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Diffstat (limited to 'kdejava/koala/examples/kscribble/KScribbleView.java')
| -rw-r--r-- | kdejava/koala/examples/kscribble/KScribbleView.java | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/kdejava/koala/examples/kscribble/KScribbleView.java b/kdejava/koala/examples/kscribble/KScribbleView.java new file mode 100644 index 00000000..464227ec --- /dev/null +++ b/kdejava/koala/examples/kscribble/KScribbleView.java @@ -0,0 +1,342 @@ +import org.kde.qt.*; +import org.kde.koala.*; + +/** The KScribbleView class provides the view widget for the KScribble instance. + * The View instance inherits QWidget as a base class and represents the view object of a KMainWindow. As KScribbleView is part of the + * docuement-view model, it needs a reference to the document object connected with it by the KScribble class to manipulate and display + * the document structure provided by the KScribbleDoc class. + * + * @author Source Framework Automatically Generated by KDevelop, (c) The KDevelop Team. + * @version KDevelop version 0.4 code generation + */ +public class KScribbleView extends QScrollView { + + private QClipboard cb; + private KScribbleDoc doc; + private static final int IDLE = 0; + private static final int DRAW = 1; + private static final int SELECT = 2; + private static final int PASTE = 3; + private static final int DRAG = 4; + + private QPixmap tmp = new QPixmap(); + + private int action = IDLE; + private QRect select = new QRect(); + + private KIconLoader k = new KIconLoader(); + private QImageDrag qid; + + public KScribbleView(KScribbleDoc pDoc, QWidget parent, String name, int wflags) { + super(parent, name,wflags | WPaintClever | WNorthWestGravity | WRepaintNoErase); + setBackgroundMode(PaletteBase); + cb = QApplication.clipboard(); + viewport().setAcceptDrops(true); + setDragAutoScroll(true); + doc=pDoc; + action=IDLE; + viewport().setCursor( Qt.crossCursor() ); + + QSize size=doc.docSize(); + resizeContents(size.width(), size.height()); + resize(size); + + } + + void update(KScribbleView pSender){ + if(pSender != this) + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + + public KScribbleDoc getDocument() { + return doc; + } + + protected void keyPressEvent( QKeyEvent e ) { + switch (e.key()) { + case Key_Right: + scrollBy( 10, 0 ); + break; + case Key_Left: + scrollBy( -10,0); + break; + case Key_Up: + scrollBy( 0, -10 ); + break; + case Key_Down: + scrollBy( 0, 10 ); + break; + case Key_Home: + setContentsPos(0,0); + break; + case Key_End: + setContentsPos(0,viewport().height()-viewport().height()); + break; + case Key_PageUp: + scrollBy( 0, -viewport().height() ); + break; + case Key_PageDown: + scrollBy( 0, viewport().height() ); + break; + } + + } + + /** cuts out a selection */ + void cutSelection() { + select=select.normalize(); + QPixmap cb_pix = new QPixmap(); + cb_pix.resize(select.size()); + // copy selection to cb_pix and copy to clipboard + bitBlt(cb_pix,0, 0, doc.buffer, select.x()+contentsX(), select.y()+contentsY(), cb_pix.width(),cb_pix.height()); + cb.setPixmap(cb_pix); + // fill cb_pix with white and copy to selection area + cb_pix.fill(Qt.white()); + bitBlt(doc.buffer, select.x()+contentsX(), select.y()+contentsY(),cb_pix, 0, 0, cb_pix.width(), cb_pix.height()); + action = IDLE; + doc.setModified(); + doc.updateAllViews(this); + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + + /** pastes the clipboard contents to a selection that can be inserted into the picture */ + void pasteSelection(){ + select=cb.pixmap().rect(); + action = PASTE; + viewport().setCursor( Qt.sizeAllCursor() ); + } + + /** copies a selection to the clipboard */ + void copySelection(){ + select=select.normalize(); + QPixmap cb_pix = new QPixmap(); + cb_pix.resize(select.size()); + // copy selection to cb_pix and copy to clipboard + bitBlt(cb_pix, 0, 0,doc.buffer, select.x()+contentsX(), select.y()+contentsY(), cb_pix.width(),cb_pix.height()); + cb.setPixmap(cb_pix); + action = IDLE; + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + + public void print(QPrinter pPrinter) { + if (pPrinter.setup(this)) { + QPainter p = new QPainter(); + p.begin(pPrinter); + + /////////////////////////////// + // TODO: add your printing code here + p.drawPixmap(0,0,doc.buffer); + /////////////////////////////// + p.end(); + } + } + + protected void viewportMousePressEvent( QMouseEvent e ) { + if ( e.button() == LeftButton && action == IDLE) { + action=DRAW; + doc.polyline.setPoint(0,viewportToContents(e.pos())); + doc.polyline.setPoint(1,viewportToContents(e.pos())); + doc.polyline.setPoint(2,viewportToContents(e.pos())); + doc.updateAllViews(this); + } + else if ( e.button() == RightButton && action == IDLE) { + action = SELECT; + QPoint pt=e.pos(); + int x = pt.x() > contentsWidth() ? contentsWidth() : pt.x(); + int y = pt.y() > contentsHeight() ? contentsHeight() : pt.y(); + select.setLeft(x-1); + select.setTop(y-1); + select.setRight(x-1); + select.setBottom(y-1); + } + else if( action == SELECT ) { + action = IDLE; + + select=select.normalize(); + // drag + if(select.contains(e.pos(), true)) { // point inside the selection + tmp.resize(select.size()); + bitBlt(tmp, 0, 0, doc.buffer, select.x()+contentsX(), select.y()+contentsY(), tmp.width(),tmp.height()); + QImage img =tmp.convertToImage(); + QDragObject d = new QImageDrag( img, viewport(), "" ); + d.setPixmap(KDE.BarIcon("filenew")); + d.drag(); + } + // remove selection + else + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + else if( action == PASTE ) { + if ( e.button() == RightButton ) { + action = IDLE; + viewport().setCursor( Qt.crossCursor() ); + } + QPoint mv_pt = new QPoint(viewport().height(), viewport().width()); + if(new QRect(0,0,mv_pt.x(),mv_pt.y()).contains(e.pos())) + select.moveCenter(e.pos()); + else { + select.moveBottomRight(mv_pt); + } + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + } + + protected void viewportMouseReleaseEvent( QMouseEvent e ) { + if ( action == DRAW ) { + action = IDLE; + doc.updateAllViews(this); + } + if ( action == SELECT) { + QPoint pt=e.pos(); + int x = pt.x() > 0 ? pt.x() : 0; + int y = pt.y() > 0 ? pt.y() : 0; + select.setRight(x); + select.setBottom(y); + QSize size=doc.docSize(); + select = select.intersect(new QRect(0,0,size.width(), size.height())); + } + } + + /** On paste actions inserts the pasted clipboard contents + */ + protected void viewportMouseDoubleClickEvent(QMouseEvent e) { + if( action == PASTE ) { + action = IDLE; + select.moveCenter(e.pos()); + viewport().setCursor( Qt.crossCursor() ); + QPixmap cb_pix = new QPixmap(); + cb_pix.resize(cb.pixmap().size()); + cb_pix=cb.pixmap(); + bitBlt( doc.buffer,contentsX()+select.x(), contentsY()+select.y(),cb_pix, 0, 0, select.width(), select.height()); + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + doc.setModified(); + doc.updateAllViews(this); + } + + } + + protected void viewportMouseMoveEvent( QMouseEvent e ) { + if ( action == DRAW ) { + QPainter painter = new QPainter(); + painter.begin( doc.buffer ); + painter.setPen( doc.currentPen() ); + doc.polyline.setPoint(2, doc.polyline.at(1)); + doc.polyline.setPoint(1, doc.polyline.at(0)); + doc.polyline.setPoint(0, viewportToContents(e.pos())); + painter.drawPolyline( doc.polyline ); + painter.end(); + + QRect r = doc.polyline.boundingRect(); + r = r.normalize(); + r.setLeft( r.left() - doc.penWidth() ); + r.setTop( r.top() - doc.penWidth() ); + r.setRight( r.right() + doc.penWidth() ); + r.setBottom( r.bottom() + doc.penWidth() ); + + bitBlt(viewport(), r.x()-contentsX(), r.y()-contentsY(), doc.buffer, r.x(), r.y(), r.width(),r.height()); + doc.setModified(); + doc.updateAllViews(this); + } + if ( action == SELECT ) { + QPoint pt=e.pos(); + select.setWidth(select.x()+pt.x()); + select.setHeight(select.y()+pt.y()); + select.setRight(pt.x()); + select.setBottom(pt.y()); + QSize size=doc.docSize(); + select = select.intersect(new QRect(0,0,size.width(), size.height())); + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + if( action == PASTE ) { + QPoint mv_pt = new QPoint(viewport().height(), viewport().width()); + if(new QRect(0,0,mv_pt.x(),mv_pt.y()).contains(e.pos())) + select.moveCenter(e.pos()); + else { + select.moveBottomRight(mv_pt); + } + QRect pm_rect=cb.pixmap().rect(); + select.setWidth(pm_rect.width()); + select.setHeight(pm_rect.height()); + QSize size=doc.docSize(); + select = select.intersect(new QRect(0,0,size.width(), size.height())); + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + doc.setModified(); + doc.updateAllViews(this); + } + } + + //void KScribbleView::viewportResizeEvent( QResizeEvent *e ) + //{ + //} + + protected void viewportPaintEvent( QPaintEvent e ) { + bitBlt( viewport(),0, 0, doc.buffer, contentsX(), contentsY(), doc.buffer.width(),doc.buffer.width()); + + if( action == PASTE ) + { + tmp.resize(cb.pixmap().size()); + tmp=cb.pixmap(); + } + if( action == PASTE || action == DRAG ) + { + QSize size=doc.docSize(); + select = select.intersect(new QRect(0,0,size.width(), size.height())); + if(select.intersects(e.rect())) + bitBlt(viewport(), select.x(), select.y(), tmp, 0, 0, select.width(), select.height()); + } + if( action == PASTE || action == DRAG || action == SELECT ) { + if(select.intersects(e.rect())) { + QPainter paint_area = new QPainter(); + paint_area.begin(viewport()); + paint_area.setPen(new QPen(Qt.black(), 0, DashLine)); + paint_area.drawRect( select ); + paint_area.end(); + } + } + + // not implemented for QScrollView yet +// super.viewportPaintEvent(e); + } + + protected void viewportDragEnterEvent ( QDragEnterEvent e) { + e.accept(QImageDrag.canDecode(e)); + action = DRAG; + } + + protected void viewportDragMoveEvent ( QDragMoveEvent e) { + QImage img = new QImage(); + + if ( QImageDrag.canDecode(e) ){ + QImageDrag.decode(e, img); + tmp.resize(img.size()); + tmp.convertFromImage(img); + select.setWidth(tmp.width()); + select.setHeight(tmp.height()); + select.moveCenter(e.pos()); + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + } + + protected void viewportDragLeaveEvent ( QDragLeaveEvent e ) { + action = IDLE; + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + + protected void viewportDropEvent ( QDropEvent e) { + QImage img = new QImage(); + if ( QImageDrag.canDecode(e) ) { + QImageDrag.decode(e, img); + tmp.resize(img.size()); + tmp.convertFromImage(img); + select.setWidth(tmp.width()); + select.setHeight(tmp.height()); + select.moveCenter(e.pos()); + bitBlt(doc.buffer, select.x()+contentsX(), select.y()+contentsY(), tmp,0,0,tmp.width(), tmp.height()); + doc.setModified(); + doc.updateAllViews(this); + } + action = IDLE; + viewport().repaint(0,0,visibleWidth(), visibleHeight(), false); + } + +} |