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text: Add ::cursor-changed signal
Since we are trying to eliminate the ClutterGeometry type, we should replace the only entry point still using it: the ::cursor-event signal of ClutterText. Instead of passing the cursor geometry, we should add an accessor function. The combination of signal and getter for the cursor geometry means that we can deprecate ClutterText::cursor-event, and mark it for removal in Clutter 2.0. https://bugzilla.gnome.org/show_bug.cgi?id=682789
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@ -67,6 +67,9 @@
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/* cursor width in pixels */
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#define DEFAULT_CURSOR_SIZE 2
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/* vertical padding for the cursor */
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#define CURSOR_Y_PADDING 2
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/* We need at least three cached layouts to run the allocation without
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* regenerating a new layout. First the layout will be generated at
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* full width to get the preferred width, then it will be generated at
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@ -168,7 +171,7 @@ struct _ClutterTextPrivate
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gint text_y;
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/* Where to draw the cursor */
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ClutterGeometry cursor_pos;
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ClutterRect cursor_rect;
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ClutterColor cursor_color;
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guint cursor_size;
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@ -262,10 +265,11 @@ static GParamSpec *obj_props[PROP_LAST];
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enum
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{
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TEXT_CHANGED,
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CURSOR_EVENT,
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CURSOR_EVENT, /* XXX:2.0 - remove */
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ACTIVATE,
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INSERT_TEXT,
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DELETE_TEXT,
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CURSOR_CHANGED,
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LAST_SIGNAL
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};
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@ -974,9 +978,7 @@ clutter_text_ensure_cursor_position (ClutterText *self)
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{
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ClutterTextPrivate *priv = self->priv;
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gfloat x, y, cursor_height;
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ClutterGeometry cursor_pos = { 0, };
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gboolean x_changed, y_changed;
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gboolean width_changed, height_changed;
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ClutterRect cursor_rect = CLUTTER_RECT_INIT_ZERO;
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gint position;
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position = priv->position;
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@ -985,6 +987,7 @@ clutter_text_ensure_cursor_position (ClutterText *self)
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{
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if (position == -1)
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position = clutter_text_buffer_get_length (get_buffer (self));
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position += priv->preedit_cursor_pos;
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}
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@ -998,21 +1001,26 @@ clutter_text_ensure_cursor_position (ClutterText *self)
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&x, &y,
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&cursor_height);
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cursor_pos.x = x;
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cursor_pos.y = y + 2;
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cursor_pos.width = priv->cursor_size;
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cursor_pos.height = cursor_height - 4;
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clutter_rect_init (&cursor_rect,
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x,
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y + CURSOR_Y_PADDING,
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priv->cursor_size,
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cursor_height - 2 * CURSOR_Y_PADDING);
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x_changed = priv->cursor_pos.x != cursor_pos.x;
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y_changed = priv->cursor_pos.y != cursor_pos.y;
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width_changed = priv->cursor_pos.width != cursor_pos.width;
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height_changed = priv->cursor_pos.height != cursor_pos.height;
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if (x_changed || y_changed || width_changed || height_changed)
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if (!clutter_rect_equals (&priv->cursor_rect, &cursor_rect))
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{
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priv->cursor_pos = cursor_pos;
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ClutterGeometry cursor_pos;
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g_signal_emit (self, text_signals[CURSOR_EVENT], 0, &priv->cursor_pos);
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priv->cursor_rect = cursor_rect;
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/* XXX:2.0 - remove */
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cursor_pos.x = clutter_rect_get_x (&priv->cursor_rect);
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cursor_pos.y = clutter_rect_get_y (&priv->cursor_rect);
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cursor_pos.width = clutter_rect_get_width (&priv->cursor_rect);
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cursor_pos.height = clutter_rect_get_height (&priv->cursor_rect);
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g_signal_emit (self, text_signals[CURSOR_EVENT], 0, &cursor_pos);
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g_signal_emit (self, text_signals[CURSOR_CHANGED], 0);
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}
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}
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@ -1590,14 +1598,12 @@ selection_paint (ClutterText *self)
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cogl_set_source_color4ub (color->red,
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color->green,
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color->blue,
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paint_opacity
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* color->alpha
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/ 255);
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paint_opacity * color->alpha / 255);
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cogl_rectangle (priv->cursor_pos.x,
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priv->cursor_pos.y,
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priv->cursor_pos.x + priv->cursor_pos.width,
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priv->cursor_pos.y + priv->cursor_pos.height);
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cogl_rectangle (priv->cursor_rect.origin.x,
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priv->cursor_rect.origin.y,
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priv->cursor_rect.origin.x + priv->cursor_rect.size.width,
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priv->cursor_rect.origin.y + priv->cursor_rect.size.height);
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}
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else
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{
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@ -2275,7 +2281,7 @@ clutter_text_paint (ClutterActor *self)
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if (actor_width < text_width)
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{
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gint cursor_x = priv->cursor_pos.x;
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gint cursor_x = clutter_rect_get_x (&priv->cursor_rect);
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if (priv->position == -1)
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{
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@ -2386,12 +2392,13 @@ clutter_text_get_paint_volume_for_cursor (ClutterText *text,
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if (priv->position == priv->selection_bound)
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{
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origin.x = priv->cursor_pos.x;
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origin.y = priv->cursor_pos.y;
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origin.x = priv->cursor_rect.origin.x;
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origin.y = priv->cursor_rect.origin.y;
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origin.z = 0;
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clutter_paint_volume_set_origin (volume, &origin);
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clutter_paint_volume_set_width (volume, priv->cursor_pos.width);
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clutter_paint_volume_set_height (volume, priv->cursor_pos.height);
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clutter_paint_volume_set_width (volume, priv->cursor_rect.size.width);
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clutter_paint_volume_set_height (volume, priv->cursor_rect.size.height);
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}
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else
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{
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@ -3901,17 +3908,37 @@ clutter_text_class_init (ClutterTextClass *klass)
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* itself.
