2 * Copyright © 2008 Kristian Høgsberg
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include <sys/ioctl.h>
31 #include <gdk-pixbuf/gdk-pixbuf.h>
33 #include <linux/input.h>
35 #include "wayland-server.h"
36 #include "compositor.h"
38 struct wlsc_switcher {
39 struct wlsc_compositor *compositor;
40 struct wlsc_surface *current;
41 struct wl_listener listener;
44 /* The plan here is to generate a random anonymous socket name and
45 * advertise that through a service on the session dbus.
47 static const char *option_socket_name = NULL;
48 static const char *option_background = "background.jpg";
49 static const char *option_geometry = "1024x640";
50 static int option_connector = 0;
52 static const GOptionEntry option_entries[] = {
53 { "background", 'b', 0, G_OPTION_ARG_STRING,
54 &option_background, "Background image" },
55 { "connector", 'c', 0, G_OPTION_ARG_INT,
56 &option_connector, "KMS connector" },
57 { "geometry", 'g', 0, G_OPTION_ARG_STRING,
58 &option_geometry, "Geometry" },
59 { "socket", 's', 0, G_OPTION_ARG_STRING,
60 &option_socket_name, "Socket Name" },
65 wlsc_matrix_init(struct wlsc_matrix *matrix)
67 static const struct wlsc_matrix identity = {
68 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 }
71 memcpy(matrix, &identity, sizeof identity);
75 wlsc_matrix_multiply(struct wlsc_matrix *m, const struct wlsc_matrix *n)
77 struct wlsc_matrix tmp;
78 const GLfloat *row, *column;
82 for (i = 0; i < 16; i++) {
85 row = m->d + d.quot * 4;
86 column = n->d + d.rem;
87 for (j = 0; j < 4; j++)
88 tmp.d[i] += row[j] * column[j * 4];
90 memcpy(m, &tmp, sizeof tmp);
94 wlsc_matrix_translate(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
96 struct wlsc_matrix translate = {
97 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, x, y, z, 1 }
100 wlsc_matrix_multiply(matrix, &translate);
104 wlsc_matrix_scale(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
106 struct wlsc_matrix scale = {
107 { x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1 }
110 wlsc_matrix_multiply(matrix, &scale);
114 wlsc_matrix_transform(struct wlsc_matrix *matrix, struct wlsc_vector *v)
117 struct wlsc_vector t;
119 for (i = 0; i < 4; i++) {
121 for (j = 0; j < 4; j++)
122 t.f[i] += v->f[j] * matrix->d[i + j * 4];
128 static struct wlsc_surface *
129 wlsc_surface_create(struct wlsc_compositor *compositor,
130 int32_t x, int32_t y, int32_t width, int32_t height)
132 struct wlsc_surface *surface;
134 surface = malloc(sizeof *surface);
138 wl_list_init(&surface->surface.destroy_listener_list);
139 wl_list_init(&surface->link);
140 surface->map_type = WLSC_SURFACE_MAP_UNMAPPED;
142 glGenTextures(1, &surface->texture);
143 glBindTexture(GL_TEXTURE_2D, surface->texture);
144 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
145 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
146 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
147 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
149 surface->compositor = compositor;
150 surface->visual = NULL;
153 surface->width = width;
154 surface->height = height;
155 wlsc_matrix_init(&surface->matrix);
156 wlsc_matrix_scale(&surface->matrix, width, height, 1);
157 wlsc_matrix_translate(&surface->matrix, x, y, 0);
159 wlsc_matrix_init(&surface->matrix_inv);
160 wlsc_matrix_translate(&surface->matrix_inv, -x, -y, 0);
161 wlsc_matrix_scale(&surface->matrix_inv, 1.0 / width, 1.0 / height, 1);
171 gettimeofday(&tv, NULL);
173 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
177 destroy_surface(struct wl_resource *resource, struct wl_client *client)
179 struct wlsc_surface *surface =
180 container_of(resource, struct wlsc_surface, surface.resource);
181 struct wlsc_compositor *compositor = surface->compositor;
