Styles.Linux.cs

// MonoGame - Copyright (C) The MonoGame Team
// This file is subject to the terms and conditions defined in
// file 'LICENSE.txt', which is part of this source code package.

using System;
using System.Runtime.InteropServices;
using Eto;
using Eto.GtkSharp.Forms;
using Eto.GtkSharp.Forms.Controls;
using Eto.GtkSharp.Forms.ToolBar;

namespace MonoGame.Tools.Pipeline
{
    static partial class Gtk3Wrapper
    {
        public const string gtklibpath = "libgtk-3.so.0";

        [DllImport(gtklibpath, CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr gtk_header_bar_new();

        [DllImport(gtklibpath, CallingConvention = CallingConvention.Cdecl)]
        public static extern void gtk_window_set_titlebar(IntPtr window, IntPtr widget);

        [DllImport(gtklibpath, CallingConvention = CallingConvention.Cdecl)]
        public static extern void gtk_header_bar_pack_start(IntPtr bar, IntPtr child);

        [DllImport(gtklibpath, CallingConvention = CallingConvention.Cdecl)]
        public static extern void gtk_header_bar_pack_end(IntPtr bar, IntPtr child);

        [DllImport(gtklibpath, CallingConvention = CallingConvention.Cdecl)]
        public static extern void gtk_header_bar_set_show_close_button(IntPtr handle, bool show);
    }

    public static class Styles
    {
        public static void Load()
        {
            Style.Add<DialogHandler>("HeaderBar", h =>
            {
                var title = h.Title;
                var headerBar = Gtk3Wrapper.gtk_header_bar_new();
                Gtk3Wrapper.gtk_window_set_titlebar(h.Control.Handle, headerBar);
                h.Title = title;

                if (h.AbortButton.Text == "Close")
                {
                    Gtk3Wrapper.gtk_header_bar_set_show_close_button(headerBar, true);
                    return;
                }

                var defButton = (Gtk.Button)h.DefaultButton.ControlObject;
                defButton.StyleContext.AddClass("suggested-action");

                Gtk3Wrapper.gtk_header_bar_pack_end(headerBar, defButton.Handle);
                Gtk3Wrapper.gtk_header_bar_pack_start(headerBar, ((Gtk.Button)h.AbortButton.ControlObject).Handle);
            });

            Style.Add<LabelHandler>("Wrap", h => h.Control.MaxWidthChars = 55);

            Style.Add<ToolBarHandler>("ToolBar", h =>
            {
                h.Control.ToolbarStyle = Gtk.ToolbarStyle.Icons;
                h.Control.IconSize = Gtk.IconSize.SmallToolbar;
            });

            Style.Add<TreeViewHandler>("Scroll", h =>
            {
                var treeView = h.Control.Child as Gtk.TreeView;

                Gtk.TreeIter lastIter, iter;

                if (treeView.Model.GetIterFirst(out iter))
                {
                    do
                    {
                        lastIter = iter;
                    }
                    while (treeView.Model.IterNext(ref iter));

                    var path = treeView.Model.GetPath(lastIter);
                    treeView.ScrollToCell(path, null, false, 0, 0);
                }
            });

            Style.Add<DrawableHandler>("Stretch", h =>
            {
                var parent = h.Control.Parent.Parent.Parent.Parent.Parent.Parent;

                parent.SizeAllocated += delegate
                {
                    var al = h.Control.Allocation;
                    al.Width = parent.AllocatedWidth - 2;
                    h.Control.SetAllocation(al);
                };
            });

            Style.Add<PixelLayoutHandler>("Stretch", h =>
            {
                var parent = h.Control.Parent.Parent.Parent.Parent.Parent;

                parent.SizeAllocated += delegate
                {
                     var al = h.Control.Allocation;
                     al.Width = parent.AllocatedWidth;
                     h.Control.SetAllocation(al);
                };
            });

            Style.Add<DropDownHandler>("OverrideSize", h =>
            {
                var cell = (h.Control.Child as Gtk.ComboBox).Cells[0] as Gtk.CellRendererText;
                cell.Ellipsize = Pango.EllipsizeMode.End;

                h.Control.SizeAllocated += delegate
                {
                    var al = h.Control.Allocation;
                    al.Height = CellCombo.Height;
                    h.Control.SetAllocation(al);
                };
            });
        }
    }
}