Examples with PaintListener org.eclipse.swt.events.PaintListener used on opensource projects

Example 21 with PaintListener

use of org.eclipse.swt.events.PaintListener in project tdq-studio-se by Talend.

the class Grid method initListeners.

/**
 * Initialize all listeners.
 */
private void initListeners() {
    disposeListener = new Listener() {

        public void handleEvent(Event e) {
            onDispose(e);
        }
    };
    addListener(SWT.Dispose, disposeListener);
    addPaintListener(new PaintListener() {

        public void paintControl(PaintEvent e) {
            onPaint(e);
        }
    });
    addListener(SWT.Resize, new Listener() {

        public void handleEvent(Event e) {
            onResize();
        }
    });
    if (getVerticalBar() != null) {
        getVerticalBar().addListener(SWT.Selection, new Listener() {

            public void handleEvent(Event e) {
                onScrollSelection();
            }
        });
    }
    if (getHorizontalBar() != null) {
        getHorizontalBar().addListener(SWT.Selection, new Listener() {

            public void handleEvent(Event e) {
                onScrollSelection();
            }
        });
    }
    addListener(SWT.KeyDown, new Listener() {

        public void handleEvent(Event e) {
            onKeyDown(e);
        }
    });
    addTraverseListener(new TraverseListener() {

        public void keyTraversed(TraverseEvent e) {
            e.doit = true;
        }
    });
    addMouseListener(new MouseListener() {

        public void mouseDoubleClick(MouseEvent e) {
            onMouseDoubleClick(e);
        }

        public void mouseDown(MouseEvent e) {
            onMouseDown(e);
        }

        public void mouseUp(MouseEvent e) {
            onMouseUp(e);
        }
    });
    addMouseMoveListener(new MouseMoveListener() {

        public void mouseMove(MouseEvent e) {
            onMouseMove(e);
        }
    });
    addMouseTrackListener(new MouseTrackListener() {

        public void mouseEnter(MouseEvent e) {
        }

        public void mouseExit(MouseEvent e) {
            onMouseExit(e);
        }

        public void mouseHover(MouseEvent e) {
        }
    });
    addFocusListener(new FocusListener() {

        public void focusGained(FocusEvent e) {
            onFocusIn();
            redraw();
        }

        public void focusLost(FocusEvent e) {
            redraw();
        }
    });
    // Special code to reflect mouse wheel events if using an external
    // scroller
    addListener(SWT.MouseWheel, new Listener() {

        public void handleEvent(Event e) {
            onMouseWheel(e);
        }
    });
}

Example 22 with PaintListener

use of org.eclipse.swt.events.PaintListener in project titan.EclipsePlug-ins by eclipse.

the class Overview method overviewAppear.

/**
 * Process overview appear
 */
private void overviewAppear(final int mx, final int my) {
    if (this.overview == null) {
        this.overview = new Shell(this.sv.getShell(), SWT.ON_TOP | SWT.NO_BACKGROUND);
        this.overview.addPaintListener(new PaintListener() {

            @Override
            public void paintControl(final PaintEvent e) {
                Overview.this.sv.drawOverview(e.gc, Overview.this.overview.getClientArea());
            }
        });
    }
    // Always the same..
    this.overview.setForeground(this.sv.viewcontrol.getForeground());
    // Get location of shell (in screen coordinates)
    Point p = toGlobalCoordinates(this.sv.cornerControl, 0, 0);
    int x = p.x;
    int y = p.y;
    int w = this.overviewSize;
    int h = this.overviewSize;
    Rectangle scr = this.sv.getDisplay().getBounds();
    Point ccs = this.sv.cornerControl.getSize();
    try {
        if (this.sv.contentsWidth > this.sv.contentsHeight) {
            float ratio = this.sv.contentsHeight / (float) this.sv.contentsWidth;
            h = (int) (w * ratio);
            if (h < ccs.y) {
                h = ccs.y;
            } else if (h >= scr.height / 2) {
                h = scr.height / 2;
            }
        } else {
            float ratio = this.sv.contentsWidth / (float) this.sv.contentsHeight;
            w = (int) (h * ratio);
            if (w < ccs.x) {
                w = ccs.x;
            } else if (w >= scr.width / 2) {
                w = scr.width / 2;
            }
        }
        this.overviewFactorX = this.sv.contentsWidth / (float) w / 2;
        this.overviewFactorY = this.sv.contentsHeight / (float) h / 2;
    } catch (java.lang.ArithmeticException e) {
    // Do nothing
    }
    if (x <= 0) {
        x = 1;
    }
    if (y <= 0) {
        y = 1;
    }
    x = x - w + ccs.x;
    y = y - h + ccs.y;
    this.overview.setBounds(x, y, w, h);
    this.overview.setVisible(true);
    this.overview.redraw(x, y, w, h, false);
    if (overviewCursor == null) {
        RGB[] rgb = { new RGB(0, 0, 0), new RGB(255, 0, 0) };
        PaletteData pal = new PaletteData(rgb);
        int s = 1;
        byte[] src = new byte[s * s];
        byte[] msk = new byte[s * s];
        for (int i = 0; i < s * s; ++i) {
            src[i] = (byte) 0xFF;
        }
        ImageData iSrc = new ImageData(s, s, 1, pal, 1, src);
        ImageData iMsk = new ImageData(s, s, 1, pal, 1, msk);
        overviewCursor = new Cursor(null, iSrc, iMsk, 0, 0);
    }
    this.sv.cornerControl.setCursor(overviewCursor);
    // convert to global coordinates
    p = toGlobalCoordinates(this.sv.cornerControl, mx, my);
    this.saveCursorX = p.x;
    this.saveCursorY = p.y;
    Rectangle r = this.overview.getClientArea();
    int cx = (int) (r.width * this.sv.contentsX / (float) this.sv.contentsWidth);
    int cy = (int) (r.height * this.sv.contentsY / (float) this.sv.contentsHeight);
    // cx,cy to display's global coordinates
    p = toGlobalCoordinates(this.overview.getParent(), cx, cy);
    cx = p.x;
    cy = p.y;
}

Example 23 with PaintListener

use of org.eclipse.swt.events.PaintListener in project titan.EclipsePlug-ins by eclipse.

the class ScrollView method initListerners.

/**
 * Initialize all listeners
 */
private void initListerners() {
    PaintListener localPaintListener = new PaintListener() {

        @Override
        public void paintControl(final PaintEvent event) {
            // use clipping, to reduce cost of paint.
            Rectangle r = event.gc.getClipping();
            int cx = viewToContentsX(r.x);
            int cy = viewToContentsY(r.y);
            drawContents(event.gc, cx, cy, r.width, r.height);
        }
    };
    this.viewcontrol.addPaintListener(localPaintListener);
    MouseMoveListener localMouseMoveListener = new MouseMoveListener() {

        @Override
        public void mouseMove(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            e.x = viewToContentsX(e.x);
            e.y = viewToContentsY(e.y);
            contentsMouseMoveEvent(e);
            e.x = ox;
            e.y = oy;
        }
    };
    this.viewcontrol.addMouseMoveListener(localMouseMoveListener);
    this.viewcontrol.getVerticalBar().addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            verticalScrollBarEvent(e);
        }
    });
    MouseTrackListener localMouseTrackListener = new MouseTrackListener() {

        @Override
        public void mouseEnter(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            e.x = viewToContentsX(e.x);
            e.y = viewToContentsY(e.y);
            contentsMouseEnter(e);
            e.x = ox;
            e.y = oy;
        }

        @Override
        public void mouseHover(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            e.x = viewToContentsX(e.x);
            e.y = viewToContentsY(e.y);
            contentsMouseHover(e);
            e.x = ox;
            e.y = oy;
        }

        @Override
        public void mouseExit(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            e.x = viewToContentsX(e.x);
            e.y = viewToContentsY(e.y);
            contentsMouseExit(e);
            e.x = ox;
            e.y = oy;
        }
    };
    this.viewcontrol.addMouseTrackListener(localMouseTrackListener);
    MouseListener localMouseListener = new MouseListener() {

        @Override
        public void mouseDoubleClick(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            e.x = viewToContentsX(e.x);
            e.y = viewToContentsY(e.y);
            contentsMouseDoubleClickEvent(e);
            e.x = ox;
            e.y = oy;
            // Notify listeners
            Event event = new Event();
            notifyListeners(SWT.MouseDoubleClick, event);
        }

        @Override
        public void mouseDown(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            ScrollView.this.mouseDownX = viewToContentsX(e.x);
            e.x = ScrollView.this.mouseDownX;
            ScrollView.this.mouseDownY = viewToContentsY(e.y);
            e.y = ScrollView.this.mouseDownY;
            contentsMouseDownEvent(e);
            e.x = ox;
            e.y = oy;
        }

        @Override
        public void mouseUp(final MouseEvent e) {
            int ox = e.x, oy = e.y;
            e.x = viewToContentsX(e.x);
            e.y = viewToContentsY(e.y);
            contentsMouseUpEvent(e);
            e.x = ox;
            e.y = oy;
            ScrollView.this.mouseDownY = -1;
            ScrollView.this.mouseDownX = -1;
        }
    };
    this.viewcontrol.addMouseListener(localMouseListener);
    KeyListener localKeyListener = new KeyListener() {

        @Override
        public void keyPressed(final KeyEvent e) {
            keyPressedEvent(e);
        }

