Add scan popup flag

After select a word, show a flag window, click the flag to show
popup window.

config.cc

@@ -109,6 +109,9 @@ Preferences::Preferences():
   scanPopupUseIAccessibleEx( true ),
   scanPopupUseGDMessage( true ),
   scanToMainWindow( false ),
+#ifdef HAVE_X11
+  showScanFlag( false ),
+#endif
   pronounceOnLoadMain( false ),
   pronounceOnLoadPopup( false ),
 #ifndef DISABLE_INTERNAL_PLAYER
@@ -758,6 +761,9 @@ Class load() throw( exError )
     if ( !preferences.namedItem( "scanPopupAltModeSecs" ).isNull() )
       c.preferences.scanPopupAltModeSecs = preferences.namedItem( "scanPopupAltModeSecs" ).toElement().text().toUInt();
     c.preferences.scanToMainWindow = ( preferences.namedItem( "scanToMainWindow" ).toElement().text() == "1" );
+#ifdef HAVE_X11
+    c.preferences.showScanFlag= ( preferences.namedItem( "showScanFlag" ).toElement().text() == "1" );
+#endif
     c.preferences.scanPopupUseUIAutomation = ( preferences.namedItem( "scanPopupUseUIAutomation" ).toElement().text() == "1" );
     c.preferences.scanPopupUseIAccessibleEx = ( preferences.namedItem( "scanPopupUseIAccessibleEx" ).toElement().text() == "1" );
     c.preferences.scanPopupUseGDMessage = ( preferences.namedItem( "scanPopupUseGDMessage" ).toElement().text() == "1" );
@@ -1622,6 +1628,12 @@ void save( Class const & c ) throw( exError )
     opt.appendChild( dd.createTextNode( c.preferences.scanToMainWindow ? "1":"0" ) );
     preferences.appendChild( opt );
 
+#ifdef HAVE_X11
+    opt = dd.createElement( "showScanFlag" );
+    opt.appendChild( dd.createTextNode( c.preferences.showScanFlag? "1":"0" ) );
+    preferences.appendChild( opt );
+#endif
+
     opt = dd.createElement( "scanPopupUseUIAutomation" );
     opt.appendChild( dd.createTextNode( c.preferences.scanPopupUseUIAutomation ? "1":"0" ) );
     preferences.appendChild( opt );

config.hh

@@ -214,6 +214,9 @@ struct Preferences
   bool scanPopupUseIAccessibleEx;
   bool scanPopupUseGDMessage;
   bool scanToMainWindow;
+#ifdef HAVE_X11
+  bool showScanFlag;
+#endif
 
   // Whether the word should be pronounced on page load, in main window/popup
   bool pronounceOnLoadMain, pronounceOnLoadPopup;

goldendict.pro

@@ -514,6 +514,12 @@ mac {
     SOURCES += texttospeechsource.cc
 }
 
+unix:!mac {
+    HEADERS += scanflag.hh
+    FORMS   += scanflag.ui
+    SOURCES += scanflag.cc
+}
+
 CONFIG( zim_support ) {
   DEFINES += MAKE_ZIM_SUPPORT
   LIBS += -llzma

preferences.cc

@@ -22,6 +22,9 @@ Preferences::Preferences( QWidget * parent, Config::Class & cfg_ ):
   connect( ui.enableScanPopupModifiers, SIGNAL( toggled( bool ) ),
            this, SLOT( enableScanPopupModifiersToggled( bool ) ) );
 
+  connect( ui.showScanFlag, SIGNAL( toggled( bool ) ),
+           this, SLOT( showScanFlagToggled( bool ) ) );
+
   connect( ui.altKey, SIGNAL( clicked( bool ) ),
            this, SLOT( wholeAltClicked( bool ) ) );
   connect( ui.ctrlKey, SIGNAL( clicked( bool ) ),
@@ -229,6 +232,12 @@ Preferences::Preferences( QWidget * parent, Config::Class & cfg_ ):
 //  ui.tabWidget->removeTab( 5 );
 #endif
 
