Exemplo n.º 1
0
  private static void paintImage(GC gc, Point size) {
    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    gc.fillRectangle(0, 0, size.x, size.y);

    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
    gc.fillRoundRectangle(0, 0, size.x - 1, size.y - 1, 10, 10);

    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    gc.drawRoundRectangle(0, 0, size.x - 1, size.y - 1, 10, 10);
    gc.drawText(gc.getFont().getFontData()[0].toString(), 10, 10, true);
  }
Exemplo n.º 2
0
 void pairDraw(GC gc, StyledRegion sr, int start, int end) {
   if (start > text.getCharCount() || end > text.getCharCount()) return;
   if (gc != null) {
     Point left = text.getLocationAtOffset(start);
     Point right = text.getLocationAtOffset(end);
     if (sr != null) {
       if (highlightStyle == HLS_XOR) {
         int resultColor = sr.fore ^ cm.getColor(text.getBackground());
         if (text.getLineAtOffset(text.getCaretOffset()) == text.getLineAtOffset(start)
             && horzCross
             && horzCrossColor != null
             && ((StyledRegion) horzCrossColor).bback)
           resultColor = sr.fore ^ ((StyledRegion) horzCrossColor).back;
         Color color = cm.getColor(sr.bfore, resultColor);
         gc.setBackground(color);
         gc.setXORMode(true);
         gc.fillRectangle(left.x, left.y, right.x - left.x, gc.getFontMetrics().getHeight());
       } else if (highlightStyle == HLS_OUTLINE) {
         Color color = cm.getColor(sr.bfore, sr.fore);
         gc.setForeground(color);
         gc.drawRectangle(
             left.x, left.y, right.x - left.x - 1, gc.getFontMetrics().getHeight() - 1);
       } else if (highlightStyle == HLS_OUTLINE2) {
         Color color = cm.getColor(sr.bfore, sr.fore);
         gc.setForeground(color);
         gc.setLineWidth(2);
         gc.drawRectangle(
             left.x + 1, left.y + 1, right.x - left.x - 2, gc.getFontMetrics().getHeight() - 2);
       }
     }
   } else {
     text.redrawRange(start, end - start, true);
   }
 }
Exemplo n.º 3
0
  private static void paintImage2(GC gc, Point size, int f) {
    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    gc.fillRectangle(0, 0, size.x, size.y);

    // Scale line width, corner roundness, and font size.
    // Caveat: line width expands in all directions, so the origin also has to move.

    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
    gc.fillRoundRectangle(f / 2, f / 2, size.x - f, size.y - f, 10 * f, 10 * f);

    gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    gc.setLineWidth(f);
    gc.drawRoundRectangle(f / 2, f / 2, size.x - f, size.y - f, 10 * f, 10 * f);
    FontData fontData = gc.getFont().getFontData()[0];
    fontData.setHeight(fontData.getHeight() * f);
    Font font = new Font(gc.getDevice(), fontData);
    try {
      gc.setFont(font);
      gc.drawText(fontData.toString(), 10 * f, 10 * f, true);
    } finally {
      font.dispose();
    }
  }
Exemplo n.º 4
0
  void paintStripes(GC gc) {

    if (!showStripes) return;

    Rectangle rect = getClientArea();
    // Subtracted border painted by paint.
    rect = new Rectangle(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4);

    gc.setLineWidth(2);
    gc.setClipping(rect);
    Color color = getDisplay().getSystemColor(SWT.COLOR_LIST_SELECTION);
    gc.setBackground(color);
    gc.fillRectangle(rect);
    gc.setForeground(this.getBackground());
    int step = 12;
    int foregroundValue = value == 0 ? step - 2 : value - 2;
    if (orientation == SWT.HORIZONTAL) {
      int y = rect.y - 1;
      int w = rect.width;
      int h = rect.height + 2;
      for (int i = 0; i < w; i += step) {
        int x = i + foregroundValue;
        gc.drawLine(x, y, x, h);
      }
    } else {
      int x = rect.x - 1;
      int w = rect.width + 2;
      int h = rect.height;

      for (int i = 0; i < h; i += step) {
        int y = i + foregroundValue;
        gc.drawLine(x, y, w, y);
      }
    }

    if (active) {
      value = (value + 2) % step;
    }
  }
  private final void draw(final GC gc, final int offset, final int length) {
    if (gc != null) {
      Point left = mTextWidget.getLocationAtOffset(offset);
      Point right = mTextWidget.getLocationAtOffset(offset + length);
      Color color = mMismatch ? mMismatchColor : mColor;

