// GetSelection() is a wrapper around gtk_tree_view_get_selection().
func (v *TreeView) GetSelection() (*TreeSelection, error) {
c := C.gtk_tree_view_get_selection(v.native())
if c == nil {
return nil, nilPtrErr
}
return wrapTreeSelection(wrapObject(unsafe.Pointer(c))), nil
}
func gListboxSelMultiTexts(widget *C.GtkWidget) (texts []string) {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
var gs *C.gchar
tv := getTreeViewFrom(widget)
sel := C.gtk_tree_view_get_selection(tv)
rows := C.gtk_tree_selection_get_selected_rows(sel, &model)
defer C.g_list_free_full(rows, C.GDestroyNotify(unsafe.Pointer(C.gtk_tree_path_free)))
len := C.g_list_length(rows)
if len == 0 {
return nil
}
texts = make([]string, len)
for i := C.guint(0); i < len; i++ {
path := (*C.GtkTreePath)(unsafe.Pointer(rows.data))
if C.gtk_tree_model_get_iter(model, &iter, path) == C.FALSE {
panic("gtk_tree_model_get_iter() failed getting Listbox selected texts; reason unknown")
}
C.gtkTreeModelGet(model, &iter, &gs)
texts[i] = fromgstr(gs)
rows = rows.next
}
return texts
}
func finishNewTable(b *tablebase, ty reflect.Type) Table {
widget := C.gtk_tree_view_new()
t := &table{
scroller: newScroller(widget, true, true, false), // natively scrollable; has a border; no overlay
tablebase: b,
treeview: (*C.GtkTreeView)(unsafe.Pointer(widget)),
crtocol: make(map[*C.GtkCellRendererToggle]int),
selected: newEvent(),
}
model := C.newTableModel(unsafe.Pointer(t))
t.model = model
t.modelgtk = (*C.GtkTreeModel)(unsafe.Pointer(model))
t.selection = C.gtk_tree_view_get_selection(t.treeview)
g_signal_connect(
C.gpointer(unsafe.Pointer(t.selection)),
"changed",
C.GCallback(C.tableSelectionChanged),
C.gpointer(unsafe.Pointer(t)))
C.gtk_tree_view_set_model(t.treeview, t.modelgtk)
for i := 0; i < ty.NumField(); i++ {
colname := ty.Field(i).Tag.Get("uicolumn")
if colname == "" {
colname = ty.Field(i).Name
}
cname := togstr(colname)
switch {
case ty.Field(i).Type == reflect.TypeOf((*image.RGBA)(nil)):
// can't use GDK_TYPE_PIXBUF here because it's a macro that expands to a function and cgo hates that
t.types = append(t.types, C.gdk_pixbuf_get_type())
C.tableAppendColumn(t.treeview, C.gint(i), cname,
C.gtk_cell_renderer_pixbuf_new(), attribPixbuf)
case ty.Field(i).Type.Kind() == reflect.Bool:
t.types = append(t.types, C.G_TYPE_BOOLEAN)
cr := C.gtk_cell_renderer_toggle_new()
crt := (*C.GtkCellRendererToggle)(unsafe.Pointer(cr))
t.crtocol[crt] = i
g_signal_connect(C.gpointer(unsafe.Pointer(cr)),
"toggled",
C.GCallback(C.goTableModel_toggled),
C.gpointer(unsafe.Pointer(t)))
C.tableAppendColumn(t.treeview, C.gint(i), cname,
cr, attribActive)
default:
t.types = append(t.types, C.G_TYPE_STRING)
C.tableAppendColumn(t.treeview, C.gint(i), cname,
C.gtk_cell_renderer_text_new(), attribText)
}
freegstr(cname) // free now (not deferred) to conserve memory
}
// and for some GtkTreeModel boilerplate
t.nColumns = C.gint(ty.NumField())
return t
}
func gListboxText(widget *C.GtkWidget) string {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
var gs *C.gchar
tv := getTreeViewFrom(widget)
sel := C.gtk_tree_view_get_selection(tv)
if !fromgbool(C.gtk_tree_selection_get_selected(sel, &model, &iter)) {
return ""
}
C.gtkTreeModelGet(model, &iter, &gs)
return fromgstr(gs)
}
func gListboxNew(multisel bool) *C.GtkWidget {
store := C.gtkListStoreNew()
widget := C.gtk_tree_view_new_with_model((*C.GtkTreeModel)(unsafe.Pointer(store)))
tv := (*C.GtkTreeView)(unsafe.Pointer(widget))
column := C.gtkTreeViewColumnNewWithAttributes(C.gtk_cell_renderer_text_new())
C.gtk_tree_view_column_set_sizing(column, C.GTK_TREE_VIEW_COLUMN_AUTOSIZE)
C.gtk_tree_view_column_set_resizable(column, C.FALSE) // not resizeable by the user; just autoresize
C.gtk_tree_view_append_column(tv, column)
C.gtk_tree_view_set_headers_visible(tv, C.FALSE)
sel := C.GTK_SELECTION_SINGLE
if multisel {
sel = C.GTK_SELECTION_MULTIPLE
}
C.gtk_tree_selection_set_mode(C.gtk_tree_view_get_selection(tv), C.GtkSelectionMode(sel))
scrollarea := C.gtk_scrolled_window_new((*C.GtkAdjustment)(nil), (*C.GtkAdjustment)(nil))
// thanks to jlindgren in irc.gimp.net/#gtk+
C.gtk_scrolled_window_set_shadow_type((*C.GtkScrolledWindow)(unsafe.Pointer(scrollarea)), C.GTK_SHADOW_IN)
C.gtk_container_add((*C.GtkContainer)(unsafe.Pointer(scrollarea)), widget)
return scrollarea
}
func gListboxSelectedMulti(widget *C.GtkWidget) (indices []int) {
var model *C.GtkTreeModel
tv := getTreeViewFrom(widget)
sel := C.gtk_tree_view_get_selection(tv)
rows := C.gtk_tree_selection_get_selected_rows(sel, &model)
defer C.g_list_free_full(rows, C.GDestroyNotify(unsafe.Pointer(C.gtk_tree_path_free)))
// g_list_length() is O(N), but we need the length below, alas
len := C.g_list_length(rows)
if len == 0 {
return nil
}
indices = make([]int, len)
for i := C.guint(0); i < len; i++ {
path := (*C.GtkTreePath)(unsafe.Pointer(rows.data))
idx := C.gtk_tree_path_get_indices(path)
indices[i] = int(*idx)
rows = rows.next
}
return indices
}