[gimp] app: Custom gui for channel mixer

[Alexia Death <alexiade src gnome org>]

commit 44be17a8c10b95c161b9a69f79aba07d5afc8308
Author: Alexia Death <alexiadeath gmail com>
Date:   Sun Dec 7 19:25:11 2014 +0200

    app: Custom gui for channel mixer

 app/widgets/gimppropgui-constructors.c |  103 ++++++++++++++++++++++++++++++++
 app/widgets/gimppropgui-constructors.h |    7 ++
 app/widgets/gimppropgui.c              |    2 +
 3 files changed, 112 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/gimppropgui-constructors.c b/app/widgets/gimppropgui-constructors.c
index 6d51ca6..ce2d070 100644
--- a/app/widgets/gimppropgui-constructors.c
+++ b/app/widgets/gimppropgui-constructors.c
@@ -521,6 +521,109 @@ _gimp_prop_gui_new_convolution_matrix (GObject              *config,
   return main_vbox;
 }
 
+GtkWidget *
+_gimp_prop_gui_new_channel_mixer (GObject              *config,
+                                  GParamSpec          **param_specs,
+                                  guint                 n_param_specs,
+                                  GimpContext          *context,
+                                  GimpCreatePickerFunc  create_picker_func,
+                                  gpointer              picker_creator)
+{
+  GtkWidget   *main_vbox;
+  GtkWidget   *vbox;
+  GtkWidget   *set_label;
+  GtkWidget   *checkbox;
+  GtkWidget   *scale;
+  const gchar *label;
+
+  g_return_val_if_fail (G_IS_OBJECT (config), NULL);
+  g_return_val_if_fail (param_specs != NULL, NULL);
+  g_return_val_if_fail (n_param_specs > 0, NULL);
+  g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+
+  main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 1);
+  gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
+  gtk_widget_show (vbox);
+
+  checkbox = gimp_prop_widget_new (config, "preserve-luminosity",
+                                   context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), checkbox, TRUE, TRUE, 0);
+  gtk_widget_show (checkbox);
+
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+  gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
+  gtk_widget_show (vbox);
+
+  set_label = gtk_label_new (_("Red channel"));
+  gtk_box_pack_start (GTK_BOX (vbox), set_label, FALSE, FALSE, 0);
+  gtk_widget_show (set_label);
+
+  scale = gimp_prop_widget_new (config, "rr-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_widget_new (config, "rg-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_widget_new (config, "rb-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+  gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
+  gtk_widget_show (vbox);
+
+  set_label = gtk_label_new (_("Green channel"));
+  gtk_box_pack_start (GTK_BOX (vbox), set_label, FALSE, FALSE, 0);
+  gtk_widget_show (set_label);
+
+  scale = gimp_prop_widget_new (config, "gr-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_widget_new (config, "gg-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_widget_new (config, "gb-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+  gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
+  gtk_widget_show (vbox);
+
+  set_label = gtk_label_new (_("Blue channel"));
+  gtk_box_pack_start (GTK_BOX (vbox), set_label, FALSE, FALSE, 0);
+  gtk_widget_show (set_label);
+
+  scale = gimp_prop_widget_new (config, "br-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_widget_new (config, "bg-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_widget_new (config, "bb-gain",
+                                context, NULL, NULL, &label);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  return main_vbox;
+}
 
 /*  private functions  */
 
diff --git a/app/widgets/gimppropgui-constructors.h b/app/widgets/gimppropgui-constructors.h
index 42a8ed6..15eea71 100644
--- a/app/widgets/gimppropgui-constructors.h
+++ b/app/widgets/gimppropgui-constructors.h
@@ -46,5 +46,12 @@ GtkWidget * _gimp_prop_gui_new_convolution_matrix
                                         GimpCreatePickerFunc  create_picker_func,
                                         gpointer              picker_creator);
 
+GtkWidget * _gimp_prop_gui_new_channel_mixer
+                                       (GObject              *config,
+                                        GParamSpec          **param_specs,
+                                        guint                 n_param_specs,
+                                        GimpContext          *context,
+                                        GimpCreatePickerFunc  create_picker_func,
+                                        gpointer              picker_creator);
 
 #endif /* __GIMP_PROP_GUI_CONSTRUCTORS_H__ */
diff --git a/app/widgets/gimppropgui.c b/app/widgets/gimppropgui.c
index 263f64d..f4b2a5f 100644
--- a/app/widgets/gimppropgui.c
+++ b/app/widgets/gimppropgui.c
@@ -327,6 +327,8 @@ gui_new_funcs[] =
     _gimp_prop_gui_new_color_rotate },
   { "GimpGegl-gegl-convolution-matrix-config",
     _gimp_prop_gui_new_convolution_matrix },
+  { "GimpGegl-gegl-channel-mixer-config",
+    _gimp_prop_gui_new_channel_mixer },
   { NULL,
     _gimp_prop_gui_new_generic }
 };