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no changes, just some minor cleanup

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59367 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-03-06 10:56:21 +00:00
parent d90ef8e4c2
commit 8c4209f7b3
1 changed files with 80 additions and 80 deletions
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160
src/msw/tooltip.cpp
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@@ -325,98 +325,98 @@ void wxToolTip::Add(WXHWND hWnd)
// NMTTDISPINFO struct -- and setting the tooltip here we can have tooltips
// of any length
ti.hwnd = hwnd;
ti.lpszText = (wxChar *)m_text.wx_str(); // const_cast
ti.lpszText = const_cast<wxChar *>(m_text.wx_str());
if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) )
{
wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
}
else
{
#ifdef TTM_SETMAXTIPWIDTH
if ( wxApp::GetComCtl32Version() >= 470 )
{
// use TTM_SETMAXTIPWIDTH to make tooltip multiline using the
// extent of its first line as max value
HFONT hfont = (HFONT)
SendTooltipMessage(GetToolTipCtrl(), WM_GETFONT, 0);
return;
}
#ifdef TTM_SETMAXTIPWIDTH
if ( wxApp::GetComCtl32Version() >= 470 )
{
// use TTM_SETMAXTIPWIDTH to make tooltip multiline using the
// extent of its first line as max value
HFONT hfont = (HFONT)
SendTooltipMessage(GetToolTipCtrl(), WM_GETFONT, 0);
if ( !hfont )
{
hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
if ( !hfont )
{
hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
if ( !hfont )
{
wxLogLastError(wxT("GetStockObject(DEFAULT_GUI_FONT)"));
}
}
MemoryHDC hdc;
if ( !hdc )
{
wxLogLastError(wxT("CreateCompatibleDC(NULL)"));
}
if ( !SelectObject(hdc, hfont) )
{
wxLogLastError(wxT("SelectObject(hfont)"));
}
// find the width of the widest line
int maxWidth = 0;
wxStringTokenizer tokenizer(m_text, _T("\n"));
while ( tokenizer.HasMoreTokens() )
{
const wxString token = tokenizer.GetNextToken();
SIZE sz;
if ( !::GetTextExtentPoint32(hdc, token.wx_str(),
token.length(), &sz) )
{
wxLogLastError(wxT("GetTextExtentPoint32"));
}
if ( sz.cx > maxWidth )
maxWidth = sz.cx;
}
// limit size to ms_maxWidth, if set
if ( ms_maxWidth == 0 )
{
// this is more or less arbitrary but seems to work well
static const int DEFAULT_MAX_WIDTH = 400;
ms_maxWidth = wxGetClientDisplayRect().width / 2;
if ( ms_maxWidth > DEFAULT_MAX_WIDTH )
ms_maxWidth = DEFAULT_MAX_WIDTH;
}
if ( ms_maxWidth != -1 && maxWidth > ms_maxWidth )
maxWidth = ms_maxWidth;
// only set a new width if it is bigger than the current setting:
// otherwise adding a tooltip with shorter line(s) than a previous
// one would result in breaking the longer lines unnecessarily as
// all our tooltips share the same maximal width
if ( maxWidth > SendTooltipMessage(GetToolTipCtrl(),
TTM_GETMAXTIPWIDTH, 0) )
{
SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
wxUIntToPtr(maxWidth));
wxLogLastError(wxT("GetStockObject(DEFAULT_GUI_FONT)"));
}
}
else
#endif // TTM_SETMAXTIPWIDTH
{
// replace the '\n's with spaces because otherwise they appear as
// unprintable characters in the tooltip string
m_text.Replace(_T("\n"), _T(" "));
ti.lpszText = (wxChar *)m_text.wx_str(); // const_cast
if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) )
MemoryHDC hdc;
if ( !hdc )
{
wxLogLastError(wxT("CreateCompatibleDC(NULL)"));
}
if ( !SelectObject(hdc, hfont) )
{
wxLogLastError(wxT("SelectObject(hfont)"));
}
// find the width of the widest line
int maxWidth = 0;
wxStringTokenizer tokenizer(m_text, _T("\n"));
while ( tokenizer.HasMoreTokens() )
{
const wxString token = tokenizer.GetNextToken();
SIZE sz;
if ( !::GetTextExtentPoint32(hdc, token.wx_str(),
token.length(), &sz) )
{
wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
wxLogLastError(wxT("GetTextExtentPoint32"));
}
if ( sz.cx > maxWidth )
maxWidth = sz.cx;
}
// limit size to ms_maxWidth, if set
if ( ms_maxWidth == 0 )
{
// this is more or less arbitrary but seems to work well
static const int DEFAULT_MAX_WIDTH = 400;
ms_maxWidth = wxGetClientDisplayRect().width / 2;
if ( ms_maxWidth > DEFAULT_MAX_WIDTH )
ms_maxWidth = DEFAULT_MAX_WIDTH;
}
if ( ms_maxWidth != -1 && maxWidth > ms_maxWidth )
maxWidth = ms_maxWidth;
// only set a new width if it is bigger than the current setting:
// otherwise adding a tooltip with shorter line(s) than a previous
// one would result in breaking the longer lines unnecessarily as
// all our tooltips share the same maximal width
if ( maxWidth > SendTooltipMessage(GetToolTipCtrl(),
TTM_GETMAXTIPWIDTH, 0) )
{
SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
wxUIntToPtr(maxWidth));
}
}
else
#endif // TTM_SETMAXTIPWIDTH
{
// replace the '\n's with spaces because otherwise they appear as
// unprintable characters in the tooltip string
m_text.Replace(_T("\n"), _T(" "));
ti.lpszText = const_cast<wxChar *>(m_text.wx_str());
if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) )
{
wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
}
}
}