* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkiconview.h"
#include "gtkiconviewprivate.h"
+#include "gtkadjustment.h"
#include "gtkcelllayout.h"
#include "gtkcellrenderer.h"
#include "gtkcellareabox.h"
#include "gtktreednd.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
-#include "a11y/gtkiconviewaccessible.h"
+#include "a11y/gtkiconviewaccessibleprivate.h"
/**
* SECTION:gtkiconview
#define SCROLL_EDGE_SIZE 15
-#define GTK_ICON_VIEW_PRIORITY_LAYOUT (GDK_PRIORITY_REDRAW + 5)
-
typedef struct _GtkIconViewChild GtkIconViewChild;
struct _GtkIconViewChild
{
PROP_TOOLTIP_COLUMN,
PROP_ITEM_PADDING,
PROP_CELL_AREA,
-
- /* For scrollable interface */
PROP_HADJUSTMENT,
PROP_VADJUSTMENT,
PROP_HSCROLL_POLICY,
- PROP_VSCROLL_POLICY
+ PROP_VSCROLL_POLICY,
+ PROP_ACTIVATE_ON_SINGLE_CLICK
};
/* GObject vfuncs */
static void gtk_icon_view_destroy (GtkWidget *widget);
static void gtk_icon_view_realize (GtkWidget *widget);
static void gtk_icon_view_unrealize (GtkWidget *widget);
-static void gtk_icon_view_style_updated (GtkWidget *widget);
-static void gtk_icon_view_state_flags_changed (GtkWidget *widget,
- GtkStateFlags previous_state);
+static GtkSizeRequestMode gtk_icon_view_get_request_mode (GtkWidget *widget);
static void gtk_icon_view_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural);
+static void gtk_icon_view_get_preferred_width_for_height
+ (GtkWidget *widget,
+ gint height,
+ gint *minimum,
+ gint *natural);
static void gtk_icon_view_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural);
+static void gtk_icon_view_get_preferred_height_for_width
+ (GtkWidget *widget,
+ gint width,
+ gint *minimum,
+ gint *natural);
static void gtk_icon_view_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gboolean gtk_icon_view_draw (GtkWidget *widget,
GtkTreePath *path);
static void gtk_icon_view_queue_draw_item (GtkIconView *icon_view,
GtkIconViewItem *item);
-static void gtk_icon_view_queue_layout (GtkIconView *icon_view);
static void gtk_icon_view_start_rubberbanding (GtkIconView *icon_view,
GdkDevice *device,
gint x,
gint width,
gint height);
static gboolean gtk_icon_view_unselect_all_internal (GtkIconView *icon_view);
-static void gtk_icon_view_cache_widths (GtkIconView *icon_view);
static void gtk_icon_view_update_rubberband (gpointer data);
static void gtk_icon_view_item_invalidate_size (GtkIconViewItem *item);
static void gtk_icon_view_invalidate_sizes (GtkIconView *icon_view);
GtkCellRenderer *renderer,
GtkCellEditable *editable,
GtkIconView *icon_view);
-static void gtk_icon_view_context_changed (GtkCellAreaContext *context,
- GParamSpec *pspec,
- GtkIconView *icon_view);
static void update_text_cell (GtkIconView *icon_view);
static void update_pixbuf_cell (GtkIconView *icon_view);
widget_class->destroy = gtk_icon_view_destroy;
widget_class->realize = gtk_icon_view_realize;
widget_class->unrealize = gtk_icon_view_unrealize;
- widget_class->style_updated = gtk_icon_view_style_updated;
+ widget_class->get_request_mode = gtk_icon_view_get_request_mode;
widget_class->get_preferred_width = gtk_icon_view_get_preferred_width;
widget_class->get_preferred_height = gtk_icon_view_get_preferred_height;
+ widget_class->get_preferred_width_for_height = gtk_icon_view_get_preferred_width_for_height;
+ widget_class->get_preferred_height_for_width = gtk_icon_view_get_preferred_height_for_width;
widget_class->size_allocate = gtk_icon_view_size_allocate;
widget_class->draw = gtk_icon_view_draw;
widget_class->motion_notify_event = gtk_icon_view_motion;
widget_class->drag_motion = gtk_icon_view_drag_motion;
widget_class->drag_drop = gtk_icon_view_drag_drop;
widget_class->drag_data_received = gtk_icon_view_drag_data_received;
- widget_class->state_flags_changed = gtk_icon_view_state_flags_changed;
container_class->remove = gtk_icon_view_remove;
container_class->forall = gtk_icon_view_forall;
GTK_TYPE_CELL_AREA,
GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+ /**
+ * GtkIconView:activate-on-single-click:
+ *
+ * The activate-on-single-click property specifies whether the "item-activated" signal
+ * will be emitted after a single click.
+ *
+ * Since: 3.8
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_ACTIVATE_ON_SINGLE_CLICK,
+ g_param_spec_boolean ("activate-on-single-click",
+ P_("Activate on Single Click"),
+ P_("Activate row on a single click"),
+ FALSE,
+ GTK_PARAM_READWRITE));
+
/* Scrollable interface properties */
g_object_class_override_property (gobject_class, PROP_HADJUSTMENT, "hadjustment");
g_object_class_override_property (gobject_class, PROP_VADJUSTMENT, "vadjustment");
* @path: the #GtkTreePath for the activated item
*
* The ::item-activated signal is emitted when the method
- * gtk_icon_view_item_activated() is called or the user double
- * clicks an item. It is also emitted when a non-editable item
- * is selected and one of the keys: Space, Return or Enter is
- * pressed.
+ * gtk_icon_view_item_activated() is called, when the user double
+ * clicks an item with the "activate-on-single-click" property set
+ * to %FALSE, or when the user single clicks an item when the
+ * "activate-on-single-click" property set to %TRUE. It is also
+ * emitted when a non-editable item is selected and one of the keys:
+ * Space, Return or Enter is pressed.
