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| 1 // Windows Template Library - WTL version 8.0 |
| 2 // Copyright (C) Microsoft Corporation. All rights reserved. |
| 3 // |
| 4 // This file is a part of the Windows Template Library. |
| 5 // The use and distribution terms for this software are covered by the |
| 6 // Microsoft Permissive License (Ms-PL) which can be found in the file |
| 7 // Ms-PL.txt at the root of this distribution. |
| 8 |
| 9 #ifndef __ATLTHEME_H__ |
| 10 #define __ATLTHEME_H__ |
| 11 |
| 12 #pragma once |
| 13 |
| 14 #ifndef __cplusplus |
| 15 #error ATL requires C++ compilation (use a .cpp suffix) |
| 16 #endif |
| 17 |
| 18 #ifdef _WIN32_WCE |
| 19 #error atltheme.h is not supported on Windows CE |
| 20 #endif |
| 21 |
| 22 #ifndef __ATLAPP_H__ |
| 23 #error atltheme.h requires atlapp.h to be included first |
| 24 #endif |
| 25 |
| 26 #ifndef __ATLWIN_H__ |
| 27 #error atltheme.h requires atlwin.h to be included first |
| 28 #endif |
| 29 |
| 30 #if (_WIN32_WINNT < 0x0501) |
| 31 #error atltheme.h requires _WIN32_WINNT >= 0x0501 |
| 32 #endif // (_WIN32_WINNT < 0x0501) |
| 33 |
| 34 #if defined(_WTL_USE_VSSYM32) || (defined(NTDDI_VERSION) && (NTDDI_VERSION >= NT
DDI_LONGHORN)) |
| 35 #include <vssym32.h> |
| 36 #else |
| 37 #include <tmschema.h> |
| 38 #endif |
| 39 |
| 40 #include <uxtheme.h> |
| 41 #pragma comment(lib, "uxtheme.lib") |
| 42 |
| 43 // Note: To create an application that also runs on older versions of Windows, |
| 44 // use delay load of uxtheme.dll and ensure that no calls to the Theme API are |
| 45 // made if theming is not supported. It is enough to check if m_hTheme is NULL. |
| 46 // Example: |
| 47 // if(m_hTheme != NULL) |
| 48 // { |
| 49 // DrawThemeBackground(dc, BP_PUSHBUTTON, PBS_NORMAL, &rect, NULL); |
| 50 // DrawThemeText(dc, BP_PUSHBUTTON, PBS_NORMAL, L"Button", -1, DT_S
INGLELINE | DT_CENTER | DT_VCENTER, 0, &rect); |
| 51 // } |
| 52 // else |
| 53 // { |
| 54 // dc.DrawFrameControl(&rect, DFC_BUTTON, DFCS_BUTTONPUSH); |
| 55 // dc.DrawText(_T("Button"), -1, &rect, DT_SINGLELINE | DT_CENTER |
DT_VCENTER); |
| 56 // } |
| 57 // |
| 58 // Delay load is NOT AUTOMATIC for VC++ 7, you have to link to delayimp.lib, |
| 59 // and add uxtheme.dll in the Linker.Input.Delay Loaded DLLs section of the |
| 60 // project properties. |
| 61 #if (_MSC_VER < 1300) && !defined(_WTL_NO_THEME_DELAYLOAD) |
| 62 #pragma comment(lib, "delayimp.lib") |
| 63 #pragma comment(linker, "/delayload:uxtheme.dll") |
| 64 #endif // (_MSC_VER < 1300) && !defined(_WTL_NO_THEME_DELAYLOAD) |
| 65 |
| 66 // Hack: Signatures in uxtheme.h changed - the only way to check which variant o
f uxtheme.h |
| 67 // is included is to check for presence of new defines MAX_THEMECOLOR and MAX_TH
EMESIZE |
| 68 #ifndef _WTL_NEW_UXTHEME |
| 69 #if defined(MAX_THEMECOLOR) && defined(MAX_THEMESIZE) |
| 70 #define _WTL_NEW_UXTHEME |
| 71 #endif // defined(MAX_THEMECOLOR) && defined(MAX_THEMESIZE) |
| 72 #endif // _WTL_NEW_UXTHEME |
| 73 |
| 74 |
| 75 /////////////////////////////////////////////////////////////////////////////// |
| 76 // Classes in this file: |
| 77 // |
| 78 // CTheme |
| 79 // CThemeImpl<T, TBase> |
| 80 // |
| 81 // CBufferedPaint |
| 82 // CBufferedPaintImpl<T> |
| 83 // CBufferedPaintWindowImpl<T, TBase, TWinTraits> |
| 84 // CBufferedAnimation |
| 85 // CBufferedAnimationImpl<T, TState> |
| 86 // CBufferedAnimationWindowImpl<T, TState, TBase, TWinTraits> |
| 87 // |
| 88 // Global functions: |
| 89 // AtlDrawThemeClientEdge() |
| 90 |
| 91 |
| 92 namespace WTL |
| 93 { |
| 94 |
| 95 /////////////////////////////////////////////////////////////////////////////// |
| 96 // CTheme - wrapper for theme handle |
| 97 |
| 98 class CTheme |
| 99 { |
| 100 public: |
| 101 // Data members |
| 102 HTHEME m_hTheme; |
| 103 static int m_nIsThemingSupported; |
| 104 |
| 105 // Constructor |
| 106 CTheme(HTHEME hTheme = NULL) : m_hTheme(hTheme) |
| 107 { |
| 108 IsThemingSupported(); |
| 109 } |
| 110 |
| 111 // Operators and helpers |
| 112 bool IsThemeNull() const |
| 113 { |
| 114 return (m_hTheme == NULL); |
| 115 } |
| 116 |
| 117 CTheme& operator =(HTHEME hTheme) |
| 118 { |
| 119 m_hTheme = hTheme; |
| 120 return *this; |
| 121 } |
| 122 |
| 123 operator HTHEME() const |
| 124 { |
| 125 return m_hTheme; |
| 126 } |
| 127 |
| 128 void Attach(HTHEME hTheme) |
| 129 { |
| 130 m_hTheme = hTheme; |
| 131 } |
| 132 |
| 133 HTHEME Detach() |
| 134 { |
| 135 HTHEME hTheme = m_hTheme; |
| 136 m_hTheme = NULL; |
| 137 return hTheme; |
| 138 } |
| 139 |
| 140 // Theme support helper |
| 141 static bool IsThemingSupported() |
| 142 { |
| 143 if(m_nIsThemingSupported == -1) |
| 144 { |
| 145 CStaticDataInitCriticalSectionLock lock; |
| 146 if(FAILED(lock.Lock())) |
| 147 { |
| 148 ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to l
ock critical section in CTheme::IsThemingSupported.\n")); |
| 149 ATLASSERT(FALSE); |
| 150 return false; |
| 151 } |
| 152 |
| 153 if(m_nIsThemingSupported == -1) |
| 154 { |
| 155 HMODULE hThemeDLL = ::LoadLibrary(_T("uxtheme.dl
l")); |
| 156 m_nIsThemingSupported = (hThemeDLL != NULL) ? 1
: 0; |
| 157 if(hThemeDLL != NULL) |
| 158 ::FreeLibrary(hThemeDLL); |
| 159 } |
| 160 |
| 161 lock.Unlock(); |
| 162 } |
| 163 |
| 164 ATLASSERT(m_nIsThemingSupported != -1); |
| 165 return (m_nIsThemingSupported == 1); |
| 166 } |
| 167 |
| 168 // Operations and theme properties |
| 169 HTHEME OpenThemeData(HWND hWnd, LPCWSTR pszClassList) |
| 170 { |
| 171 if(!IsThemingSupported()) |
| 172 return NULL; |
| 173 |
| 174 ATLASSERT(m_hTheme == NULL); |
| 175 m_hTheme = ::OpenThemeData(hWnd, pszClassList); |
| 176 return m_hTheme; |
| 177 } |
| 178 |
| 179 HRESULT CloseThemeData() |
| 180 { |
| 181 HRESULT hRet = S_FALSE; |
| 182 if(m_hTheme != NULL) |
| 183 { |
| 184 hRet = ::CloseThemeData(m_hTheme); |
| 185 if(SUCCEEDED(hRet)) |
| 186 m_hTheme = NULL; |
| 187 } |
| 188 return hRet; |
| 189 } |
| 190 |
| 191 HRESULT DrawThemeBackground(HDC hDC, int nPartID, int nStateID, LPCRECT
pRect, LPCRECT pClipRect = NULL) |
| 192 { |
| 193 ATLASSERT(m_hTheme != NULL); |
| 194 return ::DrawThemeBackground(m_hTheme, hDC, nPartID, nStateID, p
Rect, pClipRect); |
| 195 } |
| 196 |
| 197 HRESULT DrawThemeBackgroundEx(HDC hDC, int nPartID, int nStateID, LPCREC
T pRect, const DTBGOPTS* pOptions = NULL) |
| 198 { |
| 199 ATLASSERT(m_hTheme != NULL); |
| 200 return ::DrawThemeBackgroundEx(m_hTheme, hDC, nPartID, nStateID,
pRect, pOptions); |
| 201 } |
| 202 |
| 203 HRESULT DrawThemeText(HDC hDC, int nPartID, int nStateID, LPCWSTR pszTex
t, int nCharCount, DWORD dwTextFlags, DWORD dwTextFlags2, LPCRECT pRect) |
| 204 { |
| 205 ATLASSERT(m_hTheme != NULL); |
| 206 return ::DrawThemeText(m_hTheme, hDC, nPartID, nStateID, pszText
, nCharCount, dwTextFlags, dwTextFlags2, pRect); |
| 207 } |
| 208 |
| 209 HRESULT GetThemeBackgroundContentRect(HDC hDC, int nPartID, int nStateID
, LPCRECT pBoundingRect, LPRECT pContentRect) const |
| 210 { |
| 211 ATLASSERT(m_hTheme != NULL); |
| 212 return ::GetThemeBackgroundContentRect(m_hTheme, hDC, nPartID, n
StateID, pBoundingRect, pContentRect); |
| 213 } |
| 214 |
| 215 HRESULT GetThemeBackgroundExtent(HDC hDC, int nPartID, int nStateID, LPC
RECT pContentRect, LPRECT pExtentRect) const |
| 216 { |
| 217 ATLASSERT(m_hTheme != NULL); |
| 218 return ::GetThemeBackgroundExtent(m_hTheme, hDC, nPartID, nState
ID, pContentRect, pExtentRect); |
| 219 } |
| 220 |
| 221 HRESULT GetThemePartSize(HDC hDC, int nPartID, int nStateID, LPRECT pRec
t, enum THEMESIZE eSize, LPSIZE pSize) const |
| 222 { |
| 223 ATLASSERT(m_hTheme != NULL); |
| 224 return ::GetThemePartSize(m_hTheme, hDC, nPartID, nStateID, pRec
t, eSize, pSize); |
| 225 } |
| 226 |
| 227 HRESULT GetThemeTextExtent(HDC hDC, int nPartID, int nStateID, LPCWSTR p
szText, int nCharCount, DWORD dwTextFlags, LPCRECT pBoundingRect, LPRECT pExten
tRect) const |
| 228 { |
| 229 ATLASSERT(m_hTheme != NULL); |
| 230 return ::GetThemeTextExtent(m_hTheme, hDC, nPartID, nStateID, ps
zText, nCharCount, dwTextFlags, pBoundingRect, pExtentRect); |
| 231 } |
| 232 |
| 233 HRESULT GetThemeTextMetrics(HDC hDC, int nPartID, int nStateID, PTEXTMET
RICW pTextMetric) const |
| 234 { |
| 235 ATLASSERT(m_hTheme != NULL); |
| 236 #ifdef _WTL_NEW_UXTHEME |
| 237 return ::GetThemeTextMetrics(m_hTheme, hDC, nPartID, nStateID, p
TextMetric); |
| 238 #else // !_WTL_NEW_UXTHEME |
| 239 // Note: The cast to PTEXTMETRIC is because uxtheme.h incorrectl
y uses it instead of PTEXTMETRICW |
| 240 return ::GetThemeTextMetrics(m_hTheme, hDC, nPartID, nStateID, (
PTEXTMETRIC)pTextMetric); |
| 241 #endif // !_WTL_NEW_UXTHEME |
| 242 } |
| 243 |
| 244 HRESULT GetThemeBackgroundRegion(HDC hDC, int nPartID, int nStateID, LPC
RECT pRect, HRGN* pRegion) const |
| 245 { |
| 246 ATLASSERT(m_hTheme != NULL); |
| 247 return ::GetThemeBackgroundRegion(m_hTheme, hDC, nPartID, nState
ID, pRect, pRegion); |
| 248 } |
| 249 |
| 250 HRESULT HitTestThemeBackground(HDC hDC, int nPartID, int nStateID, DWORD
dwOptions, LPCRECT pRect, HRGN hrgn, POINT ptTest, WORD* pwHitTestCode) const |
| 251 { |
| 252 ATLASSERT(m_hTheme != NULL); |
| 253 return ::HitTestThemeBackground(m_hTheme, hDC, nPartID, nStateID
, dwOptions, pRect, hrgn, ptTest, pwHitTestCode); |
| 254 } |
| 255 |
| 256 HRESULT DrawThemeEdge(HDC hDC, int nPartID, int nStateID, LPCRECT pDestR
ect, UINT uEdge, UINT uFlags, LPRECT pContentRect = NULL) |
| 257 { |
| 258 ATLASSERT(m_hTheme != NULL); |
| 259 return ::DrawThemeEdge(m_hTheme, hDC, nPartID, nStateID, pDestRe
ct, uEdge, uFlags, pContentRect); |
| 260 } |
| 261 |
| 262 HRESULT DrawThemeIcon(HDC hDC, int nPartID, int nStateID, LPCRECT pRect,
HIMAGELIST himl, int nImageIndex) |
| 263 { |
| 264 ATLASSERT(m_hTheme != NULL); |
| 265 return ::DrawThemeIcon(m_hTheme, hDC, nPartID, nStateID, pRect,
himl, nImageIndex); |
| 266 } |
| 267 |
| 268 BOOL IsThemePartDefined(int nPartID, int nStateID) const |
| 269 { |
| 270 ATLASSERT(m_hTheme != NULL); |
| 271 return ::IsThemePartDefined(m_hTheme, nPartID, nStateID); |
| 272 } |
| 273 |
| 274 BOOL IsThemeBackgroundPartiallyTransparent(int nPartID, int nStateID) co
nst |
| 275 { |
| 276 ATLASSERT(m_hTheme != NULL); |
| 277 return ::IsThemeBackgroundPartiallyTransparent(m_hTheme, nPartID
, nStateID); |
| 278 } |
| 279 |
| 280 HRESULT GetThemeColor(int nPartID, int nStateID, int nPropID, COLORREF*
pColor) const |
| 281 { |
| 282 ATLASSERT(m_hTheme != NULL); |
| 283 return ::GetThemeColor(m_hTheme, nPartID, nStateID, nPropID, pCo
lor); |
| 284 } |
| 285 |
| 286 HRESULT GetThemeMetric(HDC hDC, int nPartID, int nStateID, int nPropID,
int* pnVal) const |
| 287 { |
| 288 ATLASSERT(m_hTheme != NULL); |
| 289 return ::GetThemeMetric(m_hTheme, hDC, nPartID, nStateID, nPropI
D, pnVal); |
| 290 } |
| 291 |
| 292 HRESULT GetThemeString(int nPartID, int nStateID, int nPropID, LPWSTR ps
zBuff, int cchMaxBuffChars) const |
| 293 { |
| 294 ATLASSERT(m_hTheme != NULL); |
| 295 return ::GetThemeString(m_hTheme, nPartID, nStateID, nPropID, ps
zBuff, cchMaxBuffChars); |
| 296 } |
| 297 |
| 298 HRESULT GetThemeBool(int nPartID, int nStateID, int nPropID, BOOL* pfVal
) const |
| 299 { |
| 300 ATLASSERT(m_hTheme != NULL); |
| 301 return ::GetThemeBool(m_hTheme, nPartID, nStateID, nPropID, pfVa
l); |
| 302 } |
| 303 |
| 304 HRESULT GetThemeInt(int nPartID, int nStateID, int nPropID, int* pnVal)
const |
| 305 { |
| 306 ATLASSERT(m_hTheme != NULL); |
| 307 return ::GetThemeInt(m_hTheme, nPartID, nStateID, nPropID, pnVal
); |
| 308 } |
| 309 |
| 310 HRESULT GetThemeEnumValue(int nPartID, int nStateID, int nPropID, int* p
nVal) const |
| 311 { |
| 312 ATLASSERT(m_hTheme != NULL); |
| 313 return ::GetThemeEnumValue(m_hTheme, nPartID, nStateID, nPropID,
pnVal); |
| 314 } |
| 315 |
| 316 HRESULT GetThemePosition(int nPartID, int nStateID, int nPropID, LPPOINT
pPoint) const |
| 317 { |
| 318 ATLASSERT(m_hTheme != NULL); |
| 319 return ::GetThemePosition(m_hTheme, nPartID, nStateID, nPropID,
pPoint); |
| 320 } |
| 321 |
| 322 // deprecated |
| 323 HRESULT GetThemeFont(int nPartID, HDC hDC, int nStateID, int nPropID, LO
GFONTW* pFont) const |
| 324 { |
| 325 ATLASSERT(m_hTheme != NULL); |
| 326 #ifdef _WTL_NEW_UXTHEME |
| 327 return ::GetThemeFont(m_hTheme, hDC, nPartID, nStateID, nPropID,
pFont); |
| 328 #else // !_WTL_NEW_UXTHEME |
| 329 // Note: The cast to LOGFONT* is because uxtheme.h incorrectly u
ses it instead of LOGFONTW* |
| 330 return ::GetThemeFont(m_hTheme, hDC, nPartID, nStateID, nPropID,
(LOGFONT*)pFont); |
| 331 #endif // !_WTL_NEW_UXTHEME |
| 332 } |
| 333 |
| 334 HRESULT GetThemeFont(HDC hDC, int nPartID, int nStateID, int nPropID, LO
GFONTW* pFont) const |
| 335 { |
| 336 ATLASSERT(m_hTheme != NULL); |
| 337 #ifdef _WTL_NEW_UXTHEME |
| 338 return ::GetThemeFont(m_hTheme, hDC, nPartID, nStateID, nPropID,
pFont); |
| 339 #else // !_WTL_NEW_UXTHEME |
| 340 // Note: The cast to LOGFONT* is because uxtheme.h incorrectly u
ses it instead of LOGFONTW* |
| 341 return ::GetThemeFont(m_hTheme, hDC, nPartID, nStateID, nPropID,
(LOGFONT*)pFont); |
| 342 #endif // !_WTL_NEW_UXTHEME |
| 343 } |
| 344 |
| 345 HRESULT GetThemeRect(int nPartID, int nStateID, int nPropID, LPRECT pRec
t) const |
| 346 { |
| 347 ATLASSERT(m_hTheme != NULL); |
| 348 return ::GetThemeRect(m_hTheme, nPartID, nStateID, nPropID, pRec
t); |
| 349 } |
| 350 |
| 351 HRESULT GetThemeMargins(HDC hDC, int nPartID, int nStateID, int nPropID,
LPRECT pRect, PMARGINS pMargins) const |
| 352 { |
| 353 ATLASSERT(m_hTheme != NULL); |
| 354 return ::GetThemeMargins(m_hTheme, hDC, nPartID, nStateID, nProp
ID, pRect, pMargins); |
| 355 } |
| 356 |
| 357 HRESULT GetThemeIntList(int nPartID, int nStateID, int nPropID, INTLIST*
pIntList) const |
| 358 { |
| 359 ATLASSERT(m_hTheme != NULL); |
| 360 return ::GetThemeIntList(m_hTheme, nPartID, nStateID, nPropID, p
IntList); |
| 361 } |
| 362 |
| 363 HRESULT GetThemePropertyOrigin(int nPartID, int nStateID, int nPropID, e
num PROPERTYORIGIN* pOrigin) const |
| 364 { |
| 365 ATLASSERT(m_hTheme != NULL); |
| 366 return ::GetThemePropertyOrigin(m_hTheme, nPartID, nStateID, nPr
opID, pOrigin); |
| 367 } |
| 368 |
| 369 HRESULT GetThemeFilename(int nPartID, int nStateID, int nPropID, LPWSTR
pszThemeFileName, int cchMaxBuffChars) const |
| 370 { |
| 371 ATLASSERT(m_hTheme != NULL); |
| 372 return ::GetThemeFilename(m_hTheme, nPartID, nStateID, nPropID,
pszThemeFileName, cchMaxBuffChars); |
| 373 } |
| 374 |
| 375 COLORREF GetThemeSysColor(int nColorID) const |
| 376 { |
| 377 ATLASSERT(m_hTheme != NULL); |
| 378 return ::GetThemeSysColor(m_hTheme, nColorID); |
| 379 } |
| 380 |
| 381 HBRUSH GetThemeSysColorBrush(int nColorID) const |
| 382 { |
| 383 ATLASSERT(m_hTheme != NULL); |
| 384 return ::GetThemeSysColorBrush(m_hTheme, nColorID); |
| 385 } |
| 386 |
| 387 int GetThemeSysSize(int nSizeID) const |
| 388 { |
| 389 ATLASSERT(m_hTheme != NULL); |
| 390 return ::GetThemeSysSize(m_hTheme, nSizeID); |
| 391 } |
| 392 |
| 393 BOOL GetThemeSysBool(int nBoolID) const |
| 394 { |
| 395 ATLASSERT(m_hTheme != NULL); |
| 396 return ::GetThemeSysBool(m_hTheme, nBoolID); |
| 397 } |
| 398 |
| 399 HRESULT GetThemeSysFont(int nFontID, LOGFONTW* plf) const |
| 400 { |
| 401 ATLASSERT(m_hTheme != NULL); |
| 402 #ifdef _WTL_NEW_UXTHEME |
| 403 return ::GetThemeSysFont(m_hTheme, nFontID, plf); |
| 404 #else // !_WTL_NEW_UXTHEME |
| 405 // Note: The cast to LOGFONT* is because uxtheme.h incorrectly u
ses it instead of LOGFONTW* |
| 406 return ::GetThemeSysFont(m_hTheme, nFontID, (LOGFONT*)plf); |
| 407 #endif // !_WTL_NEW_UXTHEME |
| 408 } |
| 409 |
| 410 HRESULT GetThemeSysString(int nStringID, LPWSTR pszStringBuff, int cchMa
xStringChars) const |
| 411 { |
| 412 ATLASSERT(m_hTheme != NULL); |
| 413 return ::GetThemeSysString(m_hTheme, nStringID, pszStringBuff, c