182 struct wl_listener *l, *next;
185 wl_list_remove(&surface->link);
186 glDeleteTextures(1, &surface->texture);
189 wl_list_for_each_safe(l, next,
190 &surface->surface.destroy_listener_list, link)
191 l->func(l, &surface->surface, time);
195 wlsc_compositor_schedule_repaint(compositor);
199 wlsc_load_image(const char *filename, int width, int height)
202 GError *error = NULL;
203 int stride, i, n_channels;
204 unsigned char *pixels, *end, *argb_pixels, *s, *d;
206 pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
210 fprintf(stderr, "failed to load image: %s\n", error->message);
215 stride = gdk_pixbuf_get_rowstride(pixbuf);
216 pixels = gdk_pixbuf_get_pixels(pixbuf);
217 n_channels = gdk_pixbuf_get_n_channels(pixbuf);
219 argb_pixels = malloc (height * width * 4);
220 if (argb_pixels == NULL) {
221 g_object_unref(pixbuf);
225 if (n_channels == 4) {
226 for (i = 0; i < height; i++) {
227 s = pixels + i * stride;
229 d = argb_pixels + i * width * 4;
233 #define MULT(_d,c,a,t) \
234 do { t = c * a + 0x7f; _d = ((t >> 8) + t) >> 8; } while (0)
236 MULT(d[0], s[2], s[3], t);
237 MULT(d[1], s[1], s[3], t);
238 MULT(d[2], s[0], s[3], t);
244 } else if (n_channels == 3) {
245 for (i = 0; i < height; i++) {
246 s = pixels + i * stride;
248 d = argb_pixels + i * width * 4;
260 g_object_unref(pixbuf);
262 return (uint32_t *) argb_pixels;
265 static struct wl_buffer *
266 create_buffer_from_png(struct wlsc_compositor *ec,
267 const char *filename, int width, int height)
270 struct wl_buffer *buffer;
272 pixels = wlsc_load_image(filename, width, height);
276 buffer = ec->create_buffer(ec, width, height,
277 &ec->compositor.premultiplied_argb_visual,
285 static const struct {
286 const char *filename;
287 int hotspot_x, hotspot_y;
288 } pointer_images[] = {
289 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
290 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
291 { DATADIR "/wayland/bottom_side.png", 16, 20 },
292 { DATADIR "/wayland/grabbing.png", 20, 17 },
293 { DATADIR "/wayland/left_ptr.png", 10, 5 },
294 { DATADIR "/wayland/left_side.png", 10, 20 },
295 { DATADIR "/wayland/right_side.png", 30, 19 },
296 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
297 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
298 { DATADIR "/wayland/top_side.png", 18, 8 },
299 { DATADIR "/wayland/xterm.png", 15, 15 }
303 create_pointer_images(struct wlsc_compositor *ec)
306 const int width = 32, height = 32;
308 count = ARRAY_LENGTH(pointer_images);
309 ec->pointer_buffers = malloc(count * sizeof *ec->pointer_buffers);
310 for (i = 0; i < count; i++) {
311 ec->pointer_buffers[i] =
312 create_buffer_from_png(ec,
313 pointer_images[i].filename,
318 static struct wlsc_surface *
319 background_create(struct wlsc_output *output, const char *filename)
321 struct wlsc_surface *background;
322 struct wl_buffer *buffer;
324 background = wlsc_surface_create(output->compositor,
325 output->x, output->y,
326 output->width, output->height);
327 if (background == NULL)
330 buffer = create_buffer_from_png(output->compositor,
332 output->width, output->height);
333 if (buffer == NULL) {
337 buffer->attach(buffer, &background->surface);
343 wlsc_surface_draw(struct wlsc_surface *es, struct wlsc_output *output)
345 struct wlsc_compositor *ec = es->compositor;
346 struct wlsc_matrix tmp;
349 wlsc_matrix_multiply(&tmp, &output->matrix);
350 glUniformMatrix4fv(ec->proj_uniform, 1, GL_FALSE, tmp.d);
351 glUniform1i(ec->tex_uniform, 0);
353 if (es->visual == &ec->compositor.argb_visual) {
354 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
356 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
357 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
