Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2010 Kristian Høgsberg |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that copyright |
| 7 | * notice and this permission notice appear in supporting documentation, and |
| 8 | * that the name of the copyright holders not be used in advertising or |
| 9 | * publicity pertaining to distribution of the software without specific, |
| 10 | * written prior permission. The copyright holders make no representations |
| 11 | * about the suitability of this software for any purpose. It is provided "as |
| 12 | * is" without express or implied warranty. |
| 13 | * |
| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 20 | * OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
Philipp Brüschweiler | f22d0ec | 2012-08-13 20:04:54 +0200 | [diff] [blame] | 23 | #include <assert.h> |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 24 | #include <stdint.h> |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <fcntl.h> |
| 29 | #include <unistd.h> |
| 30 | #include <math.h> |
| 31 | #include <sys/time.h> |
| 32 | #include <cairo.h> |
Kristian Høgsberg | 3a69627 | 2011-09-14 17:33:48 -0400 | [diff] [blame] | 33 | #include <sys/epoll.h> |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 34 | |
Pekka Paalanen | 50719bc | 2011-11-22 14:18:50 +0200 | [diff] [blame] | 35 | #include <wayland-client.h> |
Ander Conselvan de Oliveira | 1042dc1 | 2012-05-22 15:39:42 +0300 | [diff] [blame] | 36 | #include <wayland-cursor.h> |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 37 | |
| 38 | #include "window.h" |
Kristian Høgsberg | 5a315bc | 2012-05-15 22:33:43 -0400 | [diff] [blame] | 39 | #include "../shared/cairo-util.h" |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 40 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 41 | struct dnd_drag; |
| 42 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 43 | struct dnd { |
| 44 | struct window *window; |
Kristian Høgsberg | 75bc667 | 2012-01-10 09:43:58 -0500 | [diff] [blame] | 45 | struct widget *widget; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 46 | struct display *display; |
| 47 | uint32_t key; |
| 48 | struct item *items[16]; |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 49 | int self_only; |
| 50 | struct dnd_drag *current_drag; |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 51 | }; |
Kristian Høgsberg | 1d7ffd3 | 2010-08-25 16:34:05 -0400 | [diff] [blame] | 52 | |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 53 | struct dnd_drag { |
| 54 | cairo_surface_t *translucent; |
| 55 | cairo_surface_t *opaque; |
Kristian Høgsberg | 1d7ffd3 | 2010-08-25 16:34:05 -0400 | [diff] [blame] | 56 | int hotspot_x, hotspot_y; |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 57 | struct dnd *dnd; |
| 58 | struct input *input; |
Kristian Høgsberg | ce457ba | 2010-09-14 15:39:45 -0400 | [diff] [blame] | 59 | uint32_t time; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 60 | struct item *item; |
| 61 | int x_offset, y_offset; |
Kristian Høgsberg | 679f716 | 2012-03-27 16:44:57 -0400 | [diff] [blame] | 62 | int width, height; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 63 | const char *mime_type; |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 64 | |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 65 | struct wl_surface *drag_surface; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 66 | struct wl_data_source *data_source; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 67 | }; |
| 68 | |
| 69 | struct item { |
| 70 | cairo_surface_t *surface; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 71 | int seed; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 72 | int x, y; |
| 73 | }; |
| 74 | |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 75 | struct dnd_flower_message { |
| 76 | int seed, x_offset, y_offset; |
| 77 | }; |
| 78 | |
| 79 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 80 | static const int item_width = 64; |
| 81 | static const int item_height = 64; |
| 82 | static const int item_padding = 16; |
| 83 | |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 84 | static const char flower_mime_type[] = "application/x-wayland-dnd-flower"; |
Kristian Høgsberg | 735bda2 | 2013-09-09 15:03:27 -0700 | [diff] [blame^] | 85 | static const char text_mime_type[] = "text/plain;charset=utf-8"; |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 86 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 87 | static struct item * |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 88 | item_create(struct display *display, int x, int y, int seed) |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 89 | { |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 90 | struct item *item; |
