Add missing initialization

[lyx.git] / src / frontends / qt4 / GuiKeySymbol.cpp

diff --git a/src/frontends/qt4/GuiKeySymbol.cpp b/src/frontends/qt4/GuiKeySymbol.cpp
index 27b593bb705ff75f6a4afb9992e5b0deb2934b76..ef9425deb1c72bcf0a7098b08804c35393f3dab5 100644 (file)
--- a/src/frontends/qt4/GuiKeySymbol.cpp
+++ b/src/frontends/qt4/GuiKeySymbol.cpp
@@ -11,6 +11,7 @@
 #include <config.h>
 
 #include "KeySymbol.h"
+#include "GuiApplication.h"
 
 #include "qt_helpers.h"
 
@@ -64,7 +65,7 @@ static int string_to_qkey(std::string const & str)
 
        if (str == "Escape") return Qt::Key_Escape;
        if (str == "Tab") return Qt::Key_Tab;
-       if (str == "ISO_Left_Tab") return Qt::Key_Tab;
+       if (str == "ISO_Left_Tab") return Qt::Key_Backtab;
        if (str == "BackSpace") return Qt::Key_Backspace;
        if (str == "Return") return Qt::Key_Return;
        if (str == "KP_Enter") return Qt::Key_Enter; // correct ?
@@ -611,7 +612,7 @@ static char encode(string const & encoding, QString const & str)
 #endif
 
 
-void setKeySymbol(KeySymbol * sym, QKeyEvent * ev)
+void setKeySymbol(KeySymbol * sym, QKeyEvent const * ev)
 {
        sym->setKey(ev->key());
        if (ev->text().isNull()) {
@@ -704,7 +705,7 @@ docstring const KeySymbol::print(KeyModifier mod, bool forgui) const
        if (forgui)
                str = seq.toString(QKeySequence::NativeText);
        else {
-#ifdef Q_WS_MACX
+#ifdef Q_OS_MAC
                // Qt/Mac does not use Command and friends in the
                // portable case, but the windows-like Control+x (bug 5421).
                str = seq.toString(QKeySequence::NativeText);
@@ -744,14 +745,24 @@ bool KeySymbol::operator==(KeySymbol const & ks) const
 KeyModifier q_key_state(Qt::KeyboardModifiers state)
 {
        KeyModifier k = NoModifier;
-       if (state & Qt::ControlModifier)
+#if defined(Q_OS_MAC) && QT_VERSION > 0x050000
+       /// Additional check for Control and Meta modifier swap state.
+       /// Starting with Qt 5 the modifiers aren't reported correctly.
+       /// Until this is fixed a correction is required.
+       const bool dontSwapCtrlAndMeta =
+               frontend::theGuiApp()->testAttribute(Qt::AA_MacDontSwapCtrlAndMeta);
+#else
+       const bool dontSwapCtrlAndMeta = false;
+#endif
+
+       if (state & (dontSwapCtrlAndMeta ? Qt::MetaModifier : Qt::ControlModifier))
                k |= ControlModifier;
        if (state & Qt::ShiftModifier)
                k |= ShiftModifier;
        if (state & Qt::AltModifier)
                k |= AltModifier;
 #if defined(USE_MACOSX_PACKAGING) || defined(USE_META_KEYBINDING)
-       if (state & Qt::MetaModifier)
+       if (state & (dontSwapCtrlAndMeta ? Qt::ControlModifier : Qt::MetaModifier))
                k |= MetaModifier;
 #else
        if (state & Qt::MetaModifier)