363 glBindTexture(GL_TEXTURE_2D, es->texture);
364 glBindBuffer(GL_ARRAY_BUFFER, ec->vbo);
365 glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,
366 5 * sizeof(GLfloat), NULL);
367 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,
368 5 * sizeof(GLfloat), (GLfloat *) 0 + 3);
369 glEnableVertexAttribArray(0);
370 glEnableVertexAttribArray(1);
371 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
375 wlsc_surface_raise(struct wlsc_surface *surface)
377 struct wlsc_compositor *compositor = surface->compositor;
379 wl_list_remove(&surface->link);
380 wl_list_insert(&compositor->surface_list, &surface->link);
384 wlsc_surface_update_matrix(struct wlsc_surface *es)
386 wlsc_matrix_init(&es->matrix);
387 wlsc_matrix_scale(&es->matrix, es->width, es->height, 1);
388 wlsc_matrix_translate(&es->matrix, es->x, es->y, 0);
390 wlsc_matrix_init(&es->matrix_inv);
391 wlsc_matrix_translate(&es->matrix_inv, -es->x, -es->y, 0);
392 wlsc_matrix_scale(&es->matrix_inv,
393 1.0 / es->width, 1.0 / es->height, 1);
397 wlsc_compositor_finish_frame(struct wlsc_compositor *compositor, int msecs)
399 wl_display_post_frame(compositor->wl_display, msecs);
400 wl_event_source_timer_update(compositor->timer_source, 5);
401 compositor->repaint_on_timeout = 1;
405 wlsc_output_repaint(struct wlsc_output *output)
407 struct wlsc_compositor *ec = output->compositor;
408 struct wlsc_surface *es;
409 struct wlsc_input_device *eid;
411 glViewport(0, 0, output->width, output->height);
413 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
414 if (es->map_type == WLSC_SURFACE_MAP_FULLSCREEN &&
415 es->fullscreen_output == output) {
416 if (es->width < output->width || es->height < output->height)
417 glClear(GL_COLOR_BUFFER_BIT);
418 wlsc_surface_draw(es, output);
420 if (output->background)
421 wlsc_surface_draw(output->background, output);
423 glClear(GL_COLOR_BUFFER_BIT);
425 wl_list_for_each_reverse(es, &ec->surface_list, link) {
427 ec->switcher->current == es)
430 wlsc_surface_draw(es, output);
435 wlsc_surface_draw(ec->switcher->current, output);
438 wl_list_for_each(eid, &ec->input_device_list, link)
439 wlsc_surface_draw(eid->sprite, output);
445 struct wlsc_compositor *ec = data;
446 struct wlsc_output *output;
448 if (!ec->repaint_needed) {
449 ec->repaint_on_timeout = 0;
453 wl_list_for_each(output, &ec->output_list, link)
454 wlsc_output_repaint(output);
458 ec->repaint_needed = 0;
462 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
464 compositor->repaint_needed = 1;
465 if (compositor->repaint_on_timeout)
468 wl_event_source_timer_update(compositor->timer_source, 1);
469 compositor->repaint_on_timeout = 1;
473 surface_destroy(struct wl_client *client,
474 struct wl_surface *surface)
476 wl_resource_destroy(&surface->resource, client);
480 surface_attach(struct wl_client *client,
481 struct wl_surface *surface, struct wl_buffer *buffer,
482 int32_t x, int32_t y)
484 struct wlsc_surface *es = (struct wlsc_surface *) surface;
486 buffer->attach(buffer, surface);
490 es->width = buffer->width;
491 es->height = buffer->height;
492 wlsc_surface_update_matrix(es);
496 surface_map_toplevel(struct wl_client *client,
497 struct wl_surface *surface)
499 struct wlsc_surface *es = (struct wlsc_surface *) surface;
501 switch (es->map_type) {
502 case WLSC_SURFACE_MAP_UNMAPPED:
503 es->x = 10 + random() % 400;
504 es->y = 10 + random() % 400;
505 wlsc_surface_update_matrix(es);
506 wl_list_insert(&es->compositor->surface_list, &es->link);
508 case WLSC_SURFACE_MAP_TOPLEVEL:
510 case WLSC_SURFACE_MAP_FULLSCREEN:
511 es->fullscreen_output = NULL;
514 wlsc_surface_update_matrix(es);
520 wlsc_compositor_schedule_repaint(es->compositor);
521 es->map_type = WLSC_SURFACE_MAP_TOPLEVEL;
