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gtktoolpalette.c
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gtktoolpalette.c
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/* GtkToolPalette -- A tool palette with categories and DnD support
* Copyright (C) 2008 Openismus GmbH
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Mathias Hasselmann
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "gtktoolpaletteprivate.h"
#include "gtkmarshalers.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtkscrollable.h"
#include "gtkorientableprivate.h"
#include "gtkintl.h"
#define DEFAULT_ICON_SIZE GTK_ICON_SIZE_SMALL_TOOLBAR
#define DEFAULT_ORIENTATION GTK_ORIENTATION_VERTICAL
#define DEFAULT_TOOLBAR_STYLE GTK_TOOLBAR_ICONS
#define DEFAULT_CHILD_EXCLUSIVE FALSE
#define DEFAULT_CHILD_EXPAND FALSE
/**
* SECTION:gtktoolpalette
* @Short_description: A tool palette with categories
* @Title: GtkToolPalette
*
* A #GtkToolPalette allows you to add #GtkToolItem<!-- -->s to a palette-like
* container with different categories and drag and drop support.
*
* A #GtkToolPalette is created with a call to gtk_tool_palette_new().
*
* #GtkToolItem<!-- -->s cannot be added directly to a #GtkToolPalette -
* instead they are added to a #GtkToolItemGroup which can than be added
* to a #GtkToolPalette. To add a #GtkToolItemGroup to a #GtkToolPalette,
* use gtk_container_add().
*
* |[
* GtkWidget *palette, *group;
* GtkToolItem *item;
*
* palette = gtk_tool_palette_new ();
* group = gtk_tool_item_group_new (_("Test Category"));
* gtk_container_add (GTK_CONTAINER (palette), group);
*
* item = gtk_tool_button_new_from_stock (GTK_STOCK_OK);
* gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
* ]|
*
* The easiest way to use drag and drop with #GtkToolPalette is to call
* gtk_tool_palette_add_drag_dest() with the desired drag source @palette
* and the desired drag target @widget. Then gtk_tool_palette_get_drag_item()
* can be used to get the dragged item in the #GtkWidget::drag-data-received
* signal handler of the drag target.
*
* |[
* static void
* passive_canvas_drag_data_received (GtkWidget *widget,
* GdkDragContext *context,
* gint x,
* gint y,
* GtkSelectionData *selection,
* guint info,
* guint time,
* gpointer data)
* {
* GtkWidget *palette;
* GtkWidget *item;
*
* /<!-- -->* Get the dragged item *<!-- -->/
* palette = gtk_widget_get_ancestor (gtk_drag_get_source_widget (context),
* GTK_TYPE_TOOL_PALETTE);
* if (palette != NULL)
* item = gtk_tool_palette_get_drag_item (GTK_TOOL_PALETTE (palette),
* selection);
*
* /<!-- -->* Do something with item *<!-- -->/
* }
*
* GtkWidget *target, palette;
*
* palette = gtk_tool_palette_new ();
* target = gtk_drawing_area_new ();
*
* g_signal_connect (G_OBJECT (target), "drag-data-received",
* G_CALLBACK (passive_canvas_drag_data_received), NULL);
* gtk_tool_palette_add_drag_dest (GTK_TOOL_PALETTE (palette), target,
* GTK_DEST_DEFAULT_ALL,
* GTK_TOOL_PALETTE_DRAG_ITEMS,
* GDK_ACTION_COPY);
* ]|
*
* Since: 2.20
*/
typedef struct _GtkToolItemGroupInfo GtkToolItemGroupInfo;
typedef struct _GtkToolPaletteDragData GtkToolPaletteDragData;
enum
{
PROP_NONE,
PROP_ICON_SIZE,
PROP_ICON_SIZE_SET,
PROP_ORIENTATION,
PROP_TOOLBAR_STYLE,
PROP_HADJUSTMENT,
PROP_VADJUSTMENT,
PROP_HSCROLL_POLICY,
PROP_VSCROLL_POLICY
};
enum
{
CHILD_PROP_NONE,
CHILD_PROP_EXCLUSIVE,
CHILD_PROP_EXPAND,
};
struct _GtkToolItemGroupInfo
{
GtkToolItemGroup *widget;
gulong notify_collapsed;
guint pos;
guint exclusive : 1;
guint expand : 1;
};
struct _GtkToolPalettePrivate
{
GPtrArray* groups;
GtkAdjustment *hadjustment;
GtkAdjustment *vadjustment;
GtkIconSize icon_size;
gboolean icon_size_set;
GtkOrientation orientation;
GtkToolbarStyle style;
gboolean style_set;
GtkWidget *expanding_child;
