X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8614c467553e7dd8a5b9984683d73c89730b8ead..7e02be855d14263c996448bdb56c9e1002ad9b53:/src/msw/tooltip.cpp diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp index 128c77e852..052fbca0b9 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 /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -32,14 +32,8 @@ #include "wx/tooltip.h" #include "wx/msw/private.h" -#if defined(__WIN95__) && (!defined(__GNUWIN32__) || defined(__MINGW32__)) - #include -#endif - -#ifndef _WIN32_IE - // minimal set of features by default - #define _WIN32_IE 0x0200 -#endif +// include "properly" +#include "wx/msw/wrapcctl.h" // VZ: normally, the trick with subclassing the tooltip control and processing // TTM_WINDOWFROMPOINT should work but, somehow, it doesn't. I leave the @@ -77,7 +71,7 @@ static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL; class wxToolInfo : public TOOLINFO { public: - wxToolInfo(HWND hwnd) + wxToolInfo(HWND hwndOwner) { // initialize all members ::ZeroMemory(this, sizeof(TOOLINFO)); @@ -95,8 +89,9 @@ public: cbSize = sizeof(TOOLINFO); #endif // compile-time comctl32.dll version + hwnd = hwndOwner; uFlags = TTF_IDISHWND; - uId = (UINT)hwnd; + uId = (UINT)hwndOwner; } }; @@ -146,13 +141,13 @@ LRESULT APIENTRY wxToolTipWndProc(HWND hwndTT, { LPPOINT ppt = (LPPOINT)lParam; - // the window on which event occured + // the window on which event occurred HWND hwnd = ::WindowFromPoint(*ppt); OutputDebugString("TTM_WINDOWFROMPOINT: "); OutputDebugString(wxString::Format("0x%08x => ", hwnd)); - // return a HWND corresponding to a wxWindow because only wxWindows are + // return a HWND corresponding to a wxWindow because only wxWidgets are // associated with tooltips using TTM_ADDTOOL wxWindow *win = wxGetWindowFromHWND((WXHWND)hwnd); @@ -207,7 +202,7 @@ 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, @@ -222,8 +217,7 @@ WXHWND wxToolTip::GetToolTipCtrl() #if wxUSE_TTM_WINDOWFROMPOINT // subclass the newly created control - gs_wndprocToolTip = (WNDPROC)::GetWindowLong(hwnd, GWL_WNDPROC); - ::SetWindowLong(hwnd, GWL_WNDPROC, (long)wxToolTipWndProc); + gs_wndprocToolTip = wxSetWindowProc(hwnd, wxToolTipWndProc); #endif // wxUSE_TTM_WINDOWFROMPOINT } } @@ -240,6 +234,8 @@ void wxToolTip::RelayEvent(WXMSG *msg) // ctor & dtor // ---------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) + wxToolTip::wxToolTip(const wxString &tip) : m_text(tip) { @@ -272,12 +268,14 @@ 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) ) { @@ -290,10 +288,10 @@ void wxToolTip::Add(WXHWND hWnd) if ( index != wxNOT_FOUND ) { -#if _WIN32_IE >= 0x0300 - if ( wxTheApp->GetComCtl32Version() >= 470 ) +#ifdef TTM_SETMAXTIPWIDTH + if ( wxApp::GetComCtl32Version() >= 470 ) { - // use TTM_SETMAXWIDTH to make tooltip multiline using the + // use TTM_SETMAXTIPWIDTH to make tooltip multiline using the // extent of its first line as max value HFONT hfont = (HFONT)SendTooltipMessage(GetToolTipCtrl(), WM_GETFONT, @@ -303,37 +301,43 @@ void wxToolTip::Add(WXHWND hWnd) hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); if ( !hfont ) { - wxLogLastError("GetStockObject(DEFAULT_GUI_FONT)"); + wxLogLastError(wxT("GetStockObject(DEFAULT_GUI_FONT)")); } } - HDC hdc = CreateCompatibleDC(NULL); + MemoryHDC hdc; if ( !hdc ) { - wxLogLastError("CreateCompatibleDC(NULL)"); + wxLogLastError(wxT("CreateCompatibleDC(NULL)")); } if ( !SelectObject(hdc, hfont) ) { - wxLogLastError("SelectObject(hfont)"); + wxLogLastError(wxT("SelectObject(hfont)")); } SIZE sz; - if ( !GetTextExtentPoint(hdc, m_text, index, &sz) ) + if ( !::GetTextExtentPoint32(hdc, m_text, index, &sz) ) { - wxLogLastError("GetTextExtentPoint"); + wxLogLastError(wxT("GetTextExtentPoint32")); } - DeleteDC(hdc); - SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH, 0, (void *)sz.cx); } + else #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(" ")); + ti.lpszText = (wxChar *)m_text.c_str(); // const_cast - // replace the '\n's with spaces because otherwise they appear as - // unprintable characters in the tooltip string - m_text.Replace(_T("\n"), _T(" ")); + if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) ) + { + wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str()); + } + } } } } @@ -349,7 +353,7 @@ void wxToolTip::SetWindow(wxWindow *win) { Add(m_window->GetHWND()); } - +#if !defined(__WXUNIVERSAL__) // and all of its subcontrols (e.g. radiobuttons in a radiobox) as well wxControl *control = wxDynamicCast(m_window, wxControl); if ( control ) @@ -364,7 +368,7 @@ void wxToolTip::SetWindow(wxWindow *win) { // 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) + // for wxWidgets but are its siblings at Windows level) hwnd = GetDlgItem(GetHwndOf(m_window->GetParent()), id); } @@ -374,6 +378,23 @@ void wxToolTip::SetWindow(wxWindow *win) 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 // !defined(__WXUNIVERSAL__) } void wxToolTip::SetTip(const wxString& tip) @@ -382,7 +403,7 @@ 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();