Fix crash in wxDC::GetMultiLineTextExtent() after last commit.

[wxWidgets.git] / src / motif / radiobut.cpp

diff --git a/src/motif/radiobut.cpp b/src/motif/radiobut.cpp
index 31c7504715a99fd02ceb2587383fa747c953f38d..d6832a3f6df942ca99731bb237740045cf506b28 100644 (file)
--- a/src/motif/radiobut.cpp
+++ b/src/motif/radiobut.cpp
@@ -1,68 +1,227 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        radiobut.cpp
+// Name:        src/motif/radiobut.cpp

 // Purpose:     wxRadioButton
 // Author:      Julian Smart
 // Modified by:
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Purpose:     wxRadioButton
 // Author:      Julian Smart
 // Modified by:
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "radiobut.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/radiobut.h"
 
 
 #include "wx/radiobut.h"
 

-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+#endif
+
+#ifdef __VMS__
+#pragma message disable nosimpint

 #endif
 #endif

+#include <Xm/ToggleB.h>
+#include <Xm/ToggleBG.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
+
+#include "wx/motif/private.h"
+
+void wxRadioButtonCallback (Widget w, XtPointer clientData,
+                            XmToggleButtonCallbackStruct * cbs);
+
+wxRadioButton::wxRadioButton()
+{
+}

 
 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
 
 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,

-                  const wxString& label,
-           const wxPoint& pos,
-           const wxSize& size, long style,
-           const wxValidator& validator,
-           const wxString& name)
+                           const wxString& label,
+                           const wxPoint& pos,
+                           const wxSize& size, long style,
+                           const wxValidator& validator,
+                           const wxString& name)

 {
 {

-    SetName(name);
-    SetValidator(validator);
+    if( !CreateControl( parent, id, pos, size, style, validator, name ) )
+        return false;
+    PreCreation();

 
 

-    if (parent) parent->AddChild(this);
+    Widget parentWidget = (Widget) parent->GetClientWidget();
+    Display* dpy = XtDisplay(parentWidget);

 
 

-    if ( id == -1 )
-           m_windowId = (int)NewControlId();
-    else
-           m_windowId = id;
+    wxString label1(GetLabelText(label));

 
 

-    m_windowStyle = style ;
+    wxXmString text( label1 );

 
 

-    // TODO create radiobutton
-    return FALSE;
-}
+    Widget radioButtonWidget = XtVaCreateManagedWidget ("toggle",
+#if wxUSE_GADGETS
+        xmToggleButtonGadgetClass, parentWidget,
+#else
+        xmToggleButtonWidgetClass, parentWidget,
+#endif
+        wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
+        XmNlabelString, text(),
+        XmNfillOnSelect, True,
+        XmNindicatorType, XmONE_OF_MANY, // diamond-shape
+        NULL);

 
 

-void wxRadioButton::SetLabel(const wxString& label)
-{
-    // TODO
+    XtAddCallback (radioButtonWidget,
+                   XmNvalueChangedCallback,
+                   (XtCallbackProc)wxRadioButtonCallback,
+                   (XtPointer)this);
+
+    m_mainWidget = (WXWidget) radioButtonWidget;
+
+    XtManageChild (radioButtonWidget);
+
+    PostCreation();
+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+                  pos.x, pos.y, size.x, size.y);
+
+    //copied from mac/radiobut.cpp (from here till "return true;")
+    m_cycle = this ;
+
+    if (HasFlag(wxRB_GROUP))
+    {
+        AddInCycle( NULL ) ;
+    }
+    else
+    {
+        /* search backward for last group start */
+        wxRadioButton *chief = NULL;
+        wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
+        while (node)
+        {
+            wxWindow *child = node->GetData();
+            if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) )
+            {
+                chief = (wxRadioButton*) child;
+                if (child->HasFlag(wxRB_GROUP)) break;
+            }
+            node = node->GetPrevious();
+        }
+        AddInCycle( chief ) ;
+    }
+    return true;

 }
 
 void wxRadioButton::SetValue(bool value)
 {
 }
 
 void wxRadioButton::SetValue(bool value)
 {

-    // TODO
+    if (GetValue() == value)
+        return;
+
+    m_inSetValue = true;
+    XmToggleButtonSetState ((Widget) m_mainWidget, (Boolean) value, False);
+    m_inSetValue = false;
+
+    ClearSelections();

 }
 
 // Get single selection, for single choice list items
 bool wxRadioButton::GetValue() const
 {
 }
 
 // Get single selection, for single choice list items
 bool wxRadioButton::GetValue() const
 {

-    // TODO
-    return FALSE;
+    return (XmToggleButtonGetState ((Widget) m_mainWidget) != 0);

 }
 
 void wxRadioButton::Command (wxCommandEvent & event)
 {
 }
 
 void wxRadioButton::Command (wxCommandEvent & event)
 {

-  SetValue ( (event.m_commandInt != 0) );
-  ProcessCommand (event);
+    SetValue ( (event.GetInt() != 0) );
+    ProcessCommand (event);

 }
 
 }
 

+void wxRadioButton::ChangeBackgroundColour()
+{
+    wxWindow::ChangeBackgroundColour();
+
+    // What colour should this be?
+    wxColour colour = *wxBLACK;
+    WXPixel selectPixel = colour.AllocColour(XtDisplay((Widget)m_mainWidget));

 
 

+    XtVaSetValues ((Widget) GetMainWidget(),
+          XmNselectColor, selectPixel,
+          NULL);
+}
+
+void wxRadioButtonCallback (Widget WXUNUSED(w), XtPointer clientData,
+                            XmToggleButtonCallbackStruct * cbs)
+{
+    if (!cbs->set)
+        return;
+
+    wxRadioButton *item = (wxRadioButton *) clientData;
+    if (item->InSetValue())
+        return;
+
+    //based on mac/radiobut.cpp
+    wxRadioButton* old = item->ClearSelections();
+    item->SetValue(true);
+
+    if ( old )
+    {
+        wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED,
+                             old->GetId() );
+        event.SetEventObject(old);
+        event.SetInt( false );
+        old->ProcessCommand(event);
+    }
+    wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, item->GetId() );
+    event2.SetEventObject(item);
+    event2.SetInt( true );
+    item->ProcessCommand(event2);
+}
+
+wxRadioButton* wxRadioButton::AddInCycle(wxRadioButton *cycle)
+{
+    if (cycle == NULL)
+    {
+        m_cycle = this;
+    }
+    else
+    {
+        wxRadioButton* current = cycle;
+        while ( current->m_cycle != cycle )
+            current = current->m_cycle;
+        m_cycle = cycle;
+        current->m_cycle = this;
+    }
+
+    return cycle;
+}
+
+wxRadioButton* wxRadioButton::ClearSelections()
+{
+    wxRadioButton* cycle = NextInCycle();
+    wxRadioButton* old = 0;
+
+    if (cycle)
+    {
+        while (cycle != this)
+        {
+            if ( cycle->GetValue() )
+            {
+                old = cycle;
+                cycle->SetValue(false);
+            }
+            cycle = cycle->NextInCycle();
+        }
+    }
+
+    return old;
+}
+
+void wxRadioButton::RemoveFromCycle()
+{
+    wxRadioButton* curr = NextInCycle();
+
+    while( curr )
+    {
+        if( curr->NextInCycle() == this )
+        {
+            curr->m_cycle = this->m_cycle;
+            return;
+        }
+
+        curr = curr->NextInCycle();
+    }
+}