void SelectTool::endCustomDragging(const QPoint&)
{
KivioCanvas* canvas = view()->canvasWidget();
m_pCustomDraggingStencil->setHidden(false);
KivioCustomDragCommand* cmd = new KivioCustomDragCommand(i18n("Move Connector Point"), view()->activePage(),
m_pCustomDraggingStencil, m_customDragID, m_customDragOrigPoint,
m_pCustomDraggingStencil->customIDPoint(m_customDragID));
view()->doc()->addCommand(cmd);
m_customDragID = 0;
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
if(pStencil->type() == kstConnector) {
pStencil->searchForConnections(view()->activePage(), view()->zoomHandler()->unzoomItY(4));
}
pStencil = canvas->activePage()->selectedStencils()->next();
}
canvas->endUnclippedSpawnerPainter();
canvas->setShowConnectorTargets(false);
canvas->repaint();
}
void SelectTool::continueCustomDragging(const QPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
bool hit = false;
if(m_pCustomDraggingStencil->type() == kstConnector){
pagePoint = canvas->activePage()->snapToTarget(pagePoint, 8.0, hit);
}
if(!hit) {
pagePoint = canvas->snapToGridAndGuides( pagePoint );
}
KivioCustomDragData data;
data.page = canvas->activePage();
data.dx = pagePoint.x() - m_lastPoint.x();
data.dy = pagePoint.y() - m_lastPoint.y();
data.x = pagePoint.x();
data.y = pagePoint.y();
data.id = m_customDragID;
data.scale = view()->zoomHandler()->zoomedResolutionY();
if(m_pCustomDraggingStencil->type() != kstConnector){
// Undraw the old stencils
if(!m_firstTime) {
canvas->drawStencilXOR(m_pCustomDraggingStencil);
} else {
m_pCustomDraggingStencil->setHidden(true);
canvas->repaint();
m_firstTime = false;
}
}
// Custom dragging can only occur on one stencil
if( m_pCustomDraggingStencil )
m_pCustomDraggingStencil->customDrag( &data );
// Draw the stencils
if(m_pCustomDraggingStencil->type() != kstConnector){
canvas->drawStencilXOR(m_pCustomDraggingStencil);
} else {
view()->canvasWidget()->repaint();
}
view()->updateToolBars();
}
/**
* Tests if we should start rubber banding (always returns true).
*/
bool SelectTool::startRubberBanding(const QPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
// We didn't find a stencil, so unselect everything if we aren't holding the control key down
if( !m_controlKey )
canvas->activePage()->unselectAllStencils();
canvas->startRectDraw( pos, KivioCanvas::Rubber );
canvas->repaint();
return true;
}
bool SelectTool::startCustomDragging(const QPoint &pos, bool selectedOnly )
{
KivioCanvas* canvas = view()->canvasWidget();
KivioPage *pPage = canvas->activePage();
KivioStencil *pStencil;
int colType;
KoPoint pagePoint = canvas->mapFromScreen( pos );
// Figure out how big 4 pixels is in terms of points
double threshold = view()->zoomHandler()->unzoomItY(4);
pStencil = pPage->checkForStencil( &pagePoint, &colType, threshold, selectedOnly );
if( !pStencil || colType < kctCustom ) {
return false;
}
if(pStencil->isSelected()) {
// If we are clicking an already selected stencil, and the control
// key down, then unselect this stencil
if(m_controlKey) {
pPage->unselectStencil(pStencil);
}
} else {
// Clicking a new stencil, and the control key is not down
if(!m_controlKey) {
pPage->unselectAllStencils();
}
pPage->selectStencil( pStencil );
}
m_pCustomDraggingStencil = pStencil;
// Set the mode
m_mode = stmCustomDragging;
m_customDragID = colType;
m_customDragOrigPoint = pStencil->customIDPoint(m_customDragID);
view()->canvasWidget()->setShowConnectorTargets(true);
view()->canvasWidget()->repaint();
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
m_firstTime = true;
return true;
}
void SelectTool::endDragging(const QPoint&)
{
KivioCanvas* canvas = view()->canvasWidget();
canvas->activePage()->setPaintSelected(true);
