改变GTK 上的菜单的文字属性

来源：互联网发布：android编程兵书 pdf 编辑：程序博客网时间：2024/04/29 04:44

change the word's attribute from the menu of GTK
改变GTK 上的菜单的文字属性

gtk_menu_item_new_with_label ()
GtkWidget* gtk_menu_item_new_with_label (const gchar *label);
Creates a new GtkMenuItem whose child is a GtkLabel.
label :
the text for the label
Returns :

the newly created GtkMenuItem always has a label ,and we can get it's child 's attribute.

新生成的menuitem里面都有一个Label，直接取得其child设置即可

Build the menu and Show it .

生成菜单并且显示它。

｛
GtkMenuShell *menu;
GtkWidget *menuitem;

   menuitem=gtk_menu_item_new_with_label("hello");
   gtk_container_foreach (GTK_CONTAINER(menuitem), menu_set_text, NULL);
   gtk_menu_shell_append(menu,menuitem);

gtk_widget_set_size_request (menuitem, 120, 35);
gtk_widget_show(menuitem);

gtk_menu_popup(GTK_MENU(menu), NULL, NULL, popmenu_set_position, NULL, ev->button, ev->time);

｝

the function to change the word 's attribuates.
改变菜单上的文字属性的函数。
void menu_set_text(GtkWidget * w)
{
g_return_if_fail(w != NULL);

char *bold_text=NULL;
GtkLabel* label = GTK_LABEL(w);

g_return_if_fail(label != NULL);

bold_text = g_markup_printf_escaped ("<span weight=/"bold/">%s</span>", gtk_label_get_text (GTK_LABEL (w)));
gtk_label_set_markup (label, bold_text);
}