99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
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////////////////////////////////////////////////////////////////
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// Microsoft Systems Journal -- December 1999
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// If this code works, it was written by Paul DiLascia.
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// If not, I don't know who wrote it.
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// Compiles with Visual C++ 6.0, runs on Windows 98 and probably NT too.
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//
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#include "StdAfx.h"
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#include "HtmlCtrl.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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IMPLEMENT_DYNAMIC(CHtmlCtrl, CHtmlView)
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BEGIN_MESSAGE_MAP(CHtmlCtrl, CHtmlView)
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ON_WM_DESTROY()
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ON_WM_MOUSEACTIVATE()
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END_MESSAGE_MAP()
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//////////////////
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// Create control in same position as an existing static control with
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// the same ID (could be any kind of control, really)
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//
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BOOL CHtmlCtrl::CreateFromStatic(UINT nID, CWnd* pParent)
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{
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CStatic wndStatic;
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if (!wndStatic.SubclassDlgItem(nID, pParent))
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return FALSE;
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// Get static control rect, convert to parent's client coords.
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CRect rc;
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wndStatic.GetWindowRect(&rc);
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pParent->ScreenToClient(&rc);
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wndStatic.DestroyWindow();
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// create HTML control (CHtmlView)
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return Create(NULL, // class name
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NULL, // title
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(WS_CHILD | WS_VISIBLE ), // style
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rc, // rectangle
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pParent, // parent
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nID, // control ID
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NULL); // frame/doc context not used
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}
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////////////////
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// Override to avoid CView stuff that assumes a frame.
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//
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void CHtmlCtrl::OnDestroy()
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{
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// This is probably unecessary since ~CHtmlView does it, but
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// safer to mimic CHtmlView::OnDestroy.
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if (m_pBrowserApp) {
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m_pBrowserApp->Release();
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m_pBrowserApp = NULL;
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}
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CWnd::OnDestroy(); // bypass CView doc/frame stuff
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}
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////////////////
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// Override to avoid CView stuff that assumes a frame.
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//
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int CHtmlCtrl::OnMouseActivate(CWnd* pDesktopWnd, UINT nHitTest, UINT msg)
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{
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// bypass CView doc/frame stuff
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return CWnd::OnMouseActivate(pDesktopWnd, nHitTest, msg);
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}
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//////////////////
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// Override navigation handler to pass to "app:" links to virtual handler.
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// Cancels the navigation in the browser, since app: is a pseudo-protocol.
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//
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void CHtmlCtrl::OnBeforeNavigate2( LPCTSTR lpszURL,
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DWORD nFlags,
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LPCTSTR lpszTargetFrameName,
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CByteArray& baPostedData,
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LPCTSTR lpszHeaders,
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BOOL* pbCancel )
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{
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const char APP_PROTOCOL[] = "app:";
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int len = _tcslen(APP_PROTOCOL);
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if (_tcsnicmp(lpszURL, APP_PROTOCOL, len)==0) {
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OnAppCmd(lpszURL + len);
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*pbCancel = TRUE;
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}
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}
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//////////////////
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// Called when the browser attempts to navigate to "app:foo"
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// with "foo" as lpszWhere. Override to handle app commands.
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//
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void CHtmlCtrl::OnAppCmd(LPCTSTR lpszWhere)
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{
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// default: do nothing
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}
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