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*
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* Since: 1.0
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*
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* Deprecated: 1.16: Use the #ClutterText::cursor-changed signal instead
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*/
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text_signals[CURSOR_EVENT] =
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g_signal_new (I_("cursor-event"),
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_LAST,
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G_SIGNAL_RUN_LAST | G_SIGNAL_DEPRECATED,
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G_STRUCT_OFFSET (ClutterTextClass, cursor_event),
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NULL, NULL,
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_clutter_marshal_VOID__BOXED,
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G_TYPE_NONE, 1,
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CLUTTER_TYPE_GEOMETRY | G_SIGNAL_TYPE_STATIC_SCOPE);
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/**
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* ClutterText::cursor-changed:
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* @self: the #ClutterText that emitted the signal
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*
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* The ::cursor-changed signal is emitted whenever the cursor
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* position or size changes.
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*
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* Since: 1.16
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*/
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text_signals[CURSOR_CHANGED] =
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g_signal_new (I_("cursor-changed"),
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ClutterTextClass, cursor_changed),
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NULL, NULL,
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_clutter_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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/**
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* ClutterText::activate:
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* @self: the #ClutterText that emitted the signal
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@ -4088,7 +4115,6 @@ clutter_text_init (ClutterText *self)
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priv->text_y = 0;
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priv->cursor_size = DEFAULT_CURSOR_SIZE;
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memset (&priv->cursor_pos, 0, sizeof (ClutterGeometry));
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priv->settings_changed_id =
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g_signal_connect_swapped (clutter_get_default_backend (),
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@ -6156,3 +6182,25 @@ clutter_text_get_layout_offsets (ClutterText *self,
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if (y != NULL)
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*y = priv->text_y;
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}
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/**
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* clutter_text_get_cursor_rect:
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* @self: a #ClutterText
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* @rect: (out caller-allocates): return location of a #ClutterRect
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*
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* Retrieves the rectangle that contains the cursor.
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*
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* The coordinates of the rectangle's origin are in actor-relative
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* coordinates.
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*
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* Since: 1.16
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*/
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void
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clutter_text_get_cursor_rect (ClutterText *self,
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ClutterRect *rect)
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{
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g_return_if_fail (CLUTTER_IS_TEXT (self));
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g_return_if_fail (rect != NULL);
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*rect = self->priv->cursor_rect;
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}
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@ -65,7 +65,8 @@ struct _ClutterText
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* ClutterTextClass:
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* @text_changed: class handler for the #ClutterText::text-changed signal
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* @activate: class handler for the #ClutterText::activate signal
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* @cursor_event: class handler for the #ClutterText::cursor_event signal
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* @cursor_event: class handler for the #ClutterText::cursor-event signal
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* @cursor_changed: class handler for the #ClutterText::cursor-changed signal
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*
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* The #ClutterTextClass struct contains only private data.
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*
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@ -78,10 +79,11 @@ struct _ClutterTextClass
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/*< public >*/
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/* signals, not vfuncs */
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void (* text_changed) (ClutterText *self);
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void (* activate) (ClutterText *self);
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void (* cursor_event) (ClutterText *self,
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const ClutterGeometry *geometry);
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void (* text_changed) (ClutterText *self);
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void (* activate) (ClutterText *self);
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void (* cursor_event) (ClutterText *self,
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const ClutterGeometry *geometry);
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void (* cursor_changed) (ClutterText *self);
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/*< private >*/
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/* padding for future expansion */
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@ -92,7 +94,6 @@ struct _ClutterTextClass
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void (* _clutter_reserved5) (void);
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void (* _clutter_reserved6) (void);
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void (* _clutter_reserved7) (void);
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void (* _clutter_reserved8) (void);
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};
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GType clutter_text_get_type (void) G_GNUC_CONST;
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@ -182,6 +183,8 @@ void clutter_text_get_cursor_color (ClutterText *s
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void clutter_text_set_cursor_size (ClutterText *self,
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gint size);
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guint clutter_text_get_cursor_size (ClutterText *self);
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void clutter_text_get_cursor_rect (ClutterText *self,
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ClutterRect *rect);
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void clutter_text_set_selectable (ClutterText *self,
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gboolean selectable);
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gboolean clutter_text_get_selectable (ClutterText *self);
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@ -1413,6 +1413,7 @@ clutter_text_get_chars
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clutter_text_get_color
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clutter_text_get_cursor_color
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clutter_text_get_cursor_position
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clutter_text_get_cursor_rect
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clutter_text_get_cursor_size
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clutter_text_get_cursor_visible
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clutter_text_get_editable
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