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Split GtkWindowGroup into its own file

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gtkwindow.c is too big and too messy. This is a small step
towards making it better.
This commit is contained in:
Matthias Clasen 2014-06-04 06:18:03 -04:00
parent d467850af0
commit 872fbfacd3
12 changed files with 507 additions and 411 deletions
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4
gtk/Makefile.am
View File

@ -471,7 +471,8 @@ gtk_public_h_sources = \
gtkvolumebutton.h \ gtkvolumebutton.h \
gtkwidget.h \ gtkwidget.h \
gtkwidgetpath.h \ gtkwidgetpath.h \
gtkwindow.h gtkwindow.h \
gtkwindowgroup.h
if OS_UNIX if OS_UNIX
gtk_unix_print_public_h_sources = \ gtk_unix_print_public_h_sources = \
@ -1075,6 +1076,7 @@ gtk_base_c_sources = \
gtkwidget.c \ gtkwidget.c \
gtkwidgetpath.c \ gtkwidgetpath.c \
gtkwindow.c \ gtkwindow.c \
gtkwindowgroup.c \
gtkwin32theme.c \ gtkwin32theme.c \
$(gtk_clipboard_dnd_c_sources) $(gtk_clipboard_dnd_c_sources)

1
gtk/gtk.h
View File

@ -229,6 +229,7 @@
#include <gtk/gtkwidget.h> #include <gtk/gtkwidget.h>
#include <gtk/gtkwidgetpath.h> #include <gtk/gtkwidgetpath.h>
#include <gtk/gtkwindow.h> #include <gtk/gtkwindow.h>
#include <gtk/gtkwindowgroup.h>
#ifndef GTK_DISABLE_DEPRECATED #ifndef GTK_DISABLE_DEPRECATED
#include <gtk/deprecated/gtkarrow.h> #include <gtk/deprecated/gtkarrow.h>

1
gtk/gtkentrycompletion.c
View File

@ -79,6 +79,7 @@
#include "gtksizerequest.h" #include "gtksizerequest.h"
#include "gtkbox.h" #include "gtkbox.h"
#include "gtkwindow.h" #include "gtkwindow.h"
#include "gtkwindowgroup.h"
#include "gtkentry.h" #include "gtkentry.h"
#include "gtkmain.h" #include "gtkmain.h"
#include "gtkmarshalers.h" #include "gtkmarshalers.h"

1
gtk/gtkfilechooserwidget.c
View File

@ -76,6 +76,7 @@
#include "gtktreeselection.h" #include "gtktreeselection.h"
#include "gtkbox.h" #include "gtkbox.h"
#include "gtkorientable.h" #include "gtkorientable.h"
#include "gtkwindowgroup.h"
#include "gtkintl.h" #include "gtkintl.h"
#include <cairo-gobject.h> #include <cairo-gobject.h>

1
gtk/gtkmain.c
View File

@ -127,6 +127,7 @@
#include "gtkversion.h" #include "gtkversion.h"
#include "gtkwidgetprivate.h" #include "gtkwidgetprivate.h"
#include "gtkwindowprivate.h" #include "gtkwindowprivate.h"
#include "gtkwindowgroup.h"
#include "a11y/gtkaccessibility.h" #include "a11y/gtkaccessibility.h"

1
gtk/gtkprintoperation.c
View File

@ -30,6 +30,7 @@
#include "gtkintl.h" #include "gtkintl.h"
#include "gtkprivate.h" #include "gtkprivate.h"
#include "gtkmessagedialog.h" #include "gtkmessagedialog.h"
#include "gtkwindowgroup.h"
#include "gtktypebuiltins.h" #include "gtktypebuiltins.h"
/** /**

1
gtk/gtkrecentchooserdefault.c
View File

@ -60,6 +60,7 @@
#include "gtktooltip.h" #include "gtktooltip.h"
#include "gtktypebuiltins.h" #include "gtktypebuiltins.h"
#include "gtkorientable.h" #include "gtkorientable.h"
#include "gtkwindowgroup.h"
#include "deprecated/gtkactivatable.h" #include "deprecated/gtkactivatable.h"
#include "gtkrecentmanager.h" #include "gtkrecentmanager.h"

