2 * Copyright © 2008 Kristian Høgsberg
3 * Copyright © 2012-2013 Collabora, Ltd.
5 * Permission to use, copy, modify, distribute, and sell this software and its
6 * documentation for any purpose is hereby granted without fee, provided that
7 * the above copyright notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting documentation, and
9 * that the name of the copyright holders not be used in advertising or
10 * publicity pertaining to distribution of the software without specific,
11 * written prior permission. The copyright holders make no representations
12 * about the suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
15 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
16 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
17 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
18 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
19 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
20 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
39 #include <sys/epoll.h>
40 #include <sys/timerfd.h>
43 #include <wayland-egl.h>
45 #ifdef USE_CAIRO_GLESV2
46 #include <GLES2/gl2.h>
47 #include <GLES2/gl2ext.h>
52 #include <EGL/eglext.h>
55 #else /* HAVE_CAIRO_EGL */
56 typedef void *EGLDisplay;
57 typedef void *EGLConfig;
58 typedef void *EGLContext;
59 #define EGL_NO_DISPLAY ((EGLDisplay)0)
60 #endif /* no HAVE_CAIRO_EGL */
62 #include <xkbcommon/xkbcommon.h>
63 #include <wayland-cursor.h>
65 #include <linux/input.h>
66 #include <wayland-client.h>
67 #include "../shared/cairo-util.h"
68 #include "text-cursor-position-client-protocol.h"
69 #include "workspaces-client-protocol.h"
70 #include "../shared/os-compatibility.h"
84 struct wl_display *display;
85 struct wl_registry *registry;
86 struct wl_compositor *compositor;
87 struct wl_subcompositor *subcompositor;
88 struct wl_shell *shell;
90 struct wl_data_device_manager *data_device_manager;
91 struct text_cursor_position *text_cursor_position;
92 struct workspace_manager *workspace_manager;
94 EGLConfig argb_config;
96 cairo_device_t *argb_device;
100 uint32_t display_fd_events;
101 struct task display_task;
104 struct wl_list deferred_list;
108 struct wl_list global_list;
109 struct wl_list window_list;
110 struct wl_list input_list;
111 struct wl_list output_list;
115 struct wl_cursor_theme *cursor_theme;
116 struct wl_cursor **cursors;
118 display_output_handler_t output_configure_handler;
119 display_global_handler_t global_handler;
123 struct xkb_context *xkb_context;
126 uint32_t workspace_count;
128 /* A hack to get text extents for tooltips */
129 cairo_surface_t *dummy_surface;
130 void *dummy_surface_data;
146 struct window_output {
147 struct output *output;
153 * Prepare the surface for drawing. Makes sure there is a surface
154 * of the right size available for rendering, and returns it.
155 * dx,dy are the x,y of wl_surface.attach.
156 * width,height are the new buffer size.
157 * If flags has SURFACE_HINT_RESIZE set, the user is
158 * doing continuous resizing.
159 * Returns the Cairo surface to draw to.
161 cairo_surface_t *(*prepare)(struct toysurface *base, int dx, int dy,
162 int32_t width, int32_t height, uint32_t flags,
163 enum wl_output_transform buffer_transform, int32_t buffer_scale);
166 * Post the surface to the server, returning the server allocation
167 * rectangle. The Cairo surface from prepare() must be destroyed
168 * after calling this.
170 void (*swap)(struct toysurface *base,
171 enum wl_output_transform buffer_transform, int32_t buffer_scale,
172 struct rectangle *server_allocation);
175 * Make the toysurface current with the given EGL context.
176 * Returns 0 on success, and negative of failure.
178 int (*acquire)(struct toysurface *base, EGLContext ctx);
181 * Release the toysurface from the EGL context, returning control
184 void (*release)(struct toysurface *base);
187 * Destroy the toysurface, including the Cairo surface, any
188 * backing storage, and the Wayland protocol objects.
190 void (*destroy)(struct toysurface *base);
194 struct window *window;
196 struct wl_surface *surface;
197 struct wl_subsurface *subsurface;
199 int synchronized_default;
200 struct toysurface *toysurface;
201 struct widget *widget;
203 struct wl_callback *frame_cb;
206 struct rectangle allocation;
207 struct rectangle server_allocation;
209 struct wl_region *input_region;
210 struct wl_region *opaque_region;
212 enum window_buffer_type buffer_type;
213 enum wl_output_transform buffer_transform;
214 int32_t buffer_scale;
216 cairo_surface_t *cairo_surface;
222 struct display *display;
223 struct window *parent;
224 struct wl_list window_output_list;
226 struct rectangle saved_allocation;
227 struct rectangle min_allocation;
228 struct rectangle pending_allocation;
232 int redraw_task_scheduled;
233 struct task redraw_task;
240 int fullscreen_method;
241 int configure_requests;
243 enum preferred_format preferred_format;
245 window_key_handler_t key_handler;
246 window_keyboard_focus_handler_t keyboard_focus_handler;
247 window_data_handler_t data_handler;
248 window_drop_handler_t drop_handler;
249 window_close_handler_t close_handler;
250 window_fullscreen_handler_t fullscreen_handler;
251 window_output_handler_t output_handler;
253 struct surface *main_surface;
254 struct wl_shell_surface *shell_surface;
258 /* struct surface::link, contains also main_surface */
259 struct wl_list subsurface_list;
266 struct window *window;
267 struct surface *surface;
268 struct tooltip *tooltip;
269 struct wl_list child_list;
271 struct rectangle allocation;
272 widget_resize_handler_t resize_handler;
273 widget_redraw_handler_t redraw_handler;
274 widget_enter_handler_t enter_handler;
275 widget_leave_handler_t leave_handler;
276 widget_motion_handler_t motion_handler;
277 widget_button_handler_t button_handler;
278 widget_touch_down_handler_t touch_down_handler;
279 widget_touch_up_handler_t touch_up_handler;
280 widget_touch_motion_handler_t touch_motion_handler;
281 widget_touch_frame_handler_t touch_frame_handler;
282 widget_touch_cancel_handler_t touch_cancel_handler;
283 widget_axis_handler_t axis_handler;
292 struct widget *widget;
297 struct display *display;
298 struct wl_seat *seat;
299 struct wl_pointer *pointer;
300 struct wl_keyboard *keyboard;
301 struct wl_touch *touch;
302 struct wl_list touch_point_list;
303 struct window *pointer_focus;
304 struct window *keyboard_focus;
305 struct window *touch_focus;
307 uint32_t cursor_anim_start;
308 struct wl_callback *cursor_frame_cb;
309 struct wl_surface *pointer_surface;
311 uint32_t pointer_enter_serial;
312 uint32_t cursor_serial;
316 struct widget *focus_widget;
318 uint32_t grab_button;
320 struct wl_data_device *data_device;
321 struct data_offer *drag_offer;
322 struct data_offer *selection_offer;
325 struct xkb_keymap *keymap;
326 struct xkb_state *state;
327 xkb_mod_mask_t control_mask;
328 xkb_mod_mask_t alt_mask;
329 xkb_mod_mask_t shift_mask;
332 struct task repeat_task;
336 uint32_t repeat_time;
340 struct display *display;
341 struct wl_output *output;
342 struct rectangle allocation;
347 display_output_handler_t destroy_handler;
351 enum frame_button_action {
352 FRAME_BUTTON_NULL = 0,
353 FRAME_BUTTON_ICON = 1,
354 FRAME_BUTTON_CLOSE = 2,
355 FRAME_BUTTON_MINIMIZE = 3,
356 FRAME_BUTTON_MAXIMIZE = 4,
359 enum frame_button_pointer {
360 FRAME_BUTTON_DEFAULT = 0,
361 FRAME_BUTTON_OVER = 1,
362 FRAME_BUTTON_ACTIVE = 2,
365 enum frame_button_align {
366 FRAME_BUTTON_RIGHT = 0,
367 FRAME_BUTTON_LEFT = 1,
370 enum frame_button_decoration {
371 FRAME_BUTTON_NONE = 0,
372 FRAME_BUTTON_FANCY = 1,
375 struct frame_button {
376 struct widget *widget;
378 cairo_surface_t *icon;
379 enum frame_button_action type;
380 enum frame_button_pointer state;
381 struct wl_list link; /* buttons_list */
382 enum frame_button_align align;
383 enum frame_button_decoration decoration;
387 struct widget *widget;
388 struct widget *child;
389 struct wl_list buttons_list;
393 struct window *window;
394 struct widget *widget;
396 const char **entries;
405 struct widget *parent;
406 struct window *window;
407 struct widget *widget;
409 struct task tooltip_task;
415 struct wl_shm_pool *pool;
422 CURSOR_DEFAULT = 100,
426 enum window_location {
428 WINDOW_RESIZING_TOP = 1,
429 WINDOW_RESIZING_BOTTOM = 2,
430 WINDOW_RESIZING_LEFT = 4,
431 WINDOW_RESIZING_TOP_LEFT = 5,
432 WINDOW_RESIZING_BOTTOM_LEFT = 6,
433 WINDOW_RESIZING_RIGHT = 8,
434 WINDOW_RESIZING_TOP_RIGHT = 9,
435 WINDOW_RESIZING_BOTTOM_RIGHT = 10,
436 WINDOW_RESIZING_MASK = 15,
437 WINDOW_EXTERIOR = 16,
438 WINDOW_TITLEBAR = 17,
439 WINDOW_CLIENT_AREA = 18,
442 static const cairo_user_data_key_t shm_surface_data_key;
449 debug_print(void *proxy, int line, const char *func, const char *fmt, ...)
450 __attribute__ ((format (printf, 4, 5)));
453 debug_print(void *proxy, int line, const char *func, const char *fmt, ...)
458 gettimeofday(&tv, NULL);
459 fprintf(stderr, "%8ld.%03ld ",
460 (long)tv.tv_sec & 0xffff, (long)tv.tv_usec / 1000);
463 fprintf(stderr, "%s@%d ",
464 wl_proxy_get_class(proxy), wl_proxy_get_id(proxy));
466 /*fprintf(stderr, __FILE__ ":%d:%s ", line, func);*/
467 fprintf(stderr, "%s ", func);
470 vfprintf(stderr, fmt, ap);
474 #define DBG(fmt, ...) \
475 debug_print(NULL, __LINE__, __func__, fmt, ##__VA_ARGS__)
477 #define DBG_OBJ(obj, fmt, ...) \
478 debug_print(obj, __LINE__, __func__, fmt, ##__VA_ARGS__)
482 #define DBG(...) do {} while (0)
483 #define DBG_OBJ(...) do {} while (0)
488 surface_to_buffer_size (enum wl_output_transform buffer_transform, int32_t buffer_scale, int32_t *width, int32_t *height)
492 switch (buffer_transform) {
493 case WL_OUTPUT_TRANSFORM_90:
494 case WL_OUTPUT_TRANSFORM_270:
495 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
496 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
505 *width *= buffer_scale;
506 *height *= buffer_scale;
510 buffer_to_surface_size (enum wl_output_transform buffer_transform, int32_t buffer_scale, int32_t *width, int32_t *height)
514 switch (buffer_transform) {
515 case WL_OUTPUT_TRANSFORM_90:
516 case WL_OUTPUT_TRANSFORM_270:
517 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
518 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
527 *width /= buffer_scale;
528 *height /= buffer_scale;
531 #ifdef HAVE_CAIRO_EGL
533 struct egl_window_surface {
534 struct toysurface base;
535 cairo_surface_t *cairo_surface;
536 struct display *display;
537 struct wl_surface *surface;
538 struct wl_egl_window *egl_window;
539 EGLSurface egl_surface;
542 static struct egl_window_surface *
543 to_egl_window_surface(struct toysurface *base)
545 return container_of(base, struct egl_window_surface, base);
548 static cairo_surface_t *
549 egl_window_surface_prepare(struct toysurface *base, int dx, int dy,
550 int32_t width, int32_t height, uint32_t flags,
551 enum wl_output_transform buffer_transform, int32_t buffer_scale)
553 struct egl_window_surface *surface = to_egl_window_surface(base);
555 surface_to_buffer_size (buffer_transform, buffer_scale, &width, &height);
557 wl_egl_window_resize(surface->egl_window, width, height, dx, dy);
558 cairo_gl_surface_set_size(surface->cairo_surface, width, height);
560 return cairo_surface_reference(surface->cairo_surface);
564 egl_window_surface_swap(struct toysurface *base,
565 enum wl_output_transform buffer_transform, int32_t buffer_scale,
566 struct rectangle *server_allocation)
568 struct egl_window_surface *surface = to_egl_window_surface(base);
570 cairo_gl_surface_swapbuffers(surface->cairo_surface);
571 wl_egl_window_get_attached_size(surface->egl_window,
572 &server_allocation->width,
573 &server_allocation->height);
575 buffer_to_surface_size (buffer_transform, buffer_scale,
576 &server_allocation->width,
577 &server_allocation->height);
581 egl_window_surface_acquire(struct toysurface *base, EGLContext ctx)
583 struct egl_window_surface *surface = to_egl_window_surface(base);
584 cairo_device_t *device;
586 device = cairo_surface_get_device(surface->cairo_surface);
591 if (device == surface->display->argb_device)
592 ctx = surface->display->argb_ctx;
597 cairo_device_flush(device);
598 cairo_device_acquire(device);
599 if (!eglMakeCurrent(surface->display->dpy, surface->egl_surface,
600 surface->egl_surface, ctx))
601 fprintf(stderr, "failed to make surface current\n");
607 egl_window_surface_release(struct toysurface *base)
609 struct egl_window_surface *surface = to_egl_window_surface(base);
610 cairo_device_t *device;
612 device = cairo_surface_get_device(surface->cairo_surface);
616 if (!eglMakeCurrent(surface->display->dpy, NULL, NULL,
617 surface->display->argb_ctx))
618 fprintf(stderr, "failed to make context current\n");
620 cairo_device_release(device);
624 egl_window_surface_destroy(struct toysurface *base)
626 struct egl_window_surface *surface = to_egl_window_surface(base);
627 struct display *d = surface->display;
629 cairo_surface_destroy(surface->cairo_surface);
630 eglDestroySurface(d->dpy, surface->egl_surface);
631 wl_egl_window_destroy(surface->egl_window);
632 surface->surface = NULL;
637 static struct toysurface *
638 egl_window_surface_create(struct display *display,
639 struct wl_surface *wl_surface,
641 struct rectangle *rectangle)
643 struct egl_window_surface *surface;
645 if (display->dpy == EGL_NO_DISPLAY)
648 surface = calloc(1, sizeof *surface);
652 surface->base.prepare = egl_window_surface_prepare;
653 surface->base.swap = egl_window_surface_swap;
654 surface->base.acquire = egl_window_surface_acquire;
655 surface->base.release = egl_window_surface_release;
656 surface->base.destroy = egl_window_surface_destroy;
658 surface->display = display;
659 surface->surface = wl_surface;
661 surface->egl_window = wl_egl_window_create(surface->surface,
665 surface->egl_surface = eglCreateWindowSurface(display->dpy,
666 display->argb_config,
670 surface->cairo_surface =
671 cairo_gl_surface_create_for_egl(display->argb_device,
672 surface->egl_surface,
676 return &surface->base;
681 static struct toysurface *
682 egl_window_surface_create(struct display *display,
683 struct wl_surface *wl_surface,
685 struct rectangle *rectangle)
692 struct shm_surface_data {
693 struct wl_buffer *buffer;
694 struct shm_pool *pool;
698 display_get_buffer_for_surface(struct display *display,
699 cairo_surface_t *surface)
701 struct shm_surface_data *data;
703 data = cairo_surface_get_user_data(surface, &shm_surface_data_key);
709 shm_pool_destroy(struct shm_pool *pool);
712 shm_surface_data_destroy(void *p)
714 struct shm_surface_data *data = p;
716 wl_buffer_destroy(data->buffer);
718 shm_pool_destroy(data->pool);
723 static struct wl_shm_pool *
724 make_shm_pool(struct display *display, int size, void **data)
726 struct wl_shm_pool *pool;
729 fd = os_create_anonymous_file(size);
731 fprintf(stderr, "creating a buffer file for %d B failed: %m\n",
736 *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
737 if (*data == MAP_FAILED) {
738 fprintf(stderr, "mmap failed: %m\n");
743 pool = wl_shm_create_pool(display->shm, fd, size);
750 static struct shm_pool *
751 shm_pool_create(struct display *display, size_t size)
753 struct shm_pool *pool = malloc(sizeof *pool);
