// see http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/110282
struct ClassRegInfo
{
- // the base name of the class: this is used to construct the unique name in
- // wxApp::GetRegisteredClassName()
- wxString basename;
+ ClassRegInfo(const wxChar *name)
+ : regname(name),
+ regnameNR(regname + wxApp::GetNoRedrawClassSuffix())
+ {
+ }
// the name of the registered class with and without CS_[HV]REDRAW styles
- wxString regname,
- regnameNR;
+ wxString regname;
+ wxString regnameNR;
};
namespace
focus/activation entirely when the child process terminates which would
happen if we simply disabled everything using wxWindowDisabler. Indeed,
remember that Windows will never activate a disabled window and when the
- last childs window is closed and Windows looks for a window to activate
+ last child's window is closed and Windows looks for a window to activate
all our windows are still disabled. There is no way to enable them in
- time because we don't know when the childs windows are going to be
- closed, so the solution we use here is to keep one special tiny frame
+ time because we don't know when the child's windows are going to be
+ closed, so the solution we use here is to keep one special tiny dialog
enabled all the time. Then when the child terminates it will get
- activated and when we close it below -- after reenabling all the other
+ activated and when we close it below -- after re-enabling all the other
windows! -- the previously active window becomes activated again and
everything is ok.
*/
// first disable all existing windows
wxWindowDisabler *wd = new wxWindowDisabler;
- // then create an "invisible" frame: it has minimal size, is positioned
- // (hopefully) outside the screen and doesn't appear on the taskbar
- wxWindow *winActive = new wxFrame
+ // then create an "invisible" dialog: it has minimal size, is positioned
+ // (hopefully) outside the screen and doesn't appear in the Alt-TAB list
+ // (unlike the frames, which is why we use a dialog here)
+ wxWindow *winActive = new wxDialog
(
wxTheApp->GetTopWindow(),
wxID_ANY,
wxEmptyString,
wxPoint(32600, 32600),
- wxSize(1, 1),
- wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR
+ wxSize(1, 1)
);
winActive->Show();
delete data->wd;
- // finally delete the dummy frame and, as wd has been already destroyed and
- // the other windows reenabled, the activation is going to return to the
- // window which had had it before
+ // finally delete the dummy dialog and, as wd has been already destroyed
+ // and the other windows reenabled, the activation is going to return to
+ // the window which had had it before
data->winActive->Destroy();
// also delete the temporary data object itself
delete data;
}
+#if wxUSE_THREADS
bool wxGUIAppTraits::DoMessageFromThreadWait()
{
// we should return false only if the app should exit, i.e. only if
return evtLoop->Dispatch();
}
-DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread)
+DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread, int flags)
{
- // if we don't have a running event loop, we shouldn't wait for the
- // messages as we never remove them from the message queue and so we enter
- // an infinite loop as MsgWaitForMultipleObjects() keeps returning
- // WAIT_OBJECT_0 + 1
- if ( !wxEventLoop::GetActive() )
+ // We only ever dispatch messages from the main thread and, additionally,
+ // even from the main thread we shouldn't wait for the message if we don't
+ // have a running event loop as we would never remove them from the message
+ // queue then and so we would enter an infinite loop as
+ // MsgWaitForMultipleObjects() keeps returning WAIT_OBJECT_0 + 1.
+ if ( flags == wxTHREAD_WAIT_BLOCK ||
+ !wxIsMainThread() ||
+ !wxEventLoop::GetActive() )
+ {
+ // Simple blocking wait.
return DoSimpleWaitForThread(hThread);
+ }
return ::MsgWaitForMultipleObjects
(
QS_ALLPOSTMESSAGE
);
}
+#endif // wxUSE_THREADS
wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
{
#ifndef __WXWINCE__
+#if wxUSE_DYNLIB_CLASS
+
#include <wx/dynlib.h>
namespace
return false;
}
- if ( !::WriteConsole(m_hStderr, text.wx_str(), text.length(), &ret, NULL) )
+ if ( !::WriteConsole(m_hStderr, text.t_str(), text.length(), &ret, NULL) )
{
wxLogLastError(wxT("WriteConsole"));
return false;
return s_consoleStderr.IsOkToUse() && s_consoleStderr.Write(text);
}
+#else // !wxUSE_DYNLIB_CLASS
+
+bool wxGUIAppTraits::CanUseStderr()
+{
+ return false;
+}
+
+bool wxGUIAppTraits::WriteToStderr(const wxString& WXUNUSED(text))
+{
+ return false;
+}
+
+#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
+
#endif // !__WXWINCE__
// ===========================================================================
const size_t count = gs_regClassesInfo.size();
for ( size_t n = 0; n < count; n++ )
{
- if ( gs_regClassesInfo[n].basename == name )
+ if ( gs_regClassesInfo[n].regname == name )
return gs_regClassesInfo[n].regname.c_str();
}
wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | extraStyles;
- ClassRegInfo regClass;
- regClass.basename = name;
-
- // constuct a unique suffix to allow registering the class with the same
- // base name in a main application using wxWidgets and a DLL using
- // wxWidgets loaded into its address space: as gs_regClassesInfo variable
- // is different in them, we're going to obtain a unique prefix by using its
- // address here
- regClass.regname = regClass.basename +
- wxString::Format(wxT("@%p"), &gs_regClassesInfo);
- wndclass.lpszClassName = regClass.regname.wx_str();
+ ClassRegInfo regClass(name);
+ wndclass.lpszClassName = regClass.regname.t_str();
if ( !::RegisterClass(&wndclass) )
{
wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"),
return NULL;
}
- // NB: remember that code elsewhere supposes that no redraw class names
- // use the same names as normal classes with "NR" suffix so we must put
- // "NR" at the end instead of using more natural basename+"NR"+suffix
- regClass.regnameNR = regClass.regname + GetNoRedrawClassSuffix();
wndclass.style &= ~(CS_HREDRAW | CS_VREDRAW);
- wndclass.lpszClassName = regClass.regnameNR.wx_str();
+ wndclass.lpszClassName = regClass.regnameNR.t_str();
if ( !::RegisterClass(&wndclass) )
{
wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"),
// function returns (it could be invalidated later if new elements are
// added to the vector and it's reallocated but this shouldn't matter as
// this pointer should be used right now, not stored)
- return gs_regClassesInfo.back().regname.wx_str();
+ return gs_regClassesInfo.back().regname.t_str();
}
bool wxApp::IsRegisteredClassName(const wxString& name)
projects / wxWidgets.git / blobdiff