mirror of
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Localize stripped down gtk2
This is intended mainly for GNU/Linux distros who will remove GTK2 support in the near future.
This commit is contained in:
Robin Gareus
parent
2a928dae19
commit
ad51c7c2ba
1528 changed files with 915658 additions and 57 deletions
609
libs/tk/ydk/x11/xsettings-client.c
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609
libs/tk/ydk/x11/xsettings-client.c
Normal file
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@ -0,0 +1,609 @@
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/*
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* Copyright © 2001, 2007 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Red Hat not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. Red Hat makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Owen Taylor, Red Hat, Inc.
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*/
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#include "config.h"
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/Xmd.h> /* For CARD16 */
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#include "xsettings-client.h"
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struct _XSettingsClient
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{
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Display *display;
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int screen;
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XSettingsNotifyFunc notify;
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XSettingsWatchFunc watch;
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void *cb_data;
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XSettingsGrabFunc grab;
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XSettingsGrabFunc ungrab;
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Window manager_window;
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Atom manager_atom;
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Atom selection_atom;
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Atom xsettings_atom;
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XSettingsList *settings;
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};
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static void
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notify_changes (XSettingsClient *client,
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XSettingsList *old_list)
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{
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XSettingsList *old_iter = old_list;
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XSettingsList *new_iter = client->settings;
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if (!client->notify)
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return;
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while (old_iter || new_iter)
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{
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int cmp;
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if (old_iter && new_iter)
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cmp = strcmp (old_iter->setting->name, new_iter->setting->name);
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else if (old_iter)
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cmp = -1;
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else
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cmp = 1;
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if (cmp < 0)
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{
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client->notify (old_iter->setting->name,
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XSETTINGS_ACTION_DELETED,
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NULL,
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client->cb_data);
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}
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else if (cmp == 0)
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{
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if (!xsettings_setting_equal (old_iter->setting,
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new_iter->setting))
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client->notify (old_iter->setting->name,
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XSETTINGS_ACTION_CHANGED,
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new_iter->setting,
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client->cb_data);
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}
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else
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{
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client->notify (new_iter->setting->name,
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XSETTINGS_ACTION_NEW,
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new_iter->setting,
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client->cb_data);
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}
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if (old_iter)
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old_iter = old_iter->next;
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if (new_iter)
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new_iter = new_iter->next;
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}
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}
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static int
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ignore_errors (Display *display, XErrorEvent *event)
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{
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return True;
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}
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static char local_byte_order = '\0';
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#define BYTES_LEFT(buffer) ((buffer)->data + (buffer)->len - (buffer)->pos)
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static XSettingsResult
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fetch_card16 (XSettingsBuffer *buffer,
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CARD16 *result)
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{
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CARD16 x;
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if (BYTES_LEFT (buffer) < 2)
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return XSETTINGS_ACCESS;
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x = *(CARD16 *)buffer->pos;
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buffer->pos += 2;
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if (buffer->byte_order == local_byte_order)
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*result = x;
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else
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*result = (x << 8) | (x >> 8);
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return XSETTINGS_SUCCESS;
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}
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static XSettingsResult
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fetch_ushort (XSettingsBuffer *buffer,
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unsigned short *result)
