X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4e916e61ea24c165fb55e78172f1093bf7481b48..96c9640205933ad0673d5af2c96af0816c50160c:/src/msw/tooltip.cpp diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp index 24b7818c97..23ad01cbd4 100644 --- a/src/msw/tooltip.cpp +++ b/src/msw/tooltip.cpp @@ -34,6 +34,7 @@ #endif #include "wx/tokenzr.h" +#include "wx/vector.h" #include "wx/msw/private.h" #ifndef TTTOOLINFO_V1_SIZE @@ -75,6 +76,12 @@ static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL; // private classes // ---------------------------------------------------------------------------- +// This is simply a wrapper for vector but defined as a class to hide the +// details from the public header. +class wxToolTipOtherWindows : public wxVector +{ +}; + // a wrapper around TOOLINFO Win32 structure #ifdef __VISUALC__ #pragma warning( disable : 4097 ) // we inherit from a typedef - so what? @@ -83,7 +90,7 @@ static WNDPROC gs_wndprocToolTip = (WNDPROC)NULL; class wxToolInfo : public TOOLINFO { public: - wxToolInfo(HWND hwndOwner) + wxToolInfo(HWND hwndOwner, unsigned int id, const wxRect& rc) { // initialize all members ::ZeroMemory(this, sizeof(TOOLINFO)); @@ -95,7 +102,27 @@ public: cbSize = TTTOOLINFO_V1_SIZE; hwnd = hwndOwner; - uFlags = TTF_IDISHWND; + + if (rc.IsEmpty()) + { + uFlags = TTF_IDISHWND; + uId = (UINT_PTR)hwndOwner; + } + else + { + // this tooltip must be shown only if the mouse hovers a specific rect + // of the hwnd parameter! + rect.left = rc.GetLeft(); + rect.right = rc.GetRight(); + rect.top = rc.GetTop(); + rect.bottom = rc.GetBottom(); + + // note that not setting TTF_IDISHWND from the uFlags member means that the + // ti.uId field should not contain the HWND but rather as MSDN says an + // "Application-defined identifier of the tool"; this is used internally by + // Windows to distinguish the different tooltips attached to the same window + uId = id; + } // we use TTF_TRANSPARENT to fix a problem which arises at least with // the text controls but may presumably happen with other controls @@ -107,8 +134,6 @@ public: { uFlags |= TTF_TRANSPARENT; } - - uId = (UINT_PTR)hwndOwner; } }; @@ -197,11 +222,17 @@ LRESULT APIENTRY wxToolTipWndProc(HWND hwndTT, void wxToolTip::Enable(bool flag) { + // Make sure the tooltip has been created + (void) GetToolTipCtrl(); + SendTooltipMessageToAll(ms_hwndTT, TTM_ACTIVATE, flag, 0); } void wxToolTip::SetDelay(long milliseconds) { + // Make sure the tooltip has been created + (void) GetToolTipCtrl(); + SendTooltipMessageToAll(ms_hwndTT, TTM_SETDELAYTIME, TTDT_INITIAL, milliseconds); } @@ -220,7 +251,7 @@ void wxToolTip::SetReshow(long milliseconds) void wxToolTip::SetMaxWidth(int width) { - wxASSERT_MSG( width == -1 || width >= 0, _T("invalid width value") ); + wxASSERT_MSG( width == -1 || width >= 0, wxT("invalid width value") ); ms_maxWidth = width; } @@ -284,6 +315,23 @@ wxToolTip::wxToolTip(const wxString &tip) : m_text(tip) { m_window = NULL; + m_others = NULL; + + // make sure m_rect.IsEmpty() == true + m_rect.SetWidth(0); + m_rect.SetHeight(0); + + // since m_rect is not valid, m_id is ignored by wxToolInfo ctor... + m_id = 0; +} + +wxToolTip::wxToolTip(wxWindow* win, unsigned int id, const wxString &tip, const wxRect& rc) + : m_text(tip), m_rect(rc), m_id(id) +{ + m_window = NULL; + m_others = NULL; + + SetWindow(win); } wxToolTip::~wxToolTip() @@ -291,32 +339,56 @@ wxToolTip::~wxToolTip() // the tooltip has to be removed before deleting. Otherwise, if it is visible // while being deleted, there will be a delay before it goes away. Remove(); + + delete m_others; } // ---------------------------------------------------------------------------- // others // ---------------------------------------------------------------------------- -void wxToolTip::Remove(WXHWND hWnd) +/* static */ +void wxToolTip::Remove(WXHWND hWnd, unsigned int id, const