src/gtk/combobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        combobox.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 #ifdef __GNUG__
  12 #pragma implementation "combobox.h"
  13 #endif
  14
  15 #include "wx/combobox.h"
  16
  17 //-----------------------------------------------------------------------------
  18 // wxComboBox
  19 //-----------------------------------------------------------------------------
  20
  21 void gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
  22 {
  23   wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, combo->GetId());
  24   event.SetInt( combo->GetSelection() );
  25   wxString tmp( combo->GetStringSelection() );
  26   event.SetString( WXSTRINGCAST(tmp) );
  27   event.SetEventObject(combo);
  28   combo->ProcessEvent(event);
  29 };
  30
  31 //-----------------------------------------------------------------------------
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)
  34
  35 bool wxComboBox::Create(wxWindow *parent, const wxWindowID id, const wxString& value,
  36   const wxPoint& pos, const wxSize& size,
  37   const int n, const wxString choices[],
  38   const long style, const wxString& name )
  39 {
  40   m_needParent = TRUE;
  41
  42   PreCreation( parent, id, pos, size, style, name );
  43
  44   m_widget = gtk_combo_new();
  45
  46   wxSize newSize = size;
  47   if (newSize.x == -1) newSize.x = 100;
  48   if (newSize.y == -1) newSize.y = 26;
  49   SetSize( newSize.x, newSize.y );
  50
  51   GtkWidget *list = GTK_COMBO(m_widget)->list;
  52
  53   for (int i = 0; i < n; i++)
  54   {
  55     GtkWidget *list_item;
  56     list_item = gtk_list_item_new_with_label( choices[i] );
  57
  58     gtk_signal_connect( GTK_OBJECT(list_item), "select",
  59       GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
  60
  61     gtk_container_add( GTK_CONTAINER(list), list_item );
  62
  63     gtk_widget_show( list_item );
  64   };
  65
  66   PostCreation();
  67
  68   if (!value.IsNull()) SetValue( value );
  69
  70   Show( TRUE );
  71
  72   return TRUE;
  73 };
  74
  75 void wxComboBox::Clear(void)
  76 {
  77   GtkWidget *list = GTK_COMBO(m_widget)->list;
  78   gtk_list_clear_items( GTK_LIST(list), 0, Number() );
  79 };
  80
  81 void wxComboBox::Append( const wxString &item )
  82 {
  83   GtkWidget *list = GTK_COMBO(m_widget)->list;
  84
  85   GtkWidget *list_item;
  86   list_item = gtk_list_item_new_with_label( item );
  87
  88  gtk_signal_connect( GTK_OBJECT(list_item), "select",
  89     GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
  90
  91   gtk_container_add( GTK_CONTAINER(list), list_item );
  92
  93   gtk_widget_show( list_item );
  94 };
  95
  96 void wxComboBox::Append( const wxString &WXUNUSED(item), char* WXUNUSED(clientData) )
  97 {
  98 };
  99
 100 void wxComboBox::Delete( const int n )
 101 {
 102   GtkWidget *list = GTK_COMBO(m_widget)->list;
 103   gtk_list_clear_items( GTK_LIST(list), n, n );
 104 };
 105
 106 int wxComboBox::FindString( const wxString &item )
 107 {
 108   GtkWidget *list = GTK_COMBO(m_widget)->list;
 109
 110   GList *child = GTK_LIST(list)->children;
 111   int count = 0;
 112   while (child)
 113   {
 114     GtkBin *bin = GTK_BIN( child->data );
 115     GtkLabel *label = GTK_LABEL( bin->child );
 116     if (item == label->label) return count;
 117     count++;
 118     child = child->next;
 119   };
 120   return -1;
 121 };
 122
 123 char* wxComboBox::GetClientData( const int n )
 124 {
 125   wxNode *node = m_clientData.Nth( n );
 126   if (node) return (char*)node->Data();
 127   return NULL;
 128 };
 129
 130 void wxComboBox::SetClientData( const int n, char * clientData )
 131 {
 132   wxNode *node = m_clientData.Nth( n );
 133   if (node) node->SetData( (wxObject*) clientData );
 134 };
 135
 136 int wxComboBox::GetSelection(void) const
 137 {
 138   GtkWidget *list = GTK_COMBO(m_widget)->list;
 139
 140   GList *selection = GTK_LIST(list)->selection;
 141   if (selection)
 142   {
