#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 )
-WX_BEGIN_FLAGS( wxDialogStyle )
+wxBEGIN_FLAGS( wxDialogStyle )
// new style border flags, we put them first to
// use them for streaming out
- WX_FLAGS_MEMBER(wxBORDER_SIMPLE)
- WX_FLAGS_MEMBER(wxBORDER_SUNKEN)
- WX_FLAGS_MEMBER(wxBORDER_DOUBLE)
- WX_FLAGS_MEMBER(wxBORDER_RAISED)
- WX_FLAGS_MEMBER(wxBORDER_STATIC)
- WX_FLAGS_MEMBER(wxBORDER_NONE)
+ 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
- WX_FLAGS_MEMBER(wxSIMPLE_BORDER)
- WX_FLAGS_MEMBER(wxSUNKEN_BORDER)
- WX_FLAGS_MEMBER(wxDOUBLE_BORDER)
- WX_FLAGS_MEMBER(wxRAISED_BORDER)
- WX_FLAGS_MEMBER(wxSTATIC_BORDER)
- WX_FLAGS_MEMBER(wxNO_BORDER)
+ 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
- WX_FLAGS_MEMBER(wxTAB_TRAVERSAL)
- WX_FLAGS_MEMBER(wxCLIP_CHILDREN)
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
// dialog styles
- WX_FLAGS_MEMBER(wxDIALOG_MODAL)
- WX_FLAGS_MEMBER(wxDIALOG_MODELESS)
- WX_FLAGS_MEMBER(wxNO_3D)
- WX_FLAGS_MEMBER(wxWS_EX_VALIDATE_RECURSIVELY)
- WX_FLAGS_MEMBER(wxSTAY_ON_TOP)
- WX_FLAGS_MEMBER(wxCAPTION)
- WX_FLAGS_MEMBER(wxTHICK_FRAME)
- WX_FLAGS_MEMBER(wxSYSTEM_MENU)
- WX_FLAGS_MEMBER(wxRESIZE_BORDER)
- WX_FLAGS_MEMBER(wxRESIZE_BOX)
- WX_FLAGS_MEMBER(wxCLOSE_BOX)
- WX_FLAGS_MEMBER(wxMAXIMIZE_BOX)
- WX_FLAGS_MEMBER(wxMINIMIZE_BOX)
-WX_END_FLAGS( wxDialogStyle )
+ 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")
-WX_BEGIN_PROPERTIES_TABLE(wxDialog)
- WX_PROPERTY( Title,wxString, SetTitle, GetTitle, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- WX_PROPERTY_FLAGS( WindowStyle , wxDialogStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-WX_END_PROPERTIES_TABLE()
+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()
-WX_BEGIN_HANDLERS_TABLE(wxDialog)
-WX_END_HANDLERS_TABLE()
+wxBEGIN_HANDLERS_TABLE(wxDialog)
+wxEND_HANDLERS_TABLE()
-WX_CONSTRUCTOR_6( wxDialog , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
+wxCONSTRUCTOR_6( wxDialog , wxWindow* , Parent , wxWindowID , Id , wxString , Title , wxPoint , Position , wxSize , Size , long , WindowStyle)
#else
IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow)
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_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
if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
return FALSE;
- SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+ if ( !m_hasFont )
+ SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
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;
+ Init();
- wxModelessWindows.DeleteObject(this);
- }
- else
- {
- m_windowStyle &= ~wxDIALOG_MODAL;
+ Create(parent, -1, title, wxPoint(x, y), wxSize(w, h), style, name);
+}
- wxModelessWindows.Append(this);
- }
+void wxDialog::SetModal(bool WXUNUSED(flag))
+{
+ // nothing to do, obsolete method
}
wxDialog::~wxDialog()
Show(FALSE);
}
-// ----------------------------------------------------------------------------
-// kbd handling
-// ----------------------------------------------------------------------------
-
-// By default, pressing escape cancels the dialog
-void wxDialog::OnCharHook(wxKeyEvent& event)
-{
- 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;
- }
- }
-
- // We didn't process this event.
- event.Skip();
-}
-
// ----------------------------------------------------------------------------
// showing the dialogs
// ----------------------------------------------------------------------------
-bool wxDialog::IsModal() const
-{
- return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0;
-}
-
bool wxDialog::IsModalShowing() const
{
- return wxModalDialogs.Find(wxConstCast(this, wxDialog)) != NULL;
+ return IsModal();
}
wxWindow *wxDialog::FindSuitableParent() const
return parent;
}
-void wxDialog::DoShowModal()
-{
- 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 )
- {
- oldFocus = parent;
- if ( parent )
- hwndOldFocus = GetHwndOf(parent);
- }
-
- // disable all other app windows
- wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") );
-
- m_windowDisabler = new wxWindowDisabler(this);
-
- // before entering the modal loop, reset the "is in OnIdle()" flag (see
- // comment in app.cpp)
- extern bool wxIsInOnIdleFlag;
- bool wasInOnIdle = wxIsInOnIdleFlag;
- wxIsInOnIdleFlag = FALSE;
-
- // enter the modal loop
- while ( IsModalShowing() )
- {
-#if wxUSE_THREADS
- wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
-
- while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() )
- ;
-
- // a message came or no more idle processing to do
- wxTheApp->DoMessage();
- }
-
- wxIsInOnIdleFlag = wasInOnIdle;
-
- // 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();
- }
-}
-
bool wxDialog::Show(bool show)
{
- if ( !show )
+ 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
// every time is simpler than keeping a flag
Layout();
- // usually will result in TransferDataToWindow() being called
+ // this usually will result in TransferDataToWindow() being called
InitDialog();
}
- if ( IsModal() )
- {
- if ( show )
- {
- // modal dialog needs a parent window, so try to find one
- if ( !GetParent() )
- {
- m_parent = FindSuitableParent();
- }
-
- DoShowModal();
- }
- else // end of modal dialog
- {
- // this will cause IsModalShowing() return FALSE and our local
- // message loop will terminate
- wxModalDialogs.DeleteObject(this);
-
- // 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 TRUE;
}
::SetForegroundWindow(GetHwnd());
}
-// a special version for Show(TRUE) for modal dialogs which returns return code
+// show dialog modally
int wxDialog::ShowModal()
{
- if ( !IsModal() )
+ 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 )
{
- SetModal(TRUE);
- }
+ // modal dialog needs a parent window, so try to find one
+ wxWindow *parent = GetParent();
+ if ( !parent )
+ {
+ parent = FindSuitableParent();
+ }
+
+ // remember where the focus was
+ wxWindow *oldFocus = m_oldFocus;
+ if ( !oldFocus )
+ {
+ // VZ: do we really want to do this?
+ oldFocus = parent;
+ }
+
+ // 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
+ {
+ wxDialogModalDataTiedPtr modalData(&m_modalData,
+ new wxDialogModalData(this));
+ modalData->RunLoop();
+ }
+
- Show(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();
+ }
+ }
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);
// dialog window proc
// ---------------------------------------------------------------------------
-long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
- long rc = 0;
+ 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
// 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) )
+ if ( HasFlag(wxFULL_REPAINT_ON_RESIZE) )
{
::InvalidateRect(GetHwnd(), NULL, FALSE /* erase bg */);
}
// 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;