* 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 <string.h>
/* GObjectClass */
static void cell_area_scaffold_finalize (GObject *object);
static void cell_area_scaffold_dispose (GObject *object);
-static void cell_area_scaffold_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void cell_area_scaffold_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
/* GtkWidgetClass */
+static void cell_area_scaffold_realize (GtkWidget *widget);
+static void cell_area_scaffold_unrealize (GtkWidget *widget);
static gboolean cell_area_scaffold_draw (GtkWidget *widget,
cairo_t *cr);
static void cell_area_scaffold_size_allocate (GtkWidget *widget,
gint for_size,
gint *minimum_size,
gint *natural_size);
-
-
+static void cell_area_scaffold_map (GtkWidget *widget);
+static void cell_area_scaffold_unmap (GtkWidget *widget);
+static gint cell_area_scaffold_focus (GtkWidget *widget,
+ GtkDirectionType direction);
+static gboolean cell_area_scaffold_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+
+/* GtkContainerClass */
+static void cell_area_scaffold_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static void cell_area_scaffold_remove (GtkContainer *container,
+ GtkWidget *child);
+static void cell_area_scaffold_put_edit_widget (CellAreaScaffold *scaffold,
+ GtkWidget *edit_widget,
+ gint x,
+ gint y,
+ gint width,
+ gint height);
+
+/* CellAreaScaffoldClass */
+static void cell_area_scaffold_activate (CellAreaScaffold *scaffold);
+
+/* CellArea/GtkTreeModel callbacks */
+static void size_changed_cb (GtkCellAreaContext *context,
+ GParamSpec *pspec,
+ CellAreaScaffold *scaffold);
+static void focus_changed_cb (GtkCellArea *area,
+ GtkCellRenderer *renderer,
+ const gchar *path,
+ CellAreaScaffold *scaffold);
+static void add_editable_cb (GtkCellArea *area,
+ GtkCellRenderer *renderer,
+ GtkCellEditable *edit_widget,
+ GdkRectangle *cell_area,
+ const gchar *path,
+ CellAreaScaffold *scaffold);
+static void remove_editable_cb (GtkCellArea *area,
+ GtkCellRenderer *renderer,
+ GtkCellEditable *edit_widget,
+ CellAreaScaffold *scaffold);
+static void row_changed_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ CellAreaScaffold *scaffold);
+static void row_inserted_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ CellAreaScaffold *scaffold);
+static void row_deleted_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ CellAreaScaffold *scaffold);
+static void rows_reordered_cb (GtkTreeModel *model,
+ GtkTreePath *parent,
+ GtkTreeIter *iter,
+ gint *new_order,
+ CellAreaScaffold *scaffold);
typedef struct {
- gint size; /* The size of the row in the scaffold's opposing orientation */
+ gint size; /* The height of rows in the scaffold's */
} RowData;
struct _CellAreaScaffoldPrivate {
+ /* Window for catching events and dispatching them to the cell area */
+ GdkWindow *event_window;
+
/* The model we're showing data for */
GtkTreeModel *model;
+ gulong row_changed_id;
+ gulong row_inserted_id;
+ gulong row_deleted_id;
+ gulong rows_reordered_id;
- /* The area rendering the data and a global iter */
- GtkCellArea *area;
- GtkCellAreaIter *iter;
+ /* The area rendering the data and a global context */
+ GtkCellArea *area;
+ GtkCellAreaContext *context;
/* Cache some info about rows (hieghts etc) */
GArray *row_data;
-};
+ /* Focus handling */
+ gint focus_row;
+ gulong focus_changed_id;
+
+ /* Check when the underlying area changes the size and
+ * we need to queue a redraw */
+ gulong size_changed_id;
+
+ /* Currently edited widget */
+ GtkWidget *edit_widget;
+ GdkRectangle edit_rect;
+ gulong add_editable_id;
+ gulong remove_editable_id;
-#define ROW_SPACING 2
+
+ gint row_spacing;
+ gint indent;
+};
enum {
- PROP_0,
- PROP_ORIENTATION
+ ACTIVATE,
+ N_SIGNALS
};
-G_DEFINE_TYPE_WITH_CODE (CellAreaScaffold, cell_area_scaffold, GTK_TYPE_WIDGET,
+static guint scaffold_signals[N_SIGNALS] = { 0 };
+
+#define DIRECTION_STR(dir) \
+ ((dir) == GTK_DIR_TAB_FORWARD ? "tab forward" : \
+ (dir) == GTK_DIR_TAB_BACKWARD ? "tab backward" : \
+ (dir) == GTK_DIR_UP ? "up" : \
+ (dir) == GTK_DIR_DOWN ? "down" : \
+ (dir) == GTK_DIR_LEFT ? "left" : \
