// 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
/////////////////////////////////////////////////////////////////////////////
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
#endif
// For compilers that support precompilation, includes "wx.h".
-#define IN_WX_MAIN_CPP
#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"
-#if USE_WX_RESOURCES
-#include "wx/resource.h"
-#endif
-
+#include "wx/msw/private.h"
-#include <string.h>
+#if wxUSE_THREADS
+ #include "wx/thread.h"
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
-#include <commctrl.h>
-#endif
+ // define the array of MSG strutures
+ WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
-extern char *wxBuffer;
-extern char *wxOsVersion;
-extern wxList *wxWinHandleList;
-extern wxList wxPendingDelete;
-extern void wxSetKeyboardHook(bool doIt);
-extern wxCursor *g_globalCursor;
+ #include "wx/arrimpl.cpp"
-HINSTANCE wxhInstance = 0;
-static MSG s_currentMsg;
-wxApp *wxTheApp = NULL;
+ WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
-char wxFrameClassName[] = "wxFrameClass";
-char wxMDIFrameClassName[] = "wxMDIFrameClass";
-char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
-char wxPanelClassName[] = "wxPanelClass";
-char wxCanvasClassName[] = "wxCanvasClass";
+#if wxUSE_TOOLTIPS
+ #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
-HICON wxSTD_FRAME_ICON = NULL;
-HICON wxSTD_MDICHILDFRAME_ICON = NULL;
-HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
+// 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
-HICON wxDEFAULT_FRAME_ICON = NULL;
-HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
-HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
+ #define wxUSE_OLE 0
+#endif // broken compilers
-HBRUSH wxDisableButtonBrush = 0;
+#if wxUSE_OLE
+ #include <ole2.h>
+#endif
-LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+#include <string.h>
+#include <ctype.h>
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))
+ #include <commctrl.h>
#endif
-long wxApp::sm_lastMessageTime = 0;
+// ----------------------------------------------------------------------------
+// conditional compilation
+// ----------------------------------------------------------------------------
+
+// The macro _WIN32_IE is defined by commctrl.h (unless it had already been
+// defined before) and shows us what common control features are available
+// during the compile time (it doesn't mean that they will be available during
+// the run-time, use GetComCtl32Version() to test for them!). The possible
+// values are:
+//
+// 0x0200 for comctl32.dll 4.00 shipped with Win95/NT 4.0
+// 0x0300 4.70 IE 3.x
+// 0x0400 4.71 IE 4.0
+// 0x0401 4.72 IE 4.01 and Win98
+// 0x0500 5.00 IE 5.x and NT 5.0 (Win2000)
+
+#ifndef _WIN32_IE
+ // minimal set of features by default
+ #define _WIN32_IE 0x0200
+#endif
-#ifdef __WIN95__
-static HINSTANCE gs_hRichEdit = NULL;
+#if _WIN32_IE >= 0x0300 && \
+ (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \
+ !defined(__CYGWIN__)
+ #include <shlwapi.h>
#endif
-bool wxApp::Initialize(WXHINSTANCE instance)
-{
- HINSTANCE hInstance = (HINSTANCE) instance;
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
- CommonInit();
+extern wxList WXDLLEXPORT wxPendingDelete;
+#ifndef __WXMICROWIN__
+extern void wxSetKeyboardHook(bool doIt);
+#endif
-#if defined(__WIN95__)
- InitCommonControls();
- gs_hRichEdit = LoadLibrary("RICHED32.DLL");
+MSG s_currentMsg;
- if (gs_hRichEdit == NULL)
- {
- wxMessageBox("Could not initialise Rich Edit DLL");
- }
-#endif
+// 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");
-#if defined(WX_DRAG_DROP)
- // we need to initialize OLE library
- if ( FAILED(::OleInitialize(NULL)) )
- wxFatalError(_("Cannot initialize OLE"));
-#endif
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
-#if CTL3D
- if (!Ctl3dRegister(hInstance))
- wxFatalError("Cannot register CTL3D");
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
- Ctl3dAutoSubclass(hInstance);
-#endif
+LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
