d3a80c922c
use wxConstCast instead of explicit casts to char*. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19577 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
421 lines
10 KiB
C++
421 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: combobox_native.cpp
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// Purpose: wxComboBox class
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// Author: Julian Smart, Ian Brown
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// Modified by:
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// Created: 01/02/03
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/setup.h"
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#if wxUSE_COMBOBOX
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#include "wx/combobox.h"
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#ifdef __VMS__
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#pragma message disable nosimpint
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#endif
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#include <Xm/Xm.h>
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#ifdef __VMS__
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#pragma message enable nosimpint
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#endif
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// use the new, shiny combobox for Motif 2.x
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#if (XmVersion >= 2000)
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#ifdef __VMS__
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#pragma message disable nosimpint
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#endif
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#include <Xm/ComboBox.h>
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#include <Xm/Text.h>
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#include <Xm/List.h>
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#ifdef __VMS__
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#pragma message enable nosimpint
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#endif
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#include "wx/motif/private.h"
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// utility
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static Widget GetXmList( const wxComboBox* cb )
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{
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Widget ret;
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XtVaGetValues( (Widget)cb->GetMainWidget(),
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XmNlist, &ret,
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NULL );
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return ret;
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}
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static Widget GetXmText( const wxComboBox* cb )
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{
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Widget ret;
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XtVaGetValues( (Widget)cb->GetMainWidget(),
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XmNtextField, &ret,
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NULL );
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return ret;
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}
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void wxComboBoxCallback (Widget w, XtPointer clientData,
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XmComboBoxCallbackStruct * cbs);
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IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
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bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
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const wxString& value,
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const wxPoint& pos,
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const wxSize& size,
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int n, const wxString choices[],
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long style,
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const wxValidator& validator,
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const wxString& name)
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{
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if( !CreateControl( parent, id, pos, size, style, validator, name ) )
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return false;
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Widget parentWidget = (Widget) parent->GetClientWidget();
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int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
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( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
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( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
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// default to wxCB_DROPDOWN
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XmDROP_DOWN_COMBO_BOX;
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if( cb_type == XmDROP_DOWN_COMBO_BOX )
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SetWindowStyle( style | wxCB_DROPDOWN );
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Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
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xmComboBoxWidgetClass, parentWidget,
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XmNcomboBoxType, cb_type,
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NULL);
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m_mainWidget = (Widget) buttonWidget;
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int i;
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for ( i = 0; i < n; ++i)
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Append( choices[i] );
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XtManageChild (buttonWidget);
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SetValue(value);
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ChangeFont(false);
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XtAddCallback (buttonWidget, XmNselectionCallback,
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(XtCallbackProc) wxComboBoxCallback,
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(XtPointer) this);
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XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
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(XtCallbackProc) wxComboBoxCallback,
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(XtPointer) this);
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wxSize best = GetBestSize();
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if( size.x != -1 ) best.x = size.x;
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if( size.y != -1 ) best.y = size.y;
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SetCanAddEventHandler(true);
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AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
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pos.x, pos.y, best.x, best.y);
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ChangeBackgroundColour();
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return true;
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}
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void wxComboBox::AdjustDropDownListSize()
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{
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int newListCount = -1, itemCount = GetCount();
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const int MAX = 12;
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if( !itemCount )
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newListCount = 1;
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else if( itemCount < MAX )
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newListCount = itemCount;
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else
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newListCount = MAX;
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XtVaSetValues( GetXmList(this),
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XmNvisibleItemCount, newListCount,
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NULL );
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}
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wxComboBox::~wxComboBox()
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{
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DetachWidget((Widget) m_mainWidget); // Removes event handlers
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XtDestroyWidget((Widget) m_mainWidget);
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m_mainWidget = (WXWidget) 0;
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if ( HasClientObjectData() )
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m_clientDataDict.DestroyData();
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}
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void wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
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{
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// Necessary so it doesn't call wxChoice::SetSize
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wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
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}
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wxString wxComboBox::GetValue() const
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{
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char* s = XmTextGetString (GetXmText (this));
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wxString str(s);
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if (s)
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XtFree (s);
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return str;
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}
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void wxComboBox::SetString(int n, const wxString& s)
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{
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wxXmString text(s);
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Widget listBox = GetXmList(this);
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// delete the item and add it again.
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// FIXME isn't there a way to change it in place?
