X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f97c985452b20a8c2f0bbfb1d0275298bf09fb45..19e30148e18cc99296b26503c155e5cef59045f4:/src/motif/choice.cpp?ds=inline

diff --git a/src/motif/choice.cpp b/src/motif/choice.cpp
index 7012c75c0f..9cfe04c8d1 100644
--- a/src/motif/choice.cpp
+++ b/src/motif/choice.cpp
@@ -13,23 +13,33 @@
 #pragma implementation "choice.h"
 #endif
 
-// For compilers that support precompilation, includes "wx.h".
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#define XtParent XTPARENT
+#endif
+
+#include "wx/defs.h"
+
 #include "wx/choice.h"
 #include "wx/utils.h"
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #include <Xm/Xm.h>
 #include <Xm/PushBG.h>
 #include <Xm/PushB.h>
 #include <Xm/RowColumn.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
 
 #include "wx/motif/private.h"
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
-#endif
 
 void wxChoiceCallback (Widget w, XtPointer clientData,
-		  XtPointer ptr);
+                       XtPointer ptr);
 
 wxChoice::wxChoice()
 {
@@ -38,52 +48,54 @@ wxChoice::wxChoice()
     m_menuWidget = (WXWidget) 0;
     m_widgetList = (WXWidget*) 0;
     m_formWidget = (WXWidget) 0;
-    m_inSetValue = FALSE;
 }
 
 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
-           const wxPoint& pos,
-           const wxSize& size,
-		   int n, const wxString choices[],
-		   long style,
-           const wxValidator& validator,
-           const wxString& name)
+                      const wxPoint& pos,
+                      const wxSize& size,
+                      int n, const wxString choices[],
+                      long style,
+                      const wxValidator& validator,
+                      const wxString& name)
 {
     SetName(name);
     SetValidator(validator);
-    m_noStrings = n;
+    m_noStrings = 0; // Starts off with none, incremented in Append
     m_windowStyle = style;
     m_buttonWidget = (WXWidget) 0;
     m_menuWidget = (WXWidget) 0;
     m_widgetList = (WXWidget*) 0;
     m_formWidget = (WXWidget) 0;
-    m_inSetValue = FALSE;
 
     if (parent) parent->AddChild(this);
 
     if ( id == -1 )
-    	m_windowId = (int)NewControlId();
+        m_windowId = (int)NewControlId();
     else
-	    m_windowId = id;
+        m_windowId = id;
+
+    m_backgroundColour = parent->GetBackgroundColour();
+    m_foregroundColour = parent->GetForegroundColour();
+    m_font = parent->GetFont();
 
     Widget parentWidget = (Widget) parent->GetClientWidget();
 
-    m_formWidget = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) name,
-					xmRowColumnWidgetClass, parentWidget,
-					XmNmarginHeight, 0,
-					XmNmarginWidth, 0,
-					XmNpacking, XmPACK_TIGHT,
-					XmNorientation, XmHORIZONTAL,
-					NULL);
+    m_formWidget = (WXWidget) XtVaCreateManagedWidget(name.c_str(),
+        xmRowColumnWidgetClass, parentWidget,
+        XmNmarginHeight, 0,
+        XmNmarginWidth, 0,
+        XmNpacking, XmPACK_TIGHT,
+        XmNorientation, XmHORIZONTAL,
+        NULL);
 
     XtVaSetValues ((Widget) m_formWidget, XmNspacing, 0, NULL);
 
-   /*
+    /*
     * Create the popup menu
     */
     m_menuWidget = (WXWidget) XmCreatePulldownMenu ((Widget) m_formWidget, "choiceMenu", NULL, 0);
 
-    int i;
+    //    int i;
     if (n > 0)
     {
         int i;
@@ -91,7 +103,7 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
             Append (choices[i]);
     }
 
-   /*
+    /*
     * Create button
     */
     Arg args[10];
@@ -117,89 +129,106 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
     // that I have found the code responsible for this behaviour.
 #if XmVersion >= 1002
 #if XmVersion <  2000
-    Widget optionLabel = XmOptionLabelGadget ((Widget) m_buttonWidget);
-    XtUnmanageChild (optionLabel);
+    // JACS, 24/1/99: this seems to cause a malloc crash later on, e.g.
+    // in controls sample.
+    //
+    // Widget optionLabel = XmOptionLabelGadget ((Widget) m_buttonWidget);
+    // XtUnmanageChild (optionLabel);
 #endif
 #endif
 
     XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL);
 
+    ChangeFont(FALSE);
+
     AttachWidget (parent, m_buttonWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 
-    SetFont(* parent->GetFont());
-    ChangeColour(m_mainWidget);
+    ChangeBackgroundColour();
 
     return TRUE;
 }
 
 wxChoice::~wxChoice()
 {
-  // For some reason destroying the menuWidget
-  // can cause crashes on some machines. It will
-  // be deleted implicitly by deleting the parent form
-  // anyway.
-//  XtDestroyWidget (menuWidget);
+    // For some reason destroying the menuWidget
+    // can cause crashes on some machines. It will
+    // be deleted implicitly by deleting the parent form
+    // anyway.
+    //  XtDestroyWidget (menuWidget);
     if (m_widgetList)
         delete[] m_widgetList;
 
-    DetachWidget(GetMainWidget()); // Removes event handlers
+    if (GetMainWidget())
+    {
+        DetachWidget(GetMainWidget()); // Removes event handlers
+        DetachWidget(m_formWidget);
 
-    XtDestroyWidget((Widget) m_formWidget);
-    m_formWidget = (WXWidget) 0;
+        XtDestroyWidget((Widget) m_formWidget);
+        m_formWidget = (WXWidget) 0;
 
-    // Presumably the other widgets have been deleted now, via the form
-    m_mainWidget = (WXWidget) 0;
-    m_buttonWidget = (WXWidget) 0;
+        // Presumably the other widgets have been deleted now, via the form
+        m_mainWidget = (WXWidget) 0;
+        m_buttonWidget = (WXWidget) 0;
+    }
 }
 
 void wxChoice::Append(const wxString& item)
 {
-  wxStripMenuCodes ((char *)(const char *)item, wxBuffer);
-  Widget w = XtVaCreateManagedWidget (wxBuffer,
+    Widget w = XtVaCreateManagedWidget (wxStripMenuCodes(item),
 #if USE_GADGETS
-				      xmPushButtonGadgetClass, (Widget) m_menuWidget,
+        xmPushButtonGadgetClass, (Widget) m_menuWidget,
 #else
-				      xmPushButtonWidgetClass, (Widget) m_menuWidget,
+        xmPushButtonWidgetClass, (Widget) m_menuWidget,
 #endif
-				      NULL);
+        NULL);
 
-  if (m_windowFont.Ok())
-    XtVaSetValues (w,
-		   XmNfontList, (XmFontList) m_windowFont.GetFontList(1.0, XtDisplay((Widget) m_formWidget)),
-		   NULL);
+    DoChangeBackgroundColour((WXWidget) w, m_backgroundColour);
 
-  WXWidget *new_widgetList = new WXWidget[m_noStrings + 1];
-  int i;
-  for (i = 0; i < m_noStrings; i++)
-    new_widgetList[i] = m_widgetList[i];
-  new_widgetList[m_noStrings] = (WXWidget) w;
-  if (m_widgetList)
-    delete[] m_widgetList;
-  m_widgetList = new_widgetList;
+    if (m_font.Ok())
+        XtVaSetValues (w,
+        XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_formWidget)),
+        NULL);
 
-  char mnem = wxFindMnemonic ((char*) (const char*) item);
-  if (mnem != 0)
-    XtVaSetValues (w, XmNmnemonic, mnem, NULL);
+    WXWidget *new_widgetList = new WXWidget[m_noStrings + 1];
+    int i;
+    if (m_widgetList)
+        for (i = 0; i < m_noStrings; i++)
+            new_widgetList[i] = m_widgetList[i];
+
+    new_widgetList[m_noStrings] = (WXWidget) w;
+
+    if (m_widgetList)
+        delete[] m_widgetList;
+    m_widgetList = new_widgetList;
 
-  XtAddCallback (w, XmNactivateCallback, (XtCallbackProc) wxChoiceCallback, (XtPointer) this);
+    char mnem = wxFindMnemonic ((char*) (const char*) item);
+    if (mnem != 0)
+        XtVaSetValues (w, XmNmnemonic, mnem, NULL);
 
