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; }