GtkSizeGroup *text_size_group;
GtkSettings *settings;
gulong settings_connection;
guint drag_source : 2;
/* GtkScrollablePolicy needs to be checked when
* driving the scrollable adjustment values */
guint hscroll_policy : 1;
guint vscroll_policy : 1;
};
struct _GtkToolPaletteDragData
{
GtkToolPalette *palette;
GtkWidget *item;
};
static GdkAtom dnd_target_atom_item = GDK_NONE;
static GdkAtom dnd_target_atom_group = GDK_NONE;
static const GtkTargetEntry dnd_targets[] =
{
{ "application/x-gtk-tool-palette-item", GTK_TARGET_SAME_APP, 0 },
{ "application/x-gtk-tool-palette-group", GTK_TARGET_SAME_APP, 0 },
};
static void gtk_tool_palette_set_hadjustment (GtkToolPalette *palette,
GtkAdjustment *adjustment);
static void gtk_tool_palette_set_vadjustment (GtkToolPalette *palette,
GtkAdjustment *adjustment);
G_DEFINE_TYPE_WITH_CODE (GtkToolPalette,
gtk_tool_palette,
GTK_TYPE_CONTAINER,
G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
static void
gtk_tool_palette_init (GtkToolPalette *palette)
{
palette->priv = G_TYPE_INSTANCE_GET_PRIVATE (palette,
GTK_TYPE_TOOL_PALETTE,
GtkToolPalettePrivate);
palette->priv->groups = g_ptr_array_sized_new (4);
g_ptr_array_set_free_func (palette->priv->groups, g_free);
palette->priv->icon_size = DEFAULT_ICON_SIZE;
palette->priv->icon_size_set = FALSE;
palette->priv->orientation = DEFAULT_ORIENTATION;
palette->priv->style = DEFAULT_TOOLBAR_STYLE;
palette->priv->style_set = FALSE;
palette->priv->text_size_group = gtk_size_group_new (GTK_SIZE_GROUP_BOTH);
}
static void
gtk_tool_palette_reconfigured (GtkToolPalette *palette)
{
guint i;
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
if (info->widget)
_gtk_tool_item_group_palette_reconfigured (info->widget);
}
gtk_widget_queue_resize_no_redraw (GTK_WIDGET (palette));
}
static void
gtk_tool_palette_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
switch (prop_id)
{
case PROP_ICON_SIZE:
if ((guint) g_value_get_enum (value) != palette->priv->icon_size)
{
palette->priv->icon_size = g_value_get_enum (value);
gtk_tool_palette_reconfigured (palette);
}
break;
case PROP_ICON_SIZE_SET:
if ((guint) g_value_get_enum (value) != palette->priv->icon_size)
{
palette->priv->icon_size_set = g_value_get_enum (value);
gtk_tool_palette_reconfigured (palette);
}
break;
case PROP_ORIENTATION:
if ((guint) g_value_get_enum (value) != palette->priv->orientation)
{
palette->priv->orientation = g_value_get_enum (value);
_gtk_orientable_set_style_classes (GTK_ORIENTABLE (palette));
gtk_tool_palette_reconfigured (palette);
}
break;
case PROP_TOOLBAR_STYLE:
if ((guint) g_value_get_enum (value) != palette->priv->style)
{
palette->priv->style = g_value_get_enum (value);
gtk_tool_palette_reconfigured (palette);
}
break;
case PROP_HADJUSTMENT:
gtk_tool_palette_set_hadjustment (palette, g_value_get_object (value));
break;
case PROP_VADJUSTMENT:
gtk_tool_palette_set_vadjustment (palette, g_value_get_object (value));
break;
case PROP_HSCROLL_POLICY:
palette->priv->hscroll_policy = g_value_get_enum (value);
gtk_widget_queue_resize (GTK_WIDGET (palette));
break;
case PROP_VSCROLL_POLICY:
palette->priv->vscroll_policy = g_value_get_enum (value);
gtk_widget_queue_resize (GTK_WIDGET (palette));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_tool_palette_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
switch (prop_id)
{
case PROP_ICON_SIZE:
g_value_set_enum (value, gtk_tool_palette_get_icon_size (palette));
break;
case PROP_ICON_SIZE_SET:
g_value_set_boolean (value, palette->priv->icon_size_set);
break;
case PROP_ORIENTATION:
g_value_set_enum (value, palette->priv->orientation);
break;
case PROP_TOOLBAR_STYLE:
g_value_set_enum (value, gtk_tool_palette_get_style (palette));
break;
case PROP_HADJUSTMENT:
g_value_set_object (value, palette->priv->hadjustment);
