shell.setLayout(new FillLayout());
final Display display = shell.getDisplay();
composite = new Composite(shell, SWT.DOUBLE_BUFFERED);
final Point firstMousePos = display.getCursorLocation();
composite.addTraverseListener(new TraverseListener() {
public void keyTraversed(TraverseEvent e) {
if (e.detail == SWT.TRAVERSE_ESCAPE) {
setCancelled(true);
shell.dispose();
} else if (e.detail == SWT.TRAVERSE_ARROW_NEXT) {
setValue(value + 1);
} else if (e.detail == SWT.TRAVERSE_ARROW_PREVIOUS) {
setValue(value - 1);
} else if (e.detail == SWT.TRAVERSE_PAGE_NEXT) {
setValue(value + bigPageIncrement);
} else if (e.detail == SWT.TRAVERSE_PAGE_PREVIOUS) {
setValue(value - bigPageIncrement);
} else if (e.detail == SWT.TRAVERSE_RETURN) {
setCancelled(false);
shell.dispose();
}
}
});
composite.addKeyListener(new KeyListener() {
public void keyReleased(KeyEvent e) {
}
public void keyPressed(KeyEvent e) {
if (e.keyCode == SWT.PAGE_DOWN && e.stateMask == 0) {
setValue(value + pageIncrement);
} else if (e.keyCode == SWT.PAGE_UP && e.stateMask == 0) {
setValue(value - pageIncrement);
} else if (e.keyCode == SWT.HOME) {
setValue(minValue);
} else if (e.keyCode == SWT.END) {
if (maxValue != -1) {
setValue(maxValue);
}
}
}
});
composite.addMouseMoveListener(new MouseMoveListener() {
public void mouseMove(MouseEvent e) {
lastMoveHadMouseDown = false;
boolean hasButtonDown = (e.stateMask & SWT.BUTTON_MASK) > 0
|| assumeInitiallyDown;
if (hasButtonDown) {
if (e.y > HEIGHT - SCALER_HEIGHT) {
lastMoveHadMouseDown = true;
setValue(getValueFromMousePos(e.x));
}
composite.redraw();
} else {
composite.redraw();
}
}
});
composite.addMouseTrackListener(new MouseTrackListener() {
boolean mouseIsOut = false;
private boolean exitCancelled = false;
public void mouseHover(MouseEvent e) {
}
public void mouseExit(MouseEvent e) {
if (!exitCancelled) {
shell.dispose();
} else {
exitCancelled = false;
}
}
public void mouseEnter(MouseEvent e) {
if (mouseIsOut) {
exitCancelled = true;
}
mouseIsOut = false;
}
});
composite.addMouseListener(new MouseListener() {
boolean bMouseDown = false;
public void mouseUp(MouseEvent e) {
if (assumeInitiallyDown) {
assumeInitiallyDown = false;
}
if (MOUSE_ONLY_UP_EXITS) {
if (lastMoveHadMouseDown) {
Point mousePos = display.getCursorLocation();
if (mousePos.equals(firstMousePos)) {
lastMoveHadMouseDown = false;
return;
}
}
bMouseDown = true;
}
if (bMouseDown) {
if (e.y > HEIGHT - SCALER_HEIGHT) {
setValue(getValueFromMousePos(e.x));
setCancelled(false);
if (lastMoveHadMouseDown) {
shell.dispose();
}
} else if (e.y > TEXT_HEIGHT) {
int idx = (e.y - TEXT_HEIGHT) / OPTION_HEIGHT;
Iterator iterator = mapOptions.keySet().iterator();
long newValue;
do {
newValue = ((Long) iterator.next()).intValue();
idx--;
} while (idx >= 0);
value = newValue; // ignore min/max
setCancelled(false);
setMenuChosen(true);
shell.dispose();
}
}
}
public void mouseDown(MouseEvent e) {
if (e.count > 1) {
lastMoveHadMouseDown = true;
return;
}
Point mousePos = display.getCursorLocation();
if (e.y > HEIGHT - SCALER_HEIGHT) {
bMouseDown = true;
setValue(getValueFromMousePos(e.x));
}
}
public void mouseDoubleClick(MouseEvent e) {
}
});
composite.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
int x = (int)(WIDTH_NO_PADDING * value / maxValue);
if (x < 0) {
x = 0;
} else if (x > WIDTH_NO_PADDING) {
x = WIDTH_NO_PADDING;
}
int startX = (int)(WIDTH_NO_PADDING * startValue / maxValue);
if (startX < 0) {
startX = 0;
} else if (startX > WIDTH_NO_PADDING) {
startX = WIDTH_NO_PADDING;
}
int baseLinePos = getBaselinePos();
try {
e.gc.setAdvanced(true);
