X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ee31c392ac73dcd67fb25ac368e2ffb7d4c9c0e7..bc55104d9ab0b0b835644f17a152b4fbbfa8c7b9:/include/wx/app.h?ds=sidebyside

diff --git a/include/wx/app.h b/include/wx/app.h
index 52fe9ea5d4..96f284a7e2 100644
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -21,7 +21,7 @@
 // typedefs
 // ----------------------------------------------------------------------------
 
-#ifdef __WXMSW__
+#if (defined(__WXMSW__) && !defined(__WXMICROWIN__)) || defined (__WXPM__)
     class WXDLLEXPORT wxApp;
     typedef wxApp* (*wxAppInitializerFunction)();
 #else
@@ -31,13 +31,17 @@
     typedef wxObject* (*wxAppInitializerFunction)();
 #endif
 
+class WXDLLEXPORT wxCmdLineParser;
+
 // ----------------------------------------------------------------------------
 // headers we have to include here
 // ----------------------------------------------------------------------------
 
 #include "wx/event.h"       // for the base class
 
-#include "wx/window.h"      // for wxTopLevelWindows
+#if wxUSE_GUI
+    #include "wx/window.h"  // for wxTopLevelWindows
+#endif // wxUSE_GUI
 
 #if wxUSE_LOG
     #include "wx/log.h"
@@ -50,6 +54,32 @@
 static const int wxPRINT_WINDOWS = 1;
 static const int wxPRINT_POSTSCRIPT = 2;
 
+// ----------------------------------------------------------------------------
+// support for framebuffer ports
+// ----------------------------------------------------------------------------
+
+#if wxUSE_GUI
+// VS: Fullscreen/framebuffer application needs to choose display mode prior
+//     to wxWindows initialization. This class holds information about display
+//     mode. It is used by  wxApp::Set/GetDisplayMode.
+class WXDLLEXPORT wxDisplayModeInfo
+{
+public:
+    wxDisplayModeInfo() : m_ok(FALSE) {}
+    wxDisplayModeInfo(unsigned width, unsigned height, unsigned depth) 
+        : m_width(width), m_height(height), m_depth(depth), m_ok(TRUE) {}
+    
+    unsigned GetWidth() const { return m_width; }
+    unsigned GetHeight() const { return m_height; }
+    unsigned GetDepth() const { return m_depth; }
+    bool IsOk() const { return m_ok; }
+
+private:
+    unsigned m_width, m_height, m_depth;
+    bool     m_ok;
+};
+#endif
+
 // ----------------------------------------------------------------------------
 // the common part of wxApp implementations for all platforms
 // ----------------------------------------------------------------------------
@@ -57,6 +87,9 @@ static const int wxPRINT_POSTSCRIPT = 2;
 class WXDLLEXPORT wxAppBase : public wxEvtHandler
 {
 public:
+    wxAppBase();
+    virtual ~wxAppBase();
+
     // the virtual functions which may/must be overridden in the derived class
     // -----------------------------------------------------------------------
 
@@ -64,22 +97,29 @@ public:
         // prevents the program from continuing - it's a good place to create
         // the top level program window and return TRUE.
         //
-        // Override: always.
-    virtual bool OnInit() { return FALSE; };
+        // Override: always in GUI application, rarely in console ones.
+    virtual bool OnInit();
 
+#if wxUSE_GUI
         // a platform-dependent version of OnInit(): the code here is likely to
         // depend on the toolkit. default version does nothing.
         //
         // Override: rarely.
-    virtual bool OnInitGui() { return TRUE; }
+    virtual bool OnInitGui();
+#endif // wxUSE_GUI
 
         // called to start program execution - the default version just enters
         // the main GUI loop in which events are received and processed until
         // the last window is not deleted (if GetExitOnFrameDelete) or
-        // ExitMainLoop() is called.
+        // ExitMainLoop() is called. In console mode programs, the execution
+        // of the program really starts here
         //
-        // Override: rarely.
+        // Override: rarely in GUI applications, always in console ones.
+#if wxUSE_GUI
     virtual int OnRun() { return MainLoop(); };
+#else // !GUI
+    virtual int OnRun() = 0;
+#endif // wxUSE_GUI
 
         // called after the main loop termination. This is a good place for
         // cleaning up (it may be too late in dtor) and is also useful if you
@@ -87,7 +127,7 @@ public:
         // value of this method.
         //
         // Override: often.
-    virtual int OnExit() { return 0; }
+    virtual int OnExit();
 
         // called when a fatal exception occurs, this function should take care
         // not to do anything which might provoke a nested exception! It may be
@@ -102,6 +142,7 @@ public:
     // the worker functions - usually not used directly by the user code
     // -----------------------------------------------------------------
 
+#if wxUSE_GUI
         // execute the main GUI loop, the function returns when the loop ends
     virtual int MainLoop() = 0;
 
@@ -119,6 +160,18 @@ public:
         // apperas if there are none currently)
     virtual void Dispatch() = 0;
 
+        // process all currently pending events right now
+        //
+        // it is an error to call Yield() recursively unless the value of
+        // onlyIfNeeded is TRUE
+        //
+        // WARNING: this function is dangerous as it can lead to unexpected
+        //          reentrancies (i.e. when called from an event handler it
+        //          may result in calling the same event handler again), use
+        //          with _extreme_ care or, better, don't use at all!
+    virtual bool Yield(bool onlyIfNeeded = FALSE) = 0;
+#endif // wxUSE_GUI
+
     // application info: name, description, vendor
     // -------------------------------------------
 
@@ -144,16 +197,20 @@ public:
     const wxString& GetVendorName() const { return m_vendorName; }
     void SetVendorName(const wxString& name) { m_vendorName = name; }
 
+#if wxUSE_GUI
     // top level window functions
     // --------------------------
 
+        // return TRUE if our app has focus
+    virtual bool IsActive() const { return m_isActive; }
+
         // set the "main" top level window
     void SetTopWindow(wxWindow *win) { m_topWindow = win; }
 
         // return the "main" top level window (if it hadn't been set previously
         // with SetTopWindow(), will return just some top level window and, if
         // there are none, will return NULL)
-    wxWindow *GetTopWindow() const
+    virtual wxWindow *GetTopWindow() const
     {
         if (m_topWindow)
             return m_topWindow;
@@ -171,6 +228,36 @@ public:
     void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; }
     bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; }
 
+#endif // wxUSE_GUI
+
+    // cmd line parsing stuff
+    // ----------------------
+
+    // all of these methods may be overridden in the derived class to
+    // customize the command line parsing (by default only a few standard
+    // options are handled)
+    //
+    // you also need to call wxApp::OnInit() from YourApp::OnInit() for all
+    // this to work
+
+#if wxUSE_CMDLINE_PARSER
+    // this one is called from OnInit() to add all supported options
+    // to the given parser
+    virtual void OnInitCmdLine(wxCmdLineParser& parser);
+
+    // called after successfully parsing the command line, return TRUE
+    // to continue and FALSE to exit
+    virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
+
+    // called if "--help" option was specified, return TRUE to continue
+    // and FALSE to exit
+    virtual bool OnCmdLineHelp(wxCmdLineParser& parser);
+
+    // called if incorrect command line options were given, return
+    // FALSE to abort and TRUE to continue
+    virtual bool OnCmdLineError(wxCmdLineParser& parser);
+#endif // wxUSE_CMDLINE_PARSER
+
     // miscellaneous customization functions
     // -------------------------------------
 
@@ -179,18 +266,30 @@ public:
         // user-defined class (default implementation creates a wxLogGui
         // object) - this log object is used by default by all wxLogXXX()
         // functions.
-    virtual wxLog *CreateLogTarget() { return new wxLogGui; }
+    virtual wxLog *CreateLogTarget()
+        #if wxUSE_GUI && wxUSE_LOGGUI && !defined(__WXMICROWIN__)
+            { return new wxLogGui; }
+        #else // !GUI
+            { return new wxLogStderr; }
+        #endif // wxUSE_GUI
 #endif // wxUSE_LOG
 
-
+#if wxUSE_GUI
         // get the standard icon used by wxWin dialogs - this allows the user
         // to customize the standard dialogs. The 'which' parameter is one of
         // wxICON_XXX values
     virtual wxIcon GetStdIcon(int which) const = 0;
 
-        // VZ: what does this do exactly?
-    void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
-    bool GetWantDebugOutput() const { return m_wantDebugOutput; }
+        // Get display mode that is used use. This is only used in framebuffer wxWin ports
+        // (such as wxMGL).
+    virtual wxDisplayModeInfo GetDisplayMode() const { return wxDisplayModeInfo(); }
+        // Set display mode to use. This is only used in framebuffer wxWin ports
+        // (such as wxMGL). This method should be called from wxApp:OnInitGui
+    virtual bool SetDisplayMode(const wxDisplayModeInfo& WXUNUSED(info)) { return TRUE; }
+
+        // set use of best visual flag (see below)
+    void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; }
+    bool GetUseBestVisual() const { return m_useBestVisual; }
 
         // set/get printing mode: see wxPRINT_XXX constants.
         //
@@ -199,6 +298,34 @@ public:
     virtual void SetPrintMode(int WXUNUSED(mode)) { }
     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; }
 
+    // called by toolkit-specific code to set the app status: active (we have
+    // focus) or not and also the last window which had focus before we were
+    // deactivated
+    virtual void SetActive(bool isActive, wxWindow *lastFocus);
+#endif // wxUSE_GUI
+
+    // debugging support
+    // -----------------
+
+    // this function is called when an assert failure occurs, the base class
+    // version does the normal processing (i.e. shows the usual assert failure
+    // dialog box)
+#ifdef __WXDEBUG__
+    virtual void OnAssert(const wxChar *file, int line, const wxChar *msg);
+#endif // __WXDEBUG__
+
+    // deprecated functions, please updae your code to not use them!
+    // -------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_2
+    // used by obsolete wxDebugMsg only
+    void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
+    bool GetWantDebugOutput() const { return m_wantDebugOutput; }
+
+    // TRUE if the application wants to get debug output
+    bool m_wantDebugOutput;
+#endif // WXWIN_COMPATIBILITY_2_2
+
     // implementation only from now on
     // -------------------------------
 
@@ -208,11 +335,13 @@ public:
     static wxAppInitializerFunction GetInitializerFunction()
         { return m_appInitFn; }
 
+    // process all events in the wxPendingEvents list
+    virtual void ProcessPendingEvents();
+
     // access to the command line arguments
-    int     argc;
-    char  **argv;
+    int      argc;
+    wxChar **argv;
 
-//private:
 protected:
     // function used for dynamic wxApp creation
     static wxAppInitializerFunction m_appInitFn;
@@ -222,33 +351,50 @@ protected:
              m_appName,         // app name
              m_className;       // class name
 
+#if wxUSE_GUI
+    // the main top level window - may be NULL
+    wxWindow *m_topWindow;
+
     // if TRUE, exit the main loop when the last top level window is deleted
     bool m_exitOnFrameDelete;
 
-    // TRUE if the application wants to get debug output
-    bool m_wantDebugOutput;
+    // TRUE if the apps whats to use the best visual on systems where
+    // more than one are available (Sun, SGI, XFree86 4.0 ?)
+    bool m_useBestVisual;
 
-    // the main top level window - may be NULL
-    wxWindow *m_topWindow;
+    // does any of our windows has focus?
+    bool m_isActive;
+#endif // wxUSE_GUI
 };
 
 // ----------------------------------------------------------------------------
 // now include the declaration of the real class
 // ----------------------------------------------------------------------------
 
-#if defined(__WXMSW__)
-    #include "wx/msw/app.h"
-#elif defined(__WXMOTIF__)
-    #include "wx/motif/app.h"
-#elif defined(__WXQT__)
-    #include "wx/qt/app.h"
-#elif defined(__WXGTK__)
-    #include "wx/gtk/app.h"
-#elif defined(__WXMAC__)
-    #include "wx/mac/app.h"
-#elif defined(__WXSTUBS__)
-    #include "wx/stubs/app.h"
-#endif
+#if wxUSE_GUI
+    #if defined(__WXMSW__)
+        #include "wx/msw/app.h"
+    #elif defined(__WXMOTIF__)
+        #include "wx/motif/app.h"
+    #elif defined(__WXMGL__)
+        #include "wx/mgl/app.h"
+    #elif defined(__WXGTK__)
+        #include "wx/gtk/app.h"
+    #elif defined(__WXX11__)
+        #include "wx/x11/app.h"
+    #elif defined(__WXMAC__)
+        #include "wx/mac/app.h"
+    #elif defined(__WXPM__)
+        #include "wx/os2/app.h"
+    #elif defined(__WXSTUBS__)
+        #include "wx/stubs/app.h"
+    #endif
+#else // !GUI
+    // can't use typedef because wxApp forward declared as a class
+    class WXDLLEXPORT wxApp : public wxAppBase
+    {
+    };
+#endif // GUI/!GUI
 
 // ----------------------------------------------------------------------------
 // the global data
@@ -264,11 +410,67 @@ WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
 // global functions
 // ----------------------------------------------------------------------------
 
+// event loop related functions only work in GUI programs
+// ------------------------------------------------------
+
 // Force an exit from main loop
-void WXDLLEXPORT wxExit();
+extern void WXDLLEXPORT wxExit();
 
 // Yield to other apps/messages
-bool WXDLLEXPORT wxYield();
+extern bool WXDLLEXPORT wxYield();
+
+// Yield to other apps/messages
+extern void WXDLLEXPORT wxWakeUpIdle();
+
+// Post a message to the given eventhandler which will be processed during the
+// next event loop iteration
+inline void wxPostEvent(wxEvtHandler *dest, wxEvent& event)
+{
+    wxCHECK_RET( dest, wxT("need an object to post event to in wxPostEvent") );
+
+#if wxUSE_GUI
+    dest->AddPendingEvent(event);
+#else
+    dest->ProcessEvent(event);
+#endif // wxUSE_GUI
+}
+
+// console applications may avoid using DECLARE_APP and IMPLEMENT_APP macros
+// and call these functions instead at the program startup and termination
+// -------------------------------------------------------------------------
+
+#if !wxUSE_GUI
+
+// initialize the library (may be called as many times as needed, but each
+// call to wxInitialize() must be matched by wxUninitialize())
+extern bool WXDLLEXPORT wxInitialize();
+
+// clean up - the library can't be used any more after the last call to
+// wxUninitialize()
+extern void WXDLLEXPORT wxUninitialize();
+
+// create an object of this class on stack to initialize/cleanup thel ibrary
+// automatically
+class WXDLLEXPORT wxInitializer
+{
+public:
+    // initialize the library
+    wxInitializer() { m_ok = wxInitialize(); }
+
+    // has the initialization been successful? (explicit test)
+    bool IsOk() const { return m_ok; }
+
+    // has the initialization been successful? (implicit test)
+    operator bool() const { return m_ok; }
+
+    // dtor only does clean up if we initialized the library properly
+    ~wxInitializer() { if ( m_ok ) wxUninitialize(); }
+
+private:
+    bool m_ok;
+};
+
+#endif // !wxUSE_GUI
 
 // ----------------------------------------------------------------------------
 // macros for dynamic creation of the application object
@@ -289,41 +491,68 @@ public:
 // be in your main program (e.g. hello.cpp). Now IMPLEMENT_APP should add this
 // code if required.
 
-#if defined(__AIX__) || defined(__HPUX__)
+#if !wxUSE_GUI || defined(__WXMOTIF__) || defined(__WXGTK__) || defined(__WXPM__) || defined(__WXMGL__)
     #define IMPLEMENT_WXWIN_MAIN \
         extern int wxEntry( int argc, char *argv[] ); \
         int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
+#elif defined(__WXMAC__) && defined(__UNIX__)
+    // wxMac seems to have a specific wxEntry prototype
+    #define IMPLEMENT_WXWIN_MAIN \
+        extern int wxEntry( int argc, char *argv[], bool enterLoop = 1 ); \
+        int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
 #elif defined(__WXMSW__) && defined(WXUSINGDLL)
     // NT defines APIENTRY, 3.x not
     #if !defined(WXAPIENTRY)
-        #ifdef __WATCOMC__
-            #define WXAPIENTRY PASCAL
-        #else
-            #define WXAPIENTRY FAR PASCAL
-        #endif
+        #define WXAPIENTRY WXFAR wxSTDCALL
     #endif
 
+    #include <windows.h>
+    #include "wx/msw/winundef.h"
+
     #define IMPLEMENT_WXWIN_MAIN \
-        int WXAPIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,\
-                               LPSTR m_lpCmdLine, int nCmdShow )\
+        extern "C" int WXAPIENTRY WinMain(HINSTANCE hInstance,\
+                                          HINSTANCE hPrevInstance,\
+                                          LPSTR m_lpCmdLine, int nCmdShow)\
         {\
-            return wxEntry((WXHINSTANCE) hInstance, \
+            return wxEntry((WXHINSTANCE) hInstance,\
                            (WXHINSTANCE) hPrevInstance,\
                            m_lpCmdLine, nCmdShow);\
         }
-
 #else
     #define IMPLEMENT_WXWIN_MAIN
 #endif
 
-// use this macro exactly once, the argument is the name of the wxApp-derived
-// class which is the class of your application
-#define IMPLEMENT_APP(appname)                          \
-    wxApp *wxCreateApp() { return new appname; }      \
+#ifdef __WXUNIVERSAL__
+    #include "wx/univ/theme.h"
+
+    #define IMPLEMENT_WX_THEME_SUPPORT \
+        WX_USE_THEME(win32); \
+        WX_USE_THEME(gtk);
+#else
+    #define IMPLEMENT_WX_THEME_SUPPORT
+#endif
+
+// Use this macro if you want to define your own main() or WinMain() function
+// and call wxEntry() from there.
+#define IMPLEMENT_APP_NO_MAIN(appname)                   \
+    wxApp *wxCreateApp() { return new appname; }         \
     wxAppInitializer wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \
-    appname& wxGetApp() { return *(appname *)wxTheApp; } \
+    appname& wxGetApp() { return *(appname *)wxTheApp; }
+
+// Same as IMPLEMENT_APP() normally but doesn't include themes support in
+// wxUniversal builds
+#define IMPLEMENT_APP_NO_THEMES(appname)    \
+    IMPLEMENT_APP_NO_MAIN(appname)          \
     IMPLEMENT_WXWIN_MAIN
 
+// Use this macro exactly once, the argument is the name of the wxApp-derived
+// class which is the class of your application.
+#define IMPLEMENT_APP(appname)              \
+    IMPLEMENT_APP_NO_THEMES(appname)        \
+    IMPLEMENT_WX_THEME_SUPPORT
+
+// this macro can be used multiple times and just allows you to use wxGetApp()
+// function
 #define DECLARE_APP(appname) extern appname& wxGetApp();
 
 #endif