X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cbc66a27047635e86fbba08043da831666d74f4a..2fe212b0336512aac9eace69fab09ce856b0bf4b:/src/msw/dialog.cpp diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index 4a0102db14..3fbad08474 100644 --- a/src/msw/dialog.cpp +++ b/src/msw/dialog.cpp @@ -61,12 +61,6 @@ // 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; @@ -74,9 +68,9 @@ static wxWindowList wxModalDialogs; // wxWin macros // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel) +IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow) -BEGIN_EVENT_TABLE(wxDialog, wxPanel) +BEGIN_EVENT_TABLE(wxDialog, wxTopLevelWindow) EVT_BUTTON(wxID_OK, wxDialog::OnOK) EVT_BUTTON(wxID_APPLY, wxDialog::OnApply) EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel) @@ -96,93 +90,71 @@ END_EVENT_TABLE() // wxDialog construction // ---------------------------------------------------------------------------- -wxDialog::wxDialog() +void wxDialog::Init() { m_oldFocus = (wxWindow *)NULL; + m_isShown = FALSE; + m_windowDisabler = (wxWindowDisabler *)NULL; + SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); } -bool wxDialog::Create(wxWindow *parent, wxWindowID id, +bool wxDialog::Create(wxWindow *parent, + wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name) { - m_oldFocus = FindFocus(); - - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetName(name); - - if (!parent) - wxTopLevelWindows.Append(this); - - // windowFont = wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL); + Init(); - if (parent) parent->AddChild(this); + SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); - 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; + // save focus before doing anything which can potentially change it + m_oldFocus = FindFocus(); - if (x < 0) - x = wxDIALOG_DEFAULT_X; - if (y < 0) - y = wxDIALOG_DEFAULT_Y; + // All dialogs should really have this style + style |= wxTAB_TRAVERSAL; - m_windowStyle = style; + if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) ) + return FALSE; - m_isShown = FALSE; + SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - if (width < 0) - width = wxDIALOG_DEFAULT_WIDTH; - if (height < 0) - height = wxDIALOG_DEFAULT_HEIGHT; + return TRUE; +} - // 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; - - // 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); +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")); - HWND hwnd = (HWND)GetHWND(); + return FALSE; + } - if ( !hwnd ) + // 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)) ) { - wxLogError(_("Failed to create dialog.")); + wxLogLastError(_T("EnableMenuItem(SC_CLOSE)")); return FALSE; } - SubclassWin(GetHWND()); - - SetWindowText(hwnd, title); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); + // update appearance immediately + if ( !::DrawMenuBar(GetHwnd()) ) + { + wxLogLastError(_T("DrawMenuBar")); + } +#endif return TRUE; } @@ -207,25 +179,8 @@ wxDialog::~wxDialog() { m_isBeingDeleted = TRUE; - wxTopLevelWindows.DeleteObject(this); - - // this will call BringWindowToTop() if necessary to bring back our parent - // window to top + // 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); - } - } } // ---------------------------------------------------------------------------- @@ -257,56 +212,6 @@ void wxDialog::OnCharHook(wxKeyEvent& event) event.Skip(); } -// ---------------------------------------------------------------------------- -// Windows dialog boxes can't be iconized -// ---------------------------------------------------------------------------- - -void wxDialog::Iconize(bool WXUNUSED(iconize)) -{ -} - -bool wxDialog::IsIconized() const -{ - return FALSE; -} - -// ---------------------------------------------------------------------------- -// size/position handling -// ---------------------------------------------------------------------------- - -void wxDialog::DoSetClientSize(int width, int height) -{ - 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 // ---------------------------------------------------------------------------- @@ -324,27 +229,33 @@ bool wxDialog::IsModalShowing() const 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 ( !m_oldFocus ) - { - m_oldFocus = parent; - } - if ( !m_oldFocus ) + if ( !oldFocus ) { - m_oldFocus = wxTheApp->GetTopWindow(); + oldFocus = parent; + if ( parent ) + hwndOldFocus = GetHwndOf(parent); } - // disable the parent window first - HWND hwndParent = parent ? GetHwndOf(parent) : (HWND)NULL; - if ( hwndParent ) - { - ::EnableWindow(hwndParent, FALSE); - } + // disable all other app windows + wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") ); + + m_windowDisabler = new wxWindowDisabler(this); // enter the modal loop while ( IsModalShowing() ) @@ -360,31 +271,29 @@ void wxDialog::DoShowModal() wxTheApp->DoMessage(); } - // reenable the parent window if any - if ( hwndParent ) - { - ::EnableWindow(hwndParent, TRUE); - } - // and restore focus - if ( m_oldFocus && (m_oldFocus != this) ) + // 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)) { - m_oldFocus->SetFocus(); + // This is likely to prove that the object still exists + if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus) + oldFocus->SetFocus(); } } bool wxDialog::Show(bool show) { - // The following is required when the parent has been disabled, (modal - // dialogs, or modeless dialogs with disabling such as wxProgressDialog). - // Otherwise the parent disappears behind other windows when the dialog is - // hidden. if ( !show ) { - wxWindow *parent = GetParent(); - if ( parent ) + // if we had disabled other app windows, reenable them back now because + // if they stay disabled Windows will activate another window (one + // which is enabled, anyhow) and we will lose activation + if ( m_windowDisabler ) { - ::BringWindowToTop(GetHwndOf(parent)); + delete m_windowDisabler; + m_windowDisabler = NULL; } } @@ -405,6 +314,29 @@ bool wxDialog::Show(bool show) { if ( show ) { + // 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 @@ -418,32 +350,16 @@ bool wxDialog::Show(bool show) return TRUE; } -// Replacement for Show(TRUE) for modal dialogs - returns return code +// a special version for Show(TRUE) for modal dialogs which returns return code int wxDialog::ShowModal() { - // modal dialog needs a parent window, so try to find one - if ( !GetParent() ) - { - wxWindow *parent = wxTheApp->GetTopWindow(); - if ( parent && parent != this ) - { - // use it - m_parent = parent; - } - } - - wxWindowDisabler *wd = (wxWindowDisabler *)NULL; - if ( !GetParent() ) + if ( !IsModal() ) { - // still no parent? make the dialog app modal by disabling all windows - wd = new wxWindowDisabler(this); + SetModal(TRUE); } - m_windowStyle |= wxDIALOG_MODAL; Show(TRUE); - delete wd; - return GetReturnCode(); } @@ -461,7 +377,7 @@ void wxDialog::EndModal(int retCode) // ---------------------------------------------------------------------------- // Standard buttons -void wxDialog::OnOK(wxCommandEvent& event) +void wxDialog::OnOK(wxCommandEvent& WXUNUSED(event)) { if ( Validate() && TransferDataFromWindow() ) { @@ -469,7 +385,7 @@ void wxDialog::OnOK(wxCommandEvent& event) } } -void wxDialog::OnApply(wxCommandEvent& event) +void wxDialog::OnApply(wxCommandEvent& WXUNUSED(event)) { if ( Validate() ) TransferDataFromWindow(); @@ -477,12 +393,12 @@ void wxDialog::OnApply(wxCommandEvent& event) // TODO probably need to disable the Apply button until things change again } -void wxDialog::OnCancel(wxCommandEvent& event) +void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) { EndModal(wxID_CANCEL); } -void wxDialog::OnCloseWindow(wxCloseEvent& event) +void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) { // We'll send a Cancel message by default, which may close the dialog. // Check for looping if the Cancel event handler calls Close(). @@ -512,18 +428,7 @@ void wxDialog::OnCloseWindow(wxCloseEvent& 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& event) +void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) { #if wxUSE_CTL3D Ctl3dColorChange(); @@ -544,6 +449,7 @@ 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) ) { @@ -564,12 +470,13 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) SWP_NOSIZE ) ) { - wxLogLastError("SetWindowPos(SWP_NOACTIVATE)"); + 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 @@ -577,6 +484,7 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) processed = !Close(); 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 @@ -602,6 +510,7 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) rc = FALSE; } break; +#endif // __WXMICROWIN__ } if ( !processed )