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     m_windowFont = parent->GetFont();
  87     ChangeFont(FALSE);
  88
  89     SetCanAddEventHandler(TRUE);
  90     AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
  91
  92     ChangeBackgroundColour();
  93
  94     return TRUE;
  95 }
  96
  97 wxString wxComboBox::GetValue() const
  98 {
  99     char *s = XmComboBoxGetString ((Widget) m_mainWidget);
 100     if (s)
 101     {
 102         wxString str(s);
 103         XtFree (s);
 104         return str;
 105     }
 106     else
 107         return wxEmptyString;
 108 }
 109
 110 void wxComboBox::SetValue(const wxString& value)
 111 {
 112     m_inSetValue = TRUE;
 113     if (!value.IsNull())
 114         XmComboBoxSetString ((Widget) m_mainWidget, (char*) (const char*) value);
 115     m_inSetValue = FALSE;
 116 }
 117
 118 // Clipboard operations
 119 void wxComboBox::Copy()
 120 {
 121     XmComboBoxCopy((Widget) m_mainWidget, CurrentTime);
 122 }
 123
 124 void wxComboBox::Cut()
 125 {
 126     XmComboBoxCut((Widget) m_mainWidget, CurrentTime);
 127 }
 128
 129 void wxComboBox::Paste()
 130 {
 131     XmComboBoxPaste((Widget) m_mainWidget);
 132 }
 133
 134 void wxComboBox::SetEditable(bool editable)
 135 {
 136     // TODO
 137 }
 138
 139 void wxComboBox::SetInsertionPoint(long pos)
 140 {
 141     XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
 142 }
 143
 144 void wxComboBox::SetInsertionPointEnd()
 145 {
 146     XmTextPosition pos = XmComboBoxGetLastPosition ((Widget) m_mainWidget);
 147     XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) (pos + 1));
 148 }
 149
 150 long wxComboBox::GetInsertionPoint() const
 151 {
 152     return (long) XmComboBoxGetInsertionPosition ((Widget) m_mainWidget);
 153 }
 154
 155 long wxComboBox::GetLastPosition() const
 156 {
 157     return (long) XmComboBoxGetLastPosition ((Widget) m_mainWidget);
 158 }
 159
 160 void wxComboBox::Replace(long from, long to, const wxString& value)
 161 {
 162     XmComboBoxReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
 163                  (char*) (const char*) value);
 164 }
 165
 166 void wxComboBox::Remove(long from, long to)
 167 {
 168     XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
 169                       (Time) 0);
 170     XmComboBoxRemove ((Widget) m_mainWidget);
 171 }
 172
 173 void wxComboBox::SetSelection(long from, long to)
 174 {
 175     XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
 176                       (Time) 0);
 177 }
 178
 179 void  wxComboBoxCallback (Widget w, XtPointer clientData,
 180                    XmComboBoxSelectionCallbackStruct * cbs)
 181 {
 182     wxComboBox *item = (wxComboBox *) clientData;
 183
 184     switch (cbs->reason)
 185     {
 186         case XmCR_SINGLE_SELECT:
 187         case XmCR_BROWSE_SELECT:
 188         {
 189             wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED, item->GetId());
 190                 event.m_commandInt = cbs->index - 1;
 191                 //              event.m_commandString = item->GetString (event.m_commandInt);
 192                 event.m_extraLong = TRUE;
 193                 event.SetEventObject(item);
 194                 item->ProcessCommand (event);
 195                 break;
 196         }
 197         case XmCR_VALUE_CHANGED:
 198         {
 199             wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
 200                 event.m_commandInt = -1;
 201                 //              event.m_commandString = item->GetValue();
 202                 event.m_extraLong = TRUE;
 203                 event.SetEventObject(item);
 204                 item->ProcessCommand (event);
 205             break;
 206         }
 207         default:
 208             break;
 209     }
 210 }
 211
 212 void wxComboBox::ChangeFont(bool keepOriginalSize)
 213 {
 214     // Don't use the base class wxChoice's ChangeFont
 215     wxWindow::ChangeFont(keepOriginalSize);
 216 }
 217
 218 void wxComboBox::ChangeBackgroundColour()
 219 {
 220     wxWindow::ChangeBackgroundColour();
 221 }
 222
 223 void wxComboBox::ChangeForegroundColour()
 224 {
 225     wxWindow::ChangeBackgroundColour();
 226 }
 227
 228 #endif
 229