fix unused parameter warning

[wxWidgets.git] / src / msw / tooltip.cpp

diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp
index aa5388cf2da747a05e06461d45e62bbf5c5c2d87..dd3fdd076b086d079ee41fa5d05f4ac46d3484b8 100644 (file)
--- a/src/msw/tooltip.cpp
+++ b/src/msw/tooltip.cpp
@@ -31,12 +31,19 @@
     #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"
 
+#ifndef TTTOOLINFO_V1_SIZE
+    #define TTTOOLINFO_V1_SIZE 0x28
+#endif
+
+#ifndef TTF_TRANSPARENT
+    #define TTF_TRANSPARENT 0x0100
+#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.
@@ -79,21 +86,26 @@ public:
         ::ZeroMemory(this, sizeof(TOOLINFO));
 
         // the structure TOOLINFO has been extended with a 4 byte field in
-        // version 4.70 of comctl32.dll and if we compile on a newer machine
-        // but run on one with the old version of comctl32, nothing will work
-        // because the library will detect that we rely on a more recent
-        // version of it. So we always use the old size - if we ever start
-        // using our lParam member, we'd have to check for comctl32 version
-        // during run-time
-#if _WIN32_IE >= 0x0300
-        cbSize = sizeof(TOOLINFO) - sizeof(LPARAM);
-#else // old headers
-        cbSize = sizeof(TOOLINFO);
-#endif // compile-time comctl32.dll version
+        // version 4.70 of comctl32.dll and another one in 5.01 but we don't
+        // use these extended fields so use the old struct size to ensure that
+        // the tooltips work on old (Windows 95) systems too
+        cbSize = TTTOOLINFO_V1_SIZE;
 
         hwnd = hwndOwner;
         uFlags = TTF_IDISHWND;
-        uId = (UINT)hwndOwner;
+
+        // we use TTF_TRANSPARENT to fix a problem which arises at least with
+        // the text controls but may presumably happen with other controls
+        // which display the tooltip at mouse position: it can start flashing
+        // then as the control gets "focus lost" events and dismisses the
+        // tooltip which then reappears because mouse remains hovering over the
+        // control, see SF patch 1821229
+        if ( wxApp::GetComCtl32Version() >= 470 )
+        {
+            uFlags |= TTF_TRANSPARENT;
+        }
+
+        uId = (UINT_PTR)hwndOwner;
     }
 };
 
@@ -191,6 +203,18 @@ void wxToolTip::SetDelay(long milliseconds)
                             TTDT_INITIAL, milliseconds);
 }
 
+void wxToolTip::SetAutoPop(long milliseconds)
+{
+    SendTooltipMessageToAll(ms_hwndTT, TTM_SETDELAYTIME,
+                            TTDT_AUTOPOP, milliseconds);
+}
+
+void wxToolTip::SetReshow(long milliseconds)
+{
+    SendTooltipMessageToAll(ms_hwndTT, TTM_SETDELAYTIME,
+                            TTDT_RESHOW, milliseconds);
+}
+
 // ---------------------------------------------------------------------------
 // implementation helpers
 // ---------------------------------------------------------------------------
@@ -291,7 +315,7 @@ 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.c_str(); // const_cast
+    ti.lpszText = (wxChar *)m_text.wx_str(); // const_cast
 
     if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) )
     {
@@ -339,7 +363,7 @@ void wxToolTip::Add(WXHWND hWnd)
                 while (token.length())
                 {
                     SIZE sz;
-                    if ( !::GetTextExtentPoint32(hdc, token, token.length(), &sz) )
+                    if ( !::GetTextExtentPoint32(hdc, token.wx_str(), token.length(), &sz) )
                     {
                         wxLogLastError(wxT("GetTextExtentPoint32"));
                     }
@@ -350,9 +374,12 @@ void wxToolTip::Add(WXHWND hWnd)
                 }
 
                 // only set a new width if it is bigger than the current setting
-                if (max > SendTooltipMessage(GetToolTipCtrl(), TTM_GETMAXTIPWIDTH, 0))
+                if ( max > SendTooltipMessage(GetToolTipCtrl(),
+                                              TTM_GETMAXTIPWIDTH, 0) )
+                {
                     SendTooltipMessage(GetToolTipCtrl(), TTM_SETMAXTIPWIDTH,
-                                       (void *)max);
+                                       wxUIntToPtr(max));
+                }
             }
             else
 #endif // comctl32.dll >= 4.70
@@ -360,7 +387,7 @@ void wxToolTip::Add(WXHWND hWnd)
                 // 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
+                ti.lpszText = (wxChar *)m_text.wx_str(); // const_cast
 
                 if ( !SendTooltipMessage(GetToolTipCtrl(), TTM_ADDTOOL, &ti) )
                 {
@@ -383,7 +410,7 @@ void wxToolTip::SetWindow(wxWindow *win)
         Add(m_window->GetHWND());
     }
 #if !defined(__WXUNIVERSAL__)
-    // and all of its subcontrols (e.g. radiobuttons in a radiobox) as well
+    // and all of its subcontrols (e.g. radio buttons in a radiobox) as well
     wxControl *control = wxDynamicCast(m_window, wxControl);
     if ( control )
     {
@@ -407,22 +434,6 @@ void wxToolTip::SetWindow(wxWindow *win)
             Add((WXHWND)hwnd);
         }
     }
-
-    // VZ: it's ugly to do it here, but I don't want any major changes right
-    //     now, later we will probably want to have wxWindow::OnGotToolTip() or
-    //     something like this where the derived class can do such things
-    //     itself instead of wxToolTip "knowing" about them all
-    wxComboBox *combo = wxDynamicCast(control, wxComboBox);
-    if ( combo )
-    {
-        WXHWND hwndComboEdit = combo->GetWindowStyle() & wxCB_READONLY
-                                ? combo->GetHWND()
-                                : combo->GetEditHWND();
-        if ( hwndComboEdit )
-        {
-            Add(hwndComboEdit);
-        }
-    }
 #endif // !defined(__WXUNIVERSAL__)
 }
 
@@ -434,7 +445,7 @@ void wxToolTip::SetTip(const wxString& tip)
     {
         // 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, &ti);
     }