blob: 1a345e60ddc83da7d975233566bf1e115b40c348 [file] [log] [blame]
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -04001/*
2 * Copyright © 2008 Kristian Høgsberg
3 * Copyright © 2009 Chris Wilson
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 <string.h>
28#include <fcntl.h>
29#include <unistd.h>
30#include <math.h>
31#include <time.h>
32#include <cairo.h>
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040033#include <glib.h>
Eugeni Dodonov397b9082011-10-24 13:49:38 -020034#include <gio/gio.h>
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040035#include <linux/input.h>
36
37#include <glib/poppler-document.h>
38#include <glib/poppler-page.h>
39
Pekka Paalanen50719bc2011-11-22 14:18:50 +020040#include <wayland-client.h>
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040041
42#include "window.h"
43
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040044struct view {
45 struct window *window;
46 struct display *display;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040047
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040048 PopplerDocument *document;
49 int page;
50 int fullscreen;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040051};
52
53static void
54view_draw(struct view *view)
55{
Kristian Høgsbergda846ca2011-01-11 10:00:52 -050056 struct rectangle allocation;
Kristian Høgsberg09531622010-06-14 23:22:15 -040057 cairo_surface_t *surface;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040058 cairo_t *cr;
59 PopplerPage *page;
60 double width, height, doc_aspect, window_aspect, scale;
61
Kristian Høgsbergb3bef622011-05-13 13:52:18 -040062 if (view->fullscreen)
63 window_set_transparent(view->window, 0);
64 else
65 window_set_transparent(view->window, 1);
66
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040067 window_draw(view->window);
68
Kristian Høgsbergda846ca2011-01-11 10:00:52 -050069 window_get_child_allocation(view->window, &allocation);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040070
Kristian Høgsberg09531622010-06-14 23:22:15 -040071 surface = window_get_surface(view->window);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040072
Kristian Høgsberg09531622010-06-14 23:22:15 -040073 cr = cairo_create(surface);
Kristian Høgsbergda846ca2011-01-11 10:00:52 -050074 cairo_rectangle(cr, allocation.x, allocation.y,
75 allocation.width, allocation.height);
Kristian Høgsberg09531622010-06-14 23:22:15 -040076 cairo_clip(cr);
77
Tim Wiederhake6685ace2011-01-25 22:21:59 +010078 cairo_set_source_rgba(cr, 0, 0, 0, 0.8);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040079 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
80 cairo_paint(cr);
Tim Wiederhake6685ace2011-01-25 22:21:59 +010081
82 if(!view->document) {
83 cairo_destroy(cr);
84 cairo_surface_destroy(surface);
85 window_flush(view->window);
86 return;
87 }
88
89 page = poppler_document_get_page(view->document, view->page);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040090 poppler_page_get_size(page, &width, &height);
91 doc_aspect = width / height;
Kristian Høgsbergda846ca2011-01-11 10:00:52 -050092 window_aspect = (double) allocation.width / allocation.height;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040093 if (doc_aspect < window_aspect)
Kristian Høgsbergda846ca2011-01-11 10:00:52 -050094 scale = allocation.height / height;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040095 else
Kristian Høgsbergda846ca2011-01-11 10:00:52 -050096 scale = allocation.width / width;
97 cairo_translate(cr, allocation.x, allocation.y);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -040098 cairo_scale(cr, scale, scale);
99 cairo_translate(cr,
Kristian Høgsbergda846ca2011-01-11 10:00:52 -0500100 (allocation.width - width * scale) / 2 / scale,
101 (allocation.height - height * scale) / 2 / scale);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400102 cairo_rectangle(cr, 0, 0, width, height);
103 cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
104 cairo_set_source_rgb(cr, 1, 1, 1);
105 cairo_fill(cr);
106 poppler_page_render(page, cr);
107 cairo_destroy(cr);
Tim Wiederhake80bf6f72011-01-25 22:22:00 +0100108 cairo_surface_destroy(surface);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400109 g_object_unref(G_OBJECT(page));
Kristian Høgsberg9d69f8e2010-09-03 14:46:38 -0400110 window_flush(view->window);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400111}
112
Kristian Høgsberg80d746f2010-06-14 23:52:50 -0400113static void
114redraw_handler(struct window *window, void *data)
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400115{
116 struct view *view = data;
117
118 view_draw(view);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400119}
120
121static void
Kristian Høgsberg12283cc2011-05-13 13:51:13 -0400122resize_handler(struct window *window,
123 int32_t width, int32_t height, void *data)
124{
125 struct view *view = data;
126
127 window_set_child_size(view->window, width, height);
128 window_schedule_redraw(window);
129}
130
131static void
Tim Wiederhake655467a2011-01-25 22:21:57 +0100132view_page_up(struct view *view)
133{
134 if(view->page <= 0)
135 return;
136
137 view->page--;
138 window_schedule_redraw(view->window);
139}
140
141static void
142view_page_down(struct view *view)
143{
Tim Wiederhake6685ace2011-01-25 22:21:59 +0100144 if(!view->document ||
145 view->page >= poppler_document_get_n_pages(view->document) - 1) {
Tim Wiederhake655467a2011-01-25 22:21:57 +0100146 return;
Tim Wiederhake6685ace2011-01-25 22:21:59 +0100147 }
Tim Wiederhake655467a2011-01-25 22:21:57 +0100148
149 view->page++;
150 window_schedule_redraw(view->window);
151}
152
153static void
154button_handler(struct window *window, struct input *input, uint32_t time,
155 int button, int state, void *data)
156{
