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/*
* Copyright (C) 2000 Brian Harris
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "StdAfx.h"
#include "Tooltips.h"
// our tooltip window class
#include "MfcEmbed.h"
extern CMfcEmbedApp theApp;
BEGIN_MESSAGE_MAP(CKmToolTip, CWnd)
//{{AFX_MSG_MAP(CKmToolTip)
ON_WM_PAINT()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
CKmToolTip::CKmToolTip() {
m_pszWndClass = AfxRegisterWndClass(CS_SAVEBITS | CS_HREDRAW | CS_VREDRAW);
pszText = NULL;
NONCLIENTMETRICS ncm = {0};
ncm.cbSize = sizeof(ncm);
SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,(PVOID)&ncm,FALSE);
m_pFont = CreateFontIndirect(&ncm.lfStatusFont);
}
void CKmToolTip::Create(CWnd *pWnd) {
CWnd::Create(m_pszWndClass, NULL, WS_CHILD | WS_BORDER,
CRect(10,10,150,50), pWnd, NULL, NULL);
}
CKmToolTip::~CKmToolTip() {
DestroyWindow();
UnregisterClass(m_pszWndClass, theApp.m_hInstance);
DeleteObject(m_pFont);
delete pszText;
}
void CKmToolTip::Hide() {
ShowWindow(SW_HIDE);
delete pszText;
pszText = NULL;
}
void CKmToolTip::Show(const TCHAR *text, int x, int y) {
delete pszText;
pszText = _tcsdup(text);
// measure the size of the text
CDC *DC = GetWindowDC();
int nSavedDC = DC->SaveDC();
DC->SelectObject(m_pFont);
CRect rect;
rect.top = 0;
rect.bottom = 0;
rect.left = 0;
rect.right = 300; // max width of the tooltip
DC->DrawText(text, rect, DT_CALCRECT | DT_WORDBREAK | DT_NOPREFIX);
DC->RestoreDC(nSavedDC);
// add a bit of padding on the sides
int width = rect.Width() + 10;
int height = rect.Height() +5;
// keep the tooltip from running off the window
CWnd *pWndParent = GetParent();
pWndParent->GetWindowRect(&rect);
pWndParent->ScreenToClient(&rect);
if ( x + width > rect.right)
x = rect.right - width;
if (y + height > rect.bottom)
y = rect.bottom - height;
SetWindowPos(NULL, x, y, width, height, SWP_NOZORDER /* | SWP_DRAWFRAME*/);
ShowWindow(SW_SHOW);
}
void CKmToolTip::OnPaint() {
CPaintDC DC(this);
int nSavedDC = DC.SaveDC();
// Draw background
COLORREF clrBackground = RGB(255, 255, 255);
clrBackground = ::GetSysColor(COLOR_INFOBK);
CRect ClientRect;
GetClientRect(ClientRect);
DC.Rectangle(ClientRect);
ClientRect.DeflateRect(1,1,1,1);
DC.FillSolidRect(ClientRect, clrBackground);
// Draw text
DC.SelectObject(m_pFont);
DC.SetTextColor(::GetSysColor(COLOR_INFOTEXT));
DC.SetBkMode(TRANSPARENT);
ClientRect.left += 3;
DC.DrawText(pszText, -1, ClientRect, DT_WORDBREAK | DT_NOPREFIX);
DC.RestoreDC(nSavedDC);
}