- wxSTD_FRAME_ICON = LoadIcon(hInstance, "wxSTD_FRAME");
- wxSTD_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDIPARENTFRAME");
- wxSTD_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDICHILDFRAME");
+// ===========================================================================
+// wxGUIAppTraits implementation
+// ===========================================================================
- wxDEFAULT_FRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_FRAME");
- wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDIPARENTFRAME");
- wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDICHILDFRAME");
+// private class which we use to pass parameters from BeforeChildWaitLoop() to
+// AfterChildWaitLoop()
+struct ChildWaitLoopData
+{
+ ChildWaitLoopData(wxWindowDisabler *wd_, wxWindow *winActive_)
+ {
+ wd = wd_;
+ winActive = winActive_;
+ }
- RegisterWindowClasses();
+ wxWindowDisabler *wd;
+ wxWindow *winActive;
+};
- // Create the brush for disabling bitmap buttons
+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(),
+ -1,
+ _T(""),
+ wxPoint(32600, 32600),
+ wxSize(1, 1),
+ wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR
+ );
+ winActive->Show();
+
+ return new ChildWaitLoopData(wd, winActive);
+}
- LOGBRUSH lb ;
- lb.lbStyle = BS_PATTERN;
- lb.lbHatch = (int)LoadBitmap( hInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
- wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
- ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
+void wxGUIAppTraits::AlwaysYield()
+{
+ wxYield();
+}
-#if USE_PENWINDOWS
- wxRegisterPenWin();
-#endif
+void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
+{
+ wxEndBusyCursor();
- wxWinHandleList = new wxList(wxKEY_INTEGER);
+ const ChildWaitLoopData * const data = (ChildWaitLoopData *)dataOrig;
- // 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
- wxSetKeyboardHook(TRUE);
+ delete data->wd;
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules())
- return FALSE;
- return TRUE;
+ // 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 wxApp::RegisterWindowClasses()
+bool wxGUIAppTraits::DoMessageFromThreadWait()
{
-///////////////////////////////////////////////////////////////////////
-// 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", hInstance );
-#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;
+ return !wxTheApp || wxTheApp->DoMessage();
}
-// Cleans up any wxWindows internal structures left lying around
-void wxApp::CleanUp()
+// ===========================================================================
+// wxApp implementation
+// ===========================================================================
+
+int wxApp::m_nCmdShow = SW_SHOWNORMAL;
+
+// ---------------------------------------------------------------------------
+// wxWin macros
+// ---------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxApp::OnIdle)
+ EVT_END_SESSION(wxApp::OnEndSession)
+ EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+END_EVENT_TABLE()
+
+// class to ensure that wxAppBase::CleanUp() is called if our Initialize()
+// fails
+class wxCallBaseCleanup
{
- wxModule::CleanUpModules();
+public:
+ wxCallBaseCleanup(wxApp *app) : m_app(app) { }
+ ~wxCallBaseCleanup() { if ( m_app ) m_app->wxAppBase::CleanUp(); }
- CommonCleanUp();
+ void Dismiss() { m_app = NULL; }
- wxSetKeyboardHook(FALSE);
+private:
+ wxApp *m_app;
+};
-#ifdef __WIN95__
- if (gs_hRichEdit != NULL)
- FreeLibrary(gs_hRichEdit);
-#endif
+//// Initialize
+bool wxApp::Initialize(int& argc, wxChar **argv)
+{
+ if ( !wxAppBase::Initialize(argc, argv) )
+ return false;
-#if USE_PENWINDOWS
- wxCleanUpPenWin();
-#endif
+ // ensure that base cleanup is done if we return too early
+ wxCallBaseCleanup callBaseCleanup(this);
- 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
+ // 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 )
+ {
+ // 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.\nProgram aborted."),
+ _T("wxWindows Fatal Error"),
+ MB_ICONERROR | MB_OK
+ );
+
+ return FALSE;
+ }
+#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
-#if CTL3D
- Ctl3dUnregister(wxhInstance);
-#endif
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)
+ InitCommonControls();
+#endif // __WIN95__
- if (wxWinHandleList)
- delete wxWinHandleList ;
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP
- // do it as the very last thing because everything else can log messages
- delete wxLog::SetActiveTarget(NULL);
-}
+#ifdef __WIN16__
+ // for OLE, enlarge message queue to be as large as possible
+ int iMsg = 96;
+ while (!SetMessageQueue(iMsg) && (iMsg -= 8))
+ ;
+#endif // Win16
-void wxApp::CommonInit()
-{
-#ifdef __WXMSW__
- wxBuffer = new char[1500];
-#else
- wxBuffer = new char[BUFSIZ + 512];
+#if wxUSE_OLE
+ // we need to initialize OLE library
+ if ( FAILED(::OleInitialize(NULL)) )
+ wxLogError(_("Cannot initialize OLE"));
#endif
- wxClassInfo::InitializeClasses();
+#endif // wxUSE_OLE
-#if USE_RESOURCES
- wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+#if wxUSE_CTL3D
+ if (!Ctl3dRegister(wxhInstance))
+ wxLogError(wxT("Cannot register CTL3D"));
+
+ Ctl3dAutoSubclass(wxhInstance);
+#endif // wxUSE_CTL3D
+
+ RegisterWindowClasses();
+
+#ifndef __WXMICROWIN__
+ // Create the brush for disabling bitmap buttons
+
+ 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
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+#if wxUSE_PENWINDOWS
+ wxRegisterPenWin();
+#endif
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
-#if USE_WX_RESOURCES
- wxInitializeResourceSystem();
+ // This is to foil optimizations in Visual C++ that throw out dummy.obj.
+ // PLEASE DO NOT ALTER THIS.
+#if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL)
+ extern char wxDummyChar;
+ if (wxDummyChar) wxDummyChar++;
#endif
- // For PostScript printing
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
+#ifndef __WXMICROWIN__
+ wxSetKeyboardHook(TRUE);
#endif
- wxBitmap::InitStandardHandlers();
+ callBaseCleanup.Dismiss();
- g_globalCursor = new wxCursor;
+ return true;
}
-void wxApp::CommonCleanUp()
+// ---------------------------------------------------------------------------
+// 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()
{
-#if USE_WX_RESOURCES
- wxCleanUpResourceSystem();
+ WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
-// wxDefaultResourceTable->ClearTable();
-#endif
- // 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;
+ // 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;
- wxDeleteStockObjects() ;
+ // the fields which are common to all classes
+ wndclass.lpfnWndProc = (WNDPROC)wxWndProc;
+ wndclass.hInstance = wxhInstance;
+ wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
- // Destroy all GDI lists, etc.
- delete wxTheBrushList;
- wxTheBrushList = NULL;
+ // Register the frame window class.
+ wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
+ wndclass.lpszClassName = wxCanvasClassName;
+ wndclass.style = styleNormal;
- delete wxThePenList;
- wxThePenList = NULL;
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(frame)"));
+ }
- delete wxTheFontList;
- wxTheFontList = NULL;
+ // "no redraw" frame
+ wndclass.lpszClassName = wxCanvasClassNameNR;
+ wndclass.style = styleNoRedraw;
- delete wxTheBitmapList;
- wxTheBitmapList = NULL;
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw frame)"));
+ }
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
+ // Register the MDI frame window class.
+ wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
+ wndclass.lpszClassName = wxMDIFrameClassName;
+ wndclass.style = styleNormal;
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData(FALSE);
- delete wxThePrintPaperDatabase;
- wxThePrintPaperDatabase = NULL;
-#endif
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(MDI parent)"));
+ }
- wxBitmap::CleanUpHandlers();
+ // "no redraw" MDI frame
+ wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
- delete[] wxBuffer;
- wxBuffer = NULL;
-}
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
+ }
+
+ // Register the MDI child frame window class.
+ wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+ wndclass.lpszClassName = wxMDIChildFrameClassName;
+ wndclass.style = styleNormal;
-#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(MDI child)"));
+ }
-// Main wxWindows entry point
+ // "no redraw" MDI child frame
+ wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
+ wndclass.style = styleNoRedraw;
-int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *m_lpCmdLine,
- int nCmdShow, bool enterLoop)
+ if ( !RegisterClass(&wndclass) )
+ {
+ wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
+ }
+
+ return TRUE;
+}
+
+// ---------------------------------------------------------------------------
+// UnregisterWindowClasses
+// ---------------------------------------------------------------------------
+
+bool wxApp::UnregisterWindowClasses()
{
- wxhInstance = (HINSTANCE) hInstance;
+ bool retval = TRUE;
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+#ifndef __WXMICROWIN__
+ // MDI frame window class.
+ if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(MDI parent)"));
-#if !defined(_WINDLL)
- streambuf* sBuf = new wxDebugStreamBuf;
-#else
- streambuf* sBuf = NULL;
-#endif
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
+ retval = FALSE;
+ }
-#endif
+ // "no redraw" MDI frame
+ if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)"));
- if (!wxApp::Initialize((WXHINSTANCE) wxhInstance))
- return 0;
+ retval = FALSE;
+ }
- // 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;
- }
-
- // Split command line into tokens, as in usual main(argc, argv)
- char **command = new char*[50];
-
- int count = 0;
- char *buf = new char[strlen(m_lpCmdLine) + 1];
-
- // Hangs around until end of app. in case
- // user carries pointers to the tokens
-
- /* Model independent strcpy */
- int i;
- for (i = 0; (buf[i] = m_lpCmdLine[i]) != 0; i++)
- {
- /* loop */;
- }
-
- // Get application name
- char name[200];
- ::GetModuleFileName(wxhInstance, name, 199);
-
- // 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
+ // MDI child frame window class.
+ if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(MDI child)"));
- strcpy(name, wxFileNameFromPath(name));
- wxStripExtension(name);
- wxTheApp->SetAppName(name);
-
- /* Break up string */
- // Treat strings enclosed in double-quotes as single arguments
- char* str = buf;
- while (*str)
- {
- while (*str && *str <= ' ') str++; // skip whitespace
- if (*str == '"')
- {
- str++;
- command[count++] = str;
- while (*str && *str != '"') str++;
- }
- else if (*str)
- {
- command[count++] = str;
- while (*str && *str > ' ') str++;
- }
- if (*str) *str++ = '\0';
- }
- command[count] = NULL; /* argv[] is NULL terminated list! */
-
- wxTheApp->argc = count;
- wxTheApp->argv = command;
- 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() ;
-
- if (!wxTheApp->OnInit())
- {
- wxTheApp->DeletePendingObjects();
- wxTheApp->OnExit();
- wxApp::CleanUp();
-
- delete wxTheApp;
- wxTheApp = NULL;
-
- delete [] buf ;
-
- // TODO: This should really be cleaned up in ~wxApp
- delete [] command[0] ;
- delete [] command ;
- return 0;
- }
-
- if (!enterLoop)
- return 0;
-
- int retValue = 1;
-
-/* New behaviour - leave it to the app to show the top window
- if (wxTheApp->GetTopWindow()) {
- // show the toplevel frame, only if we are not iconized (from MS-Windows)
- if(wxTheApp->GetShowFrameOnInit() && (nCmdShow!=SW_HIDE)) wxTheApp->GetTopWindow()->Show(TRUE);
- }
-*/
-
- retValue = wxTheApp->OnRun();
-
- if (wxTheApp->GetTopWindow())
- {
- // Forcibly delete the window.