| 91 | struct timeval tv; |
| 92 | |
| 93 | item = malloc(sizeof *item); |
| 94 | if (item == NULL) |
| 95 | return NULL; |
| 96 | |
| 97 | |
| 98 | gettimeofday(&tv, NULL); |
| 99 | item->seed = seed ? seed : tv.tv_usec; |
| 100 | srandom(item->seed); |
| 101 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 102 | const int petal_count = 3 + random() % 5; |
| 103 | const double r1 = 20 + random() % 10; |
| 104 | const double r2 = 5 + random() % 12; |
| 105 | const double u = (10 + random() % 90) / 100.0; |
| 106 | const double v = (random() % 90) / 100.0; |
| 107 | |
| 108 | cairo_t *cr; |
| 109 | int i; |
| 110 | double t, dt = 2 * M_PI / (petal_count * 2); |
| 111 | double x1, y1, x2, y2, x3, y3; |
| 112 | struct rectangle rect; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 113 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 114 | |
| 115 | rect.width = item_width; |
| 116 | rect.height = item_height; |
Ander Conselvan de Oliveira | 210eb9d | 2012-05-25 16:03:06 +0300 | [diff] [blame] | 117 | item->surface = |
| 118 | display_create_surface(display, NULL, &rect, SURFACE_SHM); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 119 | |
| 120 | item->x = x; |
| 121 | item->y = y; |
| 122 | |
| 123 | cr = cairo_create(item->surface); |
| 124 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
| 125 | cairo_set_source_rgba(cr, 0, 0, 0, 0); |
| 126 | cairo_paint(cr); |
| 127 | |
| 128 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
| 129 | cairo_translate(cr, item_width / 2, item_height / 2); |
| 130 | t = random(); |
| 131 | cairo_move_to(cr, cos(t) * r1, sin(t) * r1); |
| 132 | for (i = 0; i < petal_count; i++, t += dt * 2) { |
| 133 | x1 = cos(t) * r1; |
| 134 | y1 = sin(t) * r1; |
| 135 | x2 = cos(t + dt) * r2; |
| 136 | y2 = sin(t + dt) * r2; |
| 137 | x3 = cos(t + 2 * dt) * r1; |
| 138 | y3 = sin(t + 2 * dt) * r1; |
| 139 | |
| 140 | cairo_curve_to(cr, |
| 141 | x1 - y1 * u, y1 + x1 * u, |
| 142 | x2 + y2 * v, y2 - x2 * v, |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 143 | x2, y2); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 144 | |
| 145 | cairo_curve_to(cr, |
| 146 | x2 - y2 * v, y2 + x2 * v, |
| 147 | x3 + y3 * u, y3 - x3 * u, |
| 148 | x3, y3); |
| 149 | } |
| 150 | |
| 151 | cairo_close_path(cr); |
| 152 | |
| 153 | cairo_set_source_rgba(cr, |
| 154 | 0.5 + (random() % 50) / 49.0, |
| 155 | 0.5 + (random() % 50) / 49.0, |
| 156 | 0.5 + (random() % 50) / 49.0, |
| 157 | 0.5 + (random() % 100) / 99.0); |
| 158 | |
| 159 | cairo_fill_preserve(cr); |
| 160 | |
| 161 | cairo_set_line_width(cr, 1); |
| 162 | cairo_set_source_rgba(cr, |
| 163 | 0.5 + (random() % 50) / 49.0, |
| 164 | 0.5 + (random() % 50) / 49.0, |
| 165 | 0.5 + (random() % 50) / 49.0, |
| 166 | 0.5 + (random() % 100) / 99.0); |
| 167 | cairo_stroke(cr); |
| 168 | |
| 169 | cairo_destroy(cr); |
| 170 | |
| 171 | return item; |
| 172 | } |
| 173 | |
| 174 | static void |
Kristian Høgsberg | b67e94b | 2012-01-10 12:23:19 -0500 | [diff] [blame] | 175 | dnd_redraw_handler(struct widget *widget, void *data) |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 176 | { |
Kristian Høgsberg | b67e94b | 2012-01-10 12:23:19 -0500 | [diff] [blame] | 177 | struct dnd *dnd = data; |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 178 | struct rectangle allocation; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 179 | cairo_t *cr; |
Kristian Høgsberg | e164e4e | 2011-01-21 11:35:05 -0500 | [diff] [blame] | 180 | cairo_surface_t *surface; |
Kristian Høgsberg | 875ab9e | 2012-03-30 11:52:39 -0400 | [diff] [blame] | 181 | unsigned int i; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 182 | |
Kristian Høgsberg | e164e4e | 2011-01-21 11:35:05 -0500 | [diff] [blame] | 183 | surface = window_get_surface(dnd->window); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 184 | cr = cairo_create(surface); |
Kristian Høgsberg | bb97700 | 2012-01-10 19:11:42 -0500 | [diff] [blame] | 185 | widget_get_allocation(dnd->widget, &allocation); |
Kristian Høgsberg | e164e4e | 2011-01-21 11:35:05 -0500 | [diff] [blame] | 186 | cairo_rectangle(cr, allocation.x, allocation.y, |
| 187 | allocation.width, allocation.height); |
