X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d9506e775853406953c4b3ecd6f57b85abdafdfd..6363699a2849533e011a1757b46b33ecf1a54e57:/src/generic/panelg.cpp diff --git a/src/generic/panelg.cpp b/src/generic/panelg.cpp index e586d96323..1b36dff649 100644 --- a/src/generic/panelg.cpp +++ b/src/generic/panelg.cpp @@ -36,7 +36,8 @@ #include "wx/log.h" #endif -#include "wx/generic/panelg.h" +#include "wx/containr.h" +#include "wx/panel.h" // ---------------------------------------------------------------------------- // wxWin macros @@ -45,24 +46,26 @@ IMPLEMENT_DYNAMIC_CLASS(wxPanel, wxWindow) BEGIN_EVENT_TABLE(wxPanel, wxWindow) - EVT_SYS_COLOUR_CHANGED(wxPanel::OnSysColourChanged) - EVT_SET_FOCUS(wxPanel::OnFocus) - EVT_NAVIGATION_KEY(wxPanel::OnNavigationKey) - EVT_SIZE(wxPanel::OnSize) + EVT_SYS_COLOUR_CHANGED(wxPanel::OnSysColourChanged) + + EVT_SIZE(wxPanel::OnSize) + + WX_EVENT_TABLE_CONTROL_CONTAINER(wxPanel) END_EVENT_TABLE() // ============================================================================ // implementation // ============================================================================ +WX_DELEGATE_TO_CONTROL_CONTAINER(wxPanel) + // ---------------------------------------------------------------------------- // wxPanel creation // ---------------------------------------------------------------------------- void wxPanel::Init() { - m_winLastFocused = (wxWindow *)NULL; - m_btnDefault = (wxButton *)NULL; + m_container.SetContainerWindow(this); } bool wxPanel::Create(wxWindow *parent, wxWindowID id, @@ -71,20 +74,12 @@ bool wxPanel::Create(wxWindow *parent, wxWindowID id, long style, const wxString& name) { - bool ret = wxWindow::Create(parent, id, pos, size, style, name); - - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } - - return ret; + return wxWindow::Create(parent, id, pos, size, style, name); } -// ---------------------------------------------------------------------------- -// misc -// ---------------------------------------------------------------------------- +wxPanel::~wxPanel() +{ +} void wxPanel::InitDialog() { @@ -93,6 +88,10 @@ void wxPanel::InitDialog() GetEventHandler()->ProcessEvent(event); } +// ---------------------------------------------------------------------------- +// event handlers +// ---------------------------------------------------------------------------- + // Responds to colour changes, and passes event on to children. void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event) { @@ -103,285 +102,12 @@ void wxPanel::OnSysColourChanged(wxSysColourChangedEvent& event) wxWindow::OnSysColourChanged(event); } -void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event)) +void wxPanel::OnSize(wxSizeEvent& event) { #if wxUSE_CONSTRAINTS if (GetAutoLayout()) Layout(); -#endif -} - -// ---------------------------------------------------------------------------- -// Keyboard handling - this is the place where the TAB traversal logic is -// implemented. As this code is common to all ports, this ensures consistent -// behaviour even if we don't specify how exactly the wxNavigationKeyEvent are -// generated and this is done in platform specific code which also ensures that -// we can follow the given platform standards. -// ---------------------------------------------------------------------------- - -void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event ) -{ - // there is not much to do if we have only one child (or not at all) and - // we're not interested in "notebook page change" events here - if ( (GetChildren().GetCount() < 2) || event.IsWindowChange() ) - { - wxWindow *parent = GetParent(); - if ( !parent || !parent->GetEventHandler()->ProcessEvent(event) ) - { - event.Skip(); - } - - return; - } - - // where are we going? - bool forward = event.GetDirection(); - - // the node of the children list from which we should start looking for the - // next acceptable child - wxWindowList::Node *node, *start_node; - - // the event is propagated downwards if the event emitter was our parent - bool goingDown = event.GetEventObject() == GetParent(); - - const wxWindowList& children = GetChildren(); - - // we should start from the first/last control and not from the one which - // had focus the last time if we're propagating the event downwards because - // for our parent we look like a single control - if ( goingDown ) - { - // just to be sure it's not used (normally this is not necessary, but - // doesn't hurt neither) - m_winLastFocused = (wxWindow *)NULL; - - // 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::Node *)NULL; - } - else - { - // try to find the child which has the focus currently - - // the event emitter might have done this for us - wxWindow *winFocus = event.GetCurrentFocus(); - - // but if not, we might know where the focus was ourselves - if (!winFocus) - winFocus = m_winLastFocused; - - // if still no luck, do it the hard way - if (!winFocus) - winFocus = wxWindow::FindFocus(); - - if ( winFocus ) - { - // ok, we found the focus - now is it our child? - start_node = children.Find( winFocus ); - } - else - { - start_node = (wxWindowList::Node *)NULL; - } - - if ( !start_node && m_winLastFocused ) - { - // window which has focus isn't our child, fall back to the one - // which had the focus the last time - start_node = children.Find( m_winLastFocused ); - } - - // if we still didn't find anything, we should start with the first one - if ( !start_node ) - { - start_node = children.GetFirst(); - } - - // and the first child which we can try setting focus to is the next or - // the previous one - node = forward ? start_node->GetNext() : start_node->GetPrevious(); - } - - // we want to cycle over all elements passing by NULL - while ( node != start_node ) - { - // Have we come to the last or first item on the panel? - if ( !node ) - { - if ( !goingDown ) - { - // Check if our (may be 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 - // the next/previous item after this panel in the parent - // panel). - wxWindow *focussed_child_of_parent = this; - for ( wxWindow *parent = GetParent(); - parent; - parent = parent->GetParent() ) - { - // we don't want to tab into a different dialog or frame - if ( focussed_child_of_parent->IsTopLevel() ) - break; - - // is the parent a panel? - wxPanel *panel = wxDynamicCast(parent, wxPanel); - if (panel) - { - event.SetCurrentFocus( focussed_child_of_parent ); - if (parent->GetEventHandler()->ProcessEvent( event )) - return; - } - - focussed_child_of_parent = parent; - } - } - //else: as the focus came from our parent, we definitely don't want - // to send it back to it! - - // no, we are not inside another panel so process this ourself - node = forward ? children.GetFirst() : children.GetLast(); - - continue; - } - - wxWindow *child = node->GetData(); - - if ( child->AcceptsFocus() ) - { - m_winLastFocused = child; // should be redundant, but it is not - - // 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 - // and instead give it to the first/last child depending from which - // direction we're coming - wxPanel *subpanel = wxDynamicCast(child, wxPanel); - if ( subpanel ) - { - // trick the panel into thinking that it got the navigation - // event - instead of duplicating all the code here - // - // make sure that we do trick it by setting all the parameters - // correctly (consistently with the code in this very function - // above) and that it starts from the very beginning/end by - // using SetLastFocus(NULL) - subpanel->SetLastFocus((wxWindow *)NULL); - } - - event.SetEventObject(this); - if ( !child->GetEventHandler()->ProcessEvent(event) ) - { - // everything is simple: just give focus to it - child->SetFocus(); - } - //else: the child manages its focus itself - - return; - } - - node = forward ? node->GetNext() : node->GetPrevious(); - } - - // we cycled through all of our children and none of them wanted to accept - // focus +#endif // wxUSE_CONSTRAINTS event.Skip(); } -void wxPanel::SetFocus() -{ - wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08x."), GetHandle()); - - // If the panel gets the focus *by way of getting it set directly* - // we move the focus to the first window that can get it. - - // VZ: no, we set the focus to the last window too. I don't understand why - // should we make this distinction: if an app wants to set focus to - // some precise control, it may always do it directly, but if we don't - // use m_winLastFocused here, the focus won't be set correctly after a - // notebook page change nor after frame activation under MSW (it calls - // SetFocus too) - // - // RR: yes, when I the tab key to navigate in a panel with some controls and - // a notebook and the focus jumps to the notebook (typically coming from - // a button at the top) the notebook should focus the first child in the - // current notebook page, not the last one which would otherwise get the - // focus if you used the tab key to navigate from the current notebook - // page to button at the bottom. See every page in the controls sample. - // - // VZ: ok, but this still doesn't (at least I don't see how it can) take - // care of first/last child problem: i.e. if Shift-TAB is pressed in a - // situation like above, the focus should be given to the last child, - // not the first one (and not to the last focused one neither) - I - // think my addition to OnNavigationKey() above takes care of it. - // Keeping #ifdef __WXGTK__ for now, but please try removing it and see - // what happens. - -#ifdef __WXGTK__ - m_winLastFocused = (wxWindow *)NULL; -#endif // 0 - - if ( !SetFocusToChild() ) - { - wxWindow::SetFocus(); - } -} - -void wxPanel::OnFocus(wxFocusEvent& event) -{ - wxLogTrace(_T("focus"), _T("OnFocus on wxPanel 0x%08x."), GetHandle()); - - // If the panel gets the focus *by way of getting clicked on* - // we move the focus to either the last window that had the - // focus or the first one that can get it. - (void)SetFocusToChild(); - - event.Skip(); -} - -bool wxPanel::SetFocusToChild() -{ - if ( m_winLastFocused ) - { - // It might happen that the window got reparented or no longer accepts - // the focus. - if ( (m_winLastFocused->GetParent() == this) && - m_winLastFocused->AcceptsFocus() ) - { - wxLogTrace(_T("focus"), - _T("SetFocusToChild() => last child (0x%08x)."), - m_winLastFocused->GetHandle()); - - m_winLastFocused->SetFocus(); - return TRUE; - } - else - { - // it doesn't count as such any more - m_winLastFocused = (wxWindow *)NULL; - } - } - - // set the focus to the first child who wants it - wxWindowList::Node *node = GetChildren().GetFirst(); - while ( node ) - { - wxWindow *child = node->GetData(); - if ( child->AcceptsFocus() ) - { - wxLogTrace(_T("focus"), - _T("SetFocusToChild() => first child (0x%08x)."), - child->GetHandle()); - - m_winLastFocused = child; // should be redundant, but it is not - child->SetFocus(); - return TRUE; - } - - node = node->GetNext(); - } - - return FALSE; -}