MultiLineCaptionEx.cpp
上传用户:zhoushen
上传日期:2022-06-15
资源大小:84k
文件大小:2k
- ////////////////////////////
- // An extended multi-line caption class with fixes for the Windows 95/NT caption
- // overwrite 'feature' that causes a normal window caption to be drawn
- // when non-client area mouse activity occurs after the system menu has been
- // displayed.
- //
- // Author: Dave Lorde (dlorde@cix.compulink.co.uk)
- //
- // Copyright January 2000
- //
- #include "StdAfx.h"
- #include "MultiLineCaptionEx.h"
- #include "SuppressStyle.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- IMPLEMENT_DYNAMIC(CMultiLineCaptionEx, CMultiLineCaption);
- namespace {
- const int CaptionMouseClick = 0xF012;
- }
- CMultiLineCaptionEx::CMultiLineCaptionEx(int maxLines)
- :CMultiLineCaption(maxLines)
- {}
- LRESULT CMultiLineCaptionEx::WindowProc(UINT msg, WPARAM wp, LPARAM lp)
- {
- switch (msg)
- {
- case WM_SETCURSOR:
- return OnSetCursor( (HWND)wp, LOWORD(lp), HIWORD(lp) );
- case WM_SYSCOMMAND:
- OnSysCommand(wp, lp );
- return 0;
- case WM_SIZE:
- OnSize((UINT)wp, LOWORD(lp), HIWORD(lp));
- return 0;
- case WM_INITMENUPOPUP:
- OnInitMenuPopup( CMenu::FromHandle((HMENU)wp), LOWORD(lp), HIWORD(lp));
- return 0;
- }
- // I don't handle it: pass along
- return CMultiLineCaption::WindowProc(msg, wp, lp);
- }
- void CMultiLineCaptionEx::OnSysCommand(UINT nID, LPARAM lp)
- {
- // I don't know why, but clicking on the caption triggers a SysCommand
- // with ID 0xf12. Unless the caption is painted before handling it,
- // the nasty caption line shows
- if (nID == CaptionMouseClick)
- PaintCaption();
- Default();
- }
- BOOL CMultiLineCaptionEx::OnSetCursor( HWND hWnd, UINT nHitTest, UINT message )
- {
- LRESULT res = 0;
- {
- SuppressStyle ss(hWnd, WS_VISIBLE);
- res = Default();
- if (nHitTest != HTHSCROLL && nHitTest != HTVSCROLL && nHitTest != HTSYSMENU &&
- nHitTest != HTTRANSPARENT && nHitTest != HTNOWHERE && nHitTest != HTCLIENT)
- {
- PaintCaption();
- }
- }
- return res;
- }
- void CMultiLineCaptionEx::OnSize(UINT nType, int cx, int cy)
- {
- // SuppressStyle ss(m_pWndHooked->m_hWnd, WS_VISIBLE);
- // Default();
- CMultiLineCaption::OnSize(nType, cx, cy);
-
- // PaintCaption();
- }
- void CMultiLineCaptionEx::OnInitMenuPopup(CMenu* pMenu, UINT nIndex, BOOL bSysMenu)
- {
- SuppressStyle ss(m_pWndHooked->m_hWnd, WS_VISIBLE);
- Default();
-
- PaintCaption();
- }