Kristian Høgsberg | e164e4e | 2011-01-21 11:35:05 -0500 | [diff] [blame] | 188 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 189 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
| 190 | cairo_set_source_rgba(cr, 0, 0, 0, 0.8); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 191 | cairo_fill(cr); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 192 | |
Kristian Høgsberg | 0fd49aa | 2012-07-23 21:32:46 -0400 | [diff] [blame] | 193 | cairo_rectangle(cr, allocation.x, allocation.y, |
| 194 | allocation.width, allocation.height); |
| 195 | cairo_clip(cr); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 196 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
| 197 | for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
| 198 | if (!dnd->items[i]) |
| 199 | continue; |
| 200 | cairo_set_source_surface(cr, dnd->items[i]->surface, |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 201 | dnd->items[i]->x + allocation.x, |
| 202 | dnd->items[i]->y + allocation.y); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 203 | cairo_paint(cr); |
| 204 | } |
| 205 | |
| 206 | cairo_destroy(cr); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 207 | cairo_surface_destroy(surface); |
| 208 | } |
| 209 | |
| 210 | static void |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 211 | keyboard_focus_handler(struct window *window, |
| 212 | struct input *device, void *data) |
| 213 | { |
| 214 | struct dnd *dnd = data; |
| 215 | |
| 216 | window_schedule_redraw(dnd->window); |
| 217 | } |
| 218 | |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 219 | static int |
| 220 | dnd_add_item(struct dnd *dnd, struct item *item) |
| 221 | { |
Kristian Høgsberg | 875ab9e | 2012-03-30 11:52:39 -0400 | [diff] [blame] | 222 | unsigned int i; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 223 | |
| 224 | for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
| 225 | if (dnd->items[i] == 0) { |
| 226 | dnd->items[i] = item; |
| 227 | return i; |
| 228 | } |
| 229 | } |
| 230 | return -1; |
| 231 | } |
| 232 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 233 | static struct item * |
| 234 | dnd_get_item(struct dnd *dnd, int32_t x, int32_t y) |
| 235 | { |
| 236 | struct item *item; |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 237 | struct rectangle allocation; |
Kristian Høgsberg | 875ab9e | 2012-03-30 11:52:39 -0400 | [diff] [blame] | 238 | unsigned int i; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 239 | |
Kristian Høgsberg | bb97700 | 2012-01-10 19:11:42 -0500 | [diff] [blame] | 240 | widget_get_allocation(dnd->widget, &allocation); |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 241 | |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 242 | x -= allocation.x; |
| 243 | y -= allocation.y; |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 244 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 245 | for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
| 246 | item = dnd->items[i]; |
| 247 | if (item && |
| 248 | item->x <= x && x < item->x + item_width && |
| 249 | item->y <= y && y < item->y + item_height) |
| 250 | return item; |
| 251 | } |
| 252 | |
| 253 | return NULL; |
| 254 | } |
| 255 | |
| 256 | static void |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 257 | data_source_target(void *data, |
| 258 | struct wl_data_source *source, const char *mime_type) |
Kristian Høgsberg | 506e20e | 2010-08-19 17:26:02 -0400 | [diff] [blame] | 259 | { |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 260 | struct dnd_drag *dnd_drag = data; |
| 261 | struct dnd *dnd = dnd_drag->dnd; |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 262 | cairo_surface_t *surface; |
| 263 | struct wl_buffer *buffer; |
Kristian Høgsberg | 1d7ffd3 | 2010-08-25 16:34:05 -0400 | [diff] [blame] | 264 | |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 265 | dnd_drag->mime_type = mime_type; |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 266 | if (mime_type) |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 267 | surface = dnd_drag->opaque; |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 268 | else |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 269 | surface = dnd_drag->translucent; |
| 270 | |
| 271 | buffer = display_get_buffer_for_surface(dnd->display, surface); |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 272 | wl_surface_attach(dnd_drag->drag_surface, buffer, 0, 0); |
Kristian Høgsberg | 679f716 | 2012-03-27 16:44:57 -0400 | [diff] [blame] | 273 | wl_surface_damage(dnd_drag->drag_surface, 0, 0, |