525 surface_map_transient(struct wl_client *client,
526 struct wl_surface *surface, struct wl_surface *parent,
527 int x, int y, uint32_t flags)
529 struct wlsc_surface *es = (struct wlsc_surface *) surface;
530 struct wlsc_surface *pes = (struct wlsc_surface *) parent;
532 switch (es->map_type) {
533 case WLSC_SURFACE_MAP_UNMAPPED:
534 wl_list_insert(&es->compositor->surface_list, &es->link);
536 case WLSC_SURFACE_MAP_FULLSCREEN:
537 es->fullscreen_output = NULL;
546 wlsc_surface_update_matrix(es);
547 wlsc_compositor_schedule_repaint(es->compositor);
548 es->map_type = WLSC_SURFACE_MAP_TRANSIENT;
552 surface_map_fullscreen(struct wl_client *client, struct wl_surface *surface)
554 struct wlsc_surface *es = (struct wlsc_surface *) surface;
555 struct wlsc_output *output;
557 switch (es->map_type) {
558 case WLSC_SURFACE_MAP_UNMAPPED:
559 es->x = 10 + random() % 400;
560 es->y = 10 + random() % 400;
561 wl_list_insert(&es->compositor->surface_list, &es->link);
563 case WLSC_SURFACE_MAP_FULLSCREEN:
569 /* FIXME: Fullscreen on first output */
570 /* FIXME: Handle output going away */
571 output = container_of(es->compositor->output_list.next,
572 struct wlsc_output, link);
576 es->x = (output->width - es->width) / 2;
577 es->y = (output->height - es->height) / 2;
578 es->fullscreen_output = output;
579 wlsc_surface_update_matrix(es);
580 wlsc_compositor_schedule_repaint(es->compositor);
581 es->map_type = WLSC_SURFACE_MAP_FULLSCREEN;
585 surface_damage(struct wl_client *client,
586 struct wl_surface *surface,
587 int32_t x, int32_t y, int32_t width, int32_t height)
589 struct wlsc_surface *es = (struct wlsc_surface *) surface;
591 es->buffer->damage(es->buffer, surface, x, y, width, height);
592 wlsc_compositor_schedule_repaint(es->compositor);
595 const static struct wl_surface_interface surface_interface = {
598 surface_map_toplevel,
599 surface_map_transient,
600 surface_map_fullscreen,
605 wlsc_input_device_attach(struct wlsc_input_device *device,
606 struct wl_buffer *buffer, int x, int y)
608 struct wlsc_compositor *ec =
609 (struct wlsc_compositor *) device->input_device.compositor;
611 buffer->attach(buffer, &device->sprite->surface);
612 device->hotspot_x = x;
613 device->hotspot_y = y;
615 device->sprite->x = device->input_device.x - device->hotspot_x;
616 device->sprite->y = device->input_device.y - device->hotspot_y;
617 device->sprite->width = buffer->width;
618 device->sprite->height = buffer->height;
619 wlsc_surface_update_matrix(device->sprite);
621 wlsc_compositor_schedule_repaint(ec);
626 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
627 enum wlsc_pointer_type type)
629 struct wlsc_compositor *compositor =
630 (struct wlsc_compositor *) device->input_device.compositor;
632 wlsc_input_device_attach(device,
633 compositor->pointer_buffers[type],
634 pointer_images[type].hotspot_x,
635 pointer_images[type].hotspot_y);
639 compositor_create_surface(struct wl_client *client,
640 struct wl_compositor *compositor, uint32_t id)
642 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
643 struct wlsc_surface *surface;
645 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
646 if (surface == NULL) {
647 wl_client_post_no_memory(client);
651 surface->surface.resource.destroy = destroy_surface;
653 surface->surface.resource.object.id = id;
654 surface->surface.resource.object.interface = &wl_surface_interface;
655 surface->surface.resource.object.implementation =
656 (void (**)(void)) &surface_interface;
657 surface->surface.client = client;
659 wl_client_add_resource(client, &surface->surface.resource);
662 const static struct wl_compositor_interface compositor_interface = {
663 compositor_create_surface,
667 wlsc_surface_transform(struct wlsc_surface *surface,
