Add common session handling infrastructure for dialogs.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22061 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt4/Dialog.cpp

@@ -13,6 +13,7 @@
 #include "Dialog.h"
 
 #include "GuiView.h"
+#include "qt_helpers.h"
 
 #include "Buffer.h"
 #include "FuncRequest.h"
@@ -21,6 +22,9 @@
 
 #include "support/debug.h"
 
+#include <QSettings>
+#include <QString>
+
 #include <string>
 
 using namespace std;
@@ -241,5 +245,27 @@ void Dialog::checkStatus()
 		enableView(false);
 }
 
+
+QString Dialog::sessionKey() const
+{
+	return "view-" + QString::number(lyxview_->id())
+		+ "/" + toqstr(name());
+}
+
+
+void Dialog::saveSession() const
+{
+	QSettings settings;
+	settings.setValue(sessionKey() + "/geometry", asQWidget()->saveGeometry());
+}
+
+
+void Dialog::restoreSession()
+{
+	QSettings settings;
+	asQWidget()->restoreGeometry(
+		settings.value(sessionKey() + "/geometry").toByteArray());
+}
+
 } // namespace frontend
 } // namespace lyx

src/frontends/qt4/Dialog.h

@@ -16,6 +16,7 @@
 
 #include <string>
 
+class QString;
 class QWidget;
 
 namespace lyx {
@@ -56,6 +57,26 @@ public:
 	virtual QWidget * asQWidget() = 0;
 	virtual QWidget const * asQWidget() const = 0;
 
+	/// Session key.
+	/**
+	 * This key must be used for any session setting.
+	 **/
+	QString sessionKey() const;
+
+	/// Save session settings.
+	/**
+	 * This default implementation saves the geometry state.
+	 * Reimplement to save more settings.
+	 **/
+	virtual void saveSession() const;
+
+	/// Restore session settings.
+	/**
+	 * This default implementation restores the geometry state.
+	 * Reimplement to restore more settings.
+	 **/
+	virtual void restoreSession();
+
 	/** \name Container Access
 	 *  These methods are publicly accessible because they are invoked
 	 *  by the parent container acting on commands from the LyX kernel.

src/frontends/qt4/DialogView.cpp

@@ -16,7 +16,6 @@
 #include "qt_helpers.h"
 
 #include <QCloseEvent>
-#include <QSettings>
 #include <QShowEvent>
 
 
@@ -33,24 +32,6 @@ void DialogView::setViewTitle(docstring const & title)
 	setWindowTitle("LyX: " + toqstr(title));
 }
 
-
-void DialogView::showEvent(QShowEvent * e)
-{
-	QSettings settings;
-	QString key = toqstr(name()) + "/geometry";
-	restoreGeometry(settings.value(key).toByteArray());
-	QDialog::showEvent(e);
-}
-
-
-void DialogView::closeEvent(QCloseEvent * e)
-{
-	QSettings settings;
-	QString key = toqstr(name()) + "/geometry";
-	settings.setValue(key, saveGeometry());
-	QDialog::closeEvent(e);
-}
-
 } // namespace frontend
 } // namespace lyx
 

src/frontends/qt4/DialogView.h

@@ -39,14 +39,9 @@ public:
 	virtual QWidget * asQWidget() { return this; }
 	virtual QWidget const * asQWidget() const { return this; }
 
-public:
+protected:
 	///
 	void setViewTitle(docstring const & title);
-
-	///
-	void closeEvent(QCloseEvent *);
-	///
-	void showEvent(QShowEvent *);
 };
 
 } // namespace frontend

src/frontends/qt4/DockView.h

@@ -14,8 +14,6 @@
 
 #include "Dialog.h"
 #include "GuiView.h"
-#include "qt_helpers.h"
-#include "support/debug.h"
 
 #include <QDockWidget>
 
@@ -23,8 +21,11 @@ namespace lyx {
 namespace frontend {
 
 /// Dock Widget container for LyX dialogs.
-/// This template class that encapsulates a given Widget inside a
-/// QDockWidget and presents a Dialog interface
+/**
+ * This template class that encapsulates a given Widget inside a
+ * QDockWidget and presents a Dialog interface
+ * FIXME: create a DockView.cpp file
+ **/
 class DockView : public QDockWidget, public Dialog
 {
 public:

src/frontends/qt4/GuiProgress.cpp

@@ -13,6 +13,8 @@
 
 #include "GuiProgress.h"
 
+#include "qt_helpers.h"
+
 #include "support/Systemcall.h"
 
 #include <QApplication>
@@ -27,7 +29,7 @@ GuiProgress::GuiProgress(GuiView & parent, Qt::DockWidgetArea area,
 {
 	setWindowTitle(qt_("LaTeX Progress"));
 	setWidget(&text_edit);
-	lyx::support::Systemcall::registerProgressInterface(this);
+	support::Systemcall::registerProgressInterface(this);
 }
 
 

src/frontends/qt4/GuiView.cpp

@@ -421,6 +421,10 @@ void GuiView::closeEvent(QCloseEvent * close_event)
 #endif
 		settings.setValue(key + "/icon_size", iconSize());
 		d.toolbars_->saveToolbarInfo();
+		// Now take care of all other dialogs:
+		std::map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
+		for (; it!= d.dialogs_.end(); ++it)
+			it->second->saveSession();
 	}
 
 	guiApp->unregisterView(id_);
@@ -1619,8 +1623,11 @@ Dialog * GuiView::find_or_build(string const & name)
 	if (it != d.dialogs_.end())
 		return it->second.get();
 
-	d.dialogs_[name].reset(build(name));
-	return d.dialogs_[name].get();
+	Dialog * dialog = build(name);
+	d.dialogs_[name].reset(dialog);
+	if (lyxrc.allow_geometry_session)
+		dialog->restoreSession();
+	return dialog;
 }