| 274 | dnd_drag->width, dnd_drag->height); |
Pekka Paalanen | c9e00c0 | 2012-10-10 12:49:24 +0300 | [diff] [blame] | 275 | wl_surface_commit(dnd_drag->drag_surface); |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | static void |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 279 | data_source_send(void *data, struct wl_data_source *source, |
| 280 | const char *mime_type, int32_t fd) |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 281 | { |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 282 | struct dnd_flower_message dnd_flower_message; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 283 | struct dnd_drag *dnd_drag = data; |
Kristian Høgsberg | 735bda2 | 2013-09-09 15:03:27 -0700 | [diff] [blame^] | 284 | char buffer[128]; |
| 285 | int n; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 286 | |
Kristian Høgsberg | 735bda2 | 2013-09-09 15:03:27 -0700 | [diff] [blame^] | 287 | if (strcmp(mime_type, flower_mime_type) == 0) { |
| 288 | dnd_flower_message.seed = dnd_drag->item->seed; |
| 289 | dnd_flower_message.x_offset = dnd_drag->x_offset; |
| 290 | dnd_flower_message.y_offset = dnd_drag->y_offset; |
| 291 | |
| 292 | if (write(fd, &dnd_flower_message, |
| 293 | sizeof dnd_flower_message) < 0) |
| 294 | abort(); |
| 295 | } else if (strcmp(mime_type, text_mime_type) == 0) { |
| 296 | n = snprintf(buffer, sizeof buffer, "seed=%d x=%d y=%d\n", |
| 297 | dnd_drag->item->seed, |
| 298 | dnd_drag->x_offset, |
| 299 | dnd_drag->y_offset); |
| 300 | |
| 301 | if (write(fd, buffer, n) < 0) |
| 302 | abort(); |
| 303 | } |
Jonas Ådahl | 3685c3a | 2012-03-30 23:10:27 +0200 | [diff] [blame] | 304 | |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 305 | close(fd); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 306 | } |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 307 | |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 308 | static void |
| 309 | data_source_cancelled(void *data, struct wl_data_source *source) |
| 310 | { |
| 311 | struct dnd_drag *dnd_drag = data; |
| 312 | |
| 313 | /* The 'cancelled' event means that the source is no longer in |
| 314 | * use by the drag (or current selection). We need to clean |
| 315 | * up the drag object created and the local state. */ |
| 316 | |
| 317 | wl_data_source_destroy(dnd_drag->data_source); |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 318 | |
| 319 | /* Destroy the item that has been dragged out */ |
| 320 | cairo_surface_destroy(dnd_drag->item->surface); |
| 321 | free(dnd_drag->item); |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 322 | |
| 323 | wl_surface_destroy(dnd_drag->drag_surface); |
| 324 | |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 325 | cairo_surface_destroy(dnd_drag->translucent); |
| 326 | cairo_surface_destroy(dnd_drag->opaque); |
| 327 | free(dnd_drag); |
| 328 | } |
| 329 | |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 330 | static const struct wl_data_source_listener data_source_listener = { |
| 331 | data_source_target, |
| 332 | data_source_send, |
| 333 | data_source_cancelled |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 334 | }; |
| 335 | |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 336 | static cairo_surface_t * |
| 337 | create_drag_cursor(struct dnd_drag *dnd_drag, |
| 338 | struct item *item, int32_t x, int32_t y, double opacity) |
| 339 | { |
| 340 | struct dnd *dnd = dnd_drag->dnd; |
Ander Conselvan de Oliveira | 1042dc1 | 2012-05-22 15:39:42 +0300 | [diff] [blame] | 341 | cairo_surface_t *surface; |
| 342 | struct wl_cursor_image *pointer; |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 343 | struct rectangle rectangle; |
| 344 | cairo_pattern_t *pattern; |
| 345 | cairo_t *cr; |
| 346 | |
Ander Conselvan de Oliveira | dc8c8fc | 2012-05-25 16:01:41 +0300 | [diff] [blame] | 347 | pointer = display_get_pointer_image(dnd->display, CURSOR_DRAGGING); |
Philipp Brüschweiler | f22d0ec | 2012-08-13 20:04:54 +0200 | [diff] [blame] | 348 | if (!pointer) { |
| 349 | fprintf(stderr, "WARNING: grabbing cursor image not found\n"); |
| 350 | pointer = display_get_pointer_image(dnd->display, |
| 351 | CURSOR_LEFT_PTR); |
| 352 | assert(pointer && "no cursor image found"); |
| 353 | } |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 354 | |
Ander Conselvan de Oliveira | 1042dc1 | 2012-05-22 15:39:42 +0300 | [diff] [blame] | 355 | rectangle.width = item_width + 2 * pointer->width; |
