mirror of
https://github.com/nillerusr/source-engine.git
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846 lines
20 KiB
C++
846 lines
20 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Implements a list view for visgroups. Supports drag and drop, and
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// posts a registered windows message to the list view's parent window
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// when visgroups are hidden or shown.
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//
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//=============================================================================//
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#include "stdafx.h"
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#include "hammer.h"
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#include "GroupList.h"
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#include "MapDoc.h"
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#include "MapSolid.h"
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#include "MapWorld.h"
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#include "GlobalFunctions.h"
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#include "VisGroup.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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//
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// Timer IDs.
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//
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enum
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{
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TIMER_GROUP_DRAG_SCROLL = 1,
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};
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static const unsigned int g_uToggleStateMsg = ::RegisterWindowMessage(GROUPLIST_MSG_TOGGLE_STATE);
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static const unsigned int g_uLeftDragDropMsg = ::RegisterWindowMessage(GROUPLIST_MSG_LEFT_DRAG_DROP);
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static const unsigned int g_uRightDragDropMsg = ::RegisterWindowMessage(GROUPLIST_MSG_RIGHT_DRAG_DROP);
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static const unsigned int g_uSelChangeMsg = ::RegisterWindowMessage(GROUPLIST_MSG_SEL_CHANGE);
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BEGIN_MESSAGE_MAP(CGroupList, CTreeCtrl)
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//{{AFX_MSG_MAP(CGroupList)
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ON_NOTIFY_REFLECT(TVN_BEGINDRAG, OnBegindrag)
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ON_NOTIFY_REFLECT(TVN_ENDLABELEDIT, OnEndlabeledit)
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ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelChange)
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ON_WM_LBUTTONDOWN()
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ON_WM_LBUTTONUP()
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ON_WM_LBUTTONDBLCLK()
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ON_WM_RBUTTONDOWN()
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ON_WM_RBUTTONUP()
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ON_WM_MOUSEMOVE()
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ON_WM_TIMER()
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ON_WM_CONTEXTMENU()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CGroupList::CGroupList(void)
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{
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m_pDragImageList = NULL;
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m_hDragItem = NULL;
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m_bRButtonDown = false;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CGroupList::~CGroupList(void)
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CGroupList::EnableChecks(void)
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{
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if (!m_cNormalImageList.GetSafeHandle())
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{
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m_cNormalImageList.Create(IDB_VISGROUPSTATUS, 16, 1, RGB(255, 255, 255));
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m_cNormalImageList.SetOverlayImage(1, 1);
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m_cNormalImageList.SetOverlayImage(2, 2);
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}
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CTreeCtrl::SetImageList(&m_cNormalImageList, TVSIL_NORMAL);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pVisGroup -
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// hItemParent -
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//-----------------------------------------------------------------------------
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void CGroupList::AddVisGroupRecursive(CVisGroup *pVisGroup, HTREEITEM hItemParent)
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{
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HTREEITEM hItem = InsertItem(pVisGroup->GetName(), hItemParent, TVI_LAST);
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if (hItem != NULL)
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{
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SetItemData(hItem, (DWORD)pVisGroup);
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// Add the item to our flattened list.
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// VisGroupTreeItem_t item;
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// item.pVisGroup = pVisGroup;
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// item.hItem = hItem;
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// m_TreeItems.AddToTail(item);
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m_VisGroups.AddToTail(pVisGroup);
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int nCount = pVisGroup->GetChildCount();
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for (int i = 0; i < nCount; i++)
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{
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CVisGroup *pChild = pVisGroup->GetChild(i);
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AddVisGroupRecursive(pChild, hItem);
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pGroup -
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//-----------------------------------------------------------------------------
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void CGroupList::AddVisGroup(CVisGroup *pGroup)
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{
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AddVisGroupRecursive(pGroup, TVI_ROOT);
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}
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static void UnsetItemData_R( CTreeCtrl *pCtrl, HTREEITEM hItem )
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{
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pCtrl->SetItemData( hItem, 0 );
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HTREEITEM hChildItem = pCtrl->GetChildItem( hItem );
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while( hChildItem != NULL )
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{
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UnsetItemData_R( pCtrl, hChildItem );
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hChildItem = pCtrl->GetNextItem(hChildItem, TVGN_NEXT);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CGroupList::DeleteAllItems(void)
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{
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// Un-set all item data because sometimes during a delete it'll trigger selection change notifications
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// which might crash things later.
