-// ----------------------------------------------------------------------------
-// Yield to incoming messages
-// ----------------------------------------------------------------------------
-
-WX_DECLARE_OBJARRAY(MSG, wxMSGArray);
-
-#include <wx/arrimpl.cpp>
-WX_DEFINE_OBJARRAY(wxMSGArray);
-
-static wxMSGArray g_arrMSG;
-
-bool wxApp::DoYield(bool onlyIfNeeded, long eventsToProcess)
-{
- if ( m_isInsideYield )
- {
- if ( !onlyIfNeeded )
- {
- wxFAIL_MSG( wxT("wxYield called recursively" ) );
- }
-
- return false;
- }
-
- // set the flag and don't forget to reset it before returning
- m_isInsideYield = true;
- m_eventsToProcessInsideYield = eventsToProcess;
-
- wxON_BLOCK_EXIT_SET(m_isInsideYield, false);
-
-#if wxUSE_LOG
- // disable log flushing from here because a call to wxYield() shouldn't
- // normally result in message boxes popping up &c
- wxLog::Suspend();
-
- // ensure the logs will be flashed again when we exit
- wxON_BLOCK_EXIT0(wxLog::Resume);
-#endif // wxUSE_LOG
-
- // we don't want to process WM_QUIT from here - it should be processed in
- // the main event loop in order to stop it
- wxEventLoopGuarantor dummyLoopIfNeeded;
- MSG msg;
- while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
- msg.message != WM_QUIT )
- {
-#if wxUSE_THREADS
- wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
-
- if (msg.message == WM_PAINT)
- {
- // WM_PAINT messages are the last ones of the queue...
- break;
- }
-
- // choose a wxEventCategory for this Windows message
- wxEventCategory cat;
- switch (msg.message)
- {
- case WM_NCMOUSEMOVE:
- case WM_NCLBUTTONDOWN:
- case WM_NCLBUTTONUP:
- case WM_NCLBUTTONDBLCLK:
- case WM_NCRBUTTONDOWN:
- case WM_NCRBUTTONUP:
- case WM_NCRBUTTONDBLCLK:
- case WM_NCMBUTTONDOWN:
- case WM_NCMBUTTONUP:
- case WM_NCMBUTTONDBLCLK:
-
- case WM_KEYDOWN:
- case WM_KEYUP:
- case WM_CHAR:
- case WM_DEADCHAR:
- case WM_SYSKEYDOWN:
- case WM_SYSKEYUP:
- case WM_SYSCHAR:
- case WM_SYSDEADCHAR:
-#ifdef WM_UNICHAR
- case WM_UNICHAR:
-#endif
- case WM_HOTKEY:
- case WM_IME_STARTCOMPOSITION:
- case WM_IME_ENDCOMPOSITION:
- case WM_IME_COMPOSITION:
- case WM_COMMAND:
- case WM_SYSCOMMAND:
-
- case WM_IME_SETCONTEXT:
- case WM_IME_NOTIFY:
- case WM_IME_CONTROL:
- case WM_IME_COMPOSITIONFULL:
- case WM_IME_SELECT:
- case WM_IME_CHAR:
- case WM_IME_KEYDOWN:
- case WM_IME_KEYUP:
-
- case WM_MOUSEHOVER:
-#ifdef WM_NCMOUSELEAVE
- case WM_NCMOUSELEAVE:
-#endif
- case WM_MOUSELEAVE:
-
- case WM_CUT:
- case WM_COPY:
- case WM_PASTE:
- case WM_CLEAR:
- case WM_UNDO:
-
- case WM_MOUSEMOVE:
- case WM_LBUTTONDOWN:
- case WM_LBUTTONUP:
- case WM_LBUTTONDBLCLK:
- case WM_RBUTTONDOWN:
- case WM_RBUTTONUP:
- case WM_RBUTTONDBLCLK:
- case WM_MBUTTONDOWN:
- case WM_MBUTTONUP:
- case WM_MBUTTONDBLCLK:
- case WM_MOUSEWHEEL:
- cat = wxEVT_CATEGORY_USER_INPUT;
- break;
-
- case WM_TIMER:
- cat = wxEVT_CATEGORY_TIMER;
- break;
-
- default:
- if (msg.message < WM_USER)
- {
- // 0;WM_USER-1 is the range of message IDs reserved for use
- // by the system.
-
- // there are too many of these types of messages to handle
- // them in this switch
- cat = wxEVT_CATEGORY_UI;
- }
- else
- cat = wxEVT_CATEGORY_UNKNOWN;
- }
-
- // should we process this event now?
- if (cat & eventsToProcess)
- {
- if ( !wxTheApp->Dispatch() )
- break;
- }
- else
- {
- // remove the message and store it
- ::GetMessage(&msg, NULL, 0, 0);
- g_arrMSG.Add(msg);
- }
- }
-
- // if there are pending events, we must process them.
- ProcessPendingEvents();
-
- // put back unprocessed events in the queue
- DWORD id = GetCurrentThreadId();
- for (size_t i=0; i<g_arrMSG.GetCount(); i++)
- {
- PostThreadMessage(id, g_arrMSG[i].message,
- g_arrMSG[i].wParam, g_arrMSG[i].lParam);
- }
-
- g_arrMSG.Clear();
-
- return true;
-}
-
projects / wxWidgets.git / blobdiff