Alexander Larsson | 73469ed | 2013-05-28 16:23:34 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright © 2008 Kristian Høgsberg |
| 3 | * Copyright © 2012 Intel Corporation |
| 4 | * |
| 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. |
| 14 | * |
| 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 |
| 21 | * OF THIS SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #include <stdint.h> |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <stdarg.h> |
| 28 | #include <string.h> |
| 29 | #include <math.h> |
| 30 | #include <cairo.h> |
| 31 | |
| 32 | #include <linux/input.h> |
| 33 | #include <wayland-client.h> |
| 34 | #include "window.h" |
| 35 | |
| 36 | struct fullscreen { |
| 37 | struct display *display; |
| 38 | struct window *window; |
| 39 | struct widget *widget; |
| 40 | int width, height; |
| 41 | int fullscreen; |
| 42 | float pointer_x, pointer_y; |
| 43 | enum wl_shell_surface_fullscreen_method fullscreen_method; |
| 44 | }; |
| 45 | |
| 46 | static void |
| 47 | fullscreen_handler(struct window *window, void *data) |
| 48 | { |
| 49 | struct fullscreen *fullscreen = data; |
| 50 | |
| 51 | fullscreen->fullscreen ^= 1; |
| 52 | window_set_fullscreen(window, fullscreen->fullscreen); |
| 53 | } |
| 54 | |
| 55 | static void |
| 56 | resize_handler(struct widget *widget, int width, int height, void *data) |
| 57 | { |
| 58 | struct fullscreen *fullscreen = data; |
| 59 | |
| 60 | widget_set_size(widget, fullscreen->width, fullscreen->height); |
| 61 | } |
| 62 | |
| 63 | static void |
| 64 | draw_string(cairo_t *cr, |
| 65 | const char *fmt, ...) |
| 66 | { |
| 67 | char buffer[4096]; |
| 68 | char *p, *end; |
| 69 | va_list argp; |
| 70 | cairo_text_extents_t text_extents; |
| 71 | cairo_font_extents_t font_extents; |
| 72 | |
| 73 | cairo_save(cr); |
| 74 | |
| 75 | cairo_select_font_face(cr, "sans", |
| 76 | CAIRO_FONT_SLANT_NORMAL, |
| 77 | CAIRO_FONT_WEIGHT_NORMAL); |
| 78 | cairo_set_font_size(cr, 14); |
| 79 | |
| 80 | cairo_font_extents (cr, &font_extents); |
| 81 | |
| 82 | va_start(argp, fmt); |
| 83 | |
| 84 | vsnprintf(buffer, sizeof(buffer), fmt, argp); |
| 85 | |
| 86 | p = buffer; |
| 87 | while (*p) { |
| 88 | end = strchr(p, '\n'); |
| 89 | if (end) |
| 90 | *end = 0; |
| 91 | |
| 92 | cairo_show_text(cr, p); |
| 93 | cairo_text_extents (cr, p, &text_extents); |
| 94 | cairo_rel_move_to (cr, -text_extents.x_advance, font_extents.height); |
| 95 | |
| 96 | if (end) |
| 97 | p = end + 1; |
| 98 | else |
| 99 | break; |
| 100 | } |
| 101 | |
| 102 | va_end(argp); |
| 103 | |
| 104 | cairo_restore(cr); |
| 105 | |
| 106 | } |
| 107 | |
| 108 | static void |
| 109 | redraw_handler(struct widget *widget, void *data) |
| 110 | { |
| 111 | struct fullscreen *fullscreen = data; |
| 112 | struct rectangle allocation; |
| 113 | cairo_surface_t *surface; |
| 114 | cairo_t *cr; |
| 115 | int i; |
| 116 | double x, y, border; |
| 117 | const char *method_name[] = { "default", "scale", "driver", "fill" }; |
| 118 | |
| 119 | surface = window_get_surface(fullscreen->window); |
| 120 | if (surface == NULL || |
| 121 | cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) { |
| 122 | fprintf(stderr, "failed to create cairo egl surface\n"); |
| 123 | return; |
| 124 | } |
| 125 | |
| 126 | widget_get_allocation(fullscreen->widget, &allocation); |
| 127 | |
| 128 | cr = widget_cairo_create(widget); |
| 129 | |
| 130 | cairo_set_source_rgb(cr, 0, 0, 0); |
| 131 | cairo_paint (cr); |
| 132 | |
| 133 | cairo_set_source_rgb(cr, 0, 0, 1); |
| 134 | cairo_set_line_width (cr, 10); |
| 135 | cairo_rectangle(cr, 5, 5, allocation.width - 10, allocation.height - 10); |
| 136 | cairo_stroke (cr); |
