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gtkclipboard-quartz-jc.patch
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gtkclipboard-quartz-jc.patch
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--- gtk/gtkclipboard-quartz.c.orig 2014-05-01 22:14:13.000000000 +0800
+++ gtk/gtkclipboard-quartz.c 2014-03-06 12:56:42.000000000 +0800
@@ -1,7 +1,6 @@
/* GTK - The GIMP Toolkit
* Copyright (C) 2000 Red Hat, Inc.
* Copyright (C) 2004 Nokia Corporation
- * Copyright (C) 2006-2008 Imendio AB
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -18,52 +17,54 @@
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
+ * Global clipboard abstraction.
*/
#include "config.h"
#include <string.h>
-#import <Cocoa/Cocoa.h>
-
#include "gtkclipboard.h"
#include "gtkinvisible.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
+#include "gtktextbufferrichtext.h"
#include "gtkintl.h"
-#include "gtktextbuffer.h"
-#include "gtkquartz.h"
#include "gtkalias.h"
+#ifdef GDK_WINDOWING_X11
+#include "x11/gdkx.h"
+#endif
+
+#ifdef GDK_WINDOWING_WIN32
+#include "win32/gdkwin32.h"
+#endif
+
enum {
OWNER_CHANGE,
LAST_SIGNAL
};
-@interface GtkClipboardOwner : NSObject {
- GtkClipboard *clipboard;
- @public
- gboolean setting_same_owner;
-}
-
-@end
-
typedef struct _GtkClipboardClass GtkClipboardClass;
+typedef struct _RequestContentsInfo RequestContentsInfo;
+typedef struct _RequestTextInfo RequestTextInfo;
+typedef struct _RequestRichTextInfo RequestRichTextInfo;
+typedef struct _RequestImageInfo RequestImageInfo;
+typedef struct _RequestURIInfo RequestURIInfo;
+typedef struct _RequestTargetsInfo RequestTargetsInfo;
+
struct _GtkClipboard
{
GObject parent_instance;
- NSPasteboard *pasteboard;
- GtkClipboardOwner *owner;
- NSInteger change_count;
-
GdkAtom selection;
GtkClipboardGetFunc get_func;
GtkClipboardClearFunc clear_func;
gpointer user_data;
gboolean have_owner;
- GtkTargetList *target_list;
+
+ guint32 timestamp;
gboolean have_selection;
GdkDisplay *display;
@@ -87,105 +88,81 @@ struct _GtkClipboardClass
GdkEventOwnerChange *event);
};
-static void gtk_clipboard_class_init (GtkClipboardClass *class);
-static void gtk_clipboard_finalize (GObject *object);
-static void gtk_clipboard_owner_change (GtkClipboard *clipboard,
- GdkEventOwnerChange *event);
-
-static void clipboard_unset (GtkClipboard *clipboard);
-static GtkClipboard *clipboard_peek (GdkDisplay *display,
- GdkAtom selection,
- gboolean only_if_exists);
-
-@implementation GtkClipboardOwner
--(void)pasteboard:(NSPasteboard *)sender provideDataForType:(NSString *)type
+struct _RequestContentsInfo
{
- GtkSelectionData selection_data;
- guint info;
-
- if (!clipboard->target_list)
- return;
-
- memset (&selection_data, 0, sizeof (GtkSelectionData));
-
- selection_data.selection = clipboard->selection;
- selection_data.target = gdk_quartz_pasteboard_type_to_atom_libgtk_only (type);
- selection_data.display = gdk_display_get_default ();
- selection_data.length = -1;
+ GtkClipboardReceivedFunc callback;
+ gpointer user_data;
+};
- if (gtk_target_list_find (clipboard->target_list, selection_data.target, &info))
- {
- clipboard->get_func (clipboard, &selection_data,
- info,
- clipboard->user_data);
+struct _RequestTextInfo
+{
+ GtkClipboardTextReceivedFunc callback;
+ gpointer user_data;
+};
- if (selection_data.length >= 0)
- _gtk_quartz_set_selection_data_for_pasteboard (clipboard->pasteboard,
- &selection_data);
+struct _RequestRichTextInfo
+{
+ GtkClipboardRichTextReceivedFunc callback;
+ GdkAtom *atoms;
+ gint n_atoms;
+ gint current_atom;
+ gpointer user_data;
+};
- g_free (selection_data.data);
- }
-}
+struct _RequestImageInfo
+{
+ GtkClipboardImageReceivedFunc callback;
+ gpointer user_data;
+};
-/* pasteboardChangedOwner is not called immediately, and it's not called
- * reliably. It is somehow documented in the apple api docs, but the docs
- * suck and don't really give clear instructions. Therefore we track
- * changeCount in several places below and clear the clipboard if it
- * changed.
