hello world

neo/tools/common/PropTree/PropTreeItemCombo.cpp

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+// PropTreeItemCombo.cpp : implementation file
+//
+//  Copyright (C) 1998-2001 Scott Ramsay
+//	sramsay@gonavi.com
+//	http://www.gonavi.com
+//
+//  This material is provided "as is", with absolutely no warranty expressed
+//  or implied. Any use is at your own risk.
+// 
+//  Permission to use or copy this software for any purpose is hereby granted 
+//  without fee, provided the above notices are retained on all copies.
+//  Permission to modify the code and to distribute modified code is granted,
+//  provided the above notices are retained, and a notice that the code was
+//  modified is included with the above copyright notice.
+// 
+//	If you use this code, drop me an email.  I'd like to know if you find the code
+//	useful.
+
+//#include "stdafx.h"
+#include "../../../idlib/precompiled.h"
+#pragma hdrstop
+
+#include "PropTree.h"
+#include "../../../sys/win32/rc/proptree_Resource.h"
+
+#include "PropTreeItemCombo.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+#define DROPDOWN_HEIGHT			100
+
+/////////////////////////////////////////////////////////////////////////////
+// CPropTreeItemCombo
+
+CPropTreeItemCombo::CPropTreeItemCombo() :
+	m_lComboData(0),
+	m_nDropHeight(DROPDOWN_HEIGHT)
+{
+}
+
+CPropTreeItemCombo::~CPropTreeItemCombo()
+{
+}
+
+
+BEGIN_MESSAGE_MAP(CPropTreeItemCombo, CComboBox)
+	//{{AFX_MSG_MAP(CPropTreeItemCombo)
+	ON_CONTROL_REFLECT(CBN_SELCHANGE, OnSelchange)
+	ON_CONTROL_REFLECT(CBN_KILLFOCUS, OnKillfocus)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// CPropTreeItemCombo message handlers
+
+void CPropTreeItemCombo::DrawAttribute(CDC* pDC, const RECT& rc)
+{
+	ASSERT(m_pProp!=NULL);
+
+	// verify the window has been created
+	if (!IsWindow(m_hWnd))
+	{
+		TRACE0("CPropTreeItemCombo::DrawAttribute() - The window has not been created\n");
+		return;
+	}
+
+	pDC->SelectObject(IsReadOnly() ? m_pProp->GetNormalFont() : m_pProp->GetBoldFont());
+	pDC->SetTextColor(RGB(0,0,0));
+	pDC->SetBkMode(TRANSPARENT);
+
+	CRect r = rc;
+	CString s;
+	LONG idx;
+
+	if ((idx = GetCurSel())!=CB_ERR)
+		GetLBText(idx, s);
+	else
+		s = _T("");
+
+	pDC->DrawText(s, r, DT_SINGLELINE|DT_VCENTER);
+}
+
+
+LPARAM CPropTreeItemCombo::GetItemValue()
+{
+	return m_lComboData;
+}
+
+
+void CPropTreeItemCombo::SetItemValue(LPARAM lParam)
+{
+	m_lComboData = lParam;
+	OnRefresh();
+}
+
+
+void CPropTreeItemCombo::OnMove()
+{
+	if (IsWindow(m_hWnd) && IsWindowVisible())
+		SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width() + 1, m_rc.Height(), SWP_NOZORDER|SWP_SHOWWINDOW);
+}
+
+
+void CPropTreeItemCombo::OnRefresh()
+{
+	LONG idx = FindCBData(m_lComboData);
+
+	if (idx!=CB_ERR)
+		SetCurSel(idx);
+}
+
+
+void CPropTreeItemCombo::OnCommit()
+{
+	LONG idx;
+	
+	// store combo box item data
+	if ((idx = GetCurSel())==CB_ERR)
+		m_lComboData = 0;
+	else
+		m_lComboData = (LPARAM)GetItemData(idx);
+
+	ShowWindow(SW_HIDE);
+}
+
+
+void CPropTreeItemCombo::OnActivate(int activateType, CPoint point)
+{
+	// activate the combo box
+	SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width() + 1, m_rc.Height() + m_nDropHeight, SWP_NOZORDER|SWP_SHOWWINDOW);
+	SetFocus();
+
+	if (GetCount())
+		ShowDropDown(TRUE);
+}
+
+
+BOOL CPropTreeItemCombo::CreateComboBox(DWORD dwStyle)
+{
+	ASSERT(m_pProp!=NULL);
+
+	if (IsWindow(m_hWnd))
+		DestroyWindow();
+
+	// force as not visible child window
+	dwStyle = (WS_CHILD|WS_VSCROLL|dwStyle) & ~WS_VISIBLE;
+
+	if (!Create(dwStyle, CRect(0,0,0,0), m_pProp->GetCtrlParent(), GetCtrlID()))
+	{
+		TRACE0("CPropTreeItemCombo::CreateComboBox() - failed to create combo box\n");
+		return FALSE;
+	}
+
+	SendMessage(WM_SETFONT, (WPARAM)m_pProp->GetNormalFont()->m_hObject);
+
+	return TRUE;
+}
+
+
+BOOL CPropTreeItemCombo::CreateComboBoxBool()
+{
+	ASSERT(m_pProp!=NULL);
+
+	if (IsWindow(m_hWnd))
+		DestroyWindow();
+
+	// force as a non-visible child window
+	DWORD dwStyle = WS_CHILD|WS_VSCROLL|CBS_SORT|CBS_DROPDOWNLIST;
+
+	if (!Create(dwStyle, CRect(0,0,0,0), m_pProp->GetCtrlParent(), GetCtrlID()))
+	{
+		TRACE0("CPropTreeItemCombo::CreateComboBoxBool() - failed to create combo box\n");
+		return FALSE;
+	}
+
+	SendMessage(WM_SETFONT, (WPARAM)m_pProp->GetNormalFont()->m_hObject);
+
+	// file the combo box
+	LONG idx;
+	CString s;
+
+	s.LoadString(IDS_TRUE);
+	idx = AddString(s);
+	SetItemData(idx, TRUE);
+
+	s.LoadString(IDS_FALSE);
+	idx = AddString(s);
+	SetItemData(idx, FALSE);
+
+	return TRUE;
+}
+
+
+LONG CPropTreeItemCombo::FindCBData(LPARAM lParam)
+{
+	LONG idx;
+	
+	for (idx = 0; idx < GetCount(); idx++)
+	{
+		if (GetItemData(idx)==(DWORD)lParam)
+			return idx;
+	}
+
+	return CB_ERR;
+}
+
+
+void CPropTreeItemCombo::OnSelchange() 
+{
+	CommitChanges();
+}
+
+
+void CPropTreeItemCombo::OnKillfocus() 
+{
+	CommitChanges();
+}
+
+
+void CPropTreeItemCombo::SetDropDownHeight(LONG nDropHeight)
+{
+	m_nDropHeight = nDropHeight;
+}
+
+
+LONG CPropTreeItemCombo::GetDropDownHeight()
+{
+	return m_nDropHeight;
+}