| 137 | |
| 138 | cairo_move_to(cr, |
| 139 | allocation.x + 15, |
| 140 | allocation.y + 25); |
| 141 | cairo_set_source_rgb(cr, 1, 1, 1); |
| 142 | |
| 143 | draw_string(cr, |
| 144 | "Surface size: %d, %d\n" |
| 145 | "Scale: %d, transform: %d\n" |
| 146 | "Pointer: %f,%f\n" |
| 147 | "Fullscreen: %d, method: %s\n" |
| 148 | "Keys: (s)cale, (t)ransform, si(z)e, (m)ethod, (f)ullscreen, (q)uit\n", |
| 149 | fullscreen->width, fullscreen->height, |
| 150 | window_get_buffer_scale (fullscreen->window), |
| 151 | window_get_buffer_transform (fullscreen->window), |
| 152 | fullscreen->pointer_x, fullscreen->pointer_y, |
| 153 | fullscreen->fullscreen, method_name[fullscreen->fullscreen_method]); |
| 154 | |
| 155 | y = 100; |
| 156 | i = 0; |
| 157 | while (y + 60 < fullscreen->height) { |
| 158 | border = (i++ % 2 == 0) ? 1 : 0.5; |
| 159 | |
| 160 | x = 50; |
| 161 | cairo_set_line_width (cr, border); |
| 162 | while (x + 70 < fullscreen->width) { |
| 163 | if (fullscreen->pointer_x >= x && fullscreen->pointer_x < x + 50 && |
| 164 | fullscreen->pointer_y >= y && fullscreen->pointer_y < y + 40) { |
| 165 | cairo_set_source_rgb(cr, 1, 0, 0); |
| 166 | cairo_rectangle(cr, |
| 167 | x, y, |
| 168 | 50, 40); |
| 169 | cairo_fill(cr); |
| 170 | } |
| 171 | cairo_set_source_rgb(cr, 0, 1, 0); |
| 172 | cairo_rectangle(cr, |
| 173 | x + border/2.0, y + border/2.0, |
| 174 | 50, 40); |
| 175 | cairo_stroke(cr); |
| 176 | x += 60; |
| 177 | } |
| 178 | |
| 179 | y += 50; |
| 180 | } |
| 181 | |
| 182 | cairo_destroy(cr); |
| 183 | } |
| 184 | |
| 185 | static void |
| 186 | key_handler(struct window *window, struct input *input, uint32_t time, |
| 187 | uint32_t key, uint32_t sym, enum wl_keyboard_key_state state, |
| 188 | void *data) |
| 189 | { |
| 190 | struct fullscreen *fullscreen = data; |
| 191 | int transform, scale; |
| 192 | static int current_size = 0; |
| 193 | int widths[] = { 640, 320, 800, 400 }; |
| 194 | int heights[] = { 480, 240, 600, 300 }; |
| 195 | |
| 196 | if (state == WL_KEYBOARD_KEY_STATE_RELEASED) |
| 197 | return; |
| 198 | |
| 199 | switch (sym) { |
| 200 | case XKB_KEY_t: |
| 201 | transform = window_get_buffer_transform (window); |
| 202 | transform = (transform + 1) % 8; |
| 203 | window_set_buffer_transform(window, transform); |
| 204 | window_schedule_redraw(window); |
| 205 | break; |
| 206 | |
| 207 | case XKB_KEY_s: |
| 208 | scale = window_get_buffer_scale (window); |
| 209 | if (scale == 1) |
| 210 | scale = 2; |
| 211 | else |
| 212 | scale = 1; |
| 213 | window_set_buffer_scale(window, scale); |
| 214 | window_schedule_redraw(window); |
| 215 | break; |
| 216 | |
| 217 | case XKB_KEY_z: |
| 218 | current_size = (current_size + 1) % 4; |
| 219 | fullscreen->width = widths[current_size]; |
| 220 | fullscreen->height = heights[current_size]; |
| 221 | window_schedule_resize(fullscreen->window, |
| 222 | fullscreen->width, fullscreen->height); |
| 223 | break; |
| 224 | |
| 225 | case XKB_KEY_m: |
| 226 | fullscreen->fullscreen_method = (fullscreen->fullscreen_method + 1) % 4; |
| 227 | window_set_fullscreen_method(fullscreen->window, |
| 228 | fullscreen->fullscreen_method); |
| 229 | window_schedule_redraw(window); |
| 230 | break; |
| 231 | |
| 232 | case XKB_KEY_f: |
| 233 | fullscreen->fullscreen ^= 1; |
| 234 | window_set_fullscreen(window, fullscreen->fullscreen); |
| 235 | break; |
| 236 | |
| 237 | case XKB_KEY_q: |
| 238 | exit (0); |
| 239 | break; |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | static int |
| 244 | motion_handler(struct widget *widget, |
| 245 | struct input *input, |
| 246 | uint32_t time, |
| 247 | float x, |
| 248 | float y, void *data) |