668 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
670 struct wlsc_vector v = { { x, y, 0, 1 } };
672 wlsc_matrix_transform(&surface->matrix_inv, &v);
673 *sx = v.f[0] * surface->width;
674 *sy = v.f[1] * surface->height;
677 struct wlsc_surface *
678 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
680 struct wlsc_compositor *ec =
681 (struct wlsc_compositor *) device->compositor;
682 struct wlsc_surface *es;
684 wl_list_for_each(es, &ec->surface_list, link) {
685 wlsc_surface_transform(es, device->x, device->y, sx, sy);
686 if (0 <= *sx && *sx < es->width &&
687 0 <= *sy && *sy < es->height)
696 motion_grab_motion(struct wl_grab *grab,
697 uint32_t time, int32_t x, int32_t y)
699 struct wlsc_input_device *device =
700 (struct wlsc_input_device *) grab->input_device;
701 struct wlsc_surface *es =
702 (struct wlsc_surface *) device->input_device.pointer_focus;
705 wlsc_surface_transform(es, x, y, &sx, &sy);
706 wl_client_post_event(es->surface.client,
707 &device->input_device.object,
708 WL_INPUT_DEVICE_MOTION,
713 motion_grab_button(struct wl_grab *grab,
714 uint32_t time, int32_t button, int32_t state)
716 wl_client_post_event(grab->input_device->pointer_focus->client,
717 &grab->input_device->object,
718 WL_INPUT_DEVICE_BUTTON,
719 time, button, state);
723 motion_grab_end(struct wl_grab *grab, uint32_t time)
727 static const struct wl_grab_interface motion_grab_interface = {
734 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
736 struct wlsc_surface *es;
737 struct wlsc_compositor *ec =
738 (struct wlsc_compositor *) device->compositor;
739 struct wlsc_output *output;
740 const struct wl_grab_interface *interface;
741 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
744 /* FIXME: We need some multi head love here. */
745 output = container_of(ec->output_list.next, struct wlsc_output, link);
750 if (x >= output->x + output->width)
751 x = output->x + output->width - 1;
752 if (y >= output->y + output->height)
753 y = output->y + output->height - 1;
759 interface = device->grab->interface;
760 interface->motion(device->grab, time, x, y);
762 es = pick_surface(device, &sx, &sy);
763 wl_input_device_set_pointer_focus(device,
767 wl_client_post_event(es->surface.client,
769 WL_INPUT_DEVICE_MOTION,
773 wd->sprite->x = device->x - wd->hotspot_x;
774 wd->sprite->y = device->y - wd->hotspot_y;
775 wlsc_surface_update_matrix(wd->sprite);
777 wlsc_compositor_schedule_repaint(ec);
781 wlsc_surface_activate(struct wlsc_surface *surface,
782 struct wlsc_input_device *device, uint32_t time)
784 wlsc_surface_raise(surface);
785 if (device->selection)
786 wlsc_selection_set_focus(device->selection,
787 &surface->surface, time);
789 wl_input_device_set_keyboard_focus(&device->input_device,
795 notify_button(struct wl_input_device *device,
796 uint32_t time, int32_t button, int32_t state)
798 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
799 struct wlsc_surface *surface;
800 struct wlsc_compositor *compositor =
801 (struct wlsc_compositor *) device->compositor;
803 surface = (struct wlsc_surface *) device->pointer_focus;
807 if (state && surface && device->grab == NULL) {
808 wlsc_surface_activate(surface, wd, time);
809 wl_input_device_start_grab(device,
810 &device->motion_grab,
814 if (state && surface && button == BTN_LEFT &&
815 (wd->modifier_state & MODIFIER_SUPER))
817 (struct wl_shell *) &compositor->shell,
818 &surface->surface, device, time);
819 else if (state && surface && button == BTN_MIDDLE &&
820 (wd->modifier_state & MODIFIER_SUPER)) {
822 x = device->grab_x - surface->x;
823 y = device->grab_y - surface->y;
825 if (x < surface->width / 3)
826 edges |= WL_SHELL_RESIZE_LEFT;
827 else if (x < 2 * surface->width / 3)
