Add GtkGLArea widget

2014-10-09 11:11:32 +02:00
parent 7eae4985e8
commit 535723ce86
6 changed files with 767 additions and 1 deletions
--- a/gtk/gtkglarea.h
+++ b/gtk/gtkglarea.h
@ -0,0 +1,105 @@
+/* GTK - The GIMP Toolkit
+ *
+ * gtkglarea.h: A GL drawing area
+ *
+ * Copyright © 2014  Emmanuele Bassi
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_GL_AREA_H__
+#define __GTK_GL_AREA_H__
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtkwidget.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_GL_AREA                (gtk_gl_area_get_type ())
+#define GTK_GL_AREA(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_GL_AREA, GtkGLArea))
+#define GTK_IS_GL_AREA(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_GL_AREA))
+#define GTK_GL_AREA_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_GL_AREA, GtkGLAreaClass))
+#define GTK_IS_GL_AREA_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_GL_AREA))
+#define GTK_GL_AREA_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_GL_AREA, GtkGLAreaClass))
+
+typedef struct _GtkGLArea               GtkGLArea;
+typedef struct _GtkGLAreaClass          GtkGLAreaClass;
+
+/**
+ * GtkGLArea:
+ *
+ * A #GtkWidget used for drawing with OpenGL.
+ *
+ * Since: 3.16
+ */
+struct _GtkGLArea
+{
+  /*< private >*/
+  GtkWidget parent_instance;
+};
+
+/**
+ * GtkGLAreaClass:
+ * @render: class closure for the #GtkGLArea::render signal
+ *
+ * The `GtkGLAreaClass` structure contains only private data.
+ *
+ * Since: 3.16
+ */
+struct _GtkGLAreaClass
+{
+  /*< private >*/
+  GtkWidgetClass parent_class;
+
+  /*< public >*/
+  gboolean       (* render)         (GtkGLArea        *area,
+                                     GdkGLContext     *context);
+
+  /*< private >*/
+  gpointer _padding[6];
+};
+
+GDK_AVAILABLE_IN_3_16
+GType gtk_gl_area_get_type (void) G_GNUC_CONST;
+
+GDK_AVAILABLE_IN_3_16
+GtkWidget *     gtk_gl_area_new                 (void);
+
+
+GDK_AVAILABLE_IN_3_16
+gboolean        gtk_gl_area_get_has_alpha      (GtkGLArea        *area);
+
+GDK_AVAILABLE_IN_3_16
+void            gtk_gl_area_set_has_alpha      (GtkGLArea        *area,
+                                                gboolean          has_alpha);
+
+GDK_AVAILABLE_IN_3_16
+gboolean        gtk_gl_area_get_has_depth_buffer (GtkGLArea        *area);
+
+GDK_AVAILABLE_IN_3_16
+void            gtk_gl_area_set_has_depth_buffer (GtkGLArea        *area,
+                                                  gboolean          has_depth_buffer);
+
+GDK_AVAILABLE_IN_3_16
+GdkGLContext *  gtk_gl_area_get_context         (GtkGLArea        *area);
+
+GDK_AVAILABLE_IN_3_16
+gboolean        gtk_gl_area_make_current        (GtkGLArea        *area);
+
+G_END_DECLS
+
+#endif /* __GTK_GL_AREA_H__ */