X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14f355c2b5c71fc7c3d680aea366582d2ac60f7b..6a62b2c6eddef047009cf2c14365b7012fc418ec:/src/msw/dialog.cpp diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index b7ccfaf0d6..3e54725e3a 100644 --- a/src/msw/dialog.cpp +++ b/src/msw/dialog.cpp @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "dialog.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,66 +24,58 @@ #pragma hdrstop #endif +#include "wx/dialog.h" + #ifndef WX_PRECOMP - #include "wx/dialog.h" + #include "wx/msw/wrapcdlg.h" #include "wx/utils.h" #include "wx/frame.h" #include "wx/app.h" + #include "wx/button.h" #include "wx/settings.h" #include "wx/intl.h" #include "wx/log.h" + #include "wx/toolbar.h" #endif #include "wx/msw/private.h" -#include "wx/log.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 +#include "wx/evtloop.h" +#include "wx/scopedptr.h" -#define wxDIALOG_DEFAULT_WIDTH 500 -#define wxDIALOG_DEFAULT_HEIGHT 500 +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + #include "wx/msw/wince/resources.h" +#endif // __SMARTPHONE__ && __WXWINCE__ // ---------------------------------------------------------------------------- -// globals +// wxWin macros // ---------------------------------------------------------------------------- -// all modal dialogs currently shown -static wxWindowList wxModalDialogs; - // ---------------------------------------------------------------------------- -// wxWin macros +// wxDialogModalData // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxTopLevelWindow) - -/* - TODO PROPERTIES - - style (wxDEFAULT_DIALOG_STYLE) - centered (bool, false ) -*/ +// 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) { } -BEGIN_EVENT_TABLE(wxDialog, wxDialogBase) - EVT_BUTTON(wxID_OK, wxDialog::OnOK) - EVT_BUTTON(wxID_APPLY, wxDialog::OnApply) - EVT_BUTTON(wxID_CANCEL, wxDialog::OnCancel) + void RunLoop() + { + m_evtLoop.Run(); + } - EVT_CHAR_HOOK(wxDialog::OnCharHook) + void ExitLoop() + { + m_evtLoop.Exit(); + } - EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged) +private: + wxModalEventLoop m_evtLoop; +}; - EVT_CLOSE(wxDialog::OnCloseWindow) -END_EVENT_TABLE() +wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData) // ============================================================================ // implementation @@ -99,13 +87,14 @@ END_EVENT_TABLE() void wxDialog::Init() { - m_oldFocus = (wxWindow *)NULL; - - m_isShown = FALSE; - - m_windowDisabler = (wxWindowDisabler *)NULL; - - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); + m_isShown = false; + m_modalData = NULL; +#if wxUSE_TOOLBAR && defined(__POCKETPC__) + m_dialogToolBar = NULL; +#endif +#if wxUSE_DIALOG_SIZEGRIP + m_hGripper = 0; +#endif // wxUSE_DIALOG_SIZEGRIP } bool wxDialog::Create(wxWindow *parent, @@ -116,344 +105,299 @@ 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 - m_oldFocus = FindFocus(); - // All dialogs should really have this style style |= wxTAB_TRAVERSAL; if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) ) - return FALSE; + return false; - SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + if ( !m_hasFont ) + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); - return TRUE; -} +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + SetLeftMenu(wxID_OK, _("OK")); +#endif +#if wxUSE_TOOLBAR && defined(__POCKETPC__) + CreateToolBar(); +#endif -void wxDialog::SetModal(bool flag) -{ - if ( flag ) +#if wxUSE_DIALOG_SIZEGRIP + if ( HasFlag(wxRESIZE_BORDER) ) { - m_windowStyle |= wxDIALOG_MODAL; + CreateGripper(); - wxModelessWindows.DeleteObject(this); + Connect(wxEVT_CREATE, + wxWindowCreateEventHandler(wxDialog::OnWindowCreate)); } - else - { - m_windowStyle &= ~wxDIALOG_MODAL; +#endif // wxUSE_DIALOG_SIZEGRIP - wxModelessWindows.Append(this); - } + return true; } wxDialog::~wxDialog() { - m_isBeingDeleted = TRUE; - // this will also reenable all the other windows for a modal dialog - Show(FALSE); + Show(false); + +#if wxUSE_DIALOG_SIZEGRIP + DestroyGripper(); +#endif // wxUSE_DIALOG_SIZEGRIP } // ---------------------------------------------------------------------------- -// kbd handling +// showing the dialogs // ---------------------------------------------------------------------------- -// By default, pressing escape cancels the dialog -void wxDialog::OnCharHook(wxKeyEvent& event) +bool wxDialog::Show(bool show) { - if (GetHWND()) + if ( show == IsShown() ) + return false; + + if ( !show && m_modalData ) { - // "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); + // 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) when we're hidden in the base class Show() + // and we will lose activation + m_modalData->ExitLoop(); + } - // 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); + if ( show ) + { + if (CanDoLayoutAdaptation()) + DoLayoutAdaptation(); - return; - } + // 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(); } - // We didn't process this event. - event.Skip(); -} + wxDialogBase::Show(show); -// ---------------------------------------------------------------------------- -// showing the dialogs -// ---------------------------------------------------------------------------- + if ( show ) + { + // dialogs don't get WM_SIZE message from ::ShowWindow() for some + // reason so generate it ourselves for consistency with frames and + // dialogs in other ports + // + // NB: normally we should call it just the first time but doing it + // every time is simpler than keeping a flag + const wxSize size = GetClientSize(); + ::SendMessage(GetHwnd(), WM_SIZE, + SIZE_RESTORED, MAKELPARAM(size.x, size.y)); + } -bool wxDialog::IsModal() const -{ - return (GetWindowStyleFlag() & wxDIALOG_MODAL) != 0; + return true; } -bool wxDialog::IsModalShowing() const +void wxDialog::Raise() { - return wxModalDialogs.Find(wxConstCast(this, wxDialog)) != NULL; + ::SetForegroundWindow(GetHwnd()); } -wxWindow *wxDialog::FindSuitableParent() const +// show dialog modally +int wxDialog::ShowModal() { - // 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(); - } + wxASSERT_MSG( !IsModal(), wxT("ShowModal() can't be called twice") ); - // finally, check if the parent we found is really suitable - if ( !parent || parent == (wxWindow *)this || !parent->IsShown() ) + Show(); + + // EndModal may have been called from InitDialog handler (called from + // inside Show()) and hidden the dialog back again + if ( IsShown() ) { - // don't use this one - parent = NULL; + // enter and run the modal loop + wxDialogModalDataTiedPtr modalData(&m_modalData, + new wxDialogModalData(this)); + modalData->RunLoop(); } - return parent; + return GetReturnCode(); } -void wxDialog::DoShowModal() +void wxDialog::EndModal(int retCode) { - wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") ); - wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") ); - - wxModalDialogs.Append(this); + wxASSERT_MSG( IsModal(), wxT("EndModal() called for non modal dialog") ); - 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); + SetReturnCode(retCode); - // before entering the modal loop, reset the "is in OnIdle()" flag (see - // comment in app.cpp) - extern bool wxIsInOnIdleFlag; - bool wasInOnIdle = wxIsInOnIdleFlag; - wxIsInOnIdleFlag = FALSE; + Hide(); +} - // enter the modal loop - while ( IsModalShowing() ) - { -#if wxUSE_THREADS - wxMutexGuiLeaveOrEnter(); -#endif // wxUSE_THREADS +// ---------------------------------------------------------------------------- +// wxDialog gripper handling +// ---------------------------------------------------------------------------- - while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() ) - ; +#if wxUSE_DIALOG_SIZEGRIP - // a message came or no more idle processing to do - wxTheApp->DoMessage(); - } +void wxDialog::SetWindowStyleFlag(long style) +{ + wxDialogBase::SetWindowStyleFlag(style); - wxIsInOnIdleFlag = wasInOnIdle; + if ( HasFlag(wxRESIZE_BORDER) ) + CreateGripper(); + else + DestroyGripper(); +} - // 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)) +void wxDialog::CreateGripper() +{ + if ( !m_hGripper ) { - // This is likely to prove that the object still exists - if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus) - oldFocus->SetFocus(); + // just create it here, it will be positioned and shown later + m_hGripper = (WXHWND)::CreateWindow + ( + wxT("SCROLLBAR"), + wxT(""), + WS_CHILD | + WS_CLIPSIBLINGS | + SBS_SIZEGRIP | + SBS_SIZEBOX | + SBS_SIZEBOXBOTTOMRIGHTALIGN, + 0, 0, 0, 0, + GetHwnd(), + 0, + wxGetInstance(), + NULL + ); } } -bool wxDialog::Show(bool show) +void wxDialog::DestroyGripper() { - if ( !show ) + if ( m_hGripper ) { - // 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 ) - { - delete m_windowDisabler; - m_windowDisabler = NULL; - } + // we used to have trouble with gripper appearing on top (and hence + // overdrawing) the other, real, dialog children -- check that this + // isn't the case automatically (but notice that this could be false if + // we're not shown at all as in this case ResizeGripper() might not + // have been called yet) + wxASSERT_MSG( !IsShown() || + ::GetWindow((HWND)m_hGripper, GW_HWNDNEXT) == 0, + wxT("Bug in wxWidgets: gripper should be at the bottom of Z-order") ); + ::DestroyWindow((HWND) m_hGripper); + m_hGripper = 0; } +} - // ShowModal() may be called for already shown dialog - if ( !wxDialogBase::Show(show) && !(show && IsModal()) ) - { - // nothing to do - return FALSE; - } +void wxDialog::ShowGripper(bool show) +{ + wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") ); if ( show ) - { - // 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(); + ResizeGripper(); - // 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(); - } + ::ShowWindow((HWND)m_hGripper, show ? SW_SHOW : SW_HIDE); +} - DoShowModal(); - } - else // end of modal dialog - { - // this will cause IsModalShowing() return FALSE and our local - // message loop will terminate - wxModalDialogs.DeleteObject(this); +void wxDialog::ResizeGripper() +{ + wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") ); - // 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); - } - } + HWND hwndGripper = (HWND)m_hGripper; - return TRUE; -} + const wxRect rectGripper = wxRectFromRECT(wxGetWindowRect(hwndGripper)); + const wxSize size = GetClientSize() - rectGripper.GetSize(); -void wxDialog::Raise() -{ - ::SetForegroundWindow(GetHwnd()); + ::SetWindowPos(hwndGripper, HWND_BOTTOM, + size.x, size.y, + rectGripper.width, rectGripper.height, + SWP_NOACTIVATE); } -// a special version for Show(TRUE) for modal dialogs which returns return code -int wxDialog::ShowModal() +void wxDialog::OnWindowCreate(wxWindowCreateEvent& event) { - if ( !IsModal() ) + if ( m_hGripper && IsShown() && + event.GetWindow() && event.GetWindow()->GetParent() == this ) { - SetModal(TRUE); + // Put gripper below the newly created child window + ::SetWindowPos((HWND)m_hGripper, HWND_BOTTOM, 0, 0, 0, 0, + SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); } - Show(TRUE); - - return GetReturnCode(); + event.Skip(); } -// 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) -{ - SetReturnCode(retCode); - - Show(FALSE); -} +#endif // wxUSE_DIALOG_SIZEGRIP // ---------------------------------------------------------------------------- // wxWin event handlers // ---------------------------------------------------------------------------- -// Standard buttons -void wxDialog::OnOK(wxCommandEvent& WXUNUSED(event)) +#ifdef __POCKETPC__ +// Responds to the OK button in a PocketPC titlebar. This +// can be overridden, or you can change the id used for +// sending the event, by calling SetAffirmativeId. +bool wxDialog::DoOK() { - if ( Validate() && TransferDataFromWindow() ) - { - EndModal(wxID_OK); - } -} + const int idOk = GetAffirmativeId(); + if ( EmulateButtonClickIfPresent(idOk) ) + return true; -void wxDialog::OnApply(wxCommandEvent& WXUNUSED(event)) -{ - if ( Validate() ) - TransferDataFromWindow(); + wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, GetAffirmativeId()); + event.SetEventObject(this); - // TODO probably need to disable the Apply button until things change again + return HandleWindowEvent(event); } +#endif // __POCKETPC__ -void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) +#if wxUSE_TOOLBAR && defined(__POCKETPC__) +// create main toolbar by calling OnCreateToolBar() +wxToolBar* wxDialog::CreateToolBar(long style, wxWindowID winid, const wxString& name) { - EndModal(wxID_CANCEL); -} - -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(). - - // Note that if a cancel button and handler aren't present in the dialog, - // nothing will happen when you close the dialog via the window manager, or - // via Close(). We wouldn't want to destroy the dialog by default, since - // the dialog may have been created on the stack. However, this does mean - // that calling dialog->Close() won't delete the dialog unless the handler - // for wxID_CANCEL does so. So use Destroy() if you want to be sure to - // destroy the dialog. The default OnCancel (above) simply ends a modal - // dialog, and hides a modeless dialog. - - // VZ: this is horrible and MT-unsafe. Can't we reuse some of these global - // lists here? don't dare to change it now, but should be done later! - static wxList closing; - - if ( closing.Member(this) ) - return; - - closing.Append(this); - - wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); - cancelEvent.SetEventObject( this ); - GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog + m_dialogToolBar = OnCreateToolBar(style, winid, name); - closing.DeleteObject(this); + return m_dialogToolBar; } -void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) +// return a new toolbar +wxToolBar *wxDialog::OnCreateToolBar(long style, + wxWindowID winid, + const wxString& name) { -#if wxUSE_CTL3D - Ctl3dColorChange(); -#else - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); - Refresh(); -#endif + return new wxToolMenuBar(this, winid, + wxDefaultPosition, wxDefaultSize, + style, name); } +#endif // --------------------------------------------------------------------------- -// dialog window proc +// dialog Windows messages processing // --------------------------------------------------------------------------- -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 ) { +#ifdef __WXWINCE__ + // react to pressing the OK button in the title + case WM_COMMAND: + { + switch ( LOWORD(wParam) ) + { +#ifdef __POCKETPC__ + case IDOK: + processed = DoOK(); + if (!processed) + processed = !Close(); +#endif +#ifdef __SMARTPHONE__ + case IDM_LEFT: + case IDM_RIGHT: + processed = HandleCommand( LOWORD(wParam) , 0 , NULL ); + break; +#endif // __SMARTPHONE__ + } + break; + } +#endif case WM_CLOSE: // if we can't close, tell the system that we processed the // message - otherwise it would close us @@ -461,17 +405,32 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) break; case WM_SIZE: - // the Windows dialogs unfortunately are not meant to be resizeable +#if wxUSE_DIALOG_SIZEGRIP + if ( m_hGripper ) + { + switch ( wParam ) + { + case SIZE_MAXIMIZED: + ShowGripper(false); + break; + + case SIZE_RESTORED: + ShowGripper(true); + } + } +#endif // wxUSE_DIALOG_SIZEGRIP + + // the Windows dialogs unfortunately are not meant to be resizable // 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(wxNO_FULL_REPAINT_ON_RESIZE) ) + processed = true; + if ( HasFlag(wxFULL_REPAINT_ON_RESIZE) ) { - ::InvalidateRect(GetHwnd(), NULL, FALSE /* erase bg */); + ::InvalidateRect(GetHwnd(), NULL, false /* erase bg */); } break; @@ -480,25 +439,25 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) // 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; - if ( !cursor.Ok() ) + if ( !cursor.IsOk() ) cursor = wxCURSOR_ARROW; ::SetCursor(GetHcursorOf(cursor)); // 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__ @@ -509,19 +468,3 @@ long wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) return rc; } - -#if wxUSE_CTL3D - -// Define for each class of dialog and control -WXHBRUSH wxDialog::OnCtlColor(WXHDC WXUNUSED(pDC), - WXHWND WXUNUSED(pWnd), - WXUINT WXUNUSED(nCtlColor), - WXUINT message, - WXWPARAM wParam, - WXLPARAM lParam) -{ - return (WXHBRUSH)Ctl3dCtlColorEx(message, wParam, lParam); -} - -#endif // wxUSE_CTL3D -