X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5f28de16f324fa833666ff02e274f7843a3fdd77..198be845897a79ba350ae7f93db536ddb2eccfb2:/src/common/containr.cpp diff --git a/src/common/containr.cpp b/src/common/containr.cpp index 3333232ec5..2f702e6f1a 100644 --- a/src/common/containr.cpp +++ b/src/common/containr.cpp @@ -24,13 +24,16 @@ #pragma hdrstop #endif +#ifndef WX_PRECOMP + #include "wx/containr.h" +#endif + #ifndef WX_PRECOMP #include "wx/log.h" #include "wx/event.h" #include "wx/window.h" #include "wx/scrolbar.h" #include "wx/radiobut.h" - #include "wx/containr.h" #endif //WX_PRECOMP // trace mask for focus messages @@ -40,54 +43,95 @@ // implementation // ============================================================================ -wxControlContainer::wxControlContainer(wxWindow *winParent) +// ---------------------------------------------------------------------------- +// wxControlContainerBase +// ---------------------------------------------------------------------------- + +void wxControlContainerBase::SetCanFocus(bool acceptsFocus) { - m_winParent = winParent; - m_winLastFocused = NULL; - m_inSetFocus = false; + if ( acceptsFocus == m_acceptsFocus ) + return; + + m_acceptsFocus = acceptsFocus; + + m_winParent->SetCanFocus(m_acceptsFocus); } -bool wxControlContainer::AcceptsFocus() const +bool wxControlContainerBase::HasAnyFocusableChildren() const { - // if we're not shown or disabled, we can't accept focus - if ( m_winParent->IsShown() && m_winParent->IsEnabled() ) + const wxWindowList& children = m_winParent->GetChildren(); + for ( wxWindowList::const_iterator i = children.begin(), + end = children.end(); + i != end; + ++i ) { - // otherwise we can accept focus either if we have no children at all - // (in this case we're probably not used as a container) or only when - // at least one child will accept focus - wxWindowList::compatibility_iterator node = m_winParent->GetChildren().GetFirst(); - if ( !node ) + const wxWindow * const child = *i; + + if ( !m_winParent->IsClientAreaChild(child) ) + continue; + + if ( child->CanAcceptFocus() ) return true; + } -#ifdef __WXMAC__ - // wxMac has eventually the two scrollbars as children, they don't count - // as real children in the algorithm mentioned above - bool hasRealChildren = false ; -#endif + return false; +} + +bool wxControlContainerBase::DoSetFocus() +{ + wxLogTrace(TRACE_FOCUS, _T("SetFocus on wxPanel 0x%p."), + m_winParent->GetHandle()); + + if (m_inSetFocus) + return true; - while ( node ) + // when the panel gets the focus we move the focus to either the last + // window that had the focus or the first one that can get it unless the + // focus had been already set to some other child + + wxWindow *win = wxWindow::FindFocus(); + while ( win ) + { + if ( win == m_winParent ) { - wxWindow *child = node->GetData(); - node = node->GetNext(); + // our child already has focus, don't take it away from it + return true; + } -#ifdef __WXMAC__ - if ( m_winParent->MacIsWindowScrollbar( child ) ) - continue; - hasRealChildren = true ; -#endif - if ( child->AcceptsFocus() ) - { - return true; - } + if ( win->IsTopLevel() ) + { + // don't look beyond the first top level parent - useless and + // unnecessary + break; } -#ifdef __WXMAC__ - if ( !hasRealChildren ) - return true ; -#endif + win = win->GetParent(); } - return false; + // protect against infinite recursion: + m_inSetFocus = true; + + bool ret = SetFocusToChild(); + + m_inSetFocus = false; + + return ret; +} + +bool wxControlContainerBase::SetFocusToChild() +{ + return wxSetFocusToChild(m_winParent, &m_winLastFocused); +} + +#ifndef wxHAS_NATIVE_TAB_TRAVERSAL + +// ---------------------------------------------------------------------------- +// generic wxControlContainer +// ---------------------------------------------------------------------------- + +wxControlContainer::wxControlContainer() +{ + m_winLastFocused = NULL; } void wxControlContainer::SetLastFocus(wxWindow *win) @@ -132,12 +176,16 @@ void wxControlContainer::SetLastFocus(wxWindow *win) } // propagate the last focus upwards so that our parent can set focus back - // to us if it loses it now and regains later - wxWindow *parent = m_winParent->GetParent(); - if ( parent ) + // to us if it loses it now and regains later; do *not* do this if we are + // a toplevel window (e.g. wxDialog) that has another frame as its parent + if ( !m_winParent->IsTopLevel() ) { - wxChildFocusEvent eventFocus(m_winParent); - parent->GetEventHandler()->ProcessEvent(eventFocus); + wxWindow *parent = m_winParent->GetParent(); + if ( parent ) + { + wxChildFocusEvent eventFocus(m_winParent); + parent->GetEventHandler()->ProcessEvent(eventFocus); + } } } @@ -146,7 +194,7 @@ void wxControlContainer::SetLastFocus(wxWindow *win) // within the same group. Used by wxSetFocusToChild on wxMSW // -------------------------------------------------------------------- -#ifdef __WXMSW__ +#if defined(__WXMSW__) && wxUSE_RADIOBTN wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn) { @@ -369,12 +417,12 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) if ( winFocus ) { -#ifdef __WXMSW__ +#if defined(__WXMSW__) && wxUSE_RADIOBTN // If we are in a radio button group, start from the first item in the // group if ( event.IsFromTab() && wxIsKindOf(winFocus, wxRadioButton ) ) winFocus = wxGetFirstButtonInGroup((wxRadioButton*)winFocus); -#endif +#endif // __WXMSW__ // ok, we found the focus - now is it our child? start_node = children.Find( winFocus ); } @@ -448,7 +496,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) wxWindow *child = node->GetData(); -#ifdef __WXMSW__ +#if defined(__WXMSW__) && wxUSE_RADIOBTN if ( event.IsFromTab() ) { if ( wxIsKindOf(child, wxRadioButton) ) @@ -504,7 +552,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) } #endif // __WXMSW__ - if ( child->AcceptsFocusFromKeyboard() ) + if ( child->CanAcceptFocusFromKeyboard() ) { // if we're setting the focus to a child panel we should prevent it // from giving it to the child which had the focus the last time @@ -549,47 +597,6 @@ void wxControlContainer::HandleOnWindowDestroy(wxWindowBase *child) // focus handling // ---------------------------------------------------------------------------- -bool wxControlContainer::DoSetFocus() -{ - wxLogTrace(TRACE_FOCUS, _T("SetFocus on wxPanel 0x%p."), - m_winParent->GetHandle()); - - if (m_inSetFocus) - return true; - - // when the panel gets the focus we move the focus to either the last - // window that had the focus or the first one that can get it unless the - // focus had been already set to some other child - - wxWindow *win = wxWindow::FindFocus(); - while ( win ) - { - if ( win == m_winParent ) - { - // our child already has focus, don't take it away from it - return true; - } - - if ( win->IsTopLevel() ) - { - // don't look beyond the first top level parent - useless and - // unnecessary - break; - } - - win = win->GetParent(); - } - - // protect against infinite recursion: - m_inSetFocus = true; - - bool ret = SetFocusToChild(); - - m_inSetFocus = false; - - return ret; -} - void wxControlContainer::HandleOnFocus(wxFocusEvent& event) { wxLogTrace(TRACE_FOCUS, _T("OnFocus on wxPanel 0x%p, name: %s"), @@ -601,11 +608,18 @@ void wxControlContainer::HandleOnFocus(wxFocusEvent& event) event.Skip(); } + +#else + // wxHAS_NATIVE_TAB_TRAVERSAL + bool wxControlContainer::SetFocusToChild() { - return wxSetFocusToChild(m_winParent, &m_winLastFocused); + return wxSetFocusToChild(m_winParent, NULL); } + +#endif // !wxHAS_NATIVE_TAB_TRAVERSAL + // ---------------------------------------------------------------------------- // SetFocusToChild(): this function is used by wxPanel but also by wxFrame in // wxMSW, this is why it is outside of wxControlContainer class @@ -614,10 +628,10 @@ bool wxControlContainer::SetFocusToChild() bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) { wxCHECK_MSG( win, false, _T("wxSetFocusToChild(): invalid window") ); - wxCHECK_MSG( childLastFocused, false, - _T("wxSetFocusToChild(): NULL child poonter") ); + // wxCHECK_MSG( childLastFocused, false, + // _T("wxSetFocusToChild(): NULL child poonter") ); - if ( *childLastFocused ) + if ( childLastFocused && *childLastFocused ) { // It might happen that the window got reparented if ( (*childLastFocused)->GetParent() == win ) @@ -645,14 +659,13 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) wxWindow *child = node->GetData(); node = node->GetNext(); -#ifdef __WXMAC__ - if ( child->GetParent()->MacIsWindowScrollbar( child ) ) + // skip special windows: + if ( !win->IsClientAreaChild(child) ) continue; -#endif - - if ( child->AcceptsFocusFromKeyboard() && !child->IsTopLevel() ) + + if ( child->CanAcceptFocusFromKeyboard() && !child->IsTopLevel() ) { -#ifdef __WXMSW__ +#if defined(__WXMSW__) && wxUSE_RADIOBTN // If a radiobutton is the first focusable child, search for the // selected radiobutton in the same group wxRadioButton* btn = wxDynamicCast(child, wxRadioButton); @@ -662,13 +675,14 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) if (selected) child = selected; } -#endif +#endif // __WXMSW__ wxLogTrace(TRACE_FOCUS, _T("SetFocusToChild() => first child (0x%p)."), child->GetHandle()); - *childLastFocused = child; + if (childLastFocused) + *childLastFocused = child; child->SetFocusFromKbd(); return true; } @@ -676,3 +690,4 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) return false; } +