src/motif/combobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        combobox.cpp
   3 // Purpose:     wxComboBox class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "combobox.h"
  14 #endif
  15
  16 #include "wx/combobox.h"
  17
  18 #if wxUSE_COMBOBOX
  19
  20 #include <Xm/Xm.h>
  21 #include "xmcombo/xmcombo.h"
  22
  23 void  wxComboBoxCallback (Widget w, XtPointer clientData,
  24                    XmComboBoxSelectionCallbackStruct * cbs);
  25
  26 #if !USE_SHARED_LIBRARY
  27 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
  28 #endif
  29
  30 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  31            const wxString& value,
  32            const wxPoint& pos,
  33            const wxSize& size,
  34                    int n, const wxString choices[],
  35                    long style,
  36            const wxValidator& validator,
  37            const wxString& name)
  38 {
  39     SetName(name);
  40     SetValidator(validator);
  41     m_noStrings = n;
  42     m_windowStyle = style;
  43     m_backgroundColour = parent->GetBackgroundColour();
  44     m_foregroundColour = parent->GetForegroundColour();
  45
  46     if (parent) parent->AddChild(this);
  47
  48     if ( id == -1 )
  49         m_windowId = (int)NewControlId();
  50     else
  51         m_windowId = id;
  52
  53     Widget parentWidget = (Widget) parent->GetClientWidget();
  54
  55     Widget buttonWidget = XtVaCreateManagedWidget((char*) (const char*) name,
  56                                          xmComboBoxWidgetClass, parentWidget,
  57                                          XmNmarginHeight, 0,
  58                                          XmNmarginWidth, 0,
  59                                          XmNshowLabel, False,
  60        XmNeditable, ((style & wxCB_READONLY) != wxCB_READONLY),
  61        XmNsorted, ((style & wxCB_SORT) == wxCB_SORT),
  62        XmNstaticList, ((style & wxCB_SIMPLE) == wxCB_SIMPLE),
  63                                          NULL);
  64
  65     XtAddCallback (buttonWidget, XmNselectionCallback, (XtCallbackProc) wxComboBoxCallback,
  66                  (XtPointer) this);
  67     XtAddCallback (buttonWidget, XmNvalueChangedCallback, (XtCallbackProc) wxComboBoxCallback,
  68                  (XtPointer) this);
  69
  70     int i;
  71     for (i = 0; i < n; i++)
  72     {
  73         XmString str = XmStringCreateLtoR((char*) (const char*) choices[i], XmSTRING_DEFAULT_CHARSET);
  74         XmComboBoxAddItem(buttonWidget, str, 0);
  75         XmStringFree(str);
  76         m_stringList.Add(choices[i]);
  77     }
  78     m_noStrings = n;
  79
  80     m_mainWidget = (Widget) buttonWidget;
  81
  82     XtManageChild (buttonWidget);
  83
  84     SetValue(value);
  85
  86     SetCanAddEventHandler(TRUE);
  87     AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
  88
  89     SetFont(* parent->GetFont());
  90     ChangeBackgroundColour();
  91
  92     return TRUE;
  93 }
  94
  95 wxString wxComboBox::GetValue() const
  96 {
  97     char *s = XmComboBoxGetString ((Widget) m_mainWidget);
  98     if (s)
  99     {
 100         wxString str(s);
 101         XtFree (s);
 102         return str;
 103     }
 104     else
 105         return wxEmptyString;
 106 }
 107
 108 void wxComboBox::SetValue(const wxString& value)
 109 {
 110     m_inSetValue = TRUE;
 111     if (!value.IsNull())
 112         XmComboBoxSetString ((Widget) m_mainWidget, (char*) (const char*) value);
 113     m_inSetValue = FALSE;
 114 }
 115
 116 // Clipboard operations
 117 void wxComboBox::Copy()
 118 {
 119     XmComboBoxCopy((Widget) m_mainWidget, CurrentTime);
 120 }
 121
 122 void wxComboBox::Cut()
 123 {
 124     XmComboBoxCut((Widget) m_mainWidget, CurrentTime);
 125 }
 126
 127 void wxComboBox::Paste()
 128 {
 129     XmComboBoxPaste((Widget) m_mainWidget);
 130 }
 131
 132 void wxComboBox::SetEditable(bool editable)
 133 {
 134     // TODO
 135 }
 136
 137 void wxComboBox::SetInsertionPoint(long pos)
 138 {
 139     XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
 140 }
 141
 142 void wxComboBox::SetInsertionPointEnd()
 143 {
 144     XmTextPosition pos = XmComboBoxGetLastPosition ((Widget) m_mainWidget);
 145     XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) (pos + 1));
 146 }
 147
 148 long wxComboBox::GetInsertionPoint() const
 149 {
 150     return (long) XmComboBoxGetInsertionPosition ((Widget) m_mainWidget);
 151 }
 152
 153 long wxComboBox::GetLastPosition() const
 154 {
 155     return (long) XmComboBoxGetLastPosition ((Widget) m_mainWidget);
 156 }
 157
 158 void wxComboBox::Replace(long from, long to, const wxString& value)
 159 {
 160     XmComboBoxReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
 161                  (char*) (const char*) value);
 162 }
 163
 164 void wxComboBox::Remove(long from, long to)
 165 {
 166     XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
 167                       (Time) 0);
 168     XmComboBoxRemove ((Widget) m_mainWidget);
 169 }
 170
 171 void wxComboBox::SetSelection(long from, long to)
 172 {
 173     XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
 174                       (Time) 0);
 175 }
 176
 177 void  wxComboBoxCallback (Widget w, XtPointer clientData,
 178                    XmComboBoxSelectionCallbackStruct * cbs)
 179 {
 180     wxComboBox *item = (wxComboBox *) clientData;
 181
 182     switch (cbs->reason)
 183     {
 184         case XmCR_SINGLE_SELECT:
 185         case XmCR_BROWSE_SELECT:
 186         {
 187             wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED, item->GetId());
 188                 event.m_commandInt = cbs->index - 1;
 189                 //              event.m_commandString = item->GetString (event.m_commandInt);
 190                 event.m_extraLong = TRUE;
 191                 event.SetEventObject(item);
 192                 item->ProcessCommand (event);
 193                 break;
 194         }
 195         case XmCR_VALUE_CHANGED:
 196         {
 197             wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
 198                 event.m_commandInt = -1;
 199                 //              event.m_commandString = item->GetValue();
 200                 event.m_extraLong = TRUE;
 201                 event.SetEventObject(item);
 202                 item->ProcessCommand (event);
 203             break;
 204         }
 205         default:
 206             break;
 207     }
 208 }
 209
 210 void wxComboBox::ChangeFont()
 211 {
 212     // Don't use the base class wxChoice's ChangeFont
 213     wxWindow::ChangeFont();
 214 }
 215
 216 void wxComboBox::ChangeBackgroundColour()
 217 {
 218     wxWindow::ChangeBackgroundColour();
 219 }
 220
 221 void wxComboBox::ChangeForegroundColour()
 222 {
 223     wxWindow::ChangeBackgroundColour();
 224 }
 225
 226 #endif
 227