758 pool->pool = make_shm_pool(display, size, &pool->data);
771 shm_pool_allocate(struct shm_pool *pool, size_t size, int *offset)
773 if (pool->used + size > pool->size)
776 *offset = pool->used;
779 return (char *) pool->data + *offset;
782 /* destroy the pool. this does not unmap the memory though */
784 shm_pool_destroy(struct shm_pool *pool)
786 munmap(pool->data, pool->size);
787 wl_shm_pool_destroy(pool->pool);
791 /* Start allocating from the beginning of the pool again */
793 shm_pool_reset(struct shm_pool *pool)
799 data_length_for_shm_surface(struct rectangle *rect)
803 stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32,
805 return stride * rect->height;
808 static cairo_surface_t *
809 display_create_shm_surface_from_pool(struct display *display,
810 struct rectangle *rectangle,
811 uint32_t flags, struct shm_pool *pool)
813 struct shm_surface_data *data;
815 cairo_surface_t *surface;
816 cairo_format_t cairo_format;
817 int stride, length, offset;
820 data = malloc(sizeof *data);
824 if (flags & SURFACE_HINT_RGB565 && display->has_rgb565)
825 cairo_format = CAIRO_FORMAT_RGB16_565;
827 cairo_format = CAIRO_FORMAT_ARGB32;
829 stride = cairo_format_stride_for_width (cairo_format, rectangle->width);
830 length = stride * rectangle->height;
832 map = shm_pool_allocate(pool, length, &offset);
839 surface = cairo_image_surface_create_for_data (map,
845 cairo_surface_set_user_data(surface, &shm_surface_data_key,
846 data, shm_surface_data_destroy);
848 if (flags & SURFACE_HINT_RGB565 && display->has_rgb565)
849 format = WL_SHM_FORMAT_RGB565;
851 if (flags & SURFACE_OPAQUE)
852 format = WL_SHM_FORMAT_XRGB8888;
854 format = WL_SHM_FORMAT_ARGB8888;
857 data->buffer = wl_shm_pool_create_buffer(pool->pool, offset,
865 static cairo_surface_t *
866 display_create_shm_surface(struct display *display,
867 struct rectangle *rectangle, uint32_t flags,
868 struct shm_pool *alternate_pool,
869 struct shm_surface_data **data_ret)
871 struct shm_surface_data *data;
872 struct shm_pool *pool;
873 cairo_surface_t *surface;
875 if (alternate_pool) {
876 shm_pool_reset(alternate_pool);
877 surface = display_create_shm_surface_from_pool(display,
882 data = cairo_surface_get_user_data(surface,
883 &shm_surface_data_key);
888 pool = shm_pool_create(display,
889 data_length_for_shm_surface(rectangle));
894 display_create_shm_surface_from_pool(display, rectangle,
898 shm_pool_destroy(pool);
902 /* make sure we destroy the pool when the surface is destroyed */
903 data = cairo_surface_get_user_data(surface, &shm_surface_data_key);
914 check_size(struct rectangle *rect)
916 if (rect->width && rect->height)
919 fprintf(stderr, "tried to create surface of "
920 "width: %d, height: %d\n", rect->width, rect->height);
925 display_create_surface(struct display *display,
926 struct wl_surface *surface,
927 struct rectangle *rectangle,
930 if (check_size(rectangle) < 0)
933 assert(flags & SURFACE_SHM);
934 return display_create_shm_surface(display, rectangle, flags,
938 struct shm_surface_leaf {
939 cairo_surface_t *cairo_surface;
940 /* 'data' is automatically destroyed, when 'cairo_surface' is */
941 struct shm_surface_data *data;
943 struct shm_pool *resize_pool;
948 shm_surface_leaf_release(struct shm_surface_leaf *leaf)
950 if (leaf->cairo_surface)
951 cairo_surface_destroy(leaf->cairo_surface);
952 /* leaf->data already destroyed via cairo private */
954 if (leaf->resize_pool)
955 shm_pool_destroy(leaf->resize_pool);
957 memset(leaf, 0, sizeof *leaf);
963 struct toysurface base;
964 struct display *display;
965 struct wl_surface *surface;
969 struct shm_surface_leaf leaf[MAX_LEAVES];
970 struct shm_surface_leaf *current;
973 static struct shm_surface *
974 to_shm_surface(struct toysurface *base)
976 return container_of(base, struct shm_surface, base);
980 shm_surface_buffer_state_debug(struct shm_surface *surface, const char *msg)
983 struct shm_surface_leaf *leaf;
984 char bufs[MAX_LEAVES + 1];
987 for (i = 0; i < MAX_LEAVES; i++) {
988 leaf = &surface->leaf[i];
992 else if (leaf->cairo_surface)
998 bufs[MAX_LEAVES] = '\0';
999 DBG_OBJ(surface->surface, "%s, leaves [%s]\n", msg, bufs);
1004 shm_surface_buffer_release(void *data, struct wl_buffer *buffer)
1006 struct shm_surface *surface = data;
1007 struct shm_surface_leaf *leaf;
1011 shm_surface_buffer_state_debug(surface, "buffer_release before");
1013 for (i = 0; i < MAX_LEAVES; i++) {
1014 leaf = &surface->leaf[i];
1015 if (leaf->data && leaf->data->buffer == buffer) {
1020 assert(i < MAX_LEAVES && "unknown buffer released");
1022 /* Leave one free leaf with storage, release others */
1024 for (i = 0; i < MAX_LEAVES; i++) {
1025 leaf = &surface->leaf[i];
1027 if (!leaf->cairo_surface || leaf->busy)
1033 shm_surface_leaf_release(leaf);
1036 shm_surface_buffer_state_debug(surface, "buffer_release after");
1039 static const struct wl_buffer_listener shm_surface_buffer_listener = {
1040 shm_surface_buffer_release
1043 static cairo_surface_t *
1044 shm_surface_prepare(struct toysurface *base, int dx, int dy,
1045 int32_t width, int32_t height, uint32_t flags,
1046 enum wl_output_transform buffer_transform, int32_t buffer_scale)
1048 int resize_hint = !!(flags & SURFACE_HINT_RESIZE);
1049 struct shm_surface *surface = to_shm_surface(base);
1050 struct rectangle rect = { 0};
1051 struct shm_surface_leaf *leaf = NULL;
1057 /* pick a free buffer, preferrably one that already has storage */
1058 for (i = 0; i < MAX_LEAVES; i++) {
1059 if (surface->leaf[i].busy)
1062 if (!leaf || surface->leaf[i].cairo_surface)
1063 leaf = &surface->leaf[i];
1065 DBG_OBJ(surface->surface, "pick leaf %d\n",
1066 (int)(leaf - &surface->leaf[0]));
1069 fprintf(stderr, "%s: all buffers are held by the server.\n",
1075 if (!resize_hint && leaf->resize_pool) {
1076 cairo_surface_destroy(leaf->cairo_surface);
1077 leaf->cairo_surface = NULL;
1078 shm_pool_destroy(leaf->resize_pool);
1079 leaf->resize_pool = NULL;
1082 surface_to_buffer_size (buffer_transform, buffer_scale, &width, &height);
1084 if (leaf->cairo_surface &&
1085 cairo_image_surface_get_width(leaf->cairo_surface) == width &&
1086 cairo_image_surface_get_height(leaf->cairo_surface) == height)
1089 if (leaf->cairo_surface)
1090 cairo_surface_destroy(leaf->cairo_surface);
1092 #ifdef USE_RESIZE_POOL
1093 if (resize_hint && !leaf->resize_pool) {
1094 /* Create a big pool to allocate from, while continuously
1095 * resizing. Mmapping a new pool in the server
1096 * is relatively expensive, so reusing a pool performs
1097 * better, but may temporarily reserve unneeded memory.
1099 /* We should probably base this number on the output size. */
1100 leaf->resize_pool = shm_pool_create(surface->display,
1106 rect.height = height;
1108 leaf->cairo_surface =
1109 display_create_shm_surface(surface->display, &rect,
1113 wl_buffer_add_listener(leaf->data->buffer,
1114 &shm_surface_buffer_listener, surface);
1117 surface->current = leaf;
1119 return cairo_surface_reference(leaf->cairo_surface);
1123 shm_surface_swap(struct toysurface *base,
1124 enum wl_output_transform buffer_transform, int32_t buffer_scale,
1125 struct rectangle *server_allocation)
1127 struct shm_surface *surface = to_shm_surface(base);
1128 struct shm_surface_leaf *leaf = surface->current;
1130 server_allocation->width =
1131 cairo_image_surface_get_width(leaf->cairo_surface);
1132 server_allocation->height =
1133 cairo_image_surface_get_height(leaf->cairo_surface);
1135 buffer_to_surface_size (buffer_transform, buffer_scale,
1136 &server_allocation->width,
1137 &server_allocation->height);
1139 wl_surface_attach(surface->surface, leaf->data->buffer,
1140 surface->dx, surface->dy);
1141 wl_surface_damage(surface->surface, 0, 0,
1142 server_allocation->width, server_allocation->height);
1143 wl_surface_commit(surface->surface);
1145 DBG_OBJ(surface->surface, "leaf %d busy\n",
1146 (int)(leaf - &surface->leaf[0]));
1149 surface->current = NULL;
1153 shm_surface_acquire(struct toysurface *base, EGLContext ctx)
1159 shm_surface_release(struct toysurface *base)
1164 shm_surface_destroy(struct toysurface *base)
1166 struct shm_surface *surface = to_shm_surface(base);
1169 for (i = 0; i < MAX_LEAVES; i++)
1170 shm_surface_leaf_release(&surface->leaf[i]);
1175 static struct toysurface *
1176 shm_surface_create(struct display *display, struct wl_surface *wl_surface,
1177 uint32_t flags, struct rectangle *rectangle)
1179 struct shm_surface *surface;
1180 DBG_OBJ(wl_surface, "\n");
1182 surface = xmalloc(sizeof *surface);
1183 memset(surface, 0, sizeof *surface);
1188 surface->base.prepare = shm_surface_prepare;
1189 surface->base.swap = shm_surface_swap;
1190 surface->base.acquire = shm_surface_acquire;
1191 surface->base.release = shm_surface_release;
1192 surface->base.destroy = shm_surface_destroy;
1194 surface->display = display;
1195 surface->surface = wl_surface;
1196 surface->flags = flags;
1198 return &surface->base;
1202 * The following correspondences between file names and cursors was copied
1203 * from: https://bugs.kde.org/attachment.cgi?id=67313
1206 static const char *bottom_left_corners[] = {
1207 "bottom_left_corner",
1212 static const char *bottom_right_corners[] = {
1213 "bottom_right_corner",
1218 static const char *bottom_sides[] = {
1224 static const char *grabbings[] = {
1227 "208530c400c041818281048008011002"
1230 static const char *left_ptrs[] = {
1237 static const char *left_sides[] = {
1243 static const char *right_sides[] = {
1249 static const char *top_left_corners[] = {
1255 static const char *top_right_corners[] = {
1261 static const char *top_sides[] = {
1267 static const char *xterms[] = {
1273 static const char *hand1s[] = {
1277 "e29285e634086352946a0e7090d73106"
1280 static const char *watches[] = {
1283 "0426c94ea35c87780ff01dc239897213"
1286 struct cursor_alternatives {
1291 static const struct cursor_alternatives cursors[] = {
1292 {bottom_left_corners, ARRAY_LENGTH(bottom_left_corners)},
1293 {bottom_right_corners, ARRAY_LENGTH(bottom_right_corners)},
1294 {bottom_sides, ARRAY_LENGTH(bottom_sides)},
1295 {grabbings, ARRAY_LENGTH(grabbings)},
1296 {left_ptrs, ARRAY_LENGTH(left_ptrs)},
1297 {left_sides, ARRAY_LENGTH(left_sides)},
1298 {right_sides, ARRAY_LENGTH(right_sides)},
1299 {top_left_corners, ARRAY_LENGTH(top_left_corners)},
1300 {top_right_corners, ARRAY_LENGTH(top_right_corners)},
1301 {top_sides, ARRAY_LENGTH(top_sides)},
1302 {xterms, ARRAY_LENGTH(xterms)},
1303 {hand1s, ARRAY_LENGTH(hand1s)},
1304 {watches, ARRAY_LENGTH(watches)},
1308 create_cursors(struct display *display)
1310 struct weston_config *config;
1311 struct weston_config_section *s;
1315 struct wl_cursor *cursor;
1317 config = weston_config_parse("weston.ini");
1318 s = weston_config_get_section(config, "shell", NULL, NULL);
1319 weston_config_section_get_string(s, "cursor-theme", &theme, NULL);
1320 weston_config_section_get_int(s, "cursor-size", &size, 32);
1321 weston_config_destroy(config);
1323 display->cursor_theme = wl_cursor_theme_load(theme, size, display->shm);
1326 xmalloc(ARRAY_LENGTH(cursors) * sizeof display->cursors[0]);
1328 for (i = 0; i < ARRAY_LENGTH(cursors); i++) {
1330 for (j = 0; !cursor && j < cursors[i].count; ++j)
1331 cursor = wl_cursor_theme_get_cursor(
1332 display->cursor_theme, cursors[i].names[j]);
1335 fprintf(stderr, "could not load cursor '%s'\n",
1336 cursors[i].names[0]);
1338 display->cursors[i] = cursor;
1343 destroy_cursors(struct display *display)
1345 wl_cursor_theme_destroy(display->cursor_theme);
1346 free(display->cursors);
1349 struct wl_cursor_image *
1350 display_get_pointer_image(struct display *display, int pointer)
1352 struct wl_cursor *cursor = display->cursors[pointer];
1354 return cursor ? cursor->images[0] : NULL;
1358 surface_flush(struct surface *surface)
1360 if (!surface->cairo_surface)
1363 if (surface->opaque_region) {
1364 wl_surface_set_opaque_region(surface->surface,
1365 surface->opaque_region);
1366 wl_region_destroy(surface->opaque_region);
1367 surface->opaque_region = NULL;
1370 if (surface->input_region) {
1371 wl_surface_set_input_region(surface->surface,
1372 surface->input_region);
1373 wl_region_destroy(surface->input_region);
1374 surface->input_region = NULL;
1377 surface->toysurface->swap(surface->toysurface,
1378 surface->buffer_transform, surface->buffer_scale,
1379 &surface->server_allocation);
1381 cairo_surface_destroy(surface->cairo_surface);
1382 surface->cairo_surface = NULL;
1386 window_has_focus(struct window *window)
1388 return window->focus_count > 0;
1392 window_flush(struct window *window)
1394 struct surface *surface;
1396 if (window->type == TYPE_NONE) {
1397 window->type = TYPE_TOPLEVEL;
1398 if (window->shell_surface)
1399 wl_shell_surface_set_toplevel(window->shell_surface);
1402 wl_list_for_each(surface, &window->subsurface_list, link) {
1403 if (surface == window->main_surface)
1406 surface_flush(surface);
1409 surface_flush(window->main_surface);
1413 window_get_display(struct window *window)
1415 return window->display;
1419 surface_create_surface(struct surface *surface, int dx, int dy, uint32_t flags)
1421 struct display *display = surface->window->display;
1422 struct rectangle allocation = surface->allocation;
1424 if (!surface->toysurface && display->dpy &&
1425 surface->buffer_type == WINDOW_BUFFER_TYPE_EGL_WINDOW) {
1426 surface->toysurface =
1427 egl_window_surface_create(display,
1433 if (!surface->toysurface)
1434 surface->toysurface = shm_surface_create(display,
1436 flags, &allocation);
1438 surface->cairo_surface = surface->toysurface->prepare(
1439 surface->toysurface, dx, dy,
1440 allocation.width, allocation.height, flags,
1441 surface->buffer_transform, surface->buffer_scale);
1445 window_create_main_surface(struct window *window)
1447 struct surface *surface = window->main_surface;
1452 if (window->resizing)
1453 flags |= SURFACE_HINT_RESIZE;
1455 if (window->preferred_format == WINDOW_PREFERRED_FORMAT_RGB565)
1456 flags |= SURFACE_HINT_RGB565;
1458 if (window->resize_edges & WINDOW_RESIZING_LEFT)
1459 dx = surface->server_allocation.width -
1460 surface->allocation.width;
1462 if (window->resize_edges & WINDOW_RESIZING_TOP)
1463 dy = surface->server_allocation.height -
1464 surface->allocation.height;
1466 window->resize_edges = 0;
1468 surface_create_surface(surface, dx, dy, flags);
1472 window_get_buffer_transform(struct window *window)
1474 return window->main_surface->buffer_transform;
1478 window_set_buffer_transform(struct window *window,
1479 enum wl_output_transform transform)
1481 window->main_surface->buffer_transform = transform;
1482 wl_surface_set_buffer_transform(window->main_surface->surface,
1487 window_set_buffer_scale(struct window *window,
1490 window->main_surface->buffer_scale = scale;
1491 wl_surface_set_buffer_scale(window->main_surface->surface,
1496 window_get_buffer_scale(struct window *window)
1498 return window->main_surface->buffer_scale;
1502 window_get_output_scale(struct window *window)
1504 struct window_output *window_output;
1505 struct window_output *window_output_tmp;
1508 wl_list_for_each_safe(window_output, window_output_tmp,
1509 &window->window_output_list, link) {
