src/XGUI/XGUI_ViewWindow.cpp

   1 #include "XGUI_ViewWindow.h"
   2
   3
   4 #include <QLayout>
   5 #include <QLabel>
   6 #include <QToolBar>
   7 #include <QAction>
   8 #include <QResizeEvent>
   9 #include <QApplication>
  10 #include <QMdiArea>
  11 #include <QMdiSubWindow>
  12
  13 #define BORDER_SIZE 2
  14
  15 XGUI_ViewWindow::XGUI_ViewWindow():
  16 QWidget(),
  17     myMoving(false),
  18     ViewPortPxm(":pictures/ViewPort.png"),
  19     MinimizeIco(":pictures/wnd_minimize.png"),
  20     MaximizeIco(":pictures/wnd_maximize.png"),
  21     CloseIco(":pictures/wnd_close.png"),
  22     RestoreIco(":pictures/wnd_restore.png")
  23 {
  24
  25     setMouseTracking(true);
  26     QVBoxLayout* aLay = new QVBoxLayout(this);
  27     aLay->setContentsMargins(BORDER_SIZE,BORDER_SIZE,BORDER_SIZE,BORDER_SIZE);
  28     myViewPort = new QLabel(this);
  29     aLay->addWidget(myViewPort);
  30     myViewPort->setFrameStyle(QFrame::Raised);
  31     myViewPort->setCursor(Qt::ArrowCursor);
  32     myViewPort->setFrameShape(QFrame::Panel);
  33     myViewPort->setPixmap(ViewPortPxm);
  34     myViewPort->setScaledContents(true);
  35
  36     myPicture = new QLabel(this);
  37     aLay->addWidget(myPicture);
  38     myPicture->setMouseTracking(true);
  39     myPicture->installEventFilter(this);
  40     myPicture->hide();
  41
  42     QStringList aPictures;
  43     aPictures<<":pictures/occ_view_camera_dump.png"<<":pictures/occ_view_style_switch.png";
  44     aPictures<<":pictures/occ_view_triedre.png"<<":pictures/occ_view_fitall.png";
  45     aPictures<<":pictures/occ_view_fitarea.png"<<":pictures/occ_view_zoom.png";
  46     aPictures<<":pictures/occ_view_pan.png"<<":pictures/occ_view_glpan.png";
  47     aPictures<<":pictures/occ_view_rotate.png"<<":pictures/occ_view_front.png";
  48     aPictures<<":pictures/occ_view_back.png"<<":pictures/occ_view_left.png";
  49     aPictures<<":pictures/occ_view_right.png"<<":pictures/occ_view_top.png";
  50     aPictures<<":pictures/occ_view_bottom.png"<<":pictures/occ_view_clone.png";
  51
  52     QStringList aTitles;
  53     aTitles << "Dump view" << "Mouse style switch" << "Show trihedron" << "Fit all";
  54     aTitles << "Fit area" << "Zoom" << "Panning" << "Global panning" << "Rotate";
  55     aTitles << "Front" << "Back" << "Left" << "Right" << "Top" << "Bottom" << "Clone view";
  56
  57     myGripWgt = new QLabel(this);
  58     myGripWgt->setPixmap(QPixmap(":pictures/wnd_grip.png"));
  59     myGripWgt->setGeometry(BORDER_SIZE + 2, BORDER_SIZE + 4, 25, 25);
  60     myGripWgt->setMouseTracking(true);
  61     myGripWgt->installEventFilter(this);
  62
  63     myViewBar = new QToolBar(this);
  64     QAction* aBtn;
  65     for (int i = 0; i < aTitles.length(); i++) {
  66         aBtn = new QAction(QIcon(aPictures.at(i)), aTitles.at(i), myViewBar);
  67         myViewBar->addAction(aBtn);
  68     }
  69
  70     myWindowBar = new QToolBar(this);
  71
  72     myMinimizeBtn = new QAction(myWindowBar);
  73     myMinimizeBtn->setIcon(MinimizeIco);
  74     myWindowBar->addAction(myMinimizeBtn);
  75     connect(myMinimizeBtn, SIGNAL(triggered()), SLOT(onMinimize()));
  76
  77     myMaximizeBtn = new QAction(myWindowBar);
  78     myMaximizeBtn->setIcon(MaximizeIco);
  79     myWindowBar->addAction(myMaximizeBtn);
  80     connect(myMaximizeBtn, SIGNAL(triggered()), SLOT(onMaximize()));
  81
  82     aBtn = new QAction(myWindowBar);
  83     aBtn->setIcon(CloseIco);
  84     myWindowBar->addAction(aBtn);
  85     connect(aBtn, SIGNAL(triggered()), SLOT(onClose()));
  86
  87     myViewBar->hide();
  88     myWindowBar->hide();
  89     myGripWgt->hide();
  90 }
  91
  92 //****************************************************************
  93 XGUI_ViewWindow::~XGUI_ViewWindow()
  94 {
  95 }
  96
  97 //****************************************************************
  98 void XGUI_ViewWindow::resizeEvent(QResizeEvent* theEvent)
  99 {
 100     QSize aSize = theEvent->size();
 101     QSize aWndBarSize = myWindowBar->sizeHint();
 102     QSize myViewBarSize = myViewBar->sizeHint();
 103
 104     myWindowBar->move(aSize.width() - aWndBarSize.width() - BORDER_SIZE, BORDER_SIZE);
 105     myViewBar->setGeometry(BORDER_SIZE + 16, BORDER_SIZE, aSize.width() - aWndBarSize.width(), myViewBarSize.height());
 106 }
 107
 108 //****************************************************************
 109 void XGUI_ViewWindow::changeEvent(QEvent* theEvent)
 110 {
 111
 112     if (theEvent->type() == QEvent::WindowStateChange) {
 113         if (isMinimized()) {
 114             parentWidget()->setGeometry(parentWidget()->x(), parentWidget()->y(), 110, 80);
 115             myViewPort->hide();
 116             myViewBar->hide();
 117             myGripWgt->hide();
 118             myWindowBar->hide();
 119             myPicture->show();
 120         } else {
 121             myViewPort->show();
 122             myPicture->hide();
 123         }
 124     } else
 125         QWidget::changeEvent(theEvent);
 126 }
 127
 128 //****************************************************************
 129 void XGUI_ViewWindow::onClose()
 130 {
 131     if (parentWidget())
 132         parentWidget()->close();
 133
 134 }
 135
 136 //****************************************************************
 137 void XGUI_ViewWindow::enterEvent(QEvent* theEvent)
 138 {
 139     if (!isMinimized()) {
 140         myViewBar->show();
 141         if (!isMaximized())
 142             myGripWgt->show();
 143     }
 144     myWindowBar->show();
 145 }
 146
 147 //****************************************************************
 148 void XGUI_ViewWindow::leaveEvent(QEvent* theEvent)
 149 {
 150     myViewBar->hide();
 151     myGripWgt->hide();
 152     myWindowBar->hide();
 153 }
 154
 155 //****************************************************************
 156 void XGUI_ViewWindow::onMinimize()
 157 {
 158     QPixmap aPMap = grab();
 159     myPicture->setPixmap(aPMap.scaled(110, 80));
 160
 161     if (isMinimized()) {
 162         myMinimizeBtn->setIcon(MinimizeIco);
 163         showNormal();
 164     } else {
 165         myMinimizeBtn->setIcon(RestoreIco);
 166         showMinimized();
 167     }
 168     myMaximizeBtn->setIcon(MaximizeIco);
 169 }
 170
 171 //****************************************************************
 172 void XGUI_ViewWindow::onMaximize()
 173 {
 174     if (isMaximized()) {
 175         myMaximizeBtn->setIcon(MaximizeIco);
 176         myGripWgt->show();
 177         showNormal();
 178     } else {
 179         myMaximizeBtn->setIcon(RestoreIco);
 180         myGripWgt->hide();
 181         showMaximized();
 182     }
 183     myMinimizeBtn->setIcon(MinimizeIco);
 184 }
 185
 186 //****************************************************************
 187 bool XGUI_ViewWindow::eventFilter(QObject *theObj, QEvent *theEvent)
 188 {
 189     if ((theObj == myGripWgt) || (theObj == myPicture)) {
 190         switch (theEvent->type()) {
 191         case QEvent::MouseButtonPress:
 192             {
 193                 QMouseEvent* aEvent = static_cast<QMouseEvent*>(theEvent);
 194                 if ((aEvent->button() == Qt::LeftButton) && (!myMoving)){
 195                     myMoving = true;
 196                     myMousePnt = aEvent->globalPos();
 197                     return true;
 198                 }
 199             }
 200             break;
 201         case QEvent::MouseButtonRelease:
 202             {
 203                 QMouseEvent* aEvent = static_cast<QMouseEvent*>(theEvent);
 204                 if ((aEvent->button() == Qt::LeftButton) && myMoving) {
 205                     myMoving = false;
 206                     return true;
 207                 }
 208             }
 209             break;
 210         case QEvent::MouseMove:
 211             {
 212                 QMouseEvent* aEvent = static_cast<QMouseEvent*>(theEvent);
 213                 if (myMoving) {
 214                     QMdiSubWindow* aParent = static_cast<QMdiSubWindow*>(parentWidget());
 215                     QMdiArea* aMDIArea = aParent->mdiArea();
 216
 217                     QPoint aPnt = aEvent->globalPos();
 218                     QPoint aMDIPnt = aMDIArea->mapFromGlobal(aPnt);
 219                     if (aMDIArea->rect().contains(aMDIPnt)) {
 220                         int aX = aParent->x() + (aPnt.x() - myMousePnt.x());
 221                         int aY = aParent->y() + (aPnt.y() - myMousePnt.y());
 222                         aParent->move(aX, aY);
 223                         myMousePnt = aPnt;
 224                     }
 225                     return true;
 226                 }
 227             }
 228         }
 229     }
 230     return QWidget::eventFilter(theObj, theEvent);
 231 }