Exemplo n.º 1
0
 /**
  * Returns a rectangle describing the size and location relative to its parent of an image at a
  * column in the table. An empty rectangle is returned if index exceeds the index of the table's
  * last column.
  *
  * @param index the index that specifies the column
  * @return the receiver's bounding image rectangle
  * @exception SWTException
  *     <ul>
  *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
  *     </ul>
  */
 public Rectangle getImageBounds(int index) {
   checkWidget();
   if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
   int /*long*/ parentHandle = parent.handle;
   int /*long*/ column = 0;
   if (index >= 0 && index < parent.columnCount) {
     column = parent.columns[index].handle;
   } else {
     column = OS.gtk_tree_view_get_column(parentHandle, index);
   }
   if (column == 0) return new Rectangle(0, 0, 0, 0);
   int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
   if (pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);
   GdkRectangle rect = new GdkRectangle();
   int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
   OS.gtk_widget_realize(parentHandle);
   OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
   OS.gtk_tree_path_free(path);
   if ((parent.getStyle() & SWT.MIRRORED) != 0)
     rect.x = parent.getClientWidth() - rect.width - rect.x;
   /*
    * The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn
    * by the cell renderer.  If there is no image in the cell, the width is zero.  If the table contains
    * images of varying widths, gtk_cell_renderer_get_size() will return the width of the image,
    * not the width of the area in which the image is drawn.
    * New API was added in GTK 2.1.3 for determining the full width of the renderer area.
    * For earlier versions of GTK, the result is only correct if all rows have images of the same
    * width.
    */
   if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
     int[] x = new int[1], w = new int[1];
     OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, x, w);
     rect.x += x[0];
     rect.width = w[0];
   } else {
     int[] w = new int[1];
     OS.gtk_tree_view_column_cell_set_cell_data(column, parent.modelHandle, handle, false, false);
     OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
     rect.width = w[0];
   }
   int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width : 0;
   return new Rectangle(rect.x, rect.y, width, rect.height + 1);
 }
Exemplo n.º 2
0
  /**
   * Returns a rectangle describing the receiver's size and location relative to its parent at a
   * column in the table.
   *
   * @param index the index that specifies the column
   * @return the receiver's bounding column rectangle
   * @exception SWTException
   *     <ul>
   *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
   *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
   *     </ul>
   */
  public Rectangle getBounds(int index) {
    checkWidget();
    if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
    int /*long*/ parentHandle = parent.handle;
    int /*long*/ column = 0;
    if (index >= 0 && index < parent.columnCount) {
      column = parent.columns[index].handle;
    } else {
      column = OS.gtk_tree_view_get_column(parentHandle, index);
    }
    if (column == 0) return new Rectangle(0, 0, 0, 0);
    int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
    OS.gtk_widget_realize(parentHandle);
    GdkRectangle rect = new GdkRectangle();
    OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
    OS.gtk_tree_path_free(path);
    if ((parent.getStyle() & SWT.MIRRORED) != 0)
      rect.x = parent.getClientWidth() - rect.width - rect.x;

