src/gtk/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobox.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 "radiobox.h"
  14 #endif
  15
  16 #include "wx/radiobox.h"
  17 #include "wx/dialog.h"
  18 #include "wx/frame.h"
  19 #include "wx/gtk/win_gtk.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // data
  23 //-----------------------------------------------------------------------------
  24
  25 extern bool   g_blockEventsOnDrag;
  26
  27 //-----------------------------------------------------------------------------
  28 // wxRadioBox
  29 //-----------------------------------------------------------------------------
  30
  31 static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioBox *rb )
  32 {
  33   if (!rb->HasVMT()) return;
  34   if (g_blockEventsOnDrag) return;
  35
  36   if (rb->m_alreadySent)
  37   {
  38     rb->m_alreadySent = FALSE;
  39     return;
  40   }
  41
  42   rb->m_alreadySent = TRUE;
  43
  44   wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
  45   event.SetInt( rb->GetSelection() );
  46   wxString tmp( rb->GetStringSelection() );
  47   event.SetString( WXSTRINGCAST(tmp) );
  48   event.SetEventObject( rb );
  49   rb->GetEventHandler()->ProcessEvent(event);
  50 };
  51
  52 //-----------------------------------------------------------------------------
  53
  54 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
  55
  56 wxRadioBox::wxRadioBox(void)
  57 {
  58 };
  59
  60 wxRadioBox::wxRadioBox( wxWindow *parent, wxWindowID id, const wxString& title,
  61       const wxPoint &pos, const wxSize &size,
  62       int n, const wxString choices[],
  63       int majorDim, long style,
  64       const wxString &name )
  65 {
  66   Create( parent, id, title, pos, size, n, choices, majorDim, style, name );
  67 };
  68
  69 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
  70       const wxPoint &pos, const wxSize &size,
  71       int n, const wxString choices[],
  72       int WXUNUSED(majorDim), long style,
  73       const wxString &name )
  74 {
  75   m_alreadySent = FALSE;
  76   m_needParent = TRUE;
  77
  78   PreCreation( parent, id, pos, size, style, name );
  79
  80   m_widget = gtk_frame_new( title );
  81
  82   int x = m_x+5;
  83   int y = m_y+15;
  84   int maxLen = 0;
  85   int height = 20;
  86
  87 //  if (((m_style & wxRA_VERTICAL) == wxRA_VERTICAL) && (n > 0))
  88   if (n > 0)
  89   {
  90     GSList *radio_button_group = NULL;
  91     for (int i = 0; i < n; i++)
  92     {
  93       if (i) radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
  94
  95       m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, choices[i] ) );
  96
  97       if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
  98
  99       gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
 100         GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 101
 102       gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), GTK_WIDGET(m_radio), x, y );
 103
 104       int tmp = 22+gdk_string_measure( GTK_WIDGET(m_radio)->style->font, choices[i] );
 105       if (tmp > maxLen) maxLen = tmp;
 106
 107       int width = m_width-10;
 108       if (size.x == -1) width = tmp;
 109       gtk_widget_set_usize( GTK_WIDGET(m_radio), width, 20 );
 110
 111       y += 20;
 112       height += 20;
 113
 114     };
 115   };
 116
 117   wxSize newSize = size;
 118   if (newSize.x == -1) newSize.x = maxLen+10;
 119   if (newSize.y == -1) newSize.y = height;
 120   SetSize( newSize.x, newSize.y );
 121
 122   PostCreation();
 123
 124   Show( TRUE );
 125
 126   return TRUE;
 127 };
 128
 129 bool wxRadioBox::Show( bool show )
 130 {
 131   wxWindow::Show( show );
 132
 133   GSList *item = gtk_radio_button_group( m_radio );
 134   while (item)
 135   {
 136     GtkWidget *w = GTK_WIDGET( item->data );
 137     if (show) gtk_widget_show( w ); else gtk_widget_hide( w );