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{
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CARD16 x;
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XSettingsResult r;
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r = fetch_card16 (buffer, &x);
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if (r == XSETTINGS_SUCCESS)
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*result = x;
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return r;
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}
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static XSettingsResult
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fetch_card32 (XSettingsBuffer *buffer,
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CARD32 *result)
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{
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CARD32 x;
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if (BYTES_LEFT (buffer) < 4)
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return XSETTINGS_ACCESS;
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x = *(CARD32 *)buffer->pos;
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buffer->pos += 4;
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if (buffer->byte_order == local_byte_order)
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*result = x;
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else
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*result = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24);
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return XSETTINGS_SUCCESS;
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}
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static XSettingsResult
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fetch_card8 (XSettingsBuffer *buffer,
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CARD8 *result)
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{
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if (BYTES_LEFT (buffer) < 1)
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return XSETTINGS_ACCESS;
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*result = *(CARD8 *)buffer->pos;
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buffer->pos += 1;
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return XSETTINGS_SUCCESS;
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}
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#define XSETTINGS_PAD(n,m) ((n + m - 1) & (~(m-1)))
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static XSettingsList *
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parse_settings (unsigned char *data,
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size_t len)
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{
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XSettingsBuffer buffer;
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XSettingsResult result = XSETTINGS_SUCCESS;
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XSettingsList *settings = NULL;
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CARD32 serial;
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CARD32 n_entries;
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CARD32 i;
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XSettingsSetting *setting = NULL;
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local_byte_order = xsettings_byte_order ();
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buffer.pos = buffer.data = data;
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buffer.len = len;
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result = fetch_card8 (&buffer, (unsigned char *)&buffer.byte_order);
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if (buffer.byte_order != MSBFirst &&
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buffer.byte_order != LSBFirst)
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{
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fprintf (stderr, "Invalid byte order in XSETTINGS property\n");
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result = XSETTINGS_FAILED;
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goto out;
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}
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buffer.pos += 3;
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result = fetch_card32 (&buffer, &serial);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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result = fetch_card32 (&buffer, &n_entries);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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for (i = 0; i < n_entries; i++)
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{
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CARD8 type;
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CARD16 name_len;
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CARD32 v_int;
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size_t pad_len;
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result = fetch_card8 (&buffer, &type);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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buffer.pos += 1;
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result = fetch_card16 (&buffer, &name_len);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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pad_len = XSETTINGS_PAD(name_len, 4);
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if (BYTES_LEFT (&buffer) < pad_len)
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{
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result = XSETTINGS_ACCESS;
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goto out;
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}
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setting = malloc (sizeof *setting);
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if (!setting)
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{
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result = XSETTINGS_NO_MEM;
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goto out;
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}
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setting->type = XSETTINGS_TYPE_INT; /* No allocated memory */
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setting->name = malloc (name_len + 1);
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if (!setting->name)
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{
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result = XSETTINGS_NO_MEM;
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goto out;
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}
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memcpy (setting->name, buffer.pos, name_len);
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setting->name[name_len] = '\0';
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buffer.pos += pad_len;
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result = fetch_card32 (&buffer, &v_int);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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setting->last_change_serial = v_int;
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switch (type)
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{
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case XSETTINGS_TYPE_INT:
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result = fetch_card32 (&buffer, &v_int);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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setting->data.v_int = (INT32)v_int;
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break;
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case XSETTINGS_TYPE_STRING:
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result = fetch_card32 (&buffer, &v_int);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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pad_len = XSETTINGS_PAD (v_int, 4);
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if (v_int + 1 == 0 || /* Guard against wrap-around */
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BYTES_LEFT (&buffer) < pad_len)
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{
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result = XSETTINGS_ACCESS;
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goto out;
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}
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setting->data.v_string = malloc (v_int + 1);
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if (!setting->data.v_string)
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{
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result = XSETTINGS_NO_MEM;
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goto out;
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}
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memcpy (setting->data.v_string, buffer.pos, v_int);
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setting->data.v_string[v_int] = '\0';
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buffer.pos += pad_len;
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break;
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case XSETTINGS_TYPE_COLOR:
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result = fetch_ushort (&buffer, &setting->data.v_color.red);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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result = fetch_ushort (&buffer, &setting->data.v_color.green);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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result = fetch_ushort (&buffer, &setting->data.v_color.blue);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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result = fetch_ushort (&buffer, &setting->data.v_color.alpha);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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break;
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default:
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/* Quietly ignore unknown types */
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break;
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}
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setting->type = type;
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result = xsettings_list_insert (&settings, setting);
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if (result != XSETTINGS_SUCCESS)
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goto out;
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setting = NULL;
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}
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out:
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if (result != XSETTINGS_SUCCESS)
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{
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switch (result)
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{
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case XSETTINGS_NO_MEM:
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fprintf(stderr, "Out of memory reading XSETTINGS property\n");
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break;
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case XSETTINGS_ACCESS:
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fprintf(stderr, "Invalid XSETTINGS property (read off end)\n");
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break;
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case XSETTINGS_DUPLICATE_ENTRY:
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fprintf (stderr, "Duplicate XSETTINGS entry for '%s'\n", setting->name);
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case XSETTINGS_FAILED:
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case XSETTINGS_SUCCESS:
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case XSETTINGS_NO_ENTRY:
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break;
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}
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if (setting)
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xsettings_setting_free (setting);
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xsettings_list_free (settings);
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settings = NULL;
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}
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return settings;
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}
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static void
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read_settings (XSettingsClient *client)
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{
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Atom type;
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int format;
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unsigned long n_items;
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unsigned long bytes_after;
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unsigned char *data;
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int result;
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int (*old_handler) (Display *, XErrorEvent *);
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XSettingsList *old_list = client->settings;
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client->settings = NULL;
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if (client->manager_window)
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{
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old_handler = XSetErrorHandler (ignore_errors);
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result = XGetWindowProperty (client->display, client->manager_window,
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client->xsettings_atom, 0, LONG_MAX,
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False, client->xsettings_atom,
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&type, &format, &n_items, &bytes_after, &data);
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XSetErrorHandler (old_handler);
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if (result == Success && type != None)
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{
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if (type != client->xsettings_atom)
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{
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fprintf (stderr, "Invalid type for XSETTINGS property");
|
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}
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else if (format != 8)
|
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{
