X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f7c6f947cf77ebfd11a860e7d07262e6de31e2a1..69659fd770f615210efac4b4fa741b3ad6223616:/src/common/treebase.cpp?ds=sidebyside diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp index d166c7d705..f10e2af927 100644 --- a/src/common/treebase.cpp +++ b/src/common/treebase.cpp @@ -17,10 +17,6 @@ // headers // ----------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "treebase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,14 +26,8 @@ #if wxUSE_TREECTRL -#include "wx/treebase.h" -#include "wx/settings.h" -#include "wx/log.h" -#include "wx/intl.h" -#include "wx/dynarray.h" -#include "wx/arrimpl.cpp" -#include "wx/dcclient.h" - +#include "wx/treectrl.h" +#include "wx/imaglist.h" // ---------------------------------------------------------------------------- // events @@ -69,9 +59,23 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MENU) // Tree event // ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent) +IMPLEMENT_ABSTRACT_CLASS(wxTreeEvent, wxNotifyEvent) +wxTreeEvent::wxTreeEvent(wxEventType commandType, + wxTreeCtrlBase *tree, + const wxTreeItemId& item) + : wxNotifyEvent(commandType, tree->GetId()), + m_item(item) +{ + m_editCancelled = false; + + SetEventObject(tree); + + if ( item.IsOk() ) + SetClientObject(tree->GetItemData(item)); +} + wxTreeEvent::wxTreeEvent(wxEventType commandType, int id) : wxNotifyEvent(commandType, id) { @@ -90,5 +94,144 @@ wxTreeEvent::wxTreeEvent(const wxTreeEvent & event) m_editCancelled = event.m_editCancelled; } +// ---------------------------------------------------------------------------- +// wxTreeCtrlBase +// ---------------------------------------------------------------------------- + +wxTreeCtrlBase::~wxTreeCtrlBase() +{ + if (m_ownsImageListNormal) + delete m_imageListNormal; + if (m_ownsImageListState) + delete m_imageListState; +} + +static void +wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, wxTreeItemId id, wxSize& size) +{ + wxRect rect; + + if ( treeCtrl->GetBoundingRect(id, rect, true /* just the item */) ) + { + // Translate to logical position so we get the full extent +#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__) + rect.x += treeCtrl->GetScrollPos(wxHORIZONTAL); + rect.y += treeCtrl->GetScrollPos(wxVERTICAL); +#endif + + size.IncTo(wxSize(rect.GetRight(), rect.GetBottom())); + } + + wxTreeItemIdValue cookie; + for ( wxTreeItemId item = treeCtrl->GetFirstChild(id, cookie); + item.IsOk(); + item = treeCtrl->GetNextChild(id, cookie) ) + { + wxGetBestTreeSize(treeCtrl, item, size); + } +} + +wxSize wxTreeCtrlBase::DoGetBestSize() const +{ + wxSize size; + + // this doesn't really compute the total bounding rectangle of all items + // but a not too bad guess of it which has the advantage of not having to + // examine all (potentially hundreds or thousands) items in the control + + if (GetQuickBestSize()) + { + for ( wxTreeItemId item = GetRootItem(); + item.IsOk(); + item = GetLastChild(item) ) + { + wxRect rect; + + // last parameter is "true" to get only the dimensions of the text + // label, we don't want to get the entire item width as it's determined + // by the current size + if ( GetBoundingRect(item, rect, true) ) + { + if ( size.x < rect.x + rect.width ) + size.x = rect.x + rect.width; + if ( size.y < rect.y + rect.height ) + size.y = rect.y + rect.height; + } + } + } + else // use precise, if potentially slow, size computation method + { + // iterate over all items recursively + wxTreeItemId idRoot = GetRootItem(); + if ( idRoot.IsOk() ) + wxGetBestTreeSize(this, idRoot, size); + } + + // need some minimal size even for empty tree + if ( !size.x || !size.y ) + size = wxControl::DoGetBestSize(); + else + { + // Add border size + size += GetWindowBorderSize(); + + CacheBestSize(size); + } + + return size; +} + +void wxTreeCtrlBase::ExpandAll() +{ + if ( IsEmpty() ) + return; + + ExpandAllChildren(GetRootItem()); +} + +void wxTreeCtrlBase::ExpandAllChildren(const wxTreeItemId& item) +{ + // expand this item first, this might result in its children being added on + // the fly + Expand(item); + + // then (recursively) expand all the children + wxTreeItemIdValue cookie; + for ( wxTreeItemId idCurr = GetFirstChild(item, cookie); + idCurr.IsOk(); + idCurr = GetNextChild(item, cookie) ) + { + ExpandAllChildren(idCurr); + } +} + +void wxTreeCtrlBase::CollapseAll() +{ + if ( IsEmpty() ) + return; + + CollapseAllChildren(GetRootItem()); +} + +void wxTreeCtrlBase::CollapseAllChildren(const wxTreeItemId& item) +{ + // first (recursively) collapse all the children + wxTreeItemIdValue cookie; + for ( wxTreeItemId idCurr = GetFirstChild(item, cookie); + idCurr.IsOk(); + idCurr = GetNextChild(item, cookie) ) + { + CollapseAllChildren(idCurr); + } + + // then collapse this element too + Collapse(item); +} + +bool wxTreeCtrlBase::IsEmpty() const +{ + return !GetRootItem().IsOk(); +} + #endif // wxUSE_TREECTRL