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Added cell focus apis to GtkCellArea.

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This commit is contained in:
Tristan Van Berkom 2010-11-01 16:01:25 +09:00
parent 54004237be
commit e94a177774
3 changed files with 165 additions and 13 deletions
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159
gtk/gtkcellarea.c
View File

@ -31,6 +31,7 @@
#include "gtkcelllayout.h"
#include "gtkcellarea.h"
#include "gtkcellareaiter.h"
#include "gtkmarshalers.h"
#include "gtkprivate.h"
#include <gobject/gvaluecollector.h>
@ -120,18 +121,15 @@ typedef struct {
struct _GtkCellAreaPrivate
{
GHashTable *cell_info;
GHashTable *cell_info;
GtkBorder cell_border;
GtkCellRenderer *focus_cell;
guint can_focus : 1;
GtkBorder cell_border;
};
/* Keep the paramspec pool internal, no need to deliver notifications
* on cells. at least no percieved need for now */
static GParamSpecPool *cell_property_pool = NULL;
#define PARAM_SPEC_PARAM_ID(pspec) ((pspec)->param_id)
#define PARAM_SPEC_SET_PARAM_ID(pspec, id) ((pspec)->param_id = (id))
enum {
PROP_0,
PROP_CELL_MARGIN_LEFT,
@ -140,6 +138,20 @@ enum {
PROP_CELL_MARGIN_BOTTOM
};
enum {
SIGNAL_FOCUS_LEAVE,
LAST_SIGNAL
};
/* Keep the paramspec pool internal, no need to deliver notifications
* on cells. at least no percieved need for now */
static GParamSpecPool *cell_property_pool = NULL;
static guint cell_area_signals[LAST_SIGNAL] = { 0 };
#define PARAM_SPEC_PARAM_ID(pspec) ((pspec)->param_id)
#define PARAM_SPEC_SET_PARAM_ID(pspec, id) ((pspec)->param_id = (id))
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkCellArea, gtk_cell_area, G_TYPE_INITIALLY_UNOWNED,
G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_LAYOUT,
gtk_cell_area_cell_layout_init));
@ -163,6 +175,8 @@ gtk_cell_area_init (GtkCellArea *area)
priv->cell_border.right = 0;
priv->cell_border.top = 0;
priv->cell_border.bottom = 0;
priv->focus_cell = NULL;
}
static void
@ -191,6 +205,21 @@ gtk_cell_area_class_init (GtkCellAreaClass *class)
class->get_preferred_height_for_width = gtk_cell_area_real_get_preferred_height_for_width;
class->get_preferred_width_for_height = gtk_cell_area_real_get_preferred_width_for_height;
/* focus */
class->grab_focus = NULL;
/* Signals */
cell_area_signals[SIGNAL_FOCUS_LEAVE] =
g_signal_new (I_("focus-leave"),
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0, /* Class offset (just a notification, no class handler) */
NULL, NULL,
_gtk_marshal_VOID__ENUM_STRING,
G_TYPE_NONE, 2,
GTK_TYPE_DIRECTION_TYPE, G_TYPE_STRING);
/* Properties */
g_object_class_install_property (object_class,
PROP_CELL_MARGIN_LEFT,
@ -340,6 +369,9 @@ gtk_cell_area_dispose (GObject *object)
*/
gtk_cell_layout_clear (GTK_CELL_LAYOUT (object));
/* Remove any ref to a focused cell */
gtk_cell_area_set_focus_cell (GTK_CELL_AREA (object), NULL);
G_OBJECT_CLASS (gtk_cell_area_parent_class)->dispose (object);
}
@ -678,7 +710,9 @@ gtk_cell_area_render (GtkCellArea *area,
g_type_name (G_TYPE_FROM_INSTANCE (area)));
}
/* Geometry */
/*************************************************************
* API: Geometry *
*************************************************************/
GtkCellAreaIter *
gtk_cell_area_create_iter (GtkCellArea *area)
{
@ -793,7 +827,9 @@ gtk_cell_area_get_preferred_width_for_height (GtkCellArea *area,
class->get_preferred_width_for_height (area, iter, widget, height, minimum_width, natural_width);
}
/* Attributes */
/*************************************************************
* API: Attributes *
*************************************************************/
void
gtk_cell_area_attribute_connect (GtkCellArea *area,
GtkCellRenderer *renderer,
@ -927,7 +963,9 @@ gtk_cell_area_apply_attributes (GtkCellArea *area,
g_hash_table_foreach (priv->cell_info, (GHFunc)apply_cell_attributes, &data);
}
/* Cell Properties */
/*************************************************************
* API: Cell Properties *
*************************************************************/
void
gtk_cell_area_class_install_cell_property (GtkCellAreaClass *aclass,
guint property_id,
@ -1272,7 +1310,102 @@ gtk_cell_area_cell_get_property (GtkCellArea *area,
}
}
/* Margins */
/*************************************************************
* API: Focus *
*************************************************************/
void
gtk_cell_area_grab_focus (GtkCellArea *area,
GtkDirectionType direction)
{
GtkCellAreaClass *class;
g_return_if_fail (GTK_IS_CELL_AREA (area));
class = GTK_CELL_AREA_GET_CLASS (area);
if (class->grab_focus)
class->grab_focus (area, direction);
else
g_warning ("GtkCellAreaClass::grab_focus not implemented for `%s'",
g_type_name (G_TYPE_FROM_INSTANCE (area)));
}
void
gtk_cell_area_focus_leave (GtkCellArea *area,
GtkDirectionType direction,
const gchar *path)
{
g_return_if_fail (GTK_IS_CELL_AREA (area));
g_signal_emit (area, cell_area_signals[SIGNAL_FOCUS_LEAVE], 0, direction, path);
}
void
gtk_cell_area_set_can_focus (GtkCellArea *area,
gboolean can_focus)
{
GtkCellAreaPrivate *priv;
g_return_if_fail (GTK_IS_CELL_AREA (area));
priv = area->priv;
if (priv->can_focus != can_focus)
{
priv->can_focus = can_focus;
}
}
gboolean
gtk_cell_area_get_can_focus (GtkCellArea *area)
{
GtkCellAreaPrivate *priv;
g_return_val_if_fail (GTK_IS_CELL_AREA (area), FALSE);
priv = area->priv;
return priv->can_focus;
}
void
gtk_cell_area_set_focus_cell (GtkCellArea *area,
GtkCellRenderer *renderer)
{
GtkCellAreaPrivate *priv;
g_return_if_fail (GTK_IS_CELL_AREA (area));
g_return_if_fail (renderer == NULL || GTK_IS_CELL_RENDERER (renderer));
priv = area->priv;
if (priv->focus_cell != renderer)
{
if (priv->focus_cell)
g_object_unref (priv->focus_cell);
priv->focus_cell = renderer;
if (priv->focus_cell)
g_object_ref (priv->focus_cell);
}
}
GtkCellRenderer *
gtk_cell_area_get_focus_cell (GtkCellArea *area)
{
GtkCellAreaPrivate *priv;
g_return_val_if_fail (GTK_IS_CELL_AREA (area), NULL);
priv = area->priv;
return priv->focus_cell;
}
/*************************************************************
* API: Margins *
*************************************************************/
gint
gtk_cell_area_get_cell_margin_left (GtkCellArea *area)
{

18
gtk/gtkcellarea.h
View File

@ -130,6 +130,10 @@ struct _GtkCellAreaClass
GValue *value,
GParamSpec *pspec);
/* Focus */
void (* grab_focus) (GtkCellArea *area,
GtkDirectionType direction);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
@ -242,6 +246,20 @@ void gtk_cell_area_cell_get_property (GtkCellArea
#define GTK_CELL_AREA_WARN_INVALID_CHILD_PROPERTY_ID(object, property_id, pspec) \
G_OBJECT_WARN_INVALID_PSPEC ((object), "cell property id", (property_id), (pspec))
/* Focus */
void gtk_cell_area_grab_focus (GtkCellArea *area,
GtkDirectionType direction);
void gtk_cell_area_focus_leave (GtkCellArea *area,
GtkDirectionType direction,
const gchar *path);
void gtk_cell_area_set_can_focus (GtkCellArea *area,
gboolean can_focus);
gboolean gtk_cell_area_get_can_focus (GtkCellArea *area);
void gtk_cell_area_set_focus_cell (GtkCellArea *area,
GtkCellRenderer *renderer);
GtkCellRenderer *gtk_cell_area_get_focus_cell (GtkCellArea *area);
/* Margins */
gint gtk_cell_area_get_cell_margin_left (GtkCellArea *area);
void gtk_cell_area_set_cell_margin_left (GtkCellArea *area,

1
gtk/gtkmarshalers.list
View File

@ -69,6 +69,7 @@ VOID:ENUM,FLOAT,BOOLEAN
VOID:ENUM,INT
VOID:ENUM,INT,BOOLEAN
VOID:ENUM,BOXED
VOID:ENUM,STRING
VOID:INT
VOID:INT,BOOLEAN
VOID:INT,INT