gtk托盘图标程序

http://www.codeproject.com/KB/cross-platform/GTKTrayIcon.aspx

 

//
trayicon.c


#include
 <
gtk
/
gtk.h
>





static
 void
 trayView(GtkMenuItem *item, gpointer user_data);

static
 void
 trayExit(GtkMenuItem *item, gpointer user_data);

static
 void
 trayIconActivated(GObject *trayIcon, gpointer data);

static
 void
 trayIconPopup(GtkStatusIcon *status_icon, guint button, guint32 activate_time, gpointer popUpMenu);

static
 void
 destroy (GtkWidget*, gpointer);

static
 gboolean delete_event (GtkWidget*, GdkEvent*, gpointer);

static
 gboolean window_state_event (GtkWidget *widget, GdkEventWindowState *event
, gpointer user_data);



int
 main(int
 argc, char
 *argv[])

{

    gtk_init (&argc, &argv);

    

    GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

    gtk_window_set_title (GTK_WINDOW (window), "
GtkStatusIcon Example"
);

    gtk_widget_set_size_request (window, 200
, -1
);

    

    //
set try icon file


    GtkStatusIcon *trayIcon  = gtk_status_icon_new_from_file ("
/root/Desktop/icon.png"
);

    //
set popup menu for tray icon


    GtkWidget *menu, *menuItemView, *menuItemExit;

    menu = gtk_menu_new();

    menuItemView = gtk_menu_item_new_with_label ("
View"
);

    menuItemExit = gtk_menu_item_new_with_label ("
Exit"
);

    g_signal_connect (G_OBJECT (menuItemView), "
activate"
, G_CALLBACK (trayView), window);

    g_signal_connect (G_OBJECT (menuItemExit), "
activate"
, G_CALLBACK (trayExit), NULL);

    gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuItemView);

    gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuItemExit);

    gtk_widget_show_all (menu);

    //
set tooltip


    gtk_status_icon_set_tooltip (trayIcon, "
MsgWatcherGTK"
);

    //
connect handlers for mouse events


    g_signal_connect(GTK_STATUS_ICON (trayIcon), "
activate"
, GTK_SIGNAL_FUNC (trayIconActivated), window);

    g_signal_connect(GTK_STATUS_ICON (trayIcon), "
popup-menu"
, GTK_SIGNAL_FUNC (trayIconPopup), menu);

    gtk_status_icon_set_visible(trayIcon, FALSE); //
set icon initially invisible


    

    

    GtkWidget *menuBar, *menuItemTopLvl, *mainMenu, *mainMenuItemExit;

    menuBar = gtk_menu_bar_new ();

    menuItemTopLvl = gtk_menu_item_new_with_label ("
Menu"
);

    gtk_menu_shell_append (GTK_MENU_SHELL (menuBar), menuItemTopLvl);

    

    mainMenu = gtk_menu_new ();

    gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuItemTopLvl), mainMenu);

    mainMenuItemExit = gtk_menu_item_new_with_label ("
Quit"
);

    g_signal_connect (G_OBJECT (mainMenuItemExit), "
activate"
, G_CALLBACK (trayExit), NULL);

    gtk_menu_shell_append (GTK_MENU_SHELL (mainMenu), mainMenuItemExit);

    

    g_signal_connect (G_OBJECT (window), "
destroy"
, G_CALLBACK (destroy), NULL);

    g_signal_connect (G_OBJECT (window), "
delete_event"
, G_CALLBACK (delete_event), trayIcon);

    g_signal_connect (G_OBJECT (window), "
window-state-event"
, G_CALLBACK (window_state_event), trayIcon);

    gtk_container_add (GTK_CONTAINER (window), menuBar);

    gtk_widget_show_all (window);

    gtk_main ();

    return
 0
;

}



static
 void
 trayView(GtkMenuItem *item, gpointer window) 

{

    gtk_widget_show(GTK_WIDGET(window));

    gtk_window_deiconify(GTK_WINDOW(window));    

}



static
 void
 trayExit(GtkMenuItem *item, gpointer user_data) 

{

    printf("
exit"
);

    gtk_main_quit();

}



static
 void
 trayIconActivated(GObject *trayIcon, gpointer window)

{

    gtk_widget_show(GTK_WIDGET(window));

    gtk_window_deiconify(GTK_WINDOW(window));

}



static
 void
 trayIconPopup(GtkStatusIcon *status_icon, guint button, guint32 activate_time, gpointer popUpMenu)

{

    gtk_menu_popup(GTK_MENU(popUpMenu), NULL, NULL, gtk_status_icon_position_menu, status_icon, button, activate_time);

}



static
 void
 destroy (GtkWidget *window, gpointer data)

{

  gtk_main_quit ();

}



static
 gboolean delete_event (GtkWidget *window, GdkEvent *event
, gpointer data)

{

    return
 FALSE;

}



static
 gboolean window_state_event (GtkWidget *widget, GdkEventWindowState *event
, gpointer trayIcon)

{

    if
(event
->
changed_mask == GDK_WINDOW_STATE_ICONIFIED && (event
->
new_window_state == GDK_WINDOW_STATE_ICONIFIED || event
->
new_window_state == (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED)))

    {

        gtk_widget_hide (GTK_WIDGET(widget));

        gtk_status_icon_set_visible(GTK_STATUS_ICON(trayIcon), TRUE);

    }

    else
 if
(event
->
changed_mask == GDK_WINDOW_STATE_WITHDRAWN && (event
->
new_window_state == GDK_WINDOW_STATE_ICONIFIED || event
->
new_window_state == (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED)))

    {

        gtk_status_icon_set_visible(GTK_STATUS_ICON(trayIcon), FALSE);

    }

    return
 TRUE;

}