// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "dialog.h"
#endif
#include "wx/msw/private.h"
#include "wx/log.h"
+#include "wx/evtloop.h"
+#include "wx/ptr_scpd.h"
#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__)
#include <commdlg.h>
#endif
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-// default dialog pos and size
-
-#define wxDIALOG_DEFAULT_X 300
-#define wxDIALOG_DEFAULT_Y 300
-
-#define wxDIALOG_DEFAULT_WIDTH 500
-#define wxDIALOG_DEFAULT_HEIGHT 500
-
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
-
-// all modal dialogs currently shown
-static wxWindowList wxModalDialogs;
-
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxDialogStyle )
+
+wxBEGIN_FLAGS( wxDialogStyle )
+ // new style border flags, we put them first to
+ // use them for streaming out
+ wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+ wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+ wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+ wxFLAGS_MEMBER(wxBORDER_RAISED)
+ wxFLAGS_MEMBER(wxBORDER_STATIC)
+ wxFLAGS_MEMBER(wxBORDER_NONE)
+
+ // old style border flags
+ wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+ wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+ wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+ wxFLAGS_MEMBER(wxRAISED_BORDER)
+ wxFLAGS_MEMBER(wxSTATIC_BORDER)
+ wxFLAGS_MEMBER(wxNO_BORDER)
+
+ // standard window styles
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+
+ // dialog styles
+ wxFLAGS_MEMBER(wxWS_EX_VALIDATE_RECURSIVELY)
+ wxFLAGS_MEMBER(wxSTAY_ON_TOP)
+ wxFLAGS_MEMBER(wxCAPTION)
+ wxFLAGS_MEMBER(wxTHICK_FRAME)
+ wxFLAGS_MEMBER(wxSYSTEM_MENU)
+ wxFLAGS_MEMBER(wxRESIZE_BORDER)
+ wxFLAGS_MEMBER(wxRESIZE_BOX)
+ wxFLAGS_MEMBER(wxCLOSE_BOX)
+ wxFLAGS_MEMBER(wxMAXIMIZE_BOX)
+ wxFLAGS_MEMBER(wxMINIMIZE_BOX)
+wxEND_FLAGS( wxDialogStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxDialog, wxTopLevelWindow,"wx/dialog.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxDialog)
+ wxPROPERTY( Title, wxString, SetTitle, GetTitle, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY_FLAGS( WindowStyle , wxDialogStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxDialog)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_6( wxDialog , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
+
+#else
IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
+#endif
BEGIN_EVENT_TABLE(wxDialog, wxDialogBase)
EVT_BUTTON(wxID_OK, wxDialog::OnOK)
EVT_BUTTON(wxID_APPLY, wxDialog::OnApply)
EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel)
- EVT_CHAR_HOOK(wxDialog::OnCharHook)
-
EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged)
EVT_CLOSE(wxDialog::OnCloseWindow)
END_EVENT_TABLE()
+// ----------------------------------------------------------------------------
+// wxDialogModalData
+// ----------------------------------------------------------------------------
+
+// this is simply a container for any data we need to implement modality which
+// allows us to avoid changing wxDialog each time the implementation changes
+class wxDialogModalData
+{
+public:
+ wxDialogModalData(wxDialog *dialog) : m_evtLoop(dialog) { }
+
+ void RunLoop()
+ {
+ m_evtLoop.Run();
+ }
+
+ void ExitLoop()
+ {
+ m_evtLoop.Exit();
+ }
+
+private:
+ wxModalEventLoop m_evtLoop;
+};
+
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData);
+
// ============================================================================
// implementation
// ============================================================================
void wxDialog::Init()
{
m_oldFocus = (wxWindow *)NULL;
-
- m_isShown = FALSE;
-
- m_windowDisabler = (wxWindowDisabler *)NULL;
-
- SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
+ m_isShown = false;
+ m_modalData = NULL;
+ m_endModalCalled = false;
}
bool wxDialog::Create(wxWindow *parent,
long style,
const wxString& name)
{
- Init();
-
SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG);
// save focus before doing anything which can potentially change it
style |= wxTAB_TRAVERSAL;
if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
- return FALSE;
+ return false;
+
+ if ( !m_hasFont )
+ SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
- SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
- return TRUE;
+ return true;
}
-void wxDialog::SetModal(bool flag)
+// deprecated ctor
+wxDialog::wxDialog(wxWindow *parent,
+ const wxString& title,
+ bool WXUNUSED(modal),
+ int x,
+ int y,
+ int w,
+ int h,
+ long style,
+ const wxString& name)
{
- if ( flag )
- {
- m_windowStyle |= wxDIALOG_MODAL;
-
- wxModelessWindows.DeleteObject(this);
- }
- else
- {
- m_windowStyle &= ~wxDIALOG_MODAL;
+ Init();
- wxModelessWindows.Append(this);
- }
+ Create(parent, -1, title, wxPoint(x, y), wxSize(w, h), style, name);
}
-wxDialog::~wxDialog()
+void wxDialog::SetModal(bool WXUNUSED(flag))
{
- m_isBeingDeleted = TRUE;
-
- // this will also reenable all the other windows for a modal dialog
- Show(FALSE);
+ // nothing to do, obsolete method
}
-// ----------------------------------------------------------------------------
-// kbd handling
-// ----------------------------------------------------------------------------
-
-// By default, pressing escape cancels the dialog
-void wxDialog::OnCharHook(wxKeyEvent& event)
+wxDialog::~wxDialog()
{
- if (GetHWND())
- {
- // "Esc" works as an accelerator for the "Cancel" button, but it
- // shouldn't close the dialog which doesn't have any cancel button
- if ( (event.m_keyCode == WXK_ESCAPE) && FindWindow(wxID_CANCEL) )
- {
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
-
- // ensure that there is another message for this window so the
- // ShowModal loop will exit and won't get stuck in GetMessage().
- ::PostMessage(GetHwnd(), WM_NULL, 0, 0);
-
- return;
- }
- }
+ m_isBeingDeleted = true;
- // We didn't process this event.
- event.Skip();
+ // this will also reenable all the other windows for a modal dialog
+ Show(false);
}
// ----------------------------------------------------------------------------
// showing the dialogs
// ----------------------------------------------------------------------------
-bool wxDialog::IsModal() const
-{
- return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
-}
-
bool wxDialog::IsModalShowing() const
{
- return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast
+ return IsModal();
}
-void wxDialog::DoShowModal()
+wxWindow *wxDialog::FindSuitableParent() const
{
- wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") );
- wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") );
-
- wxModalDialogs.Append(this);
-
- wxWindow *parent = GetParent();
-
- wxWindow* oldFocus = m_oldFocus;
-
- // We have to remember the HWND because we need to check
- // the HWND still exists (oldFocus can be garbage when the dialog
- // exits, if it has been destroyed)
- HWND hwndOldFocus = 0;
- if (oldFocus)
- hwndOldFocus = (HWND) oldFocus->GetHWND();
-
- // remember where the focus was
- if ( !oldFocus )
+ // first try to use the currently active window
+ HWND hwndFg = ::GetForegroundWindow();
+ wxWindow *parent = hwndFg ? wxFindWinFromHandle((WXHWND)hwndFg)
+ : NULL;
+ if ( !parent )
{
- oldFocus = parent;
- if ( parent )
- hwndOldFocus = GetHwndOf(parent);
+ // next try the main app window
+ parent = wxTheApp->GetTopWindow();
}
- // disable all other app windows
- wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") );
-
- m_windowDisabler = new wxWindowDisabler(this);
-
- // enter the modal loop
- while ( IsModalShowing() )
+ // finally, check if the parent we found is really suitable
+ if ( !parent || parent == (wxWindow *)this || !parent->IsShown() )
{
-#if wxUSE_THREADS
- wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
-
- while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() )
- ;
-
- // a message came or no more idle processing to do
- wxTheApp->DoMessage();
+ // don't use this one
+ parent = NULL;
}
- // and restore focus
- // Note that this code MUST NOT access the dialog object's data
- // in case the object has been deleted (which will be the case
- // for a modal dialog that has been destroyed before calling EndModal).
- if ( oldFocus && (oldFocus != this) && ::IsWindow(hwndOldFocus))
- {
- // This is likely to prove that the object still exists
- if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus)
- oldFocus->SetFocus();
- }
+ return parent;
}
bool wxDialog::Show(bool show)
{
- if ( !show )
+ if ( show == IsShown() )
+ return false;
+
+ if ( !show && m_modalData )
{
- // if we had disabled other app windows, reenable them back now because
+ // we need to do this before calling wxDialogBase version because if we
+ // had disabled other app windows, they must be reenabled right now as
// if they stay disabled Windows will activate another window (one
- // which is enabled, anyhow) and we will lose activation
- if ( m_windowDisabler )
- {
- delete m_windowDisabler;
- m_windowDisabler = NULL;
- }
+ // which is enabled, anyhow) when we're hidden in the base class Show()
+ // and we will lose activation
+ m_modalData->ExitLoop();
}
- // ShowModal() may be called for already shown dialog
- if ( !wxDialogBase::Show(show) && !(show && IsModal()) )
+ if ( show )
{
- // nothing to do
- return FALSE;
+ // this usually will result in TransferDataToWindow() being called
+ // which will change the controls values so do it before showing as
+ // otherwise we could have some flicker
+ InitDialog();
}
+ wxDialogBase::Show(show);
+
if ( show )
{
- // usually will result in TransferDataToWindow() being called
- InitDialog();
+ // dialogs don't get WM_SIZE message after creation unlike most (all?)
+ // other windows and so could start their life non laid out correctly
+ // if we didn't call Layout() from here
+ //
+ // NB: normally we should call it just the first time but doing it
+ // every time is simpler than keeping a flag
+ Layout();
}
- if ( IsModal() )
+ return true;
+}
+
+void wxDialog::Raise()
+{
+ ::SetForegroundWindow(GetHwnd());
+}
+
+// show dialog modally
+int wxDialog::ShowModal()
+{
+ wxASSERT_MSG( !IsModal(), _T("wxDialog::ShowModal() reentered?") );
+
+ m_endModalCalled = false;
+
+ Show();
+
+ // EndModal may have been called from InitDialog handler (called from
+ // inside Show()), which would cause an infinite loop if we didn't take it
+ // into account
+ if ( !m_endModalCalled )
{
- if ( show )
+ // modal dialog needs a parent window, so try to find one
+ wxWindow *parent = GetParent();
+ if ( !parent )
{
- // modal dialog needs a parent window, so try to find one
- if ( !GetParent() )
- {
- wxWindow *parent = wxTheApp->GetTopWindow();
- if ( parent && parent != this && parent->IsShown() )
- {
- // use it
- m_parent = parent;
- }
- }
+ parent = FindSuitableParent();
+ }
- DoShowModal();
+ // remember where the focus was
+ wxWindow *oldFocus = m_oldFocus;
+ if ( !oldFocus )
+ {
+ // VZ: do we really want to do this?
+ oldFocus = parent;
}
- else // end of modal dialog
+
+ // We have to remember the HWND because we need to check
+ // the HWND still exists (oldFocus can be garbage when the dialog
+ // exits, if it has been destroyed)
+ HWND hwndOldFocus = oldFocus ? GetHwndOf(oldFocus) : NULL;
+
+
+ // enter and run the modal loop
{
- // this will cause IsModalShowing() return FALSE and our local
- // message loop will terminate
- wxModalDialogs.DeleteObject(this);
+ wxDialogModalDataTiedPtr modalData(&m_modalData,
+ new wxDialogModalData(this));
+ modalData->RunLoop();
}
- }
- return TRUE;
-}
-// a special version for Show(TRUE) for modal dialogs which returns return code
-int wxDialog::ShowModal()
-{
- if ( !IsModal() )
- {
- SetModal(TRUE);
+ // and restore focus
+ // Note that this code MUST NOT access the dialog object's data
+ // in case the object has been deleted (which will be the case
+ // for a modal dialog that has been destroyed before calling EndModal).
+ if ( oldFocus && (oldFocus != this) && ::IsWindow(hwndOldFocus))
+ {
+ // This is likely to prove that the object still exists
+ if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus)
+ oldFocus->SetFocus();
+ }
}
- Show(TRUE);
-
return GetReturnCode();
}
-// NB: this function (surprizingly) may be called for both modal and modeless
-// dialogs and should work for both of them
void wxDialog::EndModal(int retCode)
{
+ wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") );
+
+ m_endModalCalled = true;
SetReturnCode(retCode);
- Show(FALSE);
+ Show(false);
}
// ----------------------------------------------------------------------------
// dialog window proc
// ---------------------------------------------------------------------------
-long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
- long rc = 0;
- bool processed = FALSE;
+ WXLRESULT rc = 0;
+ bool processed = false;
switch ( message )
{
+#ifdef __WXWINCE__
+ // react to pressing the OK button in the title
+ case WM_COMMAND:
+ if (LOWORD(wParam) == IDOK)
+ {
+ wxButton *btn = wxDynamicCast(FindWindow(wxID_CANCEL), wxButton);
+ if ( btn && btn->IsEnabled() )
+ {
+ // if we do have a cancel button, do press it
+ btn->MSWCommand(BN_CLICKED, 0 /* unused */);
+ processed = true;
+ break;
+ }
+ }
+ break;
+#endif
case WM_CLOSE:
// if we can't close, tell the system that we processed the
// message - otherwise it would close us
// help with it - so we have to refresh it manually which certainly
// creates flicker but at least doesn't show garbage on the screen
rc = wxWindow::MSWWindowProc(message, wParam, lParam);
- processed = TRUE;
- if ( !HasFlag(wxNO_FULL_REPAINT_ON_RESIZE) )
+ processed = true;
+ if ( HasFlag(wxFULL_REPAINT_ON_RESIZE) )
{
- ::InvalidateRect(GetHwnd(), NULL, FALSE /* erase bg */);
+ ::InvalidateRect(GetHwnd(), NULL, false /* erase bg */);
}
break;
// we want to override the busy cursor for modal dialogs:
// typically, wxBeginBusyCursor() is called and then a modal dialog
// is shown, but the modal dialog shouldn't have hourglass cursor
- if ( IsModalShowing() && wxIsBusy() )
+ if ( IsModal() && wxIsBusy() )
{
// set our cursor for all windows (but see below)
wxCursor cursor = m_cursor;
// in any case, stop here and don't let wxWindow process this
// message (it would set the busy cursor)
- processed = TRUE;
+ processed = true;
- // but return FALSE to tell the child window (if the event
+ // but return false to tell the child window (if the event
// comes from one of them and not from ourselves) that it can
// set its own cursor if it has one: thus, standard controls
// (e.g. text ctrl) still have correct cursors in a dialog
// invoked while wxIsBusy()
- rc = FALSE;
+ rc = false;
}
break;
#endif // __WXMICROWIN__
projects / wxWidgets.git / blobdiff