1 // SUPERV SUPERVGUI : GUI for Supervisor component
3 // Copyright (C) 2003 OPEN CASCADE
5 // File : SUPERVGUI_ArrayView.cxx
11 #include "SUPERVGUI_ArrayView.h"
12 #include "SUPERVGUI_Main.h"
13 #include "SUPERVGUI_CanvasCellNodePrs.h"
15 #include <qcolordialog.h>
17 #if QT_VERSION >= 0x030005
18 QCursor PanCursor(Qt::SizeAllCursor);
20 QCursor PanCursor(SizeAllCursor);
23 SUPERVGUI_ArrayView::SUPERVGUI_ArrayView(SUPERVGUI_CanvasArray* theArray, SUPERVGUI_Main* theMain):
24 QCanvasView(theArray, theMain),
29 myIsPanActivated = false;
34 viewport()->setMouseTracking(true); //widget receives mouse move events
35 //even if no buttons are pressed down
37 myPopup = new QPopupMenu(viewport());
39 if (myMain->isEditable()) {
40 myPopup->insertItem(tr("MSG_ADD_NODE"), myMain, SLOT(addNode()));
41 myPopup->insertItem(tr("MSG_INS_FILE"), myMain, SLOT(insertFile()));
42 myPopup->insertSeparator();
45 QPopupMenu* aViewPopup = new QPopupMenu(viewport());
46 aViewPopup->insertItem(tr("POP_FULLVIEW"), myMain, SLOT(showCanvas()));
47 aViewPopup->insertItem(tr("POP_CONTROLVIEW"), myMain, SLOT(showContolFlow()));
48 aViewPopup->insertItem(tr("POP_TABLEVIEW"), myMain, SLOT(showCanvasTable()));
50 myPopup->insertItem(tr("POP_VIEW"), aViewPopup);
51 myPopup->insertSeparator();
53 /*QPopupMenu* aZoomPopup = new QPopupMenu(viewport());
54 aZoomPopup->insertItem("200%", this, SLOT(zoomIn()));
55 aZoomPopup->insertItem("100%", this, SLOT(zoomReset()));
56 aZoomPopup->insertItem("50%", this, SLOT(zoomOut()));
57 aZoomPopup->insertSeparator();
58 aZoomPopup->insertItem("Fit All", this, SLOT(fitAll()));
60 myPopup->insertItem("Zoom", aZoomPopup);
61 myPopup->insertSeparator();*/
63 myAddStudyItem = myPopup->insertItem(tr("MSG_ADD_STUDY"), myMain, SLOT(addDataflowToStudy()));
64 myPopup->insertItem(tr("MSG_CHANGE_INFO"), myMain, SLOT(changeInformation()));
65 myPopup->insertSeparator();
67 myPopup->insertItem(tr("MSG_COPY_DATAFLOW"), myMain, SLOT(copy()));
68 myPopup->insertItem(tr("MSG_FILTER_NOTIFY"), myMain, SLOT(filterNotification()));
70 myPopup->insertSeparator();
71 myPopup->insertItem(tr("MSG_CHANGE_BACKGROUND"), this, SLOT(changeBackground()));
77 SUPERVGUI_ArrayView::~SUPERVGUI_ArrayView()
81 void SUPERVGUI_ArrayView::ActivatePanning()
83 myIsPanActivated = true;
84 viewport()->setMouseTracking(false);
87 void SUPERVGUI_ArrayView::ResetView()
94 void SUPERVGUI_ArrayView::changeBackground()
96 QColor aColor = QColorDialog::getColor(canvas()->backgroundColor(), this );
97 if ( aColor.isValid() ) {
98 // change background color for array view
99 canvas()->setBackgroundColor(aColor);
100 setPaletteBackgroundColor(aColor.light(120));
101 // change background color for canvas view
102 getMain()->getCanvasView()->canvas()->setBackgroundColor(aColor);
103 getMain()->getCanvasView()->setPaletteBackgroundColor(aColor.light(120));
107 void SUPERVGUI_ArrayView::resizeEvent( QResizeEvent* e) {
108 QCanvasView::resizeEvent( e );