1510 if (window_output->output->scale > scale)
1511 scale = window_output->output->scale;
1517 static void frame_destroy(struct frame *frame);
1520 surface_destroy(struct surface *surface)
1522 if (surface->frame_cb)
1523 wl_callback_destroy(surface->frame_cb);
1525 if (surface->input_region)
1526 wl_region_destroy(surface->input_region);
1528 if (surface->opaque_region)
1529 wl_region_destroy(surface->opaque_region);
1531 if (surface->subsurface)
1532 wl_subsurface_destroy(surface->subsurface);
1534 wl_surface_destroy(surface->surface);
1536 if (surface->toysurface)
1537 surface->toysurface->destroy(surface->toysurface);
1539 wl_list_remove(&surface->link);
1544 window_destroy(struct window *window)
1546 struct display *display = window->display;
1547 struct input *input;
1548 struct window_output *window_output;
1549 struct window_output *window_output_tmp;
1551 wl_list_remove(&window->redraw_task.link);
1553 wl_list_for_each(input, &display->input_list, link) {
1554 if (input->touch_focus == window)
1555 input->touch_focus = NULL;
1556 if (input->pointer_focus == window)
1557 input->pointer_focus = NULL;
1558 if (input->keyboard_focus == window)
1559 input->keyboard_focus = NULL;
1560 if (input->focus_widget &&
1561 input->focus_widget->window == window)
1562 input->focus_widget = NULL;
1565 wl_list_for_each_safe(window_output, window_output_tmp,
1566 &window->window_output_list, link) {
1567 free (window_output);
1571 frame_destroy(window->frame);
1573 if (window->shell_surface)
1574 wl_shell_surface_destroy(window->shell_surface);
1576 surface_destroy(window->main_surface);
1578 wl_list_remove(&window->link);
1580 free(window->title);
1584 static struct widget *
1585 widget_find_widget(struct widget *widget, int32_t x, int32_t y)
1587 struct widget *child, *target;
1589 wl_list_for_each(child, &widget->child_list, link) {
1590 target = widget_find_widget(child, x, y);
1595 if (widget->allocation.x <= x &&
1596 x < widget->allocation.x + widget->allocation.width &&
1597 widget->allocation.y <= y &&
1598 y < widget->allocation.y + widget->allocation.height) {
1605 static struct widget *
1606 window_find_widget(struct window *window, int32_t x, int32_t y)
1608 struct surface *surface;
1609 struct widget *widget;
1611 wl_list_for_each(surface, &window->subsurface_list, link) {
1612 widget = widget_find_widget(surface->widget, x, y);
1620 static struct widget *
1621 widget_create(struct window *window, struct surface *surface, void *data)
1623 struct widget *widget;
1625 widget = xzalloc(sizeof *widget);
1626 widget->window = window;
1627 widget->surface = surface;
1628 widget->user_data = data;
1629 widget->allocation = surface->allocation;
1630 wl_list_init(&widget->child_list);
1632 widget->tooltip = NULL;
1633 widget->tooltip_count = 0;
1634 widget->default_cursor = CURSOR_LEFT_PTR;
1640 window_add_widget(struct window *window, void *data)
1642 struct widget *widget;
1644 widget = widget_create(window, window->main_surface, data);
1645 wl_list_init(&widget->link);
1646 window->main_surface->widget = widget;
1652 widget_add_widget(struct widget *parent, void *data)
1654 struct widget *widget;
1656 widget = widget_create(parent->window, parent->surface, data);
1657 wl_list_insert(parent->child_list.prev, &widget->link);
1663 widget_destroy(struct widget *widget)
1665 struct display *display = widget->window->display;
1666 struct surface *surface = widget->surface;
1667 struct input *input;
1669 /* Destroy the sub-surface along with the root widget */
1670 if (surface->widget == widget && surface->subsurface)
1671 surface_destroy(widget->surface);
1673 if (widget->tooltip) {
1674 free(widget->tooltip);
1675 widget->tooltip = NULL;
1678 wl_list_for_each(input, &display->input_list, link) {
1679 if (input->focus_widget == widget)
1680 input->focus_widget = NULL;
1683 wl_list_remove(&widget->link);
1688 widget_set_default_cursor(struct widget *widget, int cursor)
1690 widget->default_cursor = cursor;
1694 widget_get_allocation(struct widget *widget, struct rectangle *allocation)
1696 *allocation = widget->allocation;
1700 widget_set_size(struct widget *widget, int32_t width, int32_t height)
1702 widget->allocation.width = width;
1703 widget->allocation.height = height;
1707 widget_set_allocation(struct widget *widget,
1708 int32_t x, int32_t y, int32_t width, int32_t height)
1710 widget->allocation.x = x;
1711 widget->allocation.y = y;
1712 widget_set_size(widget, width, height);
1716 widget_set_transparent(struct widget *widget, int transparent)
1718 widget->opaque = !transparent;
1722 widget_get_user_data(struct widget *widget)
1724 return widget->user_data;
1727 static cairo_surface_t *
1728 widget_get_cairo_surface(struct widget *widget)
1730 struct surface *surface = widget->surface;
1731 struct window *window = widget->window;
1733 if (!surface->cairo_surface) {
1734 if (surface == window->main_surface)
1735 window_create_main_surface(window);
1737 surface_create_surface(surface, 0, 0, 0);
1740 return surface->cairo_surface;
1744 widget_cairo_update_transform(struct widget *widget, cairo_t *cr)
1746 struct surface *surface = widget->surface;
1749 enum wl_output_transform transform;
1750 int surface_width, surface_height;
1751 int translate_x, translate_y;
1754 surface_width = surface->allocation.width;
1755 surface_height = surface->allocation.height;
1757 transform = surface->buffer_transform;
1758 scale = surface->buffer_scale;
1760 switch (transform) {
1761 case WL_OUTPUT_TRANSFORM_FLIPPED:
1762 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
1763 case WL_OUTPUT_TRANSFORM_FLIPPED_180:
1764 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
1765 cairo_matrix_init(&m, -1, 0, 0, 1, 0, 0);
1768 cairo_matrix_init_identity(&m);
1772 switch (transform) {
1773 case WL_OUTPUT_TRANSFORM_NORMAL:
1779 case WL_OUTPUT_TRANSFORM_FLIPPED:
1781 translate_x = surface_width;
1784 case WL_OUTPUT_TRANSFORM_90:
1786 translate_x = surface_height;
1789 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
1791 translate_x = surface_height;
1792 translate_y = surface_width;
1794 case WL_OUTPUT_TRANSFORM_180:
1796 translate_x = surface_width;
1797 translate_y = surface_height;
1799 case WL_OUTPUT_TRANSFORM_FLIPPED_180:
1802 translate_y = surface_height;
1804 case WL_OUTPUT_TRANSFORM_270:
1805 angle = M_PI + M_PI_2;
1807 translate_y = surface_width;
1809 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
1810 angle = M_PI + M_PI_2;
1816 cairo_scale(cr, scale, scale);
1817 cairo_translate(cr, translate_x, translate_y);
1818 cairo_rotate(cr, angle);
1819 cairo_transform(cr, &m);
1823 widget_cairo_create(struct widget *widget)
1825 struct surface *surface = widget->surface;
1826 cairo_surface_t *cairo_surface;
1829 cairo_surface = widget_get_cairo_surface(widget);
1830 cr = cairo_create(cairo_surface);
1832 widget_cairo_update_transform(widget, cr);
1834 cairo_translate(cr, -surface->allocation.x, -surface->allocation.y);
1840 widget_get_wl_surface(struct widget *widget)
1842 return widget->surface->surface;
1846 widget_get_last_time(struct widget *widget)
1848 return widget->surface->last_time;
1852 widget_input_region_add(struct widget *widget, const struct rectangle *rect)
1854 struct wl_compositor *comp = widget->window->display->compositor;
1855 struct surface *surface = widget->surface;
1857 if (!surface->input_region)
1858 surface->input_region = wl_compositor_create_region(comp);
1861 wl_region_add(surface->input_region,
1862 rect->x, rect->y, rect->width, rect->height);
1867 widget_set_resize_handler(struct widget *widget,
1868 widget_resize_handler_t handler)
1870 widget->resize_handler = handler;
1874 widget_set_redraw_handler(struct widget *widget,
1875 widget_redraw_handler_t handler)
1877 widget->redraw_handler = handler;
1881 widget_set_enter_handler(struct widget *widget, widget_enter_handler_t handler)
1883 widget->enter_handler = handler;
1887 widget_set_leave_handler(struct widget *widget, widget_leave_handler_t handler)
1889 widget->leave_handler = handler;
1893 widget_set_motion_handler(struct widget *widget,
1894 widget_motion_handler_t handler)
1896 widget->motion_handler = handler;
1900 widget_set_button_handler(struct widget *widget,
1901 widget_button_handler_t handler)
1903 widget->button_handler = handler;
1907 widget_set_touch_up_handler(struct widget *widget,
1908 widget_touch_up_handler_t handler)
1910 widget->touch_up_handler = handler;
1914 widget_set_touch_down_handler(struct widget *widget,
1915 widget_touch_down_handler_t handler)
1917 widget->touch_down_handler = handler;
1921 widget_set_touch_motion_handler(struct widget *widget,
1922 widget_touch_motion_handler_t handler)
1924 widget->touch_motion_handler = handler;
1928 widget_set_touch_frame_handler(struct widget *widget,
1929 widget_touch_frame_handler_t handler)
1931 widget->touch_frame_handler = handler;
1935 widget_set_touch_cancel_handler(struct widget *widget,
1936 widget_touch_cancel_handler_t handler)
1938 widget->touch_cancel_handler = handler;
1942 widget_set_axis_handler(struct widget *widget,
1943 widget_axis_handler_t handler)
1945 widget->axis_handler = handler;
1949 window_schedule_redraw_task(struct window *window);
1952 widget_schedule_redraw(struct widget *widget)
1954 DBG_OBJ(widget->surface->surface, "widget %p\n", widget);
1955 widget->surface->redraw_needed = 1;
1956 window_schedule_redraw_task(widget->window);
1960 window_get_surface(struct window *window)
1962 cairo_surface_t *cairo_surface;
1964 cairo_surface = widget_get_cairo_surface(window->main_surface->widget);
1966 return cairo_surface_reference(cairo_surface);
1970 window_get_wl_surface(struct window *window)
1972 return window->main_surface->surface;
1975 struct wl_shell_surface *
1976 window_get_wl_shell_surface(struct window *window)
1978 return window->shell_surface;
1982 tooltip_redraw_handler(struct widget *widget, void *data)
1985 const int32_t r = 3;
1986 struct tooltip *tooltip = data;
1987 int32_t width, height;
1989 cr = widget_cairo_create(widget);
1990 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
1991 cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0);
1994 width = widget->allocation.width;
1995 height = widget->allocation.height;
1996 rounded_rect(cr, 0, 0, width, height, r);
1998 cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
1999 cairo_set_source_rgba(cr, 0.0, 0.0, 0.4, 0.8);
2002 cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
2003 cairo_move_to(cr, 10, 16);
2004 cairo_show_text(cr, tooltip->entry);
2008 static cairo_text_extents_t
2009 get_text_extents(struct tooltip *tooltip)
2012 cairo_text_extents_t extents;
2014 /* Use the dummy_surface because tooltip's surface was not
2015 * created yet, and parent does not have a valid surface
2016 * outside repaint, either.
2018 cr = cairo_create(tooltip->window->display->dummy_surface);
2019 cairo_text_extents(cr, tooltip->entry, &extents);
2026 window_create_tooltip(struct tooltip *tooltip)
2028 struct widget *parent = tooltip->parent;
2029 struct display *display = parent->window->display;
2030 struct window *window;
2031 const int offset_y = 27;
2032 const int margin = 3;
2033 cairo_text_extents_t extents;
2035 if (tooltip->widget)
2038 window = window_create_transient(display, parent->window, tooltip->x,
2039 tooltip->y + offset_y,
2040 WL_SHELL_SURFACE_TRANSIENT_INACTIVE);
2044 tooltip->window = window;
2045 tooltip->widget = window_add_widget(tooltip->window, tooltip);
2047 extents = get_text_extents(tooltip);
2048 widget_set_redraw_handler(tooltip->widget, tooltip_redraw_handler);
2049 window_schedule_resize(window, extents.width + 20, 20 + margin * 2);
2055 widget_destroy_tooltip(struct widget *parent)
2057 struct tooltip *tooltip = parent->tooltip;
2059 parent->tooltip_count = 0;
2063 if (tooltip->widget) {
2064 widget_destroy(tooltip->widget);
2065 window_destroy(tooltip->window);
2066 tooltip->widget = NULL;
2067 tooltip->window = NULL;
2070 close(tooltip->tooltip_fd);
2071 free(tooltip->entry);
2073 parent->tooltip = NULL;
2077 tooltip_func(struct task *task, uint32_t events)
2079 struct tooltip *tooltip =
2080 container_of(task, struct tooltip, tooltip_task);
2083 if (read(tooltip->tooltip_fd, &exp, sizeof (uint64_t)) != sizeof (uint64_t))
2085 window_create_tooltip(tooltip);
2088 #define TOOLTIP_TIMEOUT 500
2090 tooltip_timer_reset(struct tooltip *tooltip)
2092 struct itimerspec its;
2094 its.it_interval.tv_sec = 0;
2095 its.it_interval.tv_nsec = 0;
2096 its.it_value.tv_sec = TOOLTIP_TIMEOUT / 1000;
2097 its.it_value.tv_nsec = (TOOLTIP_TIMEOUT % 1000) * 1000 * 1000;
2098 if (timerfd_settime(tooltip->tooltip_fd, 0, &its, NULL) < 0) {
2099 fprintf(stderr, "could not set timerfd\n: %m");
2107 widget_set_tooltip(struct widget *parent, char *entry, float x, float y)
2109 struct tooltip *tooltip = parent->tooltip;
2111 parent->tooltip_count++;
2115 tooltip_timer_reset(tooltip);
2119 /* the handler might be triggered too fast via input device motion, so
2120 * we need this check here to make sure tooltip is fully initialized */
2121 if (parent->tooltip_count > 1)
2124 tooltip = malloc(sizeof *tooltip);
2128 parent->tooltip = tooltip;
2129 tooltip->parent = parent;
2130 tooltip->widget = NULL;
2131 tooltip->window = NULL;
2134 tooltip->entry = strdup(entry);
2135 tooltip->tooltip_fd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
2136 if (tooltip->tooltip_fd < 0) {
2137 fprintf(stderr, "could not create timerfd\n: %m");
2141 tooltip->tooltip_task.run = tooltip_func;
2142 display_watch_fd(parent->window->display, tooltip->tooltip_fd,
2143 EPOLLIN, &tooltip->tooltip_task);
2144 tooltip_timer_reset(tooltip);
2150 workspace_manager_state(void *data,
2151 struct workspace_manager *workspace_manager,
2155 struct display *display = data;
2157 display->workspace = current;
2158 display->workspace_count = count;
2161 static const struct workspace_manager_listener workspace_manager_listener = {
2162 workspace_manager_state
2166 frame_resize_handler(struct widget *widget,
2167 int32_t width, int32_t height, void *data)
2169 struct frame *frame = data;
2170 struct widget *child = frame->child;
2171 struct rectangle allocation;
2172 struct display *display = widget->window->display;
2173 struct surface *surface = widget->surface;
2174 struct frame_button * button;
2175 struct theme *t = display->theme;
2176 int x_l, x_r, y, w, h;
2177 int decoration_width, decoration_height;
2178 int opaque_margin, shadow_margin;
2180 switch (widget->window->type) {
2181 case TYPE_FULLSCREEN:
2182 decoration_width = 0;
2183 decoration_height = 0;
2187 allocation.width = width;
2188 allocation.height = height;
2191 wl_list_for_each(button, &frame->buttons_list, link)
2192 button->widget->opaque = 1;
2194 case TYPE_MAXIMIZED:
2195 decoration_width = t->width * 2;
2196 decoration_height = t->width + t->titlebar_height;
2198 allocation.x = t->width;
2199 allocation.y = t->titlebar_height;
2200 allocation.width = width - decoration_width;
2201 allocation.height = height - decoration_height;
2205 wl_list_for_each(button, &frame->buttons_list, link)
2206 button->widget->opaque = 0;
2209 decoration_width = (t->width + t->margin) * 2;
2210 decoration_height = t->width +