chMaxStringChars); |
| 414 } |
| 415 |
| 416 HRESULT GetThemeSysInt(int nIntID, int* pnValue) const |
| 417 { |
| 418 ATLASSERT(m_hTheme != NULL); |
| 419 return ::GetThemeSysInt(m_hTheme, nIntID, pnValue); |
| 420 } |
| 421 |
| 422 #ifdef _WTL_NEW_UXTHEME |
| 423 HTHEME OpenThemeDataEx(HWND hWnd, LPCWSTR pszClassList, DWORD dwFlags) |
| 424 { |
| 425 if(!IsThemingSupported()) |
| 426 return NULL; |
| 427 |
| 428 ATLASSERT(m_hTheme == NULL); |
| 429 m_hTheme = ::OpenThemeDataEx(hWnd, pszClassList, dwFlags); |
| 430 return m_hTheme; |
| 431 } |
| 432 |
| 433 HRESULT DrawThemeTextEx(HDC hDC, int nPartID, int nStateID, LPCWSTR pszT
ext, int cchText, DWORD dwTextFlags, LPRECT lpRect, const DTTOPTS* pOptions) |
| 434 { |
| 435 ATLASSERT(m_hTheme != NULL); |
| 436 return ::DrawThemeTextEx(m_hTheme, hDC, nPartID, nStateID, pszTe
xt, cchText, dwTextFlags, lpRect, pOptions); |
| 437 } |
| 438 |
| 439 HRESULT GetThemeTransitionDuration(int nPartID, int nFromStateID, int nT
oStateID, int nPropID, DWORD& dwDuration) |
| 440 { |
| 441 ATLASSERT(m_hTheme != NULL); |
| 442 return ::GetThemeTransitionDuration(m_hTheme, nPartID, nFromStat
eID, nToStateID, nPropID, &dwDuration); |
| 443 } |
| 444 #endif // _WTL_NEW_UXTHEME |
| 445 |
| 446 #if (_WIN32_WINNT >= 0x0600) |
| 447 HRESULT GetThemeBitmap(int nPartID, int nStateID, int nPropID, ULONG uFl
ags, HBITMAP& hBitmap) |
| 448 { |
| 449 ATLASSERT(m_hTheme != NULL); |
| 450 return ::GetThemeBitmap(m_hTheme, nPartID, nStateID, nPropID, uF
lags, &hBitmap); |
| 451 } |
| 452 |
| 453 HRESULT GetThemeStream(int nPartID, int nStateID, int nPropID, VOID** pp
vStream, DWORD* pcbStream, HINSTANCE hInstance) |
| 454 { |
| 455 ATLASSERT(m_hTheme != NULL); |
| 456 return ::GetThemeStream(m_hTheme, nPartID, nStateID, nPropID, pp
vStream, pcbStream, hInstance); |
| 457 } |
| 458 #endif // (_WIN32_WINNT >= 0x0600) |
| 459 }; |
| 460 |
| 461 __declspec(selectany) int CTheme::m_nIsThemingSupported = -1; |
| 462 |
| 463 |
| 464 /////////////////////////////////////////////////////////////////////////////// |
| 465 // CThemeImpl - theme support implementation |
| 466 |
| 467 // Derive from this class to implement window with theme support. |
| 468 // Example: |
| 469 // class CMyThemeWindow : public CWindowImpl<CMyThemeWindow>, public CTheme
Impl<CMyThemeWindow> |
| 470 // { |
| 471 // ... |
| 472 // BEGIN_MSG_MAP(CMyThemeWindow) |
| 473 // CHAIN_MSG_MAP(CThemeImpl<CMyThemeWindow>) |
| 474 // ... |
| 475 // END_MSG_MAP() |
| 476 // ... |
| 477 // }; |
| 478 // |
| 479 // If you set theme class list, the class will automaticaly open/close/reopen th
eme data. |
| 480 |
| 481 |
| 482 // Helper for drawing theme client edge |
| 483 inline bool AtlDrawThemeClientEdge(HTHEME hTheme, HWND hWnd, HRGN hRgnUpdate = N
ULL, HBRUSH hBrush = NULL, int nPartID = 0, int nStateID = 0) |
| 484 { |
| 485 ATLASSERT(hTheme != NULL); |
| 486 ATLASSERT(::IsWindow(hWnd)); |
| 487 |
| 488 CWindowDC dc(hWnd); |
| 489 if(dc.IsNull()) |
| 490 return false; |
| 491 |
| 492 // Get border size |
| 493 int cxBorder = GetSystemMetrics(SM_CXBORDER); |
| 494 int cyBorder = GetSystemMetrics(SM_CYBORDER); |
| 495 if(SUCCEEDED(::GetThemeInt(hTheme, nPartID, nStateID, TMT_SIZINGBORDERWI
DTH, &cxBorder))) |
| 496 cyBorder = cxBorder; |
| 497 |
| 498 RECT rect; |
| 499 ::GetWindowRect(hWnd, &rect); |
| 500 |
| 501 // Remove the client edge from the update region |
| 502 int cxEdge = GetSystemMetrics(SM_CXEDGE); |
| 503 int cyEdge = GetSystemMetrics(SM_CYEDGE); |
| 504 ::InflateRect(&rect, -cxEdge, -cyEdge); |
| 505 CRgn rgn; |
| 506 rgn.CreateRectRgnIndirect(&rect); |
| 507 if(rgn.IsNull()) |
| 508 return false; |
| 509 |
| 510 if(hRgnUpdate != NULL) |
| 511 rgn.CombineRgn(hRgnUpdate, rgn, RGN_AND); |
| 512 |
| 513 ::OffsetRect(&rect, -rect.left, -rect.top); |
| 514 |
| 515 ::OffsetRect(&rect, cxEdge, cyEdge); |
| 516 dc.ExcludeClipRect(&rect); |
| 517 ::InflateRect(&rect, cxEdge, cyEdge); |
| 518 |
| 519 ::DrawThemeBackground(hTheme, dc, nPartID, nStateID, &rect, NULL); |
| 520 |
| 521 // Use background brush too, since theme border might not cover everythi
ng |
| 522 if(cxBorder < cxEdge && cyBorder < cyEdge) |
| 523 { |
| 524 if(hBrush == NULL) |
| 525 // need conditional code because types don't match in winuser.h |
| 526 #ifdef _WIN64 |
| 527 hBrush = (HBRUSH)::GetClassLongPtr(hWnd, GCLP_HBRBACKGRO
UND); |
| 528 #else |
| 529 hBrush = (HBRUSH)UlongToPtr(::GetClassLongPtr(hWnd, GCLP
_HBRBACKGROUND)); |
| 530 #endif |
| 531 |
| 532 ::InflateRect(&rect, cxBorder - cxEdge, cyBorder - cyEdge); |
| 533 dc.FillRect(&rect, hBrush); |
| 534 } |
| 535 |
| 536 ::DefWindowProc(hWnd, WM_NCPAINT, (WPARAM)rgn.m_hRgn, 0L); |
| 537 |
| 538 return true; |
| 539 } |
| 540 |
| 541 |
| 542 // Theme extended styles |
| 543 #define THEME_EX_3DCLIENTEDGE 0x00000001 |
| 544 #define THEME_EX_THEMECLIENTEDGE 0x00000002 |
| 545 |
| 546 template <class T, class TBase = CTheme> |
| 547 class CThemeImpl : public TBase |
| 548 { |
| 549 public: |
| 550 // Data members |
| 551 LPWSTR m_lpstrThemeClassList; |
| 552 DWORD m_dwExtendedStyle; // theme specific extended styles |
| 553 |
| 554 // Constructor & destructor |
| 555 CThemeImpl() : m_lpstrThemeClassList(NULL), m_dwExtendedStyle(0) |
| 556 { } |
| 557 |
| 558 ~CThemeImpl() |
| 559 { |
| 560 delete [] m_lpstrThemeClassList; |
| 561 } |
| 562 |
| 563 // Attributes |
| 564 bool SetThemeClassList(LPCWSTR lpstrThemeClassList) |
| 565 { |
| 566 if(m_lpstrThemeClassList != NULL) |
| 567 { |
| 568 delete [] m_lpstrThemeClassList; |
| 569 m_lpstrThemeClassList = NULL; |
| 570 } |
| 571 |
| 572 if(lpstrThemeClassList == NULL) |
| 573 return true; |
| 574 |
| 575 int cchLen = lstrlenW(lpstrThemeClassList) + 1; |
| 576 ATLTRY(m_lpstrThemeClassList = new WCHAR[cchLen]); |
| 577 if(m_lpstrThemeClassList == NULL) |
| 578 return false; |
| 579 |
| 580 SecureHelper::strcpyW_x(m_lpstrThemeClassList, cchLen, lpstrThem
eClassList); |
| 581 |
| 582 return true; |
| 583 } |
| 584 |
| 585 bool GetThemeClassList(LPWSTR lpstrThemeClassList, int cchListBuffer) co
nst |
| 586 { |
| 587 int cchLen = lstrlenW(m_lpstrThemeClassList) + 1; |
| 588 if(cchListBuffer < cchLen) |
| 589 return false; |
| 590 |
| 591 SecureHelper::strcpyW_x(lpstrThemeClassList, cchListBuffer, m_lp
strThemeClassList); |
| 592 |
| 593 return true; |
| 594 } |
| 595 |
| 596 LPCWSTR GetThemeClassList() const |
| 597 { |
| 598 return m_lpstrThemeClassList; |
| 599 } |
| 600 |
| 601 DWORD SetThemeExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0) |
| 602 { |
| 603 DWORD dwPrevStyle = m_dwExtendedStyle; |
| 604 if(dwMask == 0) |
| 605 m_dwExtendedStyle = dwExtendedStyle; |
| 606 else |
| 607 m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwE
xtendedStyle & dwMask); |
| 608 return dwPrevStyle; |
| 609 } |
| 610 |
| 611 DWORD GetThemeExtendedStyle() const |
| 612 { |
| 613 return m_dwExtendedStyle; |
| 614 } |
| 615 |
| 616 // Operations |
| 617 HTHEME OpenThemeData() |
| 618 { |
| 619 T* pT = static_cast<T*>(this); |
| 620 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 621 ATLASSERT(m_lpstrThemeClassList != NULL); |
| 622 if(m_lpstrThemeClassList == NULL) |
| 623 return NULL; |
| 624 CloseThemeData(); |
| 625 return TBase::OpenThemeData(pT->m_hWnd, m_lpstrThemeClassList); |
| 626 } |
| 627 |
| 628 HTHEME OpenThemeData(LPCWSTR pszClassList) |
| 629 { |
| 630 if(!SetThemeClassList(pszClassList)) |
| 631 return NULL; |
| 632 return OpenThemeData(); |
| 633 } |
| 634 |
| 635 HRESULT SetWindowTheme(LPCWSTR pszSubAppName, LPCWSTR pszSubIDList) |
| 636 { |
| 637 if(!IsThemingSupported()) |
| 638 return S_FALSE; |
| 639 |
| 640 T* pT = static_cast<T*>(this); |
| 641 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 642 return ::SetWindowTheme(pT->m_hWnd, pszSubAppName, pszSubIDList)
; |
| 643 } |
| 644 |
| 645 HTHEME GetWindowTheme() const |
| 646 { |
| 647 if(!IsThemingSupported()) |
| 648 return NULL; |
| 649 |
| 650 const T* pT = static_cast<const T*>(this); |
| 651 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 652 return ::GetWindowTheme(pT->m_hWnd); |
| 653 } |
| 654 |
| 655 HRESULT EnableThemeDialogTexture(DWORD dwFlags) |
| 656 { |
| 657 if(!IsThemingSupported()) |
| 658 return S_FALSE; |
| 659 |
| 660 T* pT = static_cast<T*>(this); |
| 661 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 662 return ::EnableThemeDialogTexture(pT->m_hWnd, dwFlags); |
| 663 } |
| 664 |
| 665 BOOL IsThemeDialogTextureEnabled() const |
| 666 { |
| 667 if(!IsThemingSupported()) |
| 668 return FALSE; |
| 669 |
| 670 const T* pT = static_cast<const T*>(this); |
| 671 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 672 return ::IsThemeDialogTextureEnabled(pT->m_hWnd); |
| 673 } |
| 674 |
| 675 HRESULT DrawThemeParentBackground(HDC hDC, const RECT* pRect = NULL) |
| 676 { |
| 677 if(!IsThemingSupported()) |
| 678 return S_FALSE; |
| 679 |
| 680 T* pT = static_cast<T*>(this); |
| 681 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 682 #ifdef _WTL_NEW_UXTHEME |
| 683 return ::DrawThemeParentBackground(pT->m_hWnd, hDC, pRect); |
| 684 #else |
| 685 return ::DrawThemeParentBackground(pT->m_hWnd, hDC, (RECT*)pRect
); |
| 686 #endif |
| 687 } |
| 688 |
| 689 #ifdef _WTL_NEW_UXTHEME |
| 690 HRESULT SetWindowThemeAttribute(WINDOWTHEMEATTRIBUTETYPE type, PVOID pvA
ttribute, DWORD cbAttribute) |
| 691 { |
| 692 if(!IsThemingSupported()) |
| 693 return S_FALSE; |
| 694 |
| 695 T* pT = static_cast<T*>(this); |
| 696 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 697 return ::SetWindowThemeAttribute(pT->m_hWnd, type, pvAttribute,
cbAttribute); |
| 698 } |
| 699 |
| 700 HRESULT SetWindowThemeNonClientAttributes(DWORD dwAttributes, DWORD dwMa
sk) |
| 701 { |
| 702 if(!IsThemingSupported()) |
| 703 return S_FALSE; |
| 704 |
| 705 T* pT = static_cast<T*>(this); |
| 706 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 707 WTA_OPTIONS opt = { dwAttributes, dwMask }; |
| 708 return ::SetWindowThemeAttribute(pT->m_hWnd, WTA_NONCLIENT, (PVO
ID)&opt, sizeof(opt)); |
| 709 } |
| 710 |
| 711 HRESULT DrawThemeParentBackgroundEx(HDC hDC, DWORD dwFlags, const RECT*
lpRect = NULL) |
| 712 { |
| 713 if(!IsThemingSupported()) |
| 714 return S_FALSE; |
| 715 |
| 716 T* pT = static_cast<T*>(this); |
| 717 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 718 return ::DrawThemeParentBackgroundEx(pT->m_hWnd, hDC, dwFlags, l
pRect); |
| 719 } |
| 720 #endif // _WTL_NEW_UXTHEME |
| 721 |
| 722 // Message map and handlers |