break;
case PROP_VADJUSTMENT:
g_value_set_object (value, palette->priv->vadjustment);
break;
case PROP_HSCROLL_POLICY:
g_value_set_enum (value, palette->priv->hscroll_policy);
break;
case PROP_VSCROLL_POLICY:
g_value_set_enum (value, palette->priv->vscroll_policy);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_tool_palette_dispose (GObject *object)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
guint i;
if (palette->priv->hadjustment)
{
g_object_unref (palette->priv->hadjustment);
palette->priv->hadjustment = NULL;
}
if (palette->priv->vadjustment)
{
g_object_unref (palette->priv->vadjustment);
palette->priv->vadjustment = NULL;
}
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
if (group->notify_collapsed)
{
g_signal_handler_disconnect (group->widget, group->notify_collapsed);
group->notify_collapsed = 0;
}
}
if (palette->priv->text_size_group)
{
g_object_unref (palette->priv->text_size_group);
palette->priv->text_size_group = NULL;
}
G_OBJECT_CLASS (gtk_tool_palette_parent_class)->dispose (object);
}
static void
gtk_tool_palette_finalize (GObject *object)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
g_ptr_array_free (palette->priv->groups, TRUE);
G_OBJECT_CLASS (gtk_tool_palette_parent_class)->finalize (object);
}
static void
gtk_tool_palette_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
GtkRequisition child_requisition;
guint border_width;
guint i;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
requisition->width = 0;
requisition->height = 0;
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
if (!group->widget)
continue;
gtk_widget_get_preferred_size (GTK_WIDGET (group->widget),
&child_requisition, NULL);
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
{
requisition->width = MAX (requisition->width, child_requisition.width);
requisition->height += child_requisition.height;
}
else
{
requisition->width += child_requisition.width;
requisition->height = MAX (requisition->height, child_requisition.height);
}
}
requisition->width += border_width * 2;
requisition->height += border_width * 2;
}
static void
gtk_tool_palette_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkRequisition requisition;
gtk_tool_palette_size_request (widget, &requisition);
*minimum = *natural = requisition.width;
}
static void
gtk_tool_palette_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkRequisition requisition;
gtk_tool_palette_size_request (widget, &requisition);
*minimum = *natural = requisition.height;
}
static void
gtk_tool_palette_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
GtkAdjustment *adjustment = NULL;
GtkAllocation child_allocation;
gint n_expand_groups = 0;
gint remaining_space = 0;
gint expand_space = 0;
gint page_start, page_size = 0;
gint offset = 0;
guint i;
guint border_width;
gint min_offset = -1, max_offset = -1;
gint x;
gint *group_sizes = g_newa (gint, palette->priv->groups->len);
GtkTextDirection direction;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
direction = gtk_widget_get_direction (widget);
GTK_WIDGET_CLASS (gtk_tool_palette_parent_class)->size_allocate (widget, allocation);
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
{
adjustment = palette->priv->vadjustment;
page_size = allocation->height;
}
else
{
adjustment = palette->priv->hadjustment;
page_size = allocation->width;
}
if (adjustment)
offset = gtk_adjustment_get_value (adjustment);
if (GTK_ORIENTATION_HORIZONTAL == palette->priv->orientation &&
GTK_TEXT_DIR_RTL == direction)
offset = -offset;
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
child_allocation.width = allocation->width - border_width * 2;
else
child_allocation.height = allocation->height - border_width * 2;
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
remaining_space = allocation->height;
