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[gnome-boxes] Start MenuBox, a widget for wizard selection source

commit 2bda08228a4a21f0f19c0e5a08fb2e04552b3792
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Mon Nov 14 19:20:28 2011 +0100

    Start MenuBox, a widget for wizard selection source

 data/gtk-style.css          |   13 +++++
 src/Makefile.am             |    1 +
 src/menu-box.vala           |  107 +++++++++++++++++++++++++++++++++++++++++++
 src/mini-graph.vala         |    2 +
 vapi/upstream/gtk+-3.0.vapi |   64 +++++++++++++++++++------
 5 files changed, 171 insertions(+), 16 deletions(-)
---
diff --git a/data/gtk-style.css b/data/gtk-style.css
index 71e628c..c59308c 100644
--- a/data/gtk-style.css
+++ b/data/gtk-style.css
@@ -132,3 +132,16 @@
     border-radius: 2;
     border-width: 0;
 }
+
+BoxesMenuBox .menuitem {
+    background-color: @theme_base_color;
+    border-radius: 10;
+}
+
+BoxesMenuBox .menuitem:focused {
+    background-color: @theme_selected_bg_color;
+}
+
+BoxesMenuBox .menuitem:prelight {
+    background-color: shade (@theme_base_color, 1.1);
+}
diff --git a/src/Makefile.am b/src/Makefile.am
index 717df90..ac97cd5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -41,6 +41,7 @@ gnome_boxes_SOURCES =				\
 	installer-media.vala 			\
 	libvirt-machine.vala			\
 	machine.vala				\
+	menu-box.vala				\
 	mini-graph.vala				\
 	main.vala				\
 	os-database.vala 			\
diff --git a/src/menu-box.vala b/src/menu-box.vala
new file mode 100644
index 0000000..d4d0280
--- /dev/null
+++ b/src/menu-box.vala
@@ -0,0 +1,107 @@
+// This file is part of GNOME Boxes. License: LGPLv2+
+
+private class Boxes.MenuBox: Gtk.Box {
+    public signal void selected (Gtk.Widget widget);
+
+    private class Child {
+        public Gtk.Widget widget;
+        public bool in_item;
+
+        public Child (Gtk.Widget widget) {
+            this.widget = widget;
+        }
+
+        public void update_state () {
+            var flags = widget.get_state_flags ();
+
+            flags = flags & ~(Gtk.StateFlags.PRELIGHT | Gtk.StateFlags.ACTIVE);
+            if (in_item)
+                flags |= Gtk.StateFlags.PRELIGHT;
+
+            widget.set_state_flags (flags, true);
+        }
+    }
+
+    private new int spacing;
+    private HashTable<Gtk.Widget, Child> children;
+    construct {
+        children = new HashTable<Gtk.Widget, Child> (GLib.direct_hash, GLib.direct_equal);
+    }
+
+    public MenuBox (Gtk.Orientation orientation, int spacing = 10) {
+        GLib.Object (orientation: orientation);
+        this.spacing = spacing;
+    }
+
+    public override void remove (Gtk.Widget widget) {
+        children.remove (widget);
+        base.remove (widget);
+    }
+
+    public override void add (Gtk.Widget widget) {
+        var eventbox = new Gtk.EventBox ();
+        eventbox.get_style_context ().add_class ("menuitem");
+        eventbox.visible_window = false;
+        eventbox.can_focus = true;
+
+        var child = new Child (eventbox);
+        children.insert (eventbox, child);
+
+        eventbox.enter_notify_event.connect (() => {
+            child.in_item = true;
+            child.update_state ();
+            return true;
+        });
+
+        eventbox.leave_notify_event.connect (() => {
+            child.in_item = false;
+            child.update_state ();
+            return true;
+        });
+        eventbox.button_press_event.connect (() => {
+            eventbox.grab_focus ();
+            selected (widget);
+            return true;
+        });
+
+        var alignment = new Gtk.Alignment (0.0f, 0.0f, 1.0f, 1.0f);
+        alignment.add (widget);
+        alignment.margin_top = 10;
+        alignment.margin_bottom = 10;
+        eventbox.add (alignment);
+        base.add (eventbox);
+    }
+
+    public override bool draw (Cairo.Context cr) {
+        foreach (var child in get_children ()) {
+            int position = 0;
+            Gtk.Allocation allocation;
+            child_get (child, "position", ref position);
+            bool last = get_children ().length () == (position + 1);
+
+            child.get_allocation (out allocation);
+
+            var ctxt = child.get_style_context ();
+            Gtk.JunctionSides junction = 0;
+
+            if (orientation == Gtk.Orientation.VERTICAL) {
+                if (!last)
+                    junction |= Gtk.JunctionSides.BOTTOM;
+                if (position != 0)
+                    junction |= Gtk.JunctionSides.TOP;
+            } else {
+                if (!last)
+                    junction |= Gtk.JunctionSides.RIGHT;
+                if (position != 0)
+                    junction |= Gtk.JunctionSides.LEFT;
+            }
+
+            ctxt.set_state (child.get_state_flags ());
+            ctxt.set_junction_sides (junction);
+            ctxt.render_background (cr, allocation.x, allocation.y,
+                                    allocation.width, allocation.height);
+        }
+
+        return base.draw (cr);
+    }
+}
diff --git a/src/mini-graph.vala b/src/mini-graph.vala
index c84664e..ec285ec 100644
--- a/src/mini-graph.vala
+++ b/src/mini-graph.vala
@@ -1,3 +1,5 @@
+// This file is part of GNOME Boxes. License: LGPLv2+
+
 private class Boxes.MiniGraph: Gtk.DrawingArea {
     private double[] _points;
     public double[] points { get { return _points; }
diff --git a/vapi/upstream/gtk+-3.0.vapi b/vapi/upstream/gtk+-3.0.vapi
index 89468f2..c6cfca8 100644
--- a/vapi/upstream/gtk+-3.0.vapi
+++ b/vapi/upstream/gtk+-3.0.vapi
@@ -1,4 +1,4 @@
-/* gtk+-3.0.vapi generated by vapigen, do not modify. */
+/* gtk+-3.0.vapi generated by lt-vapigen, do not modify. */
 
 [CCode (gir_namespace = "Gtk", gir_version = "3.0")]
 namespace Gtk {
@@ -482,7 +482,7 @@ namespace Gtk {
 	public class Alignment : Gtk.Bin, Atk.Implementor, Gtk.Buildable {
 		[CCode (has_construct_function = false, type = "GtkWidget*")]
 		public Alignment (float xalign, float yalign, float xscale, float yscale);
-		public void get_padding (out uint? padding_top, out uint? padding_bottom, out uint? padding_left, out uint? padding_right);
+		public void get_padding (out uint padding_top, out uint padding_bottom, out uint padding_left, out uint padding_right);
 		public void @set (float xalign, float yalign, float xscale, float yscale);
 		public void set_padding (uint padding_top, uint padding_bottom, uint padding_left, uint padding_right);
 		[NoAccessorMethod]
@@ -921,18 +921,18 @@ namespace Gtk {
 		[CCode (has_construct_function = false)]
 		protected CellRenderer ();
 		public virtual bool activate (Gdk.Event event, Gtk.Widget widget, string path, Gdk.Rectangle background_area, Gdk.Rectangle cell_area, Gtk.CellRendererState flags);
-		public virtual void get_aligned_area (Gtk.Widget widget, Gtk.CellRendererState flags, Gdk.Rectangle cell_area, out Gdk.Rectangle? aligned_area);
-		public void get_alignment (out float? xalign, out float? yalign);
-		public void get_fixed_size (out int? width, out int? height);
-		public void get_padding (out int? xpad, out int? ypad);
-		public virtual void get_preferred_height (Gtk.Widget widget, out int? minimum_size, out int? natural_size);
-		public virtual void get_preferred_height_for_width (Gtk.Widget widget, int width, out int? minimum_height, out int? natural_height);
-		public void get_preferred_size (Gtk.Widget widget, out Gtk.Requisition? minimum_size, out Gtk.Requisition? natural_size);
-		public virtual void get_preferred_width (Gtk.Widget widget, out int? minimum_size, out int? natural_size);
-		public virtual void get_preferred_width_for_height (Gtk.Widget widget, int height, out int? minimum_width, out int? natural_width);
+		public virtual Gdk.Rectangle get_aligned_area (Gtk.Widget widget, Gtk.CellRendererState flags, Gdk.Rectangle cell_area);
+		public void get_alignment (out float xalign, out float yalign);
+		public void get_fixed_size (out int width, out int height);
+		public void get_padding (out int xpad, out int ypad);
+		public virtual void get_preferred_height (Gtk.Widget widget, out int minimum_size, out int natural_size);
+		public virtual void get_preferred_height_for_width (Gtk.Widget widget, int width, out int minimum_height, out int natural_height);
+		public void get_preferred_size (Gtk.Widget widget, out Gtk.Requisition minimum_size, out Gtk.Requisition natural_size);
+		public virtual void get_preferred_width (Gtk.Widget widget, out int minimum_size, out int natural_size);
+		public virtual void get_preferred_width_for_height (Gtk.Widget widget, int height, out int minimum_width, out int natural_width);
 		public virtual Gtk.SizeRequestMode get_request_mode ();
 		public bool get_sensitive ();