- if (wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
- wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog)))
- {
- wxTheApp->GetTopWindow()->Close(TRUE);
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete wxTheApp->GetTopWindow();
- wxTheApp->SetTopWindow(NULL);
- }
- }
-
- wxTheApp->OnExit();
- wxApp::CleanUp();
-
- delete wxTheApp;
- wxTheApp = NULL;
-
- delete [] buf ;
- delete [] command[0] ;
- delete [] command ;
-
-#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);
-#endif
+ retval = FALSE;
+ }
- return retValue;
-}
+ // "no redraw" MDI child frame
+ if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw MDI child)"));
+
+ retval = FALSE;
+ }
+
+ // canvas class name
+ if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(canvas)"));
+
+ retval = FALSE;
+ }
+
+ if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) )
+ {
+ wxLogLastError(wxT("UnregisterClass(no redraw canvas)"));
-#else /* _WINDLL */
+ retval = FALSE;
+ }
+#endif // __WXMICROWIN__
-int wxEntry(WXHINSTANCE hInstance)
+ return retval;
+}
+
+void wxApp::CleanUp()
{
- wxhInstance = (HINSTANCE) hInstance;
- wxApp::Initialize((WXHINSTANCE) wxhInstance);
-
- // 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;
- }
+#ifndef __WXMICROWIN__
+ wxSetKeyboardHook(FALSE);
+#endif
- wxTheApp->argc = 0;
- wxTheApp->argv = NULL;
+#if wxUSE_PENWINDOWS
+ wxCleanUpPenWin();
+#endif
- wxTheApp->OnInitGui();
+ if ( wxDisableButtonBrush )
+ ::DeleteObject( wxDisableButtonBrush );
- wxTheApp->OnInit();
+#if wxUSE_OLE
+ ::OleUninitialize();
+#endif
- if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
- wxTheApp->GetTopWindow()->Show(TRUE);
- }
+ // 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();
- return 1;
+#if wxUSE_CTL3D
+ Ctl3dUnregister(wxhInstance);
+#endif
+
+ delete wxWinHandleHash;
+ wxWinHandleHash = NULL;
+
+ wxAppBase::CleanUp();
}
-#endif // _WINDLL
-// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+// ----------------------------------------------------------------------------
+// wxApp ctor/dtor
+// ----------------------------------------------------------------------------
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
-// work_proc = NULL ;
- m_className = "";
-// m_resourceCollection = TRUE;
-// m_pendingCleanup = FALSE;
- 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()
+{
+ // 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;
}
bool wxApp::Initialized()
{
#ifndef _WINDLL
- if (GetTopWindow())
+ if (GetTopWindow())
+ return TRUE;
+ else
+ return FALSE;
+#else // Assume initialized if DLL (no way of telling)
return TRUE;
- else
- return FALSE;
-#endif
-#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
- return TRUE;
#endif
}
/*
* Get and process a message, returning FALSE if WM_QUIT
- * received.
+ * received (and also set the flag telling the app to exit the main loop)
*
*/
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;
+ BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
+ if ( rc == 0 )
+ {
+ // got WM_QUIT
+ m_keepGoing = FALSE;
+
+ return FALSE;
+ }
+ else if ( rc == -1 )
+ {
+ // should never happen, but let's test for it nevertheless
+ wxLogLastError(wxT("GetMessage"));
+ }
+ else
+ {
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain(),
+ wxT("only the main thread can process Windows messages") );
+
+ static bool s_hadGuiLock = TRUE;
+ static wxMsgArray s_aSavedMessages;
+
+ // if a secondary thread owns is doing GUI calls, save all messages for
+ // later processing - we can't process them right now because it will
+ // lead to recursive library calls (and we're not reentrant)
+ if ( !wxGuiOwnedByMainThread() )
+ {
+ s_hadGuiLock = FALSE;
+
+ // leave out WM_COMMAND messages: too dangerous, sometimes
+ // the message will be processed twice
+ if ( !wxIsWaitingForThread() ||
+ s_currentMsg.message != WM_COMMAND )
+ {
+ s_aSavedMessages.Add(s_currentMsg);
+ }
+
+ return TRUE;
+ }
+ else
+ {
+ // have we just regained the GUI lock? if so, post all of the saved
+ // messages
+ //
+ // FIXME of course, it's not _exactly_ the same as processing the
+ // messages normally - expect some things to break...