*/
icon_view_signals[ITEM_ACTIVATED] =
g_signal_new (I_("item-activated"),
icon_view->priv->column_spacing = 6;
icon_view->priv->margin = 6;
icon_view->priv->item_padding = 6;
+ icon_view->priv->activate_on_single_click = FALSE;
icon_view->priv->draw_focus = TRUE;
icon_view->priv->row_contexts =
g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref);
+
+ gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (icon_view)),
+ GTK_STYLE_CLASS_VIEW);
}
/* GObject methods */
if (priv->cell_area_context)
{
- g_signal_handler_disconnect (priv->cell_area_context, priv->context_changed_id);
- priv->context_changed_id = 0;
-
g_object_unref (priv->cell_area_context);
priv->cell_area_context = NULL;
}
gtk_icon_view_set_item_padding (icon_view, g_value_get_int (value));
break;
+ case PROP_ACTIVATE_ON_SINGLE_CLICK:
+ gtk_icon_view_set_activate_on_single_click (icon_view, g_value_get_boolean (value));
+ break;
+
case PROP_CELL_AREA:
/* Construct-only, can only be assigned once */
area = g_value_get_object (value);
g_value_set_int (value, icon_view->priv->item_padding);
break;
+ case PROP_ACTIVATE_ON_SINGLE_CLICK:
+ g_value_set_boolean (value, icon_view->priv->activate_on_single_click);
+ break;
+
case PROP_CELL_AREA:
g_value_set_object (value, icon_view->priv->cell_area);
break;
gtk_icon_view_set_model (icon_view, NULL);
- if (icon_view->priv->layout_idle_id != 0)
- {
- g_source_remove (icon_view->priv->layout_idle_id);
- icon_view->priv->layout_idle_id = 0;
- }
-
if (icon_view->priv->scroll_to_path != NULL)
{
gtk_tree_row_reference_free (icon_view->priv->scroll_to_path);
GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
- GtkStyleContext *context;
gtk_widget_set_realized (widget, TRUE);
attributes.width = MAX (icon_view->priv->width, allocation.width);
attributes.height = MAX (icon_view->priv->height, allocation.height);
attributes.event_mask = (GDK_EXPOSURE_MASK |
- GDK_SCROLL_MASK |
- GDK_POINTER_MOTION_MASK |
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_KEY_PRESS_MASK |
- GDK_KEY_RELEASE_MASK) |
+ GDK_SCROLL_MASK |
+ GDK_SMOOTH_SCROLL_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK) |
gtk_widget_get_events (widget);
icon_view->priv->bin_window = gdk_window_new (window,
&attributes, attributes_mask);
gdk_window_set_user_data (icon_view->priv->bin_window, widget);
-
- context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save (context);
- gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
- gtk_style_context_set_background (context, icon_view->priv->bin_window);
- gtk_style_context_restore (context);
-
gdk_window_show (icon_view->priv->bin_window);
}
GTK_WIDGET_CLASS (gtk_icon_view_parent_class)->unrealize (widget);
}
+static gint
+gtk_icon_view_get_n_items (GtkIconView *icon_view)
+{
+ GtkIconViewPrivate *priv = icon_view->priv;
+
+ if (priv->model == NULL)
+ return 0;
+
+ return gtk_tree_model_iter_n_children (priv->model, NULL);
+}
+
static void
-_gtk_icon_view_update_background (GtkIconView *icon_view)
+adjust_wrap_width (GtkIconView *icon_view)
{
- GtkWidget *widget = GTK_WIDGET (icon_view);
+ if (icon_view->priv->text_cell)
+ {
+ gint wrap_width = 50;
- if (gtk_widget_get_realized (widget))
+ /* Here we go with the same old guess, try the icon size and set double
+ * the size of the first icon found in the list, naive but works much
+ * of the time */
+ if (icon_view->priv->items && icon_view->priv->pixbuf_cell)
+ {
+ gtk_cell_renderer_get_preferred_width (icon_view->priv->pixbuf_cell,
+ GTK_WIDGET (icon_view),
+ &wrap_width, NULL);
+
+ wrap_width = MAX (wrap_width * 2, 50);
+ }
+
+ g_object_set (icon_view->priv->text_cell, "wrap-width", wrap_width, NULL);
+ g_object_set (icon_view->priv->text_cell, "width", wrap_width, NULL);
+ }
+}
+
+/* General notes about layout
+ *
+ * The icon view is layouted like this:
+ *
+ * +----------+ s +----------+
+ * | padding | p | padding |
+ * | +------+ | a | +------+ |
+ * | | cell | | c | | cell | |
+ * | +------+ | i | +------+ |
+ * | | n | |
+ * +----------+ g +----------+
+ *
+ * In size request and allocation code, there are 3 sizes that are used:
+ * * cell size
+ * This is the size returned by gtk_cell_area_get_preferred_foo(). In places
+ * where code is interacting with the cell area and renderers this is useful.
+ * * padded size
+ * This is the cell size plus the item padding on each side.
+ * * spaced size
+ * This is the padded size plus the spacing. This is what's used for most
+ * calculations because it can (ab)use the following formula:
+ * iconview_size = 2 * margin + n_items * spaced_size - spacing
+ * So when reading this code and fixing my bugs where I confuse these two, be
+ * aware of this distinction.
+ */
+static void
+cell_area_get_preferred_size (GtkIconView *icon_view,
+ GtkCellAreaContext *context,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum,
+ gint *natural)
+{
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (for_size > 0)
+ gtk_cell_area_get_preferred_width_for_height (icon_view->priv->cell_area,
+ context,
+ GTK_WIDGET (icon_view),
+ for_size,
+ minimum, natural);
+ else
+ gtk_cell_area_get_preferred_width (icon_view->priv->cell_area,
+ context,
+ GTK_WIDGET (icon_view),
+ minimum, natural);
+ }
+ else
{
- GtkStyleContext *context;
+ if (for_size > 0)
+ gtk_cell_area_get_preferred_height_for_width (icon_view->priv->cell_area,
+ context,
+ GTK_WIDGET (icon_view),
+ for_size,
+ minimum, natural);
+ else
+ gtk_cell_area_get_preferred_height (icon_view->priv->cell_area,
+ context,
+ GTK_WIDGET (icon_view),
+ minimum, natural);
+ }
+}
- context = gtk_widget_get_style_context (widget);
+static gboolean
+gtk_icon_view_is_empty (GtkIconView *icon_view)
+{
+ return icon_view->priv->items == NULL;
+}
+
+static void
+gtk_icon_view_get_preferred_item_size (GtkIconView *icon_view,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum,
+ gint *natural)
+{
+ GtkIconViewPrivate *priv = icon_view->priv;
+ GtkCellAreaContext *context;
+ GList *items;
+
+ g_assert (!gtk_icon_view_is_empty (icon_view));
+
+ context = gtk_cell_area_create_context (priv->cell_area);
+
+ for_size -= 2 * priv->item_padding;
+
+ if (for_size > 0)
+ {
+ /* This is necessary for the context to work properly */
+ for (items = priv->items; items; items = items->next)
+ {
+ GtkIconViewItem *item = items->data;
+
+ _gtk_icon_view_set_cell_data (icon_view, item);
+ cell_area_get_preferred_size (icon_view, context, 1 - orientation, -1, NULL, NULL);
+ }
+ }
+
+ for (items = priv->items; items; items = items->next)
+ {
+ GtkIconViewItem *item = items->data;
