src/gtk/colorsel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2003-2012 Hiroyuki Yamamoto & The Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include <gtk/gtk.h>
  21 #include <gdk/gdkkeysyms.h>
  22
  23 #include "gtkutils.h"
  24 #include "colorsel.h"
  25 #include "manage_window.h"
  26
  27 static void quote_colors_set_dialog_ok(GtkWidget *widget, gpointer data)
  28 {
  29         *((gint *) data) = 0;
  30         gtk_main_quit();
  31 }
  32
  33 static void quote_colors_set_dialog_cancel(GtkWidget *widget, gpointer data)
  34 {
  35         *((gint *) data) = 1;
  36         gtk_main_quit();
  37 }
  38
  39 static gboolean quote_colors_set_dialog_key_pressed(GtkWidget *widget,
  40                                                 GdkEventKey *event,
  41                                                 gpointer data)
  42 {
  43         if (event && event->keyval == GDK_KEY_Escape) {
  44                 *((gint *) data) = 1;
  45                 gtk_main_quit();
  46                 return TRUE;
  47         } else if (event && event->keyval == GDK_KEY_Return) {
  48                 *((gint *) data) = 0;
  49                 gtk_main_quit();
  50                 return FALSE;
  51         }
  52         return FALSE;
  53 }
  54
  55 gint colorsel_select_color_rgb(gchar *title, gint rgbvalue)
  56 {
  57         GdkColor color;
  58         GtkColorSelectionDialog *color_dialog;
  59         GtkWidget *ok_button, *cancel_button;
  60         gint result;
  61
  62         color_dialog = GTK_COLOR_SELECTION_DIALOG(gtk_color_selection_dialog_new(title));
  63         gtk_window_set_modal(GTK_WINDOW(color_dialog), TRUE);
  64         gtk_window_set_resizable(GTK_WINDOW(color_dialog), FALSE);
  65         manage_window_set_transient(GTK_WINDOW(color_dialog));
  66
  67         g_object_get(color_dialog,
  68                 "ok-button", &ok_button,
  69                 "cancel-button", &cancel_button,
  70                 NULL);
  71
  72         g_signal_connect(G_OBJECT(ok_button),
  73                          "clicked",
  74                          G_CALLBACK(quote_colors_set_dialog_ok), &result);
  75         g_signal_connect(G_OBJECT(cancel_button),
  76                          "clicked",
  77                          G_CALLBACK(quote_colors_set_dialog_cancel), &result);
  78         g_signal_connect(G_OBJECT(color_dialog), "key_press_event",
  79                          G_CALLBACK(quote_colors_set_dialog_key_pressed), &result);
  80
  81         /* preselect the previous color in the color selection dialog */
  82         gtkut_convert_int_to_gdk_color(rgbvalue, &color);
  83         gtk_color_selection_set_current_color(GTK_COLOR_SELECTION(
  84                 gtk_color_selection_dialog_get_color_selection(color_dialog)), &color);
  85
  86         gtk_widget_show(GTK_WIDGET(color_dialog));
  87         gtk_main();
  88
  89         if (result == 0) {
  90                 gtk_color_selection_get_current_color(GTK_COLOR_SELECTION(
  91                         gtk_color_selection_dialog_get_color_selection(color_dialog)), &color);
  92                 rgbvalue = gtkut_convert_gdk_color_to_int(&color);
  93         }
  94
  95         gtk_widget_destroy(GTK_WIDGET(color_dialog));
  96
  97         return rgbvalue;
  98 }
  99