Package org.eclipse.swt.widgets

Examples of org.eclipse.swt.widgets.Canvas.redraw()

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            public void runSupport() {
              if (canvas == null || canvas.isDisposed()) {
                return;
              }

              canvas.redraw();
              canvas.update();
              if (curSpinIndex == spinImages.length - 1) {
                curSpinIndex = 0;
              } else {
                curSpinIndex++;
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                    public void runSupport() {
                      if (panel == null || panel.isDisposed())
                        return;
                      Color color = ColorCache.getColor(panel.getDisplay(), r, g, b);
                      blockColors[index] = color;
                      cColor.redraw();
                    }
                  });
                }
              } else {
                if (blockColors[j].isDisposed()
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                  Utils.execSWTThread(new AERunnable() {
                    public void runSupport() {
                      if (panel == null || panel.isDisposed())
                        return;
                      blockColors[index] = defaultColors[index];
                      cColor.redraw();
                    }
                  });
                }
              }
            }
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                shell.open();
                display.timerExec(ms , new Runnable() {
                    @Override
                    public void run() {
                        if (shell.isDisposed()) return;
                        canvas.redraw();
                        display.timerExec(ms, this);
                    }
                });
                while (!shell.isDisposed()) {
                    if (!display.readAndDispatch())
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                shell.open();
                display.timerExec(ms , new Runnable() {
                    @Override
                    public void run() {
                        if (shell.isDisposed()) return;
                        canvas.redraw();
                        display.timerExec(ms, this);
                    }
                });
                while (!shell.isDisposed()) {
                    if (!display.readAndDispatch())
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          return;
        if (busy) {
          index++;
          if (index == images.length)
            index = 0;
          canvas.redraw();
        }
        display.timerExec(150, this);
      }
    });
    final Label status = new Label(parent, SWT.NONE);
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          int ratio = event.current * 100 / event.total;
          progressBar.setSelection(ratio);
          busy = event.current != event.total;
          if (!busy) {
            index = 0;
            canvas.redraw();
          }
        }
        public void completed(ProgressEvent event) {
          itemBack.setEnabled(browser.isBackEnabled());
          itemForward.setEnabled(browser.isForwardEnabled());
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          itemBack.setEnabled(browser.isBackEnabled());
          itemForward.setEnabled(browser.isForwardEnabled());
          progressBar.setSelection(0);
          busy = false;
          index = 0;
          canvas.redraw();
        }
      });
      browser.addStatusTextListener(new StatusTextListener() {
        public void changed(StatusTextEvent event) {
          status.setText(event.text);
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        event.gc.drawLine( 20, 20, 120, 120 );
        event.gc.drawRectangle( 20, 20, 100, 100 );
        event.gc.drawOval( 20, 20, 100, 100 );
      }
    } );
    canvas.redraw();
    shell.open();
  }

  private void createCombo() {
    final Shell shell = new Shell( display, SWT.NO_TRIM );
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          if (heading.getSelection() == -1) {
            heading.setSelection(359);
          }
         
          canvas.redraw();
        }
      });

      canvas.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent e) {
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