-  if (m_noStrings == 0 && m_buttonWidget)
+    XtAddCallback (w, XmNactivateCallback, (XtCallbackProc) wxChoiceCallback, (XtPointer) this);
+
+    if (m_noStrings == 0 && m_buttonWidget)
     {
-      XtVaSetValues ((Widget) m_buttonWidget, XmNmenuHistory, w, NULL);
-      Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
-      XmString text = XmStringCreateSimple ((char*) (const char*) item);
-      XtVaSetValues (label,
-		     XmNlabelString, text,
-		     NULL);
-      XmStringFree (text);
+        XtVaSetValues ((Widget) m_buttonWidget, XmNmenuHistory, w, NULL);
+        Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
+        XmString text = XmStringCreateSimple ((char*) (const char*) item);
+        XtVaSetValues (label,
+            XmNlabelString, text,
+            NULL);
+        XmStringFree (text);
     }
-  wxNode *node = m_stringList.Add (item);
-  XtVaSetValues (w, XmNuserData, node->Data (), NULL);
+    wxNode *node = m_stringList.Add (item);
+    XtVaSetValues (w, XmNuserData, node->Data (), NULL);
 
-  m_noStrings ++;
+    if (m_noStrings == 0)
+        m_clientList.Append((wxObject*) NULL);
+    else
+        m_clientList.Insert( m_clientList.Item(m_noStrings-1),
+                                 (wxObject*) NULL );
+    m_noStrings ++;
 }
 
-void wxChoice::Delete(int n)
+void wxChoice::Delete(int WXUNUSED(n))
 {
     wxFAIL_MSG( "Sorry, wxChoice::Delete isn't implemented yet. Maybe you'd like to volunteer? :-)" );
 
@@ -225,64 +254,79 @@ void wxChoice::Clear()
     m_widgetList = (WXWidget*) NULL;
     if (m_buttonWidget)
         XtVaSetValues ((Widget) m_buttonWidget, XmNmenuHistory, (Widget) NULL, NULL);
+
+    if ( HasClientObjectData() )
+    {
+        // destroy the data (due to Robert's idea of using wxList<wxObject>
+        // and not wxList<wxClientData> we can't just say
+        // m_clientList.DeleteContents(TRUE) - this would crash!
+        wxNode *node = m_clientList.First();
+        while ( node )
+        {
+            delete (wxClientData *)node->Data();
+            node = node->Next();
+        }
+    }
+    m_clientList.Clear();
+
     m_noStrings = 0;
 }
 
 int wxChoice::GetSelection() const
 {
-  XmString text;
-  char *s;
-  Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
-  XtVaGetValues (label,
-         XmNlabelString, &text,
-         NULL);
-
-  if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
-  {
-      int i = 0;
-      for (wxNode * node = m_stringList.First (); node; node = node->Next ())
-      {
-        char *s1 = (char *) node->Data ();
-        if (s1 == s || strcmp (s1, s) == 0)
+    XmString text;
+    char *s;
+    Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
+    XtVaGetValues (label,
+        XmNlabelString, &text,
+        NULL);
+
+    if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
+    {
+        int i = 0;
+        for (wxNode * node = m_stringList.First (); node; node = node->Next ())
         {
-          XmStringFree(text) ;
-          XtFree (s);
-          return i;
-        }
-        else
-            i++;
-      }            // for()
-
-      XmStringFree(text) ;
-      XtFree (s);
-      return -1;
-  }
-  XmStringFree(text) ;
-  return -1;
+            char *s1 = (char *) node->Data ();
+            if (s1 == s || strcmp (s1, s) == 0)
+            {
+                XmStringFree(text) ;
+                XtFree (s);
+                return i;
+            }
+            else
+                i++;
+        }            // for()
+
+        XmStringFree(text) ;
+        XtFree (s);
+        return -1;
+    }
+    XmStringFree(text) ;
+    return -1;
 }
 
 void wxChoice::SetSelection(int n)
 {
-  m_inSetValue = TRUE;
-  
-  wxNode *node = m_stringList.Nth (n);
-  if (node)
+    m_inSetValue = TRUE;
+
+    wxNode *node = m_stringList.Nth (n);
+    if (node)
     {
-      Dimension selectionWidth, selectionHeight;
-
-      char *s = (char *) node->Data ();
-      XmString text = XmStringCreateSimple (s);
-      XtVaGetValues ((Widget) m_widgetList[n], XmNwidth, &selectionWidth, XmNheight, &selectionHeight, NULL);
-      Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
-      XtVaSetValues (label,
-                     XmNlabelString, text,
-                     NULL);
-      XmStringFree (text);
-      XtVaSetValues ((Widget) m_buttonWidget,
-                     XmNwidth, selectionWidth, XmNheight, selectionHeight,
-                     XmNmenuHistory, (Widget) m_widgetList[n], NULL);
+        Dimension selectionWidth, selectionHeight;
+
+        char *s = (char *) node->Data ();
+        XmString text = XmStringCreateSimple (s);
+        XtVaGetValues ((Widget) m_widgetList[n], XmNwidth, &selectionWidth, XmNheight, &selectionHeight, NULL);
+        Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
+        XtVaSetValues (label,
+            XmNlabelString, text,
+            NULL);
+        XmStringFree (text);
+        XtVaSetValues ((Widget) m_buttonWidget,
+            XmNwidth, selectionWidth, XmNheight, selectionHeight,
+            XmNmenuHistory, (Widget) m_widgetList[n], NULL);
     }
-  m_inSetValue = FALSE;
+    m_inSetValue = FALSE;
 }
 
 int wxChoice::FindString(const wxString& s) const
@@ -303,39 +347,39 @@ int wxChoice::FindString(const wxString& s) const
 
 wxString wxChoice::GetString(int n) const
 {
-  wxNode *node = m_stringList.Nth (n);
-  if (node)
-    return wxString((char *) node->Data ());
-  else
-    return wxEmptyString;
+    wxNode *node = m_stringList.Nth (n);
+    if (node)
+        return wxString((char *) node->Data ());
+    else
+        return wxEmptyString;
 }
 
 void wxChoice::SetColumns(int n)
 {
-  if (n<1) n = 1 ;
+    if (n<1) n = 1 ;
 
-  short numColumns = n ;
-  Arg args[3];
+    short numColumns = n ;
+    Arg args[3];
 
-  XtSetArg(args[0], XmNnumColumns, numColumns);
-  XtSetArg(args[1], XmNpacking, XmPACK_COLUMN);
-  XtSetValues((Widget) m_menuWidget,args,2) ;
+    XtSetArg(args[0], XmNnumColumns, numColumns);
+    XtSetArg(args[1], XmNpacking, XmPACK_COLUMN);
+    XtSetValues((Widget) m_menuWidget,args,2) ;
 }
 
 int wxChoice::GetColumns(void) const
 {
-  short numColumns ;
+    short numColumns ;
 
-  XtVaGetValues((Widget) m_menuWidget,XmNnumColumns,&numColumns,NULL) ;
-  return numColumns ;
+    XtVaGetValues((Widget) m_menuWidget,XmNnumColumns,&numColumns,NULL) ;
+    return numColumns ;
 }
 
 void wxChoice::SetFocus()
 {
-  XmProcessTraversal(XtParent((Widget)m_mainWidget), XmTRAVERSE_CURRENT);
+    XmProcessTraversal(XtParent((Widget)m_mainWidget), XmTRAVERSE_CURRENT);
 }
 
-void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxChoice::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
     XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_ANY, NULL);
     bool managed = XtIsManaged((Widget) m_formWidget);
@@ -351,7 +395,7 @@ void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
         for (i = 0; i < m_noStrings; i++)
             XtVaSetValues ((Widget) m_widgetList[i], XmNwidth, actualWidth, NULL);
         XtVaSetValues ((Widget) m_buttonWidget, XmNwidth, actualWidth,
-             NULL);
+            NULL);
     }
     if (height > -1)
     {
@@ -359,14 +403,14 @@ void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
         for (i = 0; i < m_noStrings; i++)
             XtVaSetValues ((Widget) m_widgetList[i], XmNheight, actualHeight, NULL);
         XtVaSetValues ((Widget) m_buttonWidget, XmNheight, actualHeight,
-             NULL);
+            NULL);
     }
 
     if (managed)
         XtManageChild ((Widget) m_formWidget);
     XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL);
 
-    wxControl::SetSize (x, y, width, height, sizeFlags);
+    wxControl::DoSetSize (x, y, width, height, sizeFlags);
 }
 
 wxString wxChoice::GetStringSelection () const
@@ -382,10 +426,10 @@ bool wxChoice::SetStringSelection (const wxString& s)
 {
     int sel = FindString (s);
     if (sel > -1)
-        {
-            SetSelection (sel);
-            return TRUE;
-        }
+    {
+        SetSelection (sel);
+        return TRUE;
+    }
     else
         return FALSE;
 }
@@ -396,24 +440,158 @@ void wxChoice::Command(wxCommandEvent & event)
     ProcessCommand (event);
 }
 
-void wxChoiceCallback (Widget w, XtPointer clientData,
-          XtPointer ptr)
+void wxChoiceCallback (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr))
 {
     wxChoice *item = (wxChoice *) clientData;
     if (item)
     {
-        if (item->m_inSetValue)
+        if (item->InSetValue())
             return;
-        
+
         char *s = NULL;
         XtVaGetValues (w, XmNuserData, &s, NULL);
         if (s)
         {
-            wxCommandEvent event (wxEVT_COMMAND_CHOICE_SELECTED);
+            wxCommandEvent event (wxEVT_COMMAND_CHOICE_SELECTED, item->GetId());
+            event.SetEventObject(item);
             event.m_commandInt = item->FindString (s);
-//            event.m_commandString = s;
+            //            event.m_commandString = s;
             item->ProcessCommand (event);
         }
     }
 }
 