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fprintf (stderr, "Invalid format for XSETTINGS property %d", format);
|
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}
|
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else
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client->settings = parse_settings (data, n_items);
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|
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XFree (data);
|
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}
|
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}
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|
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notify_changes (client, old_list);
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xsettings_list_free (old_list);
|
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}
|
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|
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static void
|
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add_events (Display *display,
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Window window,
|
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long mask)
|
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{
|
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XWindowAttributes attr;
|
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|
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XGetWindowAttributes (display, window, &attr);
|
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XSelectInput (display, window, attr.your_event_mask | mask);
|
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}
|
||||
|
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static void
|
||||
check_manager_window (XSettingsClient *client)
|
||||
{
|
||||
if (client->manager_window && client->watch)
|
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client->watch (client->manager_window, False, 0, client->cb_data);
|
||||
|
||||
if (client->grab)
|
||||
client->grab (client->display);
|
||||
else
|
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XGrabServer (client->display);
|
||||
|
||||
client->manager_window = XGetSelectionOwner (client->display,
|
||||
client->selection_atom);
|
||||
if (client->manager_window)
|
||||
XSelectInput (client->display, client->manager_window,
|
||||
PropertyChangeMask | StructureNotifyMask);
|
||||
|
||||
if (client->ungrab)
|
||||
client->ungrab (client->display);
|
||||
else
|
||||
XUngrabServer (client->display);
|
||||
|
||||
XFlush (client->display);
|
||||
|
||||
if (client->manager_window && client->watch)
|
||||
{
|
||||
if (!client->watch (client->manager_window, True,
|
||||
PropertyChangeMask | StructureNotifyMask,
|
||||
client->cb_data))
|
||||
{
|
||||
/* Inability to watch the window probably means that it was destroyed
|
||||
* after we ungrabbed
|
||||
*/
|
||||
client->manager_window = None;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
read_settings (client);
|
||||
}
|
||||
|
||||
XSettingsClient *
|
||||
xsettings_client_new (Display *display,
|
||||
int screen,
|
||||
XSettingsNotifyFunc notify,
|
||||
XSettingsWatchFunc watch,
|
||||
void *cb_data)
|
||||
{
|
||||
return xsettings_client_new_with_grab_funcs (display, screen, notify, watch, cb_data,
|
||||
NULL, NULL);
|
||||
}
|
||||
|
||||
XSettingsClient *
|
||||
xsettings_client_new_with_grab_funcs (Display *display,
|
||||
int screen,
|
||||
XSettingsNotifyFunc notify,
|
||||
XSettingsWatchFunc watch,
|
||||
void *cb_data,
|
||||
XSettingsGrabFunc grab,
|
||||
XSettingsGrabFunc ungrab)
|
||||
{
|
||||
XSettingsClient *client;
|
||||
char buffer[256];
|
||||
char *atom_names[3];
|
||||
Atom atoms[3];
|
||||
|
||||
client = malloc (sizeof *client);
|
||||
if (!client)
|
||||
return NULL;
|
||||
|
||||
client->display = display;
|
||||
client->screen = screen;
|
||||
client->notify = notify;
|
||||
client->watch = watch;
|
||||
client->cb_data = cb_data;
|
||||
client->grab = grab;
|
||||
client->ungrab = ungrab;
|
||||
|
||||
client->manager_window = None;
|
||||
client->settings = NULL;
|
||||
|
||||
sprintf(buffer, "_XSETTINGS_S%d", screen);
|
||||
atom_names[0] = buffer;
|
||||
atom_names[1] = "_XSETTINGS_SETTINGS";
|
||||
atom_names[2] = "MANAGER";
|
||||
|
||||
#ifdef HAVE_XINTERNATOMS
|
||||
XInternAtoms (display, atom_names, 3, False, atoms);
|
||||
#else
|
||||
atoms[0] = XInternAtom (display, atom_names[0], False);
|
||||
atoms[1] = XInternAtom (display, atom_names[1], False);
|
||||
atoms[2] = XInternAtom (display, atom_names[2], False);
|
||||
#endif
|
||||
|
||||
client->selection_atom = atoms[0];
|
||||
client->xsettings_atom = atoms[1];
|
||||
client->manager_atom = atoms[2];
|
||||
|
||||
/* Select on StructureNotify so we get MANAGER events
|
||||
*/
|
||||
add_events (display, RootWindow (display, screen), StructureNotifyMask);
|
||||
|
||||
if (client->watch)
|
||||
client->watch (RootWindow (display, screen), True, StructureNotifyMask,
|
||||
client->cb_data);
|
||||
|
||||
check_manager_window (client);
|
||||
|
||||
return client;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
xsettings_client_set_grab_func (XSettingsClient *client,
|
||||
XSettingsGrabFunc grab)
|
||||
{
|
||||
client->grab = grab;
|
||||
}
|
||||
|
||||
void
|
||||
xsettings_client_set_ungrab_func (XSettingsClient *client,
|
||||
XSettingsGrabFunc ungrab)
|
||||
{
|
||||
client->ungrab = ungrab;
|
||||
}
|
||||
|
||||
void
|
||||
xsettings_client_destroy (XSettingsClient *client)
|
||||
{
|
||||
if (client->watch)
|
||||
client->watch (RootWindow (client->display, client->screen),
|
||||
False, 0, client->cb_data);
|
||||
if (client->manager_window && client->watch)
|
||||
client->watch (client->manager_window, False, 0, client->cb_data);
|
||||
|
||||
xsettings_list_free (client->settings);
|
||||
free (client);
|
||||
}
|
||||
|
||||
XSettingsResult
|
||||
xsettings_client_get_setting (XSettingsClient *client,
|
||||
const char *name,
|
||||
XSettingsSetting **setting)
|
||||
{
|
||||
XSettingsSetting *search = xsettings_list_lookup (client->settings, name);
|
||||
if (search)
|
||||
{
|
||||
*setting = xsettings_setting_copy (search);
|
||||
return *setting ? XSETTINGS_SUCCESS : XSETTINGS_NO_MEM;
|
||||
}
|
||||
else
|
||||
return XSETTINGS_NO_ENTRY;
|
||||
}
|
||||
|
||||
Bool
|
||||
xsettings_client_process_event (XSettingsClient *client,
|
||||
XEvent *xev)
|
||||
{
|
||||
/* The checks here will not unlikely cause us to reread
|
||||
* the properties from the manager window a number of
|
||||
* times when the manager changes from A->B. But manager changes
|
||||
* are going to be pretty rare.
|
||||
*/
|
||||
if (xev->xany.window == RootWindow (client->display, client->screen))
|
||||
{
|
||||
if (xev->xany.type == ClientMessage &&
|
||||
xev->xclient.message_type == client->manager_atom &&
|
||||
xev->xclient.data.l[1] == client->selection_atom)
|
||||
{
|
||||
check_manager_window (client);
|
||||
return True;
|
||||
}
|
||||
}
|
||||
else if (xev->xany.window == client->manager_window)
|
||||
{
|
||||
if (xev->xany.type == DestroyNotify)
|
||||
{
|
||||
check_manager_window (client);
|
||||
/* let GDK do its cleanup */
|
||||
return False;
|
||||
}
|
||||
else if (xev->xany.type == PropertyNotify)
|
||||
{
|
||||
read_settings (client);
|
||||
return True;
|
||||
}
|
||||
}
|
||||
|
||||
return False;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue