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343 lines
12 KiB
343 lines
12 KiB
import org.kde.qt.*;
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import org.kde.koala.*;
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/** The KScribbleView class provides the view widget for the KScribble instance.
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* The View instance inherits TQWidget as a base class and represents the view object of a KMainWindow. As KScribbleView is part of the
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* docuement-view model, it needs a reference to the document object connected with it by the KScribble class to manipulate and display
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* the document structure provided by the KScribbleDoc class.
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*
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* @author Source Framework Automatically Generated by KDevelop, (c) The KDevelop Team.
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* @version KDevelop version 0.4 code generation
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*/
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public class KScribbleView extends TQScrollView {
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private TQClipboard cb;
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private KScribbleDoc doc;
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private static final int IDLE = 0;
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private static final int DRAW = 1;
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private static final int SELECT = 2;
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private static final int PASTE = 3;
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private static final int DRAG = 4;
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private TQPixmap tmp = new TQPixmap();
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private int action = IDLE;
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private TQRect select = new TQRect();
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private KIconLoader k = new KIconLoader();
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private TQImageDrag qid;
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public KScribbleView(KScribbleDoc pDoc, TQWidget parent, String name, int wflags) {
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super(parent, name,wflags | WPaintClever | WNorthWestGravity | WRepaintNoErase);
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setBackgroundMode(PaletteBase);
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cb = TQApplication.clipboard();
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viewport().setAcceptDrops(true);
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setDragAutoScroll(true);
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doc=pDoc;
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action=IDLE;
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viewport().setCursor( Qt.crossCursor() );
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TQSize size=doc.docSize();
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resizeContents(size.width(), size.height());
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resize(size);
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}
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void update(KScribbleView pSender){
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if(pSender != this)
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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public KScribbleDoc getDocument() {
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return doc;
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}
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protected void keyPressEvent( TQKeyEvent e ) {
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switch (e.key()) {
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case Key_Right:
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scrollBy( 10, 0 );
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break;
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case Key_Left:
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scrollBy( -10,0);
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break;
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case Key_Up:
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scrollBy( 0, -10 );
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break;
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case Key_Down:
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scrollBy( 0, 10 );
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break;
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case Key_Home:
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setContentsPos(0,0);
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break;
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case Key_End:
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setContentsPos(0,viewport().height()-viewport().height());
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break;
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case Key_PageUp:
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scrollBy( 0, -viewport().height() );
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break;
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case Key_PageDown:
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scrollBy( 0, viewport().height() );
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break;
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}
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}
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/** cuts out a selection */
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void cutSelection() {
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select=select.normalize();
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TQPixmap cb_pix = new TQPixmap();
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cb_pix.resize(select.size());
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// copy selection to cb_pix and copy to clipboard
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bitBlt(cb_pix,0, 0, doc.buffer, select.x()+contentsX(), select.y()+contentsY(), cb_pix.width(),cb_pix.height());
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cb.setPixmap(cb_pix);
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// fill cb_pix with white and copy to selection area
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cb_pix.fill(Qt.white());
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bitBlt(doc.buffer, select.x()+contentsX(), select.y()+contentsY(),cb_pix, 0, 0, cb_pix.width(), cb_pix.height());
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action = IDLE;
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doc.setModified();
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doc.updateAllViews(this);
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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/** pastes the clipboard contents to a selection that can be inserted into the picture */
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void pasteSelection(){
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select=cb.pixmap().rect();
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action = PASTE;
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viewport().setCursor( Qt.sizeAllCursor() );
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}
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/** copies a selection to the clipboard */
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void copySelection(){
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select=select.normalize();
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TQPixmap cb_pix = new TQPixmap();
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cb_pix.resize(select.size());
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// copy selection to cb_pix and copy to clipboard
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bitBlt(cb_pix, 0, 0,doc.buffer, select.x()+contentsX(), select.y()+contentsY(), cb_pix.width(),cb_pix.height());