      if (mBox) {
        gc.setForeground(color);
        int x = left.x;
        int y = left.y;
        int w = right.x - left.x - 1;
        int h = gc.getFontMetrics().getHeight();
        gc.drawRectangle(x, y, w, h);
      } else {
        gc.setForeground(mDefaultColor);
        gc.setBackground(color);
        gc.drawString(mTextWidget.getTextRange(offset, 1), left.x, left.y, false);
      }
    } else {
      mTextWidget.redrawRange(offset, length, true);
    }
  }
Exemplo n.º 6
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;
  }
Exemplo n.º 7
0
 void paint(Event event) {
   if (row == null) return;
   int columnIndex = column == null ? 0 : table.indexOf(column);
   GC gc = event.gc;
   gc.setBackground(getBackground());
   gc.setForeground(getForeground());
   gc.fillRectangle(event.x, event.y, event.width, event.height);
   int x = 0;
   Point size = getSize();
   Image image = row.getImage(columnIndex);
   if (image != null) {
     Rectangle imageSize = image.getBounds();
     int imageY = (size.y - imageSize.height) / 2;
     gc.drawImage(image, x, imageY);
     x += imageSize.width;
   }
   String text = row.getText(columnIndex);
   if (text.length() > 0) {
     Rectangle bounds = row.getBounds(columnIndex);
     Point extent = gc.stringExtent(text);
     // Temporary code - need a better way to determine table trim
     String platform = SWT.getPlatform();
     if ("win32".equals(platform)) { // $NON-NLS-1$
       if (table.getColumnCount() == 0 || columnIndex == 0) {
         x += 2;
       } else {
         int alignmnent = column.getAlignment();
         switch (alignmnent) {
           case SWT.LEFT:
             x += 6;
             break;
           case SWT.RIGHT:
             x = bounds.width - extent.x - 6;
             break;
           case SWT.CENTER:
             x += (bounds.width - x - extent.x) / 2;
             break;
         }
       }
     } else {
       if (table.getColumnCount() == 0) {
         x += 5;
       } else {
         int alignmnent = column.getAlignment();
         switch (alignmnent) {
           case SWT.LEFT:
             x += 5;
             break;
           case SWT.RIGHT:
             x = bounds.width - extent.x - 2;
             break;
           case SWT.CENTER:
             x += (bounds.width - x - extent.x) / 2 + 2;
             break;
         }
       }
     }
     int textY = (size.y - extent.y) / 2;
     gc.drawString(text, x, textY);
   }
   if (isFocusControl()) {
     Display display = getDisplay();
     gc.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
     gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
     gc.drawFocus(0, 0, size.x, size.y);
   }
 }
Exemplo n.º 8
0
  void onPaint(PaintEvent event) {
    Rectangle rect = getClientArea();
    if (rect.width == 0 || rect.height == 0) return;

    boolean shortenText = false;
    String t = text;
    Image img = image;
    int availableWidth = Math.max(0, rect.width - (leftMargin + rightMargin));
    Point extent = getTotalSize(img, t);
    if (extent.x > availableWidth) {
      img = null;
      extent = getTotalSize(img, t);
      if (extent.x > availableWidth) {
        shortenText = true;
      }
    }

    GC gc = event.gc;
    String[] lines = text == null ? null : splitString(text);

    // shorten the text
    if (shortenText) {
      extent.x = 0;
      for (int i = 0; i < lines.length; i++) {
        Point e = gc.textExtent(lines[i], DRAW_FLAGS);
        if (e.x > availableWidth) {
          lines[i] = shortenText(gc, lines[i], availableWidth);
          extent.x = Math.max(extent.x, getTotalSize(null, lines[i]).x);
        } else {
          extent.x = Math.max(extent.x, e.x);
        }
      }
      if (appToolTipText == null) {
        super.setToolTipText(text);
      }
    } else {
      super.setToolTipText(appToolTipText);
    }

    // determine horizontal position
    int x = rect.x + leftMargin;
    if (align == SWT.CENTER) {
      x = (rect.width - extent.x) / 2;
    }
    if (align == SWT.RIGHT) {
      x = rect.width - rightMargin - extent.x;
    }

