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authorStanislaw Halik <sthalik@misaki.pl>2015-10-30 10:07:42 +0100
committerStanislaw Halik <sthalik@misaki.pl>2015-10-30 10:07:42 +0100
commit48c30a3d75d18e87e39c18cb52961bb37ab6055e (patch)
tree1d6f2faa511eed9f6dac6630673efa6564ea7027 /qxt-mini/qxtglobalshortcut_x11.cpp
parent8318ee4d821a4826b8e80369f499b3758abe8f4c (diff)
qxt: fix unix build
Diffstat (limited to 'qxt-mini/qxtglobalshortcut_x11.cpp')
-rw-r--r--qxt-mini/qxtglobalshortcut_x11.cpp238
1 files changed, 238 insertions, 0 deletions
diff --git a/qxt-mini/qxtglobalshortcut_x11.cpp b/qxt-mini/qxtglobalshortcut_x11.cpp
new file mode 100644
index 00000000..b13770a2
--- /dev/null
+++ b/qxt-mini/qxtglobalshortcut_x11.cpp
@@ -0,0 +1,238 @@
+#ifndef __APPLE_
+#define QXT_BUILD
+#include "qxtglobalshortcut_p.h"
+/****************************************************************************
+** Copyright (c) 2006 - 2011, the LibQxt project.
+** See the Qxt AUTHORS file for a list of authors and copyright holders.
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in the
+** documentation and/or other materials provided with the distribution.
+** * Neither the name of the LibQxt project nor the
+** names of its contributors may be used to endorse or promote products
+** derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+** <http://libqxt.org> <foundation@libqxt.org>
+*****************************************************************************/
+
+#include <QVector>
+#include <QApplication>
+// include private header for great justice -sh 20131015
+#include <X11/Xlib.h>
+#include <xcb/xcb.h>
+#include "qplatformnativeinterface.h"
+
+namespace {
+
+const QVector<quint32> maskModifiers = QVector<quint32>()
+ << 0 << Mod2Mask << LockMask << (Mod2Mask | LockMask);
+
+typedef int (*X11ErrorHandler)(Display *display, XErrorEvent *event);
+
+class QxtX11ErrorHandler {
+public:
+ static bool error;
+
+ static int qxtX11ErrorHandler(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 */)
+ {
+ error = true;
+ //TODO:
+ //char errstr[256];
+ //XGetErrorText(dpy, err->error_code, errstr, 256);
+ }
+ }
+ return 0;
+ }
+
+ QxtX11ErrorHandler()
+ {
+ error = false;
+ m_previousErrorHandler = XSetErrorHandler(qxtX11ErrorHandler);
+ }
+
+ ~QxtX11ErrorHandler()
+ {
+ XSetErrorHandler(m_previousErrorHandler);
+ }
+
+private:
+ X11ErrorHandler m_previousErrorHandler;
+};
+
+bool QxtX11ErrorHandler::error = false;
+
+class QxtX11Data {
+public:
+ QxtX11Data()
+ {
+#if QT_VERSION < QT_VERSION_CHECK(5,0,0)
+ m_display = QX11Info::display();
+#else
+ QPlatformNativeInterface *native = qApp->platformNativeInterface();
+ void *display = native->nativeResourceForScreen(QByteArray("display"),
+ QGuiApplication::primaryScreen());
+ m_display = reinterpret_cast<Display *>(display);
+#endif
+ }
+
+ bool isValid()
+ {
+ return m_display != 0;
+ }
+
+ Display *display()
+ {
+ Q_ASSERT(isValid());
+ return m_display;
+ }
+
+ Window rootWindow()
+ {
+ return DefaultRootWindow(display());
+ }
+
+ bool grabKey(quint32 keycode, quint32 modifiers, Window window)
+ {
+ QxtX11ErrorHandler errorHandler;
+
+ for (int i = 0; !errorHandler.error && i < maskModifiers.size(); ++i) {
+ XGrabKey(display(), keycode, modifiers | maskModifiers[i], window, True,
+ GrabModeAsync, GrabModeAsync);
+ }
+
+ if (errorHandler.error) {
+ ungrabKey(keycode, modifiers, window);
+ return false;
+ }
+
+ return true;
+ }
+
+ bool ungrabKey(quint32 keycode, quint32 modifiers, Window window)
+ {
+ QxtX11ErrorHandler errorHandler;
+
+ foreach (quint32 maskMods, maskModifiers) {
+ XUngrabKey(display(), keycode, modifiers | maskMods, window);
+ }
+
+ return !errorHandler.error;
+ }
+
+private:
+ Display *m_display;
+};
+
+} // namespace
+
+#if QT_VERSION < QT_VERSION_CHECK(5,0,0)
+bool QxtGlobalShortcutPrivate::eventFilter(void *message)
+{
+ XEvent *event = static_cast<XEvent *>(message);
+ if (event->type == KeyPress)
+ {
+ XKeyEvent *key = reinterpret_cast<XKeyEvent *>(event);
+ unsigned int keycode = key->keycode;
+ unsigned int keystate = key->state;
+#else
+bool QxtGlobalShortcutPrivate::nativeEventFilter(const QByteArray & eventType,
+ void *message, long *result)
+{
+ Q_UNUSED(result);
+
+ xcb_key_press_event_t *kev = 0;
+ if (eventType == "xcb_generic_event_t") {
+ xcb_generic_event_t *ev = static_cast<xcb_generic_event_t *>(message);
+ if ((ev->response_type & 127) == XCB_KEY_PRESS)
+ kev = static_cast<xcb_key_press_event_t *>(message);
+ }
+
+ if (kev != 0) {
+ unsigned int keycode = kev->detail;
+ unsigned int keystate = 0;
+ if(kev->state & XCB_MOD_MASK_1)
+ keystate |= Mod1Mask;
+ if(kev->state & XCB_MOD_MASK_CONTROL)
+ keystate |= ControlMask;
+ if(kev->state & XCB_MOD_MASK_4)
+ keystate |= Mod4Mask;
+ if(kev->state & XCB_MOD_MASK_SHIFT)
+ keystate |= ShiftMask;
+#endif
+ activateShortcut(keycode,
+ // Mod1Mask == Alt, Mod4Mask == Meta
+ keystate & (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::MetaModifier)
+ //if (modifiers & Qt::KeypadModifier)
+ //if (modifiers & Qt::GroupSwitchModifier)
+ return native;
+}
+
+quint32 QxtGlobalShortcutPrivate::nativeKeycode(Qt::Key key)
+{
+ QxtX11Data x11;
+ if (!x11.isValid())
+ return 0;
+
+ KeySym keysym = XStringToKeysym(QKeySequence(key).toString().toLatin1().data());
+ if (keysym == NoSymbol)
+ keysym = static_cast<ushort>(key);
+
+ return XKeysymToKeycode(x11.display(), keysym);
+}
+
+bool QxtGlobalShortcutPrivate::registerShortcut(quint32 nativeKey, quint32 nativeMods)
+{
+ QxtX11Data x11;
+ return x11.isValid() && x11.grabKey(nativeKey, nativeMods, x11.rootWindow());
+}
+
+bool QxtGlobalShortcutPrivate::unregisterShortcut(quint32 nativeKey, quint32 nativeMods)
+{
+ QxtX11Data x11;
+ return x11.isValid() && x11.ungrabKey(nativeKey, nativeMods, x11.rootWindow());
+}
+#endif