CMakeLists.txt

@@ -812,6 +812,7 @@ if(LYX_USE_QT MATCHES "QT6|QT5")
 			Qt5_wrap_ui(${ARGN})
 		endmacro()
 	endif()
+	# set QPA_XCB if QT uses X11
 	find_package(${QtVal}Core CONFIG REQUIRED)
 	if (${QtVal}Core_FOUND)
 		find_package(${QtVal}Widgets CONFIG REQUIRED)
@@ -1185,7 +1186,6 @@ get_data_destination(dest_data)
 list(APPEND tmp_vi "  LyX files dir:           ${CMAKE_INSTALL_PREFIX}/${dest_data}")
 string(REPLACE ";" "\\n" VERSION_INFO "${tmp_vi}")
 
-# the result XCB_LIBRARY will be used in src/CMakeLists.txt and also in configuring config.h
 find_library(XCB_LIBRARY NAMES xcb)
 if (XCB_LIBRARY)
   set(HAVE_LIBXCB 1 CACHE BOOL "" FORCE)

development/cmake/ConfigureChecks.cmake

@@ -275,6 +275,7 @@ else()
   endif()
 endif()
 
+set(QPA_XCB)
 set(HAVE_QT5_X11_EXTRAS)
 set(HAVE_QT6_X11_EXTRAS)
 if (LYX_USE_QT MATCHES "QT5|QT6")
@@ -311,6 +312,10 @@ if (LYX_USE_QT MATCHES "QT5|QT6")
       }
       "
       QT_USES_X11)
+    if(QT_USES_X11 AND NOT LYX_USE_QT MATCHES "QT6")
+      set(QPA_XCB ${QT_USES_X11})
+      message(STATUS "Found QPA_XCB = ${QPA_XCB}")
+    endif()
   endif()
 
   if (${QtVal}X11Extras_FOUND)

development/cmake/config.h.cmake

@@ -64,6 +64,9 @@
 
 #cmakedefine Z_PREFIX 1
 
+// Defined if QT=QT5 uses X11
+#cmakedefine QPA_XCB 1
+
 // Define if you have the Qt5X11Extras module
 #cmakedefine HAVE_QT5_X11_EXTRAS 1
 

lib/RELEASE-NOTES

@@ -15,10 +15,6 @@
 
 !!!The following LyX functions have been changed in 2.5:
 
-- The funcion window_new does not take an optional <GEOMETRY>
-  parameter anymore. This only worked in windows and existed for
-  internal reasons.
-
 !!!The following LyX functions have been removed in 2.5:
 
 !!!The following LyX function has been added and then removed in 2.5 development cycle:

src/Buffer.cpp

@@ -803,6 +803,7 @@ int Buffer::id() const
 
 void Buffer::updateId()
 {
+	++d->id_;
 	for(Buffer * b : allRelatives())
 		++(b->d->id_);
 }

src/Buffer.h

@@ -661,11 +661,10 @@ public:
 	///
 	Undo const & undo() const;
 
-	/// Poor man versioning of the buffer (and its relatives).
+	/// poor man versioning of the buffer (and its relatives).
-	///  This is currently used by updateMacros() and Statistics::update().
 	int id() const;
 	/// change the id of this buffer and its relatives (indicating
-	/// something has changed).
+	/// something has changed). This is currently used by updateMacros().
 	void updateId();
 
 	/// This function is called when the buffer is changed.

src/LyXAction.cpp

@@ -4417,7 +4417,9 @@ void LyXAction::init()
  * \var lyx::FuncCode lyx::LFUN_WINDOW_NEW
  * \li Action: Creates new empty LyX window.
  * \li Notion: Already opened documents from the previous window can be found under View menu.
- * \li Syntax: window-new
+ * \li Syntax: window-new [<GEOMETRY>]
+ * \li Params: <GEOMETRY>: pass the geometry of the window. This parameter is currently
+                           accepted only on Windows platform.
  * \li Origin: Abdel, 21 Oct 2006
  * \endvar
  */

src/Text.cpp

@@ -4629,9 +4629,10 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 					int const n = (c == ' ' ? 4 : 1);
 					for (int i = 0; i < n
 						  && !par.empty() && par.getChar(0) == c; ++i) {
-						if (cur.pit() == pit && cur.pos() > 0)
+						if (cur.pit() == pit)
 							cur.posBackward();
-						if (cur.realAnchor().pit() == pit && cur.realAnchor().pos() > 0)
+						if (cur.realAnchor().pit() == pit
+							  && cur.realAnchor().pos() > 0 )
 							cur.realAnchor().backwardPos();
 						par.eraseChar(0, tc);
 					}

src/frontends/qt/GuiApplication.cpp

@@ -1771,7 +1771,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 	switch (cmd.action()) {
 
 	case LFUN_WINDOW_NEW:
-		createAndShowView();
+		createView(toqstr(cmd.argument()));
 		break;
 
