Пример #1
0
 LRESULT WM_PRINTCLIENT(int /*long*/ wParam, int /*long*/ lParam) {
   LRESULT result = super.WM_PRINTCLIENT(wParam, lParam);
   if (OS.COMCTL32_MAJOR < 6) {
     RECT rect = new RECT();
     OS.GetClientRect(handle, rect);
     GCData data = new GCData();
     data.device = display;
     data.foreground = getForegroundPixel();
     GC gc = GC.win32_new(wParam, data);
     drawWidget(gc, rect);
     gc.dispose();
   }
   return result;
 }
Пример #2
0
 LRESULT WM_PAINT(int /*long*/ wParam, int /*long*/ lParam) {
   if (OS.COMCTL32_MAJOR >= 6) {
     return super.WM_PAINT(wParam, lParam);
   }
   PAINTSTRUCT ps = new PAINTSTRUCT();
   GCData data = new GCData();
   data.ps = ps;
   data.hwnd = handle;
   GC gc = new_GC(data);
   if (gc != null) {
     int width = ps.right - ps.left;
     int height = ps.bottom - ps.top;
     if (width != 0 && height != 0) {
       RECT rect = new RECT();
       OS.SetRect(rect, ps.left, ps.top, ps.right, ps.bottom);
       drawWidget(gc, rect);
     }
     gc.dispose();
   }
   return LRESULT.ZERO;
 }
Пример #3
0
 LRESULT wmDrawChild(long /*int*/ wParam, long /*int*/ lParam) {
   DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT();
   OS.MoveMemory(struct, lParam, DRAWITEMSTRUCT.sizeof);
   if (image != null) {
     GCData data = new GCData();
     data.device = display;
     GC gc = GC.win32_new(struct.hDC, data);
     /*
      * Bug in Windows.  When a bitmap is included in the
      * menu bar, the HDC seems to already include the left
      * coordinate.  The fix is to ignore this value when
      * the item is in a menu bar.
      */
     int x = (parent.style & SWT.BAR) != 0 ? MARGIN_WIDTH * 2 : struct.left;
     Image image = getEnabled() ? this.image : new Image(display, this.image, SWT.IMAGE_DISABLE);
     gc.drawImage(image, x, struct.top + MARGIN_HEIGHT);
     if (this.image != image) image.dispose();
     gc.dispose();
   }
   if (parent.foreground != -1) OS.SetTextColor(struct.hDC, parent.foreground);
   return null;
 }
Пример #4
0
  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;
  }