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 #include <wx/intl.h>
  17
  18 //-----------------------------------------------------------------------------
  19 // data
  20 //-----------------------------------------------------------------------------
  21
  22 extern bool   g_blockEventsOnDrag;
  23
  24 //-----------------------------------------------------------------------------
  25 // wxComboBox
  26 //-----------------------------------------------------------------------------
  27
  28 //-----------------------------------------------------------------------------
  29 // clicked
  30
  31 static void gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
  32 {
  33   if (!combo->HasVMT()) return;
  34   if (g_blockEventsOnDrag) return;
  35
  36   if (combo->m_alreadySent)
  37   {
  38     combo->m_alreadySent = FALSE;
  39     return;
  40   }
  41
  42   combo->m_alreadySent = TRUE;
  43
  44   wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, combo->GetId());
  45   event.SetInt( combo->GetSelection() );
  46   wxString tmp( combo->GetStringSelection() );
  47   event.SetString( WXSTRINGCAST(tmp) );
  48   event.SetEventObject(combo);
  49   combo->GetEventHandler()->ProcessEvent(event);
  50 };
  51
  52 //-----------------------------------------------------------------------------
  53 // size
  54
  55 /*
  56 static gint gtk_combo_size_callback( GtkCombo *widget, GtkAllocation* alloc, wxComboBox *win )
  57 {
  58   if (!win->HasVMT()) return FALSE;
  59   if (g_blockEventsOnDrag) return FALSE;
  60   if (!widget->button) return FALSE;
  61
  62   widget->button->allocation.x =
  63     alloc->width - widget->button->allocation.width;
  64
  65   return FALSE;
  66 };
  67 */
  68
  69 //-----------------------------------------------------------------------------
  70
  71 IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)
  72
  73 bool wxComboBox::Create(wxWindow *parent, wxWindowID id, const wxString& value,
  74   const wxPoint& pos, const wxSize& size,
  75   int n, const wxString choices[],
  76   long style, const wxString& name )
  77 {
  78   m_alreadySent = FALSE;
  79   m_needParent = TRUE;
  80
  81   PreCreation( parent, id, pos, size, style, name );
  82
  83   m_widget = gtk_combo_new();
  84
  85   wxSize newSize = size;
  86   if (newSize.x == -1) newSize.x = 100;
  87   if (newSize.y == -1) newSize.y = 26;
  88   SetSize( newSize.x, newSize.y );
  89
  90   GtkWidget *list = GTK_COMBO(m_widget)->list;
  91
  92   for (int i = 0; i < n; i++)
  93   {
  94     GtkWidget *list_item;
  95     list_item = gtk_list_item_new_with_label( choices[i] );
  96
  97     gtk_container_add( GTK_CONTAINER(list), list_item );
  98
  99     m_clientData.Append( (wxObject*)NULL );
 100
 101     gtk_widget_show( list_item );
 102
 103     gtk_signal_connect( GTK_OBJECT(list_item), "select",
 104       GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
 105   };
 106
 107   PostCreation();
 108
 109 /*
 110   gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 111     GTK_SIGNAL_FUNC(gtk_combo_size_callback), (gpointer)this );
 112 */
 113
 114   if (!value.IsNull()) SetValue( value );
 115
 116   Show( TRUE );
 117
 118   return TRUE;
 119 };
 120
 121 void wxComboBox::Clear(void)
 122 {
 123   GtkWidget *list = GTK_COMBO(m_widget)->list;
 124   gtk_list_clear_items( GTK_LIST(list), 0, Number() );
 125
 126   m_clientData.Clear();
 127 };
 128
 129 void wxComboBox::Append( const wxString &item )
 130 {
 131   Append( item, (char*)NULL );
 132 };
 133
 134 void wxComboBox::Append( const wxString &item, char *clientData )
 135 {
 136   GtkWidget *list = GTK_COMBO(m_widget)->list;
 137
 138   GtkWidget *list_item;
 139   list_item = gtk_list_item_new_with_label( item );
 140
 141   gtk_signal_connect( GTK_OBJECT(list_item), "select",
 142     GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
 143
 144   gtk_container_add( GTK_CONTAINER(list), list_item );
 145
 146   gtk_widget_show( list_item );
 147
 148   m_clientData.Append( (wxObject*)clientData );
 149 };
 150
 151 void wxComboBox::Delete( int n )
 152 {
 153   GtkWidget *list = GTK_COMBO(m_widget)->list;
 154   gtk_list_clear_items( GTK_LIST(list), n, n );
 155
 156   wxNode *node = m_clientData.Nth( n );
 157   if (!node)
 158   {
 159     wxFAIL_MSG(_("wxComboBox::Delete wrong index"));
 160   }
 161   else
 162     m_clientData.DeleteNode( node );
 163 };
 164
 165 int wxComboBox::FindString( const wxString &item )
 166 {
 167   GtkWidget *list = GTK_COMBO(m_widget)->list;
 168
 169   GList *child = GTK_LIST(list)->children;
 170   int count = 0;
 171   while (child)
 172   {
 173     GtkBin *bin = GTK_BIN( child->data );
 174     GtkLabel *label = GTK_LABEL( bin->child );
 175     if (item == label->label) return count;
