[gimp] libgimpwidgets: merge some GimpColorButton API from gtk3-port

[Michael Natterer <mitch src gnome org>]

commit f91a19b1ef6ec86387ed6e4052b584f390dc3ff8
Author: Michael Natterer <mitch gimp org>
Date:   Wed Sep 7 02:22:57 2016 +0200

    libgimpwidgets: merge some GimpColorButton API from gtk3-port

 app/widgets/gimpcolorpanel.c     |   14 ++++---
 libgimpwidgets/gimpcolorbutton.c |   84 ++++++++++++++++++++++++++++++++++++-
 libgimpwidgets/gimpcolorbutton.h |   49 +++++++++++++---------
 libgimpwidgets/gimpwidgets.def   |    4 ++
 4 files changed, 122 insertions(+), 29 deletions(-)
---
diff --git a/app/widgets/gimpcolorpanel.c b/app/widgets/gimpcolorpanel.c
index dbc4e62..9a338ee 100644
--- a/app/widgets/gimpcolorpanel.c
+++ b/app/widgets/gimpcolorpanel.c
@@ -112,7 +112,7 @@ gimp_color_panel_button_press (GtkWidget      *widget,
 
       color_button = GIMP_COLOR_BUTTON (widget);
       color_panel  = GIMP_COLOR_PANEL (widget);
-      ui_manager   = GTK_UI_MANAGER (color_button->popup_menu);
+      ui_manager   = gimp_color_button_get_ui_manager (color_button);
 
       group = gtk_ui_manager_get_action_groups (ui_manager)->data;
 
@@ -162,15 +162,17 @@ gimp_color_panel_clicked (GtkButton *button)
 
   if (! panel->color_dialog)
     {
+      GimpColorButton *color_button = GIMP_COLOR_BUTTON (button);
+
       panel->color_dialog =
         gimp_color_dialog_new (NULL, panel->context,
-                               GIMP_COLOR_BUTTON (button)->title,
+                               gimp_color_button_get_title (color_button),
                                NULL, NULL,
                                GTK_WIDGET (button),
                                NULL, NULL,
                                &color,
-                               gimp_color_button_get_update (GIMP_COLOR_BUTTON (button)),
-                               gimp_color_button_has_alpha (GIMP_COLOR_BUTTON (button)));
+                               gimp_color_button_get_update (color_button),
+                               gimp_color_button_has_alpha (color_button));
 
       g_signal_connect (panel->color_dialog, "destroy",
                         G_CALLBACK (gtk_widget_destroyed),
@@ -252,8 +254,8 @@ gimp_color_panel_set_context (GimpColorPanel *panel,
   panel->context = context;
 
   if (context)
-    gimp_color_area_set_color_config (GIMP_COLOR_AREA (GIMP_COLOR_BUTTON (panel)->color_area),
-                                      context->gimp->config->color_management);
+    gimp_color_button_set_color_config (GIMP_COLOR_BUTTON (panel),
+                                        context->gimp->config->color_management);
 }
 
 
diff --git a/libgimpwidgets/gimpcolorbutton.c b/libgimpwidgets/gimpcolorbutton.c
index 6b67d6f..c9e6f74 100644
--- a/libgimpwidgets/gimpcolorbutton.c
+++ b/libgimpwidgets/gimpcolorbutton.c
@@ -27,6 +27,7 @@
 #include <gtk/gtk.h>
 
 #include "libgimpcolor/gimpcolor.h"
+#include "libgimpconfig/gimpconfig.h"
 
 #include "gimpwidgetstypes.h"
 
@@ -228,7 +229,7 @@ gimp_color_button_class_init (GimpColorButtonClass *klass)
                                    g_param_spec_string ("title", NULL, NULL,
                                                         NULL,
                                                         GIMP_PARAM_READWRITE |
-                                                        G_PARAM_CONSTRUCT_ONLY));
+                                                        G_PARAM_CONSTRUCT));
   /**
    * GimpColorButton:color:
    *
@@ -449,8 +450,7 @@ gimp_color_button_set_property (GObject      *object,
   switch (property_id)
     {
     case PROP_TITLE:
-      g_free (button->title);
-      button->title = g_value_dup_string (value);
+      gimp_color_button_set_title (button, g_value_get_string (value));
       break;
 
     case PROP_COLOR:
@@ -641,6 +641,47 @@ gimp_color_button_new (const gchar       *title,
 }
 
 /**
+ * gimp_color_button_set_title:
+ * @button: a #GimpColorButton.
+ * @color:  the new title.
+ *
+ * Sets the @button dialog's title.
+ *
+ * Since: GIMP 2.10
+ **/
+void
+gimp_color_button_set_title (GimpColorButton *button,
+                             const gchar     *title)
+{
+  g_return_if_fail (GIMP_IS_COLOR_BUTTON (button));
+  g_return_if_fail (title != NULL);
+
+  g_free (button->title);
+  button->title = g_strdup (title);
+
+  if (button->dialog)
+    gtk_window_set_title (GTK_WINDOW (button->dialog), title);
+
+  g_object_notify (G_OBJECT (button), "title");
+}
+
+/**
+ * gimp_color_button_get_title:
+ * @button: a #GimpColorButton.
+ *
+ * Returns: The @button dialog's title.
+ *
+ * Since: GIMP 2.10
+ **/
+const gchar *
+gimp_color_button_get_title (GimpColorButton *button)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_BUTTON (button), NULL);
+
+  return button->title;
+}
+
+/**
  * gimp_color_button_set_color:
  * @button: Pointer to a #GimpColorButton.
  * @color:  Pointer to the new #GimpRGB color.
@@ -770,6 +811,43 @@ gimp_color_button_set_update (GimpColorButton *button,
     }
 }
 