- */
-- (void)pasteboardChangedOwner:(NSPasteboard *)sender
+struct _RequestURIInfo
{
- if (! setting_same_owner)
- clipboard_unset (clipboard);
-}
+ GtkClipboardURIReceivedFunc callback;
+ gpointer user_data;
+};
-- (id)initWithClipboard:(GtkClipboard *)aClipboard
+struct _RequestTargetsInfo
{
- self = [super init];
+ GtkClipboardTargetsReceivedFunc callback;
+ gpointer user_data;
+};
- if (self)
- {
- clipboard = aClipboard;
- setting_same_owner = FALSE;
- }
+static void gtk_clipboard_class_init (GtkClipboardClass *class);
+static void gtk_clipboard_finalize (GObject *object);
+static void gtk_clipboard_owner_change (GtkClipboard *clipboard,
+ GdkEventOwnerChange *event);
- return self;
-}
+static void clipboard_unset (GtkClipboard *clipboard);
+static void selection_received (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint time);
+static GtkClipboard *clipboard_peek (GdkDisplay *display,
+ GdkAtom selection,
+ gboolean only_if_exists);
+static GtkWidget * get_clipboard_widget (GdkDisplay *display);
-@end
+enum {
+ TARGET_STRING,
+ TARGET_TEXT,
+ TARGET_COMPOUND_TEXT,
+ TARGET_UTF8_STRING,
+ TARGET_SAVE_TARGETS
+};
+
+static const gchar request_contents_key[] = "gtk-request-contents";
+static GQuark request_contents_key_id = 0;
static const gchar clipboards_owned_key[] = "gtk-clipboards-owned";
static GQuark clipboards_owned_key_id = 0;
-static GObjectClass *parent_class;
static guint clipboard_signals[LAST_SIGNAL] = { 0 };
-GType
-gtk_clipboard_get_type (void)
+G_DEFINE_TYPE (GtkClipboard, gtk_clipboard, G_TYPE_OBJECT)
+
+static void
+gtk_clipboard_init (GtkClipboard *object)
{
- static GType clipboard_type = 0;
-
- if (!clipboard_type)
- {
- const GTypeInfo clipboard_info =
- {
- sizeof (GtkClipboardClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_clipboard_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GtkClipboard),
- 0, /* n_preallocs */
- (GInstanceInitFunc) NULL,
- };
-
- clipboard_type = g_type_register_static (G_TYPE_OBJECT, I_("GtkClipboard"),
- &clipboard_info, 0);
- }
-
- return clipboard_type;
}
static void
@@ -193,12 +170,21 @@ gtk_clipboard_class_init (GtkClipboardCl
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
- parent_class = g_type_class_peek_parent (class);
-
gobject_class->finalize = gtk_clipboard_finalize;
class->owner_change = gtk_clipboard_owner_change;
+ /**
+ * GtkClipboard::owner-change:
+ * @clipboard: the #GtkClipboard on which the signal is emitted
+ * @event: the @GdkEventOwnerChange event
+ *
+ * The ::owner-change signal is emitted when GTK+ receives an
+ * event that indicates that the ownership of the selection
+ * associated with @clipboard has changed.
