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wxBase/GUI separation: 1st step, wxMSW should build, all the rest is broken

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-06-24 00:56:19 +00:00
parent 433f5675a9
commit e2478fde62
64 changed files with 7364 additions and 3583 deletions
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440
include/wx/app.h
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@@ -27,13 +27,10 @@
#include "wx/window.h" // for wxTopLevelWindows
#endif // wxUSE_GUI
#if WXWIN_COMPATIBILITY_2_2
#include "wx/icon.h"
#endif
#include "wx/build.h"
class WXDLLEXPORT wxApp;
class WXDLLEXPORT wxAppTraits;
class WXDLLEXPORT wxCmdLineParser;
class WXDLLEXPORT wxLog;
class WXDLLEXPORT wxMessageOutput;
@@ -49,8 +46,11 @@ typedef wxApp* (*wxAppInitializerFunction)();
// constants
// ----------------------------------------------------------------------------
static const int wxPRINT_WINDOWS = 1;
static const int wxPRINT_POSTSCRIPT = 2;
enum
{
wxPRINT_WINDOWS = 1,
wxPRINT_POSTSCRIPT = 2
};
// ----------------------------------------------------------------------------
// support for framebuffer ports
@@ -76,16 +76,222 @@ private:
unsigned m_width, m_height, m_depth;
bool m_ok;
};
#endif
#endif // wxUSE_GUI
// ----------------------------------------------------------------------------
// the common part of wxApp implementations for all platforms
// wxAppConsole: wxApp for non-GUI applications
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxAppBase : public wxEvtHandler
class WXDLLEXPORT wxAppConsole : public wxEvtHandler
{
DECLARE_NO_COPY_CLASS(wxAppBase)
public:
// ctor and dtor
wxAppConsole();
virtual ~wxAppConsole();
// the virtual functions which may/must be overridden in the derived class
// -----------------------------------------------------------------------
// Called before OnRun(), this is a good place to do initialization -- if
// anything fails, return false from here to prevent the program from
// continuing. The command line is normally parsed here, call the base
// class OnInit() to do it.
virtual bool OnInit();
// This is the replacement for the normal main(): all program work should
// be done here. When OnRun() returns, the programs starts shutting down.
virtual int OnRun() = 0;
// This is only called if OnInit() returned true so it's a good place to do
// any cleanup matching the initializations done there.
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
// overridden if you wish to react somehow in non-default way (core dump
// under Unix, application crash under Windows) to fatal program errors,
// however extreme care should be taken if you don't want this function to
// crash.
virtual void OnFatalException() { }
// Called from wxExit() function, should terminate the application a.s.a.p.
virtual void Exit();
// application info: name, description, vendor
// -------------------------------------------
// NB: all these should be set by the application itself, there are no
// reasonable default except for the application name which is taken to
// be argv[0]
// set/get the application name
wxString GetAppName() const
{
return m_appName.empty() ? m_className : m_appName;
}
void SetAppName(const wxString& name) { m_appName = name; }
// set/get the app class name
wxString GetClassName() const { return m_className; }
void SetClassName(const wxString& name) { m_className = name; }
// set/get the vendor name
const wxString& GetVendorName() const { return m_vendorName; }
void SetVendorName(const wxString& name) { m_vendorName = name; }
// 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
// -------------------------------------
// create the app traits object to which we delegate for everything which
// either should be configurable by the user (then he can change the
// default behaviour simply by overriding CreateTraits() and returning his
// own traits object) or which is GUI/console dependent as then wxAppTraits
// allows us to abstract the differences behind the common fa<66>ade
wxAppTraits *GetTraits();
// the functions below shouldn't be used now that we have wxAppTraits
#if WXWIN_COMPATIBILITY_2_4
#if wxUSE_LOG
// override this function to create default log target of arbitrary
// user-defined class (default implementation creates a wxLogGui
// object) -- this log object is used by default by all wxLogXXX()
// functions.
