X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fqt4%2FGuiApplication.h;h=de6013d4c7e691fa127e128d9de5a37fcc0fbcb3;hb=1f10969bb5c5f36017bf5ba8671381b09945cf57;hp=d1a10784b8bf4c476e04590919a30ade0468aaa5;hpb=1a1c9dba4caa4c2dfe9c0f22ebf3c57ea4c835c3;p=lyx.git

diff --git a/src/frontends/qt4/GuiApplication.h b/src/frontends/qt4/GuiApplication.h
index d1a10784b8..de6013d4c7 100644
--- a/src/frontends/qt4/GuiApplication.h
+++ b/src/frontends/qt4/GuiApplication.h
@@ -14,15 +14,18 @@
 #define GUIAPPLICATION_H
 
 #include "frontends/Application.h"
+#include "support/filetools.h"
 
 #include <QApplication>
 #include <QList>
+#ifdef QPA_XCB
+#include <QAbstractNativeEventFilter>
+#endif
 
 class QAbstractItemModel;
 class QIcon;
-class QObject;
 class QSessionManager;
-class QSortFilterProxyModel;
+class QFont;
 
 namespace lyx {
 
@@ -37,7 +40,6 @@ class FileName;
 namespace frontend {
 
 class GuiView;
-class GlobalMenuBar;
 class GuiWorkArea;
 class Menus;
 class SocketNotifier;
@@ -49,6 +51,9 @@ There should be only one instance of this class. No Qt object
 initialisation should be done before the instantiation of this class.
 */
 class GuiApplication : public QApplication, public Application
+#ifdef QPA_XCB
+		     , public QAbstractNativeEventFilter
+#endif
 {
 	Q_OBJECT
 
@@ -58,7 +63,7 @@ public:
 
 	/// \name Methods inherited from Application class
 	//@{
-	void dispatch(FuncRequest const &);
+	DispatchResult const & dispatch(FuncRequest const &);
 	void dispatch(FuncRequest const &, DispatchResult & dr);
 	FuncStatus getStatus(FuncRequest const & cmd) const;
 	void restoreGuiSession();
@@ -103,6 +108,9 @@ public:
 	void commitData(QSessionManager & sm);
 #ifdef Q_WS_X11
 	bool x11EventFilter(XEvent * ev);
+#elif defined(QPA_XCB)
+	virtual bool nativeEventFilter(const QByteArray & eventType, void * message,
+	                               long * result) Q_DECL_OVERRIDE;
 #endif
 	//@}
 
@@ -138,10 +146,27 @@ public:
 
 	/// return a suitable monospaced font name.
 	QString const typewriterFontName();
+	QFont const typewriterSystemFont();
+
 	///
 	void unregisterView(GuiView * gv);
 	///
 	GuiView & view(int id) const;
+
+	/// Current ratio between physical pixels and device-independent pixels
+	double pixelRatio() const;
+
+	/// How to load image files
+	support::search_mode imageSearchMode() const {
+#if QT_VERSION >= 0x050000
+		return pixelRatio() > 1 ? support::check_hidpi : support::must_exist;
+#else
+		return support::must_exist;
+#endif
+	}
+
+	/// return true if the key is part of a shortcut
+	bool queryKeySym(KeySymbol const & key, KeyModifier state) const;
 	///
 	void processKeySym(KeySymbol const & key, KeyModifier state);
 	/// return the status bar state string
@@ -169,6 +194,14 @@ public:
 	///		not the current buffer
 	void gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer);
 
+	/// Start a long operation with some cancel possibility (button or ESC)
+	void startLongOperation();
+	/// This needs to be periodically called to avoid freezing the GUI
+	bool longOperationCancelled();
+	/// Stop the long operation mode (i.e., release the GUI)
+	void stopLongOperation();
+	/// A started long operation is still in progress ?
+	bool longOperationStarted();
 private Q_SLOTS:
 	///
 	void execBatchCommands();
@@ -185,7 +218,12 @@ private:
 	///
 	void validateCurrentView();
 	///
+	void updateCurrentView(FuncRequest const & cmd, DispatchResult & dr);
+	///
 	bool closeAllViews();
+	/// Things that need to be done when the OSes session manager
+	/// requests a log out.
+	bool prepareAllViewsForLogout();
 	/// read the given ui (menu/toolbar) file
 	bool readUIFile(QString const & name, bool include = false);
 	///
@@ -216,7 +254,12 @@ extern GuiApplication * guiApp;
 QString iconName(FuncRequest const & f, bool unknown);
 
 /// \return the pixmap for the given path, name and extension.
+/// in case of errors a warning is produced and an empty pixmap is returned.
 QPixmap getPixmap(QString const & path, QString const & name, QString const & ext);
+/// Load the file at \param path and convert it to a pixmap.
+/// \return true on success otherwise invalidate the pixmap and return false.
+/// The caller is responsible for error reporting.
+bool getPixmap(QPixmap & pixmap, QString const & path);
 
 /// \return an icon for the given action.
 QIcon getIcon(FuncRequest const & f, bool unknown);