else
remaining_space = allocation->width;
/* figure out the required size of all groups to be able to distribute the
* remaining space on allocation
*/
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
gint size;
group_sizes[i] = 0;
if (!group->widget)
continue;
widget = GTK_WIDGET (group->widget);
if (gtk_tool_item_group_get_n_items (group->widget))
{
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
size = _gtk_tool_item_group_get_height_for_width (group->widget, child_allocation.width);
else
size = _gtk_tool_item_group_get_width_for_height (group->widget, child_allocation.height);
if (group->expand && !gtk_tool_item_group_get_collapsed (group->widget))
n_expand_groups += 1;
}
else
size = 0;
remaining_space -= size;
group_sizes[i] = size;
/* if the widget is currently expanding an offset which allows to
* display as much of the widget as possible is calculated
*/
if (widget == palette->priv->expanding_child)
{
gint limit =
GTK_ORIENTATION_VERTICAL == palette->priv->orientation ?
child_allocation.width : child_allocation.height;
gint real_size;
guint j;
min_offset = 0;
for (j = 0; j < i; ++j)
min_offset += group_sizes[j];
max_offset = min_offset + group_sizes[i];
real_size = _gtk_tool_item_group_get_size_for_limit
(GTK_TOOL_ITEM_GROUP (widget), limit,
GTK_ORIENTATION_VERTICAL == palette->priv->orientation,
FALSE);
if (size == real_size)
palette->priv->expanding_child = NULL;
}
}
if (n_expand_groups > 0)
{
remaining_space = MAX (0, remaining_space);
expand_space = remaining_space / n_expand_groups;
}
if (max_offset != -1)
{
gint limit =
GTK_ORIENTATION_VERTICAL == palette->priv->orientation ?
allocation->height : allocation->width;
offset = MIN (MAX (offset, max_offset - limit), min_offset);
}
if (remaining_space > 0)
offset = 0;
x = border_width;
child_allocation.y = border_width;
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
child_allocation.y -= offset;
else
x -= offset;
/* allocate all groups at the calculated positions */
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
GtkWidget *widget;
if (!group->widget)
continue;
widget = GTK_WIDGET (group->widget);
if (gtk_tool_item_group_get_n_items (group->widget))
{
gint size = group_sizes[i];
if (group->expand && !gtk_tool_item_group_get_collapsed (group->widget))
{
size += MIN (expand_space, remaining_space);
remaining_space -= expand_space;
}
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
child_allocation.height = size;
else
child_allocation.width = size;
if (GTK_ORIENTATION_HORIZONTAL == palette->priv->orientation &&
GTK_TEXT_DIR_RTL == direction)
child_allocation.x = allocation->width - x - child_allocation.width;
else
child_allocation.x = x;
gtk_widget_size_allocate (widget, &child_allocation);
gtk_widget_show (widget);
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
child_allocation.y += child_allocation.height;
else
x += child_allocation.width;
}
else
gtk_widget_hide (widget);
}
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
{
child_allocation.y += border_width;
child_allocation.y += offset;
page_start = child_allocation.y;
}
else
{
x += border_width;
x += offset;
page_start = x;
}
/* update the scrollbar to match the displayed adjustment */
if (adjustment)
{
gdouble value, lower, upper;
if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation ||
GTK_TEXT_DIR_LTR == direction)
{
lower = 0;
upper = MAX (0, page_start);
value = MIN (offset, upper - page_size);
gtk_adjustment_clamp_page (adjustment, value, offset + page_size);
}
else
{
lower = page_size - MAX (0, page_start);
upper = page_size;
offset = -offset;
value = MAX (offset, lower);
gtk_adjustment_clamp_page (adjustment, offset, value + page_size);
}
gtk_adjustment_configure (adjustment,
value,
lower,
upper,
page_size * 0.1,
page_size * 0.9,
