// Created: 31.01.99
// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
#include "wx/tooltip.h"
#include "wx/msw/private.h"
-#if defined(__WIN95__) && (!defined(__GNUWIN32_OLD__) || defined(__MINGW32__))
- #include <commctrl.h>
-#endif
-
-#ifndef _WIN32_IE
- // minimal set of features by default
- #define _WIN32_IE 0x0200
-#endif
+// include <commctrl.h> "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
class wxToolInfo : public TOOLINFO
{
public:
- wxToolInfo(HWND hwnd)
+ wxToolInfo(HWND hwndOwner)
{
// initialize all members
::ZeroMemory(this, sizeof(TOOLINFO));
cbSize = sizeof(TOOLINFO);
#endif // compile-time comctl32.dll version
+ hwnd = hwndOwner;
uFlags = TTF_IDISHWND;
- uId = (UINT)hwnd;
+ uId = (UINT)hwndOwner;
}
};
// private functions
// ----------------------------------------------------------------------------
-// send a message to the tooltip control
-inline LRESULT SendTooltipMessage(WXHWND hwnd,
- UINT msg,
- WPARAM wParam,
- void *lParam)
+// send a message to the tooltip control if it exists
+//
+// NB: wParam is always 0 for the TTM_XXX messages we use
+static inline LRESULT SendTooltipMessage(WXHWND hwnd, UINT msg, void *lParam)
{
- return hwnd ? ::SendMessage((HWND)hwnd, msg, wParam, (LPARAM)lParam)
- : 0;
+ return hwnd ? ::SendMessage((HWND)hwnd, msg, 0, (LPARAM)lParam) : 0;
}
// send a message to all existing tooltip controls
-static void SendTooltipMessageToAll(WXHWND hwnd,
- UINT msg,
- WPARAM wParam,
- LPARAM lParam)
+static inline void
+SendTooltipMessageToAll(WXHWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
- (void)SendTooltipMessage((WXHWND)hwnd, msg, wParam, (void *)lParam);
+ if ( hwnd )
+ ::SendMessage((HWND)hwnd, msg, wParam, lParam);
}
// ============================================================================
{
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);
// ---------------------------------------------------------------------------
// create the tooltip ctrl for our parent frame if it doesn't exist yet
+/* static */
WXHWND wxToolTip::GetToolTipCtrl()
{
if ( !ms_hwndTT )
{
+ // we want to show the tooltips always (even when the window is not
+ // active) and we don't want to strip "&"s from them
ms_hwndTT = (WXHWND)::CreateWindow(TOOLTIPS_CLASS,
(LPCTSTR)NULL,
- TTS_ALWAYSTIP,
+ TTS_ALWAYSTIP | TTS_NOPREFIX,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, (HMENU)NULL,
#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
}
}
return ms_hwndTT;
}
+/* static */
void wxToolTip::RelayEvent(WXMSG *msg)
{
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, 0, msg);
+ (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, msg);
}
// ----------------------------------------------------------------------------
// ctor & dtor
// ----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
+
wxToolTip::wxToolTip(const wxString &tip)
: m_text(tip)
{
wxToolTip::~wxToolTip()
{
- // there is no need to Remove() this tool - it will be done automatically
- // anyhow
+ // 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();
}
// ----------------------------------------------------------------------------
// others
// ----------------------------------------------------------------------------
+void wxToolTip::Remove(WXHWND hWnd)
+{
+ wxToolInfo ti((HWND)hWnd);
+ (void)SendTooltipMessage(GetToolTipCtrl(), TTM_DELTOOL, &ti);
+}
+
void wxToolTip::Remove()
{
// remove this tool from the tooltip control
if ( m_window )
{
- wxToolInfo ti(GetHwndOf(m_window));
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_DELTOOL, 0, &ti);
+ Remove(m_window->GetHWND());
}
}
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) )
+ if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) )
{
wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
}
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,
- 0, 0);
+ HFONT hfont = (HFONT)
+ SendTooltipMessage(GetToolTipCtrl(), WM_GETFONT, 0);
+
if ( !hfont )
{
hfont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
}
}
- HDC hdc = CreateCompatibleDC(NULL);
+ MemoryHDC hdc;
if ( !hdc )
{
wxLogLastError(wxT("CreateCompatibleDC(NULL)"));
}
SIZE sz;
- if ( !GetTextExtentPoint(hdc, m_text, index, &sz) )
+ if ( !::GetTextExtentPoint32(hdc, m_text, index, &sz) )
{
- wxLogLastError(wxT("GetTextExtentPoint"));
+ wxLogLastError(wxT("GetTextExtentPoint32"));
}
- DeleteDC(hdc);
-
SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
- 0, (void *)sz.cx);
+ (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, &ti) )
+ {
+ wxLogDebug(_T("Failed to create the tooltip '%s'"), m_text.c_str());
+ }
+ }
}
}
}
{
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 )
{
// 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);
}
wxComboBox *combo = wxDynamicCast(control, wxComboBox);
if ( combo )
{
- WXHWND hwndComboEdit = combo->GetEditHWND();
+ WXHWND hwndComboEdit = combo->GetWindowStyle() & wxCB_READONLY
+ ? combo->GetHWND()
+ : combo->GetEditHWND();
if ( hwndComboEdit )
{
Add(hwndComboEdit);
}
- //else: it's ok for a combo to be read only, of course
}
+#endif // !defined(__WXUNIVERSAL__)
}
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();
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
+ (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti);
}
}
projects / wxWidgets.git / blobdiff