    if (index == 0 && (parent.style & SWT.CHECK) != 0) {
      if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
        int[] x = new int[1], w = new int[1];
        OS.gtk_tree_view_column_cell_get_position(column, parent.checkRenderer, x, w);
        rect.x += x[0] + w[0];
        rect.width -= x[0] + w[0];
      } else {
        int[] w = new int[1];
        OS.gtk_cell_renderer_get_size(
            parent.checkRenderer, parentHandle, null, null, null, w, null);
        int[] buffer = new int[1];
        OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
        rect.x += w[0] + buffer[0];
        rect.width -= w[0] + buffer[0];
      }
    }
    int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
    return new Rectangle(rect.x, rect.y, width, rect.height + 1);
  }
Exemplo n.º 3
0
 void redraw() {
   if ((OS.GTK_WIDGET_FLAGS(parent.handle) & OS.GTK_REALIZED) != 0) {
     int /*long*/ parentHandle = parent.handle;
     int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
     GdkRectangle rect = new GdkRectangle();
     OS.gtk_tree_view_get_cell_area(parentHandle, path, 0, rect);
     OS.gtk_tree_path_free(path);
     int /*long*/ window = OS.gtk_tree_view_get_bin_window(parentHandle);
     rect.x = 0;
     int[] w = new int[1], h = new int[1];
     OS.gdk_drawable_get_size(window, w, h);
     rect.width = w[0];
     OS.gdk_window_invalidate_rect(window, rect, false);
   }
 }
Exemplo n.º 4
0
  /**
   * Returns a rectangle describing the size and location relative to its parent of the text at a
   * column in the table. An empty rectangle is returned if index exceeds the index of the table's
   * last column.
   *
   * @param index the index that specifies the column
   * @return the receiver's bounding text rectangle
   * @exception SWTException
   *     <ul>
   *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
   *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
   *     </ul>
   *
   * @since 3.3
   */
  public Rectangle getTextBounds(int index) {
    checkWidget();
    if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED);
    int count = Math.max(1, parent.getColumnCount());
    if (0 > index || index > count - 1) return new Rectangle(0, 0, 0, 0);
    // TODO fully test on early and later versions of GTK
    // shifted a bit too far right on later versions of GTK - however, old Tree also had this
    // problem
    int /*long*/ parentHandle = parent.handle;
    int /*long*/ column = 0;
    if (index >= 0 && index < parent.columnCount) {
      column = parent.columns[index].handle;
    } else {
      column = OS.gtk_tree_view_get_column(parentHandle, index);
    }
    if (column == 0) return new Rectangle(0, 0, 0, 0);
    int /*long*/ textRenderer = parent.getTextRenderer(column);
    int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);
    if (textRenderer == 0 || pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0);

    int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle);
    OS.gtk_widget_realize(parentHandle);

    boolean isExpander = OS.gtk_tree_model_iter_n_children(parent.modelHandle, handle) > 0;
    boolean isExpanded = OS.gtk_tree_view_row_expanded(parentHandle, path);
    OS.gtk_tree_view_column_cell_set_cell_data(
        column, parent.modelHandle, handle, isExpander, isExpanded);

    GdkRectangle rect = new GdkRectangle();
    OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect);
    OS.gtk_tree_path_free(path);
    if ((parent.getStyle() & SWT.MIRRORED) != 0)
      rect.x = parent.getClientWidth() - rect.width - rect.x;
    int right = rect.x + rect.width;

    int[] x = new int[1], w = new int[1];
    parent.ignoreSize = true;
    OS.gtk_cell_renderer_get_size(textRenderer, parentHandle, null, null, null, w, null);
    parent.ignoreSize = false;
    int[] buffer = new int[1];
    if (OS.gtk_tree_view_get_expander_column(parentHandle) == column) {
      OS.gtk_widget_style_get(parentHandle, OS.expander_size, buffer, 0);
      rect.x += buffer[0] + TreeItem.EXPANDER_EXTRA_PADDING;
    }
    OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0);
    int horizontalSeparator = buffer[0];
    rect.x += horizontalSeparator;

    if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) {
      OS.gtk_tree_view_column_cell_get_position(column, textRenderer, x, null);
      rect.x += x[0];
    } else {
      if ((parent.style & SWT.CHECK) != 0) {
        OS.gtk_cell_renderer_get_size(
            parent.checkRenderer, parentHandle, null, null, null, w, null);
        rect.x += w[0] + horizontalSeparator;
      }
      OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null);
      rect.x += w[0] + horizontalSeparator;
    }
    if (parent.columnCount > 0) {
      if (rect.x + rect.width > right) {
        rect.width = Math.max(0, right - rect.x);
      }
    }
    int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0;
    return new Rectangle(rect.x, rect.y, width, rect.height + 1);
  }