X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c25a510b30bd87f26deaf3532a48d29a158f0aea..ef70f0ecdbc4268923e132b257c95e8a2525f4ca:/src/msw/tooltip.cpp diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp index 0aa577b1aa..930748cdbf 100644 --- a/src/msw/tooltip.cpp +++ b/src/msw/tooltip.cpp @@ -32,17 +32,23 @@ #include "wx/tooltip.h" #include "wx/msw/private.h" -#if defined(__WIN95__) && (!defined(__GNUWIN32__) || defined(__MINGW32__)) +#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) #include #endif +#ifndef _WIN32_IE + // minimal set of features by default + #define _WIN32_IE 0x0200 +#endif + // VZ: normally, the trick with subclassing the tooltip control and processing // TTM_WINDOWFROMPOINT should work but, somehow, it doesn't. I leave the // code here for now (but it's not compiled) in case we need it later. // -// For now, instead of this, we just add all radiobox buttons to the -// tooltip control as well (see SetWindow) - this is probably less -// efficient, but it works. +// For now I use an ugly workaround and process TTN_NEEDTEXT directly in +// radio button wnd proc - fixing TTM_WINDOWFROMPOINT code would be nice +// because it would then work for all controls, not only radioboxes but for +// now I don't understand what's wrong with it... #define wxUSE_TTM_WINDOWFROMPOINT 0 // ---------------------------------------------------------------------------- @@ -63,10 +69,11 @@ static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL; // private classes // ---------------------------------------------------------------------------- -// a simple wrapper around TOOLINFO Win32 structure +// a wrapper around TOOLINFO Win32 structure #ifdef __VISUALC__ #pragma warning( disable : 4097 ) // we inherit from a typedef - so what? #endif + class wxToolInfo : public TOOLINFO { public: @@ -75,11 +82,24 @@ public: // initialize all members ::ZeroMemory(this, sizeof(TOOLINFO)); + // the structure TOOLINFO has been extended with a 4 byte field in + // version 4.70 of comctl32.dll and if we compile on a newer machine + // but run on one with the old version of comctl32, nothing will work + // because the library will detect that we rely on a more recent + // version of it. So we always use the old size - if we ever start + // using our lParam member, we'd have to check for comctl32 version + // during run-time +#if _WIN32_IE >= 0x0300 + cbSize = sizeof(TOOLINFO) - sizeof(LPARAM); +#else // old headers cbSize = sizeof(TOOLINFO); +#endif // compile-time comctl32.dll version + uFlags = TTF_IDISHWND; uId = (UINT)hwnd; } }; + #ifdef __VISUALC__ #pragma warning( default : 4097 ) #endif @@ -125,30 +145,39 @@ LRESULT APIENTRY wxToolTipWndProc(HWND hwndTT, if ( msg == TTM_WINDOWFROMPOINT ) { LPPOINT ppt = (LPPOINT)lParam; - // is the window under control a wxWindow? + + // the window on which event occured HWND hwnd = ::WindowFromPoint(*ppt); - // return a HWND correspondign to wxWindow because only wxWindows are + OutputDebugString("TTM_WINDOWFROMPOINT: "); + OutputDebugString(wxString::Format("0x%08x => ", hwnd)); + + // return a HWND corresponding to a wxWindow because only wxWindows are // associated with tooltips using TTM_ADDTOOL - while ( hwnd && !wxFindWinFromHandle((WXHWND)hwnd) ) - { - hwnd = ::GetParent(hwnd); - } + wxWindow *win = wxGetWindowFromHWND((WXHWND)hwnd); - if ( hwnd ) + if ( win ) { + hwnd = GetHwndOf(win); + OutputDebugString(wxString::Format("0x%08x\r\n", hwnd)); + +#if 0 // modify the point too! RECT rect; GetWindowRect(hwnd, &rect); - ppt->x = rect.left; - ppt->y = rect.top; - + ppt->x = (rect.right - rect.left) / 2; + ppt->y = (rect.bottom - rect.top) / 2; +#endif // 0 return (LRESULT)hwnd; } + else + { + OutputDebugString("no window\r\n"); + } } - return ::CallWindowProc(gs_wndprocToolTip, hwndTT, msg, wParam, lParam); + return ::CallWindowProc(CASTWNDPROC gs_wndprocToolTip, hwndTT, msg, wParam, lParam); } #endif // wxUSE_TTM_WINDOWFROMPOINT @@ -178,7 +207,7 @@ WXHWND wxToolTip::GetToolTipCtrl() if ( !ms_hwndTT ) { ms_hwndTT = (WXHWND)::CreateWindow(TOOLTIPS_CLASS, - (LPSTR)NULL, + (LPCTSTR)NULL, TTS_ALWAYSTIP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, @@ -211,6 +240,8 @@ void wxToolTip::RelayEvent(WXMSG *msg) // ctor & dtor // ---------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) + wxToolTip::wxToolTip(const wxString &tip) : m_text(tip) { @@ -252,8 +283,60 @@ void wxToolTip::Add(WXHWND hWnd) if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) ) { - wxLogSysError(_("Failed to create the tooltip '%s'"), - m_text.c_str()); + wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str()); + } + else + { + // check for multiline toopltip + int index = m_text.Find(_T('\n')); + + if ( index != wxNOT_FOUND ) + { +#if _WIN32_IE >= 0x0300 + if ( wxTheApp->GetComCtl32Version() >= 470 ) + { + // use TTM_SETMAXWIDTH to make tooltip multiline using the + // extent of its first line as max value + HFONT hfont = (HFONT)SendTooltipMessage(GetToolTipCtrl(), + WM_GETFONT, + 0, 0); + if ( !hfont ) + { + hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); + if ( !hfont ) + { + wxLogLastError(wxT("GetStockObject(DEFAULT_GUI_FONT)")); + } + } + + HDC hdc = CreateCompatibleDC(NULL); + if ( !hdc ) + { + wxLogLastError(wxT("CreateCompatibleDC(NULL)")); + } + + if ( !SelectObject(hdc, hfont) ) + { + wxLogLastError(wxT("SelectObject(hfont)")); + } + + SIZE sz; + if ( !GetTextExtentPoint(hdc, m_text, index, &sz) ) + { + wxLogLastError(wxT("GetTextExtentPoint")); + } + + DeleteDC(hdc); + + SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH, + 0, (void *)sz.cx); + } +#endif // comctl32.dll >= 4.70 + + // replace the '\n's with spaces because otherwise they appear as + // unprintable characters in the tooltip string + m_text.Replace(_T("\n"), _T(" ")); + } } } @@ -273,16 +356,40 @@ void wxToolTip::SetWindow(wxWindow *win) wxControl *control = wxDynamicCast(m_window, wxControl); if ( control ) { - size_t count = control->GetSubcontrols().GetCount(); + const wxArrayLong& subcontrols = control->GetSubcontrols(); + size_t count = subcontrols.GetCount(); for ( size_t n = 0; n < count; n++ ) { - wxWindowID id = control->GetSubcontrols()[n]; + int id = subcontrols[n]; HWND hwnd = GetDlgItem(GetHwndOf(m_window), id); - - if ( hwnd ) + if ( !hwnd ) { - Add((WXHWND)hwnd); + // may be it's a child of parent of the control, in fact? + // (radiobuttons are subcontrols, i.e. children of the radiobox + // for wxWindows but are its siblings at Windows level) + hwnd = GetDlgItem(GetHwndOf(m_window->GetParent()), id); } + + // must have it by now! + wxASSERT_MSG( hwnd, _T("no hwnd for subcontrol?") ); + + Add((WXHWND)hwnd); + } + } + + // VZ: it's ugly to do it here, but I don't want any major changes right + // now, later we will probably want to have wxWindow::OnGotToolTip() or + // something like this where the derived class can do such things + // itself instead of wxToolTip "knowing" about them all + wxComboBox *combo = wxDynamicCast(control, wxComboBox); + if ( combo ) + { + WXHWND hwndComboEdit = combo->GetWindowStyle() & wxCB_READONLY + ? combo->GetHWND() + : combo->GetEditHWND(); + if ( hwndComboEdit ) + { + Add(hwndComboEdit); } } }