830 edges |= WL_SHELL_RESIZE_RIGHT;
832 if (y < surface->height / 3)
833 edges |= WL_SHELL_RESIZE_TOP;
834 else if (y < 2 * surface->height / 3)
837 edges |= WL_SHELL_RESIZE_BOTTOM;
840 (struct wl_shell *) &compositor->shell,
841 &surface->surface, device, time, edges);
845 device->grab->interface->button(device->grab, time,
848 if (!state && device->grab && device->grab_button == button)
849 wl_input_device_end_grab(device, time);
853 wlsc_switcher_next(struct wlsc_switcher *switcher)
857 l = switcher->current->link.next;
858 if (l == &switcher->compositor->surface_list)
859 l = switcher->compositor->surface_list.next;
860 switcher->current = container_of(l, struct wlsc_surface, link);
861 wl_list_remove(&switcher->listener.link);
862 wl_list_insert(switcher->current->surface.destroy_listener_list.prev,
863 &switcher->listener.link);
864 wlsc_compositor_schedule_repaint(switcher->compositor);
868 switcher_handle_surface_destroy(struct wl_listener *listener,
869 struct wl_surface *surface, uint32_t time)
871 struct wlsc_switcher *switcher =
872 container_of(listener, struct wlsc_switcher, listener);
874 wlsc_switcher_next(switcher);
877 static struct wlsc_switcher *
878 wlsc_switcher_create(struct wlsc_compositor *compositor)
880 struct wlsc_switcher *switcher;
882 switcher = malloc(sizeof *switcher);
883 switcher->compositor = compositor;
884 switcher->current = container_of(compositor->surface_list.next,
885 struct wlsc_surface, link);
886 switcher->listener.func = switcher_handle_surface_destroy;
887 wl_list_init(&switcher->listener.link);
893 wlsc_switcher_destroy(struct wlsc_switcher *switcher)
895 wl_list_remove(&switcher->listener.link);
900 notify_key(struct wl_input_device *device,
901 uint32_t time, uint32_t key, uint32_t state)
903 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
904 struct wlsc_compositor *compositor =
905 (struct wlsc_compositor *) device->compositor;
909 switch (key | wd->modifier_state) {
910 case KEY_BACKSPACE | MODIFIER_CTRL | MODIFIER_ALT:
911 wl_display_terminate(compositor->wl_display);
914 case KEY_TAB | MODIFIER_SUPER:
917 if (wl_list_empty(&compositor->surface_list))
919 if (compositor->switcher == NULL)
920 compositor->switcher = wlsc_switcher_create(compositor);
922 wlsc_switcher_next(compositor->switcher);
925 case KEY_LEFTMETA | MODIFIER_SUPER:
926 case KEY_RIGHTMETA | MODIFIER_SUPER:
927 if (compositor->switcher && !state) {
928 wlsc_surface_activate(compositor->switcher->current,
930 wlsc_switcher_destroy(compositor->switcher);
931 compositor->switcher = NULL;
939 modifier = MODIFIER_CTRL;
944 modifier = MODIFIER_ALT;
949 modifier = MODIFIER_SUPER;
958 wd->modifier_state |= modifier;
960 wd->modifier_state &= ~modifier;
962 end = device->keys.data + device->keys.size;
963 for (k = device->keys.data; k < end; k++) {
967 device->keys.size = (void *) end - device->keys.data;
969 k = wl_array_add(&device->keys, sizeof *k);
973 if (device->keyboard_focus != NULL)
974 wl_client_post_event(device->keyboard_focus->client,
976 WL_INPUT_DEVICE_KEY, time, key, state);
980 notify_pointer_focus(struct wl_input_device *device,
981 uint32_t time, struct wlsc_output *output,
982 int32_t x, int32_t y)
984 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
985 struct wlsc_compositor *compositor =
986 (struct wlsc_compositor *) device->compositor;
987 struct wlsc_surface *es;
993 es = pick_surface(device, &sx, &sy);
994 wl_input_device_set_pointer_focus(device,
998 compositor->focus = 1;
1000 wd->sprite->x = device->x - wd->hotspot_x;
1001 wd->sprite->y = device->y - wd->hotspot_y;
1002 wlsc_surface_update_matrix(wd->sprite);
1004 wl_input_device_set_pointer_focus(device, NULL,
1006 compositor->focus = 0;