2211 t->titlebar_height + t->margin * 2;
2213 allocation.x = t->width + t->margin;
2214 allocation.y = t->titlebar_height + t->margin;
2215 allocation.width = width - decoration_width;
2216 allocation.height = height - decoration_height;
2218 opaque_margin = t->margin + t->frame_radius;
2220 wl_list_for_each(button, &frame->buttons_list, link)
2221 button->widget->opaque = 0;
2225 widget_set_allocation(child, allocation.x, allocation.y,
2226 allocation.width, allocation.height);
2228 if (child->resize_handler)
2229 child->resize_handler(child,
2234 width = child->allocation.width + decoration_width;
2235 height = child->allocation.height + decoration_height;
2237 shadow_margin = widget->window->type == TYPE_MAXIMIZED ? 0 : t->margin;
2239 surface->input_region =
2240 wl_compositor_create_region(display->compositor);
2241 if (widget->window->type != TYPE_FULLSCREEN) {
2242 wl_region_add(surface->input_region,
2243 shadow_margin, shadow_margin,
2244 width - 2 * shadow_margin,
2245 height - 2 * shadow_margin);
2247 wl_region_add(surface->input_region, 0, 0, width, height);
2250 widget_set_allocation(widget, 0, 0, width, height);
2253 wl_region_add(surface->opaque_region,
2254 opaque_margin, opaque_margin,
2255 widget->allocation.width - 2 * opaque_margin,
2256 widget->allocation.height - 2 * opaque_margin);
2258 /* frame internal buttons */
2259 x_r = frame->widget->allocation.width - t->width - shadow_margin;
2260 x_l = t->width + shadow_margin;
2261 y = t->width + shadow_margin;
2262 wl_list_for_each(button, &frame->buttons_list, link) {
2263 const int button_padding = 4;
2264 w = cairo_image_surface_get_width(button->icon);
2265 h = cairo_image_surface_get_height(button->icon);
2267 if (button->decoration == FRAME_BUTTON_FANCY)
2270 if (button->align == FRAME_BUTTON_LEFT) {
2271 widget_set_allocation(button->widget,
2272 x_l, y , w + 1, h + 1);
2274 x_l += button_padding;
2277 widget_set_allocation(button->widget,
2278 x_r, y , w + 1, h + 1);
2279 x_r -= button_padding;
2285 frame_button_enter_handler(struct widget *widget,
2286 struct input *input, float x, float y, void *data)
2288 struct frame_button *frame_button = data;
2290 widget_schedule_redraw(frame_button->widget);
2291 frame_button->state = FRAME_BUTTON_OVER;
2293 return CURSOR_LEFT_PTR;
2297 frame_button_leave_handler(struct widget *widget, struct input *input, void *data)
2299 struct frame_button *frame_button = data;
2301 widget_schedule_redraw(frame_button->widget);
2302 frame_button->state = FRAME_BUTTON_DEFAULT;
2306 frame_button_button_handler(struct widget *widget,
2307 struct input *input, uint32_t time,
2309 enum wl_pointer_button_state state, void *data)
2311 struct frame_button *frame_button = data;
2312 struct window *window = widget->window;
2313 int was_pressed = (frame_button->state == FRAME_BUTTON_ACTIVE);
2315 if (button != BTN_LEFT)
2319 case WL_POINTER_BUTTON_STATE_PRESSED:
2320 frame_button->state = FRAME_BUTTON_ACTIVE;
2321 widget_schedule_redraw(frame_button->widget);
2323 if (frame_button->type == FRAME_BUTTON_ICON)
2324 window_show_frame_menu(window, input, time);
2326 case WL_POINTER_BUTTON_STATE_RELEASED:
2327 frame_button->state = FRAME_BUTTON_DEFAULT;
2328 widget_schedule_redraw(frame_button->widget);
2335 switch (frame_button->type) {
2336 case FRAME_BUTTON_CLOSE:
2337 if (window->close_handler)
2338 window->close_handler(window->parent,
2341 display_exit(window->display);
2343 case FRAME_BUTTON_MINIMIZE:
2344 fprintf(stderr,"Minimize stub\n");
2346 case FRAME_BUTTON_MAXIMIZE:
2347 window_set_maximized(window, window->type != TYPE_MAXIMIZED);
2350 /* Unknown operation */
2356 frame_button_touch_down_handler(struct widget *widget, struct input *input,
2357 uint32_t serial, uint32_t time, int32_t id,
2358 float x, float y, void *data)
2360 struct frame_button *frame_button = data;
2361 struct window *window = widget->window;
2363 switch (frame_button->type) {
2364 case FRAME_BUTTON_CLOSE:
2365 if (window->close_handler)
2366 window->close_handler(window->parent,
2369 display_exit(window->display);
2371 case FRAME_BUTTON_MINIMIZE:
2372 fprintf(stderr,"Minimize stub\n");
2374 case FRAME_BUTTON_MAXIMIZE:
2375 window_set_maximized(window, window->type != TYPE_MAXIMIZED);
2378 /* Unknown operation */
2385 frame_button_motion_handler(struct widget *widget,
2386 struct input *input, uint32_t time,
2387 float x, float y, void *data)
2389 struct frame_button *frame_button = data;
2390 enum frame_button_pointer previous_button_state = frame_button->state;
2392 /* only track state for a pressed button */
2393 if (input->grab != widget)
2394 return CURSOR_LEFT_PTR;
2396 if (x > widget->allocation.x &&
2397 x < (widget->allocation.x + widget->allocation.width) &&
2398 y > widget->allocation.y &&
2399 y < (widget->allocation.y + widget->allocation.height)) {
2400 frame_button->state = FRAME_BUTTON_ACTIVE;
2402 frame_button->state = FRAME_BUTTON_DEFAULT;
2405 if (frame_button->state != previous_button_state)
2406 widget_schedule_redraw(frame_button->widget);
2408 return CURSOR_LEFT_PTR;
2412 frame_button_redraw_handler(struct widget *widget, void *data)
2414 struct frame_button *frame_button = data;
2416 int width, height, x, y;
2418 x = widget->allocation.x;
2419 y = widget->allocation.y;
2420 width = widget->allocation.width;
2421 height = widget->allocation.height;
2430 cr = widget_cairo_create(widget);
2432 if (frame_button->decoration == FRAME_BUTTON_FANCY) {
2433 cairo_set_line_width(cr, 1);
2435 cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
2436 cairo_rectangle (cr, x, y, 25, 16);
2438 cairo_stroke_preserve(cr);
2440 switch (frame_button->state) {
2441 case FRAME_BUTTON_DEFAULT:
2442 cairo_set_source_rgb(cr, 0.88, 0.88, 0.88);
2444 case FRAME_BUTTON_OVER:
2445 cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
2447 case FRAME_BUTTON_ACTIVE:
2448 cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
2457 cairo_set_source_surface(cr, frame_button->icon, x, y);
2463 static struct widget *
2464 frame_button_create(struct frame *frame, void *data, enum frame_button_action type,
2465 enum frame_button_align align, enum frame_button_decoration style)
2467 struct frame_button *frame_button;
2468 const char *icon = data;
2470 frame_button = xzalloc (sizeof *frame_button);
2471 frame_button->icon = cairo_image_surface_create_from_png(icon);
2472 frame_button->widget = widget_add_widget(frame->widget, frame_button);
2473 frame_button->frame = frame;
2474 frame_button->type = type;
2475 frame_button->align = align;
2476 frame_button->decoration = style;
2478 wl_list_insert(frame->buttons_list.prev, &frame_button->link);
2480 widget_set_redraw_handler(frame_button->widget, frame_button_redraw_handler);
2481 widget_set_enter_handler(frame_button->widget, frame_button_enter_handler);
2482 widget_set_leave_handler(frame_button->widget, frame_button_leave_handler);
2483 widget_set_touch_down_handler(frame_button->widget, frame_button_touch_down_handler);
2484 widget_set_button_handler(frame_button->widget, frame_button_button_handler);
2485 widget_set_motion_handler(frame_button->widget, frame_button_motion_handler);
2486 return frame_button->widget;
2490 frame_button_destroy(struct frame_button *frame_button)
2492 widget_destroy(frame_button->widget);
2493 wl_list_remove(&frame_button->link);
2494 cairo_surface_destroy(frame_button->icon);
2501 frame_redraw_handler(struct widget *widget, void *data)
2504 struct window *window = widget->window;
2505 struct theme *t = window->display->theme;
2508 if (window->type == TYPE_FULLSCREEN)
2511 cr = widget_cairo_create(widget);
2513 if (window->focus_count)
2514 flags |= THEME_FRAME_ACTIVE;
2515 if (window->type == TYPE_MAXIMIZED)
2516 flags |= THEME_FRAME_MAXIMIZED;
2517 theme_render_frame(t, cr, widget->allocation.width,
2518 widget->allocation.height, window->title, flags);
2524 frame_get_pointer_image_for_location(struct frame *frame, struct input *input)
2526 struct theme *t = frame->widget->window->display->theme;
2527 struct window *window = frame->widget->window;
2530 if (window->type != TYPE_TOPLEVEL)
2531 return CURSOR_LEFT_PTR;
2533 location = theme_get_location(t, input->sx, input->sy,
2534 frame->widget->allocation.width,
2535 frame->widget->allocation.height,
2536 window->type == TYPE_MAXIMIZED ?
2537 THEME_FRAME_MAXIMIZED : 0);
2540 case THEME_LOCATION_RESIZING_TOP:
2542 case THEME_LOCATION_RESIZING_BOTTOM:
2543 return CURSOR_BOTTOM;
2544 case THEME_LOCATION_RESIZING_LEFT:
2546 case THEME_LOCATION_RESIZING_RIGHT:
2547 return CURSOR_RIGHT;
2548 case THEME_LOCATION_RESIZING_TOP_LEFT:
2549 return CURSOR_TOP_LEFT;
2550 case THEME_LOCATION_RESIZING_TOP_RIGHT:
2551 return CURSOR_TOP_RIGHT;
2552 case THEME_LOCATION_RESIZING_BOTTOM_LEFT:
2553 return CURSOR_BOTTOM_LEFT;
2554 case THEME_LOCATION_RESIZING_BOTTOM_RIGHT:
2555 return CURSOR_BOTTOM_RIGHT;
2556 case THEME_LOCATION_EXTERIOR:
2557 case THEME_LOCATION_TITLEBAR:
2559 return CURSOR_LEFT_PTR;
2564 frame_menu_func(struct window *window, int index, void *data)
2566 struct display *display;
2570 if (window->close_handler)
2571 window->close_handler(window->parent,
2574 display_exit(window->display);
2576 case 1: /* move to workspace above */
2577 display = window->display;
2578 if (display->workspace > 0)
2579 workspace_manager_move_surface(
2580 display->workspace_manager,
2581 window->main_surface->surface,
2582 display->workspace - 1);
2584 case 2: /* move to workspace below */
2585 display = window->display;
2586 if (display->workspace < display->workspace_count - 1)
2587 workspace_manager_move_surface(
2588 display->workspace_manager,
2589 window->main_surface->surface,
2590 display->workspace + 1);
2592 case 3: /* fullscreen */
2593 /* we don't have a way to get out of fullscreen for now */
2594 if (window->fullscreen_handler)
2595 window->fullscreen_handler(window, window->user_data);
2601 window_show_frame_menu(struct window *window,
2602 struct input *input, uint32_t time)
2607 static const char *entries[] = {
2609 "Move to workspace above", "Move to workspace below",
2613 if (window->fullscreen_handler)
2614 count = ARRAY_LENGTH(entries);
2616 count = ARRAY_LENGTH(entries) - 1;
2618 input_get_position(input, &x, &y);
2619 window_show_menu(window->display, input, time, window,
2620 x - 10, y - 10, frame_menu_func, entries, count);
2624 frame_enter_handler(struct widget *widget,
2625 struct input *input, float x, float y, void *data)
2627 return frame_get_pointer_image_for_location(data, input);
2631 frame_motion_handler(struct widget *widget,
2632 struct input *input, uint32_t time,
2633 float x, float y, void *data)
2635 return frame_get_pointer_image_for_location(data, input);
2639 frame_button_handler(struct widget *widget,
2640 struct input *input, uint32_t time,
2641 uint32_t button, enum wl_pointer_button_state state,
2645 struct frame *frame = data;
2646 struct window *window = widget->window;
2647 struct display *display = window->display;
2650 if (state != WL_POINTER_BUTTON_STATE_PRESSED)
2653 location = theme_get_location(display->theme, input->sx, input->sy,
2654 frame->widget->allocation.width,
2655 frame->widget->allocation.height,
2656 window->type == TYPE_MAXIMIZED ?
2657 THEME_FRAME_MAXIMIZED : 0);
2659 if (window->display->shell && button == BTN_LEFT &&
2660 window->type == TYPE_TOPLEVEL) {
2662 case THEME_LOCATION_TITLEBAR:
2663 if (!window->shell_surface)
2665 input_ungrab(input);
2666 wl_shell_surface_move(window->shell_surface,
2667 input_get_seat(input),
2670 case THEME_LOCATION_RESIZING_TOP:
2671 case THEME_LOCATION_RESIZING_BOTTOM:
2672 case THEME_LOCATION_RESIZING_LEFT:
2673 case THEME_LOCATION_RESIZING_RIGHT:
2674 case THEME_LOCATION_RESIZING_TOP_LEFT:
2675 case THEME_LOCATION_RESIZING_TOP_RIGHT:
2676 case THEME_LOCATION_RESIZING_BOTTOM_LEFT:
2677 case THEME_LOCATION_RESIZING_BOTTOM_RIGHT:
2678 if (!window->shell_surface)
2680 input_ungrab(input);
2682 window->resizing = 1;
2683 wl_shell_surface_resize(window->shell_surface,
2684 input_get_seat(input),
2685 display->serial, location);
2688 } else if (button == BTN_RIGHT &&
2689 (window->type == TYPE_TOPLEVEL ||
2690 window->type == TYPE_MAXIMIZED)) {
2691 window_show_frame_menu(window, input, time);
2696 frame_touch_down_handler(struct widget *widget, struct input *input,
2697 uint32_t serial, uint32_t time, int32_t id,
2698 float x, float y, void *data)
2700 struct window *window = widget->window;
2701 struct display *display = window->display;
2703 wl_shell_surface_move(window->shell_surface,
2704 input_get_seat(input),
2709 frame_create(struct window *window, void *data)
2711 struct frame *frame;
2713 frame = xzalloc(sizeof *frame);
2714 frame->widget = window_add_widget(window, frame);
2715 frame->child = widget_add_widget(frame->widget, data);
2717 widget_set_redraw_handler(frame->widget, frame_redraw_handler);
2718 widget_set_resize_handler(frame->widget, frame_resize_handler);
2719 widget_set_enter_handler(frame->widget, frame_enter_handler);
2720 widget_set_motion_handler(frame->widget, frame_motion_handler);
2721 widget_set_button_handler(frame->widget, frame_button_handler);
2722 widget_set_touch_down_handler(frame->widget, frame_touch_down_handler);
2724 /* Create empty list for frame buttons */
2725 wl_list_init(&frame->buttons_list);
2727 frame_button_create(frame, DATADIR "/weston/icon_window.png",
2728 FRAME_BUTTON_ICON, FRAME_BUTTON_LEFT, FRAME_BUTTON_NONE);
2730 frame_button_create(frame, DATADIR "/weston/sign_close.png",
2731 FRAME_BUTTON_CLOSE, FRAME_BUTTON_RIGHT, FRAME_BUTTON_FANCY);
2733 frame_button_create(frame, DATADIR "/weston/sign_maximize.png",
2734 FRAME_BUTTON_MAXIMIZE, FRAME_BUTTON_RIGHT, FRAME_BUTTON_FANCY);
2736 frame_button_create(frame, DATADIR "/weston/sign_minimize.png",
2737 FRAME_BUTTON_MINIMIZE, FRAME_BUTTON_RIGHT, FRAME_BUTTON_FANCY);
2739 window->frame = frame;
2741 return frame->child;
2745 frame_set_child_size(struct widget *widget, int child_width, int child_height)
2747 struct display *display = widget->window->display;
2748 struct theme *t = display->theme;
2749 int decoration_width, decoration_height;
2751 int margin = widget->window->type == TYPE_MAXIMIZED ? 0 : t->margin;
2753 if (widget->window->type != TYPE_FULLSCREEN) {
2754 decoration_width = (t->width + margin) * 2;
2755 decoration_height = t->width +
2756 t->titlebar_height + margin * 2;
2758 width = child_width + decoration_width;
2759 height = child_height + decoration_height;
2761 width = child_width;
2762 height = child_height;
2765 window_schedule_resize(widget->window, width, height);
2769 frame_destroy(struct frame *frame)
2771 struct frame_button *button, *tmp;
2773 wl_list_for_each_safe(button, tmp, &frame->buttons_list, link)
2774 frame_button_destroy(button);
2776 /* frame->child must be destroyed by the application */
2777 widget_destroy(frame->widget);
2782 input_set_focus_widget(struct input *input, struct widget *focus,
2785 struct widget *old, *widget;
2788 if (focus == input->focus_widget)
2791 old = input->focus_widget;
2795 widget = input->grab;
2796 if (widget->leave_handler)
2797 widget->leave_handler(old, input, widget->user_data);
2798 input->focus_widget = NULL;