+ (dir) == GTK_DIR_RIGHT ? "right" : "invalid")
+
+G_DEFINE_TYPE_WITH_CODE (CellAreaScaffold, cell_area_scaffold, GTK_TYPE_CONTAINER,
G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL));
CellAreaScaffoldPrivate);
priv = scaffold->priv;
- priv->area = gtk_cell_area_box_new ();
- priv->iter = gtk_cell_area_create_iter (priv->area);
+ priv->area = gtk_cell_area_box_new ();
+ priv->context = gtk_cell_area_create_context (priv->area);
priv->row_data = g_array_new (FALSE, FALSE, sizeof (RowData));
gtk_widget_set_has_window (GTK_WIDGET (scaffold), FALSE);
+ gtk_widget_set_can_focus (GTK_WIDGET (scaffold), TRUE);
+
+ priv->size_changed_id =
+ g_signal_connect (priv->context, "notify",
+ G_CALLBACK (size_changed_cb), scaffold);
+
+ priv->focus_changed_id =
+ g_signal_connect (priv->area, "focus-changed",
+ G_CALLBACK (focus_changed_cb), scaffold);
+
+ priv->add_editable_id =
+ g_signal_connect (priv->area, "add-editable",
+ G_CALLBACK (add_editable_cb), scaffold);
+
+ priv->remove_editable_id =
+ g_signal_connect (priv->area, "remove-editable",
+ G_CALLBACK (remove_editable_cb), scaffold);
}
static void
cell_area_scaffold_class_init (CellAreaScaffoldClass *class)
{
- GObjectClass *gobject_class;
- GtkWidgetClass *widget_class;
+ GObjectClass *gobject_class;
+ GtkWidgetClass *widget_class;
+ GtkContainerClass *container_class;
- gobject_class = G_OBJECT_CLASS(class);
+ gobject_class = G_OBJECT_CLASS (class);
gobject_class->dispose = cell_area_scaffold_dispose;
gobject_class->finalize = cell_area_scaffold_finalize;
- gobject_class->get_property = cell_area_scaffold_get_property;
- gobject_class->set_property = cell_area_scaffold_set_property;
- widget_class = GTK_WIDGET_CLASS(class);
+ widget_class = GTK_WIDGET_CLASS (class);
+ widget_class->realize = cell_area_scaffold_realize;
+ widget_class->unrealize = cell_area_scaffold_unrealize;
widget_class->draw = cell_area_scaffold_draw;
widget_class->size_allocate = cell_area_scaffold_size_allocate;
widget_class->get_preferred_width = cell_area_scaffold_get_preferred_width;
widget_class->get_preferred_height_for_width = cell_area_scaffold_get_preferred_height_for_width;
widget_class->get_preferred_height = cell_area_scaffold_get_preferred_height;
widget_class->get_preferred_width_for_height = cell_area_scaffold_get_preferred_width_for_height;
+ widget_class->map = cell_area_scaffold_map;
+ widget_class->unmap = cell_area_scaffold_unmap;
+ widget_class->focus = cell_area_scaffold_focus;
+ widget_class->button_press_event = cell_area_scaffold_button_press;
+
+ container_class = GTK_CONTAINER_CLASS (class);
+ container_class->forall = cell_area_scaffold_forall;
+ container_class->remove = cell_area_scaffold_remove;
+
+ class->activate = cell_area_scaffold_activate;
+
+ scaffold_signals[ACTIVATE] =
+ g_signal_new ("activate",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (CellAreaScaffoldClass, activate),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ widget_class->activate_signal = scaffold_signals[ACTIVATE];
- g_object_class_override_property (gobject_class, PROP_ORIENTATION, "orientation");
g_type_class_add_private (gobject_class, sizeof (CellAreaScaffoldPrivate));
}
cell_area_scaffold_set_model (scaffold, NULL);
- if (priv->iter)
+ if (priv->context)
{
- g_object_unref (priv->iter);
- priv->iter = NULL;
+ /* Disconnect signals */
+ g_signal_handler_disconnect (priv->context, priv->size_changed_id);
+
+ g_object_unref (priv->context);
+ priv->context = NULL;
+ priv->size_changed_id = 0;
}
if (priv->area)
{
+ /* Disconnect signals */
+ g_signal_handler_disconnect (priv->area, priv->focus_changed_id);
+ g_signal_handler_disconnect (priv->area, priv->add_editable_id);
+ g_signal_handler_disconnect (priv->area, priv->remove_editable_id);
+
g_object_unref (priv->area);
priv->area = NULL;
+ priv->focus_changed_id = 0;
}
G_OBJECT_CLASS (cell_area_scaffold_parent_class)->dispose (object);
}
+/*********************************************************
+ * GtkWidgetClass *
+ *********************************************************/
static void
-cell_area_scaffold_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
+cell_area_scaffold_realize (GtkWidget *widget)
{
- CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (object);
- CellAreaScaffoldPrivate *priv;
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ GtkAllocation allocation;
+ GdkWindow *window;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
- priv = scaffold->priv;
+ gtk_widget_get_allocation (widget, &allocation);
- switch (prop_id)
- {
- case PROP_ORIENTATION:
- gtk_orientable_set_orientation (GTK_ORIENTABLE (priv->area),
- g_value_get_enum (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
+ gtk_widget_set_realized (widget, TRUE);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.x = allocation.x;
+ attributes.y = allocation.y;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
+ attributes.wclass = GDK_INPUT_ONLY;
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK);
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y;
+
+ window = gtk_widget_get_parent_window (widget);
+ gtk_widget_set_window (widget, window);
+ g_object_ref (window);
+
+ priv->event_window = gdk_window_new (window, &attributes, attributes_mask);
+ gdk_window_set_user_data (priv->event_window, widget);
}
-static void
-cell_area_scaffold_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
+static void
+cell_area_scaffold_unrealize (GtkWidget *widget)
{
- CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (object);
- CellAreaScaffoldPrivate *priv;
-
- priv = scaffold->priv;
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
- switch (prop_id)
+ if (priv->event_window)
{
- case PROP_ORIENTATION:
- g_value_set_enum (value,
- gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area)));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ gdk_window_set_user_data (priv->event_window, NULL);
+ gdk_window_destroy (priv->event_window);
+ priv->event_window = NULL;
}
+
+ GTK_WIDGET_CLASS (cell_area_scaffold_parent_class)->unrealize (widget);
}
-
-/*********************************************************
- * GtkWidgetClass *
- *********************************************************/
static gboolean
cell_area_scaffold_draw (GtkWidget *widget,
cairo_t *cr)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
- GtkOrientation orientation;
GtkTreeIter iter;
gboolean valid;
+ GdkRectangle background_area;
GdkRectangle render_area;
GtkAllocation allocation;
gint i = 0;
+ gboolean have_focus;
+ GtkCellRendererState flags;
if (!priv->model)
return FALSE;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ have_focus = gtk_widget_has_focus (widget);
gtk_widget_get_allocation (widget, &allocation);
render_area.width = allocation.width;
render_area.height = allocation.height;
+ background_area = render_area;
+
+ render_area.x = priv->indent;
+ render_area.width -= priv->indent;
+
valid = gtk_tree_model_get_iter_first (priv->model, &iter);
while (valid)
{
RowData *data = &g_array_index (priv->row_data, RowData, i);
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- {
- render_area.height = data->size;
- }
+ if (have_focus && i == priv->focus_row)
+ flags = GTK_CELL_RENDERER_FOCUSED;
else
- {
- render_area.width = data->size;
- }
+ flags = 0;
- gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
- gtk_cell_area_render (priv->area, priv->iter, widget, cr, &render_area, 0);
+ render_area.height = data->size;
+
+ background_area.height = render_area.height;
+ background_area.y = render_area.y;
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ if (i == 0)
{
- render_area.y += data->size;
- render_area.y += ROW_SPACING;
+ background_area.height += priv->row_spacing / 2;
+ background_area.height += priv->row_spacing % 2;
+ }
+ else if (i == priv->row_data->len - 1)
+ {
+ background_area.y -= priv->row_spacing / 2;
+ background_area.height += priv->row_spacing / 2;
}
else
{
- render_area.x += data->size;
- render_area.x += ROW_SPACING;
+ background_area.y -= priv->row_spacing / 2;
+ background_area.height += priv->row_spacing;
}
+ gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
+ gtk_cell_area_render (priv->area, priv->context, widget, cr,
+ &background_area, &render_area, flags,
+ (have_focus && i == priv->focus_row));
+
+ render_area.y += data->size;
+ render_area.y += priv->row_spacing;
+
i++;
valid = gtk_tree_model_iter_next (priv->model, &iter);
}
+ /* Draw the edit widget after drawing everything else */
+ GTK_WIDGET_CLASS (cell_area_scaffold_parent_class)->draw (widget, cr);
+
return FALSE;
}
{
CellAreaScaffoldPrivate *priv = scaffold->priv;
GtkWidget *widget = GTK_WIDGET (scaffold);
- GtkOrientation orientation;
GtkTreeIter iter;
gboolean valid;
if (!priv->model)
return;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ g_signal_handler_block (priv->context, priv->size_changed_id);
valid = gtk_tree_model_get_iter_first (priv->model, &iter);
while (valid)
gint min, nat;
gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
-
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- gtk_cell_area_get_preferred_width (priv->area, priv->iter, widget, &min, &nat);
- else
- gtk_cell_area_get_preferred_height (priv->area, priv->iter, widget, &min, &nat);
+ gtk_cell_area_get_preferred_width (priv->area, priv->context, widget, &min, &nat);
valid = gtk_tree_model_iter_next (priv->model, &iter);
}
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- gtk_cell_area_iter_sum_preferred_width (priv->iter);
- else
- gtk_cell_area_iter_sum_preferred_height (priv->iter);
+ g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
static void
{
CellAreaScaffoldPrivate *priv = scaffold->priv;
GtkWidget *widget = GTK_WIDGET (scaffold);
- GtkOrientation orientation;
GtkTreeIter iter;
gboolean valid;
gint i = 0;
if (!priv->model)
return;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
-
valid = gtk_tree_model_get_iter_first (priv->model, &iter);
while (valid)
{
RowData *data = &g_array_index (array, RowData, i);
gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
-
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- gtk_cell_area_get_preferred_height_for_width (priv->area, priv->iter, widget,
- for_size, &data->size, NULL);
- else
- gtk_cell_area_get_preferred_width_for_height (priv->area, priv->iter, widget,
- for_size, &data->size, NULL);
+ gtk_cell_area_get_preferred_height_for_width (priv->area, priv->context, widget,
+ for_size, &data->size, NULL);
i++;
valid = gtk_tree_model_iter_next (priv->model, &iter);
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
- GtkOrientation orientation;
-
- if (!priv->model)
- return;
gtk_widget_set_allocation (widget, allocation);
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ if (gtk_widget_get_realized (widget))
+ gdk_window_move_resize (priv->event_window,
+ allocation->x,
+ allocation->y,
+ allocation->width,
+ allocation->height);
- /* Cache the per-row sizes and allocate the iter */
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- {
- get_row_sizes (scaffold, priv->row_data, allocation->width);
- gtk_cell_area_iter_allocate_width (priv->iter, allocation->width);
- }
- else
- {
- get_row_sizes (scaffold, priv->row_data, allocation->height);
- gtk_cell_area_iter_allocate_height (priv->iter, allocation->height);
- }
+ /* Allocate the child GtkCellEditable widget if one is currently editing a row */
+ if (priv->edit_widget)
+ gtk_widget_size_allocate (priv->edit_widget, &priv->edit_rect);
+
+ if (!priv->model)
+ return;
+
+ /* Cache the per-row sizes and allocate the context */
+ gtk_cell_area_context_allocate (priv->context, allocation->width - priv->indent, -1);
+ get_row_sizes (scaffold, priv->row_data, allocation->width - priv->indent);
}
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
- GtkOrientation orientation;
if (!priv->model)
return;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ request_all_base (scaffold);
+ gtk_cell_area_context_get_preferred_width (priv->context, minimum_size, natural_size);
+
+ *minimum_size += priv->indent;
+ *natural_size += priv->indent;
+}
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- {
- request_all_base (scaffold);
+static void
+cell_area_scaffold_get_preferred_height_for_width (GtkWidget *widget,
+ gint for_size,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ GArray *request_array;
+ gint n_rows, i, full_size = 0;
- gtk_cell_area_iter_get_preferred_width (priv->iter, minimum_size, natural_size);
- }
- else
- {
- gint min_size, nat_size;
+ if (!priv->model)
+ return;
+
+ n_rows = gtk_tree_model_iter_n_children (priv->model, NULL);
+
+ /* Get an array for the contextual request */
+ request_array = g_array_new (FALSE, FALSE, sizeof (RowData));
+ g_array_set_size (request_array, n_rows);
+ memset (request_array->data, 0x0, n_rows * sizeof (RowData));
- GTK_WIDGET_GET_CLASS (widget)->get_preferred_height (widget, &min_size, &nat_size);
- GTK_WIDGET_GET_CLASS (widget)->get_preferred_width_for_height (widget, min_size,
- minimum_size, natural_size);
+ /* Gather each contextual size into the request array */
+ get_row_sizes (scaffold, request_array, for_size - priv->indent);
+
+ /* Sum up the size and add some row spacing */
+ for (i = 0; i < n_rows; i++)
+ {
+ RowData *data = &g_array_index (request_array, RowData, i);
+
+ full_size += data->size;
}
+
+ full_size += MAX (0, n_rows -1) * priv->row_spacing;
+
+ g_array_free (request_array, TRUE);
+
+ *minimum_size = full_size;
+ *natural_size = full_size;
}
static void
-cell_area_scaffold_get_preferred_height_for_width (GtkWidget *widget,
+cell_area_scaffold_get_preferred_height (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ gint min_size, nat_size;
+
+ if (!priv->model)
+ return;
+
+ GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, &min_size, &nat_size);
+ GTK_WIDGET_GET_CLASS (widget)->get_preferred_height_for_width (widget, min_size,
+ minimum_size, natural_size);
+}
+
+static void
+cell_area_scaffold_get_preferred_width_for_height (GtkWidget *widget,
gint for_size,
gint *minimum_size,
gint *natural_size)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
- GtkOrientation orientation;
if (!priv->model)
return;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, minimum_size, natural_size);
+}
- if (orientation == GTK_ORIENTATION_HORIZONTAL)
- {
- GArray *request_array;
- gint n_rows, i, full_size = 0;
+static void
+cell_area_scaffold_map (GtkWidget *widget)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+
+ GTK_WIDGET_CLASS (cell_area_scaffold_parent_class)->map (widget);
- n_rows = gtk_tree_model_iter_n_children (priv->model, NULL);
+ if (priv->event_window)
+ gdk_window_show (priv->event_window);
+}
- /* Get an array for the contextual request */
- request_array = g_array_new (FALSE, FALSE, sizeof (RowData));
- g_array_set_size (request_array, n_rows);
- memset (request_array->data, 0x0, n_rows * sizeof (RowData));
+static void
+cell_area_scaffold_unmap (GtkWidget *widget)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+
+ GTK_WIDGET_CLASS (cell_area_scaffold_parent_class)->unmap (widget);
- /* Gather each contextual size into the request array */
- get_row_sizes (scaffold, request_array, for_size);
+ if (priv->event_window)
+ gdk_window_hide (priv->event_window);
+}
- /* Sum up the size and add some row spacing */
- for (i = 0; i < n_rows; i++)
- {
- RowData *data = &g_array_index (request_array, RowData, i);
- full_size += data->size;
- }
+static gint
+cell_area_scaffold_focus (GtkWidget *widget,
+ GtkDirectionType direction)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ GtkTreeIter iter;
+ gboolean valid;
+ gint focus_row;
+ gboolean changed = FALSE;
- full_size += MAX (0, n_rows -1) * ROW_SPACING;
+ /* Grab focus on ourself if we dont already have focus */
+ if (!gtk_widget_has_focus (widget))
+ gtk_widget_grab_focus (widget);
- g_array_free (request_array, TRUE);
+ /* Move focus from cell to cell and row to row */
+ focus_row = priv->focus_row;
- *minimum_size = full_size;
- *natural_size = full_size;
- }
- else
+ g_signal_handler_block (priv->area, priv->focus_changed_id);
+
+ valid = gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, priv->focus_row);
+ while (valid)
{
- GTK_WIDGET_GET_CLASS (widget)->get_preferred_height (widget, minimum_size, natural_size);
+ gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
+
+ /* If focus stays in the area we dont need to do any more */
+ if (gtk_cell_area_focus (priv->area, direction))
+ {
+ priv->focus_row = focus_row;
+
+ /* XXX A smarter implementation would only invalidate the rectangles where
+ * focus was removed from and new focus was placed */
+ gtk_widget_queue_draw (widget);
+ changed = TRUE;
+ break;
+ }
+ else
+ {
+ if (direction == GTK_DIR_RIGHT ||
+ direction == GTK_DIR_LEFT)
+ break;
+ else if (direction == GTK_DIR_UP ||
+ direction == GTK_DIR_TAB_BACKWARD)
+ {
+ if (focus_row == 0)
+ break;
+ else
+ {
+ /* XXX A real implementation should check if the
+ * previous row can focus with its attributes setup */
+ focus_row--;
+ valid = gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, focus_row);
+ }
+ }
+ else /* direction == GTK_DIR_DOWN || GTK_DIR_TAB_FORWARD */
+ {
+ if (focus_row == priv->row_data->len - 1)
+ break;
+ else
+ {
+ /* XXX A real implementation should check if the
+ * previous row can focus with its attributes setup */
+ focus_row++;
+ valid = gtk_tree_model_iter_next (priv->model, &iter);
+ }
+ }
+ }
}
+
+ g_signal_handler_unblock (priv->area, priv->focus_changed_id);
+
+ /* XXX A smarter implementation would only invalidate the rectangles where
+ * focus was removed from and new focus was placed */
+ gtk_widget_queue_draw (widget);
+
+ return changed;
}
-static void
-cell_area_scaffold_get_preferred_height (GtkWidget *widget,
- gint *minimum_size,
- gint *natural_size)
+static gboolean
+cell_area_scaffold_button_press (GtkWidget *widget,
+ GdkEventButton *event)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
- GtkOrientation orientation;
+ GtkTreeIter iter;
+ gboolean valid;
+ gint i = 0;
+ GdkRectangle event_area;
+ GtkAllocation allocation;
+ gboolean handled = FALSE;
- if (!priv->model)
- return;
+ gtk_widget_get_allocation (widget, &allocation);
+
+ event_area.x = 0;
+ event_area.y = 0;
+ event_area.width = allocation.width;
+ event_area.height = allocation.height;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ event_area.x = priv->indent;
+ event_area.width -= priv->indent;
- if (orientation == GTK_ORIENTATION_VERTICAL)
+ valid = gtk_tree_model_get_iter_first (priv->model, &iter);
+ while (valid)
{
- request_all_base (scaffold);
+ RowData *data = &g_array_index (priv->row_data, RowData, i);
- gtk_cell_area_iter_get_preferred_height (priv->iter, minimum_size, natural_size);
+ event_area.height = data->size;
+
+ if (event->y >= event_area.y &&
+ event->y <= event_area.y + event_area.height)
+ {
+ /* XXX A real implementation would assemble GtkCellRendererState flags here */
+ gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
+ handled = gtk_cell_area_event (priv->area, priv->context, GTK_WIDGET (scaffold),
+ (GdkEvent *)event, &event_area, 0);
+ break;
+ }
+
+ event_area.y += data->size;
+ event_area.y += priv->row_spacing;
+
+ i++;
+ valid = gtk_tree_model_iter_next (priv->model, &iter);
}
- else
+
+ return handled;
+}
+
+
+/*********************************************************
+ * GtkContainerClass *
+ *********************************************************/
+static void
+cell_area_scaffold_put_edit_widget (CellAreaScaffold *scaffold,
+ GtkWidget *edit_widget,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
+{
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+
+ priv->edit_rect.x = x;
+ priv->edit_rect.y = y;
+ priv->edit_rect.width = width;
+ priv->edit_rect.height = height;
+ priv->edit_widget = edit_widget;
+
+ gtk_widget_set_parent (edit_widget, GTK_WIDGET (scaffold));
+}
+
+static void
+cell_area_scaffold_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (container);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+
+ if (priv->edit_widget)
+ (* callback) (priv->edit_widget, callback_data);
+}
+
+static void
+cell_area_scaffold_remove (GtkContainer *container,
+ GtkWidget *child)
+{
+ CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (container);
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+
+ g_return_if_fail (child == priv->edit_widget);
+
+ gtk_widget_unparent (priv->edit_widget);
+ priv->edit_widget = NULL;
+}
+
+/*********************************************************
+ * CellAreaScaffoldClass *
+ *********************************************************/
+static void
+cell_area_scaffold_activate (CellAreaScaffold *scaffold)
+{
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ GtkWidget *widget = GTK_WIDGET (scaffold);
+ GtkAllocation allocation;
+ GdkRectangle cell_area;
+ GtkTreeIter iter;
+ gboolean valid;
+ gint i = 0;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ cell_area.x = 0;
+ cell_area.y = 0;
+ cell_area.width = allocation.width;
+ cell_area.height = allocation.height;
+
+ cell_area.x = priv->indent;
+ cell_area.width -= priv->indent;
+
+ valid = gtk_tree_model_get_iter_first (priv->model, &iter);
+ while (valid)
{
- gint min_size, nat_size;
+ RowData *data = &g_array_index (priv->row_data, RowData, i);
- GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, &min_size, &nat_size);
- GTK_WIDGET_GET_CLASS (widget)->get_preferred_height_for_width (widget, min_size,
- minimum_size, natural_size);
+ if (i == priv->focus_row)
+ {
+ cell_area.height = data->size;
+
+ gtk_cell_area_apply_attributes (priv->area, priv->model, &iter, FALSE, FALSE);
+ gtk_cell_area_activate (priv->area, priv->context, widget, &cell_area,
+ GTK_CELL_RENDERER_FOCUSED, FALSE);
+
+ break;
+ }
+
+ cell_area.y += data->size + priv->row_spacing;
+
+ i++;
+ valid = gtk_tree_model_iter_next (priv->model, &iter);
}
}
+/*********************************************************
+ * CellArea/GtkTreeModel callbacks *
+ *********************************************************/
static void
-cell_area_scaffold_get_preferred_width_for_height (GtkWidget *widget,
- gint for_size,
- gint *minimum_size,
- gint *natural_size)
+size_changed_cb (GtkCellAreaContext *context,
+ GParamSpec *pspec,
+ CellAreaScaffold *scaffold)
{
- CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
- CellAreaScaffoldPrivate *priv = scaffold->priv;
- GtkOrientation orientation;
+ if (!strcmp (pspec->name, "minimum-width") ||
+ !strcmp (pspec->name, "natural-width") ||
+ !strcmp (pspec->name, "minimum-height") ||
+ !strcmp (pspec->name, "natural-height"))
+ gtk_widget_queue_resize (GTK_WIDGET (scaffold));
+}
+
+static void
+focus_changed_cb (GtkCellArea *area,
+ GtkCellRenderer *renderer,
+ const gchar *path,
+ CellAreaScaffold *scaffold)
+{
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ GtkWidget *widget = GTK_WIDGET (scaffold);
+ GtkTreePath *treepath;
+ gint *indices;
if (!priv->model)
return;
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (priv->area));
+ /* We can be signaled that a renderer lost focus, here
+ * we dont care */
+ if (!renderer)
+ return;
+
+ treepath = gtk_tree_path_new_from_string (path);
+ indices = gtk_tree_path_get_indices (treepath);
- if (orientation == GTK_ORIENTATION_VERTICAL)
- {
- GArray *request_array;
- gint n_rows, i, full_size = 0;
+ priv->focus_row = indices[0];
- n_rows = gtk_tree_model_iter_n_children (priv->model, NULL);
+ gtk_tree_path_free (treepath);
- /* Get an array for the contextual request */
- request_array = g_array_new (FALSE, FALSE, sizeof (RowData));
- g_array_set_size (request_array, n_rows);
- memset (request_array->data, 0x0, n_rows * sizeof (RowData));
+ /* Make sure we have focus now */
+ if (!gtk_widget_has_focus (widget))
+ gtk_widget_grab_focus (widget);
- /* Gather each contextual size into the request array */
- get_row_sizes (scaffold, request_array, for_size);
+ gtk_widget_queue_draw (widget);
+}
- /* Sum up the size and add some row spacing */
- for (i = 0; i < n_rows; i++)
- {
- RowData *data = &g_array_index (request_array, RowData, i);
+static void
+add_editable_cb (GtkCellArea *area,
+ GtkCellRenderer *renderer,
+ GtkCellEditable *edit_widget,
+ GdkRectangle *cell_area,
+ const gchar *path,
+ CellAreaScaffold *scaffold)
+{
+ GtkAllocation allocation;
- full_size += data->size;
- }
+ gtk_widget_get_allocation (GTK_WIDGET (scaffold), &allocation);
- full_size += MAX (0, n_rows -1) * ROW_SPACING;
+ cell_area_scaffold_put_edit_widget (scaffold, GTK_WIDGET (edit_widget),
+ allocation.x + cell_area->x,
+ allocation.y + cell_area->y,
+ cell_area->width, cell_area->height);
+}
- g_array_free (request_array, TRUE);
+static void
+remove_editable_cb (GtkCellArea *area,
+ GtkCellRenderer *renderer,
+ GtkCellEditable *edit_widget,
+ CellAreaScaffold *scaffold)
+{
+ gtk_container_remove (GTK_CONTAINER (scaffold), GTK_WIDGET (edit_widget));
- *minimum_size = full_size;
- *natural_size = full_size;
- }
- else
+ gtk_widget_grab_focus (GTK_WIDGET (scaffold));
+}
+
+static void
+rebuild_and_reset_internals (CellAreaScaffold *scaffold)
+{
+ CellAreaScaffoldPrivate *priv = scaffold->priv;
+ gint n_rows;
+
+ if (priv->model)
{
- GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, minimum_size, natural_size);
+ n_rows = gtk_tree_model_iter_n_children (priv->model, NULL);
+
+ /* Clear/reset the array */
+ g_array_set_size (priv->row_data, n_rows);
+ memset (priv->row_data->data, 0x0, n_rows * sizeof (RowData));
}
+ else
+ g_array_set_size (priv->row_data, 0);
+
+ /* Data changed, lets reset the context and consequently queue resize and
+ * start everything over again (note this is definitly far from optimized) */
+ gtk_cell_area_context_reset (priv->context);
+}
+
+static void
+row_changed_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ CellAreaScaffold *scaffold)
+{
+ rebuild_and_reset_internals (scaffold);
+}
+
+static void
+row_inserted_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ CellAreaScaffold *scaffold)
+{
+ rebuild_and_reset_internals (scaffold);
}
+static void
+row_deleted_cb (GtkTreeModel *model,
+ GtkTreePath *path,
+ CellAreaScaffold *scaffold)
+{
+ rebuild_and_reset_internals (scaffold);
+}
+static void
+rows_reordered_cb (GtkTreeModel *model,
+ GtkTreePath *parent,
+ GtkTreeIter *iter,
+ gint *new_order,
+ CellAreaScaffold *scaffold)
+{
+ rebuild_and_reset_internals (scaffold);
+}
/*********************************************************
* API *
{
if (priv->model)
{
- /* XXX disconnect signals */
+ g_signal_handler_disconnect (priv->model, priv->row_changed_id);
+ g_signal_handler_disconnect (priv->model, priv->row_inserted_id);
+ g_signal_handler_disconnect (priv->model, priv->row_deleted_id);
+ g_signal_handler_disconnect (priv->model, priv->rows_reordered_id);
+
g_object_unref (priv->model);
}
if (priv->model)
{
- gint n_rows;
-
- /* XXX connect signals */
g_object_ref (priv->model);
- n_rows = gtk_tree_model_iter_n_children (priv->model, NULL);
+ priv->row_changed_id =
+ g_signal_connect (priv->model, "row-changed",
+ G_CALLBACK (row_changed_cb), scaffold);
- /* Clear/reset the array */
- g_array_set_size (priv->row_data, n_rows);
- memset (priv->row_data->data, 0x0, n_rows * sizeof (RowData));
- }
- else
- {
- g_array_set_size (priv->row_data, 0);
- }
+ priv->row_inserted_id =
+ g_signal_connect (priv->model, "row-inserted",
+ G_CALLBACK (row_inserted_cb), scaffold);
- gtk_cell_area_iter_flush (priv->iter);
+ priv->row_deleted_id =
+ g_signal_connect (priv->model, "row-deleted",
+ G_CALLBACK (row_deleted_cb), scaffold);
- gtk_widget_queue_resize (GTK_WIDGET (scaffold));
+ priv->rows_reordered_id =
+ g_signal_connect (priv->model, "rows-reordered",
+ G_CALLBACK (rows_reordered_cb), scaffold);
+ }
+
+ rebuild_and_reset_internals (scaffold);
}
}
return priv->model;
}
+
+
+void
+cell_area_scaffold_set_row_spacing (CellAreaScaffold *scaffold,
+ gint spacing)
+{
+ CellAreaScaffoldPrivate *priv;
+
+ g_return_if_fail (IS_CELL_AREA_SCAFFOLD (scaffold));
+
+ priv = scaffold->priv;
+
+ if (priv->row_spacing != spacing)
+ {
+ priv->row_spacing = spacing;
+ gtk_widget_queue_resize (GTK_WIDGET (scaffold));
+ }
+}
+
+gint
+cell_area_scaffold_get_row_spacing (CellAreaScaffold *scaffold)
+{
+ CellAreaScaffoldPrivate *priv;
+
+ g_return_val_if_fail (IS_CELL_AREA_SCAFFOLD (scaffold), 0);
+
+ priv = scaffold->priv;
+
+ return priv->row_spacing;
+}
+
+void
+cell_area_scaffold_set_indentation (CellAreaScaffold *scaffold,
+ gint indent)
+{
+ CellAreaScaffoldPrivate *priv;
+
+ g_return_if_fail (IS_CELL_AREA_SCAFFOLD (scaffold));
+
+ priv = scaffold->priv;
+
+ if (priv->indent != indent)
+ {
+ priv->indent = indent;
+ gtk_widget_queue_resize (GTK_WIDGET (scaffold));
+ }
+}
+
+gint
+cell_area_scaffold_get_indentation (CellAreaScaffold *scaffold)
+{
+ CellAreaScaffoldPrivate *priv;
+
+ g_return_val_if_fail (IS_CELL_AREA_SCAFFOLD (scaffold), 0);
+
+ priv = scaffold->priv;
+
+ return priv->indent;
+}
+
+
projects / ~andy / gtk / blobdiff