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FXScrollWindow.h

00001 /******************************************************************************** 00002 * * 00003 * S c r o l l W i n d o w W i d g e t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2004 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Lesser General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2.1 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public * 00019 * License along with this library; if not, write to the Free Software * 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * 00021 ********************************************************************************* 00022 * $Id: FXScrollWindow.h,v 1.19 2004/02/08 17:17:34 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXSCROLLWINDOW_H 00025 #define FXSCROLLWINDOW_H 00026 00027 #ifndef FXSCROLLAREA_H 00028 #include "FXScrollArea.h" 00029 #endif 00030 00031 namespace FX { 00032 00033 00034 /** 00035 * The scroll window widget scrolls an arbitrary child window. 00036 * Use the scroll window when parts of the user interface itself 00037 * need to be scrolled, for example when applications need to run 00038 * on small screens. The scroll window observes some layout hints of 00039 * its content-window; it observes LAYOUT_FIX_WIDTH, LAYOUT_FIX_HEIGHT 00040 * at all times. The hints LAYOUT_FILL_X, LAYOUT_LEFT, LAYOUT_RIGHT, 00041 * LAYOUT_CENTER_X, as well as LAYOUT_FILL_Y, LAYOUT_TOP, LAYOUT_BOTTOM, 00042 * LAYOUT_CENTER_Y are however only interpreted if the content size 00043 * is smaller than the viewport size, because if the content size is 00044 * larger than the viewport size, then content must be scrolled. 00045 * Note that this means that the content window's position is not 00046 * necessarily equal to the scroll position of the scroll window! 00047 */ 00048 class FXAPI FXScrollWindow : public FXScrollArea { 00049 FXDECLARE(FXScrollWindow) 00050 protected: 00051 FXScrollWindow(){} 00052 virtual void moveContents(FXint x,FXint y); 00053 private: 00054 FXScrollWindow(const FXScrollWindow&); 00055 FXScrollWindow &operator=(const FXScrollWindow&); 00056 public: 00057 long onKeyPress(FXObject*,FXSelector,void*); 00058 long onKeyRelease(FXObject*,FXSelector,void*); 00059 long onFocusSelf(FXObject*,FXSelector,void*); 00060 public: 00061 00062 /// Construct a scroll window 00063 FXScrollWindow(FXComposite* p,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0); 00064 00065 /// Perform layout 00066 virtual void layout(); 00067 00068 /// Return a pointer to the contents window 00069 FXWindow* contentWindow() const; 00070 00071 /// Return the width of the contents 00072 virtual FXint getContentWidth(); 00073 00074 /// Return the height of the contents 00075 virtual FXint getContentHeight(); 00076 }; 00077 00078 } 00079 00080 #endif

Copyright © 1997-2004 Jeroen van der Zijp