www.pudn.com > ExpBar_src.zip > colheader.c
/*
* file : colheader.c
* language : ANSI/ISO C
* plattform : Win32 (Windows 98/Me/NT/2000/XP)
* description : implements collapsible header for the xp-style explorer bar
*
* revision history:
* =================
*
* date: author: description:
* --------------------------------------------------------------------------
* 02/17/2004 Ingo A. Kubbilun first published version 1.0
*/
#include
#include
#include
#define CHS_NOAUTOSIZE CHS_reserved
#define ISRECT(_r) ((((_r).right-(_r).left)>0) && (((_r).bottom-(_r).top)>0))
static void APIPRIVATE AlphaBlendHeaderBitmap ( HDC hDC, HDC hDCMem, HBITMAP hBitmap, LPRECT lpRC, int iBmpWidth, int iBmpHeight );
static void APIPRIVATE GetHitTestRect ( HWND hwnd, PCHSTRUCT pCHS, LPRECT lpRC )
{
if (GetWindowLong(hwnd,GWL_STYLE) & CHS_NOAUTOSIZE)
GetClientRect(hwnd,lpRC);
else
{
memcpy(lpRC,&pCHS->rcBackground,sizeof(RECT));
}
}
static BOOL APIPRIVATE HitTest ( HWND hwnd, PCHSTRUCT pCHS, POINT pt )
{
RECT rc;
if (GetWindowLong(hwnd,GWL_STYLE) & CHS_NOAUTOSIZE)
{
GetClientRect(hwnd,&rc);
return PtInRect(&rc,pt);
}
else
{
if (PtInRect(&pCHS->rcBackground,pt)) return TRUE;
return PtInRect(&pCHS->rcIcon,pt);
}
}
static void APIPRIVATE ResizeTTControl ( HWND hwnd, PCHSTRUCT pCHS )
{
TOOLINFO ti;
if ((pCHS) && (CH_HAVE_TOOLTIP_SAFE(pCHS)))
{
memset(&ti,0,sizeof(ti));
ti.cbSize = sizeof(TOOLINFO);
ti.uFlags = TTF_TRANSPARENT;
ti.hwnd = hwnd;
ti.lpszText = LPSTR_TEXTCALLBACK;
ti.uId = 1;
GetHitTestRect(hwnd,pCHS,&ti.rect);
SendMessage(pCHS->hwndToolTip,TTM_DELTOOL,0,(LPARAM)&ti);
SendMessage(pCHS->hwndToolTip,TTM_ADDTOOL,0,(LPARAM)&ti);
}
}
static void APIPRIVATE CheckNeedRepaint ( HWND hwnd, PCHSTRUCT pCHS )
{
int iState = ITEMSTATE_COLD;
POINT pt;
if (!pCHS->bEnabled)
iState = ITEMSTATE_DISABLED;
else
{
if (pCHS->bKeyDown)
iState = ITEMSTATE_PRESSED;
else
{
pt.x = pCHS->iMouseX;
pt.y = pCHS->iMouseY;
if (HitTest(hwnd,pCHS,pt))
{
if (pCHS->bLButtonDown)
iState = ITEMSTATE_PRESSED;
else
iState = ITEMSTATE_HOT;
}
else
if (GetCapture()==hwnd)
iState = ITEMSTATE_HOT;
}
}
if (pCHS->iState!=iState)
{
pCHS->iState = iState;
InvalidateRect(hwnd,NULL,TRUE);
}
}
// iRequiredWidth only used if !(lStyle & CHS_NOAUTOSIZE) !!!
static BOOL APIENTRY GetItemSize ( HWND hwnd, PCHSTRUCT pCHS, PSIZE pSI, int iRequiredWidth )
{
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
LONG lExStyle = GetWindowLong(hwnd,GWL_EXSTYLE);
UINT uAlign = pCHS->chf.uAlign;
RECT rcClient,rcText;
SIZE si;
int iDelta,iArrHeight,iTextHeight,iTextWidth,iSingleTextHeight;
HDC hDC;
HGDIOBJ hOldObj;
TCHAR szText[256];
SIZE siText,siSingleLine;
UINT uDTStyle;
si.cx = si.cy = 0;
if (lExStyle & WS_EX_RIGHT)
{
if (uAlign==CH_LEFT) uAlign=CH_RIGHT;
else
if (uAlign==CH_RIGHT) uAlign=CH_LEFT;
}
if (lStyle & CHS_NOAUTOSIZE)
{
GetClientRect(hwnd,&rcClient);
pSI->cx = rcClient.right-rcClient.left;
pSI->cy = rcClient.bottom-rcClient.top;
}
else
{
if (iRequiredWidth==-1)
GetClientRect(hwnd,&rcClient);
else
rcClient.right = iRequiredWidth;
rcClient.left = rcClient.top = 0;
rcClient.bottom = 32767;
}
memcpy(&pCHS->rcBackground,&rcClient,sizeof(RECT));
// Calculate icon rect (if any)
memset(&pCHS->rcIcon,0,sizeof(RECT));
if ((lStyle & CHS_PANEHEADER) && (pCHS->chf.hIList))
{
if (ImageList_GetIconSize(pCHS->chf.hIList,&si.cx,&si.cy))
{
pCHS->rcIcon.left = rcClient.left+2;
pCHS->rcIcon.top = rcClient.top;
pCHS->rcIcon.right = pCHS->rcIcon.left+si.cx;
pCHS->rcIcon.bottom = pCHS->rcIcon.top+si.cy;
}
}
if (si.cx)
rcClient.left = pCHS->rcIcon.right;
if ((!pCHS->chf.hIList) && (pCHS->iLeftMargin))
rcClient.left += pCHS->iLeftMargin;
else
rcClient.left += ((int)pCHS->chf.uBorderLeft);
rcClient.right -= ((int)pCHS->chf.uBorderRight);
memset(&pCHS->rcButton,0,sizeof(RECT));
memset(&pCHS->rcText,0,sizeof(RECT));
// Calculate button rect
if (lStyle & CHS_PANEHEADER)
{
if (lStyle & CHS_SPECIALGROUP) // special pane header
{
pCHS->rcButton.right = rcClient.right;
pCHS->rcButton.left = pCHS->rcButton.right-g_sEBI.headerspecial.iBmpArrowWidth;
iArrHeight = g_sEBI.headerspecial.iBmpArrowHeight;
}
else // normal pane header
{
pCHS->rcButton.right = rcClient.right;
pCHS->rcButton.left = pCHS->rcButton.right-g_sEBI.headernormal.iBmpArrowWidth;
iArrHeight = g_sEBI.headernormal.iBmpArrowHeight;
}
}
else // group header
{
if (g_sEBI.bPreXP)
{
pCHS->rcButton.right = rcClient.right;
pCHS->rcButton.left = pCHS->rcButton.right-g_sEBI.iBmpPreXPArrowWidth;
iArrHeight = g_sEBI.iBmpPreXPArrowHeight;
}
else
{
pCHS->rcButton.right = rcClient.right;
pCHS->rcButton.left = pCHS->rcButton.right-g_sEBI.headernormal.iBmpArrowWidth;