369
gtk/gtkwindow.c
View File

@ -120,7 +120,6 @@
#define MNEMONICS_DELAY 300 /* ms */ #define MNEMONICS_DELAY 300 /* ms */
typedef struct _GtkDeviceGrabInfo GtkDeviceGrabInfo;
typedef struct _GtkWindowPopover GtkWindowPopover; typedef struct _GtkWindowPopover GtkWindowPopover;
struct _GtkWindowPopover struct _GtkWindowPopover
@ -372,19 +371,6 @@ struct _GtkWindowGeometryInfo
}; };
struct _GtkDeviceGrabInfo
{
GtkWidget *widget;
GdkDevice *device;
guint block_others : 1;
};
struct _GtkWindowGroupPrivate
{
GSList *grabs;
GSList *device_grabs;
};
static GObject *gtk_window_constructor (GType type, static GObject *gtk_window_constructor (GType type,
guint n_params, guint n_params,
GObjectConstructParam *params); GObjectConstructParam *params);
@ -10645,190 +10631,6 @@ gtk_window_has_toplevel_focus (GtkWindow *window)
return window->priv->has_toplevel_focus; return window->priv->has_toplevel_focus;
} }
/**
* SECTION:gtkwindowgroup
* @Short_description: Limit the effect of grabs
* @Title: GtkWindowGroup
*
* #GtkWindowGroup objects are referenced by each window in the group,
* so once you have added all windows to a #GtkWindowGroup, you can drop
* the initial reference to the window group with g_object_unref(). If the
* windows in the window group are subsequently destroyed, then they will
* be removed from the window group and drop their references on the window
* group; when all window have been removed, the window group will be
* freed.
*/
G_DEFINE_TYPE_WITH_PRIVATE (GtkWindowGroup, gtk_window_group, G_TYPE_OBJECT)
static void
gtk_window_group_init (GtkWindowGroup *group)
{
group->priv = gtk_window_group_get_instance_private (group);
}
static void
gtk_window_group_class_init (GtkWindowGroupClass *klass)
{
}
/**
* gtk_window_group_new:
*
* Creates a new #GtkWindowGroup object. Grabs added with
* gtk_grab_add() only affect windows within the same #GtkWindowGroup.
*
* Returns: a new #GtkWindowGroup.
**/
GtkWindowGroup *
gtk_window_group_new (void)
{
return g_object_new (GTK_TYPE_WINDOW_GROUP, NULL);
}
static void
window_group_cleanup_grabs (GtkWindowGroup *group,
GtkWindow *window)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GSList *tmp_list;
GSList *to_remove = NULL;
priv = group->priv;
tmp_list = priv->grabs;
while (tmp_list)
{
if (gtk_widget_get_toplevel (tmp_list->data) == (GtkWidget*) window)
to_remove = g_slist_prepend (to_remove, g_object_ref (tmp_list->data));
tmp_list = tmp_list->next;
}
while (to_remove)
{
gtk_grab_remove (to_remove->data);
g_object_unref (to_remove->data);
to_remove = g_slist_delete_link (to_remove, to_remove);
}
tmp_list = priv->device_grabs;
while (tmp_list)
{
info = tmp_list->data;
if (gtk_widget_get_toplevel (info->widget) == (GtkWidget *) window)
to_remove = g_slist_prepend (to_remove, info);
tmp_list = tmp_list->next;
}
while (to_remove)
{
info = to_remove->data;
gtk_device_grab_remove (info->widget, info->device);
to_remove = g_slist_delete_link (to_remove, to_remove);
}
}
/**
* gtk_window_group_add_window:
* @window_group: a #GtkWindowGroup
* @window: the #GtkWindow to add
*
* Adds a window to a #GtkWindowGroup.
**/
void
gtk_window_group_add_window (GtkWindowGroup *window_group,
GtkWindow *window)
{
GtkWindowPrivate *priv;
g_return_if_fail (GTK_IS_WINDOW_GROUP (window_group));
g_return_if_fail (GTK_IS_WINDOW (window));
priv = window->priv;
if (priv->group != window_group)
{
g_object_ref (window);
g_object_ref (window_group);
if (priv->group)
gtk_window_group_remove_window (priv->group, window);
else
window_group_cleanup_grabs (gtk_window_get_group (NULL), window);
priv->group = window_group;
g_object_unref (window);
}
}
/**
* gtk_window_group_remove_window:
* @window_group: a #GtkWindowGroup
* @window: the #GtkWindow to remove
*
* Removes a window from a #GtkWindowGroup.
**/
void
gtk_window_group_remove_window (GtkWindowGroup *window_group,
GtkWindow *window)
{
GtkWindowPrivate *priv;
g_return_if_fail (GTK_IS_WINDOW_GROUP (window_group));
g_return_if_fail (GTK_IS_WINDOW (window));
priv = window->priv;
g_return_if_fail (priv->group == window_group);
g_object_ref (window);
window_group_cleanup_grabs (window_group, window);
priv->group = NULL;
g_object_unref (window_group);
g_object_unref (window);
}
/**
* gtk_window_group_list_windows:
* @window_group: a #GtkWindowGroup
*
* Returns a list of the #GtkWindows that belong to @window_group.
*
* Returns: (element-type GtkWindow) (transfer container): A
* newly-allocated list of windows inside the group.
*
* Since: 2.14
**/
GList *
gtk_window_group_list_windows (GtkWindowGroup *window_group)
{
GList *toplevels, *toplevel, *group_windows;
g_return_val_if_fail (GTK_IS_WINDOW_GROUP (window_group), NULL);
group_windows = NULL;
toplevels = gtk_window_list_toplevels ();
for (toplevel = toplevels; toplevel; toplevel = toplevel->next)
{
GtkWindow *window = toplevel->data;
if (window_group == window->priv->group)
group_windows = g_list_prepend (group_windows, window);
}
g_list_free (toplevels);
return g_list_reverse (group_windows);
}
/** /**
* gtk_window_get_group: * gtk_window_get_group:
* @window: (allow-none): a #GtkWindow, or %NULL * @window: (allow-none): a #GtkWindow, or %NULL
@ -10875,176 +10677,17 @@ gtk_window_has_group (GtkWindow *window)
return window->priv->group != NULL; return window->priv->group != NULL;
} }
/** GtkWindowGroup *
* gtk_window_group_get_current_grab: _gtk_window_get_window_group (GtkWindow *window)
* @window_group: a #GtkWindowGroup
*
* Gets the current grab widget of the given group,
* see gtk_grab_add().
*
* Returns: (transfer none): the current grab widget of the group
*
* Since: 2.22
*/
GtkWidget *
gtk_window_group_get_current_grab (GtkWindowGroup *window_group)
{ {
g_return_val_if_fail (GTK_IS_WINDOW_GROUP (window_group), NULL); return window->priv->group;
if (window_group->priv->grabs)
return GTK_WIDGET (window_group->priv->grabs->data);
return NULL;
} }
void void
_gtk_window_group_add_grab (GtkWindowGroup *window_group, _gtk_window_set_window_group (GtkWindow *window,
GtkWidget *widget) GtkWindowGroup *group)
{ {
GtkWindowGroupPrivate *priv; window->priv->group = group;
priv = window_group->priv;
priv->grabs = g_slist_prepend (priv->grabs, widget);
}
void
_gtk_window_group_remove_grab (GtkWindowGroup *window_group,
GtkWidget *widget)
{
GtkWindowGroupPrivate *priv;
priv = window_group->priv;
priv->grabs = g_slist_remove (priv->grabs, widget);
}
void
_gtk_window_group_add_device_grab (GtkWindowGroup *window_group,
GtkWidget *widget,
GdkDevice *device,
gboolean block_others)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
priv = window_group->priv;
info = g_slice_new0 (GtkDeviceGrabInfo);
info->widget = widget;
info->device = device;
info->block_others = block_others;
priv->device_grabs = g_slist_prepend (priv->device_grabs, info);
}
void
_gtk_window_group_remove_device_grab (GtkWindowGroup *window_group,
GtkWidget *widget,
GdkDevice *device)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GSList *list, *node = NULL;
GdkDevice *other_device;
priv = window_group->priv;
other_device = gdk_device_get_associated_device (device);
list = priv->device_grabs;
while (list)
{
info = list->data;
if (info->widget == widget &&
(info->device == device ||
info->device == other_device))
{
node = list;
break;
}
list = list->next;
}
if (node)
{
info = node->data;
priv->device_grabs = g_slist_delete_link (priv->device_grabs, node);
g_slice_free (GtkDeviceGrabInfo, info);
}
}
/**
* gtk_window_group_get_current_device_grab:
* @window_group: a #GtkWindowGroup
* @device: a #GdkDevice
*
* Returns the current grab widget for @device, or %NULL if none.
*
* Returns: (transfer none): The grab widget, or %NULL
*
* Since: 3.0
*/
GtkWidget *
gtk_window_group_get_current_device_grab (GtkWindowGroup *window_group,
GdkDevice *device)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GdkDevice *other_device;
GSList *list;
g_return_val_if_fail (GTK_IS_WINDOW_GROUP (window_group), NULL);
g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
priv = window_group->priv;
list = priv->device_grabs;
other_device = gdk_device_get_associated_device (device);
while (list)
{
info = list->data;
list = list->next;
if (info->device == device ||
info->device == other_device)
return info->widget;
}
return NULL;
}
gboolean
_gtk_window_group_widget_is_blocked_for_device (GtkWindowGroup *window_group,
GtkWidget *widget,
GdkDevice *device)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GdkDevice *other_device;
GSList *list;
priv = window_group->priv;
other_device = gdk_device_get_associated_device (device);
list = priv->device_grabs;
while (list)
{
info = list->data;
list = list->next;
/* Look for blocking grabs on other device pairs
* that have the passed widget within the GTK+ grab.
*/
if (info->block_others &&
info->device != device &&
info->device != other_device &&
(info->widget == widget ||
gtk_widget_is_ancestor (widget, info->widget)))
return TRUE;
}
return FALSE;
} }
/* /*

47
gtk/gtkwindow.h
View File

@ -90,32 +90,6 @@ struct _GtkWindowClass
void (*_gtk_reserved3) (void); void (*_gtk_reserved3) (void);
}; };
#define GTK_TYPE_WINDOW_GROUP (gtk_window_group_get_type ())
#define GTK_WINDOW_GROUP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_WINDOW_GROUP, GtkWindowGroup))
#define GTK_WINDOW_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WINDOW_GROUP, GtkWindowGroupClass))
#define GTK_IS_WINDOW_GROUP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_WINDOW_GROUP))
#define GTK_IS_WINDOW_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WINDOW_GROUP))
#define GTK_WINDOW_GROUP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WINDOW_GROUP, GtkWindowGroupClass))
struct _GtkWindowGroup
{
GObject parent_instance;
GtkWindowGroupPrivate *priv;
};
struct _GtkWindowGroupClass
{
GObjectClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
/** /**
* GtkWindowType: * GtkWindowType:
* @GTK_WINDOW_TOPLEVEL: A regular window, such as a dialog. * @GTK_WINDOW_TOPLEVEL: A regular window, such as a dialog.
@ -483,27 +457,6 @@ void gtk_window_reshow_with_initial_size (GtkWindow *window);
GDK_AVAILABLE_IN_ALL GDK_AVAILABLE_IN_ALL
GtkWindowType gtk_window_get_window_type (GtkWindow *window); GtkWindowType gtk_window_get_window_type (GtkWindow *window);
/* Window groups
*/
GDK_AVAILABLE_IN_ALL
GType gtk_window_group_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWindowGroup * gtk_window_group_new (void);
GDK_AVAILABLE_IN_ALL
void gtk_window_group_add_window (GtkWindowGroup *window_group,
GtkWindow *window);
GDK_AVAILABLE_IN_ALL
void gtk_window_group_remove_window (GtkWindowGroup *window_group,
GtkWindow *window);
GDK_AVAILABLE_IN_ALL
GList * gtk_window_group_list_windows (GtkWindowGroup *window_group);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_window_group_get_current_grab (GtkWindowGroup *window_group);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_window_group_get_current_device_grab (GtkWindowGroup *window_group,
GdkDevice *device);
GDK_AVAILABLE_IN_ALL GDK_AVAILABLE_IN_ALL
GtkApplication *gtk_window_get_application (GtkWindow *window); GtkApplication *gtk_window_get_application (GtkWindow *window);

