forked from AuroraMiddleware/gtk
152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
/* This file extracted from the GTK tutorial. */
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/* menufactory.c */
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#include <gtk/gtk.h>
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#include <strings.h>
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#include "mfmain.h"
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static void menus_remove_accel(GtkWidget * widget, gchar * signal_name, gchar * path);
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static gint menus_install_accel(GtkWidget * widget, gchar * signal_name, gchar key, gchar modifiers, gchar * path);
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void menus_init(void);
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void menus_create(GtkMenuEntry * entries, int nmenu_entries);
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/* this is the GtkMenuEntry structure used to create new menus. The
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* first member is the menu definition string. The second, the
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* default accelerator key used to access this menu function with
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* the keyboard. The third is the callback function to call when
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* this menu item is selected (by the accelerator key, or with the
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* mouse.) The last member is the data to pass to your callback function.
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*/
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static GtkMenuEntry menu_items[] =
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{
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{"<Main>/File/New", "<control>N", NULL, NULL},
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{"<Main>/File/Open", "<control>O", NULL, NULL},
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{"<Main>/File/Save", "<control>S", NULL, NULL},
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{"<Main>/File/Save as", NULL, NULL, NULL},
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{"<Main>/File/<separator>", NULL, NULL, NULL},
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{"<Main>/File/Quit", "<control>Q", file_quit_cmd_callback, "OK, I'll quit"},
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{"<Main>/Options/Test", NULL, NULL, NULL}
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};
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/* calculate the number of menu_item's */
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static int nmenu_items = sizeof(menu_items) / sizeof(menu_items[0]);
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static int initialize = TRUE;
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static GtkMenuFactory *factory = NULL;
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static GtkMenuFactory *subfactory[1];
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static GHashTable *entry_ht = NULL;
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void get_main_menu(GtkWidget ** menubar, GtkAcceleratorTable ** table)
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{
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if (initialize)
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menus_init();
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if (menubar)
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*menubar = subfactory[0]->widget;
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if (table)
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*table = subfactory[0]->table;
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}
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void menus_init(void)
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{
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if (initialize) {
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initialize = FALSE;
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factory = gtk_menu_factory_new(GTK_MENU_FACTORY_MENU_BAR);
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subfactory[0] = gtk_menu_factory_new(GTK_MENU_FACTORY_MENU_BAR);
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gtk_menu_factory_add_subfactory(factory, subfactory[0], "<Main>");
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menus_create(menu_items, nmenu_items);
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}
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}
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void menus_create(GtkMenuEntry * entries, int nmenu_entries)
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{
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char *accelerator;
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int i;
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if (initialize)
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menus_init();
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if (entry_ht)
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for (i = 0; i < nmenu_entries; i++) {
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accelerator = g_hash_table_lookup(entry_ht, entries[i].path);
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if (accelerator) {
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if (accelerator[0] == '\0')
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entries[i].accelerator = NULL;
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else
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entries[i].accelerator = accelerator;
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}
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}
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gtk_menu_factory_add_entries(factory, entries, nmenu_entries);
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for (i = 0; i < nmenu_entries; i++)
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if (entries[i].widget) {
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gtk_signal_connect(GTK_OBJECT(entries[i].widget), "install_accelerator",
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(GtkSignalFunc) menus_install_accel,
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entries[i].path);
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gtk_signal_connect(GTK_OBJECT(entries[i].widget), "remove_accelerator",
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(GtkSignalFunc) menus_remove_accel,
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entries[i].path);
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}
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}
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static gint menus_install_accel(GtkWidget * widget, gchar * signal_name, gchar key, gchar modifiers, gchar * path)
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{
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char accel[64];
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char *t1, t2[2];
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accel[0] = '\0';
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if (modifiers & GDK_CONTROL_MASK)
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strcat(accel, "<control>");
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if (modifiers & GDK_SHIFT_MASK)
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strcat(accel, "<shift>");
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if (modifiers & GDK_MOD1_MASK)
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strcat(accel, "<alt>");
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t2[0] = key;
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t2[1] = '\0';
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strcat(accel, t2);
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if (entry_ht) {
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t1 = g_hash_table_lookup(entry_ht, path);
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g_free(t1);
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} else
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entry_ht = g_hash_table_new(g_str_hash, g_str_equal);
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g_hash_table_insert(entry_ht, path, g_strdup(accel));
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return TRUE;
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}
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static void menus_remove_accel(GtkWidget * widget, gchar * signal_name, gchar * path)
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{
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char *t;
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if (entry_ht) {
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t = g_hash_table_lookup(entry_ht, path);
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g_free(t);
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g_hash_table_insert(entry_ht, path, g_strdup(""));
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}
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}
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void menus_set_sensitive(char *path, int sensitive)
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{
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GtkMenuPath *menu_path;
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if (initialize)
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menus_init();
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menu_path = gtk_menu_factory_find(factory, path);
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if (menu_path)
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gtk_widget_set_sensitive(menu_path->widget, sensitive);
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else
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g_warning("Unable to set sensitivity for menu which doesn't exist: %s", path);
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}
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