mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-15 18:58:55 +01:00
136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) Qxt Foundation. Some rights reserved.
|
|
**
|
|
** This file is part of the QxtGui module of the Qxt library.
|
|
**
|
|
** This library is free software; you can redistribute it and/or modify it
|
|
** under the terms of the Common Public License, version 1.0, as published
|
|
** by IBM, and/or under the terms of the GNU Lesser General Public License,
|
|
** version 2.1, as published by the Free Software Foundation.
|
|
**
|
|
** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
|
|
** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
|
|
** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
|
|
** FITNESS FOR A PARTICULAR PURPOSE.
|
|
**
|
|
** You should have received a copy of the CPL and the LGPL along with this
|
|
** file. See the LICENSE file and the cpl1.0.txt/lgpl-2.1.txt files
|
|
** included with the source distribution for more information.
|
|
** If you did not receive a copy of the licenses, contact the Qxt Foundation.
|
|
**
|
|
** <http://libqxt.org> <foundation@libqxt.org>
|
|
**
|
|
****************************************************************************/
|
|
#include "qxtglobalshortcut_p.h"
|
|
#include <QX11Info>
|
|
#include <X11/Xlib.h>
|
|
|
|
#include "keymapper_x11.h"
|
|
|
|
static int (*original_x_errhandler)(Display* display, XErrorEvent* event);
|
|
|
|
static int qxt_x_errhandler(Display* display, XErrorEvent *event)
|
|
{
|
|
Q_UNUSED(display);
|
|
switch (event->error_code)
|
|
{
|
|
case BadAccess:
|
|
case BadValue:
|
|
case BadWindow:
|
|
if (event->request_code == 33 /* X_GrabKey */ ||
|
|
event->request_code == 34 /* X_UngrabKey */)
|
|
{
|
|
QxtGlobalShortcutPrivate::error = true;
|
|
//TODO:
|
|
//char errstr[256];
|
|
//XGetErrorText(dpy, err->error_code, errstr, 256);
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
bool QxtGlobalShortcutPrivate::eventFilter(void* message)
|
|
{
|
|
XEvent* event = static_cast<XEvent*>(message);
|
|
if (event->type == KeyPress)
|
|
{
|
|
XKeyEvent* key = (XKeyEvent*) event;
|
|
activateShortcut(key->keycode,
|
|
// Mod1Mask == Alt, Mod4Mask == Meta
|
|
key->state & (ShiftMask | ControlMask | Mod1Mask | Mod4Mask));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
quint32 QxtGlobalShortcutPrivate::nativeModifiers(Qt::KeyboardModifiers modifiers)
|
|
{
|
|
// ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, and Mod5Mask
|
|
quint32 native = 0;
|
|
if (modifiers & Qt::ShiftModifier)
|
|
native |= ShiftMask;
|
|
if (modifiers & Qt::ControlModifier)
|
|
native |= ControlMask;
|
|
if (modifiers & Qt::AltModifier)
|
|
native |= Mod1Mask;
|
|
if (modifiers & Qt::MetaModifier)
|
|
native |= Mod4Mask;
|
|
// TODO: resolve these?
|
|
//if (modifiers & Qt::KeypadModifier)
|
|
//if (modifiers & Qt::GroupSwitchModifier)
|
|
return native;
|
|
}
|
|
|
|
quint32 QxtGlobalShortcutPrivate::nativeKeycode(Qt::Key key)
|
|
{
|
|
// (davidsansome) Try the table from QKeyMapper first - this seems to be
|
|
// the only way to get Keysyms for the media keys.
|
|
unsigned int keysym = 0;
|
|
int i = 0;
|
|
while (KeyTbl[i]) {
|
|
if (KeyTbl[i+1] == static_cast<uint>(key)) {
|
|
keysym = KeyTbl[i];
|
|
break;
|
|
}
|
|
i += 2;
|
|
}
|
|
|
|
// If that didn't work then fall back on XStringToKeysym
|
|
if (!keysym) {
|
|
keysym = XStringToKeysym(QKeySequence(key).toString().toLatin1().data());
|
|
}
|
|
|
|
Display* display = QX11Info::display();
|
|
return XKeysymToKeycode(display, keysym);
|
|
}
|
|
|
|
bool QxtGlobalShortcutPrivate::registerShortcut(quint32 nativeKey, quint32 nativeMods)
|
|
{
|
|
Display* display = QX11Info::display();
|
|
Window window = QX11Info::appRootWindow();
|
|
Bool owner = True;
|
|
int pointer = GrabModeAsync;
|
|
int keyboard = GrabModeAsync;
|
|
error = false;
|
|
original_x_errhandler = XSetErrorHandler(qxt_x_errhandler);
|
|
XGrabKey(display, nativeKey, nativeMods, window, owner, pointer, keyboard);
|
|
XGrabKey(display, nativeKey, nativeMods | Mod2Mask, window, owner, pointer, keyboard); // allow numlock
|
|
XSync(display, False);
|
|
XSetErrorHandler(original_x_errhandler);
|
|
return !error;
|
|
}
|
|
|
|
bool QxtGlobalShortcutPrivate::unregisterShortcut(quint32 nativeKey, quint32 nativeMods)
|
|
{
|
|
Display* display = QX11Info::display();
|
|
Window window = QX11Info::appRootWindow();
|
|
error = false;
|
|
original_x_errhandler = XSetErrorHandler(qxt_x_errhandler);
|
|
XUngrabKey(display, nativeKey, nativeMods, window);
|
|
XUngrabKey(display, nativeKey, nativeMods | Mod2Mask, window); // allow numlock
|
|
XSync(display, False);
|
|
XSetErrorHandler(original_x_errhandler);
|
|
return !error;
|
|
}
|