396
gtk/gtkwindowgroup.c Normal file
View File

@ -0,0 +1,396 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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 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, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include "gtkmain.h"
#include "gtkwindowprivate.h"
#include "gtkwindowgroup.h"
/**
* SECTION:gtkwindowgroup
* @Short_description: Limit the effect of grabs
* @Title: GtkWindowGroup
*
* #GtkWindowGroup objects are referenced by each window in the group,
* so once you have added all windows to a #GtkWindowGroup, you can drop
* the initial reference to the window group with g_object_unref(). If the
* windows in the window group are subsequently destroyed, then they will
* be removed from the window group and drop their references on the window
* group; when all window have been removed, the window group will be
* freed.
*/
typedef struct _GtkDeviceGrabInfo GtkDeviceGrabInfo;
struct _GtkDeviceGrabInfo
{
GtkWidget *widget;
GdkDevice *device;
guint block_others : 1;
};
struct _GtkWindowGroupPrivate
{
GSList *grabs;
GSList *device_grabs;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkWindowGroup, gtk_window_group, G_TYPE_OBJECT)
static void
gtk_window_group_init (GtkWindowGroup *group)
{
group->priv = gtk_window_group_get_instance_private (group);
}
static void
gtk_window_group_class_init (GtkWindowGroupClass *klass)
{
}
/**
* gtk_window_group_new:
*
* Creates a new #GtkWindowGroup object. Grabs added with
* gtk_grab_add() only affect windows within the same #GtkWindowGroup.
*
* Returns: a new #GtkWindowGroup.
**/
GtkWindowGroup *
gtk_window_group_new (void)
{
return g_object_new (GTK_TYPE_WINDOW_GROUP, NULL);
}
static void
window_group_cleanup_grabs (GtkWindowGroup *group,
GtkWindow *window)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GSList *tmp_list;
GSList *to_remove = NULL;
priv = group->priv;
tmp_list = priv->grabs;
while (tmp_list)
{
if (gtk_widget_get_toplevel (tmp_list->data) == (GtkWidget*) window)
to_remove = g_slist_prepend (to_remove, g_object_ref (tmp_list->data));
tmp_list = tmp_list->next;
}
while (to_remove)
{
gtk_grab_remove (to_remove->data);
g_object_unref (to_remove->data);
to_remove = g_slist_delete_link (to_remove, to_remove);
}
tmp_list = priv->device_grabs;
while (tmp_list)
{
info = tmp_list->data;
if (gtk_widget_get_toplevel (info->widget) == (GtkWidget *) window)
to_remove = g_slist_prepend (to_remove, info);
tmp_list = tmp_list->next;
}
while (to_remove)
{
info = to_remove->data;
gtk_device_grab_remove (info->widget, info->device);
to_remove = g_slist_delete_link (to_remove, to_remove);
}
}
/**
* gtk_window_group_add_window:
* @window_group: a #GtkWindowGroup
* @window: the #GtkWindow to add
*
* Adds a window to a #GtkWindowGroup.
**/
void
gtk_window_group_add_window (GtkWindowGroup *window_group,
GtkWindow *window)
{
GtkWindowGroup *old_group;
g_return_if_fail (GTK_IS_WINDOW_GROUP (window_group));
g_return_if_fail (GTK_IS_WINDOW (window));
old_group = _gtk_window_get_window_group (window);
if (old_group != window_group)
{
g_object_ref (window);
g_object_ref (window_group);
if (old_group)
gtk_window_group_remove_window (old_group, window);
else
window_group_cleanup_grabs (gtk_window_get_group (NULL), window);
_gtk_window_set_window_group (window, window_group);
g_object_unref (window);
}
}
/**
* gtk_window_group_remove_window:
* @window_group: a #GtkWindowGroup
* @window: the #GtkWindow to remove
*
* Removes a window from a #GtkWindowGroup.
**/
void
gtk_window_group_remove_window (GtkWindowGroup *window_group,
GtkWindow *window)
{
g_return_if_fail (GTK_IS_WINDOW_GROUP (window_group));
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (_gtk_window_get_window_group (window) == window_group);
g_object_ref (window);
window_group_cleanup_grabs (window_group, window);
_gtk_window_set_window_group (window, NULL);
g_object_unref (window_group);
g_object_unref (window);
}
/**
* gtk_window_group_list_windows:
* @window_group: a #GtkWindowGroup
*
* Returns a list of the #GtkWindows that belong to @window_group.
