X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1c067fe3c1e752658c63b4d556eb6a5468213860..1b88c4e4a6ee616da3309e28b7500fa80fbd5240:/src/msw/dialog.cpp diff --git a/src/msw/dialog.cpp b/src/msw/dialog.cpp index 96d9a13b64..592c23a9bc 100644 --- a/src/msw/dialog.cpp +++ b/src/msw/dialog.cpp @@ -24,8 +24,10 @@ #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" @@ -33,23 +35,17 @@ #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" #include "wx/evtloop.h" -#include "wx/ptr_scpd.h" - -#include "wx/msw/wrapcdlg.h" +#include "wx/scopedptr.h" #if defined(__SMARTPHONE__) && defined(__WXWINCE__) #include "wx/msw/wince/resources.h" #endif // __SMARTPHONE__ && __WXWINCE__ -#if wxUSE_TOOLBAR && defined(__POCKETPC__) -#include "wx/toolbar.h" -#endif - // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- @@ -112,16 +108,6 @@ wxCONSTRUCTOR_6( wxDialog , wxWindow* , Parent , wxWindowID , Id , wxString , Ti 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) - - EVT_SYS_COLOUR_CHANGED(wxDialog::OnSysColourChanged) - - EVT_CLOSE(wxDialog::OnCloseWindow) -END_EVENT_TABLE() - // ---------------------------------------------------------------------------- // wxDialogModalData // ---------------------------------------------------------------------------- @@ -159,13 +145,14 @@ wxDEFINE_TIED_SCOPED_PTR_TYPE(wxDialogModalData) void wxDialog::Init() { - m_oldFocus = (wxWindow *)NULL; m_isShown = false; m_modalData = NULL; - m_endModalCalled = false; #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, @@ -178,9 +165,6 @@ bool wxDialog::Create(wxWindow *parent, { 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; @@ -197,69 +181,33 @@ bool wxDialog::Create(wxWindow *parent, CreateToolBar(); #endif - return true; -} - -// 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) -{ - Init(); +#if wxUSE_DIALOG_SIZEGRIP + if ( HasFlag(wxRESIZE_BORDER) ) + { + CreateGripper(); - Create(parent, wxID_ANY, title, wxPoint(x, y), wxSize(w, h), style, name); -} + Connect(wxEVT_CREATE, + wxWindowCreateEventHandler(wxDialog::OnWindowCreate)); + } +#endif // wxUSE_DIALOG_SIZEGRIP -void wxDialog::SetModal(bool WXUNUSED(flag)) -{ - // nothing to do, obsolete method + return true; } wxDialog::~wxDialog() { - m_isBeingDeleted = true; - // this will also reenable all the other windows for a modal dialog Show(false); + +#if wxUSE_DIALOG_SIZEGRIP + DestroyGripper(); +#endif // wxUSE_DIALOG_SIZEGRIP } // ---------------------------------------------------------------------------- // showing the dialogs // ---------------------------------------------------------------------------- -bool wxDialog::IsModalShowing() const -{ - return IsModal(); -} - -wxWindow *wxDialog::FindSuitableParent() const -{ - // 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(); - } - - // finally, check if the parent we found is really suitable - if ( !parent || parent == (wxWindow *)this || !parent->IsShown() ) - { - // don't use this one - parent = NULL; - } - - return parent; -} - bool wxDialog::Show(bool show) { if ( show == IsShown() ) @@ -277,6 +225,9 @@ bool wxDialog::Show(bool show) if ( show ) { + if (CanDoLayoutAdaptation()) + DoLayoutAdaptation(); + // 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 @@ -287,13 +238,15 @@ bool wxDialog::Show(bool show) 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 + // 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 - Layout(); + const wxSize size = GetClientSize(); + ::SendMessage(GetHwnd(), WM_SIZE, + SIZE_RESTORED, MAKELPARAM(size.x, size.y)); } return true; @@ -307,56 +260,18 @@ void wxDialog::Raise() // show dialog modally int wxDialog::ShowModal() { - wxASSERT_MSG( !IsModal(), _T("wxDialog::ShowModal() reentered?") ); - - m_endModalCalled = false; + wxASSERT_MSG( !IsModal(), wxT("ShowModal() can't be called twice") ); 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 ) + // inside Show()) and hidden the dialog back again + if ( IsShown() ) { - // modal dialog needs a parent window, so try to find one - wxWindow *parent = GetParent(); - if ( !parent ) - { - parent = FindSuitableParent(); - } - - // remember where the focus was - wxWindow *oldFocus = m_oldFocus; - if ( !oldFocus ) - { - // VZ: do we really want to do this? - oldFocus = parent; - } - - // 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; - - // enter and run the modal loop - { - wxDialogModalDataTiedPtr modalData(&m_modalData, - new wxDialogModalData(this)); - modalData->RunLoop(); - } - - - // 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)) - { - // This is likely to prove that the object still exists - if (wxFindWinFromHandle((WXHWND) hwndOldFocus) == oldFocus) - oldFocus->SetFocus(); - } + wxDialogModalDataTiedPtr modalData(&m_modalData, + new wxDialogModalData(this)); + modalData->RunLoop(); } return GetReturnCode(); @@ -364,95 +279,113 @@ int wxDialog::ShowModal() void wxDialog::EndModal(int retCode) { - wxASSERT_MSG( IsModal(), _T("EndModal() called for non modal dialog") ); + wxASSERT_MSG( IsModal(), wxT("EndModal() called for non modal dialog") ); - m_endModalCalled = true; SetReturnCode(retCode); Hide(); } -void wxDialog::EndDialog(int rc) -{ - if ( IsModal() ) - EndModal(rc); - else - Hide(); -} - // ---------------------------------------------------------------------------- -// wxWin event handlers +// wxDialog gripper handling // ---------------------------------------------------------------------------- -bool wxDialog::EmulateButtonClickIfPresent(int id) -{ - wxButton *btn = wxDynamicCast(FindWindow(id), wxButton); - - if ( !btn || !btn->IsEnabled() || !btn->IsShown() ) - return false; - - btn->MSWCommand(BN_CLICKED, 0 /* unused */); - return true; -} +#if wxUSE_DIALOG_SIZEGRIP -// Standard buttons -void wxDialog::OnOK(wxCommandEvent& WXUNUSED(event)) +void wxDialog::SetWindowStyleFlag(long style) { - if ( Validate() && TransferDataFromWindow() ) - { - EndDialog(wxID_OK); - } + wxDialogBase::SetWindowStyleFlag(style); + + if ( HasFlag(wxRESIZE_BORDER) ) + CreateGripper(); + else + DestroyGripper(); } -void wxDialog::OnApply(wxCommandEvent& WXUNUSED(event)) +void wxDialog::CreateGripper() { - if ( Validate() ) - TransferDataFromWindow(); - - // TODO probably need to disable the Apply button until things change again + if ( !m_hGripper ) + { + // 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 + ); + } } -void wxDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) +void wxDialog::DestroyGripper() { - EndDialog(wxID_CANCEL); + if ( m_hGripper ) + { + // 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; + } } -void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) +void wxDialog::ShowGripper(bool show) { - // We'll send a Cancel message by default, which may close the dialog. - // Check for looping if the Cancel event handler calls Close(). + wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") ); - // 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. + if ( show ) + ResizeGripper(); - // 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; + ::ShowWindow((HWND)m_hGripper, show ? SW_SHOW : SW_HIDE); +} - if ( closing.Member(this) ) - return; +void wxDialog::ResizeGripper() +{ + wxASSERT_MSG( m_hGripper, wxT("shouldn't be called if we have no gripper") ); - closing.Append(this); + HWND hwndGripper = (HWND)m_hGripper; - wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); - cancelEvent.SetEventObject( this ); - GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog + const wxRect rectGripper = wxRectFromRECT(wxGetWindowRect(hwndGripper)); + const wxSize size = GetClientSize() - rectGripper.GetSize(); - closing.DeleteObject(this); + ::SetWindowPos(hwndGripper, HWND_BOTTOM, + size.x, size.y, + rectGripper.width, rectGripper.height, + SWP_NOACTIVATE); } -void wxDialog::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) +void wxDialog::OnWindowCreate(wxWindowCreateEvent& event) { - SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); - Refresh(); + 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); + } + + event.Skip(); } +#endif // wxUSE_DIALOG_SIZEGRIP + +// ---------------------------------------------------------------------------- +// wxWin event handlers +// ---------------------------------------------------------------------------- + #ifdef __POCKETPC__ // Responds to the OK button in a PocketPC titlebar. This // can be overridden, or you can change the id used for @@ -466,7 +399,7 @@ bool wxDialog::DoOK() wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, GetAffirmativeId()); event.SetEventObject(this); - return GetEventHandler()->ProcessEvent(event); + return HandleWindowEvent(event); } #endif // __POCKETPC__ @@ -494,36 +427,6 @@ wxToolBar *wxDialog::OnCreateToolBar(long style, // dialog Windows messages processing // --------------------------------------------------------------------------- -bool wxDialog::MSWProcessMessage(WXMSG* pMsg) -{ - const MSG * const msg = wx_reinterpret_cast(MSG *, pMsg); - if ( msg->message == WM_KEYDOWN && msg->wParam == VK_ESCAPE ) - { - int idCancel = GetEscapeId(); - switch ( idCancel ) - { - case wxID_NONE: - // don't handle Esc specially at all - break; - - case wxID_ANY: - // this value is special: it means translate Esc to wxID_CANCEL - // but if there is no such button, then fall back to wxID_OK - if ( EmulateButtonClickIfPresent(wxID_CANCEL) ) - return true; - idCancel = wxID_OK; - // fall through - - default: - // translate Esc to button press for the button with given id - if ( EmulateButtonClickIfPresent(idCancel) ) - return true; - } - } - - return wxDialogBase::MSWProcessMessage(pMsg); -} - WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { WXLRESULT rc = 0; @@ -560,6 +463,21 @@ WXLRESULT wxDialog::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lPar 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 resizeable // at all and their standard class doesn't include CS_[VH]REDRAW // styles which means that the window is not refreshed properly