src/ui/glade.c

   1 /*
   2  * Copyright (C) 2008 Liam Girdwood
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #include <string.h>
  25 #include <gtk/gtk.h>
  26 #include <glade/glade.h>
  27 #include <errno.h>
  28
  29 /*
  30  * Glade dialogs
  31  */
  32
  33 struct ui_glade {
  34         gchar *glade_file;
  35         const gchar *name;
  36         GtkWidget *widget;
  37         GladeXML *xml;
  38 };
  39
  40 /* needed for linking and glade signal connection */
  41 extern const gchar date_time_name[];
  42 extern const gchar catalog_name[];
  43 extern const gchar deep_sky_name[];
  44 extern const gchar markers_name[];
  45 extern const gchar observer_name[];
  46 extern const gchar solar_system_name[];
  47
  48 static struct ui_glade splash[] = {
  49         {"/splash.glade",               "Splash",               NULL, NULL},
  50 };
  51
  52 static struct ui_glade ui[] = {
  53         {"/date-time-dlg.glade",        date_time_name, NULL, NULL},
  54         {"/observer-dlg.glade",         observer_name,  NULL, NULL},
  55         {"/sky-catalog-dlg.glade",      catalog_name,   NULL, NULL},
  56         {"/sky-deep-dlg.glade",         deep_sky_name,  NULL, NULL},
  57         {"/sky-near-dlg.glade",         solar_system_name,      NULL, NULL},
  58         {"/sky-markers-dlg.glade",      markers_name,   NULL, NULL},
  59 };
  60
  61 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
  62
  63 gint ui_init(void)
  64 {
  65         gint i;
  66
  67         for (i = 0; i < ARRAY_SIZE(ui); i++) {
  68                 GString *interface = NULL;
  69
  70                 if (ui[i].widget)
  71                         continue;
  72
  73                 interface = g_string_new(NOVA_GLADE_DIR);
  74                 interface = g_string_append(interface, ui[i].glade_file);
  75
  76                 g_print("%s: loading %s\n", __func__, interface->str);
  77                 ui[i].xml = glade_xml_new(interface->str, ui[i].name, NULL);
  78
  79                 g_string_free(interface, TRUE);
  80
  81                 if (!ui[i].xml) {
  82                         g_critical("%s: failed to load\n", __func__);
  83                         return -EINVAL;
  84                 }
  85
  86                 glade_xml_signal_autoconnect(ui[i].xml);
  87                 ui[i].widget = glade_xml_get_widget(ui[i].xml, ui[i].name);
  88
  89                 if (!ui[i].widget) {
  90                         g_critical("%s: failed to get widget %s\n", __func__,
  91                                 ui[i].name);
  92                         return -EINVAL;
  93                 }
  94
  95         }
  96         return 0;
  97 }
  98
  99 GtkWidget* ui_get_dialog(gchar* name)
 100 {
 101         gint i;
 102
 103         if (ui_init()) {
 104                 g_critical("%s: can't load glade UI files", __func__);
 105                 return NULL;
 106         }
 107
 108         for (i = 0; i < ARRAY_SIZE(ui); i++) {
 109                 if (!strcmp(name, ui[i].name))
 110                         return ui[i].widget;
 111         }
 112
 113         g_critical("%s: can't find glade UI %s", __func__, name);
 114         return NULL;
 115 }
 116
 117 void ui_put_dialog(gchar* name)
 118 {
 119         gint i = 0;
 120
 121         for (i = 0; i < ARRAY_SIZE(ui); i++) {
 122                 if (!strcmp(name, ui[i].name)) {
 123                         ui[i].widget = NULL;
 124                         g_object_unref(ui[i].xml);
 125                         return;
 126                 }
 127         }
 128         g_critical("%s: can't find glade UI %s", __func__, name);
 129 }