X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/51d673384e4ebe86f14beadeafc6853beff48116..77c8efc8c37da6d6a5e2e8022d21d1cd7d76371d:/src/common/treebase.cpp?ds=sidebyside diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp index 0096e023ea..f831b489ad 100644 --- a/src/common/treebase.cpp +++ b/src/common/treebase.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: treebase.cpp +// Name: src/common/treebase.cpp // Purpose: Base wxTreeCtrl classes // Author: Julian Smart // Created: 01/02/97 @@ -17,49 +17,113 @@ // headers // ----------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "treebase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#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/msgdlg.h" +#if wxUSE_TREECTRL + +#include "wx/treectrl.h" +#include "wx/imaglist.h" +extern WXDLLEXPORT_DATA(const char) wxTreeCtrlNameStr[] = "treeCtrl"; // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_DRAG) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_RDRAG) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_LABEL_EDIT) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_DELETE_ITEM) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_GET_INFO) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SET_INFO) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDING) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSING) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGING) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_KEY_DOWN) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_ACTIVATED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG) +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_BEGIN_DRAG, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_BEGIN_RDRAG, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_END_LABEL_EDIT, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_DELETE_ITEM, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_GET_INFO, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_SET_INFO, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_EXPANDING, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_SEL_CHANGED, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_SEL_CHANGING, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_KEY_DOWN, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_END_DRAG, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP, wxTreeEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TREE_ITEM_MENU, wxTreeEvent ); + +// ---------------------------------------------------------------------------- +// XTI +// ---------------------------------------------------------------------------- + +wxDEFINE_FLAGS( wxTreeCtrlStyle ) +wxBEGIN_FLAGS( wxTreeCtrlStyle ) +// new style border flags, we put them first to +// use them for streaming out +wxFLAGS_MEMBER(wxBORDER_SIMPLE) +wxFLAGS_MEMBER(wxBORDER_SUNKEN) +wxFLAGS_MEMBER(wxBORDER_DOUBLE) +wxFLAGS_MEMBER(wxBORDER_RAISED) +wxFLAGS_MEMBER(wxBORDER_STATIC) +wxFLAGS_MEMBER(wxBORDER_NONE) + +// old style border flags +wxFLAGS_MEMBER(wxSIMPLE_BORDER) +wxFLAGS_MEMBER(wxSUNKEN_BORDER) +wxFLAGS_MEMBER(wxDOUBLE_BORDER) +wxFLAGS_MEMBER(wxRAISED_BORDER) +wxFLAGS_MEMBER(wxSTATIC_BORDER) +wxFLAGS_MEMBER(wxBORDER) + +// standard window styles +wxFLAGS_MEMBER(wxTAB_TRAVERSAL) +wxFLAGS_MEMBER(wxCLIP_CHILDREN) +wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) +wxFLAGS_MEMBER(wxWANTS_CHARS) +wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) +wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) +wxFLAGS_MEMBER(wxVSCROLL) +wxFLAGS_MEMBER(wxHSCROLL) + +wxFLAGS_MEMBER(wxTR_EDIT_LABELS) +wxFLAGS_MEMBER(wxTR_NO_BUTTONS) +wxFLAGS_MEMBER(wxTR_HAS_BUTTONS) +wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS) +wxFLAGS_MEMBER(wxTR_NO_LINES) +wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT) +wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT) +wxFLAGS_MEMBER(wxTR_HIDE_ROOT) +wxFLAGS_MEMBER(wxTR_ROW_LINES) +wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT) +wxFLAGS_MEMBER(wxTR_SINGLE) +wxFLAGS_MEMBER(wxTR_MULTIPLE) +#if WXWIN_COMPATIBILITY_2_8 +wxFLAGS_MEMBER(wxTR_EXTENDED) +#endif +wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE) +wxEND_FLAGS( wxTreeCtrlStyle ) + +wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl, "wx/treectrl.h") + +wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl) +wxEVENT_PROPERTY( TextUpdated, wxEVT_COMMAND_TEXT_UPDATED, wxCommandEvent ) +wxEVENT_RANGE_PROPERTY( TreeEvent, wxEVT_COMMAND_TREE_BEGIN_DRAG, \ + wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, wxTreeEvent ) + +wxPROPERTY_FLAGS( WindowStyle, wxTreeCtrlStyle, long, SetWindowStyleFlag, \ + GetWindowStyleFlag, wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxEMPTY_HANDLERS_TABLE(wxTreeCtrl) + +wxCONSTRUCTOR_5( wxTreeCtrl, wxWindow*, Parent, wxWindowID, Id, \ + wxPoint, Position, wxSize, Size, long, WindowStyle ) // ---------------------------------------------------------------------------- // Tree event @@ -67,10 +131,246 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG) IMPLEMENT_DYNAMIC_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) { - m_code = 0; m_itemOld = 0l; + m_editCancelled = false; +} + +wxTreeEvent::wxTreeEvent(const wxTreeEvent & event) + : wxNotifyEvent(event) +{ + m_evtKey = event.m_evtKey; + m_item = event.m_item; + m_itemOld = event.m_itemOld; + m_pointDrag = event.m_pointDrag; + m_label = event.m_label; + m_editCancelled = event.m_editCancelled; +} + +// ---------------------------------------------------------------------------- +// wxTreeCtrlBase +// ---------------------------------------------------------------------------- + +wxTreeCtrlBase::wxTreeCtrlBase() +{ + m_imageListNormal = + m_imageListState = NULL; + m_ownsImageListNormal = + m_ownsImageListState = false; + + // arbitrary default + m_spacing = 18; + + // quick DoGetBestSize calculation + m_quickBestSize = true; + + Connect(wxEVT_CHAR_HOOK, wxKeyEventHandler(wxTreeCtrlBase::OnCharHook)); +} + +wxTreeCtrlBase::~wxTreeCtrlBase() +{ + if (m_ownsImageListNormal) + delete m_imageListNormal; + if (m_ownsImageListState) + delete m_imageListState; +} + +void wxTreeCtrlBase::SetItemState(const wxTreeItemId& item, int state) +{ + if ( state == wxTREE_ITEMSTATE_NEXT ) + { + int current = GetItemState(item); + if ( current == wxTREE_ITEMSTATE_NONE ) + return; + state = current + 1; + if ( m_imageListState && state >= m_imageListState->GetImageCount() ) + state = 0; + } + else if ( state == wxTREE_ITEMSTATE_PREV ) + { + int current = GetItemState(item); + if ( current == wxTREE_ITEMSTATE_NONE ) + return; + state = current - 1; + if ( state == -1 ) + state = m_imageListState ? m_imageListState->GetImageCount() - 1 : 0; + } + // else: wxTREE_ITEMSTATE_NONE depending on platform + + DoSetItemState(item, state); +} + +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) +{ + Freeze(); + // expand this item first, this might result in its children being added on + // the fly + if ( item != GetRootItem() || !HasFlag(wxTR_HIDE_ROOT) ) + Expand(item); + //else: expanding hidden root item is unsupported and unnecessary + + // then (recursively) expand all the children + wxTreeItemIdValue cookie; + for ( wxTreeItemId idCurr = GetFirstChild(item, cookie); + idCurr.IsOk(); + idCurr = GetNextChild(item, cookie) ) + { + ExpandAllChildren(idCurr); + } + Thaw(); +} + +void wxTreeCtrlBase::CollapseAll() +{ + if ( IsEmpty() ) + return; + + CollapseAllChildren(GetRootItem()); +} + +void wxTreeCtrlBase::CollapseAllChildren(const wxTreeItemId& item) +{ + Freeze(); + // 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 unless it's the hidden root which can't + // be collapsed + if ( item != GetRootItem() || !HasFlag(wxTR_HIDE_ROOT) ) + Collapse(item); + Thaw(); +} + +bool wxTreeCtrlBase::IsEmpty() const +{ + return !GetRootItem().IsOk(); +} + +void wxTreeCtrlBase::OnCharHook(wxKeyEvent& event) +{ + if ( GetEditControl() ) + { + bool discardChanges = false; + switch ( event.GetKeyCode() ) + { + case WXK_ESCAPE: + discardChanges = true; + // fall through + + case WXK_RETURN: + EndEditLabel(GetFocusedItem(), discardChanges); + + // Do not call Skip() below. + return; + } + } + + event.Skip(); } +#endif // wxUSE_TREECTRL