app/defaults.c

   1 /* Dia -- an diagram creation/manipulation program
   2  * Copyright (C) 1999 Alexander Larsson
   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, Boston, MA 02111-1307, USA.
  17  */
  18
  19 #include <config.h>
  20
  21 #ifdef GNOME
  22 #  include <gnome.h>
  23 #else
  24 #  include <gtk/gtk.h>
  25 #endif
  26
  27 #include "defaults.h"
  28 #include "intl.h"
  29 #include "properties.h"
  30 #include "object_ops.h"
  31 #include "connectionpoint_ops.h"
  32
  33 static GtkWidget *dialog = NULL;
  34 static GtkWidget *dialog_vbox = NULL;
  35 static GtkWidget *object_part = NULL;
  36 static ObjectType *current_objtype = NULL;
  37
  38 static GtkWidget *no_defaults_dialog = NULL;
  39
  40 static gint defaults_apply(GtkWidget *canvas, gpointer data);
  41 static gint defaults_close(GtkWidget *canvas, gpointer data);
  42
  43 static void create_dialog()
  44 {
  45 #ifndef GNOME
  46   GtkWidget *button;
  47 #endif
  48
  49 #ifdef GNOME
  50   dialog = gnome_dialog_new(_("Object defaults"),
  51                             GNOME_STOCK_BUTTON_APPLY,
  52                             GNOME_STOCK_BUTTON_CLOSE, NULL);
  53   gnome_dialog_set_default(GNOME_DIALOG(dialog), 0);
  54
  55   dialog_vbox = GNOME_DIALOG(dialog)->vbox;
  56 #else
  57   dialog = gtk_dialog_new();
  58   gtk_window_set_title (GTK_WINDOW (dialog), _("Object defaults"));
  59   gtk_container_set_border_width (GTK_CONTAINER (dialog), 2);
  60
  61   dialog_vbox = GTK_DIALOG (dialog)->vbox;
  62 #endif
  63
  64   gtk_window_set_wmclass (GTK_WINDOW (dialog),
  65                           "defaults_window", "Dia");
  66   gtk_window_set_policy (GTK_WINDOW (dialog),
  67                          FALSE, TRUE, TRUE);
  68
  69 #ifdef GNOME
  70   gnome_dialog_button_connect(GNOME_DIALOG(dialog), 0,
  71                               GTK_SIGNAL_FUNC(defaults_apply), NULL);
  72   gnome_dialog_button_connect(GNOME_DIALOG(dialog), 1,
  73                               GTK_SIGNAL_FUNC(defaults_close), NULL);
  74 #else
  75   button = gtk_button_new_with_label (_("Apply"));
  76   GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
  77   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area),
  78                       button, TRUE, TRUE, 0);
  79   gtk_signal_connect (GTK_OBJECT (button), "clicked",
  80                       GTK_SIGNAL_FUNC(defaults_apply),
  81                       NULL);
  82   gtk_widget_grab_default (button);
  83   gtk_widget_show (button);
  84
  85   button = gtk_button_new_with_label (_("Close"));
  86   GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
  87   gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area),
  88                       button, TRUE, TRUE, 0);
  89   gtk_signal_connect (GTK_OBJECT (button), "clicked",
  90                       GTK_SIGNAL_FUNC(defaults_close),
  91                       NULL);
  92   gtk_widget_show (button);
  93 #endif
  94
  95   gtk_signal_connect (GTK_OBJECT (dialog), "delete_event",
  96                       GTK_SIGNAL_FUNC(gtk_widget_hide), NULL);
  97
  98   no_defaults_dialog = gtk_label_new(_("This object has no defaults."));
  99   gtk_widget_show (no_defaults_dialog);
 100
 101   gtk_widget_ref(no_defaults_dialog);
 102   gtk_object_sink(GTK_OBJECT(no_defaults_dialog));
 103 }
 104
 105 static gint
 106 defaults_dialog_destroyed(GtkWidget *dialog, gpointer data)
 107 {
 108   if (dialog == object_part) {
 109     object_part = NULL;
 110     current_objtype = NULL;
 111   }
 112   return 0;
 113 }
 114
 115 static gint
 116 defaults_apply(GtkWidget *canvas, gpointer data)
 117 {
 118   if (current_objtype != NULL) {
 119     current_objtype->ops->apply_defaults();
 120   }
 121   return 0;
 122 }
 123
 124 static gint
 125 defaults_close(GtkWidget *canvas, gpointer data)
 126 {
 127   gtk_widget_hide(dialog);
 128   return 0;
 129 }
 130
 131 void
 132 defaults_show(ObjectType *objtype)
 133 {
 134   GtkWidget *defaults;
 135
 136   if ((objtype != NULL) && (objtype->ops->get_defaults != NULL)) {
 137     defaults = objtype->ops->get_defaults();
 138   } else {
 139     defaults = NULL;
 140   }
 141
 142   if (dialog == NULL)
 143     create_dialog();
 144
 145   if ((objtype==NULL) || (defaults == NULL)) {
 146     /* No defaults or no object */
 147     defaults = no_defaults_dialog;
 148     objtype = NULL;
 149   }
 150
 151   if (object_part != NULL) {
 152     gtk_container_remove(GTK_CONTAINER(dialog_vbox), object_part);
 153     object_part = NULL;
 154   }
 155   gtk_signal_connect (GTK_OBJECT (defaults), "destroy",
 156                       GTK_SIGNAL_FUNC(defaults_dialog_destroyed), NULL);
 157   gtk_box_pack_start(GTK_BOX(dialog_vbox), defaults, TRUE, TRUE, 0);
 158   gtk_widget_show (defaults);
 159   gtk_widget_show (dialog);
 160   object_part = defaults;
 161   current_objtype = objtype;
 162 }