0e1f8ea4a3
The company behind MGL toolkit (SciTech) doesn't exist since several years and this port is not used by anybody, so remove it to ease maintenance burden. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70353 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
488 lines
13 KiB
C++
488 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/common/appcmn.cpp
|
|
// Purpose: wxAppBase methods common to all platforms
|
|
// Author: Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 18.10.99
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Vadim Zeitlin
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// ============================================================================
|
|
// declarations
|
|
// ============================================================================
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// headers
|
|
// ---------------------------------------------------------------------------
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#if defined(__BORLANDC__)
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/app.h"
|
|
#include "wx/window.h"
|
|
#include "wx/bitmap.h"
|
|
#include "wx/log.h"
|
|
#include "wx/msgdlg.h"
|
|
#include "wx/confbase.h"
|
|
#include "wx/utils.h"
|
|
#include "wx/wxcrtvararg.h"
|
|
#endif
|
|
|
|
#include "wx/apptrait.h"
|
|
#include "wx/cmdline.h"
|
|
#include "wx/msgout.h"
|
|
#include "wx/thread.h"
|
|
#include "wx/vidmode.h"
|
|
#include "wx/evtloop.h"
|
|
|
|
#if wxUSE_FONTMAP
|
|
#include "wx/fontmap.h"
|
|
#endif // wxUSE_FONTMAP
|
|
|
|
// DLL options compatibility check:
|
|
#include "wx/build.h"
|
|
WX_CHECK_BUILD_OPTIONS("wxCore")
|
|
|
|
// ============================================================================
|
|
// wxAppBase implementation
|
|
// ============================================================================
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// initialization
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxAppBase::wxAppBase()
|
|
{
|
|
m_topWindow = NULL;
|
|
|
|
m_useBestVisual = false;
|
|
m_forceTrueColour = false;
|
|
|
|
m_isActive = true;
|
|
|
|
// We don't want to exit the app if the user code shows a dialog from its
|
|
// OnInit() -- but this is what would happen if we set m_exitOnFrameDelete
|
|
// to Yes initially as this dialog would be the last top level window.
|
|
// OTOH, if we set it to No initially we'll have to overwrite it with Yes
|
|
// when we enter our OnRun() because we do want the default behaviour from
|
|
// then on. But this would be a problem if the user code calls
|
|
// SetExitOnFrameDelete(false) from OnInit().
|
|
//
|
|
// So we use the special "Later" value which is such that
|
|
// GetExitOnFrameDelete() returns false for it but which we know we can
|
|
// safely (i.e. without losing the effect of the users SetExitOnFrameDelete
|
|
// call) overwrite in OnRun()
|
|
m_exitOnFrameDelete = Later;
|
|
}
|
|
|
|
bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig)
|
|
{
|
|
if ( !wxAppConsole::Initialize(argcOrig, argvOrig) )
|
|
return false;
|
|
|
|
wxInitializeStockLists();
|
|
|
|
wxBitmap::InitStandardHandlers();
|
|
|
|
// for compatibility call the old initialization function too
|
|
if ( !OnInitGui() )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// cleanup
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxAppBase::~wxAppBase()
|
|
{
|
|
// this destructor is required for Darwin
|
|
}
|
|
|
|
void wxAppBase::CleanUp()
|
|
{
|
|
// clean up all the pending objects
|
|
DeletePendingObjects();
|
|
|
|
// and any remaining TLWs (they remove themselves from wxTopLevelWindows
|
|
// when destroyed, so iterate until none are left)
|
|
while ( !wxTopLevelWindows.empty() )
|
|
{
|
|
// do not use Destroy() here as it only puts the TLW in pending list
|
|
// but we want to delete them now
|
|
delete wxTopLevelWindows.GetFirst()->GetData();
|
|
}
|
|
|
|
// undo everything we did in Initialize() above
|
|
wxBitmap::CleanUpHandlers();
|
|
|
|
wxStockGDI::DeleteAll();
|
|
|
|
wxDeleteStockLists();
|
|
|
|
wxDELETE(wxTheColourDatabase);
|
|
|
|
wxAppConsole::CleanUp();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// various accessors
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxWindow* wxAppBase::GetTopWindow() const
|
|
{
|
|
wxWindow* window = m_topWindow;
|
|
if (window == NULL && wxTopLevelWindows.GetCount() > 0)
|
|
window = wxTopLevelWindows.GetFirst()->GetData();
|
|
return window;
|
|
}
|
|
|
|
wxVideoMode wxAppBase::GetDisplayMode() const
|
|
{
|
|
return wxVideoMode();
|
|
}
|
|
|
|
wxLayoutDirection wxAppBase::GetLayoutDirection() const
|
|
{
|
|
#if wxUSE_INTL
|
|
const wxLocale *const locale = wxGetLocale();
|
|
if ( locale )
|
|
{
|
|
const wxLanguageInfo *const
|
|
info = wxLocale::GetLanguageInfo(locale->GetLanguage());
|
|
|
|
if ( info )
|
|
return info->LayoutDirection;
|
|
}
|
|
#endif // wxUSE_INTL
|
|
|
|
// we don't know
|
|
return wxLayout_Default;
|
|
}
|
|
|
|
#if wxUSE_CMDLINE_PARSER
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// GUI-specific command line options handling
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#define OPTION_THEME "theme"
|
|
#define OPTION_MODE "mode"
|
|
|
|
void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
|
|
{
|
|
// first add the standard non GUI options
|
|
wxAppConsole::OnInitCmdLine(parser);
|
|
|
|
// the standard command line options
|
|
static const wxCmdLineEntryDesc cmdLineGUIDesc[] =
|
|
{
|
|
#ifdef __WXUNIVERSAL__
|
|
{
|
|
wxCMD_LINE_OPTION,
|
|
NULL,
|
|
OPTION_THEME,
|
|
gettext_noop("specify the theme to use"),
|
|
wxCMD_LINE_VAL_STRING,
|
|
0x0
|
|
},
|
|
#endif // __WXUNIVERSAL__
|
|
|
|
#if defined(__WXDFB__)
|
|
// VS: this is not specific to wxDFB, all fullscreen (framebuffer) ports
|
|
// should provide this option. That's why it is in common/appcmn.cpp
|
|
// and not dfb/app.cpp
|
|
{
|
|
wxCMD_LINE_OPTION,
|
|
NULL,
|
|
OPTION_MODE,
|
|
gettext_noop("specify display mode to use (e.g. 640x480-16)"),
|
|
wxCMD_LINE_VAL_STRING,
|
|
0x0
|
|
},
|
|
#endif // __WXDFB__
|
|
|
|
// terminator
|
|
wxCMD_LINE_DESC_END
|
|
};
|
|
|
|
parser.SetDesc(cmdLineGUIDesc);
|
|
}
|
|
|
|
bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
|
|
{
|
|
#ifdef __WXUNIVERSAL__
|
|
wxString themeName;
|
|
if ( parser.Found(OPTION_THEME, &themeName) )
|
|
{
|
|
wxTheme *theme = wxTheme::Create(themeName);
|
|
if ( !theme )
|
|
{
|
|
wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
|
|
return false;
|
|
}
|
|
|
|
// Delete the defaultly created theme and set the new theme.
|
|
delete wxTheme::Get();
|
|
wxTheme::Set(theme);
|
|
}
|
|
#endif // __WXUNIVERSAL__
|
|
|
|
#if defined(__WXDFB__)
|
|
wxString modeDesc;
|
|
if ( parser.Found(OPTION_MODE, &modeDesc) )
|
|
{
|
|
unsigned w, h, bpp;
|
|
if ( wxSscanf(modeDesc.c_str(), wxT("%ux%u-%u"), &w, &h, &bpp) != 3 )
|
|
{
|
|
wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
|
|
return false;
|
|
}
|
|
|
|
if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) )
|
|
return false;
|
|
}
|
|
#endif // __WXDFB__
|
|
|
|
return wxAppConsole::OnCmdLineParsed(parser);
|
|
}
|
|
|
|
#endif // wxUSE_CMDLINE_PARSER
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// OnXXX() hooks
|
|
// ----------------------------------------------------------------------------
|
|
|
|
bool wxAppBase::OnInitGui()
|
|
{
|
|
#ifdef __WXUNIVERSAL__
|
|
if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
|
|
return false;
|
|
#endif // __WXUNIVERSAL__
|
|
|
|
return true;
|
|
}
|
|
|
|
int wxAppBase::OnRun()
|
|
{
|
|
// see the comment in ctor: if the initial value hasn't been changed, use
|
|
// the default Yes from now on
|
|
if ( m_exitOnFrameDelete == Later )
|
|
{
|
|
m_exitOnFrameDelete = Yes;
|
|
}
|
|
//else: it has been changed, assume the user knows what he is doing
|
|
|
|
return wxAppConsole::OnRun();
|
|
}
|
|
|
|
int wxAppBase::OnExit()
|
|
{
|
|
#ifdef __WXUNIVERSAL__
|
|
delete wxTheme::Set(NULL);
|
|
#endif // __WXUNIVERSAL__
|
|
|
|
return wxAppConsole::OnExit();
|
|
}
|
|
|
|
wxAppTraits *wxAppBase::CreateTraits()
|
|
{
|
|
return new wxGUIAppTraits;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// misc
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
|
|
{
|
|
if ( active == m_isActive )
|
|
return;
|
|
|
|
m_isActive = active;
|
|
|
|
wxActivateEvent event(wxEVT_ACTIVATE_APP, active);
|
|
event.SetEventObject(this);
|
|
|
|
(void)ProcessEvent(event);
|
|
}
|
|
|
|
bool wxAppBase::SafeYield(wxWindow *win, bool onlyIfNeeded)
|
|
{
|
|
wxWindowDisabler wd(win);
|
|
|
|
wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
|
|
|
|
return loop && loop->Yield(onlyIfNeeded);
|
|
}
|
|
|
|
bool wxAppBase::SafeYieldFor(wxWindow *win, long eventsToProcess)
|
|
{
|
|
wxWindowDisabler wd(win);
|
|
|
|
wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
|
|
|
|
return loop && loop->YieldFor(eventsToProcess);
|
|
}
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// idle handling
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Returns true if more time is needed.
|
|
bool wxAppBase::ProcessIdle()
|
|
{
|
|
// call the base class version first to send the idle event to wxTheApp
|
|
// itself
|
|
bool needMore = wxAppConsoleBase::ProcessIdle();
|
|
wxIdleEvent event;
|
|
wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
|
|
while (node)
|
|
{
|
|
wxWindow* win = node->GetData();
|
|
|
|
// Don't send idle events to the windows that are about to be destroyed
|
|
// anyhow, this is wasteful and unexpected.
|
|
if ( !wxPendingDelete.Member(win) && win->SendIdleEvents(event) )
|
|
needMore = true;
|
|
node = node->GetNext();
|
|
}
|
|
|
|
wxUpdateUIEvent::ResetUpdateTime();
|
|
|
|
return needMore;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxGUIAppTraitsBase
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if wxUSE_LOG
|
|
|
|
wxLog *wxGUIAppTraitsBase::CreateLogTarget()
|
|
{
|
|
#if wxUSE_LOGGUI
|
|
#ifndef __WXOSX_IPHONE__
|
|
return new wxLogGui;
|
|
#else
|
|
return new wxLogStderr;
|
|
#endif
|
|
#else
|
|
// we must have something!
|
|
return new wxLogStderr;
|
|
#endif
|
|
}
|
|
|
|
#endif // wxUSE_LOG
|
|
|
|
wxMessageOutput *wxGUIAppTraitsBase::CreateMessageOutput()
|
|
{
|
|
// The standard way of printing help on command line arguments (app --help)
|
|
// is (according to common practice):
|
|
// - console apps: to stderr (on any platform)
|
|
// - GUI apps: stderr on Unix platforms (!)
|
|
// stderr if available and message box otherwise on others
|
|
// (currently stderr only Windows if app running from console)
|
|
#ifdef __UNIX__
|
|
return new wxMessageOutputStderr;
|
|
#else // !__UNIX__
|
|
// wxMessageOutputMessageBox doesn't work under Motif
|
|
#ifdef __WXMOTIF__
|
|
return new wxMessageOutputLog;
|
|
#elif wxUSE_MSGDLG
|
|
return new wxMessageOutputBest(wxMSGOUT_PREFER_STDERR);
|
|
#else
|
|
return new wxMessageOutputStderr;
|
|
#endif
|
|
#endif // __UNIX__/!__UNIX__
|
|
}
|
|
|
|
#if wxUSE_FONTMAP
|
|
|
|
wxFontMapper *wxGUIAppTraitsBase::CreateFontMapper()
|
|
{
|
|
return new wxFontMapper;
|
|
}
|
|
|
|
#endif // wxUSE_FONTMAP
|
|
|
|
wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
|
|
{
|
|
// use the default native renderer by default
|
|
return NULL;
|
|
}
|
|
|
|
bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
|
|
{
|
|
#if wxDEBUG_LEVEL
|
|
// under MSW we prefer to use the base class version using ::MessageBox()
|
|
// even if wxMessageBox() is available because it has less chances to
|
|
// double fault our app than our wxMessageBox()
|
|
//
|
|
// under DFB the message dialog is not always functional right now
|
|
//
|
|
// and finally we can't use wxMessageBox() if it wasn't compiled in, of
|
|
// course
|
|
#if !defined(__WXMSW__) && !defined(__WXDFB__) && wxUSE_MSGDLG
|
|
|
|
// we can't (safely) show the GUI dialog from another thread, only do it
|
|
// for the asserts in the main thread
|
|
if ( wxIsMainThread() )
|
|
{
|
|
wxString msgDlg = msg;
|
|
|
|
#if wxUSE_STACKWALKER
|
|
const wxString stackTrace = GetAssertStackTrace();
|
|
if ( !stackTrace.empty() )
|
|
msgDlg << wxT("\n\nCall stack:\n") << stackTrace;
|
|
#endif // wxUSE_STACKWALKER
|
|
|
|
// this message is intentionally not translated -- it is for
|
|
// developpers only
|
|
msgDlg += wxT("\nDo you want to stop the program?\n")
|
|
wxT("You can also choose [Cancel] to suppress ")
|
|
wxT("further warnings.");
|
|
|
|
switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
|
|
wxYES_NO | wxCANCEL | wxICON_STOP ) )
|
|
{
|
|
case wxYES:
|
|
wxTrap();
|
|
break;
|
|
|
|
case wxCANCEL:
|
|
// no more asserts
|
|
return true;
|
|
|
|
//case wxNO: nothing to do
|
|
}
|
|
|
|
return false;
|
|
}
|
|
#endif // wxUSE_MSGDLG
|
|
#endif // wxDEBUG_LEVEL
|
|
|
|
return wxAppTraitsBase::ShowAssertDialog(msg);
|
|
}
|
|
|
|
bool wxGUIAppTraitsBase::HasStderr()
|
|
{
|
|
// we consider that under Unix stderr always goes somewhere, even if the
|
|
// user doesn't always see it under GUI desktops
|
|
#ifdef __UNIX__
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|