+ if ( !s_hadGuiLock )
+ {
+ s_hadGuiLock = TRUE;
+
+ size_t count = s_aSavedMessages.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ MSG& msg = s_aSavedMessages[n];
+
+ DoMessage((WXMSG *)&msg);
+ }
+
+ s_aSavedMessages.Empty();
+ }
+ }
+#endif // wxUSE_THREADS
+
+ // Process the message
+ DoMessage((WXMSG *)&s_currentMsg);
+ }
+
+ return TRUE;
+}
+
+void wxApp::DoMessage(WXMSG *pMsg)
+{
+ if ( !ProcessMessage(pMsg) )
+ {
+ ::TranslateMessage((MSG *)pMsg);
+ ::DispatchMessage((MSG *)pMsg);
+ }
}
/*
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;
+ m_keepGoing = TRUE;
+
+ while ( m_keepGoing )
+ {
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+ while ( !Pending() && ProcessIdle() )
+ ;
+
+ // a message came or no more idle processing to do
+ DoMessage();
+ }
+
+ return s_currentMsg.wParam;
}
// Returns TRUE if more time is needed.
void wxApp::ExitMainLoop()
{
- m_keepGoing = FALSE;
+ // this will set m_keepGoing to FALSE a bit later
+ ::PostQuitMessage(0);
}
bool wxApp::Pending()
{
- return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
+ return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
}
void wxApp::Dispatch()
{
- if (!DoMessage())
- m_keepGoing = FALSE;
+ DoMessage();
}
/*
* the message. Some may have accelerator tables, or have
* MDI complications.
*/
-bool wxApp::ProcessMessage(WXMSG *Msg)
+
+bool wxApp::ProcessMessage(WXMSG *wxmsg)
{
- MSG *msg = (MSG *)Msg;
+ MSG *msg = (MSG *)wxmsg;
+ HWND hwnd = msg->hwnd;
+ wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+
+ // this may happen if the event occured in a standard modeless dialog (the
+ // only example of which I know of is the find/replace dialog) - then call
+ // IsDialogMessage() to make TAB navigation in it work
+ if ( !wndThis )
+ {
+ // we need to find the dialog containing this control as
+ // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
+ // them) if we call it for the control itself
+ while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+ {
+ hwnd = ::GetParent(hwnd);
+ }
- HWND hWnd;
+ return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
+ }
- // 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 wxUSE_TOOLTIPS
+ // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
+ // popup the tooltip bubbles
+ if ( (msg->message == WM_MOUSEMOVE) )
{
- if (wnd->MSWTranslateMessage(Msg))
- return TRUE;
+ wxToolTip *tt = wndThis->GetToolTip();
+ if ( tt )
+ {
+ tt->RelayEvent(wxmsg);
+ }
}
- }
+#endif // wxUSE_TOOLTIPS
- // 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)
+ // allow the window to prevent certain messages from being
+ // translated/processed (this is currently used by wxTextCtrl to always
+ // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
+ if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
{
- if (wnd->MSWProcessMessage(Msg))
- return TRUE;
+ return FALSE;
}
- }
- return FALSE;
-}
-
-void wxApp::OnIdle(wxIdleEvent& event)
-{
- static bool inOnIdle = FALSE;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ // try translations first: the accelerators override everything
+ wxWindow *wnd;
- inOnIdle = TRUE;
+ for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+ {
+ if ( wnd->MSWTranslateMessage(wxmsg))
+ return TRUE;
+
+ // stop at first top level window, i.e. don't try to process the key
+ // strokes originating in a dialog using the accelerators of the parent
+ // frame - this doesn't make much sense
+ if ( wnd->IsTopLevel() )
+ break;
+ }
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ // now try the other hooks (kbd navigation is handled here): we start from
+ // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+ // called above
+ for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
+ {
+ if ( wnd->MSWProcessMessage(wxmsg) )
+ return TRUE;
+ }
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ // no special preprocessing for this message, dispatch it normally
+ return FALSE;
+}
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
-// bool needMore = FALSE;
+// this is a temporary hack and will be replaced by using wxEventLoop in the
+// future
+//
+// it is needed to allow other event loops (currently only one: the modal
+// dialog one) to reset the OnIdle() semaphore because otherwise OnIdle()
+// wouldn't do anything while a modal dialog shown from OnIdle() call is shown.
