2 * Copyright © 2008 Kristian Høgsberg
3 * Copyright © 2012 Intel Corporation
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
33 #include <linux/input.h>
34 #include <wayland-client.h>
38 struct display *display;
39 struct window *window;
40 struct widget *widget;
46 draw_stuff(cairo_t *cr, int width, int height)
49 cairo_get_matrix (cr, &m);
51 cairo_translate(cr, width / 2, height / 2);
52 cairo_scale(cr, width / 2, height / 2);
54 cairo_set_source_rgba(cr, 0, 0, 0.3, 1.0);
55 cairo_set_source_rgba(cr, 0, 0, 0, 1.0);
56 cairo_rectangle(cr, -1, -1, 2, 2);
59 cairo_set_source_rgb(cr, 1, 0, 0);
60 cairo_move_to(cr, 0, 0);
61 cairo_line_to(cr, 0, -1);
64 cairo_set_matrix(cr, &m);
65 cairo_set_line_width(cr, 2.0);
69 cairo_set_source_rgb(cr, 0, 1, 0);
70 cairo_move_to(cr, 0, 0);
71 cairo_line_to(cr, 1, 0);
74 cairo_set_matrix(cr, &m);
75 cairo_set_line_width(cr, 2.0);
79 cairo_set_source_rgb(cr, 1, 1, 1);
80 cairo_move_to(cr, 0, 0);
81 cairo_line_to(cr, 0, 1);
82 cairo_move_to(cr, 0, 0);
83 cairo_line_to(cr, -1, 0);
86 cairo_set_matrix(cr, &m);
87 cairo_set_line_width(cr, 2.0);
95 fullscreen_handler(struct window *window, void *data)
97 struct transformed *transformed = data;
99 transformed->fullscreen ^= 1;
100 window_set_fullscreen(window, transformed->fullscreen);
104 redraw_handler(struct widget *widget, void *data)
106 struct transformed *transformed = data;
107 struct rectangle allocation;
108 cairo_surface_t *surface;
111 surface = window_get_surface(transformed->window);
112 if (surface == NULL ||
113 cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
114 fprintf(stderr, "failed to create cairo egl surface\n");
118 widget_get_allocation(transformed->widget, &allocation);
120 cr = widget_cairo_create(widget);
121 draw_stuff(cr, allocation.width, allocation.height);
123 cairo_surface_destroy(surface);
127 output_handler(struct window *window, struct output *output, int enter,
133 window_set_buffer_transform(window, output_get_transform(output));
134 window_set_buffer_scale(window, output_get_scale(output));
135 window_schedule_redraw(window);
139 key_handler(struct window *window, struct input *input, uint32_t time,
140 uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
143 int transform, scale;
145 if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
148 transform = window_get_buffer_transform (window);
149 scale = window_get_buffer_scale (window);
154 else if (transform == 4)
163 else if (transform == 7)
184 printf ("setting buffer transform to %d\n", transform);
185 printf ("setting buffer scale to %d\n", scale);
186 window_set_buffer_transform(window, transform);
187 window_set_buffer_scale(window, scale);
188 window_schedule_redraw(window);
192 button_handler(struct widget *widget,
193 struct input *input, uint32_t time,
194 uint32_t button, enum wl_pointer_button_state state, void *data)
196 struct transformed *transformed = data;
200 if (state == WL_POINTER_BUTTON_STATE_PRESSED)
201 window_move(transformed->window, input,
202 display_get_serial(transformed->display));
205 if (state == WL_POINTER_BUTTON_STATE_PRESSED)
206 widget_schedule_redraw(widget);
209 if (state == WL_POINTER_BUTTON_STATE_PRESSED)
210 window_show_frame_menu(transformed->window, input, time);
216 touch_handler(struct widget *widget, struct input *input,
217 uint32_t serial, uint32_t time, int32_t id,
218 float x, float y, void *data)
220 struct transformed *transformed = data;
221 window_move(transformed->window, input, display_get_serial(transformed->display));
225 usage(int error_code)
227 fprintf(stderr, "Usage: transformed [OPTIONS]\n\n"
228 " -d\t\tUse \"driver\" fullscreen method\n"
229 " -w <width>\tSet window width to <width>\n"
230 " -h <height>\tSet window height to <height>\n"
231 " --help\tShow this help text\n\n");
236 int main(int argc, char *argv[])
238 struct transformed transformed;
242 transformed.width = 500;
243 transformed.height = 250;
244 transformed.fullscreen = 0;
246 for (i = 1; i < argc; i++) {
247 if (strcmp(argv[i], "-w") == 0) {
251 transformed.width = atol(argv[i]);
252 } else if (strcmp(argv[i], "-h") == 0) {
256 transformed.height = atol(argv[i]);
257 } else if (strcmp(argv[i], "--help") == 0)
263 d = display_create(&argc, argv);
265 fprintf(stderr, "failed to create display: %m\n");
269 transformed.display = d;
270 transformed.window = window_create(d);
272 window_add_widget(transformed.window, &transformed);
274 window_set_title(transformed.window, "Transformed");
276 widget_set_transparent(transformed.widget, 0);
277 widget_set_default_cursor(transformed.widget, CURSOR_BLANK);
279 widget_set_redraw_handler(transformed.widget, redraw_handler);
280 widget_set_button_handler(transformed.widget, button_handler);
282 widget_set_touch_down_handler(transformed.widget, touch_handler);
284 window_set_key_handler(transformed.window, key_handler);
285 window_set_fullscreen_handler(transformed.window, fullscreen_handler);
286 window_set_output_handler(transformed.window, output_handler);
288 window_set_user_data(transformed.window, &transformed);
289 window_schedule_resize(transformed.window,
290 transformed.width, transformed.height);
293 widget_destroy(transformed.widget);
294 window_destroy(transformed.window);