[gnome-builder] gstyle: add a filter property to the color panel

[Sébastien Lafargue <slafargue src gnome org>]

commit 3cf5ccc2a4cee1a65ee7add779a6208d1da88e2d
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Wed Jul 20 18:19:25 2016 +0200

    gstyle: add a filter property to the color panel

 contrib/gstyle/gstyle-color-panel-private.h |    1 +
 contrib/gstyle/gstyle-color-panel.c         |   71 +++++++++++++++++++++++++++
 contrib/gstyle/gstyle-color-panel.h         |    3 +
 3 files changed, 75 insertions(+), 0 deletions(-)
---
diff --git a/contrib/gstyle/gstyle-color-panel-private.h b/contrib/gstyle/gstyle-color-panel-private.h
index d19b28b..8d19bca 100644
--- a/contrib/gstyle/gstyle-color-panel-private.h
+++ b/contrib/gstyle/gstyle-color-panel-private.h
@@ -135,6 +135,7 @@ struct _GstyleColorPanel
   ColorComp                            components [N_GSTYLE_COLOR_COMPONENT];
   GstyleColorComponent                 current_comp;
   GstyleColorUnit                      preferred_unit;
+  GstyleColorFilter                    filter;
 
   GstyleSlidein                       *prefs_slidein;
   GtkStack                            *prefs_stack;
diff --git a/contrib/gstyle/gstyle-color-panel.c b/contrib/gstyle/gstyle-color-panel.c
index 1ba50f6..e087751 100644
--- a/contrib/gstyle/gstyle-color-panel.c
+++ b/contrib/gstyle/gstyle-color-panel.c
@@ -64,6 +64,7 @@ static GstyleColorPlaneMode component_to_plane_mode [N_GSTYLE_COLOR_COMPONENT] =
 
 enum {
   PROP_0,
+  PROP_FILTER,
   PROP_HSV_VISIBLE,
   PROP_LAB_VISIBLE,
   PROP_RGB_VISIBLE,
@@ -84,6 +85,59 @@ enum {
 static guint signals [LAST_SIGNAL];
 
 /**
+ * gstyle_color_panel_get_filter:
+ * @self: A #GstyleColorPanel.
+ *
+ * Get the current color filter.
+ *
+ */
+GstyleColorFilter
+gstyle_color_panel_get_filter (GstyleColorPanel *self)
+{
+  g_return_val_if_fail (GSTYLE_IS_COLOR_PANEL (self), GSTYLE_COLOR_FILTER_NONE);
+
+  return self->filter;
+}
+
+/**
+ * gstyle_color_panel_set_filter:
+ * @self: A #GstyleColorPanel
+ * @filter: A #GstyleColorFilter
+ *
+ * Set the color filter to use.
+ *
+ */
+void
+gstyle_color_panel_set_filter (GstyleColorPanel  *self,
+                               GstyleColorFilter  filter)
+{
+  GstyleColorFilterFunc filter_func;
+
+  g_return_if_fail (GSTYLE_IS_COLOR_PANEL (self));
+
+  self->filter = filter;
+
+  switch (filter)
+    {
+    case GSTYLE_COLOR_FILTER_NONE:
+      filter_func = NULL;
+      break;
+
+    case GSTYLE_COLOR_FILTER_WEBSAFE:
+      filter_func = gstyle_color_filter_websafe;
+      break;
+
+    default:
+      g_assert_not_reached ();
+    }
+
+  gstyle_color_plane_set_filter_func (self->color_plane, filter_func, NULL);
+  gstyle_color_scale_set_filter_func (self->ref_scale, filter_func, NULL);
+  for (gint i = 0; i < N_GSTYLE_COLOR_COMPONENT; ++i)
+    gstyle_color_scale_set_filter_func (self->components [i].scale, filter_func, NULL);
+}
+
+/**
  * gstyle_color_panel_get_rgba:
  * @self: A #GstyleColorPanel.
  * @rgba: (out): A #GdkRGBA adress.
@@ -1186,9 +1240,14 @@ gstyle_color_panel_get_property (GObject    *object,
 
   switch (prop_id)
     {
+    case PROP_FILTER:
+      g_value_set_enum (value, gstyle_color_panel_get_filter (self));
+      break;
+
     case PROP_HSV_VISIBLE:
       g_value_set_boolean (value, gtk_widget_get_visible (self->hsv_grid));
       break;
+
     case PROP_LAB_VISIBLE:
       g_value_set_boolean (value, gtk_widget_get_visible (self->lab_grid));
       break;
@@ -1232,6 +1291,10 @@ gstyle_color_panel_set_property (GObject      *object,
 
   switch (prop_id)
     {
+    case PROP_FILTER:
+      gstyle_color_panel_set_filter (self, g_value_get_enum (value));
+      break;
+
     case PROP_HSV_VISIBLE:
       gtk_widget_set_visible (self->hsv_grid, g_value_get_boolean (value));
       break;
@@ -1355,6 +1418,14 @@ gstyle_color_panel_class_init (GstyleColorPanelClass *klass)
 
   gtk_widget_class_set_css_name (widget_class, "gstylecolorpanel");
 
+  properties [PROP_FILTER] =
+    g_param_spec_enum ("filter",
+                       "filter",
+                       "Filer used to act on color scales and plane",
+                       GSTYLE_TYPE_COLOR_FILTER,
+                       GSTYLE_COLOR_FILTER_NONE,
+                       (G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
   properties [PROP_RGBA] =
     g_param_spec_boxed ("rgba",
                         "rgba",
diff --git a/contrib/gstyle/gstyle-color-panel.h b/contrib/gstyle/gstyle-color-panel.h
index e5de777..c1ca2af 100644
--- a/contrib/gstyle/gstyle-color-panel.h
+++ b/contrib/gstyle/gstyle-color-panel.h
@@ -57,9 +57,12 @@ GType                       gstyle_color_panel_prefs_get_type
 GType                       gstyle_color_panel_strings_visible_flags_get_type    (void);
 
 GstyleColorPanel           *gstyle_color_panel_new                         (void);
+GstyleColorFilter           gstyle_color_panel_get_filter                  (GstyleColorPanel    *self);
 GstylePaletteWidget        *gstyle_color_panel_get_palette_widget          (GstyleColorPanel    *self);
 void                        gstyle_color_panel_get_rgba                    (GstyleColorPanel    *self,
                                                                             GdkRGBA             *rgba);
+void                        gstyle_color_panel_set_filter                  (GstyleColorPanel    *self,
+                                                                            GstyleColorFilter    filter);
 void                        gstyle_color_panel_set_rgba                    (GstyleColorPanel    *self,
                                                                             const GdkRGBA       *rgba);
 void                        gstyle_color_panel_get_xyz                     (GstyleColorPanel    *self,