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added more convenient wxDL_INIT_FUNC[_AW] macros and use them instead of verbose wxDynamicLibrary::GetSymbol() calls

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48891 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-09-21 18:43:51 +00:00
parent 22c1dcbb59
commit d0edb9da60
3 changed files with 31 additions and 29 deletions
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39
src/msw/display.cpp
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@@ -517,19 +517,9 @@ wxDisplayFactoryWin32Base::wxDisplayFactoryWin32Base()
wxLogNull noLog;
gs_MonitorFromPoint = (MonitorFromPoint_t)
dllUser32.GetSymbol(wxT("MonitorFromPoint"));
if ( !gs_MonitorFromPoint )
return;
gs_MonitorFromWindow = (MonitorFromWindow_t)
dllUser32.GetSymbol(wxT("MonitorFromWindow"));
if ( !gs_MonitorFromWindow )
return;
gs_GetMonitorInfo = (GetMonitorInfo_t)
dllUser32.GetSymbolAorW(wxT("GetMonitorInfo"));
if ( !gs_GetMonitorInfo )
if ( (wxDL_INIT_FUNC(gs_, MonitorFromPoint, dllUser32)) == NULL ||
(wxDL_INIT_FUNC(gs_, MonitorFromWindow, dllUser32)) == NULL ||
(wxDL_INIT_FUNC_AW(gs_, GetMonitorInfo, dllUser32)) == NULL )
return;
ms_supportsMultimon = 1;
@@ -601,9 +591,7 @@ wxDisplayFactoryMultimon::wxDisplayFactoryMultimon()
wxLogNull noLog;
wxDynamicLibrary dllUser32(_T("user32.dll"));
pfnEnumDisplayMonitors = (EnumDisplayMonitors_t)
dllUser32.GetSymbol(wxT("EnumDisplayMonitors"));
if ( !pfnEnumDisplayMonitors )
if ( (wxDL_INIT_FUNC(pfn, EnumDisplayMonitors, dllUser32)) == NULL )
return;
}
@@ -750,8 +738,7 @@ bool wxDisplayImplMultimon::ChangeMode(const wxVideoMode& mode)
wxDynamicLibrary dllUser32(_T("user32.dll"));
if ( dllUser32.IsLoaded() )
{
pfnChangeDisplaySettingsEx = (ChangeDisplaySettingsEx_t)
dllUser32.GetSymbolAorW(_T("ChangeDisplaySettingsEx"));
wxDL_INIT_FUNC_AW(pfn, ChangeDisplaySettingsEx, dllUser32);
}
//else: huh, no user32.dll??
@@ -829,21 +816,19 @@ wxDisplayFactoryDirectDraw::wxDisplayFactoryDirectDraw()
if ( !m_dllDDraw.IsLoaded() )
return;
DirectDrawEnumerateEx_t pDDEnumEx = (DirectDrawEnumerateEx_t)
m_dllDDraw.GetSymbolAorW(_T("DirectDrawEnumerateEx"));
if ( !pDDEnumEx )
DirectDrawEnumerateEx_t
wxDL_INIT_FUNC_AW(pfn, DirectDrawEnumerateEx, m_dllDDraw);
if ( !pfnDirectDrawEnumerateEx )
return;
// we can't continue without DirectDrawCreate() later, so resolve it right
// now and fail the initialization if it's not available
m_pfnDirectDrawCreate = (DirectDrawCreate_t)
m_dllDDraw.GetSymbol(_T("DirectDrawCreate"));
if ( !m_pfnDirectDrawCreate )
if ( !wxDL_INIT_FUNC(m_pfn, DirectDrawCreate, m_dllDDraw) )
return;
if ( (*pDDEnumEx)(DDEnumExCallback,
this,
DDENUM_ATTACHEDSECONDARYDEVICES) != DD_OK )
if ( (*pfnDirectDrawEnumerateEx)(DDEnumExCallback,
this,
DDENUM_ATTACHEDSECONDARYDEVICES) != DD_OK )
{
wxLogLastError(_T("DirectDrawEnumerateEx"));
}