X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e320a79f187558effb04d92020b470372bbe456..fb8d7eb7a880f1f2e32d8830f9c5e12b2536e05f:/src/os2/dialog.cpp?ds=sidebyside diff --git a/src/os2/dialog.cpp b/src/os2/dialog.cpp index bf3cae5e35..c6520d9698 100644 --- a/src/os2/dialog.cpp +++ b/src/os2/dialog.cpp @@ -1,286 +1,319 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dialog.cpp +// Name: src/os2/dialog.cpp // Purpose: wxDialog class -// Author: AUTHOR +// Author: David Webster // Modified by: -// Created: ??/??/98 +// Created: 10/14/99 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) David Webster +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dialog.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #include "wx/dialog.h" -#include "wx/utils.h" -#include "wx/frame.h" -#include "wx/app.h" -#include "wx/settings.h" - -// Lists to keep track of windows, so we can disable/enable them -// for modal dialogs -wxList wxModalDialogs; -wxList wxModelessWindows; // Frames and modeless dialogs -extern wxList wxPendingDelete; - -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxDialog, wxPanel) - -BEGIN_EVENT_TABLE(wxDialog, wxPanel) - 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() +#ifndef WX_PRECOMP + #include "wx/utils.h" + #include "wx/frame.h" + #include "wx/app.h" + #include "wx/settings.h" + #include "wx/intl.h" + #include "wx/log.h" #endif -wxDialog::wxDialog() -{ - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); -} +#include "wx/os2/private.h" +#include "wx/evtloop.h" +#include "wx/scopedptr.h" +#include "wx/modalhook.h" + +#define wxDIALOG_DEFAULT_X 300 +#define wxDIALOG_DEFAULT_Y 300 + +#define wxDIALOG_DEFAULT_WIDTH 500 +#define wxDIALOG_DEFAULT_HEIGHT 500 -bool wxDialog::Create(wxWindow *parent, wxWindowID id, - const wxString& title, - const wxPoint& pos, - const wxSize& size, - long style, - const wxString& name) + +// ---------------------------------------------------------------------------- +// 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 { - m_windowStyle = style; +public: + wxDialogModalData(wxDialog *dialog) : m_evtLoop(dialog) { } + + void RunLoop() + { + m_evtLoop.Run(); + } - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetName(name); - - if (!parent) - wxTopLevelWindows.Append(this); + void ExitLoop() + { + m_evtLoop.Exit(); + } - if (parent) parent->AddChild(this); +private: + wxModalEventLoop m_evtLoop; +}; - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; +wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData); - // TODO: create dialog +// ============================================================================ +// implementation +// ============================================================================ - return FALSE; -} +// ---------------------------------------------------------------------------- +// wxDialog construction +// ---------------------------------------------------------------------------- -void wxDialog::SetModal(bool flag) +void wxDialog::Init() +{ + m_pOldFocus = NULL; + m_isShown = false; + m_pWindowDisabler = NULL; + m_modalData = NULL; + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); +} // end of wxDialog::Init + +bool wxDialog::Create( wxWindow* pParent, + wxWindowID vId, + const wxString& rsTitle, + const wxPoint& rPos, + const wxSize& rSize, + long lStyle, + const wxString& rsName ) +{ + Init(); + SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); + + // + // Save focus before doing anything which can potentially change it + // + m_pOldFocus = FindFocus(); + + // + // All dialogs should really have this style + // + lStyle |= wxTAB_TRAVERSAL; + + if (!wxTopLevelWindow::Create( pParent + ,vId + ,rsTitle + ,rPos + ,rSize + ,lStyle + ,rsName + )) + return false; + + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + + // + // Must defer setting the title until after dialog is created and sized + // + if ( !rsTitle.empty() ) + SetTitle(rsTitle); + return true; +} // end of wxDialog::Create + +#if WXWIN_COMPATIBILITY_2_6 + +// deprecated ctor +wxDialog::wxDialog(wxWindow *parent, + const wxString& title, + bool WXUNUSED(modal), + int x, + int y, + int w, + int h, + long style, + const wxString& name) { - if ( flag ) - m_windowStyle |= wxDIALOG_MODAL ; - else - if ( m_windowStyle & wxDIALOG_MODAL ) - m_windowStyle -= wxDIALOG_MODAL ; - - wxModelessWindows.DeleteObject(this); - if (!flag) - wxModelessWindows.Append(this); + Init(); + + Create(parent, wxID_ANY, title, wxPoint(x, y), wxSize(w, h), style, name); } +void wxDialog::SetModal(bool WXUNUSED(bFlag)) +{ + // nothing to do, obsolete method +} // end of wxDialog::SetModal + +#endif // WXWIN_COMPATIBILITY_2_6 + wxDialog::~wxDialog() { - // TODO - wxTopLevelWindows.DeleteObject(this); + SendDestroyEvent(); - if ( (GetWindowStyleFlag() & wxDIALOG_MODAL) != wxDIALOG_MODAL ) - wxModelessWindows.DeleteObject(this); + // this will also reenable all the other windows for a modal dialog + Show(false); +} // end of wxDialog::~wxDialog - // If this is the last top-level window, exit. - if (wxTheApp && (wxTopLevelWindows.Number() == 0)) - { - wxTheApp->SetTopWindow(NULL); +// ---------------------------------------------------------------------------- +// showing the dialogs +// ---------------------------------------------------------------------------- - if (wxTheApp->GetExitOnFrameDelete()) - { - // TODO: exit - } - } -} +#if WXWIN_COMPATIBILITY_2_6 -// By default, pressing escape cancels the dialog -void wxDialog::OnCharHook(wxKeyEvent& event) +bool wxDialog::IsModalShowing() const { - if (event.m_keyCode == WXK_ESCAPE) - { - // Behaviour changed in 2.0: we'll send a Cancel message - // to the dialog instead of Close. - wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); - cancelEvent.SetEventObject( this ); - GetEventHandler()->ProcessEvent(cancelEvent); - - return; - } - // We didn't process this event. - event.Skip(); -} + return IsModal(); +} // end of wxDialog::IsModalShowing -void wxDialog::Iconize(bool WXUNUSED(iconize)) -{ - // TODO -} +#endif // WXWIN_COMPATIBILITY_2_6 -bool wxDialog::IsIconized() const +bool wxDialog::Show( bool bShow ) { - // TODO - return FALSE; -} + if ( bShow == IsShown() ) + return false; -void wxDialog::SetClientSize(int width, int height) -{ - // TODO -} + if (!bShow && m_modalData ) + { + // 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(); +#if 0 + wxDELETE(m_pWindowDisabler); +#endif + } -void wxDialog::GetPosition(int *x, int *y) const -{ - // TODO -} + if (bShow) + { + if (CanDoLayoutAdaptation()) + DoLayoutAdaptation(); -bool wxDialog::Show(bool show) -{ - // TODO - return FALSE; -} + // 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(); + } -void wxDialog::SetTitle(const wxString& title) -{ - // TODO -} + wxDialogBase::Show(bShow); -wxString wxDialog::GetTitle() const -{ - // TODO - return wxString(""); -} + wxString title = GetTitle(); + if (!title.empty()) + ::WinSetWindowText((HWND)GetHwnd(), title.c_str()); -void wxDialog::Centre(int direction) -{ - int x_offset,y_offset ; - int display_width, display_height; - int width, height, x, y; - wxWindow *parent = GetParent(); - if ((direction & wxCENTER_FRAME) && parent) - { - parent->GetPosition(&x_offset,&y_offset) ; - parent->GetSize(&display_width,&display_height) ; - } - else - { - wxDisplaySize(&display_width, &display_height); - x_offset = 0 ; - y_offset = 0 ; - } - - GetSize(&width, &height); - GetPosition(&x, &y); - - if (direction & wxHORIZONTAL) - x = (int)((display_width - width)/2); - if (direction & wxVERTICAL) - y = (int)((display_height - height)/2); - - SetSize(x+x_offset, y+y_offset, width, height); -} + if ( bShow ) + { + // dialogs don't get WM_SIZE message after creation unlike most (all?) + // other windows and so could start their life not 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(); + } -// Replacement for Show(TRUE) for modal dialogs - returns return code + return true; +} // end of wxDialog::Show + +// +// Replacement for Show(true) for modal dialogs - returns return code +// int wxDialog::ShowModal() { - m_windowStyle |= wxDIALOG_MODAL; - // TODO: modal showing - Show(TRUE); - return GetReturnCode(); -} + WX_HOOK_MODAL_DIALOG(); -void wxDialog::EndModal(int retCode) -{ - SetReturnCode(retCode); - // TODO modal un-showing - Show(FALSE); -} + wxASSERT_MSG( !IsModal(), wxT("wxDialog::ShowModal() reentered?") ); -// Standard buttons -void wxDialog::OnOK(wxCommandEvent& event) -{ - if ( Validate() && TransferDataFromWindow() ) - { - if ( IsModal() ) - EndModal(wxID_OK); - else + m_endModalCalled = false; + + Show(); + + // EndModal may have been called from InitDialog handler (called from + // inside Show()), which would cause an infinite loop if we didn't take it + // into account + if ( !m_endModalCalled ) + { + // modal dialog needs a parent window, so try to find one + wxWindow * const parent = GetParentForModalDialog(); + + // remember where the focus was + wxWindow *oldFocus = m_pOldFocus; + if ( !oldFocus ) { - SetReturnCode(wxID_OK); - this->Show(FALSE); + // VZ: do we really want to do this? + oldFocus = parent; } - } -} -void wxDialog::OnApply(wxCommandEvent& event) -{ - if (Validate()) - TransferDataFromWindow(); - // TODO probably need to disable the Apply button until things change again -} + // 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 = oldFocus ? GetHwndOf(oldFocus) : NULL; -void wxDialog::OnCancel(wxCommandEvent& event) -{ - if ( IsModal() ) - EndModal(wxID_CANCEL); - else - { - SetReturnCode(wxID_CANCEL); - this->Show(FALSE); + + // + // Before entering the modal loop, reset the "is in OnIdle()" flag (see + // comment in app.cpp) + // + extern bool gbInOnIdle; + bool bWasInOnIdle = gbInOnIdle; + + gbInOnIdle = false; + + // enter and run the modal loop + { + wxDialogModalDataTiedPtr modalData(&m_modalData, + new wxDialogModalData(this)); + modalData->RunLoop(); + } + gbInOnIdle = bWasInOnIdle; + + // 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) && ::WinIsWindow(vHabmain, hwndOldFocus)) + { + // This is likely to prove that the object still exists + if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus) + oldFocus->SetFocus(); + } } -} -void wxDialog::OnCloseWindow(wxCloseEvent& 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. - - 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 - - closing.DeleteObject(this); -} + return GetReturnCode(); +} // end of wxDialog::ShowModal -// Destroy the window (delayed, if a managed window) -bool wxDialog::Destroy() +void wxDialog::EndModal( + int nRetCode +) { - if (!wxPendingDelete.Member(this)) - wxPendingDelete.Append(this); - return TRUE; -} + wxASSERT_MSG( IsModal(), wxT("EndModal() called for non modal dialog") ); -void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& event) -{ - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - Refresh(); -} + m_endModalCalled = true; + SetReturnCode(nRetCode); -void wxDialog::Fit() + Hide(); +} // end of wxDialog::EndModal + +MRESULT wxDialog::OS2WindowProc( WXUINT uMessage, WXWPARAM wParam, WXLPARAM lParam ) { -} + MRESULT rc = 0; + bool bProcessed = false; + + switch (uMessage) + { + case WM_CLOSE: + // + // If we can't close, tell the system that we processed the + // message - otherwise it would close us + // + bProcessed = !Close(); + break; + } + + if (!bProcessed) + rc = wxWindow::OS2WindowProc( uMessage + ,wParam + ,lParam + ); + return rc; +} // end of wxDialog::OS2WindowProc