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[wxWidgets.git] / src / gtk / listbox.cpp
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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
6a6d4eed 16#include "wx/dynarray.h"
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17#include "wx/listbox.h"
18
19//-----------------------------------------------------------------------------
20// wxListBox
21//-----------------------------------------------------------------------------
22
23void gtk_listitem_select_callback( GtkWidget *widget, gpointer data )
24{
25 wxListBox *listbox = (wxListBox*)data;
26
27 wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
28
29 event.SetInt( listbox->GetIndex( widget ) );
30
31 GtkBin *bin = GTK_BIN( widget );
32 GtkLabel *label = GTK_LABEL( bin->child );
33 wxString tmp( label->label );
34 event.SetString( WXSTRINGCAST(tmp) );
35
36 event.SetEventObject( listbox );
37
38 listbox->ProcessEvent( event );
39};
40
41//-----------------------------------------------------------------------------
42
43IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
44
45wxListBox::wxListBox(void)
46{
47 m_list = NULL;
48};
49
50wxListBox::wxListBox( wxWindow *parent, wxWindowID id,
51 const wxPoint &pos, const wxSize &size,
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52 int n, const wxString choices[],
53 long style, const wxString &name )
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54{
55 Create( parent, id, pos, size, n, choices, style, name );
56};
57
58bool wxListBox::Create( wxWindow *parent, wxWindowID id,
59 const wxPoint &pos, const wxSize &size,
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60 int n, const wxString choices[],
61 long style, const wxString &name )
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62{
63 m_needParent = TRUE;
64
65 PreCreation( parent, id, pos, size, style, name );
66
67 m_widget = gtk_scrolled_window_new( NULL, NULL );
68 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
69 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
70
71 m_list = GTK_LIST( gtk_list_new() );
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72
73 // @@ what's the difference between BROWSE and SINGLE?
74 GtkSelectionMode mode = GTK_SELECTION_BROWSE;
75 if ( style & wxLB_MULTIPLE )
76 mode = GTK_SELECTION_MULTIPLE;
77 else if ( style & wxLB_EXTENDED )
78 mode = GTK_SELECTION_EXTENDED;
79
80 gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
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81
82 gtk_container_add (GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
83 gtk_widget_show( GTK_WIDGET(m_list) );
84
85 for (int i = 0; i < n; i++)
86 {
87 GtkWidget *list_item;
88 list_item = gtk_list_item_new_with_label( choices[i] );
89
90 gtk_signal_connect( GTK_OBJECT(list_item), "select",
91 GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
92
93 gtk_container_add( GTK_CONTAINER(m_list), list_item );
94
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95 m_clientData.Append( (wxObject*)NULL );
96
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97 gtk_widget_show( list_item );
98 };
99
100 PostCreation();
101
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102 gtk_widget_realize( GTK_WIDGET(m_list) );
103
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104 Show( TRUE );
105
106 return TRUE;
107};
108
109void wxListBox::Append( const wxString &item )
110{
111 GtkWidget *list_item;
112 list_item = gtk_list_item_new_with_label( item );
113
114 gtk_signal_connect( GTK_OBJECT(list_item), "select",
115 GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
116
117 gtk_container_add( GTK_CONTAINER(m_list), list_item );
118
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119 m_clientData.Append( (wxObject*)NULL );
120
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121 gtk_widget_show( list_item );
122};
123
e2414cbe 124void wxListBox::Append( const wxString &item, char *clientData )
c801d85f 125{
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126 GtkWidget *list_item;
127 list_item = gtk_list_item_new_with_label( item );
128
129 gtk_signal_connect( GTK_OBJECT(list_item), "select",
130 GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
131
132 gtk_container_add( GTK_CONTAINER(m_list), list_item );
133
134 m_clientData.Append( (wxObject*)clientData );
135
136 gtk_widget_show( list_item );
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137};
138
139void wxListBox::Clear(void)
140{
141 gtk_list_clear_items( m_list, 0, Number() );
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142
143 m_clientData.Clear();
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144};
145
146void wxListBox::Delete( int n )
147{
148 gtk_list_clear_items( m_list, n, n );
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149