page_size);
}
}
static void
gtk_tool_palette_realize (GtkWidget *widget)
{
GtkAllocation allocation;
GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
guint border_width;
gtk_widget_set_realized (widget, TRUE);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
gtk_widget_get_allocation (widget, &allocation);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = allocation.x + border_width;
attributes.y = allocation.y + border_width;
attributes.width = allocation.width - border_width * 2;
attributes.height = allocation.height - border_width * 2;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.event_mask = gtk_widget_get_events (widget)
| GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_BUTTON_MOTION_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
window = gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, attributes_mask);
gtk_widget_set_window (widget, window);
gdk_window_set_user_data (window, widget);
gtk_style_context_set_background (gtk_widget_get_style_context (widget),
window);
gtk_container_forall (GTK_CONTAINER (widget),
(GtkCallback) gtk_widget_set_parent_window,
window);
gtk_widget_queue_resize_no_redraw (widget);
}
static void
gtk_tool_palette_adjustment_value_changed (GtkAdjustment *adjustment,
gpointer data)
{
GtkAllocation allocation;
GtkWidget *widget = GTK_WIDGET (data);
gtk_widget_get_allocation (widget, &allocation);
gtk_tool_palette_size_allocate (widget, &allocation);
}
static void
gtk_tool_palette_add (GtkContainer *container,
GtkWidget *child)
{
GtkToolPalette *palette;
GtkToolItemGroupInfo *info = g_new0(GtkToolItemGroupInfo, 1);
g_return_if_fail (GTK_IS_TOOL_PALETTE (container));
g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (child));
palette = GTK_TOOL_PALETTE (container);
g_ptr_array_add (palette->priv->groups, info);
info->pos = palette->priv->groups->len - 1;
info->widget = g_object_ref_sink (child);
gtk_widget_set_parent (child, GTK_WIDGET (palette));
}
static void
gtk_tool_palette_remove (GtkContainer *container,
GtkWidget *child)
{
GtkToolPalette *palette;
guint i;
g_return_if_fail (GTK_IS_TOOL_PALETTE (container));
palette = GTK_TOOL_PALETTE (container);
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
if (GTK_WIDGET(info->widget) == child)
{
g_object_unref (child);
gtk_widget_unparent (child);
g_ptr_array_remove_index (palette->priv->groups, i);
}
}
}
static void
gtk_tool_palette_forall (GtkContainer *container,
gboolean internals,
GtkCallback callback,
gpointer callback_data)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
guint i, len;
for (i = 0; i < palette->priv->groups->len; ++i)
{
GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
len = palette->priv->groups->len;
if (info->widget)
callback (GTK_WIDGET (info->widget),
callback_data);
/* At destroy time, 'callback' results in removing a widget,
* here we just reset the current index to account for the removed widget. */
i -= (len - palette->priv->groups->len);
}
}
static GType
gtk_tool_palette_child_type (GtkContainer *container)
{
return GTK_TYPE_TOOL_ITEM_GROUP;
}
static void
gtk_tool_palette_set_child_property (GtkContainer *container,
GtkWidget *child,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
switch (prop_id)
{
case CHILD_PROP_EXCLUSIVE:
gtk_tool_palette_set_exclusive (palette, GTK_TOOL_ITEM_GROUP (child),
g_value_get_boolean (value));
break;
case CHILD_PROP_EXPAND:
gtk_tool_palette_set_expand (palette, GTK_TOOL_ITEM_GROUP (child),
g_value_get_boolean (value));
break;
default:
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
break;
}
}
static void
gtk_tool_palette_get_child_property (GtkContainer *container,
GtkWidget *child,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
switch (prop_id)
{
case CHILD_PROP_EXCLUSIVE:
g_value_set_boolean (value,
