Merge 15b918eb6a into 9a544c5715

src/hotkeywrapper.cc

@@ -250,4 +250,329 @@ bool HotkeyWrapper::checkState( quint32 vk, quint32 mod )
   state2 = false;
   return false;
 }
+
+
+  #ifndef Q_OS_WIN
+
+  //////////////////////////////////////////////////////////////////////////
+
+    #include <X11/keysym.h>
+
+void HotkeyWrapper::init()
+{
+  keyToUngrab = grabbedKeys.end();
+
+    #if QT_VERSION < 0x060000
+  Display * displayID = QX11Info::display();
+    #else
+  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+  Display * displayID                            = x11AppInfo->display();
+    #endif
+
+  // We use RECORD extension instead of XGrabKey. That's because XGrabKey
+  // prevents other clients from getting their input if it's grabbed.
+
+  Display * display = displayID;
+
+  lShiftCode = XKeysymToKeycode( display, XK_Shift_L );
+  rShiftCode = XKeysymToKeycode( display, XK_Shift_R );
+
+  lCtrlCode = XKeysymToKeycode( display, XK_Control_L );
+  rCtrlCode = XKeysymToKeycode( display, XK_Control_R );
+
+  lAltCode = XKeysymToKeycode( display, XK_Alt_L );
+  rAltCode = XKeysymToKeycode( display, XK_Alt_R );
+
+  lMetaCode = XKeysymToKeycode( display, XK_Super_L );
+  rMetaCode = XKeysymToKeycode( display, XK_Super_R );
+
+  cCode        = XKeysymToKeycode( display, XK_c );
+  insertCode   = XKeysymToKeycode( display, XK_Insert );
+  kpInsertCode = XKeysymToKeycode( display, XK_KP_Insert );
+
+  currentModifiers = 0;
+
+  // This one will be used to read the recorded content
+  dataDisplay = XOpenDisplay( 0 );
+
+  if ( !dataDisplay )
+    throw exInit();
+
+  recordRange = XRecordAllocRange();
+
+  if ( !recordRange ) {
+    XCloseDisplay( dataDisplay );
+    throw exInit();
+  }
+
+  recordRange->device_events.first = KeyPress;
+  recordRange->device_events.last  = KeyRelease;
+  recordClientSpec                 = XRecordAllClients;
+
+  recordContext = XRecordCreateContext( display, 0, &recordClientSpec, 1, &recordRange, 1 );
+
+  if ( !recordContext ) {
+    XFree( recordRange );
+    XCloseDisplay( dataDisplay );
+    throw exInit();
+  }
+
+  // This is required to ensure context was indeed created
+  XSync( display, False );
+
+  connect( this, &HotkeyWrapper::keyRecorded, this, &HotkeyWrapper::checkState, Qt::QueuedConnection );
+
+  start();
+}
+
+void HotkeyWrapper::run() // Runs in a separate thread
+{
+  if ( !XRecordEnableContext( dataDisplay, recordContext, recordEventCallback, (XPointer)this ) )
+    qDebug( "Failed to enable record context" );
+}
+
+
+void HotkeyWrapper::recordEventCallback( XPointer ptr, XRecordInterceptData * data )
+{
+  ( (HotkeyWrapper *)ptr )->handleRecordEvent( data );
+}
+
+void HotkeyWrapper::handleRecordEvent( XRecordInterceptData * data )
+{
+  if ( data->category == XRecordFromServer ) {
+    xEvent * event = (xEvent *)data->data;
+
+    if ( event->u.u.type == KeyPress ) {
+      KeyCode key = event->u.u.detail;
+
+      if ( key == lShiftCode || key == rShiftCode )
+        currentModifiers |= ShiftMask;
+      else if ( key == lCtrlCode || key == rCtrlCode )
+        currentModifiers |= ControlMask;
+      else if ( key == lAltCode || key == rAltCode )
+        currentModifiers |= Mod1Mask;
+      else if ( key == lMetaCode || key == rMetaCode )
+        currentModifiers |= Mod4Mask;
+      else {
+        // Here we employ a kind of hack translating KP_Insert key
+        // to just Insert. This allows reacting to both Insert keys.
+        if ( key == kpInsertCode )
+          key = insertCode;
+
+        emit keyRecorded( key, currentModifiers );
+      }
+    }
+    else if ( event->u.u.type == KeyRelease ) {
+      KeyCode key = event->u.u.detail;
+
+      if ( key == lShiftCode || key == rShiftCode )
+        currentModifiers &= ~ShiftMask;
+      else if ( key == lCtrlCode || key == rCtrlCode )
+        currentModifiers &= ~ControlMask;
+      else if ( key == lAltCode || key == rAltCode )
+        currentModifiers &= ~Mod1Mask;
+      else if ( key == lMetaCode || key == rMetaCode )
+        currentModifiers &= ~Mod4Mask;
+    }
+  }
+
+  XRecordFreeData( data );
+}
+
+bool HotkeyWrapper::setGlobalKey( QKeySequence const & seq, int handle )
+{
+  Config::HotKey hk( seq );
+  return setGlobalKey( hk.key1, hk.key2, hk.modifiers, handle );
+}
+
+bool HotkeyWrapper::setGlobalKey( int key, int key2, Qt::KeyboardModifiers modifier, int handle )
+{
+  if ( !key )
+    return false; // We don't monitor empty combinations
+
+  int vk  = nativeKey( key );
+  int vk2 = key2 ? nativeKey( key2 ) : 0;
+
+  quint32 mod = 0;
+  if ( modifier & Qt::ShiftModifier )
+    mod |= ShiftMask;
+  if ( modifier & Qt::ControlModifier )
+    mod |= ControlMask;
+  if ( modifier & Qt::AltModifier )
+    mod |= Mod1Mask;
