X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6a370f427a1c7ac3ca7b6b7ff8a29c3fc8734fcd..b585338405953c14fa2b85d55673dac20f831d5e:/include/wx/app.h

diff --git a/include/wx/app.h b/include/wx/app.h
index b3715a2c8a..8f631cccf2 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
@@ -31,6 +31,8 @@
     typedef wxObject* (*wxAppInitializerFunction)();
 #endif
 
+class WXDLLEXPORT wxCmdLineParser;
+
 // ----------------------------------------------------------------------------
 // headers we have to include here
 // ----------------------------------------------------------------------------
@@ -38,7 +40,7 @@
 #include "wx/event.h"       // for the base class
 
 #if wxUSE_GUI
-    #include "wx/window.h"      // for wxTopLevelWindows
+    #include "wx/window.h"  // for wxTopLevelWindows
 #endif // wxUSE_GUI
 
 #if wxUSE_LOG
@@ -52,6 +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. An instance of it is returned by virtual wxApp::GetDisplayMode.
+class WXDLLEXPORT wxDisplayModeInfo
+{
+public:
+    wxDisplayModeInfo() : m_ok(FALSE) {}
+    wxDisplayModeInfo(const wxSize& size, unsigned depth) 
+        : m_size(size), m_depth(depth), m_ok(TRUE) {}
+    
+    const wxSize& GetScreenSize() const { return m_size; }
+    unsigned GetDepth() const { return m_depth; }
+    bool IsOk() const { return m_ok; }
+
+private:
+    wxSize   m_size;
+    unsigned m_depth;
+    bool     m_ok;
+};
+#endif
+
 // ----------------------------------------------------------------------------
 // the common part of wxApp implementations for all platforms
 // ----------------------------------------------------------------------------
@@ -59,6 +87,8 @@ static const int wxPRINT_POSTSCRIPT = 2;
 class WXDLLEXPORT wxAppBase : public wxEvtHandler
 {
 public:
+    wxAppBase();
+
     // the virtual functions which may/must be overridden in the derived class
     // -----------------------------------------------------------------------
 
@@ -67,18 +97,14 @@ public:
         // the top level program window and return TRUE.
         //
         // Override: always in GUI application, rarely in console ones.
-#if wxUSE_GUI
-    virtual bool OnInit() { return FALSE; };
-#else // !GUI
-    virtual bool OnInit() { return TRUE; };
-#endif // wxUSE_GUI
+    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
@@ -132,6 +158,17 @@ public:
         // process the first event in the event queue (blocks until an event
         // 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
@@ -163,13 +200,16 @@ public:
     // 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;
@@ -189,6 +229,34 @@ public:
 
 #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
     // -------------------------------------
 
@@ -198,11 +266,11 @@ public:
         // object) - this log object is used by default by all wxLogXXX()
         // functions.
     virtual wxLog *CreateLogTarget()
-#if wxUSE_GUI
-        { return new wxLogGui; }
-#else // !GUI
-        { return new wxLogStderr; }
-#endif // wxUSE_GUI
+        #if wxUSE_GUI && wxUSE_LOGGUI && !defined(__WXMICROWIN__)
+            { return new wxLogGui; }
+        #else // !GUI
+            { return new wxLogStderr; }
+        #endif // wxUSE_GUI
 #endif // wxUSE_LOG
 
 #if wxUSE_GUI
@@ -211,18 +279,42 @@ public:
         // wxICON_XXX values
     virtual wxIcon GetStdIcon(int which) const = 0;
 
+        // get display mode to use. This is only used in framebuffer wxWin ports
+        // (such as wxMGL). This method is called early in wxWin initialization
+        // process and is supposed to be overriden in derived classes.
+    virtual wxDisplayModeInfo GetDisplayMode() const { return wxDisplayModeInfo(); }
+
         // VZ: what does this do exactly?
     void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
     bool GetWantDebugOutput() const { return m_wantDebugOutput; }
 
+        // 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.
         //
         // default behaviour is the normal one for Unix: always use PostScript
         // printing.
     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__
+
     // implementation only from now on
     // -------------------------------
 
@@ -232,6 +324,11 @@ public:
     static wxAppInitializerFunction GetInitializerFunction()
         { return m_appInitFn; }
 
+    // needed to avoid link errors
+#ifdef __DARWIN__
+    virtual ~wxAppBase() { }
+#endif
+
     // process all events in the wxPendingEvents list
     virtual void ProcessPendingEvents();
 
@@ -239,7 +336,6 @@ public:
     int      argc;
     wxChar **argv;
 
-//private:
 protected:
     // function used for dynamic wxApp creation
     static wxAppInitializerFunction m_appInitFn;
@@ -249,15 +345,22 @@ protected:
              m_appName,         // app name
              m_className;       // class name
 
-    // 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;
 
 #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 apps whats to use the best visual on systems where
+    // more than one are available (Sun, SGI, XFree86 4.0 ?)
+    bool m_useBestVisual;
+
+    // does any of our windows has focus?
+    bool m_isActive;
 #endif // wxUSE_GUI
 };
 
@@ -270,8 +373,8 @@ protected:
         #include "wx/msw/app.h"
     #elif defined(__WXMOTIF__)
         #include "wx/motif/app.h"
-    #elif defined(__WXQT__)
-        #include "wx/qt/app.h"
+    #elif defined(__WXMGL__)
+        #include "wx/mgl/app.h"
     #elif defined(__WXGTK__)
         #include "wx/gtk/app.h"
     #elif defined(__WXMAC__)
@@ -282,7 +385,10 @@ protected:
         #include "wx/stubs/app.h"
     #endif
 #else // !GUI
-    typedef wxAppBase wxApp;
+    // can't use typedef because wxApp forward declared as a class
+    class WXDLLEXPORT wxApp : public wxAppBase
+    {
+    };
 #endif // GUI/!GUI
 
 // ----------------------------------------------------------------------------
@@ -302,30 +408,33 @@ WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
 // event loop related functions only work in GUI programs
 // ------------------------------------------------------
 
-#if wxUSE_GUI
-
 // Force an exit from main loop
 extern void WXDLLEXPORT wxExit();
 
 // Yield to other apps/messages
 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 WXDLLEXPORT wxPostEvent(wxEvtHandler *dest, wxEvent& event)
+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_NOGUI
+#if !wxUSE_GUI
 
 // initialize the library (may be called as many times as needed, but each
 // call to wxInitialize() must be matched by wxUninitialize())
@@ -335,7 +444,28 @@ extern bool WXDLLEXPORT wxInitialize();
 // wxUninitialize()
 extern void WXDLLEXPORT wxUninitialize();
 
-#endif // wxUSE_NOGUI
+// 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
@@ -356,41 +486,68 @@ public:
 // be in your main program (e.g. hello.cpp). Now IMPLEMENT_APP should add this
 // code if required.
 
-#if defined(__AIX__) || defined(__HPUX__) || defined( __VMS__ )
+#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