tests/testbbox.c

   1 /*
   2  * Copyright (C) 2006 Nokia Corporation.
   3  * Author: Xan Lopez <xan.lopez@nokia.com>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License
   7  * version 2.1 as published by the Free Software Foundation.
   8  *
   9  * This library is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  *
  19  */
  20
  21 #include <gtk/gtk.h>
  22
  23 #define N_BUTTONS 3
  24
  25 GtkWidget *bbox = NULL;
  26 GtkWidget *hbbox = NULL, *vbbox = NULL;
  27
  28 static const char* styles[] = { "GTK_BUTTONBOX_DEFAULT_STYLE",
  29                                 "GTK_BUTTONBOX_SPREAD",
  30                                 "GTK_BUTTONBOX_EDGE",
  31                                 "GTK_BUTTONBOX_START",
  32                                 "GTK_BUTTONBOX_END",
  33                                 "GTK_BUTTONBOX_CENTER",
  34                                 NULL};
  35
  36 static const char* types[] = { "GtkHButtonBox",
  37                                "GtkVButtonBox",
  38                                NULL};
  39
  40 static void
  41 populate_combo_with (GtkComboBox *combo, const char** elements)
  42 {
  43   int i;
  44
  45   for (i = 0; elements[i] != NULL; i++) {
  46     gtk_combo_box_append_text (combo, elements[i]);
  47   }
  48
  49   gtk_combo_box_set_active (combo, 0);
  50 }
  51
  52 static void
  53 combo_changed_cb (GtkComboBox *combo,
  54                   gpointer user_data)
  55 {
  56   char *text;
  57   int i;
  58
  59   text = gtk_combo_box_get_active_text (combo);
  60
  61   for (i = 0; styles[i]; i++) {
  62     if (g_str_equal (text, styles[i])) {
  63       gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), (GtkButtonBoxStyle)i);
  64     }
  65   }
  66 }
  67
  68 static void
  69 reparent_widget (GtkWidget *widget,
  70                  GtkWidget *old_parent,
  71                  GtkWidget *new_parent)
  72 {
  73   g_object_ref (widget);
  74   gtk_container_remove (GTK_CONTAINER (old_parent), widget);
  75   gtk_container_add (GTK_CONTAINER (new_parent), widget);
  76   g_object_unref (widget);
  77 }
  78
  79 static void
  80 combo_types_changed_cb (GtkComboBox *combo,
  81                         GtkWidget **buttons)
  82 {
  83   int i;
  84   char *text;
  85   GtkWidget *old_parent, *new_parent;
  86   GtkButtonBoxStyle style;
  87
  88   text = gtk_combo_box_get_active_text (combo);
  89
  90   if (g_str_equal (text, "GtkHButtonBox")) {
  91     old_parent = vbbox;
  92     new_parent = hbbox;
  93   } else {
  94     old_parent = hbbox;
  95     new_parent = vbbox;
  96   }
  97
  98   bbox = new_parent;
  99
 100   for (i = 0; i < N_BUTTONS; i++) {
 101     reparent_widget (buttons[i], old_parent, new_parent);
 102   }
 103
 104   gtk_widget_hide (old_parent);
 105   style = gtk_button_box_get_layout (GTK_BUTTON_BOX (old_parent));
 106   gtk_button_box_set_layout (GTK_BUTTON_BOX (new_parent), style);
 107   gtk_widget_show (new_parent);
 108 }
 109
 110 static void
 111 option_cb (GtkToggleButton *option,
 112            GtkWidget *button)
 113 {
 114   gboolean active = gtk_toggle_button_get_active (option);
 115
 116   gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (bbox),
 117                                       button, active);
 118 }
 119
 120 static const char* strings[] = { "Ok", "Cancel", "Help" };
 121
 122 int
 123 main (int    argc,
 124       char **argv)
 125 {
 126   GtkWidget *window, *buttons[N_BUTTONS];
 127   GtkWidget *vbox, *hbox, *combo_styles, *combo_types, *option;
 128   int i;
 129
 130   gtk_init (&argc, &argv);
 131
 132   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 133   g_signal_connect (G_OBJECT (window), "delete-event", G_CALLBACK (gtk_main_quit), NULL);
 134
 135   vbox = gtk_vbox_new (FALSE, 0);
 136   gtk_container_add (GTK_CONTAINER (window), vbox);
 137
 138   /* GtkHButtonBox */
 139
 140   hbbox = gtk_hbutton_box_new ();
 141   gtk_box_pack_start (GTK_BOX (vbox), hbbox, TRUE, TRUE, 5);
 142
 143   for (i = 0; i < N_BUTTONS; i++) {
 144     buttons[i] = gtk_button_new_with_label (strings[i]);
 145     gtk_container_add (GTK_CONTAINER (hbbox), buttons[i]);
 146   }
 147
 148   bbox = hbbox;
 149
 150   /* GtkVButtonBox */
 151   vbbox = gtk_vbutton_box_new ();
 152   gtk_box_pack_start (GTK_BOX (vbox), vbbox, TRUE, TRUE, 5);
 153
 154   /* Options */
 155
 156   hbox = gtk_hbox_new (FALSE, 0);
 157   gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 158
 159   combo_types = gtk_combo_box_new_text ();
 160   populate_combo_with (GTK_COMBO_BOX (combo_types), types);
 161   g_signal_connect (G_OBJECT (combo_types), "changed", G_CALLBACK (combo_types_changed_cb), buttons);
 162   gtk_box_pack_start (GTK_BOX (hbox), combo_types, TRUE, TRUE, 0);
 163
 164   combo_styles = gtk_combo_box_new_text ();
 165   populate_combo_with (GTK_COMBO_BOX (combo_styles), styles);
 166   g_signal_connect (G_OBJECT (combo_styles), "changed", G_CALLBACK (combo_changed_cb), NULL);
 167   gtk_box_pack_start (GTK_BOX (hbox), combo_styles, TRUE, TRUE, 0);
 168
 169   option = gtk_check_button_new_with_label ("Help is secondary");
 170   g_signal_connect (G_OBJECT (option), "toggled", G_CALLBACK (option_cb), buttons[N_BUTTONS - 1]);
 171
 172   gtk_box_pack_start (GTK_BOX (hbox), option, FALSE, FALSE, 0);
 173
 174   gtk_widget_show_all (window);
 175   gtk_widget_hide (vbbox);
 176
 177   gtk_main ();
 178
 179   return 0;
 180 }