X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ca65c0440a7163e4e37e48b1c4329709d722db47..e163773d412f8dd640c3b6d5b5cca018d4a974db:/src/generic/listbkg.cpp?ds=sidebyside diff --git a/src/generic/listbkg.cpp b/src/generic/listbkg.cpp index f0d5305697..517227b3a5 100644 --- a/src/generic/listbkg.cpp +++ b/src/generic/listbkg.cpp @@ -48,6 +48,13 @@ const wxCoord MARGIN = 5; // various wxWidgets macros // ---------------------------------------------------------------------------- +// check that the page index is valid +#define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount()) + +// ---------------------------------------------------------------------------- +// event table +// ---------------------------------------------------------------------------- + IMPLEMENT_DYNAMIC_CLASS(wxListbook, wxControl) IMPLEMENT_DYNAMIC_CLASS(wxListbookEvent, wxNotifyEvent) @@ -55,7 +62,7 @@ const wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING = wxNewEventType(); const wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED = wxNewEventType(); const int wxID_LISTBOOKLISTVIEW = wxNewId(); -BEGIN_EVENT_TABLE(wxListbook, wxBookCtrl) +BEGIN_EVENT_TABLE(wxListbook, wxBookCtrlBase) EVT_SIZE(wxListbook::OnSize) EVT_LIST_ITEM_SELECTED(wxID_LISTBOOKLISTVIEW, wxListbook::OnListSelected) END_EVENT_TABLE() @@ -165,7 +172,8 @@ wxRect wxListbook::GetPageRect() const { const wxSize sizeList = m_list->GetSize(); - wxRect rectPage(wxPoint(0, 0), GetClientSize()); + wxPoint pt(0, 0); + wxRect rectPage(pt, GetClientSize()); switch ( GetWindowStyle() & wxLB_ALIGN_MASK ) { default: @@ -233,7 +241,7 @@ void wxListbook::OnSize(wxSizeEvent& event) #if wxUSE_LINE_IN_LISTBOOK if ( m_line ) { - wxRect rectLine(wxPoint(0, 0), sizeClient); + wxRect rectLine(sizeClient); switch ( GetWindowStyle() & wxLB_ALIGN_MASK ) { @@ -262,23 +270,13 @@ void wxListbook::OnSize(wxSizeEvent& event) } #endif // wxUSE_LINE_IN_LISTBOOK - // we should always have some selection if possible - if ( m_selection == wxNOT_FOUND && GetPageCount() ) - { - SetSelection(0); - } - - if ( m_selection != wxNOT_FOUND ) + // resize the currently shown page + if (m_selection != wxNOT_FOUND ) { wxWindow *page = m_pages[m_selection]; wxCHECK_RET( page, _T("NULL page in wxListbook?") ); - page->SetSize(GetPageRect()); - if ( !page->IsShown() ) - { - page->Show(); } - } } wxSize wxListbook::CalcSizeFromPage(const wxSize& sizePage) const @@ -325,7 +323,7 @@ int wxListbook::GetPageImage(size_t WXUNUSED(n)) const bool wxListbook::SetPageImage(size_t n, int imageId) { - return m_list->SetItemImage(n, imageId, imageId); + return m_list->SetItemImage(n, imageId); } // ---------------------------------------------------------------------------- @@ -336,7 +334,7 @@ void wxListbook::SetImageList(wxImageList *imageList) { m_list->SetImageList(imageList, wxIMAGE_LIST_NORMAL); - wxBookCtrl::SetImageList(imageList); + wxBookCtrlBase::SetImageList(imageList); } // ---------------------------------------------------------------------------- @@ -350,25 +348,40 @@ int wxListbook::GetSelection() const int wxListbook::SetSelection(size_t n) { - wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND, - _T("invalid page index in wxListbook::SetSelection()") ); + wxCHECK_MSG( IS_VALID_PAGE(n), wxNOT_FOUND, + wxT("invalid page index in wxListbook::SetSelection()") ); - int selOld = m_selection; + const int oldSel = m_selection; - if ( (int)n != m_selection ) + if ( int(n) != m_selection ) { - m_list->Select(n); - m_list->Focus(n); + wxListbookEvent event(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, m_windowId); + event.SetSelection(n); + event.SetOldSelection(m_selection); + event.SetEventObject(this); + if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) + { + if ( m_selection != wxNOT_FOUND ) + m_pages[m_selection]->Hide(); + + wxWindow *page = m_pages[n]; + page->SetSize(GetPageRect()); + page->Show(); + + // change m_selection now to ignore the selection change event + m_selection = n; + m_list->Select(n); + m_list->Focus(n); - // change m_selection only now, otherwise OnListSelected() would ignore - // the selection change event - m_selection = n; + // program allows the page change + event.SetEventType(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED); + (void)GetEventHandler()->ProcessEvent(event); + } } - return selOld; + return oldSel; } - // ---------------------------------------------------------------------------- // adding/removing the pages // ---------------------------------------------------------------------------- @@ -380,36 +393,75 @@ wxListbook::InsertPage(size_t n, bool bSelect, int imageId) { - if ( !wxBookCtrl::InsertPage(n, page, text, bSelect, imageId) ) + if ( !wxBookCtrlBase::InsertPage(n, page, text, bSelect, imageId) ) return false; m_list->InsertItem(n, text, imageId); - if ( bSelect ) + // if the inserted page is before the selected one, we must update the + // index of the selected page + if ( int(n) <= m_selection ) { - m_list->Select(n); - m_list->Focus(n); + // one extra page added + m_selection++; + m_list->Select(m_selection); + m_list->Focus(m_selection); } - else // don't select this page - { - // it will be shown only when selected + + // some page should be selected: either this one or the first one if there + // is still no selection + int selNew = -1; + if ( bSelect ) + selNew = n; + else if ( m_selection == -1 ) + selNew = 0; + + if ( selNew != m_selection ) page->Hide(); - } + if ( selNew != -1 ) + SetSelection(selNew); + + InvalidateBestSize(); return true; } wxWindow *wxListbook::DoRemovePage(size_t page) { - wxWindow *win = wxBookCtrl::DoRemovePage(page); + const int page_count = GetPageCount(); + wxWindow *win = wxBookCtrlBase::DoRemovePage(page); + if ( win ) { m_list->DeleteItem(page); + + if (m_selection >= (int)page) + { + // force new sel valid if possible + int sel = m_selection - 1; + if (page_count == 1) + sel = wxNOT_FOUND; + else if ((page_count == 2) || (sel == -1)) + sel = 0; + + // force sel invalid if deleting current page - don't try to hide it + m_selection = (m_selection == (int)page) ? wxNOT_FOUND : m_selection - 1; + + if ((sel != wxNOT_FOUND) && (sel != m_selection)) + SetSelection(sel); + } } return win; } + +bool wxListbook::DeleteAllPages() +{ + m_list->DeleteAllItems(); + return wxBookCtrlBase::DeleteAllPages(); +} + // ---------------------------------------------------------------------------- // wxListbook events // ---------------------------------------------------------------------------- @@ -426,32 +478,14 @@ void wxListbook::OnListSelected(wxListEvent& eventList) return; } - // first send "change in progress" event which may be vetoed by user - wxListbookEvent eventIng(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, GetId()); + SetSelection(selNew); - eventIng.SetEventObject(this); - eventIng.SetSelection(selNew); - eventIng.SetOldSelection(m_selection); - if ( GetEventHandler()->ProcessEvent(eventIng) && !eventIng.IsAllowed() ) + // change wasn't allowed, return to previous state + if (m_selection != selNew) { m_list->Select(m_selection); - return; + m_list->Focus(m_selection); } - - // change allowed: do change the page and notify the user about it - if ( m_selection != wxNOT_FOUND ) - m_pages[m_selection]->Hide(); - wxWindow *page = m_pages[m_selection = selNew]; - page->SetSize(GetPageRect()); - page->Show(); - - wxListbookEvent eventEd(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED, GetId()); - - eventEd.SetEventObject(this); - eventEd.SetSelection(selNew); - eventEd.SetOldSelection(m_selection); - - (void)GetEventHandler()->ProcessEvent(eventEd); } #endif // wxUSE_LISTBOOK