2804 widget = input->grab;
2805 input->focus_widget = focus;
2806 if (widget->enter_handler)
2807 cursor = widget->enter_handler(focus, input, x, y,
2810 cursor = widget->default_cursor;
2812 input_set_pointer_image(input, cursor);
2817 input_grab(struct input *input, struct widget *widget, uint32_t button)
2819 input->grab = widget;
2820 input->grab_button = button;
2824 input_ungrab(struct input *input)
2826 struct widget *widget;
2829 if (input->pointer_focus) {
2830 widget = window_find_widget(input->pointer_focus,
2831 input->sx, input->sy);
2832 input_set_focus_widget(input, widget, input->sx, input->sy);
2837 input_remove_pointer_focus(struct input *input)
2839 struct window *window = input->pointer_focus;
2844 input_set_focus_widget(input, NULL, 0, 0);
2846 input->pointer_focus = NULL;
2847 input->current_cursor = CURSOR_UNSET;
2851 pointer_handle_enter(void *data, struct wl_pointer *pointer,
2852 uint32_t serial, struct wl_surface *surface,
2853 wl_fixed_t sx_w, wl_fixed_t sy_w)
2855 struct input *input = data;
2856 struct window *window;
2857 struct widget *widget;
2858 float sx = wl_fixed_to_double(sx_w);
2859 float sy = wl_fixed_to_double(sy_w);
2862 /* enter event for a window we've just destroyed */
2866 input->display->serial = serial;
2867 input->pointer_enter_serial = serial;
2868 input->pointer_focus = wl_surface_get_user_data(surface);
2869 window = input->pointer_focus;
2871 if (window->resizing) {
2872 window->resizing = 0;
2873 /* Schedule a redraw to free the pool */
2874 window_schedule_redraw(window);
2880 widget = window_find_widget(window, sx, sy);
2881 input_set_focus_widget(input, widget, sx, sy);
2885 pointer_handle_leave(void *data, struct wl_pointer *pointer,
2886 uint32_t serial, struct wl_surface *surface)
2888 struct input *input = data;
2890 input->display->serial = serial;
2891 input_remove_pointer_focus(input);
2895 pointer_handle_motion(void *data, struct wl_pointer *pointer,
2896 uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w)
2898 struct input *input = data;
2899 struct window *window = input->pointer_focus;
2900 struct widget *widget;
2902 float sx = wl_fixed_to_double(sx_w);
2903 float sy = wl_fixed_to_double(sy_w);
2911 /* when making the window smaller - e.g. after a unmaximise we might
2912 * still have a pending motion event that the compositor has picked
2913 * based on the old surface dimensions
2915 if (sx > window->main_surface->allocation.width ||
2916 sy > window->main_surface->allocation.height)
2919 if (!(input->grab && input->grab_button)) {
2920 widget = window_find_widget(window, sx, sy);
2921 input_set_focus_widget(input, widget, sx, sy);
2925 widget = input->grab;
2927 widget = input->focus_widget;
2929 if (widget->motion_handler)
2930 cursor = widget->motion_handler(input->focus_widget,
2931 input, time, sx, sy,
2934 cursor = widget->default_cursor;
2936 cursor = CURSOR_LEFT_PTR;
2938 input_set_pointer_image(input, cursor);
2942 pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
2943 uint32_t time, uint32_t button, uint32_t state_w)
2945 struct input *input = data;
2946 struct widget *widget;
2947 enum wl_pointer_button_state state = state_w;
2949 input->display->serial = serial;
2950 if (input->focus_widget && input->grab == NULL &&
2951 state == WL_POINTER_BUTTON_STATE_PRESSED)
2952 input_grab(input, input->focus_widget, button);
2954 widget = input->grab;
2955 if (widget && widget->button_handler)
2956 (*widget->button_handler)(widget,
2959 input->grab->user_data);
2961 if (input->grab && input->grab_button == button &&
2962 state == WL_POINTER_BUTTON_STATE_RELEASED)
2963 input_ungrab(input);
2967 pointer_handle_axis(void *data, struct wl_pointer *pointer,
2968 uint32_t time, uint32_t axis, wl_fixed_t value)
2970 struct input *input = data;
2971 struct widget *widget;
2973 widget = input->focus_widget;
2975 widget = input->grab;
2976 if (widget && widget->axis_handler)
2977 (*widget->axis_handler)(widget,
2983 static const struct wl_pointer_listener pointer_listener = {
2984 pointer_handle_enter,
2985 pointer_handle_leave,
2986 pointer_handle_motion,
2987 pointer_handle_button,
2988 pointer_handle_axis,
2992 input_remove_keyboard_focus(struct input *input)
2994 struct window *window = input->keyboard_focus;
2995 struct itimerspec its;
2997 its.it_interval.tv_sec = 0;
2998 its.it_interval.tv_nsec = 0;
2999 its.it_value.tv_sec = 0;
3000 its.it_value.tv_nsec = 0;
3001 timerfd_settime(input->repeat_timer_fd, 0, &its, NULL);
3006 window->focus_count--;
3007 if (window->keyboard_focus_handler)
3008 (*window->keyboard_focus_handler)(window, NULL,
3011 input->keyboard_focus = NULL;
3015 keyboard_repeat_func(struct task *task, uint32_t events)
3017 struct input *input =
3018 container_of(task, struct input, repeat_task);
3019 struct window *window = input->keyboard_focus;
3022 if (read(input->repeat_timer_fd, &exp, sizeof exp) != sizeof exp)
3023 /* If we change the timer between the fd becoming
3024 * readable and getting here, there'll be nothing to
3025 * read and we get EAGAIN. */
3028 if (window && window->key_handler) {
3029 (*window->key_handler)(window, input, input->repeat_time,
3030 input->repeat_key, input->repeat_sym,
3031 WL_KEYBOARD_KEY_STATE_PRESSED,
3037 keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
3038 uint32_t format, int fd, uint32_t size)
3040 struct input *input = data;
3048 if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
3053 map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
3054 if (map_str == MAP_FAILED) {
3059 input->xkb.keymap = xkb_map_new_from_string(input->display->xkb_context,
3061 XKB_KEYMAP_FORMAT_TEXT_V1,
3063 munmap(map_str, size);
3066 if (!input->xkb.keymap) {
3067 fprintf(stderr, "failed to compile keymap\n");
3071 input->xkb.state = xkb_state_new(input->xkb.keymap);
3072 if (!input->xkb.state) {
3073 fprintf(stderr, "failed to create XKB state\n");
3074 xkb_map_unref(input->xkb.keymap);
3075 input->xkb.keymap = NULL;
3079 input->xkb.control_mask =
3080 1 << xkb_map_mod_get_index(input->xkb.keymap, "Control");
3081 input->xkb.alt_mask =
3082 1 << xkb_map_mod_get_index(input->xkb.keymap, "Mod1");
3083 input->xkb.shift_mask =
3084 1 << xkb_map_mod_get_index(input->xkb.keymap, "Shift");
3088 keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
3089 uint32_t serial, struct wl_surface *surface,
3090 struct wl_array *keys)
3092 struct input *input = data;
3093 struct window *window;
3095 input->display->serial = serial;
3096 input->keyboard_focus = wl_surface_get_user_data(surface);
3098 window = input->keyboard_focus;
3099 window->focus_count++;
3100 if (window->keyboard_focus_handler)
3101 (*window->keyboard_focus_handler)(window,
3102 input, window->user_data);
3106 keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
3107 uint32_t serial, struct wl_surface *surface)
3109 struct input *input = data;
3111 input->display->serial = serial;
3112 input_remove_keyboard_focus(input);
3116 keyboard_handle_key(void *data, struct wl_keyboard *keyboard,
3117 uint32_t serial, uint32_t time, uint32_t key,
3120 struct input *input = data;
3121 struct window *window = input->keyboard_focus;
3122 uint32_t code, num_syms;
3123 enum wl_keyboard_key_state state = state_w;
3124 const xkb_keysym_t *syms;
3126 struct itimerspec its;
3128 input->display->serial = serial;
3130 if (!window || !input->xkb.state)
3133 num_syms = xkb_key_get_syms(input->xkb.state, code, &syms);
3135 sym = XKB_KEY_NoSymbol;
3139 if (sym == XKB_KEY_F5 && input->modifiers == MOD_ALT_MASK) {
3140 if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
3141 window_set_maximized(window,
3142 window->type != TYPE_MAXIMIZED);
3143 } else if (sym == XKB_KEY_F11 &&
3144 window->fullscreen_handler &&
3145 state == WL_KEYBOARD_KEY_STATE_PRESSED) {
3146 window->fullscreen_handler(window, window->user_data);
3147 } else if (sym == XKB_KEY_F4 &&
3148 input->modifiers == MOD_ALT_MASK &&
3149 state == WL_KEYBOARD_KEY_STATE_PRESSED) {
3150 if (window->close_handler)
3151 window->close_handler(window->parent,
3154 display_exit(window->display);
3155 } else if (window->key_handler) {
3156 (*window->key_handler)(window, input, time, key,
3157 sym, state, window->user_data);
3160 if (state == WL_KEYBOARD_KEY_STATE_RELEASED &&
3161 key == input->repeat_key) {
3162 its.it_interval.tv_sec = 0;
3163 its.it_interval.tv_nsec = 0;
3164 its.it_value.tv_sec = 0;
3165 its.it_value.tv_nsec = 0;
3166 timerfd_settime(input->repeat_timer_fd, 0, &its, NULL);
3167 } else if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
3168 input->repeat_sym = sym;
3169 input->repeat_key = key;
3170 input->repeat_time = time;
3171 its.it_interval.tv_sec = 0;
3172 its.it_interval.tv_nsec = 25 * 1000 * 1000;
3173 its.it_value.tv_sec = 0;
3174 its.it_value.tv_nsec = 400 * 1000 * 1000;
3175 timerfd_settime(input->repeat_timer_fd, 0, &its, NULL);
3180 keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
3181 uint32_t serial, uint32_t mods_depressed,
3182 uint32_t mods_latched, uint32_t mods_locked,
3185 struct input *input = data;
3186 xkb_mod_mask_t mask;
3188 /* If we're not using a keymap, then we don't handle PC-style modifiers */
3189 if (!input->xkb.keymap)
3192 xkb_state_update_mask(input->xkb.state, mods_depressed, mods_latched,
3193 mods_locked, 0, 0, group);
3194 mask = xkb_state_serialize_mods(input->xkb.state,
3195 XKB_STATE_DEPRESSED |
3197 input->modifiers = 0;
3198 if (mask & input->xkb.control_mask)
3199 input->modifiers |= MOD_CONTROL_MASK;
3200 if (mask & input->xkb.alt_mask)
3201 input->modifiers |= MOD_ALT_MASK;
3202 if (mask & input->xkb.shift_mask)
3203 input->modifiers |= MOD_SHIFT_MASK;
3206 static const struct wl_keyboard_listener keyboard_listener = {
3207 keyboard_handle_keymap,
3208 keyboard_handle_enter,
3209 keyboard_handle_leave,
3210 keyboard_handle_key,
3211 keyboard_handle_modifiers,
3215 touch_handle_down(void *data, struct wl_touch *wl_touch,
3216 uint32_t serial, uint32_t time, struct wl_surface *surface,
3217 int32_t id, wl_fixed_t x_w, wl_fixed_t y_w)
3219 struct input *input = data;
3220 struct widget *widget;
3221 float sx = wl_fixed_to_double(x_w);
3222 float sy = wl_fixed_to_double(y_w);
3224 input->display->serial = serial;
3225 input->touch_focus = wl_surface_get_user_data(surface);
3226 if (!input->touch_focus) {
3227 DBG("Failed to find to touch focus for surface %p\n", surface);
3231 widget = window_find_widget(input->touch_focus,
3232 wl_fixed_to_double(x_w),
3233 wl_fixed_to_double(y_w));
3235 struct touch_point *tp = xmalloc(sizeof *tp);
3238 tp->widget = widget;
3239 wl_list_insert(&input->touch_point_list, &tp->link);
3241 if (widget->touch_down_handler)
3242 (*widget->touch_down_handler)(widget, input,
3251 touch_handle_up(void *data, struct wl_touch *wl_touch,
3252 uint32_t serial, uint32_t time, int32_t id)
3254 struct input *input = data;
3255 struct touch_point *tp, *tmp;
3257 if (!input->touch_focus) {
3258 DBG("No touch focus found for touch up event!\n");
3262 wl_list_for_each_safe(tp, tmp, &input->touch_point_list, link) {
3266 if (tp->widget->touch_up_handler)
3267 (*tp->widget->touch_up_handler)(tp->widget, input, serial,
3269 tp->widget->user_data);
3271 wl_list_remove(&tp->link);
3279 touch_handle_motion(void *data, struct wl_touch *wl_touch,
3280 uint32_t time, int32_t id, wl_fixed_t x_w, wl_fixed_t y_w)
3282 struct input *input = data;
3283 struct touch_point *tp;
3284 float sx = wl_fixed_to_double(x_w);
3285 float sy = wl_fixed_to_double(y_w);
3287 DBG("touch_handle_motion: %i %i\n", id, wl_list_length(&input->touch_point_list));
3289 if (!input->touch_focus) {
3290 DBG("No touch focus found for touch motion event!\n");
3294 wl_list_for_each(tp, &input->touch_point_list, link) {
3298 if (tp->widget->touch_motion_handler)
3299 (*tp->widget->touch_motion_handler)(tp->widget, input, time,
3301 tp->widget->user_data);
3307 touch_handle_frame(void *data, struct wl_touch *wl_touch)
3309 struct input *input = data;
3310 struct touch_point *tp, *tmp;
3312 DBG("touch_handle_frame\n");
3314 if (!input->touch_focus) {
3315 DBG("No touch focus found for touch frame event!\n");
3319 wl_list_for_each_safe(tp, tmp, &input->touch_point_list, link) {
3320 if (tp->widget->touch_frame_handler)
3321 (*tp->widget->touch_frame_handler)(tp->widget, input,
3322 tp->widget->user_data);
3324 wl_list_remove(&tp->link);
3330 touch_handle_cancel(void *data, struct wl_touch *wl_touch)
3332 struct input *input = data;
3333 struct touch_point *tp, *tmp;
3335 DBG("touch_handle_cancel\n");
3337 if (!input->touch_focus) {
3338 DBG("No touch focus found for touch cancel event!\n");
3342 wl_list_for_each_safe(tp, tmp, &input->touch_point_list, link) {
3343 if (tp->widget->touch_cancel_handler)
3344 (*tp->widget->touch_cancel_handler)(tp->widget, input,
3345 tp->widget->user_data);
3347 wl_list_remove(&tp->link);
3352 static const struct wl_touch_listener touch_listener = {
3355 touch_handle_motion,
3357 touch_handle_cancel,
3361 seat_handle_capabilities(void *data, struct wl_seat *seat,
3362 enum wl_seat_capability caps)
3364 struct input *input = data;
3366 if ((caps & WL_SEAT_CAPABILITY_POINTER) && !input->pointer) {
3367 input->pointer = wl_seat_get_pointer(seat);
3368 wl_pointer_set_user_data(input->pointer, input);
3369 wl_pointer_add_listener(input->pointer, &pointer_listener,
3371 } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && input->pointer) {
3372 wl_pointer_destroy(input->pointer);
3373 input->pointer = NULL;
3376 if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->keyboard) {
3377 input->keyboard = wl_seat_get_keyboard(seat);
3378 wl_keyboard_set_user_data(input->keyboard, input);
3379 wl_keyboard_add_listener(input->keyboard, &keyboard_listener,
3381 } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard) {
3382 wl_keyboard_destroy(input->keyboard);
3383 input->keyboard = NULL;
3386 if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !input->touch) {
3387 input->touch = wl_seat_get_touch(seat);
3388 wl_touch_set_user_data(input->touch, input);
3389 wl_touch_add_listener(input->touch, &touch_listener, input);
3390 } else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && input->touch) {
3391 wl_touch_destroy(input->touch);
3392 input->touch = NULL;
3397 seat_handle_name(void *data, struct wl_seat *seat,
3403 static const struct wl_seat_listener seat_listener = {
3404 seat_handle_capabilities,
3409 input_get_position(struct input *input, int32_t *x, int32_t *y)
3416 input_get_display(struct input *input)
3418 return input->display;
3422 input_get_seat(struct input *input)
3428 input_get_modifiers(struct input *input)
3430 return input->modifiers;
3434 input_get_focus_widget(struct input *input)
3436 return input->focus_widget;
3440 struct wl_data_offer *offer;
3441 struct input *input;
3442 struct wl_array types;
3445 struct task io_task;
3453 data_offer_offer(void *data, struct wl_data_offer *wl_data_offer, const char *type)
3455 struct data_offer *offer = data;
3458 p = wl_array_add(&offer->types, sizeof *p);
3462 static const struct wl_data_offer_listener data_offer_listener = {
3467 data_offer_destroy(struct data_offer *offer)
3472 if (offer->refcount == 0) {
