X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cb172b4f12fae80b06d5936108a1bc7f2521674..bd947cc9f002826c01e1413e36c5ae99fc6124a8:/src/msw/dialog.cpp diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index 4de4676889..94cf00190a 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 @@ -40,8 +40,10 @@ #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 @@ -57,26 +59,68 @@ #define wxDIALOG_DEFAULT_WIDTH 500 #define wxDIALOG_DEFAULT_HEIGHT 500 -// ---------------------------------------------------------------------------- -// globals -// ---------------------------------------------------------------------------- - -// all objects to be deleted during next idle processing - from window.cpp -extern wxList WXDLLEXPORT wxPendingDelete; - -// all frames and modeless dialogs - not static, used in frame.cpp, mdi.cpp &c -wxWindowList wxModelessWindows; - -// all modal dialogs currently shown -static wxWindowList wxModalDialogs; - // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel) +#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) -BEGIN_EVENT_TABLE(wxDialog, wxPanel) +#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) @@ -88,6 +132,33 @@ BEGIN_EVENT_TABLE(wxDialog, wxPanel) 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 // ============================================================================ @@ -102,9 +173,9 @@ void wxDialog::Init() m_isShown = FALSE; - m_windowDisabler = (wxWindowDisabler *)NULL; + m_modalData = NULL; - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); } bool wxDialog::Create(wxWindow *parent, @@ -117,113 +188,22 @@ bool wxDialog::Create(wxWindow *parent, { Init(); - m_oldFocus = FindFocus(); - - SetName(name); - - wxTopLevelWindows.Append(this); + SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); - if ( parent ) - parent->AddChild(this); - - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - - if (x < 0) - x = wxDIALOG_DEFAULT_X; - if (y < 0) - y = wxDIALOG_DEFAULT_Y; - - m_windowStyle = style; - - if (width < 0) - width = wxDIALOG_DEFAULT_WIDTH; - if (height < 0) - height = wxDIALOG_DEFAULT_HEIGHT; + // save focus before doing anything which can potentially change it + m_oldFocus = FindFocus(); // All dialogs should really have this style - m_windowStyle |= wxTAB_TRAVERSAL; - - WXDWORD extendedStyle = MakeExtendedStyle(m_windowStyle); - if (m_windowStyle & wxSTAY_ON_TOP) - extendedStyle |= WS_EX_TOPMOST; - -#ifndef __WIN16__ - if (m_exStyle & wxDIALOG_EX_CONTEXTHELP) - extendedStyle |= WS_EX_CONTEXTHELP; -#endif - - // Allows creation of dialogs with & without captions under MSWindows, - // resizeable or not (but a resizeable dialog always has caption - - // otherwise it would look too strange) - const wxChar *dlg; - if ( style & wxRESIZE_BORDER ) - dlg = wxT("wxResizeableDialog"); - else if ( style & wxCAPTION ) - dlg = wxT("wxCaptionDialog"); - else - dlg = wxT("wxNoCaptionDialog"); - MSWCreate(m_windowId, parent, NULL, this, NULL, - x, y, width, height, - 0, // style is not used if we have dlg template - dlg, - extendedStyle); - - HWND hwnd = (HWND)GetHWND(); - - if ( !hwnd ) - { - wxFAIL_MSG(_("Failed to create dialog. You probably forgot to include wx/msw/wx.rc in your resources.")); + style |= wxTAB_TRAVERSAL; + if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) ) return FALSE; - } - - SubclassWin(GetHWND()); - SetWindowText(hwnd, title); + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); return TRUE; } -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")); - } -#endif - - return TRUE; -} - void wxDialog::SetModal(bool flag) { if ( flag ) @@ -244,24 +224,8 @@ wxDialog::~wxDialog() { m_isBeingDeleted = TRUE; - wxTopLevelWindows.DeleteObject(this); - // this will also reenable all the other windows for a modal dialog Show(FALSE); - - if ( !IsModal() ) - wxModelessWindows.DeleteObject(this); - - // If this is the last top-level window, exit. - if ( wxTheApp && (wxTopLevelWindows.Number() == 0) ) - { - wxTheApp->SetTopWindow(NULL); - - if ( wxTheApp->GetExitOnFrameDelete() ) - { - ::PostQuitMessage(0); - } - } } // ---------------------------------------------------------------------------- @@ -294,67 +258,39 @@ void wxDialog::OnCharHook(wxKeyEvent& event) } // ---------------------------------------------------------------------------- -// Windows dialog boxes can't be iconized +// showing the dialogs // ---------------------------------------------------------------------------- -void wxDialog::Iconize(bool WXUNUSED(iconize)) +bool wxDialog::IsModal() const { + return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0; } -bool wxDialog::IsIconized() const +bool wxDialog::IsModalShowing() const { - return FALSE; + return m_modalData != NULL; } -// ---------------------------------------------------------------------------- -// size/position handling -// ---------------------------------------------------------------------------- - -void wxDialog::DoSetClientSize(int width, int height) +wxWindow *wxDialog::FindSuitableParent() const { - HWND hWnd = (HWND) GetHWND(); - RECT rect; - ::GetClientRect(hWnd, &rect); - - RECT rect2; - GetWindowRect(hWnd, &rect2); - - // Find the difference between the entire window (title bar and all) - // and the client area; add this to the new client size to move the - // window - int actual_width = rect2.right - rect2.left - rect.right + width; - int actual_height = rect2.bottom - rect2.top - rect.bottom + height; - - MoveWindow(hWnd, rect2.left, rect2.top, actual_width, actual_height, TRUE); - - wxSizeEvent event(wxSize(actual_width, actual_height), m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); -} - -void wxDialog::DoGetPosition(int *x, int *y) const -{ - RECT rect; - GetWindowRect(GetHwnd(), &rect); - - if ( x ) - *x = rect.left; - if ( y ) - *y = rect.top; -} - -// ---------------------------------------------------------------------------- -// showing the dialogs -// ---------------------------------------------------------------------------- + // 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(); + } -bool wxDialog::IsModal() const -{ - return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0; -} + // finally, check if the parent we found is really suitable + if ( !parent || parent == (wxWindow *)this || !parent->IsShown() ) + { + // don't use this one + parent = NULL; + } -bool wxDialog::IsModalShowing() const -{ - return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast + return parent; } void wxDialog::DoShowModal() @@ -362,8 +298,6 @@ 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; @@ -383,23 +317,11 @@ 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 @@ -416,16 +338,14 @@ 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 @@ -437,50 +357,37 @@ 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() ) + if ( show && IsModal() ) { - 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; - - // VZ: to make dialog behave properly we should reparent - // the dialog for Windows as well - unfortunately, - // following the docs for SetParent() results in this - // code which plainly doesn't work -#if 0 - long dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); - dwStyle &= ~WS_POPUP; - dwStyle |= WS_CHILD; - ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyle); - ::SetParent(GetHwnd(), GetHwndOf(parent)); -#endif // 0 - } - } - - 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() { @@ -559,23 +466,12 @@ void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) closing.DeleteObject(this); } -// Destroy the window (delayed, if a managed window) -bool wxDialog::Destroy() -{ - wxCHECK_MSG( !wxPendingDelete.Member(this), FALSE, - _T("wxDialog destroyed twice") ); - - wxPendingDelete.Append(this); - - return TRUE; -} - 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 } @@ -591,41 +487,27 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) switch ( message ) { -#if 0 // now that we got owner window right it doesn't seem to be needed - case WM_ACTIVATE: - switch ( LOWORD(wParam) ) - { - case WA_ACTIVE: - case WA_CLICKACTIVE: - if ( IsModalShowing() && GetParent() ) - { - // 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)")); - } - } - // fall through to process it normally as well - } - break; -#endif // 0 - 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: @@ -652,7 +534,7 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) rc = FALSE; } break; -#endif +#endif // __WXMICROWIN__ } if ( !processed )