www.pudn.com > ExpBar_src.zip > cbbutton.c
/*
* file : cbbutton.c
* language : ANSI/ISO C
* plattform : Win32 (Windows 98/Me/NT/2000/XP)
* description : implements checkbox/radio button for xp-style explorer bar
*
* revision history:
* =================
*
* date: author: description:
* --------------------------------------------------------------------------
* 02/17/2004 Ingo A. Kubbilun first published version 1.0
*/
#include
#include
#include
#define BUTTON_HSPACE 2
#define BUTTON_VSPACE1 6
#define BUTTON_VSPACE2 2
#define CHECK_HSPACE 4
#define RADIO_HSPACE 4
#define BUTTON_LEFT 0
#define BUTTON_RIGHT 1
#define BUTTON_CENTER 2
static BOOL APIENTRY GetLogFontEx ( HFONT hFont, PLOGFONT pLF, UINT *puDescent )
{
HDC hDC = GetDC(NULL);
HGDIOBJ hOldObj;
TEXTMETRIC tm;
memset(pLF,0,sizeof(LOGFONT));
if (!hDC) return FALSE;
if (!hFont)
{
ReleaseDC(NULL,hDC);
return FALSE;
}
hOldObj = SelectObject(hDC,hFont);
if (!GetTextMetrics(hDC,&tm))
{
SelectObject(hDC,hOldObj);
ReleaseDC(NULL,hDC);
return FALSE;
}
if (puDescent) *puDescent = tm.tmDescent;
pLF->lfHeight = -tm.tmAscent;
pLF->lfWeight = tm.tmWeight;
pLF->lfItalic = tm.tmItalic;
pLF->lfCharSet = tm.tmCharSet;
pLF->lfQuality = DEFAULT_QUALITY;
pLF->lfPitchAndFamily = tm.tmPitchAndFamily;
GetTextFace(hDC,sizeof(pLF->lfFaceName),pLF->lfFaceName);
SelectObject(hDC,hOldObj);
ReleaseDC(NULL,hDC);
return TRUE;
}
static void APIPRIVATE HandleClick ( HWND hwnd, PCBBUTTON pCBB )
{
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
switch(lStyle & CBBS_TYPEMASK)
{
case CBBS_AUTOCHECKBOX:
case CBBS_AUTORADIOBUTTON:
pCBB->uButtonState ^= CBBST_CHECKED;
InvalidateRect(hwnd,NULL,TRUE);
break;
case CBBS_AUTO3STATE:
pCBB->uButtonState++;
if (pCBB->uButtonState==3)
pCBB->uButtonState = CBBST_UNCHECKED;
InvalidateRect(hwnd,NULL,TRUE);
break;
}
}
static void APIPRIVATE GetHitTestRect ( HWND hwnd, PCBBUTTON pCBB, LPRECT lpRC )
{
if (GetWindowLong(hwnd,GWL_STYLE) & CBBS_NOAUTOSIZE)
GetClientRect(hwnd,lpRC);
else
{
memcpy(lpRC,&pCBB->rcText,sizeof(RECT));
if (((pCBB->rcButton.right-pCBB->rcButton.left)>0) &&
((pCBB->rcButton.bottom-pCBB->rcButton.top)>0))
{
if (pCBB->rcButton.left < lpRC->left)
lpRC->left = pCBB->rcButton.left;
if (pCBB->rcButton.right > lpRC->right)
lpRC->right = pCBB->rcButton.right;
if (pCBB->rcButton.top < lpRC->top)
lpRC->top = pCBB->rcButton.top;
if (pCBB->rcButton.bottom > lpRC->bottom)
lpRC->bottom = pCBB->rcButton.bottom;
}
}
}
static void APIPRIVATE CheckNeedRepaint ( HWND hwnd, PCBBUTTON pCBB )
{
int iState = ITEMSTATE_COLD;
RECT rcClient;
POINT pt;
if (!pCBB->bEnabled)
iState = ITEMSTATE_DISABLED;
else
{
GetHitTestRect(hwnd,pCBB,&rcClient);
if (pCBB->bKeyDown)
iState = ITEMSTATE_PRESSED;
else
{
pt.x = pCBB->iMouseX;
pt.y = pCBB->iMouseY;
if (PtInRect(&rcClient,pt))
{
if (pCBB->bLButtonDown)
iState = ITEMSTATE_PRESSED;
else
iState = ITEMSTATE_HOT;
}
else
if (GetCapture()==hwnd)
iState = ITEMSTATE_HOT;
}
}
if (pCBB->iState!=iState)
{
pCBB->iState = iState;
InvalidateRect(hwnd,NULL,TRUE);
}
}
// iRequiredWidth only used if !(lStyle & TLS_NOAUTOSIZE) !!!
static BOOL APIENTRY GetItemSize ( HWND hwnd, PCBBUTTON pCBB, PSIZE pSI, int iRequiredWidth )
{
SIZE siText,siSingleLine;
TCHAR szText[256];
HDC hDC;
HGDIOBJ hOldObj;
RECT rcClient,rcText,rcClientOrig;
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
LONG lExStyle = GetWindowLong(hwnd,GWL_EXSTYLE);
UINT uDTStyle = 0L;
int iTextWidth,iTextHeight,iDelta;
int iPreTextWidth,iPreTextHeight;
UINT uAlign;
SIZE siTheme;
BOOL bIsPushButton = FALSE;
if (!pCBB) return FALSE;
if (((lStyle & CBBS_TYPEMASK)==CBBS_PUSHBUTTON) ||
((lStyle & CBBS_TYPEMASK)==CBBS_DEFPUSHBUTTON))
{
uAlign = BUTTON_CENTER;
bIsPushButton = TRUE;
}
else
uAlign = BUTTON_LEFT;
if (lStyle & CBBS_LEFT)
uAlign = BUTTON_LEFT;
else
{
if (lStyle & CBBS_RIGHT)
uAlign = BUTTON_RIGHT;
else
if (lStyle & CBBS_CENTER)
uAlign = BUTTON_CENTER;
}
if (lExStyle & WS_EX_RIGHT)
{
lStyle |= CBBS_LEFTTEXT;
if (uAlign==BUTTON_LEFT)
uAlign=BUTTON_RIGHT;
else
if (uAlign==BUTTON_RIGHT)
uAlign=BUTTON_LEFT;
}
if (lStyle & CBBS_NOAUTOSIZE)
{
GetClientRect(hwnd,&rcClient);
pSI->cx = rcClient.right;
pSI->cy = rcClient.bottom;
}
else
{
if (iRequiredWidth==-1)
GetClientRect(hwnd,&rcClient);
else
rcClient.right = iRequiredWidth;
rcClient.left = rcClient.top = 0;
rcClient.bottom = 32767;
}
memcpy(&rcClientOrig,&rcClient,sizeof(RECT));
memset(&pCBB->rcText,0,sizeof(RECT));
memset(&pCBB->rcButton,0,sizeof(RECT));
hDC = GetDC(hwnd);
if (hDC)
{
if (bIsPushButton)
hOldObj = SelectObject(hDC,pCBB->hFontNormal);
else
hOldObj = SelectObject(hDC,pCBB->hFontCheckedHot);
szText[0]=0x00;
GetWindowText(hwnd,szText,256);
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;
// Calculate button and text dimensions
switch(lStyle & CBBS_TYPEMASK)
{
case CBBS_PUSHBUTTON:
case CBBS_DEFPUSHBUTTON:
GetClientRect(hwnd,&rcClient);
pSI->cx = rcClient.right;
pSI->cy = rcClient.bottom;
pCBB->rcButton.right = rcClient.right;
pCBB->rcButton.bottom = rcClient.bottom;
pCBB->rcText.left = BUTTON_HSPACE;
pCBB->rcText.top = BUTTON_VSPACE1;
pCBB->rcText.right = rcClient.right-(BUTTON_HSPACE<<1);
pCBB->rcText.bottom = rcClient.bottom-(BUTTON_VSPACE1+BUTTON_VSPACE2);
break;
case CBBS_CHECKBOX:
case CBBS_AUTOCHECKBOX:
case CBBS_3STATE:
case CBBS_AUTO3STATE:
if (g_sEBI.bPreXP)
{
if (lStyle & CBBS_LEFTTEXT) // button right
{
pCBB->rcButton.right = rcClient.right;
pCBB->rcButton.left = pCBB->rcButton.right-siSingleLine.cy;
pCBB->rcButton.bottom = siSingleLine.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.right = pCBB->rcButton.left-CHECK_HSPACE;
}
else
{
pCBB->rcButton.right = siSingleLine.cy;
pCBB->rcButton.bottom = siSingleLine.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.left = pCBB->rcButton.right+CHECK_HSPACE;
pCBB->rcText.right = rcClient.right;
}
}
else
{
siTheme.cx = siTheme.cy = 0;
GetThemePartSize(pCBB->hTheme,hDC,BP_CHECKBOX,CBS_CHECKEDNORMAL,NULL,TS_DRAW,&siTheme);
if (lStyle & CBBS_LEFTTEXT) // button right
{
pCBB->rcButton.right = rcClient.right;
pCBB->rcButton.left = pCBB->rcButton.right-siTheme.cx;
pCBB->rcButton.bottom = siTheme.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.right = pCBB->rcButton.left-CHECK_HSPACE;
}
else
{
pCBB->rcButton.right = siTheme.cx;
pCBB->rcButton.bottom = siTheme.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.left = pCBB->rcButton.right+CHECK_HSPACE;
pCBB->rcText.right = rcClient.right;
}
iDelta = siSingleLine.cy-siTheme.cy;
if (iDelta) // >0: text>button, <0: button>text
{
if (iDelta<0) // button>text
{
pCBB->rcText.top = (-iDelta)>>1;
}
else
{
iDelta>>=1;
pCBB->rcButton.top += iDelta;
pCBB->rcButton.bottom += iDelta;
}
}
}
break;
case CBBS_RADIOBUTTON:
case CBBS_AUTORADIOBUTTON:
if (g_sEBI.bPreXP)
{
if (lStyle & CBBS_LEFTTEXT) // button right
{
pCBB->rcButton.right = rcClient.right;
pCBB->rcButton.left = pCBB->rcButton.right-siSingleLine.cy;
pCBB->rcButton.bottom = siSingleLine.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.right = pCBB->rcButton.left-RADIO_HSPACE;
}
else
{
pCBB->rcButton.right = siSingleLine.cy;
pCBB->rcButton.bottom = siSingleLine.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.left = pCBB->rcButton.right+RADIO_HSPACE;
pCBB->rcText.right = rcClient.right;
}
}
else
{
siTheme.cx = siTheme.cy = 0;
GetThemePartSize(pCBB->hTheme,hDC,BP_RADIOBUTTON,RBS_CHECKEDNORMAL,NULL,TS_DRAW,&siTheme);
if (lStyle & CBBS_LEFTTEXT) // button right
{
pCBB->rcButton.right = rcClient.right;
pCBB->rcButton.left = pCBB->rcButton.right-siTheme.cx;
pCBB->rcButton.bottom = siTheme.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.right = pCBB->rcButton.left-RADIO_HSPACE;
}
else
{
pCBB->rcButton.right = siTheme.cx;
pCBB->rcButton.bottom = siTheme.cy;
pCBB->rcText.bottom = rcClient.bottom;
pCBB->rcText.left = pCBB->rcButton.right+RADIO_HSPACE;
pCBB->rcText.right = rcClient.right;
}
iDelta = siSingleLine.cy-siTheme.cy;
if (iDelta) // >0: text>button, <0: button>text
{
if (iDelta<0) // button>text
{
pCBB->rcText.top = (-iDelta)>>1;
}
else
{
iDelta>>=1;
pCBB->rcButton.top += iDelta;
pCBB->rcButton.bottom += iDelta;
}
}
}
break;
default:
SelectObject(hDC,hOldObj);
ReleaseDC(hwnd,hDC);
return FALSE;
}
rcText.left = 0;
rcText.right = pCBB->rcText.right-pCBB->rcText.left;
rcText.top = 0;
rcText.bottom = 32767;
if (lStyle & CBBS_FOCUSRECT)
rcText.right -= 2;
if (lStyle & CBBS_WORDBREAK) // multiline, use current control width
{
uDTStyle = DT_EXTERNALLEADING|DT_WORDBREAK;
}
else
{
if (lStyle & CBBS_END_ELLIPSIS) // singleline, use current control width
{
uDTStyle = DT_END_ELLIPSIS|DT_SINGLELINE;
}
else // singleline, ignore current control width
{
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;
pCBB->bMultiLine = (siText.cy>=(siSingleLine.cy<<1)) ? TRUE : FALSE;
iTextWidth = siText.cx;
iTextHeight = siText.cy;
if (lStyle & CBBS_FOCUSRECT)
{
iTextWidth += 2;
iTextHeight += 2;
}
if (bIsPushButton)
{
iPreTextWidth = pCBB->rcText.right-pCBB->rcText.left;
iPreTextHeight = pCBB->rcText.bottom-pCBB->rcText.top;
if (iPreTextWidth>iTextWidth)
{
iDelta = iPreTextWidth-iTextWidth;
switch(uAlign)
{
case BUTTON_LEFT:
pCBB->rcText.right -= iDelta;
break;
case BUTTON_RIGHT:
pCBB->rcText.left += iDelta;
break;
default:
pCBB->rcText.left += (iDelta>>1);
pCBB->rcText.right -= iDelta-(iDelta>>1);
}
}
if (iPreTextHeight>iTextHeight)
{
iDelta = (iPreTextHeight-iTextHeight);
pCBB->rcText.top += iDelta>>1;
pCBB->rcText.bottom -= iDelta-(iDelta>>1);
}
else
if (iPreTextHeightrcText.top -= iDelta>>1;
pCBB->rcText.bottom += iDelta-(iDelta>>1);
}
}
else
{
if (lStyle & CBBS_FOCUSRECT)
{
pCBB->rcText.top --;
if (pCBB->rcText.top<0)
{
pCBB->rcText.top ++;
pCBB->rcButton.top ++;
pCBB->rcButton.bottom ++;
}
}
pCBB->rcText.bottom = pCBB->rcText.top + iTextHeight;
iPreTextWidth = pCBB->rcText.right-pCBB->rcText.left;
if (iPreTextWidth>iTextWidth)
{
iDelta = iPreTextWidth-iTextWidth;
switch(uAlign)
{
case BUTTON_LEFT:
pCBB->rcText.right -= iDelta;
break;
case BUTTON_RIGHT:
pCBB->rcText.left += iDelta;
break;
default:
iDelta>>=1;
pCBB->rcText.left += iDelta;
pCBB->rcText.right -= iDelta;
}
}
}
SelectObject(hDC,hOldObj);
ReleaseDC(hwnd,hDC);
}
if ((lStyle & CBBS_NOAUTOSIZE) ||
((lStyle & CBBS_TYPEMASK)==CBBS_PUSHBUTTON) ||
((lStyle & CBBS_TYPEMASK)==CBBS_DEFPUSHBUTTON))
return TRUE;
// pSI füllen
memcpy(&rcText,&pCBB->rcText,sizeof(RECT));
if (((pCBB->rcButton.right-pCBB->rcButton.left)>0) &&
((pCBB->rcButton.bottom-pCBB->rcButton.top)>0))
{
if (pCBB->rcButton.left < rcText.left)
rcText.left = pCBB->rcButton.left;
if (pCBB->rcButton.right > rcText.right)
rcText.right = pCBB->rcButton.right;
if (pCBB->rcButton.top < rcText.top)
rcText.top = pCBB->rcButton.top;
if (pCBB->rcButton.bottom > rcText.bottom)
rcText.bottom = pCBB->rcButton.bottom;
}
pSI->cx = rcText.right/*-rcText.left*/;
pSI->cy = rcText.bottom/*-rcText.top*/;
return TRUE;
}
LRESULT CALLBACK CBButtonWndProc ( HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam )
{
switch(uMsg)
{
case WM_GETORIGDIMENSIONS:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (pCBB)
{
*((int*)wParam) = pCBB->iOrigWidth;
*((int*)lParam) = pCBB->iOrigHeight;
}
else
{
*((int*)wParam) = 0;
*((int*)lParam) = 0;
}
return 0L;
}
case WM_CREATE:
{
PCBBUTTON pCBB = (PCBBUTTON)malloc(sizeof(CBBUTTON));
LOGFONT lf;
SIZE si;
if (!pCBB) return -1L;
memset(pCBB,0,sizeof(CBBUTTON));
{
RECT rcClient;
GetClientRect(hwnd,&rcClient);
pCBB->iOrigWidth = rcClient.right;
pCBB->iOrigHeight = rcClient.bottom;
}
pCBB->cbSize = sizeof(CBBUTTON);
if (!g_sEBI.bPreXP)
{
pCBB->hTheme = OpenThemeData(hwnd,L"BUTTON");
if (!pCBB->hTheme)
{
free(pCBB);
return -1L;
}
}
pCBB->bEnabled = IsWindowEnabled(hwnd);
pCBB->iMouseX = -1;
pCBB->iMouseY = -1;
pCBB->iState = pCBB->bEnabled ? ITEMSTATE_COLD : ITEMSTATE_DISABLED;
if (GetLogFontEx((HFONT)GetStockObject(DEFAULT_GUI_FONT),&lf,&pCBB->uDescent))
{
lf.lfWeight = FW_NORMAL;
lf.lfItalic = FALSE;
lf.lfUnderline = FALSE;
pCBB->hFontNormal = CreateFontIndirect(&lf);
lf.lfUnderline = TRUE;
pCBB->hFontHot = CreateFontIndirect(&lf);
lf.lfWeight = FW_BOLD;
pCBB->hFontCheckedHot = CreateFontIndirect(&lf);
lf.lfUnderline = FALSE;
pCBB->hFontCheckedNormal = CreateFontIndirect(&lf);
}
SetWindowLong(hwnd,GWL_USERDATA,(LONG)pCBB);
if (GetItemSize(hwnd,pCBB,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
return 0L;
}
case WM_ENABLE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
pCBB->bEnabled = wParam ? TRUE : FALSE;
pCBB->iState = pCBB->bEnabled ? ITEMSTATE_COLD : ITEMSTATE_DISABLED;
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case WM_DESTROY:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if ((pCBB) && (pCBB->cbSize==sizeof(CBBUTTON)))
{
if (pCBB->hTheme)
CloseThemeData(pCBB->hTheme);
if (pCBB->hFontNormal)
DeleteObject(pCBB->hFontNormal);
if (pCBB->hFontHot)
DeleteObject(pCBB->hFontHot);
if (pCBB->hFontCheckedNormal)
DeleteObject(pCBB->hFontCheckedNormal);
if (pCBB->hFontCheckedHot)
DeleteObject(pCBB->hFontCheckedHot);
free(pCBB);
SetWindowLong(hwnd,GWL_USERDATA,(LONG)0L);
}
break;
}
case WM_THEMECHANGED:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (pCBB)
{
if (pCBB->hTheme)
{
CloseThemeData(pCBB->hTheme);
pCBB->hTheme = NULL;
}
if (!g_sEBI.bPreXP)
pCBB->hTheme = OpenThemeData(hwnd,L"BUTTON");
}
return 0L;
}
case WM_SETFONT:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
LOGFONT lf;
SIZE si;
if (!pCBB) return 0L;
if (pCBB->hFontNormal)
{
DeleteObject(pCBB->hFontNormal);
pCBB->hFontNormal = NULL;
}
if (pCBB->hFontHot)
{
DeleteObject(pCBB->hFontHot);
pCBB->hFontHot = NULL;
}
if (pCBB->hFontCheckedNormal)
{
DeleteObject(pCBB->hFontCheckedNormal);
pCBB->hFontCheckedNormal = NULL;
}
if (pCBB->hFontCheckedHot)
{
DeleteObject(pCBB->hFontCheckedHot);
pCBB->hFontCheckedHot = NULL;
}
if (GetLogFontEx( wParam ? ((HFONT)wParam) : ((HFONT)GetStockObject(DEFAULT_GUI_FONT)),&lf,&pCBB->uDescent) )
{
lf.lfWeight = FW_NORMAL;
lf.lfItalic = FALSE;
lf.lfUnderline = FALSE;
pCBB->hFontNormal = CreateFontIndirect(&lf);
lf.lfUnderline = TRUE;
pCBB->hFontHot = CreateFontIndirect(&lf);
lf.lfWeight = FW_BOLD;
pCBB->hFontCheckedHot = CreateFontIndirect(&lf);
lf.lfUnderline = FALSE;
pCBB->hFontCheckedNormal = CreateFontIndirect(&lf);
if (GetItemSize(hwnd,pCBB,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
if (LOWORD(lParam))
InvalidateRect(hwnd,NULL,TRUE);
}
return 0L;
}
case CBBM_SETCURSOR: // wParam = HCURSOR(NULL=standard)
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return FALSE;
pCBB->hCursor = (HCURSOR)wParam;
return TRUE;
}
case WM_NCHITTEST:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
POINT pt;
RECT rcClient;
if (!pCBB) break;
GetHitTestRect(hwnd,pCBB,&rcClient);
pt.x = (int)((short)LOWORD(lParam));
pt.y = (int)((short)HIWORD(lParam));
ScreenToClient(hwnd,&pt);
if (PtInRect(&rcClient,pt))
return HTCLIENT;
else
return HTNOWHERE;
}
case WM_SETCURSOR:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return FALSE;
if (LOWORD(lParam)==HTCLIENT)
SetCursor(pCBB->hCursor ? pCBB->hCursor : LoadCursor(NULL,IDC_ARROW));
else
SetCursor(LoadCursor(NULL,IDC_ARROW));
return TRUE;
}
case WM_ERASEBKGND:
return TRUE;
case WM_SIZE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
SIZE si;
if (!pCBB) return FALSE;
GetItemSize(hwnd,pCBB,&si,-1);
break;
}
case WM_CALCDIMENSIONS: // wParam = LPSIZE, lParam = width of control in px (-1 = get current width)
{
PCBBUTTON pCBBSave,pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
BOOL bReturn;
if (!pCBB) return FALSE;
if (IsBadWritePtr((VOID *)wParam,sizeof(SIZE)))
return FALSE;
pCBBSave = (PCBBUTTON)malloc(sizeof(CBBUTTON));
if (!pCBBSave) return FALSE;
memcpy(pCBBSave,pCBB,sizeof(CBBUTTON));
bReturn = GetItemSize(hwnd,pCBB,(PSIZE)wParam,(int)lParam);
memcpy(pCBB,pCBBSave,sizeof(CBBUTTON));
return bReturn;
}
case WM_KEYDOWN:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
if ((wParam==VK_SPACE) && (pCBB->bFocus) && (pCBB->bEnabled) && (GetCapture()!=hwnd))
{
pCBB->bKeyDown = TRUE;
CheckNeedRepaint(hwnd,pCBB);
}
return 0L;
}
case WM_KEYUP:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
if ((wParam==VK_SPACE) && (pCBB->bFocus) && (pCBB->bEnabled) && (pCBB->bKeyDown))
{
pCBB->bKeyDown = FALSE;
CheckNeedRepaint(hwnd,pCBB);
if (pCBB->bEnabled)
{
HandleClick(hwnd,pCBB);
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), ((WORD)CBBN_CLICKED) ),
(LPARAM)hwnd);
}
}
return 0L;
}
case WM_LBUTTONDBLCLK:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
if (!pCBB) return 0L;
if (!pCBB->bEnabled) return 0L;
pCBB->iMouseX = (int)((short)LOWORD(lParam));
pCBB->iMouseY = (int)((short)HIWORD(lParam));
pCBB->bLButtonDown = TRUE;
pCBB->bLButtonDblClk = TRUE;
if ((!(lStyle & CBBS_NOSETFOCUSONCLICK)) && (pCBB->bEnabled)) SetFocus(hwnd);
SetCapture(hwnd);
CheckNeedRepaint(hwnd,pCBB);
return 0L;
}
case WM_LBUTTONDOWN:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
if (!pCBB) return 0L;
if (!pCBB->bEnabled) return 0L;
pCBB->iMouseX = (int)((short)LOWORD(lParam));
pCBB->iMouseY = (int)((short)HIWORD(lParam));
pCBB->bLButtonDown = TRUE;
if ((!(lStyle & CBBS_NOSETFOCUSONCLICK)) && (pCBB->bEnabled)) SetFocus(hwnd);
SetCapture(hwnd);
CheckNeedRepaint(hwnd,pCBB);
return 0L;
}
case WM_LBUTTONUP:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
RECT rcClient;
POINT pt;
UINT uNotify;
if (!pCBB) return 0L;
if (!pCBB->bEnabled) return 0L;
pCBB->iMouseX = (int)((short)LOWORD(lParam));
pCBB->iMouseY = (int)((short)HIWORD(lParam));
if (pCBB->bLButtonDown)
{
pCBB->bLButtonDown = FALSE;
CheckNeedRepaint(hwnd,pCBB);
pt.x = pCBB->iMouseX;
pt.y = pCBB->iMouseY;
GetClientRect(hwnd,&rcClient);
if (PtInRect(&rcClient,pt))
{
ReleaseCapture();
if (pCBB->bEnabled)
{
if (pCBB->bLButtonDblClk)
{
uNotify = CBBN_DOUBLECLICKED;
pCBB->bLButtonDblClk = FALSE;
}
else
uNotify = CBBN_CLICKED;
HandleClick(hwnd,pCBB);
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), ((WORD)uNotify) ),
(LPARAM)hwnd);
}
}
else
ReleaseCapture();
}
return 0L;
}
case WM_MOUSELEAVE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
pCBB->iMouseX = -1;
pCBB->iMouseY = -1;
pCBB->bTrackMouse = FALSE;
CheckNeedRepaint(hwnd,pCBB);
if (GetWindowLong(hwnd,GWL_STYLE) & CBBS_NOTIFY)
{
NMBCHOTITEM nmbchi;
nmbchi.hdr.hwndFrom = hwnd;
nmbchi.hdr.idFrom = GetWindowLong(hwnd,GWL_ID);
nmbchi.hdr.code = CBBN_HOTITEMCHANGE;
nmbchi.dwFlags = HICF_LEAVING;
SendMessage(GetParent(hwnd),WM_NOTIFY,(WPARAM)nmbchi.hdr.idFrom,(LPARAM)&nmbchi);
}
return 0L;
}
case WM_MOUSEMOVE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
TRACKMOUSEEVENT tme;
if (!pCBB) return 0L;
if (!pCBB->bEnabled) return 0L;
if (!pCBB->bTrackMouse)
{
pCBB->bTrackMouse = TRUE;
tme.cbSize = sizeof(TRACKMOUSEEVENT);
tme.dwFlags = TME_LEAVE;
tme.dwHoverTime = 0;
tme.hwndTrack = hwnd;
TrackMouseEvent(&tme);
if (GetWindowLong(hwnd,GWL_STYLE) & CBBS_NOTIFY)
{
NMBCHOTITEM nmbchi;
nmbchi.hdr.hwndFrom = hwnd;
nmbchi.hdr.idFrom = GetWindowLong(hwnd,GWL_ID);
nmbchi.hdr.code = CBBN_HOTITEMCHANGE;
nmbchi.dwFlags = HICF_ENTERING;
SendMessage(GetParent(hwnd),WM_NOTIFY,(WPARAM)nmbchi.hdr.idFrom,(LPARAM)&nmbchi);
}
}
pCBB->iMouseX = (int)((short)LOWORD(lParam));
pCBB->iMouseY = (int)((short)HIWORD(lParam));
CheckNeedRepaint(hwnd,pCBB);
return 0L;
}
case WM_SETFOCUS:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
if (!pCBB) break;
pCBB->bFocus = TRUE;
if (lStyle & CBBS_NOTIFY)
{
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), ((WORD)CBBN_SETFOCUS) ),
(LPARAM)hwnd);
}
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case WM_KILLFOCUS:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
if (!pCBB) break;
pCBB->bFocus = FALSE;
pCBB->bKeyDown = FALSE;
if (lStyle & CBBS_NOTIFY)
{
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), ((WORD)CBBN_KILLFOCUS) ),
(LPARAM)hwnd);
}
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case WM_CAPTURECHANGED:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
pCBB->bLButtonDown = FALSE;
pCBB->bLButtonDblClk = FALSE;
pCBB->bTrackMouse = FALSE;
pCBB->iMouseX = -1;
pCBB->iMouseY = -1;
CheckNeedRepaint(hwnd,pCBB);
return 0L;
}
case BM_GETCHECK:
case CBBM_GETCHECK:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
return pCBB->uButtonState&0x3L;
}
case BM_SETCHECK:
case CBBM_SETCHECK:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
UINT uOldState;
if (!pCBB) return 0L;
uOldState = pCBB->uButtonState;
pCBB->uButtonState = (((UINT)wParam)&0x3L)|(uOldState&~3);
if (uOldState!=pCBB->uButtonState)
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case CBBM_GETSTATE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
UINT uState;
if (!pCBB) return 0L;
uState = pCBB->uButtonState;
if (pCBB->iState==ITEMSTATE_PRESSED)
uState |= CBBST_PUSHED;
if (pCBB->bFocus)
uState |= CBBST_FOCUS;
return uState;
}
case CBBM_SETSTATE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
POINT pt;
RECT rcClient;
if (!pCBB) return 0L;
if ((wParam) && (pCBB->iState!=ITEMSTATE_PRESSED))
{
pCBB->iMouseX = 0;
pCBB->iMouseY = 0;
pCBB->bLButtonDown = TRUE;
if ((!(lStyle & CBBS_NOSETFOCUSONCLICK)) && (pCBB->bEnabled)) SetFocus(hwnd);
SetCapture(hwnd);
CheckNeedRepaint(hwnd,pCBB);
}
else
if ((!wParam) && (pCBB->iState==ITEMSTATE_PRESSED))
{
pCBB->iMouseX = (int)((short)LOWORD(lParam));
pCBB->iMouseY = (int)((short)HIWORD(lParam));
if (pCBB->bLButtonDown)
{
pCBB->bLButtonDown = FALSE;
CheckNeedRepaint(hwnd,pCBB);
pt.x = 0;
pt.y = 0;
GetClientRect(hwnd,&rcClient);
if (PtInRect(&rcClient,pt))
{
ReleaseCapture();
if ((pCBB->bEnabled) && (pCBB->iState==ITEMSTATE_HOT))
{
HandleClick(hwnd,pCBB);
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), ((WORD)CBBN_CLICKED) ),
(LPARAM)hwnd);
}
}
else
ReleaseCapture();
}
}
return 0L;
}
case CBBM_SETSTYLE:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
SIZE si;
if (!pCBB) return 0L;
SetWindowLong(hwnd,GWL_STYLE,(LONG)wParam);
if (GetItemSize(hwnd,pCBB,&si,-1))
SetWindowPos(hwnd,NULL,0,0,si.cx,si.cy,SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOOWNERZORDER|SWP_NOZORDER);
if (lParam)
InvalidateRect(hwnd,NULL,TRUE);
return 0L;
}
case CBBM_CLICK:
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
if (!pCBB) return 0L;
HandleClick(hwnd,pCBB);
SendMessage(GetParent(hwnd),
WM_COMMAND,
MAKELONG( ((WORD)GetWindowLong(hwnd,GWL_ID)), ((WORD)CBBN_CLICKED) ),
(LPARAM)hwnd);
return 0L;
}
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hDC;
POINT pt = {0,0};
hDC = BeginPaint(hwnd,&ps);
if (hDC)
{
CBButtonPaintDC(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)))
CBButtonPaintDC(hwnd,hDC,pt,uFlags & PRF_ERASEBKGND ? TRUE : FALSE,-1);
return TRUE;
}
return FALSE;
}
default:
break;
}
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
void APIENTRY CBButtonPaintDC ( HWND hwnd, HDC hDC, POINT ptOffset, BOOL bPaintBackground, int iCtrlWidth )
{
PCBBUTTON pCBB = (PCBBUTTON)GetWindowLong(hwnd,GWL_USERDATA);
CBBUTTON CBBSave;
LONG lStyle = GetWindowLong(hwnd,GWL_STYLE);
LONG lExStyle = GetWindowLong(hwnd,GWL_EXSTYLE);
UINT uDTStyle = 0L;
UINT uAlign;
BOOL bIsPushButton = FALSE;
RECT rcClient;
HBITMAP hOldBitmap,hBitmapMem;
HDC hDCMem;
HBRUSH hBackBrush;
BOOL bDefaultButton;
UINT uState,uPreState;
int iOldMode,iOldColor;
HFONT hOldFont;
SIZE siText;
RECT rcText;
int iDelta,iTextWidthAvail;
TCHAR szText[256];
if (pCBB)
{
if (iCtrlWidth!=-1)
{
SIZE si;
memcpy(&CBBSave,pCBB,sizeof(CBBUTTON));
GetItemSize(hwnd,pCBB,&si,iCtrlWidth);
rcClient.left = rcClient.top = 0;
rcClient.right = si.cx;
rcClient.bottom = si.cy;
}
else
GetClientRect(hwnd,&rcClient);
if (((lStyle & CBBS_TYPEMASK)==CBBS_PUSHBUTTON) ||
((lStyle & CBBS_TYPEMASK)==CBBS_DEFPUSHBUTTON))
{
uAlign = BUTTON_CENTER;
bIsPushButton = TRUE;
}
else
uAlign = BUTTON_LEFT;
if (lStyle & CBBS_LEFT)
uAlign = BUTTON_LEFT;
else
{
if (lStyle & CBBS_RIGHT)
uAlign = BUTTON_RIGHT;
else
if (lStyle & CBBS_CENTER)
uAlign = BUTTON_CENTER;
}
if (lExStyle & WS_EX_RIGHT)
{
lStyle |= CBBS_LEFTTEXT;
if (uAlign==BUTTON_LEFT)
uAlign=BUTTON_RIGHT;
else
if (uAlign==BUTTON_RIGHT)
uAlign=BUTTON_LEFT;
}
hDCMem = CreateCompatibleDC(hDC);
hBitmapMem = CreateCompatibleBitmap(hDC,rcClient.right,rcClient.bottom);
if ((hDCMem) && (hBitmapMem))
{
hOldBitmap=SelectObject(hDCMem,hBitmapMem);
if (bPaintBackground)
{
hBackBrush = (HBRUSH)SendMessage(GetParent(hwnd),WM_CTLCOLORBTN,(WPARAM)hDCMem,(LPARAM)hwnd);
if (((ULONG)(hBackBrush))>1)
FillRect(hDCMem,&rcClient,hBackBrush);
}
else
BitBlt(hDCMem,0,0,rcClient.right,rcClient.bottom,hDC,ptOffset.x,ptOffset.y,SRCCOPY);
/* hBackBrush = CreateSolidBrush(RGB(0xF0,0xE0,0xC0));
FillRect(hDCMem,&rcClient,hBackBrush);
DeleteObject(hBackBrush);*/
switch(lStyle & CBBS_TYPEMASK)
{
case CBBS_PUSHBUTTON:
case CBBS_DEFPUSHBUTTON:
bDefaultButton = (lStyle & CBBS_TYPEMASK)==CBBS_DEFPUSHBUTTON ? TRUE : FALSE;
if (pCBB->bFocus)
bDefaultButton = TRUE;
if (g_sEBI.bPreXP)
{
if (!pCBB->bEnabled)
DrawFrameControl( hDCMem,
&pCBB->rcButton,
DFC_BUTTON,
DFCS_BUTTONPUSH|
(lStyle & CBBS_FLAT ? DFCS_FLAT : 0)|
DFCS_INACTIVE );
else
{
memcpy(&rcText,&pCBB->rcButton,sizeof(RECT));
if (bDefaultButton)
{
HPEN hOldPen,hPen = CreatePen(PS_SOLID,0,GetSysColor(COLOR_3DDKSHADOW));
hOldPen = SelectObject(hDCMem,hPen);
MoveToEx(hDCMem,rcText.left,rcText.top,NULL);
LineTo(hDCMem,rcText.right-1,rcText.top);
LineTo(hDCMem,rcText.right-1,rcText.bottom-1);
LineTo(hDCMem,rcText.left,rcText.bottom-1);
LineTo(hDCMem,rcText.left,rcText.top-1);
SelectObject(hDCMem,hOldPen);
rcText.left ++;
rcText.right --;
rcText.top ++;
rcText.bottom --;
}
DrawFrameControl( hDCMem,
&rcText,
DFC_BUTTON,
DFCS_BUTTONPUSH|
(lStyle & CBBS_FLAT ? DFCS_FLAT : 0)|
(pCBB->iState==ITEMSTATE_PRESSED ? DFCS_PUSHED : 0) );
}
}
else
if (pCBB->hTheme)
{
switch(pCBB->iState)
{
case ITEMSTATE_DISABLED:
uState = PBS_DISABLED;
break;
case ITEMSTATE_COLD:
uState = bDefaultButton ? PBS_DEFAULTED : PBS_NORMAL;
break;
case ITEMSTATE_PRESSED:
uState = PBS_PRESSED;
break;
case ITEMSTATE_HOT:
uState = PBS_HOT;
break;
default:
uState = PBS_NORMAL;
break;
}
DrawThemeBackground(pCBB->hTheme,
hDCMem,
BP_PUSHBUTTON,
uState,
&pCBB->rcButton,
NULL);
}
break;
case CBBS_CHECKBOX:
case CBBS_AUTOCHECKBOX:
switch(pCBB->iState)
{
case ITEMSTATE_DISABLED:
uPreState = DFCS_BUTTONCHECK|DFCS_INACTIVE;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDDISABLED : CBS_UNCHECKEDDISABLED;
break;
case ITEMSTATE_COLD:
uPreState = DFCS_BUTTONCHECK;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDNORMAL : CBS_UNCHECKEDNORMAL;
break;
case ITEMSTATE_PRESSED:
uPreState = DFCS_BUTTONCHECK|DFCS_PUSHED;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDPRESSED : CBS_UNCHECKEDPRESSED;
break;
case ITEMSTATE_HOT:
uPreState = DFCS_BUTTONCHECK|DFCS_HOT;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDHOT : CBS_UNCHECKEDHOT;
break;
}
if (pCBB->uButtonState==CBBST_CHECKED) uPreState |= DFCS_CHECKED;
goto DoPaintCheck;
case CBBS_3STATE:
case CBBS_AUTO3STATE:
switch(pCBB->iState)
{
case ITEMSTATE_DISABLED:
uPreState = DFCS_BUTTON3STATE|DFCS_INACTIVE;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDDISABLED : (pCBB->uButtonState==CBBST_UNCHECKED ? CBS_UNCHECKEDDISABLED : CBS_MIXEDDISABLED);
break;
case ITEMSTATE_COLD:
uPreState = DFCS_BUTTON3STATE;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDNORMAL : (pCBB->uButtonState==CBBST_UNCHECKED ? CBS_UNCHECKEDNORMAL : CBS_MIXEDNORMAL);
break;
case ITEMSTATE_PRESSED:
uPreState = DFCS_BUTTON3STATE|DFCS_PUSHED;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDPRESSED : (pCBB->uButtonState==CBBST_UNCHECKED ? CBS_UNCHECKEDPRESSED : CBS_MIXEDPRESSED);
break;
case ITEMSTATE_HOT:
uPreState = DFCS_BUTTON3STATE|DFCS_HOT;
uState = pCBB->uButtonState==CBBST_CHECKED ? CBS_CHECKEDHOT : (pCBB->uButtonState==CBBST_UNCHECKED ? CBS_UNCHECKEDHOT : CBS_MIXEDHOT);
break;
}
if (pCBB->uButtonState!=CBBST_UNCHECKED) uPreState |= DFCS_CHECKED;
if (pCBB->uButtonState==CBBST_INDETERMINATE) uPreState |= DFCS_INACTIVE;
DoPaintCheck:
if (lStyle & CBBS_FLAT) uPreState |= DFCS_FLAT;
if (g_sEBI.bPreXP)
{
DrawFrameControl( hDCMem,
&pCBB->rcButton,
DFC_BUTTON,
uPreState );
}
else
{
DrawThemeBackground(pCBB->hTheme,
hDCMem,
BP_CHECKBOX,
uState,
&pCBB->rcButton,
NULL);
}
break;
case CBBS_RADIOBUTTON:
case CBBS_AUTORADIOBUTTON:
switch(pCBB->iState)
{
case ITEMSTATE_DISABLED:
uPreState = DFCS_BUTTONRADIO|DFCS_INACTIVE;
uState = pCBB->uButtonState==CBBST_CHECKED ? RBS_CHECKEDDISABLED : RBS_UNCHECKEDDISABLED;
break;
case ITEMSTATE_COLD:
uPreState = DFCS_BUTTONRADIO;
uState = pCBB->uButtonState==CBBST_CHECKED ? RBS_CHECKEDNORMAL : RBS_UNCHECKEDNORMAL;
break;
case ITEMSTATE_PRESSED:
uPreState = DFCS_BUTTONRADIO|DFCS_PUSHED;
uState = pCBB->uButtonState==CBBST_CHECKED ? RBS_CHECKEDPRESSED : RBS_UNCHECKEDPRESSED;
break;
case ITEMSTATE_HOT:
uPreState = DFCS_BUTTONRADIO|DFCS_HOT;
uState = pCBB->uButtonState==CBBST_CHECKED ? RBS_CHECKEDHOT : RBS_UNCHECKEDHOT;
break;
}
if (pCBB->uButtonState==CBBST_CHECKED) uPreState |= DFCS_CHECKED;
if (lStyle & CBBS_FLAT) uPreState |= DFCS_FLAT;
if (g_sEBI.bPreXP)
{
DrawFrameControl( hDCMem,
&pCBB->rcButton,
DFC_BUTTON,
uPreState );
}
else
{
DrawThemeBackground(pCBB->hTheme,
hDCMem,
BP_RADIOBUTTON,
uState,
&pCBB->rcButton,
NULL);
}
break;
}
// Print text
if (bIsPushButton)
hOldFont=SelectObject(hDCMem,pCBB->hFontNormal);
else
if (pCBB->uButtonState!=CBBST_UNCHECKED)
{
if ((pCBB->iState==ITEMSTATE_HOT) || (pCBB->iState==ITEMSTATE_PRESSED))
hOldFont=SelectObject(hDCMem,pCBB->hFontCheckedHot);
else
hOldFont=SelectObject(hDCMem,pCBB->hFontCheckedNormal);
}
else
{
if ((pCBB->iState==ITEMSTATE_HOT) || (pCBB->iState==ITEMSTATE_PRESSED))
hOldFont=SelectObject(hDCMem,pCBB->hFontHot);
else
hOldFont=SelectObject(hDCMem,pCBB->hFontNormal);
}
iOldMode = SetBkMode(hDCMem,TRANSPARENT);
if (pCBB->iState==ITEMSTATE_DISABLED)
iOldColor = SetTextColor(hDCMem,GetSysColor(COLOR_GRAYTEXT));
else
{
if (bIsPushButton)
iOldColor = SetTextColor(hDCMem,GetSysColor(COLOR_BTNTEXT));
else
{
if ((pCBB->iState==ITEMSTATE_HOT) || (pCBB->iState==ITEMSTATE_PRESSED))
iOldColor = SetTextColor(hDCMem,GetSysColor(COLOR_HOTLIGHT));
else
iOldColor = SetTextColor(hDCMem,GetSysColor(COLOR_BTNTEXT));
}
}
szText[0]=0x00;
GetWindowText(hwnd,szText,256);
rcText.left = 0;
rcText.right = pCBB->rcText.right-pCBB->rcText.left;
rcText.top = 0;
rcText.bottom = 32767;
if (lStyle & CBBS_FOCUSRECT)
rcText.right -= 2;
if (lStyle & CBBS_WORDBREAK) // multiline, use current control width
{
uDTStyle = DT_EXTERNALLEADING|DT_WORDBREAK;
}
else
{
if (lStyle & CBBS_END_ELLIPSIS) // singleline, use current control width
{
uDTStyle = DT_END_ELLIPSIS|DT_SINGLELINE;
}
else // singleline, ignore current control width
{
uDTStyle = DT_SINGLELINE|DT_NOCLIP;
}
}
uDTStyle |= DT_CALCRECT|DT_LEFT|DT_TOP;
if (lExStyle & WS_EX_RTLREADING) uDTStyle |= DT_RTLREADING;
siText.cy = DrawTextEx(hDCMem,szText,lstrlen(szText),&rcText,uDTStyle,NULL);
siText.cx = rcText.right;
if (lStyle & CBBS_FOCUSRECT)
siText.cx += 2;
uDTStyle &= ~(DT_CALCRECT|DT_LEFT|DT_NOCLIP);
memcpy(&rcText,&pCBB->rcText,sizeof(RECT));
iTextWidthAvail = pCBB->rcText.right-pCBB->rcText.left;
if (siText.cx>1;
rcText.left += iDelta;
rcText.right += iDelta;
break;
}
}
switch(uAlign)
{
case BUTTON_LEFT:
uDTStyle |= DT_LEFT;
break;
case BUTTON_RIGHT:
uDTStyle |= DT_RIGHT;
break;
case BUTTON_CENTER:
uDTStyle |= DT_CENTER;
break;
}
if (lStyle & CBBS_FOCUSRECT)
{
if (pCBB->bFocus)
DrawFocusRect(hDCMem,&rcText);
rcText.left ++;
rcText.top ++;
rcText.right --;
rcText.bottom --;
}
/*
if (bIsPushButton)
{
rcText.top += pCBB->uDescent;
rcText.bottom += pCBB->uDescent;
}
*/
DrawTextEx(hDCMem,szText,lstrlen(szText),&rcText,uDTStyle,NULL);
SetBkMode(hDCMem,iOldMode);
SetTextColor(hDCMem,iOldColor);
BitBlt(hDC,ptOffset.x,ptOffset.y,rcClient.right,rcClient.bottom,hDCMem,0,0,SRCCOPY);
SelectObject(hDCMem,hOldBitmap);
}
if (hBitmapMem) DeleteObject(hBitmapMem);
if (hDCMem) DeleteDC(hDCMem);
if (iCtrlWidth!=-1)
memcpy(pCBB,&CBBSave,sizeof(CBBUTTON));
}
}