Fixed tab removal bug, and empty text element

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

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 80d15e665b62ac9770a796385deadfde525da2ab..80416bf320b5aca9ab71f847d8b65aeaa201664f 100644 (file)
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -32,6 +32,7 @@
     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
     #include "wx/event.h"
     #include "wx/textctrl.h"
     #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"
 #endif
 
 #include "wx/msw/private.h"


@@ -87,7 +88,7 @@ wxEND_FLAGS( wxSpinCtrlStyle )
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxSpinCtrl, wxControl,"wx/spinbut.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxSpinCtrl)
 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 )
     wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SPINCTRL_UPDATED , wxCommandEvent )
     wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
     wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )


@@ -111,13 +112,10 @@ wxCONSTRUCTOR_6( wxSpinCtrl , wxWindow* , Parent , wxWindowID , Id , wxString ,
 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
 #endif
 
 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
 #endif
 

-//pmg EVT_KILL_FOCUS

 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
     EVT_CHAR(wxSpinCtrl::OnChar)
 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
     EVT_CHAR(wxSpinCtrl::OnChar)

-

     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
     EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
     EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)

-    EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)

 END_EVENT_TABLE()
 
 #define GetBuddyHwnd()      (HWND)(m_hwndBuddy)
 END_EVENT_TABLE()
 
 #define GetBuddyHwnd()      (HWND)(m_hwndBuddy)


@@ -148,8 +146,7 @@ LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
 {
     wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData(hwnd);
 
 {
     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:
     switch ( message )
     {
         case WM_SETFOCUS:


@@ -164,6 +161,12 @@ LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
         case WM_DEADCHAR:
         case WM_KEYUP:
         case WM_KEYDOWN:
         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.
             spin->MSWWindowProc(message, wParam, lParam);
 
             // The control may have been deleted at this point, so check.


@@ -172,8 +175,20 @@ LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
             break;
 
         case WM_GETDLGCODE:
             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(),
     }
 
     return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),


@@ -192,7 +207,7 @@ wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 
     // sanity check
     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
 
     // sanity check
     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,

-                  _T("wxSpinCtrl has incorrect buddy HWND!") );
+                  wxT("wxSpinCtrl has incorrect buddy HWND!") );

 
     return spin;
 }
 
     return spin;
 }


@@ -200,14 +215,14 @@ wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 // process a WM_COMMAND generated by the buddy text control
 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 {
 // process a WM_COMMAND generated by the buddy text control
 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 {

-    if ( cmd == EN_CHANGE )
+    if ( (cmd == EN_CHANGE) && (!m_blockEvent ))

     {
         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
         event.SetEventObject(this);
         wxString val = wxGetWindowText(m_hwndBuddy);
         event.SetString(val);
         event.SetInt(GetValue());
     {
         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);
+        return HandleWindowEvent(event);

     }
 
     // not processed
     }
 
     // not processed


@@ -225,7 +240,7 @@ void wxSpinCtrl::OnChar(wxKeyEvent& event)
                 wxString val = wxGetWindowText(m_hwndBuddy);
                 event.SetString(val);
                 event.SetInt(GetValue());
                 wxString val = wxGetWindowText(m_hwndBuddy);
                 event.SetString(val);
                 event.SetInt(GetValue());

-                if ( GetEventHandler()->ProcessEvent(event) )
+                if ( HandleWindowEvent(event) )

                     return;
                 break;
             }
                     return;
                 break;
             }


@@ -241,7 +256,7 @@ void wxSpinCtrl::OnChar(wxKeyEvent& event)
                 eventNav.SetWindowChange(event.ControlDown());
                 eventNav.SetEventObject(this);
 
                 eventNav.SetWindowChange(event.ControlDown());
                 eventNav.SetEventObject(this);
 

-                if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+                if ( GetParent()->HandleWindowEvent(eventNav) )

                     return;
             }
             break;
                     return;
             }
             break;


@@ -269,15 +284,17 @@ void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 
 void wxSpinCtrl::NormalizeValue()
 {
 
 void wxSpinCtrl::NormalizeValue()
 {

-    int value = GetValue();
-    SetValue( value );
-    if (value != m_oldValue)
+    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 )

     {
     {

-        wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, GetId() );
-        event.SetEventObject( this );
-        event.SetInt( value );
-        GetEventHandler()->ProcessEvent( event );
-        m_oldValue = value;
+        SendSpinUpdate(value);

     }
 }
 
     }
 }
 


@@ -294,6 +311,13 @@ bool wxSpinCtrl::Create(wxWindow *parent,
                         int min, int max, int initial,
                         const wxString& name)
 {
                         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)
     // 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)


@@ -311,7 +335,13 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     WXDWORD exStyle = 0;
     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 
     WXDWORD exStyle = 0;
     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 

-    // calculate the sizes: the size given is the toal size for both controls
+    // propagate text alignment style to text ctrl
+    if ( style & wxALIGN_RIGHT )
+        msStyle |= ES_RIGHT;
+    else if ( style & wxALIGN_CENTER )
+        msStyle |= ES_CENTER;
+
+    // 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;
     // 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;


@@ -324,7 +354,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
     if ( sizeText.x <= 0 )
     {
     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
     if ( sizeText.x <= 0 )
     {

-        wxLogDebug(_T("not enough space for wxSpinCtrl!"));
+        wxLogDebug(wxT("not enough space for wxSpinCtrl!"));

     }
 
     wxPoint posBtn(pos);
     }
 
     wxPoint posBtn(pos);


@@ -341,7 +371,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     m_hwndBuddy = (WXHWND)::CreateWindowEx
                     (
                      exStyle,                // sunken border
     m_hwndBuddy = (WXHWND)::CreateWindowEx
                     (
                      exStyle,                // sunken border

-                     _T("EDIT"),             // window class
+                     wxT("EDIT"),             // window class

                      NULL,                   // no window title
                      msStyle,                // style (will be shown later)
                      pos.x, pos.y,           // position
                      NULL,                   // no window title
                      msStyle,                // style (will be shown later)
                      pos.x, pos.y,           // position


@@ -366,10 +396,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         return false;
     }
 
         return false;
     }
 

-    SetRange(min, max);
-    SetValue(initial);
-    
-    m_oldValue = initial;
+    wxSpinButtonBase::SetRange(min, max);

 
     // subclass the text ctrl to be able to intercept some events
     wxSetWindowUserData(GetBuddyHwnd(), this);
 
     // subclass the text ctrl to be able to intercept some events
     wxSetWindowUserData(GetBuddyHwnd(), this);


@@ -398,9 +425,20 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     // associate the text window with the spin button
     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 
     // 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);
     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
     }
 
     // do it after finishing with m_hwndBuddy creation to avoid generating


@@ -437,6 +475,8 @@ void wxSpinCtrl::SetValue(const wxString& text)
 
 void  wxSpinCtrl::SetValue(int val)
 {
 
 void  wxSpinCtrl::SetValue(int val)
 {

+    m_blockEvent = true;
+

     wxSpinButton::SetValue(val);
 
     // normally setting the value of the spin button is enough as it updates
     wxSpinButton::SetValue(val);
 
     // normally setting the value of the spin button is enough as it updates


@@ -447,10 +487,13 @@ void  wxSpinCtrl::SetValue(int val)
         // 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
         // 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));
+        ::SetWindowText(GetBuddyHwnd(),
+                        wxString::Format(wxT("%d"), val).wx_str());

     }
     }

-    
+

     m_oldValue = GetValue();
     m_oldValue = GetValue();

+
+    m_blockEvent = false;

 }
 
 int wxSpinCtrl::GetValue() const
 }
 
 int wxSpinCtrl::GetValue() const


@@ -481,6 +524,28 @@ void wxSpinCtrl::SetSelection(long from, long to)
     ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
 }
 
     ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
 }
 

+// ----------------------------------------------------------------------------
+// wxSpinButton methods
+// ----------------------------------------------------------------------------
+
+void wxSpinCtrl::SetRange(int minVal, int maxVal)
+{
+    wxSpinButton::SetRange(minVal, maxVal);
+
+    // 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
+    const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE);
+    DWORD styleNew;
+    if ( minVal < 0 )
+        styleNew = styleOld & ~ES_NUMBER;
+    else
+        styleNew = styleOld | ES_NUMBER;
+
+    if ( styleNew != styleOld )
+        ::SetWindowLong(GetBuddyHwnd(), GWL_STYLE, styleNew);
+}
+

 // ----------------------------------------------------------------------------
 // forward some methods to subcontrols
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // forward some methods to subcontrols
 // ----------------------------------------------------------------------------


@@ -511,6 +576,48 @@ bool wxSpinCtrl::Show(bool show)
     return true;
 }
 
     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) )
 bool wxSpinCtrl::Enable(bool enable)
 {
     if ( !wxControl::Enable(enable) )


@@ -541,27 +648,51 @@ void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
 #endif // wxUSE_TOOLTIPS
 
 // ----------------------------------------------------------------------------
 #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);
 {
     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
     event.SetEventObject(this);

-    int value = eventSpin.GetPosition();
-    event.SetInt( value );
-    
-    if (value != m_oldValue)
-        (void)GetEventHandler()->ProcessEvent(event);
+    event.SetInt(value);

 
 

-    if ( eventSpin.GetSkipped() )
+    (void)HandleWindowEvent(event);
+
+    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;

     }
     }

-    
-    m_oldValue = value;
+
+    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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // size calculations
 // ----------------------------------------------------------------------------


@@ -595,7 +726,7 @@ void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
     int widthText = width - widthBtn - MARGIN_BETWEEN;
     if ( widthText <= 0 )
     {
     int widthText = width - widthBtn - MARGIN_BETWEEN;
     if ( widthText <= 0 )
     {

-        wxLogDebug(_T("not enough space for wxSpinCtrl!"));
+        wxLogDebug(wxT("not enough space for wxSpinCtrl!"));

     }
 
     // 1) The buddy window
     }
 
     // 1) The buddy window


@@ -620,6 +751,19 @@ void wxSpinCtrl::DoGetSize(int *x, int *y) const
         *y = ctrlrect.bottom - ctrlrect.top;
 }
 
         *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
 void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 {
     // hack: pretend that our HWND is the text control just for a moment