+ *
+ * Since: 2.6
+ */
clipboard_signals[OWNER_CHANGE] =
g_signal_new (I_("owner-change"),
G_TYPE_FROM_CLASS (gobject_class),
@@ -214,19 +200,31 @@ static void
gtk_clipboard_finalize (GObject *object)
{
GtkClipboard *clipboard;
- GSList *clipboards;
+ GtkWidget *clipboard_widget = NULL;
+ GSList *clipboards = NULL;
clipboard = GTK_CLIPBOARD (object);
- clipboards = g_object_get_data (G_OBJECT (clipboard->display), "gtk-clipboard-list");
- if (g_slist_index (clipboards, clipboard) >= 0)
- g_warning ("GtkClipboard prematurely finalized");
+ if (clipboard->display)
+ {
+ clipboards = g_object_get_data (G_OBJECT (clipboard->display), "gtk-clipboard-list");
+
+ if (g_slist_index (clipboards, clipboard) >= 0)
+ g_warning ("GtkClipboard prematurely finalized");
+
+ clipboards = g_slist_remove (clipboards, clipboard);
+
+ g_object_set_data (G_OBJECT (clipboard->display), "gtk-clipboard-list",
+ clipboards);
+
+ /* don't use get_clipboard_widget() here because it would create the
+ * widget if it doesn't exist.
+ */
+ clipboard_widget = g_object_get_data (G_OBJECT (clipboard->display),
+ "gtk-clipboard-widget");
+ }
clipboard_unset (clipboard);
-
- clipboards = g_object_get_data (G_OBJECT (clipboard->display), "gtk-clipboard-list");
- clipboards = g_slist_remove (clipboards, clipboard);
- g_object_set_data (G_OBJECT (clipboard->display), I_("gtk-clipboard-list"), clipboards);
if (clipboard->store_loop && g_main_loop_is_running (clipboard->store_loop))
g_main_loop_quit (clipboard->store_loop);
@@ -234,9 +232,13 @@ gtk_clipboard_finalize (GObject *object)
if (clipboard->store_timeout != 0)
g_source_remove (clipboard->store_timeout);
+ if (clipboard->notify_signal_id != 0)
+ g_signal_handler_disconnect (clipboard_widget, clipboard->notify_signal_id);
+
g_free (clipboard->storable_targets);
+ g_free (clipboard->cached_targets);
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ G_OBJECT_CLASS (gtk_clipboard_parent_class)->finalize (object);
}
static void
@@ -253,22 +255,197 @@ clipboard_display_closed (GdkDisplay *
g_object_unref (clipboard);
}
+/**
+ * gtk_clipboard_get_for_display:
+ * @display: the display for which the clipboard is to be retrieved or created
+ * @selection: a #GdkAtom which identifies the clipboard
+ * to use.
+ *
+ * Returns the clipboard object for the given selection.
+ * Cut/copy/paste menu items and keyboard shortcuts should use
+ * the default clipboard, returned by passing %GDK_SELECTION_CLIPBOARD for @selection.
+ * (%GDK_NONE is supported as a synonym for GDK_SELECTION_CLIPBOARD
+ * for backwards compatibility reasons.)
+ * The currently-selected object or text should be provided on the clipboard
+ * identified by #GDK_SELECTION_PRIMARY. Cut/copy/paste menu items
+ * conceptually copy the contents of the #GDK_SELECTION_PRIMARY clipboard
+ * to the default clipboard, i.e. they copy the selection to what the
+ * user sees as the clipboard.
+ *
+ * (Passing #GDK_NONE is the same as using <literal>gdk_atom_intern
+ * ("CLIPBOARD", FALSE)</literal>. See <ulink
+ * url="http://www.freedesktop.org/Standards/clipboards-spec">
+ * http://www.freedesktop.org/Standards/clipboards-spec</ulink>
+ * for a detailed discussion of the "CLIPBOARD" vs. "PRIMARY"
+ * selections under the X window system. On Win32 the
+ * #GDK_SELECTION_PRIMARY clipboard is essentially ignored.)
+ *
+ * It's possible to have arbitrary named clipboards; if you do invent
+ * new clipboards, you should prefix the selection name with an
+ * underscore (because the ICCCM requires that nonstandard atoms are
+ * underscore-prefixed), and namespace it as well. For example,
+ * if your application called "Foo" has a special-purpose
+ * clipboard, you might call it "_FOO_SPECIAL_CLIPBOARD".