150 wxNode *node = m_clientData.Nth( n );
151 if (!node)
152 {
153 wxFAIL_MSG("wxListBox::Delete wrong index");
154 }
155 else
156 m_clientData.DeleteNode( node );
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157};
158
159void wxListBox::Deselect( int n )
160{
161 gtk_list_unselect_item( m_list, n );
162};
163
164int wxListBox::FindString( const wxString &item ) const
165{
166 GList *child = m_list->children;
167 int count = 0;
168 while (child)
169 {
170 GtkBin *bin = GTK_BIN( child->data );
171 GtkLabel *label = GTK_LABEL( bin->child );
172 if (item == label->label) return count;
173 count++;
174 child = child->next;
175 };
176 return -1;
177};
178
e2414cbe 179char *wxListBox::GetClientData( int n ) const
c801d85f 180{
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181 wxNode *node = m_clientData.Nth( n );
182 if (node) return ((char*)node->Data());
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183 return NULL;
184};
185
186int wxListBox::GetSelection(void) const
187{
188 GList *selection = m_list->selection;
189 if (selection)
190 {
191 GList *child = m_list->children;
192 int count = 0;
193 while (child)
194 {
195 if (child->data == selection->data) return count;
196 count++;
197 child = child->next;
198 };
199 };
200 return -1;
201};
202
6a6d4eed 203int wxListBox::GetSelections(wxArrayInt& aSelections) const
c801d85f 204{
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205 // get the number of selected items first
206 GList *child = m_list->children;
207 int count = 0;
208 for ( child = m_list->children; child != NULL; child = child->next ) {
209 if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
210 count++;
211 }
212
213 aSelections.Empty();
214
215 if ( count > 0 ) {
216 // now fill the list
217 aSelections.Alloc(count); // optimization attempt
218 int i = 0;
219 for ( child = m_list->children; child != NULL; child = child->next, i++ ) {
220 if ( GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED )
221 aSelections.Add(i);
222 }
223 }
224
225 return count;
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226};
227
228wxString wxListBox::GetString( int n ) const
229{
230 GList *child = g_list_nth( m_list->children, n );
231 if (child)
232 {
233 GtkBin *bin = GTK_BIN( child->data );
234 GtkLabel *label = GTK_LABEL( bin->child );
235 return label->label;
236 };
237 return "";
238};
239
240wxString wxListBox::GetStringSelection(void) const
241{
242 GList *selection = m_list->selection;
243 if (selection)
244 {
245 GtkBin *bin = GTK_BIN( selection->data );
246 wxString tmp = GTK_LABEL( bin->child )->label;
247 return tmp;
248 };
249 return "";
250};
251
252int wxListBox::Number(void)
253{
254 GList *child = m_list->children;
255 int count = 0;
256 while (child) { count++; child = child->next; };
257 return count;
258};
259
debe6624 260bool wxListBox::Selected( int n )
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261{
262 GList *target = g_list_nth( m_list->children, n );
263 if (target)
264 {
265 GList *child = m_list->selection;
266 while (child)
267 {
268 if (child->data == target->data) return TRUE;
269 child = child->next;
270 };
271 };
272 return FALSE;
273};
274
debe6624 275void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
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276{
277};
278
e2414cbe 279void wxListBox::SetClientData( int n, char *clientData )
c801d85f 280{
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281 wxNode *node = m_clientData.Nth( n );
282 if (node) node->SetData( (wxObject*)clientData );
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283};
284
285void wxListBox::SetFirstItem( int WXUNUSED(n) )
286{
287};
288
289void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
290{
291};
292
debe6624 293void wxListBox::SetSelection( int n, bool select )
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294{
295 if (select)
296 gtk_list_select_item( m_list, n );
297 else
298 gtk_list_unselect_item( m_list, n );
299};
300
debe6624 301void wxListBox::SetString( int WXUNUSED(n), const wxString &WXUNUSED(string) )
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302{
303};
304
debe6624 305void wxListBox::SetStringSelection( const wxString &string, bool select )
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306{
307 SetSelection( FindString(string), select );
308};
309
310int wxListBox::GetIndex( GtkWidget *item ) const
311{
312 if (item)
313 {
314 GList *child = m_list->children;
315 int count = 0;
316 while (child)
317 {
318 if (GTK_WIDGET(child->data) == item) return count;
319 count++;
320 child = child->next;
321 };
322 };
323 return -1;
324};
325
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326GtkWidget *wxListBox::GetDropTargetWidget(void)
327{
328 return GTK_WIDGET(m_list);
329};
330
331
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