Code

gtk-tpdfv/tpdfview: Added a possibility to reload the PDF file.
[tpdfview.git] / src / tpdfview.c
1 /*
2  * tpdfview - src/tpdfview.c
3  * Copyright (C) 2011 Sebastian 'tokkee' Harl <sh@tokkee.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
28 /*
29  * A tiny PDF viewer.
30  */
32 #if HAVE_CONFIG_H
33 #       include "config.h"
34 #endif /* HAVE_CONFIG_H */
36 #include "tpdfv.h"
37 #include "tpdfv_features.h"
39 #include "gtk-tpdfv.h"
41 #if HAVE_LIBGEN_H
42 #       include <libgen.h>
43 #else /* HAVE_LIBGEN_H */
44 #       define basename(path) (path)
45 #endif /* ! HAVE_LIBGEN_H */
47 #include <assert.h>
49 #include <stdio.h>
50 #include <stdlib.h>
52 #include <string.h>
54 #include <unistd.h>
56 #include <gtk/gtk.h>
57 #include <gdk/gdkkeysyms.h>
59 static void
60 exit_usage(char *name, int status)
61 {
62         printf(
63 "Usage: %s [<options>] <filename>\n"
65 "\nA tiny PDF viewer.\n"
67 "\nOptions:\n"
68 "  -h    display this help and exit\n"
69 "  -V    display the version number and copyright\n"
71 "\ntpdfview "TPDFV_VERSION_STRING TPDFV_VERSION_EXTRA", "PACKAGE_URL"\n"
72 "Copyright (C) 2011 "PACKAGE_MAINTAINER"\n",
73 basename(name));
74         exit(status);
75 } /* exit_usage */
77 static void
78 exit_version(void)
79 {
80         printf("tpdfview version "TPDFV_VERSION_STRING TPDFV_VERSION_EXTRA", "
81                         "built "BUILD_DATE"\n"
82                         "Copyright (C) 2011 "PACKAGE_MAINTAINER"\n"
84                         "\nThis is free software under the terms of the BSD license, see "
85                         "the source for\ncopying conditions. There is NO WARRANTY; not "
86                         "even for MERCHANTABILITY or\nFITNESS FOR A PARTICULAR "
87                         "PURPOSE.\n");
88         exit(0);
89 } /* exit_version */
91 static void
92 on_destroy(GtkWidget __attribute__((unused)) *widget,
93                 gpointer __attribute__((unused)) data)
94 {
95         gtk_main_quit();
96 } /* on_destroy */
98 static gboolean
99 key_press(GtkWidget __attribute__((unused)) *widget,
100                 GdkEventKey *event, gpointer data)
102         GtkWidget *tpdfv;
104         tpdfv = (GtkWidget *)data;
105         assert(tpdfv);
107         switch (event->keyval) {
108                 case GDK_q:
109                         gtk_main_quit();
110                         break;
112                 case GDK_r:
113                         gtk_tpdfv_reload(tpdfv);
114                         break;
116                 /* navigation */
117                 case GDK_Page_Up:
118                         gtk_tpdfv_page_up(tpdfv);
119                         break;
120                 case GDK_Page_Down:
121                         /* fall through */
122                 case GDK_space:
123                         gtk_tpdfv_page_down(tpdfv);
124                         break;
125                 case GDK_Home:
126                         gtk_tpdfv_first_page(tpdfv);
127                         break;
128                 case GDK_End:
129                         gtk_tpdfv_last_page(tpdfv);
130                         break;
132                 /* zoom */
133                 case GDK_plus:
134                         gtk_tpdfv_zoom_in(tpdfv);
135                         break;
136                 case GDK_minus:
137                         gtk_tpdfv_zoom_out(tpdfv);
138                         break;
139                 case GDK_1:
140                         gtk_tpdfv_zoom_1(tpdfv);
141                         break;
142                 case GDK_w:
143                         gtk_tpdfv_zoom_width(tpdfv);
144                         break;
145                 case GDK_h:
146                         gtk_tpdfv_zoom_height(tpdfv);
147                         break;
148                 case GDK_z:
149                         gtk_tpdfv_zoom_fit(tpdfv);
150                         break;
152                 /* scrolling */
153                 case GDK_Up:
154                         gtk_tpdfv_scroll_up(tpdfv);
155                         break;
156                 case GDK_Down:
157                         gtk_tpdfv_scroll_down(tpdfv);
158                         break;
159                 case GDK_Left:
160                         gtk_tpdfv_scroll_left(tpdfv);
161                         break;
162                 case GDK_Right:
163                         gtk_tpdfv_scroll_right(tpdfv);
164                         break;
165         }
166         return FALSE;
167 } /* key_press */
169 int
170 main(int argc, char **argv)
172         GtkWidget *win   = NULL;
173         GtkWidget *tpdfv = NULL;
175         char win_title[1024];
177         GdkColor bg_color;
179         char *filename;
181         gtk_init(&argc, &argv);
183         while (42) {
184                 int opt = getopt(argc, argv, "hV");
186                 if (-1 == opt)
187                         break;
189                 switch (opt) {
190                         case 'h':
191                                 exit_usage(argv[0], 0);
192                                 break;
193                         case 'V':
194                                 exit_version();
195                                 break;
196                         default:
197                                 exit_usage(argv[0], 1);
198                 }
199         }
201         if (argc - optind != 1) {
202                 fprintf(stderr, "%s: missing filename\n", argv[0]);
203                 exit_usage(argv[0], 1);
204         }
206         filename = argv[optind];
208         tpdfv = gtk_tpdfv_new(filename);
209         if (! tpdfv)
210                 return 1;
212         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
213         if (! win)
214                 return 1;
216         snprintf(win_title, sizeof(win_title), "tpdfview: %s",
217                         basename(filename));
218         gtk_window_set_title(GTK_WINDOW(win), win_title);
220         gtk_container_add(GTK_CONTAINER(win), tpdfv);
222         g_signal_connect(G_OBJECT(win), "destroy",
223                         G_CALLBACK(on_destroy), NULL);
224         g_signal_connect(G_OBJECT(win), "key-press-event",
225                         G_CALLBACK(key_press), tpdfv);
227         /* TODO: use resource file */
228         gdk_color_parse("#000000", &bg_color);
229         gtk_widget_modify_bg(tpdfv, GTK_STATE_NORMAL, &bg_color);
231         gtk_widget_show_all(win);
233         gtk_main();
234         return 0;
235 } /* main */
237 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */