src/Utils/TreePropSheet/PropPageFrameDefault.cpp

   1 /********************************************************************\r
   2 *\r
   3 * Copyright (c) 2002 Sven Wiegand <mail@sven-wiegand.de>\r
   4 *\r
   5 * You can use this and modify this in any way you want,\r
   6 * BUT LEAVE THIS HEADER INTACT.\r
   7 *\r
   8 * Redistribution is appreciated.\r
   9 *\r
  10 * $Workfile:$\r
  11 * $Revision:$\r
  12 * $Modtime:$\r
  13 * $Author:$\r
  14 *\r
  15 * Revision History:\r
  16 *       $History:$\r
  17 *\r
  18 *********************************************************************/\r
  19 \r
  20 #include "stdafx.h"\r
  21 #include "PropPageFrameDefault.h"\r
  22 #include "ExtTextOutFL.h"\r
  23 \r
  24 namespace TreePropSheet\r
  25 {\r
  26 \r
  27 \r
  28 //uncomment the following line, if you don't have installed the\r
  29 //new platform SDK\r
  30 #define XPSUPPORT\r
  31 \r
  32 #ifdef XPSUPPORT\r
  33 #include <uxtheme.h>\r
  34 #include <tmschema.h>\r
  35 #endif\r
  36 \r
  37 #ifdef _DEBUG\r
  38 #define new DEBUG_NEW\r
  39 #undef THIS_FILE\r
  40 static char THIS_FILE[] = __FILE__;\r
  41 #endif\r
  42 \r
  43 //-------------------------------------------------------------------\r
  44 // class CThemeLib\r
  45 //-------------------------------------------------------------------\r
  46 \r
  47 #define THEMEAPITYPE(f)                                 typedef HRESULT (__stdcall *_##f)\r
  48 #define THEMEAPITYPE_(t, f)                     typedef t (__stdcall *_##f)\r
  49 #define THEMEAPIPTR(f)                                  _##f m_p##f\r
  50 \r
  51 #ifdef XPSUPPORT\r
  52         #define THEMECALL(f)                                            return (*m_p##f)\r
  53         #define GETTHEMECALL(f)                                 m_p##f = (_##f)GetProcAddress(m_hThemeLib, #f)\r
  54 #else\r
  55         void ThemeDummy(...) {ASSERT(FALSE);}\r
  56         #define HTHEME                                                                  void*\r
  57         #define TABP_PANE                                                               0\r
  58         #define THEMECALL(f)                                            return 0; ThemeDummy\r
  59         #define GETTHEMECALL(f)                                 m_p##f = NULL\r
  60 #endif\r
  61 \r
  62 \r
  63 /**\r
  64 Helper class for loading the uxtheme DLL and providing their \r
  65 functions.\r
  66 \r
  67 One global object of this class exists.\r
  68 \r
  69 @author Sven Wiegand\r
  70 */\r
  71 class CThemeLib\r
  72 {\r
  73 // construction/destruction\r
  74 public:\r
  75         CThemeLib();\r
  76         ~CThemeLib();\r
  77 \r
  78 // operations\r
  79 public:\r
  80         /**\r
  81         Returns TRUE if the call wrappers are available, FALSE otherwise.\r
  82         */\r
  83         BOOL IsAvailable() const;\r
  84 \r
  85 // call wrappers\r
  86 public:\r
  87         BOOL IsThemeActive() \r
  88         {THEMECALL(IsThemeActive)();}\r
  89 \r
  90         HTHEME OpenThemeData(HWND hwnd, LPCWSTR pszClassList) \r
  91         {THEMECALL(OpenThemeData)(hwnd, pszClassList);}\r
  92 \r
  93         HRESULT CloseThemeData(HTHEME hTheme) \r
  94         {THEMECALL(CloseThemeData)(hTheme);}\r
  95 \r
  96         HRESULT GetThemeBackgroundContentRect(HTHEME hTheme, OPTIONAL HDC hdc, int iPartId, int iStateId,  const RECT *pBoundingRect, OUT RECT *pContentRect)\r
  97         {THEMECALL(GetThemeBackgroundContentRect)(hTheme, hdc, iPartId, iStateId, pBoundingRect, pContentRect);}\r
  98 \r
  99         HRESULT DrawThemeBackground(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, OPTIONAL const RECT *pClipRect)\r
 100         {THEMECALL(DrawThemeBackground)(hTheme, hdc, iPartId, iStateId, pRect, pClipRect);}\r
 101 \r
 102 // function pointers\r
 103 private:\r
 104 #ifdef XPSUPPORT\r
 105         THEMEAPITYPE_(BOOL, IsThemeActive)();\r
 106         THEMEAPIPTR(IsThemeActive);\r
 107 \r
 108         THEMEAPITYPE_(HTHEME, OpenThemeData)(HWND hwnd, LPCWSTR pszClassList);\r
 109         THEMEAPIPTR(OpenThemeData);\r
 110 \r
 111         THEMEAPITYPE(CloseThemeData)(HTHEME hTheme);\r
 112         THEMEAPIPTR(CloseThemeData);\r
 113 \r
 114         THEMEAPITYPE(GetThemeBackgroundContentRect)(HTHEME hTheme, OPTIONAL HDC hdc, int iPartId, int iStateId,  const RECT *pBoundingRect, OUT RECT *pContentRect);\r
 115         THEMEAPIPTR(GetThemeBackgroundContentRect);\r
 116 \r
 117         THEMEAPITYPE(DrawThemeBackground)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, OPTIONAL const RECT *pClipRect);\r
 118         THEMEAPIPTR(DrawThemeBackground);\r
 119 #endif\r
 120 \r
 121 // properties\r
 122 private:\r
 123         /** instance handle to the library or NULL. */\r
 124         HINSTANCE m_hThemeLib;\r
 125 };\r
 126 \r
 127 /**\r
 128 One and only instance of CThemeLib.\r
 129 */\r
 130 static CThemeLib g_ThemeLib;\r
 131 \r
 132 \r
 133 CThemeLib::CThemeLib()\r
 134 :       m_hThemeLib(NULL)\r
 135 {\r
 136 #ifdef XPSUPPORT\r
 137         m_hThemeLib = LoadLibrary(_T("uxtheme.dll"));\r
 138         if (!m_hThemeLib)\r
 139                 return;\r
 140 \r
 141         GETTHEMECALL(IsThemeActive);\r
 142         GETTHEMECALL(OpenThemeData);\r
 143         GETTHEMECALL(CloseThemeData);\r
 144         GETTHEMECALL(GetThemeBackgroundContentRect);\r
 145         GETTHEMECALL(DrawThemeBackground);\r
 146 #endif\r
 147 }\r
 148 \r
 149 \r
 150 CThemeLib::~CThemeLib()\r
 151 {\r
 152         if (m_hThemeLib)\r
 153                 FreeLibrary(m_hThemeLib);\r
 154 }\r
 155 \r
 156 \r
 157 BOOL CThemeLib::IsAvailable() const\r
 158 {\r
 159         return m_hThemeLib!=NULL;\r
 160 }\r
 161 \r
 162 \r
 163 //-------------------------------------------------------------------\r
 164 // class CPropPageFrameDefault\r
 165 //-------------------------------------------------------------------\r
 166 \r
 167 BEGIN_MESSAGE_MAP(CPropPageFrameDefault, CWnd)\r
 168         //{{AFX_MSG_MAP(CPropPageFrameDefault)\r
 169         ON_WM_PAINT()\r
 170         ON_WM_ERASEBKGND()\r
 171         //}}AFX_MSG_MAP\r
 172 END_MESSAGE_MAP()\r
 173 \r
 174 \r
 175 CPropPageFrameDefault::CPropPageFrameDefault()\r
 176 {\r
 177 }\r
 178 \r
 179 \r
 180 CPropPageFrameDefault::~CPropPageFrameDefault()\r
 181 {\r
 182         if (m_Images.GetSafeHandle())\r
 183                 m_Images.DeleteImageList();\r
 184 }\r
 185 \r
 186 \r
 187 /////////////////////////////////////////////////////////////////////\r
 188 // Overridings\r
 189 \r
 190 BOOL CPropPageFrameDefault::Create(DWORD dwWindowStyle, const RECT &rect, CWnd *pwndParent, UINT nID)\r
 191 {\r
 192         return CWnd::Create(\r
 193                 AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW, AfxGetApp()->LoadStandardCursor(IDC_ARROW), GetSysColorBrush(COLOR_3DFACE)),\r
 194                 _T("Page Frame"),\r
 195                 dwWindowStyle, rect, pwndParent, nID);\r
 196 }\r
 197 \r
 198 \r
 199 CWnd* CPropPageFrameDefault::GetWnd()\r
 200 {\r
 201         return static_cast<CWnd*>(this);\r
 202 }\r
 203 \r
 204 \r
 205 void CPropPageFrameDefault::SetCaption(LPCTSTR lpszCaption, HICON hIcon /*= NULL*/)\r
 206 {\r
 207         CPropPageFrame::SetCaption(lpszCaption, hIcon);\r
 208 \r
 209         // build image list\r
 210         if (m_Images.GetSafeHandle())\r
 211                 m_Images.DeleteImageList();\r
 212         if (hIcon)\r
 213         {\r
 214                 ICONINFO        ii;\r
 215                 if (!GetIconInfo(hIcon, &ii))\r
 216                         return;\r
 217 \r
 218                 CBitmap bmMask;\r
 219                 bmMask.Attach(ii.hbmMask);\r
 220                 if (ii.hbmColor) DeleteObject(ii.hbmColor);\r
 221 \r
 222                 BITMAP  bm;\r
 223                 bmMask.GetBitmap(&bm);\r
 224 \r
 225                 if (!m_Images.Create(bm.bmWidth, bm.bmHeight, ILC_COLOR32|ILC_MASK, 0, 1))\r
 226                         return;\r
 227 \r
 228                 if (m_Images.Add(hIcon) == -1)\r
 229                         m_Images.DeleteImageList();\r
 230         }\r
 231 }\r
 232 \r
 233 \r
 234 CRect CPropPageFrameDefault::CalcMsgArea()\r
 235 {\r
 236         CRect   rect;\r
 237         GetClientRect(rect);\r
 238         if (g_ThemeLib.IsAvailable() && g_ThemeLib.IsThemeActive())\r
 239         {\r
 240                 HTHEME  hTheme = g_ThemeLib.OpenThemeData(m_hWnd, L"Tab");\r
 241                 if (hTheme)\r
 242                 {\r
 243                         CRect   rectContent;\r
 244                         CDC             *pDc = GetDC();\r
 245                         g_ThemeLib.GetThemeBackgroundContentRect(hTheme, pDc->m_hDC, TABP_PANE, 0, rect, rectContent);\r
 246                         ReleaseDC(pDc);\r
 247                         g_ThemeLib.CloseThemeData(hTheme);\r
 248                         \r
 249                         if (GetShowCaption())\r
 250                                 rectContent.top = rect.top+GetCaptionHeight()+1;\r
 251                         rect = rectContent;\r
 252                 }\r
 253         }\r
 254         else if (GetShowCaption())\r
 255                 rect.top+= GetCaptionHeight()+1;\r
 256         \r
 257         return rect;\r
 258 }\r
 259 \r
 260 \r
 261 CRect CPropPageFrameDefault::CalcCaptionArea()\r
 262 {\r
 263         CRect   rect;\r
 264         GetClientRect(rect);\r
 265         if (g_ThemeLib.IsAvailable() && g_ThemeLib.IsThemeActive())\r
 266         {\r
 267                 HTHEME  hTheme = g_ThemeLib.OpenThemeData(m_hWnd, L"Tab");\r
 268                 if (hTheme)\r
 269                 {\r
 270                         CRect   rectContent;\r
 271                         CDC             *pDc = GetDC();\r
 272                         g_ThemeLib.GetThemeBackgroundContentRect(hTheme, pDc->m_hDC, TABP_PANE, 0, rect, rectContent);\r
 273                         ReleaseDC(pDc);\r
 274                         g_ThemeLib.CloseThemeData(hTheme);\r
 275                         \r
 276                         if (GetShowCaption())\r
 277                                 rectContent.bottom = rect.top+GetCaptionHeight();\r
 278                         else\r
 279                                 rectContent.bottom = rectContent.top;\r
 280 \r
 281                         rect = rectContent;\r
 282                 }\r
 283         }\r
 284         else\r
 285         {\r
 286                 if (GetShowCaption())\r
 287                         rect.bottom = rect.top+GetCaptionHeight();\r
 288                 else\r
 289                         rect.bottom = rect.top;\r
 290         }\r
 291 \r
 292         return rect;\r
 293 }\r
 294 \r
 295 void CPropPageFrameDefault::DrawCaption(CDC *pDc, CRect rect, LPCTSTR lpszCaption, HICON hIcon)\r
 296 {\r
 297         COLORREF        clrLeft = GetSysColor(COLOR_INACTIVECAPTION);\r
 298         COLORREF        clrRight = pDc->GetPixel(rect.right-1, rect.top);\r
 299         FillGradientRectH(pDc, rect, clrLeft, clrRight);\r
 300 \r
 301         // draw icon\r
 302         if (hIcon && m_Images.GetSafeHandle() && m_Images.GetImageCount() == 1)\r
 303         {\r
