glade.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  * DESCRIPTION:
   5  *  libglade helpers
   6  *
   7  * LICENSE:
   8  *  GNU GENERAL PUBLIC LICENSE version 2
   9  *
  10  *****************************************************************************/
  11
  12 #include <stdlib.h>
  13 #include <gtk/gtk.h>
  14 #include <glade/glade.h>
  15
  16 #include "glade.h"
  17 #include "path.h"
  18
  19 static void
  20 glade_signal_connect_func(
  21   const gchar *cb_name, GObject *obj,
  22   const gchar *signal_name, const gchar *signal_data,
  23   GObject *conn_obj, gboolean conn_after,
  24   gpointer user_data)
  25 {
  26   /** Module with all the symbols of the program */
  27   static GModule *mod_self = NULL;
  28   gpointer handler_func;
  29
  30   /* initialize gmodule */
  31   if (mod_self == NULL)
  32   {
  33     mod_self = g_module_open(NULL, 0);
  34     g_assert(mod_self != NULL);
  35   }
  36
  37 /*   g_print("glade_signal_connect_func:" */
  38 /*           " cb_name = '%s', signal_name = '%s', " */
  39 /*           "signal_data = '%s', obj = 0x%08X, conn_after = %s\n", */
  40 /*           cb_name, signal_name, */
  41 /*           signal_data, (unsigned int)obj, conn_after?"true":"false"); */
  42
  43   if (g_module_symbol(mod_self, cb_name, &handler_func))
  44   {
  45     /* found callback */
  46     if (conn_obj)
  47     {
  48       if (conn_after)
  49       {
  50         g_signal_connect_object(
  51           obj,
  52           signal_name,
  53           handler_func,
  54           conn_obj,
  55           G_CONNECT_AFTER);
  56       }
  57       else
  58       {
  59         g_signal_connect_object(
  60           obj,
  61           signal_name,
  62           handler_func,
  63           conn_obj,
  64           G_CONNECT_SWAPPED);
  65       }
  66     }
  67     else
  68     {
  69       /* no conn_obj; use standard connect */
  70       gpointer data = NULL;
  71
  72       data = user_data;
  73
  74       if (conn_after)
  75       {
  76         g_signal_connect_after(
  77           obj,
  78           signal_name,
  79           handler_func,
  80           data);
  81       }
  82       else
  83       {
  84         g_signal_connect(
  85           obj,
  86           signal_name,
  87           handler_func,
  88           data);
  89       }
  90     }
  91   }
  92   else
  93   {
  94     g_warning("callback function not found: %s", cb_name);
  95   }
  96 }
  97
  98 GtkWidget *
  99 construct_glade_widget(
 100   const gchar * id)
 101 {
 102   gchar * glade_filename;
 103   GtkWidget * widget;
 104   GladeXML * xml;
 105
 106   glade_filename = path_get_data_filename("gmidimonitor.glade");
 107   if (glade_filename == NULL)
 108   {
 109     g_warning("Cannot find glade UI description file.");
 110     exit(1);
 111   }
 112
 113   /* load the interface */
 114   xml = glade_xml_new(glade_filename, id, NULL);
 115
 116   g_free(glade_filename);
 117
 118   widget = glade_xml_get_widget(xml, id);
 119
 120   /* connect the signals in the interface */
 121   glade_xml_signal_autoconnect_full(
 122     xml,
 123     (GladeXMLConnectFunc)glade_signal_connect_func,
 124     widget);
 125
 126   return widget;
 127 }
 128
 129 GtkWidget *
 130 get_glade_widget_child(
 131   GtkWidget * root,
 132   const gchar * id)
 133 {
 134   GladeXML * xml;
 135   GtkWidget * widget;
 136
 137   xml = glade_get_widget_tree(root);
 138
 139   widget = glade_xml_get_widget(xml, id);
 140
 141   return widget;
 142 }