3473 wl_data_offer_destroy(offer->offer);
3474 for (p = offer->types.data; *p; p++)
3476 wl_array_release(&offer->types);
3482 data_device_data_offer(void *data,
3483 struct wl_data_device *data_device,
3484 struct wl_data_offer *_offer)
3486 struct data_offer *offer;
3488 offer = xmalloc(sizeof *offer);
3490 wl_array_init(&offer->types);
3491 offer->refcount = 1;
3492 offer->input = data;
3493 offer->offer = _offer;
3494 wl_data_offer_add_listener(offer->offer,
3495 &data_offer_listener, offer);
3499 data_device_enter(void *data, struct wl_data_device *data_device,
3500 uint32_t serial, struct wl_surface *surface,
3501 wl_fixed_t x_w, wl_fixed_t y_w,
3502 struct wl_data_offer *offer)
3504 struct input *input = data;
3505 struct window *window;
3507 float x = wl_fixed_to_double(x_w);
3508 float y = wl_fixed_to_double(y_w);
3511 input->pointer_enter_serial = serial;
3512 window = wl_surface_get_user_data(surface);
3513 input->pointer_focus = window;
3516 input->drag_offer = wl_data_offer_get_user_data(offer);
3518 p = wl_array_add(&input->drag_offer->types, sizeof *p);
3521 types_data = input->drag_offer->types.data;
3523 input->drag_offer = NULL;
3527 window = input->pointer_focus;
3528 if (window->data_handler)
3529 window->data_handler(window, input, x, y, types_data,
3534 data_device_leave(void *data, struct wl_data_device *data_device)
3536 struct input *input = data;
3538 if (input->drag_offer) {
3539 data_offer_destroy(input->drag_offer);
3540 input->drag_offer = NULL;
3545 data_device_motion(void *data, struct wl_data_device *data_device,
3546 uint32_t time, wl_fixed_t x_w, wl_fixed_t y_w)
3548 struct input *input = data;
3549 struct window *window = input->pointer_focus;
3550 float x = wl_fixed_to_double(x_w);
3551 float y = wl_fixed_to_double(y_w);
3557 if (input->drag_offer)
3558 types_data = input->drag_offer->types.data;
3562 if (window->data_handler)
3563 window->data_handler(window, input, x, y, types_data,
3568 data_device_drop(void *data, struct wl_data_device *data_device)
3570 struct input *input = data;
3571 struct window *window = input->pointer_focus;
3573 if (window->drop_handler)
3574 window->drop_handler(window, input,
3575 input->sx, input->sy, window->user_data);
3579 data_device_selection(void *data,
3580 struct wl_data_device *wl_data_device,
3581 struct wl_data_offer *offer)
3583 struct input *input = data;
3586 if (input->selection_offer)
3587 data_offer_destroy(input->selection_offer);
3590 input->selection_offer = wl_data_offer_get_user_data(offer);
3591 p = wl_array_add(&input->selection_offer->types, sizeof *p);
3594 input->selection_offer = NULL;
3598 static const struct wl_data_device_listener data_device_listener = {
3599 data_device_data_offer,
3604 data_device_selection
3608 input_set_pointer_image_index(struct input *input, int index)
3610 struct wl_buffer *buffer;
3611 struct wl_cursor *cursor;
3612 struct wl_cursor_image *image;
3614 if (!input->pointer)
3617 cursor = input->display->cursors[input->current_cursor];
3621 if (index >= (int) cursor->image_count) {
3622 fprintf(stderr, "cursor index out of range\n");
3626 image = cursor->images[index];
3627 buffer = wl_cursor_image_get_buffer(image);
3631 wl_pointer_set_cursor(input->pointer, input->pointer_enter_serial,
3632 input->pointer_surface,
3633 image->hotspot_x, image->hotspot_y);
3634 wl_surface_attach(input->pointer_surface, buffer, 0, 0);
3635 wl_surface_damage(input->pointer_surface, 0, 0,
3636 image->width, image->height);
3637 wl_surface_commit(input->pointer_surface);
3640 static const struct wl_callback_listener pointer_surface_listener;
3643 pointer_surface_frame_callback(void *data, struct wl_callback *callback,
3646 struct input *input = data;
3647 struct wl_cursor *cursor;
3651 assert(callback == input->cursor_frame_cb);
3652 wl_callback_destroy(callback);
3653 input->cursor_frame_cb = NULL;
3656 if (!input->pointer)
3659 if (input->current_cursor == CURSOR_BLANK) {
3660 wl_pointer_set_cursor(input->pointer,
3661 input->pointer_enter_serial,
3666 if (input->current_cursor == CURSOR_UNSET)
3668 cursor = input->display->cursors[input->current_cursor];
3672 /* FIXME We don't have the current time on the first call so we set
3673 * the animation start to the time of the first frame callback. */
3675 input->cursor_anim_start = 0;
3676 else if (input->cursor_anim_start == 0)
3677 input->cursor_anim_start = time;
3679 if (time == 0 || input->cursor_anim_start == 0)
3682 i = wl_cursor_frame(cursor, time - input->cursor_anim_start);
3684 if (cursor->image_count > 1) {
3685 input->cursor_frame_cb =
3686 wl_surface_frame(input->pointer_surface);
3687 wl_callback_add_listener(input->cursor_frame_cb,
3688 &pointer_surface_listener, input);
3691 input_set_pointer_image_index(input, i);
3694 static const struct wl_callback_listener pointer_surface_listener = {
3695 pointer_surface_frame_callback
3699 input_set_pointer_image(struct input *input, int pointer)
3703 if (!input->pointer)
3706 if (input->pointer_enter_serial > input->cursor_serial)
3709 if (!force && pointer == input->current_cursor)
3712 input->current_cursor = pointer;
3713 input->cursor_serial = input->pointer_enter_serial;
3714 if (!input->cursor_frame_cb)
3715 pointer_surface_frame_callback(input, NULL, 0);
3717 /* The current frame callback may be stuck if, for instance,
3718 * the set cursor request was processed by the server after
3719 * this client lost the focus. In this case the cursor surface
3720 * might not be mapped and the frame callback wouldn't ever
3721 * complete. Send a set_cursor and attach to try to map the
3722 * cursor surface again so that the callback will finish */
3723 input_set_pointer_image_index(input, 0);
3727 struct wl_data_device *
3728 input_get_data_device(struct input *input)
3730 return input->data_device;
3734 input_set_selection(struct input *input,
3735 struct wl_data_source *source, uint32_t time)
3737 wl_data_device_set_selection(input->data_device, source, time);
3741 input_accept(struct input *input, const char *type)
3743 wl_data_offer_accept(input->drag_offer->offer,
3744 input->pointer_enter_serial, type);
3748 offer_io_func(struct task *task, uint32_t events)
3750 struct data_offer *offer =
3751 container_of(task, struct data_offer, io_task);
3755 len = read(offer->fd, buffer, sizeof buffer);
3756 offer->func(buffer, len,
3757 offer->x, offer->y, offer->user_data);
3761 data_offer_destroy(offer);
3766 data_offer_receive_data(struct data_offer *offer, const char *mime_type,
3767 data_func_t func, void *user_data)
3771 if (pipe2(p, O_CLOEXEC) == -1)
3774 wl_data_offer_receive(offer->offer, mime_type, p[1]);
3777 offer->io_task.run = offer_io_func;
3781 offer->user_data = user_data;
3783 display_watch_fd(offer->input->display,
3784 offer->fd, EPOLLIN, &offer->io_task);
3788 input_receive_drag_data(struct input *input, const char *mime_type,
3789 data_func_t func, void *data)
3791 data_offer_receive_data(input->drag_offer, mime_type, func, data);
3792 input->drag_offer->x = input->sx;
3793 input->drag_offer->y = input->sy;
3797 input_receive_drag_data_to_fd(struct input *input,
3798 const char *mime_type, int fd)
3800 if (input->drag_offer)
3801 wl_data_offer_receive(input->drag_offer->offer, mime_type, fd);
3807 input_receive_selection_data(struct input *input, const char *mime_type,
3808 data_func_t func, void *data)
3812 if (input->selection_offer == NULL)
3815 for (p = input->selection_offer->types.data; *p; p++)
3816 if (strcmp(mime_type, *p) == 0)
3822 data_offer_receive_data(input->selection_offer,
3823 mime_type, func, data);
3828 input_receive_selection_data_to_fd(struct input *input,
3829 const char *mime_type, int fd)
3831 if (input->selection_offer)
3832 wl_data_offer_receive(input->selection_offer->offer,
3839 window_move(struct window *window, struct input *input, uint32_t serial)
3841 if (!window->shell_surface)
3844 wl_shell_surface_move(window->shell_surface, input->seat, serial);
3848 window_touch_move(struct window *window, struct input *input, uint32_t serial)
3850 if (!window->shell_surface)
3853 wl_shell_surface_move(window->shell_surface, input->seat,
3854 window->display->serial);
3858 surface_set_synchronized(struct surface *surface)
3860 if (!surface->subsurface)
3863 if (surface->synchronized)
3866 wl_subsurface_set_sync(surface->subsurface);
3867 surface->synchronized = 1;
3871 surface_set_synchronized_default(struct surface *surface)
3873 if (!surface->subsurface)
3876 if (surface->synchronized == surface->synchronized_default)
3879 if (surface->synchronized_default)
3880 wl_subsurface_set_sync(surface->subsurface);
3882 wl_subsurface_set_desync(surface->subsurface);
3884 surface->synchronized = surface->synchronized_default;
3888 surface_resize(struct surface *surface)
3890 struct widget *widget = surface->widget;
3891 struct wl_compositor *compositor = widget->window->display->compositor;
3893 if (surface->input_region) {
3894 wl_region_destroy(surface->input_region);
3895 surface->input_region = NULL;
3898 if (surface->opaque_region)
3899 wl_region_destroy(surface->opaque_region);
3901 surface->opaque_region = wl_compositor_create_region(compositor);
3903 if (widget->resize_handler)
3904 widget->resize_handler(widget,
3905 widget->allocation.width,
3906 widget->allocation.height,
3909 if (surface->subsurface &&
3910 (surface->allocation.x != widget->allocation.x ||
3911 surface->allocation.y != widget->allocation.y)) {
3912 wl_subsurface_set_position(surface->subsurface,
3913 widget->allocation.x,
3914 widget->allocation.y);
3916 if (surface->allocation.width != widget->allocation.width ||
3917 surface->allocation.height != widget->allocation.height) {
3918 window_schedule_redraw(widget->window);
3920 surface->allocation = widget->allocation;
3923 wl_region_add(surface->opaque_region, 0, 0,
3924 widget->allocation.width,
3925 widget->allocation.height);
3929 hack_prevent_EGL_sub_surface_deadlock(struct window *window)
3932 * This hack should be removed, when EGL respects
3933 * eglSwapInterval(0).
3935 * If this window has sub-surfaces, especially a free-running
3936 * EGL-widget, we need to post the parent surface once with
3937 * all the old state to guarantee, that the EGL-widget will
3938 * receive its frame callback soon. Otherwise, a forced call
3939 * to eglSwapBuffers may end up blocking, waiting for a frame
3940 * event that will never come, because we will commit the parent
3941 * surface with all new state only after eglSwapBuffers returns.
3943 * This assumes, that:
3944 * 1. When the EGL widget's resize hook is called, it pauses.
3945 * 2. When the EGL widget's redraw hook is called, it forces a
3946 * repaint and a call to eglSwapBuffers(), and maybe resumes.
3947 * In a single threaded application condition 1 is a no-op.
3949 * XXX: This should actually be after the surface_resize() calls,
3950 * but cannot, because then it would commit the incomplete state
3951 * accumulated from the widget resize hooks.
3953 if (window->subsurface_list.next != &window->main_surface->link ||
3954 window->subsurface_list.prev != &window->main_surface->link)
3955 wl_surface_commit(window->main_surface->surface);
3959 idle_resize(struct window *window)
3961 struct surface *surface;
3963 window->resize_needed = 0;
3964 window->redraw_needed = 1;
3966 DBG("from %dx%d to %dx%d\n",
3967 window->main_surface->server_allocation.width,
3968 window->main_surface->server_allocation.height,
3969 window->pending_allocation.width,
3970 window->pending_allocation.height);
3972 hack_prevent_EGL_sub_surface_deadlock(window);
3974 widget_set_allocation(window->main_surface->widget,
3975 window->pending_allocation.x,
3976 window->pending_allocation.y,
3977 window->pending_allocation.width,
3978 window->pending_allocation.height);
3980 surface_resize(window->main_surface);
3982 /* The main surface is in the list, too. Main surface's
3983 * resize_handler is responsible for calling widget_set_allocation()
3984 * on all sub-surface root widgets, so they will be resized
3987 wl_list_for_each(surface, &window->subsurface_list, link) {
3988 if (surface == window->main_surface)
3991 surface_set_synchronized(surface);
3992 surface_resize(surface);
3997 window_schedule_resize(struct window *window, int width, int height)
3999 window->pending_allocation.x = 0;
4000 window->pending_allocation.y = 0;
4001 window->pending_allocation.width = width;
4002 window->pending_allocation.height = height;
4004 if (window->min_allocation.width == 0)
4005 window->min_allocation = window->pending_allocation;
4006 if (window->pending_allocation.width < window->min_allocation.width)
4007 window->pending_allocation.width = window->min_allocation.width;
4008 if (window->pending_allocation.height < window->min_allocation.height)
4009 window->pending_allocation.height = window->min_allocation.height;
4011 window->resize_needed = 1;
4012 window_schedule_redraw(window);
4016 widget_schedule_resize(struct widget *widget, int32_t width, int32_t height)
4018 window_schedule_resize(widget->window, width, height);
4022 handle_ping(void *data, struct wl_shell_surface *shell_surface,
4025 wl_shell_surface_pong(shell_surface, serial);
4029 handle_configure(void *data, struct wl_shell_surface *shell_surface,
4030 uint32_t edges, int32_t width, int32_t height)
4032 struct window *window = data;
4034 window->resize_edges = edges;
4035 window_schedule_resize(window, width, height);
4039 menu_destroy(struct menu *menu)
4041 widget_destroy(menu->widget);
4042 window_destroy(menu->window);
4047 handle_popup_done(void *data, struct wl_shell_surface *shell_surface)
4049 struct window *window = data;
4050 struct menu *menu = window->main_surface->widget->user_data;
4052 /* FIXME: Need more context in this event, at least the input
4053 * device. Or just use wl_callback. And this really needs to
4054 * be a window vfunc that the menu can set. And we need the
4057 input_ungrab(menu->input);
4061 static const struct wl_shell_surface_listener shell_surface_listener = {
4068 window_get_allocation(struct window *window,
4069 struct rectangle *allocation)
4071 *allocation = window->main_surface->allocation;
4075 widget_redraw(struct widget *widget)
4077 struct widget *child;
4079 if (widget->redraw_handler)
4080 widget->redraw_handler(widget, widget->user_data);
4081 wl_list_for_each(child, &widget->child_list, link)
4082 widget_redraw(child);
4086 frame_callback(void *data, struct wl_callback *callback, uint32_t time)
4088 struct surface *surface = data;
4090 assert(callback == surface->frame_cb);
4091 DBG_OBJ(callback, "done\n");
4092 wl_callback_destroy(callback);
4093 surface->frame_cb = NULL;
4095 surface->last_time = time;
4097 if (surface->redraw_needed || surface->window->redraw_needed) {
4098 DBG_OBJ(surface->surface, "window_schedule_redraw_task\n");
4099 window_schedule_redraw_task(surface->window);
4103 static const struct wl_callback_listener listener = {
4108 surface_redraw(struct surface *surface)
4110 DBG_OBJ(surface->surface, "begin\n");
4112 if (!surface->window->redraw_needed && !surface->redraw_needed)
4115 /* Whole-window redraw forces a redraw even if the previous has
4116 * not yet hit the screen.
