[gnome-devel-docs/wip/dxhackfest2013: 155/165] platform-demos: add tooltip.js

[David King <davidk src gnome org>]

commit 50c019c04729254da4199a752fb626e3fa094dee
Author: Meg Ford <megford gnome org>
Date:   Thu Feb 21 21:14:17 2013 -0600

    platform-demos: add tooltip.js

 platform-demos/C/tooltip.js |  153 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 153 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/tooltip.js b/platform-demos/C/tooltip.js
new file mode 100644
index 0000000..19966de
--- /dev/null
+++ b/platform-demos/C/tooltip.js
@@ -0,0 +1,153 @@
+//!/usr/bin/gjs
+
+const Gdk = imports.gi.Gdk;
+const GLib = imports.gi.GLib;
+const Gio= imports.gi.Gio;
+const Gtk = imports.gi.Gtk; 
+const Lang = imports.lang;
+
+const TooltipExample = new Lang.Class ({
+    Name: 'Tooltip Example',
+
+    // Create the application 
+    _init: function () {
+        this.application = new Gtk.Application ({ application_id: 'org.example.jstooltip' });
+
+        // Connect 'activate' and 'startup' signals to the callback functions
+        this.application.connect('activate', Lang.bind(this, this._onActivate));
+        this.application.connect('startup', Lang.bind(this, this._onStartup));
+    },                                                                                                       
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                       
+                                                                                                             
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
                                                                                                              
       
+    // Callback function for 'activate' signal presents windows when active
+    _onActivate: function() {
+        this.window.present();
+    },
+
+    // Callback function for 'startup' signal builds the UI
+    _onStartup: function () {
+        this._buildUI ();
+    },
+
+    // Build the application's UI
+    _buildUI: function () {
+
+        // Create the application window
+        this.window = new Gtk.ApplicationWindow ({ application: this.application,
+                                                   window_position: Gtk.WindowPosition.CENTER,
+                                                   title: "Toolbar with Tooltips Example",
+                                                   default_width: 400,
+                                                   default_height: 200,
+                                                   border_width: 10 });
+
+
+        this.grid = new Gtk.Grid();
+
+        this.toolbar = this._createToolbar();
+        this.toolbar.set_hexpand(true);
+        this.toolbar.show();
+
+        this.grid.attach(this.toolbar, 0, 0, 1, 1);
+
+        this.window.add(this.grid);
+
+        this._newAction = new Gio.SimpleAction({ name: "new" });
+        this._newAction.connect("activate", Lang.bind(this, this._newCallback));
+        this.window.add_action(this._newAction);
+        
+        this._openAction = new Gio.SimpleAction({ name: "open" });
+        this._openAction.connect("activate", Lang.bind(this, this._openCallback));
+        this.window.add_action(this._openAction);
+        
+        this._undoAction = new Gio.SimpleAction({ name: "undo" });
+        this._undoAction.connect("activate", Lang.bind(this, this._undoCallback));
+        this.window.add_action(this._undoAction);
+
+        this._fullScreenAction = new Gio.SimpleAction({ name: "fullscreenToggle" });
+        this._fullScreenAction.connect("activate", Lang.bind(this, this._fullScreenCallback));
+        this.window.add_action(this._fullScreenAction);
+        
+        this.window.show_all();
+   },
+
+     _createToolbar: function(){
+        this.toolbar = new Gtk.Toolbar();
+        this.toolbar.get_style_context().add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR);
+
+        // button for the "new" action
+        this.newButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_NEW);
+        // with a tooltip with a given text        
+        this.newButton.set_tooltip_text("Create a new file");
+        this.newButton.set_is_important(true);
+        this.toolbar.insert(this.newButton, 0);
+        this.newButton.show();
+        this.newButton.set_action_name("win.new");
+
+        // button for the "open" action
+        this.openButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_OPEN);
+        // with a tooltip with a given text in the Pango markup language        
+        this.openButton.set_tooltip_markup("Open an <i>existing</i> file");
+        this.openButton.set_is_important(true);
+        this.toolbar.insert(this.openButton, 1);
+        this.openButton.show();
+        this.openButton.set_action_name("win.open");
+
+        // button for the "undo" action
+        this.undoButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_UNDO);
+        // with a tooltip with an image
+        // set true the property "has-tooltip"        
+        this.undoButton.set_property("has-tooltip", true);
+        // connect to the callback function that for the tooltip
+        // with the signal "query-tooltip"
+        this.undoButton.connect("query-tooltip", Lang.bind(this, this._undoTooltipCallback));
+        this.undoButton.set_is_important(true);
+        this.toolbar.insert(this.undoButton, 2);
+        this.undoButton.show();
+        this.undoButton.set_action_name("win.undo");
+
+        // button for the "fullscreen/leave fullscreen" action
+        this.fullscreenButton = Gtk.ToolButton.new_from_stock(Gtk.STOCK_FULLSCREEN);
+        this.fullscreenButton.set_is_important(true);
+        this.toolbar.insert(this.fullscreenButton, 3);
+        this.fullscreenButton.set_action_name("win.fullscreenToggle");
+
+        return this.toolbar;
+    },
+    
+    _newCallback: function(action, parameter) {
+        print("You clicked \"New\".");
+    },
+   
+    _openCallback: function(action, parameter) {
+        print("You clicked \"Open\".");
+    },
+   
+    // the callback function for the tooltip of the "undo" button
+    _undoTooltipCallback: function(widget, x, y, keyboard_mode, tooltip) {
+        // set the text for the tooltip
+        tooltip.set_text("Undo your last action");
+        // set an icon fot the tooltip
+        tooltip.set_icon_from_stock("gtk-undo", Gtk.IconSize.MENU);
+        // show the tooltip
+        return true;
+    },
+
+    _undoCallback: function(action, parameter) {
+        print("You clicked \"Undo\".");
+    },
+
+    _fullScreenCallback: function() {
+        if ((this.window.get_window().get_state() & Gdk.WindowState.FULLSCREEN) != 0 ){
+            this.fullscreenButton.set_stock_id(Gtk.STOCK_FULLSCREEN);
+            this.fullscreenButton.set_tooltip_text("Make your window fullscreen");
+            this.window.unfullscreen();
+        } else {
+            this.fullscreenButton.set_stock_id(Gtk.STOCK_LEAVE_FULLSCREEN);
+            this.fullscreenButton.set_tooltip_text("Leave fullscreen");
+            this.window.fullscreen();
+        }
+    }
+});
+
+// Run the application
+let app = new TooltipExample ();
+app.application.run (ARGV);