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st-im-text: Override ClutterText's cursor_event to set cursor position

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This is both more efficient and accurate than doing it from the paint
vfunc.

https://bugzilla.gnome.org/show_bug.cgi?id=697722
This commit is contained in:
Rui Matos 2013-04-10 16:31:39 +02:00
parent 07053c3df7
commit 86c92c37d2
1 changed files with 13 additions and 28 deletions
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41
src/st/st-im-text.c
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@ -74,27 +74,24 @@ st_im_text_dispose (GObject *object)
}
static void
update_im_cursor_location (StIMText *self)
st_im_text_cursor_event (ClutterText *self,
const ClutterGeometry *geometry)
{
StIMTextPrivate *priv = self->priv;
ClutterText *clutter_text = CLUTTER_TEXT (self);
gint position;
gfloat cursor_x, cursor_y, cursor_height;
StIMTextPrivate *priv = ST_IM_TEXT (self)->priv;
gfloat actor_x, actor_y;
GdkRectangle area;
position = clutter_text_get_cursor_position (clutter_text);
clutter_text_position_to_coords (clutter_text, position,
&cursor_x, &cursor_y, &cursor_height);
clutter_actor_get_transformed_position (CLUTTER_ACTOR (self), &actor_x, &actor_y);
area.x = (int)(0.5 + cursor_x + actor_x);
area.y = (int)(0.5 + cursor_y + actor_y);
area.width = 0;
area.height = (int)(0.5 + cursor_height);
area.x = (int)(0.5 + geometry->x + actor_x);
area.y = (int)(0.5 + geometry->y + actor_y);
area.width = geometry->width;
area.height = geometry->height;
gtk_im_context_set_cursor_location (priv->im_context, &area);
if (CLUTTER_TEXT_CLASS (st_im_text_parent_class)->cursor_event)
CLUTTER_TEXT_CLASS (st_im_text_parent_class)->cursor_event (self, geometry);
}
static void
@ -190,20 +187,6 @@ reset_im_context (StIMText *self)
}
}
static void
st_im_text_paint (ClutterActor *actor)
{
StIMText *self = ST_IM_TEXT (actor);
ClutterText *clutter_text = CLUTTER_TEXT (actor);
/* This updates the cursor position as a side-effect */
if (CLUTTER_ACTOR_CLASS (st_im_text_parent_class)->paint)
CLUTTER_ACTOR_CLASS (st_im_text_parent_class)->paint (actor);
if (clutter_text_get_editable (clutter_text))
update_im_cursor_location (self);
}
static gboolean
st_im_text_get_paint_volume (ClutterActor *self,
ClutterPaintVolume *volume)
@ -426,12 +409,12 @@ st_im_text_class_init (StIMTextClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
ClutterTextClass *text_class = CLUTTER_TEXT_CLASS (klass);
g_type_class_add_private (klass, sizeof (StIMTextPrivate));
object_class->dispose = st_im_text_dispose;
actor_class->paint = st_im_text_paint;
actor_class->get_paint_volume = st_im_text_get_paint_volume;
actor_class->realize = st_im_text_realize;
actor_class->unrealize = st_im_text_unrealize;
@ -440,6 +423,8 @@ st_im_text_class_init (StIMTextClass *klass)
actor_class->captured_event = st_im_text_captured_event;
actor_class->key_focus_in = st_im_text_key_focus_in;
actor_class->key_focus_out = st_im_text_key_focus_out;
text_class->cursor_event = st_im_text_cursor_event;
}
static void