|
|
//
// mxToolKit (c) 1999 by Mete Ciragan
//
// file: mxTreeView.cpp
// implementation: Win32 API
// last modified: May 03 1999, Mete Ciragan
// copyright: The programs and associated files contained in this
// distribution were developed by Mete Ciragan. The programs
// are not in the public domain, but they are freely
// distributable without licensing fees. These programs are
// provided without guarantee or warrantee expressed or
// implied.
//
#include "mxtk/mxTreeView.h"
#include <windows.h>
#include <commctrl.h>
class mxTreeView_i { public: HWND d_hwnd; };
mxTreeView::mxTreeView (mxWindow *parent, int x, int y, int w, int h, int id) : mxWidget (parent, x, y, w, h) { if (!parent) return;
d_this = new mxTreeView_i;
DWORD dwStyle = TVS_HASBUTTONS | TVS_HASLINES | TVS_LINESATROOT | TVS_SHOWSELALWAYS | WS_VISIBLE | WS_CHILD; HWND hwndParent = (HWND) ((mxWidget *) parent)->getHandle ();
d_this->d_hwnd = CreateWindowEx (WS_EX_CLIENTEDGE, WC_TREEVIEW, "", dwStyle, x, y, w, h, hwndParent, (HMENU) id, (HINSTANCE) GetModuleHandle (NULL), NULL); SendMessage (d_this->d_hwnd, WM_SETFONT, (WPARAM) (HFONT) GetStockObject (ANSI_VAR_FONT), MAKELPARAM (TRUE, 0)); SetWindowLong (d_this->d_hwnd, GWL_USERDATA, (LONG) this);
setHandle ((void *) d_this->d_hwnd); setType (MX_TREEVIEW); setParent (parent); setId (id); }
mxTreeView::~mxTreeView () { remove (0); delete d_this; }
mxTreeViewItem* mxTreeView::add (mxTreeViewItem *parent, const char *item) { if (!d_this) return 0;
TV_ITEM tvItem; tvItem.mask = TVIF_TEXT; tvItem.pszText = (LPSTR) item; tvItem.cchTextMax = 256;
HTREEITEM hParent; if (!parent) hParent = TVI_ROOT; else hParent = (HTREEITEM) parent;
TV_INSERTSTRUCT tvInsert; tvInsert.hParent = hParent; tvInsert.hInsertAfter = TVI_LAST; tvInsert.item = tvItem;
return (mxTreeViewItem *) TreeView_InsertItem (d_this->d_hwnd, &tvInsert); }
void mxTreeView::remove (mxTreeViewItem *item) { if (!d_this) return;
if (!item) TreeView_DeleteAllItems (d_this->d_hwnd); else TreeView_DeleteItem (d_this->d_hwnd, (HTREEITEM) item); }
void mxTreeView::removeAll () { remove( 0 ); }
void mxTreeView::setLabel (mxTreeViewItem *item, const char *label) { if (!d_this) return;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_TEXT; tvItem.hItem = (HTREEITEM) item; tvItem.pszText = (LPSTR) label; tvItem.cchTextMax = 256;
TreeView_SetItem (d_this->d_hwnd, &tvItem); } }
void mxTreeView::setUserData (mxTreeViewItem *item, void *userData) { if (!d_this) return;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_PARAM; tvItem.hItem = (HTREEITEM) item; tvItem.lParam = (LPARAM) userData;
TreeView_SetItem (d_this->d_hwnd, &tvItem); } }
void mxTreeView::setOpen (mxTreeViewItem *item, bool b) { if (!d_this) return;
if (item) TreeView_Expand (d_this->d_hwnd, (HTREEITEM) item, b ? TVE_EXPAND:TVE_COLLAPSE); }
void mxTreeView::setSelected (mxTreeViewItem *item, bool b) { if (!d_this) return;
if (item) TreeView_SelectItem (d_this->d_hwnd, (HTREEITEM) item); }