virtual wxLog *CreateLogTarget();
#endif // wxUSE_LOG
// similar to CreateLogTarget() but for the global wxMessageOutput
// object
virtual wxMessageOutput *CreateMessageOutput();
#endif // WXWIN_COMPATIBILITY_2_4
// event processing functions
// --------------------------
// this method allows to filter all the events processed by the program, so
// you should try to return quickly from it to avoid slowing down the
// program to the crawl
//
// return value should be -1 to continue with the normal event processing,
// or TRUE or FALSE to stop further processing and pretend that the event
// had been already processed or won't be processed at all, respectively
virtual int FilterEvent(wxEvent& event);
// process all events in the wxPendingEvents list -- it is necessary to
// call this function to process posted events. This happens during each
// event loop iteration in GUI mode but if there is no main loop, it may be
// also called directly.
virtual void ProcessPendingEvents();
// doesn't do anything in this class, just a hook for GUI wxApp
virtual bool Yield(bool WXUNUSED(onlyIfNeeded) = false) { return true; }
// make sure that idle events are sent again
virtual void WakeUpIdle() { }
// 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)
//
// the arguments are the place where the assert occured, the text of the
// assert itself and the user-specified message
#ifdef __WXDEBUG__
virtual void OnAssert(const wxChar *file,
int line,
const wxChar *cond,
const wxChar *msg);
#endif // __WXDEBUG__
// check that the wxBuildOptions object (constructed in the application
// itself, usually the one from IMPLEMENT_APP() macro) matches the build
// options of the library and abort if it doesn't
static bool CheckBuildOptions(const wxBuildOptions& buildOptions);
// implementation only from now on
// -------------------------------
// helpers for dynamic wxApp construction
static void SetInitializerFunction(wxAppInitializerFunction fn)
{ ms_appInitFn = fn; }
static wxAppInitializerFunction GetInitializerFunction()
{ return ms_appInitFn; }
// command line arguments (public for backwards compatibility)
int argc;
wxChar **argv;
protected:
// the function which creates the traits object when GetTraits() needs it
// for the first time
virtual wxAppTraits *CreateTraits();
// function used for dynamic wxApp creation
static wxAppInitializerFunction ms_appInitFn;
// application info (must be set from the user code)
wxString m_vendorName, // vendor name (ACME Inc)
m_appName, // app name
m_className; // class name
// the class defining the application behaviour, NULL initially and created
// by GetTraits() when first needed
wxAppTraits *m_traits;
// the application object is a singleton anyhow, there is no sense in
// copying it
DECLARE_NO_COPY_CLASS(wxAppConsole)
};
// ----------------------------------------------------------------------------
// wxAppBase: the common part of wxApp implementations for all platforms
// ----------------------------------------------------------------------------
#if wxUSE_GUI
class WXDLLEXPORT wxAppBase : public wxAppConsole
{
public:
wxAppBase();
virtual ~wxAppBase();
@@ -93,20 +299,11 @@ public:
// the virtual functions which may/must be overridden in the derived class
// -----------------------------------------------------------------------
// called during the program initialization, returning FALSE from here
// prevents the program from continuing - it's a good place to create
// the top level program window and return TRUE.
//
// 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();
#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
@@ -115,34 +312,15 @@ public:
// of the program really starts here
//
// Override: rarely in GUI applications, always in console ones.
#if wxUSE_GUI
virtual int OnRun();
#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
// want to return some non-default exit code - this is just the return
// value of this method.
//
// Override: often.
virtual int OnExit();
// exit the main loop thus terminating the application
virtual void Exit();
// called when a fatal exception occurs, this function should take care
// not to do anything which might provoke a nested exception! It may be
// overridden if you wish to react somehow in non-default way (core
// dump under Unix, application crash under Windows) to fatal program
// errors, however extreme care should be taken if you don't want this
// function to crash.
//
// Override: rarely.
virtual void OnFatalException() { }
// 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;
@@ -177,34 +355,8 @@ public:
//
// it should return TRUE if more idle events are needed, FALSE if not
virtual bool ProcessIdle() = 0;
#endif // wxUSE_GUI
// application info: name, description, vendor
// -------------------------------------------
// NB: all these should be set by the application itself, there are no
// reasonable default except for the application name which is taken to
// be argv[0]
// set/get the application name
wxString GetAppName() const
{
if ( !m_appName )
return m_className;
else
return m_appName;
}
void SetAppName(const wxString& name) { m_appName = name; }
// set/get the app class name
wxString GetClassName() const { return m_className; }
void SetClassName(const wxString& name) { m_className = name; }
// set/get the vendor name
const wxString& GetVendorName() const { return m_vendorName; }
void SetVendorName(const wxString& name) { m_vendorName = name; }
#if wxUSE_GUI
// top level window functions
// --------------------------
@@ -237,65 +389,16 @@ public:
bool GetExitOnFrameDelete() const
{ return m_exitOnFrameDelete == Yes; }
#endif // wxUSE_GUI
// cmd line parsing stuff
// ----------------------
// display mode, visual, printing mode, ...
// ------------------------------------------------------------------------
// 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
// -------------------------------------
#if wxUSE_LOG
// override this function to create default log target of arbitrary
// user-defined class (default implementation creates a wxLogGui
// object) - this log object is used by default by all wxLogXXX()
// functions.
virtual wxLog *CreateLogTarget();
#endif // wxUSE_LOG
// similar to CreateLogTarget() but for the global wxMessageOutput
// object
virtual wxMessageOutput *CreateMessageOutput();
#if wxUSE_GUI
#if WXWIN_COMPATIBILITY_2_2
// 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 WXUNUSED(which)) const { return wxNullIcon; }
#endif
// Get display mode that is used use. This is only used in framebuffer wxWin ports
// (such as wxMGL).
// 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
// 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)
@@ -309,81 +412,22 @@ public:
virtual void SetPrintMode(int WXUNUSED(mode)) { }
int GetPrintMode() const { return wxPRINT_POSTSCRIPT; }
// miscellaneous other stuff
// ------------------------------------------------------------------------
// 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
// this method allows to filter all the events processed by the program, so
// you should try to return quickly from it to avoid slowing down the
// program to the crawl
//
// return value should be -1 to continue with the normal event processing,
// or TRUE or FALSE to stop further processing and pretend that the event
// had been already processed or won't be processed at all, respectively
virtual int FilterEvent(wxEvent& event);
// 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)
//
// the arguments are the place where the assert occured, the text of the
// assert itself and the user-specified message
#ifdef __WXDEBUG__
virtual void OnAssert(const wxChar *file,
int line,
const wxChar *cond,
const wxChar *msg);
#endif // __WXDEBUG__
// check that the wxBuildOptions object (constructed in the application
// itself, usually the one from IMPLEMENT_APP() macro) matches the build
// options of the library and abort if it doesn't
static bool CheckBuildOptions(const wxBuildOptions& buildOptions);
// 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
// -------------------------------
// helpers for dynamic wxApp construction
static void SetInitializerFunction(wxAppInitializerFunction fn)
{ m_appInitFn = fn; }
static wxAppInitializerFunction GetInitializerFunction()
{ return m_appInitFn; }
// process all events in the wxPendingEvents list
virtual void ProcessPendingEvents();
// access to the command line arguments
int argc;
wxChar **argv;
protected:
// function used for dynamic wxApp creation
static wxAppInitializerFunction m_appInitFn;
// override base class method to use GUI traits
virtual wxAppTraits *CreateTraits();
// application info (must be set from the user code)
wxString m_vendorName, // vendor name (ACME Inc)
m_appName, // app name
m_className; // class name
#if wxUSE_GUI
// the main top level window - may be NULL
// the main top level window (may be NULL)
wxWindow *m_topWindow;
// if Yes, exit the main loop when the last top level window is deleted, if
@@ -403,9 +447,13 @@ protected:
// does any of our windows has focus?
bool m_isActive;
#endif // wxUSE_GUI
DECLARE_NO_COPY_CLASS(wxAppBase)
};
#endif // wxUSE_GUI
// ----------------------------------------------------------------------------
// now include the declaration of the real class
// ----------------------------------------------------------------------------
@@ -430,7 +478,7 @@ protected:
#endif
#else // !GUI
// can't use typedef because wxApp forward declared as a class
class WXDLLEXPORT wxApp : public wxAppBase
class WXDLLEXPORT wxApp : public wxAppConsole
{
};
#endif // GUI/!GUI
@@ -461,18 +509,6 @@ 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