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cb.setPixmap(cb_pix);
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action = IDLE;
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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public void print(TQPrinter pPrinter) {
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if (pPrinter.setup(this)) {
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TQPainter p = new TQPainter();
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p.begin(pPrinter);
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///////////////////////////////
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// TODO: add your printing code here
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p.drawPixmap(0,0,doc.buffer);
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///////////////////////////////
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p.end();
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}
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}
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protected void viewportMousePressEvent( TQMouseEvent e ) {
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if ( e.button() == LeftButton && action == IDLE) {
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action=DRAW;
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doc.polyline.setPoint(0,viewportToContents(e.pos()));
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doc.polyline.setPoint(1,viewportToContents(e.pos()));
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doc.polyline.setPoint(2,viewportToContents(e.pos()));
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doc.updateAllViews(this);
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}
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else if ( e.button() == RightButton && action == IDLE) {
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action = SELECT;
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TQPoint pt=e.pos();
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int x = pt.x() > contentsWidth() ? contentsWidth() : pt.x();
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int y = pt.y() > contentsHeight() ? contentsHeight() : pt.y();
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select.setLeft(x-1);
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select.setTop(y-1);
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select.setRight(x-1);
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select.setBottom(y-1);
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}
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else if( action == SELECT ) {
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action = IDLE;
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select=select.normalize();
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// drag
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if(select.contains(e.pos(), true)) { // point inside the selection
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tmp.resize(select.size());
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bitBlt(tmp, 0, 0, doc.buffer, select.x()+contentsX(), select.y()+contentsY(), tmp.width(),tmp.height());
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TQImage img =tmp.convertToImage();
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TQDragObject d = new TQImageDrag( img, viewport(), "" );
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d.setPixmap(KDE.BarIcon("filenew"));
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d.drag();
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}
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// remove selection
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else
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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else if( action == PASTE ) {
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if ( e.button() == RightButton ) {
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action = IDLE;
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viewport().setCursor( Qt.crossCursor() );
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}
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TQPoint mv_pt = new TQPoint(viewport().height(), viewport().width());
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if(new TQRect(0,0,mv_pt.x(),mv_pt.y()).contains(e.pos()))
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select.moveCenter(e.pos());
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else {
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select.moveBottomRight(mv_pt);
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}
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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}
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protected void viewportMouseReleaseEvent( TQMouseEvent e ) {
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if ( action == DRAW ) {
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action = IDLE;
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doc.updateAllViews(this);
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}
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if ( action == SELECT) {
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TQPoint pt=e.pos();
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int x = pt.x() > 0 ? pt.x() : 0;
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int y = pt.y() > 0 ? pt.y() : 0;
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select.setRight(x);
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select.setBottom(y);
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TQSize size=doc.docSize();
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select = select.intersect(new TQRect(0,0,size.width(), size.height()));
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}
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}
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/** On paste actions inserts the pasted clipboard contents
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*/
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protected void viewportMouseDoubleClickEvent(TQMouseEvent e) {
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if( action == PASTE ) {
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action = IDLE;
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select.moveCenter(e.pos());
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viewport().setCursor( Qt.crossCursor() );
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TQPixmap cb_pix = new TQPixmap();
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cb_pix.resize(cb.pixmap().size());
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cb_pix=cb.pixmap();
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bitBlt( doc.buffer,contentsX()+select.x(), contentsY()+select.y(),cb_pix, 0, 0, select.width(), select.height());
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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doc.setModified();
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doc.updateAllViews(this);
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}
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}
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protected void viewportMouseMoveEvent( TQMouseEvent e ) {
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if ( action == DRAW ) {
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TQPainter painter = new TQPainter();
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painter.begin( doc.buffer );
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painter.setPen( doc.currentPen() );
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doc.polyline.setPoint(2, doc.polyline.at(1));
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doc.polyline.setPoint(1, doc.polyline.at(0));
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doc.polyline.setPoint(0, viewportToContents(e.pos()));
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painter.drawPolyline( doc.polyline );
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painter.end();