1009 wlsc_compositor_schedule_repaint(compositor);
1013 notify_keyboard_focus(struct wl_input_device *device,
1014 uint32_t time, struct wlsc_output *output,
1015 struct wl_array *keys)
1017 struct wlsc_input_device *wd =
1018 (struct wlsc_input_device *) device;
1019 struct wlsc_compositor *compositor =
1020 (struct wlsc_compositor *) device->compositor;
1021 struct wlsc_surface *es;
1023 if (!wl_list_empty(&compositor->surface_list))
1024 es = container_of(compositor->surface_list.next,
1025 struct wlsc_surface, link);
1030 wl_array_copy(&wd->input_device.keys, keys);
1031 wl_input_device_set_keyboard_focus(&wd->input_device,
1032 &es->surface, time);
1034 wl_input_device_set_keyboard_focus(&wd->input_device,
1041 input_device_attach(struct wl_client *client,
1042 struct wl_input_device *device_base,
1044 struct wl_buffer *buffer, int32_t x, int32_t y)
1046 struct wlsc_input_device *device =
1047 (struct wlsc_input_device *) device_base;
1049 if (time < device->input_device.pointer_focus_time)
1051 if (device->input_device.pointer_focus == NULL)
1053 if (device->input_device.pointer_focus->client != client)
1056 if (buffer == NULL) {
1057 wlsc_input_device_set_pointer_image(device,
1058 WLSC_POINTER_LEFT_PTR);
1062 wlsc_input_device_attach(device, buffer, x, y);
1065 const static struct wl_input_device_interface input_device_interface = {
1066 input_device_attach,
1070 wlsc_input_device_init(struct wlsc_input_device *device,
1071 struct wlsc_compositor *ec)
1073 wl_input_device_init(&device->input_device, &ec->compositor);
1075 device->input_device.object.interface = &wl_input_device_interface;
1076 device->input_device.object.implementation =
1077 (void (**)(void)) &input_device_interface;
1078 wl_display_add_object(ec->wl_display, &device->input_device.object);
1079 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
1081 device->sprite = wlsc_surface_create(ec,
1082 device->input_device.x,
1083 device->input_device.y, 32, 32);
1084 device->hotspot_x = 16;
1085 device->hotspot_y = 16;
1087 device->input_device.motion_grab.interface = &motion_grab_interface;
1089 wl_list_insert(ec->input_device_list.prev, &device->link);
1091 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
1095 wlsc_output_post_geometry(struct wl_client *client, struct wl_object *global)
1097 struct wlsc_output *output =
1098 container_of(global, struct wlsc_output, object);
1100 wl_client_post_event(client, global,
1102 output->x, output->y,
1103 output->width, output->height);
1106 static const char vertex_shader[] =
1107 "uniform mat4 proj;\n"
1108 "attribute vec4 position;\n"
1109 "attribute vec2 texcoord;\n"
1110 "varying vec2 v_texcoord;\n"
1113 " gl_Position = proj * position;\n"
1114 " v_texcoord = texcoord;\n"
1117 static const char fragment_shader[] =
1118 "precision mediump float;\n"
1119 "varying vec2 v_texcoord;\n"
1120 "uniform sampler2D tex;\n"
1123 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1127 init_shaders(struct wlsc_compositor *ec)
1129 GLuint v, f, program;
1132 GLfloat vertices[4 * 5];
1136 v = glCreateShader(GL_VERTEX_SHADER);
1137 glShaderSource(v, 1, &p, NULL);
1139 glGetShaderiv(v, GL_COMPILE_STATUS, &status);
1141 glGetShaderInfoLog(v, sizeof msg, NULL, msg);
1142 fprintf(stderr, "vertex shader info: %s\n", msg);
1146 p = fragment_shader;
1147 f = glCreateShader(GL_FRAGMENT_SHADER);
1148 glShaderSource(f, 1, &p, NULL);
1150 glGetShaderiv(f, GL_COMPILE_STATUS, &status);
1152 glGetShaderInfoLog(f, sizeof msg, NULL, msg);
1153 fprintf(stderr, "fragment shader info: %s\n", msg);
1157 program = glCreateProgram();
1158 glAttachShader(program, v);
1159 glAttachShader(program, f);
1160 glBindAttribLocation(program, 0, "position");
1161 glBindAttribLocation(program, 1, "texcoord");
