void drawRectangles(Rectangle[] rects, boolean stippled) {
int xDisplay = display.xDisplay;
int color = OS.XWhitePixel(xDisplay, 0);
int xWindow = OS.XDefaultRootWindow(xDisplay);
if (parent != null) {
xWindow = OS.XtWindow(parent.handle);
if (xWindow == 0) return;
int foreground = parent.getForegroundPixel();
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
int background = control.getBackgroundPixel();
color = foreground ^ background;
}
int gc = OS.XCreateGC(xDisplay, xWindow, 0, null);
OS.XSetForeground(xDisplay, gc, color);
OS.XSetSubwindowMode(xDisplay, gc, OS.IncludeInferiors);
OS.XSetFunction(xDisplay, gc, OS.GXxor);
int stipplePixmap = 0;
if (stippled) {
byte[] bits = {-86, 0, 85, 0, -86, 0, 85, 0, -86, 0, 85, 0, -86, 0, 85, 0};
stipplePixmap = OS.XCreateBitmapFromData(xDisplay, xWindow, bits, 8, 8);
OS.XSetStipple(xDisplay, gc, stipplePixmap);
OS.XSetFillStyle(xDisplay, gc, OS.FillStippled);
OS.XSetLineAttributes(xDisplay, gc, 3, OS.LineSolid, OS.CapButt, OS.JoinMiter);
}
for (int i = 0; i < rects.length; i++) {
Rectangle rect = rects[i];
OS.XDrawRectangle(xDisplay, xWindow, gc, rect.x, rect.y, rect.width, rect.height);
}
if (stippled) {
OS.XFreePixmap(xDisplay, stipplePixmap);
}
OS.XFreeGC(xDisplay, gc);
}
void drawBand(int x, int y, int width, int height) {
if ((style & SWT.SMOOTH) != 0) return;
int display = OS.XtDisplay(parent.handle);
if (display == 0) return;
int window = OS.XtWindow(parent.handle);
if (window == 0) return;
int foreground = parent.getForegroundPixel();
Control control = parent.findBackgroundControl();
if (control == null) control = parent;
int background = control.getBackgroundPixel();
int color = foreground ^ background;
byte[] bits = {-86, 85, -86, 85, -86, 85, -86, 85};
int stipplePixmap = OS.XCreateBitmapFromData(display, window, bits, 8, 8);
int gc = OS.XCreateGC(display, window, 0, null);
OS.XSetForeground(display, gc, color);
OS.XSetStipple(display, gc, stipplePixmap);
OS.XSetSubwindowMode(display, gc, OS.IncludeInferiors);
OS.XSetFillStyle(display, gc, OS.FillStippled);
OS.XSetFunction(display, gc, OS.GXxor);
OS.XFillRectangle(display, window, gc, x, y, width, height);
OS.XFreePixmap(display, stipplePixmap);
OS.XFreeGC(display, gc);
}
int XmNexposureCallback(int w, int client_data, int call_data) {
if ((style & SWT.SEPARATOR) != 0) return 0;
int xDisplay = OS.XtDisplay(handle);
if (xDisplay == 0) return 0;
int xWindow = OS.XtWindow(handle);
if (xWindow == 0) return 0;
int[] argList = {
OS.XmNcolormap, 0,
OS.XmNwidth, 0,
OS.XmNheight, 0,
};
OS.XtGetValues(handle, argList, argList.length / 2);
int width = argList[3], height = argList[5];
Image currentImage = image;
boolean enabled = getEnabled();
if ((parent.style & SWT.FLAT) != 0) {
boolean hasCursor = hasCursor();
/* Set the shadow thickness */
int thickness = 0;
if (set || (hasCursor && enabled)) {
thickness = Math.min(2, display.buttonShadowThickness);
}
argList = new int[] {OS.XmNshadowThickness, thickness};
OS.XtSetValues(handle, argList, argList.length / 2);
/* Determine if hot image should be used */
if (enabled && hasCursor && hotImage != null) {
currentImage = hotImage;
}
}
GCData data = new GCData();
data.device = display;
data.display = xDisplay;
data.drawable = xWindow;
data.font = parent.font;
data.colormap = argList[1];
int xGC = OS.XCreateGC(xDisplay, xWindow, 0, null);
if (xGC == 0) SWT.error(SWT.ERROR_NO_HANDLES);
GC gc = GC.motif_new(xGC, data);
XmAnyCallbackStruct cb = new XmAnyCallbackStruct();
OS.memmove(cb, call_data, XmAnyCallbackStruct.sizeof);
if (cb.event != 0) {
XExposeEvent xEvent = new XExposeEvent();
OS.memmove(xEvent, cb.event, XExposeEvent.sizeof);
Rectangle rect = new Rectangle(xEvent.x, xEvent.y, xEvent.width, xEvent.height);
gc.setClipping(rect);
}
if (!enabled) {
currentImage = disabledImage;
if (currentImage == null && image != null) {
currentImage = new Image(display, image, SWT.IMAGE_DISABLE);
}
Color disabledColor = display.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW);
gc.setForeground(disabledColor);
} else {
gc.setForeground(parent.getForeground());
}
gc.setBackground(parent.getBackground());
int textX = 0, textY = 0, textWidth = 0, textHeight = 0;
if (text.length() != 0) {
int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC;
Point textExtent = gc.textExtent(text, flags);
textWidth = textExtent.x;
textHeight = textExtent.y;
}
int imageX = 0, imageY = 0, imageWidth = 0, imageHeight = 0;
if (currentImage != null) {
Rectangle imageBounds = currentImage.getBounds();
imageWidth = imageBounds.width;
imageHeight = imageBounds.height;
}
int spacing = 0;
if (textWidth != 0 && imageWidth != 0) spacing = 2;
if ((parent.style & SWT.RIGHT) != 0) {
imageX = (width - imageWidth - textWidth - spacing) / 2;
imageY = (height - imageHeight) / 2;
textX = spacing + imageX + imageWidth;
textY = (height - textHeight) / 2;
} else {
imageX = (width - imageWidth) / 2;
imageY = (height - imageHeight - textHeight - spacing) / 2;
textX = (width - textWidth) / 2;
textY = spacing + imageY + imageHeight;
}
if ((style & SWT.DROP_DOWN) != 0) {
textX -= 6;
imageX -= 6;
}
if (textWidth > 0) {
int flags = SWT.DRAW_DELIMITER | SWT.DRAW_TAB | SWT.DRAW_MNEMONIC | SWT.DRAW_TRANSPARENT;
gc.drawText(text, textX, textY, flags);
}
if (imageWidth > 0) gc.drawImage(currentImage, imageX, imageY);
if ((style & SWT.DROP_DOWN) != 0) {
int startX = width - 12, startY = (height - 2) / 2;
int[] arrow = {startX, startY, startX + 3, startY + 3, startX + 6, startY};
gc.setBackground(parent.getForeground());
gc.fillPolygon(arrow);
gc.drawPolygon(arrow);
}
gc.dispose();
OS.XFreeGC(xDisplay, xGC);
if (!enabled && disabledImage == null) {
if (currentImage != null) currentImage.dispose();
}
return 0;
}