+ *
+ * Return value: (transfer none): the appropriate clipboard object. If no
+ * clipboard already exists, a new one will
+ * be created. Once a clipboard object has
+ * been created, it is persistent and, since
+ * it is owned by GTK+, must not be freed or
+ * unrefd.
+ *
+ * Since: 2.2
+ **/
GtkClipboard *
-gtk_clipboard_get_for_display (GdkDisplay *display,
+gtk_clipboard_get_for_display (GdkDisplay *display,
GdkAtom selection)
{
+ g_return_val_if_fail (display != NULL, NULL); /* See bgo#463773; this is needed because Flash Player sucks */
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
g_return_val_if_fail (!display->closed, NULL);
return clipboard_peek (display, selection, FALSE);
}
+
+/**
+ * gtk_clipboard_get:
+ * @selection: a #GdkAtom which identifies the clipboard to use
+ *
+ * Returns the clipboard object for the given selection.
+ * See gtk_clipboard_get_for_display() for complete details.
+ *
+ * Return value: (transfer none): the appropriate clipboard object. If no clipboard
+ * already exists, a new one will be created. Once a clipboard
+ * object has been created, it is persistent and, since it is
+ * owned by GTK+, must not be freed or unreffed.
+ */
GtkClipboard *
gtk_clipboard_get (GdkAtom selection)
{
return gtk_clipboard_get_for_display (gdk_display_get_default (), selection);
}
+static void
+selection_get_cb (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ GtkClipboard *clipboard = gtk_widget_get_clipboard (widget, selection_data->selection);
+
+ if (clipboard && clipboard->get_func)
+ clipboard->get_func (clipboard, selection_data, info, clipboard->user_data);
+}
+
+static gboolean
+selection_clear_event_cb (GtkWidget *widget,
+ GdkEventSelection *event)
+{
+ GtkClipboard *clipboard = gtk_widget_get_clipboard (widget, event->selection);
+
+ if (clipboard)
+ {
+ clipboard_unset (clipboard);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static GtkWidget *
+make_clipboard_widget (GdkDisplay *display,
+ gboolean provider)
+{
+ GtkWidget *widget = gtk_invisible_new_for_screen (gdk_display_get_default_screen (display));
+
+ g_signal_connect (widget, "selection-received",
+ G_CALLBACK (selection_received), NULL);
+
+ if (provider)
+ {
+ /* We need this for gdk_x11_get_server_time() */
+ gtk_widget_add_events (widget, GDK_PROPERTY_CHANGE_MASK);
+
+ g_signal_connect (widget, "selection-get",
+ G_CALLBACK (selection_get_cb), NULL);
+ g_signal_connect (widget, "selection-clear-event",
+ G_CALLBACK (selection_clear_event_cb), NULL);
+ }
+
+ return widget;
+}
+
+static GtkWidget *
+get_clipboard_widget (GdkDisplay *display)
+{
+ GtkWidget *clip_widget = g_object_get_data (G_OBJECT (display), "gtk-clipboard-widget");
+ if (!clip_widget)
+ {
+ clip_widget = make_clipboard_widget (display, TRUE);
+ g_object_set_data (G_OBJECT (display), I_("gtk-clipboard-widget"), clip_widget);
+ }
+
+ return clip_widget;
+}
+
+/* This function makes a very good guess at what the correct
+ * timestamp for a selection request should be. If there is
+ * a currently processed event, it uses the timestamp for that
+ * event, otherwise it uses the current server time. However,
+ * if the time resulting from that is older than the time used
+ * last time, it uses the time used last time instead.
+ *
+ * In order implement this correctly, we never use CurrentTime,
+ * but actually retrieve the actual timestamp from the server.
+ * This is a little slower but allows us to make the guarantee
+ * that the times used by this application will always ascend
+ * and we won't get selections being rejected just because
+ * we are using a correct timestamp from an event, but used
+ * CurrentTime previously.
