/////////////////////////////////////////////////////////////////////////////
-// Name: msw/spinctrl.cpp
+// Name: src/msw/spinctrl.cpp
// Purpose: wxSpinCtrl class implementation for Win32
// Author: Vadim Zeitlin
// Modified by:
// declarations
// ============================================================================
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "spinctrlbase.h"
- #pragma implementation "spinctrl.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#pragma hdrstop
#endif
-#ifndef WX_PRECOMP
- #include "wx/wx.h"
-#endif
-
#if wxUSE_SPINCTRL
#include "wx/spinctrl.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+ #include "wx/event.h"
+ #include "wx/textctrl.h"
+#endif
+
#include "wx/msw/private.h"
-#include "wx/msw/wrapcctl.h"
#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
EVT_CHAR(wxSpinCtrl::OnChar)
EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
-
+ EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
END_EVENT_TABLE()
// process a WM_COMMAND generated by the buddy text control
bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
{
- switch (cmd)
+ if ( cmd == EN_CHANGE )
{
- case EN_CHANGE:
- {
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
- event.SetEventObject(this);
- wxString val = wxGetWindowText(m_hwndBuddy);
- event.SetString(val);
- event.SetInt(GetValue());
- return GetEventHandler()->ProcessEvent(event);
- }
- case EN_SETFOCUS:
- case EN_KILLFOCUS:
- {
- wxFocusEvent event(cmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
- : wxEVT_SET_FOCUS,
- m_windowId);
- event.SetEventObject( this );
- return GetEventHandler()->ProcessEvent(event);
- }
- default:
- break;
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+ event.SetEventObject(this);
+ wxString val = wxGetWindowText(m_hwndBuddy);
+ event.SetString(val);
+ event.SetInt(GetValue());
+ return GetEventHandler()->ProcessEvent(event);
}
// not processed
event.Skip();
}
+void wxSpinCtrl::OnKillFocus(wxFocusEvent& event)
+{
+ // ensure that a correct value is shown by the control
+ NormalizeValue();
+ event.Skip();
+}
+
void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
{
// when we get focus, give it to our buddy window as it needs it more than
event.Skip();
}
+void wxSpinCtrl::NormalizeValue()
+{
+ const int value = GetValue();
+ const bool changed = value != m_oldValue;
+
+ // notice that we have to call SetValue() even if the value didn't change
+ // because otherwise we could be left with empty buddy control when value
+ // is 0, see comment in SetValue()
+ SetValue(value);
+
+ if ( changed )
+ {
+ SendSpinUpdate(value);
+ }
+}
+
// ----------------------------------------------------------------------------
// construction
// ----------------------------------------------------------------------------
int min, int max, int initial,
const wxString& name)
{
+ // this should be in ctor/init function but I don't want to add one to 2.8
+ // to avoid problems with default ctor which can be inlined in the user
+ // code and so might not get this fix without recompilation
+ m_oldValue = INT_MIN;
+
// before using DoGetBestSize(), have to set style to let the base class
// know whether this is a horizontal or vertical control (we're always
// vertical)
return false;
}
- SetRange(min, max);
- SetValue(initial);
+ wxSpinButtonBase::SetRange(min, max);
// subclass the text ctrl to be able to intercept some events
wxSetWindowUserData(GetBuddyHwnd(), this);
sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
}
- SetBestSize(size);
+ SetInitialSize(size);
(void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
// associate the text window with the spin button
(void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
+ SetValue(initial);
+
+ // Set the range in the native control
+ SetRange(min, max);
+
+ // Send the initial event
+ SendSpinUpdate(initial);
+
if ( !value.empty() )
{
SetValue(value);
}
}
+void wxSpinCtrl::SetValue(int val)
+{
+ 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() )
+ {
+ // ... 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(_T("%d"), val));
+ }
+
+ m_oldValue = GetValue();
+}
+
int wxSpinCtrl::GetValue() const
{
wxString val = wxGetWindowText(m_hwndBuddy);
long n;
- if ( (wxSscanf(val, wxT("%lu"), &n) != 1) )
+ if ( (wxSscanf(val, wxT("%ld"), &n) != 1) )
n = INT_MIN;
- if (n < m_min) n = m_min;
- if (n > m_max) n = m_max;
+ if ( n < m_min )
+ n = m_min;
+ if ( n > m_max )
+ n = m_max;
return n;
}
#endif // wxUSE_TOOLTIPS
// ----------------------------------------------------------------------------
-// event processing
+// events processing and generation
// ----------------------------------------------------------------------------
-void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+void wxSpinCtrl::SendSpinUpdate(int value)
{
wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
event.SetEventObject(this);
- event.SetInt(eventSpin.GetPosition());
+ event.SetInt(value);
(void)GetEventHandler()->ProcessEvent(event);
- if ( eventSpin.GetSkipped() )
+ m_oldValue = value;
+}
+
+void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+{
+ const int value = eventSpin.GetPosition();
+ if ( value != m_oldValue )
{
- event.Skip();
+ SendSpinUpdate(value);
}
}
}
#endif // wxUSE_SPINCTRL
-
projects / wxWidgets.git / blobdiff