+/**
+ * gimp_color_button_set_color_config:
+ * @button: a #GimpColorButton widget.
+ * @config: a #GimpColorConfig object.
+ *
+ * Sets the color management configuration to use with this color button's
+ * #GimpColorArea.
+ *
+ * Since: 2.10
+ */
+void
+gimp_color_button_set_color_config (GimpColorButton *button,
+                                    GimpColorConfig *config)
+{
+  g_return_if_fail (GIMP_IS_COLOR_BUTTON (button));
+  g_return_if_fail (config == NULL || GIMP_IS_COLOR_CONFIG (config));
+
+  gimp_color_area_set_color_config (GIMP_COLOR_AREA (button->color_area),
+                                    config);
+}
+
+/**
+ * gimp_color_button_get_ui_manager:
+ * @button: a #GimpColorButton.
+ *
+ * Returns: The @button's #GtkUIManager.
+ *
+ * Since: GIMP 2.10
+ **/
+GtkUIManager *
+gimp_color_button_get_ui_manager (GimpColorButton *button)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_BUTTON (button), NULL);
+
+  return button->popup_menu;
+}
+
 
 /*  private functions  */
 
diff --git a/libgimpwidgets/gimpcolorbutton.h b/libgimpwidgets/gimpcolorbutton.h
index 10fe9d7..1347488 100644
--- a/libgimpwidgets/gimpcolorbutton.h
+++ b/libgimpwidgets/gimpcolorbutton.h
@@ -78,26 +78,35 @@ struct _GimpColorButtonClass
 };
 
 
-GType       gimp_color_button_get_type   (void) G_GNUC_CONST;
-
-GtkWidget * gimp_color_button_new        (const gchar       *title,
-                                          gint               width,
-                                          gint               height,
-                                          const GimpRGB     *color,
-                                          GimpColorAreaType  type);
-
-void        gimp_color_button_set_color  (GimpColorButton   *button,
-                                          const GimpRGB     *color);
-void        gimp_color_button_get_color  (GimpColorButton   *button,
-                                          GimpRGB           *color);
-
-gboolean    gimp_color_button_has_alpha  (GimpColorButton   *button);
-void        gimp_color_button_set_type   (GimpColorButton   *button,
-                                          GimpColorAreaType  type);
-
-gboolean    gimp_color_button_get_update (GimpColorButton   *button);
-void        gimp_color_button_set_update (GimpColorButton   *button,
-                                          gboolean           continuous);
+GType          gimp_color_button_get_type         (void) G_GNUC_CONST;
+
+GtkWidget    * gimp_color_button_new              (const gchar       *title,
+                                                   gint               width,
+                                                   gint               height,
+                                                   const GimpRGB     *color,
+                                                   GimpColorAreaType  type);
+
+void           gimp_color_button_set_title        (GimpColorButton   *button,
+                                                   const gchar       *title);
+const gchar  * gimp_color_button_get_title        (GimpColorButton   *button);
+
+void           gimp_color_button_set_color        (GimpColorButton   *button,
+                                                   const GimpRGB     *color);
+void           gimp_color_button_get_color        (GimpColorButton   *button,
+                                                   GimpRGB           *color);
+
+gboolean       gimp_color_button_has_alpha        (GimpColorButton   *button);
+void           gimp_color_button_set_type         (GimpColorButton   *button,
+                                                   GimpColorAreaType  type);
+
+gboolean       gimp_color_button_get_update       (GimpColorButton   *button);
+void           gimp_color_button_set_update       (GimpColorButton   *button,
+                                                   gboolean           continuous);
+
+void           gimp_color_button_set_color_config (GimpColorButton   *button,
+                                                   GimpColorConfig   *config);
+
+GtkUIManager * gimp_color_button_get_ui_manager   (GimpColorButton   *button);
 
 
 G_END_DECLS
diff --git a/libgimpwidgets/gimpwidgets.def b/libgimpwidgets/gimpwidgets.def
index dc8e2c2..65f67ad 100644
--- a/libgimpwidgets/gimpwidgets.def
+++ b/libgimpwidgets/gimpwidgets.def
@@ -34,11 +34,15 @@ EXPORTS
        gimp_color_area_set_type
        gimp_color_area_type_get_type
        gimp_color_button_get_color
+       gimp_color_button_get_title
        gimp_color_button_get_type
+       gimp_color_button_get_ui_manager
        gimp_color_button_get_update
        gimp_color_button_has_alpha
        gimp_color_button_new
        gimp_color_button_set_color
+       gimp_color_button_set_color_config
+       gimp_color_button_set_title
        gimp_color_button_set_type
        gimp_color_button_set_update
        gimp_color_display_changed