+ */
+static guint32
+clipboard_get_timestamp (GtkClipboard *clipboard)
+{
+ GtkWidget *clipboard_widget = get_clipboard_widget (clipboard->display);
+ guint32 timestamp = gtk_get_current_event_time ();
+
+ if (timestamp == GDK_CURRENT_TIME)
+ {
+#ifdef GDK_WINDOWING_X11
+ timestamp = gdk_x11_get_server_time (clipboard_widget->window);
+#elif defined GDK_WINDOWING_WIN32
+ timestamp = GetMessageTime ();
+#endif
+ }
+ else
+ {
+ if (clipboard->timestamp != GDK_CURRENT_TIME)
+ {
+ /* Check to see if clipboard->timestamp is newer than
+ * timestamp, accounting for wraparound.
+ */
+
+ guint32 max = timestamp + 0x80000000;
+
+ if ((max > timestamp &&
+ (clipboard->timestamp > timestamp &&
+ clipboard->timestamp <= max)) ||
+ (max <= timestamp &&
+ (clipboard->timestamp > timestamp ||
+ clipboard->timestamp <= max)))
+ {
+ timestamp = clipboard->timestamp;
+ }
+ }
+ }
+
+ clipboard->timestamp = timestamp;
+
+ return timestamp;
+}
+
static void
clipboard_owner_destroyed (gpointer data)
{
@@ -285,12 +462,6 @@ clipboard_owner_destroyed (gpointer data
clipboard->user_data = NULL;
clipboard->have_owner = FALSE;
- if (clipboard->target_list)
- {
- gtk_target_list_unref (clipboard->target_list);
- clipboard->target_list = NULL;
- }
-
gtk_clipboard_clear (clipboard);
tmp_list = tmp_list->next;
@@ -323,7 +494,7 @@ clipboard_remove_owner_notify (GtkClipbo
clipboard),
clipboard_owner_destroyed);
}
-
+
static gboolean
gtk_clipboard_set_contents (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
@@ -333,76 +504,83 @@ gtk_clipboard_set_contents (GtkClipboard
gpointer user_data,
gboolean have_owner)
{
- GtkClipboardOwner *owner;
- NSSet *types;
- NSAutoreleasePool *pool;
+ GtkWidget *clipboard_widget = get_clipboard_widget (clipboard->display);
- if (!(clipboard->have_owner && have_owner) ||
- clipboard->user_data != user_data)
+ if (gtk_selection_owner_set_for_display (clipboard->display,
+ clipboard_widget,
+ clipboard->selection,
+ clipboard_get_timestamp (clipboard)))
{
- clipboard_unset (clipboard);
+ clipboard->have_selection = TRUE;
- if (clipboard->get_func)
+ if (clipboard->n_cached_targets != -1)
{
- /* Calling unset() caused the clipboard contents to be reset!
- * Avoid leaking and return
- */
- if (!(clipboard->have_owner && have_owner) ||
- clipboard->user_data != user_data)
- {
- (*clear_func) (clipboard, user_data);
- return FALSE;
- }
- else
- {
- return TRUE;
- }
+ g_free (clipboard->cached_targets);
+ clipboard->cached_targets = NULL;
+ clipboard->n_cached_targets = -1;
}
- }
- pool = [[NSAutoreleasePool alloc] init];
+ if (!(clipboard->have_owner && have_owner) ||
+ clipboard->user_data != user_data)
+ {
+ clipboard_unset (clipboard);
+
+ if (clipboard->get_func)
+ {
+ /* Calling unset() caused the clipboard contents to be reset!