| 723 // Note: If you handle any of these messages in your derived class, |
| 724 // it is better to put CHAIN_MSG_MAP at the start of your message map. |
| 725 BEGIN_MSG_MAP(CThemeImpl) |
| 726 MESSAGE_HANDLER(WM_CREATE, OnCreate) |
| 727 MESSAGE_HANDLER(WM_DESTROY, OnDestroy) |
| 728 MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged) |
| 729 MESSAGE_HANDLER(WM_NCPAINT, OnNcPaint) |
| 730 END_MSG_MAP() |
| 731 |
| 732 LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BO
OL& bHandled) |
| 733 { |
| 734 if(m_lpstrThemeClassList != NULL) |
| 735 OpenThemeData(); |
| 736 bHandled = FALSE; |
| 737 return 1; |
| 738 } |
| 739 |
| 740 LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, B
OOL& bHandled) |
| 741 { |
| 742 CloseThemeData(); |
| 743 bHandled = FALSE; |
| 744 return 1; |
| 745 } |
| 746 |
| 747 LRESULT OnThemeChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam
*/, BOOL& bHandled) |
| 748 { |
| 749 CloseThemeData(); |
| 750 if(m_lpstrThemeClassList != NULL) |
| 751 OpenThemeData(); |
| 752 bHandled = FALSE; |
| 753 return 1; |
| 754 } |
| 755 |
| 756 LRESULT OnNcPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandle
d) |
| 757 { |
| 758 T* pT = static_cast<T*>(this); |
| 759 ATLASSERT(::IsWindow(pT->m_hWnd)); |
| 760 LRESULT lRet = 0; |
| 761 bHandled = FALSE; |
| 762 if(IsThemingSupported() && ((pT->GetExStyle() & WS_EX_CLIENTEDGE
) != 0)) |
| 763 { |
| 764 if((m_dwExtendedStyle & THEME_EX_3DCLIENTEDGE) != 0) |
| 765 { |
| 766 lRet = ::DefWindowProc(pT->m_hWnd, uMsg, wParam,
lParam); |
| 767 bHandled = TRUE; |
| 768 } |
| 769 else if((m_hTheme != NULL) && ((m_dwExtendedStyle & THEM
E_EX_THEMECLIENTEDGE) != 0)) |
| 770 { |
| 771 HRGN hRgn = (wParam != 1) ? (HRGN)wParam : NULL; |
| 772 if(pT->DrawThemeClientEdge(hRgn)) |
| 773 bHandled = TRUE; |
| 774 } |
| 775 } |
| 776 return lRet; |
| 777 } |
| 778 |
| 779 // Drawing helper |
| 780 bool DrawThemeClientEdge(HRGN hRgnUpdate) |
| 781 { |
| 782 T* pT = static_cast<T*>(this); |
| 783 return AtlDrawThemeClientEdge(m_hTheme, pT->m_hWnd, hRgnUpdate,
NULL, 0, 0); |
| 784 } |
| 785 }; |
| 786 |
| 787 /////////////////////////////////////////////////////////////////////////////// |
| 788 // Buffered Paint and Animation |
| 789 |
| 790 #ifdef _WTL_NEW_UXTHEME |
| 791 |
| 792 /////////////////////////////////////////////////////////////////////////////// |
| 793 // CBufferedPaintBase - Buffered Paint support for othe classes |
| 794 |
| 795 class CBufferedPaintBase |
| 796 { |
| 797 public: |
| 798 static int m_nIsBufferedPaintSupported; |
| 799 |
| 800 CBufferedPaintBase() |
| 801 { |
| 802 if(IsBufferedPaintSupported()) |
| 803 ATLVERIFY(SUCCEEDED(::BufferedPaintInit())); |
| 804 } |
| 805 |
| 806 ~CBufferedPaintBase() |
| 807 { |
| 808 if(IsBufferedPaintSupported()) |
| 809 ATLVERIFY(SUCCEEDED(::BufferedPaintUnInit())); |
| 810 } |
| 811 |
| 812 static bool IsBufferedPaintSupported() |
| 813 { |
| 814 if(m_nIsBufferedPaintSupported == -1) |
| 815 { |
| 816 CStaticDataInitCriticalSectionLock lock; |
| 817 if(FAILED(lock.Lock())) |
| 818 { |
| 819 ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to l
ock critical section in CBufferedPaintBase::IsBufferedPaintSupported.\n")); |
| 820 ATLASSERT(FALSE); |
| 821 return false; |
| 822 } |
| 823 |
| 824 if(m_nIsBufferedPaintSupported == -1) |
| 825 m_nIsBufferedPaintSupported = RunTimeHelper::IsV
ista() ? 1 : 0; |
| 826 |
| 827 lock.Unlock(); |
| 828 } |
| 829 |
| 830 ATLASSERT(m_nIsBufferedPaintSupported != -1); |
| 831 return (m_nIsBufferedPaintSupported == 1); |
| 832 } |
| 833 }; |
| 834 |
| 835 __declspec(selectany) int CBufferedPaintBase::m_nIsBufferedPaintSupported = -1; |
| 836 |
| 837 |
| 838 /////////////////////////////////////////////////////////////////////////////// |
| 839 // CBufferedPaint - support for buffered paint functions |
| 840 |
| 841 class CBufferedPaint |
| 842 { |
| 843 public: |
| 844 HPAINTBUFFER m_hPaintBuffer; |
| 845 |
| 846 CBufferedPaint() : m_hPaintBuffer(NULL) |
| 847 { } |
| 848 |
| 849 ~CBufferedPaint() |
| 850 { |
| 851 ATLVERIFY(SUCCEEDED(End())); |
| 852 } |
| 853 |
| 854 bool IsNull() const |
| 855 { |
| 856 return (m_hPaintBuffer == NULL); |
| 857 } |
| 858 |
| 859 HPAINTBUFFER Begin(HDC hdcTarget, const RECT* prcTarget, BP_BUFFERFORMAT
dwFormat, BP_PAINTPARAMS* pPaintParams, HDC* phdcPaint) |
| 860 { |
| 861 ATLASSERT(m_hPaintBuffer == NULL); |
| 862 m_hPaintBuffer = ::BeginBufferedPaint(hdcTarget, prcTarget, dwFo
rmat, pPaintParams, phdcPaint); |
| 863 return m_hPaintBuffer; |
| 864 } |
| 865 |
| 866 HRESULT End(BOOL bUpdate = TRUE) |
| 867 { |
| 868 HRESULT hRet = S_FALSE; |
| 869 if(m_hPaintBuffer != NULL) |
| 870 { |
| 871 hRet = ::EndBufferedPaint(m_hPaintBuffer, bUpdate); |
| 872 m_hPaintBuffer = NULL; |
| 873 } |
| 874 return hRet; |
| 875 } |
| 876 |
| 877 HRESULT GetTargetRect(LPRECT pRect) const |
| 878 { |
| 879 ATLASSERT(m_hPaintBuffer != NULL); |
| 880 return ::GetBufferedPaintTargetRect(m_hPaintBuffer, pRect); |
| 881 } |
| 882 |
| 883 HDC GetTargetDC() const |
| 884 { |
| 885 ATLASSERT(m_hPaintBuffer != NULL); |
| 886 return ::GetBufferedPaintTargetDC(m_hPaintBuffer); |
| 887 } |
| 888 |
| 889 HDC GetPaintDC() const |
| 890 { |
| 891 ATLASSERT(m_hPaintBuffer != NULL); |
| 892 return ::GetBufferedPaintDC(m_hPaintBuffer); |