 176     count++;
 177     child = child->next;
 178   };
 179   return -1;
 180 };
 181
 182 char* wxComboBox::GetClientData( int n )
 183 {
 184   wxNode *node = m_clientData.Nth( n );
 185   if (node) return (char*)node->Data();
 186   return NULL;
 187 };
 188
 189 void wxComboBox::SetClientData( int n, char * clientData )
 190 {
 191   wxNode *node = m_clientData.Nth( n );
 192   if (node) node->SetData( (wxObject*) clientData );
 193 };
 194
 195 int wxComboBox::GetSelection(void) const
 196 {
 197   GtkWidget *list = GTK_COMBO(m_widget)->list;
 198
 199   GList *selection = GTK_LIST(list)->selection;
 200   if (selection)
 201   {
 202     GList *child = GTK_LIST(list)->children;
 203     int count = 0;
 204     while (child)
 205     {
 206       if (child->data == selection->data) return count;
 207       count++;
 208       child = child->next;
 209     };
 210   };
 211   return -1;
 212 };
 213
 214 wxString wxComboBox::GetString( int n ) const
 215 {
 216   GtkWidget *list = GTK_COMBO(m_widget)->list;
 217
 218   GList *child = g_list_nth( GTK_LIST(list)->children, n );
 219   if (child)
 220   {
 221     GtkBin *bin = GTK_BIN( child->data );
 222     GtkLabel *label = GTK_LABEL( bin->child );
 223     return label->label;
 224   };
 225   return "";
 226 };
 227
 228 wxString wxComboBox::GetStringSelection(void) const
 229 {
 230   GtkWidget *list = GTK_COMBO(m_widget)->list;
 231
 232   GList *selection = GTK_LIST(list)->selection;
 233   if (selection)
 234   {
 235     GtkBin *bin = GTK_BIN( selection->data );
 236     wxString tmp = GTK_LABEL( bin->child )->label;
 237     return tmp;
 238   };
 239   return "";
 240 };
 241
 242 int wxComboBox::Number(void) const
 243 {
 244   GtkWidget *list = GTK_COMBO(m_widget)->list;
 245
 246   GList *child = GTK_LIST(list)->children;
 247   int count = 0;
 248   while (child) { count++; child = child->next; };
 249   return count;
 250 };
 251
 252 void wxComboBox::SetSelection( int n )
 253 {
 254   GtkWidget *list = GTK_COMBO(m_widget)->list;
 255   gtk_list_select_item( GTK_LIST(list), n );
 256 };
 257
 258 void wxComboBox::SetStringSelection( const wxString &string )
 259 {
 260   int res = FindString( string );
 261   if (res == -1) return;
 262   SetSelection( res );
 263 };
 264
 265 wxString wxComboBox::GetValue(void) const
 266 {
 267   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 268   wxString tmp = gtk_entry_get_text( GTK_ENTRY(entry) );
 269   return tmp;
 270 };
 271
 272 void wxComboBox::SetValue( const wxString& value )
 273 {
 274   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 275   wxString tmp = "";
 276   if (!value.IsNull()) tmp = value;
 277   gtk_entry_set_text( GTK_ENTRY(entry), tmp );
 278 };
 279
 280 void wxComboBox::Copy(void)
 281 {
 282   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 283   gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
 284 };
 285
 286 void wxComboBox::Cut(void)
 287 {
 288   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 289   gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
 290 };
 291
 292 void wxComboBox::Paste(void)
 293 {
 294   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 295   gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
 296 };
 297
 298 void wxComboBox::SetInsertionPoint( long pos )
 299 {
 300   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 301   int tmp = (int) pos;
 302   gtk_entry_set_position( GTK_ENTRY(entry), tmp );
 303 };
 304
 305 void wxComboBox::SetInsertionPointEnd(void)
 306 {
 307   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 308   int pos = GTK_ENTRY(entry)->text_length;
 309   SetInsertionPoint( pos-1 );
 310 };
 311
 312 long wxComboBox::GetInsertionPoint(void) const
 313 {
 314   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 315   return (long) GTK_EDITABLE(entry)->current_pos;
 316 };
 317
 318 long wxComboBox::GetLastPosition(void) const
 319 {
 320   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 321   int pos = GTK_ENTRY(entry)->text_length;
 322   return (long) pos-1;
 323 };
 324
 325 void wxComboBox::Replace( long from, long to, const wxString& value )
 326 {
 327   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 328   gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
 329   if (value.IsNull()) return;
 330   gint pos = (gint)to;
 331   gtk_editable_insert_text( GTK_EDITABLE(entry), value, value.Length(), &pos );
 332 };
 333
 334 void wxComboBox::Remove(long from, long to)
 335 {
 336   GtkWidget *entry = GTK_COMBO(m_widget)->entry;
 337   gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
 338 };
 339
 340 void wxComboBox::SetSelection( long WXUNUSED(from), long WXUNUSED(to) )
 341 {
 342 };
 343
 344 void wxComboBox::SetEditable( bool WXUNUSED(editable) )
 345 {
 346 };
 347
 348