gtk_tool_palette_get_exclusive (palette, GTK_TOOL_ITEM_GROUP (child)));
break;
case CHILD_PROP_EXPAND:
g_value_set_boolean (value,
gtk_tool_palette_get_expand (palette, GTK_TOOL_ITEM_GROUP (child)));
break;
default:
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
break;
}
}
static void
style_change_notify (GtkToolPalette *palette)
{
GtkToolPalettePrivate* priv = palette->priv;
if (!priv->style_set)
{
/* pretend it was set, then unset, thus reverting to new default */
priv->style_set = TRUE;
gtk_tool_palette_unset_style (palette);
}
}
static void
icon_size_change_notify (GtkToolPalette *palette)
{
GtkToolPalettePrivate* priv = palette->priv;
if (!priv->icon_size_set)
{
/* pretend it was set, then unset, thus reverting to new default */
priv->icon_size_set = TRUE;
gtk_tool_palette_unset_icon_size (palette);
}
}
static void
gtk_tool_palette_settings_change_notify (GtkSettings *settings,
const GParamSpec *pspec,
GtkToolPalette *palette)
{
if (strcmp (pspec->name, "gtk-toolbar-style") == 0)
style_change_notify (palette);
else if (strcmp (pspec->name, "gtk-toolbar-icon-size") == 0)
icon_size_change_notify (palette);
}
static void
gtk_tool_palette_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen)
{
GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
GtkToolPalettePrivate* priv = palette->priv;
GtkSettings *old_settings = priv->settings;
GtkSettings *settings;
if (gtk_widget_has_screen (GTK_WIDGET (palette)))
settings = gtk_widget_get_settings (GTK_WIDGET (palette));
else
settings = NULL;
if (settings == old_settings)
return;
if (old_settings)
{
g_signal_handler_disconnect (old_settings, priv->settings_connection);
g_object_unref (old_settings);
}
if (settings)
{
priv->settings_connection =
g_signal_connect (settings, "notify",
G_CALLBACK (gtk_tool_palette_settings_change_notify),
palette);
priv->settings = g_object_ref (settings);
}
else
priv->settings = NULL;
gtk_tool_palette_reconfigured (palette);
}
static void
gtk_tool_palette_class_init (GtkToolPaletteClass *cls)
{
GObjectClass *oclass = G_OBJECT_CLASS (cls);
GtkWidgetClass *wclass = GTK_WIDGET_CLASS (cls);
GtkContainerClass *cclass = GTK_CONTAINER_CLASS (cls);
oclass->set_property = gtk_tool_palette_set_property;
oclass->get_property = gtk_tool_palette_get_property;
oclass->dispose = gtk_tool_palette_dispose;
oclass->finalize = gtk_tool_palette_finalize;
wclass->get_preferred_width = gtk_tool_palette_get_preferred_width;
wclass->get_preferred_height= gtk_tool_palette_get_preferred_height;
wclass->size_allocate = gtk_tool_palette_size_allocate;
wclass->realize = gtk_tool_palette_realize;
cclass->add = gtk_tool_palette_add;
cclass->remove = gtk_tool_palette_remove;
cclass->forall = gtk_tool_palette_forall;
cclass->child_type = gtk_tool_palette_child_type;
cclass->set_child_property = gtk_tool_palette_set_child_property;
cclass->get_child_property = gtk_tool_palette_get_child_property;
/* Handle screen-changed so we can update our GtkSettings.
*/
wclass->screen_changed = gtk_tool_palette_screen_changed;
g_object_class_override_property (oclass, PROP_ORIENTATION, "orientation");
g_object_class_override_property (oclass, PROP_HADJUSTMENT, "hadjustment");
g_object_class_override_property (oclass, PROP_VADJUSTMENT, "vadjustment");
g_object_class_override_property (oclass, PROP_HSCROLL_POLICY, "hscroll-policy");
g_object_class_override_property (oclass, PROP_VSCROLL_POLICY, "vscroll-policy");
/**
* GtkToolPalette:icon-size:
*
* The size of the icons in a tool palette is normally determined by
* the #GtkSettings:toolbar-icon-size setting. When this property is set,
* it overrides the setting.
*
* This should only be used for special-purpose tool palettes, normal
* application tool palettes should respect the user preferences for the