| 356 | rectangle.height = item_height + 2 * pointer->height; |
Ander Conselvan de Oliveira | 210eb9d | 2012-05-25 16:03:06 +0300 | [diff] [blame] | 357 | surface = display_create_surface(dnd->display, NULL, &rectangle, |
| 358 | SURFACE_SHM); |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 359 | |
| 360 | cr = cairo_create(surface); |
Ander Conselvan de Oliveira | 1042dc1 | 2012-05-22 15:39:42 +0300 | [diff] [blame] | 361 | cairo_translate(cr, pointer->width, pointer->height); |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 362 | |
| 363 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
| 364 | cairo_set_source_rgba(cr, 0, 0, 0, 0); |
| 365 | cairo_paint(cr); |
| 366 | |
| 367 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
| 368 | cairo_set_source_surface(cr, item->surface, 0, 0); |
| 369 | pattern = cairo_pattern_create_rgba(0, 0, 0, opacity); |
| 370 | cairo_mask(cr, pattern); |
| 371 | cairo_pattern_destroy(pattern); |
| 372 | |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 373 | /* FIXME: more cairo-gl brokeness */ |
Benjamin Franzke | 47eb8f4 | 2011-10-07 09:08:56 +0200 | [diff] [blame] | 374 | surface_flush_device(surface); |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 375 | cairo_destroy(cr); |
| 376 | |
Ander Conselvan de Oliveira | 1042dc1 | 2012-05-22 15:39:42 +0300 | [diff] [blame] | 377 | dnd_drag->hotspot_x = pointer->width + x - item->x; |
| 378 | dnd_drag->hotspot_y = pointer->height + y - item->y; |
Kristian Høgsberg | 679f716 | 2012-03-27 16:44:57 -0400 | [diff] [blame] | 379 | dnd_drag->width = rectangle.width; |
| 380 | dnd_drag->height = rectangle.height; |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 381 | |
| 382 | return surface; |
| 383 | } |
| 384 | |
Kristian Høgsberg | 506e20e | 2010-08-19 17:26:02 -0400 | [diff] [blame] | 385 | static void |
Kristian Høgsberg | a8a0db3 | 2012-01-09 11:12:05 -0500 | [diff] [blame] | 386 | dnd_button_handler(struct widget *widget, |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 387 | struct input *input, uint32_t time, |
Daniel Stone | 4dbadb1 | 2012-05-30 16:31:51 +0100 | [diff] [blame] | 388 | uint32_t button, enum wl_pointer_button_state state, |
| 389 | void *data) |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 390 | { |
Kristian Høgsberg | 75bc667 | 2012-01-10 09:43:58 -0500 | [diff] [blame] | 391 | struct dnd *dnd = data; |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 392 | int32_t x, y; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 393 | struct item *item; |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 394 | struct rectangle allocation; |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 395 | struct dnd_drag *dnd_drag; |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 396 | struct display *display; |
| 397 | struct wl_compositor *compositor; |
| 398 | struct wl_buffer *buffer; |
Kristian Høgsberg | 875ab9e | 2012-03-30 11:52:39 -0400 | [diff] [blame] | 399 | unsigned int i; |
Kristian Høgsberg | eae5de7 | 2012-04-11 22:42:15 -0400 | [diff] [blame] | 400 | uint32_t serial; |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 401 | cairo_surface_t *icon; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 402 | |
Kristian Høgsberg | bb97700 | 2012-01-10 19:11:42 -0500 | [diff] [blame] | 403 | widget_get_allocation(dnd->widget, &allocation); |
Kristian Høgsberg | e968f9c | 2010-08-27 22:18:00 -0400 | [diff] [blame] | 404 | input_get_position(input, &x, &y); |
| 405 | item = dnd_get_item(dnd, x, y); |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 406 | x -= allocation.x; |
| 407 | y -= allocation.y; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 408 | |
Daniel Stone | 4dbadb1 | 2012-05-30 16:31:51 +0100 | [diff] [blame] | 409 | if (item && state == WL_POINTER_BUTTON_STATE_PRESSED) { |
Brian Lovin | bc91926 | 2013-08-07 15:34:59 -0700 | [diff] [blame] | 410 | dnd_drag = xmalloc(sizeof *dnd_drag); |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 411 | dnd_drag->dnd = dnd; |
| 412 | dnd_drag->input = input; |
Kristian Høgsberg | ce457ba | 2010-09-14 15:39:45 -0400 | [diff] [blame] | 413 | dnd_drag->time = time; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 414 | dnd_drag->item = item; |
| 415 | dnd_drag->x_offset = x - item->x; |
| 416 | dnd_drag->y_offset = y - item->y; |
| 417 | |
| 418 | for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
| 419 | if (item == dnd->items[i]){ |
| 420 | dnd->items[i] = 0; |
| 421 | break; |
| 422 | } |
