X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/65fd5cb0124e62ab1fc41f93382a205d95b00e75..d01cc696fca6de1e1fa3ebcd10eefc6596d629f9:/src/msw/tooltip.cpp diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp index ca76d82573..0bac53472b 100644 --- a/src/msw/tooltip.cpp +++ b/src/msw/tooltip.cpp @@ -32,32 +32,57 @@ #include "wx/tooltip.h" #include "wx/msw/private.h" -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) -#include +#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) + #include #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 0 + +// ---------------------------------------------------------------------------- +// global variables +// ---------------------------------------------------------------------------- + +// the tooltip parent window +WXHWND wxToolTip::ms_hwndTT = (WXHWND)NULL; + +#if wxUSE_TTM_WINDOWFROMPOINT + +// the tooltip window proc +static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL; + +#endif // wxUSE_TTM_WINDOWFROMPOINT + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- // a simple wrapper around TOOLINFO Win32 structure +#ifdef __VISUALC__ + #pragma warning( disable : 4097 ) // we inherit from a typedef - so what? +#endif class wxToolInfo : public TOOLINFO { public: - wxToolInfo(wxWindow *win) + wxToolInfo(HWND hwnd) { // initialize all members -#if defined( __GNUWIN32__ ) && !defined(wxUSE_NORLANDER_HEADERS) - memset(this, 0, sizeof(TOOLINFO)); -#else ::ZeroMemory(this, sizeof(TOOLINFO)); -#endif cbSize = sizeof(TOOLINFO); uFlags = TTF_IDISHWND; - uId = (UINT)win->GetHWND(); + uId = (UINT)hwnd; } }; +#ifdef __VISUALC__ + #pragma warning( default : 4097 ) +#endif // ---------------------------------------------------------------------------- // private functions @@ -74,57 +99,59 @@ inline LRESULT SendTooltipMessage(WXHWND hwnd, } // send a message to all existing tooltip controls -static void SendTooltipMessageToAll(UINT msg, WPARAM wParam, LPARAM lParam) +static void SendTooltipMessageToAll(WXHWND hwnd, + UINT msg, + WPARAM wParam, + LPARAM lParam) { - // NB: it might be somewhat easier to maintain a list of all existing - // wxToolTip controls (put them there in ctor, delete from the list - // in dtor) - may be it's worth doing it this way? OTOH, typical - // application won't have many top level windows, so iterating over all - // of them shouldnt' take much time neither... - - // iterate over all top level windows and send message to the tooltip - // control of each and every of them (or more precisely to all dialogs and - // frames) - wxDialog *dialog = NULL; - wxFrame *frame = NULL; - - wxNode *node = wxTopLevelWindows.First(); - while ( node ) - { - wxWindow *win = (wxWindow *)node->Data(); + (void)SendTooltipMessage((WXHWND)hwnd, msg, wParam, (void *)lParam); +} - node = node->Next(); +// ============================================================================ +// implementation +// ============================================================================ - if ( win->IsKindOf(CLASSINFO(wxFrame)) ) - { - frame = (wxFrame *)win; - dialog = NULL; - } - else if ( win->IsKindOf(CLASSINFO(wxDialog)) ) +#if wxUSE_TTM_WINDOWFROMPOINT + +// ---------------------------------------------------------------------------- +// window proc for our tooltip control +// ---------------------------------------------------------------------------- + +LRESULT APIENTRY wxToolTipWndProc(HWND hwndTT, + UINT msg, + WPARAM wParam, + LPARAM lParam) +{ + if ( msg == TTM_WINDOWFROMPOINT ) + { + LPPOINT ppt = (LPPOINT)lParam; + // is the window under control a wxWindow? + HWND hwnd = ::WindowFromPoint(*ppt); + + // return a HWND correspondign to wxWindow because only wxWindows are + // associated with tooltips using TTM_ADDTOOL + while ( hwnd && !wxFindWinFromHandle((WXHWND)hwnd) ) { - dialog = (wxDialog *)win; - frame = NULL; + hwnd = ::GetParent(hwnd); } - else + + if ( hwnd ) { - // skip this strange top level window - continue; - } + // modify the point too! + RECT rect; + GetWindowRect(hwnd, &rect); - wxASSERT_MSG( dialog || frame, _T("logic error") ); + ppt->x = rect.left; + ppt->y = rect.top; - WXHWND hwndTT = frame ? frame->GetToolTipCtrl() - : dialog->GetToolTipCtrl(); - if ( hwndTT ) - { - (void)SendTooltipMessage(hwndTT, msg, wParam, (void *)lParam); + return (LRESULT)hwnd; } } + + return ::CallWindowProc(gs_wndprocToolTip, hwndTT, msg, wParam, lParam); } -// ============================================================================ -// implementation -// ============================================================================ +#endif // wxUSE_TTM_WINDOWFROMPOINT // ---------------------------------------------------------------------------- // static functions @@ -132,12 +159,13 @@ static void SendTooltipMessageToAll(UINT msg, WPARAM wParam, LPARAM lParam) void wxToolTip::Enable(bool flag) { - SendTooltipMessageToAll(TTM_ACTIVATE, flag, 0); + SendTooltipMessageToAll(ms_hwndTT, TTM_ACTIVATE, flag, 0); } void wxToolTip::SetDelay(long milliseconds) { - SendTooltipMessageToAll(TTM_SETDELAYTIME, TTDT_INITIAL, milliseconds); + SendTooltipMessageToAll(ms_hwndTT, TTM_SETDELAYTIME, + TTDT_INITIAL, milliseconds); } // --------------------------------------------------------------------------- @@ -147,60 +175,31 @@ void wxToolTip::SetDelay(long milliseconds) // create the tooltip ctrl for our parent frame if it doesn't exist yet WXHWND wxToolTip::GetToolTipCtrl() { - // find either parent dialog or parent frame - tooltip controls are managed - // by these 2 classes only (it doesn't make sense to create one tooltip per - // each and every wxWindow) - wxFrame *frame = NULL; - wxDialog *dialog = NULL; - - wxWindow *parent = m_window; - while ( parent ) + if ( !ms_hwndTT ) { - if ( parent->IsKindOf(CLASSINFO(wxFrame)) ) - { - frame = (wxFrame *)parent; - - break; - } - else if ( parent->IsKindOf(CLASSINFO(wxDialog)) ) - { - dialog = (wxDialog *)parent; - - break; - } - - parent = parent->GetParent(); - } - - wxCHECK_MSG( frame || dialog, 0, - _T("can't create tooltip control outside a frame or a dialog") ); - - HWND hwndTT = (HWND)(frame ? frame->GetToolTipCtrl() - : dialog->GetToolTipCtrl()); - if ( !hwndTT ) - { - hwndTT = ::CreateWindow(TOOLTIPS_CLASS, - (LPSTR)NULL, - TTS_ALWAYSTIP, - CW_USEDEFAULT, CW_USEDEFAULT, - CW_USEDEFAULT, CW_USEDEFAULT, - (HWND)parent->GetHWND(), (HMENU)NULL, - wxGetInstance(), NULL); - - if ( hwndTT ) - { - if ( frame ) - frame->SetToolTipCtrl((WXHWND)hwndTT); - else - dialog->SetToolTipCtrl((WXHWND)hwndTT); - } - else - { - wxLogSysError(_("Can not create tooltip control")); - } + ms_hwndTT = (WXHWND)::CreateWindow(TOOLTIPS_CLASS, + (LPSTR)NULL, + TTS_ALWAYSTIP, + CW_USEDEFAULT, CW_USEDEFAULT, + CW_USEDEFAULT, CW_USEDEFAULT, + NULL, (HMENU)NULL, + wxGetInstance(), + NULL); + if ( ms_hwndTT ) + { + HWND hwnd = (HWND)ms_hwndTT; + SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, + SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); + +#if wxUSE_TTM_WINDOWFROMPOINT + // subclass the newly created control + gs_wndprocToolTip = (WNDPROC)::GetWindowLong(hwnd, GWL_WNDPROC); + ::SetWindowLong(hwnd, GWL_WNDPROC, (long)wxToolTipWndProc); +#endif // wxUSE_TTM_WINDOWFROMPOINT + } } - return (WXHWND)hwndTT; + return ms_hwndTT; } void wxToolTip::RelayEvent(WXMSG *msg) @@ -233,32 +232,57 @@ void wxToolTip::Remove() // remove this tool from the tooltip control if ( m_window ) { - wxToolInfo ti(m_window); + wxToolInfo ti(GetHwndOf(m_window)); (void)SendTooltipMessage(GetToolTipCtrl(), TTM_DELTOOL, 0, &ti); } } +void wxToolTip::Add(WXHWND hWnd) +{ + HWND hwnd = (HWND)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 + ti.hwnd = hwnd; + ti.lpszText = LPSTR_TEXTCALLBACK; + // instead of: ti.lpszText = (char *)m_text.c_str(); + + if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) ) + { + wxLogSysError(_("Failed to create the tooltip '%s'"), + m_text.c_str()); + } +} + void wxToolTip::SetWindow(wxWindow *win) { Remove(); m_window = win; + // add the window itself 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(); + Add(m_window->GetHWND()); + } - if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, 0, &ti) ) + // 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(); + for ( size_t n = 0; n < count; n++ ) { - wxLogSysError(_("Failed to create the tooltip '%s'"), - m_text.c_str()); + wxWindowID id = control->GetSubcontrols()[n]; + HWND hwnd = GetDlgItem(GetHwndOf(m_window), id); + + if ( hwnd ) + { + Add((WXHWND)hwnd); + } } } } @@ -270,7 +294,7 @@ void wxToolTip::SetTip(const wxString& tip) if ( m_window ) { // update it immediately - wxToolInfo ti(m_window); + wxToolInfo ti(GetHwndOf(m_window)); ti.lpszText = (wxChar *)m_text.c_str(); (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);