// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "choice.h"
#endif
// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#define XtParent XTPARENT
+#endif
+
+#include "wx/defs.h"
+
+#if wxUSE_CHOICE
+
#include "wx/choice.h"
+#include "wx/utils.h"
+#include "wx/arrstr.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"
+
+#define WIDTH_OVERHEAD 48
+#define WIDTH_OVERHEAD_SUBTRACT 40
+#define HEIGHT_OVERHEAD 15
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
+
+void wxChoiceCallback (Widget w, XtPointer clientData,
+ XtPointer ptr);
+
+wxChoice::wxChoice()
+{
+ Init();
+}
+
+void wxChoice::Init()
+{
+ m_noStrings = 0;
+ m_buttonWidget = (WXWidget) 0;
+ m_menuWidget = (WXWidget) 0;
+ m_formWidget = (WXWidget) 0;
+}
+
+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)
+{
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
+
+ Widget parentWidget = (Widget) parent->GetClientWidget();
+
+ m_formWidget = (WXWidget) XtVaCreateManagedWidget(name.c_str(),
+ xmRowColumnWidgetClass, parentWidget,
+ XmNmarginHeight, 0,
+ XmNmarginWidth, 0,
+ XmNpacking, XmPACK_TIGHT,
+ XmNorientation, XmHORIZONTAL,
+ XmNresizeWidth, False,
+ XmNresizeHeight, False,
+ NULL);
+
+ XtVaSetValues ((Widget) m_formWidget, XmNspacing, 0, NULL);
+
+ /*
+ * Create the popup menu
+ */
+ m_menuWidget = (WXWidget) XmCreatePulldownMenu ((Widget) m_formWidget,
+ "choiceMenu", NULL, 0);
+
+ if (n > 0)
+ {
+ int i;
+ for (i = 0; i < n; i++)
+ Append (choices[i]);
+ }
+
+ /*
+ * Create button
+ */
+ Arg args[10];
+ Cardinal argcnt = 0;
+
+ XtSetArg (args[argcnt], XmNsubMenuId, (Widget) m_menuWidget); ++argcnt;
+ XtSetArg (args[argcnt], XmNmarginWidth, 0); ++argcnt;
+ XtSetArg (args[argcnt], XmNmarginHeight, 0); ++argcnt;
+ XtSetArg (args[argcnt], XmNpacking, XmPACK_TIGHT); ++argcnt;
+ m_buttonWidget = (WXWidget) XmCreateOptionMenu ((Widget) m_formWidget,
+ "choiceButton",
+ args, argcnt);
+
+ m_mainWidget = m_buttonWidget;
+
+ XtManageChild ((Widget) m_buttonWidget);
+
+ // New code from Roland Haenel (roland_haenel@ac.cybercity.de)
+ // Some time ago, I reported a problem with wxChoice-items under
+ // Linux and Motif 2.0 (they caused sporadic GPFs). Now it seems
+ // that I have found the code responsible for this behaviour.
+#if XmVersion >= 1002
+#if XmVersion < 2000
+ // 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
+ wxSize bestSize = GetBestSize();
+ if( size.x > 0 ) bestSize.x = size.x;
+ if( size.y > 0 ) bestSize.y = size.y;
+
+ XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL);
+
+ ChangeFont(false);
+ ChangeBackgroundColour();
+
+ AttachWidget (parent, m_buttonWidget, m_formWidget,
+ pos.x, pos.y, bestSize.x, bestSize.y);
+
+ return true;
+}
+
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)
-{
- SetName(name);
- SetValidator(validator);
- m_noStrings = n;
- m_windowStyle = style;
-
- if (parent) parent->AddChild(this);
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ wxCArrayString chs(choices);
+ return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+ style, validator, name);
+}
+
+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);
- // TODO: create choice control
- return FALSE;
+ if (GetMainWidget())
+ {
+ DetachWidget(GetMainWidget()); // Removes event handlers
+ DetachWidget(m_formWidget);
+
+ 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;
+ }
+ if ( HasClientObjectData() )
+ m_clientDataDict.DestroyData();
}
-void wxChoice::Append(const wxString& item)
+int wxChoice::DoAppend(const wxString& item)
{
- // TODO
+ Widget w = XtVaCreateManagedWidget (wxStripMenuCodes(item),
+#if USE_GADGETS
+ xmPushButtonGadgetClass, (Widget) m_menuWidget,
+#else
+ xmPushButtonWidgetClass, (Widget) m_menuWidget,
+#endif
+ NULL);
+
+ wxDoChangeBackgroundColour((WXWidget) w, m_backgroundColour);
+
+ if( m_font.Ok() )
+ wxDoChangeFont( w, m_font );
+
+ m_widgetArray.Add(w);
+
+ char mnem = wxFindMnemonic (item);
+ if (mnem != 0)
+ XtVaSetValues (w, XmNmnemonic, mnem, NULL);
+
+ 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);
+ wxXmString text( item );
+ XtVaSetValues (label,
+ XmNlabelString, text(),
+ NULL);
+ }
+ m_stringList.Add(item);
m_noStrings ++;
+
+ return GetCount() - 1;
+}
+
+int wxChoice::DoInsert(const wxString& item, int pos)
+{
+ wxCHECK_MSG(false, -1, wxT("insert not implemented"));
+
+// wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
+// if (pos == GetCount()) return DoAppend(item);
}
void wxChoice::Delete(int n)
{
- // TODO
+ Widget w = (Widget)m_widgetArray[n];
+ XtRemoveCallback(w, XmNactivateCallback, (XtCallbackProc)wxChoiceCallback,
+ (XtPointer)this);
+ m_stringList.Erase(m_stringList.Item(n));
+ m_widgetArray.RemoveAt(size_t(n));
+ m_clientDataDict.Delete(n, HasClientObjectData());
+
+ XtDestroyWidget(w);
m_noStrings --;
}
void wxChoice::Clear()
{
- // TODO
+ m_stringList.Clear ();
+ size_t i;
+ for (i = 0; i < m_noStrings; i++)
+ {
+ XtRemoveCallback((Widget) m_widgetArray[i],
+ XmNactivateCallback, (XtCallbackProc)wxChoiceCallback,
+ (XtPointer)this);
+ XtUnmanageChild ((Widget) m_widgetArray[i]);
+ XtDestroyWidget ((Widget) m_widgetArray[i]);
+ }
+ m_widgetArray.Clear();
+ if (m_buttonWidget)
+ XtVaSetValues ((Widget) m_buttonWidget,
+ XmNmenuHistory, (Widget) NULL,
+ NULL);
+
+ if ( HasClientObjectData() )
+ m_clientDataDict.DestroyData();
+
m_noStrings = 0;
}
int wxChoice::GetSelection() const
{
- // TODO
- return 0;
+ XmString text;
+ Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
+ XtVaGetValues (label,
+ XmNlabelString, &text,
+ NULL);
+ wxXmString freeMe(text);
+ wxString s = wxXmStringToString( text );
+
+ if (!s.IsEmpty())