+  if ( modifier & Qt::MetaModifier )
+    mod |= Mod4Mask;
+
+  hotkeys.append( HotkeyStruct( vk, vk2, mod, handle, 0 ) );
+
+  if ( !isCopyToClipboardKey( vk, mod ) )
+    grabKey( vk, mod ); // Make sure it doesn't get caught by other apps
+
+  return true;
+}
+
+bool HotkeyWrapper::isCopyToClipboardKey( quint32 keyCode, quint32 modifiers ) const
+{
+  return modifiers == ControlMask && ( keyCode == cCode || keyCode == insertCode || keyCode == kpInsertCode );
+}
+
+bool HotkeyWrapper::isKeyGrabbed( quint32 keyCode, quint32 modifiers ) const
+{
+  GrabbedKeys::const_iterator i = grabbedKeys.find( std::make_pair( keyCode, modifiers ) );
+
+  return i != grabbedKeys.end();
+}
+
+namespace {
+
+using X11ErrorHandler = int ( * )( Display * display, XErrorEvent * event );
+
+class X11GrabUngrabErrorHandler
+{
+public:
+  static bool error;
+
+  static int grab_ungrab_error_handler( Display *, XErrorEvent * event )
+  {
+    qDebug() << "grab_ungrab_error_handler is invoked";
+    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;
+        }
+    }
+    return 0;
+  }
+
+  X11GrabUngrabErrorHandler()
+  {
+    error                 = false;
+    previousErrorHandler_ = XSetErrorHandler( grab_ungrab_error_handler );
+  }
+
+  ~X11GrabUngrabErrorHandler()
+  {
+    #if QT_VERSION < 0x060000
+    Display * displayID = QX11Info::display();
+    #else
+    QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+    Display * displayID                            = x11AppInfo->display();
+    #endif
+    XFlush( displayID );
+    (void)XSetErrorHandler( previousErrorHandler_ );
+  }
+
+  bool isError() const
+  {
+    #if QT_VERSION < 0x060000
+    Display * displayID = QX11Info::display();
+    #else
+    QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+    Display * displayID                            = x11AppInfo->display();
+    #endif
+    XFlush( displayID );
+    return error;
+  }
+
+private:
+  X11ErrorHandler previousErrorHandler_;
+};
+
+bool X11GrabUngrabErrorHandler::error = false;
+
+} // anonymous namespace
+
+
+HotkeyWrapper::GrabbedKeys::iterator HotkeyWrapper::grabKey( quint32 keyCode, quint32 modifiers )
+{
+  std::pair< GrabbedKeys::iterator, bool > result = grabbedKeys.insert( std::make_pair( keyCode, modifiers ) );
+
+
+  if ( result.second ) {
+    #if QT_VERSION < 0x060000
+    Display * displayID = QX11Info::display();
+    #else
+    QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+    Display * displayID                            = x11AppInfo->display();
+    #endif
+    X11GrabUngrabErrorHandler errorHandler;
+    XGrabKey( displayID, keyCode, modifiers, DefaultRootWindow( displayID ), True, GrabModeAsync, GrabModeAsync );
+
+    if ( errorHandler.isError() ) {
+      qWarning( "Possible hotkeys conflict. Check your hotkeys options." );
+      ungrabKey( result.first );
+    }
+  }
+
+  return result.first;
+}
+
+void HotkeyWrapper::ungrabKey( GrabbedKeys::iterator i )
+{
+    #if QT_VERSION < 0x060000
+  Display * displayID = QX11Info::display();
+    #else
+  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+  Display * displayID                            = x11AppInfo->display();
+    #endif
+  X11GrabUngrabErrorHandler errorHandler;
+  XUngrabKey( displayID, i->first, i->second, XDefaultRootWindow( displayID ) );
+
+  grabbedKeys.erase( i );
+
+  if ( errorHandler.isError() ) {
+    qWarning( "Cannot ungrab the hotkey" );
+  }
+}
+
+quint32 HotkeyWrapper::nativeKey( int key )
+{
+  QString keySymName;
+
+  switch ( key ) {
+    case Qt::Key_Insert:
+      keySymName = "Insert";
+      break;
+    default:
+      keySymName = QKeySequence( key ).toString();
+      break;
+  }
+    #if QT_VERSION < 0x060000
+  Display * displayID = QX11Info::display();
+    #else
+  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+  Display * displayID                            = x11AppInfo->display();
+    #endif
+  Display * display = displayID;
+  return XKeysymToKeycode( display, XStringToKeysym( keySymName.toLatin1().data() ) );
+}
+
+void HotkeyWrapper::unregister()
+{
+    #if QT_VERSION < 0x060000
+  Display * displayID = QX11Info::display();
+    #else
+  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
+  Display * displayID                            = x11AppInfo->display();
+    #endif
+  Display * display = displayID;
+
+  XRecordDisableContext( display, recordContext );
+  XSync( display, False );
+
+  wait();
+
+  XRecordFreeContext( display, recordContext );
+  XFree( recordRange );
+  XCloseDisplay( dataDisplay );
+
+  while ( grabbedKeys.size() )
+    ungrabKey( grabbedKeys.begin() );
+
+  ( static_cast< QHotkeyApplication * >( qApp ) )->unregisterWrapper( this );
+}
+
+  #endif
 #endif

