X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a91cf80c60aa43454a65a7a0c8db92b168848b98..13dec1dbebf7493e8bfea8584bf9c4b36a94849c:/src/msw/dialog.cpp diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index 7a3531d84b..b8b73d2525 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 ///////////////////////////////////////////////////////////////////////////// @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "dialog.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,59 +24,59 @@ #pragma hdrstop #endif +#include "wx/dialog.h" +#include "wx/modalhook.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 - #include -#endif - -// ---------------------------------------------------------------------------- -// constants -// ---------------------------------------------------------------------------- - -// default dialog pos and size +#include "wx/evtloop.h" +#include "wx/scopedptr.h" -#define wxDIALOG_DEFAULT_X 300 -#define wxDIALOG_DEFAULT_Y 300 - -#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) +// 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, wxTopLevelWindow) - 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 @@ -92,13 +88,14 @@ 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; +#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, @@ -109,384 +106,363 @@ 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::GetSystemFont(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 +// show dialog modally +int wxDialog::ShowModal() { - return wxModalDialogs.Find((wxDialog *)this) != NULL; // const_cast -} + WX_HOOK_MODAL_DIALOG(); -void wxDialog::DoShowModal() -{ - wxCHECK_RET( !IsModalShowing(), _T("DoShowModal() called twice") ); - wxCHECK_RET( IsModal(), _T("can't DoShowModal() modeless dialog") ); + wxASSERT_MSG( !IsModal(), wxT("ShowModal() can't be called twice") ); - wxModalDialogs.Append(this); + Show(); - wxWindow *parent = GetParent(); + // EndModal may have been called from InitDialog handler (called from + // inside Show()) and hidden the dialog back again + if ( IsShown() ) + { + // enter and run the modal loop + wxDialogModalDataTiedPtr modalData(&m_modalData, + new wxDialogModalData(this)); + modalData->RunLoop(); + } - wxWindow* oldFocus = m_oldFocus; + return GetReturnCode(); +} - // 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(); +void wxDialog::EndModal(int retCode) +{ + wxASSERT_MSG( IsModal(), wxT("EndModal() called for non modal dialog") ); - // remember where the focus was - if ( !oldFocus ) - { - oldFocus = parent; - if ( parent ) - hwndOldFocus = GetHwndOf(parent); - } + SetReturnCode(retCode); - // disable all other app windows - wxASSERT_MSG( !m_windowDisabler, _T("disabling windows twice?") ); + Hide(); +} - m_windowDisabler = new wxWindowDisabler(this); +// ---------------------------------------------------------------------------- +// wxDialog gripper handling +// ---------------------------------------------------------------------------- - // enter the modal loop - while ( IsModalShowing() ) - { -#if wxUSE_THREADS - wxMutexGuiLeaveOrEnter(); -#endif // wxUSE_THREADS +#if wxUSE_DIALOG_SIZEGRIP - while ( !wxTheApp->Pending() && wxTheApp->ProcessIdle() ) - ; +void wxDialog::SetWindowStyleFlag(long style) +{ + wxDialogBase::SetWindowStyleFlag(style); - // a message came or no more idle processing to do - wxTheApp->DoMessage(); - } + 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 ) - { - // usually will result in TransferDataToWindow() being called - InitDialog(); - } + ResizeGripper(); - if ( IsModal() ) - { - 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; - } - } - - DoShowModal(); - } - else // end of modal dialog - { - // this will cause IsModalShowing() return FALSE and our local - // message loop will terminate - wxModalDialogs.DeleteObject(this); - } - } - - return TRUE; + ::ShowWindow((HWND)m_hGripper, show ? SW_SHOW : SW_HIDE); } -// a special version for Show(TRUE) for modal dialogs which returns return code -int wxDialog::ShowModal() +void wxDialog::ResizeGripper() { - if ( !IsModal() ) - { - SetModal(TRUE); - } + wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") ); - Show(TRUE); + HWND hwndGripper = (HWND)m_hGripper; - return GetReturnCode(); + const wxRect rectGripper = wxRectFromRECT(wxGetWindowRect(hwndGripper)); + const wxSize size = GetClientSize() - rectGripper.GetSize(); + + ::SetWindowPos(hwndGripper, HWND_BOTTOM, + size.x, size.y, + rectGripper.width, rectGripper.height, + SWP_NOACTIVATE); } -// 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) +void wxDialog::OnWindowCreate(wxWindowCreateEvent& event) { - SetReturnCode(retCode); + if ( m_hGripper && IsShown() && + event.GetWindow() && event.GetWindow()->GetParent() == this ) + { + // 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(FALSE); + event.Skip(); } +#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_BUTTON, 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; + m_dialogToolBar = OnCreateToolBar(style, winid, name); - 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 - - 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::GetSystemColour(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 ) { -#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() ) - { - // 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 +#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 // 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: +#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(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; - 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__ } if ( !processed ) - rc = wxWindow::MSWWindowProc(message, wParam, lParam); + rc = wxDialogBase::MSWWindowProc(message, wParam, 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 -