mxTreeViewItem* mxTreeView::getFirstChild (mxTreeViewItem *item) const { if (!d_this) return 0;
return (mxTreeViewItem *) TreeView_GetChild (d_this->d_hwnd, item ? (HTREEITEM) item:TVI_ROOT); }
mxTreeViewItem* mxTreeView::getNextChild (mxTreeViewItem *item) const { if (!d_this) return 0;
if (item) return (mxTreeViewItem *) TreeView_GetNextSibling (d_this->d_hwnd, (HTREEITEM) item); else return 0; }
mxTreeViewItem* mxTreeView::getSelectedItem () const { if (!d_this) return 0;
return (mxTreeViewItem *) TreeView_GetSelection (d_this->d_hwnd); }
const char* mxTreeView::getLabel (mxTreeViewItem *item) const { static char label[256]; strcpy (label, "");
if (!d_this) return label;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_TEXT; tvItem.hItem = (HTREEITEM) item; tvItem.pszText = (LPSTR) label; tvItem.cchTextMax = 256;
TreeView_GetItem (d_this->d_hwnd, &tvItem);
return tvItem.pszText; }
return label; }
void* mxTreeView::getUserData (mxTreeViewItem *item) const { if (!d_this) return 0;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_PARAM; tvItem.hItem = (HTREEITEM) item;
TreeView_GetItem (d_this->d_hwnd, &tvItem);
return (void *) tvItem.lParam; }
return 0; }
bool mxTreeView::isOpen (mxTreeViewItem *item) const { if (!d_this) return false;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_STATE; tvItem.hItem = (HTREEITEM) item; tvItem.stateMask = TVIS_STATEIMAGEMASK;
TreeView_GetItem (d_this->d_hwnd, &tvItem);
return ((tvItem.state & TVIS_EXPANDED) == TVIS_EXPANDED); }
return false; }
bool mxTreeView::isSelected (mxTreeViewItem *item) const { if (!d_this) return false;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_STATE; tvItem.hItem = (HTREEITEM) item; tvItem.stateMask = TVIS_STATEIMAGEMASK;
TreeView_GetItem (d_this->d_hwnd, &tvItem);
return ((tvItem.state & TVIS_SELECTED) == TVIS_SELECTED); }
return false; }
mxTreeViewItem * mxTreeView::getParent (mxTreeViewItem *item) const { if (!d_this) return 0;
if (item) return (mxTreeViewItem *) TreeView_GetParent (d_this->d_hwnd, (HTREEITEM) item);
return 0; }
void mxTreeView::setImageList( void *himagelist ) { TreeView_SetImageList(d_this->d_hwnd, (HIMAGELIST)himagelist, TVSIL_NORMAL); }
void mxTreeView::setImages(mxTreeViewItem *item, int imagenormal, int imageselected ) { if (!d_this) return;
if (item) { TV_ITEM tvItem; tvItem.mask = TVIF_HANDLE | TVIF_SELECTEDIMAGE | TVIF_IMAGE ; tvItem.hItem = (HTREEITEM) item; tvItem.iImage = imagenormal; tvItem.iSelectedImage = imageselected; tvItem.stateMask = TVIS_STATEIMAGEMASK;
TreeView_SetItem (d_this->d_hwnd, &tvItem); } } void mxTreeView::sortTree( mxTreeViewItem *parent, bool recurse, void *func, int parameter ) { if (!d_this) return;
TVSORTCB cb; memset( &cb, 0, sizeof( cb ) );
cb.hParent = (HTREEITEM)parent; cb.lParam = parameter; cb.lpfnCompare = (int (__stdcall *)(long,long,long)) func;
TreeView_SortChildrenCB( d_this->d_hwnd, &cb, recurse ); }
void mxTreeView::scrollTo( mxTreeViewItem *item ) { if (!d_this) return;
TreeView_EnsureVisible( d_this->d_hwnd, item ); }
|