+ {
+ int i = 0;
+ for (wxStringList::compatibility_iterator node = m_stringList.GetFirst ();
+ node; node = node->GetNext ())
+ {
+ if (wxStrcmp(node->GetData(), s.c_str()) == 0)
+ {
+ return i;
+ }
+ else
+ i++;
+ } // for()
+
+ return -1;
+ }
+ return -1;
}
void wxChoice::SetSelection(int n)
{
- // TODO
+ m_inSetValue = true;
+
+ wxStringList::compatibility_iterator node = m_stringList.Item(n);
+ if (node)
+ {
+#if 0
+ Dimension selectionWidth, selectionHeight;
+#endif
+ wxXmString text( node->GetData() );
+// MBN: this seems silly, at best, and causes wxChoices to be clipped:
+// will remove "soon"
+#if 0
+ XtVaGetValues ((Widget) m_widgetArray[n],
+ XmNwidth, &selectionWidth,
+ XmNheight, &selectionHeight,
+ NULL);
+#endif
+ Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
+ XtVaSetValues (label,
+ XmNlabelString, text(),
+ NULL);
+#if 0
+ XtVaSetValues ((Widget) m_buttonWidget,
+ XmNwidth, selectionWidth, XmNheight, selectionHeight,
+ XmNmenuHistory, (Widget) m_widgetArray[n], NULL);
+#endif
+ }
+ m_inSetValue = false;
}
int wxChoice::FindString(const wxString& s) const
{
- // TODO
- return 0;
+ int i = 0;
+ for (wxStringList::compatibility_iterator node = m_stringList.GetFirst();
+ node; node = node->GetNext ())
+ {
+ if (s == node->GetData())
+ return i;
+
+ i++;
+ }
+
+ return wxNOT_FOUND;
}
wxString wxChoice::GetString(int n) const
{
- // TODO
- return wxString("");
+ wxStringList::compatibility_iterator node = m_stringList.Item(n);
+ if (node)
+ return node->GetData();
+ else
+ return wxEmptyString;
}
-void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxChoice::SetColumns(int n)
{
- // TODO
+ if (n<1) n = 1 ;
+
+ short numColumns = n ;
+ Arg args[3];
+
+ XtSetArg(args[0], XmNnumColumns, numColumns);
+ XtSetArg(args[1], XmNpacking, XmPACK_COLUMN);
+ XtSetValues((Widget) m_menuWidget,args,2) ;
}
-wxString wxChoice::GetStringSelection () const
+int wxChoice::GetColumns(void) const
{
- int sel = GetSelection ();
- if (sel > -1)
- return wxString(this->GetString (sel));
- else
- return wxString("");
+ short numColumns ;
+
+ XtVaGetValues((Widget) m_menuWidget,XmNnumColumns,&numColumns,NULL) ;
+ return numColumns ;
}
-bool wxChoice::SetStringSelection (const wxString& s)
+void wxChoice::SetFocus()
{
- int sel = FindString (s);
- if (sel > -1)
- {
- SetSelection (sel);
- return TRUE;
- }
- else
- return FALSE;
+ XmProcessTraversal(XtParent((Widget)m_mainWidget), XmTRAVERSE_CURRENT);
+}
+
+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);
+
+ if (managed)
+ XtUnmanageChild ((Widget) m_formWidget);
+
+ int actualWidth = width - WIDTH_OVERHEAD_SUBTRACT,
+ actualHeight = height - HEIGHT_OVERHEAD;
+
+ if (width > -1)
+ {
+ size_t i;
+ for (i = 0; i < m_noStrings; i++)
+ XtVaSetValues ((Widget) m_widgetArray[i],
+ XmNwidth, actualWidth,
+ NULL);
+ XtVaSetValues ((Widget) m_buttonWidget, XmNwidth, actualWidth,
+ NULL);
+ }
+ if (height > -1)
+ {
+#if 0
+ size_t i;
+ for (i = 0; i < m_noStrings; i++)
+ XtVaSetValues ((Widget) m_widgetArray[i],
+ XmNheight, actualHeight,
+ NULL);
+#endif
+ XtVaSetValues ((Widget) m_buttonWidget, XmNheight, actualHeight,
+ NULL);
+ }
+
+ if (managed)
+ XtManageChild ((Widget) m_formWidget);
+ XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL);
+
+ wxControl::DoSetSize (x, y, width, height, sizeFlags);
}
void wxChoice::Command(wxCommandEvent & event)
ProcessCommand (event);
}
+void wxChoiceCallback (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr))
+{
+ wxChoice *item = (wxChoice *) clientData;
+ if (item)
+ {
+ if (item->InSetValue())
+ return;
+
+ int n = item->GetWidgets().Index(w);
+ if (n != wxNOT_FOUND)
+ {
+ wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, item->GetId());
+ event.SetEventObject(item);
+ event.SetInt(n);
+ event.SetString( item->GetStrings().Item(n)->GetData() );
+ if ( item->HasClientObjectData() )
+ event.SetClientObject( item->GetClientObject(n) );
+ else if ( item->HasClientUntypedData() )
+ event.SetClientData( item->GetClientData(n) );
+ 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);
+
+ WXFontType fontType =
+ m_font.GetFontType(XtDisplay((Widget) m_mainWidget));
+ WXString fontTag = wxFont::GetFontTag();
+
+ XtVaSetValues ((Widget) m_formWidget, fontTag, fontType, NULL);
+ XtVaSetValues ((Widget) m_buttonWidget, fontTag, fontType, NULL);
+
+ for( size_t i = 0; i < m_noStrings; ++i )
+ XtVaSetValues( (Widget)m_widgetArray[i],
+ fontTag, fontType,
+ NULL );
+
+ GetSize(& width1, & height1);
+ if (keepOriginalSize && (width != width1 || height != height1))
+ {
+ SetSize(wxDefaultCoord, wxDefaultCoord, width, height);
+ }
+ }
+}
+
+void wxChoice::ChangeBackgroundColour()
+{
+ wxDoChangeBackgroundColour(m_formWidget, m_backgroundColour);
+ wxDoChangeBackgroundColour(m_buttonWidget, m_backgroundColour);
+ wxDoChangeBackgroundColour(m_menuWidget, m_backgroundColour);
+ size_t i;
+ for (i = 0; i < m_noStrings; i++)
+ wxDoChangeBackgroundColour(m_widgetArray[i], m_backgroundColour);
+}
+
+void wxChoice::ChangeForegroundColour()
+{
+ wxDoChangeForegroundColour(m_formWidget, m_foregroundColour);
+ wxDoChangeForegroundColour(m_buttonWidget, m_foregroundColour);
+ wxDoChangeForegroundColour(m_menuWidget, m_foregroundColour);
+ size_t i;
+ for (i = 0; i < m_noStrings; i++)
+ wxDoChangeForegroundColour(m_widgetArray[i], m_foregroundColour);
+}
+
+int wxChoice::GetCount() const
+{
+ return m_noStrings;
+}
+
+void wxChoice::DoSetItemClientData(int n, void* clientData)
+{
+ m_clientDataDict.Set(n, (wxClientData*)clientData, false);
+}
+
+void* wxChoice::DoGetItemClientData(int n) const
+{
+ return (void*)m_clientDataDict.Get(n);
+}
+
+void wxChoice::DoSetItemClientObject(int n, wxClientData* clientData)
+{
+ // don't delete, wxItemContainer does that for us
+ m_clientDataDict.Set(n, clientData, false);
+}
+
+wxClientData* wxChoice::DoGetItemClientObject(int n) const
+{
+ return m_clientDataDict.Get(n);
+}
+
+void wxChoice::SetString(int WXUNUSED(n), const wxString& WXUNUSED(s))
+{
+ wxFAIL_MSG( wxT("wxChoice::SetString not implemented") );
+}
+
+wxSize wxChoice::GetItemsSize() const
+{
+ int x, y, mx = 0, my = 0;
+
+ // get my
+ GetTextExtent( "|", &x, &my );
+
+ wxStringList::compatibility_iterator curr = m_stringList.GetFirst();
+ while( curr )
+ {
+ GetTextExtent( curr->GetData(), &x, &y );
+ mx = wxMax( mx, x );
+ my = wxMax( my, y );
+ curr = curr->GetNext();
+ }
+
+ return wxSize( mx, my );
+}
+
+wxSize wxChoice::DoGetBestSize() const
+{
+ wxSize items = GetItemsSize();
+ // FIXME arbitrary constants
+ return wxSize( ( items.x ? items.x + WIDTH_OVERHEAD : 120 ),
+ items.y + HEIGHT_OVERHEAD );
+}
+
+#endif // wxUSE_CHOICE
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