*** empty log message ***

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4043 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/tooltip.cpp

@@ -0,0 +1,214 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        msw/tooltip.cpp
+// Purpose:     wxToolTip class implementation for MSW
+// Author:      David Webster
+// Modified by:
+// Created:     10/17/99
+// RCS-ID:      $Id$
+// Copyright:   (c) David Webster
+// Licence:     wxWindows license
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#if wxUSE_TOOLTIPS
+
+#include "wx/tooltip.h"
+#include "wx/os2/private.h"
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+// the tooltip parent window
+WXHWND wxToolTip::hwndTT = (WXHWND)NULL;
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+
+// a simple wrapper around TOOLINFO Win32 structure
+class wxToolInfo // define a TOOLINFO for OS/2 here : public TOOLINFO
+{
+public:
+    wxToolInfo(wxWindow *win)
+    {
+        // initialize all members
+//        ::ZeroMemory(this, sizeof(TOOLINFO));
+
+        cbSize = sizeof(this);
+        uFlags = 0; // TTF_IDISHWND;
+        uId = (UINT)win->GetHWND();
+    }
+    size_t        cbSize;
+    ULONG         uFlags;
+    UINT          uId;
+    HWND          hwnd;
+    char*         lpszText;
+};
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// send a message to the tooltip control
+inline MRESULT SendTooltipMessage(WXHWND hwnd,
+                                  UINT msg,
+                                  MPARAM wParam,
+                                  MPARAM lParam)
+{
+//    return hwnd ? ::SendMessage((HWND)hwnd, msg, wParam, (MPARAM)lParam)
+//                : 0;
+    return (MRESULT)0;
+}
+
+// send a message to all existing tooltip controls
+static void SendTooltipMessageToAll(WXHWND hwnd,
+                                    UINT msg,
+                                    MPARAM wParam,
+                                    MPARAM lParam)
+{
+   if ( hwnd )
+     (void)SendTooltipMessage((WXHWND)hwnd, msg, wParam, lParam);
+}
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// static functions
+// ----------------------------------------------------------------------------
+
+void wxToolTip::Enable(bool flag)
+{
+//    SendTooltipMessageToAll((WXHWND)hwndTT,TTM_ACTIVATE, flag, 0);
+}
+
+void wxToolTip::SetDelay(long milliseconds)
+{
+//    SendTooltipMessageToAll((WXHWND)hwndTT,TTM_SETDELAYTIME, TTDT_INITIAL, milliseconds);
+}
+
+// ---------------------------------------------------------------------------
+// implementation helpers
+// ---------------------------------------------------------------------------
+
+// create the tooltip ctrl for our parent frame if it doesn't exist yet
+WXHWND wxToolTip::GetToolTipCtrl()
+{
+// TODO:
+/*
+    if ( !hwndTT )
+    {
+        hwndTT = (WXHWND)::CreateWindow(TOOLTIPS_CLASS,
+                                (LPSTR)NULL,
+                                TTS_ALWAYSTIP,
+                                CW_USEDEFAULT, CW_USEDEFAULT,
+                                CW_USEDEFAULT, CW_USEDEFAULT,
+                                NULL, (HMENU)NULL,
+                                wxGetInstance(),
+                                NULL);
+       if ( hwndTT )
+       {
+           SetWindowPos((HWND)hwndTT, HWND_TOPMOST, 0, 0, 0, 0,
+                        SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
+       }
+
+    }
+    return (WXHWND)hwndTT;
+*/
+    return (WXHWND)0;
+}
+
+void wxToolTip::RelayEvent(WXMSG *msg)
+{
+//  (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, 0, msg);
+}
+
+// ----------------------------------------------------------------------------
+// ctor & dtor
+// ----------------------------------------------------------------------------
+
+wxToolTip::wxToolTip(const wxString &tip)
+         : m_text(tip)
+{
+    m_window = NULL;
+}
+
+wxToolTip::~wxToolTip()
+{
+    // there is no need to Remove() this tool - it will be done automatically
+    // anyhow
+}
+
+// ----------------------------------------------------------------------------
+// others
+// ----------------------------------------------------------------------------
+
+void wxToolTip::Remove()
+{
+    // remove this tool from the tooltip control
+    if ( m_window )
+    {
+        wxToolInfo ti(m_window);
+//      (void)SendTooltipMessage(GetToolTipCtrl(), TTM_DELTOOL, 0, &ti);
+    }
+}
+
+void wxToolTip::SetWindow(wxWindow *win)
+{
+    Remove();
+
+    m_window = win;
+
+    if ( m_window )
+    {
+        wxToolInfo ti(m_window);
+
+        // as we store our text anyhow, it seems useless to waste system memory
+        // by asking the tooltip ctrl to remember it too - instead it will send
+        // us TTN_NEEDTEXT (via WM_NOTIFY) when it is about to be shown
+        ti.hwnd = (HWND)m_window->GetHWND();
+//        ti.lpszText = LPSTR_TEXTCALLBACK;
+        // instead of: ti.lpszText = (char *)m_text.c_str();
+
+// TODO:
+/*
+        if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) )
+        {
+            wxLogSysError(_("Failed to create the tooltip '%s'"),
+                          m_text.c_str());
+        }
+*/
+    }
+}
+
+void wxToolTip::SetTip(const wxString& tip)
+{
+    m_text = tip;
+
+    if ( m_window )
+    {
+        // update it immediately
+        wxToolInfo ti(m_window);
+        ti.lpszText = (wxChar *)m_text.c_str();
+
+//      (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
+    }
+}
+
+#endif // wxUSE_TOOLTIPS