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More GTK+ menu work.

This commit is contained in:
Pietro Gagliardi 2015-04-23 15:30:37 -04:00
parent cfc4dfb787
commit 1ceb07dcbb
1 changed files with 93 additions and 2 deletions
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95
new/unix/menu.c
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@ -18,8 +18,11 @@ struct menuItem {
int type;
void (*onClicked)(uiMenuItem *, uiWindow *, void *);
void *onClickedData;
GtkWidget *baseItem; // for property binding
const char *signal;
GCallback signalFunc;
GtkWidget *baseItem; // template for new instances; kept in sync with everything else
GHashTable *uiWindows; // map[GtkMenuItem]uiWindow
GHashTable *checkedSignals; // map[GtkMenuItem]gulong
};
enum {
@ -33,6 +36,82 @@ enum {
#define NEWHASH() g_hash_table_new(g_direct_hash, g_direct_equal)
static void onClicked(GtkMenuItem *menuitem, gpointer data)
{
struct menuItem *item = (struct menuItem *) data;
uiWindow *w;
w = uiWindow(g_hash_table_lookup(item->uiWindows, menuitem));
(*(item->onClicked))(uiMenuItem(item), w, item->onClickedData);
}
static void onToggled(GtkCheckMenuItem *menuitem, gpointer data)
{
struct menuItem *item = (struct menuItem *) data;
gboolean checked;
GHashTableIter iter;
gpointer widget;
gulong signal;
// get the checked state of /the item that triggered the signal/
checked = gtk_check_menu_item_get_active(menuitem);
// sync it with our template
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item->baseItem), checked);
// then sync everything else
g_hash_table_iter_init(&iter, item->uiWindows);
while (g_hash_table_iter_next(&iter, &widget, NULL)) {
signal = (gulong) g_hash_table_lookup(item->checkedSignals, widget);
// don't allow toggling to recursively trigger this signal
g_signal_handler_block(widget, signal);
gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(widget), checked);
g_signal_handler_unblock(widget, signal);
}
// and finally fire our signal
// once again, do it on /the item that triggered the signal/
onClicked(GTK_MENU_ITEM(menuitem), item);
}
static void defaultOnClicked(uiMenuItem *item, uiWindow *w, void *data)
{
// do nothing
}
static void menuItemEnableDisable(struct menuItem *item, gboolean enabled)
{
GHashTableIter iter;
gpointer widget;
gtk_widget_set_sensitive(item->baseItem, enabled);
g_hash_table_iter_init(&iter, item->uiWindows);
while (g_hash_table_iter_next(&iter, &widget, NULL))
gtk_widget_set_sensitive(GTK_WIDGET(widget), enabled);
}
static void menuItemEnable(uiMenuItem *ii)
{
struct menuItem *item = (struct menuItem *) ii;
menuItemEnableDisable(item, TRUE);
}
static void menuItemDisable(uiMenuItem *ii)
{
struct menuItem *item = (struct menuItem *) ii;
menuItemEnableDisable(item, FALSE);
}
static void menuItemOnClicked(uiMenuItem *ii, void (*f)(uiMenuItem *, uiWindow *, void *), void *data)
{
struct menuItem *item = (struct menuItem *) ii;
item->onClicked = f;
item->onClickedData = data;
}
static uiMenuItem *newItem(struct menu *m, int type, const char *name)
{
struct menuItem *item;
@ -61,21 +140,31 @@ static uiMenuItem *newItem(struct menu *m, int type, const char *name)
break;
}
item->onClicked = defaultOnClicked;
switch (item->type) {
case typeCheckbox:
item->baseItem = gtk_check_menu_item_new_with_label(item->name);
item->signal = "toggled";
item->signalFunc = G_CALLBACK(onToggled);
break;
case typeSeparator:
item->baseItem = gtk_separator_menu_item_new();
break;
default:
item->baseItem = gtk_menu_item_new_with_label(item->name);
item->signal = "activate";
item->signalFunc = G_CALLBACK(onClicked);
break;
}
item->uiWindows = NEWHASH();
item->checkedSignals = NEWHASH();
// TODO vtable
uiMenuItem(item)->Enable = menuItemEnable;
uiMenuItem(item)->Disable = menuItemDisable;
uiMenuItem(item)->OnClicked = menuItemOnClicked;
// TODO checked/setchecked
return uiMenuItem(item);
}
@ -151,6 +240,8 @@ uiMenu *uiNewMenu(const char *name)
/*
void menuItemDestroy(struct menuItem *item)
{
// TODO check that item->checkedSignals is empty
g_hash_table_destroy(item->checkedSignals);
// TODO checck that item->uiWindows is empty
g_hash_table_destroy(item->uiWindows);
gtk_widget_destroy(item->baseItem);