KMacroCommand *macro=new KMacroCommand( i18n("Move Stencil"));
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
KivioSelectDragData *pData = m_lstOldGeometry.first();
bool moved = false;
while( pStencil && pData )
{
if((pData->rect.x() != pStencil->rect().x()) || (pData->rect.y() != pStencil->rect().y())) {
KivioMoveStencilCommand * cmd = new KivioMoveStencilCommand( i18n("Move Stencil"),
pStencil, pData->rect, pStencil->rect(), canvas->activePage());
macro->addCommand( cmd);
if(pStencil->type() == kstConnector) {
pStencil->searchForConnections(view()->activePage(), view()->zoomHandler()->unzoomItY(4));
}
moved = true;
}
pData = m_lstOldGeometry.next();
pStencil = canvas->activePage()->selectedStencils()->next();
}
if(moved) {
canvas->doc()->addCommand( macro );
} else {
delete macro;
}
canvas->drawSelectedStencilsXOR();
canvas->endUnclippedSpawnerPainter();
// Clear the list of old geometry
m_lstOldGeometry.clear();
}
void ConnectorTool::mousePress( QMouseEvent *e )
{
if(e->button() == LeftButton) {
bool ok = true;
if(!m_pStencil || (m_type == StraightConnector)) {
ok = startRubberBanding(e);
} else {
if(m_pStencil) {
Kivio::PolyLineConnector* connector = static_cast<Kivio::PolyLineConnector*>(m_pStencil);
KivioCanvas* canvas = view()->canvasWidget();
KivioPage* pPage = canvas->activePage();
bool hit = false;
KoPoint point = pPage->snapToTarget(canvas->mapFromScreen(e->pos()), 8.0, hit);
if(!hit) {
point = canvas->snapToGrid(startPoint);
}
if((m_mode == stmDrawRubber) && hit) {
endRubberBanding(e);
} else {
connector->addPoint(point);
}
}
}
if(ok) {
m_mode = stmDrawRubber;
} else {
m_mode = stmNone;
}
} else if(e->button() == RightButton) {
if(m_type == PolyLineConnector) {
if(m_mode == stmDrawRubber) {
endRubberBanding(e);
}
view()->canvasWidget()->setCursor(*m_pConnectorCursor1);
m_mode = stmNone;
}
}
}
/**
* Tests if we should start rubber banding (always returns true).
*/
bool ConnectorTool::startRubberBanding( QMouseEvent *e )
{
KivioCanvas* canvas = view()->canvasWidget();
KivioDoc* doc = view()->doc();
KivioPage* pPage = canvas->activePage();
QString spawnerId;
if(m_type == StraightConnector) {
spawnerId = "Dave Marotti - Straight Connector";
} else {
spawnerId = "Internal - PolyLine Connector";
}
KivioStencilSpawner* ss = doc->findInternalStencilSpawner(spawnerId);
if(!ss) {
kdDebug(43000) << "ConnectorTool: Failed to find StencilSpawner!" << endl;
return false;
}
// Create the stencil
m_pStencil = static_cast<Kivio1DStencil*>(ss->newStencil());
bool hit = false;
startPoint = pPage->snapToTarget(canvas->mapFromScreen(e->pos()), 8.0, hit);
if(!hit) {
startPoint = canvas->snapToGrid(startPoint);
}
if(!m_pStencil) {
return false;
}
m_pStencil->setTextFont(doc->defaultFont());
// Unselect everything, add the stencil to the page, and select it
pPage->unselectAllStencils();
pPage->addStencil(m_pStencil);
pPage->selectStencil(m_pStencil);
// Get drag info ready
m_pDragData = new KivioCustomDragData();
m_pDragData->page = pPage;
m_pDragData->x = startPoint.x();
m_pDragData->y = startPoint.y();
if(m_type == StraightConnector) {
KivioStraightConnector* connector = static_cast<KivioStraightConnector*>(m_pStencil);
m_pDragData->id = kctCustom + 2;
connector->setStartPoint(startPoint.x(), startPoint.y());
connector->setEndPoint(startPoint.x() + 10.0, startPoint.y() + 10.0);
} else {
Kivio::PolyLineConnector* connector = static_cast<Kivio::PolyLineConnector*>(m_pStencil);
m_pDragData->id = kctCustom + 1;
connector->addPoint(startPoint);
connector->addPoint(startPoint);
}
m_pStencil->customDrag(m_pDragData);
canvas->repaint();
canvas->setCursor(*m_pConnectorCursor2);
return true;
}
/**
* Change the mouse cursor based on what it is over.
