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|
(**************************************************************************)
(* Lablgtk - Examples *)
(* *)
(* This code is in the public domain. *)
(* You may freely copy parts of it in your application. *)
(* *)
(**************************************************************************)
type accel = {
action : string;
mask : Gdk.Tags.modifier list;
value : Gdk.keysym;
}
open GdkKeysyms
let list =
[{action="Cut"; mask=[`CONTROL]; value= _X };
{action="Copy"; mask=[`CONTROL]; value= _C };
{action="Paste"; mask=[`CONTROL]; value= _V };
{action="Print"; mask=[`CONTROL]; value= _P };
{action="New"; mask=[`CONTROL]; value= _N };
{action="Open"; mask=[`CONTROL]; value= _O };
{action="Print"; mask=[`CONTROL]; value= _P };
]
let cols = new GTree.column_list
let action = cols#add Gobject.Data.string
let mask = cols#add Gobject.Data.int
let value = cols#add Gobject.Data.uint
let accel_edited (store:GTree.list_store) model path ~accel_key ~accel_mods ~hardware_keycode =
let iter = model#get_iter path in
ignore (store#set ~row:iter ~column:mask accel_mods);
ignore (store#set ~row:iter ~column:value accel_key)
let setup_tree_view (store:GTree.list_store) (treeview:GTree.view) =
let renderer = GTree.cell_renderer_text [] in
let column =
GTree.view_column
~title:"Buy"
~renderer:(renderer,["text",action]) ()
in
ignore (treeview#append_column column);
let renderer = GTree.cell_renderer_accel [`ACCEL_MODE `GTK; `EDITABLE true] in
let column =
GTree.view_column
~title:"Buy"
~renderer:(renderer,[]) ()
in
column#add_attribute renderer "accel-mods" mask;
column#add_attribute renderer "accel-key" value;
ignore (treeview#append_column column);
renderer#connect#accel_edited ~callback:(accel_edited store treeview#model)
let () =
GMain.init ();
let window =
GWindow.window ~kind:`TOPLEVEL ~title:"Accelerator Keys"
~border_width:10
~width:250
~height:250
()
in
let store = GTree.list_store cols in
List.iter
(fun {action=a; mask=m; value=v} ->
let row = store#append () in
store#set ~row ~column:action a;
store#set ~row ~column:mask
(Gpointer.encode_flags GdkEnums.Conv.modifier_tbl m);
store#set ~row ~column:value v;
)
list;
let scrolled_win =
GBin.scrolled_window ~packing:window#add ~hpolicy:`AUTOMATIC
~vpolicy:`AUTOMATIC ()
in
let treeview = GTree.view ~model:store ~packing:scrolled_win#add () in
setup_tree_view store treeview;
window#show ();
window#connect#destroy GMain.quit;
GMain.main ()
(*
This code is an OCaml adaptation of the following C code from
http://www.linuxquestions.org/linux/articles/Technical/New_GTK_Widgets_GtkCellRendererAccel
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
enum
{
ACTION = 0,
MASK,
VALUE,
COLUMNS
};
typedef struct
{
gchar *action;
GdkModifierType mask;
guint value;
} Accelerator;
const Accelerator list[] =
{
{"Cut", GDK_CONTROL_MASK, GDK_X },
{ "Copy", GDK_CONTROL_MASK, GDK_C },
{ "Paste", GDK_CONTROL_MASK, GDK_V },
{ "New", GDK_CONTROL_MASK, GDK_N },
{ "Open", GDK_CONTROL_MASK, GDK_O },
{ "Print", GDK_CONTROL_MASK, GDK_P },
{ NULL, NULL, NULL }
};
static void setup_tree_view (GtkWidget* );
static void accel_edited (GtkCellRendererAccel*, gchar*, guint,
GdkModifierType, guint, GtkTreeView* );
int main (int argc,
char *argv[])
{
GtkWidget *window, *treeview, *scrolled_win;
GtkListStore *store;
GtkTreeIter iter;
guint i = 0;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Accelerator Keys");
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
gtk_widget_set_size_request (window, 250, 250);
treeview = gtk_tree_view_new ();
setup_tree_view (treeview);
store = gtk_list_store_new (COLUMNS, G_TYPE_STRING, G_TYPE_INT, G_TYPE_UINT);
/* Add all of the keyboard accelerators to the GtkListStore. */
while (list[i].action != NULL)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, ACTION, list[i].action,
MASK, (gint) list[i].mask, VALUE, list[i].value, -1);
i++;
}
gtk_tree_view_set_model (GTK_TREE_VIEW (treeview), GTK_TREE_MODEL (store));
g_object_unref (store);
scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (scrolled_win), treeview);
gtk_container_add (GTK_CONTAINER (window), scrolled_win);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
/* Create a tree view with two columns. The first is an action and the
* second is a keyboard accelerator. */
static void
setup_tree_view (GtkWidget *treeview)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes
("Buy", renderer, "text", ACTION, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
renderer = gtk_cell_renderer_accel_new ();
g_object_set (renderer, "accel-mode", GTK_CELL_RENDERER_ACCEL_MODE_GTK,
"editable", TRUE, NULL);
column = gtk_tree_view_column_new_with_attributes ("Buy", renderer,
"accel-mods", MASK, "accel-key", VALUE, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
g_signal_connect (G_OBJECT (renderer), "accel_edited",
G_CALLBACK (accel_edited),
(gpointer) treeview);
}
/* Apply the new keyboard accelerator key and mask to the cell. */
static void
accel_edited (GtkCellRendererAccel *renderer,
gchar *path,
guint accel_key,
GdkModifierType mask,
guint hardware_keycode,
GtkTreeView *treeview)
{
GtkTreeModel *model;
GtkTreeIter iter;
model = gtk_tree_view_get_model (treeview);
if (gtk_tree_model_get_iter_from_string (model, &iter, path))
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
MASK, (gint) mask, VALUE, accel_key, -1);
}
*)
|