- gtk_style_context_save (context);
- gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
+ _gtk_icon_view_set_cell_data (icon_view, item);
+ if (items == priv->items)
+ adjust_wrap_width (icon_view);
+ cell_area_get_preferred_size (icon_view, context, orientation, for_size, NULL, NULL);
+ }
- gtk_style_context_set_background (context, gtk_widget_get_window (widget));
- gtk_style_context_set_background (context, icon_view->priv->bin_window);
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (for_size > 0)
+ gtk_cell_area_context_get_preferred_width_for_height (context,
+ for_size,
+ minimum, natural);
+ else
+ gtk_cell_area_context_get_preferred_width (context,
+ minimum, natural);
+ }
+ else
+ {
+ if (for_size > 0)
+ gtk_cell_area_context_get_preferred_height_for_width (context,
+ for_size,
+ minimum, natural);
+ else
+ gtk_cell_area_context_get_preferred_height (context,
+ minimum, natural);
+ }
- gtk_style_context_restore (context);
+ if (orientation == GTK_ORIENTATION_HORIZONTAL && priv->item_width >= 0)
+ {
+ if (minimum)
+ *minimum = MAX (*minimum, priv->item_width);
+ if (natural)
+ *natural = *minimum;
}
+
+ if (minimum)
+ *minimum = MAX (1, *minimum + 2 * priv->item_padding);
+ if (natural)
+ *natural = MAX (1, *natural + 2 * priv->item_padding);
+
+ g_object_unref (context);
}
static void
-gtk_icon_view_state_flags_changed (GtkWidget *widget,
- GtkStateFlags previous_state)
+gtk_icon_view_compute_n_items_for_size (GtkIconView *icon_view,
+ GtkOrientation orientation,
+ gint size,
+ gint *min_items,
+ gint *min_item_size,
+ gint *max_items,
+ gint *max_item_size)
{
- _gtk_icon_view_update_background (GTK_ICON_VIEW (widget));
- gtk_widget_queue_draw (widget);
+ GtkIconViewPrivate *priv = icon_view->priv;
+ int minimum, natural, spacing;
+
+ g_return_if_fail (min_item_size == NULL || min_items != NULL);
+ g_return_if_fail (max_item_size == NULL || max_items != NULL);
+ g_return_if_fail (!gtk_icon_view_is_empty (icon_view));
+
+ gtk_icon_view_get_preferred_item_size (icon_view, orientation, -1, &minimum, &natural);
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ spacing = priv->column_spacing;
+ else
+ spacing = priv->row_spacing;
+
+ size -= 2 * priv->margin;
+ size += spacing;
+ minimum += spacing;
+ natural += spacing;
+
+ if (priv->columns > 0)
+ {
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ if (min_items)
+ *min_items = priv->columns;
+ if (max_items)
+ *max_items = priv->columns;
+ }
+ else
+ {
+ int n_items = gtk_icon_view_get_n_items (icon_view);
+
+ if (min_items)
+ *min_items = (n_items + priv->columns - 1) / priv->columns;
+ if (max_items)
+ *max_items = (n_items + priv->columns - 1) / priv->columns;
+ }
+ }
+ else
+ {
+ if (max_items)
+ {
+ if (size <= minimum)
+ *max_items = 1;
+ else
+ *max_items = size / minimum;
+ }
+
+ if (min_items)
+ {
+ if (size <= natural)
+ *min_items = 1;
+ else
+ *min_items = size / natural;
+ }
+ }
+
+ if (min_item_size)
+ {
+ *min_item_size = size / *min_items;
+ *min_item_size = CLAMP (*min_item_size, minimum, natural);
+ *min_item_size -= spacing;
+ *min_item_size -= 2 * priv->item_padding;
+ }
+
+ if (max_item_size)
+ {
+ *max_item_size = size / *max_items;
+ *max_item_size = CLAMP (*max_item_size, minimum, natural);
+ *max_item_size -= spacing;
+ *max_item_size -= 2 * priv->item_padding;
+ }
+}
+
+static GtkSizeRequestMode
+gtk_icon_view_get_request_mode (GtkWidget *widget)
+{
+ return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
+}
+
+static void
+gtk_icon_view_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ GtkIconView *icon_view = GTK_ICON_VIEW (widget);
+ GtkIconViewPrivate *priv = icon_view->priv;
+ int item_min, item_nat;
+
+ if (gtk_icon_view_is_empty (icon_view))
+ {
+ *minimum = *natural = 2 * priv->margin;
+ return;
+ }
+
+ gtk_icon_view_get_preferred_item_size (icon_view, GTK_ORIENTATION_HORIZONTAL, -1, &item_min, &item_nat);
+
+ if (priv->columns > 0)
+ {
+ *minimum = item_min * priv->columns + priv->column_spacing * (priv->columns - 1);
+ *natural = item_nat * priv->columns + priv->column_spacing * (priv->columns - 1);
+ }
+ else
+ {
+ int n_items = gtk_icon_view_get_n_items (icon_view);
+
+ *minimum = item_min;
+ *natural = item_nat * n_items + priv->column_spacing * (n_items - 1);
+ }
+
+ *minimum += 2 * priv->margin;
+ *natural += 2 * priv->margin;
}
static void
-gtk_icon_view_style_updated (GtkWidget *widget)
+gtk_icon_view_get_preferred_width_for_height (GtkWidget *widget,
+ gint height,
+ gint *minimum,
+ gint *natural)
{
- GTK_WIDGET_CLASS (gtk_icon_view_parent_class)->style_updated (widget);
+ GtkIconView *icon_view = GTK_ICON_VIEW (widget);
+ GtkIconViewPrivate *priv = icon_view->priv;
+ int item_min, item_nat, rows, row_height, n_items;
+
+ if (gtk_icon_view_is_empty (icon_view))
+ {
+ *minimum = *natural = 2 * priv->margin;
+ return;
+ }
+
+ gtk_icon_view_compute_n_items_for_size (icon_view, GTK_ORIENTATION_VERTICAL, height, &rows, &row_height, NULL, NULL);
+ n_items = gtk_icon_view_get_n_items (icon_view);
+
+ gtk_icon_view_get_preferred_item_size (icon_view, GTK_ORIENTATION_HORIZONTAL, row_height, &item_min, &item_nat);
+ *minimum = (item_min + priv->column_spacing) * ((n_items + rows - 1) / rows) - priv->column_spacing;
+ *natural = (item_nat + priv->column_spacing) * ((n_items + rows - 1) / rows) - priv->column_spacing;
- _gtk_icon_view_update_background (GTK_ICON_VIEW (widget));
- gtk_widget_queue_resize (widget);
+ *minimum += 2 * priv->margin;
+ *natural += 2 * priv->margin;
}
static void
-gtk_icon_view_get_preferred_width (GtkWidget *widget,
- gint *minimum,
- gint *natural)
+gtk_icon_view_get_preferred_height (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
{
- *minimum = *natural = GTK_ICON_VIEW (widget)->priv->width;
+ GtkIconView *icon_view = GTK_ICON_VIEW (widget);
+ GtkIconViewPrivate *priv = icon_view->priv;
+ int item_min, item_nat, n_items;
+
+ if (gtk_icon_view_is_empty (icon_view))
+ {
+ *minimum = *natural = 2 * priv->margin;
+ return;
+ }
+
+ gtk_icon_view_get_preferred_item_size (icon_view, GTK_ORIENTATION_VERTICAL, -1, &item_min, &item_nat);
+ n_items = gtk_icon_view_get_n_items (icon_view);
+
+ if (priv->columns > 0)
+ {
+ int n_rows = (n_items + priv->columns - 1) / priv->columns;
+
+ *minimum = item_min * n_rows + priv->row_spacing * (n_rows - 1);
+ *natural = item_nat * n_rows + priv->row_spacing * (n_rows - 1);
+ }
+ else
+ {
+ *minimum = item_min;
+ *natural = item_nat * n_items + priv->row_spacing * (n_items - 1);
+ }
+
+ *minimum += 2 * priv->margin;
+ *natural += 2 * priv->margin;
