apply complete transforms (scroll window PrepareDC was not functioning properly)

[wxWidgets.git] / include / wx / app.h

diff --git a/include/wx/app.h b/include/wx/app.h
index 887ddbdaad9a38ba495f24122d998afe47402d6e..2f1ffac900dc0ed5193b14e0310f7019e15e32f5 100644 (file)
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -18,15 +18,9 @@
 // ----------------------------------------------------------------------------
 
 #include "wx/event.h"       // for the base class
 // ----------------------------------------------------------------------------
 
 #include "wx/event.h"       // for the base class

-
-#if wxUSE_GUI
-    #include "wx/window.h"  // for wxTopLevelWindows
-
-    #include "wx/vidmode.h"
-#endif // wxUSE_GUI
-

 #include "wx/build.h"
 #include "wx/init.h"        // we must declare wxEntry()
 #include "wx/build.h"
 #include "wx/init.h"        // we must declare wxEntry()

+#include "wx/intl.h"        // for wxLayoutDirection

 
 class WXDLLIMPEXP_BASE wxAppConsole;
 class WXDLLIMPEXP_BASE wxAppTraits;
 
 class WXDLLIMPEXP_BASE wxAppConsole;
 class WXDLLIMPEXP_BASE wxAppTraits;


@@ -34,14 +28,9 @@ class WXDLLIMPEXP_BASE wxCmdLineParser;
 class WXDLLIMPEXP_BASE wxLog;
 class WXDLLIMPEXP_BASE wxMessageOutput;
 
 class WXDLLIMPEXP_BASE wxLog;
 class WXDLLIMPEXP_BASE wxMessageOutput;
 

-// wxUSE_EVTLOOP_IN_APP is a temporary hack needed until all ports are updated
-// to use wxEventLoop, otherwise we get linking errors on wxMac, it's going to
-// disappear a.s.a.p.
-#ifdef __WXMAC__
-    #define wxUSE_EVTLOOP_IN_APP 0
-#else
-    #define wxUSE_EVTLOOP_IN_APP 1
+#if wxUSE_GUI

     class WXDLLEXPORT wxEventLoop;
     class WXDLLEXPORT wxEventLoop;

+    struct WXDLLIMPEXP_CORE wxVideoMode;

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -116,20 +105,6 @@ public:
     // crash.
     virtual void OnFatalException() { }
 
     // crash.
     virtual void OnFatalException() { }
 

-#if wxUSE_EXCEPTIONS
-    // function called if an uncaught exception is caught inside the main
-    // event loop: it may return true to continue running the event loop or
-    // false to stop it (in the latter case it may rethrow the exception as
-    // well)
-    virtual bool OnExceptionInMainLoop();
-
-    // Called when an unhandled C++ exception occurs inside OnRun(): note that
-    // the exception type is lost by now, so if you really want to handle the
-    // exception you should override OnRun() and put a try/catch around
-    // MainLoop() call there
-    virtual void OnUnhandledException() { }
-#endif // wxUSE_EXCEPTIONS
-

     // Called from wxExit() function, should terminate the application a.s.a.p.
     virtual void Exit();
 
     // Called from wxExit() function, should terminate the application a.s.a.p.
     virtual void Exit();
 


@@ -173,17 +148,17 @@ public:
     // override it!)
     virtual void OnInitCmdLine(wxCmdLineParser& parser);
 
     // override it!)
     virtual void OnInitCmdLine(wxCmdLineParser& parser);
 

-    // called after successfully parsing the command line, return TRUE
-    // to continue and FALSE to exit (don't forget to call the base class
+    // called after successfully parsing the command line, return true
+    // to continue and false to exit (don't forget to call the base class

     // version if you override it!)
     virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
 
     // version if you override it!)
     virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
 

-    // called if "--help" option was specified, return TRUE to continue
-    // and FALSE to exit
+    // 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
     virtual bool OnCmdLineHelp(wxCmdLineParser& parser);
 
     // called if incorrect command line options were given, return

-    // FALSE to abort and TRUE to continue
+    // false to abort and true to continue

     virtual bool OnCmdLineError(wxCmdLineParser& parser);
 #endif // wxUSE_CMDLINE_PARSER
 
     virtual bool OnCmdLineError(wxCmdLineParser& parser);
 #endif // wxUSE_CMDLINE_PARSER
 


@@ -206,12 +181,12 @@ public:
         // user-defined class (default implementation creates a wxLogGui
         // object) -- this log object is used by default by all wxLogXXX()
         // functions.
         // user-defined class (default implementation creates a wxLogGui
         // object) -- this log object is used by default by all wxLogXXX()
         // functions.

