// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "app.h"
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// 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"
#if defined(__BORLANDC__)
- #pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
- #include "wx/frame.h"
- #include "wx/app.h"
- #include "wx/utils.h"
- #include "wx/gdicmn.h"
- #include "wx/pen.h"
- #include "wx/brush.h"
- #include "wx/cursor.h"
- #include "wx/icon.h"
- #include "wx/palette.h"
- #include "wx/dc.h"
- #include "wx/dialog.h"
- #include "wx/msgdlg.h"
+ #include "wx/frame.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/gdicmn.h"
+ #include "wx/pen.h"
+ #include "wx/brush.h"
+ #include "wx/cursor.h"
+ #include "wx/icon.h"
+ #include "wx/palette.h"
+ #include "wx/dc.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/log.h"
#endif
-#include "wx/msw/private.h"
-#include "wx/postscrp.h"
-#include "wx/log.h"
+#include "wx/apptrait.h"
+#include "wx/filename.h"
#include "wx/module.h"
+#include "wx/dynlib.h"
+
+#include "wx/msw/private.h"
+
+#if wxUSE_TOOLTIPS
+ #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
-#if USE_WX_RESOURCES
- #include "wx/resource.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__)
+ #undef wxUSE_OLE
+
+ #define wxUSE_OLE 0
+#endif // broken compilers
+
+#if wxUSE_OLE
+ #include <ole2.h>
#endif
#include <string.h>
#include <ctype.h>
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
- #include <commctrl.h>
-#endif
+#include "wx/msw/wrapcctl.h"
-// use debug CRT functions for memory leak detections in VC++
-#if defined(__WXDEBUG__) && defined(_MSC_VER)
- // VC++ uses this macro as debug/release mode indicator
- #ifndef _DEBUG
- #define _DEBUG
- #endif
+// For MB_TASKMODAL
+#ifdef __WXWINCE__
+#include "wx/msw/wince/missing.h"
+#endif
- #include <crtdbg.h>
+#if (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \
+ !defined(__CYGWIN__) && !defined(__DIGITALMARS__) && !defined(__WXWINCE__) && \
+ (!defined(_MSC_VER) || (_MSC_VER > 1100))
+ #include <shlwapi.h>
#endif
-extern char *wxBuffer;
-extern char *wxOsVersion;
-extern wxList *wxWinHandleList;
-extern wxList wxPendingDelete;
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+extern wxList WXDLLEXPORT wxPendingDelete;
+
+#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
extern void wxSetKeyboardHook(bool doIt);
-extern wxCursor *g_globalCursor;
+#endif
-HINSTANCE wxhInstance = 0;
-static MSG s_currentMsg;
-wxApp *wxTheApp = NULL;
+// NB: all "NoRedraw" classes must have the same names as the "normal" classes
+// with NR suffix - wxWindow::MSWCreate() supposes this
+const wxChar *wxCanvasClassName = wxT("wxWindowClass");
+const wxChar *wxCanvasClassNameNR = wxT("wxWindowClassNR");
+const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass");
+const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
+const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
+const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
-// @@ why not const? and not static?
-char wxFrameClassName[] = "wxFrameClass";
-char wxMDIFrameClassName[] = "wxMDIFrameClass";
-char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
-char wxPanelClassName[] = "wxPanelClass";
-char wxCanvasClassName[] = "wxCanvasClass";
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
-HICON wxSTD_FRAME_ICON = NULL;
-HICON wxSTD_MDICHILDFRAME_ICON = NULL;
-HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
-HICON wxDEFAULT_FRAME_ICON = NULL;
-HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
-HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
+LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
-HBRUSH wxDisableButtonBrush = 0;
+// ===========================================================================
+// wxGUIAppTraits implementation
+// ===========================================================================
-LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+// private class which we use to pass parameters from BeforeChildWaitLoop() to
+// AfterChildWaitLoop()
+struct ChildWaitLoopData
+{
+ ChildWaitLoopData(wxWindowDisabler *wd_, wxWindow *winActive_)
+ {
+ wd = wd_;
+ winActive = winActive_;
+ }
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+ wxWindowDisabler *wd;
+ wxWindow *winActive;
+};
- BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
- END_EVENT_TABLE()
-#endif
+void *wxGUIAppTraits::BeforeChildWaitLoop()
+{
+ /*
+ We use a dirty hack here to disable all application windows (which we
+ must do because otherwise the calls to wxYield() could lead to some very
+ unexpected reentrancies in the users code) but to avoid losing
+ 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
+ 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
+ enabled all the time. Then when the child terminates it will get
+ activated and when we close it below -- after reenabling all the other
+ windows! -- the previously active window becomes activated again and
+ everything is ok.