| 893 } |
| 894 |
| 895 HRESULT GetBits(RGBQUAD** ppbBuffer, int* pcxRow) const |
| 896 { |
| 897 ATLASSERT(m_hPaintBuffer != NULL); |
| 898 return ::GetBufferedPaintBits(m_hPaintBuffer, ppbBuffer, pcxRow)
; |
| 899 } |
| 900 |
| 901 HRESULT Clear(const RECT* pRect = NULL) |
| 902 { |
| 903 ATLASSERT(m_hPaintBuffer != NULL); |
| 904 return ::BufferedPaintClear(m_hPaintBuffer, pRect); |
| 905 } |
| 906 |
| 907 HRESULT SetAlpha(BYTE alpha, const RECT* pRect = NULL) |
| 908 { |
| 909 ATLASSERT(m_hPaintBuffer != NULL); |
| 910 return ::BufferedPaintSetAlpha(m_hPaintBuffer, pRect, alpha); |
| 911 } |
| 912 |
| 913 HRESULT MakeOpaque(const RECT* pRect = NULL) |
| 914 { |
| 915 ATLASSERT(m_hPaintBuffer != NULL); |
| 916 return ::BufferedPaintSetAlpha(m_hPaintBuffer, pRect, 255); |
| 917 } |
| 918 }; |
| 919 |
| 920 |
| 921 /////////////////////////////////////////////////////////////////////////////// |
| 922 // CBufferedPaintImpl - provides buffered paint for any window |
| 923 |
| 924 template <class T> |
| 925 class ATL_NO_VTABLE CBufferedPaintImpl : public CBufferedPaintBase |
| 926 { |
| 927 public: |
| 928 CBufferedPaint m_BufferedPaint; |
| 929 BP_BUFFERFORMAT m_dwFormat; |
| 930 BP_PAINTPARAMS m_PaintParams; |
| 931 |
| 932 CBufferedPaintImpl() : m_dwFormat(BPBF_TOPDOWNDIB) |
| 933 { |
| 934 memset(&m_PaintParams, 0, sizeof(BP_PAINTPARAMS)); |
| 935 m_PaintParams.cbSize = sizeof(BP_PAINTPARAMS); |
| 936 } |
| 937 |
| 938 // Message map and handlers |
| 939 BEGIN_MSG_MAP(CBufferedPaintImpl) |
| 940 MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground) |
| 941 MESSAGE_HANDLER(WM_PAINT, OnPaint) |
| 942 MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint) |
| 943 END_MSG_MAP() |
| 944 |
| 945 LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lPa
ram*/, BOOL& /*bHandled*/) |
| 946 { |
| 947 return 1; // no background needed |
| 948 } |
| 949 |
| 950 LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /
*bHandled*/) |
| 951 { |
| 952 T* pT = static_cast<T*>(this); |
| 953 if(wParam != NULL) |
| 954 { |
| 955 RECT rect = { 0 }; |
| 956 pT->GetClientRect(&rect); |
| 957 pT->DoPaint((HDC)wParam, rect); |
| 958 } |
| 959 else |
| 960 { |
| 961 CPaintDC dc(pT->m_hWnd); |
| 962 pT->DoBufferedPaint(dc.m_hDC, dc.m_ps.rcPaint); |
| 963 } |
| 964 |
| 965 return 0; |
| 966 } |
| 967 |
| 968 // Overrideables |
| 969 void DoBufferedPaint(CDCHandle dc, RECT& rect) |
| 970 { |
| 971 HDC hDCPaint = NULL; |
| 972 if(IsBufferedPaintSupported()) |
| 973 m_BufferedPaint.Begin(dc, &rect, m_dwFormat, &m_PaintPar
ams, &hDCPaint); |
| 974 |
| 975 T* pT = static_cast<T*>(this); |
| 976 if(hDCPaint != NULL) |
| 977 pT->DoPaint(hDCPaint, rect); |
| 978 else |
| 979 pT->DoPaint(dc.m_hDC, rect); |
| 980 |
| 981 if(IsBufferedPaintSupported()) |
| 982 m_BufferedPaint.End(); |
| 983 } |
| 984 |
| 985 void DoPaint(CDCHandle /*dc*/, RECT& /*rect*/) |
| 986 { |
| 987 // must be implemented in a derived class |
| 988 ATLASSERT(FALSE); |
| 989 } |
| 990 }; |
| 991 |
| 992 |
| 993 /////////////////////////////////////////////////////////////////////////////// |
| 994 // CBufferedPaintWindowImpl - implements a window that uses buffered paint |
| 995 |
| 996 template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlW
inTraits> |
| 997 class ATL_NO_VTABLE CBufferedPaintWindowImpl : |
| 998 public ATL::CWindowImpl<T, TBase, TWinTraits>, |
| 999 public CBufferedPaintImpl< T > |
| 1000 { |
| 1001 public: |
| 1002 BEGIN_MSG_MAP(CBufferedPaintWindowImpl) |
| 1003 CHAIN_MSG_MAP(CBufferedPaintImpl< T >) |
| 1004 END_MSG_MAP() |
| 1005 }; |
| 1006 |
| 1007 |
| 1008 /////////////////////////////////////////////////////////////////////////////// |
| 1009 // CBufferedAnimation - support for buffered animation |
| 1010 |
| 1011 class CBufferedAnimation |
| 1012 { |
| 1013 public: |
| 1014 HANIMATIONBUFFER m_hAnimationBuffer; |
| 1015 |
| 1016 CBufferedAnimation() : m_hAnimationBuffer(NULL) |
| 1017 { } |
| 1018 |
| 1019 ~CBufferedAnimation() |
| 1020 { |
| 1021 ATLVERIFY(SUCCEEDED(End())); |
| 1022 } |
| 1023 |
| 1024 bool IsNull() const |
| 1025 { |
| 1026 return (m_hAnimationBuffer == NULL); |
| 1027 } |
| 1028 |
| 1029 HANIMATIONBUFFER Begin(HWND hWnd, HDC hDCTarget, const RECT* pRectTarget
, BP_BUFFERFORMAT dwFormat, BP_PAINTPARAMS* pPaintParams, BP_ANIMATIONPARAMS* pA
nimationParams, HDC* phdcFrom, HDC* phdcTo) |
| 1030 { |
| 1031 ATLASSERT(m_hAnimationBuffer == NULL); |
| 1032 m_hAnimationBuffer = ::BeginBufferedAnimation(hWnd, hDCTarget, p
RectTarget, dwFormat, pPaintParams, pAnimationParams, phdcFrom, phdcTo); |
| 1033 return m_hAnimationBuffer; |
| 1034 } |
| 1035 |
| 1036 HRESULT End(BOOL bUpdate = TRUE) |
| 1037 { |
| 1038 HRESULT hRet = S_FALSE; |
| 1039 if(m_hAnimationBuffer != NULL) |
| 1040 { |
| 1041 hRet = ::EndBufferedAnimation(m_hAnimationBuffer, bUpdat
e); |
| 1042 m_hAnimationBuffer = NULL; |
| 1043 } |
| 1044 return hRet; |
| 1045 } |
| 1046 |
| 1047 static bool IsRendering(HWND hWnd, HDC hDC) |
| 1048 { |
| 1049 return (::BufferedPaintRenderAnimation(hWnd, hDC) != FALSE); |
| 1050 } |
| 1051 }; |
| 1052 |
| 1053 |
| 1054 /////////////////////////////////////////////////////////////////////////////// |