| 423 | } |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 424 | |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 425 | display = window_get_display(dnd->window); |
| 426 | compositor = display_get_compositor(display); |
Kristian Høgsberg | eae5de7 | 2012-04-11 22:42:15 -0400 | [diff] [blame] | 427 | serial = display_get_serial(display); |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 428 | dnd_drag->drag_surface = |
| 429 | wl_compositor_create_surface(compositor); |
| 430 | |
Kristian Høgsberg | a6c8b00 | 2012-04-13 12:55:45 -0400 | [diff] [blame] | 431 | input_ungrab(input); |
| 432 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 433 | if (dnd->self_only) { |
| 434 | dnd_drag->data_source = NULL; |
| 435 | } else { |
| 436 | dnd_drag->data_source = |
| 437 | display_create_data_source(dnd->display); |
| 438 | wl_data_source_add_listener(dnd_drag->data_source, |
| 439 | &data_source_listener, |
| 440 | dnd_drag); |
| 441 | wl_data_source_offer(dnd_drag->data_source, |
Kristian Høgsberg | 735bda2 | 2013-09-09 15:03:27 -0700 | [diff] [blame^] | 442 | flower_mime_type); |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 443 | wl_data_source_offer(dnd_drag->data_source, |
Kristian Høgsberg | 735bda2 | 2013-09-09 15:03:27 -0700 | [diff] [blame^] | 444 | text_mime_type); |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 445 | } |
| 446 | |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 447 | wl_data_device_start_drag(input_get_data_device(input), |
| 448 | dnd_drag->data_source, |
Kristian Høgsberg | 75bc667 | 2012-01-10 09:43:58 -0500 | [diff] [blame] | 449 | window_get_wl_surface(dnd->window), |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 450 | dnd_drag->drag_surface, |
Kristian Høgsberg | eae5de7 | 2012-04-11 22:42:15 -0400 | [diff] [blame] | 451 | serial); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 452 | |
Kristian Høgsberg | 5a4e9ff | 2012-06-04 16:04:07 -0400 | [diff] [blame] | 453 | input_set_pointer_image(input, CURSOR_DRAGGING); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 454 | |
Kristian Høgsberg | e9d37bd | 2010-09-02 20:22:42 -0400 | [diff] [blame] | 455 | dnd_drag->opaque = |
| 456 | create_drag_cursor(dnd_drag, item, x, y, 1); |
| 457 | dnd_drag->translucent = |
| 458 | create_drag_cursor(dnd_drag, item, x, y, 0.2); |
Kristian Høgsberg | 1d7ffd3 | 2010-08-25 16:34:05 -0400 | [diff] [blame] | 459 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 460 | if (dnd->self_only) |
| 461 | icon = dnd_drag->opaque; |
| 462 | else |
| 463 | icon = dnd_drag->translucent; |
| 464 | |
| 465 | buffer = display_get_buffer_for_surface(dnd->display, icon); |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 466 | wl_surface_attach(dnd_drag->drag_surface, buffer, |
| 467 | -dnd_drag->hotspot_x, -dnd_drag->hotspot_y); |
Kristian Høgsberg | 679f716 | 2012-03-27 16:44:57 -0400 | [diff] [blame] | 468 | wl_surface_damage(dnd_drag->drag_surface, 0, 0, |
| 469 | dnd_drag->width, dnd_drag->height); |
Pekka Paalanen | c9e00c0 | 2012-10-10 12:49:24 +0300 | [diff] [blame] | 470 | wl_surface_commit(dnd_drag->drag_surface); |
Ander Conselvan de Oliveira | e47c3a3 | 2012-02-15 17:02:58 +0200 | [diff] [blame] | 471 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 472 | dnd->current_drag = dnd_drag; |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 473 | window_schedule_redraw(dnd->window); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 474 | } |
| 475 | } |
| 476 | |
| 477 | static int |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 478 | lookup_cursor(struct dnd *dnd, int x, int y) |
| 479 | { |
| 480 | struct item *item; |
| 481 | |
| 482 | item = dnd_get_item(dnd, x, y); |
| 483 | if (item) |
Ander Conselvan de Oliveira | dc8c8fc | 2012-05-25 16:01:41 +0300 | [diff] [blame] | 484 | return CURSOR_HAND1; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 485 | else |
Ander Conselvan de Oliveira | dc8c8fc | 2012-05-25 16:01:41 +0300 | [diff] [blame] | 486 | return CURSOR_LEFT_PTR; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 487 | } |
| 488 | |
Kristian Høgsberg | bb901fa | 2012-01-09 11:22:32 -0500 | [diff] [blame] | 489 | static int |
Kristian Høgsberg | ac7619f | 2012-01-09 09:26:38 -0500 | [diff] [blame] | 490 | dnd_enter_handler(struct widget *widget, |
Kristian Høgsberg | 80680c7 | 2012-05-10 12:21:37 -0400 | [diff] [blame] | 491 | struct input *input, float x, float y, void *data) |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 492 | { |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 493 | struct dnd *dnd = data; |