}
static void
-gtk_icon_view_get_preferred_height (GtkWidget *widget,
- gint *minimum,
- gint *natural)
+gtk_icon_view_get_preferred_height_for_width (GtkWidget *widget,
+ gint width,
+ gint *minimum,
+ gint *natural)
{
- *minimum = *natural = GTK_ICON_VIEW (widget)->priv->height;
+ GtkIconView *icon_view = GTK_ICON_VIEW (widget);
+ GtkIconViewPrivate *priv = icon_view->priv;
+ int item_min, item_nat, columns, column_width, n_items;
+
+ if (gtk_icon_view_is_empty (icon_view))
+ {
+ *minimum = *natural = 2 * priv->margin;
+ return;
+ }
+
+ gtk_icon_view_compute_n_items_for_size (icon_view, GTK_ORIENTATION_HORIZONTAL, width, NULL, NULL, &columns, &column_width);
+ n_items = gtk_icon_view_get_n_items (icon_view);
+
+ gtk_icon_view_get_preferred_item_size (icon_view, GTK_ORIENTATION_VERTICAL, column_width, &item_min, &item_nat);
+ *minimum = (item_min + priv->row_spacing) * ((n_items + columns - 1) / columns) - priv->row_spacing;
+ *natural = (item_nat + priv->row_spacing) * ((n_items + columns - 1) / columns) - priv->row_spacing;
+
+ *minimum += 2 * priv->margin;
+ *natural += 2 * priv->margin;
}
static void
gtk_widget_set_allocation (widget, allocation);
+ gtk_icon_view_layout (icon_view);
+
if (gtk_widget_get_realized (widget))
{
gdk_window_move_resize (gtk_widget_get_window (widget),
MAX (icon_view->priv->height, allocation->height));
}
- gtk_icon_view_layout (icon_view);
-
gtk_icon_view_allocate_children (icon_view);
/* Delay signal emission */
gint dest_index;
GtkIconViewDropPosition dest_pos;
GtkIconViewItem *dest_item = NULL;
+ GtkStyleContext *context;
icon_view = GTK_ICON_VIEW (widget);
+ context = gtk_widget_get_style_context (widget);
+ gtk_render_background (context, cr,
+ 0, 0,
+ gtk_widget_get_allocated_width (widget),
+ gtk_widget_get_allocated_height (widget));
+
if (!gtk_cairo_should_draw_window (cr, icon_view->priv->bin_window))
return FALSE;
GtkIconViewItem *item = icons->data;
GdkRectangle paint_area;
- paint_area.x = ((GdkRectangle *)item)->x - icon_view->priv->item_padding;
- paint_area.y = ((GdkRectangle *)item)->y - icon_view->priv->item_padding;
- paint_area.width = ((GdkRectangle *)item)->width + icon_view->priv->item_padding * 2;
- paint_area.height = ((GdkRectangle *)item)->height + icon_view->priv->item_padding * 2;
+ paint_area.x = item->cell_area.x - icon_view->priv->item_padding;
+ paint_area.y = item->cell_area.y - icon_view->priv->item_padding;
+ paint_area.width = item->cell_area.width + icon_view->priv->item_padding * 2;
+ paint_area.height = item->cell_area.height + icon_view->priv->item_padding * 2;
cairo_save (cr);
if (gdk_cairo_get_clip_rectangle (cr, NULL))
{
gtk_icon_view_paint_item (icon_view, cr, item,
- ((GdkRectangle *)item)->x, ((GdkRectangle *)item)->y,
+ item->cell_area.x, item->cell_area.y,
icon_view->priv->draw_focus);
if (dest_index == item->index)
gtk_tree_path_free (path);
}
-static void
-gtk_icon_view_context_changed (GtkCellAreaContext *context,
- GParamSpec *pspec,
- GtkIconView *icon_view)
-{
- if (!strcmp (pspec->name, "minimum-width") ||
- !strcmp (pspec->name, "natural-width") ||
- !strcmp (pspec->name, "minimum-height") ||
- !strcmp (pspec->name, "natural-height"))
- gtk_icon_view_invalidate_sizes (icon_view);
-}
-
/**
* gtk_icon_view_set_cursor:
* @icon_view: A #GtkIconView
context = g_ptr_array_index (icon_view->priv->row_contexts, item->row);
_gtk_icon_view_set_cell_data (icon_view, item);
gtk_cell_area_activate (icon_view->priv->cell_area, context,
- GTK_WIDGET (icon_view), (GdkRectangle *)item,
+ GTK_WIDGET (icon_view), &item->cell_area,
0 /* XXX flags */, TRUE);
}
}
if (!gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
- if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
+ if (event->button == GDK_BUTTON_PRIMARY && event->type == GDK_BUTTON_PRESS)
{
GdkModifierType extend_mod_mask;
GdkModifierType modify_mod_mask;
&cell);
/*
- * We consider only the the cells' area as the item area if the
+ * We consider only the cells' area as the item area if the
* item is not selected, but if it *is* selected, the complete
* selection rectangle is considered to be part of the item.
*/
_gtk_icon_view_set_cell_data (icon_view, item);
gtk_cell_area_activate (icon_view->priv->cell_area, context,
GTK_WIDGET (icon_view),
- (GdkRectangle *)item, 0/* XXX flags */, FALSE);
+ &item->cell_area, 0/* XXX flags */, FALSE);
}
}
else
icon_view->priv->draw_focus = FALSE;
}
- if (event->button == 1 && event->type == GDK_2BUTTON_PRESS)
+ if (!icon_view->priv->activate_on_single_click
+ && event->button == GDK_BUTTON_PRIMARY
+ && event->type == GDK_2BUTTON_PRESS)
{
item = _gtk_icon_view_get_item_at_coords (icon_view,
event->x, event->y,
if (dirty)
g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
- return event->button == 1;
+ return event->button == GDK_BUTTON_PRIMARY;
+}
+
+static gboolean
+button_event_modifies_selection (GdkEventButton *event)
+{
+ return (event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) != 0;
}
static gboolean
remove_scroll_timeout (icon_view);
+ if (event->button == GDK_BUTTON_PRIMARY
+ && icon_view->priv->activate_on_single_click
+ && !button_event_modifies_selection (event)
+ && icon_view->priv->last_single_clicked != NULL)
+ {
+ GtkIconViewItem *item;
+
+ item = _gtk_icon_view_get_item_at_coords (icon_view,
+ event->x, event->y,
+ FALSE,
+ NULL);
+ if (item == icon_view->priv->last_single_clicked)
+ {
+ GtkTreePath *path;
+ path = gtk_tree_path_new_from_indices (item->index, -1);
+ gtk_icon_view_item_activated (icon_view, path);
+ gtk_tree_path_free (path);
+ }
+
+ icon_view->priv->last_single_clicked = NULL;
+ }
+
return TRUE;
}
{
HitTestData data = { { x, y, width, height }, FALSE };
GtkCellAreaContext *context;
- GdkRectangle *item_area = (GdkRectangle *)item;
+ GdkRectangle *item_area = &item->cell_area;
if (MIN (x + width, item_area->x + item_area->width) - MAX (x, item_area->x) <= 0 ||
MIN (y + height, item_area->y + item_area->height) - MAX (y, item_area->y) <= 0)
_gtk_icon_view_set_cell_data (icon_view, icon_view->priv->cursor_item);
gtk_cell_area_activate (icon_view->priv->cell_area, context,
GTK_WIDGET (icon_view),
- (GdkRectangle *)icon_view->priv->cursor_item,
+ &icon_view->priv->cursor_item->cell_area,
0 /* XXX flags */,
FALSE);
}
}
-/* Internal functions */
-static void
-gtk_icon_view_process_updates (GtkIconView *icon_view)
-{
- /* Prior to drawing, we check if a layout has been scheduled. If so,
- * do it now that all cell view items have valid sizes before we proceeed
- * (and resize the bin_window if required).