*/
void SelectTool::changeMouseCursor(const QPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
KivioStencil *pStencil;
double threshold = view()->zoomHandler()->unzoomItY(4);
int cursorType;
// Iterate through all the selected stencils
pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
cursorType = isOverResizeHandle(pStencil, pagePoint.x(), pagePoint.y());
switch( cursorType )
{
case 1: // top left
canvas->setCursor( sizeFDiagCursor );
return;
case 2: // top
canvas->setCursor( sizeVerCursor );
return;
case 3: // top right
canvas->setCursor( sizeBDiagCursor );
return;
case 4: // right
canvas->setCursor( sizeHorCursor );
return;
case 5: // bottom right
canvas->setCursor( sizeFDiagCursor );
return;
case 6: // bottom
canvas->setCursor( sizeVerCursor );
return;
case 7: // bottom left
canvas->setCursor( sizeBDiagCursor );
return;
case 8: // left
canvas->setCursor( sizeHorCursor );
return;
default:
if( pStencil->checkForCollision( &pagePoint, threshold )!= kctNone )
{
canvas->setCursor( sizeAllCursor );
return;
}
break;
}
pStencil = canvas->activePage()->selectedStencils()->next();
}
canvas->unsetCursor();
}
/**
* Continues the dragging process of a stencil (moving)
*
* How does this work? Initially we create a list of all the original
* geometry of all the selected stencils. We use that to calculate delta
* movements and snap them to the grid.
*/
void SelectTool::continueDragging(const QPoint &pos, bool ignoreGridGuides)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen( pos );
double dx = pagePoint.x() - m_origPoint.x();
double dy = pagePoint.y() - m_origPoint.y();
bool snappedX;
bool snappedY;
double newX, newY;
// Undraw the old stencils
if(!m_firstTime) {
canvas->drawSelectedStencilsXOR();
} else {
canvas->activePage()->setPaintSelected(false);
canvas->repaint();
m_firstTime = false;
}
// Translate to the new position
KoPoint p;
newX = m_selectedRect.x() + dx;
newY = m_selectedRect.y() + dy;
if(!ignoreGridGuides) {
// First attempt a snap-to-grid
p.setCoords(newX, newY);
p = canvas->snapToGrid(p);
newX = p.x();
newY = p.y();
// Now the guides override the grid so we attempt to snap to them
// The bottom
p.setCoords(m_selectedRect.x() + dx + m_selectedRect.width(), m_selectedRect.y() + dy + m_selectedRect.height());
p = canvas->snapToGuides(p, snappedX, snappedY);
if(snappedX) {
newX = p.x() - m_selectedRect.width();
}
if(snappedY) {
newY = p.y() - m_selectedRect.height();
}
// The middle
p.setCoords(m_selectedRect.x() + dx + (m_selectedRect.width() / 2.0),
m_selectedRect.y() + dy + (m_selectedRect.height() / 2.0));
p = canvas->snapToGuides(p, snappedX, snappedY);
if(snappedX) {
newX = p.x() - (m_selectedRect.width() / 2.0);
}
if(snappedY) {
newY = p.y() - (m_selectedRect.height() / 2.0);
}
// The top
p.setCoords(m_selectedRect.x() + dx, m_selectedRect.y() + dy);
p = canvas->snapToGuides(p, snappedX, snappedY);
if(snappedX) {
newX = p.x();
}
if(snappedY) {
newY = p.y();
}
}
dx = newX - m_selectedRect.x();
dy = newY - m_selectedRect.y();
KivioSelectDragData *pData;
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
pData = m_lstOldGeometry.first();
while( pStencil && pData )
{
newX = pData->rect.x() + dx;
newY = pData->rect.y() + dy;
if( pStencil->protection()->at( kpX ) == false ) {
pStencil->setX(newX);
}
if( pStencil->protection()->at( kpY ) == false ) {
pStencil->setY(newY);
}
pData = m_lstOldGeometry.next();
pStencil = canvas->activePage()->selectedStencils()->next();
}
// Draw the stencils
canvas->drawSelectedStencilsXOR();
view()->updateToolBars();
}
/**
* Tests if we can start resizing a stencil
*/
bool SelectTool::startResizing(const QPoint &pos)
{
KivioCanvas* canvas = view()->canvasWidget();
KoPoint pagePoint = canvas->mapFromScreen(pos);
KivioSelectDragData *pData;
double x = pagePoint.x();
double y = pagePoint.y();
// Search selected stencils to see if we have a resizing point
KivioStencil *pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
m_resizeHandle = isOverResizeHandle(pStencil, x, y);
if( m_resizeHandle > 0 )
{
switch( m_resizeHandle )
{
case 1: // top left
m_origPoint.setCoords(pStencil->x(), pStencil->y());
break;
case 2:
m_origPoint.setCoords((pStencil->x() + pStencil->w()) / 2.0, pStencil->y());
break;
case 3:
m_origPoint.setCoords(pStencil->x() + pStencil->w(), pStencil->y());
break;
case 4:
m_origPoint.setCoords(pStencil->x() + pStencil->w(), (pStencil->y() + pStencil->h()) / 2.0);
break;
case 5:
m_origPoint.setCoords(pStencil->x() + pStencil->w(), pStencil->y() + pStencil->h());
break;
case 6:
m_origPoint.setCoords((pStencil->x() + pStencil->w()) / 2.0, pStencil->y() + pStencil->h());
break;
case 7:
m_origPoint.setCoords(pStencil->x(), pStencil->y() + pStencil->h());
break;
case 8:
m_origPoint.setCoords(pStencil->x(), (pStencil->y() + pStencil->h()) / 2.0);
break;
}
m_lstOldGeometry.clear();
pData = new KivioSelectDragData;
pData->rect = pStencil->rect();
m_lstOldGeometry.append(pData);
m_pResizingStencil = pStencil;
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
m_firstTime = true;
return true;
}
pStencil = canvas->activePage()->selectedStencils()->next();
}
return false;
}
/**
* Tests if we can start dragging a stencil.
*/
bool SelectTool::startDragging(const QPoint &pos, bool onlySelected)
{
KivioCanvas* canvas = view()->canvasWidget();
KivioPage *pPage = canvas->activePage();
KivioStencil *pStencil;
int colType;
// Figure out how big 4 pixels is in terms of points
double threshold = view()->zoomHandler()->unzoomItY(4);
KoPoint pagePoint = canvas->mapFromScreen( pos );
pStencil = pPage->checkForStencil( &pagePoint, &colType, threshold, onlySelected );
if( !pStencil )
return false;
canvas->setEnabled(false);
if( pStencil->isSelected() )
{
// If we are clicking an already selected stencil, and the control
// key down, then unselect this stencil
if( m_controlKey==true ) {
pPage->unselectStencil( pStencil );
}
// Otherwise, it means we are just moving
}
else
{
// Clicking a new stencil, and the control key is not down
if( !m_controlKey )
pPage->unselectAllStencils();
pPage->selectStencil( pStencil );
// Update the auto guidelines
view()->canvasWidget()->updateAutoGuideLines();
}
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
// Build the list of old geometry
KivioSelectDragData *pData;
m_lstOldGeometry.clear();
pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
pData = new KivioSelectDragData;
pData->rect = pStencil->rect();
m_lstOldGeometry.append(pData);
pStencil = canvas->activePage()->selectedStencils()->next();
}
m_selectedRect = view()->activePage()->getRectForAllSelectedStencils();
changeMouseCursor(pos);
// Set the mode
m_mode = stmDragging;
m_firstTime = true;
canvas->setEnabled(true);
return true;
}
void SelectTool::keyPress(QKeyEvent* e)
{
KivioCanvas* canvas = view()->canvasWidget();
canvas->setEnabled(false);
// Create a new painter object
canvas->beginUnclippedSpawnerPainter();
// Build the list of old geometry
KivioSelectDragData *pData;
m_lstOldGeometry.clear();
KivioStencil* pStencil = canvas->activePage()->selectedStencils()->first();
while( pStencil )
{
pData = new KivioSelectDragData;
pData->rect = pStencil->rect();
m_lstOldGeometry.append(pData);
pStencil = canvas->activePage()->selectedStencils()->next();
}
m_selectedRect = view()->activePage()->getRectForAllSelectedStencils();
// Set the mode
m_mode = stmDragging;
canvas->setEnabled(true);
m_origPoint = m_selectedRect.topLeft();
KivioGridData gd = view()->doc()->grid();
bool ignoreGridGuides = e->state() & ShiftButton;
double distX, distY;
if(ignoreGridGuides || !view()->doc()->grid().isSnap) {
distX = view()->zoomHandler()->unzoomItX(1);
distY = view()->zoomHandler()->unzoomItY(1);
} else {
distX = gd.freq.width();
distY = gd.freq.height();
}
switch(e->key()) {
case Key_Left:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x() - distX,
m_selectedRect.y())), ignoreGridGuides);
break;
case Key_Up:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x(),
m_selectedRect.y() - distY)), ignoreGridGuides);
break;
case Key_Right:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x() + distX,
m_selectedRect.y())), ignoreGridGuides);
break;
case Key_Down:
continueDragging(canvas->mapToScreen(KoPoint(m_selectedRect.x(),
m_selectedRect.y() + distY)), ignoreGridGuides);
break;
default:
break;
}
endDragging(QPoint());
canvas->guideLines().repaintAfterSnapping();
canvas->setFocus();
}