+ * Avoid leaking and return
+ */
+ if (!(clipboard->have_owner && have_owner) ||
+ clipboard->user_data != user_data)
+ {
+ (*clear_func) (clipboard, user_data);
+ return FALSE;
+ }
+ else
+ return TRUE;
+ }
+ else
+ {
+ clipboard->user_data = user_data;
+ clipboard->have_owner = have_owner;
+ if (have_owner)
+ clipboard_add_owner_notify (clipboard);
+ }
+
+ }
- types = _gtk_quartz_target_entries_to_pasteboard_types (targets, n_targets);
+ clipboard->get_func = get_func;
+ clipboard->clear_func = clear_func;
- /* call declareTypes before setting the clipboard members because
- * declareTypes might clear the clipboard
- */
- if (user_data && user_data == clipboard->user_data)
- {
- owner = [clipboard->owner retain];
+ gtk_selection_clear_targets (clipboard_widget, clipboard->selection);
+ gtk_selection_add_targets (clipboard_widget, clipboard->selection,
+ targets, n_targets);
- owner->setting_same_owner = TRUE;
- clipboard->change_count = [clipboard->pasteboard declareTypes: [types allObjects]
- owner: owner];
- owner->setting_same_owner = FALSE;
+ return TRUE;
}
else
- {
- owner = [[GtkClipboardOwner alloc] initWithClipboard:clipboard];
-
- clipboard->change_count = [clipboard->pasteboard declareTypes: [types allObjects]
- owner: owner];
- }
-
- [owner release];
- [types release];
- [pool release];
-
- clipboard->owner = owner;
- clipboard->user_data = user_data;
- clipboard->have_owner = have_owner;
- if (have_owner)
- clipboard_add_owner_notify (clipboard);
- clipboard->get_func = get_func;
- clipboard->clear_func = clear_func;
-
- if (clipboard->target_list)
- gtk_target_list_unref (clipboard->target_list);
- clipboard->target_list = gtk_target_list_new (targets, n_targets);
-
- return TRUE;
+ return FALSE;
}
+/**
+ * gtk_clipboard_set_with_data:
+ * @clipboard: a #GtkClipboard
+ * @targets: array containing information about the available forms for the
+ * clipboard data
+ * @n_targets: number of elements in @targets
+ * @get_func: function to call to get the actual clipboard data
+ * @clear_func: when the clipboard contents are set again, this function will
+ * be called, and @get_func will not be subsequently called.
+ * @user_data: user data to pass to @get_func and @clear_func.
+ *
+ * Virtually sets the contents of the specified clipboard by providing
+ * a list of supported formats for the clipboard data and a function
+ * to call to get the actual data when it is requested.
+ *
+ * Return value: %TRUE if setting the clipboard data succeeded. If setting
+ * the clipboard data failed the provided callback functions
+ * will be ignored.
+ **/
gboolean
gtk_clipboard_set_with_data (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
@@ -420,6 +598,30 @@ gtk_clipboard_set_with_data (GtkClipboar
FALSE);
}
+/**
+ * gtk_clipboard_set_with_owner:
+ * @clipboard: a #GtkClipboard
+ * @targets: array containing information about the available forms for the
+ * clipboard data
+ * @n_targets: number of elements in @targets
+ * @get_func: function to call to get the actual clipboard data
+ * @clear_func: when the clipboard contents are set again, this function will
+ * be called, and @get_func will not be subsequently called.
+ * @owner: an object that "owns" the data. This object will be passed
+ * to the callbacks when called.
+ *
+ * Virtually sets the contents of the specified clipboard by providing
+ * a list of supported formats for the clipboard data and a function
+ * to call to get the actual data when it is requested.
+ *
+ * The difference between this function and gtk_clipboard_set_with_data()
+ * is that instead of an generic @user_data pointer, a #GObject is passed
+ * in.
+ *
+ * Return value: %TRUE if setting the clipboard data succeeded. If setting
+ * the clipboard data failed the provided callback functions
+ * will be ignored.
+ **/
gboolean
gtk_clipboard_set_with_owner (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
@@ -438,17 +640,22 @@ gtk_clipboard_set_with_owner (GtkClipboa
TRUE);
}
+/**
+ * gtk_clipboard_get_owner:
+ * @clipboard: a #GtkClipboard
+ *
+ * If the clipboard contents callbacks were set with
+ * gtk_clipboard_set_with_owner(), and the gtk_clipboard_set_with_data() or
+ * gtk_clipboard_clear() has not subsequently called, returns the owner set
+ * by gtk_clipboard_set_with_owner().
+ *
+ * Return value: (transfer none): the owner of the clipboard, if any; otherwise %NULL.
