X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/86f1458257289bc8f7d8ca4a5870ec9f5fc5a57e..1d6560d796aefb5dbdf217109767b1054c68c291:/src/msw/dialog.cpp?ds=sidebyside diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index 620a3de16a..32678cc578 100644 --- a/src/msw/dialog.cpp +++ b/src/msw/dialog.cpp @@ -5,7 +5,7 @@ // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "dialog.h" #endif @@ -40,48 +40,112 @@ #include "wx/msw/private.h" #include "wx/log.h" +#include "wx/evtloop.h" +#include "wx/ptr_scpd.h" -#if wxUSE_COMMON_DIALOGS +#if wxUSE_COMMON_DIALOGS && !defined(__WXMICROWIN__) #include #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; +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + #include "wx/msw/wince/resources.h" +#endif // __SMARTPHONE__ && __WXWINCE__ // ---------------------------------------------------------------------------- // 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, wxTopLevelWindow) +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 // ============================================================================ @@ -93,12 +157,9 @@ END_EVENT_TABLE() void wxDialog::Init() { m_oldFocus = (wxWindow *)NULL; - - m_isShown = FALSE; - - m_windowDisabler = (wxWindowDisabler *)NULL; - - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); + m_isShown = false; + m_modalData = NULL; + m_endModalCalled = false; } bool wxDialog::Create(wxWindow *parent, @@ -109,8 +170,6 @@ 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 @@ -120,244 +179,198 @@ bool wxDialog::Create(wxWindow *parent, style |= wxTAB_TRAVERSAL; if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) ) - return FALSE; + return false; - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); + if ( !m_hasFont ) + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); - return TRUE; -} + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); -bool wxDialog::EnableCloseButton(bool enable) -{ -#ifndef __WXMICROWIN__ - // get system (a.k.a. window) menu - HMENU hmenu = ::GetSystemMenu(GetHwnd(), FALSE /* get it */); - if ( !hmenu ) - { - wxLogLastError(_T("GetSystemMenu")); - - return FALSE; - } - - // enabling/disabling the close item from it also automatically - // disables/enabling the close title bar button - if ( !::EnableMenuItem(hmenu, SC_CLOSE, - MF_BYCOMMAND | (enable ? MF_ENABLED : MF_GRAYED)) ) - { - wxLogLastError(_T("EnableMenuItem(SC_CLOSE)")); - - return FALSE; - } - - // update appearance immediately - if ( !::DrawMenuBar(GetHwnd()) ) - { - wxLogLastError(_T("DrawMenuBar")); - } +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + SetLeftMenu(wxID_OK, _("OK")); #endif - 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, wxID_ANY, 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); + Hide(); +} + +void wxDialog::EndDialog(int rc) +{ + if ( IsModal() ) + EndModal(rc); + else + Hide(); } // ---------------------------------------------------------------------------- @@ -369,7 +382,7 @@ void wxDialog::OnOK(wxCommandEvent& WXUNUSED(event)) { if ( Validate() && TransferDataFromWindow() ) { - EndModal(wxID_OK); + EndDialog(wxID_OK); } } @@ -383,7 +396,7 @@ void wxDialog::OnApply(wxCommandEvent& WXUNUSED(event)) void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) { - EndModal(wxID_CANCEL); + EndDialog(wxID_CANCEL); } void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) @@ -421,7 +434,7 @@ void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) #if wxUSE_CTL3D Ctl3dColorChange(); #else - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); Refresh(); #endif } @@ -430,54 +443,66 @@ void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) // 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 ) { -#if 0 // now that we got owner window right it doesn't seem to be needed - case WM_ACTIVATE: +#ifdef __WXWINCE__ + // react to pressing the OK button in the title + case WM_COMMAND: + { switch ( LOWORD(wParam) ) { - case WA_ACTIVE: - case WA_CLICKACTIVE: - if ( IsModalShowing() && GetParent() ) +#ifndef __SMARTPHONE__ + case IDOK: + wxButton *btn = wxDynamicCast(FindWindow(wxID_CANCEL), wxButton); + if ( btn && btn->IsEnabled() ) { - // bring the owner window to top as the standard dialog - // boxes do - if ( !::SetWindowPos - ( - GetHwndOf(GetParent()), - GetHwnd(), - 0, 0, - 0, 0, - SWP_NOACTIVATE | - SWP_NOMOVE | - SWP_NOSIZE - ) ) - { - wxLogLastError(wxT("SetWindowPos(SWP_NOACTIVATE)")); - } + // if we do have a cancel button, do press it + btn->MSWCommand(BN_CLICKED, 0 /* unused */); + processed = true; + break; } - // fall through to process it normally as well +#else // ifdef __SMARTPHONE__ + case IDM_LEFT: + case IDM_RIGHT: + processed = HandleCommand( LOWORD(wParam) , 0 , NULL ); + break; +#endif // __SMARTPHONE__ } break; -#endif // 0 - + } +#endif case WM_CLOSE: // if we can't close, tell the system that we processed the // message - otherwise it would close us processed = !Close(); break; + case WM_SIZE: + // the Windows dialogs unfortunately are not meant to be resizeable + // at all and their standard class doesn't include CS_[VH]REDRAW + // styles which means that the window is not refreshed properly + // after the resize and no amount of WS_CLIPCHILDREN/SIBLINGS can + // 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(wxFULL_REPAINT_ON_RESIZE) ) + { + ::InvalidateRect(GetHwnd(), NULL, false /* erase bg */); + } + break; + #ifndef __WXMICROWIN__ case WM_SETCURSOR: // 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; @@ -488,14 +513,14 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) // 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__