src/hotkeywrapper.hh

@@ -1,14 +1,15 @@
 #pragma once
 
 /// @file
-/// Handling global hotkeys and some trick
-/// Part of this header is implemented in
-/// + `winhotkeywrapper`
-/// + `machotkeywrapper`
-/// + `x11hotkeywrapper`
+/// Handling global hotkeys and some tricks
+/// Part of this header are implmented in
+/// + `winhotkeywrapper.cc`
+/// + `machotkeywrapper.hh`
+///
 
 #include <QGuiApplication>
 #include <QThread>
+
 #include "config.hh"
 #include "ex.hh"
 #include "qtsingleapplication.h"
@@ -123,7 +124,7 @@ private:
   /// Called by recordEventCallback()
   void handleRecordEvent( XRecordInterceptData * );
 
-  void run() override; // QThread
+  void run(); // QThread
 
   // We do one-time init of those, translating keysyms to keycodes
   KeyCode lShiftCode, rShiftCode, lCtrlCode, rCtrlCode, lAltCode, rAltCode, cCode, insertCode, kpInsertCode, lMetaCode,

src/unix/x11hotkeywrapper.cc

@@ -1,309 +0,0 @@
-#ifdef HAVE_X11
-  #include "hotkeywrapper.hh"
-  #include <X11/keysym.h>
-
-//
-/// Previously impletended with XGrabKey
-/// Then reimplemented with X Record Extension Library
-///
-
-void HotkeyWrapper::init()
-{
-  keyToUngrab = grabbedKeys.end();
-
-  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-  Display * displayID                            = x11AppInfo->display();
-
-  // We use RECORD extension instead of XGrabKey. That's because XGrabKey
-  // prevents other clients from getting their input if it's grabbed.
-
-  Display * display = displayID;
-
-  lShiftCode = XKeysymToKeycode( display, XK_Shift_L );
-  rShiftCode = XKeysymToKeycode( display, XK_Shift_R );
-
-  lCtrlCode = XKeysymToKeycode( display, XK_Control_L );
-  rCtrlCode = XKeysymToKeycode( display, XK_Control_R );
-
-  lAltCode = XKeysymToKeycode( display, XK_Alt_L );
-  rAltCode = XKeysymToKeycode( display, XK_Alt_R );
-
-  lMetaCode = XKeysymToKeycode( display, XK_Super_L );
-  rMetaCode = XKeysymToKeycode( display, XK_Super_R );
-
-  cCode        = XKeysymToKeycode( display, XK_c );
-  insertCode   = XKeysymToKeycode( display, XK_Insert );
-  kpInsertCode = XKeysymToKeycode( display, XK_KP_Insert );
-
-  currentModifiers = 0;
-
-  // This one will be used to read the recorded content
-  dataDisplay = XOpenDisplay( 0 );
-
-  if ( !dataDisplay )
-    throw exInit();
-
-  recordRange = XRecordAllocRange();
-
-  if ( !recordRange ) {
-    XCloseDisplay( dataDisplay );
-    throw exInit();
-  }
-
-  recordRange->device_events.first = KeyPress;
-  recordRange->device_events.last  = KeyRelease;
-  recordClientSpec                 = XRecordAllClients;
-
-  recordContext = XRecordCreateContext( display, 0, &recordClientSpec, 1, &recordRange, 1 );
-
-  if ( !recordContext ) {
-    XFree( recordRange );
-    XCloseDisplay( dataDisplay );
-    throw exInit();
-  }
-
-  // This is required to ensure context was indeed created
-  XSync( display, False );
-
-  connect( this, &HotkeyWrapper::keyRecorded, this, &HotkeyWrapper::checkState, Qt::QueuedConnection );
-
-  start();
-}
-
-void HotkeyWrapper::run() // Runs in a separate thread
-{
-  if ( !XRecordEnableContext( dataDisplay, recordContext, recordEventCallback, (XPointer)this ) )