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TQRect r = doc.polyline.boundingRect();
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r = r.normalize();
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r.setLeft( r.left() - doc.penWidth() );
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r.setTop( r.top() - doc.penWidth() );
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r.setRight( r.right() + doc.penWidth() );
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r.setBottom( r.bottom() + doc.penWidth() );
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bitBlt(viewport(), r.x()-contentsX(), r.y()-contentsY(), doc.buffer, r.x(), r.y(), r.width(),r.height());
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doc.setModified();
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doc.updateAllViews(this);
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}
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if ( action == SELECT ) {
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TQPoint pt=e.pos();
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select.setWidth(select.x()+pt.x());
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select.setHeight(select.y()+pt.y());
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select.setRight(pt.x());
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select.setBottom(pt.y());
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TQSize size=doc.docSize();
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select = select.intersect(new TQRect(0,0,size.width(), size.height()));
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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if( action == PASTE ) {
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TQPoint mv_pt = new TQPoint(viewport().height(), viewport().width());
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if(new TQRect(0,0,mv_pt.x(),mv_pt.y()).contains(e.pos()))
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select.moveCenter(e.pos());
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else {
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select.moveBottomRight(mv_pt);
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}
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TQRect pm_rect=cb.pixmap().rect();
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select.setWidth(pm_rect.width());
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select.setHeight(pm_rect.height());
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TQSize size=doc.docSize();
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select = select.intersect(new TQRect(0,0,size.width(), size.height()));
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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doc.setModified();
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doc.updateAllViews(this);
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}
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}
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//void KScribbleView::viewportResizeEvent( TQResizeEvent *e )
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//{
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//}
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protected void viewportPaintEvent( TQPaintEvent e ) {
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bitBlt( viewport(),0, 0, doc.buffer, contentsX(), contentsY(), doc.buffer.width(),doc.buffer.width());
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if( action == PASTE )
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{
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tmp.resize(cb.pixmap().size());
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tmp=cb.pixmap();
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}
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if( action == PASTE || action == DRAG )
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{
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TQSize size=doc.docSize();
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select = select.intersect(new TQRect(0,0,size.width(), size.height()));
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if(select.intersects(e.rect()))
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bitBlt(viewport(), select.x(), select.y(), tmp, 0, 0, select.width(), select.height());
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}
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if( action == PASTE || action == DRAG || action == SELECT ) {
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if(select.intersects(e.rect())) {
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TQPainter paint_area = new TQPainter();
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paint_area.begin(viewport());
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paint_area.setPen(new TQPen(Qt.black(), 0, DashLine));
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paint_area.drawRect( select );
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paint_area.end();
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}
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}
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// not implemented for TQScrollView yet
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// super.viewportPaintEvent(e);
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}
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protected void viewportDragEnterEvent ( TQDragEnterEvent e) {
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e.accept(TQImageDrag.canDecode(e));
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action = DRAG;
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}
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protected void viewportDragMoveEvent ( TQDragMoveEvent e) {
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TQImage img = new TQImage();
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if ( TQImageDrag.canDecode(e) ){
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TQImageDrag.decode(e, img);
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tmp.resize(img.size());
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tmp.convertFromImage(img);
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select.setWidth(tmp.width());
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select.setHeight(tmp.height());
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select.moveCenter(e.pos());
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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}
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protected void viewportDragLeaveEvent ( TQDragLeaveEvent e ) {
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action = IDLE;
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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protected void viewportDropEvent ( TQDropEvent e) {
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TQImage img = new TQImage();
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if ( TQImageDrag.canDecode(e) ) {
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TQImageDrag.decode(e, img);
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tmp.resize(img.size());
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tmp.convertFromImage(img);
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select.setWidth(tmp.width());
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select.setHeight(tmp.height());
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select.moveCenter(e.pos());
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bitBlt(doc.buffer, select.x()+contentsX(), select.y()+contentsY(), tmp,0,0,tmp.width(), tmp.height());
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doc.setModified();
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doc.updateAllViews(this);
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}
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action = IDLE;
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viewport().repaint(0,0,visibleWidth(), visibleHeight(), false);
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}
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}
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