⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 sec-manualmenuexample.html

📁 gtk 开发手册和参考文档。 包括gtk glib gdk等
💻 HTML
字号:
<HTML><HEAD><TITLE>Manual Menu Example</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.49"><LINKREL="HOME"TITLE="GTK+ 1.2 Tutorial"HREF="gtk-tut.html"><LINKREL="UP"TITLE="Menu Widget"HREF="ch-menuwidget.html"><LINKREL="PREVIOUS"TITLE="Menu Widget"HREF="ch-menuwidget.html"><LINKREL="NEXT"TITLE="Using ItemFactory"HREF="sec-usingitemfactory.html"></HEAD></head><body bgcolor="#FFFFFF" marginheight=0 marginwidth=0 width="100%"><table cellspacing=6 border=0 cellpadding=0 width="100%">  <tr>    <td bgcolor="#FFFFFF" valign=top nowrap>    <centeR><A HREF="/"><img src="/images/gtk-logo-rgb.gif" width=107 height=140 border=0></A>      <font face="helvetica,lucidia" color="#000000"><BR><BR><b>GTK+<BR>The GIMP Toolkit</b></center><BR><table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>General</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="/">Introduction</A><BR><A HREF="/screenshots/">Screenshots</A><br><A HREF="/download/">Download</A><br><A HREF="/mailinglists.html">Mailing Lists</A><BR><A HREF="/bindings.html">Language Bindings</A><BR><A HREF="http://gtk.themes.org/">Themes</A><BR><A HREF="/bugs.html">Bug Tracker</A><BR></td></tr></table></td></tr></table><BR>  <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>Documentation</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="/faq/">FAQ</A><br><A HREF="/tutorial/">Tutorial</A><BR><A HREF="/api/">API Reference</A><br><A HREF="/books.html">Published Books</A><BR></td></tr></table></td></tr></table><BR>  <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>Projects</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="http://www.pango.org/">Pango</A><BR><A HREF="http://sources.redhat.com/inti/">Inti</A><BR><A HREF="http://www.gnome.org/">GNOME</A><BR><A HREF="http://user.sgic.fi/~tml/gimp/win32/">GTK+ for Win32</A><br><A HREF="http://people.redhat.com/sopwith/gtkfb/">GtkFB (Framebuffer)</A><br><A HREF="http://www.directfb.org/gtk.xml">GTK+ on DirectFB</A><BR><A HREF="/beos/">GTK+ for BeOS</A></td></tr></table></td></tr></table><BR>  <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B><B>Applications</B></B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="http://www.gimp.org/">GIMP</A><BR><A HREF="http://www.abiword.org/">Abiword</A><BR><A HREF="http://www.lysator.liu.se/~alla/dia/dia.html">Dia</A><BR><A HREF="http://glade.pn.org/">Glade</A><BR><A HREF="http://www.gnucash.org/">GnuCash</A><BR><A HREF="http://www.gnome.org/projects/gnumeric/">Gnumeric</A><BR><BR><A HREF="http://www.gnome.org/applist/">GNOME Software Map</A><br></td></tr></table></td></tr></table><BR>      </td>  <td bgcolor="#ffffff" valign=top width="99%"><font face="lucida,helvetica"><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">GTK+ 1.2 Tutorial</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="ch-menuwidget.html">&#60;&#60;&#60; Previous</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 14. Menu Widget</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sec-usingitemfactory.html">Next &#62;&#62;&#62;</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="SEC-MANUALMENUEXAMPLE">14.2. Manual Menu Example</A></H1><P>That should about do it. Let's take a look at an example to help clarify.</P><TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="PROGRAMLISTING">/* example-start menu menu.c */#include &#60;stdio.h&#62;#include &#60;gtk/gtk.h&#62;static gint button_press (GtkWidget *, GdkEvent *);static void menuitem_response (gchar *);int main( int   argc,          char *argv[] ){    GtkWidget *window;    GtkWidget *menu;    GtkWidget *menu_bar;    GtkWidget *root_menu;    GtkWidget *menu_items;    GtkWidget *vbox;    GtkWidget *button;    char buf[128];    int i;    gtk_init (&#38;argc, &#38;argv);    /* create a new window */    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);    gtk_widget_set_usize (GTK_WIDGET (window), 200, 100);    gtk_window_set_title (GTK_WINDOW (window), "GTK Menu Test");    gtk_signal_connect (GTK_OBJECT (window), "delete_event",                        (GtkSignalFunc) gtk_main_quit, NULL);    /* Init the menu-widget, and remember -- never     * gtk_show_widget() the menu widget!!      * This is the menu that holds the menu items, the one that     * will pop up when you click on the "Root Menu" in the app */    menu = gtk_menu_new ();    /* Next we make a little loop that makes three menu-entries for "test-menu".     * Notice the call to gtk_menu_append.  Here we are adding a list of     * menu items to our menu.  Normally, we'd also catch the "clicked"     * signal on each of the menu items and setup a callback for it,     * but it's omitted here to save space. */    for (i = 0; i &#60; 3; i++)        {            /* Copy the names to the buf. */            sprintf (buf, "Test-undermenu - %d", i);            /* Create a new menu-item with a name... */            menu_items = gtk_menu_item_new_with_label (buf);            /* ...and add it to the menu. */            gtk_menu_append (GTK_MENU (menu), menu_items);	    /* Do something interesting when the menuitem is selected */	    gtk_signal_connect_object (GTK_OBJECT (menu_items), "activate",		GTK_SIGNAL_FUNC (menuitem_response), (gpointer) g_strdup (buf));            /* Show the widget */            gtk_widget_show (menu_items);        }    /* This is the root menu, and will be the label     * displayed on the menu bar.  There won't be a signal handler attached,     * as it only pops up the rest of the menu when pressed. */    root_menu = gtk_menu_item_new_with_label ("Root Menu");    gtk_widget_show (root_menu);    /* Now we specify that we want our newly created "menu" to be the menu     * for the "root menu" */    gtk_menu_item_set_submenu (GTK_MENU_ITEM (root_menu), menu);    /* A vbox to put a menu and a button in: */    vbox = gtk_vbox_new (FALSE, 0);    gtk_container_add (GTK_CONTAINER (window), vbox);    gtk_widget_show (vbox);    /* Create a menu-bar to hold the menus and add it to our main window */    menu_bar = gtk_menu_bar_new ();    gtk_box_pack_start (GTK_BOX (vbox), menu_bar, FALSE, FALSE, 2);    gtk_widget_show (menu_bar);    /* Create a button to which to attach menu as a popup */    button = gtk_button_new_with_label ("press me");    gtk_signal_connect_object (GTK_OBJECT (button), "event",	GTK_SIGNAL_FUNC (button_press), GTK_OBJECT (menu));    gtk_box_pack_end (GTK_BOX (vbox), button, TRUE, TRUE, 2);    gtk_widget_show (button);    /* And finally we append the menu-item to the menu-bar -- this is the     * "root" menu-item I have been raving about =) */    gtk_menu_bar_append (GTK_MENU_BAR (menu_bar), root_menu);    /* always display the window as the last step so it all splashes on     * the screen at once. */    gtk_widget_show (window);    gtk_main ();    return(0);}/* Respond to a button-press by posting a menu passed in as widget. * * Note that the "widget" argument is the menu being posted, NOT * the button that was pressed. */static gint button_press( GtkWidget *widget,                          GdkEvent *event ){    if (event-&#62;type == GDK_BUTTON_PRESS) {        GdkEventButton *bevent = (GdkEventButton *) event;         gtk_menu_popup (GTK_MENU (widget), NULL, NULL, NULL, NULL,                        bevent-&#62;button, bevent-&#62;time);        /* Tell calling code that we have handled this event; the buck         * stops here. */        return TRUE;    }    /* Tell calling code that we have not handled this event; pass it on. */    return FALSE;}/* Print a string when a menu item is selected */static void menuitem_response( gchar *string ){    printf ("%s\n", string);}/* example-end */</PRE></TD></TR></TABLE><P>You may also set a menu item to be insensitive and, using an acceleratortable, bind keys to menu functions.</P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="ch-menuwidget.html">&#60;&#60;&#60; Previous</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="gtk-tut.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="sec-usingitemfactory.html">Next &#62;&#62;&#62;</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Menu Widget</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ch-menuwidget.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Using ItemFactory</TD></TR></TABLE></DIV>        </td>    </tr></table>  </td>  </tr></table></body></BODY></HTML>

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -