Commit 2da7a6d8 authored by Benjamin Otte's avatar Benjamin Otte

tests: Make testcellarea use an iconview

parent 65ad492c
......@@ -377,9 +377,7 @@ testscrolledwindow_SOURCES = \
testscrolledwindow.c
testcellarea_SOURCES = \
testcellarea.c \
cellareascaffold.c \
cellareascaffold.h
testcellarea.c
testtreemenu_SOURCES = \
testtreemenu.c
......
/* cellareascaffold.c
*
* Copyright (C) 2010 Openismus GmbH
*
* Authors:
* Tristan Van Berkom <tristanvb@openismus.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "cellareascaffold.h"
/* GObjectClass */
static void cell_area_scaffold_finalize (GObject *object);
static void cell_area_scaffold_dispose (GObject *object);
/* 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,
GtkAllocation *allocation);
static void cell_area_scaffold_get_preferred_width (GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
static void cell_area_scaffold_get_preferred_height_for_width (GtkWidget *widget,
gint for_size,
gint *minimum_size,
gint *natural_size);
static void cell_area_scaffold_get_preferred_height (GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
static void cell_area_scaffold_get_preferred_width_for_height (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 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 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;
gint row_spacing;
gint indent;
};
enum {
ACTIVATE,
N_SIGNALS
};
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));
static void
cell_area_scaffold_init (CellAreaScaffold *scaffold)
{
CellAreaScaffoldPrivate *priv;
scaffold->priv = G_TYPE_INSTANCE_GET_PRIVATE (scaffold,
TYPE_CELL_AREA_SCAFFOLD,
CellAreaScaffoldPrivate);
priv = scaffold->priv;
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;
GtkContainerClass *container_class;
gobject_class = G_OBJECT_CLASS (class);
gobject_class->dispose = cell_area_scaffold_dispose;
gobject_class->finalize = cell_area_scaffold_finalize;
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_type_class_add_private (gobject_class, sizeof (CellAreaScaffoldPrivate));
}
/*********************************************************
* GObjectClass *
*********************************************************/
static void
cell_area_scaffold_finalize (GObject *object)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (object);
CellAreaScaffoldPrivate *priv;
priv = scaffold->priv;
g_array_free (priv->row_data, TRUE);
G_OBJECT_CLASS (cell_area_scaffold_parent_class)->finalize (object);
}
static void
cell_area_scaffold_dispose (GObject *object)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (object);
CellAreaScaffoldPrivate *priv;
priv = scaffold->priv;
cell_area_scaffold_set_model (scaffold, NULL);
if (priv->context)
{
/* 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_realize (GtkWidget *widget)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
GtkAllocation allocation;
GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
gtk_widget_get_allocation (widget, &allocation);
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_unrealize (GtkWidget *widget)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
if (priv->event_window)
{
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);
}
static gboolean
cell_area_scaffold_draw (GtkWidget *widget,
cairo_t *cr)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
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;
have_focus = gtk_widget_has_focus (widget);
gtk_widget_get_allocation (widget, &allocation);
render_area.x = 0;
render_area.y = 0;
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 (have_focus && i == priv->focus_row)
flags = GTK_CELL_RENDERER_FOCUSED;
else
flags = 0;
render_area.height = data->size;
background_area.height = render_area.height;
background_area.y = render_area.y;
if (i == 0)
{
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
{
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;
}
static void
request_all_base (CellAreaScaffold *scaffold)
{
CellAreaScaffoldPrivate *priv = scaffold->priv;
GtkWidget *widget = GTK_WIDGET (scaffold);
GtkTreeIter iter;
gboolean valid;
if (!priv->model)
return;
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);
gtk_cell_area_get_preferred_width (priv->area, priv->context, widget, &min, &nat);
valid = gtk_tree_model_iter_next (priv->model, &iter);
}
g_signal_handler_unblock (priv->context, priv->size_changed_id);
}
static void
get_row_sizes (CellAreaScaffold *scaffold,
GArray *array,
gint for_size)
{
CellAreaScaffoldPrivate *priv = scaffold->priv;
GtkWidget *widget = GTK_WIDGET (scaffold);
GtkTreeIter iter;
gboolean valid;
gint i = 0;
if (!priv->model)
return;
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);
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);
}
}
static void
cell_area_scaffold_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
gtk_widget_set_allocation (widget, allocation);
if (gtk_widget_get_realized (widget))
gdk_window_move_resize (priv->event_window,
allocation->x,
allocation->y,
allocation->width,
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);
}
static void
cell_area_scaffold_get_preferred_width (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
if (!priv->model)
return;
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;
}
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;
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));
/* 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 (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;
if (!priv->model)
return;
GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, minimum_size, natural_size);
}
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);
if (priv->event_window)
gdk_window_show (priv->event_window);
}
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);
if (priv->event_window)
gdk_window_hide (priv->event_window);
}
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;
/* Grab focus on ourself if we dont already have focus */
if (!gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
/* Move focus from cell to cell and row to row */
focus_row = priv->focus_row;
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_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 gboolean
cell_area_scaffold_button_press (GtkWidget *widget,
GdkEventButton *event)
{
CellAreaScaffold *scaffold = CELL_AREA_SCAFFOLD (widget);
CellAreaScaffoldPrivate *priv = scaffold->priv;
GtkTreeIter iter;
gboolean valid;
gint i = 0;
GdkRectangle event_area;
GtkAllocation allocation;
gboolean handled = FALSE;
gtk_widget_get_allocation (widget, &allocation);
event_area.x = 0;