/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/msw/app.cpp
// Purpose: wxApp
// Author: Julian Smart
// Modified by:
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "app.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#endif
#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h"
+ #include "wx/dynarray.h"
#include "wx/frame.h"
#include "wx/app.h"
#include "wx/utils.h"
#include "wx/dialog.h"
#include "wx/msgdlg.h"
#include "wx/intl.h"
- #include "wx/dynarray.h"
- #include "wx/wxchar.h"
- #include "wx/icon.h"
+ #include "wx/crt.h"
#include "wx/log.h"
+ #include "wx/module.h"
#endif
#include "wx/apptrait.h"
#include "wx/filename.h"
-#include "wx/module.h"
#include "wx/dynlib.h"
+#include "wx/evtloop.h"
+#include "wx/thread.h"
#include "wx/msw/private.h"
+#include "wx/msw/dc.h"
#include "wx/msw/ole/oleutils.h"
+#include "wx/msw/private/timer.h"
#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
// OLE is used for drag-and-drop, clipboard, OLE Automation..., but some
// compilers don't support it (missing headers, libs, ...)
-#if defined(__GNUWIN32_OLD__) || defined(__SYMANTEC__) || defined(__SALFORDC__)
+#if defined(__GNUWIN32_OLD__) || defined(__SYMANTEC__)
#undef wxUSE_OLE
#define wxUSE_OLE 0
#endif // broken compilers
#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
-#include <aygshell.h>
+ #include <ole2.h>
+ #include <aygshell.h>
#endif
#if wxUSE_OLE
#include <string.h>
#include <ctype.h>
-#include "wx/msw/wrapcctl.h"
+#include "wx/msw/missing.h"
+
+// instead of including <shlwapi.h> which is not part of the core SDK and not
+// shipped at all with other compilers, we always define the parts of it we
+// need here ourselves
+//
+// NB: DLLVER_PLATFORM_WINDOWS will be defined if shlwapi.h had been somehow
+// included already
+#ifndef DLLVER_PLATFORM_WINDOWS
+ // hopefully we don't need to change packing as DWORDs should be already
+ // correctly aligned
+ struct DLLVERSIONINFO
+ {
+ DWORD cbSize;
+ DWORD dwMajorVersion; // Major version
+ DWORD dwMinorVersion; // Minor version
+ DWORD dwBuildNumber; // Build number
+ DWORD dwPlatformID; // DLLVER_PLATFORM_*
+ };
-// For MB_TASKMODAL
-#ifdef __WXWINCE__
-#include "wx/msw/wince/missing.h"
-#endif
+ typedef HRESULT (CALLBACK* DLLGETVERSIONPROC)(DLLVERSIONINFO *);
+#endif // defined(DLLVERSIONINFO)
-// For DLLVER_PLATFORM_WINDOWS
-#if (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \
- !defined(__CYGWIN__) && !defined(__DIGITALMARS__) && !defined(__WXWINCE__) && \
- (!defined(_MSC_VER) || (_MSC_VER > 1100))
- #include <shlwapi.h>
-#endif
// ---------------------------------------------------------------------------
// global variables
// ---------------------------------------------------------------------------
-extern wxList WXDLLEXPORT wxPendingDelete;
-
#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
extern void wxSetKeyboardHook(bool doIt);
#endif
{
// we should return false only if the app should exit, i.e. only if
// Dispatch() determines that the main event loop should terminate
- return !wxTheApp || wxTheApp->Dispatch();
+ wxEventLoopBase * const evtLoop = wxEventLoop::GetActive();
+ if ( !evtLoop || !evtLoop->Pending() )
+ {
+ // no events means no quit event
+ return true;
+ }
+
+ return evtLoop->Dispatch();
}
-wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
+DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread)
{
- static wxToolkitInfo info;
- wxToolkitInfo& baseInfo = wxAppTraits::GetToolkitInfo();
- info.versionMajor = baseInfo.versionMajor;
- info.versionMinor = baseInfo.versionMinor;
- info.os = baseInfo.os;
- info.shortName = _T("msw");
- info.name = _T("wxMSW");
-#ifdef __WXUNIVERSAL__
- info.shortName << _T("univ");
- info.name << _T("/wxUniversal");
+ // 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() )
+ return DoSimpleWaitForThread(hThread);
+
+ return ::MsgWaitForMultipleObjects
+ (
+ 1, // number of objects to wait for
+ (HANDLE *)&hThread, // the objects
+ false, // wait for any objects, not all
+ INFINITE, // no timeout
+ QS_ALLINPUT | // return as soon as there are any events
+ QS_ALLPOSTMESSAGE
+ );
+}
+
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const
+{
+ OSVERSIONINFO info;
+ wxZeroMemory(info);
+
+ // on Windows, the toolkit version is the same of the OS version
+ // as Windows integrates the OS kernel with the GUI toolkit.
+ info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ if ( ::GetVersionEx(&info) )
+ {
+ if ( majVer )
+ *majVer = info.dwMajorVersion;
+ if ( minVer )
+ *minVer = info.dwMinorVersion;
+ }
+
+#if defined(__WXHANDHELD__) || defined(__WXWINCE__)
+ return wxPORT_WINCE;
+#else
+ return wxPORT_MSW;
#endif
- return info;
+}
+
+#if wxUSE_TIMER
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+ return new wxMSWTimerImpl(timer);
+}
+
+#endif // wxUSE_TIMER
+
+wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
+{
+ return new wxEventLoop;
}
// ===========================================================================
#ifdef __WXWINCE__
wxString tmp = GetAppName();
tmp += wxT("ClassName");
- wxCanvasClassName = wxStrdup( tmp.c_str() );
+ wxCanvasClassName = wxStrdup( tmp.wc_str() );
tmp += wxT("NR");
- wxCanvasClassNameNR = wxStrdup( tmp.c_str() );
+ wxCanvasClassNameNR = wxStrdup( tmp.wc_str() );
HWND hWnd = FindWindow( wxCanvasClassNameNR, NULL );
if (hWnd)
{
}
#endif
- // the first thing to do is to check if we're trying to run an Unicode
- // program under Win9x w/o MSLU emulation layer - if so, abort right now
- // as it has no chance to work
-#if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
- if ( wxGetOsVersion() != wxWINDOWS_NT && wxGetOsVersion() != wxWINDOWS_CE && wxGetOsVersion() != wxWINDOWS_SMARTPHONE && wxGetOsVersion() != wxWINDOWS_POCKETPC )
- {
- // note that we can use MessageBoxW() as it's implemented even under
- // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
- // used by wxLocale are not
- ::MessageBox
- (
- NULL,
- _T("This program uses Unicode and requires Windows NT/2000/XP/CE.\nProgram aborted."),
- _T("wxWidgets Fatal Error"),
- MB_ICONERROR | MB_OK
- );
-
- return false;
- }
-#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
-
-#if defined(__WIN95__) && !defined(__WXMICROWIN__)
+#if !defined(__WXMICROWIN__)
InitCommonControls();
-#endif // __WIN95__
+#endif // !defined(__WXMICROWIN__)
#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
SHInitExtraControls();
#endif
+#ifndef __WXWINCE__
+ // Don't show a message box if a function such as SHGetFileInfo
+ // fails to find a device.
+ SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX);
+#endif
+
wxOleInitialize();
RegisterWindowClasses();
-#if wxUSE_PENWINDOWS
- wxRegisterPenWin();
-#endif
-
- wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
-
#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
wxSetKeyboardHook(true);
#endif
void wxApp::CleanUp()
{
- // all objects pending for deletion must be deleted first, otherwise we
- // would crash when they use wxWinHandleHash (and UnregisterWindowClasses()
- // call wouldn't succeed as long as any windows still exist), so call the
- // base class method first and only then do our clean up
+ // all objects pending for deletion must be deleted first, otherwise
+ // UnregisterWindowClasses() call wouldn't succeed (because windows
+ // using the classes being unregistered still exist), so call the base
+ // class method first and only then do our clean up
wxAppBase::CleanUp();
#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
wxSetKeyboardHook(false);
#endif
-#if wxUSE_PENWINDOWS
- wxCleanUpPenWin();
-#endif
-
wxOleUninitialize();
// for an EXE the classes are unregistered when it terminates but DLL may
// unregister the classes now
UnregisterWindowClasses();
- delete wxWinHandleHash;
- wxWinHandleHash = NULL;
-
#ifdef __WXWINCE__
free( wxCanvasClassName );
free( wxCanvasClassNameNR );
wxApp::~wxApp()
{
- // our cmd line arguments are allocated inside wxEntry(HINSTANCE), they
- // don't come from main(), so we have to free them
-
- while ( argc )
- {
- // m_argv elements were allocated by wxStrdup()
- free(argv[--argc]);
- }
-
- // but m_argv itself -- using new[]
- delete [] argv;
}
// ----------------------------------------------------------------------------
// wxApp idle handling
// ----------------------------------------------------------------------------
-void wxApp::OnIdle(wxIdleEvent& event)
+void wxApp::OnIdle(wxIdleEvent& WXUNUSED(event))
{
- wxAppBase::OnIdle(event);
-
#if wxUSE_DC_CACHEING
// automated DC cache management: clear the cached DCs and bitmap
// if it's likely that the app has finished with them, that is, we
// get an idle event and we're not dragging anything.
if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
- wxDC::ClearCache();
+ wxMSWDCImpl::ClearCache();
#endif // wxUSE_DC_CACHEING
}
// start up again. Doing it this way ensures that the idle handler
// wakes up in the right thread (see also wxWakeUpMainThread() which does
// the same for the main app thread only)
- wxWindow *topWindow = wxTheApp->GetTopWindow();
+ wxWindow * const topWindow = wxTheApp->GetTopWindow();
if ( topWindow )
{
- if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
+ HWND hwndTop = GetHwndOf(topWindow);
+
+ // Do not post WM_NULL if there's already a pending WM_NULL to avoid
+ // overflowing the message queue.
+ //
+ // Notice that due to a limitation of PeekMessage() API (which handles
+ // 0,0 range specially), we have to check the range from 0-1 instead.
+ // This still makes it possible to overflow the queue with WM_NULLs by
+ // interspersing the calles to WakeUpIdle() with windows creation but
+ // it should be rather hard to do it accidentally.
+ MSG msg;
+ if ( !::PeekMessage(&msg, hwndTop, 0, 1, PM_NOREMOVE) ||
+ ::PeekMessage(&msg, hwndTop, 1, 1, PM_NOREMOVE) )
{
- // should never happen
- wxLogLastError(wxT("PostMessage(WM_NULL)"));
+ if ( !::PostMessage(hwndTop, WM_NULL, 0, 0) )
+ {
+ // should never happen
+ wxLogLastError(wxT("PostMessage(WM_NULL)"));
+ }
}
}
}
void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
{
- if (GetTopWindow())
- GetTopWindow()->Close(true);
+ // Windows will terminate the process soon after we return from
+ // WM_ENDSESSION handler anyhow, so make sure we at least execute our
+ // cleanup code before
+ const int rc = OnExit();
+
+ wxEntryCleanup();
+
+ // calling exit() instead of ExitProcess() or not doing anything at all and
+ // being killed by Windows has the advantage of executing the dtors of
+ // global objects
+ exit(rc);
}
// Default behaviour: close the application with prompts. The
}
// ----------------------------------------------------------------------------
-// miscellaneous
+// system DLL versions
// ----------------------------------------------------------------------------
+// these functions have trivial inline implementations for CE
+#ifndef __WXWINCE__
+
+#if wxUSE_DYNLIB_CLASS
+
+namespace
+{
+
+// helper function: retrieve the DLL version by using DllGetVersion(), returns
+// 0 if the DLL doesn't export such function
+int CallDllGetVersion(wxDynamicLibrary& dll)
+{
+ // now check if the function is available during run-time
+ wxDYNLIB_FUNCTION( DLLGETVERSIONPROC, DllGetVersion, dll );
+ if ( !pfnDllGetVersion )
+ return 0;
+
+ DLLVERSIONINFO dvi;
+ dvi.cbSize = sizeof(dvi);
+
+ HRESULT hr = (*pfnDllGetVersion)(&dvi);
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(_T("DllGetVersion"), hr);
+
+ return 0;
+ }
+
+ return 100*dvi.dwMajorVersion + dvi.dwMinorVersion;
+}
+
+} // anonymous namespace
+
/* static */
int wxApp::GetComCtl32Version()
{
-#if defined(__WXMICROWIN__) || defined(__WXWINCE__)
- return 0;
-#else
// cache the result
//
// NB: this is MT-ok as in the worst case we'd compute s_verComCtl32 twice,
if ( s_verComCtl32 == -1 )
{
- // initally assume no comctl32.dll at all
- s_verComCtl32 = 0;
-
// we're prepared to handle the errors
wxLogNull noLog;
- // do we have it?
