src/SHAPERGUI/SHAPERGUI_NestedButton.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 /*
   4  * SHAPERGUI_NestedButton.cpp
   5  *
   6  *  Created on: Apr 13, 2015
   7  *      Author: sbh
   8  */
   9
  10 #include <SHAPERGUI_NestedButton.h>
  11
  12 #include <QAction>
  13 #include <QFrame>
  14 #include <QHBoxLayout>
  15 #include <QToolButton>
  16 #include <QToolBar>
  17 #include <QEvent>
  18
  19 SHAPERGUI_NestedButton::SHAPERGUI_NestedButton(QObject* theParent,
  20                                            const QList<QAction*>& theNestedActions)
  21 : QWidgetAction(theParent),
  22   myNestedActions(theNestedActions),
  23   myAdditionalButtonsWidget(0),
  24   myButtonFrame(0),
  25   myThisButton(0)
  26 {
  27 }
  28
  29 SHAPERGUI_NestedButton::~SHAPERGUI_NestedButton()
  30 {
  31 }
  32
  33 void SHAPERGUI_NestedButton::showAdditionalButtons(bool isShow)
  34 {
  35   myAdditionalButtonsWidget->setVisible(isShow);
  36   if (isShow) {
  37     myButtonFrame->setFrameStyle(QFrame::WinPanel);
  38     myButtonFrame->setFrameShadow(QFrame::Sunken);
  39     myThisButton->setAutoRaise(false);
  40   } else {
  41     myButtonFrame->setFrameStyle(QFrame::NoFrame);
  42     myButtonFrame->setFrameShadow(QFrame::Plain);
  43     myThisButton->setAutoRaise(true);
  44   }
  45 }
  46
  47 QWidget * SHAPERGUI_NestedButton::createWidget(QWidget * theParent)
  48 {
  49   // the action has widget only in tool bar, in menu bar, the default
  50   // action presentation is shown
  51   QToolBar* aToolBar = dynamic_cast<QToolBar*>(theParent);
  52   if (!aToolBar)
  53     return 0;
  54
  55   myButtonFrame = new QFrame(theParent);
  56   QHBoxLayout* aBoxLay = new QHBoxLayout(myButtonFrame);
  57   aBoxLay->setContentsMargins(2, 0, 0, 0);
  58   aBoxLay->setSpacing(1);
  59   QSizePolicy aSizePolicy;
  60   aSizePolicy.setControlType(QSizePolicy::ToolButton);
  61   myButtonFrame->setSizePolicy(aSizePolicy);
  62
  63   myThisButton = new QToolButton(myButtonFrame);
  64   myThisButton->setDefaultAction(this);
  65   myThisButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  66   aBoxLay->addWidget(myThisButton, 1);
  67
  68   myAdditionalButtonsWidget = new QWidget(myButtonFrame);
  69   QHBoxLayout* aAdditionalBoxLay = new QHBoxLayout(myAdditionalButtonsWidget);
  70   aAdditionalBoxLay->setContentsMargins(0, 0, 0, 0);
  71   aAdditionalBoxLay->setSpacing(1);
  72   foreach (QAction* eachAct, myNestedActions) {
  73     QToolButton* aButton = new QToolButton(myButtonFrame);
  74     aButton->setDefaultAction(eachAct);
  75     aButton->setAutoRaise(true);
  76     aAdditionalBoxLay->addWidget(aButton);
  77   }
  78   myAdditionalButtonsWidget->setLayout(aAdditionalBoxLay);
  79   aBoxLay->addWidget(myAdditionalButtonsWidget);
  80
  81   myButtonFrame->setLayout(aBoxLay);
  82
  83   showAdditionalButtons(false);
  84   connect(this, SIGNAL(toggled(bool)), this, SLOT(showAdditionalButtons(bool)));
  85   connect(this, SIGNAL(changed()), this, SLOT(actionStateChanged()));
  86   return myButtonFrame;
  87 }
  88
  89 bool SHAPERGUI_NestedButton::event(QEvent* theEvent)
  90 {
  91   if (theEvent->type() == QEvent::ActionChanged) {
  92     if (myThisButton) {
  93       myThisButton->setEnabled(isEnabled());
  94       return true;
  95     }
  96   }
  97   return QWidgetAction::event(theEvent);
  98 }
  99
 100
 101 void SHAPERGUI_NestedButton::actionStateChanged()
 102 {
 103   if (isEnabled()) {
 104     QString s = "true";
 105   } else {
 106     QString s = "false";
 107   }
 108
 109 }