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// +build !windows,!darwin,!plan9
// 17 february 2014
package main
import (
"unsafe"
)
// TODOs:
// - document the magic stuff in the listbox code
// #cgo pkg-config: gtk+-3.0
// #include <stdlib.h>
// #include <gtk/gtk.h>
// /* because cgo seems to choke on ... */
// void gtkTreeModelGet(GtkTreeModel *model, GtkTreeIter *iter, gchar **gs) { gtk_tree_model_get(model, iter, 0, gs, -1); }
// GtkListStore *gtkListStoreNew(void) { return gtk_list_store_new(1, G_TYPE_STRING); }
// void gtkListStoreSet(GtkListStore *ls, GtkTreeIter *iter, char *gs) { gtk_list_store_set(ls, iter, 0, (gchar *) gs, -1); }
// GtkTreeViewColumn *gtkTreeViewColumnNewWithAttributes(GtkCellRenderer *renderer) { return gtk_tree_view_column_new_with_attributes("", renderer, "text", 0, NULL); }
import "C"
func gListboxNew(multisel bool) *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())
// TODO set AUTOSIZE?
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))
C.gtk_container_add((*C.GtkContainer)(unsafe.Pointer(scrollarea)), widget)
return (*gtkWidget)(unsafe.Pointer(scrollarea))
}
func gListboxNewSingle() *gtkWidget {
return gListboxNew(false)
}
func gListboxNewMulti() *gtkWidget {
return gListboxNew(true)
}
func getTreeViewFrom(widget *gtkWidget) *C.GtkWidget {
return C.gtk_bin_get_child((*C.GtkBin)(unsafe.Pointer(widget)))
}
func gListboxText(widget *gtkWidget) string {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
var gs *C.gchar
tv := (*C.GtkTreeView)(unsafe.Pointer(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 C.GoString((*C.char)(unsafe.Pointer(gs)))
}
func gListboxAppend(widget *gtkWidget, what string) {
var iter C.GtkTreeIter
tv := (*C.GtkTreeView)(unsafe.Pointer(getTreeViewFrom(widget)))
ls := (*C.GtkListStore)(unsafe.Pointer(C.gtk_tree_view_get_model(tv)))
C.gtk_list_store_append(ls, &iter)
cwhat := C.CString(what)
defer C.free(unsafe.Pointer(cwhat))
C.gtkListStoreSet(ls, &iter, cwhat)
}
func gListboxInsert(widget *gtkWidget, index int, what string) {
var iter C.GtkTreeIter
tv := (*C.GtkTreeView)(unsafe.Pointer(getTreeViewFrom(widget)))
ls := (*C.GtkListStore)(unsafe.Pointer(C.gtk_tree_view_get_model(tv)))
C.gtk_list_store_insert(ls, &iter, C.gint(index))
cwhat := C.CString(what)
defer C.free(unsafe.Pointer(cwhat))
C.gtkListStoreSet(ls, &iter, cwhat)
}
func gListboxSelected(widget *gtkWidget) int {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
tv := (*C.GtkTreeView)(unsafe.Pointer(getTreeViewFrom(widget)))
sel := C.gtk_tree_view_get_selection(tv)
if !fromgbool(C.gtk_tree_selection_get_selected(sel, &model, &iter)) {
return -1
}
path := C.gtk_tree_model_get_path(model, &iter)
idx := C.gtk_tree_path_get_indices(path)
return int(*idx)
}
func gListboxSelectedMulti(widget *gtkWidget) (indices []int) {
var model *C.GtkTreeModel
tv := (*C.GtkTreeView)(unsafe.Pointer(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
}
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
}
func gListboxSelMultiTexts(widget *gtkWidget) (texts []string) {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
var gs *C.gchar
tv := (*C.GtkTreeView)(unsafe.Pointer(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 !fromgbool(C.gtk_tree_model_get_iter(model, &iter, path)) {
// TODO
return
}
C.gtkTreeModelGet(model, &iter, &gs)
texts[i] = C.GoString((*C.char)(unsafe.Pointer(gs)))
rows = rows.next
}
return texts
}
func gListboxDelete(widget *gtkWidget, index int) {
var iter C.GtkTreeIter
tv := (*C.GtkTreeView)(unsafe.Pointer(getTreeViewFrom(widget)))
ls := (*C.GtkListStore)(unsafe.Pointer(C.gtk_tree_view_get_model(tv)))
if !fromgbool(C.gtk_tree_model_iter_nth_child((*C.GtkTreeModel)(unsafe.Pointer(ls)), &iter, (*C.GtkTreeIter)(nil), C.gint(index))) { // no such index
// TODO
return
}
C.gtk_list_store_remove(ls, &iter)
}
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