src/XGUI/XGUI_HistoryMenu.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2 /*
   3  * XGUI_HistoryMenu.cpp
   4  *
   5  *  Created on: Feb 2, 2015
   6  *      Author: sbh
   7  */
   8
   9 #include <XGUI_HistoryMenu.h>
  10
  11 #include <ModelAPI_Session.h>
  12
  13 #include <QListWidget>
  14 #include <QWidgetAction>
  15 #include <QToolButton>
  16 #include <QAction>
  17
  18 XGUI_HistoryMenu::XGUI_HistoryMenu(QAction* theParent)
  19  : QMenu(NULL),
  20    myHistoryList(NULL)
  21 {
  22   theParent->setMenu(this);
  23   initMenu();
  24
  25   connect(theParent, SIGNAL(destroyed()), this, SLOT(deleteLater()));
  26 }
  27
  28 XGUI_HistoryMenu::XGUI_HistoryMenu(QToolButton* theParent)
  29  : QMenu(theParent),
  30    myHistoryList(NULL)
  31 {
  32   theParent->setMenu(this);
  33   theParent->setPopupMode(QToolButton::MenuButtonPopup);
  34
  35   initMenu();
  36 }
  37
  38 void XGUI_HistoryMenu::initMenu()
  39 {
  40   myHistoryList = new QListWidget(this);
  41   QWidgetAction* aListAction = new QWidgetAction(this);
  42   aListAction->setDefaultWidget(myHistoryList);
  43   this->addAction(aListAction);
  44   myHistoryList->setMouseTracking(true);  // track mouse hover
  45   myHistoryList->setSelectionMode(QAbstractItemView::ExtendedSelection);
  46   connect(myHistoryList, SIGNAL(itemEntered(QListWidgetItem *)), this,
  47           SLOT(setStackSelectedTo(QListWidgetItem *)));
  48   connect(myHistoryList, SIGNAL(itemClicked(QListWidgetItem *)), this,
  49           SLOT(onItemPressed(QListWidgetItem *)));
  50 }
  51
  52 XGUI_HistoryMenu::~XGUI_HistoryMenu()
  53 {
  54 }
  55
  56 void XGUI_HistoryMenu::setHistory(const QList<ActionInfo>& theActions)
  57 {
  58   myHistoryList->clear();
  59   foreach(ActionInfo anAct, theActions) {
  60     QListWidgetItem* anItem = new QListWidgetItem(anAct.icon, anAct.text, myHistoryList);
  61   }
  62 }
  63
  64 void XGUI_HistoryMenu::leaveEvent(QEvent* theEvent)
  65 {
  66   setStackSelectedTo(NULL);
  67   QMenu::leaveEvent(theEvent);
  68 }
  69
  70 void XGUI_HistoryMenu::setStackSelectedTo(QListWidgetItem * theItem)
  71 {
  72   QListWidgetItem* eachItem = NULL;
  73   bool isSelect = theItem != NULL;
  74   for(int aRow = 0; aRow < myHistoryList->count(); ++aRow) {
  75     eachItem = myHistoryList->item(aRow);
  76     myHistoryList->setItemSelected(eachItem, isSelect);
  77     // Deselect items below hovered
  78     if (eachItem == theItem) {
  79       isSelect = false;
  80     }
  81   }
  82   // to avoid blinking caused by QMenu paint event (paints on top of the list)
  83   myHistoryList->repaint();
  84 }
  85
  86 void hideUpToMenuBar( QMenu* theMenu )
  87 {
  88   theMenu->hide();
  89   foreach( QWidget* aWidget, theMenu->menuAction()->associatedWidgets() )
  90   {
  91     QMenu* aMenu = qobject_cast<QMenu*>( aWidget );
  92     if( aMenu )
  93     {
  94       aMenu->hide();
  95       hideUpToMenuBar( aMenu );
  96     }
  97   }
  98 }
  99
 100 void XGUI_HistoryMenu::onItemPressed(QListWidgetItem * theItem)
 101 {
 102   int selectedSize = myHistoryList->row(theItem) + 1;
 103   emit actionSelected(selectedSize);
 104   hideUpToMenuBar( this );
 105 }