e.gc.setAntialias(SWT.ON);
} catch (Exception ex) {
// aw
}
e.gc.setForeground(display.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW));
// left
e.gc.drawLine(PADDING_X0, baseLinePos - 6, PADDING_X0, baseLinePos + 6);
// right
e.gc.drawLine(PADDING_X0 + WIDTH_NO_PADDING, baseLinePos - 6,
PADDING_X0 + WIDTH_NO_PADDING, baseLinePos + 6);
// baseline
e.gc.drawLine(PADDING_X0, baseLinePos, PADDING_X0 + WIDTH_NO_PADDING,
baseLinePos);
e.gc.setForeground(display.getSystemColor(SWT.COLOR_WIDGET_FOREGROUND));
e.gc.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_FOREGROUND));
// start value marker
e.gc.drawLine(PADDING_X0 + startX, baseLinePos - 5,
PADDING_X0 + startX, baseLinePos + 5);
// current value marker
e.gc.fillRoundRectangle(PADDING_X0 + x - 2, baseLinePos - 5, 5, 10, 10,
10);
// Current Value Text
e.gc.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
e.gc.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
e.gc.fillRectangle(0, 0, WIDTH, TEXT_HEIGHT);
GCStringPrinter.printString(e.gc,title+"\n"+ _getStringValue(), new Rectangle(0,
0, WIDTH, HEIGHT), true, false, SWT.CENTER | SWT.TOP | SWT.WRAP);
e.gc.drawLine(0, TEXT_HEIGHT - 1, WIDTH, TEXT_HEIGHT - 1);
// options list
int y = TEXT_HEIGHT;
Point mousePos = composite.toControl(display.getCursorLocation());
for (Iterator iter = mapOptions.keySet().iterator(); iter.hasNext();) {
long value = (Long) iter.next();
String text = (String) mapOptions.get(value);
Rectangle area = new Rectangle(0, y, WIDTH, OPTION_HEIGHT);
Color bg;
if (area.contains(mousePos)) {
bg = display.getSystemColor(SWT.COLOR_LIST_SELECTION);
e.gc.setBackground(bg);
e.gc.setForeground(display.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT));
e.gc.fillRectangle(area);
} else {
bg = display.getSystemColor(SWT.COLOR_LIST_BACKGROUND);
e.gc.setBackground(bg);
e.gc.setForeground(display.getSystemColor(SWT.COLOR_LIST_FOREGROUND));
}
int ovalSize = OPTION_HEIGHT - 6;
if (getValue() == value) {
Color saveColor = e.gc.getBackground();
e.gc.setBackground(e.gc.getForeground());
e.gc.fillOval(4, y + 5, ovalSize - 3, ovalSize - 3);
e.gc.setBackground(saveColor);
}
if (JMConstants.isLinux) {
// Hack: on linux, drawing oval seems to draw a line from last pos
// to start of oval.. drawing a point (anywhere) seems to clear the
// path
Color saveColor = e.gc.getForeground();
e.gc.setForeground(bg);
e.gc.drawPoint(2, y + 3);
e.gc.setForeground(saveColor);
}
e.gc.drawOval(2, y + 3, ovalSize, ovalSize);
GCStringPrinter.printString(e.gc, text, new Rectangle(OPTION_HEIGHT,
y, WIDTH - OPTION_HEIGHT, OPTION_HEIGHT), true, false, SWT.LEFT);
y += OPTION_HEIGHT;
}
// typed value
if (sValue.length() > 0) {
Point extent = e.gc.textExtent(sValue);
if (extent.x > WIDTH - 10) {
extent.x = WIDTH - 10;
}
Rectangle rect = new Rectangle(WIDTH - 8 - extent.x, 14,
extent.x + 5, extent.y + 4 + 14 > TEXT_HEIGHT ? TEXT_HEIGHT - 15
: extent.y + 4);
e.gc.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
e.gc.fillRectangle(rect);
try {
e.gc.setAlpha(TYPED_TEXT_ALPHA);
} catch (Exception ex) {
}
e.gc.setBackground(display.getSystemColor(SWT.COLOR_LIST_BACKGROUND));
e.gc.setForeground(display.getSystemColor(SWT.COLOR_LIST_FOREGROUND));
//e.gc.drawRectangle(rect);
GCStringPrinter.printString(e.gc, sValue , new Rectangle(rect.x + 2,
rect.y + 2, WIDTH - 5, OPTION_HEIGHT), true, false, SWT.LEFT
| SWT.BOTTOM);
}
}
});
Point location = display.getCursorLocation();
location.y -= getBaselinePos();
int x = (int) (WIDTH_NO_PADDING * (value > maxValue ? 1 : (double) value
/ maxValue));
location.x -= PADDING_X0 + x;