        @Override
        public void keyReleased(final KeyEvent e) {
            keyReleasedEvent(e);
        }
    };
    this.viewcontrol.addKeyListener(localKeyListener);
    getVerticalBar().addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            setContentsPos(ScrollView.this.contentsX, getVerticalBar().getSelection());
            // force focus on viewcontrol_ so we got future mouse wheel's scroll events
            if (!ScrollView.this.viewcontrol.isFocusControl()) {
                ScrollView.this.viewcontrol.setFocus();
            }
        }
    });
    if (this.viewcontrol.getVerticalBar() != null) {
        // add view control hidden scrollbar listener to get mouse wheel ...
        this.viewcontrol.getVerticalBar().addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(final SelectionEvent e) {
                ScrollBar b = ScrollView.this.viewcontrol.getVerticalBar();
                setContentsPos(ScrollView.this.contentsX, b.getSelection());
                // change "real" vertical bar selection too
                getVerticalBar().setSelection(b.getSelection());
            }
        });
    }
    getHorizontalBar().addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            setContentsPos(getHorizontalBar().getSelection(), ScrollView.this.contentsY);
            // force focus on viewcontrol_ so we got future mouse wheel's scroll events
            if (!ScrollView.this.viewcontrol.isFocusControl()) {
                ScrollView.this.viewcontrol.setFocus();
            }
        }
    });
    if (this.viewcontrol.getHorizontalBar() != null) {
        this.viewcontrol.getHorizontalBar().addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(final SelectionEvent e) {
                ScrollBar b = ScrollView.this.viewcontrol.getHorizontalBar();
                setContentsPos(b.getSelection(), ScrollView.this.contentsY);
                // change "real" vertical bar selection too
                getHorizontalBar().setSelection(b.getSelection());
            }
        });
    }
}

Example 24 with PaintListener

use of org.eclipse.swt.events.PaintListener in project BiglyBT by BiglySoftware.

the class MultiPlotGraphic method initialize.

public void initialize(Canvas canvas, boolean is_active) {
    super.initialize(canvas);
    drawCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            if (bufferImage != null && !bufferImage.isDisposed()) {
                Rectangle bounds = bufferImage.getBounds();
                if (bounds.width >= e.width && bounds.height >= e.height) {
                    e.gc.drawImage(bufferImage, e.x, e.y, e.width, e.height, e.x, e.y, e.width, e.height);
                }
            }
        }
    });
    drawCanvas.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(Event event) {
            drawChart(true);
        }
    });
    setActive(is_active);
}

Example 25 with PaintListener

use of org.eclipse.swt.events.PaintListener in project BiglyBT by BiglySoftware.

the class UIFunctionsImpl method showCoreWaitDlg.

// @see UIFunctionsSWT#showCoreWaitDlg()
@Override
public Shell showCoreWaitDlg() {
    final SkinnedDialog closeDialog = new SkinnedDialog("skin3_dlg_coreloading", "coreloading.body", SWT.TITLE | SWT.BORDER | SWT.APPLICATION_MODAL);
    closeDialog.setTitle(MessageText.getString("dlg.corewait.title"));
    SWTSkin skin = closeDialog.getSkin();
    SWTSkinObjectButton soButton = (SWTSkinObjectButton) skin.getSkinObject("close");
    final SWTSkinObjectText soWaitTask = (SWTSkinObjectText) skin.getSkinObject("task");
    final SWTSkinObject soWaitProgress = skin.getSkinObject("progress");
    if (soWaitProgress != null) {
        soWaitProgress.getControl().addPaintListener(new PaintListener() {

            @Override
            public void paintControl(PaintEvent e) {
                Control c = (Control) e.widget;
                Point size = c.getSize();
                e.gc.setBackground(ColorCache.getColor(e.display, "#23a7df"));
                Object data = soWaitProgress.getData("progress");
                if (data instanceof Long) {
                    int waitProgress = ((Long) data).intValue();
                    int breakX = size.x * waitProgress / 100;
                    e.gc.fillRectangle(0, 0, breakX, size.y);
                    e.gc.setBackground(ColorCache.getColor(e.display, "#cccccc"));
                    e.gc.fillRectangle(breakX, 0, size.x - breakX, size.y);
                }
            }
        });
    }
    if (!CoreFactory.isCoreRunning()) {
        final Initializer initializer = Initializer.getLastInitializer();
        if (initializer != null) {
            initializer.addListener(new InitializerListener() {

                @Override
                public void reportPercent(final int percent) {
                    Utils.execSWTThread(new AERunnable() {

                        @Override
                        public void runSupport() {
                            if (soWaitProgress != null && !soWaitProgress.isDisposed()) {
                                soWaitProgress.setData("progress", new Long(percent));
                                soWaitProgress.getControl().redraw();
                                soWaitProgress.getControl().update();
                            }
                        }
                    });
                    if (percent > 100) {
                        initializer.removeListener(this);
                    }
                }

                @Override
                public void reportCurrentTask(String currentTask) {
                    if (soWaitTask != null && !soWaitTask.isDisposed()) {
                        soWaitTask.setText(currentTask);
                    }
                }
            });
        }
    }
    if (soButton != null) {
        soButton.addSelectionListener(new ButtonListenerAdapter() {

            @Override
            public void pressed(SWTSkinButtonUtility buttonUtility, SWTSkinObject skinObject, int stateMask) {
                closeDialog.close();
            }
        });
    }
    closeDialog.addCloseListener(new SkinnedDialogClosedListener() {

        @Override
        public void skinDialogClosed(SkinnedDialog dialog) {
        }
    });
    closeDialog.open();
    return closeDialog.getShell();
}