#include "wx/wx.h"
#endif
+#if wxUSE_TOOLTIPS
+
#include "wx/tooltip.h"
#include "wx/msw/private.h"
-#include <commctrl.h>
+#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__)
+ #include <commctrl.h>
+#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
::ZeroMemory(this, sizeof(TOOLINFO));
cbSize = sizeof(TOOLINFO);
uFlags = TTF_IDISHWND;
- uId = (UINT)win->GetHWND();
+ uId = (UINT)hwnd;
}
};
+#ifdef __VISUALC__
+ #pragma warning( default : 4097 )
+#endif
// ----------------------------------------------------------------------------
// private functions
: 0;
}
+// send a message to all existing tooltip controls
+static void SendTooltipMessageToAll(WXHWND hwnd,
+ UINT msg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ (void)SendTooltipMessage((WXHWND)hwnd, msg, wParam, (void *)lParam);
+}
+
// ============================================================================
// implementation
// ============================================================================
+#if wxUSE_TTM_WINDOWFROMPOINT
+
// ----------------------------------------------------------------------------
-// "semiglobal" functions - these methods work with the tooltip control which
-// is shared among all the wxToolTips of the same frame
+// window proc for our tooltip control
// ----------------------------------------------------------------------------
-// create the tooltip ctrl for our parent frame if it doesn't exist yet
-WXHWND wxToolTip::GetToolTipCtrl()
+LRESULT APIENTRY wxToolTipWndProc(HWND hwndTT,
+ UINT msg,
+ WPARAM wParam,
+ LPARAM lParam)
{
- wxWindow *parent = m_window;
- while ( parent && !parent->IsKindOf(CLASSINFO(wxFrame)) )
+ if ( msg == TTM_WINDOWFROMPOINT )
{
- parent = parent->GetParent();
- }
-
- wxCHECK_MSG( parent, 0, "can't create tooltip control outside a frame" );
+ LPPOINT ppt = (LPPOINT)lParam;
+ // is the window under control a wxWindow?
+ HWND hwnd = ::WindowFromPoint(*ppt);
- wxFrame *frame = (wxFrame *)parent;
- HWND hwndTT = (HWND)frame->GetToolTipCtrl();
- if ( !hwndTT )
- {
- hwndTT = ::CreateWindow(TOOLTIPS_CLASS,
- (LPSTR)NULL,
- TTS_ALWAYSTIP,
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- (HWND)frame->GetHWND(), (HMENU)NULL,
- wxGetInstance(), NULL);
-
- if ( hwndTT )
+ // return a HWND correspondign to wxWindow because only wxWindows are
+ // associated with tooltips using TTM_ADDTOOL
+ while ( hwnd && !wxFindWinFromHandle((WXHWND)hwnd) )
{
- frame->SetToolTipCtrl((WXHWND)hwndTT);
+ hwnd = ::GetParent(hwnd);
}
- else
+
+ if ( hwnd )
{
- wxLogSysError(_("Can not create tooltip control"));
+ // modify the point too!
+ RECT rect;
+ GetWindowRect(hwnd, &rect);
+
+ ppt->x = rect.left;
+ ppt->y = rect.top;
+
+ return (LRESULT)hwnd;
}
}
- return (WXHWND)hwndTT;
+ return ::CallWindowProc(gs_wndprocToolTip, hwndTT, msg, wParam, lParam);
}
+#endif // wxUSE_TTM_WINDOWFROMPOINT
+
+// ----------------------------------------------------------------------------
+// static functions
+// ----------------------------------------------------------------------------
+
void wxToolTip::Enable(bool flag)
{
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_ACTIVATE, flag, 0);
+ SendTooltipMessageToAll(ms_hwndTT, TTM_ACTIVATE, flag, 0);
}
-void wxToolTip::RelayEvent(WXMSG *msg)
+void wxToolTip::SetDelay(long milliseconds)
{
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, 0, msg);
+ SendTooltipMessageToAll(ms_hwndTT, TTM_SETDELAYTIME,
+ TTDT_INITIAL, milliseconds);
}
-void wxToolTip::SetDelay(long milliseconds)
+// ---------------------------------------------------------------------------
+// implementation helpers
+// ---------------------------------------------------------------------------
+
+// create the tooltip ctrl for our parent frame if it doesn't exist yet
+WXHWND wxToolTip::GetToolTipCtrl()
{
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_SETDELAYTIME,
- TTDT_INITIAL, (void *)milliseconds);
+ if ( !ms_hwndTT )
+ {
+ 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 ms_hwndTT;
+}
+
+void wxToolTip::RelayEvent(WXMSG *msg)
+{
+ (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, 0, msg);
}
// ----------------------------------------------------------------------------
// 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);
+ }
}
}
}
if ( m_window )
{
// update it immediately
- wxToolInfo ti(m_window);
- ti.lpszText = (char *)m_text.c_str();
+ wxToolInfo ti(GetHwndOf(m_window));
+ ti.lpszText = (wxChar *)m_text.c_str();
(void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
}
}
+
+#endif // wxUSE_TOOLTIPS
projects / wxWidgets.git / blobdiff