src/window.c

   1 /*
   2  * Geeqie
   3  * Copyright (C) 2008 The Geeqie Team
   4  *
   5  * Authors: Vladimir Nadvornik / Laurent Monin
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "window.h"
  14
  15 #include "pixbuf_util.h"
  16 #include "ui_fileops.h"
  17 #include "ui_help.h"
  18
  19 GtkWidget *window_new(GtkWindowType type, const gchar *name, const gchar *icon,
  20                       const gchar *icon_file, const gchar *subtitle)
  21 {
  22         gchar *title;
  23         GtkWidget *window;
  24
  25         window = gtk_window_new(type);
  26         if (!window) return NULL;
  27
  28         if (subtitle)
  29                 {
  30                 title = g_strdup_printf("%s - %s", subtitle, GQ_APPNAME);
  31                 }
  32         else
  33                 {
  34                 title = g_strdup_printf("%s", GQ_APPNAME);
  35                 }
  36
  37         gtk_window_set_title(GTK_WINDOW(window), title);
  38         g_free(title);
  39
  40         window_set_icon(window, icon, icon_file);
  41         gtk_window_set_role(GTK_WINDOW(window), name);
  42         gtk_window_set_wmclass(GTK_WINDOW(window), name, GQ_WMCLASS);
  43
  44         return window;
  45 }
  46
  47 void window_set_icon(GtkWidget *window, const gchar *icon, const gchar *file)
  48 {
  49         if (!icon && !file) icon = PIXBUF_INLINE_ICON;
  50
  51         if (icon)
  52                 {
  53                 GdkPixbuf *pixbuf;
  54
  55                 pixbuf = pixbuf_inline(icon);
  56                 if (pixbuf)
  57                         {
  58                         gtk_window_set_icon(GTK_WINDOW(window), pixbuf);
  59                         g_object_unref(pixbuf);
  60                         }
  61                 }
  62         else
  63                 {
  64                 gtk_window_set_icon_from_file(GTK_WINDOW(window), file, NULL);
  65                 }
  66 }
  67
  68 gint window_maximized(GtkWidget *window)
  69 {
  70         GdkWindowState state;
  71
  72         if (!window || !window->window) return FALSE;
  73
  74         state = gdk_window_get_state(window->window);
  75         return (state & GDK_WINDOW_STATE_MAXIMIZED);
  76 }
  77
  78 /*
  79  *-----------------------------------------------------------------------------
  80  * Open  browser with the help Documentation
  81  *-----------------------------------------------------------------------------
  82  */
  83
  84 static gchar *command_result(const gchar *binary, const gchar *command)
  85 {
  86         gchar *result = NULL;
  87         FILE *f;
  88         char buf[2048];
  89         int l;
  90
  91         if (!binary) return NULL;
  92         if (!file_in_path(binary)) return NULL;
  93
  94         if (!command) return g_strdup(binary);
  95         if (command[0] == '!') return g_strdup(command + 1);
  96
  97         f = popen(command, "r");
  98         if (!f) return NULL;
  99
 100         while ((l = fread(buf, sizeof(char), sizeof(buf), f)) > 0)
 101                 {
 102                 if (!result)
 103                         {
 104                         int n = 0;
 105
 106                         while (n < l && buf[n] != '\n' && buf[n] != '\r') n++;
 107                         if (n > 0) result = g_strndup(buf, n);
 108                         }
 109                 }
 110
 111         pclose(f);
 112
 113         return result;
 114 }
 115
 116 static void help_browser_command(const gchar *command, const gchar *path)
 117 {
 118         gchar *result;
 119         gchar *buf;
 120         gchar *begin;
 121         gchar *end;
 122
 123         if (!command || !path) return;
 124
 125         DEBUG_1("Help command pre \"%s\", \"%s\"", command, path);
 126
 127         buf = g_strdup(command);
 128         begin = strstr(buf, "%s");
 129         if (begin)
 130                 {
 131                 *begin = '\0';
 132                 end = begin + 2;
 133                 begin = buf;
 134
 135                 result = g_strdup_printf("%s%s%s &", begin, path, end);
 136                 }
 137         else
 138                 {
 139                 result = g_strdup_printf("%s \"%s\" &", command, path);
 140                 }
 141         g_free(buf);
 142
 143         DEBUG_1("Help command post [%s]", result);
 144
 145         system(result);
 146
 147         g_free(result);
 148 }
 149
 150 /*
 151  * each set of 2 strings is one browser:
 152  *   the 1st is the binary to look for in the path
 153  *   the 2nd has 3 capabilities:
 154  *        NULL     exec binary with html file path as command line
 155  *        string   exec string and use results for command line
 156  *        !string  use text following ! as command line, replacing optional %s with html file path
 157 */
 158 static gchar *html_browsers[] =
 159 {
 160         /* Redhat has a nifty htmlview script to start the user's preferred browser */
 161         "htmlview",     NULL,
 162         /* GNOME 2 */
 163         "gconftool-2",  "gconftool-2 -g /desktop/gnome/url-handlers/http/command",
 164         /* KDE */
 165         "kfmclient",    "!kfmclient exec \"%s\"",
 166         /* use fallbacks */
 167         "firefox",      NULL,
 168         "mozilla",      NULL,
 169         "konqueror",    NULL,
 170         "netscape",     NULL,
 171         NULL,           NULL
 172 };
 173
 174 static void help_browser_run(void)
 175 {
 176         gchar *result = NULL;
 177         gint i;
 178
 179         i = 0;
 180         while (!result && html_browsers[i])
 181                 {
 182                 result = command_result(html_browsers[i], html_browsers[i+1]);
 183                 i += 2;
 184                 }
 185
 186         if (!result)
 187                 {
 188                 log_printf("Unable to detect an installed browser.\n");
 189                 return;
 190                 }
 191
 192         help_browser_command(result, GQ_HTMLDIR "/index.html");
 193
 194         g_free(result);
 195 }
 196
 197 /*
 198  *-----------------------------------------------------------------------------
 199  * help window
 200  *-----------------------------------------------------------------------------
 201  */
 202
 203 static GtkWidget *help_window = NULL;
 204
 205 static void help_window_destroy_cb(GtkWidget *window, gpointer data)
 206 {
 207         help_window = NULL;
 208 }
 209
 210 void help_window_show(const gchar *key)
 211 {
 212         if (key && strcmp(key, "html_contents") == 0)
 213                 {
 214                 help_browser_run();
 215                 return;
 216                 }
 217
 218         if (help_window)
 219                 {
 220                 gtk_window_present(GTK_WINDOW(help_window));
 221                 if (key) help_window_set_key(help_window, key);
 222                 return;
 223                 }
 224
 225         help_window = help_window_new(_("Help"), GQ_WMCLASS, "help",
 226                                       GQ_HELPDIR "/README", key);
 227
 228         g_signal_connect(G_OBJECT(help_window), "destroy",
 229                          G_CALLBACK(help_window_destroy_cb), NULL);
 230 }
 231