- */
- if (icon_view->priv->layout_idle_id != 0)
- gtk_icon_view_layout (icon_view);
-
- gdk_window_process_updates (icon_view->priv->bin_window, TRUE);
-}
-
static void
gtk_icon_view_set_hadjustment_values (GtkIconView *icon_view)
{
if (icon_view->priv->doing_rubberband)
gtk_icon_view_update_rubberband (GTK_WIDGET (icon_view));
-
- _gtk_icon_view_accessible_adjustment_changed (icon_view);
- gtk_icon_view_process_updates (icon_view);
- }
-}
-
-static GList *
-gtk_icon_view_layout_single_row (GtkIconView *icon_view,
- GList *first_item,
- gint item_width,
- gint row,
- gint *y,
- gint *maximum_width)
-{
- GtkAllocation allocation;
- GtkCellAreaContext *context;
- GtkIconViewPrivate *priv = icon_view->priv;
- GtkWidget *widget = GTK_WIDGET (icon_view);
- gint x, current_width;
- GList *items, *last_item;
- gint col;
- gint max_height = 0;
- gboolean rtl;
-
- rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
-
- x = 0;
- col = 0;
- items = first_item;
- current_width = 0;
-
- x += priv->margin;
- current_width += 2 * priv->margin;
-
- gtk_widget_get_allocation (widget, &allocation);
-
- context = gtk_cell_area_copy_context (priv->cell_area, priv->cell_area_context);
- g_ptr_array_add (priv->row_contexts, context);
-
- /* In the first loop we iterate horizontally until we hit allocation width
- * and collect the aligned height-for-width */
- items = first_item;
- while (items)
- {
- GtkIconViewItem *item = items->data;
- GdkRectangle *item_area = (GdkRectangle *)item;
-
- item_area->width = item_width;
-
- current_width += item_area->width + icon_view->priv->item_padding * 2;
-
- if (items != first_item)
- {
- if ((icon_view->priv->columns <= 0 && current_width > allocation.width) ||
- (icon_view->priv->columns > 0 && col >= icon_view->priv->columns))
- break;
- }
-
- /* Get this item's particular width & height (all alignments are cached by now) */
- _gtk_icon_view_set_cell_data (icon_view, item);
- gtk_cell_area_get_preferred_height_for_width (priv->cell_area,
- context,
- widget, item_width,
- NULL, NULL);
-
- current_width += icon_view->priv->column_spacing;
-
- item_area->y = *y + icon_view->priv->item_padding;
- item_area->x = x + icon_view->priv->item_padding;
-
- x = current_width - icon_view->priv->margin;
-
- if (current_width > *maximum_width)
- *maximum_width = current_width;
-
- item->row = row;
- item->col = col;
-
- col ++;
- items = items->next;
- }
-
- last_item = items;
-
- gtk_cell_area_context_get_preferred_height_for_width (context, item_width, &max_height, NULL);
- gtk_cell_area_context_allocate (context, item_width, max_height);
-
- /* In the second loop the item height has been aligned and derived and
- * we just set the height and handle rtl layout */
- for (items = first_item; items != last_item; items = items->next)
- {
- GtkIconViewItem *item = items->data;
- GdkRectangle *item_area = (GdkRectangle *)item;
-
- if (rtl)
- {
- item_area->x = *maximum_width - item_area->width - item_area->x;
- item->col = col - 1 - item->col;
- }
-
- /* All items in the same row get the same height */
- item_area->height = max_height;
+ _gtk_icon_view_accessible_adjustment_changed (icon_view);
}
-
- /* Adjust the new y coordinate. */
- *y += max_height + icon_view->priv->row_spacing + icon_view->priv->item_padding * 2;
-
- return last_item;
}
-static void
-adjust_wrap_width (GtkIconView *icon_view)
+static gint
+compare_sizes (gconstpointer p1,
+ gconstpointer p2,
+ gpointer unused)
{
- if (icon_view->priv->text_cell)
- {
- gint wrap_width = 50;
-
- /* Here we go with the same old guess, try the icon size and set double
- * the size of the first icon found in the list, naive but works much
- * of the time */
- if (icon_view->priv->items && icon_view->priv->pixbuf_cell)
- {
- _gtk_icon_view_set_cell_data (icon_view, icon_view->priv->items->data);
- gtk_cell_renderer_get_preferred_width (icon_view->priv->pixbuf_cell,
- GTK_WIDGET (icon_view),
- &wrap_width, NULL);
-
- wrap_width = MAX (wrap_width * 2, 50);
- }
-
- g_object_set (icon_view->priv->text_cell, "wrap-width", wrap_width, NULL);
- g_object_set (icon_view->priv->text_cell, "width", wrap_width, NULL);
- }
+ return GPOINTER_TO_INT (((const GtkRequestedSize *) p1)->data)
+ - GPOINTER_TO_INT (((const GtkRequestedSize *) p2)->data);
}
static void
gtk_icon_view_layout (GtkIconView *icon_view)
{
- GtkAllocation allocation;
- GtkWidget *widget;
- GList *icons;
- gint y = 0, maximum_width = 0;
- gint row;
- gint item_width;
- gboolean size_changed = FALSE;
+ GtkIconViewPrivate *priv = icon_view->priv;
+ GtkWidget *widget = GTK_WIDGET (icon_view);
+ GList *items;
+ gint item_width; /* this doesn't include item_padding */
+ gint n_columns, n_rows, n_items;
+ gint col, row;
+ GtkRequestedSize *sizes;
+ gboolean rtl;
- if (icon_view->priv->layout_idle_id != 0)
- {
- g_source_remove (icon_view->priv->layout_idle_id);
- icon_view->priv->layout_idle_id = 0;
- }
-
- if (icon_view->priv->model == NULL)
+ if (gtk_icon_view_is_empty (icon_view))
return;
- widget = GTK_WIDGET (icon_view);
-
- item_width = icon_view->priv->item_width;
-
- /* Update the wrap width for the text cell before going and requesting sizes */
- adjust_wrap_width (icon_view);
+ rtl = gtk_widget_get_direction (GTK_WIDGET (icon_view)) == GTK_TEXT_DIR_RTL;
+ n_items = gtk_icon_view_get_n_items (icon_view);
- /* Update the context widths for any invalidated items */
- gtk_icon_view_cache_widths (icon_view);
+ gtk_icon_view_compute_n_items_for_size (icon_view,
+ GTK_ORIENTATION_HORIZONTAL,
+ gtk_widget_get_allocated_width (widget),
+ NULL, NULL,
+ &n_columns, &item_width);
+ n_rows = (n_items + n_columns - 1) / n_columns;
- /* Fetch the new item width if needed */
- if (item_width < 0)
- gtk_cell_area_context_get_preferred_width (icon_view->priv->cell_area_context,
- &item_width, NULL);
-
- gtk_cell_area_context_allocate (icon_view->priv->cell_area_context, item_width, -1);
-
- icons = icon_view->priv->items;
- y += icon_view->priv->margin;
- row = 0;
+ priv->width = n_columns * (item_width + 2 * priv->item_padding + priv->column_spacing) - priv->column_spacing;
+ priv->width += 2 * priv->margin;
+ priv->width = MAX (priv->width, gtk_widget_get_allocated_width (widget));
/* Clear the per row contexts */
g_ptr_array_set_size (icon_view->priv->row_contexts, 0);
-
- do
- {
- icons = gtk_icon_view_layout_single_row (icon_view, icons,
- item_width, row,
- &y, &maximum_width);
- row++;
- }
- while (icons != NULL);
- if (maximum_width != icon_view->priv->width)
+ gtk_cell_area_context_reset (priv->cell_area_context);
+ /* because layouting is complicated. We designed an API
+ * that is O(N²) and nonsensical.
+ * And we're proud of it. */
+ for (items = priv->items; items; items = items->next)
{
- icon_view->priv->width = maximum_width;
- size_changed = TRUE;
+ _gtk_icon_view_set_cell_data (icon_view, items->data);
+ gtk_cell_area_get_preferred_width (priv->cell_area,
+ priv->cell_area_context,
+ widget,
+ NULL, NULL);
}
- y += icon_view->priv->margin;
-
- if (y != icon_view->priv->height)
+ sizes = g_newa (GtkRequestedSize, n_rows);
+ items = priv->items;
+ priv->height = priv->margin;
+
+ /* Collect the heights for all rows */
+ for (row = 0; row < n_rows; row++)
{
- icon_view->priv->height = y;
- size_changed = TRUE;
- }
+ GtkCellAreaContext *context = gtk_cell_area_copy_context (priv->cell_area, priv->cell_area_context);
+ g_ptr_array_add (priv->row_contexts, context);
- gtk_icon_view_set_hadjustment_values (icon_view);
- gtk_icon_view_set_vadjustment_values (icon_view);
+ for (col = 0; col < n_columns && items; col++, items = items->next)
+ {
+ GtkIconViewItem *item = items->data;
- if (size_changed)
- gtk_widget_queue_resize_no_redraw (widget);
+ _gtk_icon_view_set_cell_data (icon_view, item);
+ gtk_cell_area_get_preferred_height_for_width (priv->cell_area,
+ context,
+ widget,
+ item_width,
+ NULL, NULL);
+ }
+
+ sizes[row].data = GINT_TO_POINTER (row);
+ gtk_cell_area_context_get_preferred_height_for_width (context,
+ item_width,
+ &sizes[row].minimum_size,
+ &sizes[row].natural_size);
+ priv->height += sizes[row].minimum_size + 2 * priv->item_padding + priv->row_spacing;
+ }
- gtk_widget_get_allocation (widget, &allocation);
- if (gtk_widget_get_realized (GTK_WIDGET (icon_view)))
- gdk_window_resize (icon_view->priv->bin_window,
- MAX (icon_view->priv->width, allocation.width),
- MAX (icon_view->priv->height, allocation.height));
+ priv->height -= priv->row_spacing;
+ priv->height += priv->margin;
+ priv->height = MIN (priv->height, gtk_widget_get_allocated_height (widget));
- if (icon_view->priv->scroll_to_path)
- {
- GtkTreePath *path;
+ gtk_distribute_natural_allocation (gtk_widget_get_allocated_height (widget) - priv->height,
+ n_rows,
+ sizes);
- path = gtk_tree_row_reference_get_path (icon_view->priv->scroll_to_path);
- gtk_tree_row_reference_free (icon_view->priv->scroll_to_path);
- icon_view->priv->scroll_to_path = NULL;
-
- gtk_icon_view_scroll_to_path (icon_view, path,
- icon_view->priv->scroll_to_use_align,
- icon_view->priv->scroll_to_row_align,
- icon_view->priv->scroll_to_col_align);
- gtk_tree_path_free (path);
- }
+ /* Actually allocate the rows */
+ g_qsort_with_data (sizes, n_rows, sizeof (GtkRequestedSize), compare_sizes, NULL);
- gtk_widget_queue_draw (widget);
-}
+ items = priv->items;
+ priv->height = priv->margin;
-/* This ensures that all widths have been cached in the
- * context and we have proper alignments to go on.
- */
-static void
-gtk_icon_view_cache_widths (GtkIconView *icon_view)
-{
- GList *items;
+ for (row = 0; row < n_rows; row++)
+ {
+ GtkCellAreaContext *context = g_ptr_array_index (priv->row_contexts, row);
+ gtk_cell_area_context_allocate (context, item_width, sizes[row].minimum_size);
- g_signal_handler_block (icon_view->priv->cell_area_context,
- icon_view->priv->context_changed_id);
+ priv->height += priv->item_padding;
- for (items = icon_view->priv->items; items; items = items->next)
- {
- GtkIconViewItem *item = items->data;
+ for (col = 0; col < n_columns && items; col++, items = items->next)
+ {
+ GtkIconViewItem *item = items->data;
+
+ item->cell_area.x = priv->margin + (col * 2 + 1) * priv->item_padding + col * (priv->column_spacing + item_width);
+ item->cell_area.width = item_width;
+ item->cell_area.y = priv->height;
+ item->cell_area.height = sizes[row].minimum_size;
+ item->row = row;
+ item->col = col;
+ if (rtl)
+ {
+ item->cell_area.x = priv->width - item_width - item->cell_area.x;
+ item->col = n_columns - 1 - col;
+ }
+ }
- /* Only fetch the width of items with invalidated sizes */
- if (item->cell_area.width < 0)
- {
- _gtk_icon_view_set_cell_data (icon_view, item);
- gtk_cell_area_get_preferred_width (icon_view->priv->cell_area,
- icon_view->priv->cell_area_context,
- GTK_WIDGET (icon_view), NULL, NULL);
- }
+ priv->height += sizes[row].minimum_size + priv->item_padding + priv->row_spacing;
}
- g_signal_handler_unblock (icon_view->priv->cell_area_context,
- icon_view->priv->context_changed_id);
+ priv->height -= priv->row_spacing;
+ priv->height += priv->margin;
+ priv->height = MAX (priv->height, gtk_widget_get_allocated_height (widget));
}
static void
g_list_foreach (icon_view->priv->items,
(GFunc)gtk_icon_view_item_invalidate_size, NULL);
- /* Reset the context */
- if (icon_view->priv->cell_area_context)
- {
- g_signal_handler_block (icon_view->priv->cell_area_context,
- icon_view->priv->context_changed_id);
- gtk_cell_area_context_reset (icon_view->priv->cell_area_context);
- g_signal_handler_unblock (icon_view->priv->cell_area_context,
- icon_view->priv->context_changed_id);
- }
-
/* Re-layout the items */
- gtk_icon_view_queue_layout (icon_view);
+ gtk_widget_queue_resize (GTK_WIDGET (icon_view));
}
static void
GtkIconViewPrivate *priv = icon_view->priv;
GtkCellAreaContext *context;
- if (priv->model == NULL)
+ if (priv->model == NULL || item->cell_area.width <= 0 || item->cell_area.height <= 0)
return;
_gtk_icon_view_set_cell_data (icon_view, item);
style_context = gtk_widget_get_style_context (widget);
+ state = gtk_widget_get_state_flags (widget);
gtk_style_context_save (style_context);
- gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_VIEW);
gtk_style_context_add_class (style_context, GTK_STYLE_CLASS_CELL);
+ state &= ~(GTK_STATE_FLAG_SELECTED | GTK_STATE_FLAG_PRELIGHT);
+
+ if ((state & GTK_STATE_FLAG_FOCUSED) &&
+ item == icon_view->priv->cursor_item)
+ flags |= GTK_CELL_RENDERER_FOCUSED;
+
if (item->selected)
{
- if (gtk_widget_has_focus (widget) &&
- item == icon_view->priv->cursor_item)
- {
- state |= GTK_STATE_FLAG_FOCUSED;
- flags |= GTK_CELL_RENDERER_FOCUSED;
- }
-
state |= GTK_STATE_FLAG_SELECTED;
flags |= GTK_CELL_RENDERER_SELECTED;
}
GtkIconViewItem *item)
{
GdkRectangle rect;
- GdkRectangle *item_area = (GdkRectangle *)item;
+ GdkRectangle *item_area = &item->cell_area;
rect.x = item_area->x - icon_view->priv->item_padding;
rect.y = item_area->y - icon_view->priv->item_padding;
gdk_window_invalidate_rect (icon_view->priv->bin_window, &rect, TRUE);
}
-static gboolean
-layout_callback (gpointer user_data)
-{
- GtkIconView *icon_view;
-
- icon_view = GTK_ICON_VIEW (user_data);
-
- icon_view->priv->layout_idle_id = 0;
-
- gtk_icon_view_layout (icon_view);
-
- return FALSE;
-}
-
-static void
-gtk_icon_view_queue_layout (GtkIconView *icon_view)
-{
- if (icon_view->priv->layout_idle_id != 0)
- return;
-
- icon_view->priv->layout_idle_id =
- gdk_threads_add_idle_full (GTK_ICON_VIEW_PRIORITY_LAYOUT,
- layout_callback, icon_view, NULL);
-}
-
void
_gtk_icon_view_set_cursor_item (GtkIconView *icon_view,
GtkIconViewItem *item,
for (items = icon_view->priv->items; items; items = items->next)
{
GtkIconViewItem *item = items->data;
- GdkRectangle *item_area = (GdkRectangle *)item;
+ GdkRectangle *item_area = &item->cell_area;
if (x >= item_area->x - icon_view->priv->column_spacing/2 &&
x <= item_area->x + item_area->width + icon_view->priv->column_spacing/2 &&
GtkIconView *icon_view = GTK_ICON_VIEW (data);
gint index;
GtkIconViewItem *item;
- gboolean iters_persist;
GList *list;
/* ignore changes in branches */
if (gtk_tree_path_get_depth (path) > 1)
return;
- iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
-
index = gtk_tree_path_get_indices(path)[0];
item = gtk_icon_view_item_new ();
- if (iters_persist)
- item->iter = *iter;
-
item->index = index;
/* FIXME: We can be more efficient here,
verify_items (icon_view);
- gtk_icon_view_queue_layout (icon_view);
+ gtk_widget_queue_resize (GTK_WIDGET (icon_view));
}
static void
verify_items (icon_view);
- gtk_icon_view_queue_layout (icon_view);
+ gtk_widget_queue_resize (GTK_WIDGET (icon_view));
if (emit)
g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
g_list_free (icon_view->priv->items);
icon_view->priv->items = items;
- gtk_icon_view_queue_layout (icon_view);
+ gtk_widget_queue_resize (GTK_WIDGET (icon_view));
verify_items (icon_view);
}
{
GtkTreeIter iter;
int i;
- gboolean iters_persist;
GList *items = NULL;
- iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
-
if (!gtk_tree_model_get_iter_first (icon_view->priv->model,
&iter))
return;
{
GtkIconViewItem *item = gtk_icon_view_item_new ();
- if (iters_persist)
- item->iter = iter;
-
item->index = i;
i++;
priv->remove_editable_id =
g_signal_connect (priv->cell_area, "remove-editable",
G_CALLBACK (gtk_icon_view_remove_editable), icon_view);
- priv->context_changed_id =
- g_signal_connect (priv->cell_area_context, "notify",
- G_CALLBACK (gtk_icon_view_context_changed), icon_view);
update_text_cell (icon_view);
update_pixbuf_cell (icon_view);
_gtk_icon_view_set_cell_data (GtkIconView *icon_view,
GtkIconViewItem *item)
{
- gboolean iters_persist;
GtkTreeIter iter;
+ GtkTreePath *path;
- iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
-
- if (!iters_persist)
- {
- GtkTreePath *path;
-
- path = gtk_tree_path_new_from_indices (item->index, -1);
- if (!gtk_tree_model_get_iter (icon_view->priv->model, &iter, path))
- return;
- gtk_tree_path_free (path);
- }
- else
- iter = item->iter;
+ path = gtk_tree_path_new_from_indices (item->index, -1);
+ if (!gtk_tree_model_get_iter (icon_view->priv->model, &iter, path))
+ return;
+ gtk_tree_path_free (path);
gtk_cell_area_apply_attributes (icon_view->priv->cell_area,
icon_view->priv->model,
return (item != NULL);
}
+/**
+ * gtk_icon_view_get_cell_rect:
+ * @icon_view: a #GtkIconView
+ * @path: a #GtkTreePath
+ * @cell: (allow-none): a #GtkCellRenderer or %NULL
+ * @rect: (out): rectangle to fill with cell rect
+ *
+ * Fills the bounding rectangle in widget coordinates for the cell specified by
+ * @path and @cell. If @cell is %NULL the main cell area is used.
+ *
+ * This function is only valid if @icon_view is realized.
+ *
+ * Return value: %FALSE if there is no such item, %TRUE otherwise
+ *
+ * Since: 3.6
+ */
+gboolean
+gtk_icon_view_get_cell_rect (GtkIconView *icon_view,
+ GtkTreePath *path,
+ GtkCellRenderer *cell,
+ GdkRectangle *rect)
+{
+ GtkIconViewItem *item = NULL;
+ gint x, y;
+
+ g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), FALSE);
+ g_return_val_if_fail (cell == NULL || GTK_IS_CELL_RENDERER (cell), FALSE);
+
+ if (gtk_tree_path_get_depth (path) > 0)
+ item = g_list_nth_data (icon_view->priv->items,
+ gtk_tree_path_get_indices(path)[0]);
+
+ if (!item)
+ return FALSE;
+
+ if (cell)
+ {
+ GtkCellAreaContext *context;
+
+ context = g_ptr_array_index (icon_view->priv->row_contexts, item->row);
+ _gtk_icon_view_set_cell_data (icon_view, item);
+ gtk_cell_area_get_cell_allocation (icon_view->priv->cell_area, context,
+ GTK_WIDGET (icon_view),
+ cell, &item->cell_area, rect);
+ }
+ else
+ {
+ rect->x = item->cell_area.x - icon_view->priv->item_padding;
+ rect->y = item->cell_area.y - icon_view->priv->item_padding;
+ rect->width = item->cell_area.width + icon_view->priv->item_padding * 2;
+ rect->height = item->cell_area.height + icon_view->priv->item_padding * 2;
+ }
+
+ if (icon_view->priv->bin_window)
+ {
+ gdk_window_get_position (icon_view->priv->bin_window, &x, &y);
+ rect->x += x;
+ rect->y += y;
+ }
+
+ return TRUE;
+}
+
/**
* gtk_icon_view_set_tooltip_item:
* @icon_view: a #GtkIconView
GtkCellRenderer *cell)
{
GdkRectangle rect;
- GtkIconViewItem *item = NULL;
- gint x, y;
-
+
g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
g_return_if_fail (cell == NULL || GTK_IS_CELL_RENDERER (cell));
- if (gtk_tree_path_get_depth (path) > 0)
- item = g_list_nth_data (icon_view->priv->items,
- gtk_tree_path_get_indices(path)[0]);
-
- if (!item)
+ if (!gtk_icon_view_get_cell_rect (icon_view, path, cell, &rect))
return;
- if (cell)
- {
- GtkCellAreaContext *context;
-
- context = g_ptr_array_index (icon_view->priv->row_contexts, item->row);
- _gtk_icon_view_set_cell_data (icon_view, item);
- gtk_cell_area_get_cell_allocation (icon_view->priv->cell_area, context,
- GTK_WIDGET (icon_view),
- cell, (GdkRectangle *)item, &rect);
- }
- else
- {
- rect.x = item->cell_area.x - icon_view->priv->item_padding;
- rect.y = item->cell_area.y - icon_view->priv->item_padding;
- rect.width = item->cell_area.width + icon_view->priv->item_padding * 2;
- rect.height = item->cell_area.height + icon_view->priv->item_padding * 2;
- }
-
- if (icon_view->priv->bin_window)
- {
- gdk_window_get_position (icon_view->priv->bin_window, &x, &y);
- rect.x += x;
- rect.y += y;
- }
-
- gtk_tooltip_set_tip_area (tooltip, &rect);
+ gtk_tooltip_set_tip_area (tooltip, &rect);
}
* @x: (inout): the x coordinate (relative to widget coordinates)
* @y: (inout): the y coordinate (relative to widget coordinates)
* @keyboard_tip: whether this is a keyboard tooltip or not
- * @model: (out) (allow-none): a pointer to receive a #GtkTreeModel or %NULL
+ * @model: (out) (allow-none) (transfer none): a pointer to receive a
+ * #GtkTreeModel or %NULL
* @path: (out) (allow-none): a pointer to receive a #GtkTreePath or %NULL
* @iter: (out) (allow-none): a pointer to receive a #GtkTreeIter or %NULL
*
* for you. @column should be set to the column in @icon_view's model
* containing the tooltip texts, or -1 to disable this feature.
