Interrupt auto-type if the focused window changed meanwhile

Update changelog

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@332 b624d157-de02-0410-bad0-e51aec6abb33

src/Kdb3Database.cpp

@@ -1456,7 +1456,9 @@ bool Kdb3Database::save(){
 	int size = EncryptedPartSize+DB_HEADER_SIZE;
 	
 	if (!File->resize(size)){
+		// only recreate file if the new database is smaller
 		if (File->size() > size) {
+			qDebug("Unable to resize, trying to recreate file");
 			if (!File->remove() || !File->open(QIODevice::ReadWrite)) {
 				delete [] buffer;
 				error=decodeFileError(File->error());

src/dialogs/AutoTypeDlg.cpp

@@ -19,7 +19,11 @@
 #include <QDesktopWidget>
 #include "AutoTypeDlg.h"
 
+bool AutoTypeDlg::dialogVisible = false;
+
 AutoTypeDlg::AutoTypeDlg(QList<IEntryHandle*> entries, QList<int> numbers, bool wasLocked) : pWasLocked(wasLocked){
+	Q_ASSERT(!dialogVisible);
+	dialogVisible = true;
 	setupUi(this);
 	
 	setAttribute(Qt::WA_DeleteOnClose);
@@ -86,8 +90,14 @@ void AutoTypeDlg::paintEvent(QPaintEvent* event){
 }
 
 void AutoTypeDlg::resizeEvent(QResizeEvent* event){
-	Q_UNUSED(event);
 	createBanner(&BannerPixmap,getPixmap("keepassx_large"),tr("Auto-Type"),width());
+	QWidget::resizeEvent(event);
+}
+
+void AutoTypeDlg::closeEvent(QCloseEvent* event) {
+	Q_ASSERT(dialogVisible);
+	dialogVisible = false;
+	QWidget::closeEvent(event);
 }
 
 bool AutoTypeDlg::event(QEvent* event){

src/dialogs/AutoTypeDlg.h

@@ -25,10 +25,12 @@ class AutoTypeDlg : public QWidget, private Ui::AutoTypeDlg
 	
 	public:
 		AutoTypeDlg(QList<IEntryHandle*> entries, QList<int> numbers, bool wasLocked);
+		inline static bool isDialogVisible() { return dialogVisible; };
 	
 	protected:
 		void paintEvent(QPaintEvent* event);
 		void resizeEvent(QResizeEvent* event);
+		void closeEvent(QCloseEvent* event);
 		bool event(QEvent* event);
 	
 	private slots:
@@ -43,4 +45,5 @@ class AutoTypeDlg : public QWidget, private Ui::AutoTypeDlg
 		QHash<QTreeWidgetItem*,AutoTypeEntry> itemToEntry;
 		QPixmap BannerPixmap;
 		bool pWasLocked;
+		static bool dialogVisible;
 };

src/lib/AutoTypeGlobalX11.cpp

@@ -38,6 +38,8 @@ AutoTypeGlobalX11::AutoTypeGlobalX11(KeepassMainWindow* mainWin) : AutoTypeX11(m
 	focusedWindow = 0;
 	oldCode = 0;
 	oldMod = 0;
+	inGlobalAutoType = false;
+	
 	//windowBlacklist << "kicker" << "KDE Desktop";
 	classBlacklist << "desktop_window" << "gnome-panel"; // Gnome
 	classBlacklist << "kdesktop" << "kicker"; // KDE 3
@@ -51,11 +53,21 @@ void AutoTypeGlobalX11::updateKeymap() {
 }
 
 void AutoTypeGlobalX11::perform(IEntryHandle* entry, bool hideWindow, int nr, bool wasLocked){
+	if (inGlobalAutoType)
+		return;
+	inGlobalAutoType = true;
+	
 	if (focusedWindow && (!hideWindow || wasLocked)) { // detect if global auto-type
 		XSetInputFocus(dpy, focusedWindow, RevertToPointerRoot, CurrentTime);
 		focusedWindow = 0;
 	}
+	else {
+		focusWindow = NULL;
+	}
+	
 	AutoTypeX11::perform(entry, hideWindow, nr, wasLocked);
+	
+	inGlobalAutoType = false;
 }
 
 void AutoTypeGlobalX11::windowTitles(Window window, QStringList& titleList){
@@ -95,12 +107,13 @@ void AutoTypeGlobalX11::windowTitles(Window window, QStringList& titleList){
 	Window* children = NULL;
 	unsigned int num_children;
 	int tree = XQueryTree(dpy, window, &root, &parent, &children, &num_children);
-	if (tree && children){
+	if (tree && children) {
 		for (uint i=0; i<num_children; i++)
 			windowTitles(children[i], titleList);
 	}
-	else
+	else {
 		XFree(children);
+	}
 }
  
  QStringList AutoTypeGlobalX11::getAllWindowTitles(){
@@ -111,6 +124,13 @@ void AutoTypeGlobalX11::windowTitles(Window window, QStringList& titleList){
 }
 
 void AutoTypeGlobalX11::performGlobal(){
+	if (AutoTypeDlg::isDialogVisible()) {
+		qWarning("Already performing auto-type, ignoring this one");
+		return;
+	}
+	
+	focusWindow = getFocusWindow();
+	
 	bool wasLocked = mainWin->isLocked();
 	if (wasLocked)
 		mainWin->OnUnLockWorkspace();

src/lib/AutoTypeGlobalX11.h

@@ -47,6 +47,7 @@ class AutoTypeGlobalX11 : public AutoTypeX11, public AutoTypeGlobal {
 		Window focusedWindow;
 		int oldCode;
 		uint oldMod;
+		bool inGlobalAutoType;
 };
 
 #endif // _AUTOTYPEGLOBALX11_H_

src/lib/AutoTypeX11.cpp

@@ -38,6 +38,7 @@ AutoTypeAction::AutoTypeAction(AutoTypeActionType t, KeySym d) : type(t), data(d
 AutoTypeX11::AutoTypeX11(KeepassMainWindow* mainWin) {
 	this->mainWin = mainWin;
 	dpy = QX11Info::display();
+	inAutoType = false;
 	
 	keysym_table = NULL;
 	alt_mask = 0;
@@ -57,7 +58,18 @@ void AutoTypeX11::updateKeymap() {
 		meta_mask = Mod4Mask;
 }
 
+Window AutoTypeX11::getFocusWindow() {
+	Window w;
+	int revert_to_return;
+	XGetInputFocus(dpy, &w, &revert_to_return);
+	return w;
+}
+
 void AutoTypeX11::perform(IEntryHandle* entry, bool hideWindow, int nr, bool wasLocked){
+	if (inAutoType)
+		return;
+	inAutoType = true;
+	
 	QString indexStr;
 	if (nr==0)
 		indexStr = "Auto-Type:";
@@ -130,8 +142,16 @@ void AutoTypeX11::perform(IEntryHandle* entry, bool hideWindow, int nr, bool was
 	QApplication::processEvents();
 	sleepTime(config->autoTypePreGap());
 	
+	if (!focusWindow)
+		focusWindow = getFocusWindow();
+	
 	QString type;
 	for(int i=0;i<Keys.size();i++){
+		if (focusWindow != getFocusWindow()) {
+			qWarning("Focus window changed, interrupting auto-type");
+			break;
+		}
+		
 		if (Keys[i].type==TypeKey){
 			SendKeyPressedEvent(Keys[i].data, 0);
 			sleepKeyStrokeDelay();
@@ -154,6 +174,9 @@ void AutoTypeX11::perform(IEntryHandle* entry, bool hideWindow, int nr, bool was
 		if (hideWindow && !(config->showSysTrayIcon() && config->minimizeTray()) )
 			mainWin->showMinimized();
 	}
+	
+	inAutoType = false;
+	focusWindow = NULL;
 }
 
 void AutoTypeX11::sleepTime(int msec){

src/lib/AutoTypeX11.h

@@ -53,6 +53,7 @@ class AutoTypeX11 : public AutoType {
 		void SendKeyPressedEvent(KeySym keysym, unsigned int shift);
 		void SendEvent(XKeyEvent *event);
 		static int MyErrorHandler(Display *my_dpy, XErrorEvent *event);
+		Window getFocusWindow();
 		
 		KeepassMainWindow* mainWin;
 		Display* dpy;
@@ -65,6 +66,10 @@ class AutoTypeX11 : public AutoType {
 		int altgr_mask;
 		KeySym altgr_keysym;
 		bool reReadKeymap;
+		Window focusWindow;
+	
+	private:
+		bool inAutoType;
 };
 
 #endif // _AUTOTYPEX11_H_