-    virtual wxLog *CreateLogTarget();
+    wxDEPRECATED( virtual wxLog *CreateLogTarget() );

 #endif // wxUSE_LOG
 
         // similar to CreateLogTarget() but for the global wxMessageOutput
         // object
 #endif // wxUSE_LOG
 
         // similar to CreateLogTarget() but for the global wxMessageOutput
         // object

-    virtual wxMessageOutput *CreateMessageOutput();
+    wxDEPRECATED( virtual wxMessageOutput *CreateMessageOutput() );

 
 #endif // WXWIN_COMPATIBILITY_2_4
 
 
 #endif // WXWIN_COMPATIBILITY_2_4
 


@@ -237,6 +212,12 @@ public:
     virtual void HandleEvent(wxEvtHandler *handler,
                              wxEventFunction func,
                              wxEvent& event) const;
     virtual void HandleEvent(wxEvtHandler *handler,
                              wxEventFunction func,
                              wxEvent& event) const;

+
+    // Called when an unhandled C++ exception occurs inside OnRun(): note that
+    // the exception type is lost by now, so if you really want to handle the
+    // exception you should override OnRun() and put a try/catch around
+    // MainLoop() call there or use OnExceptionInMainLoop()
+    virtual void OnUnhandledException() { }

 #endif // wxUSE_EXCEPTIONS
 
     // process all events in the wxPendingEvents list -- it is necessary to
 #endif // wxUSE_EXCEPTIONS
 
     // process all events in the wxPendingEvents list -- it is necessary to


@@ -251,17 +232,30 @@ public:
     // make sure that idle events are sent again
     virtual void WakeUpIdle() { }
 
     // make sure that idle events are sent again
     virtual void WakeUpIdle() { }
 

+    // this is just a convenience: by providing its implementation here we
+    // avoid #ifdefs in the code using it
+    static bool IsMainLoopRunning() { return false; }
+

 
     // debugging support
     // -----------------
 
 
     // debugging support
     // -----------------
 

+#ifdef __WXDEBUG__

     // 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)
     //
     // 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)
     //

-    // the arguments are the place where the assert occured, the text of the
+    // the arguments are the location of the failed assert (func may be empty
+    // if the compiler doesn't support C99 __FUNCTION__), the text of the

     // assert itself and the user-specified message
     // assert itself and the user-specified message

-#ifdef __WXDEBUG__
+    virtual void OnAssertFailure(const wxChar *file,
+                                 int line,
+                                 const wxChar *func,
+                                 const wxChar *cond,
+                                 const wxChar *msg);
+
+    // old version of the function without func parameter, for compatibility
+    // only, override OnAssertFailure() in the new code

     virtual void OnAssert(const wxChar *file,
                           int line,
                           const wxChar *cond,
     virtual void OnAssert(const wxChar *file,
                           int line,
                           const wxChar *cond,


@@ -274,10 +268,7 @@ public:
     static bool CheckBuildOptions(const char *optionsSignature,
                                   const char *componentName);
 #if WXWIN_COMPATIBILITY_2_4
     static bool CheckBuildOptions(const char *optionsSignature,
                                   const char *componentName);
 #if WXWIN_COMPATIBILITY_2_4

-    static bool CheckBuildOptions(const wxBuildOptions& buildOptions)
-    {
-        return CheckBuildOptions(buildOptions.m_signature, "your program");
-    }
+    wxDEPRECATED( static bool CheckBuildOptions(const wxBuildOptions& buildOptions) );

 #endif
 
     // implementation only from now on
 #endif
 
     // implementation only from now on


@@ -376,6 +367,14 @@ public:
     // the worker functions - usually not used directly by the user code
     // -----------------------------------------------------------------
 
     // the worker functions - usually not used directly by the user code
     // -----------------------------------------------------------------
 

+        // return true if we're running main loop, i.e. if the events can
+        // (already) be dispatched
+    static bool IsMainLoopRunning()
+    {
+        wxAppBase *app = wx_static_cast(wxAppBase *, GetInstance());
+        return app && app->m_mainLoop != NULL;
+    }
+

         // execute the main GUI loop, the function returns when the loop ends
     virtual int MainLoop();
 
