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HyperLink.cpp
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HyperLink.cpp
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// HyperLink.cpp : implementation file
//
#include "stdafx.h"
#include "HyperLink.h"
#include "BufferDC.h"
extern "C" WINUSERAPI BOOL WINAPI TrackMouseEvent(LPTRACKMOUSEEVENT lpEventTrack);
// CHyperLink
IMPLEMENT_DYNAMIC(CHyperLink, CStatic)
CHyperLink::CHyperLink()
{
Initialize();
}
CHyperLink::~CHyperLink()
{
if (m_lpLinkText != NULL)
delete [] m_lpLinkText;
if (m_lpLinkUrl != NULL)
delete [] m_lpLinkUrl;
m_hReg = NULL;
m_hHand = NULL;
m_hFont.DeleteObject();
if (m_hIconUp != NULL)
{
DestroyIcon(m_hIconUp);
}
if (m_hIconHover != NULL)
{
DestroyIcon(m_hIconHover);
}
if (m_hIconDown != NULL)
{
DestroyIcon(m_hIconDown);
}
if (m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
}
}
void CHyperLink::Initialize()
{
m_lpLinkText = NULL;
m_lpLinkUrl = NULL;
m_hFont.CreateFont(14, 0, 0, 0, FW_NORMAL, 0, 0, 0, 0, 0, 0, 0, 0, L"MS Shell Dlg");
m_bUnderlineAlways = FALSE;
m_bIsLink = TRUE;
m_bLockInPosition = FALSE;
m_bMultiline = FALSE;
m_crLinkUp = RGB(0,0,255);
m_crLinkHover = RGB(0,0,255);
m_crLinkDown = RGB(255,0,0);
m_crBackGround = ::GetSysColor(COLOR_BTNFACE);
m_crBorder = RGB(0,0,0);
m_nBorderSize = 0;
m_nBorderStyle = PS_SOLID;
m_hReg = NULL;
m_hHand = ::LoadCursor(NULL, MAKEINTRESOURCE(32649));
m_hIconUp = NULL;
m_hIconHover = NULL;
m_hIconDown = NULL;
m_hIconDisabled = NULL;
m_uShowIcon = SI_ICONUP_ON | SI_ICONUP_LEFT | //Default: icons on the left Up/Hover/Down/Disabled
SI_ICONHOVER_ON | SI_ICONHOVER_LEFT |
SI_ICONDOWN_ON | SI_ICONDOWN_LEFT |
SI_ICONDISABLED_ON | SI_ICONDISABLED_LEFT;
m_bAutoGenerateDisabled = FALSE;
m_bAutoGenerated = FALSE;
m_pToolTip = &m_ToolTip;
//Status and Mouse control variables
m_bDisabled = FALSE;
m_bMouseIn = FALSE;
m_bMouseDown = FALSE;
m_bMovingWindow = FALSE;
CreatePalette();
}
BEGIN_MESSAGE_MAP(CHyperLink, CStatic)
ON_WM_PAINT()
ON_WM_MOUSEMOVE()
ON_WM_TIMER()
ON_MESSAGE(WM_MOUSELEAVE,OnMouseLeave)
ON_WM_LBUTTONUP()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONDBLCLK()
ON_WM_CAPTURECHANGED()
ON_WM_ENABLE()
END_MESSAGE_MAP()
//Functions
int CHyperLink::OpenUrl()
{
if (m_lpLinkUrl != NULL && m_bIsLink)
HINSTANCE result = ShellExecute(NULL, _T("open"), m_lpLinkUrl, NULL,NULL, SW_SHOWDEFAULT);
else
return -1;
return 0;
}
//Public
TCHAR* CHyperLink::GetLinkText()
{
if (m_lpLinkText == NULL)
return NULL;
size_t len = _tcslen(m_lpLinkText) + 1;
TCHAR* lpRet = new TCHAR[len];
_tcsncpy(lpRet,m_lpLinkText,len);
return lpRet;
}
void CHyperLink::SetLinkText(TCHAR* lpText)
{
if (m_lpLinkText != NULL)
{
delete [] m_lpLinkText;
}
if (lpText != NULL)
{
size_t len = _tcslen(lpText)+1;
m_lpLinkText = new TCHAR[len];
_tcsncpy(m_lpLinkText,lpText,len);
}
else
m_lpLinkText = NULL;
}
TCHAR* CHyperLink::GetLinkUrl()
{
if (m_lpLinkUrl == NULL)
return NULL;
size_t len = _tcslen(m_lpLinkUrl)+1;
TCHAR* lpRet = new TCHAR[len];
_tcsncpy(lpRet,m_lpLinkUrl,len);
return lpRet;
}
void CHyperLink::SetLinkUrl(TCHAR* lpUrl)
{
if (m_lpLinkUrl != NULL)
{
delete [] m_lpLinkUrl;
}
if (lpUrl != NULL)
{
size_t len = _tcslen(lpUrl)+1;
m_lpLinkUrl = new TCHAR[len];
_tcsncpy(m_lpLinkUrl,lpUrl,len);
}
else
m_lpLinkUrl = NULL;
m_pToolTip->UpdateTipText(m_lpLinkUrl,this);
}
void CHyperLink::LockInPosition( BOOL bLockInPosition /*= FALSE*/ )
{
if (m_bLockInPosition != bLockInPosition)
{
m_bLockInPosition = bLockInPosition;
}
}
void CHyperLink::SetMultiline( BOOL bMultiline )
{
if (m_bMultiline != bMultiline)
{
m_bMultiline = bMultiline;
}
}
void CHyperLink::IsLink( BOOL bIsLink /*= TRUE*/ )
{
if (m_bIsLink != bIsLink)
{
m_bIsLink = bIsLink;
}
}
void CHyperLink::UnderlineAlways( BOOL bUnderlineAlways /*= FALSE*/ )
{
if (m_bUnderlineAlways != bUnderlineAlways)
{
m_bUnderlineAlways = bUnderlineAlways;
}
}
void CHyperLink::SetColors(COLORREF crLinkUp, COLORREF crLinkHover, COLORREF crLinkDown, COLORREF crBackGround /* = ::GetSysColor(COLOR_BTNFACE) */)
{
m_crLinkUp = crLinkUp;
m_crLinkHover = crLinkHover;
m_crLinkDown = crLinkDown;
m_crBackGround = crBackGround;
}
void CHyperLink::SetBackgroundColor( COLORREF crBackGround /*= ::GetSysColor(COLOR_BTNFACE)*/ )
{
m_crBackGround = crBackGround;
}
void CHyperLink::SetBorderColor( COLORREF crBorder /*= RGB(0,0,0)*/ )
{
m_crBorder = crBorder;
}
void CHyperLink::SetBorderSize( int nSize )
{
m_nBorderSize = nSize;
}
void CHyperLink::SetBorderStyle( int nStyle )
{
m_nBorderStyle = nStyle;
}
void CHyperLink::SetIcons(HICON hIconUp, HICON hIconHover, HICON hIconDown, UINT uShowIcons, HICON hIconDisabled /*= NULL*/)
{
if (m_hIconUp == NULL || hIconUp != NULL)
{
if (m_hIconUp != NULL)
{
DestroyIcon(m_hIconUp);
}
m_hIconUp = hIconUp;
}
if (m_hIconHover == NULL || hIconHover != NULL)
{
if (m_hIconHover != NULL)
{
DestroyIcon(m_hIconHover);
}
m_hIconHover = hIconHover;
}
if (m_hIconDown == NULL || hIconDown != NULL)
{
if (m_hIconDown != NULL)
{
DestroyIcon(m_hIconDown);
}
m_hIconDown = hIconDown;
}
if (m_hIconDisabled == NULL || hIconDisabled != NULL)
{
if (m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
}
m_hIconDisabled = hIconDisabled;
if (m_hIconDisabled != NULL)
{
m_bAutoGenerated = FALSE;
}
}
m_uShowIcon = uShowIcons;
}
void CHyperLink::SetIconUp( int nIconUp, int dx /*= 0*/, int dy /*= 0*/ )
{
if (m_hIconUp != NULL)
{
DestroyIcon(m_hIconUp);
}
m_hIconUp = (HICON)::LoadImage(
AfxFindResourceHandle(MAKEINTRESOURCE(nIconUp), RT_GROUP_ICON),
MAKEINTRESOURCE(nIconUp), IMAGE_ICON, dx, dy, 0);
if (m_bAutoGenerateDisabled && m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
m_hIconDisabled = NULL;
m_bAutoGenerated = FALSE;
}
}
void CHyperLink::SetIconHover( int nIconHover, int dx /*= 0*/, int dy /*= 0*/ )
{
if (m_hIconHover != NULL)
{
DestroyIcon(m_hIconHover);
}
m_hIconHover = (HICON)::LoadImage(
AfxFindResourceHandle(MAKEINTRESOURCE(nIconHover), RT_GROUP_ICON),
MAKEINTRESOURCE(nIconHover), IMAGE_ICON, dx, dy, 0);
if (m_bAutoGenerateDisabled && m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
m_hIconDisabled = NULL;
m_bAutoGenerated = FALSE;
}
}
void CHyperLink::SetIconDown( int nIconDown, int dx /*= 0*/, int dy /*= 0*/ )
{
if (m_hIconDown != NULL)
{
DestroyIcon(m_hIconDown);
}
m_hIconDown = (HICON)::LoadImage(
AfxFindResourceHandle(MAKEINTRESOURCE(nIconDown), RT_GROUP_ICON),
MAKEINTRESOURCE(nIconDown), IMAGE_ICON, dx, dy, 0);
if (m_bAutoGenerateDisabled && m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
m_hIconDisabled = NULL;
m_bAutoGenerated = FALSE;
}
}
void CHyperLink::SetIconDisabled( int nIconDisabled, int dx /*= 0*/, int dy /*= 0*/ )
{
if (m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
}
m_hIconDisabled = (HICON)::LoadImage(
AfxFindResourceHandle(MAKEINTRESOURCE(nIconDisabled), RT_GROUP_ICON),
MAKEINTRESOURCE(nIconDisabled), IMAGE_ICON, dx, dy, 0);
}
void CHyperLink::SetShowIcons( UINT uShowIcons )
{
m_uShowIcon = uShowIcons;
}
void CHyperLink::SetAutoGenerateDisabled( BOOL bAutoGenerate )
{
if (m_bAutoGenerateDisabled != bAutoGenerate)
{
if (m_hIconDisabled != NULL)
{
DestroyIcon(m_hIconDisabled);
}
m_bAutoGenerateDisabled = bAutoGenerate;
if (!m_bAutoGenerateDisabled && m_bAutoGenerated)
{
m_hIconDisabled = NULL;
m_bAutoGenerated = FALSE;
}
}
}
BOOL CHyperLink::SetFont(TCHAR* lpFaceName /* = "Tahoma" */, int nSize /* = 14 */, int nWeight /* = FW_NORMAL */, BOOL bItalic /* = FALSE */)
{
m_hFont.DeleteObject();
/*BOOL ret = m_hFont.CreateFont(nSize,0,0,0,nWeight,(BYTE)bItalic,0,0,
ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,
ANTIALIASED_QUALITY,DEFAULT_PITCH | FF_DONTCARE,lpFaceName);*/
BOOL ret = m_hFont.CreateFont(nSize, 0, 0, 0, nWeight, (BYTE)bItalic, 0, 0, 0, 0, 0, 0, 0, lpFaceName);
if (ret)
{
if (::IsWindow(m_hWnd))
{
CWnd::SetFont(&m_hFont);
}
}
return ret;
}
BOOL CHyperLink::SetFont( LPLOGFONT lpFont )
{
m_hFont.DeleteObject();
BOOL ret = m_hFont.CreateFontIndirect(lpFont);
if (ret)
{
if (::IsWindow(m_hWnd))
{
CWnd::SetFont(&m_hFont);
}
}
return ret;
}
void CHyperLink::Disable( BOOL bDisable /*= FALSE*/ )
{
if (::IsWindow(this->GetSafeHwnd()))
{
EnableWindow(!bDisable);
}
}
CToolTipCtrl* CHyperLink::GetTooltip()
{
return m_pToolTip;
}
void CHyperLink::SetTooltip( CToolTipCtrl* pToolTip )
{
if (pToolTip != NULL)
{
m_pToolTip = pToolTip;
}
else
{
m_pToolTip = &m_ToolTip;
}
CToolInfo toolInfo;
toolInfo.cbSize = sizeof(CToolInfo);
toolInfo.szText[0] = (TCHAR)0;
if (GetSafeHwnd() != NULL)
{
if (!m_pToolTip->GetToolInfo(toolInfo, this) ||
(toolInfo.hwnd == NULL || ((toolInfo.uFlags & TTF_IDISHWND) == TTF_IDISHWND && toolInfo.uId == NULL)))
{
if (!::IsWindow(m_pToolTip->GetSafeHwnd()))
{
m_pToolTip->Create(this);
}
m_pToolTip->AddTool(this);
m_pToolTip->UpdateTipText(m_lpLinkUrl,this);
}
}
}
// CHyperLink message handlers
void CHyperLink::OnPaint()
{
if (m_bMovingWindow)
{
return;
}
CBufferDC dc(this); // device context for painting
dc.SaveDC();
dc.SetMapMode(MM_TEXT);
dc.SetBkMode(TRANSPARENT);
dc.SelectObject(m_hFont);
dc.SetBkColor(m_crBackGround);
CRect rc;
GetClientRect(&rc);
CBrush cb;
cb.CreateSolidBrush(m_crBackGround);
dc.SelectObject(&cb);
CBrush cb2;
cb2.CreateSysColorBrush(m_crBackGround);
dc.FillRect(&rc,&cb2);
cb2.DeleteObject();
CPen p;
BOOL bWndTxt = FALSE;
if (m_lpLinkText == NULL)
{
bWndTxt = TRUE;
int nlen = GetWindowTextLength();
m_lpLinkText = new TCHAR[nlen+1];
m_lpLinkText[nlen] = (TCHAR)0;
GetWindowText(m_lpLinkText,nlen+1);
}
GetWindowRect(rc);
GetParent()->ScreenToClient(&rc);
SIZE iconSz = GetFirstIcon();
SIZE iconSpace = { 0 };
iconSpace.cx = iconSz.cx;
iconSpace.cy = iconSz.cy;
if (m_bMouseIn)
{
int i = 0;
i++;
}
if (m_bLockInPosition)
{
iconSpace = GetBiggestIcon();
}
CSize sz = dc.GetTextExtent(m_lpLinkText,(int)_tcslen(m_lpLinkText));
int x = rc.left;
int y = sz.cy + 2;
int* nlOff = NULL;
int* nlXl = NULL;
int nlXlM = sz.cx;
int nlc = 0;
size_t len = _tcslen(m_lpLinkText);
if (m_bMultiline)
{
while (len > 0 && m_lpLinkText[len-1] == _T('\n'))
{
len--;
}
if (len > 0)
{
while (len--)
{
if (m_lpLinkText[len] == _T('\n'))
{
nlc++;
}
}
}
if (nlc > 0)
{
nlc++;
len = _tcslen(m_lpLinkText);
nlOff = new int[nlc];
nlXl = new int[nlc];
nlXlM = 0;
int nlc2 = nlc;
while (len > 0 && m_lpLinkText[len-1] == _T('\n'))
{
len--;
}
if (len > 0)
{
size_t len2 = len;
nlOff[--nlc2] = (int)len;
while (len--)
{
if (m_lpLinkText[len] == _T('\n'))
{
nlXl[nlc2] = dc.GetTextExtent(&m_lpLinkText[len+1],(int)(len2 - len - 1)).cx;
nlXlM = nlXl[nlc2] > nlXlM ? nlXl[nlc2] : nlXlM;
len2 = len;
y += sz.cy + 2;
nlOff[--nlc2] = (int)len;
}
}
if (len == -1)
{
nlXl[0] = dc.GetTextExtent(m_lpLinkText,(int)(len2)).cx;
nlXlM = nlXl[0] > nlXlM ? nlXl[0] : nlXlM;
len2 = len;
}
}
}
}
if (nlc == 0 && len > 0)
{
len = _tcslen(m_lpLinkText);
while (len > 0 && m_lpLinkText[len-1] == _T('\n'))
{
len--;
}
if (len > 0)
{
if (nlOff != NULL)
{
delete [] nlOff;
}
nlc = 1;
nlOff = new int[nlc];
nlXl = new int[nlc];
nlOff[0] = (int)len;
nlXl[0] = nlXlM;
}
}
y += nlc;
if (y < iconSpace.cy + 2)
{
y = iconSpace.cy + 2;
}
y += (m_nBorderSize * 2);
y = rc.Height() - y;
rc.bottom = rc.bottom - (y);
x += (1 + nlXlM + (m_nBorderSize * 2) + 2);
if ((!m_bDisabled &&
((m_uShowIcon & SI_ICONUP_LEFT && !m_bMouseIn) ||
(m_uShowIcon & SI_ICONHOVER_LEFT && m_bMouseIn && !m_bMouseDown) ||
(m_uShowIcon & SI_ICONDOWN_LEFT && m_bMouseDown && m_bMouseIn))
) ||
(m_uShowIcon & SI_ICONDISABLED_LEFT && m_bDisabled) ||
m_bLockInPosition)
{
x = x + iconSpace.cx + 3;
}
if ((!m_bDisabled &&
((m_uShowIcon & SI_ICONUP_RIGHT && !m_bMouseIn) ||
(m_uShowIcon & SI_ICONHOVER_RIGHT && m_bMouseIn && !m_bMouseDown) ||
(m_uShowIcon & SI_ICONDOWN_RIGHT && m_bMouseDown && m_bMouseIn))
) ||
(m_uShowIcon & SI_ICONDISABLED_RIGHT && m_bDisabled) ||
m_bLockInPosition)
{
x = x + 2 + iconSpace.cx + 1;
}
rc.right = x;
m_bMovingWindow = TRUE;
MoveWindow(rc.left,rc.top,rc.Width(),rc.Height(),FALSE);
m_bMovingWindow = FALSE;
GetClientRect(rc);
dc.SetBoundsRect(&rc, DCB_DISABLE);
dc.FillRect(&rc,&cb);
//draw border
if (m_nBorderSize > 0)
{
CRect brect = rc;
CPen pen, *oldPen;
if (!m_bDisabled)
{
pen.CreatePen(m_nBorderStyle, m_nBorderSize, m_crBorder);
}
else
{
pen.CreatePen(m_nBorderStyle, m_nBorderSize, ::GetSysColor(COLOR_BTNSHADOW));
}
oldPen = dc.SelectObject(&pen);
int bspacer = (m_nBorderSize - (m_nBorderSize % 2)) / 2;
brect.DeflateRect(bspacer, bspacer);
if (m_nBorderSize % 2 == 0)
{
brect.right++;
brect.bottom++;
}
dc.Rectangle(&brect);
dc.SelectObject(oldPen);
}
int yTxt = ((sz.cy * nlc) + (nlc * 3) - (nlc - 1));
y = rc.Height() - iconSz.cy;
y = (y - (y % 2)) / 2;
x = 1 + m_nBorderSize;
if (m_bLockInPosition)
{
x += ((iconSpace.cx - iconSz.cx) / 2);
}
if (m_bDisabled)
{
if (m_hIconDisabled != NULL)
{
if ((m_uShowIcon & SI_ICONDISABLED_ON && m_uShowIcon & SI_ICONDISABLED_LEFT))
{
DrawIconEx(dc.m_hDC,x,y,m_hIconDisabled,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
x = iconSpace.cx + 4 + m_nBorderSize;
if (m_bLockInPosition)
{
x += ((iconSpace.cx - iconSz.cx) / 2);
}
}
else if (m_bLockInPosition)
{
x = iconSpace.cx + 4 + m_nBorderSize;
x += ((iconSpace.cx - iconSz.cx) / 2);
}
if ((m_uShowIcon & SI_ICONDISABLED_ON && m_uShowIcon & SI_ICONDISABLED_RIGHT))
{
DrawIconEx(dc.m_hDC,x + nlXlM + 3,y,m_hIconDisabled,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
}
}
dc.SetTextColor(::GetSysColor(COLOR_BTNSHADOW));
}
else if (!m_bDisabled && m_bMouseIn && !m_bMouseDown)
{
if ((m_uShowIcon & SI_ICONHOVER_ON && m_uShowIcon & SI_ICONHOVER_LEFT) && m_hIconHover != NULL)
{
DrawIconEx(dc.m_hDC,x,y,m_hIconHover,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
x = iconSpace.cx + 4 + m_nBorderSize;
if (m_bLockInPosition)
{
x += ((iconSpace.cx - iconSz.cx) / 2);
}
}
else if (m_bLockInPosition)
{
x = iconSpace.cx + 4 + m_nBorderSize;
x += ((iconSpace.cx - iconSz.cx) / 2);
}
if ((m_uShowIcon & SI_ICONHOVER_ON && m_uShowIcon & SI_ICONHOVER_RIGHT) && m_hIconHover != NULL)
{
DrawIconEx(dc.m_hDC,x + nlXlM + 3,y,m_hIconHover,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
}
p.CreatePen(PS_SOLID,1,m_crLinkHover);
dc.SetTextColor(m_crLinkHover);
}
else if (!m_bDisabled && m_bMouseIn && m_bMouseDown)
{
p.CreatePen(PS_SOLID,1,m_crLinkDown);
if ((m_uShowIcon & SI_ICONDOWN_ON && m_uShowIcon & SI_ICONDOWN_LEFT) && m_hIconDown != NULL)
{
DrawIconEx(dc.m_hDC,x,y,m_hIconDown,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
x = iconSpace.cx + 4 + m_nBorderSize;
if (m_bLockInPosition)
{
x += ((iconSpace.cx - iconSz.cx) / 2);
}
}
else if (m_bLockInPosition)
{
x = iconSpace.cx + 4 + m_nBorderSize;
x += ((iconSpace.cx - iconSz.cx) / 2);
}
if ((m_uShowIcon & SI_ICONDOWN_ON && m_uShowIcon & SI_ICONDOWN_RIGHT) && m_hIconDown != NULL)
{
DrawIconEx(dc.m_hDC,x + nlXlM + 3,y,m_hIconDown,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
}
dc.SetTextColor(m_crLinkDown);
}
else if (!m_bDisabled && !m_bMouseIn)
{
if (m_bUnderlineAlways)
p.CreatePen(PS_SOLID,1,m_crLinkUp);
else
p.CreatePen(PS_SOLID,1,m_crBackGround);
if ((m_uShowIcon & SI_ICONUP_ON && m_uShowIcon & SI_ICONUP_LEFT) && m_hIconUp != NULL)
{
DrawIconEx(dc.m_hDC,x,y,m_hIconUp,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
x = iconSpace.cx + 4 + m_nBorderSize;
if (m_bLockInPosition)
{
x += ((iconSpace.cx - iconSz.cx) / 2);
}
}
else if (m_bLockInPosition)
{
x = iconSpace.cx + 4 + m_nBorderSize;
x += ((iconSpace.cx - iconSz.cx) / 2);
}
if ((m_uShowIcon & SI_ICONUP_ON && m_uShowIcon & SI_ICONUP_RIGHT) && m_hIconUp != NULL)
{
DrawIconEx(dc.m_hDC,x + nlXlM + 3,y,m_hIconUp,iconSz.cx,iconSz.cy,0,NULL,DI_IMAGE | DI_MASK);
}
dc.SetTextColor(m_crLinkUp);
}
if (m_bLockInPosition)
{
x = iconSpace.cx + 4 + m_nBorderSize;
}
y = rc.Height() - ((sz.cy * nlc) + (nlc * 3) - (nlc - 1));
if (y < 0)
{
y = 0;
}
y = (y - (y % 2)) / 2;
if (nlc > 0)
{
dc.TextOut(x,y,m_lpLinkText,(int)nlOff[0]);
dc.MoveTo(x,y+sz.cy);
dc.SelectObject(&p);
dc.LineTo(x+nlXl[0],y+sz.cy);
for (int i = 1; i < nlc; i++)
{
y += sz.cy + 2;
dc.TextOut(x,y,&m_lpLinkText[nlOff[i-1]+1],(int)(nlOff[i] - nlOff[i-1] - 1));
dc.MoveTo(x,y+sz.cy);
dc.SelectObject(&p);
dc.LineTo(x+nlXl[i],y+sz.cy);
}
}
if (bWndTxt)
{
delete [] m_lpLinkText;
m_lpLinkText = NULL;
}
if (nlOff != NULL)
{
delete [] nlOff;
}
if (nlXl != NULL)
{
delete [] nlXl;
}
dc.RestoreDC(-1);
}
SIZE CHyperLink::GetBiggestIcon()
{
HICON hIco = NULL;
ICONINFO icInfo = { 0 };
SIZE iconSz = { 0 };
SIZE tempSz = { 0 };
hIco = m_hIconUp;
if (hIco != NULL)
{
GetIconInfo(hIco, &icInfo);
iconSz.cx = icInfo.xHotspot * 2;
iconSz.cy = icInfo.yHotspot * 2;
}
hIco = m_hIconHover;
if (hIco != NULL)
{
GetIconInfo(hIco, &icInfo);
tempSz.cx = icInfo.xHotspot * 2;
tempSz.cy = icInfo.yHotspot * 2;
if (tempSz.cx > iconSz.cx)
{
iconSz.cx = tempSz.cx;
iconSz.cy = tempSz.cy;
}
}
hIco = m_hIconDown;
if (hIco != NULL)
{
GetIconInfo(hIco, &icInfo);
tempSz.cx = icInfo.xHotspot * 2;
tempSz.cy = icInfo.yHotspot * 2;
if (tempSz.cx > iconSz.cx)
{
iconSz.cx = tempSz.cx;
iconSz.cy = tempSz.cy;
}
}
hIco = m_hIconDisabled;
if (hIco != NULL)
{
GetIconInfo(hIco, &icInfo);
tempSz.cx = icInfo.xHotspot * 2;
tempSz.cy = icInfo.yHotspot * 2;
if (tempSz.cx > iconSz.cx)
{
iconSz.cx = tempSz.cx;
iconSz.cy = tempSz.cy;
}
}
return iconSz;
}
SIZE CHyperLink::GetFirstIcon()
{
HICON hIco = NULL;
ICONINFO icInfo = { 0 };
SIZE iconSz = { 0 };
if ((!m_bDisabled &&
((m_uShowIcon & SI_ICONUP_LEFT && !m_bMouseIn) ||
(m_uShowIcon & SI_ICONHOVER_LEFT && m_bMouseIn && !m_bMouseDown) ||
(m_uShowIcon & SI_ICONDOWN_LEFT && m_bMouseDown && m_bMouseIn) ||
(m_uShowIcon & SI_ICONUP_RIGHT && !m_bMouseIn) ||
(m_uShowIcon & SI_ICONHOVER_RIGHT && m_bMouseIn && !m_bMouseDown) ||
(m_uShowIcon & SI_ICONDOWN_RIGHT && m_bMouseDown && m_bMouseIn))
) ||
(m_uShowIcon & SI_ICONDISABLED_LEFT && m_bDisabled) ||
(m_uShowIcon & SI_ICONDISABLED_RIGHT && m_bDisabled))
{
if (m_bDisabled)
{
if (m_hIconDisabled == NULL && m_bAutoGenerateDisabled)
{
HICON hico = m_hIconUp;
if (hico == NULL)
{
hico = m_hIconHover;
}
if (hico == NULL)
{
hico = m_hIconDown;
}
if (hico != NULL)
{
m_hIconDisabled = CreateGrayscaleIcon(hico);
m_bAutoGenerated = TRUE;
}
}
hIco = m_hIconDisabled;
}