-		public abstract void get_size (Gtk.Widget widget, Gdk.Rectangle? cell_area, out int? x_offset, out int? y_offset, out int? width, out int? height);
+		public abstract void get_size (Gtk.Widget widget, Gdk.Rectangle? cell_area, out int x_offset, out int y_offset, out int width, out int height);
 		public Gtk.StateFlags get_state (Gtk.Widget widget, Gtk.CellRendererState cell_state);
 		public bool get_visible ();
 		public bool is_activatable ();
@@ -1512,7 +1512,7 @@ namespace Gtk {
 		[HasEmitter]
 		public virtual signal void remove (Gtk.Widget widget);
 		[HasEmitter]
-		public virtual signal void set_focus_child (Gtk.Widget child);
+		public virtual signal void set_focus_child (Gtk.Widget? child);
 	}
 	[CCode (cheader_filename = "gtk/gtk.h")]
 	public class CssProvider : GLib.Object, Gtk.StyleProvider {
@@ -2768,8 +2768,8 @@ namespace Gtk {
 	public class Misc : Gtk.Widget, Atk.Implementor, Gtk.Buildable {
 		[CCode (has_construct_function = false)]
 		protected Misc ();
-		public void get_alignment (out float? xalign, out float? yalign);
-		public void get_padding (out int? xpad, out int? ypad);
+		public void get_alignment (out float xalign, out float yalign);
+		public void get_padding (out int xpad, out int ypad);
 		public void set_alignment (float xalign, float yalign);
 		public void set_padding (int xpad, int ypad);
 		[NoAccessorMethod]
@@ -4080,6 +4080,38 @@ namespace Gtk {
 		public void remove_provider (Gtk.StyleProvider provider);
 		public static void remove_provider_for_screen (Gdk.Screen screen, Gtk.StyleProvider provider);
 		public void remove_region (string region_name);
+		[CCode (cname = "gtk_render_activity")]
+		public void render_activity (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_arrow")]
+		public void render_arrow (Cairo.Context cr, double angle, double x, double y, double size);
+		[CCode (cname = "gtk_render_background")]
+		public void render_background (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_check")]
+		public void render_check (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_expander")]
+		public void render_expander (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_extension")]
+		public void render_extension (Cairo.Context cr, double x, double y, double width, double height, Gtk.PositionType gap_side);
+		[CCode (cname = "gtk_render_focus")]
+		public void render_focus (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_frame")]
+		public void render_frame (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_frame_gab")]
+		public void render_frame_gap (Cairo.Context cr, double x, double y, double width, double height, Gtk.PositionType gap_side, double xy0_gap, double xy1_gap);
+		[CCode (cname = "gtk_render_handle")]
+		public void render_handle (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_icon")]
+		public void render_icon (Cairo.Context cr, Gdk.Pixbuf pixbuf, double x, double y);
+		[CCode (cname = "gtk_render_icon_pixbuf")]
+		public unowned Gdk.Pixbuf render_icon_pixbuf (Gtk.IconSource source, Gtk.IconSize size);
+		[CCode (cname = "gtk_render_layout")]
+		public void render_layout (Cairo.Context cr, double x, double y, Pango.Layout layout);
+		[CCode (cname = "gtk_render_line")]
+		public void render_line (Cairo.Context cr, double x0, double y0, double x1, double y1);
+		[CCode (cname = "gtk_render_option")]
+		public void render_option (Cairo.Context cr, double x, double y, double width, double height);
+		[CCode (cname = "gtk_render_slider")]
+		public void render_slider (Cairo.Context cr, double x, double y, double width, double height, Gtk.Orientation orientation);
 		public static void reset_widgets (Gdk.Screen screen);
 		public void restore ();
 		public void save ();
@@ -4353,7 +4385,7 @@ namespace Gtk {
 		public virtual signal void insert_child_anchor (Gtk.TextIter iter, Gtk.TextChildAnchor anchor);
 		[HasEmitter]
 		public virtual signal void insert_pixbuf (Gtk.TextIter iter, Gdk.Pixbuf pixbuf);
-		public virtual signal void insert_text (Gtk.TextIter pos, string new_text, int new_text_length);
+		public virtual signal void insert_text (ref Gtk.TextIter pos, string new_text, int new_text_length);
 		public virtual signal void mark_deleted (Gtk.TextMark mark);
 		public virtual signal void mark_set (Gtk.TextIter location, Gtk.TextMark mark);
 		public virtual signal void modified_changed ();
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