 304                 IMAGEINFO       ii;\r
 305                 m_Images.GetImageInfo(0, &ii);\r
 306                 CPoint          pt(3, rect.CenterPoint().y - (ii.rcImage.bottom-ii.rcImage.top)/2);\r
 307                 m_Images.Draw(pDc, 0, pt, ILD_TRANSPARENT);\r
 308                 rect.left+= (ii.rcImage.right-ii.rcImage.left) + 3;\r
 309         }\r
 310 \r
 311         // draw text\r
 312         rect.left+= 2;\r
 313 \r
 314         COLORREF        clrPrev = pDc->SetTextColor(GetSysColor(COLOR_CAPTIONTEXT));\r
 315         int                             nBkStyle = pDc->SetBkMode(TRANSPARENT);\r
 316         CFont                   *pFont = (CFont*)pDc->SelectStockObject(SYSTEM_FONT);\r
 317 \r
 318         //pDc->DrawText(lpszCaption, rect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS);\r
 319 \r
 320         TextOutTryFL(pDc->GetSafeHdc(), rect.left, rect.top, lpszCaption, _tcslen(lpszCaption));\r
 321 \r
 322         pDc->SetTextColor(clrPrev);\r
 323         pDc->SetBkMode(nBkStyle);\r
 324         pDc->SelectObject(pFont);\r
 325 }\r
 326 \r
 327 \r
 328 /////////////////////////////////////////////////////////////////////\r
 329 // Implementation helpers\r
 330 \r
 331 void CPropPageFrameDefault::FillGradientRectH(CDC *pDc, const RECT &rect, COLORREF clrLeft, COLORREF clrRight)\r
 332 {\r
 333         // pre calculation\r
 334         int     nSteps = rect.right-rect.left;\r
 335         int     nRRange = GetRValue(clrRight)-GetRValue(clrLeft);\r
 336         int     nGRange = GetGValue(clrRight)-GetGValue(clrLeft);\r
 337         int     nBRange = GetBValue(clrRight)-GetBValue(clrLeft);\r
 338 \r
 339         double  dRStep = (double)nRRange/(double)nSteps;\r
 340         double  dGStep = (double)nGRange/(double)nSteps;\r
 341         double  dBStep = (double)nBRange/(double)nSteps;\r
 342 \r
 343         double  dR = (double)GetRValue(clrLeft);\r
 344         double  dG = (double)GetGValue(clrLeft);\r
 345         double  dB = (double)GetBValue(clrLeft);\r
 346 \r
 347         CPen    *pPrevPen = NULL;\r
 348         for (int x = rect.left; x <= rect.right; ++x)\r
 349         {\r
 350                 CPen    Pen(PS_SOLID, 1, RGB((BYTE)dR, (BYTE)dG, (BYTE)dB));\r
 351                 pPrevPen = pDc->SelectObject(&Pen);\r
 352                 pDc->MoveTo(x, rect.top);\r
 353                 pDc->LineTo(x, rect.bottom);\r
 354                 pDc->SelectObject(pPrevPen);\r
 355                 \r
 356                 dR+= dRStep;\r
 357                 dG+= dGStep;\r
 358                 dB+= dBStep;\r
 359         }\r
 360 }\r
 361 \r
 362 \r
 363 /////////////////////////////////////////////////////////////////////\r
 364 // message handlers\r
 365 \r
 366 void CPropPageFrameDefault::OnPaint() \r
 367 {\r
 368         CPaintDC dc(this);\r
 369         Draw(&dc);      \r
 370 }\r
 371 \r
 372 \r
 373 BOOL CPropPageFrameDefault::OnEraseBkgnd(CDC* pDC) \r
 374 {\r
 375         if (g_ThemeLib.IsAvailable() && g_ThemeLib.IsThemeActive())\r
 376         {\r
 377                 HTHEME  hTheme = g_ThemeLib.OpenThemeData(m_hWnd, L"TREEVIEW");\r
 378                 if (hTheme)\r
 379                 {\r
 380                         CRect   rect;\r
 381                         GetClientRect(rect);\r
 382                         g_ThemeLib.DrawThemeBackground(hTheme, pDC->m_hDC, 0, 0, rect, NULL);\r
 383 \r
 384                         g_ThemeLib.CloseThemeData(hTheme);\r
 385                 }\r
 386                 return TRUE;\r
 387         }\r
 388         else\r
 389         {\r
 390                 return CWnd::OnEraseBkgnd(pDC);\r
 391         }\r
 392 }\r
 393 \r
 394 \r
 395 \r
 396 } //namespace TreePropSheet\r