1 files changed, 142 insertions, 0 deletions
diff --git a/app/widgets/gimpcellrendererbutton.c b/app/widgets/gimpcellrendererbutton.c
new file mode 100644
index 0000000..e051121
--- /dev/null
+++ b/app/widgets/gimpcellrendererbutton.c
@@ -0,0 +1,142 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcellrendererbutton.c
+ * Copyright (C) 2016 Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+
+#include "widgets-types.h"
+
+#include "core/gimpmarshal.h"
+
+#include "gimpcellrendererbutton.h"
+
+
+enum
+{
+  CLICKED,
+  LAST_SIGNAL
+};
+
+
+static gboolean gimp_cell_renderer_button_activate (GtkCellRenderer     *cell,
+                                                    GdkEvent            *event,
+                                                    GtkWidget           *widget,
+                                                    const gchar         *path,
+                                                    GdkRectangle        *background_area,
+                                                    GdkRectangle        *cell_area,
+                                                    GtkCellRendererState flags);
+
+
+G_DEFINE_TYPE (GimpCellRendererButton, gimp_cell_renderer_button,
+               GTK_TYPE_CELL_RENDERER_PIXBUF)
+
+#define parent_class gimp_cell_renderer_button_parent_class
+
+static guint button_cell_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_cell_renderer_button_class_init (GimpCellRendererButtonClass *klass)
+{
+  GObjectClass         *object_class = G_OBJECT_CLASS (klass);
+  GtkCellRendererClass *cell_class   = GTK_CELL_RENDERER_CLASS (klass);
+
+  /**
+   * GimpCellRendererButton::clicked:
+   * @cell:
+   * @path:
+   * @state:
+   *
+   * Called on a button cell when it is clicked.
+   **/
+  button_cell_signals[CLICKED] =
+    g_signal_new ("clicked",
+                  G_OBJECT_CLASS_TYPE (object_class),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpCellRendererButtonClass, clicked),
+                  NULL, NULL,
+                  gimp_marshal_VOID__STRING_FLAGS,
+                  G_TYPE_NONE, 2,
+                  G_TYPE_STRING,
+                  GDK_TYPE_MODIFIER_TYPE);
+
+  cell_class->activate = gimp_cell_renderer_button_activate;
+
+  klass->clicked       = NULL;
+}
+
+static void
+gimp_cell_renderer_button_init (GimpCellRendererButton *cell_button)
+{
+  g_object_set (cell_button,
+                "mode",       GTK_CELL_RENDERER_MODE_ACTIVATABLE,
+                "xpad",       2,
+                "ypad",       2,
+                "stock-size", GTK_ICON_SIZE_BUTTON,
+                NULL);
+}
+
+static gboolean
+gimp_cell_renderer_button_activate (GtkCellRenderer      *cell,
+                                    GdkEvent             *event,
+                                    GtkWidget            *widget,
+                                    const gchar          *path,
+                                    GdkRectangle         *background_area,
+                                    GdkRectangle         *cell_area,
+                                    GtkCellRendererState  flags)
+{
+  GimpCellRendererButton *cell_button = GIMP_CELL_RENDERER_BUTTON (cell);
+  GdkModifierType         state       = 0;
+
+  if (event && ((GdkEventAny *) event)->type == GDK_BUTTON_PRESS)
+    state = ((GdkEventButton *) event)->state;
+
+  if (! event ||
+      (((GdkEventAny *) event)->type == GDK_BUTTON_PRESS &&
+       ((GdkEventButton *) event)->button == 1))
+    {
+      gimp_cell_renderer_button_clicked (cell_button, path, state);
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+
+/*  public functions  */
+
+GtkCellRenderer *
+gimp_cell_renderer_button_new (void)
+{
+  return g_object_new (GIMP_TYPE_CELL_RENDERER_BUTTON, NULL);
+}
+
+void
+gimp_cell_renderer_button_clicked (GimpCellRendererButton *cell,
+                                   const gchar            *path,
+                                   GdkModifierType         state)
+{
+  g_return_if_fail (GIMP_IS_CELL_RENDERER_BUTTON (cell));
+  g_return_if_fail (path != NULL);
+
+  g_signal_emit (cell, button_cell_signals[CLICKED], 0, path, state);
+}