 143     GList *child = GTK_LIST(list)->children;
 144     int count = 0;
 145     while (child)
 146     {
 147       if (child->data == selection->data) return count;
 148       count++;
 149       child = child->next;
 150     };
 151   };
 152   return -1;
 153 };
 154
 155 wxString wxComboBox::GetString( const int n ) const
 156 {
 157   GtkWidget *list = GTK_COMBO(m_widget)->list;
 158
 159   GList *child = g_list_nth( GTK_LIST(list)->children, n );
 160   if (child)
 161   {
 162     GtkBin *bin = GTK_BIN( child->data );
 163     GtkLabel *label = GTK_LABEL( bin->child );
 164     return label->label;
 165   };
 166   return "";
 167 };
 168
 169 wxString wxComboBox::GetStringSelection(void) const
 170 {
 171   GtkWidget *list = GTK_COMBO(m_widget)->list;
 172
 173   GList *selection = GTK_LIST(list)->selection;
 174   if (selection)
 175   {
 176     GtkBin *bin = GTK_BIN( selection->data );
 177     wxString tmp = GTK_LABEL( bin->child )->label;
 178     return tmp;
 179   };
 180   return "";
 181 };
 182
 183 int wxComboBox::Number(void) const
 184 {
 185   GtkWidget *list = GTK_COMBO(m_widget)->list;
 186
 187   GList *child = GTK_LIST(list)->children;
 188   int count = 0;
 189   while (child) { count++; child = child->next; };
 190   return count;
 191 };
 192
 193 void wxComboBox::SetSelection( const int n )
 194 {
 195   GtkWidget *list = GTK_COMBO(m_widget)->list;
 196   gtk_list_select_item( GTK_LIST(list), n );
 197 };
 198
 199 wxString wxComboBox::GetValue(void) const
 200 {
 201   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 202   wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) );
 203   return tmp;
 204 };
 205
 206 void wxComboBox::SetValue( const wxString& value )
 207 {
 208   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 209   wxString tmp = "";
 210   if (!value.IsNull()) tmp = value;
 211   gtk_entry_set_text( GTK_ENTRY(entry), tmp );
 212 };
 213
 214 void wxComboBox::Copy(void)
 215 {
 216   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 217   gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
 218 };
 219
 220 void wxComboBox::Cut(void)
 221 {
 222   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 223   gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
 224 };
 225
 226 void wxComboBox::Paste(void)
 227 {
 228   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 229   gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
 230 };
 231
 232 void wxComboBox::SetInsertionPoint( const long pos )
 233 {
 234   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 235   int tmp = (int) pos;
 236   gtk_entry_set_position( GTK_ENTRY(entry), tmp );
 237 };
 238
 239 void wxComboBox::SetInsertionPointEnd(void)
 240 {
 241   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 242   int pos = GTK_ENTRY(entry)->text_length;
 243   SetInsertionPoint( pos-1 );
 244 };
 245
 246 long wxComboBox::GetInsertionPoint(void) const
 247 {
 248   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 249   return (long) GTK_EDITABLE(entry)->current_pos;
 250 };
 251
 252 long wxComboBox::GetLastPosition(void) const
 253 {
 254   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 255   int pos = GTK_ENTRY(entry)->text_length;
 256   return (long) pos-1;
 257 };
 258
 259 void wxComboBox::Replace( const long from, const long to, const wxString& value )
 260 {
 261   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 262   gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
 263   if (value.IsNull()) return;
 264   gint pos = (gint)to;
 265   gtk_editable_insert_text( GTK_EDITABLE(entry), value, value.Length(), &pos );
 266 };
 267
 268 void wxComboBox::Remove(const long from, const long to)
 269 {
 270   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 271   gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
 272 };
 273
 274 void wxComboBox::SetSelection( const long WXUNUSED(from), const long WXUNUSED(to) )
 275 {
 276 };
 277
 278 void wxComboBox::SetEditable( const bool WXUNUSED(editable) )
 279 {
 280 };
 281
 282