00001 // $Id: scroller.h 1282 2006-06-09 09:46:49Z alex $ 00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE 00003 ================================XARAHEADERSTART=========================== 00004 00005 Xara LX, a vector drawing and manipulation program. 00006 Copyright (C) 1993-2006 Xara Group Ltd. 00007 Copyright on certain contributions may be held in joint with their 00008 respective authors. See AUTHORS file for details. 00009 00010 LICENSE TO USE AND MODIFY SOFTWARE 00011 ---------------------------------- 00012 00013 This file is part of Xara LX. 00014 00015 Xara LX is free software; you can redistribute it and/or modify it 00016 under the terms of the GNU General Public License version 2 as published 00017 by the Free Software Foundation. 00018 00019 Xara LX and its component source files are distributed in the hope 00020 that it will be useful, but WITHOUT ANY WARRANTY; without even the 00021 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00022 See the GNU General Public License for more details. 00023 00024 You should have received a copy of the GNU General Public License along 00025 with Xara LX (see the file GPL in the root directory of the 00026 distribution); if not, write to the Free Software Foundation, Inc., 51 00027 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00028 00029 00030 ADDITIONAL RIGHTS 00031 ----------------- 00032 00033 Conditional upon your continuing compliance with the GNU General Public 00034 License described above, Xara Group Ltd grants to you certain additional 00035 rights. 00036 00037 The additional rights are to use, modify, and distribute the software 00038 together with the wxWidgets library, the wxXtra library, and the "CDraw" 00039 library and any other such library that any version of Xara LX relased 00040 by Xara Group Ltd requires in order to compile and execute, including 00041 the static linking of that library to XaraLX. In the case of the 00042 "CDraw" library, you may satisfy obligation under the GNU General Public 00043 License to provide source code by providing a binary copy of the library 00044 concerned and a copy of the license accompanying it. 00045 00046 Nothing in this section restricts any of the rights you have under 00047 the GNU General Public License. 00048 00049 00050 SCOPE OF LICENSE 00051 ---------------- 00052 00053 This license applies to this program (XaraLX) and its constituent source 00054 files only, and does not necessarily apply to other Xara products which may 00055 in part share the same code base, and are subject to their own licensing 00056 terms. 00057 00058 This license does not apply to files in the wxXtra directory, which 00059 are built into a separate library, and are subject to the wxWindows 00060 license contained within that directory in the file "WXXTRA-LICENSE". 00061 00062 This license does not apply to the binary libraries (if any) within 00063 the "libs" directory, which are subject to a separate license contained 00064 within that directory in the file "LIBS-LICENSE". 00065 00066 00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS 00068 ---------------------------------------------- 00069 00070 Subject to the terms of the GNU Public License (see above), you are 00071 free to do whatever you like with your modifications. However, you may 00072 (at your option) wish contribute them to Xara's source tree. You can 00073 find details of how to do this at: 00074 http://www.xaraxtreme.org/developers/ 00075 00076 Prior to contributing your modifications, you will need to complete our 00077 contributor agreement. This can be found at: 00078 http://www.xaraxtreme.org/developers/contribute/ 00079 00080 Please note that Xara will not accept modifications which modify any of 00081 the text between the start and end of this header (marked 00082 XARAHEADERSTART and XARAHEADEREND). 00083 00084 00085 MARKS 00086 ----- 00087 00088 Xara, Xara LX, Xara X, Xara X/Xtreme, Xara Xtreme, the Xtreme and Xara 00089 designs are registered or unregistered trademarks, design-marks, and/or 00090 service marks of Xara Group Ltd. All rights in these marks are reserved. 00091 00092 00093 Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. 00094 http://www.xara.com/ 00095 00096 =================================XARAHEADEREND============================ 00097 */ 00098 // 00099 // This declares the CScroller, CHorzScroller & 00100 // CVertScroller classes, which implement RISCOS 00101 // style proportional scroll bars under Windows. It 00102 // also declares the CScrollerCorner window, which 00103 // is the "size box" gadget between two scroll bars. 00104 // 00105 /* 00106 * */ 00107 00108 00109 #ifndef SCROLLER__INC 00110 #define SCROLLER__INC 00111 00112 #include "camelot.h" 00113 //#include "ccmaths.h" - in camtypes.h [AUTOMATICALLY REMOVED] 00114 00115 00117 // This user-defined messsage indicates to the window owning the scroller 00118 // that the scroll offset has changed. 00119 00120 #define WM_SCROLLEREVENT (WM_USER + 0x110) 00121 00123 // CScrollerCorner window 00124 00125 /*************************************************************************************** 00126 > class CScrollerCorner : public CWnd 00127 00128 Author: Justin_Flude (Xara Group Ltd) <camelotdev@xara.com> 00129 Created: ages ago 00130 Purpose: This OIL class is the little square in the bottom-right of a window 00131 featuring horizontal and vertical scroll bars. It is currently 00132 completely useless (except visually, of course). 00133 00134 ****************************************************************************************/ 00135 00136 class CScrollerCorner : public wxWindow 00137 { 00138 00140 // Construction 00141 00142 public: 00143 CScrollerCorner(); 00144 virtual BOOL Create(LPCTSTR, LPCTSTR, DWORD style, const wxRect& rect, 00145 wxWindow* pParent, UINT32 id); 00146 00147 private: 00148 wxBitmap SizeBitmap; 00149 00150 00151 private: 00152 DECLARE_EVENT_TABLE() 00153 00154 public: 00155 void OnPaint(wxPaintEvent& event ); 00156 void OnLButtonDown(wxMouseEvent &event ); 00157 00158 void OnSetCursor( wxSetCursorEvent& event ); 00159 }; 00160 00162 00163 class CWinScroller : public wxScrollBar 00164 { 00165 protected: 00166 static INT32 ScrollerSize ; // UIC 00167 /* 00168 XLONG MinVal; // "smallest" scroll value 00169 XLONG MaxVal; // "largest" scroll value 00170 XLONG Range; // the difference between the above 00171 XLONG Delta; // the sign of (MaxVal - MinVal) 00172 XLONG ThumbVal; // current scroll value 00173 00174 XLONG Granularity; // smallest possible scroll delta 00175 XLONG LineSize; // current size of a "line" 00176 XLONG PageSize; // current size of a "page" 00177 00178 BOOL Proportional; 00179 BOOL Enabled; 00180 */ 00181 BOOL Horizontal; 00182 00183 public: 00184 CWinScroller(BOOL Horizontal); 00185 virtual ~CWinScroller(); 00186 BOOL Create(wxWindow* pParent, UINT32 nID, const wxPoint& pos = wxDefaultPosition, 00187 const wxSize& size = wxDefaultSize); 00188 00189 public: 00190 virtual BOOL IsHorizontal() { return Horizontal; }; 00191 /* 00192 void GetScrollPos(XLONG* pxl) const; 00193 static INT32 GetScrollerSize() {return ScrollerSize;}; 00194 void SetGranularity(const XLONG& unit); 00195 00196 void SetScrollPos(const XLONG& n, BOOL redraw = TRUE); 00197 void SetScrollRange(const XLONG& lo, const XLONG& hi, BOOL redraw = TRUE); 00198 00199 void SetLineSize(const XLONG& sz); 00200 void SetPageSize(const XLONG& sz); 00201 00202 void LineUp(); 00203 void LineDown(); 00204 void PageUp(); 00205 void PageDown(); 00206 00207 void ShowScroller(BOOL show = TRUE); 00208 static BOOL HasScrollerSizeChanged(); // UIC 00209 00210 void SetProportional(BOOL bProp); 00211 virtual void CalcPosFromParentClient(LPRECT lpRect); 00212 void HandleScrollMessage(UINT32 nSBCode, UINT32 nPos); 00213 00214 private: 00215 void SnapToGrain(XLONG* pxl) const; 00216 void ClipThumbPos(const XLONG& n); 00217 void MoveThumb(BOOL redraw); 00218 */ 00219 }; 00220 00221 00222 #endif // SCROLLER__INC