-    qDebug( "Failed to enable record context" );
-}
-
-
-void HotkeyWrapper::recordEventCallback( XPointer ptr, XRecordInterceptData * data )
-{
-  ( (HotkeyWrapper *)ptr )->handleRecordEvent( data );
-}
-
-void HotkeyWrapper::handleRecordEvent( XRecordInterceptData * data )
-{
-  if ( data->category == XRecordFromServer ) {
-    xEvent * event = (xEvent *)data->data;
-
-    if ( event->u.u.type == KeyPress ) {
-      KeyCode key = event->u.u.detail;
-
-      if ( key == lShiftCode || key == rShiftCode )
-        currentModifiers |= ShiftMask;
-      else if ( key == lCtrlCode || key == rCtrlCode )
-        currentModifiers |= ControlMask;
-      else if ( key == lAltCode || key == rAltCode )
-        currentModifiers |= Mod1Mask;
-      else if ( key == lMetaCode || key == rMetaCode )
-        currentModifiers |= Mod4Mask;
-      else {
-        // Here we employ a kind of hack translating KP_Insert key
-        // to just Insert. This allows reacting to both Insert keys.
-        if ( key == kpInsertCode )
-          key = insertCode;
-
-        emit keyRecorded( key, currentModifiers );
-      }
-    }
-    else if ( event->u.u.type == KeyRelease ) {
-      KeyCode key = event->u.u.detail;
-
-      if ( key == lShiftCode || key == rShiftCode )
-        currentModifiers &= ~ShiftMask;
-      else if ( key == lCtrlCode || key == rCtrlCode )
-        currentModifiers &= ~ControlMask;
-      else if ( key == lAltCode || key == rAltCode )
-        currentModifiers &= ~Mod1Mask;
-      else if ( key == lMetaCode || key == rMetaCode )
-        currentModifiers &= ~Mod4Mask;
-    }
-  }
-
-  XRecordFreeData( data );
-}
-
-bool HotkeyWrapper::setGlobalKey( QKeySequence const & seq, int handle )
-{
-  Config::HotKey hk( seq );
-  return setGlobalKey( hk.key1, hk.key2, hk.modifiers, handle );
-}
-
-bool HotkeyWrapper::setGlobalKey( int key, int key2, Qt::KeyboardModifiers modifier, int handle )
-{
-  if ( !key )
-    return false; // We don't monitor empty combinations
-
-  int vk  = nativeKey( key );
-  int vk2 = key2 ? nativeKey( key2 ) : 0;
-
-  quint32 mod = 0;
-  if ( modifier & Qt::ShiftModifier )
-    mod |= ShiftMask;
-  if ( modifier & Qt::ControlModifier )
-    mod |= ControlMask;
-  if ( modifier & Qt::AltModifier )
-    mod |= Mod1Mask;
-  if ( modifier & Qt::MetaModifier )
-    mod |= Mod4Mask;
-
-  hotkeys.append( HotkeyStruct( vk, vk2, mod, handle, 0 ) );
-
-  if ( !isCopyToClipboardKey( vk, mod ) )
-    grabKey( vk, mod ); // Make sure it doesn't get caught by other apps
-
-  return true;
-}
-
-bool HotkeyWrapper::isCopyToClipboardKey( quint32 keyCode, quint32 modifiers ) const
-{
-  return modifiers == ControlMask && ( keyCode == cCode || keyCode == insertCode || keyCode == kpInsertCode );
-}
-
-bool HotkeyWrapper::isKeyGrabbed( quint32 keyCode, quint32 modifiers ) const
-{
-  GrabbedKeys::const_iterator i = grabbedKeys.find( std::make_pair( keyCode, modifiers ) );
-
-  return i != grabbedKeys.end();
-}
-
-namespace {
-
-using X11ErrorHandler = int ( * )( Display * display, XErrorEvent * event );
-
-class X11GrabUngrabErrorHandler
-{
-public:
-  static bool error;
-
-  static int grab_ungrab_error_handler( Display *, XErrorEvent * event )
-  {
-    qDebug() << "grab_ungrab_error_handler is invoked";
-    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;
-        }
-    }
-    return 0;
-  }
-
-  X11GrabUngrabErrorHandler()
-  {
-    error                 = false;
-    previousErrorHandler_ = XSetErrorHandler( grab_ungrab_error_handler );
-  }
-
-  ~X11GrabUngrabErrorHandler()
-  {
-
-    QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-
-    Display * displayID = x11AppInfo->display();
-
-    XFlush( displayID );
-    (void)XSetErrorHandler( previousErrorHandler_ );
-  }
-
-  bool isError() const
-  {
-
-    QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-
-    Display * displayID = x11AppInfo->display();
-
-    XFlush( displayID );
-    return error;
-  }
-
-private:
-  X11ErrorHandler previousErrorHandler_;
-};
-
-bool X11GrabUngrabErrorHandler::error = false;
-
-} // anonymous namespace
-
-
-HotkeyWrapper::GrabbedKeys::iterator HotkeyWrapper::grabKey( quint32 keyCode, quint32 modifiers )
-{
-  std::pair< GrabbedKeys::iterator, bool > result = grabbedKeys.insert( std::make_pair( keyCode, modifiers ) );
-
-
-  if ( result.second ) {
-
-    QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-
-    Display * displayID = x11AppInfo->display();
-
-    X11GrabUngrabErrorHandler errorHandler;
-    XGrabKey( displayID, keyCode, modifiers, DefaultRootWindow( displayID ), True, GrabModeAsync, GrabModeAsync );
-
-    if ( errorHandler.isError() ) {
-      qWarning( "Possible hotkeys conflict. Check your hotkeys options." );
-      ungrabKey( result.first );
-    }
-  }
-
-  return result.first;
-}
-
-void HotkeyWrapper::ungrabKey( GrabbedKeys::iterator i )
-{
-
-  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-
-  Display * displayID = x11AppInfo->display();
-  X11GrabUngrabErrorHandler errorHandler;
-  XUngrabKey( displayID, i->first, i->second, XDefaultRootWindow( displayID ) );
-
-  grabbedKeys.erase( i );
-
-  if ( errorHandler.isError() ) {
-    qWarning( "Cannot ungrab the hotkey" );
-  }
-}
-
-quint32 HotkeyWrapper::nativeKey( int key )
-{
-  QString keySymName;
-
-  switch ( key ) {
-    case Qt::Key_Insert:
-      keySymName = "Insert";
-      break;
-    default:
-      keySymName = QKeySequence( key ).toString();
-      break;
-  }
-
-  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-
-  Display * display = x11AppInfo->display();
-  return XKeysymToKeycode( display, XStringToKeysym( keySymName.toLatin1().data() ) );
-}
-
-void HotkeyWrapper::unregister()
-{
-  QNativeInterface::QX11Application * x11AppInfo = qApp->nativeInterface< QNativeInterface::QX11Application >();
-  Display * display                              = x11AppInfo->display();
-
-  XRecordDisableContext( display, recordContext );
-  XSync( display, False );
-
-  wait();
-
-  XRecordFreeContext( display, recordContext );
-  XFree( recordRange );
-  XCloseDisplay( dataDisplay );
-
-  while ( grabbedKeys.size() )
-    ungrabKey( grabbedKeys.begin() );
-
-  ( static_cast< QHotkeyApplication * >( qApp ) )->unregisterWrapper( this );
-}
-
-#endif