void
gtk_cell_view_set_background_color (GtkCellView *view,
const GdkColor *color)
{
g_return_if_fail (GTK_IS_CELL_VIEW (view));
if (color)
{
if (!view->priv->background_set)
{
view->priv->background_set = TRUE;
g_object_notify (G_OBJECT (view), "background_set");
}
view->priv->background = *color;
}
else
{
if (view->priv->background_set)
{
view->priv->background_set = FALSE;
g_object_notify (G_OBJECT (view), "background_set");
}
}
}
/**
* gtk_cell_view_set_background_color:
* @cell_view: a #GtkCellView
* @color: the new background color
*
* Sets the background color of @view.
*
* Since: 2.6
*/
void
gtk_cell_view_set_background_color (GtkCellView *cell_view,
const GdkColor *color)
{
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
if (color)
{
if (!cell_view->priv->background_set)
{
cell_view->priv->background_set = TRUE;
g_object_notify (G_OBJECT (cell_view), "background-set");
}
cell_view->priv->background.red = color->red / 65535.;
cell_view->priv->background.green = color->green / 65535.;
cell_view->priv->background.blue = color->blue / 65535.;
cell_view->priv->background.alpha = 1;
}
else
{
if (cell_view->priv->background_set)
{
cell_view->priv->background_set = FALSE;
g_object_notify (G_OBJECT (cell_view), "background-set");
}
}
gtk_widget_queue_draw (GTK_WIDGET (cell_view));
}
static void
gtk_cell_view_cell_layout_set_cell_data_func (GtkCellLayout *layout,
GtkCellRenderer *cell,
GtkCellLayoutDataFunc func,
gpointer func_data,
GDestroyNotify destroy)
{
GtkCellView *cellview = GTK_CELL_VIEW (layout);
GtkCellViewCellInfo *info;
g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
info = gtk_cell_view_get_cell_info (cellview, cell);
g_return_if_fail (info != NULL);
if (info->destroy)
{
GDestroyNotify d = info->destroy;
info->destroy = NULL;
d (info->func_data);
}
info->func = func;
info->func_data = func_data;
info->destroy = destroy;
}
gboolean
gtk_cell_view_get_size_of_row (GtkCellView *cell_view,
GtkTreePath *path,
GtkRequisition *requisition)
{
GtkTreeRowReference *tmp;
GtkRequisition req;
g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
g_return_val_if_fail (path != NULL, FALSE);
g_return_val_if_fail (requisition != NULL, FALSE);
tmp = cell_view->priv->displayed_row;
cell_view->priv->displayed_row =
gtk_tree_row_reference_new (cell_view->priv->model, path);
gtk_cell_view_size_request (GTK_WIDGET (cell_view), requisition);
gtk_tree_row_reference_free (cell_view->priv->displayed_row);
cell_view->priv->displayed_row = tmp;
/* restore actual size info */
gtk_cell_view_size_request (GTK_WIDGET (cell_view), &req);
return TRUE;
}
/**
* gtk_cell_view_get_size_of_row:
* @cell_view: a #GtkCellView
* @path: a #GtkTreePath
* @requisition: (out): return location for the size
*
* Sets @requisition to the size needed by @cell_view to display
* the model row pointed to by @path.
*
* Return value: %TRUE
*
* Since: 2.6
*
* Deprecated: 3.0: Combo box formerly used this to calculate the
* sizes for cellviews, now you can achieve this by either using
* the #GtkCellView:fit-model property or by setting the currently
* displayed row of the #GtkCellView and using gtk_widget_get_preferred_size().
*/
gboolean
gtk_cell_view_get_size_of_row (GtkCellView *cell_view,
GtkTreePath *path,
GtkRequisition *requisition)
{
GtkTreeRowReference *tmp;
GtkRequisition req;
g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
g_return_val_if_fail (path != NULL, FALSE);
tmp = cell_view->priv->displayed_row;
cell_view->priv->displayed_row =
gtk_tree_row_reference_new (cell_view->priv->model, path);
gtk_widget_get_preferred_width (GTK_WIDGET (cell_view), &req.width, NULL);
gtk_widget_get_preferred_height_for_width (GTK_WIDGET (cell_view), req.width, &req.height, NULL);
gtk_tree_row_reference_free (cell_view->priv->displayed_row);
cell_view->priv->displayed_row = tmp;
if (requisition)
*requisition = req;
return TRUE;
}
/**
* gtk_cell_view_set_model:
* @cell_view: a #GtkCellView
* @model: (allow-none): a #GtkTreeModel
*
* Sets the model for @cell_view. If @cell_view already has a model
* set, it will remove it before setting the new model. If @model is
* %NULL, then it will unset the old model.
*
* Since: 2.6
*/
void
gtk_cell_view_set_model (GtkCellView *cell_view,
GtkTreeModel *model)
{
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
if (cell_view->priv->model)
{
g_signal_handler_disconnect (cell_view->priv->model,
cell_view->priv->row_changed_id);
cell_view->priv->row_changed_id = 0;
if (cell_view->priv->displayed_row)
gtk_tree_row_reference_free (cell_view->priv->displayed_row);
cell_view->priv->displayed_row = NULL;
g_object_unref (cell_view->priv->model);
}
cell_view->priv->model = model;
if (cell_view->priv->model)
{
g_object_ref (cell_view->priv->model);
cell_view->priv->row_changed_id =
g_signal_connect (cell_view->priv->model, "row-changed",
G_CALLBACK (row_changed_cb), cell_view);
}
}
static GtkWidget *
get_label_from_container (GtkWidget *container)
{
GtkWidget *label;
GList *children, *tmp_list;
if (!GTK_IS_CONTAINER (container))
return NULL;
children = gtk_container_get_children (GTK_CONTAINER (container));
label = NULL;
for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
{
if (GTK_IS_LABEL (tmp_list->data))
{
label = tmp_list->data;
break;
}
else if (GTK_IS_CELL_VIEW (tmp_list->data))
{
label = tmp_list->data;
break;
}
else if (GTK_IS_BOX (tmp_list->data))
{
label = get_label_from_container (GTK_WIDGET (tmp_list->data));
if (label)
break;
}
}
g_list_free (children);
return label;
}
/**
* gtk_cell_view_get_model:
* @cell_view: a #GtkCellView
*
* Returns the model for @cell_view. If no model is used %NULL is
* returned.
*
* Returns: (transfer none): a #GtkTreeModel used or %NULL
*
* Since: 2.16
**/
GtkTreeModel *
gtk_cell_view_get_model (GtkCellView *cell_view)
{
g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), NULL);
return cell_view->priv->model;
}
static void
gtk_cell_view_cell_layout_reorder (GtkCellLayout *layout,
GtkCellRenderer *cell,
gint position)
{
GList *link;
GtkCellViewCellInfo *info;
GtkCellView *cellview = GTK_CELL_VIEW (layout);
g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
info = gtk_cell_view_get_cell_info (cellview, cell);
g_return_if_fail (info != NULL);
g_return_if_fail (position >= 0);
link = g_list_find (cellview->priv->cell_list, info);
g_return_if_fail (link != NULL);
cellview->priv->cell_list = g_list_remove_link (cellview->priv->cell_list,
link);
cellview->priv->cell_list = g_list_insert (cellview->priv->cell_list,
info, position);
gtk_widget_queue_draw (GTK_WIDGET (cellview));
}
static void
gtk_cell_view_cell_layout_clear_attributes (GtkCellLayout *layout,
GtkCellRenderer *renderer)
{
GtkCellViewCellInfo *info;
GtkCellView *cellview = GTK_CELL_VIEW (layout);
GSList *list;
g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
info = gtk_cell_view_get_cell_info (cellview, renderer);
if (info != NULL)
{
list = info->attributes;
while (list && list->next)
{
g_free (list->data);
list = list->next->next;
}
g_slist_free (info->attributes);
info->attributes = NULL;
}
}
/**
* gtk_cell_view_set_background_rgba:
* @cell_view: a #GtkCellView
* @rgba: the new background color
*
* Sets the background color of @cell_view.
*
* Since: 3.0
*/
void
gtk_cell_view_set_background_rgba (GtkCellView *cell_view,
const GdkRGBA *rgba)
{
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
if (rgba)
{
if (!cell_view->priv->background_set)
{
cell_view->priv->background_set = TRUE;
g_object_notify (G_OBJECT (cell_view), "background-set");
}
cell_view->priv->background = *rgba;
}
else
{
if (cell_view->priv->background_set)
{
cell_view->priv->background_set = FALSE;
g_object_notify (G_OBJECT (cell_view), "background-set");
}
}
gtk_widget_queue_draw (GTK_WIDGET (cell_view));
}
//________________________________________________________________________________
void ComboBoxData::initializeCellView( GtkWidget* widget )
{
GList* children( gtk_container_get_children( GTK_CONTAINER( widget ) ) );
for( GList* child = g_list_first(children); child; child = g_list_next(child) )
{
if( !GTK_IS_CELL_VIEW( child->data ) ) continue;
// convert to widget and store
GtkWidget* widget( GTK_WIDGET( child->data ) );
if( _cell._widget == widget ) return;
assert( !_cell._widget );
_cell._widget = GTK_WIDGET( child->data );
_cell._destroyId.connect( G_OBJECT(widget), "destroy", G_CALLBACK( childDestroyNotifyEvent ), this );
updateCellViewColor();
}
if( children ) g_list_free( children );
return;
}
/**
* gtk_cell_view_get_displayed_row:
* @cell_view: a #GtkCellView
*
* Returns a #GtkTreePath referring to the currently
* displayed row. If no row is currently displayed,
* %NULL is returned.
*
* Returns: the currently displayed row or %NULL
*
* Since: 2.6
*/
GtkTreePath *
gtk_cell_view_get_displayed_row (GtkCellView *cell_view)
{
g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), NULL);
if (!cell_view->priv->displayed_row)
return NULL;
return gtk_tree_row_reference_get_path (cell_view->priv->displayed_row);
}
/**
* gtk_cell_view_get_fit_model:
* @cell_view: a #GtkCellView
*
* Gets whether @cell_view is configured to request space
* to fit the entire #GtkTreeModel.
*
* Return value: whether @cell_view requests space to fit
* the entire #GtkTreeModel.
*
* Since: 3.0
*/
gboolean
gtk_cell_view_get_fit_model (GtkCellView *cell_view)
{
GtkCellViewPrivate *priv;
g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
priv = cell_view->priv;
return priv->fit_model;
}
/**
* gtk_cell_view_get_draw_sensitive:
* @cell_view: a #GtkCellView
*
* Gets whether @cell_view is configured to draw all of it's
* cells in a sensitive state.
*
* Return value: whether @cell_view draws all of it's
* cells in a sensitive state
*
* Since: 3.0
*/
gboolean
gtk_cell_view_get_draw_sensitive (GtkCellView *cell_view)
{
GtkCellViewPrivate *priv;
g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
priv = cell_view->priv;
return priv->draw_sensitive;
}
void
gtk_cell_view_set_value (GtkCellView *cell_view,
GtkCellRenderer *renderer,
gchar *property,
GValue *value)
{
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
g_object_set_property (G_OBJECT (renderer), property, value);
/* force resize and redraw */
gtk_widget_queue_resize (GTK_WIDGET (cell_view));
gtk_widget_queue_draw (GTK_WIDGET (cell_view));
}
void
gtk_cell_view_set_values (GtkCellView *cell_view,
GtkCellRenderer *renderer,
...)
{
va_list args;
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
g_return_if_fail (gtk_cell_view_get_cell_info (cell_view, renderer));
va_start (args, renderer);
gtk_cell_view_set_valuesv (cell_view, renderer, args);
va_end (args);
}
/**
* gtk_cell_view_set_draw_sensitive:
* @cell_view: a #GtkCellView
* @draw_sensitive: whether to draw all cells in a sensitive state.
*
* Sets whether @cell_view should draw all of it's
* cells in a sensitive state, this is used by #GtkComboBox menus
* to ensure that rows with insensitive cells that contain
* children appear sensitive in the parent menu item.
*
* Since: 3.0
*/
void
gtk_cell_view_set_draw_sensitive (GtkCellView *cell_view,
gboolean draw_sensitive)
{
GtkCellViewPrivate *priv;
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
priv = cell_view->priv;
if (priv->draw_sensitive != draw_sensitive)
{
priv->draw_sensitive = draw_sensitive;
g_object_notify (G_OBJECT (cell_view), "draw-sensitive");
}
}
static void
gtk_cell_view_cell_layout_clear (GtkCellLayout *layout)
{
GtkCellView *cellview = GTK_CELL_VIEW (layout);
g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
while (cellview->priv->cell_list)
{
GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)cellview->priv->cell_list->data;
gtk_cell_view_cell_layout_clear_attributes (layout, info->cell);
g_object_unref (G_OBJECT (info->cell));
g_free (info);
cellview->priv->cell_list = g_list_delete_link (cellview->priv->cell_list,
cellview->priv->cell_list);
}
}
static void
gtk_cell_view_cell_layout_add_attribute (GtkCellLayout *layout,
GtkCellRenderer *renderer,
const gchar *attribute,
gint column)
{
GtkCellViewCellInfo *info;
GtkCellView *cellview = GTK_CELL_VIEW (layout);
g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
info = gtk_cell_view_get_cell_info (cellview, renderer);
g_return_if_fail (info != NULL);
info->attributes = g_slist_prepend (info->attributes,
GINT_TO_POINTER (column));
info->attributes = g_slist_prepend (info->attributes,
g_strdup (attribute));
}
static void
qtcComboBoxClearBgndColor(GtkWidget *widget)
{
GList *children = gtk_container_get_children(GTK_CONTAINER(widget));
GList *child = children;
for (;child;child=child->next) {
GtkWidget *boxChild = (GtkWidget*)child->data;
if (GTK_IS_CELL_VIEW(boxChild) &&
qtcComboBoxCellViewHasBgnd(boxChild)) {
gtk_cell_view_set_background_color(GTK_CELL_VIEW(boxChild), 0L);
}
}
if (children) {
g_list_free(children);
}
}
/**
* gtk_cell_view_set_fit_model:
* @cell_view: a #GtkCellView
* @fit_model: whether @cell_view should request space for the whole model.