+void wxChoice::ChangeFont(bool keepOriginalSize)
+{
+    // Note that this causes the widget to be resized back
+    // to its original size! We therefore have to set the size
+    // back again. TODO: a better way in Motif?
+    if (m_font.Ok())
+    {
+        int width, height, width1, height1;
+        GetSize(& width, & height);
+
+        XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_mainWidget));
+        XtVaSetValues ((Widget) m_mainWidget, XmNfontList, fontList, NULL);
+        XtVaSetValues ((Widget) m_buttonWidget, XmNfontList, fontList, NULL);
+
+        /* TODO: why does this cause a crash in XtWidgetToApplicationContext?
+        int i;
+        for (i = 0; i < m_noStrings; i++)
+        XtVaSetValues ((Widget) m_widgetList[i], XmNfontList, fontList, NULL);
+        */
+        GetSize(& width1, & height1);
+        if (keepOriginalSize && (width != width1 || height != height1))
+        {
+            SetSize(-1, -1, width, height);
+        }
+    }
+}
+
+void wxChoice::ChangeBackgroundColour()
+{
+    DoChangeBackgroundColour(m_formWidget, m_backgroundColour);
+    DoChangeBackgroundColour(m_buttonWidget, m_backgroundColour);
+    DoChangeBackgroundColour(m_menuWidget, m_backgroundColour);
+    int i;
+    for (i = 0; i < m_noStrings; i++)
+        DoChangeBackgroundColour(m_widgetList[i], m_backgroundColour);
+}
+
+void wxChoice::ChangeForegroundColour()
+{
+    DoChangeForegroundColour(m_formWidget, m_foregroundColour);
+    DoChangeForegroundColour(m_buttonWidget, m_foregroundColour);
+    DoChangeForegroundColour(m_menuWidget, m_foregroundColour);
+    int i;
+    for (i = 0; i < m_noStrings; i++)
+        DoChangeForegroundColour(m_widgetList[i], m_foregroundColour);
+}
+
+
+// These implement functions needed by wxControlWithItems.
+// Unfortunately, they're not all implemented yet.
+
+int wxChoice::GetCount() const
+{
+    return Number();
+}
+
+int wxChoice::DoAppend(const wxString& item)
+{
+    Append(item);
+    return GetCount() - 1;
+}
+
+// Just appends, doesn't yet insert
+void wxChoice::DoInsertItems(const wxArrayString& items, int WXUNUSED(pos))
+{
+    size_t nItems = items.GetCount();
+
+    for ( size_t n = 0; n < nItems; n++ )
+    {
+        Append( items[n]);
+    }
+}
+
+void wxChoice::DoSetItems(const wxArrayString& items, void **WXUNUSED(clientData))
+{
+    Clear();
+    size_t nItems = items.GetCount();
+
+    for ( size_t n = 0; n < nItems; n++ )
+    {
+        Append(items[n]);
+    }
+}
+
+void wxChoice::DoSetFirstItem(int WXUNUSED(n))
+{
+    wxFAIL_MSG( wxT("wxChoice::DoSetFirstItem not implemented") );
+}
+
+void wxChoice::DoSetItemClientData(int n, void* clientData)
+{
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
+
+    node->SetData( (wxObject*) clientData );
+}
+
+void* wxChoice::DoGetItemClientData(int n) const
+{
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
+
+    return node->Data();
+}
+
+void wxChoice::DoSetItemClientObject(int n, wxClientData* clientData)
+{
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
+
+    wxClientData *cd = (wxClientData*) node->Data();
+    delete cd;
+
+    node->SetData( (wxObject*) clientData );
+}
+
+wxClientData* wxChoice::DoGetItemClientObject(int n) const
+{
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_MSG( node, (wxClientData *)NULL,
+                 wxT("invalid index in wxChoice::DoGetItemClientObject") );
+
+    return (wxClientData*) node->Data();
+}
+
+void wxChoice::Select(int n)
+{
+    SetSelection(n);
+}
+
+void wxChoice::SetString(int WXUNUSED(n), const wxString& WXUNUSED(s))
+{
+    wxFAIL_MSG( wxT("wxChoice::SetString not implemented") );
+}