///////////////////////////////////////////////////////////////////////////////
-// Name: msw/tooltip.cpp
+// Name: src/msw/tooltip.cpp
// Purpose: wxToolTip class implementation for MSW
// Author: Vadim Zeitlin
// Modified by:
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/wx.h"
-#endif
-
#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
-#include "wx/msw/private.h"
-// include <commctrl.h> "properly"
-#include "wx/msw/wrapcctl.h"
+#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+ #include "wx/app.h"
+ #include "wx/control.h"
+ #include "wx/combobox.h"
+#endif
+
+#include "wx/tokenzr.h"
+#include "wx/msw/private.h"
// VZ: normally, the trick with subclassing the tooltip control and processing
// TTM_WINDOWFROMPOINT should work but, somehow, it doesn't. I leave the
// 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: ");
// ---------------------------------------------------------------------------
// create the tooltip ctrl for our parent frame if it doesn't exist yet
+/* static */
WXHWND wxToolTip::GetToolTipCtrl()
{
if ( !ms_hwndTT )
{
- ms_hwndTT = (WXHWND)::CreateWindow(TOOLTIPS_CLASS,
- (LPCTSTR)NULL,
- TTS_ALWAYSTIP,
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- NULL, (HMENU)NULL,
- wxGetInstance(),
- NULL);
+ WXDWORD exflags = 0;
+ if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+ {
+ exflags |= WS_EX_LAYOUTRTL;
+ }
+
+ // 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)::CreateWindowEx(exflags,
+ TOOLTIPS_CLASS,
+ (LPCTSTR)NULL,
+ TTS_ALWAYSTIP | TTS_NOPREFIX,
+ CW_USEDEFAULT, CW_USEDEFAULT,
+ CW_USEDEFAULT, CW_USEDEFAULT,
+ NULL, (HMENU)NULL,
+ wxGetInstance(),
+ NULL);
if ( ms_hwndTT )
{
HWND hwnd = (HWND)ms_hwndTT;
return ms_hwndTT;
}
+/* static */
void wxToolTip::RelayEvent(WXMSG *msg)
{
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, 0, msg);
+ (void)SendTooltipMessage(GetToolTipCtrl(), TTM_RELAYEVENT, msg);
}
// ----------------------------------------------------------------------------
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());
}
}
// NMTTDISPINFO struct -- and setting the tooltip here we can have tooltips
// of any length
ti.hwnd = hwnd;
- ti.lpszText = (wxChar *)m_text.c_str(); // const_cast
+ ti.lpszText = (wxChar *)m_text.wx_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());
}
{
// 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);
wxLogLastError(wxT("SelectObject(hfont)"));
}
- SIZE sz;
- if ( !GetTextExtentPoint(hdc, m_text, index, &sz) )
+ // find the width of the widest line
+ int max = 0;
+ wxStringTokenizer tokenizer(m_text, _T("\n"));
+ wxString token = tokenizer.GetNextToken();
+ while (token.length())
{
- wxLogLastError(wxT("GetTextExtentPoint"));
+ SIZE sz;
+ if ( !::GetTextExtentPoint32(hdc, token, token.length(), &sz) )
+ {
+ wxLogLastError(wxT("GetTextExtentPoint32"));
+ }
+ if ( sz.cx > max )
+ max = sz.cx;
+
+ token = tokenizer.GetNextToken();
}
- SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
- 0, (void *)sz.cx);
+ // only set a new width if it is bigger than the current setting
+ if (max > SendTooltipMessage(GetToolTipCtrl(), TTM_GETMAXTIPWIDTH, 0))
+ SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
+ (void *)max);
}
+ 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.wx_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());
+ }
+ }
}
}
}
{
// update the tip text shown by the control
wxToolInfo ti(GetHwndOf(m_window));
- ti.lpszText = (wxChar *)m_text.c_str();
+ ti.lpszText = (wxChar *)m_text.wx_str();
- (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
+ (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti);
}
}
projects / wxWidgets.git / blobdiff