wxRect& rc) { - wxToolInfo ti((HWND)hWnd); + wxToolInfo ti((HWND)hWnd, id, rc); + (void)SendTooltipMessage(GetToolTipCtrl(), TTM_DELTOOL, &ti); } -void wxToolTip::Remove() +void wxToolTip::DoRemove(WXHWND hWnd) { - // remove this tool from the tooltip control - if ( m_window ) + if ( m_window && hWnd == m_window->GetHWND() ) { - Remove(m_window->GetHWND()); + // Remove the tooltip from the main window. + Remove(hWnd, m_id, m_rect); } + else + { + // Not really sure what to pass to remove in this case... + Remove(hWnd, 0, wxRect()); + } +} + +void wxToolTip::Remove() +{ + DoForAllWindows(&wxToolTip::DoRemove); +} + +void wxToolTip::AddOtherWindow(WXHWND hWnd) +{ + if ( !m_others ) + m_others = new wxToolTipOtherWindows; + + m_others->push_back(hWnd); + + DoAddHWND(hWnd); } -void wxToolTip::Add(WXHWND hWnd) +void wxToolTip::DoAddHWND(WXHWND hWnd) { HWND hwnd = (HWND)hWnd; - wxToolInfo ti(hwnd); + wxToolInfo ti(hwnd, m_id, m_rect); // another possibility would be to specify LPSTR_TEXTCALLBACK here as we // store the tooltip text ourselves anyhow, and provide it in response to @@ -325,91 +397,98 @@ void wxToolTip::Add(WXHWND hWnd) // NMTTDISPINFO struct -- and setting the tooltip here we can have tooltips // of any length ti.hwnd = hwnd; - ti.lpszText = (wxChar *)m_text.wx_str(); // const_cast + ti.lpszText = const_cast(m_text.wx_str()); if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) ) { - wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str()); + wxLogDebug(wxT("Failed to create the tooltip '%s'"), m_text.c_str()); + + return; } - else - { + #ifdef TTM_SETMAXTIPWIDTH - if ( wxApp::GetComCtl32Version() >= 470 ) - { - // use TTM_SETMAXTIPWIDTH to make tooltip multiline using the - // extent of its first line as max value - HFONT hfont = (HFONT) - SendTooltipMessage(GetToolTipCtrl(), WM_GETFONT, 0); + if ( wxApp::GetComCtl32Version() >= 470 ) + { + // use TTM_SETMAXTIPWIDTH to make tooltip multiline using the + // extent of its first line as max value + HFONT hfont = (HFONT) + SendTooltipMessage(GetToolTipCtrl(), WM_GETFONT, 0); + if ( !hfont ) + { + hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); if ( !hfont ) { - hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); - if ( !hfont ) - { - wxLogLastError(wxT("GetStockObject(DEFAULT_GUI_FONT)")); - } - } - - MemoryHDC hdc; - if ( !hdc ) - { - wxLogLastError(wxT("CreateCompatibleDC(NULL)")); + wxLogLastError(wxT("GetStockObject(DEFAULT_GUI_FONT)")); } + } - if ( !SelectObject(hdc, hfont) ) - { - wxLogLastError(wxT("SelectObject(hfont)")); - } + MemoryHDC hdc; + if ( !hdc ) + { + wxLogLastError(wxT("CreateCompatibleDC(NULL)")); + } - // find the width of the widest line - int maxWidth = 0; - wxStringTokenizer tokenizer(m_text, _T("\n")); - while ( tokenizer.HasMoreTokens() ) - { - const wxString token = tokenizer.GetNextToken(); + if ( !SelectObject(hdc, hfont) ) + { + wxLogLastError(wxT("SelectObject(hfont)")); + } - SIZE sz; - if ( !::GetTextExtentPoint32(hdc, token.wx_str(), - token.length(), &sz) ) - { - wxLogLastError(wxT("GetTextExtentPoint32")); - } + // find the width of the widest line + int maxWidth = 0; + wxStringTokenizer tokenizer(m_text, wxT("\n")); + while ( tokenizer.HasMoreTokens() ) + { + const wxString token = tokenizer.GetNextToken(); - if ( sz.cx > maxWidth ) - maxWidth = sz.cx; + SIZE sz; + if ( !::GetTextExtentPoint32(hdc, token.wx_str(), + token.length(), &sz) ) + { + wxLogLastError(wxT("GetTextExtentPoint32")); } - // limit size to ms_maxWidth, if set - if ( ms_maxWidth == 0 ) - { - // this is more or less arbitrary but seems to work well - static const int DEFAULT_MAX_WIDTH = 400; + if ( sz.cx > maxWidth ) + maxWidth = sz.cx; + } - ms_maxWidth = wxGetClientDisplayRect().width / 2; + // limit size to ms_maxWidth, if set + if ( ms_maxWidth == 0 ) + { + // this is more or less arbitrary but seems to work well + static const