Initial cut at implementing a new color chooser

This is a partial implementation of
https://live.gnome.org/GnomeOS/Design/Whiteboards/ColorSelection
The new color editor has not been implemented yet.

1 files changed, 217 insertions, 0 deletions

diff --git a/gtk/gtkcolorchooserdialog.c b/gtk/gtkcolorchooserdialog.c
new file mode 100644
index 0000000000..76355409e7
--- /dev/null
+++ b/gtk/gtkcolorchooserdialog.c
@@ -0,0 +1,217 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2012 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include "gtkdialog.h"
+#include "gtkstock.h"
+#include "gtkbox.h"
+#include "gtkintl.h"
+
+#include "gtkcolorchooserprivate.h"
+#include "gtkcolorchooserdialog.h"
+#include "gtkcolorchooserwidget.h"
+
+
+struct _GtkColorChooserDialogPrivate
+{
+  GtkWidget *color_chooser;
+
+  GtkWidget *select_button;
+  GtkWidget *cancel_button;
+};
+
+enum
+{
+  PROP_ZERO,
+  PROP_COLOR
+};
+
+static void gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkColorChooserDialog, gtk_color_chooser_dialog, GTK_TYPE_DIALOG,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,
+                                                gtk_color_chooser_dialog_iface_init))
+
+static void
+propagate_notify (GObject               *o,
+                  GParamSpec            *pspec,
+                  GtkColorChooserDialog *cc)
+{
+  g_object_notify (G_OBJECT (cc), "color");
+}
+
+static void
+color_activated_cb (GtkColorChooser *chooser,
+                    GdkRGBA         *color,
+                    GtkDialog       *dialog)
+{
+  gtk_dialog_response (dialog, GTK_RESPONSE_OK);
+}
+
+static void
+gtk_color_chooser_dialog_init (GtkColorChooserDialog *cc)
+{
+  GtkColorChooserDialogPrivate *priv;
+  GtkDialog *dialog = GTK_DIALOG (cc);
+  GtkWidget *action_area, *content_area;
+
+  cc->priv = G_TYPE_INSTANCE_GET_PRIVATE (cc,
+                                          GTK_TYPE_COLOR_CHOOSER_DIALOG,
+                                          GtkColorChooserDialogPrivate);
+  priv = cc->priv;
+
+  content_area = gtk_dialog_get_content_area (dialog);
+  action_area = gtk_dialog_get_action_area (dialog);
+
+  gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+  gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
+  gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
+  gtk_box_set_spacing (GTK_BOX (action_area), 6);
+
+  gtk_widget_push_composite_child ();
+
+  gtk_window_set_resizable (GTK_WINDOW (cc), FALSE);
+
+  /* Create the content area */
+  priv->color_chooser = gtk_color_chooser_widget_new ();
+  gtk_container_set_border_width (GTK_CONTAINER (priv->color_chooser), 5);
+  gtk_widget_show (priv->color_chooser);
+  gtk_box_pack_start (GTK_BOX (content_area),
+                      priv->color_chooser, TRUE, TRUE, 0);
+
+  g_signal_connect (priv->color_chooser, "notify::color",
+                    G_CALLBACK (propagate_notify), cc);
+
+  g_signal_connect (priv->color_chooser, "color-activated",
+                    G_CALLBACK (color_activated_cb), cc);
+
+  /* Create the action area */
+  priv->cancel_button = gtk_dialog_add_button (dialog,
+                                               GTK_STOCK_CANCEL,
+                                               GTK_RESPONSE_CANCEL);
+  priv->select_button = gtk_dialog_add_button (dialog,
+                                               _("_Select"),
+                                               GTK_RESPONSE_OK);
+  gtk_widget_grab_default (priv->select_button);
+
+  gtk_dialog_set_alternative_button_order (dialog,
+                                           GTK_RESPONSE_OK,
+                                           GTK_RESPONSE_CANCEL,
+                                           -1);
+
+  gtk_window_set_title (GTK_WINDOW (cc), _("Select a Color"));
+
+  gtk_widget_pop_composite_child ();
+}
+
+static void
+gtk_color_chooser_dialog_get_property (GObject    *object,
+                                       guint       prop_id,
+                                       GValue     *value,
+                                       GParamSpec *pspec)
+{
+  GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
+
+  switch (prop_id)
+    {
+    case PROP_COLOR:
+      {
+        GdkRGBA color;
+
+        gtk_color_chooser_get_color (cc, &color);
+        g_value_set_boxed (value, &color);
+      }
+    break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_color_chooser_dialog_set_property (GObject      *object,
+                                       guint         prop_id,
+                                       const GValue *value,
+                                       GParamSpec   *pspec)
+{
+  GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
+
+  switch (prop_id)
+    {
+    case PROP_COLOR:
+      gtk_color_chooser_set_color (cc, g_value_get_boxed (value));
+    break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_color_chooser_dialog_class_init (GtkColorChooserDialogClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->get_property = gtk_color_chooser_dialog_get_property;
+  object_class->set_property = gtk_color_chooser_dialog_set_property;
+
+  g_object_class_override_property (object_class, PROP_COLOR, "color");
+
+  g_type_class_add_private (class, sizeof (GtkColorChooserDialogPrivate));
+}
+
+static void
+gtk_color_chooser_dialog_get_color (GtkColorChooser *chooser,
+                                    GdkRGBA         *color)
+{
+  GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
+
+  gtk_color_chooser_get_color (GTK_COLOR_CHOOSER (cc->priv->color_chooser), color);
+}
+
+static void
+gtk_color_chooser_dialog_set_color (GtkColorChooser *chooser,
+                                    const GdkRGBA   *color)
+{
+  GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
+
+  gtk_color_chooser_set_color (GTK_COLOR_CHOOSER (cc->priv->color_chooser), color);
+}
+
+static void
+gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface)
+{
+  iface->get_color = gtk_color_chooser_dialog_get_color;
+  iface->set_color = gtk_color_chooser_dialog_set_color;
+}
+
+GtkWidget *
+gtk_color_chooser_dialog_new (const gchar *title,
+                              GtkWindow   *parent)
+{
+  GtkColorChooserDialog *dialog;
+
+  dialog = g_object_new (GTK_TYPE_COLOR_CHOOSER_DIALOG,
+                         "title", title,
+                         "transient-for", parent,
+                         NULL);
+
+  return GTK_WIDGET (dialog);
+}