+ **/
GObject *
gtk_clipboard_get_owner (GtkClipboard *clipboard)
{
g_return_val_if_fail (clipboard != NULL, NULL);
- if (clipboard->change_count < [clipboard->pasteboard changeCount])
- {
- clipboard_unset (clipboard);
- clipboard->change_count = [clipboard->pasteboard changeCount];
- }
-
if (clipboard->have_owner)
return clipboard->user_data;
else
@@ -477,8 +684,7 @@ clipboard_unset (GtkClipboard *clipboard
clipboard->n_storable_targets = -1;
g_free (clipboard->storable_targets);
clipboard->storable_targets = NULL;
-
- clipboard->owner = NULL;
+
clipboard->get_func = NULL;
clipboard->clear_func = NULL;
clipboard->user_data = NULL;
@@ -486,12 +692,6 @@ clipboard_unset (GtkClipboard *clipboard
if (old_clear_func)
old_clear_func (clipboard, old_data);
- if (clipboard->target_list)
- {
- gtk_target_list_unref (clipboard->target_list);
- clipboard->target_list = NULL;
- }
-
/* If we've transferred the clipboard data to the manager,
* unref the owner
*/
@@ -500,12 +700,26 @@ clipboard_unset (GtkClipboard *clipboard
g_object_unref (old_data);
}
+/**
+ * gtk_clipboard_clear:
+ * @clipboard: a #GtkClipboard
+ *
+ * Clears the contents of the clipboard. Generally this should only
+ * be called between the time you call gtk_clipboard_set_with_owner()
+ * or gtk_clipboard_set_with_data(),
+ * and when the @clear_func you supplied is called. Otherwise, the
+ * clipboard may be owned by someone else.
+ **/
void
gtk_clipboard_clear (GtkClipboard *clipboard)
{
- clipboard_unset (clipboard);
+ g_return_if_fail (clipboard != NULL);
- [clipboard->pasteboard declareTypes:nil owner:nil];
+ if (clipboard->have_selection)
+ gtk_selection_owner_set_for_display (clipboard->display,
+ NULL,
+ clipboard->selection,
+ clipboard_get_timestamp (clipboard));
}
static void
@@ -524,26 +738,48 @@ text_clear_func (GtkClipboard *clipboard
g_free (data);
}
+
+/**
+ * gtk_clipboard_set_text:
+ * @clipboard: a #GtkClipboard object
+ * @text: a UTF-8 string.
+ * @len: length of @text, in bytes, or -1, in which case
+ * the length will be determined with <function>strlen()</function>.
+ *
+ * Sets the contents of the clipboard to the given UTF-8 string. GTK+ will
+ * make a copy of the text and take responsibility for responding
+ * for requests for the text, and for converting the text into
+ * the requested format.
+ **/
void
gtk_clipboard_set_text (GtkClipboard *clipboard,
const gchar *text,
gint len)
{
- GtkTargetEntry target = { "UTF8_STRING", 0, 0 };
+ GtkTargetList *list;
+ GtkTargetEntry *targets;
+ gint n_targets;
g_return_if_fail (clipboard != NULL);
g_return_if_fail (text != NULL);
+
+ list = gtk_target_list_new (NULL, 0);
+ gtk_target_list_add_text_targets (list, 0);
+
+ targets = gtk_target_table_new_from_list (list, &n_targets);
if (len < 0)
len = strlen (text);
gtk_clipboard_set_with_data (clipboard,
- &target, 1,
+ targets, n_targets,
text_get_func, text_clear_func,
g_strndup (text, len));
gtk_clipboard_set_can_store (clipboard, NULL, 0);
-}
+ gtk_target_table_free (targets, n_targets);
+ gtk_target_list_unref (list);
+}
static void
pixbuf_get_func (GtkClipboard *clipboard,
@@ -561,14 +797,25 @@ pixbuf_clear_func (GtkClipboard *clipboa
g_object_unref (data);
}
+/**
+ * gtk_clipboard_set_image:
+ * @clipboard: a #GtkClipboard object
+ * @pixbuf: a #GdkPixbuf
+ *
+ * Sets the contents of the clipboard to the given #GdkPixbuf.
+ * GTK+ will take responsibility for responding for requests
+ * for the image, and for converting the image into the
+ * requested format.