iArrHeight = g_sEBI.headernormal.iBmpArrowHeight;
}
}
rcClient.right = pCHS->rcButton.left-pCHS->chf.uGap;
hDC = GetDC(hwnd);
if (hDC)
{
memset(&rcText,0,sizeof(RECT));
hOldObj = SelectObject(hDC,pCHS->hFontHot);
szText[0]=0x00;
GetWindowText(hwnd,szText,256);
if (lStyle & CHS_WORDBREAK) // multiline, use current control width
{
rcText.left = 0;
rcText.right = rcClient.right-rcClient.left;
if (lStyle & CHS_FOCUSRECT)
rcText.right -= 2;
uDTStyle = DT_EXTERNALLEADING|DT_WORDBREAK;
}
else
{
if (lStyle & CHS_END_ELLIPSIS) // singleline, use current control width
{
rcText.left = 0;
rcText.right = rcClient.right-rcClient.left;
if (lStyle & CHS_FOCUSRECT)
rcText.right -= 2;
uDTStyle = DT_END_ELLIPSIS|DT_SINGLELINE;
}
else // singleline, ignore current control width
{
rcText.left = 0;
rcText.right = 0;
rcText.top = 0;
rcText.bottom = 0;
uDTStyle = DT_SINGLELINE|DT_NOCLIP;
}
}
uDTStyle |= DT_CALCRECT|DT_LEFT|DT_TOP;
if (lExStyle & WS_EX_RTLREADING) uDTStyle |= DT_RTLREADING;
siText.cy = DrawTextEx(hDC,szText,lstrlen(szText),&rcText,uDTStyle,NULL);
siText.cx = rcText.right;
rcText.left =
rcText.right =
rcText.top =
rcText.bottom = 0;
uDTStyle = DT_SINGLELINE|DT_NOCLIP|DT_CALCRECT|DT_LEFT|DT_TOP;
if (lExStyle & WS_EX_RTLREADING) uDTStyle |= DT_RTLREADING;
siSingleLine.cy = DrawTextEx(hDC,szText,lstrlen(szText),&rcText,uDTStyle,NULL);
siSingleLine.cx = rcText.right;
iTextHeight = siText.cy;
iSingleTextHeight = siSingleLine.cy;
if (lStyle & CHS_FOCUSRECT)
{
iTextHeight += 2;
iSingleTextHeight += 2;
}
pCHS->rcButton.top =
pCHS->rcText.top = (int)pCHS->chf.uBorderTop;
pCHS->rcText.bottom = pCHS->rcText.top+iTextHeight;
pCHS->rcButton.bottom = pCHS->rcButton.top+iArrHeight;
pCHS->bMultiLine = (siText.cy>=(siSingleLine.cy<<1)) ? TRUE : FALSE;
if (!pCHS->bMultiLine)
{
if (iArrHeight>iSingleTextHeight)
{
iDelta = (iArrHeight-iSingleTextHeight)>>1;
pCHS->rcText.top+=iDelta;
pCHS->rcText.bottom+=iDelta;
}
}
rcClient.bottom = pCHS->rcText.bottom>pCHS->rcButton.bottom ? pCHS->rcText.bottom : pCHS->rcButton.bottom;
rcClient.bottom += (int)pCHS->chf.uBorderBottom;
pCHS->rcBackground.bottom = rcClient.bottom;
// horizontal alignment
iTextWidth = siText.cx;
if (lStyle & CHS_FOCUSRECT)
iTextWidth += 2;
switch(uAlign)
{
case CH_CENTER:
iDelta = ((rcClient.right-rcClient.left)-iTextWidth)>>1;
if (iDelta<0) iDelta=0;
pCHS->rcText.left = rcClient.left+iDelta;
pCHS->rcText.right = pCHS->rcText.left+iTextWidth;
if (pCHS->rcText.right>rcClient.right)
pCHS->rcText.right = rcClient.right;
break;
case CH_RIGHT:
pCHS->rcText.right = rcClient.right;
pCHS->rcText.left = pCHS->rcText.right-iTextWidth;
if (pCHS->rcText.leftrcText.left = rcClient.left;
break;
default:
pCHS->rcText.left = rcClient.left;
pCHS->rcText.right = pCHS->rcText.left+iTextWidth;
if (pCHS->rcText.right>rcClient.right)
pCHS->rcText.right = rcClient.right;
break;
}
SelectObject(hDC,hOldObj);
ReleaseDC(hwnd,hDC);
}
if (si.cy)
{
iDelta = si.cy-(rcClient.bottom-rcClient.top);
if (iDelta>0)
{
rcClient.top += iDelta;
rcClient.bottom += iDelta;
pCHS->rcBackground.top += iDelta;
pCHS->rcBackground.bottom += iDelta;
pCHS->rcText.top += iDelta;
pCHS->rcText.bottom += iDelta;
pCHS->rcButton.top += iDelta;
pCHS->rcButton.bottom += iDelta;
}
}
ResizeTTControl(hwnd,pCHS);
if (lStyle & CHS_NOAUTOSIZE)
return TRUE;
pSI->cx = pCHS->rcBackground.right;
pSI->cy = pCHS->rcBackground.bottom;
return TRUE;
}
LRESULT CALLBACK CollapsibleHeaderWndProc ( HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam )
{
switch(uMsg)
{
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
if (CH_HAVE_DONTRELAYLBDNUP)
break;
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MOUSEMOVE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
MSG msg;
if (!pCHS) break;
if (CH_HAVE_TOOLTIP_SAFE(pCHS))
{
msg.hwnd = hwnd;
msg.message = uMsg;
msg.wParam = wParam;
msg.lParam = lParam;
msg.pt.x = ((int)(short)LOWORD(lParam));
msg.pt.y = ((int)(short)HIWORD(lParam));
ClientToScreen(hwnd,&msg.pt);
SendMessage(pCHS->hwndToolTip,TTM_RELAYEVENT,(WPARAM)0,(LPARAM)&msg);
}
break;
}
}
switch(uMsg)
{
case WM_GETORIGDIMENSIONS:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (pCHS)
{
*((int*)wParam) = pCHS->iOrigWidth;
*((int*)lParam) = pCHS->iOrigHeight;
}
else
{
*((int*)wParam) = 0;
*((int*)lParam) = 0;
}
return 0L;
}
case WM_CREATE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)malloc(sizeof(CHSTRUCT));
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
LOGFONT lf;
SIZE si;
if (!pCHS) return -1L;
memset(pCHS,0,sizeof(CHSTRUCT));
{
RECT rcClient;
GetClientRect(hwnd,&rcClient);
pCHS->iOrigWidth = rcClient.right;
pCHS->iOrigHeight = rcClient.bottom;
}
pCHS->cbSize = sizeof(CHSTRUCT);
pCHS->iMouseX = -1;
pCHS->iMouseY = -1;
pCHS->bActive = TRUE;
pCHS->bExpanded = lStyle & CHS_CREATEEXPANDED ? TRUE : FALSE;
pCHS->bEnabled = IsWindowEnabled(hwnd);
if (!pCHS->bEnabled)
pCHS->iState = ITEMSTATE_DISABLED;
else
pCHS->iState = ITEMSTATE_COLD;
if (CH_HAVE_TOOLTIP)
{
pCHS->hwndToolTip = CreateWindowEx(WS_EX_TOOLWINDOW|WS_EX_TOPMOST,
TOOLTIPS_CLASS,
NULL,
WS_POPUP|TTS_NOPREFIX,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
hwnd,
NULL,
NULL,
NULL);
if (!pCHS->hwndToolTip)
{
free(pCHS);
return -1L;
}
SetWindowPos(pCHS->hwndToolTip,HWND_TOPMOST,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
ResizeTTControl(hwnd,pCHS);
}
if (CH_HAVE_TOOLTIP_SAFE(pCHS))
SendMessage(pCHS->hwndToolTip,TTM_ACTIVATE,(WPARAM)((pCHS->bEnabled && pCHS->bActive) ? TRUE : FALSE),0L);
pCHS->hLightPen = CreatePen(PS_SOLID,0,GetSysColor(COLOR_3DHILIGHT));
pCHS->hShadowPen = CreatePen(PS_SOLID,0,GetSysColor(COLOR_3DSHADOW));
memset(&lf,0,sizeof(LOGFONT));
if (lStyle & CHS_PANEHEADER)
{
if (lStyle & CHS_SPECIALGROUP)
{
pCHS->chf.cbSize = sizeof(CHFORMAT);
pCHS->chf.iFontSize = g_sEBI.headerspecial.iFontSize;
#ifdef UNICODE
MultiByteToWideChar(CP_ACP,0,g_sEBI.headerspecial.szFontFace,-1,pCHS->chf.szFontFace,MAX_PATH);
#else
strcpy(pCHS->chf.szFontFace,g_sEBI.headerspecial.szFontFace);
#endif
pCHS->chf.iFWNormal = g_sEBI.headerspecial.iFontWeightHeader;
pCHS->chf.iFWHot = g_sEBI.headerspecial.iFontWeightHeader;
pCHS->chf.crNormal = g_sEBI.headerspecial.crHeaderNormal;
pCHS->chf.crHot = g_sEBI.headerspecial.crHeaderHot;
if (g_sEBI.headerspecial.uAlignment & TDA_CENTER)
pCHS->chf.uAlign = CH_CENTER;
else
if (g_sEBI.headerspecial.uAlignment & TDA_RIGHT)
pCHS->chf.uAlign = CH_RIGHT;
else
pCHS->chf.uAlign = CH_LEFT;
pCHS->chf.uBorderTop = 1;
pCHS->chf.uBorderBottom = 1;
pCHS->chf.uBorderLeft = 4;
pCHS->chf.uGap = 4;
pCHS->chf.uBorderRight = 4;
pCHS->chf.hCursor = LoadCursor(NULL,IDC_HAND);
}
else
{
pCHS->chf.cbSize = sizeof(CHFORMAT);
pCHS->chf.iFontSize = g_sEBI.headernormal.iFontSize;
#ifdef UNICODE
MultiByteToWideChar(CP_ACP,0,g_sEBI.headernormal.szFontFace,-1,pCHS->chf.szFontFace,MAX_PATH);
#else
strcpy(pCHS->chf.szFontFace,g_sEBI.headernormal.szFontFace);
#endif
pCHS->chf.iFWNormal = g_sEBI.headernormal.iFontWeightHeader;
pCHS->chf.iFWHot = g_sEBI.headernormal.iFontWeightHeader;
pCHS->chf.crNormal = g_sEBI.headernormal.crHeaderNormal;
pCHS->chf.crHot = g_sEBI.headernormal.crHeaderHot;
if (g_sEBI.headernormal.uAlignment & TDA_CENTER)
pCHS->chf.uAlign = CH_CENTER;
else
if (g_sEBI.headernormal.uAlignment & TDA_RIGHT)
pCHS->chf.uAlign = CH_RIGHT;
else
pCHS->chf.uAlign = CH_LEFT;
pCHS->chf.uBorderTop = 1;
pCHS->chf.uBorderBottom = 1;
pCHS->chf.uBorderLeft = 4;
pCHS->chf.uGap = 4;
pCHS->chf.uBorderRight = 4;
pCHS->chf.hCursor = LoadCursor(NULL,IDC_HAND);
}
}
else // group header
{
pCHS->chf.cbSize = sizeof(CHFORMAT);
pCHS->chf.iFWNormal = FW_BOLD;
pCHS->chf.iFWHot = FW_BOLD;
pCHS->chf.crNormal = GetSysColor(COLOR_BTNTEXT);
pCHS->chf.crHot = GetSysColor(COLOR_HOTLIGHT);
pCHS->chf.uAlign = CH_LEFT;
pCHS->chf.uGap = 4;
pCHS->chf.hCursor = LoadCursor(NULL,IDC_HAND);
GetLogFont(GetStockObject(DEFAULT_GUI_FONT),&lf);
goto CreateFonts;
}
lf.lfHeight = pCHS->chf.iFontSize;
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = DEFAULT_PITCH;
__strcpy(lf.lfFaceName,pCHS->chf.szFontFace);
CreateFonts:
lf.lfWeight = pCHS->chf.iFWNormal;
lf.lfItalic = pCHS->chf.bItalicNormal;
lf.lfUnderline = pCHS->chf.bULNormal;
pCHS->hFontNormal = CreateFontIndirect(&lf);
lf.lfWeight = pCHS->chf.iFWHot;
lf.lfItalic = pCHS->chf.bItalicHot;
lf.lfUnderline = pCHS->chf.bULHot;
pCHS->hFontHot = CreateFontIndirect(&lf);
SetWindowLong(hwnd,GWL_USERDATA,(LONG)pCHS);
if (GetItemSize(hwnd,pCHS,&si,-1))
{
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
ResizeTTControl(hwnd,pCHS);
}
return 0L;
}
case WM_DESTROY:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if ((pCHS) && (pCHS->cbSize==sizeof(CHSTRUCT)))
{
if (pCHS->hwndToolTip)
DestroyWindow(pCHS->hwndToolTip);
if (pCHS->hFontHot)
DeleteObject(pCHS->hFontHot);
if (pCHS->hFontNormal)
DeleteObject(pCHS->hFontNormal);
if (pCHS->hLightPen)
DeleteObject(pCHS->hLightPen);
if (pCHS->hShadowPen)
DeleteObject(pCHS->hShadowPen);
free(pCHS);
SetWindowLong(hwnd,GWL_USERDATA,(LONG)0L);
}
break;
}
case WM_SETFONT:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
LOGFONT lf;
SIZE si;
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
if ((!pCHS) || (lStyle & CHS_PANEHEADER)) return 0L;
if (pCHS->hFontNormal)
{
DeleteObject(pCHS->hFontNormal);
pCHS->hFontNormal = NULL;
}
if (pCHS->hFontHot)
{
DeleteObject(pCHS->hFontHot);
