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-rw-r--r--app/widgets/gimpcellrendererbutton.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/app/widgets/gimpcellrendererbutton.c b/app/widgets/gimpcellrendererbutton.c
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+++ b/app/widgets/gimpcellrendererbutton.c
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+/* 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);
+}