X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6b6ea919a4a736206ff54265e463b96439eb1dd1..7848088476db284a94f19eeb24411b45d676ac46:/src/msw/dialog.cpp?ds=inline diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index f37849b3ee..f43c35fe3f 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 +40,111 @@ #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 #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(wxDIALOG_MODAL) + wxFLAGS_MEMBER(wxDIALOG_MODELESS) + wxFLAGS_MEMBER(wxNO_3D) + 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 , , 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 // ============================================================================ @@ -93,12 +156,9 @@ END_EVENT_TABLE() 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, @@ -109,8 +169,6 @@ 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 @@ -122,7 +180,10 @@ bool wxDialog::Create(wxWindow *parent, 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; } @@ -151,35 +212,6 @@ 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 // ---------------------------------------------------------------------------- @@ -191,7 +223,29 @@ bool wxDialog::IsModal() const bool wxDialog::IsModalShowing() const { - return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast + return m_modalData != NULL; +} + +wxWindow *wxDialog::FindSuitableParent() const +{ + // first try to use the currently active window + HWND hwndFg = ::GetForegroundWindow(); + wxWindow *parent = hwndFg ? wxFindWinFromHandle((WXHWND)hwndFg) + : NULL; + if ( !parent ) + { + // next try the main app window + parent = wxTheApp->GetTopWindow(); + } + + // finally, check if the parent we found is really suitable + if ( !parent || parent == (wxWindow *)this || !parent->IsShown() ) + { + // don't use this one + parent = NULL; + } + + return parent; } void wxDialog::DoShowModal() @@ -199,8 +253,6 @@ 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; @@ -220,23 +272,11 @@ void wxDialog::DoShowModal() hwndOldFocus = GetHwndOf(parent); } - // disable all other app windows - wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") ); - - m_windowDisabler = new wxWindowDisabler(this); - // 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(); + wxDialogModalDataTiedPtr modalData(&m_modalData, + new wxDialogModalData(this)); + modalData->RunLoop(); } // and restore focus @@ -253,16 +293,14 @@ void wxDialog::DoShowModal() 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 @@ -274,41 +312,44 @@ bool wxDialog::Show(bool show) if ( show ) { - // usually will result in TransferDataToWindow() being called + // 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(); + + // this usually will result in TransferDataToWindow() being called InitDialog(); } - if ( IsModal() ) + // EndModal may have been called from InitDialog handler, + // which would cause an infinite loop if we didn't take it + // into account + if ( show && IsModal() && !m_endModalCalled ) { - if ( show ) + // modal dialog needs a parent window, so try to find one + if ( !GetParent() ) { - // 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; - } - } - - DoShowModal(); - } - else // end of modal dialog - { - // this will cause IsModalShowing() return FALSE and our local - // message loop will terminate - wxModalDialogs.DeleteObject(this); + m_parent = FindSuitableParent(); } + + DoShowModal(); } return TRUE; } +void wxDialog::Raise() +{ + ::SetForegroundWindow(GetHwnd()); +} + // a special version for Show(TRUE) for modal dialogs which returns return code int wxDialog::ShowModal() { + m_endModalCalled = FALSE; if ( !IsModal() ) { SetModal(TRUE); @@ -323,6 +364,7 @@ int wxDialog::ShowModal() // dialogs and should work for both of them void wxDialog::EndModal(int retCode) { + m_endModalCalled = TRUE; SetReturnCode(retCode); Show(FALSE); @@ -398,9 +440,9 @@ 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; + WXLRESULT rc = 0; bool processed = FALSE; switch ( message ) @@ -420,7 +462,7 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) // 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 */); }