public Point computeSize(int wHint, int hHint, boolean changed) {
checkWidget();
if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0;
if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0;
int width, height;
if (OS.COMCTL32_MAJOR >= 6) {
int /*long*/ hDC = OS.GetDC(handle);
int /*long*/ newFont = OS.SendMessage(handle, OS.WM_GETFONT, 0, 0);
int /*long*/ oldFont = OS.SelectObject(hDC, newFont);
if (text.length() > 0) {
TCHAR buffer = new TCHAR(getCodePage(), parse(text), false);
RECT rect = new RECT();
int flags = OS.DT_CALCRECT | OS.DT_NOPREFIX;
if (wHint != SWT.DEFAULT) {
flags |= OS.DT_WORDBREAK;
rect.right = wHint;
}
OS.DrawText(hDC, buffer, buffer.length(), rect, flags);
width = rect.right - rect.left;
height = rect.bottom;
} else {
TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW() : new TEXTMETRICA();
OS.GetTextMetrics(hDC, lptm);
width = 0;
height = lptm.tmHeight;
}
if (newFont != 0) OS.SelectObject(hDC, oldFont);
OS.ReleaseDC(handle, hDC);
} else {
int layoutWidth = layout.getWidth();
// TEMPORARY CODE
if (wHint == 0) {
layout.setWidth(1);
Rectangle rect = layout.getBounds();
width = 0;
height = rect.height;
} else {
layout.setWidth(wHint);
Rectangle rect = layout.getBounds();
width = rect.width;
height = rect.height;
}
layout.setWidth(layoutWidth);
}
if (wHint != SWT.DEFAULT) width = wHint;
if (hHint != SWT.DEFAULT) height = hHint;
int border = getBorderWidth();
width += border * 2;
height += border * 2;
return new Point(width, height);
}
@Override
void draw(Theme theme, GC gc, Rectangle bounds) {
if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed()) {
// TODO - drawScale not done
int style = this.style;
int minimum = this.minimum;
int maximum = this.maximum;
int selection = this.selection;
int pageIncrement = this.pageIncrement;
long /*int*/ hTheme = OS.OpenThemeData(0, getClassId());
RECT rect = new RECT();
rect.left = bounds.x;
rect.right = rect.left + bounds.width;
rect.top = bounds.y;
rect.bottom = rect.top + bounds.height;
SIZE size = new SIZE();
if ((style & SWT.VERTICAL) != 0) {
OS.GetThemePartSize(hTheme, gc.handle, OS.TKP_TRACKVERT, 0, null, OS.TS_TRUE, size);
int trackWidth = size.cx - 1;
OS.GetThemePartSize(hTheme, gc.handle, OS.TKP_THUMBVERT, 0, null, OS.TS_TRUE, size);
int thumbWidth = size.cx, thumbHeight = size.cy;
OS.GetThemePartSize(hTheme, gc.handle, OS.TKP_TICS, 0, rect, OS.TS_TRUE, size);
int ticWidth = size.cx;
int marginX = (thumbWidth - trackWidth) / 2;
int marginY = marginX;
marginX += TICS_MARGIN;
rect.left += marginX;
rect.top += marginY;
rect.right = rect.left + trackWidth;
rect.bottom -= marginY;
int trackHeight = rect.bottom - rect.top;
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_TRACKVERT, 0, rect, null);
rect.top +=
((trackHeight - thumbHeight) * (selection - minimum)) / Math.max(1, maximum - minimum);
rect.left -= (thumbWidth - trackWidth) / 2;
rect.right = rect.left + thumbWidth;
rect.bottom = rect.top + thumbHeight;
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_THUMBVERT, 0, rect, null);
rect.top = bounds.y + marginY + thumbHeight / 2;
rect.bottom = rect.top + 1;
for (int sel = minimum; sel <= maximum; sel += pageIncrement) {
rect.left = bounds.x + TICS_MARGIN / 2;
rect.right = rect.left + ticWidth;
if (sel != minimum && sel != maximum) rect.left++;
rect.top = bounds.y + marginY + thumbHeight / 2;
rect.top +=
((trackHeight - thumbHeight) * (sel - minimum)) / Math.max(1, maximum - minimum);
rect.bottom = rect.top + 1;
// TODO - why tics are ot drawn
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_TICSVERT, 1, rect, null);
gc.drawLine(rect.left, rect.top, rect.right, rect.top);
rect.left = bounds.x + TICS_MARGIN + thumbWidth + 1;
rect.right = rect.left + ticWidth;
if (sel != minimum && sel != maximum) rect.right--;
// TODO - why tics are ot drawn
OS.DrawThemeBackground(hTheme, gc.handle, OS.TKP_TICSVERT, 1, rect, null);
gc.drawLine(rect.left, rect.top, rect.right, rect.top);
}
} else {
}
OS.CloseThemeData(hTheme);
}
}