+ // the DLL should really be available
wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM);
+ if ( !dllComCtl32.IsLoaded() )
+ {
+ s_verComCtl32 = 0;
+ return 0;
+ }
+
+ // try DllGetVersion() for recent DLLs
+ s_verComCtl32 = CallDllGetVersion(dllComCtl32);
- // if so, then we can check for the version
- if ( dllComCtl32.IsLoaded() )
+ // if DllGetVersion() is unavailable either during compile or
+ // run-time, try to guess the version otherwise
+ if ( !s_verComCtl32 )
{
-#ifdef DLLVER_PLATFORM_WINDOWS
- // try to use DllGetVersion() if available in _headers_
- wxDYNLIB_FUNCTION( DLLGETVERSIONPROC, DllGetVersion, dllComCtl32 );
- if ( pfnDllGetVersion )
+ // InitCommonControlsEx is unique to 4.70 and later
+ void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx"));
+ if ( !pfn )
{
- DLLVERSIONINFO dvi;
- dvi.cbSize = sizeof(dvi);
-
- HRESULT hr = (*pfnDllGetVersion)(&dvi);
- if ( FAILED(hr) )
- {
- wxLogApiError(_T("DllGetVersion"), hr);
- }
- else
- {
- // this is incompatible with _WIN32_IE values, but
- // compatible with the other values returned by
- // GetComCtl32Version()
- s_verComCtl32 = 100*dvi.dwMajorVersion +
- dvi.dwMinorVersion;
- }
+ // not found, must be 4.00
+ s_verComCtl32 = 400;
}
-#endif
-
- // if DllGetVersion() is unavailable either during compile or
- // run-time, try to guess the version otherwise
- if ( !s_verComCtl32 )
+ else // 4.70+
{
- // InitCommonControlsEx is unique to 4.70 and later
- void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx"));
+ // many symbols appeared in comctl32 4.71, could use any of
+ // them except may be DllInstall()
+ pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB"));
if ( !pfn )
{
- // not found, must be 4.00
- s_verComCtl32 = 400;
+ // not found, must be 4.70
+ s_verComCtl32 = 470;
}
- else // 4.70+
+ else
{
- // many symbols appeared in comctl32 4.71, could use any of
- // them except may be DllInstall()
- pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB"));
- if ( !pfn )
- {
- // not found, must be 4.70
- s_verComCtl32 = 470;
- }
- else
- {
- // found, must be 4.71 or later
- s_verComCtl32 = 471;
- }
+ // found, must be 4.71 or later
+ s_verComCtl32 = 471;
}
}
}
}
return s_verComCtl32;
-#endif // Microwin/!Microwin
}
+/* static */
+int wxApp::GetShell32Version()
+{
+ static int s_verShell32 = -1;
+ if ( s_verShell32 == -1 )
+ {
+ // we're prepared to handle the errors
+ wxLogNull noLog;
+
+ wxDynamicLibrary dllShell32(_T("shell32.dll"), wxDL_VERBATIM);
+ if ( dllShell32.IsLoaded() )
+ {
+ s_verShell32 = CallDllGetVersion(dllShell32);
+
+ if ( !s_verShell32 )
+ {
+ // there doesn't seem to be any way to distinguish between 4.00
+ // and 4.70 (starting from 4.71 we have DllGetVersion()) so
+ // just assume it is 4.0
+ s_verShell32 = 400;
+ }
+ }
+ else // failed load the DLL?
+ {
+ s_verShell32 = 0;
+ }
+ }
+
+ return s_verShell32;
+}
+
+#else // !wxUSE_DYNLIB_CLASS
+
+/* static */
+int wxApp::GetComCtl32Version()
+{
+ return 0;
+}
+
+/* static */
+int wxApp::GetShell32Version()
+{
+ return 0;
+}
+
+#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
+
+#endif // !__WXWINCE__
+
+// ----------------------------------------------------------------------------
// Yield to incoming messages
+// ----------------------------------------------------------------------------
bool wxApp::Yield(bool onlyIfNeeded)
{
\"Retry\" to exit the program normally and \"Ignore\" to try to continue."),
_T("Unhandled exception"),
MB_ABORTRETRYIGNORE |
- MB_ICONERROR|
+ MB_ICONERROR|
MB_TASKMODAL
)
)
}
#endif // wxUSE_EXCEPTIONS
-
-// ----------------------------------------------------------------------------
-// deprecated event loop functions
-// ----------------------------------------------------------------------------
-
-#if WXWIN_COMPATIBILITY_2_4
-
-#include "wx/evtloop.h"
-
-void wxApp::DoMessage(WXMSG *pMsg)
-{
- wxEventLoop *evtLoop = wxEventLoop::GetActive();
- if ( evtLoop )
- evtLoop->ProcessMessage(pMsg);
-}
-
-bool wxApp::DoMessage()
-{
- wxEventLoop *evtLoop = wxEventLoop::GetActive();
- return evtLoop ? evtLoop->Dispatch() : false;
-}
-
-bool wxApp::ProcessMessage(WXMSG* pMsg)
-{
- wxEventLoop *evtLoop = wxEventLoop::GetActive();
- return evtLoop && evtLoop->PreProcessMessage(pMsg);
-}
-
-#endif // WXWIN_COMPATIBILITY_2_4
-
projects / wxWidgets.git / blobdiff