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XmListDeletePos (listBox, n+1);
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XmListAddItem (listBox, text(), n+1);
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}
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void wxComboBox::SetValue(const wxString& value)
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{
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m_inSetValue = true;
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XtVaSetValues( GetXmText(this),
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XmNvalue, wxConstCast(value.c_str(), char),
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NULL);
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m_inSetValue = false;
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}
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int wxComboBox::DoAppend(const wxString& item)
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{
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wxXmString str( item.c_str() );
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XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
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m_noStrings ++;
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AdjustDropDownListSize();
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return GetCount() - 1;
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}
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void wxComboBox::Delete(int n)
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{
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#ifdef LESSTIF_VERSION
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XmListDeletePos (GetXmList(this), n + 1);
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#else
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XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
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#endif
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m_clientDataDict.Delete(n, HasClientObjectData());
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m_noStrings--;
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AdjustDropDownListSize();
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}
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void wxComboBox::Clear()
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{
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#ifdef LESSTIF_VERSION
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XmListDeleteAllItems (GetXmList(this));
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#else
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while(m_noStrings > 0)
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{
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XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
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}
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#endif
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if ( HasClientObjectData() )
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m_clientDataDict.DestroyData();
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m_noStrings = 0;
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AdjustDropDownListSize();
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}
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void wxComboBox::SetSelection (int n)
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{
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#ifdef LESSTIF_VERSION
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XmListSelectPos (GetXmList(this), n + 1, false);
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SetValue(GetString(n));
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#else
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wxXmString str( GetString(n).c_str() );
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XmComboBoxSelectItem((Widget) m_mainWidget, str());
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#if 0
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// does it work for Motif
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XtVaSetValues( (Widget)m_mainWidget,
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XmNselectedPosition, n + 1,
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NULL );
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#endif
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#endif
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}
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int wxComboBox::GetSelection (void) const
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{
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return wxDoGetSelectionInList( GetXmList( this ) );
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}
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wxString wxComboBox::GetString(int n) const
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{
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return wxDoGetStringInList( GetXmList(this), n );
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}
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int wxComboBox::FindString(const wxString& s) const
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{
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return wxDoFindStringInList( GetXmList( this ), s );
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}
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// Clipboard operations
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void wxComboBox::Copy()
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{
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XmTextCopy( GetXmText(this), CurrentTime );
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}
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void wxComboBox::Cut()
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{
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XmTextCut( GetXmText(this), CurrentTime );
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}
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void wxComboBox::Paste()
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{
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XmTextPaste( GetXmText(this) );
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}
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void wxComboBox::SetEditable(bool WXUNUSED(editable))
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{
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// TODO
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}
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void wxComboBox::SetInsertionPoint(long pos)
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{
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XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
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}
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void wxComboBox::SetInsertionPointEnd()
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{
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SetInsertionPoint( GetLastPosition() );
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}
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long wxComboBox::GetInsertionPoint() const
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{
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return (long)XmTextGetInsertionPosition( GetXmText(this) );
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}
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long wxComboBox::GetLastPosition() const
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{
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XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
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return (long)pos;
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}
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void wxComboBox::Replace(long from, long to, const wxString& value)
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{
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XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
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wxConstCast(value.c_str(), char) );
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}
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void wxComboBox::Remove(long from, long to)
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{
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SetSelection( from, to );
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XmTextRemove( GetXmText(this) );
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}
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void wxComboBox::SetSelection(long from, long to)
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{
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if( to == -1 )
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to = GetLastPosition();
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XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
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(XmTextPosition)to, (Time)0 );
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}
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void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
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XmComboBoxCallbackStruct * cbs)
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{
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wxComboBox *item = (wxComboBox *) clientData;
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switch (cbs->reason)
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{
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case XmCR_SELECT:
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#if 0
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case XmCR_SINGLE_SELECT:
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case XmCR_BROWSE_SELECT:
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#endif
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{
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wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
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item->GetId());
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int idx = cbs->item_position - 1;
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event.m_commandInt = idx;
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event.m_commandString = item->GetString (idx);
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if ( item->HasClientObjectData() )
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event.SetClientObject( item->GetClientObject(idx) );
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else if ( item->HasClientUntypedData() )
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event.SetClientData( item->GetClientData(idx) );
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event.m_extraLong = true;
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event.SetEventObject(item);
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item->ProcessCommand (event);
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break;
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}
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case XmCR_VALUE_CHANGED:
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{
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wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
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event.m_commandInt = -1;
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event.m_commandString = item->GetValue();
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event.m_extraLong = true;
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event.SetEventObject(item);
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item->ProcessCommand (event);
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break;
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}
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default:
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break;
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}
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}
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void wxComboBox::ChangeFont(bool keepOriginalSize)
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{
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if( m_font.Ok() )
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{
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wxDoChangeFont( GetXmText(this), m_font );
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wxDoChangeFont( GetXmList(this), m_font );
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}
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// Don't use the base class wxChoice's ChangeFont
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wxWindow::ChangeFont(keepOriginalSize);
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}
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void wxComboBox::ChangeBackgroundColour()
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{
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wxWindow::ChangeBackgroundColour();
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}
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void wxComboBox::ChangeForegroundColour()
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{
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wxWindow::ChangeForegroundColour();
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}
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wxSize wxComboBox::DoGetBestSize() const
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{
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if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN ||
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(GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
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{
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Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
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XtVaGetValues( (Widget)m_mainWidget,
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XmNarrowSize, &arrowW,
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XmNarrowSpacing, &arrowS,
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XmNhighlightThickness, &highlight,
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XmNmarginWidth, &xmargin,
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XmNmarginHeight, &ymargin,
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XmNshadowThickness, &shadow,
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NULL );
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wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
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wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
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this );
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// FIXME arbitrary constants
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return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
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+ 2 * shadow + 2 * xmargin ,
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textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
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}
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else
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return wxWindow::DoGetBestSize();
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}
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#endif // XmVersion >= 2000
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#endif // wxUSE_COMBOBOX
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