| 1055 // CBufferedAnimationImpl - provides buffered animation support for any window |
| 1056 |
| 1057 // Note: You can either use m_State and m_NewState to store the state informatio
n |
| 1058 // for the animation change, or map your state to those data members. DoPaint() |
| 1059 // should only rely on the state information that is passed to it. |
| 1060 |
| 1061 template <class T, class TState = DWORD_PTR> |
| 1062 class ATL_NO_VTABLE CBufferedAnimationImpl : public CBufferedPaintBase |
| 1063 { |
| 1064 public: |
| 1065 BP_BUFFERFORMAT m_dwFormat; |
| 1066 BP_PAINTPARAMS m_PaintParams; |
| 1067 BP_ANIMATIONPARAMS m_AnimationParams; |
| 1068 |
| 1069 TState m_State; |
| 1070 TState m_NewState; |
| 1071 |
| 1072 CBufferedAnimationImpl(TState InitialState) : m_dwFormat(BPBF_TOPDOWNDIB
) |
| 1073 { |
| 1074 memset(&m_PaintParams, 0, sizeof(BP_PAINTPARAMS)); |
| 1075 m_PaintParams.cbSize = sizeof(BP_PAINTPARAMS); |
| 1076 |
| 1077 memset(&m_AnimationParams, 0, sizeof(BP_ANIMATIONPARAMS)); |
| 1078 m_AnimationParams.cbSize = sizeof(BP_ANIMATIONPARAMS); |
| 1079 m_AnimationParams.style = BPAS_LINEAR; |
| 1080 m_AnimationParams.dwDuration = 500; |
| 1081 |
| 1082 T* pT = static_cast<T*>(this); |
| 1083 pT->SetState(InitialState); |
| 1084 pT->SetNewState(InitialState); |
| 1085 } |
| 1086 |
| 1087 DWORD GetDuration() const |
| 1088 { |
| 1089 return m_AnimationParams.dwDuration; |
| 1090 } |
| 1091 |
| 1092 void SetDuration(DWORD dwDuration) |
| 1093 { |
| 1094 m_AnimationParams.dwDuration = dwDuration; |
| 1095 } |
| 1096 |
| 1097 void DoAnimation(TState NewState, const RECT* pRect = NULL) |
| 1098 { |
| 1099 T* pT = static_cast<T*>(this); |
| 1100 pT->SetNewState(NewState); |
| 1101 |
| 1102 pT->InvalidateRect(pRect, FALSE); |
| 1103 pT->UpdateWindow(); |
| 1104 |
| 1105 pT->SetState(NewState); |
| 1106 } |
| 1107 |
| 1108 // Message map and handlers |
| 1109 BEGIN_MSG_MAP(CBufferedAnimationImpl) |
| 1110 MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground) |
| 1111 MESSAGE_HANDLER(WM_PAINT, OnPaint) |
| 1112 MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint) |
| 1113 END_MSG_MAP() |
| 1114 |
| 1115 LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lPa
ram*/, BOOL& /*bHandled*/) |
| 1116 { |
| 1117 return 1; // no background needed |
| 1118 } |
| 1119 |
| 1120 LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /
*bHandled*/) |
| 1121 { |
| 1122 T* pT = static_cast<T*>(this); |
| 1123 if(wParam != NULL) |
| 1124 { |
| 1125 RECT rect = { 0 }; |
| 1126 pT->GetClientRect(&rect); |
| 1127 pT->DoPaint((HDC)wParam, rect, m_NewState); |
| 1128 } |
| 1129 else |
| 1130 { |
| 1131 CPaintDC dc(pT->m_hWnd); |
| 1132 pT->DoAnimationPaint(dc.m_hDC, dc.m_ps.rcPaint); |
| 1133 } |
| 1134 |
| 1135 return 0; |
| 1136 } |
| 1137 |
| 1138 // Overrideables |
| 1139 void SetState(TState State) |
| 1140 { |
| 1141 m_State = State; |
| 1142 } |
| 1143 |
| 1144 void SetNewState(TState State) |
| 1145 { |
| 1146 m_NewState = State; |
| 1147 } |
| 1148 |
| 1149 bool AreStatesEqual() const |
| 1150 { |
| 1151 return (m_State == m_NewState); |
| 1152 } |
| 1153 |
| 1154 void DoAnimationPaint(CDCHandle dc, RECT& rect) |
| 1155 { |
| 1156 T* pT = static_cast<T*>(this); |
| 1157 if(IsBufferedPaintSupported() && CBufferedAnimation::IsRendering
(pT->m_hWnd, dc)) |
| 1158 return; |
| 1159 |
| 1160 DWORD dwDurationSave = m_AnimationParams.dwDuration; |
| 1161 if(pT->AreStatesEqual()) |
| 1162 m_AnimationParams.dwDuration = 0; |
| 1163 |
| 1164 HDC hdcFrom = NULL, hdcTo = NULL; |
| 1165 CBufferedAnimation ba; |
| 1166 if(IsBufferedPaintSupported()) |
| 1167 ba.Begin(pT->m_hWnd, dc, &rect, m_dwFormat, &m_PaintPara
ms, &m_AnimationParams, &hdcFrom, &hdcTo); |
| 1168 |
| 1169 if(!ba.IsNull()) |
| 1170 { |
| 1171 if(hdcFrom != NULL) |
| 1172 pT->DoPaint(hdcFrom, rect, m_State); |
| 1173 |
| 1174 if (hdcTo != NULL) |
| 1175 pT->DoPaint(hdcTo, rect, m_NewState); |
| 1176 } |
| 1177 else |
| 1178 { |
| 1179 pT->DoPaint(dc.m_hDC, rect, m_NewState); |
| 1180 } |
| 1181 |
| 1182 m_AnimationParams.dwDuration = dwDurationSave; |
| 1183 } |
| 1184 |
| 1185 void DoPaint(CDCHandle /*dc*/, RECT& /*rect*/, TState /*State*/) |
| 1186 { |
| 1187 // must be implemented in a derived class |
| 1188 ATLASSERT(FALSE); |
| 1189 } |
| 1190 }; |
| 1191 |
| 1192 |
| 1193 /////////////////////////////////////////////////////////////////////////////// |
| 1194 // CBufferedAnimationWindowImpl - implements a window that uses buffered animati
on |
| 1195 |
| 1196 template <class T, class TState = DWORD_PTR, class TBase = ATL::CWindow, class T
WinTraits = ATL::CControlWinTraits> |
| 1197 class ATL_NO_VTABLE CBufferedAnimationWindowImpl : |
| 1198 public ATL::CWindowImpl<T, TBase, TWinTraits>, |
| 1199 public CBufferedAnimationImpl< T, TState > |
| 1200 { |
| 1201 public: |
| 1202 CBufferedAnimationWindowImpl(TState InitialState) : CBufferedAnimationIm
pl< T, TState >(InitialState) |
| 1203 { } |
| 1204 |
| 1205 typedef CBufferedAnimationImpl< T, TState > _baseBufferedAnimation; |
| 1206 BEGIN_MSG_MAP(CBufferedAnimationWindowImpl) |
| 1207 CHAIN_MSG_MAP(_baseBufferedAnimation) |
| 1208 END_MSG_MAP() |
| 1209 }; |
| 1210 |
| 1211 #endif // _WTL_NEW_UXTHEME |
| 1212 |
| 1213 }; // namespace WTL |
| 1214 |
| 1215 #endif // __ATLTHEME_H__ |
OLD | NEW |