WXDWORD exStyle = 0;
WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
+ // Scroll text automatically if there is not enough space to show all of
+ // it, this is better than not allowing to enter more digits at all.
+ msStyle |= ES_AUTOHSCROLL;
+
// propagate text alignment style to text ctrl
if ( style & wxALIGN_RIGHT )
msStyle |= ES_RIGHT;
// associate the text window with the spin button
(void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
- SetValue(initial);
+ // If the initial text value is actually a number, it overrides the
+ // "initial" argument specified later.
+ long initialFromText;
+ if ( value.ToLong(&initialFromText) )
+ initial = initialFromText;
- // Set the range in the native control
+ // Set the range in the native control: notice that we must do it before
+ // calling SetValue() to use the correct validity checks for the initial
+ // value.
SetRange(min, max);
+ SetValue(initial);
- // If necessary, set the textual value. Don't do it if it's the same as the
- // numeric value though.
- if ( value != wxString::Format("%d", initial) )
- {
+ // Also set the text part of the control if it was specified independently
+ // but don't generate an event for this, it would be unexpected.
+ m_blockEvent = true;
+ if ( !value.empty() )
SetValue(value);
- m_oldValue = (int) wxAtol(value);
- }
- else
- {
- m_oldValue = initial;
- }
+ m_blockEvent = false;
return true;
}
gs_spinForTextCtrl.erase(GetBuddyHwnd());
}
+// ----------------------------------------------------------------------------
+// wxSpinCtrl-specific methods
+// ----------------------------------------------------------------------------
+
+int wxSpinCtrl::GetBase() const
+{
+ return ::SendMessage(GetHwnd(), UDM_GETBASE, 0, 0);
+}
+
+bool wxSpinCtrl::SetBase(int base)
+{
+ if ( !::SendMessage(GetHwnd(), UDM_SETBASE, base, 0) )
+ return false;
+
+ // Whether we need to be able enter "x" or not influences whether we should
+ // use ES_NUMBER for the buddy control.
+ UpdateBuddyStyle();
+
+ return true;
+}
+
// ----------------------------------------------------------------------------
// wxTextCtrl-like methods
// ----------------------------------------------------------------------------
wxSpinButton::SetValue(val);
- // normally setting the value of the spin button is enough as it updates
- // its buddy control automatically ...
- if ( wxGetWindowText(m_hwndBuddy).empty() )
+ // Normally setting the value of the spin button is enough as it updates
+ // its buddy control automatically but in a couple of situations it doesn't
+ // do it, for whatever reason, do it explicitly then:
+ const wxString text = wxGetWindowText(m_hwndBuddy);
+
+ // First case is when the text control is empty and the value is 0: the
+ // spin button just leaves it empty in this case, while we want to show 0
+ // in it.
+ if ( text.empty() && !val )
+ {
+ ::SetWindowText(GetBuddyHwnd(), wxT("0"));
+ }
+
+ // Another one is when we're using hexadecimal base but the user input
+ // doesn't start with "0x" -- we prefer to show it to avoid ambiguity
+ // between decimal and hexadecimal.
+ if ( GetBase() == 16 &&
+ (text.length() < 3 || text[0] != '0' ||
+ (text[1] != 'x' && text[1] != 'X')) )
{
- // ... but sometimes it doesn't, notably when the value is 0 and the
- // text control is currently empty, the spin button seems to be happy
- // to leave it like this, while we really want to always show the
- // current value in the control, so do it manually
::SetWindowText(GetBuddyHwnd(),
- wxString::Format(wxT("%d"), val).wx_str());
+ wxPrivate::wxSpinCtrlFormatAsHex(val, m_max).t_str());
}
m_oldValue = GetValue();
int wxSpinCtrl::GetValue() const
{
- wxString val = wxGetWindowText(m_hwndBuddy);
+ const wxString val = wxGetWindowText(m_hwndBuddy);
long n;
- if ( (wxSscanf(val, wxT("%ld"), &n) != 1) )
+ if ( !val.ToLong(&n, GetBase()) )
n = INT_MIN;
if ( n < m_min )
void wxSpinCtrl::SetRange(int minVal, int maxVal)
{
+ // Manually adjust the old value to avoid an event being sent from
+ // NormalizeValue() called from inside the base class SetRange() as we're
+ // not supposed to generate any events from here.
+ if ( m_oldValue < minVal )
+ m_oldValue = minVal;
+ else if ( m_oldValue > maxVal )
+ m_oldValue = maxVal;
+
wxSpinButton::SetRange(minVal, maxVal);
+ UpdateBuddyStyle();
+}
+
+void wxSpinCtrl::UpdateBuddyStyle()
+{
// this control is used for numeric entry so restrict the input to numeric
// keys only -- but only if we don't need to be able to enter "-" in it as
- // otherwise this would become impossible
+ // otherwise this would become impossible and also if we don't use
+ // hexadecimal as entering "x" of the "0x" prefix wouldn't be allowed
+ // neither then
const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE);
DWORD styleNew;
- if ( minVal < 0 )
+ if ( m_min < 0 || GetBase() != 10 )
styleNew = styleOld & ~ES_NUMBER;
else
styleNew = styleOld | ES_NUMBER;
}
bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
- WXWORD pos, WXHWND control)
+ WXWORD WXUNUSED(pos), WXHWND control)
{
wxCHECK_MSG( control, false, wxT("scrolling what?") );
return false;
}
- int new_value = (short) pos;
+ // Notice that we can't use "pos" from WM_VSCROLL as it is 16 bit and we
+ // might be using 32 bit range.
+ int new_value = GetValue();
if (m_oldValue != new_value)
SendSpinUpdate( new_value );
- return TRUE;
+ return true;
}
bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
// ----------------------------------------------------------------------------
wxSize wxSpinCtrl::DoGetBestSize() const
+{
+ return DoGetSizeFromTextSize(DEFAULT_ITEM_WIDTH);
+}
+
+wxSize wxSpinCtrl::DoGetSizeFromTextSize(int xlen, int ylen) const
{
wxSize sizeBtn = wxSpinButton::DoGetBestSize();
- sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
int y;
wxGetCharSize(GetHWND(), NULL, &y, GetFont());
- y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y);
-
// JACS: we should always use the height calculated
// from above, because otherwise we'll get a spin control
// that's too big. So never use the height calculated
// from wxSpinButton::DoGetBestSize().
- // if ( sizeBtn.y < y )
- {
- // make the text tall enough
- sizeBtn.y = y;
- }
+ wxSize tsize(xlen + sizeBtn.x + MARGIN_BETWEEN + 0.3 * y + 10,
+ EDIT_HEIGHT_FROM_CHAR_HEIGHT(y));
+
+ // Check if the user requested a non-standard height.
+ if ( ylen > 0 )
+ tsize.IncBy(0, ylen - y);
- return sizeBtn;
+ return tsize;
}
void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
projects / wxWidgets.git / blobdiff