+bool wxIsInOnIdleFlag = FALSE;
- if (needMore)
- event.RequestMore(TRUE);
+void wxApp::OnIdle(wxIdleEvent& event)
+{
+ // Avoid recursion (via ProcessEvent default case)
+ if ( wxIsInOnIdleFlag )
+ return;
+
+ wxIsInOnIdleFlag = TRUE;
+
+ // If there are pending events, we must process them: pending events
+ // are either events to the threads other than main or events posted
+ // with wxPostEvent() functions
+ // GRG: I have moved this here so that all pending events are processed
+ // before starting to delete any objects. This behaves better (in
+ // particular, wrt wxPostEvent) and is coherent with wxGTK's current
+ // behaviour. Changed Feb/2000 before 2.1.14
+ ProcessPendingEvents();
+
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
+
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+#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
+
+ // Send OnIdle events to all windows
+ if ( SendIdleEvents() )
+ {
+ // SendIdleEvents() returns TRUE if at least one window requested more
+ // idle events
+ event.RequestMore(TRUE);
+ }
- inOnIdle = FALSE;
+ wxIsInOnIdleFlag = FALSE;
}
// 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))
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
+ node = node->GetNext();
+ }
- node = node->Next();
- }
return needMore;
}
// Send idle event to window and all subwindows
bool wxApp::SendIdleEvents(wxWindow* win)
{
- bool needMore = FALSE;
-
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
- if (event.MoreRequested())
- needMore = TRUE;
+ bool needMore = event.MoreRequested();
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+ wxWindowList::Node *node = win->GetChildren().GetFirst();
+ while ( node )
+ {
+ wxWindow *win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
- }
- return needMore ;
-}
-
-void wxApp::DeletePendingObjects()
-{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
-
- if (wxPendingDelete.Member(obj))
- delete node;
+ node = node->GetNext();
+ }
- // Deleting one object may have deleted other pending
- // objects, so start from beginning of list again.
- node = wxPendingDelete.First();
- }
+ return needMore;
}
-/*
-// Free up font objects that are not being used at present.
-bool wxApp::DoResourceCleanup()
+void wxApp::WakeUpIdle()
{
-// wxDebugMsg("ResourceCleanup\n");
-
- if (wxTheFontList)
- {
- wxNode *node = wxTheFontList->First();
- while (node)
- {
- wxGDIObject *obj = (wxGDIObject *)node->Data();
- if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
- {
-// wxDebugMsg("Freeing font %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
- obj->FreeResource();
- }
- node = node->Next();
- }
- }
- if (wxThePenList)
- {
- wxNode *node = wxThePenList->First();
- while (node)
- {
- wxGDIObject *obj = (wxGDIObject *)node->Data();
- if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
- {
-// wxDebugMsg("Freeing pen %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
- obj->FreeResource();
- }
- node = node->Next();
- }
- }
- if (wxTheBrushList)
- {
- wxNode *node = wxTheBrushList->First();
- while (node)
+ // 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 )
{
- wxGDIObject *obj = (wxGDIObject *)node->Data();
- if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
- {
-// wxDebugMsg("Freeing brush %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
- obj->FreeResource();
- }
- node = node->Next();
+ if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
+ {
+ // should never happen
+ wxLogLastError(wxT("PostMessage(WM_NULL)"));
+ }
}
- }
-
- SetPendingCleanup(FALSE);
- return FALSE;
}
-*/
-wxLog* wxApp::CreateLogTarget()
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
{
- return new wxLogGui;
+ if (GetTopWindow())
+ GetTopWindow()->Close(TRUE);
}
-wxWindow* wxApp::GetTopWindow() const
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
- else
- return NULL;
+ if (GetTopWindow())
+ {
+ if (!GetTopWindow()->Close(!event.CanVeto()))
+ event.Veto(TRUE);
+ }
}
-int wxApp::GetComCtl32Version() const
+typedef struct _WXADllVersionInfo
{
- // have we loaded COMCTL32 yet?
- HMODULE theModule = ::GetModuleHandle("COMCTL32");
- int version = 0;
+ DWORD cbSize;
+ DWORD dwMajorVersion; // Major version
+ DWORD dwMinorVersion; // Minor version
+ DWORD dwBuildNumber; // Build number
+ DWORD dwPlatformID; // DLLVER_PLATFORM_*
+} WXADLLVERSIONINFO;
+
+typedef HRESULT (CALLBACK* WXADLLGETVERSIONPROC)(WXADLLVERSIONINFO *);
+
+/* static */
+int wxApp::GetComCtl32Version()
+{
+#ifdef __WXMICROWIN__
+ return 0;
+#else
+ // cache the result
+ static int s_verComCtl32 = -1;
+
+ wxCRIT_SECT_DECLARE(csComCtl32);
+ wxCRIT_SECT_LOCKER(lock, csComCtl32);
- // if so, then we can check for the version
- if (theModule)
+ if ( s_verComCtl32 == -1 )
{
- // InitCommonControlsEx is unique to 4.7 and later
- FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
+ // initally assume no comctl32.dll at all
+ s_verComCtl32 = 0;
- if (! theProc)
- { // not found, must be 4.00
- version = 400;
+ // do we have it?
+ HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32"));
+ BOOL bFreeComCtl32 = FALSE ;
+ if(!hModuleComCtl32)
+ {
+ hModuleComCtl32 = ::LoadLibrary(wxT("COMCTL32.DLL")) ;
+ if(hModuleComCtl32)
+ {
+ bFreeComCtl32 = TRUE ;
+ }
}
- else
+
+ // if so, then we can check for the version
+ if ( hModuleComCtl32 )
+ {
+ // try to use DllGetVersion() if available in _headers_
+ WXADLLGETVERSIONPROC pfnDllGetVersion = (WXADLLGETVERSIONPROC)
+ ::GetProcAddress(hModuleComCtl32, "DllGetVersion");
+ if ( pfnDllGetVersion )
+ {
+ WXADLLVERSIONINFO 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;
+ }
+ }
+ // DllGetVersion() unavailable either during compile or
+ // run-time, try to guess the version otherwise
+ if ( !s_verComCtl32 )
+ {
+ // InitCommonControlsEx is unique to 4.70 and later
+ FARPROC theProc = ::GetProcAddress
+ (
+ hModuleComCtl32,
+ "InitCommonControlsEx"
+ );
+
+ if ( !theProc )
+ {
+ // not found, must be 4.00
+ s_verComCtl32 = 400;
+ }
+ else
+ {
+ // many symbols appeared in comctl32 4.71, could use
+ // any of them except may be DllInstall
+ theProc = ::GetProcAddress
+ (
+ hModuleComCtl32,
+ "InitializeFlatSB"
+ );
+ if ( !theProc )
+ {
+ // not found, must be 4.70
+ s_verComCtl32 = 470;
+ }
+ else
+ {
+ // found, must be 4.71
+ s_verComCtl32 = 471;
+ }
+ }
+ }
+ }
+
+ if(bFreeComCtl32)
{
- // 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;
- }
+ ::FreeLibrary(hModuleComCtl32) ;
}
}
- return version;
-}
-void wxExit()
-{
- wxApp::CleanUp();
- FatalAppExit(0, "Fatal error: exiting");
+ return s_verComCtl32;
+#endif
}
// 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;
-}
-HINSTANCE wxGetInstance()
+bool wxApp::Yield(bool onlyIfNeeded)
{
- return wxhInstance;
-}
+ // MT-FIXME
+ static bool s_inYield = FALSE;
-// 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
+#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
-#undef IN_WX_MAIN_CPP
+ if ( s_inYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+
+ return FALSE;
+ }
+
+ s_inYield = TRUE;
+
+ // 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
+
+ if ( !wxTheApp->DoMessage() )
+ break;
+ }
+
+ // if there are pending events, we must process them.
+ ProcessPendingEvents();
+
+#if wxUSE_LOG
+ // let the logs be flashed again
+ wxLog::Resume();
+#endif // wxUSE_LOG
+
+ s_inYield = FALSE;
+
+ return TRUE;
+}
projects / wxWidgets.git / blobdiff