4118 if (surface->frame_cb) {
4119 if (!surface->window->redraw_needed)
4122 DBG_OBJ(surface->frame_cb, "cancelled\n");
4123 wl_callback_destroy(surface->frame_cb);
4126 surface->frame_cb = wl_surface_frame(surface->surface);
4127 wl_callback_add_listener(surface->frame_cb, &listener, surface);
4128 DBG_OBJ(surface->frame_cb, "new\n");
4130 surface->redraw_needed = 0;
4131 DBG_OBJ(surface->surface, "-> widget_redraw\n");
4132 widget_redraw(surface->widget);
4133 DBG_OBJ(surface->surface, "done\n");
4137 idle_redraw(struct task *task, uint32_t events)
4139 struct window *window = container_of(task, struct window, redraw_task);
4140 struct surface *surface;
4142 DBG(" --------- \n");
4144 wl_list_init(&window->redraw_task.link);
4145 window->redraw_task_scheduled = 0;
4147 if (window->resize_needed) {
4148 /* throttle resizing to the main surface display */
4149 if (window->main_surface->frame_cb) {
4150 DBG_OBJ(window->main_surface->frame_cb, "pending\n");
4154 idle_resize(window);
4157 wl_list_for_each(surface, &window->subsurface_list, link)
4158 surface_redraw(surface);
4160 window->redraw_needed = 0;
4161 window_flush(window);
4163 wl_list_for_each(surface, &window->subsurface_list, link)
4164 surface_set_synchronized_default(surface);
4168 window_schedule_redraw_task(struct window *window)
4170 if (window->configure_requests)
4172 if (!window->redraw_task_scheduled) {
4173 window->redraw_task.run = idle_redraw;
4174 display_defer(window->display, &window->redraw_task);
4175 window->redraw_task_scheduled = 1;
4180 window_schedule_redraw(struct window *window)
4182 struct surface *surface;
4184 DBG_OBJ(window->main_surface->surface, "window %p\n", window);
4186 wl_list_for_each(surface, &window->subsurface_list, link)
4187 surface->redraw_needed = 1;
4189 window_schedule_redraw_task(window);
4193 window_is_fullscreen(struct window *window)
4195 return window->type == TYPE_FULLSCREEN;
4199 configure_request_completed(void *data, struct wl_callback *callback, uint32_t time)
4201 struct window *window = data;
4203 wl_callback_destroy(callback);
4204 window->configure_requests--;
4206 if (!window->configure_requests)
4207 window_schedule_redraw(window);
4210 static struct wl_callback_listener configure_request_listener = {
4211 configure_request_completed,
4215 window_defer_redraw_until_configure(struct window* window)
4217 struct wl_callback *callback;
4219 if (window->redraw_task_scheduled) {
4220 wl_list_remove(&window->redraw_task.link);
4221 window->redraw_task_scheduled = 0;
4224 callback = wl_display_sync(window->display->display);
4225 wl_callback_add_listener(callback, &configure_request_listener, window);
4226 window->configure_requests++;
4230 window_set_fullscreen(struct window *window, int fullscreen)
4232 if (!window->display->shell)
4235 if ((window->type == TYPE_FULLSCREEN) == fullscreen)
4239 window->saved_type = window->type;
4240 if (window->type == TYPE_TOPLEVEL) {
4241 window->saved_allocation = window->main_surface->allocation;
4243 window->type = TYPE_FULLSCREEN;
4244 wl_shell_surface_set_fullscreen(window->shell_surface,
4245 window->fullscreen_method,
4247 window_defer_redraw_until_configure (window);
4249 if (window->saved_type == TYPE_MAXIMIZED) {
4250 window_set_maximized(window, 1);
4252 window->type = TYPE_TOPLEVEL;
4253 wl_shell_surface_set_toplevel(window->shell_surface);
4254 window_schedule_resize(window,
4255 window->saved_allocation.width,
4256 window->saved_allocation.height);
4263 window_set_fullscreen_method(struct window *window,
4264 enum wl_shell_surface_fullscreen_method method)
4266 window->fullscreen_method = method;
4270 window_is_maximized(struct window *window)
4272 return window->type == TYPE_MAXIMIZED;
4276 window_set_maximized(struct window *window, int maximized)
4278 if (!window->display->shell)
4281 if ((window->type == TYPE_MAXIMIZED) == maximized)
4284 if (window->type == TYPE_TOPLEVEL) {
4285 window->saved_allocation = window->main_surface->allocation;
4286 wl_shell_surface_set_maximized(window->shell_surface, NULL);
4287 window->type = TYPE_MAXIMIZED;
4288 window_defer_redraw_until_configure(window);
4289 } else if (window->type == TYPE_FULLSCREEN) {
4290 wl_shell_surface_set_maximized(window->shell_surface, NULL);
4291 window->type = TYPE_MAXIMIZED;
4292 window_defer_redraw_until_configure(window);
4294 wl_shell_surface_set_toplevel(window->shell_surface);
4295 window->type = TYPE_TOPLEVEL;
4296 window_schedule_resize(window,
4297 window->saved_allocation.width,
4298 window->saved_allocation.height);
4303 window_set_user_data(struct window *window, void *data)
4305 window->user_data = data;
4309 window_get_user_data(struct window *window)
4311 return window->user_data;
4315 window_set_key_handler(struct window *window,
4316 window_key_handler_t handler)
4318 window->key_handler = handler;
4322 window_set_keyboard_focus_handler(struct window *window,
4323 window_keyboard_focus_handler_t handler)
4325 window->keyboard_focus_handler = handler;
4329 window_set_data_handler(struct window *window, window_data_handler_t handler)
4331 window->data_handler = handler;
4335 window_set_drop_handler(struct window *window, window_drop_handler_t handler)
4337 window->drop_handler = handler;
4341 window_set_close_handler(struct window *window,
4342 window_close_handler_t handler)
4344 window->close_handler = handler;
4348 window_set_fullscreen_handler(struct window *window,
4349 window_fullscreen_handler_t handler)
4351 window->fullscreen_handler = handler;
4355 window_set_output_handler(struct window *window,
4356 window_output_handler_t handler)
4358 window->output_handler = handler;
4362 window_set_title(struct window *window, const char *title)
4364 free(window->title);
4365 window->title = strdup(title);
4366 if (window->shell_surface)
4367 wl_shell_surface_set_title(window->shell_surface, title);
4371 window_get_title(struct window *window)
4373 return window->title;
4377 window_set_text_cursor_position(struct window *window, int32_t x, int32_t y)
4379 struct text_cursor_position *text_cursor_position =
4380 window->display->text_cursor_position;
4382 if (!text_cursor_position)
4385 text_cursor_position_notify(text_cursor_position,
4386 window->main_surface->surface,
4387 wl_fixed_from_int(x),
4388 wl_fixed_from_int(y));
4392 window_damage(struct window *window, int32_t x, int32_t y,
4393 int32_t width, int32_t height)
4395 wl_surface_damage(window->main_surface->surface, x, y, width, height);
4399 surface_enter(void *data,
4400 struct wl_surface *wl_surface, struct wl_output *wl_output)
4402 struct window *window = data;
4403 struct output *output;
4404 struct output *output_found = NULL;
4405 struct window_output *window_output;
4407 wl_list_for_each(output, &window->display->output_list, link) {
4408 if (output->output == wl_output) {
4409 output_found = output;
4417 window_output = xmalloc(sizeof *window_output);
4418 window_output->output = output_found;
4420 wl_list_insert (&window->window_output_list, &window_output->link);
4422 if (window->output_handler)
4423 window->output_handler(window, output_found, 1,
4428 surface_leave(void *data,
4429 struct wl_surface *wl_surface, struct wl_output *output)
4431 struct window *window = data;
4432 struct window_output *window_output;
4433 struct window_output *window_output_found = NULL;
4435 wl_list_for_each(window_output, &window->window_output_list, link) {
4436 if (window_output->output->output == output) {
4437 window_output_found = window_output;
4442 if (window_output_found) {
4443 wl_list_remove(&window_output_found->link);
4445 if (window->output_handler)
4446 window->output_handler(window, window_output->output,
4447 0, window->user_data);
4449 free(window_output_found);
4453 static const struct wl_surface_listener surface_listener = {
4458 static struct surface *
4459 surface_create(struct window *window)
4461 struct display *display = window->display;
4462 struct surface *surface;
4464 surface = xmalloc(sizeof *surface);
4465 memset(surface, 0, sizeof *surface);
4469 surface->window = window;
4470 surface->surface = wl_compositor_create_surface(display->compositor);
4471 surface->buffer_scale = 1;
4472 wl_surface_add_listener(surface->surface, &surface_listener, window);
4474 wl_list_insert(&window->subsurface_list, &surface->link);
4479 static struct window *
4480 window_create_internal(struct display *display,
4481 struct window *parent, int type)
4483 struct window *window;
4484 struct surface *surface;
4486 window = xzalloc(sizeof *window);
4487 wl_list_init(&window->subsurface_list);
4488 window->display = display;
4489 window->parent = parent;
4491 surface = surface_create(window);
4492 window->main_surface = surface;
4494 if (type != TYPE_CUSTOM && display->shell) {
4495 window->shell_surface =
4496 wl_shell_get_shell_surface(display->shell,
4498 fail_on_null(window->shell_surface);
4501 window->type = type;
4502 window->fullscreen_method = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT;
4503 window->configure_requests = 0;
4504 window->preferred_format = WINDOW_PREFERRED_FORMAT_NONE;
4506 if (display->argb_device)
4507 #ifdef HAVE_CAIRO_EGL
4508 surface->buffer_type = WINDOW_BUFFER_TYPE_EGL_WINDOW;
4510 surface->buffer_type = WINDOW_BUFFER_TYPE_SHM;
4513 surface->buffer_type = WINDOW_BUFFER_TYPE_SHM;
4515 wl_surface_set_user_data(surface->surface, window);
4516 wl_list_insert(display->window_list.prev, &window->link);
4517 wl_list_init(&window->redraw_task.link);
4519 if (window->shell_surface) {
4520 wl_shell_surface_set_user_data(window->shell_surface, window);
4521 wl_shell_surface_add_listener(window->shell_surface,
4522 &shell_surface_listener, window);
4525 wl_list_init (&window->window_output_list);
4531 window_create(struct display *display)
4533 return window_create_internal(display, NULL, TYPE_NONE);
4537 window_create_custom(struct display *display)
4539 return window_create_internal(display, NULL, TYPE_CUSTOM);
4543 window_create_transient(struct display *display, struct window *parent,
4544 int32_t x, int32_t y, uint32_t flags)
4546 struct window *window;
4548 window = window_create_internal(parent->display,
4549 parent, TYPE_TRANSIENT);
4555 wl_shell_surface_set_transient(
4556 window->shell_surface,
4557 window->parent->main_surface->surface,
4558 window->x, window->y, flags);
4564 menu_set_item(struct menu *menu, int sy)
4568 next = (sy - 8) / 20;
4569 if (menu->current != next) {
4570 menu->current = next;
4571 widget_schedule_redraw(menu->widget);
4576 menu_motion_handler(struct widget *widget,
4577 struct input *input, uint32_t time,
4578 float x, float y, void *data)
4580 struct menu *menu = data;
4582 if (widget == menu->widget)
4583 menu_set_item(data, y);
4585 return CURSOR_LEFT_PTR;
4589 menu_enter_handler(struct widget *widget,
4590 struct input *input, float x, float y, void *data)
4592 struct menu *menu = data;
4594 if (widget == menu->widget)
4595 menu_set_item(data, y);
4597 return CURSOR_LEFT_PTR;
4601 menu_leave_handler(struct widget *widget, struct input *input, void *data)
4603 struct menu *menu = data;
4605 if (widget == menu->widget)
4606 menu_set_item(data, -200);
4610 menu_button_handler(struct widget *widget,
4611 struct input *input, uint32_t time,
4612 uint32_t button, enum wl_pointer_button_state state,
4616 struct menu *menu = data;
4618 if (state == WL_POINTER_BUTTON_STATE_RELEASED &&
4619 (menu->release_count > 0 || time - menu->time > 500)) {
4620 /* Either relase after press-drag-release or
4621 * click-motion-click. */
4622 menu->func(menu->window->parent,
4623 menu->current, menu->window->parent->user_data);
4624 input_ungrab(input);
4626 } else if (state == WL_POINTER_BUTTON_STATE_RELEASED) {
4627 menu->release_count++;
4632 menu_redraw_handler(struct widget *widget, void *data)
4635 const int32_t r = 3, margin = 3;
4636 struct menu *menu = data;
4637 int32_t width, height, i;
4639 cr = widget_cairo_create(widget);
4640 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
4641 cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0);
4644 width = widget->allocation.width;
4645 height = widget->allocation.height;
4646 rounded_rect(cr, 0, 0, width, height, r);
4648 cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
4649 cairo_set_source_rgba(cr, 0.0, 0.0, 0.4, 0.8);
4652 for (i = 0; i < menu->count; i++) {
4653 if (i == menu->current) {
4654 cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
4655 cairo_rectangle(cr, margin, i * 20 + margin,
4656 width - 2 * margin, 20);
4658 cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
4659 cairo_move_to(cr, 10, i * 20 + 16);
4660 cairo_show_text(cr, menu->entries[i]);
4662 cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
4663 cairo_move_to(cr, 10, i * 20 + 16);
4664 cairo_show_text(cr, menu->entries[i]);
4672 window_show_menu(struct display *display,
4673 struct input *input, uint32_t time, struct window *parent,
4674 int32_t x, int32_t y,
4675 menu_func_t func, const char **entries, int count)
4677 struct window *window;
4679 const int32_t margin = 3;
4681 menu = malloc(sizeof *menu);
4685 window = window_create_internal(parent->display, parent, TYPE_MENU);
4691 menu->window = window;
4692 menu->widget = window_add_widget(menu->window, menu);
4693 window_set_buffer_scale (menu->window, window_get_buffer_scale (parent));
4694 window_set_buffer_transform (menu->window, window_get_buffer_transform (parent));
4695 menu->entries = entries;
4696 menu->count = count;
4697 menu->release_count = 0;
4701 menu->input = input;
4702 window->type = TYPE_MENU;
4706 input_ungrab(input);
4707 wl_shell_surface_set_popup(window->shell_surface, input->seat,
4708 display_get_serial(window->display),
4709 window->parent->main_surface->surface,
4710 window->x, window->y, 0);
4712 widget_set_redraw_handler(menu->widget, menu_redraw_handler);
4713 widget_set_enter_handler(menu->widget, menu_enter_handler);
4714 widget_set_leave_handler(menu->widget, menu_leave_handler);
4715 widget_set_motion_handler(menu->widget, menu_motion_handler);
4716 widget_set_button_handler(menu->widget, menu_button_handler);
4718 input_grab(input, menu->widget, 0);
4719 window_schedule_resize(window, 200, count * 20 + margin * 2);
4723 window_set_buffer_type(struct window *window, enum window_buffer_type type)
4725 window->main_surface->buffer_type = type;
4729 window_set_preferred_format(struct window *window,
4730 enum preferred_format format)
4732 window->preferred_format = format;
4736 window_add_subsurface(struct window *window, void *data,
4737 enum subsurface_mode default_mode)
4739 struct widget *widget;
4740 struct surface *surface;
4741 struct wl_surface *parent;
4742 struct wl_subcompositor *subcompo = window->display->subcompositor;
4744 surface = surface_create(window);
4745 widget = widget_create(window, surface, data);
4746 wl_list_init(&widget->link);
4747 surface->widget = widget;
4749 parent = window->main_surface->surface;
4750 surface->subsurface = wl_subcompositor_get_subsurface(subcompo,
4753 surface->synchronized = 1;
4755 switch (default_mode) {
4756 case SUBSURFACE_SYNCHRONIZED:
4757 surface->synchronized_default = 1;
4759 case SUBSURFACE_DESYNCHRONIZED:
4760 surface->synchronized_default = 0;
4763 assert(!"bad enum subsurface_mode");
4770 display_handle_geometry(void *data,
4771 struct wl_output *wl_output,
4774 int physical_height,
4780 struct output *output = data;
4782 output->allocation.x = x;
4783 output->allocation.y = y;
4784 output->transform = transform;
4788 display_handle_done(void *data,
4789 struct wl_output *wl_output)
4794 display_handle_scale(void *data,
4795 struct wl_output *wl_output,
4798 struct output *output = data;
4800 output->scale = scale;
4804 display_handle_mode(void *data,
4805 struct wl_output *wl_output,
4811 struct output *output = data;
4812 struct display *display = output->display;
4814 if (flags & WL_OUTPUT_MODE_CURRENT) {
4815 output->allocation.width = width;
4816 output->allocation.height = height;
4817 if (display->output_configure_handler)
4818 (*display->output_configure_handler)(
4819 output, display->user_data);
4823 static const struct wl_output_listener output_listener = {
4824 display_handle_geometry,
4825 display_handle_mode,
4826 display_handle_done,
4827 display_handle_scale
4831 display_add_output(struct display *d, uint32_t id)
4833 struct output *output;
4835 output = xzalloc(sizeof *output);
4836 output->display = d;
4839 wl_registry_bind(d->registry, id, &wl_output_interface, 2);
