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stage: Add :accept-focus property and accessors

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Allow the developer to set whether the Stage should receive key focus
when mapped. The implementation is fully backend-dependent. The default
value is TRUE because that's what we've been expecting so far.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2500
This commit is contained in:
Emmanuele Bassi 2010-12-28 17:37:18 +00:00
parent e1cd6f49b2
commit bbede9fef5
3 changed files with 72 additions and 1 deletions
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67
clutter/clutter-stage.c
View File

@ -147,6 +147,7 @@ struct _ClutterStagePrivate
guint dirty_viewport : 1;
guint dirty_projection : 1;
guint have_valid_pick_buffer : 1;
guint accept_focus : 1;
};
enum
@ -164,7 +165,8 @@ enum
PROP_FOG,
PROP_USE_ALPHA,
PROP_KEY_FOCUS,
PROP_NO_CLEAR_HINT
PROP_NO_CLEAR_HINT,
PROP_ACCEPT_FOCUS
};
enum
@ -1424,6 +1426,20 @@ clutter_stage_class_init (ClutterStageClass *klass)
CLUTTER_PARAM_READWRITE);
g_object_class_install_property (gobject_class, PROP_NO_CLEAR_HINT, pspec);
/**
* ClutterStage:accept-focus:
*
* Whether the #ClutterStage should accept key focus when shown.
*
* Since: 1.6
*/
pspec = g_param_spec_boolean ("accept-focus",
P_("Accept Focus"),
P_("Whether the stage should accept focus on show"),
TRUE,
CLUTTER_PARAM_READWRITE);
g_object_class_install_property (gobject_class, PROP_ACCEPT_FOCUS, pspec);
/**
* ClutterStage::fullscreen
* @stage: the stage which was fullscreened
@ -3308,3 +3324,52 @@ _clutter_stage_maybe_finish_queue_redraws (ClutterStage *stage)
}
}
/**
* clutter_stage_get_accept_focus:
* @stage: a #ClutterStage
* @accept_focus: %TRUE to accept focus on show
*
* Sets whether the @stage should accept the key focus when shown.
*
* This function should be called before showing @stage using
* clutter_actor_show().
*
* Since: 1.6
*/
void
clutter_stage_set_accept_focus (ClutterStage *stage,
gboolean accept_focus)
{
ClutterStagePrivate *priv;
g_return_if_fail (CLUTTER_IS_STAGE (stage));
accept_focus = !!accept_focus;
priv = stage->priv;
if (priv->accept_focus != accept_focus)
{
_clutter_stage_window_set_accept_focus (priv->impl, accept_focus);
g_object_notify (G_OBJECT (stage), "accept-focus");
}
}
/**
* clutter_stage_get_accept_focus:
* @stage: a #ClutterStage
*
* Retrieves the value set with clutter_stage_set_accept_focus().
*
* Return value: %TRUE if the #ClutterStage should accept focus, and %FALSE
* otherwise
*
* Since: 1.6
*/
gboolean
clutter_stage_get_accept_focus (ClutterStage *stage)
{
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), TRUE);
return stage->priv->accept_focus;
}

4
clutter/clutter-stage.h
View File

@ -258,6 +258,10 @@ void clutter_stage_set_no_clear_hint (ClutterStage *stage,
gboolean no_clear);
gboolean clutter_stage_get_no_clear_hint (ClutterStage *stage);
void clutter_stage_set_accept_focus (ClutterStage *stage,
gboolean accept_focus);
gboolean clutter_stage_get_accept_focus (ClutterStage *stage);
/* Commodity macro, for mallum only */
#define clutter_stage_add(stage,actor) G_STMT_START { \
if (CLUTTER_IS_STAGE ((stage)) && CLUTTER_IS_ACTOR ((actor))) \

2
doc/reference/clutter/clutter-sections.txt
View File

@ -605,6 +605,8 @@ clutter_stage_set_minimum_size
clutter_stage_get_minimum_size
clutter_stage_set_no_clear_hint
clutter_stage_get_no_clear_hint
clutter_stage_set_accept_focus
clutter_stage_get_accept_focus
<SUBSECTION>
ClutterPerspective