109 canvas()->resize( e->size().width() > canvas()->width() ? e->size().width() : canvas()->width(),
110 e->size().height() > canvas()->height() ? e->size().height() : canvas()->height() );
113 void SUPERVGUI_ArrayView::contentsMousePressEvent(QMouseEvent* theEvent) {
114 myGlobalPoint = theEvent->globalPos();
116 if (((theEvent->button() == Qt::MidButton)
118 (theEvent->state() == Qt::ControlButton)) || myIsPanActivated) {
119 myIsPanActivated = true;
120 viewport()->setMouseTracking(false); //widget only receives mouse move events when at least one
121 //mouse button is pressed down while the mouse is being moved
123 setCursor(PanCursor);
127 QPoint thePoint = inverseWorldMatrix().map(theEvent->pos());
128 // compute collision rectangle
129 QRect aSel(thePoint.x()-MARGIN, thePoint.y()-MARGIN, 1+2*MARGIN, 1+2*MARGIN);
131 if (theEvent->button() == RightButton) {
132 QCanvasItemList l = canvas()->collisions(aSel);
133 for (QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it) {
134 if ((*it)->rtti() == SUPERVGUI_Canvas::Rtti_Node) {
135 SUPERVGUI_CanvasCellNodePrs* aNodePrs = (SUPERVGUI_CanvasCellNodePrs*) (*it);
136 QObject* anObj = aNodePrs->getObject(thePoint);
137 if (anObj->inherits("SUPERVGUI_CanvasCellNode")) {
138 myMain->showPopup(((SUPERVGUI_CanvasCellNode*)anObj)->getPopupMenu(viewport()),
145 myPopup->setItemEnabled(myAddStudyItem, !myMain->isDataflowInStudy());
146 myMain->showPopup(myPopup, theEvent);
151 void SUPERVGUI_ArrayView::contentsMouseMoveEvent(QMouseEvent* theEvent) {
152 QPoint g = theEvent->globalPos();
153 if (myIsPanActivated) {
154 scrollBy(myGlobalPoint.x() - g.x(),
155 myGlobalPoint.y() - g.y());
160 // QToolTip for title and label for SUPERVGUI_CanvasCellNode
161 SUPERVGUI_ToolTip* aTT = new SUPERVGUI_ToolTip(this);
162 QPoint aPoint1 = inverseWorldMatrix().map(theEvent->pos());
163 aTT->maybeTip(aPoint1);
166 void SUPERVGUI_ArrayView::contentsMouseReleaseEvent(QMouseEvent* theEvent) {
167 if (myIsPanActivated) {
168 myIsPanActivated = false;
169 viewport()->setMouseTracking(true);
174 void SUPERVGUI_ToolTip::maybeTip(const QPoint& theP) {
175 // compute collision rectangle
176 QRect aSel(theP.x()-MARGIN, theP.y()-MARGIN, 1+2*MARGIN, 1+2*MARGIN);
178 QCanvasItemList l = ((SUPERVGUI_ArrayView*)parentWidget())->canvas()->collisions(aSel);
179 for (QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it) {
180 if ((*it)->rtti() == SUPERVGUI_Canvas::Rtti_Node) {
181 SUPERVGUI_CanvasCellNodePrs* aNodePrs = (SUPERVGUI_CanvasCellNodePrs*) (*it);
182 QObject* anObj = aNodePrs->getObject(theP);
183 if (anObj->inherits("SUPERVGUI_CanvasCellNode")) {
185 QRect aTitleRect = aNodePrs->getTitleRect();
186 if (aTitleRect.contains(theP, true)) {
187 tip(aTitleRect, ((SUPERVGUI_CanvasCellNode*)anObj)->getEngine()->Name());
191 QRect aLabelRect = aNodePrs->getLabelRect();
192 if (aLabelRect.contains(theP, true)) {
193 tip(aLabelRect, ((SUPERVGUI_CanvasCellNode*)anObj)->getLabelText());