X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ff1b620e8facdfa0418d9fd0fafeb25d188138e..22886fb3c34356d015591846f343344733a03149:/src/common/containr.cpp diff --git a/src/common/containr.cpp b/src/common/containr.cpp index 67823965b2..185f8098d9 100644 --- a/src/common/containr.cpp +++ b/src/common/containr.cpp @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "containr.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -44,6 +40,9 @@ #include "wx/radiobut.h" #endif +// trace mask for focus messages +#define TRACE_FOCUS _T("focus") + // ============================================================================ // implementation // ============================================================================ @@ -133,13 +132,13 @@ void wxControlContainer::SetLastFocus(wxWindow *win) if ( win ) { - wxLogTrace(_T("focus"), _T("Set last focus to %s(%s)"), + wxLogTrace(TRACE_FOCUS, _T("Set last focus to %s(%s)"), win->GetClassInfo()->GetClassName(), win->GetLabel().c_str()); } else { - wxLogTrace(_T("focus"), _T("No more last focus")); + wxLogTrace(TRACE_FOCUS, _T("No more last focus")); } } @@ -154,7 +153,7 @@ void wxControlContainer::SetLastFocus(wxWindow *win) } // -------------------------------------------------------------------- -// The following four functions are used to find other radio buttons +// The following four functions are used to find other radio buttons // within the same group. Used by wxSetFocusToChild on wxMSW // -------------------------------------------------------------------- @@ -180,14 +179,14 @@ wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn) nodeBefore = nodeBefore->GetPrevious(); } - + if (!prevBtn || prevBtn->HasFlag(wxRB_SINGLE)) { // no more buttons in group return NULL; } - else - return prevBtn; + + return prevBtn; } wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn) @@ -216,8 +215,8 @@ wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn) // no more buttons or the first button of the next group return NULL; } - else - return nextBtn; + + return nextBtn; } wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn) @@ -227,11 +226,23 @@ wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn) wxRadioButton* prevBtn = wxGetPreviousButtonInGroup(btn); if (!prevBtn) return btn; - + btn = prevBtn; } } +wxRadioButton* wxGetLastButtonInGroup(wxRadioButton *btn) +{ + while (true) + { + wxRadioButton* nextBtn = wxGetNextButtonInGroup(btn); + if (!nextBtn) + return btn; + + btn = nextBtn; + } +} + wxRadioButton* wxGetSelectedButtonInGroup(wxRadioButton *btn) { // Find currently selected button @@ -256,7 +267,7 @@ wxRadioButton* wxGetSelectedButtonInGroup(wxRadioButton *btn) return NULL; } -#endif __WXMSW__ +#endif // __WXMSW__ // ---------------------------------------------------------------------------- // Keyboard handling - this is the place where the TAB traversal logic is @@ -291,7 +302,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) } // where are we going? - bool forward = event.GetDirection(); + const bool forward = event.GetDirection(); // the node of the children list from which we should start looking for the // next acceptable child @@ -308,11 +319,8 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) // start from first or last depending on where we're going node = forward ? children.GetFirst() : children.GetLast(); - - // we want to cycle over all nodes - start_node = wxWindowList::compatibility_iterator(); } - else + else // going up { // try to find the child which has the focus currently @@ -330,7 +338,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) if ( winFocus ) { #ifdef __WXMSW__ - // If we are in a radio button group, start from the first item in the + // 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); @@ -338,10 +346,6 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) // ok, we found the focus - now is it our child? start_node = children.Find( winFocus ); } - else - { - start_node = wxWindowList::compatibility_iterator(); - } if ( !start_node && m_winLastFocused ) { @@ -362,14 +366,24 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) } // we want to cycle over all elements passing by NULL - while ( node != start_node ) + for ( ;; ) { + // don't go into infinite loop + if ( start_node && node && node == start_node ) + break; + // Have we come to the last or first item on the panel? if ( !node ) { + if ( !start_node ) + { + // exit now as otherwise we'd loop forever + break; + } + if ( !goingDown ) { - // Check if our (may be grand) parent is another panel: if this + // Check if our (maybe grand) parent is another panel: if this // is the case, they will know what to do with this navigation // key and so give them the chance to process it instead of // looping inside this panel (normally, the focus will go to @@ -403,39 +417,62 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) wxWindow *child = node->GetData(); #ifdef __WXMSW__ - bool canSelectRadioButton = true; - if (!event.IsFromTab()) + if ( event.IsFromTab() ) { - // If navigating using cursor keys, make sure not to navigate out of a radio button group. - if (m_winLastFocused && wxIsKindOf(m_winLastFocused, wxRadioButton)) + if ( wxIsKindOf(child, wxRadioButton) ) { - if (!wxIsKindOf(child, wxRadioButton)) + // only radio buttons with either wxRB_GROUP or wxRB_SINGLE + // can be tabbed to + if ( child->HasFlag(wxRB_GROUP) ) { - child = forward ? - wxGetNextButtonInGroup((wxRadioButton*)m_winLastFocused) : - wxGetPreviousButtonInGroup((wxRadioButton*)m_winLastFocused); - if (!child) - { - event.Skip(false); - return; - } + // need to tab into the active button within a group + wxRadioButton *rb = wxGetSelectedButtonInGroup((wxRadioButton*)child); + if ( rb ) + child = rb; + } + else if ( !child->HasFlag(wxRB_SINGLE) ) + { + node = forward ? node->GetNext() : node->GetPrevious(); + continue; } } } - else + else if ( m_winLastFocused && + wxIsKindOf(m_winLastFocused, wxRadioButton) && + !m_winLastFocused->HasFlag(wxRB_SINGLE) ) { - // If navigating using tabs, skip all but the first radio button in a group. - if (wxIsKindOf(child, wxRadioButton)) + // cursor keys don't navigate out of a radio button group so + // find the correct radio button to focus + if ( forward ) + { + child = wxGetNextButtonInGroup((wxRadioButton*)m_winLastFocused); + if ( !child ) + { + // no next button in group, set it to the first button + child = wxGetFirstButtonInGroup((wxRadioButton*)m_winLastFocused); + } + } + else { - if (wxGetPreviousButtonInGroup((wxRadioButton*)child)) - canSelectRadioButton = false; + child = wxGetPreviousButtonInGroup((wxRadioButton*)m_winLastFocused); + if ( !child ) + { + // no previous button in group, set it to the last button + child = wxGetLastButtonInGroup((wxRadioButton*)m_winLastFocused); + } + } + + if ( child == m_winLastFocused ) + { + // must be a group consisting of only one button therefore + // no need to send a navigation event + event.Skip(false); + return; } } -#else - static bool canSelectRadioButton = true; -#endif +#endif // __WXMSW__ - if ( child->AcceptsFocusFromKeyboard() && canSelectRadioButton ) + if ( child->AcceptsFocusFromKeyboard() ) { // 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 @@ -443,18 +480,6 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event ) // direction we're coming event.SetEventObject(m_winParent); -#if defined(__WXMSW__) - // we need to hop to the next activated - // radio button, not just the next radio - // button under MSW - if (wxIsKindOf(child, wxRadioButton) && event.IsFromTab()) - { - wxRadioButton *rb = wxGetSelectedButtonInGroup((wxRadioButton*)child); - if (rb) - child = rb; - } -#endif // __WXMSW__ - // disable propagation for this call as otherwise the event might // bounce back to us. wxPropagationDisabler disableProp(event); @@ -500,8 +525,8 @@ void wxControlContainer::HandleOnWindowDestroy(wxWindowBase *child) bool wxControlContainer::DoSetFocus() { - wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08lx."), - (unsigned long)m_winParent->GetHandle()); + wxLogTrace(TRACE_FOCUS, _T("SetFocus on wxPanel 0x%p."), + m_winParent->GetHandle()); if (m_inSetFocus) return true; @@ -541,8 +566,8 @@ bool wxControlContainer::DoSetFocus() void wxControlContainer::HandleOnFocus(wxFocusEvent& event) { - wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08lx, name: %s"), - (unsigned long)m_winParent->GetHandle(), + wxLogTrace(TRACE_FOCUS, _T("OnFocus on wxPanel 0x%p, name: %s"), + m_winParent->GetHandle(), m_winParent->GetName().c_str() ); DoSetFocus(); @@ -571,9 +596,9 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) // It might happen that the window got reparented if ( (*childLastFocused)->GetParent() == win ) { - wxLogTrace(_T("focus"), - _T("SetFocusToChild() => last child (0x%08lx)."), - (unsigned long)(*childLastFocused)->GetHandle()); + wxLogTrace(TRACE_FOCUS, + _T("SetFocusToChild() => last child (0x%p)."), + (*childLastFocused)->GetHandle()); // not SetFocusFromKbd(): we're restoring focus back to the old // window and not setting it as the result of a kbd action @@ -596,7 +621,7 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) if ( child->AcceptsFocusFromKeyboard() && !child->IsTopLevel() ) { #ifdef __WXMSW__ - // If a radiobutton is the first focusable child, search for the + // If a radiobutton is the first focusable child, search for the // selected radiobutton in the same group wxRadioButton* btn = wxDynamicCast(child, wxRadioButton); if (btn) @@ -607,9 +632,9 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused) } #endif - wxLogTrace(_T("focus"), - _T("SetFocusToChild() => first child (0x%08lx)."), - (unsigned long)child->GetHandle()); + wxLogTrace(TRACE_FOCUS, + _T("SetFocusToChild() => first child (0x%p)."), + child->GetHandle()); *childLastFocused = child; child->SetFocusFromKbd();