+ *
+ * Since: 2.6
+ **/
void
gtk_clipboard_set_image (GtkClipboard *clipboard,
- GdkPixbuf *pixbuf)
+ GdkPixbuf *pixbuf)
{
GtkTargetList *list;
- GList *l;
GtkTargetEntry *targets;
- gint n_targets, i;
+ gint n_targets;
g_return_if_fail (clipboard != NULL);
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
@@ -576,13 +823,7 @@ gtk_clipboard_set_image (GtkClipboard *c
list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_image_targets (list, 0, TRUE);
- n_targets = g_list_length (list->list);
- targets = g_new0 (GtkTargetEntry, n_targets);
- for (l = list->list, i = 0; l; l = l->next, i++)
- {
- GtkTargetPair *pair = (GtkTargetPair *)l->data;
- targets[i].target = gdk_atom_name (pair->target);
- }
+ targets = gtk_target_table_new_from_list (list, &n_targets);
gtk_clipboard_set_with_data (clipboard,
targets, n_targets,
@@ -590,210 +831,749 @@ gtk_clipboard_set_image (GtkClipboard *c
g_object_ref (pixbuf));
gtk_clipboard_set_can_store (clipboard, NULL, 0);
- for (i = 0; i < n_targets; i++)
- g_free (targets[i].target);
- g_free (targets);
+ gtk_target_table_free (targets, n_targets);
gtk_target_list_unref (list);
}
+static void
+set_request_contents_info (GtkWidget *widget,
+ RequestContentsInfo *info)
+{
+ if (!request_contents_key_id)
+ request_contents_key_id = g_quark_from_static_string (request_contents_key);
+
+ g_object_set_qdata (G_OBJECT (widget), request_contents_key_id, info);
+}
+
+static RequestContentsInfo *
+get_request_contents_info (GtkWidget *widget)
+{
+ if (!request_contents_key_id)
+ return NULL;
+ else
+ return g_object_get_qdata (G_OBJECT (widget), request_contents_key_id);
+}
+
+static void
+selection_received (GtkWidget *widget,
+ GtkSelectionData *selection_data,
+ guint time)
+{
+ RequestContentsInfo *request_info = get_request_contents_info (widget);
+ set_request_contents_info (widget, NULL);
+
+ request_info->callback (gtk_widget_get_clipboard (widget, selection_data->selection),
+ selection_data,
+ request_info->user_data);
+
+ g_free (request_info);
+
+ if (widget != get_clipboard_widget (gtk_widget_get_display (widget)))
+ gtk_widget_destroy (widget);
+}
+
+/**
+ * gtk_clipboard_request_contents:
+ * @clipboard: a #GtkClipboard
+ * @target: an atom representing the form into which the clipboard
+ * owner should convert the selection.
+ * @callback: A function to call when the results are received
+ * (or the retrieval fails). If the retrieval fails
+ * the length field of @selection_data will be
+ * negative.
+ * @user_data: user data to pass to @callback
+ *
+ * Requests the contents of clipboard as the given target.
+ * When the results of the result are later received the supplied callback
+ * will be called.
+ **/
void
gtk_clipboard_request_contents (GtkClipboard *clipboard,
GdkAtom target,
GtkClipboardReceivedFunc callback,
gpointer user_data)
{
- GtkSelectionData *data;
+ RequestContentsInfo *info;
+ GtkWidget *widget;
+ GtkWidget *clipboard_widget;
- data = gtk_clipboard_wait_for_contents (clipboard, target);
+ g_return_if_fail (clipboard != NULL);
+ g_return_if_fail (target != GDK_NONE);
+ g_return_if_fail (callback != NULL);
+
+ clipboard_widget = get_clipboard_widget (clipboard->display);
+
+ if (get_request_contents_info (clipboard_widget))
+ widget = make_clipboard_widget (clipboard->display, FALSE);
+ else
+ widget = clipboard_widget;
- callback (clipboard, data, user_data);
+ info = g_new (RequestContentsInfo, 1);
+ info->callback = callback;
+ info->user_data = user_data;
- gtk_selection_data_free (data);
+ set_request_contents_info (widget, info);
+
+ gtk_selection_convert (widget, clipboard->selection, target,
+ clipboard_get_timestamp (clipboard));
}
+static void
+request_text_received_func (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ gpointer data)
+{
+ RequestTextInfo *info = data;
+ gchar *result = NULL;
+
+ result = (gchar *) gtk_selection_data_get_text (selection_data);