| 494 | |
| 495 | dnd->current_drag = NULL; |
| 496 | |
| 497 | return lookup_cursor(dnd, x, y); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | static int |
Kristian Høgsberg | 5f190ef | 2012-01-09 09:44:45 -0500 | [diff] [blame] | 501 | dnd_motion_handler(struct widget *widget, |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 502 | struct input *input, uint32_t time, |
Kristian Høgsberg | 80680c7 | 2012-05-10 12:21:37 -0400 | [diff] [blame] | 503 | float x, float y, void *data) |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 504 | { |
Kristian Høgsberg | 75bc667 | 2012-01-10 09:43:58 -0500 | [diff] [blame] | 505 | return lookup_cursor(data, x, y); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | static void |
| 509 | dnd_data_handler(struct window *window, |
Kristian Høgsberg | eae5de7 | 2012-04-11 22:42:15 -0400 | [diff] [blame] | 510 | struct input *input, |
Kristian Høgsberg | 80680c7 | 2012-05-10 12:21:37 -0400 | [diff] [blame] | 511 | float x, float y, const char **types, void *data) |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 512 | { |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 513 | struct dnd *dnd = data; |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 514 | int i, has_flower = 0; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 515 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 516 | if (!types) |
| 517 | return; |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 518 | for (i = 0; types[i]; i++) |
| 519 | if (strcmp(types[i], flower_mime_type) == 0) |
| 520 | has_flower = 1; |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 521 | |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 522 | if (dnd_get_item(dnd, x, y) || dnd->self_only || !has_flower) { |
Kristian Høgsberg | eae5de7 | 2012-04-11 22:42:15 -0400 | [diff] [blame] | 523 | input_accept(input, NULL); |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 524 | } else { |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 525 | input_accept(input, flower_mime_type); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 526 | } |
| 527 | } |
| 528 | |
| 529 | static void |
| 530 | dnd_receive_func(void *data, size_t len, int32_t x, int32_t y, void *user_data) |
| 531 | { |
| 532 | struct dnd *dnd = user_data; |
| 533 | struct dnd_flower_message *message = data; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 534 | struct item *item; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 535 | struct rectangle allocation; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 536 | |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 537 | if (len == 0) { |
| 538 | return; |
| 539 | } else if (len != sizeof *message) { |
Damien Lespiau | 4df7e27 | 2012-10-26 01:15:44 +0100 | [diff] [blame] | 540 | fprintf(stderr, "odd message length %zu, expected %zu\n", |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 541 | len, sizeof *message); |
| 542 | return; |
| 543 | } |
| 544 | |
Kristian Høgsberg | bb97700 | 2012-01-10 19:11:42 -0500 | [diff] [blame] | 545 | widget_get_allocation(dnd->widget, &allocation); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 546 | item = item_create(dnd->display, |
| 547 | x - message->x_offset - allocation.x, |
| 548 | y - message->y_offset - allocation.y, |
| 549 | message->seed); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 550 | |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 551 | dnd_add_item(dnd, item); |
| 552 | window_schedule_redraw(dnd->window); |
| 553 | } |
| 554 | |
| 555 | static void |
| 556 | dnd_drop_handler(struct window *window, struct input *input, |
| 557 | int32_t x, int32_t y, void *data) |
| 558 | { |
| 559 | struct dnd *dnd = data; |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 560 | struct dnd_flower_message message; |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 561 | |
| 562 | if (dnd_get_item(dnd, x, y)) { |
| 563 | fprintf(stderr, "got 'drop', but no target\n"); |
| 564 | return; |
| 565 | } |
| 566 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 567 | if (!dnd->self_only) { |
| 568 | input_receive_drag_data(input, |
Kristian Høgsberg | 938f102 | 2013-09-04 19:36:49 -0700 | [diff] [blame] | 569 | flower_mime_type, |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 570 | dnd_receive_func, dnd); |
| 571 | } else if (dnd->current_drag) { |
| 572 | message.seed = dnd->current_drag->item->seed; |