         // execute the main GUI loop, the function returns when the loop ends
     virtual int MainLoop();
 


@@ -386,7 +385,7 @@ public:
         // stop the program immediately!)
     virtual void ExitMainLoop();
 
         // stop the program immediately!)
     virtual void ExitMainLoop();
 

-        // returns TRUE if there are unprocessed events in the event queue
+        // returns true if there are unprocessed events in the event queue

     virtual bool Pending();
 
         // process the first event in the event queue (blocks until an event
     virtual bool Pending();
 
         // process the first event in the event queue (blocks until an event


@@ -398,33 +397,39 @@ public:
         // process all currently pending events right now
         //
         // it is an error to call Yield() recursively unless the value of
         // process all currently pending events right now
         //
         // it is an error to call Yield() recursively unless the value of

-        // onlyIfNeeded is TRUE
+        // 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!
         //
         // 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;
+    virtual bool Yield(bool onlyIfNeeded = false) = 0;

 
         // this virtual function is called in the GUI mode when the application
         // becomes idle and normally just sends wxIdleEvent to all interested
         // parties
         //
 
         // this virtual function is called in the GUI mode when the application
         // becomes idle and normally just sends wxIdleEvent to all interested
         // parties
         //

-        // it should return TRUE if more idle events are needed, FALSE if not
+        // it should return true if more idle events are needed, false if not

     virtual bool ProcessIdle();
 
         // Send idle event to window and all subwindows
     virtual bool ProcessIdle();
 
         // Send idle event to window and all subwindows

-        // Returns TRUE if more idle time is requested.
+        // Returns true if more idle time is requested.

     virtual bool SendIdleEvents(wxWindow* win, wxIdleEvent& event);
 
     virtual bool SendIdleEvents(wxWindow* win, wxIdleEvent& event);
 

-        // Perform standard OnIdle behaviour: call from port's OnIdle
-    void OnIdle(wxIdleEvent& event);
+
+#if wxUSE_EXCEPTIONS
+    // Function called if an uncaught exception is caught inside the main
+    // event loop: it may return true to continue running the event loop or
+    // false to stop it (in the latter case it may rethrow the exception as
+    // well)
+    virtual bool OnExceptionInMainLoop();
+#endif // wxUSE_EXCEPTIONS

 
 
     // top level window functions
     // --------------------------
 
 
 
     // top level window functions
     // --------------------------
 

-        // return TRUE if our app has focus
+        // return true if our app has focus

     virtual bool IsActive() const { return m_isActive; }
 
         // set the "main" top level window
     virtual bool IsActive() const { return m_isActive; }
 
         // set the "main" top level window


@@ -433,20 +438,12 @@ public:
         // 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)
         // 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)

-    virtual wxWindow *GetTopWindow() const
-    {
-        if (m_topWindow)
-            return m_topWindow;
-        else if (wxTopLevelWindows.GetCount() > 0)
-            return wxTopLevelWindows.GetFirst()->GetData();
-        else
-            return (wxWindow *)NULL;
-    }
+    virtual wxWindow *GetTopWindow() const;

 
         // control the exit behaviour: by default, the program will exit the
         // main loop (and so, usually, terminate) when the last top-level
         // program window is deleted. Beware that if you disable this behaviour
 
         // control the exit behaviour: by default, the program will exit the
         // main loop (and so, usually, terminate) when the last top-level
         // program window is deleted. Beware that if you disable this behaviour

-        // (with SetExitOnFrameDelete(FALSE)), you'll have to call
+        // (with SetExitOnFrameDelete(false)), you'll have to call

         // ExitMainLoop() explicitly from somewhere.
     void SetExitOnFrameDelete(bool flag)
         { m_exitOnFrameDelete = flag ? Yes : No; }
         // ExitMainLoop() explicitly from somewhere.
     void SetExitOnFrameDelete(bool flag)
         { m_exitOnFrameDelete = flag ? Yes : No; }


@@ -458,12 +455,12 @@ public:
     // ------------------------------------------------------------------------
 
         // Get display mode that is used use. This is only used in framebuffer
     // ------------------------------------------------------------------------
 
         // Get display mode that is used use. This is only used in framebuffer

-        // wxWin ports (such as wxMGL).
-    virtual wxVideoMode GetDisplayMode() const { return wxVideoMode(); }
+        // wxWin ports (such as wxMGL or wxDFB).
+    virtual wxVideoMode GetDisplayMode() const;

         // Set display mode to use. This is only used in framebuffer wxWin
         // Set display mode to use. This is only used in framebuffer wxWin

-        // ports (such as wxMGL). This method should be called from
+        // ports (such as wxMGL or wxDFB). This method should be called from

         // wxApp::OnInitGui
         // wxApp::OnInitGui

-    virtual bool SetDisplayMode(const wxVideoMode& WXUNUSED(info)) { return TRUE; }
+    virtual bool SetDisplayMode(const wxVideoMode& WXUNUSED(info)) { return true; }

 
         // set use of best visual flag (see below)
     void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; }
 
         // set use of best visual flag (see below)
     void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; }


@@ -476,6 +473,10 @@ public:
     virtual void SetPrintMode(int WXUNUSED(mode)) { }
     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; }
 
     virtual void SetPrintMode(int WXUNUSED(mode)) { }
     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; }
 

+    // Return the layout direction for the current locale or wxLayout_Default
+    // if it's unknown
+    virtual wxLayoutDirection GetLayoutDirection() const;
+

 
     // command line parsing (GUI-specific)
     // ------------------------------------------------------------------------
 
     // command line parsing (GUI-specific)
     // ------------------------------------------------------------------------


@@ -493,10 +494,15 @@ public:
     // deactivated
     virtual void SetActive(bool isActive, wxWindow *lastFocus);
 
     // deactivated
     virtual void SetActive(bool isActive, wxWindow *lastFocus);
 

+#if WXWIN_COMPATIBILITY_2_6

     // OBSOLETE: don't use, always returns true
     //
     // returns true if the program is successfully initialized
     // OBSOLETE: don't use, always returns true
     //
     // returns true if the program is successfully initialized

-    bool Initialized() { return true; }
+    wxDEPRECATED( bool Initialized() );
+#endif // WXWIN_COMPATIBILITY_2_6
+
+    // perform standard OnIdle behaviour, ensure that this is always called
+    void OnIdle(wxIdleEvent& event);

 
 
 protected:
 
 
 protected:


@@ -507,11 +513,9 @@ protected:
     virtual wxAppTraits *CreateTraits();
 
 
     virtual wxAppTraits *CreateTraits();
 
 

-#if wxUSE_EVTLOOP_IN_APP

     // the main event loop of the application (may be NULL if the loop hasn't
     // been started yet or has already terminated)
     wxEventLoop *m_mainLoop;
     // the main event loop of the application (may be NULL if the loop hasn't
     // been started yet or has already terminated)
     wxEventLoop *m_mainLoop;

-#endif // wxUSE_EVTLOOP_IN_APP

 
     // the main top level window (may be NULL)
     wxWindow *m_topWindow;
 
     // the main top level window (may be NULL)
     wxWindow *m_topWindow;


@@ -527,17 +531,21 @@ protected:
         Yes
     } m_exitOnFrameDelete;
 
         Yes
     } m_exitOnFrameDelete;
 

-    // TRUE if the apps whats to use the best visual on systems where
+    // true if the app wants to use the best visual on systems where

     // more than one are available (Sun, SGI, XFree86 4.0 ?)
     bool m_useBestVisual;
 
     // more than one are available (Sun, SGI, XFree86 4.0 ?)
     bool m_useBestVisual;
 

-    // does any of our windows has focus?
+    // does any of our windows have focus?

     bool m_isActive;
 
 
     DECLARE_NO_COPY_CLASS(wxAppBase)
 };
 
     bool m_isActive;
 
 
     DECLARE_NO_COPY_CLASS(wxAppBase)
 };
 

+#if WXWIN_COMPATIBILITY_2_6
+    inline bool wxAppBase::Initialized() { return true; }
+#endif // WXWIN_COMPATIBILITY_2_6
+

 #endif // wxUSE_GUI
 
 // ----------------------------------------------------------------------------
 #endif // wxUSE_GUI
 
 // ----------------------------------------------------------------------------


@@ -545,14 +553,20 @@ protected:
 // ----------------------------------------------------------------------------
 
 #if wxUSE_GUI
 // ----------------------------------------------------------------------------
 
 #if wxUSE_GUI

-    #if defined(__WXMSW__)
+    #if defined(__WXPALMOS__)
+        #include "wx/palmos/app.h"
+    #elif defined(__WXMSW__)

         #include "wx/msw/app.h"
     #elif defined(__WXMOTIF__)
         #include "wx/motif/app.h"
     #elif defined(__WXMGL__)
         #include "wx/mgl/app.h"
         #include "wx/msw/app.h"
     #elif defined(__WXMOTIF__)
         #include "wx/motif/app.h"
     #elif defined(__WXMGL__)
         #include "wx/mgl/app.h"

-    #elif defined(__WXGTK__)
+    #elif defined(__WXDFB__)
+        #include "wx/dfb/app.h"
+    #elif defined(__WXGTK20__)

         #include "wx/gtk/app.h"
         #include "wx/gtk/app.h"

+    #elif defined(__WXGTK__)
+        #include "wx/gtk1/app.h"

     #elif defined(__WXX11__)
         #include "wx/x11/app.h"
     #elif defined(__WXMAC__)
     #elif defined(__WXX11__)
         #include "wx/x11/app.h"
     #elif defined(__WXMAC__)


@@ -580,7 +594,7 @@ protected:
 //
 // the cast is safe as in GUI build we only use wxApp, not wxAppConsole, and in
 // console mode it does nothing at all
 //
 // the cast is safe as in GUI build we only use wxApp, not wxAppConsole, and in
 // console mode it does nothing at all

-#define wxTheApp ((wxApp *)wxApp::GetInstance())
+#define wxTheApp wx_static_cast(wxApp*, wxApp::GetInstance())

 
 // ----------------------------------------------------------------------------
 // global functions
 
 // ----------------------------------------------------------------------------
 // global functions


@@ -620,7 +634,7 @@ public:
 #define IMPLEMENT_WXWIN_MAIN_CONSOLE \
         int main(int argc, char **argv) { return wxEntry(argc, argv); }
 
 #define IMPLEMENT_WXWIN_MAIN_CONSOLE \
         int main(int argc, char **argv) { return wxEntry(argc, argv); }
 

-// port-specific header could have defined it already in some special wau
+// port-specific header could have defined it already in some special way

 #ifndef IMPLEMENT_WXWIN_MAIN
     #define IMPLEMENT_WXWIN_MAIN IMPLEMENT_WXWIN_MAIN_CONSOLE
 #endif // defined(IMPLEMENT_WXWIN_MAIN)
 #ifndef IMPLEMENT_WXWIN_MAIN
     #define IMPLEMENT_WXWIN_MAIN IMPLEMENT_WXWIN_MAIN_CONSOLE
 #endif // defined(IMPLEMENT_WXWIN_MAIN)


@@ -628,9 +642,12 @@ public:
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
 
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
 

-    #define IMPLEMENT_WX_THEME_SUPPORT \
-        WX_USE_THEME(win32); \
-        WX_USE_THEME(gtk);
+    #ifdef wxUNIV_DEFAULT_THEME
+        #define IMPLEMENT_WX_THEME_SUPPORT \
+            WX_USE_THEME(wxUNIV_DEFAULT_THEME);
+    #else
+        #define IMPLEMENT_WX_THEME_SUPPORT
+    #endif

 #else
     #define IMPLEMENT_WX_THEME_SUPPORT
 #endif
 #else
     #define IMPLEMENT_WX_THEME_SUPPORT
 #endif


@@ -646,7 +663,8 @@ public:
     }                                                                       \
     wxAppInitializer                                                        \
         wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp);        \
     }                                                                       \
     wxAppInitializer                                                        \
         wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp);        \

-    appname& wxGetApp() { return *(appname *)wxTheApp; }
+    DECLARE_APP(appname)                                                    \
+    appname& wxGetApp() { return *wx_static_cast(appname*, wxApp::GetInstance()); }

 
 // Same as IMPLEMENT_APP() normally but doesn't include themes support in
 // wxUniversal builds
 
 // Same as IMPLEMENT_APP() normally but doesn't include themes support in
 // wxUniversal builds


@@ -669,5 +687,12 @@ public:
 // function
 #define DECLARE_APP(appname) extern appname& wxGetApp();
 
 // function
 #define DECLARE_APP(appname) extern appname& wxGetApp();
 

-#endif // _WX_APP_H_BASE_

 
 

+// declare the stuff defined by IMPLEMENT_APP() macro, it's not really needed
+// anywhere else but at the very least it suppresses icc warnings about
+// defining extern symbols without prior declaration, and it shouldn't do any
+// harm
+extern wxAppConsole *wxCreateApp();
+extern wxAppInitializer wxTheAppInitializer;
+
+#endif // _WX_APP_H_BASE_