4840 wl_list_insert(d->output_list.prev, &output->link);
4842 wl_output_add_listener(output->output, &output_listener, output);
4846 output_destroy(struct output *output)
4848 if (output->destroy_handler)
4849 (*output->destroy_handler)(output, output->user_data);
4851 wl_output_destroy(output->output);
4852 wl_list_remove(&output->link);
4857 display_set_global_handler(struct display *display,
4858 display_global_handler_t handler)
4860 struct global *global;
4862 display->global_handler = handler;
4866 wl_list_for_each(global, &display->global_list, link)
4867 display->global_handler(display,
4868 global->name, global->interface,
4869 global->version, display->user_data);
4873 display_set_output_configure_handler(struct display *display,
4874 display_output_handler_t handler)
4876 struct output *output;
4878 display->output_configure_handler = handler;
4882 wl_list_for_each(output, &display->output_list, link) {
4883 if (output->allocation.width == 0 &&
4884 output->allocation.height == 0)
4887 (*display->output_configure_handler)(output,
4888 display->user_data);
4893 output_set_user_data(struct output *output, void *data)
4895 output->user_data = data;
4899 output_get_user_data(struct output *output)
4901 return output->user_data;
4905 output_set_destroy_handler(struct output *output,
4906 display_output_handler_t handler)
4908 output->destroy_handler = handler;
4909 /* FIXME: implement this, once we have way to remove outputs */
4913 output_get_allocation(struct output *output, struct rectangle *base)
4915 struct rectangle allocation = output->allocation;
4917 switch (output->transform) {
4918 case WL_OUTPUT_TRANSFORM_90:
4919 case WL_OUTPUT_TRANSFORM_270:
4920 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
4921 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
4922 /* Swap width and height */
4923 allocation.width = output->allocation.height;
4924 allocation.height = output->allocation.width;
4932 output_get_wl_output(struct output *output)
4934 return output->output;
4937 enum wl_output_transform
4938 output_get_transform(struct output *output)
4940 return output->transform;
4944 output_get_scale(struct output *output)
4946 return output->scale;
4950 fini_xkb(struct input *input)
4952 xkb_state_unref(input->xkb.state);
4953 xkb_map_unref(input->xkb.keymap);
4956 #define MAX(a,b) ((a) > (b) ? a : b)
4959 display_add_input(struct display *d, uint32_t id)
4961 struct input *input;
4963 input = xzalloc(sizeof *input);
4965 input->seat = wl_registry_bind(d->registry, id, &wl_seat_interface,
4966 MAX(d->seat_version, 3));
4967 input->touch_focus = NULL;
4968 input->pointer_focus = NULL;
4969 input->keyboard_focus = NULL;
4970 wl_list_init(&input->touch_point_list);
4971 wl_list_insert(d->input_list.prev, &input->link);
4973 wl_seat_add_listener(input->seat, &seat_listener, input);
4974 wl_seat_set_user_data(input->seat, input);
4976 input->data_device =
4977 wl_data_device_manager_get_data_device(d->data_device_manager,
4979 wl_data_device_add_listener(input->data_device, &data_device_listener,
4982 input->pointer_surface = wl_compositor_create_surface(d->compositor);
4984 input->repeat_timer_fd = timerfd_create(CLOCK_MONOTONIC,
4985 TFD_CLOEXEC | TFD_NONBLOCK);
4986 input->repeat_task.run = keyboard_repeat_func;
4987 display_watch_fd(d, input->repeat_timer_fd,
4988 EPOLLIN, &input->repeat_task);
4992 input_destroy(struct input *input)
4994 input_remove_keyboard_focus(input);
4995 input_remove_pointer_focus(input);
4997 if (input->drag_offer)
4998 data_offer_destroy(input->drag_offer);
5000 if (input->selection_offer)
5001 data_offer_destroy(input->selection_offer);
5003 wl_data_device_destroy(input->data_device);
5005 if (input->display->seat_version >= 3) {
5007 wl_pointer_release(input->pointer);
5008 if (input->keyboard)
5009 wl_keyboard_release(input->keyboard);
5014 wl_surface_destroy(input->pointer_surface);
5016 wl_list_remove(&input->link);
5017 wl_seat_destroy(input->seat);
5018 close(input->repeat_timer_fd);
5023 init_workspace_manager(struct display *d, uint32_t id)
5025 d->workspace_manager =
5026 wl_registry_bind(d->registry, id,
5027 &workspace_manager_interface, 1);
5028 if (d->workspace_manager != NULL)
5029 workspace_manager_add_listener(d->workspace_manager,
5030 &workspace_manager_listener,
5035 shm_format(void *data, struct wl_shm *wl_shm, uint32_t format)
5037 struct display *d = data;
5039 if (format == WL_SHM_FORMAT_RGB565)
5043 struct wl_shm_listener shm_listener = {
5048 registry_handle_global(void *data, struct wl_registry *registry, uint32_t id,
5049 const char *interface, uint32_t version)
5051 struct display *d = data;
5052 struct global *global;
5054 global = xmalloc(sizeof *global);
5056 global->interface = strdup(interface);
5057 global->version = version;
5058 wl_list_insert(d->global_list.prev, &global->link);
5060 if (strcmp(interface, "wl_compositor") == 0) {
5061 d->compositor = wl_registry_bind(registry, id,
5062 &wl_compositor_interface, 3);
5063 } else if (strcmp(interface, "wl_output") == 0) {
5064 display_add_output(d, id);
5065 } else if (strcmp(interface, "wl_seat") == 0) {
5066 d->seat_version = version;
5067 display_add_input(d, id);
5068 } else if (strcmp(interface, "wl_shell") == 0) {
5069 d->shell = wl_registry_bind(registry,
5070 id, &wl_shell_interface, 1);
5071 } else if (strcmp(interface, "wl_shm") == 0) {
5072 d->shm = wl_registry_bind(registry, id, &wl_shm_interface, 1);
5073 wl_shm_add_listener(d->shm, &shm_listener, d);
5074 } else if (strcmp(interface, "wl_data_device_manager") == 0) {
5075 d->data_device_manager =
5076 wl_registry_bind(registry, id,
5077 &wl_data_device_manager_interface, 1);
5078 } else if (strcmp(interface, "text_cursor_position") == 0) {
5079 d->text_cursor_position =
5080 wl_registry_bind(registry, id,
5081 &text_cursor_position_interface, 1);
5082 } else if (strcmp(interface, "workspace_manager") == 0) {
5083 init_workspace_manager(d, id);
5084 } else if (strcmp(interface, "wl_subcompositor") == 0) {
5086 wl_registry_bind(registry, id,
5087 &wl_subcompositor_interface, 1);
5090 if (d->global_handler)
5091 d->global_handler(d, id, interface, version, d->user_data);
5095 registry_handle_global_remove(void *data, struct wl_registry *registry,
5098 struct display *d = data;
5099 struct global *global;
5102 wl_list_for_each_safe(global, tmp, &d->global_list, link) {
5103 if (global->name != name)
5106 /* XXX: Should destroy bound globals, and call
5107 * the counterpart of display::global_handler
5109 wl_list_remove(&global->link);
5110 free(global->interface);
5116 display_bind(struct display *display, uint32_t name,
5117 const struct wl_interface *interface, uint32_t version)
5119 return wl_registry_bind(display->registry, name, interface, version);
5122 static const struct wl_registry_listener registry_listener = {
5123 registry_handle_global,
5124 registry_handle_global_remove
5127 #ifdef HAVE_CAIRO_EGL
5129 init_egl(struct display *d)
5131 EGLint major, minor;
5134 #ifdef USE_CAIRO_GLESV2
5135 # define GL_BIT EGL_OPENGL_ES2_BIT
5137 # define GL_BIT EGL_OPENGL_BIT
5140 static const EGLint argb_cfg_attribs[] = {
5141 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
5147 EGL_RENDERABLE_TYPE, GL_BIT,
5151 #ifdef USE_CAIRO_GLESV2
5152 static const EGLint context_attribs[] = {
5153 EGL_CONTEXT_CLIENT_VERSION, 2,
5156 EGLint api = EGL_OPENGL_ES_API;
5158 EGLint *context_attribs = NULL;
5159 EGLint api = EGL_OPENGL_API;
5162 d->dpy = eglGetDisplay(d->display);
5163 if (!eglInitialize(d->dpy, &major, &minor)) {
5164 fprintf(stderr, "failed to initialize EGL\n");
5168 if (!eglBindAPI(api)) {
5169 fprintf(stderr, "failed to bind EGL client API\n");
5173 if (!eglChooseConfig(d->dpy, argb_cfg_attribs,
5174 &d->argb_config, 1, &n) || n != 1) {
5175 fprintf(stderr, "failed to choose argb EGL config\n");
5179 d->argb_ctx = eglCreateContext(d->dpy, d->argb_config,
5180 EGL_NO_CONTEXT, context_attribs);
5181 if (d->argb_ctx == NULL) {
5182 fprintf(stderr, "failed to create EGL context\n");
5186 d->argb_device = cairo_egl_device_create(d->dpy, d->argb_ctx);
5187 if (cairo_device_status(d->argb_device) != CAIRO_STATUS_SUCCESS) {
5188 fprintf(stderr, "failed to get cairo EGL argb device\n");
5196 fini_egl(struct display *display)
5198 cairo_device_destroy(display->argb_device);
5200 eglMakeCurrent(display->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE,
5203 eglTerminate(display->dpy);
5209 init_dummy_surface(struct display *display)
5214 len = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, 1);
5216 display->dummy_surface =
5217 cairo_image_surface_create_for_data(data, CAIRO_FORMAT_ARGB32,
5219 display->dummy_surface_data = data;
5223 handle_display_data(struct task *task, uint32_t events)
5225 struct display *display =
5226 container_of(task, struct display, display_task);
5227 struct epoll_event ep;
5230 display->display_fd_events = events;
5232 if (events & EPOLLERR || events & EPOLLHUP) {
5233 display_exit(display);
5237 if (events & EPOLLIN) {
5238 ret = wl_display_dispatch(display->display);
5240 display_exit(display);
5245 if (events & EPOLLOUT) {
5246 ret = wl_display_flush(display->display);
5248 ep.events = EPOLLIN | EPOLLERR | EPOLLHUP;
5249 ep.data.ptr = &display->display_task;
5250 epoll_ctl(display->epoll_fd, EPOLL_CTL_MOD,
5251 display->display_fd, &ep);
5252 } else if (ret == -1 && errno != EAGAIN) {
5253 display_exit(display);
5260 log_handler(const char *format, va_list args)
5262 vfprintf(stderr, format, args);
5266 display_create(int *argc, char *argv[])
5270 wl_log_set_handler_client(log_handler);
5272 d = zalloc(sizeof *d);
5276 d->display = wl_display_connect(NULL);
5277 if (d->display == NULL) {
5278 fprintf(stderr, "failed to connect to Wayland display: %m\n");
5283 d->xkb_context = xkb_context_new(0);
5284 if (d->xkb_context == NULL) {
5285 fprintf(stderr, "Failed to create XKB context\n");
5290 d->epoll_fd = os_epoll_create_cloexec();
5291 d->display_fd = wl_display_get_fd(d->display);
5292 d->display_task.run = handle_display_data;
5293 display_watch_fd(d, d->display_fd, EPOLLIN | EPOLLERR | EPOLLHUP,
5296 wl_list_init(&d->deferred_list);
5297 wl_list_init(&d->input_list);
5298 wl_list_init(&d->output_list);
5299 wl_list_init(&d->global_list);
5302 d->workspace_count = 1;
5304 d->registry = wl_display_get_registry(d->display);
5305 wl_registry_add_listener(d->registry, ®istry_listener, d);
5307 if (wl_display_dispatch(d->display) < 0) {
5308 fprintf(stderr, "Failed to process Wayland connection: %m\n");
5312 #ifdef HAVE_CAIRO_EGL
5313 if (init_egl(d) < 0)
5314 fprintf(stderr, "EGL does not seem to work, "
5315 "falling back to software rendering and wl_shm.\n");
5320 d->theme = theme_create();
5322 wl_list_init(&d->window_list);
5324 init_dummy_surface(d);
5330 display_destroy_outputs(struct display *display)
5333 struct output *output;
5335 wl_list_for_each_safe(output, tmp, &display->output_list, link)
5336 output_destroy(output);
5340 display_destroy_inputs(struct display *display)
5343 struct input *input;
5345 wl_list_for_each_safe(input, tmp, &display->input_list, link)
5346 input_destroy(input);
5350 display_destroy(struct display *display)
5352 if (!wl_list_empty(&display->window_list))
5353 fprintf(stderr, "toytoolkit warning: %d windows exist.\n",
5354 wl_list_length(&display->window_list));
5356 if (!wl_list_empty(&display->deferred_list))
5357 fprintf(stderr, "toytoolkit warning: deferred tasks exist.\n");
5359 cairo_surface_destroy(display->dummy_surface);
5360 free(display->dummy_surface_data);
5362 display_destroy_outputs(display);
5363 display_destroy_inputs(display);
5365 xkb_context_unref(display->xkb_context);
5367 theme_destroy(display->theme);
5368 destroy_cursors(display);
5370 #ifdef HAVE_CAIRO_EGL
5371 if (display->argb_device)
5375 if (display->subcompositor)
5376 wl_subcompositor_destroy(display->subcompositor);
5379 wl_shell_destroy(display->shell);
5382 wl_shm_destroy(display->shm);
5384 if (display->data_device_manager)
5385 wl_data_device_manager_destroy(display->data_device_manager);
5387 wl_compositor_destroy(display->compositor);
5388 wl_registry_destroy(display->registry);
5390 close(display->epoll_fd);
5392 if (!(display->display_fd_events & EPOLLERR) &&
5393 !(display->display_fd_events & EPOLLHUP))
5394 wl_display_flush(display->display);
5396 wl_display_disconnect(display->display);
5401 display_set_user_data(struct display *display, void *data)
5403 display->user_data = data;
5407 display_get_user_data(struct display *display)
5409 return display->user_data;
5413 display_get_display(struct display *display)
5415 return display->display;
5419 display_has_subcompositor(struct display *display)
5421 if (display->subcompositor)
5424 wl_display_roundtrip(display->display);
5426 return display->subcompositor != NULL;
5430 display_get_cairo_device(struct display *display)
5432 return display->argb_device;
5436 display_get_output(struct display *display)
5438 return container_of(display->output_list.next, struct output, link);
5441 struct wl_compositor *
5442 display_get_compositor(struct display *display)
5444 return display->compositor;
5448 display_get_serial(struct display *display)
5450 return display->serial;
5454 display_get_egl_display(struct display *d)
5459 struct wl_data_source *
5460 display_create_data_source(struct display *display)
5462 return wl_data_device_manager_create_data_source(display->data_device_manager);
5466 display_get_argb_egl_config(struct display *d)
5468 return d->argb_config;
5472 display_get_shell(struct display *display)
5474 return display->shell;
5478 display_acquire_window_surface(struct display *display,
5479 struct window *window,
5482 struct surface *surface = window->main_surface;
5484 if (surface->buffer_type != WINDOW_BUFFER_TYPE_EGL_WINDOW)
5487 widget_get_cairo_surface(window->main_surface->widget);
5488 return surface->toysurface->acquire(surface->toysurface, ctx);
5492 display_release_window_surface(struct display *display,
5493 struct window *window)
5495 struct surface *surface = window->main_surface;
5497 if (surface->buffer_type != WINDOW_BUFFER_TYPE_EGL_WINDOW)
5500 surface->toysurface->release(surface->toysurface);
5504 display_defer(struct display *display, struct task *task)
5506 wl_list_insert(&display->deferred_list, &task->link);
5510 display_watch_fd(struct display *display,
5511 int fd, uint32_t events, struct task *task)
5513 struct epoll_event ep;
5517 epoll_ctl(display->epoll_fd, EPOLL_CTL_ADD, fd, &ep);
5521 display_unwatch_fd(struct display *display, int fd)
5523 epoll_ctl(display->epoll_fd, EPOLL_CTL_DEL, fd, NULL);
5527 display_run(struct display *display)
5530 struct epoll_event ep[16];
5533 display->running = 1;
5535 while (!wl_list_empty(&display->deferred_list)) {
5536 task = container_of(display->deferred_list.prev,
5538 wl_list_remove(&task->link);
5542 wl_display_dispatch_pending(display->display);
5544 if (!display->running)
5547 ret = wl_display_flush(display->display);
5548 if (ret < 0 && errno == EAGAIN) {
5550 EPOLLIN | EPOLLOUT | EPOLLERR | EPOLLHUP;
5551 ep[0].data.ptr = &display->display_task;
5553 epoll_ctl(display->epoll_fd, EPOLL_CTL_MOD,
5554 display->display_fd, &ep[0]);
5555 } else if (ret < 0) {
5559 count = epoll_wait(display->epoll_fd,
5560 ep, ARRAY_LENGTH(ep), -1);
5561 for (i = 0; i < count; i++) {
5562 task = ep[i].data.ptr;
5563 task->run(task, ep[i].events);
5569 display_exit(struct display *display)
5571 display->running = 0;
5575 keysym_modifiers_add(struct wl_array *modifiers_map,
5578 size_t len = strlen(name) + 1;
5581 p = wl_array_add(modifiers_map, len);
5586 strncpy(p, name, len);
5589 static xkb_mod_index_t
5590 keysym_modifiers_get_index(struct wl_array *modifiers_map,
5593 xkb_mod_index_t index = 0;
5594 char *p = modifiers_map->data;
5596 while ((const char *)p < (const char *)(modifiers_map->data + modifiers_map->size)) {
5597 if (strcmp(p, name) == 0)
5604 return XKB_MOD_INVALID;
5608 keysym_modifiers_get_mask(struct wl_array *modifiers_map,
5611 xkb_mod_index_t index = keysym_modifiers_get_index(modifiers_map, name);
5613 if (index == XKB_MOD_INVALID)
5614 return XKB_MOD_INVALID;
5620 fail_on_null(void *p)
5623 fprintf(stderr, "%s: out of memory\n", program_invocation_short_name);
5633 return fail_on_null(malloc(s));
5639 return fail_on_null(zalloc(s));
5643 xstrdup(const char *s)
5645 return fail_on_null(strdup(s));