X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8caa4ed10ec5a89c61dff9d19c3c28ea729b4272..55826fcf4fd863d48ac28789d99bbb5c8a8d4c7e:/src/msw/tooltip.cpp diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp index 8b93c29007..8c50c9bd3e 100644 --- a/src/msw/tooltip.cpp +++ b/src/msw/tooltip.cpp @@ -6,7 +6,7 @@ // Created: 31.01.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -32,18 +32,24 @@ #include "wx/tooltip.h" #include "wx/msw/private.h" -#if defined(__WIN95__) && (!defined(__GNUWIN32__) || defined(__MINGW32__)) +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !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. -#define wxUSE_TTM_WINDOWFROMPOINT 1 +// 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 // ---------------------------------------------------------------------------- // global variables @@ -71,7 +77,7 @@ static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL; class wxToolInfo : public TOOLINFO { public: - wxToolInfo(HWND hwnd) + wxToolInfo(HWND hwndOwner) { // initialize all members ::ZeroMemory(this, sizeof(TOOLINFO)); @@ -83,14 +89,15 @@ public: // 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 defined(_WIN32_IE) && (_WIN32_IE >= 0x0300) +#if _WIN32_IE >= 0x0300 cbSize = sizeof(TOOLINFO) - sizeof(LPARAM); #else // old headers cbSize = sizeof(TOOLINFO); #endif // compile-time comctl32.dll version + hwnd = hwndOwner; uFlags = TTF_IDISHWND; - uId = (UINT)hwnd; + uId = (UINT)hwndOwner; } }; @@ -139,27 +146,36 @@ 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(CASTWNDPROC gs_wndprocToolTip, hwndTT, msg, wParam, lParam); @@ -192,7 +208,7 @@ 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, @@ -225,6 +241,8 @@ void wxToolTip::RelayEvent(WXMSG *msg) // ctor & dtor // ---------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) + wxToolTip::wxToolTip(const wxString &tip) : m_text(tip) { @@ -257,17 +275,70 @@ void wxToolTip::Add(WXHWND hWnd) wxToolInfo ti(hwnd); - // 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 + // another possibility would be to specify LPSTR_TEXTCALLBACK here as we + // store the tooltip text ourselves anyhow, and provide it in response to + // TTN_NEEDTEXT (sent via WM_NOTIFY), but then we would be limited to 79 + // character tooltips as this is the size of the szText buffer in + // NMTTDISPINFO struct -- and setting the tooltip here we can have tooltips + // of any length ti.hwnd = hwnd; - ti.lpszText = LPSTR_TEXTCALLBACK; - // instead of: ti.lpszText = (char *)m_text.c_str(); + ti.lpszText = (wxChar *)m_text.c_str(); // const_cast if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) ) { 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)")); + } + } + + MemoryHDC hdc; + 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")); + } + + 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(" ")); + } + } } void wxToolTip::SetWindow(wxWindow *win) @@ -281,25 +352,48 @@ void wxToolTip::SetWindow(wxWindow *win) { Add(m_window->GetHWND()); } - -#if 1 //!wxUSE_TTM_WINDOWFROMPOINT +#if !defined(__WXUNIVERSAL__) // and all of its subcontrols (e.g. radiobuttons in a radiobox) as well 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); } } -#endif // !wxUSE_TTM_WINDOWFROMPOINT +#endif // !defined(__WXUNIVERSAL__) } void wxToolTip::SetTip(const wxString& tip) @@ -308,7 +402,7 @@ void wxToolTip::SetTip(const wxString& tip) if ( m_window ) { - // update it immediately + // update the tip text shown by the control wxToolInfo ti(GetHwndOf(m_window)); ti.lpszText = (wxChar *)m_text.c_str();