Kristian Høgsberga8a0db32012-01-09 11:12:05 -0500157 struct window *window = data;
158a struct view *view = window_get_user_data(window);
Tim Wiederhake655467a2011-01-25 22:21:57 +0100159
160 if(!state)
161 return;
162
163 switch(button) {
164 case 275:
165 view_page_up(view);
166 break;
167 case 276:
168 view_page_down(view);
169 break;
170 default:
171 break;
172 }
173}
174
175static void
Kristian Høgsberg67cac8a2011-01-19 14:20:33 -0500176key_handler(struct window *window, struct input *input, uint32_t time,
177 uint32_t key, uint32_t unicode, uint32_t state, void *data)
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400178{
179 struct view *view = data;
180
Tim Wiederhake655467a2011-01-25 22:21:57 +0100181 if(!state)
182 return;
183
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400184 switch (key) {
185 case KEY_F11:
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400186 view->fullscreen ^= 1;
187 window_set_fullscreen(window, view->fullscreen);
Kristian Høgsberg80d746f2010-06-14 23:52:50 -0400188 window_schedule_redraw(view->window);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400189 break;
190 case KEY_SPACE:
191 case KEY_PAGEDOWN:
Tim Wiederhake655467a2011-01-25 22:21:57 +0100192 case KEY_RIGHT:
193 case KEY_DOWN:
194 view_page_down(view);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400195 break;
196 case KEY_BACKSPACE:
197 case KEY_PAGEUP:
Tim Wiederhake655467a2011-01-25 22:21:57 +0100198 case KEY_LEFT:
199 case KEY_UP:
200 view_page_up(view);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400201 break;
202 default:
203 break;
204 }
205}
206
207static void
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400208keyboard_focus_handler(struct window *window,
Kristian Høgsberg43788b12010-07-28 23:50:12 -0400209 struct input *device, void *data)
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400210{
211 struct view *view = data;
Kristian Høgsberg80d746f2010-06-14 23:52:50 -0400212 window_schedule_redraw(view->window);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400213}
214
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400215static struct view *
Kristian Høgsberg393d47a2011-05-13 13:54:19 -0400216view_create(struct display *display,
217 uint32_t key, const char *filename, int fullscreen)
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400218{
219 struct view *view;
220 gchar *basename;
221 gchar *title;
Tim Wiederhake9aad08e2011-01-25 22:21:58 +0100222 GFile *file = NULL;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400223 GError *error = NULL;
224
225 view = malloc(sizeof *view);
226 if (view == NULL)
227 return view;
228 memset(view, 0, sizeof *view);
229
Tim Wiederhake9aad08e2011-01-25 22:21:58 +0100230 file = g_file_new_for_commandline_arg(filename);
231 basename = g_file_get_basename(file);
232 if(!basename) {
233 title = "Wayland View";
234 } else {
235 title = g_strdup_printf("Wayland View - %s", basename);
236 g_free(basename);
237 }
238
239 view->document = poppler_document_new_from_file(g_file_get_uri(file),
240 NULL, &error);
241
242 if(error) {
243 title = "File not found";
Tim Wiederhake9aad08e2011-01-25 22:21:58 +0100244 }
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400245
Kristian Høgsberg248c1b62011-01-21 18:03:15 -0500246 view->window = window_create(display, 500, 400);
247 window_set_title(view->window, title);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400248 view->display = display;
249
Kristian Høgsbergc8c37342010-06-25 11:19:22 -0400250 window_set_user_data(view->window, view);
251 window_set_redraw_handler(view->window, redraw_handler);
Kristian Høgsberg12283cc2011-05-13 13:51:13 -0400252 window_set_resize_handler(view->window, resize_handler);
Kristian Høgsbergc8c37342010-06-25 11:19:22 -0400253 window_set_key_handler(view->window, key_handler);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400254 window_set_keyboard_focus_handler(view->window,
Kristian Høgsbergc8c37342010-06-25 11:19:22 -0400255 keyboard_focus_handler);
Kristian Høgsberga8a0db32012-01-09 11:12:05 -0500256 widget_set_button_handler(window_get_widget(view->window),
257 button_handler);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400258 view->page = 0;
Kristian Høgsberg393d47a2011-05-13 13:54:19 -0400259
260 view->fullscreen = fullscreen;
261 window_set_fullscreen(view->window, view->fullscreen);
262
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400263 view_draw(view);
264
265 return view;
266}
267
Kristian Høgsberg393d47a2011-05-13 13:54:19 -0400268static int option_fullscreen;
269
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400270static const GOptionEntry option_entries[] = {
Kristian Høgsberg393d47a2011-05-13 13:54:19 -0400271 { "fullscreen", 'f', 0, G_OPTION_ARG_NONE,
272 &option_fullscreen, "Run in fullscreen mode" },
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400273 { NULL }
274};
275
276int
277main(int argc, char *argv[])
278{
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400279 struct display *d;
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400280 int i;
281
Benjamin Franzke4b87a132011-09-01 10:36:16 +0200282 d = display_create(&argc, &argv, option_entries);
Yuval Fledele9f5e362010-11-22 21:34:19 +0200283 if (d == NULL) {
284 fprintf(stderr, "failed to create display: %m\n");
285 return -1;
286 }
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400287
Kristian Høgsberg00439612011-01-25 15:16:01 -0500288 for (i = 1; i < argc; i++)
Kristian Høgsberg393d47a2011-05-13 13:54:19 -0400289 view_create (d, i, argv[i], option_fullscreen);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400290
Kristian Høgsberg7824d812010-06-08 14:59:44 -0400291 display_run(d);
Kristian Høgsberg8f2f7732009-09-21 13:46:45 -0400292
293 return 0;
294}