 	case LFUN_WINDOW_CLOSE:
@@ -1811,7 +1811,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 		validateCurrentView();
 		if (!current_view_
 		   || (!lyxrc.open_buffers_in_tabs && current_view_->documentBufferView() != nullptr)) {
-			createView(); // keep hidden
+			createView(QString(), false); // keep hidden
 			current_view_->newDocument(to_utf8(cmd.argument()));
 			current_view_->show();
 			current_view_->activateWindow();
@@ -1826,7 +1826,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 		validateCurrentView();
 		if (!current_view_
 		   || (!lyxrc.open_buffers_in_tabs && current_view_->documentBufferView() != nullptr)) {
-			createAndShowView();
+			createView();
 			current_view_->newDocument(file, temp, true);
 			if (!current_view_->documentBufferView())
 				current_view_->close();
@@ -1850,7 +1850,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 			&& !is_open)) {
 			// We want the ui session to be saved per document and not per
 			// window number. The filename crc is a good enough identifier.
-			createAndShowView(support::checksum(fname));
+			createView(support::checksum(fname));
 			current_view_->openDocuments(fname, cmd.origin());
 			if (!current_view_->documentBufferView())
 				current_view_->close();
@@ -1873,7 +1873,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 	case LFUN_HELP_OPEN: {
 		// FIXME: create a new method shared with LFUN_FILE_OPEN.
 		if (current_view_ == nullptr)
-			createAndShowView();
+			createView();
 		string const arg = to_utf8(cmd.argument());
 		if (arg.empty()) {
 			current_view_->message(_("Missing argument"));
@@ -2263,7 +2263,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 		    || name == "progress" || name == "texinfo")
 		{
 			if (current_view_ == nullptr)
-				createAndShowView();
+				createView();
 		}
 	}
 	// fall through
@@ -2572,13 +2572,14 @@ bool GuiApplication::rtlContext() const
 }
 
 
-void GuiApplication::createAndShowView(int view_id)
+void GuiApplication::createView(int view_id)
 {
-	createView(true, view_id);
+	createView(QString(), true, view_id);
 }
 
 
-void GuiApplication::createView(bool autoShow, int view_id)
+void GuiApplication::createView(QString const & geometry_arg, bool autoShow,
+	int view_id)
 {
 	// release the keyboard which might have been grabbed by the global
 	// menubar on Mac to catch shortcuts even without any GuiView.
@@ -2602,6 +2603,44 @@ void GuiApplication::createView(bool autoShow, int view_id)
 		view->activateWindow();
 	}
 
+	if (!geometry_arg.isEmpty()) {
+#if defined(Q_OS_WIN) || defined(Q_CYGWIN_WIN)
+		int x, y;
+		int w, h;
+		QChar sx, sy;
+		QRegularExpression re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)){0,1}(?:([+-][0-9]*)){0,1}" );
+		QRegularExpressionMatch match = re.match(geometry_arg);
+		w = match.captured(1).toInt();
+		h = match.captured(2).toInt();
+		x = match.captured(3).toInt();
+		y = match.captured(4).toInt();
+		sx = match.captured(3).isEmpty() ? '+' : match.captured(3).at(0);
+		sy = match.captured(4).isEmpty() ? '+' : match.captured(4).at(0);
+
+		// Set initial geometry such that we can get the frame size.
+		view->setGeometry(x, y, w, h);
+		int framewidth = view->geometry().x() - view->x();
+		int titleheight = view->geometry().y() - view->y();
+		// Negative displacements must be interpreted as distances
+		// from the right or bottom screen borders.
+		if (sx == '-' || sy == '-') {
+			QRect rec = QGuiApplication::primaryScreen()->geometry();
+			if (sx == '-')
+				x += rec.width() - w - framewidth;
+			if (sy == '-')
+				y += rec.height() - h - titleheight;
+			view->setGeometry(x, y, w, h);
+		}
+		// Make sure that the left and top frame borders are visible.
+		if (view->x() < 0 || view->y() < 0) {
+			if (view->x() < 0)
+				x = framewidth;
+			if (view->y() < 0)
+				y = titleheight;
+			view->setGeometry(x, y, w, h);
+		}
+#endif
+	}
 	view->setFocus();
 }
 
@@ -2861,7 +2900,7 @@ void GuiApplication::restoreGuiSession()
 		if (!current_view_ || (!lyxrc.open_buffers_in_tabs
 			  && current_view_->documentBufferView() != nullptr)) {
 			string const & fname = file_name.absFileName();
-			createAndShowView(support::checksum(fname));
+			createView(support::checksum(fname));
 		}
 		current_view_->loadDocument(file_name, false);
 
@@ -3430,7 +3469,7 @@ void GuiApplication::onApplicationStateChanged(Qt::ApplicationState state)
 		/// cmd+tab only one QEvent::ApplicationStateChangeEvent event
 		if (d->views_.empty() && d->last_state_ == state) {
 			LYXERR(Debug::GUI, "Open new window...");
-			createAndShowView();
+			createView();
 		}
 		break;
 	}

src/frontends/qt/GuiApplication.h

@@ -132,12 +132,13 @@ public:
 #endif
 	//@}
 
-	/// Create the main window
+	/// Create the main window with given geometry settings.
-	/// \param autoShow: show the created window
+	/// \param geometry_arg: only for Windows platform.
-	/// \param id: optional identifier.
+	/// \param optional id identifier.
-	void createView(bool autoShow = false, int id = 0);
+	void createView(QString const & geometry_arg = QString(),
-	/// Same as createView, but with \c autoShow = true
+		bool autoShow = true, int id = 0);
-	void createAndShowView(int id = 0);
+	/// FIXME: this method and the one above are quite ugly.
+	void createView(int id);
 	///
 	GuiView const * currentView() const { return current_view_; }
 	///