2015-04-23 12:11:36 -05:00
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// 23 april 2015
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#include "uipriv_unix.h"
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static GArray *menus = NULL;
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static gboolean menusFinalized = FALSE;
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struct menu {
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uiMenu m;
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char *name;
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GHashTable *gtkMenuItems; // map[GtkWindow]GtkMenuItem
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GHashTable *gtkSubmenus; // map[GtkWindow]GtkMenu
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GArray *items; // []struct menuItem
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};
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struct menuItem {
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uiMenuItem mi;
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char *name;
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int type;
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void (*onClicked)(uiMenuItem *, uiWindow *, void *);
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void *onClickedData;
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2015-04-23 14:30:37 -05:00
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const char *signal;
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GCallback signalFunc;
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GtkWidget *baseItem; // template for new instances; kept in sync with everything else
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2015-04-23 12:11:36 -05:00
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GHashTable *uiWindows; // map[GtkMenuItem]uiWindow
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2015-04-23 14:30:37 -05:00
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GHashTable *checkedSignals; // map[GtkMenuItem]gulong
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2015-04-23 12:11:36 -05:00
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};
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enum {
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typeRegular,
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typeCheckbox,
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typeQuit,
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typePreferences,
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typeAbout,
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typeSeparator,
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};
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#define NEWHASH() g_hash_table_new(g_direct_hash, g_direct_equal)
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2015-04-23 14:30:37 -05:00
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static void onClicked(GtkMenuItem *menuitem, gpointer data)
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{
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struct menuItem *item = (struct menuItem *) data;
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uiWindow *w;
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w = uiWindow(g_hash_table_lookup(item->uiWindows, menuitem));
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(*(item->onClicked))(uiMenuItem(item), w, item->onClickedData);
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}
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static void onToggled(GtkCheckMenuItem *menuitem, gpointer data)
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{
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struct menuItem *item = (struct menuItem *) data;
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gboolean checked;
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GHashTableIter iter;
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gpointer widget;
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gulong signal;
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// get the checked state of /the item that triggered the signal/
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checked = gtk_check_menu_item_get_active(menuitem);
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// sync it with our template
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gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item->baseItem), checked);
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// then sync everything else
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g_hash_table_iter_init(&iter, item->uiWindows);
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while (g_hash_table_iter_next(&iter, &widget, NULL)) {
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signal = (gulong) g_hash_table_lookup(item->checkedSignals, widget);
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// don't allow toggling to recursively trigger this signal
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g_signal_handler_block(widget, signal);
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gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(widget), checked);
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g_signal_handler_unblock(widget, signal);
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}
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// and finally fire our signal
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// once again, do it on /the item that triggered the signal/
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onClicked(GTK_MENU_ITEM(menuitem), item);
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}
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static void defaultOnClicked(uiMenuItem *item, uiWindow *w, void *data)
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{
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// do nothing
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}
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static void menuItemEnableDisable(struct menuItem *item, gboolean enabled)
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{
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GHashTableIter iter;
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gpointer widget;
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gtk_widget_set_sensitive(item->baseItem, enabled);
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g_hash_table_iter_init(&iter, item->uiWindows);
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while (g_hash_table_iter_next(&iter, &widget, NULL))
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gtk_widget_set_sensitive(GTK_WIDGET(widget), enabled);
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}
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static void menuItemEnable(uiMenuItem *ii)
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{
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struct menuItem *item = (struct menuItem *) ii;
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menuItemEnableDisable(item, TRUE);
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}
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static void menuItemDisable(uiMenuItem *ii)
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{
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struct menuItem *item = (struct menuItem *) ii;
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menuItemEnableDisable(item, FALSE);
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}
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static void menuItemOnClicked(uiMenuItem *ii, void (*f)(uiMenuItem *, uiWindow *, void *), void *data)
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{
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struct menuItem *item = (struct menuItem *) ii;
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item->onClicked = f;
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item->onClickedData = data;
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}
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2015-04-23 12:11:36 -05:00
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static uiMenuItem *newItem(struct menu *m, int type, const char *name)
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{
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struct menuItem *item;
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if (menusFinalized)
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complain("attempt to create a new menu item after menus have been finalized");
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g_array_set_size(m->items, m->items->len + 1);
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item = &g_array_index(m->items, struct menuItem, m->items->len - 1);
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item->type = type;
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switch (item->type) {
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case typeQuit:
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item->name = g_strdup("Quit");
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break;
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case typePreferences:
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item->name = g_strdup("Preferences...");
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break;
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case typeAbout:
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item->name = g_strdup("About");
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break;
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case typeSeparator:
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break;
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default:
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item->name = g_strdup(name);
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break;
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}
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2015-04-23 14:30:37 -05:00
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item->onClicked = defaultOnClicked;
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2015-04-23 12:11:36 -05:00
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switch (item->type) {
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case typeCheckbox:
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item->baseItem = gtk_check_menu_item_new_with_label(item->name);
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item->signal = "toggled";
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item->signalFunc = G_CALLBACK(onToggled);
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2015-04-23 12:11:36 -05:00
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break;
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case typeSeparator:
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item->baseItem = gtk_separator_menu_item_new();
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break;
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default:
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item->baseItem = gtk_menu_item_new_with_label(item->name);
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item->signal = "activate";
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item->signalFunc = G_CALLBACK(onClicked);
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break;
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}
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item->uiWindows = NEWHASH();
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2015-04-23 14:30:37 -05:00
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item->checkedSignals = NEWHASH();
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2015-04-23 12:11:36 -05:00
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2015-04-23 14:30:37 -05:00
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uiMenuItem(item)->Enable = menuItemEnable;
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uiMenuItem(item)->Disable = menuItemDisable;
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uiMenuItem(item)->OnClicked = menuItemOnClicked;
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// TODO checked/setchecked
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2015-04-23 12:11:36 -05:00
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return uiMenuItem(item);
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}
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uiMenuItem *menuAppendItem(uiMenu *mm, const char *name)
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{
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return newItem((struct menu *) mm, typeRegular, name);
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}
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uiMenuItem *menuAppendCheckItem(uiMenu *mm, const char *name)
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{
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return newItem((struct menu *) mm, typeCheckbox, name);
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}
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uiMenuItem *menuAppendQuitItem(uiMenu *mm)
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{
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// TODO check multiple quit items
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// TODO conditionally add separator
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newItem((struct menu *) mm, typeSeparator, NULL);
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return newItem((struct menu *) mm, typeQuit, NULL);
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}
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uiMenuItem *menuAppendPreferencesItem(uiMenu *mm)
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{
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// TODO check multiple preferences items
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// TODO conditionally add separator
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newItem((struct menu *) mm, typeSeparator, NULL);
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return newItem((struct menu *) mm, typePreferences, NULL);
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}
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uiMenuItem *menuAppendAboutItem(uiMenu *mm)
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{
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// TODO check multiple about items
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// TODO conditionally add separator
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newItem((struct menu *) mm, typeSeparator, NULL);
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return newItem((struct menu *) mm, typeAbout, NULL);
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}
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void menuAppendSeparator(uiMenu *mm)
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{
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// TODO check multiple about items
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newItem((struct menu *) mm, typeSeparator, NULL);
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}
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uiMenu *uiNewMenu(const char *name)
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{
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struct menu *m;
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if (menusFinalized)
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complain("attempt to create a new menu after menus have been finalized");
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if (menus == NULL)
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menus = g_array_new(FALSE, TRUE, sizeof (struct menu));
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// thanks Company in irc.gimp.net/#gtk+
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g_array_set_size(menus, menus->len + 1);
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m = &g_array_index(menus, struct menu, menus->len - 1);
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m->name = g_strdup(name);
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m->gtkMenuItems = NEWHASH();
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m->gtkSubmenus = NEWHASH();
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m->items = g_array_new(FALSE, TRUE, sizeof (struct menuItem));
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uiMenu(m)->AppendItem = menuAppendItem;
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uiMenu(m)->AppendCheckItem = menuAppendCheckItem;
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uiMenu(m)->AppendQuitItem = menuAppendQuitItem;
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uiMenu(m)->AppendPreferencesItem = menuAppendPreferencesItem;
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uiMenu(m)->AppendAboutItem = menuAppendAboutItem;
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uiMenu(m)->AppendSeparator = menuAppendSeparator;
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return uiMenu(m);
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}
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/*
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void menuItemDestroy(struct menuItem *item)
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{
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// TODO check that item->checkedSignals is empty
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g_hash_table_destroy(item->checkedSignals);
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2015-04-23 12:11:36 -05:00
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// TODO checck that item->uiWindows is empty
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g_hash_table_destroy(item->uiWindows);
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gtk_widget_destroy(item->baseItem);
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if (item->name != NULL)
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g_free(item->name);
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}
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void menuDestroy(void)
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{
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guint i, j;
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struct menu *m;
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for (i = 0; i < menus->len; i++) {
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m = &g_array_index(menus, struct menu, i);
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for (j = 0; j < m->items->len; j++)
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menuItemDestroy(&g_array_index(m->items, struct menuItem, j));
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g_array_free(m->items, TRUE);
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// TODO check that m->gtkSubmenus is empty
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g_hash_table_destroy(m->gtkSubmenus);
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// TODO check that m->gtkMenuItem is empty
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g_hash_table_destroy(m->gtkMenuItem);
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g_free(m->name);
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}
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g_array_free(menus, TRUE);
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}
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*/
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