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/*
* render_button.c
* Copyright (C) John Stebbins 2008-2016 <stebbins@stebbins>
*
* render_button.c is free software.
*
* You may redistribute it and/or modify it under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* render_button.c 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 main.c. If not, write to:
* The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301, USA.
*/
#include "marshalers.h"
#include "renderer_button.h"
#define MyGdkRectangle const GdkRectangle
/* Some boring function declarations: GObject type system stuff */
static void custom_cell_renderer_button_init (CustomCellRendererButton *cellprogress);
static void custom_cell_renderer_button_class_init (CustomCellRendererButtonClass *klass);
static void custom_cell_renderer_button_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec);
static void custom_cell_renderer_button_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec);
static void custom_cell_renderer_button_finalize (GObject *gobject);
// My customized part that adds "clicked" signal
static gboolean
custom_cell_renderer_button_activate (
GtkCellRenderer *cell,
GdkEvent *event,
GtkWidget *widget,
const gchar *path,
MyGdkRectangle *background_area,
MyGdkRectangle *cell_area,
GtkCellRendererState flags);
enum {
CLICKED,
LAST_SIGNAL
};
static guint button_cell_signals[LAST_SIGNAL] = { 0 };
static gpointer parent_class;
/***************************************************************************
*
* custom_cell_renderer_button_get_type: here we register our type with
* the GObject type system if we
* haven't done so yet. Everything
* else is done in the callbacks.
*
***************************************************************************/
GType
custom_cell_renderer_button_get_type (void)
{
static GType cell_button_type = 0;
if (cell_button_type == 0)
{
static const GTypeInfo cell_button_info =
{
sizeof (CustomCellRendererButtonClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) custom_cell_renderer_button_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (CustomCellRendererButton),
0, /* n_preallocs */
(GInstanceInitFunc) custom_cell_renderer_button_init,
};
/* Derive from GtkCellRendererPixbuf */
cell_button_type = g_type_register_static (GTK_TYPE_CELL_RENDERER_PIXBUF,
"CustomCellRendererButton",
&cell_button_info,
0);
}
return cell_button_type;
}
/***************************************************************************
*
* custom_cell_renderer_button_init: set some default properties of the
* parent (GtkCellRendererPixbuf).
*
***************************************************************************/
static void
custom_cell_renderer_button_init (CustomCellRendererButton *cellbutton)
{
g_object_set(cellbutton, "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
g_object_set(cellbutton, "xpad", 2, NULL);
g_object_set(cellbutton, "ypad", 2, NULL);
}
/***************************************************************************
*
* custom_cell_renderer_button_class_init:
*
* set up our own get_property and set_property functions, and
* override the parent's functions that we need to implement.
* If you want cells that can be activated on their own (ie. not
* just the whole row selected) or cells that are editable, you
* will need to override 'activate' and 'start_editing' as well.
*
***************************************************************************/
static void
custom_cell_renderer_button_class_init (CustomCellRendererButtonClass *klass)
{
GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(klass);
GObjectClass *object_class = G_OBJECT_CLASS(klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = custom_cell_renderer_button_finalize;
/* Hook up functions to set and get our
* custom cell renderer properties */
object_class->get_property = custom_cell_renderer_button_get_property;
object_class->set_property = custom_cell_renderer_button_set_property;
// Override activate
cell_class->activate = custom_cell_renderer_button_activate;
button_cell_signals[CLICKED] =
g_signal_new (g_intern_static_string ("clicked"),
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (CustomCellRendererButtonClass, clicked),
NULL, NULL,
ghb_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
}
/***************************************************************************
*
* custom_cell_renderer_button_finalize: free any resources here
*
***************************************************************************/
static void
custom_cell_renderer_button_finalize (GObject *object)
{
/*
If you need to do anyting with the renderer button ...
CustomCellRendererProgress *cellrendererbutton = CUSTOM_CELL_RENDERER_BUTTON(object);
*/
/* Free any dynamically allocated resources here */
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
}
/***************************************************************************
*
* custom_cell_renderer_button_get_property: as it says
*
***************************************************************************/
static void
custom_cell_renderer_button_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *psec)
{
//CustomCellRendererButton *cellbutton = CUSTOM_CELL_RENDERER_BUTTON(object);
switch (param_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec);
break;
}
}
/***************************************************************************
*
* custom_cell_renderer_button_set_property: as it says
*
***************************************************************************/
static void
custom_cell_renderer_button_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
//CustomCellRendererButton *cellbutton = CUSTOM_CELL_RENDERER_BUTTON(object);
switch (param_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
break;
}
}
/***************************************************************************
*
* custom_cell_renderer_button_new: return a new cell renderer instance
*
***************************************************************************/
GtkCellRenderer *
custom_cell_renderer_button_new (void)
{
return g_object_new(CUSTOM_TYPE_CELL_RENDERER_BUTTON, NULL);
}
static gboolean
custom_cell_renderer_button_activate (
GtkCellRenderer *cell,
GdkEvent *event,
GtkWidget *widget,
const gchar *path,
MyGdkRectangle *background_area,
MyGdkRectangle *cell_area,
GtkCellRendererState flags)
{
g_debug("custom_cell_renderer_button_activate ()\n");
g_signal_emit (cell, button_cell_signals[CLICKED], 0, path);
return TRUE;
}
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