 138     item = item->next;
 139   };
 140
 141   return TRUE;
 142 };
 143
 144 int wxRadioBox::FindString( const wxString &s ) const
 145 {
 146   GSList *item = gtk_radio_button_group( m_radio );
 147
 148   int count = g_slist_length(item)-1;
 149
 150   while (item)
 151   {
 152     GtkButton *b = GTK_BUTTON( item->data );
 153     GtkLabel *l = GTK_LABEL( b->child );
 154     if (s == l->label) return count;
 155     count--;
 156     item = item->next;
 157   };
 158
 159   return -1;
 160 };
 161
 162 void wxRadioBox::SetSelection( int n )
 163 {
 164   GSList *item = gtk_radio_button_group( m_radio );
 165   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 166   if (!item) return;
 167
 168   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 169
 170   gtk_toggle_button_set_state( button, 1 );
 171 };
 172
 173 int wxRadioBox::GetSelection(void) const
 174 {
 175   GSList *item = gtk_radio_button_group( m_radio );
 176   int count = 0;
 177   while (item)
 178   {
 179     GtkButton *button = GTK_BUTTON( item->data );
 180     if (GTK_TOGGLE_BUTTON(button)->active) return count;
 181     count++;
 182     item = item->next;
 183   };
 184   return -1;
 185 };
 186
 187 wxString wxRadioBox::GetString( int n ) const
 188 {
 189   GSList *item = gtk_radio_button_group( m_radio );
 190
 191   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 192   if (!item) return "";
 193
 194   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 195
 196   GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 197
 198   return wxString( label->label );
 199 };
 200
 201 wxString wxRadioBox::GetLabel(void) const
 202 {
 203   return wxControl::GetLabel();
 204 };
 205
 206 void wxRadioBox::SetLabel( const wxString& WXUNUSED(label) )
 207 {
 208   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 209 };
 210
 211 void wxRadioBox::SetLabel( int WXUNUSED(item), const wxString& WXUNUSED(label) )
 212 {
 213   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 214 };
 215
 216 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 217 {
 218   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 219 };
 220
 221 wxString wxRadioBox::GetLabel( int WXUNUSED(item) ) const
 222 {
 223   wxFAIL_MSG("wxRadioBox::GetLabel not implemented.");
 224   return "";
 225 };
 226
 227 void wxRadioBox::Enable( bool WXUNUSED(enable) )
 228 {
 229   wxFAIL_MSG("wxRadioBox::Enable not implemented.");
 230 };
 231
 232 void wxRadioBox::Enable( int WXUNUSED(item), bool WXUNUSED(enable) )
 233 {
 234   wxFAIL_MSG("wxRadioBox::Enable not implemented.");
 235 };
 236
 237 void wxRadioBox::Show( int WXUNUSED(item), bool WXUNUSED(show) )
 238 {
 239   wxFAIL_MSG("wxRadioBox::Show not implemented.");
 240 };
 241
 242 wxString wxRadioBox::GetStringSelection(void) const
 243 {
 244   GSList *item = gtk_radio_button_group( m_radio );
 245   while (item)
 246   {
 247     GtkButton *button = GTK_BUTTON( item->data );
 248     if (GTK_TOGGLE_BUTTON(button)->active)
 249     {
 250       GtkLabel *label = GTK_LABEL( button->child );
 251       return label->label;
 252     };
 253     item = item->next;
 254   };
 255   return "";
 256 };
 257
 258 bool wxRadioBox::SetStringSelection( const wxString&s )
 259 {
 260   int res = FindString( s );
 261   if (res == -1) return FALSE;
 262   SetSelection( res );
 263   return TRUE;
 264 };
 265
 266 int wxRadioBox::Number(void) const
 267 {
 268   int count = 0;
 269   GSList *item = gtk_radio_button_group( m_radio );
 270   while (item)
 271   {
 272     item = item->next;
 273     count++;
 274   };
 275   return count;
 276 };
 277
 278 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 279 {
 280   return 1;
 281 };
 282
 283 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 284 {
 285   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 286 };
 287