| 573 | message.x_offset = dnd->current_drag->x_offset; |
| 574 | message.y_offset = dnd->current_drag->y_offset; |
| 575 | dnd_receive_func(&message, sizeof message, x, y, dnd); |
| 576 | dnd->current_drag = NULL; |
| 577 | } else { |
| 578 | fprintf(stderr, "ignoring drop from another client\n"); |
| 579 | } |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | static struct dnd * |
| 583 | dnd_create(struct display *display) |
| 584 | { |
| 585 | struct dnd *dnd; |
Kristian Høgsberg | 875ab9e | 2012-03-30 11:52:39 -0400 | [diff] [blame] | 586 | int x, y; |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 587 | int32_t width, height; |
Kristian Høgsberg | 875ab9e | 2012-03-30 11:52:39 -0400 | [diff] [blame] | 588 | unsigned int i; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 589 | |
Peter Hutterer | f3d6227 | 2013-08-08 11:57:05 +1000 | [diff] [blame] | 590 | dnd = xzalloc(sizeof *dnd); |
Kristian Høgsberg | 009ac0a | 2012-01-31 15:24:48 -0500 | [diff] [blame] | 591 | dnd->window = window_create(display); |
Kristian Høgsberg | 29af3eb | 2012-01-10 22:41:05 -0500 | [diff] [blame] | 592 | dnd->widget = frame_create(dnd->window, dnd); |
Kristian Høgsberg | 248c1b6 | 2011-01-21 18:03:15 -0500 | [diff] [blame] | 593 | window_set_title(dnd->window, "Wayland Drag and Drop Demo"); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 594 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 595 | dnd->display = display; |
| 596 | dnd->key = 100; |
| 597 | |
| 598 | for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) { |
| 599 | x = (i % 4) * (item_width + item_padding) + item_padding; |
| 600 | y = (i / 4) * (item_height + item_padding) + item_padding; |
| 601 | if ((i ^ (i >> 2)) & 1) |
Joel Teichroeb | 0c007ae | 2010-11-30 10:22:16 -0800 | [diff] [blame] | 602 | dnd->items[i] = item_create(display, x, y, 0); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 603 | else |
| 604 | dnd->items[i] = NULL; |
| 605 | } |
| 606 | |
| 607 | window_set_user_data(dnd->window, dnd); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 608 | window_set_keyboard_focus_handler(dnd->window, |
| 609 | keyboard_focus_handler); |
Kristian Høgsberg | 47fe08a | 2011-10-28 12:26:06 -0400 | [diff] [blame] | 610 | window_set_data_handler(dnd->window, dnd_data_handler); |
| 611 | window_set_drop_handler(dnd->window, dnd_drop_handler); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 612 | |
Kristian Høgsberg | b67e94b | 2012-01-10 12:23:19 -0500 | [diff] [blame] | 613 | widget_set_redraw_handler(dnd->widget, dnd_redraw_handler); |
Kristian Høgsberg | 75bc667 | 2012-01-10 09:43:58 -0500 | [diff] [blame] | 614 | widget_set_enter_handler(dnd->widget, dnd_enter_handler); |
| 615 | widget_set_motion_handler(dnd->widget, dnd_motion_handler); |
| 616 | widget_set_button_handler(dnd->widget, dnd_button_handler); |
Kristian Høgsberg | ac7619f | 2012-01-09 09:26:38 -0500 | [diff] [blame] | 617 | |
Kristian Høgsberg | da846ca | 2011-01-11 10:00:52 -0500 | [diff] [blame] | 618 | width = 4 * (item_width + item_padding) + item_padding; |
| 619 | height = 4 * (item_height + item_padding) + item_padding; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 620 | |
Kristian Høgsberg | a162792 | 2012-06-20 17:30:03 -0400 | [diff] [blame] | 621 | frame_set_child_size(dnd->widget, width, height); |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 622 | |
| 623 | return dnd; |
| 624 | } |
| 625 | |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 626 | int |
| 627 | main(int argc, char *argv[]) |
| 628 | { |
| 629 | struct display *d; |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 630 | struct dnd *dnd; |
| 631 | int i; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 632 | |
Kristian Høgsberg | 4172f66 | 2013-02-20 15:27:49 -0500 | [diff] [blame] | 633 | d = display_create(&argc, argv); |
Yuval Fledel | e9f5e36 | 2010-11-22 21:34:19 +0200 | [diff] [blame] | 634 | if (d == NULL) { |
| 635 | fprintf(stderr, "failed to create display: %m\n"); |
| 636 | return -1; |
| 637 | } |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 638 | |
Ander Conselvan de Oliveira | 08bcf14 | 2012-05-29 10:58:27 +0300 | [diff] [blame] | 639 | dnd = dnd_create(d); |
| 640 | |
| 641 | for (i = 1; i < argc; i++) |
| 642 | if (strcmp("--self-only", argv[i]) == 0) |
| 643 | dnd->self_only = 1; |
Kristian Høgsberg | b8cc24e | 2010-08-18 20:31:06 -0400 | [diff] [blame] | 644 | |
| 645 | display_run(d); |
| 646 | |
| 647 | return 0; |
| 648 | } |