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if ( GetSafeHwnd() && m_VisGroups.Count() > 0 )
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{
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UnsetItemData_R( this, TVI_ROOT );
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}
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DeleteItem(TVI_ROOT);
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m_VisGroups.RemoveAll();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CGroupList::EnsureVisible(CVisGroup *pVisGroup)
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{
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//DBG("EnsureVisible: %s\n", pVisGroup->GetName());
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HTREEITEM hItem = FindVisGroupItem(pVisGroup);
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if (hItem)
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{
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CTreeCtrl::EnsureVisible(hItem);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CGroupList::ExpandRecursive(HTREEITEM hItem)
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{
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if (hItem)
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{
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Expand(hItem, TVE_EXPAND);
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if (ItemHasChildren(hItem))
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{
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HTREEITEM hChildItem = GetChildItem(hItem);
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while (hChildItem != NULL)
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{
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ExpandRecursive(hChildItem);
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hChildItem = GetNextItem(hChildItem, TVGN_NEXT);
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}
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CGroupList::ExpandAll(void)
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{
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HTREEITEM hItem = GetRootItem();
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while (hItem)
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{
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ExpandRecursive(hItem);
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hItem = GetNextItem(hItem, TVGN_NEXT);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the tree item in the given subtree associated with the given
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// visgroup, NULL if none.
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//-----------------------------------------------------------------------------
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HTREEITEM CGroupList::FindVisGroupItemRecursive(HTREEITEM hItem, CVisGroup *pVisGroup)
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{
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if (hItem)
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{
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CVisGroup *pVisGroupCheck = (CVisGroup *)GetItemData(hItem);
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if (pVisGroupCheck == pVisGroup)
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{
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return hItem;
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}
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if (ItemHasChildren(hItem))
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{
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HTREEITEM hChildItem = GetChildItem(hItem);
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while (hChildItem != NULL)
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{
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HTREEITEM hFoundItem = FindVisGroupItemRecursive(hChildItem, pVisGroup);
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if (hFoundItem)
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{
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return hFoundItem;
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}
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hChildItem = GetNextItem(hChildItem, TVGN_NEXT);
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}
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}
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}
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the tree item associated with the given visgroup, NULL if none.
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//-----------------------------------------------------------------------------
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HTREEITEM CGroupList::FindVisGroupItem(CVisGroup *pVisGroup)
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{
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HTREEITEM hItem = GetRootItem();
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while (hItem)
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{
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HTREEITEM hFound = FindVisGroupItemRecursive(hItem, pVisGroup);
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if (hFound)
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{
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return hFound;
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}
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hItem = GetNextItem(hItem, TVGN_NEXT);
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}
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the currently selected visgroup in the tree control.
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//-----------------------------------------------------------------------------
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CVisGroup *CGroupList::GetSelectedVisGroup(void)
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{
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HTREEITEM hItem = GetSelectedItem();
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if (hItem)
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{
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return (CVisGroup *)GetItemData(hItem);
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}
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nFlags -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::OnLButtonDown(UINT nFlags, CPoint point)
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{
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unsigned int uFlags;
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HTREEITEM hItemHit = HitTest(point, &uFlags);
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if (hItemHit != NULL)
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{
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if (uFlags & TVHT_ONITEMICON)
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{
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// Don't forward to the base if they clicked on the check box.
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// This prevents undesired expansion/collapse of tree.
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return;
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}
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}
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CTreeCtrl::OnLButtonDown(nFlags, point);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nFlags -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::OnLButtonUp(UINT nFlags, CPoint point)
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{
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KillTimer(TIMER_GROUP_DRAG_SCROLL);
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ReleaseCapture();
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if (!m_hDragItem)
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{
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unsigned int uFlags;
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HTREEITEM hItemHit = HitTest(point, &uFlags);
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if (hItemHit != NULL)
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{
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if (uFlags & TVHT_ONITEMICON)
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{
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//
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// Notify our parent window that this item's state has changed.
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//
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CWnd *pwndParent = GetParent();
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if (pwndParent != NULL)
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{
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int nCheckState = GetCheck(hItemHit);
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if (!nCheckState)
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{
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nCheckState = 1;
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}
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else
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{
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nCheckState = 0;
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}
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CVisGroup *pGroup = (CVisGroup *)GetItemData(hItemHit);
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pwndParent->PostMessage(g_uToggleStateMsg, (WPARAM)pGroup, nCheckState);
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}
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// Don't forward to the base if they clicked on the check box.
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// This prevents undesired expansion/collapse of tree.