*
- * When enabled, #GtkWidget::has-tooltip will be set to %TRUE and
+ * When enabled, #GtkWidget:has-tooltip will be set to %TRUE and
* @icon_view will connect a #GtkWidget::query-tooltip signal handler.
*
* Note that the signal handler sets the text with gtk_tooltip_set_markup(),
for (icons = icon_view->priv->items; icons; icons = icons->next)
{
GtkIconViewItem *item = icons->data;
- GdkRectangle *item_area = (GdkRectangle *)item;
+ GdkRectangle *item_area = &item->cell_area;
if ((item_area->x + item_area->width >= (int)gtk_adjustment_get_value (icon_view->priv->hadjustment)) &&
(item_area->y + item_area->height >= (int)gtk_adjustment_get_value (icon_view->priv->vadjustment)) &&
gtk_icon_view_set_model (GtkIconView *icon_view,
GtkTreeModel *model)
{
+ gboolean dirty;
+
g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
g_return_if_fail (model == NULL || GTK_IS_TREE_MODEL (model));
if (icon_view->priv->cell_area)
gtk_cell_area_stop_editing (icon_view->priv->cell_area, TRUE);
+ dirty = gtk_icon_view_unselect_all_internal (icon_view);
+
if (model)
{
GType column_type;
g_object_unref (icon_view->priv->model);
- g_list_foreach (icon_view->priv->items, (GFunc)gtk_icon_view_item_free, NULL);
- g_list_free (icon_view->priv->items);
+ g_list_free_full (icon_view->priv->items, (GDestroyNotify) gtk_icon_view_item_free);
icon_view->priv->items = NULL;
icon_view->priv->anchor_item = NULL;
icon_view->priv->cursor_item = NULL;
icon_view);
gtk_icon_view_build_items (icon_view);
-
- gtk_icon_view_layout (icon_view);
}
g_object_notify (G_OBJECT (icon_view), "model");
- if (gtk_widget_get_realized (GTK_WIDGET (icon_view)))
- gtk_widget_queue_resize (GTK_WIDGET (icon_view));
+ if (dirty)
+ g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
+
+ gtk_widget_queue_resize (GTK_WIDGET (icon_view));
}
/**
*
* To free the return value, use:
* |[
- * g_list_foreach (list, (GFunc)gtk_tree_path_free, NULL);
- * g_list_free (list);
+ * g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);
* ]|
*
* Return value: (element-type GtkTreePath) (transfer full): A #GList containing a #GtkTreePath for each selected row.
if (icon_view->priv->cell_area)
gtk_cell_area_stop_editing (icon_view->priv->cell_area, TRUE);
- gtk_icon_view_queue_layout (icon_view);
+ gtk_widget_queue_resize (GTK_WIDGET (icon_view));
g_object_notify (G_OBJECT (icon_view), "columns");
}
GdkDevice *device)
{
GdkWindow *window;
- gint px, py, x, y, width, height;
+ gint px, py, width, height;
gint hoffset, voffset;
window = gtk_widget_get_window (GTK_WIDGET (icon_view));
gdk_window_get_device_position (window, device, &px, &py, NULL);
- gdk_window_get_geometry (window, &x, &y, &width, &height);
+ gdk_window_get_geometry (window, NULL, NULL, &width, &height);
/* see if we are near the edge. */
- voffset = py - (y + 2 * SCROLL_EDGE_SIZE);
+ voffset = py - 2 * SCROLL_EDGE_SIZE;
if (voffset > 0)
- voffset = MAX (py - (y + height - 2 * SCROLL_EDGE_SIZE), 0);
+ voffset = MAX (py - (height - 2 * SCROLL_EDGE_SIZE), 0);
- hoffset = px - (x + 2 * SCROLL_EDGE_SIZE);
+ hoffset = px - 2 * SCROLL_EDGE_SIZE;
if (hoffset > 0)
- hoffset = MAX (px - (x + width - 2 * SCROLL_EDGE_SIZE), 0);
+ hoffset = MAX (px - (width - 2 * SCROLL_EDGE_SIZE), 0);
if (voffset != 0)
gtk_adjustment_set_value (icon_view->priv->vadjustment,
/* Drag-and-Drop support */
/**
* gtk_icon_view_enable_model_drag_source:
- * @icon_view: a #GtkIconTreeView
+ * @icon_view: a #GtkIconView
* @start_button_mask: Mask of allowed buttons to start drag
* @targets: (array length=n_targets): the table of targets that the drag will
* support
g_object_notify (G_OBJECT (icon_view), "reorderable");
}
+/**
+ * gtk_icon_view_set_activate_on_single_click:
+ * @icon_view: a #GtkIconView
+ * @setting: %TRUE to emit item-activated on a single click
+ *
+ * Causes the "item-activated" signal to be emitted on a single click
+ * instead of a double click.
+ *
+ * Since: 3.8
+ **/
+void
+gtk_icon_view_set_activate_on_single_click (GtkIconView *icon_view,
+ gboolean setting)
+{
+ g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
+
+ setting = setting != FALSE;
+
+ if (icon_view->priv->activate_on_single_click == setting)
+ return;
+
+ icon_view->priv->activate_on_single_click = setting;
+ g_object_notify (G_OBJECT (icon_view), "activate-on-single-click");
+}
+
+/**
+ * gtk_icon_view_get_activate_on_single_click:
+ * @icon_view: a #GtkIconView
+ *
+ * Gets the setting set by gtk_icon_view_set_activate_on_single_click().
+ *
+ * Return value: %TRUE if item-activated will be emitted on a single click
+ *
+ * Since: 3.8
+ **/
+gboolean
+gtk_icon_view_get_activate_on_single_click (GtkIconView *icon_view)
+{
+ g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), FALSE);
+
+ return icon_view->priv->activate_on_single_click;
+}
+
static gboolean
gtk_icon_view_buildable_custom_tag_start (GtkBuildable *buildable,
GtkBuilder *builder,