/** * Sets the background color at the given column index in the receiver to the color specified by * the argument, or to the default system color for the item if the argument is null. * * @param index the column index * @param color the new color (or null) * @exception IllegalArgumentException * <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed * </ul> * * @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 3.0 */ public void setBackground(int index, Color color) { checkWidget(); if (color != null && color.isDisposed()) { SWT.error(SWT.ERROR_INVALID_ARGUMENT); } if (_getBackground(index).equals(color)) return; int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return; int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; GdkColor gdkColor = color != null ? color.handle : null; OS.gtk_list_store_set( parent.modelHandle, handle, modelIndex + Table.CELL_BACKGROUND, gdkColor, -1); /* * Bug in GTK. When using fixed-height-mode, * row changes do not cause the row to be repainted. The fix is to * invalidate the row when it is cleared. */ if ((parent.style & SWT.VIRTUAL) != 0) { if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) { redraw(); } } cached = true; if (color != null) { boolean customDraw = (parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns[index].customDraw; if (!customDraw) { if ((parent.style & SWT.VIRTUAL) == 0) { int /*long*/ parentHandle = parent.handle; int /*long*/ column = 0; if (parent.columnCount > 0) { column = parent.columns[index].handle; } else { column = OS.gtk_tree_view_get_column(parentHandle, index); } if (column == 0) return; int /*long*/ textRenderer = parent.getTextRenderer(column); int /*long*/ imageRenderer = parent.getPixbufRenderer(column); OS.gtk_tree_view_column_set_cell_data_func( column, textRenderer, display.cellDataProc, parentHandle, 0); OS.gtk_tree_view_column_set_cell_data_func( column, imageRenderer, display.cellDataProc, parentHandle, 0); } if (parent.columnCount == 0) { parent.firstCustomDraw = true; } else { parent.columns[index].customDraw = true; } } } }
/** * Sets the receiver's background color to the color specified by the argument, or to the default * system color for the item if the argument is null. * * @param color the new color (or null) * @exception IllegalArgumentException * <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed * </ul> * * @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 2.0 */ public void setBackground(Color color) { checkWidget(); if (color != null && color.isDisposed()) { SWT.error(SWT.ERROR_INVALID_ARGUMENT); } if (_getBackground().equals(color)) return; GdkColor gdkColor = color != null ? color.handle : null; OS.gtk_list_store_set(parent.modelHandle, handle, Table.BACKGROUND_COLUMN, gdkColor, -1); /* * Bug in GTK. When using fixed-height-mode, * row changes do not cause the row to be repainted. The fix is to * invalidate the row when it is cleared. */ if ((parent.style & SWT.VIRTUAL) != 0) { if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) { redraw(); } } cached = true; }