int DEFAULT_MAX_WIDTH = 400; - if ( ms_maxWidth > DEFAULT_MAX_WIDTH ) - ms_maxWidth = DEFAULT_MAX_WIDTH; - } + ms_maxWidth = wxGetClientDisplayRect().width / 2; + + if ( ms_maxWidth > DEFAULT_MAX_WIDTH ) + ms_maxWidth = DEFAULT_MAX_WIDTH; + } - if ( ms_maxWidth != -1 && maxWidth > ms_maxWidth ) - maxWidth = ms_maxWidth; + if ( ms_maxWidth != -1 && maxWidth > ms_maxWidth ) + maxWidth = ms_maxWidth; - // only set a new width if it is bigger than the current setting + // only set a new width if it is bigger than the current setting: + // otherwise adding a tooltip with shorter line(s) than a previous + // one would result in breaking the longer lines unnecessarily as + // all our tooltips share the same maximal width + if ( maxWidth > SendTooltipMessage(GetToolTipCtrl(), + TTM_GETMAXTIPWIDTH, 0) ) + { SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH, wxUIntToPtr(maxWidth)); } - else + } + else #endif // TTM_SETMAXTIPWIDTH - { - // 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.wx_str(); // const_cast + { + // replace the '\n's with spaces because otherwise they appear as + // unprintable characters in the tooltip string + m_text.Replace(wxT("\n"), wxT(" ")); + ti.lpszText = const_cast(m_text.wx_str()); - if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) ) - { - wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str()); - } + if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) ) + { + wxLogDebug(wxT("Failed to create the tooltip '%s'"), m_text.c_str()); } } } @@ -423,7 +502,7 @@ void wxToolTip::SetWindow(wxWindow *win) // add the window itself if ( m_window ) { - Add(m_window->GetHWND()); + DoAddHWND(m_window->GetHWND()); } #if !defined(__WXUNIVERSAL__) // and all of its subcontrols (e.g. radio buttons in a radiobox) as well @@ -438,38 +517,69 @@ void wxToolTip::SetWindow(wxWindow *win) HWND hwnd = GetDlgItem(GetHwndOf(m_window), id); if ( !hwnd ) { - // may be it's a child of parent of the control, in fact? + // maybe it's a child of parent of the control, in fact? // (radiobuttons are subcontrols, i.e. children of the radiobox // for wxWidgets 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?") ); + wxASSERT_MSG( hwnd, wxT("no hwnd for subcontrol?") ); - Add((WXHWND)hwnd); + AddOtherWindow((WXHWND)hwnd); } } #endif // !defined(__WXUNIVERSAL__) } +void wxToolTip::SetRect(const wxRect& rc) +{ + m_rect = rc; + + if ( m_window ) + { + wxToolInfo ti(GetHwndOf(m_window), m_id, m_rect); + (void)SendTooltipMessage(GetToolTipCtrl(), TTM_NEWTOOLRECT, &ti); + } +} + void wxToolTip::SetTip(const wxString& tip) { m_text = tip; + DoForAllWindows(&wxToolTip::DoSetTip); +} + +void wxToolTip::DoSetTip(WXHWND hWnd) +{ + // update the tip text shown by the control + wxToolInfo ti((HWND)hWnd, m_id, m_rect); + + // for some reason, changing the tooltip text directly results in + // repaint of the controls under it, see #10520 -- but this doesn't + // happen if we reset it first + ti.lpszText = const_cast(wxT("")); + (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti); + + ti.lpszText = const_cast(m_text.wx_str()); + (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti); +} + +void wxToolTip::DoForAllWindows(void (wxToolTip::*func)(WXHWND)) +{ if ( m_window ) { - // update the tip text shown by the control - wxToolInfo ti(GetHwndOf(m_window)); - - // for some reason, changing the tooltip text directly results in - // repaint of the controls under it, see #10520 -- but this doesn't - // happen if we reset it first - ti.lpszText = _T(""); - (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti); + (this->*func)(m_window->GetHWND()); + } - ti.lpszText = const_cast(m_text.wx_str()); - (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti); + if ( m_others ) + { + for ( wxToolTipOtherWindows::const_iterator it = m_others->begin(); + it != m_others->end(); + ++it ) + { + (this->*func)(*it); + } } }