1163 glLinkProgram(program);
1164 glGetProgramiv(program, GL_LINK_STATUS, &status);
1166 glGetProgramInfoLog(program, sizeof msg, NULL, msg);
1167 fprintf(stderr, "link info: %s\n", msg);
1171 glUseProgram(program);
1172 ec->proj_uniform = glGetUniformLocation(program, "proj");
1173 ec->tex_uniform = glGetUniformLocation(program, "tex");
1199 glGenBuffers(1, &ec->vbo);
1200 glBindBuffer(GL_ARRAY_BUFFER, ec->vbo);
1201 glBufferData(GL_ARRAY_BUFFER, sizeof vertices, vertices, GL_STATIC_DRAW);
1207 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1208 int x, int y, int width, int height)
1210 output->compositor = c;
1213 output->width = width;
1214 output->height = height;
1216 output->background =
1217 background_create(output, option_background);
1219 wlsc_matrix_init(&output->matrix);
1220 wlsc_matrix_translate(&output->matrix,
1221 -output->x - output->width / 2.0,
1222 -output->y - output->height / 2.0, 0);
1223 wlsc_matrix_scale(&output->matrix,
1224 2.0 / output->width, 2.0 / output->height, 1);
1226 output->object.interface = &wl_output_interface;
1227 wl_display_add_object(c->wl_display, &output->object);
1228 wl_display_add_global(c->wl_display, &output->object,
1229 wlsc_output_post_geometry);
1233 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1235 struct wl_event_loop *loop;
1236 const char *extensions;
1238 ec->wl_display = display;
1240 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1244 wlsc_shell_init(ec);
1246 wl_list_init(&ec->surface_list);
1247 wl_list_init(&ec->input_device_list);
1248 wl_list_init(&ec->output_list);
1250 create_pointer_images(ec);
1252 screenshooter_create(ec);
1254 extensions = (const char *) glGetString(GL_EXTENSIONS);
1255 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1257 "GL_EXT_texture_format_BGRA8888 not available\n");
1261 glGenFramebuffers(1, &ec->fbo);
1262 glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo);
1263 glActiveTexture(GL_TEXTURE0);
1264 if (init_shaders(ec) < 0)
1267 loop = wl_display_get_event_loop(ec->wl_display);
1268 ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);
1269 wlsc_compositor_schedule_repaint(ec);
1274 static void on_term_signal(int signal_number, void *data)
1276 struct wlsc_compositor *ec = data;
1278 wl_display_terminate(ec->wl_display);
1281 int main(int argc, char *argv[])
1283 struct wl_display *display;
1284 struct wlsc_compositor *ec;
1285 struct wl_event_loop *loop;
1286 GError *error = NULL;
1287 GOptionContext *context;
1290 g_type_init(); /* GdkPixbuf needs this, it seems. */
1292 context = g_option_context_new(NULL);
1293 g_option_context_add_main_entries(context, option_entries, "Wayland");
1294 if (!g_option_context_parse(context, &argc, &argv, &error)) {
1295 fprintf(stderr, "option parsing failed: %s\n", error->message);
1298 if (sscanf(option_geometry, "%dx%d", &width, &height) != 2) {
1299 fprintf(stderr, "invalid geometry option: %s \n",
1304 display = wl_display_create();
1308 #if BUILD_WAYLAND_COMPOSITOR
1309 if (getenv("WAYLAND_DISPLAY"))
1310 ec = wayland_compositor_create(display, width, height);
1313 #if BUILD_X11_COMPOSITOR
1314 if (ec == NULL && getenv("DISPLAY"))
1315 ec = x11_compositor_create(display, width, height);
1318 #if BUILD_DRM_COMPOSITOR
1320 ec = drm_compositor_create(display, option_connector);
1324 fprintf(stderr, "failed to create compositor\n");
1328 if (wl_display_add_socket(display, option_socket_name)) {
1329 fprintf(stderr, "failed to add socket: %m\n");
1333 loop = wl_display_get_event_loop(ec->wl_display);
1334 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
1335 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, ec);
1337 wl_display_run(display);
1339 wl_display_destroy(display);