Added GTK+ listboxes... sort of. This whole thing is so broken it's funny.

2 files changed, 161 insertions, 12 deletions

diff --git a/gtkcalls_unix.go b/gtkcalls_unix.go
index c283034..f7c319e 100644
--- a/gtkcalls_unix.go
+++ b/gtkcalls_unix.go
@@ -13,6 +13,10 @@ import (
 // #include <gtk/gtk.h>
 // /* because cgo is flaky with macros */
 // void gSignalConnect(GtkWidget *widget, char *signal, GCallback callback, void *data) { g_signal_connect(widget, signal, callback, data); }
+// /* 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); }
 import "C"
 
 // BIG TODO reduce the amount of explicit casting
@@ -200,3 +204,133 @@ func gtk_label_set_text(widget *gtkWidget, text string) {
 func gtk_label_get_text(widget *gtkWidget) string {
 	return C.GoString((*C.char)(unsafe.Pointer(C.gtk_label_get_text((*C.GtkLabel)(unsafe.Pointer(widget))))))
 }
+
+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))
+	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))
+	return (*gtkWidget)(unsafe.Pointer(widget))
+}
+
+func gListboxNewSingle() *gtkWidget {
+	return gListboxNew(false)
+}
+
+func gListboxNewMulti() *gtkWidget {
+	return gListboxNew(true)
+}
+
+func gListboxText(widget *gtkWidget) string {
+	var model *C.GtkTreeModel
+	var iter C.GtkTreeIter
+	var gs *C.gchar
+
+	tv := (*C.GtkTreeView)(unsafe.Pointer(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(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(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(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)
+	return int(*C.gtk_tree_path_get_indices(path))
+}
+
+func gListboxSelectedMulti(widget *gtkWidget) (indices []int) {
+	var model *C.GtkTreeModel
+
+	tv := (*C.GtkTreeView)(unsafe.Pointer(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++ {
+		d := (*C.GtkTreeRowReference)(unsafe.Pointer(rows.data))
+		path := C.gtk_tree_row_reference_get_path(d)
+		indices[i] = int(*C.gtk_tree_path_get_indices(path))
+		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(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++ {
+		d := (*C.GtkTreeRowReference)(unsafe.Pointer(rows.data))
+		path := C.gtk_tree_row_reference_get_path(d)
+		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(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)
+}
diff --git a/sysdata_unix.go b/sysdata_unix.go
index fd15e1b..d2e6d16 100644
--- a/sysdata_unix.go
+++ b/sysdata_unix.go
@@ -23,7 +23,8 @@ type classData struct {
 	append	func(widget *gtkWidget, text string)
 	insert	func(widget *gtkWidget, index int, text string)
 	selected	func(widget *gtkWidget) int
-	// ...
+	selMulti	func(widget *gtkWidget) []int
+	smtexts	func(widget *gtkWidget) []string
 	delete	func(widget *gtkWidget, index int)
 	// ...
 	signals	map[string]func(*sysData) func() bool
@@ -98,6 +99,16 @@ var classTypes = [nctypes]*classData{
 		text:		gtk_label_get_text,
 	},
 	c_listbox:		&classData{
+		make:	gListboxNewSingle,
+		makeAlt:	gListboxNewMulti,
+		// TODO setText
+		text:		gListboxText,
+		append:	gListboxAppend,
+		insert:	gListboxInsert,
+		selected:	gListboxSelected,
+		selMulti:	gListboxSelectedMulti,
+		smtexts:	gListboxSelMultiTexts,
+		delete:	gListboxDelete,
 	},
 }
 
@@ -173,7 +184,9 @@ func (s *sysData) hide() error {
 }
 
 func (s *sysData) setText(text string) error {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].setText == nil { return nil }
+	if classTypes[s.ctype].setText == nil {		// does not have concept of text
+		return nil
+	}
 	ret := make(chan struct{})
 	defer close(ret)
 	uitask <- func() {
@@ -185,7 +198,6 @@ if classTypes[s.ctype] == nil || classTypes[s.ctype].setText == nil { return nil
 }
 
 func (s *sysData) setRect(x int, y int, width int, height int) error {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return nil }
 	ret := make(chan struct{})
 	defer close(ret)
 	uitask <- func() {
@@ -207,7 +219,6 @@ func (s *sysData) isChecked() bool {
 }
 
 func (s *sysData) text() string {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { println(s.ctype,"unsupported text()"); return "" }
 	ret := make(chan string)
 	defer close(ret)
 	uitask <- func() {
@@ -217,7 +228,6 @@ if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { println(s.cty
 }
 
 func (s *sysData) append(what string) error {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return nil }
 	ret := make(chan struct{})
 	defer close(ret)
 	uitask <- func() {
@@ -229,7 +239,6 @@ if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return nil }
 }
 
 func (s *sysData) insertBefore(what string, before int) error {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return nil }
 	ret := make(chan struct{})
 	defer close(ret)
 	uitask <- func() {
@@ -241,7 +250,6 @@ if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return nil }
 }
 
 func (s *sysData) selectedIndex() int {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return -1 }
 	ret := make(chan int)
 	defer close(ret)
 	uitask <- func() {
@@ -251,13 +259,21 @@ if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return -1 }
 }
 
 func (s *sysData) selectedIndices() []int {
-	// TODO
-	return nil
+	ret := make(chan []int)
+	defer close(ret)
+	uitask <- func() {
+		ret <- classTypes[s.ctype].selMulti(s.widget)
+	}
+	return <-ret
 }
 
 func (s *sysData) selectedTexts() []string {
-	// TODO
-	return nil
+	ret := make(chan []string)
+	defer close(ret)
+	uitask <- func() {
+		ret <- classTypes[s.ctype].smtexts(s.widget)
+	}
+	return <-ret
 }
 
 func (s *sysData) setWindowSize(width int, height int) error {
@@ -272,7 +288,6 @@ func (s *sysData) setWindowSize(width int, height int) error {
 }
 
 func (s *sysData) delete(index int) error {
-if classTypes[s.ctype] == nil || classTypes[s.ctype].make == nil { return nil }
 	ret := make(chan struct{})
 	defer close(ret)
 	uitask <- func() {