pCHS->hFontHot = NULL;
}
if (GetLogFont( wParam ? ((HFONT)wParam) : ((HFONT)GetStockObject(DEFAULT_GUI_FONT)),&lf) )
{
lf.lfWeight = pCHS->chf.iFWNormal;
lf.lfItalic = pCHS->chf.bItalicNormal;
lf.lfUnderline = pCHS->chf.bULNormal;
pCHS->hFontNormal = CreateFontIndirect(&lf);
lf.lfWeight = pCHS->chf.iFWHot;
lf.lfItalic = pCHS->chf.bItalicHot;
lf.lfUnderline = pCHS->chf.bULHot;
pCHS->hFontHot = CreateFontIndirect(&lf);
if (GetItemSize(hwnd,pCHS,&si,-1))
{
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER|SWP_NOREDRAW);
ResizeTTControl(hwnd,pCHS);
}
if (LOWORD(lParam))
InvalidateRect(hwnd,NULL,TRUE);
}
return 0L;
}
case CHM_GETTTCTRL:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return (LPARAM)NULL;
return (LPARAM)pCHS->hwndToolTip;
}
case CHM_SETSTATE: // wParam = (BOOL)bExpand, lParam = (BOOL)bRepaint
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
pCHS->bExpanded = (BOOL)wParam;
if (CH_HAVE_PLAYSOUND)
PlaySoundThemeSound( pCHS->bExpanded ? TEXT(".Default\\Maximize") : TEXT(".Default\\Minimize") );
if (lParam)
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case CHM_GETSTATE: // returns: (BOOL)bExpanded
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return FALSE;
return pCHS->bExpanded;
}
case WM_NCHITTEST:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
POINT pt;
if (!pCHS) break;
pt.x = (int)((short)LOWORD(lParam));
pt.y = (int)((short)HIWORD(lParam));
ScreenToClient(hwnd,&pt);
if (HitTest(hwnd,pCHS,pt))
return HTCLIENT;
else
return HTNOWHERE;
}
case WM_SETCURSOR:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return FALSE;
if (!pCHS->bActive) break;
if (LOWORD(lParam)==HTCLIENT)
SetCursor(pCHS->chf.hCursor ? pCHS->chf.hCursor : LoadCursor(NULL,IDC_HAND));
else
SetCursor(LoadCursor(NULL,IDC_ARROW));
return TRUE;
}
case WM_ERASEBKGND:
return TRUE;
case CHM_SETICON: // wParam = HIMAGELIST, lParam = idx
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
SIZE si;
if (!pCHS) return FALSE;
pCHS->chf.hIList = (HIMAGELIST)wParam;
pCHS->chf.iIIdx = (int)lParam;
if (GetItemSize(hwnd,pCHS,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
InvalidateRect(hwnd,NULL,TRUE);
return TRUE;
}
case CHM_SETFORMAT: // lParam = pointer to memory with CHFORMAT structure
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
PCHFORMAT pCHF = (PCHFORMAT)lParam;
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
SIZE si;
LOGFONT lf;
if (!pCHS) return FALSE;
if (IsBadReadPtr((LPCVOID)lParam,sizeof(CHFORMAT))) // return to original
{
if (lStyle & CHS_PANEHEADER)
{
pCHS->chf.uBorderTop = 1;
pCHS->chf.uBorderBottom = 1;
pCHS->chf.uBorderLeft = 4;
pCHS->chf.uGap = 4;
pCHS->chf.uBorderRight = 4;
pCHS->chf.hCursor = LoadCursor(NULL,IDC_HAND);
pCHS->chf.hIList = NULL;
pCHS->chf.iIIdx = 0;
}
else
{
pCHS->chf.cbSize = sizeof(CHFORMAT);
pCHS->chf.iFWNormal = FW_BOLD;
pCHS->chf.iFWHot = FW_BOLD;
pCHS->chf.crNormal = GetSysColor(COLOR_BTNTEXT);
pCHS->chf.crHot = GetSysColor(COLOR_HOTLIGHT);
pCHS->chf.uAlign = CH_LEFT;
pCHS->chf.uBorderTop = 0;
pCHS->chf.uBorderBottom = 0;
pCHS->chf.uBorderLeft = 0;
pCHS->chf.uGap = 4;
pCHS->chf.uBorderRight = 0;
pCHS->chf.hCursor = LoadCursor(NULL,IDC_HAND);
GetLogFont(GetStockObject(DEFAULT_GUI_FONT),&lf);
goto CreateFonts2;
}
goto DoUpdate;
}
if (pCHF->cbSize!=sizeof(CHFORMAT))
return FALSE;
if (lStyle & CHS_PANEHEADER)
{
pCHS->chf.uBorderTop = pCHF->uBorderTop;
pCHS->chf.uBorderBottom = pCHF->uBorderBottom;
pCHS->chf.uBorderLeft = pCHF->uBorderLeft;
pCHS->chf.uGap = pCHF->uGap;
pCHS->chf.uBorderRight = pCHF->uBorderRight;
pCHS->chf.hCursor = pCHF->hCursor;
pCHS->chf.hIList = pCHF->hIList;
pCHS->chf.iIIdx = pCHF->iIIdx;
}
else
{
memcpy(&pCHS->chf,pCHF,sizeof(CHFORMAT));
if (pCHS->hFontHot) DeleteObject(pCHS->hFontHot);
if (pCHS->hFontNormal) DeleteObject(pCHS->hFontNormal);
if (!pCHS->chf.iFontSize)
{
GetLogFont(GetStockObject(DEFAULT_GUI_FONT),&lf);
goto CreateFonts2;
}
else
{
lf.lfHeight = pCHS->chf.iFontSize;
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = DEFAULT_PITCH;
__strcpy(lf.lfFaceName,pCHS->chf.szFontFace);
CreateFonts2:
lf.lfWeight = pCHS->chf.iFWNormal;
lf.lfItalic = pCHS->chf.bItalicNormal;
lf.lfUnderline = pCHS->chf.bULNormal;
pCHS->hFontNormal = CreateFontIndirect(&lf);
lf.lfWeight = pCHS->chf.iFWHot;
lf.lfItalic = pCHS->chf.bItalicHot;
lf.lfUnderline = pCHS->chf.bULHot;
pCHS->hFontHot = CreateFontIndirect(&lf);
}
}
DoUpdate:
if (GetItemSize(hwnd,pCHS,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
InvalidateRect(hwnd,NULL,TRUE);
return TRUE;
}
case CHM_GETFORMAT: // wParam = sizeof(CHFORMAT), lParam = pointer to memory to store CHFORMAT struct.
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return FALSE;
if (wParam!=sizeof(CHFORMAT)) return FALSE;
if (IsBadWritePtr((LPVOID)lParam,sizeof(CHFORMAT))) return FALSE;
memcpy((LPVOID)lParam,&pCHS->chf,sizeof(CHFORMAT));
return TRUE;
}
case WM_THEMECHANGED:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
LOGFONT lf;
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
SIZE si;
if (!pCHS) return 0L;
memset(&lf,0,sizeof(LOGFONT));
if (lStyle & CHS_PANEHEADER)
{
if (lStyle & CHS_SPECIALGROUP)
{
pCHS->chf.iFontSize = g_sEBI.headerspecial.iFontSize;
#ifdef UNICODE
MultiByteToWideChar(CP_ACP,0,g_sEBI.headerspecial.szFontFace,-1,pCHS->chf.szFontFace,MAX_PATH);
#else
strcpy(pCHS->chf.szFontFace,g_sEBI.headerspecial.szFontFace);
#endif
pCHS->chf.iFWNormal = g_sEBI.headerspecial.iFontWeightHeader;
pCHS->chf.iFWHot = g_sEBI.headerspecial.iFontWeightHeader;
pCHS->chf.crNormal = g_sEBI.headerspecial.crHeaderNormal;
pCHS->chf.crHot = g_sEBI.headerspecial.crHeaderHot;
if (g_sEBI.headerspecial.uAlignment & TDA_CENTER)
pCHS->chf.uAlign = CH_CENTER;
else
if (g_sEBI.headerspecial.uAlignment & TDA_RIGHT)
pCHS->chf.uAlign = CH_RIGHT;
else
pCHS->chf.uAlign = CH_LEFT;
}
else
{
pCHS->chf.iFontSize = g_sEBI.headernormal.iFontSize;
#ifdef UNICODE
MultiByteToWideChar(CP_ACP,0,g_sEBI.headernormal.szFontFace,-1,pCHS->chf.szFontFace,MAX_PATH);
#else
strcpy(pCHS->chf.szFontFace,g_sEBI.headernormal.szFontFace);
#endif
pCHS->chf.iFWNormal = g_sEBI.headernormal.iFontWeightHeader;
pCHS->chf.iFWHot = g_sEBI.headernormal.iFontWeightHeader;
pCHS->chf.crNormal = g_sEBI.headernormal.crHeaderNormal;
pCHS->chf.crHot = g_sEBI.headernormal.crHeaderHot;
if (g_sEBI.headernormal.uAlignment & TDA_CENTER)
pCHS->chf.uAlign = CH_CENTER;
else
if (g_sEBI.headernormal.uAlignment & TDA_RIGHT)
pCHS->chf.uAlign = CH_RIGHT;
else
pCHS->chf.uAlign = CH_LEFT;
}
}
else // group header
{
return 0L;
}
if (pCHS->hFontNormal) DeleteObject(pCHS->hFontNormal);
if (pCHS->hFontHot) DeleteObject(pCHS->hFontHot);
lf.lfHeight = pCHS->chf.iFontSize;
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = DEFAULT_PITCH;
__strcpy(lf.lfFaceName,pCHS->chf.szFontFace);
lf.lfWeight = pCHS->chf.iFWNormal;
lf.lfItalic = pCHS->chf.bItalicNormal;
lf.lfUnderline = pCHS->chf.bULNormal;
pCHS->hFontNormal = CreateFontIndirect(&lf);
lf.lfWeight = pCHS->chf.iFWHot;
lf.lfItalic = pCHS->chf.bItalicHot;
lf.lfUnderline = pCHS->chf.bULHot;
pCHS->hFontHot = CreateFontIndirect(&lf);
if (GetItemSize(hwnd,pCHS,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case WM_SYSCOLORCHANGE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
if (!pCHS) return 0L;
if (pCHS->hLightPen) DeleteObject(pCHS->hLightPen);
if (pCHS->hShadowPen) DeleteObject(pCHS->hShadowPen);
pCHS->hLightPen = CreatePen(PS_SOLID,0,GetSysColor(COLOR_3DHILIGHT));
pCHS->hShadowPen = CreatePen(PS_SOLID,0,GetSysColor(COLOR_3DSHADOW));
if ((!(lStyle & CHS_PANEHEADER)) && (!pCHS->bColorSet))
{
pCHS->chf.crNormal = GetSysColor(COLOR_BTNTEXT);
pCHS->chf.crHot = GetSysColor(COLOR_HOTLIGHT);
}
return 0L;
}
case WM_SIZE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
SIZE si;
if (!pCHS) return FALSE;
GetItemSize(hwnd,pCHS,&si,-1);
break;
}
case WM_CALCDIMENSIONS: // wParam = LPSIZE, lParam = width of control in px (-1 = get current width)
{
PCHSTRUCT pCHSSave,pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
BOOL bReturn;
if (!pCHS) return FALSE;
if (IsBadWritePtr((VOID *)wParam,sizeof(SIZE)))
return FALSE;
pCHSSave = (PCHSTRUCT)malloc(sizeof(CHSTRUCT));
if (!pCHSSave) return FALSE;
memcpy(pCHSSave,pCHS,sizeof(CHSTRUCT));
bReturn = GetItemSize(hwnd,pCHS,(PSIZE)wParam,(int)lParam);
memcpy(pCHS,pCHSSave,sizeof(CHSTRUCT));
return bReturn;
}
case WM_ENABLE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
pCHS->bEnabled = (wParam ? TRUE : FALSE);
CheckNeedRepaint(hwnd,pCHS);
if (CH_HAVE_TOOLTIP_SAFE(pCHS))
SendMessage(pCHS->hwndToolTip,TTM_ACTIVATE,(WPARAM)((pCHS->bEnabled && pCHS->bActive) ? TRUE : FALSE),0L);
return 0L;
}
case CHM_ACTIVATE: // wParam = BOOL
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
pCHS->bActive = (BOOL)wParam;
if (!pCHS->bActive)
{
if (pCHS->bEnabled)
{
pCHS->iState = ITEMSTATE_COLD;
pCHS->bLButtonDown = FALSE;
pCHS->iMouseX = -1;
pCHS->iMouseY = -1;
InvalidateRect(hwnd,NULL,TRUE);
}
}
if (CH_HAVE_TOOLTIP_SAFE(pCHS))
SendMessage(pCHS->hwndToolTip,TTM_ACTIVATE,(WPARAM)((pCHS->bEnabled && pCHS->bActive) ? TRUE : FALSE),0L);
return 0L;
}
case WM_KEYDOWN:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
if ((wParam==VK_SPACE) && (pCHS->bFocus) && (pCHS->bEnabled) && (pCHS->bActive) && (GetCapture()!=hwnd))
{
pCHS->bKeyDown = TRUE;
CheckNeedRepaint(hwnd,pCHS);
}
return 0L;
}
case WM_KEYUP:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
if ((wParam==VK_SPACE) && (pCHS->bFocus) && (pCHS->bEnabled) && (pCHS->bActive) && (pCHS->bKeyDown))
{
pCHS->bKeyDown = FALSE;
CheckNeedRepaint(hwnd,pCHS);
if (pCHS->bEnabled)
{
//NMHDR nmh;
pCHS->bExpanded ^= TRUE;
if (CH_HAVE_PLAYSOUND)
PlaySoundThemeSound( pCHS->bExpanded ? TEXT(".Default\\Maximize") : TEXT(".Default\\Minimize") );
/*
nmh.code = pCHS->bExpanded ? CHN_EXPANDED : CHN_COLLAPSED;
nmh.hwndFrom = hwnd;
nmh.idFrom = GetWindowLong(hwnd,GWL_ID);
SendMessage(GetParent(hwnd),WM_NOTIFY,(WPARAM)hwnd,(LPARAM)&nmh);
*/
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), (WORD)(pCHS->bExpanded ? CHN_EXPANDED : CHN_COLLAPSED) ),
(LPARAM)hwnd);
}
}
return 0L;
}
case WM_LBUTTONDOWN:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
if ((!pCHS->bActive) || (!pCHS->bEnabled)) return 0L;
pCHS->iMouseX = (int)((short)LOWORD(lParam));
pCHS->iMouseY = (int)((short)HIWORD(lParam));
pCHS->bLButtonDown = TRUE;
if ((!CH_HAVE_NSFOC) && (pCHS->bEnabled)) SetFocus(hwnd);
SetCapture(hwnd);
CheckNeedRepaint(hwnd,pCHS);
return 0L;
}
case WM_LBUTTONUP:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
RECT rcClient;
POINT pt;
if (!pCHS) return 0L;
if ((!pCHS->bActive) || (!pCHS->bEnabled)) return 0L;
pCHS->iMouseX = (int)((short)LOWORD(lParam));
pCHS->iMouseY = (int)((short)HIWORD(lParam));
if (pCHS->bLButtonDown)
{
pCHS->bLButtonDown = FALSE;
CheckNeedRepaint(hwnd,pCHS);
pt.x = pCHS->iMouseX;
pt.y = pCHS->iMouseY;
GetClientRect(hwnd,&rcClient);
if (PtInRect(&rcClient,pt))
{
ReleaseCapture();
if ((pCHS->bEnabled) /*&& (pCHS->iState==ITEMSTATE_HOT)*/)
{
// NMHDR nmh;
pCHS->bExpanded ^= TRUE;
if (CH_HAVE_PLAYSOUND)
PlaySoundThemeSound( pCHS->bExpanded ? TEXT(".Default\\Maximize") : TEXT(".Default\\Minimize") );
/*
nmh.code = pCHS->bExpanded ? CHN_EXPANDED : CHN_COLLAPSED;
nmh.hwndFrom = hwnd;
nmh.idFrom = GetWindowLong(hwnd,GWL_ID);
SendMessage(GetParent(hwnd),WM_NOTIFY,(WPARAM)hwnd,(LPARAM)&nmh);
*/
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), (WORD)(pCHS->bExpanded ? CHN_EXPANDED : CHN_COLLAPSED) ),
(LPARAM)hwnd);
}
}
else
ReleaseCapture();
}
return 0L;
}
case WM_MOUSELEAVE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
pCHS->iMouseX = -1;
pCHS->iMouseY = -1;
pCHS->bTrackMouse = FALSE;
CheckNeedRepaint(hwnd,pCHS);
return 0L;
}
case WM_MOUSEMOVE:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
TRACKMOUSEEVENT tme;
if (!pCHS) return 0L;
if ((!pCHS->bActive) || (!pCHS->bEnabled)) return 0L;
if (!pCHS->bTrackMouse)
{
pCHS->bTrackMouse = TRUE;
tme.cbSize = sizeof(TRACKMOUSEEVENT);
tme.dwFlags = TME_LEAVE;
tme.dwHoverTime = 0;
tme.hwndTrack = hwnd;
TrackMouseEvent(&tme);
}
pCHS->iMouseX = (int)((short)LOWORD(lParam));
pCHS->iMouseY = (int)((short)HIWORD(lParam));
CheckNeedRepaint(hwnd,pCHS);
return 0L;
}
case WM_SETFOCUS:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) break;
pCHS->bFocus = TRUE;
if (CH_HAVE_FOCUSRECT)
{
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
else
break;
}
case WM_KILLFOCUS:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) break;
pCHS->bFocus = FALSE;
pCHS->bKeyDown = FALSE;
if (CH_HAVE_FOCUSRECT)
{
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
else
break;
}
case WM_CAPTURECHANGED:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCHS) return 0L;
pCHS->bLButtonDown = FALSE;
pCHS->bTrackMouse = FALSE;
pCHS->iMouseX = -1;
pCHS->iMouseY = -1;
CheckNeedRepaint(hwnd,pCHS);
return 0L;
}
case WM_NOTIFY:
{
int idCtrl = (int)wParam;
LPNMHDR lpnmh = (LPNMHDR)lParam;
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
HWND hwndOrig;
UINT idOrig;
if (!pCHS) break;
if ((lpnmh->hwndFrom==pCHS->hwndToolTip) && (lpnmh->code==TTN_GETDISPINFO))
{
LPNMTTDISPINFO lpnmttdi = (LPNMTTDISPINFO)lParam;
hwndOrig = lpnmh->hwndFrom;
idOrig = lpnmh->idFrom;
lpnmh->hwndFrom = hwnd;
lpnmh->idFrom = GetWindowLong(hwnd,GWL_ID);
lpnmh->code = CHN_GETDISPINFO;
SendMessage(GetParent(hwnd),WM_NOTIFY,(WPARAM)hwnd,(LPARAM)lpnmh);
lpnmh->hwndFrom = hwndOrig;
lpnmh->idFrom = idOrig;
lpnmh->code = TTN_GETDISPINFO;
return 0L;
}
break;
}
case WM_PAINT:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
PAINTSTRUCT ps;
HDC hDC;
POINT pt = {0,0};
if (!pCHS) return 0L;
hDC = BeginPaint(hwnd,&ps);
if (hDC)
ColHeaderPaintDC(hwnd,hDC,pt,TRUE,-1);
EndPaint(hwnd,&ps);
return 0L;
}
case WM_PRINTCLIENT:
{
HDC hDC = (HDC)wParam;
UINT uFlags = (UINT)lParam;
POINT pt = {0,0};
if (hDC)
{
if (!((!IsWindowVisible(hwnd)) && (uFlags & PRF_CHECKVISIBLE)))
ColHeaderPaintDC(hwnd,hDC,pt,uFlags & PRF_ERASEBKGND ? TRUE : FALSE,-1);
return TRUE;
}
return FALSE;
}
case CHM_SETLEFTMARGIN:
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
SIZE si;
if (pCHS)
{
pCHS->iLeftMargin = (int)wParam;
if (GetItemSize(hwnd,pCHS,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
return TRUE;
}
return FALSE;
}
default:
break;
}
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
static void APIPRIVATE AlphaBlendHeaderBitmap ( HDC hDC, HDC hDCMem, HBITMAP hBitmap, LPRECT lpRC, int iBmpWidth, int iBmpHeight )
{
BLENDFUNCTION bf;
HBITMAP hOldBitmap;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = AC_SRC_ALPHA;
hOldBitmap = SelectObject(hDCMem,hBitmap);
AlphaBlend(hDC,lpRC->left,lpRC->top,
2,
lpRC->bottom-lpRC->top,
hDCMem,
0,
0,
2,
iBmpHeight,bf);
AlphaBlend(hDC,lpRC->right-2,lpRC->top,
2,
lpRC->bottom-lpRC->top,
hDCMem,
iBmpWidth-2,
0,
2,
iBmpHeight,bf);
AlphaBlend(hDC,lpRC->left+2,lpRC->top,
lpRC->right-lpRC->left-4,
lpRC->bottom-lpRC->top,
hDCMem,
2,
0,
iBmpWidth-4,
iBmpHeight,bf);
SelectObject(hDCMem,hOldBitmap);
}
void APIENTRY ColHeaderPaintDC ( HWND hwnd, HDC hDC, POINT ptOffset, BOOL bPaintBackground, int iCtrlWidth )
{
PCHSTRUCT pCHS = (PCHSTRUCT)GetWindowLong(hwnd,GWL_USERDATA);
CHSTRUCT CHSSave;
HDC hDCMem;
TCHAR szText[256];
HGDIOBJ hOldFont,hOldBitmap;
int iOldColor,iOldBkMode,dy,idx,iArrWidth,iArrHeight;
RECT rcText,rcClient;
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
LONG lExStyle = GetWindowLong(hwnd,GWL_EXSTYLE);
UINT uDTStyle = 0;
UINT uAlign;
BLENDFUNCTION bf;
HBITMAP *phBitmap;
HBRUSH hBrush;
HBITMAP hBufferBitmap,hOldBufferBitmap;
HDC hBufferDC;
HPEN hOldPen;
if (!pCHS) return;
if (iCtrlWidth!=-1)
{
SIZE si;
memcpy(&CHSSave,pCHS,sizeof(CHSTRUCT));
GetItemSize(hwnd,pCHS,&si,iCtrlWidth);
rcClient.left = rcClient.top = 0;
rcClient.right = si.cx;
rcClient.bottom = si.cy;
}
else
GetClientRect(hwnd,&rcClient);
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = AC_SRC_ALPHA;
uAlign = pCHS->chf.uAlign;
if (lExStyle & WS_EX_RIGHT)
{
if (uAlign==CH_LEFT) uAlign=CH_RIGHT;
else
if (uAlign==CH_RIGHT) uAlign=CH_LEFT;
}
hBufferBitmap = CreateCompatibleBitmap(hDC,rcClient.right,rcClient.bottom);
if (!hBufferBitmap) return;
hBufferDC = CreateCompatibleDC(hDC);
if (!hBufferDC)
{
DeleteObject(hBufferBitmap);
return;
}
hOldBufferBitmap = SelectObject(hBufferDC,hBufferBitmap);
if (bPaintBackground)
{
hBrush = (HBRUSH)SendMessage(GetParent(hwnd),WM_CTLCOLORSTATIC,(WPARAM)hBufferDC,(LPARAM)hwnd);
if (((ULONG)(hBrush))>1)
FillRect(hBufferDC,&rcClient,hBrush);
}
else
BitBlt(hBufferDC,0,0,rcClient.right,rcClient.bottom,hDC,ptOffset.x,ptOffset.y,SRCCOPY);
hDCMem = CreateCompatibleDC(hDC);
switch(pCHS->iState)
{
case ITEMSTATE_COLD:
hOldFont = SelectObject(hBufferDC,pCHS->hFontNormal);
iOldColor = SetTextColor(hBufferDC,pCHS->chf.crNormal);
break;
case ITEMSTATE_PRESSED:
hOldFont = SelectObject(hBufferDC,pCHS->hFontHot);
iOldColor = SetTextColor(hBufferDC,pCHS->chf.crHot);
break;
case ITEMSTATE_HOT:
hOldFont = SelectObject(hBufferDC,pCHS->hFontHot);
iOldColor = SetTextColor(hBufferDC,pCHS->chf.crHot);
break;
default:
hOldFont = SelectObject(hBufferDC,pCHS->hFontNormal);
iOldColor = SetTextColor(hBufferDC,GetSysColor(COLOR_GRAYTEXT));
break;
}
iOldBkMode = SetBkMode(hBufferDC,TRANSPARENT);
if (lStyle & CHS_PANEHEADER)
{
if (lStyle & CHS_SPECIALGROUP)
{
if (g_sEBI.bPreXP)
{
FillRect(hBufferDC,&pCHS->rcBackground,GetSysColorBrush(COLOR_HIGHLIGHT));
}
else
{
AlphaBlendHeaderBitmap(hBufferDC,hDCMem,g_sEBI.headerspecial.hAlphaBmpListHeader,
&pCHS->rcBackground,
g_sEBI.headerspecial.iHeaderBmpWidth,
g_sEBI.headerspecial.iHeaderBmpHeight);
}
}
else
{
if (g_sEBI.bPreXP)
{
FillRect(hBufferDC,&pCHS->rcBackground,GetSysColorBrush(COLOR_3DFACE));
}
else
{
AlphaBlendHeaderBitmap(hBufferDC,hDCMem,g_sEBI.headernormal.hAlphaBmpListHeader,
&pCHS->rcBackground,
g_sEBI.headernormal.iHeaderBmpWidth,
g_sEBI.headernormal.iHeaderBmpHeight);
}
}
}
if (lStyle & CHS_PANEHEADER)
{
if (lStyle & CHS_SPECIALGROUP) // special pane header
{
iArrWidth = g_sEBI.headerspecial.iBmpArrowWidth;
iArrHeight = g_sEBI.headerspecial.iBmpArrowHeight;
phBitmap = pCHS->bExpanded ? g_sEBI.headerspecial.hAlphaBmpArrowUp : g_sEBI.headerspecial.hAlphaBmpArrowDn;
}
else // normal pane header
{
iArrWidth = g_sEBI.headernormal.iBmpArrowWidth;
iArrHeight = g_sEBI.headernormal.iBmpArrowHeight;
phBitmap = pCHS->bExpanded ? g_sEBI.headernormal.hAlphaBmpArrowUp : g_sEBI.headernormal.hAlphaBmpArrowDn;
}
}
else // group header
{
if (g_sEBI.bPreXP)
{
iArrWidth = g_sEBI.iBmpPreXPArrowWidth;
iArrHeight = g_sEBI.iBmpPreXPArrowHeight;
phBitmap = pCHS->bExpanded ? g_sEBI.hAlphaPreXPBmpArrowUp : g_sEBI.hAlphaPreXPBmpArrowDn;
}
else
{
iArrWidth = g_sEBI.headernormal.iBmpArrowWidth;
iArrHeight = g_sEBI.headernormal.iBmpArrowHeight;
phBitmap = pCHS->bExpanded ? g_sEBI.headernormal.hAlphaBmpArrowUp : g_sEBI.headernormal.hAlphaBmpArrowDn;
}
}
dy = 0;
switch(pCHS->iState)
{
case ITEMSTATE_COLD:
idx = 0;
break;
case ITEMSTATE_PRESSED:
idx = 2;
if (phBitmap[idx]==NULL)
{
idx = 1;
// dy = 1;
}
break;
case ITEMSTATE_HOT:
idx = 1;
break;
default:
idx = 0;
break;
}
hOldBitmap = SelectObject(hDCMem,phBitmap[idx]);
AlphaBlend(hBufferDC,pCHS->rcButton.left,
pCHS->rcButton.top+dy,
iArrWidth,
iArrHeight,
hDCMem,
0,
0,
iArrWidth,
iArrHeight,
bf);
SelectObject(hDCMem,hOldBitmap);
if ((g_sEBI.bPreXP) && (lStyle & CHS_PANEHEADER))
{
if (pCHS->iState==ITEMSTATE_HOT)
{
hOldPen=SelectObject(hBufferDC,pCHS->hLightPen);
MoveToEx(hBufferDC,pCHS->rcButton.left,pCHS->rcButton.bottom+dy-1,NULL);
LineTo(hBufferDC,pCHS->rcButton.left,pCHS->rcButton.top+dy);
LineTo(hBufferDC,pCHS->rcButton.right,pCHS->rcButton.top+dy);
SelectObject(hBufferDC,hOldPen);
hOldPen=SelectObject(hBufferDC,pCHS->hShadowPen);
MoveToEx(hBufferDC,pCHS->rcButton.right-1,pCHS->rcButton.top+dy,NULL);
LineTo(hBufferDC,pCHS->rcButton.right-1,pCHS->rcButton.bottom+dy-1);
LineTo(hBufferDC,pCHS->rcButton.left,pCHS->rcButton.bottom+dy-1);
SelectObject(hBufferDC,hOldPen);
}
else
if (pCHS->iState==ITEMSTATE_PRESSED)
{
hOldPen=SelectObject(hBufferDC,pCHS->hShadowPen);
MoveToEx(hBufferDC,pCHS->rcButton.left,pCHS->rcButton.bottom+dy-1,NULL);
LineTo(hBufferDC,pCHS->rcButton.left,pCHS->rcButton.top+dy);
LineTo(hBufferDC,pCHS->rcButton.right,pCHS->rcButton.top+dy);
SelectObject(hBufferDC,hOldPen);
hOldPen=SelectObject(hBufferDC,pCHS->hLightPen);
MoveToEx(hBufferDC,pCHS->rcButton.right-1,pCHS->rcButton.top+dy,NULL);
LineTo(hBufferDC,pCHS->rcButton.right-1,pCHS->rcButton.bottom+dy-1);
LineTo(hBufferDC,pCHS->rcButton.left,pCHS->rcButton.bottom+dy-1);
SelectObject(hBufferDC,hOldPen);
}
}
if ((lStyle & CHS_PANEHEADER) && (pCHS->chf.hIList))
{
ImageList_Draw(pCHS->chf.hIList,pCHS->chf.iIIdx,hBufferDC,
pCHS->rcIcon.left,pCHS->rcIcon.top,ILD_TRANSPARENT);
}
szText[0]=0x00;
GetWindowText(hwnd,szText,256);
memcpy(&rcText,&pCHS->rcText,sizeof(RECT));
if (lStyle & CHS_FOCUSRECT)
{
if (pCHS->bFocus)
DrawFocusRect(hBufferDC,&rcText);
rcText.left++;
rcText.right--;
rcText.top++;
rcText.bottom--;
}
if (lStyle & CHS_WORDBREAK) // multiline, use current control width
{
if (pCHS->bMultiLine)
uDTStyle = DT_EXTERNALLEADING|DT_WORDBREAK;
else
uDTStyle = DT_SINGLELINE|DT_NOCLIP;
}
else
{
if (lStyle & CHS_END_ELLIPSIS) // singleline, use current control width
{
uDTStyle = DT_END_ELLIPSIS|DT_SINGLELINE;
}
else // singleline, ignore current control width
{
uDTStyle = DT_SINGLELINE|DT_NOCLIP;
}
}
switch(pCHS->chf.uAlign)
{
case CH_CENTER:
uDTStyle |= DT_CENTER;
break;
case CH_RIGHT:
uDTStyle |= DT_RIGHT;
break;
default:
uDTStyle |= DT_LEFT;
break;
}
if (lExStyle & WS_EX_RTLREADING) uDTStyle |= DT_RTLREADING;
DrawTextEx(hBufferDC,szText,lstrlen(szText),&rcText,uDTStyle,NULL);
SetBkMode(hBufferDC,iOldBkMode);
SetTextColor(hBufferDC,iOldColor);
SelectObject(hBufferDC,hOldFont);
if (hDCMem) DeleteDC(hDCMem);
BitBlt(hDC,ptOffset.x,ptOffset.y,rcClient.right,rcClient.bottom,hBufferDC,0,0,SRCCOPY);
SelectObject(hBufferDC,hOldBufferBitmap);
DeleteDC(hBufferDC);
DeleteObject(hBufferBitmap);
if (iCtrlWidth!=-1)
memcpy(pCHS,&CHSSave,sizeof(CHSTRUCT));
}