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return;
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}
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}
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CTreeCtrl::OnLButtonUp(nFlags, point);
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return;
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}
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Drop(DROP_LEFT, nFlags, point);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nFlags -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::OnLButtonDblClk(UINT nFlags, CPoint point)
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{
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unsigned int uFlags;
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HTREEITEM hItemHit = HitTest(point, &uFlags);
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if (hItemHit != NULL)
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{
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if (uFlags & TVHT_ONITEMICON)
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{
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// Don't forward to the base if they clicked on the check box.
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// This prevents undesired expansion/collapse of tree.
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return;
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}
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}
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CTreeCtrl::OnLButtonDblClk(nFlags, point);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Forwards selection change notifications to our parent window.
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// Input : pNMHDR -
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// pResult -
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//-----------------------------------------------------------------------------
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void CGroupList::OnSelChange(NMHDR *pNMHDR, LRESULT *pResult)
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{
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CWnd *pwndParent = GetParent();
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if (pwndParent != NULL)
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{
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pwndParent->PostMessage(g_uSelChangeMsg, 0, 0);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pNMHDR -
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// pResult -
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//-----------------------------------------------------------------------------
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void CGroupList::OnEndlabeledit(NMHDR *pNMHDR, LRESULT *pResult)
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{
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NMTVDISPINFO *pInfo = (NMTVDISPINFO *)pNMHDR;
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if (!pInfo->item.pszText)
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return;
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CVisGroup *pVisGroup = (CVisGroup *)GetItemData(pInfo->item.hItem);
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Assert(pVisGroup);
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if (!pVisGroup)
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return;
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pVisGroup->SetName(pInfo->item.pszText);
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pResult[0] = TRUE;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Begins dragging an item in the visgroup list. The drag image is
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// created and anchored relative to the mouse cursor.
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// Input : pNMHDR -
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// pResult -
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//-----------------------------------------------------------------------------
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void CGroupList::OnBegindrag(NMHDR *pNMHDR, LRESULT *pResult)
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{
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NMTREEVIEW *ptv = (NMTREEVIEW *)pNMHDR;
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BeginDrag(ptv->ptDrag, ptv->itemNew.hItem);
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*pResult = 0;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pt -
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// hItem -
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//-----------------------------------------------------------------------------
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void CGroupList::BeginDrag(CPoint point, HTREEITEM hItem)
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{
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m_hDragItem = hItem;
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if (m_hDragItem)
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{
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m_pDragImageList = CreateDragImage(m_hDragItem);
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if (m_pDragImageList)
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{
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CPoint ptHotSpot(0, 0);
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m_pDragImageList->BeginDrag(0, ptHotSpot);
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m_pDragImageList->DragEnter(this, point);
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SelectDropTarget(NULL);
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}
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// Timer handles scrolling the list control when dragging outside the window bounds.
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SetTimer(TIMER_GROUP_DRAG_SCROLL, 300, NULL);
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SetCapture();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nFlags -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::OnRButtonDown(UINT nFlags, CPoint point)
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{
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m_bRButtonDown = true;
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m_ptRButtonDown = point;
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m_hDragItem = NULL;
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SetCapture();
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// Chaining to the base class causes us never to receive the button up message
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// for a right click without drag, so we don't do that.
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//CTreeCtrl::OnRButtonDown(nFlags, point);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pWnd -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::OnContextMenu(CWnd *pWnd, CPoint point)
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{
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KillTimer(TIMER_GROUP_DRAG_SCROLL);
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ReleaseCapture();
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m_bRButtonDown = false;
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if (!m_hDragItem)
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{
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CTreeCtrl::OnContextMenu(pWnd, point);
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return;
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}
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Drop(DROP_RIGHT, 0, point);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nFlags -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::OnRButtonUp(UINT nFlags, CPoint point)
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{
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KillTimer(TIMER_GROUP_DRAG_SCROLL);
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ReleaseCapture();
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m_bRButtonDown = false;
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if (!m_hDragItem)
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{
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CTreeCtrl::OnRButtonUp(nFlags, point);
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return;
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}
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Drop(DROP_RIGHT, nFlags, point);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : eDropType -
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// nFlags -
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// point -
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//-----------------------------------------------------------------------------
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void CGroupList::Drop(DropType_t eDropType, UINT nFlags, CPoint point)
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{
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SelectDropTarget(NULL);
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HTREEITEM hDragItem = m_hDragItem;
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m_hDragItem = NULL;
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//
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// We are dragging. Drop!
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//
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if (m_pDragImageList)
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{
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m_pDragImageList->DragLeave(this);
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m_pDragImageList->EndDrag();
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delete m_pDragImageList;
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m_pDragImageList = NULL;
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}
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//
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// Get the group that we were dragging.
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//
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CVisGroup *pDragGroup = (CVisGroup *)GetItemData(hDragItem);
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//
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// Determine what group was dropped onto.
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//
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HTREEITEM hDropItem = HitTest(point);
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if (hDropItem == hDragItem)
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{
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return;
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}
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CVisGroup *pDropGroup = NULL;
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if (hDropItem)
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{
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pDropGroup = (CVisGroup *)GetItemData(hDropItem);
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}
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if (pDragGroup == pDropGroup)
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{
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// Shouldn't happen, but just in case.
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return;
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}
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CWnd *pwndParent = GetParent();
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if (pwndParent != NULL)
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{
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if (eDropType == DROP_LEFT)
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{
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pwndParent->PostMessage(g_uLeftDragDropMsg, (WPARAM)pDragGroup, (LPARAM)pDropGroup);
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}
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else
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{
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pwndParent->PostMessage(g_uRightDragDropMsg, (WPARAM)pDragGroup, (LPARAM)pDropGroup);
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : nIDEvent -
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//-----------------------------------------------------------------------------
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void CGroupList::OnTimer(UINT nIDEvent)
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{
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//DBG("OnTimer\n");
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switch (nIDEvent)
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{
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case TIMER_GROUP_DRAG_SCROLL:
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{
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CPoint point;
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GetCursorPos(&point);
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CRect rect;
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GetWindowRect(&rect);
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|
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if (!rect.PtInRect(point))
|
|
{
|
|
if (point.y > rect.bottom)
|
|
{
|
|
// scroll down
|
|
int nCount = GetVisibleCount();
|
|
HTREEITEM hItem = GetFirstVisibleItem();
|
|
for (int i = 1; i < nCount; i++)
|
|
{
|
|
hItem = GetNextVisibleItem(hItem);
|
|
}
|
|
|
|
hItem = GetNextVisibleItem(hItem);
|
|
|
|
if (hItem)
|
|
{
|
|
CTreeCtrl::EnsureVisible(hItem);
|
|
}
|
|
}
|
|
else if (point.y < rect.top)
|
|
{
|
|
HTREEITEM hItem = GetFirstVisibleItem();
|
|
HTREEITEM hPrevVisible = this->GetPrevVisibleItem(hItem);
|
|
if (hPrevVisible)
|
|
{
|
|
// scroll up
|
|
CTreeCtrl::EnsureVisible(hPrevVisible);
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
CTreeCtrl::OnTimer(nIDEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : nFlags -
|
|
// point -
|
|
//-----------------------------------------------------------------------------
|
|
void CGroupList::OnMouseMove(UINT nFlags, CPoint point)
|
|
{
|
|
CTreeCtrl::OnMouseMove(nFlags, point);
|
|
|
|
if (m_bRButtonDown && !m_hDragItem && (point.x != m_ptRButtonDown.x) && (point.y != m_ptRButtonDown.y))
|
|
{
|
|
// First mouse move since a right button down. Start dragging.
|
|
HTREEITEM hItem = HitTest(m_ptRButtonDown);
|
|
BeginDrag(point, hItem);
|
|
}
|
|
|
|
if (!m_hDragItem)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (m_pDragImageList)
|
|
{
|
|
m_pDragImageList->DragMove(point);
|
|
}
|
|
|
|
//
|
|
// Highlight the item we hit.
|
|
//
|
|
HTREEITEM hItem = HitTest(point);
|
|
if (hItem == GetDropHilightItem())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// hide image first
|
|
if (m_pDragImageList)
|
|
{
|
|
m_pDragImageList->DragLeave(this);
|
|
m_pDragImageList->DragShowNolock(FALSE);
|
|
}
|
|
|
|
SelectDropTarget(hItem);
|
|
|
|
if (m_pDragImageList)
|
|
{
|
|
m_pDragImageList->DragEnter(this, point);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void CGroupList::SelectVisGroup(CVisGroup *pVisGroup)
|
|
{
|
|
//DBG("SelectVisGroup: %s\n", pVisGroup->GetName());
|
|
HTREEITEM hItem = FindVisGroupItem(pVisGroup);
|
|
if (hItem)
|
|
{
|
|
Select(hItem, TVGN_CARET);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets the check status for the given group.