+#ifdef HAVE_X11
+  ui.showScanFlag->setChecked( p.showScanFlag);
+#else
+  ui.showScanFlag->hide();
+#endif
+
   // Sound
 
   ui.pronounceOnLoadMain->setChecked( p.pronounceOnLoadMain );
@@ -366,6 +375,9 @@ Config::Preferences Preferences::getPreferences()
   p.scanPopupAltMode = ui.scanPopupAltMode->isChecked();
   p.scanPopupAltModeSecs = ui.scanPopupAltModeSecs->value();
   p.scanToMainWindow = ui.scanToMainWindow->isChecked();
+#ifdef HAVE_X11
+  p.showScanFlag= ui.showScanFlag->isChecked();
+#endif
   p.scanPopupUseUIAutomation = ui.scanPopupUseUIAutomation->isChecked();
   p.scanPopupUseIAccessibleEx = ui.scanPopupUseIAccessibleEx->isChecked();
   p.scanPopupUseGDMessage = ui.scanPopupUseGDMessage->isChecked();
@@ -507,6 +519,14 @@ void Preferences::enableScanPopupToggled( bool b )
 void Preferences::enableScanPopupModifiersToggled( bool b )
 {
   ui.scanPopupModifiers->setEnabled( b && ui.enableScanPopup->isChecked() );
+  if( b )
+    ui.showScanFlag->setChecked( false );
+}
+
+void Preferences::showScanFlagToggled( bool b )
+{
+  if( b )
+    ui.enableScanPopupModifiers->setChecked( false );
 }
 
 void Preferences::wholeAltClicked( bool b )

preferences.hh

@@ -33,6 +33,7 @@ private slots:
 
   void enableScanPopupToggled( bool );
   void enableScanPopupModifiersToggled( bool );
+  void showScanFlagToggled( bool b );
 
   void wholeAltClicked( bool );
   void wholeCtrlClicked( bool );

preferences.ui

@@ -679,6 +679,16 @@ seconds, which is specified here.</string>
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QCheckBox" name="showScanFlag">
+            <property name="toolTip">
+             <string>Show a flag window before showing popup window, click the flag to show popup window. </string>
+            </property>
+            <property name="text">
+             <string>Show scan flag when word is selected</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>

scanflag.cc

@@ -0,0 +1,90 @@
+#include <QCursor>
+#include <QDesktopWidget>
+
+#include "scanflag.hh"
+#include "ui_scanflag.h"
+
+static Qt::WindowFlags popupWindowFlags =
+
+Qt::ToolTip | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint
+#if QT_VERSION >= 0x050000
+ | Qt::WindowDoesNotAcceptFocus
+#endif
+;
+
+ScanFlag::ScanFlag(QWidget *parent) :
+    QMainWindow(parent)
+{
+  ui.setupUi( this );
+
+  setWindowFlags( popupWindowFlags );
+
+  setAttribute(Qt::WA_X11DoNotAcceptFocus);
+
+  hideTimer.setSingleShot( true );
+  hideTimer.setInterval( 1500 );
+
+  connect( &hideTimer, SIGNAL( timeout() ),
+    this, SLOT( hideWindow() ) );
+
+  connect( ui.pushButton, SIGNAL( clicked( bool ) ),
+                this, SLOT( pushButtonClicked() ) );
+}
+
+ScanFlag::~ScanFlag()
+{
+}
+
+void ScanFlag::pushButtonClicked()
+{
+  hideTimer.stop();
+  hide();
+  emit showScanPopup();
+}
+
+void ScanFlag::hideWindow()
+{
+  if ( isVisible() )
+    hide();
+}
+
+void ScanFlag::showScanFlag()
+{
+  if ( isVisible() )
+    hide();
+
+  QPoint currentPos = QCursor::pos();
+
+  QRect desktop = QApplication::desktop()->screenGeometry();
+
+  QSize windowSize = geometry().size();
+
+  int x, y;
+
+  /// Try the to-the-right placement
+  if ( currentPos.x() + 4 + windowSize.width() <= desktop.topRight().x() )
+    x = currentPos.x() + 4;
+  else
+  /// Try the to-the-left placement
+  if ( currentPos.x() - 4 - windowSize.width() >= desktop.x() )
+    x = currentPos.x() - 4 - windowSize.width();
+  else
+  // Center it
+    x = desktop.x() + ( desktop.width() - windowSize.width() ) / 2;
+
+  /// Try the to-the-top placement
+  if ( currentPos.y() - 15 - windowSize.height() >= desktop.y() )
+    y = currentPos.y() - 15 - windowSize.height();
+  else
+  /// Try the to-the-bottom placement
+  if ( currentPos.y() + 15 + windowSize.height() <= desktop.bottomLeft().y() )
+    y = currentPos.y() + 15;
+  else
+  // Center it
+    y = desktop.y() + ( desktop.height() - windowSize.height() ) / 2;
+
+  move( x, y );
+
+  show();
+  hideTimer.start();
+}