    // draw a background image behind the text
    try {
      if (backgroundImage != null) {
        // draw a background image behind the text
        Rectangle imageRect = backgroundImage.getBounds();
        // tile image to fill space
        gc.setBackground(getBackground());
        gc.fillRectangle(rect);
        int xPos = 0;
        while (xPos < rect.width) {
          int yPos = 0;
          while (yPos < rect.height) {
            gc.drawImage(backgroundImage, xPos, yPos);
            yPos += imageRect.height;
          }
          xPos += imageRect.width;
        }
      } else if (gradientColors != null) {
        // draw a gradient behind the text
        final Color oldBackground = gc.getBackground();
        if (gradientColors.length == 1) {
          if (gradientColors[0] != null) gc.setBackground(gradientColors[0]);
          gc.fillRectangle(0, 0, rect.width, rect.height);
        } else {
          final Color oldForeground = gc.getForeground();
          Color lastColor = gradientColors[0];
          if (lastColor == null) lastColor = oldBackground;
          int pos = 0;
          for (int i = 0; i < gradientPercents.length; ++i) {
            gc.setForeground(lastColor);
            lastColor = gradientColors[i + 1];
            if (lastColor == null) lastColor = oldBackground;
            gc.setBackground(lastColor);
            if (gradientVertical) {
              final int gradientHeight = (gradientPercents[i] * rect.height / 100) - pos;
              gc.fillGradientRectangle(0, pos, rect.width, gradientHeight, true);
              pos += gradientHeight;
            } else {
              final int gradientWidth = (gradientPercents[i] * rect.width / 100) - pos;
              gc.fillGradientRectangle(pos, 0, gradientWidth, rect.height, false);
              pos += gradientWidth;
            }
          }
          if (gradientVertical && pos < rect.height) {
            gc.setBackground(getBackground());
            gc.fillRectangle(0, pos, rect.width, rect.height - pos);
          }
          if (!gradientVertical && pos < rect.width) {
            gc.setBackground(getBackground());
            gc.fillRectangle(pos, 0, rect.width - pos, rect.height);
          }
          gc.setForeground(oldForeground);
        }
        gc.setBackground(oldBackground);
      } else {
        if (background != null || (getStyle() & SWT.DOUBLE_BUFFERED) == 0) {
          gc.setBackground(getBackground());
          gc.fillRectangle(rect);
        }
      }
    } catch (SWTException e) {
      if ((getStyle() & SWT.DOUBLE_BUFFERED) == 0) {
        gc.setBackground(getBackground());
        gc.fillRectangle(rect);
      }
    }

    // draw border
    int style = getStyle();
    if ((style & SWT.SHADOW_IN) != 0 || (style & SWT.SHADOW_OUT) != 0) {
      paintBorder(gc, rect);
    }

    /*
     * Compute text height and image height. If image height is more than
     * the text height, draw image starting from top margin. Else draw text
     * starting from top margin.
     */
    Rectangle imageRect = null;
    int lineHeight = 0, textHeight = 0, imageHeight = 0;

    if (img != null) {
      imageRect = img.getBounds();
      imageHeight = imageRect.height;
    }
    if (lines != null) {
      lineHeight = gc.getFontMetrics().getHeight();
      textHeight = lines.length * lineHeight;
    }

    int imageY = 0, midPoint = 0, lineY = 0;
    if (imageHeight > textHeight) {
      if (topMargin == DEFAULT_MARGIN && bottomMargin == DEFAULT_MARGIN)
        imageY = rect.y + (rect.height - imageHeight) / 2;
      else imageY = topMargin;
      midPoint = imageY + imageHeight / 2;
      lineY = midPoint - textHeight / 2;
    } else {
      if (topMargin == DEFAULT_MARGIN && bottomMargin == DEFAULT_MARGIN)
        lineY = rect.y + (rect.height - textHeight) / 2;
      else lineY = topMargin;
      midPoint = lineY + textHeight / 2;
      imageY = midPoint - imageHeight / 2;
    }

    // draw the image
    if (img != null) {
      gc.drawImage(
          img, 0, 0, imageRect.width, imageHeight, x, imageY, imageRect.width, imageHeight);
      x += imageRect.width + GAP;
      extent.x -= imageRect.width + GAP;
    }

    // draw the text
    if (lines != null) {
      gc.setForeground(getForeground());
      for (int i = 0; i < lines.length; i++) {
        int lineX = x;
        if (lines.length > 1) {
          if (align == SWT.CENTER) {
            int lineWidth = gc.textExtent(lines[i], DRAW_FLAGS).x;
            lineX = x + Math.max(0, (extent.x - lineWidth) / 2);
          }
          if (align == SWT.RIGHT) {
            int lineWidth = gc.textExtent(lines[i], DRAW_FLAGS).x;
            lineX = Math.max(x, rect.x + rect.width - rightMargin - lineWidth);
          }
        }
        gc.drawText(lines[i], lineX, lineY, DRAW_FLAGS);
        lineY += lineHeight;
      }
    }
  }