/////////////////////////////////////////////////////////////////////////////
-// Name: msw/spinctrl.cpp
+// Name: src/msw/spinctrl.cpp
// Purpose: wxSpinCtrl class implementation for Win32
// Author: Vadim Zeitlin
// Modified by:
#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"
+ #include "wx/wxcrtvararg.h"
+#endif
+
#include "wx/msw/private.h"
-#include "wx/msw/wrapcctl.h"
#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
IMPLEMENT_DYNAMIC_CLASS_XTI(wxSpinCtrl, wxControl,"wx/spinbut.h")
wxBEGIN_PROPERTIES_TABLE(wxSpinCtrl)
- wxEVENT_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxSpinEvent )
+ wxEVENT_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxSpinEvent )
wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SPINCTRL_UPDATED , wxCommandEvent )
wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
EVT_CHAR(wxSpinCtrl::OnChar)
-
EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
-
- EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
+ EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
END_EVENT_TABLE()
#define GetBuddyHwnd() (HWND)(m_hwndBuddy)
{
wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData(hwnd);
- // forward some messages (the key and focus ones only so far) to
- // the spin ctrl
+ // forward some messages (mostly the key and focus ones) to the spin ctrl
switch ( message )
{
case WM_SETFOCUS:
case WM_DEADCHAR:
case WM_KEYUP:
case WM_KEYDOWN:
+#ifdef WM_HELP
+ // we need to forward WM_HELP too to ensure that the context help
+ // associated with wxSpinCtrl is shown when the text control part of it
+ // is clicked with the "?" cursor
+ case WM_HELP:
+#endif
spin->MSWWindowProc(message, wParam, lParam);
// The control may have been deleted at this point, so check.
break;
case WM_GETDLGCODE:
- // we want to get WXK_RETURN in order to generate the event for it
- return DLGC_WANTCHARS;
+ if ( spin->HasFlag(wxTE_PROCESS_ENTER) )
+ {
+ long dlgCode = ::CallWindowProc
+ (
+ CASTWNDPROC spin->GetBuddyWndProc(),
+ hwnd,
+ message,
+ wParam,
+ lParam
+ );
+ dlgCode |= DLGC_WANTMESSAGE;
+ return dlgCode;
+ }
+ break;
}
return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
// process a WM_COMMAND generated by the buddy text control
bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
{
- switch (cmd)
+ if ( (cmd == EN_CHANGE) && (!m_blockEvent ))
{
- 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 HandleWindowEvent(event);
}
// not processed
wxString val = wxGetWindowText(m_hwndBuddy);
event.SetString(val);
event.SetInt(GetValue());
- if ( GetEventHandler()->ProcessEvent(event) )
+ if ( HandleWindowEvent(event) )
return;
break;
}
eventNav.SetWindowChange(event.ControlDown());
eventNav.SetEventObject(this);
- if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+ if ( GetParent()->HandleWindowEvent(eventNav) )
return;
}
break;
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)
{
+ m_blockEvent = false;
+
+ // 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)
WXDWORD exStyle = 0;
WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
- // calculate the sizes: the size given is the toal size for both controls
+ // this control is used for numeric entry so normally using these flags by
+ // default shouldn't be a problem, if it is we can always add a style such
+ // as wxSP_NON_NUMERIC later
+ msStyle |= ES_RIGHT | ES_NUMBER;
+
+ // calculate the sizes: the size given is the total size for both controls
// and we need to fit them both in the given width (height is the same)
wxSize sizeText(size), sizeBtn(size);
sizeBtn.x = wxSpinButton::DoGetBestSize().x;
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);
+
if ( !value.empty() )
{
SetValue(value);
+ m_oldValue = (int) wxAtol(value);
+ }
+ else
+ {
+ SetValue(wxString::Format(wxT("%d"), initial));
+ m_oldValue = initial;
}
// do it after finishing with m_hwndBuddy creation to avoid generating
}
}
+void wxSpinCtrl::SetValue(int val)
+{
+ m_blockEvent = true;
+
+ 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).wx_str());
+ }
+
+ m_oldValue = GetValue();
+
+ m_blockEvent = false;
+}
+
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;
}
return true;
}
+bool wxSpinCtrl::Reparent(wxWindowBase *newParent)
+{
+ // Reparenting both the updown control and its buddy does not seem to work:
+ // they continue to be connected somehow, but visually there is no feedback
+ // on the buddy edit control. To avoid this problem, we reparent the buddy
+ // window normally, but we recreate the updown control and reassign its
+ // buddy.
+
+ if ( !wxWindowBase::Reparent(newParent) )
+ return false;
+
+ newParent->GetChildren().DeleteObject(this);
+
+ // preserve the old values
+ const wxSize size = GetSize();
+ int value = GetValue();
+ const wxRect btnRect = wxRectFromRECT(wxGetWindowRect(GetHwnd()));
+
+ // destroy the old spin button
+ UnsubclassWin();
+ if ( !::DestroyWindow(GetHwnd()) )
+ wxLogLastError(wxT("DestroyWindow"));
+
+ // create and initialize the new one
+ if ( !wxSpinButton::Create(GetParent(), GetId(),
+ btnRect.GetPosition(), btnRect.GetSize(),
+ GetWindowStyle(), GetName()) )
+ return false;
+
+ SetValue(value);
+ SetRange(m_min, m_max);
+ SetInitialSize(size);
+
+ // associate it with the buddy control again
+ ::SetParent(GetBuddyHwnd(), GetHwndOf(GetParent()));
+ (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0);
+
+ return true;
+}
+
bool wxSpinCtrl::Enable(bool enable)
{
if ( !wxControl::Enable(enable) )
#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);
+ (void)HandleWindowEvent(event);
- if ( eventSpin.GetSkipped() )
+ m_oldValue = value;
+}
+
+bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
+ WXWORD pos, WXHWND control)
+{
+ wxCHECK_MSG( control, false, wxT("scrolling what?") );
+
+ if ( wParam != SB_THUMBPOSITION )
{
- event.Skip();
+ // probable SB_ENDSCROLL - we don't react to it
+ return false;
}
+
+ int new_value = (short) pos;
+ if (m_oldValue != new_value)
+ SendSpinUpdate( new_value );
+
+ return TRUE;
+}
+
+bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
+{
+ NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam;
+
+ if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control
+ return false;
+
+ *result = 0; // never reject UP and DOWN events
+
+ return TRUE;
}
+
// ----------------------------------------------------------------------------
// size calculations
// ----------------------------------------------------------------------------
*y = ctrlrect.bottom - ctrlrect.top;
}
+void wxSpinCtrl::DoGetClientSize(int *x, int *y) const
+{
+ RECT spinrect = wxGetClientRect(GetHwnd());
+ RECT textrect = wxGetClientRect(GetBuddyHwnd());
+ RECT ctrlrect;
+ UnionRect(&ctrlrect,&textrect, &spinrect);
+
+ if ( x )
+ *x = ctrlrect.right - ctrlrect.left;
+ if ( y )
+ *y = ctrlrect.bottom - ctrlrect.top;
+}
+
void wxSpinCtrl::DoGetPosition(int *x, int *y) const
{
// hack: pretend that our HWND is the text control just for a moment
}
#endif // wxUSE_SPINCTRL
-
projects / wxWidgets.git / blobdiff