mirror of
https://github.com/etlegacy/Update-Installer.git
synced 2025-02-02 20:31:22 +00:00
d16da069e9
This is a thin wrapper around the Win32 API used in the Win32 Updater Dialog implementation.
116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
/////////////////////////////
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// Hyperlink.cpp
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#include "Hyperlink.h"
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CHyperlink::CHyperlink() : m_bUrlVisited(FALSE), m_bClicked(FALSE), m_crVisited(RGB(128, 0, 128)),
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m_crNotVisited(RGB(0,0,255)), m_hUrlFont(NULL)
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{
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// Create the cursor
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m_hCursor = ::LoadCursor(NULL, IDC_HAND);
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// IDC_HAND is not available on Win95, so load a reasonable alternative
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if( !m_hCursor )
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m_hCursor = ::LoadCursor(NULL, IDC_ARROW);
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}
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CHyperlink::~CHyperlink()
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{
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if (m_hUrlFont) ::DeleteObject(m_hUrlFont);
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}
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BOOL CHyperlink::AttachDlgItem(UINT nID, CWnd* pParent)
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{
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BOOL bSuccess = CWnd::AttachDlgItem(nID, pParent);;
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LOGFONT lf;
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m_hUrlFont = (HFONT)::SendMessage( m_hWnd, WM_GETFONT, 0L, 0L);
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::GetObject(m_hUrlFont, sizeof(LOGFONT), &lf);
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lf.lfUnderline = TRUE;
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m_hUrlFont = ::CreateFontIndirect(&lf);
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return bSuccess;
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}
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void CHyperlink::OnLButtonDown()
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{
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SetCapture();
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m_bClicked = TRUE;
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}
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void CHyperlink::OnLButtonUp(LPARAM lParam)
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{
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ReleaseCapture();
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if(m_bClicked)
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{
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m_bClicked = FALSE;
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POINT pt;
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RECT rc;
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pt.x = (short)LOWORD(lParam);
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pt.y = (short)HIWORD(lParam);
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::ClientToScreen(m_hWnd, &pt);
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::GetWindowRect(m_hWnd, &rc);
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if(PtInRect(&rc, pt))
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OpenUrl();
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}
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}
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void CHyperlink::OpenUrl()
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{
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SHELLEXECUTEINFO ExecInfo = {0};;
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ExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
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ExecInfo.lpVerb = TEXT("open");
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ExecInfo.lpFile = TEXT("iexplore.exe");
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ExecInfo.lpParameters = GetWindowText();
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if (ShellExecuteEx(&ExecInfo))
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{
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m_bUrlVisited = TRUE;
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// redraw the window to update the color
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Invalidate();
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}
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else
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TRACE(_T("ShellExecuteEx Failed"));
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}
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LRESULT CHyperlink::OnMessageReflect(UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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// Messages such as WM_CTLCOLORSTATIC are reflected back to the CWnd object that created them.
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if (uMsg == WM_CTLCOLORSTATIC)
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{
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HDC hDC = (HDC)wParam;
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::SetTextColor(hDC, m_bUrlVisited? m_crVisited : m_crNotVisited);
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::SetBkMode(hDC, TRANSPARENT);
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::SelectObject(hDC, m_hUrlFont);
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return (LRESULT)::GetSysColorBrush(COLOR_BTNFACE);
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}
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return 0L;
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}
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LRESULT CHyperlink::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg)
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{
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case WM_LBUTTONDOWN:
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OnLButtonDown();
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break;
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case WM_LBUTTONUP:
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OnLButtonUp(lParam);
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break;
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case WM_SETCURSOR:
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::SetCursor(m_hCursor);
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return 1L;
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}
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// Pass unhandled messages on for default processing
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return WndProcDefault( uMsg, wParam, lParam );
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}
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