*
* Returns: (element-type GtkWindow) (transfer container): A
* newly-allocated list of windows inside the group.
*
* Since: 2.14
**/
GList *
gtk_window_group_list_windows (GtkWindowGroup *window_group)
{
GList *toplevels, *toplevel, *group_windows;
g_return_val_if_fail (GTK_IS_WINDOW_GROUP (window_group), NULL);
group_windows = NULL;
toplevels = gtk_window_list_toplevels ();
for (toplevel = toplevels; toplevel; toplevel = toplevel->next)
{
GtkWindow *window = toplevel->data;
if (window_group == _gtk_window_get_window_group (window))
group_windows = g_list_prepend (group_windows, window);
}
g_list_free (toplevels);
return g_list_reverse (group_windows);
}
/**
* gtk_window_group_get_current_grab:
* @window_group: a #GtkWindowGroup
*
* Gets the current grab widget of the given group,
* see gtk_grab_add().
*
* Returns: (transfer none): the current grab widget of the group
*
* Since: 2.22
*/
GtkWidget *
gtk_window_group_get_current_grab (GtkWindowGroup *window_group)
{
g_return_val_if_fail (GTK_IS_WINDOW_GROUP (window_group), NULL);
if (window_group->priv->grabs)
return GTK_WIDGET (window_group->priv->grabs->data);
return NULL;
}
void
_gtk_window_group_add_grab (GtkWindowGroup *window_group,
GtkWidget *widget)
{
GtkWindowGroupPrivate *priv;
priv = window_group->priv;
priv->grabs = g_slist_prepend (priv->grabs, widget);
}
void
_gtk_window_group_remove_grab (GtkWindowGroup *window_group,
GtkWidget *widget)
{
GtkWindowGroupPrivate *priv;
priv = window_group->priv;
priv->grabs = g_slist_remove (priv->grabs, widget);
}
void
_gtk_window_group_add_device_grab (GtkWindowGroup *window_group,
GtkWidget *widget,
GdkDevice *device,
gboolean block_others)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
priv = window_group->priv;
info = g_slice_new0 (GtkDeviceGrabInfo);
info->widget = widget;
info->device = device;
info->block_others = block_others;
priv->device_grabs = g_slist_prepend (priv->device_grabs, info);
}
void
_gtk_window_group_remove_device_grab (GtkWindowGroup *window_group,
GtkWidget *widget,
GdkDevice *device)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GSList *list, *node = NULL;
GdkDevice *other_device;
priv = window_group->priv;
other_device = gdk_device_get_associated_device (device);
list = priv->device_grabs;
while (list)
{
info = list->data;
if (info->widget == widget &&
(info->device == device ||
info->device == other_device))
{
node = list;
break;
}
list = list->next;
}
if (node)
{
info = node->data;
priv->device_grabs = g_slist_delete_link (priv->device_grabs, node);
g_slice_free (GtkDeviceGrabInfo, info);
}
}
/**
* gtk_window_group_get_current_device_grab:
* @window_group: a #GtkWindowGroup
* @device: a #GdkDevice
*
* Returns the current grab widget for @device, or %NULL if none.
*
* Returns: (transfer none): The grab widget, or %NULL
*
* Since: 3.0
*/
GtkWidget *
gtk_window_group_get_current_device_grab (GtkWindowGroup *window_group,
GdkDevice *device)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GdkDevice *other_device;
GSList *list;
g_return_val_if_fail (GTK_IS_WINDOW_GROUP (window_group), NULL);
g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
priv = window_group->priv;
list = priv->device_grabs;
other_device = gdk_device_get_associated_device (device);
while (list)
{
info = list->data;
list = list->next;
if (info->device == device ||
info->device == other_device)
return info->widget;
}
return NULL;
}
gboolean
_gtk_window_group_widget_is_blocked_for_device (GtkWindowGroup *window_group,
GtkWidget *widget,
GdkDevice *device)
{
GtkWindowGroupPrivate *priv;
GtkDeviceGrabInfo *info;
GdkDevice *other_device;
GSList *list;
priv = window_group->priv;
other_device = gdk_device_get_associated_device (device);
list = priv->device_grabs;
while (list)
{
info = list->data;
list = list->next;
/* Look for blocking grabs on other device pairs
* that have the passed widget within the GTK+ grab.
*/
if (info->block_others &&
info->device != device &&
info->device != other_device &&
(info->widget == widget ||
gtk_widget_is_ancestor (widget, info->widget)))
return TRUE;
}
return FALSE;
}