scanflag.hh

@@ -0,0 +1,33 @@
+#ifndef SCAN_FLAG_H
+#define SCAN_FLAG_H
+
+
+#include "config.hh"
+#include <QMainWindow>
+#include <QTimer>
+#include "ui_scanflag.h"
+
+class ScanFlag : public QMainWindow
+{
+  Q_OBJECT
+
+public:
+  ScanFlag( QWidget *parent );
+
+  ~ScanFlag();
+
+signals:
+  void showScanPopup ();
+
+private:
+  Ui::ScanFlag ui;
+  QTimer hideTimer;
+
+private slots:
+  void showScanFlag();
+  void pushButtonClicked();
+  void hideWindow();
+
+};
+
+#endif // SCAN_FLAG_H

scanflag.ui

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ScanFlag</class>
+ <widget class="QMainWindow" name="ScanFlag">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>30</width>
+    <height>30</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QPushButton" name="pushButton">
+    <property name="geometry">
+     <rect>
+      <x>0</x>
+      <y>0</y>
+      <width>30</width>
+      <height>30</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string/>
+    </property>
+    <property name="icon">
+     <iconset>
+     <normaloff>:/icons/programicon.png</normaloff>:/icons/programicon.png</iconset>
+    </property>
+   </widget>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

scanpopup.cc

@@ -270,6 +270,16 @@ ScanPopup::ScanPopup( QWidget * parent,
   grabGesture( Gestures::GDPinchGestureType );
   grabGesture( Gestures::GDSwipeGestureType );
 #endif
+
+#ifdef HAVE_X11
+  scanFlag = new ScanFlag( 0 );
+
+  connect( this, SIGNAL( showScanFlag( bool ) ),
+           scanFlag, SLOT( showScanFlag() ) );
+
+  connect( scanFlag, SIGNAL( showScanPopup() ),
+           this, SLOT( showEngagePopup() ) );
+#endif
 }
 
 ScanPopup::~ScanPopup()
@@ -400,6 +410,14 @@ void ScanPopup::handleInputWord( QString const & str, bool forcePopup )
     return;
   }
 
+#ifdef HAVE_X11
+  if ( cfg.preferences.showScanFlag ) {
+    inputWord = pendingInputWord;
+    emit showScanFlag( forcePopup );
+    return;
+  }
+#endif
+
   // Check key modifiers
 
   if ( cfg.preferences.enableScanPopupModifiers && !checkModifiersPressed( cfg.preferences.scanPopupModifiers ) )
@@ -417,6 +435,13 @@ void ScanPopup::handleInputWord( QString const & str, bool forcePopup )
   engagePopup( forcePopup );
 }
 
+#ifdef HAVE_X11
+void ScanPopup::showEngagePopup()
+{
+  engagePopup(false);
+}
+#endif
+
 void ScanPopup::engagePopup( bool forcePopup, bool giveFocus )
 {
   if( cfg.preferences.scanToMainWindow && !forcePopup )

scanpopup.hh

@@ -15,6 +15,9 @@
 #include "history.hh"
 #include "dictionarybar.hh"
 #include "mainstatusbar.hh"
+#ifdef HAVE_X11
+#include "scanflag.hh"
+#endif
 
 /// This is a popup dialog to show translations when clipboard scanning mode
 /// is enabled.
@@ -70,6 +73,10 @@ signals:
   /// Put translated word into Favorites
   void sendWordToFavorites( QString const & word, unsigned groupId );
 
+#ifdef HAVE_X11
+  void showScanFlag( bool forcePopup );
+#endif
+
 #ifdef Q_OS_WIN32
   /// Ask for source window is current translate tab
   bool isGoldenDictWindow( HWND hwnd );
@@ -87,6 +94,10 @@ public slots:
 
   void setGroupByName( QString const & name );
 
+#ifdef HAVE_X11
+  void showEngagePopup();
+#endif
+
 private:
 
   // Translates the word from the clipboard or the clipboard selection
@@ -118,6 +129,10 @@ private:
   DictionaryBar dictionaryBar;
   MainStatusBar * mainStatusBar;
 
+#ifdef HAVE_X11
+  ScanFlag * scanFlag;
+#endif
+
   bool mouseEnteredOnce;
   bool mouseIntercepted;