+ */
+ wxBeginBusyCursor();
+
+ // 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
+ (
+ wxTheApp->GetTopWindow(),
+ wxID_ANY,
+ wxEmptyString,
+ wxPoint(32600, 32600),
+ wxSize(1, 1),
+ wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR
+ );
+ winActive->Show();
+
+ return new ChildWaitLoopData(wd, winActive);
+}
-long wxApp::sm_lastMessageTime = 0;
+void wxGUIAppTraits::AlwaysYield()
+{
+ wxYield();
+}
-#ifdef __WIN95__
- static HINSTANCE gs_hRichEdit = NULL;
-#endif
+void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
+{
+ wxEndBusyCursor();
-//// Initialize
+ const ChildWaitLoopData * const data = (ChildWaitLoopData *)dataOrig;
+
+ delete data->wd;
-bool wxApp::Initialize()
+ // 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
+ data->winActive->Destroy();
+}
+
+bool wxGUIAppTraits::DoMessageFromThreadWait()
{
- wxBuffer = new char[1500];
+ // 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();
+}
- #if defined(__WXDEBUG__) && defined(_MSC_VER)
- // do check for memory leaks on program exit
- // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
- // deallocated memory which may be used to simulate low-memory condition)
- _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);
- #endif // debug build under MS VC++
+wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
+{
+ 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");
+#endif
+ return info;
+}
- #if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
- #if defined(_WINDLL)
- streambuf* sBuf = NULL;
- #else // EXE
- streambuf* sBuf = new wxDebugStreamBuf;
- #endif // DLL
+// ===========================================================================
+// wxApp implementation
+// ===========================================================================
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
- #endif // USE_MEMORY_TRACING
+int wxApp::m_nCmdShow = SW_SHOWNORMAL;
- wxClassInfo::InitializeClasses();
+// ---------------------------------------------------------------------------
+// wxWin macros
+// ---------------------------------------------------------------------------
- #if USE_RESOURCES
- wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
- #endif
+IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+ EVT_END_SESSION(wxApp::OnEndSession)
+ EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+END_EVENT_TABLE()
- wxInitializeStockLists();
- wxInitializeStockObjects();
+// class to ensure that wxAppBase::CleanUp() is called if our Initialize()
+// fails
+class wxCallBaseCleanup
+{
+public:
+ wxCallBaseCleanup(wxApp *app) : m_app(app) { }
+ ~wxCallBaseCleanup() { if ( m_app ) m_app->wxAppBase::CleanUp(); }
- #if USE_WX_RESOURCES
- wxInitializeResourceSystem();
- #endif
+ void Dismiss() { m_app = NULL; }
- // For PostScript printing
- #if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
- #endif
+private:
+ wxApp *m_app;
+};
- wxBitmap::InitStandardHandlers();
+//// Initialize
+bool wxApp::Initialize(int& argc, wxChar **argv)
+{
+ if ( !wxAppBase::Initialize(argc, argv) )
+ return false;
- #if defined(__WIN95__)
- InitCommonControls();
- gs_hRichEdit = LoadLibrary("RICHED32.DLL");
+ // ensure that base cleanup is done if we return too early
+ wxCallBaseCleanup callBaseCleanup(this);
- if (gs_hRichEdit == NULL)
+ // 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 )
{
- wxMessageBox("Could not initialise Rich Edit DLL");
+ // 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("wxWindows Fatal Error"),
+ MB_ICONERROR | MB_OK
+ );
+
+ return FALSE;
}
- #endif
+#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
+
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)
+ InitCommonControls();
+#endif // __WIN95__
- #if defined(WX_DRAG_DROP)
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP
+
+#if wxUSE_OLE
// we need to initialize OLE library
+#ifdef __WXWINCE__
+ if ( FAILED(::CoInitializeEx(NULL, COINIT_MULTITHREADED)) )
+ wxLogError(_("Cannot initialize OLE"));
+#else
if ( FAILED(::OleInitialize(NULL)) )
- wxFatalError(_("Cannot initialize OLE"));
- #endif
+ wxLogError(_("Cannot initialize OLE"));
+#endif
+#endif
+
+#endif // wxUSE_OLE
- #if CTL3D
+#if wxUSE_CTL3D
if (!Ctl3dRegister(wxhInstance))
- wxFatalError("Cannot register CTL3D");
+ wxLogError(wxT("Cannot register CTL3D"));
Ctl3dAutoSubclass(wxhInstance);
- #endif
-
- g_globalCursor = new wxCursor;
-
- wxSTD_FRAME_ICON = LoadIcon(wxhInstance, "wxSTD_FRAME");
- wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDIPARENTFRAME");
- wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxSTD_MDICHILDFRAME");
-
- wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_FRAME");
- wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDIPARENTFRAME");
- wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, "wxDEFAULT_MDICHILDFRAME");
+#endif // wxUSE_CTL3D
- RegisterWindowClasses();
+ RegisterWindowClasses();
- // Create the brush for disabling bitmap buttons
+#if defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+ // Create the brush for disabling bitmap buttons
- LOGBRUSH lb ;
- lb.lbStyle = BS_PATTERN;
- lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
- wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
- ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
+ LOGBRUSH lb;
+ lb.lbStyle = BS_PATTERN;
+ lb.lbColor = 0;
+ lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
+ if ( lb.lbHatch )
+ {
+ wxDisableButtonBrush = ::CreateBrushIndirect( & lb );
+ ::DeleteObject( (HGDIOBJ)lb.lbHatch );
+ }
+ //else: wxWindows resources are probably not linked in
+#endif
- #if USE_PENWINDOWS
+#if wxUSE_PENWINDOWS
wxRegisterPenWin();
- #endif
+#endif
- wxWinHandleList = new wxList(wxKEY_INTEGER);
+ wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
- // This is to foil optimizations in Visual C++ that
- // throw out dummy.obj.
- #if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
- extern char wxDummyChar;
- if (wxDummyChar) wxDummyChar++;
- #endif
+#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+ wxSetKeyboardHook(TRUE);
+#endif
- wxSetKeyboardHook(TRUE);
+ callBaseCleanup.Dismiss();
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules())
- return FALSE;
- return TRUE;
+ return true;
}
-//// RegisterWindowClasses
+// ---------------------------------------------------------------------------
+// RegisterWindowClasses
+// ---------------------------------------------------------------------------
+// TODO we should only register classes really used by the app. For this it
+// would be enough to just delay the class registration until an attempt
+// to create a window of this class is made.
bool wxApp::RegisterWindowClasses()
{
-///////////////////////////////////////////////////////////////////////
-// Register the frame window class.
- WNDCLASS wndclass; // Structure used to register Windows class.
-
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = sizeof( DWORD ); // was 4
- wndclass.hInstance = wxhInstance;
- wndclass.hIcon = NULL; // wxSTD_FRAME_ICON;
- wndclass.hCursor = LoadCursor( NULL, IDC_ARROW );
- wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ;
-// wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
- wndclass.lpszMenuName = NULL;
-#ifdef _MULTIPLE_INSTANCES
- sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance );
-#endif
- wndclass.lpszClassName = wxFrameClassName;
-
- if (!RegisterClass( &wndclass ))
- {
- // wxFatalError("Can't register Frame Window class");
- }
-
-///////////////////////////////////////////////////////////////////////
-// Register the MDI frame window class.
- WNDCLASS wndclass1; // Structure used to register Windows class.
-
- wndclass1.style = CS_HREDRAW | CS_VREDRAW;
- wndclass1.lpfnWndProc = (WNDPROC)wxWndProc;
- wndclass1.cbClsExtra = 0;
- wndclass1.cbWndExtra = sizeof( DWORD ); // was 4
- wndclass1.hInstance = wxhInstance;
- wndclass1.hIcon = NULL; // wxSTD_MDIPARENTFRAME_ICON;
- wndclass1.hCursor = LoadCursor( NULL, IDC_ARROW );
-// wndclass1.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ;
- wndclass1.hbrBackground = NULL;
- wndclass1.lpszMenuName = NULL;
-
- wndclass1.lpszClassName = wxMDIFrameClassName;
- if (!RegisterClass( &wndclass1 ))
- {
-// wxFatalError("Can't register MDI Frame window class");
-// return FALSE;
- }
-
-///////////////////////////////////////////////////////////////////////
-// Register the MDI child frame window class.
- WNDCLASS wndclass4; // Structure used to register Windows class.
-
- wndclass4.style = CS_HREDRAW | CS_VREDRAW;
- wndclass4.lpfnWndProc = (WNDPROC)wxWndProc;
- wndclass4.cbClsExtra = 0;
- wndclass4.cbWndExtra = sizeof( DWORD ); // was 4
- wndclass4.hInstance = wxhInstance;
- wndclass4.hIcon = NULL; // wxSTD_MDICHILDFRAME_ICON;
- wndclass4.hCursor = LoadCursor( NULL, IDC_ARROW );
- // TODO: perhaps this should be NULL so that Windows doesn't
- // paint the background itself (would OnEraseBackground duplicate
- // this?)
- wndclass4.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
-// wndclass4.hbrBackground = NULL;
- wndclass4.lpszMenuName = NULL;
- wndclass4.lpszClassName = wxMDIChildFrameClassName;
-
- if (!RegisterClass( &wndclass4 ))
- {
-// wxFatalError("Can't register MDI child frame window class");
-// return FALSE;
- }
-
-///////////////////////////////////////////////////////////////////////
-// Register the panel window class.
- WNDCLASS wndclass2; // Structure used to register Windows class.
- memset(&wndclass2, 0, sizeof(WNDCLASS)); // start with NULL defaults
- // Use CS_OWNDC to avoid messing about restoring the context
- // for every graphic operation.
- wndclass2.style = CS_HREDRAW | CS_VREDRAW;
- wndclass2.lpfnWndProc = (WNDPROC)wxWndProc;
- wndclass2.cbClsExtra = 0;
- wndclass2.cbWndExtra = sizeof( DWORD ); // was 4
- wndclass2.hInstance = wxhInstance;
- wndclass2.hIcon = NULL;
- wndclass2.hCursor = NULL;
-// wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
- wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
- wndclass2.lpszMenuName = NULL;
- wndclass2.lpszClassName = wxPanelClassName;
- if (!RegisterClass( &wndclass2 ))
- {
-// wxFatalError("Can't register Panel Window class");
-// return FALSE;
- }
-
-///////////////////////////////////////////////////////////////////////
-// Register the canvas and textsubwindow class name
- WNDCLASS wndclass3; // Structure used to register Windows class.
- memset(&wndclass3, 0, sizeof(WNDCLASS)); // start with NULL defaults
- // Use CS_OWNDC to avoid messing about restoring the context
- // for every graphic operation.
-// wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
- // wxWin 2.0
- wndclass3.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
- wndclass3.lpfnWndProc = (WNDPROC)wxWndProc;
- wndclass3.cbClsExtra = 0;
- wndclass3.cbWndExtra = sizeof( DWORD ); // was 4
- wndclass3.hInstance = wxhInstance;
- wndclass3.hIcon = NULL;
- wndclass3.hCursor = NULL;
-// wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
- wndclass3.hbrBackground = NULL;
- wndclass3.lpszMenuName = NULL;
- wndclass3.lpszClassName = wxCanvasClassName;
- if (!RegisterClass( &wndclass3))
- {
-// wxFatalError("Can't register Canvas class");
-// return FALSE;
- }
-
- return TRUE;
-}
+ WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
-//// Convert Windows to argc, argv style
+ // for each class we register one with CS_(V|H)REDRAW style and one
+ // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
+ static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
+ static const long styleNoRedraw = CS_DBLCLKS;
-// FIXME this code should be rewritten (use wxArrayString instead...)
-void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
-{
- // Split command line into tokens, as in usual main(argc, argv)
- char **command = new char*[50]; // VZ: sure? why not 25 or 73 and a half??
-
- int count = 0;
- char *buf = new char[strlen(lpCmdLine) + 1];
-
- /* Model independent strcpy */
- int i;
- for (i = 0; (buf[i] = lpCmdLine[i]) != 0; i++)
- {
- /* loop */;
- }
-
- // Get application name
- char name[260]; // 260 is MAX_PATH value from windef.h
- ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
-
- // Is it only 16-bit Borland that already copies the program name
- // to the first argv index?
-#if !defined(__GNUWIN32__)
-// #if ! (defined(__BORLANDC__) && !defined(__WIN32__))
- command[count++] = copystring(name);
-// #endif
-#endif
+ // the fields which are common to all classes
+ wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass.hInstance = wxhInstance;
+ wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
- strcpy(name, wxFileNameFromPath(name));
- wxStripExtension(name);
- wxTheApp->SetAppName(name);
+ // Register the frame window class.
+ wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
+ wndclass.lpszClassName = wxCanvasClassName;
+ wndclass.style = styleNormal;
- /* Break up string */
- // Treat strings enclosed in double-quotes as single arguments
- char* str = buf;
- while (*str)
- {
- if ( count == WXSIZEOF(command) )
+ if ( !RegisterClass(&wndclass) )
{
- wxFAIL_MSG("too many command line args.");
- break;
+ wxLogLastError(wxT("RegisterClass(frame)"));
}
- while ( *str && isspace(*str) ) // skip whitespace
- str++;
+ // "no redraw" frame
+ wndclass.lpszClassName = wxCanvasClassNameNR;
+ wndclass.style = styleNoRedraw;
- if (*str == '"')
+ if ( !RegisterClass(&wndclass) )
{
- str++;
- command[count++] = str;
- while (*str && *str != '"')
- str++;
+ wxLogLastError(wxT("RegisterClass(no redraw frame)"));
}
- else if (*str)
- {
- command[count++] = str;
- while (*str && !isspace(*str))
- str++;
- }
- if (*str)
- *str++ = '\0';
- }
- wxTheApp->argv = new char*[count + 1];
- wxTheApp->argv[count] = NULL; /* argv[] is NULL terminated list! */
- wxTheApp->argc = count;
+ // Register the MDI frame window class.
+ wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
+ wndclass.lpszClassName = wxMDIFrameClassName;
+ wndclass.style = styleNormal;
- for (i = 0; i < count; i++)
- {
- wxTheApp->argv[i] = copystring(command[i]);
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(MDI parent)"));
+ }
- delete [] command[i];
- }
+ // "no redraw" MDI frame
+ wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
- delete [] command;
- delete [] buf;
-}
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
+ }
-//// Cleans up any wxWindows internal structures left lying around
+ // Register the MDI child frame window class.
+ wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+ wndclass.lpszClassName = wxMDIChildFrameClassName;
+ wndclass.style = styleNormal;
-void wxApp::CleanUp()
-{
- //// COMMON CLEANUP
- wxModule::CleanUpModules();
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(MDI child)"));
+ }
-#if USE_WX_RESOURCES
- wxCleanUpResourceSystem();
+ // "no redraw" MDI child frame
+ wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
-// wxDefaultResourceTable->ClearTable();
-#endif
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
+ }
- // Indicate that the cursor can be freed,
- // so that cursor won't be deleted by deleting
- // the bitmap list before g_globalCursor goes out
- // of scope (double deletion of the cursor).
- wxSetCursor(wxNullCursor);
- delete g_globalCursor;
+ return TRUE;
+}
- wxDeleteStockObjects() ;
+// ---------------------------------------------------------------------------
+// UnregisterWindowClasses
+// ---------------------------------------------------------------------------
- // Destroy all GDI lists, etc.
- wxDeleteStockLists();
+bool wxApp::UnregisterWindowClasses()
+{
+ bool retval = TRUE;
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
+#ifndef __WXMICROWIN__
+ // MDI frame window class.
+ if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(MDI parent)"));
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData(FALSE);
- delete wxThePrintPaperDatabase;
- wxThePrintPaperDatabase = NULL;
-#endif
+ retval = FALSE;
+ }
- wxBitmap::CleanUpHandlers();
+ // "no redraw" MDI frame
+ if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)"));
- delete[] wxBuffer;
- wxBuffer = NULL;
+ retval = FALSE;
+ }
- //// WINDOWS-SPECIFIC CLEANUP
+ // MDI child frame window class.
+ if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(MDI child)"));
- wxSetKeyboardHook(FALSE);
+ retval = FALSE;
+ }
-#ifdef __WIN95__
- if (gs_hRichEdit != NULL)
- FreeLibrary(gs_hRichEdit);
-#endif
+ // "no redraw" MDI child frame
+ if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw MDI child)"));
-#if USE_PENWINDOWS
- wxCleanUpPenWin();
-#endif
+ retval = FALSE;
+ }
- if (wxSTD_FRAME_ICON)
- DestroyIcon(wxSTD_FRAME_ICON);
- if (wxSTD_MDICHILDFRAME_ICON)
- DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
- if (wxSTD_MDIPARENTFRAME_ICON)
- DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
-
- if (wxDEFAULT_FRAME_ICON)
- DestroyIcon(wxDEFAULT_FRAME_ICON);
- if (wxDEFAULT_MDICHILDFRAME_ICON)
- DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
- if (wxDEFAULT_MDIPARENTFRAME_ICON)
- DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
-
- if ( wxDisableButtonBrush )
- ::DeleteObject( wxDisableButtonBrush ) ;
-
-#if defined(WX_DRAG_DROP)
- ::OleUninitialize();
-#endif
+ // canvas class name
+ if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(canvas)"));
-#if CTL3D
- Ctl3dUnregister(wxhInstance);
-#endif
+ retval = FALSE;
+ }
- if (wxWinHandleList)
- delete wxWinHandleList ;
+ if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw canvas)"));
- wxClassInfo::CleanUpClasses();
+ retval = FALSE;
+ }
+#endif // __WXMICROWIN__
- // do it as the very last thing because everything else can log messages
- wxLog::DontCreateOnDemand();
- delete wxLog::SetActiveTarget(NULL);
+ return retval;
}
-#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
-
-//// Main wxWindows entry point
-int wxEntry(WXHINSTANCE hInstance,
- WXHINSTANCE WXUNUSED(hPrevInstance),
- char *lpCmdLine,
- int nCmdShow,
- bool enterLoop)
+void wxApp::CleanUp()
{
-#ifndef __WXDEBUG__ // take everything into a try-except block in release build
- __try {
+ // 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
+ wxAppBase::CleanUp();
+
+#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+ wxSetKeyboardHook(FALSE);
#endif
- wxhInstance = (HINSTANCE) hInstance;
-
- if (!wxApp::Initialize())
- return 0;
-
- // create the application object or ensure that one already exists
- if (!wxTheApp)
- {
- // The app may have declared a global application object, but we recommend
- // the IMPLEMENT_APP macro is used instead, which sets an initializer
- // function for delayed, dynamic app object construction.
- wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
- "No initializer - use IMPLEMENT_APP macro." );
-
- wxTheApp = (*wxApp::GetInitializerFunction()) ();
- }
-
- wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
-
- // save the WinMain() parameters
- wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
- wxTheApp->m_nCmdShow = nCmdShow;
-
- // GUI-specific initialisation. In fact on Windows we don't have any,
- // but this call is provided for compatibility across platforms.
- wxTheApp->OnInitGui() ;
-
- int retValue = 0;
-
- if ( wxTheApp->OnInit() )
- {
- if ( enterLoop )
- {
- retValue = wxTheApp->OnRun();
- }
- }
- //else: app initialization failed, so we skipped OnRun()
-
- wxWindow *topWindow = wxTheApp->GetTopWindow();
- if ( topWindow )
- {
- // Forcibly delete the window.
- if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
- topWindow->IsKindOf(CLASSINFO(wxDialog)) )
- {
- topWindow->Close(TRUE);
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete topWindow;
- wxTheApp->SetTopWindow(NULL);
- }
- }
-
- wxTheApp->OnExit();
- wxApp::CleanUp();
-
- delete wxTheApp;
- wxTheApp = NULL;
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
- // At this point we want to check if there are any memory
- // blocks that aren't part of the wxDebugContext itself,
- // as a special case. Then when dumping we need to ignore
- // wxDebugContext, too.
- if (wxDebugContext::CountObjectsLeft() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- wxDebugContext::SetStream(NULL, NULL);
+#if wxUSE_PENWINDOWS
+ wxCleanUpPenWin();
#endif
- return retValue;
-#ifndef __WXDEBUG__ // catch exceptions only in release build
- }
- __except ( EXCEPTION_EXECUTE_HANDLER ) {
- /*
- if ( wxTheApp )
- wxTheApp->OnFatalException();
- */
-
- ::ExitProcess(3); // the same exit code as abort()
- }
-#endif //debug
-}
-
-#else /* _WINDLL */
+ if ( wxDisableButtonBrush )
+ ::DeleteObject( wxDisableButtonBrush );
-//// Entry point for DLLs
-
-int wxEntry(WXHINSTANCE hInstance)
-{
- wxhInstance = (HINSTANCE) hInstance;
- wxApp::Initialize();
-
- // The app may have declared a global application object, but we recommend
- // the IMPLEMENT_APP macro is used instead, which sets an initializer function
- // for delayed, dynamic app object construction.
-
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
- {
- MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
- return 0;
- }
-
- wxTheApp = (* wxApp::GetInitializerFunction()) ();
- }
-
- if (!wxTheApp) {
- MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
- return 0;
- }
-
- wxTheApp->argc = 0;
- wxTheApp->argv = NULL;
-
- wxTheApp->OnInitGui();
+#if wxUSE_OLE
+#ifdef __WXWINCE__
+ ::CoUninitialize();
+#else
+ ::OleUninitialize();
+#endif
+#endif
- wxTheApp->OnInit();
+ // for an EXE the classes are unregistered when it terminates but DLL may
+ // be loaded several times (load/unload/load) into the same process in
+ // which case the registration will fail after the first time if we don't
+ // unregister the classes now
+ UnregisterWindowClasses();
- if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
- wxTheApp->GetTopWindow()->Show(TRUE);
- }
+#if wxUSE_CTL3D
+ Ctl3dUnregister(wxhInstance);
+#endif
- return 1;
+ delete wxWinHandleHash;
+ wxWinHandleHash = NULL;
}
-#endif // _WINDLL
-
-//// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+// ----------------------------------------------------------------------------
+// wxApp ctor/dtor
+// ----------------------------------------------------------------------------
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_className = "";
- m_wantDebugOutput = TRUE ;
- m_appName = "";
- argc = 0;
- argv = NULL;
-#ifdef __WXMSW__
- m_printMode = wxPRINT_WINDOWS;
-#else
- m_printMode = wxPRINT_POSTSCRIPT;
-#endif
- m_exitOnFrameDelete = TRUE;
- m_auto3D = TRUE;
+ m_printMode = wxPRINT_WINDOWS;
}
wxApp::~wxApp()
{
- // Delete command-line args
- int i;
- for (i = 0; i < argc; i++)
- {
- delete[] argv[i];
- }
- delete argv;
-}
+ // our cmd line arguments are allocated inside wxEntry(HINSTANCE), they
+ // don't come from main(), so we have to free them
-bool wxApp::Initialized()
-{
-#ifndef _WINDLL
- if (GetTopWindow())
- return TRUE;
- else
- return FALSE;
-#endif
-#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
- return TRUE;
-#endif
-}
+ while ( argc )
+ {
+ // m_argv elements were allocated by wxStrdup()
+ free(argv[--argc]);
+ }
-/*
- * Get and process a message, returning FALSE if WM_QUIT
- * received.
- *
- */
-bool wxApp::DoMessage()
-{
- if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
- {
- return FALSE;
- }
-
- // Process the message
- if (!ProcessMessage((WXMSG *)&s_currentMsg))
- {
- ::TranslateMessage(&s_currentMsg);
- wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
- ::DispatchMessage(&s_currentMsg);
- }
- return TRUE;
+ // but m_argv itself -- using new[]
+ delete [] argv;
}
-/*
- * Keep trying to process messages until WM_QUIT
- * received.
- *
- * If there are messages to be processed, they will all be
- * processed and OnIdle will not be called.
- * When there are no more messages, OnIdle is called.
- * If OnIdle requests more time,
- * it will be repeatedly called so long as there are no pending messages.
- * A 'feature' of this is that once OnIdle has decided that no more processing
- * is required, then it won't get processing time until further messages
- * are processed (it'll sit in DoMessage).
- */
-
-int wxApp::MainLoop()
-{
- m_keepGoing = TRUE;
- while (m_keepGoing)
- {
- while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
- ProcessIdle()) {}
- if (!DoMessage())
- m_keepGoing = FALSE;
- }
-
- return s_currentMsg.wParam;
-}
+// ----------------------------------------------------------------------------
+// wxApp idle handling
+// ----------------------------------------------------------------------------
-// Returns TRUE if more time is needed.
-bool wxApp::ProcessIdle()
+void wxApp::OnIdle(wxIdleEvent& event)
{
- wxIdleEvent event;
- event.SetEventObject(this);
- ProcessEvent(event);
-
- return event.MoreRequested();
+ 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();
+#endif // wxUSE_DC_CACHEING
}
-void wxApp::ExitMainLoop()
+void wxApp::WakeUpIdle()
{
- m_keepGoing = FALSE;
+ // Send the top window a dummy message so idle handler processing will
+ // 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();
+ if ( topWindow )
+ {
+ if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
+ {
+ // should never happen
+ wxLogLastError(wxT("PostMessage(WM_NULL)"));
+ }
+ }
}
-bool wxApp::Pending()
-{
- return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
-}
+// ----------------------------------------------------------------------------
+// other wxApp event hanlders
+// ----------------------------------------------------------------------------
-void wxApp::Dispatch()
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
{
- if (!DoMessage())
- m_keepGoing = FALSE;
+ if (GetTopWindow())
+ GetTopWindow()->Close(TRUE);
}
-/*
- * Give all windows a chance to preprocess
- * the message. Some may have accelerator tables, or have
- * MDI complications.
- */
-bool wxApp::ProcessMessage(WXMSG *Msg)
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
{
- MSG *msg = (MSG *)Msg;
-
- HWND hWnd;
-
- // Try translations first; find the youngest window with
- // a translation table.
- for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
- {
- wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
- if (wnd)
+ if (GetTopWindow())
{
- if (wnd->MSWTranslateMessage(Msg))
- return TRUE;
+ if (!GetTopWindow()->Close(!event.CanVeto()))
+ event.Veto(TRUE);
}
- }
-
- // Anyone for a non-translation message? Try youngest descendants first.
- for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
- {
- wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
- if (wnd)
- {
- if (wnd->MSWProcessMessage(Msg))
- return TRUE;
- }
- }
- return FALSE;
}
-void wxApp::OnIdle(wxIdleEvent& event)
-{
- static bool inOnIdle = FALSE;
+// ----------------------------------------------------------------------------
+// miscellaneous
+// ----------------------------------------------------------------------------
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+/* static */
+int wxApp::GetComCtl32Version()
+{
+//FIX ME FOR DIGITALMARS!!
+#if defined(__WXMICROWIN__) || defined(__WXWINCE__) || defined(__DIGITALMARS__)
+ return 0;
+#else
+ // cache the result
+ //
+ // NB: this is MT-ok as in the worst case we'd compute s_verComCtl32 twice,
+ // but as its value should be the same both times it doesn't matter
+ static int s_verComCtl32 = -1;
- inOnIdle = TRUE;
+ if ( s_verComCtl32 == -1 )
+ {
+ // initally assume no comctl32.dll at all
+ s_verComCtl32 = 0;
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ // we're prepared to handle the errors
+ wxLogNull noLog;
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ // do we have it?
+ wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM);
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
-// bool needMore = FALSE;
+ // if so, then we can check for the version
+ if ( dllComCtl32.IsLoaded() )
+ {
+#ifdef DLLVER_PLATFORM_WINDOWS
+ // try to use DllGetVersion() if available in _headers_
+ wxDYNLIB_FUNCTION( DLLGETVERSIONPROC, DllGetVersion, dllComCtl32 );
+ if ( pfnDllGetVersion )
+ {
+ 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;
+ }
+ }
+#endif
- if (needMore)
- event.RequestMore(TRUE);
+ // if DllGetVersion() is unavailable either during compile or
+ // run-time, try to guess the version otherwise
+ if ( !s_verComCtl32 )
+ {
+ // InitCommonControlsEx is unique to 4.70 and later
+ void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx"));
+ if ( !pfn )
+ {
+ // not found, must be 4.00
+ s_verComCtl32 = 400;
+ }
+ else // 4.70+
+ {
+ // 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;
+ }
+ }
+ }
+ }
+ }
- inOnIdle = FALSE;
+ return s_verComCtl32;
+#endif // Microwin/!Microwin
}
-// Send idle event to all top-level windows
-bool wxApp::SendIdleEvents()
-{
- bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
-
- node = node->Next();
- }
- return needMore;
-}
+// Yield to incoming messages
-// Send idle event to window and all subwindows
-bool wxApp::SendIdleEvents(wxWindow* win)
+bool wxApp::Yield(bool onlyIfNeeded)
{
- bool needMore = FALSE;
+ // MT-FIXME
+ static bool s_inYield = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+#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();
+#endif // wxUSE_LOG
- if (event.MoreRequested())
- needMore = TRUE;
+ if ( s_inYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ return FALSE;
+ }
- node = node->Next();
- }
- return needMore ;
-}
+ s_inYield = TRUE;
-void wxApp::DeletePendingObjects()
-{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
+ // we don't want to process WM_QUIT from here - it should be processed in
+ // the main event loop in order to stop it
+ MSG msg;
+ while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
+ msg.message != WM_QUIT )
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
- delete obj;
+ if ( !wxTheApp->Dispatch() )
+ break;
+ }
- if (wxPendingDelete.Member(obj))
- delete node;
+ // if there are pending events, we must process them.
+ ProcessPendingEvents();
- // Deleting one object may have deleted other pending
- // objects, so start from beginning of list again.
- node = wxPendingDelete.First();
- }
-}
+#if wxUSE_LOG
+ // let the logs be flashed again
+ wxLog::Resume();
+#endif // wxUSE_LOG
-wxLog* wxApp::CreateLogTarget()
-{
- return new wxLogGui;
-}
+ s_inYield = FALSE;
-wxWindow* wxApp::GetTopWindow() const
-{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
- else
- return NULL;
+ return TRUE;
}
-int wxApp::GetComCtl32Version() const
-{
- // have we loaded COMCTL32 yet?
- HMODULE theModule = ::GetModuleHandle("COMCTL32");
- int version = 0;
+#if wxUSE_EXCEPTIONS
- // if so, then we can check for the version
- if (theModule)
- {
- // InitCommonControlsEx is unique to 4.7 and later
- FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
+// ----------------------------------------------------------------------------
+// exception handling
+// ----------------------------------------------------------------------------
- if (! theProc)
- { // not found, must be 4.00
- version = 400;
- }
- else
- {
- // The following symbol are unique to 4.71
- // DllInstall
- // FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
- // FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
- // FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
- // FlatSB_ShowScrollBar
- // _DrawIndirectImageList _DuplicateImageList
- // InitializeFlatSB
- // UninitializeFlatSB
- // we could check for any of these - I chose DllInstall
- FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
- if (! theProc)
- {
- // not found, must be 4.70
- version = 470;
- }
- else
- { // found, must be 4.71
- version = 471;
- }
- }
- }
- return version;
-}
-
-void wxExit()
+bool wxApp::OnExceptionInMainLoop()
{
- wxApp::CleanUp();
- FatalAppExit(0, "Fatal error: exiting");
-}
+ // ask the user about what to do: use the Win32 API function here as it
+ // could be dangerous to use any wxWindows code in this state
+ switch (
+ ::MessageBox
+ (
+ NULL,
+ _T("An unhandled exception occurred. Press \"Abort\" to \
+terminate the program,\r\n\
+\"Retry\" to exit the program normally and \"Ignore\" to try to continue."),
+ _T("Unhandled exception"),
+ MB_ABORTRETRYIGNORE |
+ MB_ICONERROR|
+ MB_TASKMODAL
+ )
+ )
+ {
+ case IDABORT:
+ throw;
-// Yield to incoming messages
-bool wxYield()
-{
- MSG msg;
- // We want to go back to the main message loop
- // if we see a WM_QUIT. (?)
- while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
- {
- if (!wxTheApp->DoMessage())
- break;
- }
-
- return TRUE;
-}
+ default:
+ wxFAIL_MSG( _T("unexpected MessageBox() return code") );
+ // fall through
-HINSTANCE wxGetInstance()
-{
- return wxhInstance;
+ case IDRETRY:
+ return false;
+
+ case IDIGNORE:
+ return true;
+ }
}
-// For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
-// if in a separate file. So include it here to ensure it's linked.
-#if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
- #include "main.cpp"
-#endif
+#endif // wxUSE_EXCEPTIONS
projects / wxWidgets.git / blobdiff