*
* Sets whether @cell_view should request space to fit the entire #GtkTreeModel.
*
* This is used by #GtkComboBox to ensure that the cell view displayed on
* the combo box's button always gets enough space and does not resize
* when selection changes.
*
* Since: 3.0
*/
void
gtk_cell_view_set_fit_model (GtkCellView *cell_view,
gboolean fit_model)
{
GtkCellViewPrivate *priv;
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
priv = cell_view->priv;
if (priv->fit_model != fit_model)
{
priv->fit_model = fit_model;
gtk_cell_area_context_reset (cell_view->priv->context);
g_object_notify (G_OBJECT (cell_view), "fit-model");
}
}
static gchar *
get_text_from_label_widget (GtkWidget *label)
{
if (GTK_IS_LABEL (label))
return g_strdup (gtk_label_get_text (GTK_LABEL (label)));
else if (GTK_IS_CELL_VIEW (label))
{
GList *cells, *l;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path;
GtkCellArea *area;
gchar *text;
model = gtk_cell_view_get_model (GTK_CELL_VIEW (label));
path = gtk_cell_view_get_displayed_row (GTK_CELL_VIEW (label));
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (label));
gtk_cell_area_apply_attributes (area, model, &iter, FALSE, FALSE);
cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (label));
text = NULL;
for (l = cells; l; l = l->next)
{
GtkCellRenderer *cell = l->data;
if (GTK_IS_CELL_RENDERER_TEXT (cell))
{
g_object_get (cell, "text", &text, NULL);
break;
}
}
g_list_free (cells);
return text;
}
return NULL;
}
static void
gtk_cell_view_cell_layout_pack_end (GtkCellLayout *layout,
GtkCellRenderer *renderer,
gboolean expand)
{
GtkCellViewCellInfo *info;
GtkCellView *cellview = GTK_CELL_VIEW (layout);
g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
g_return_if_fail (!gtk_cell_view_get_cell_info (cellview, renderer));
g_object_ref (G_OBJECT (renderer));
gtk_object_sink (GTK_OBJECT (renderer));
info = g_new0 (GtkCellViewCellInfo, 1);
info->cell = renderer;
info->expand = expand ? TRUE : FALSE;
info->pack = GTK_PACK_END;
cellview->priv->cell_list = g_list_append (cellview->priv->cell_list, info);
}
void
gtk_cell_view_set_model (GtkCellView *cell_view,
GtkTreeModel *model)
{
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
g_return_if_fail (GTK_IS_TREE_MODEL (model));
if (cell_view->priv->model)
{
if (cell_view->priv->displayed_row)
gtk_tree_row_reference_free (cell_view->priv->displayed_row);
cell_view->priv->displayed_row = NULL;
g_object_unref (G_OBJECT (cell_view->priv->model));
cell_view->priv->model = NULL;
}
cell_view->priv->model = model;
if (cell_view->priv->model)
g_object_ref (G_OBJECT (cell_view->priv->model));
}
/**
* gtk_cell_view_set_displayed_row:
* @cell_view: a #GtkCellView
* @path: (allow-none): a #GtkTreePath or %NULL to unset.
*
* Sets the row of the model that is currently displayed
* by the #GtkCellView. If the path is unset, then the
* contents of the cellview "stick" at their last value;
* this is not normally a desired result, but may be
* a needed intermediate state if say, the model for
* the #GtkCellView becomes temporarily empty.
*
* Since: 2.6
**/
void
gtk_cell_view_set_displayed_row (GtkCellView *cell_view,
GtkTreePath *path)
{
g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
g_return_if_fail (GTK_IS_TREE_MODEL (cell_view->priv->model));
if (cell_view->priv->displayed_row)
gtk_tree_row_reference_free (cell_view->priv->displayed_row);
if (path)
{
cell_view->priv->displayed_row =
gtk_tree_row_reference_new (cell_view->priv->model, path);
}
else
cell_view->priv->displayed_row = NULL;
/* force resize and redraw */
gtk_widget_queue_resize (GTK_WIDGET (cell_view));
gtk_widget_queue_draw (GTK_WIDGET (cell_view));
}