|
|
// Input : pVisGroup -
|
|
// nCheckState - 0=not checked, 1=checked, -1=gray check (undefined)
|
|
//-----------------------------------------------------------------------------
|
|
void CGroupList::SetCheck(CVisGroup *pVisGroup, int nCheckState)
|
|
{
|
|
HTREEITEM hItem = FindVisGroupItem(pVisGroup);
|
|
if (hItem)
|
|
{
|
|
UINT uState = INDEXTOOVERLAYMASK(0);
|
|
if (nCheckState == 1)
|
|
{
|
|
uState = INDEXTOOVERLAYMASK(1);
|
|
}
|
|
else if (nCheckState != 0)
|
|
{
|
|
uState = INDEXTOOVERLAYMASK(2);
|
|
}
|
|
|
|
SetItemState(hItem, uState, TVIS_OVERLAYMASK);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the check state for the given visgroup.
|
|
// Input : pVisGroup -
|
|
//-----------------------------------------------------------------------------
|
|
int CGroupList::GetCheck(CVisGroup *pVisGroup)
|
|
{
|
|
HTREEITEM hItem = FindVisGroupItem(pVisGroup);
|
|
if (hItem)
|
|
{
|
|
return GetCheck(hItem);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
int CGroupList::GetCheck(HTREEITEM hItem)
|
|
{
|
|
UINT uState = (GetItemState(hItem, TVIS_OVERLAYMASK) & TVIS_OVERLAYMASK);
|
|
if (uState == INDEXTOOVERLAYMASK(1))
|
|
{
|
|
return 1;
|
|
}
|
|
else if (uState == INDEXTOOVERLAYMASK(0))
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the number of visgroups in the whole tree.
|
|
//-----------------------------------------------------------------------------
|
|
int CGroupList::GetVisGroupCount()
|
|
{
|
|
return m_VisGroups.Count();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
CVisGroup *CGroupList::GetVisGroup(int nIndex)
|
|
{
|
|
return m_VisGroups.Element(nIndex);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Updates the tree control item text with the new group name.
|
|
//-----------------------------------------------------------------------------
|
|
void CGroupList::UpdateVisGroup(CVisGroup *pVisGroup)
|
|
{
|
|
HTREEITEM hItem = FindVisGroupItem(pVisGroup);
|
|
if (hItem)
|
|
{
|
|
SetItemText(hItem, pVisGroup->GetName());
|
|
}
|
|
}
|
|
|
|
int CGroupList::GetGroupPairCount(void)
|
|
{
|
|
return m_GroupPairs.Count();
|
|
}
|
|
|
|
void CGroupList::SaveVisGroupExpandStates()
|
|
{
|
|
for ( int i = 0; i < GetVisGroupCount(); i++ )
|
|
{
|
|
CVisGroup *thisGroup = GetVisGroup(i);
|
|
GroupListPair newPair;
|
|
for ( int j = 0; j < GetGroupPairCount(); j++ )
|
|
{
|
|
GroupListPair thisPair = m_GroupPairs.Element( j );
|
|
if ( thisGroup == thisPair.pVisGroup )
|
|
{
|
|
m_GroupPairs.Remove( j );
|
|
break;
|
|
}
|
|
}
|
|
|
|
HTREEITEM thisItem = FindVisGroupItem( thisGroup );
|
|
newPair.pVisGroup = thisGroup;
|
|
newPair.bExpanded = false;
|
|
if ( thisItem && (GetItemState( thisItem, TVIS_EXPANDED) & TVIS_EXPANDED) )
|
|
{
|
|
newPair.bExpanded = true;
|
|
}
|
|
m_GroupPairs.AddToTail( newPair );
|
|
}
|
|
}
|
|
|
|
void CGroupList::RestoreVisGroupExpandStates()
|
|
{
|
|
ExpandAll();
|
|
for ( int i = 0; i < GetGroupPairCount(); i++ )
|
|
{
|
|
GroupListPair thisPair = m_GroupPairs.Element( i );
|
|
HTREEITEM thisItem = FindVisGroupItem( thisPair.pVisGroup );
|
|
if ( thisItem )
|
|
{
|
|
if ( thisPair.bExpanded )
|
|
{
|
|
Expand(thisItem, TVE_EXPAND);
|
|
}
|
|
else
|
|
{
|
|
Expand( thisItem, TVE_COLLAPSE );
|
|
}
|
|
}
|
|
}
|
|
}
|