| 249 | { |
| 250 | struct fullscreen *fullscreen = data; |
| 251 | |
| 252 | fullscreen->pointer_x = x; |
| 253 | fullscreen->pointer_y = y; |
| 254 | |
| 255 | widget_schedule_redraw(widget); |
| 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | |
| 260 | static void |
| 261 | button_handler(struct widget *widget, |
| 262 | struct input *input, uint32_t time, |
| 263 | uint32_t button, enum wl_pointer_button_state state, void *data) |
| 264 | { |
| 265 | struct fullscreen *fullscreen = data; |
| 266 | |
| 267 | switch (button) { |
| 268 | case BTN_LEFT: |
| 269 | if (state == WL_POINTER_BUTTON_STATE_PRESSED) |
| 270 | window_move(fullscreen->window, input, |
| 271 | display_get_serial(fullscreen->display)); |
| 272 | break; |
| 273 | case BTN_RIGHT: |
| 274 | if (state == WL_POINTER_BUTTON_STATE_PRESSED) |
| 275 | window_show_frame_menu(fullscreen->window, input, time); |
| 276 | break; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | static void |
| 281 | usage(int error_code) |
| 282 | { |
| 283 | fprintf(stderr, "Usage: fullscreen [OPTIONS]\n\n" |
| 284 | " -w <width>\tSet window width to <width>\n" |
| 285 | " -h <height>\tSet window height to <height>\n" |
| 286 | " --help\tShow this help text\n\n"); |
| 287 | |
| 288 | exit(error_code); |
| 289 | } |
| 290 | |
| 291 | int main(int argc, char *argv[]) |
| 292 | { |
| 293 | struct fullscreen fullscreen; |
| 294 | struct display *d; |
| 295 | int i; |
| 296 | |
| 297 | fullscreen.width = 640; |
| 298 | fullscreen.height = 480; |
| 299 | fullscreen.fullscreen = 0; |
| 300 | fullscreen.fullscreen_method = |
| 301 | WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT; |
| 302 | |
| 303 | for (i = 1; i < argc; i++) { |
| 304 | if (strcmp(argv[i], "-w") == 0) { |
| 305 | if (++i >= argc) |
| 306 | usage(EXIT_FAILURE); |
| 307 | |
| 308 | fullscreen.width = atol(argv[i]); |
| 309 | } else if (strcmp(argv[i], "-h") == 0) { |
| 310 | if (++i >= argc) |
| 311 | usage(EXIT_FAILURE); |
| 312 | |
| 313 | fullscreen.height = atol(argv[i]); |
| 314 | } else if (strcmp(argv[i], "--help") == 0) |
| 315 | usage(EXIT_SUCCESS); |
| 316 | else |
| 317 | usage(EXIT_FAILURE); |
| 318 | } |
| 319 | |
| 320 | d = display_create(&argc, argv); |
| 321 | if (d == NULL) { |
| 322 | fprintf(stderr, "failed to create display: %m\n"); |
| 323 | return -1; |
| 324 | } |
| 325 | |
| 326 | fullscreen.display = d; |
| 327 | fullscreen.window = window_create(d); |
| 328 | fullscreen.widget = |
| 329 | window_add_widget(fullscreen.window, &fullscreen); |
| 330 | |
| 331 | window_set_title(fullscreen.window, "Fullscreen"); |
| 332 | window_set_fullscreen_method(fullscreen.window, |
| 333 | fullscreen.fullscreen_method); |
| 334 | |
| 335 | widget_set_transparent(fullscreen.widget, 0); |
| 336 | widget_set_default_cursor(fullscreen.widget, CURSOR_LEFT_PTR); |
| 337 | |
| 338 | widget_set_resize_handler(fullscreen.widget, resize_handler); |
| 339 | widget_set_redraw_handler(fullscreen.widget, redraw_handler); |
| 340 | widget_set_button_handler(fullscreen.widget, button_handler); |
| 341 | widget_set_motion_handler(fullscreen.widget, motion_handler); |
| 342 | |
| 343 | window_set_key_handler(fullscreen.window, key_handler); |
| 344 | window_set_fullscreen_handler(fullscreen.window, fullscreen_handler); |
| 345 | |
| 346 | window_set_user_data(fullscreen.window, &fullscreen); |
| 347 | /* Hack to set minimum allocation so we can shrink later */ |
| 348 | window_schedule_resize(fullscreen.window, |
| 349 | 1, 1); |
| 350 | window_schedule_resize(fullscreen.window, |
| 351 | fullscreen.width, fullscreen.height); |
| 352 | |
| 353 | display_run(d); |
| 354 | |
| 355 | return 0; |
| 356 | } |