89
gtk/gtkwindowgroup.h Normal file
View File

@ -0,0 +1,89 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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 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, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_WINDOW_GROUP_H__
#define __GTK_WINDOW_GROUP_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include "gtkwindow.h"
G_BEGIN_DECLS
#define GTK_TYPE_WINDOW_GROUP (gtk_window_group_get_type ())
#define GTK_WINDOW_GROUP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GTK_TYPE_WINDOW_GROUP, GtkWindowGroup))
#define GTK_WINDOW_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WINDOW_GROUP, GtkWindowGroupClass))
#define GTK_IS_WINDOW_GROUP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GTK_TYPE_WINDOW_GROUP))
#define GTK_IS_WINDOW_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WINDOW_GROUP))
#define GTK_WINDOW_GROUP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WINDOW_GROUP, GtkWindowGroupClass))
struct _GtkWindowGroup
{
GObject parent_instance;
GtkWindowGroupPrivate *priv;
};
struct _GtkWindowGroupClass
{
GObjectClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
/* Window groups
*/
GDK_AVAILABLE_IN_ALL
GType gtk_window_group_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWindowGroup * gtk_window_group_new (void);
GDK_AVAILABLE_IN_ALL
void gtk_window_group_add_window (GtkWindowGroup *window_group,
GtkWindow *window);
GDK_AVAILABLE_IN_ALL
void gtk_window_group_remove_window (GtkWindowGroup *window_group,
GtkWindow *window);
GDK_AVAILABLE_IN_ALL
GList * gtk_window_group_list_windows (GtkWindowGroup *window_group);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_window_group_get_current_grab (GtkWindowGroup *window_group);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_window_group_get_current_device_grab (GtkWindowGroup *window_group,
GdkDevice *device);
G_END_DECLS
#endif /* __GTK_WINDOW_GROUP_H__ */

7
gtk/gtkwindowprivate.h
View File

@ -93,6 +93,13 @@ void _gtk_window_get_shadow_width (GtkWindow *window,
void _gtk_window_toggle_maximized (GtkWindow *window); void _gtk_window_toggle_maximized (GtkWindow *window);
/* Window groups */
GtkWindowGroup *_gtk_window_get_window_group (GtkWindow *window);
void _gtk_window_set_window_group (GtkWindow *window,
GtkWindowGroup *group);
/* Popovers */ /* Popovers */
void _gtk_window_add_popover (GtkWindow *window, void _gtk_window_add_popover (GtkWindow *window,
GtkWidget *popover); GtkWidget *popover);