src/gtk/listbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "listbox.h"
  14 #endif
  15
  16 #include "wx/listbox.h"
  17
  18 //-----------------------------------------------------------------------------
  19 // wxListBox
  20 //-----------------------------------------------------------------------------
  21
  22 void gtk_listitem_select_callback( GtkWidget *widget, gpointer data )
  23 {
  24   wxListBox *listbox = (wxListBox*)data;
  25
  26   wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
  27
  28   event.SetInt( listbox->GetIndex( widget ) );
  29
  30   GtkBin *bin = GTK_BIN( widget );
  31   GtkLabel *label = GTK_LABEL( bin->child );
  32   wxString tmp( label->label );
  33   event.SetString( WXSTRINGCAST(tmp) );
  34
  35   event.SetEventObject( listbox );
  36
  37   listbox->ProcessEvent( event );
  38 };
  39
  40 //-----------------------------------------------------------------------------
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
  43
  44 wxListBox::wxListBox(void)
  45 {
  46   m_list = NULL;
  47 };
  48
  49 wxListBox::wxListBox( wxWindow *parent, wxWindowID id,
  50       const wxPoint &pos, const wxSize &size,
  51       const int n, const wxString choices[],
  52       const long style, const wxString &name )
  53 {
  54   Create( parent, id, pos, size, n, choices, style, name );
  55 };
  56
  57 bool wxListBox::Create( wxWindow *parent, wxWindowID id,
  58       const wxPoint &pos, const wxSize &size,
  59       const int n, const wxString choices[],
  60       const long style, const wxString &name )
  61 {
  62   m_needParent = TRUE;
  63
  64   PreCreation( parent, id, pos, size, style, name );
  65
  66   m_widget = gtk_scrolled_window_new( NULL, NULL );
  67   gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
  68     GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
  69
  70   m_list = GTK_LIST( gtk_list_new() );
  71   gtk_list_set_selection_mode( GTK_LIST(m_list), GTK_SELECTION_BROWSE );
  72
  73   gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
  74   gtk_widget_show( GTK_WIDGET(m_list) );
  75
  76   for (int i = 0; i < n; i++)
  77   {
  78     GtkWidget *list_item;
  79     list_item = gtk_list_item_new_with_label( choices[i] );
  80
  81     gtk_signal_connect( GTK_OBJECT(list_item), "select",
  82       GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
  83
  84     gtk_container_add( GTK_CONTAINER(m_list), list_item );
  85
  86     gtk_widget_show( list_item );
  87   };
  88
  89   PostCreation();
  90
  91   Show( TRUE );
  92
  93   return TRUE;
  94 };
  95
  96 void wxListBox::Append( const wxString &item )
  97 {
  98   GtkWidget *list_item;
  99   list_item = gtk_list_item_new_with_label( item );
 100
 101  gtk_signal_connect( GTK_OBJECT(list_item), "select",
 102     GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
 103
 104   gtk_container_add( GTK_CONTAINER(m_list), list_item );
 105
 106   gtk_widget_show( list_item );
 107 };
 108
 109 void wxListBox::Append( const wxString &WXUNUSED(item), char *WXUNUSED(clientData) )
 110 {
 111 };
 112
 113 void wxListBox::Clear(void)
 114 {
 115   gtk_list_clear_items( m_list, 0, Number() );
 116 };
 117
 118 void wxListBox::Delete( int n )
 119 {
 120   gtk_list_clear_items( m_list, n, n );
 121 };
 122
 123 void wxListBox::Deselect( int n )
 124 {
 125   gtk_list_unselect_item( m_list, n );
 126 };
 127
 128 int wxListBox::FindString( const wxString &item ) const
 129 {
 130   GList *child = m_list->children;
 131   int count = 0;
 132   while (child)
 133   {
 134     GtkBin *bin = GTK_BIN( child->data );
 135     GtkLabel *label = GTK_LABEL( bin->child );
 136     if (item == label->label) return count;
 137     count++;
 138     child = child->next;
 139   };
 140   return -1;
 141 };
 142
 143 char *wxListBox::GetClientData( const int WXUNUSED(n) ) const
 144 {
 145   return NULL;
 146 };
 147
 148 int wxListBox::GetSelection(void) const
 149 {
 150   GList *selection = m_list->selection;
 151   if (selection)
 152   {
 153     GList *child = m_list->children;
 154     int count = 0;
 155     while (child)
 156     {
 157       if (child->data == selection->data) return count;
 158       count++;
 159       child = child->next;
 160     };
 161   };
 162   return -1;
 163 };
 164
 165 int wxListBox::GetSelections( int **WXUNUSED(selections) ) const
 166 {
 167   return 0;
 168 };
 169
 170 wxString wxListBox::GetString( int n ) const
 171 {
 172   GList *child = g_list_nth( m_list->children, n );
 173   if (child)
 174   {
 175     GtkBin *bin = GTK_BIN( child->data );
 176     GtkLabel *label = GTK_LABEL( bin->child );
 177     return label->label;
 178   };
 179   return "";
 180 };
 181
 182 wxString wxListBox::GetStringSelection(void) const
 183 {
 184   GList *selection = m_list->selection;
 185   if (selection)
 186   {
 187     GtkBin *bin = GTK_BIN( selection->data );
 188     wxString tmp = GTK_LABEL( bin->child )->label;
 189     return tmp;
 190   };
 191   return "";
 192 };
 193
 194 int wxListBox::Number(void)
 195 {
 196   GList *child = m_list->children;
 197   int count = 0;
 198   while (child) { count++; child = child->next; };
 199   return count;
 200 };
 201
 202 bool wxListBox::Selected( const int n )
 203 {
 204   GList *target = g_list_nth( m_list->children, n );
 205   if (target)
 206   {
 207     GList *child = m_list->selection;
 208     while (child)
 209     {
 210       if (child->data == target->data) return TRUE;
 211       child = child->next;
 212     };
 213   };
 214   return FALSE;
 215 };
 216
 217 void wxListBox::Set( const int WXUNUSED(n), const wxString *WXUNUSED(choices) )
 218 {
 219 };
 220
 221 void wxListBox::SetClientData( const int WXUNUSED(n), char *WXUNUSED(clientData) )
 222 {
 223 };
 224
 225 void wxListBox::SetFirstItem( int WXUNUSED(n) )
 226 {
 227 };
 228
 229 void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
 230 {
 231 };
 232
 233 void wxListBox::SetSelection( const int n, const bool select )
 234 {
 235   if (select)
 236     gtk_list_select_item( m_list, n );
 237   else
 238     gtk_list_unselect_item( m_list, n );
 239 };
 240
 241 void wxListBox::SetString( const int WXUNUSED(n), const wxString &WXUNUSED(string) )
 242 {
 243 };
 244
 245 void wxListBox::SetStringSelection( const wxString &string, const bool select )
 246 {
 247   SetSelection( FindString(string), select );
 248 };
 249
 250 int wxListBox::GetIndex( GtkWidget *item ) const
 251 {
 252   if (item)
 253   {
 254     GList *child = m_list->children;
 255     int count = 0;
 256     while (child)
 257     {
 258       if (GTK_WIDGET(child->data) == item) return count;
 259       count++;
 260       child = child->next;
 261     };
 262   };
 263   return -1;
 264 };
 265
 266