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//
// OverlayMessageWindow.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2013 Xamarin Inc. (http://xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Mono.TextEditor;
using Gtk;
using MonoDevelop.Components;
using Gdk;
namespace MonoDevelop.SourceEditor
{
public class OverlayMessageWindow : Gtk.EventBox
{
const int border = 8;
public Func<int> SizeFunc;
ExtensibleTextEditor textEditor;
public OverlayMessageWindow ()
{
AppPaintable = true;
}
public void ShowOverlay (ExtensibleTextEditor textEditor)
{
this.textEditor = textEditor;
this.ShowAll ();
textEditor.AddTopLevelWidget (this, 0, 0);
textEditor.SizeAllocated += HandleSizeAllocated;
var child = (TextEditor.EditorContainerChild)textEditor [this];
child.FixedPosition = true;
}
protected override void OnDestroyed ()
{
base.OnDestroyed ();
if (textEditor != null) {
textEditor.SizeAllocated -= HandleSizeAllocated;
textEditor = null;
}
}
protected override void OnSizeRequested (ref Requisition requisition)
{
base.OnSizeRequested (ref requisition);
if (wRequest > 0) {
requisition.Width = wRequest;
}
}
protected override void OnSizeAllocated (Gdk.Rectangle allocation)
{
base.OnSizeAllocated (allocation);
Resize (allocation);
}
int wRequest = -1;
void HandleSizeAllocated (object o, Gtk.SizeAllocatedArgs args)
{
if (SizeFunc != null) {
var req = Math.Min (SizeFunc (), textEditor.Allocation.Width - border * 2);
if (req != wRequest) {
wRequest = req;
QueueResize ();
}
} else {
if (Allocation.Width > textEditor.Allocation.Width - border * 2) {
if (textEditor.Allocation.Width - border * 2 > 0) {
QueueResize ();
}
}
}
Resize (Allocation);
}
void Resize (Gdk.Rectangle alloc)
{
textEditor.MoveTopLevelWidget (this, (textEditor.Allocation.Width - alloc.Width) / 2, textEditor.Allocation.Height - alloc.Height - 8);
}
protected override bool OnExposeEvent (Gdk.EventExpose evnt)
{
using (var cr = CairoHelper.Create (evnt.Window)) {
cr.LineWidth = 1;
cr.Rectangle (0, 0, Allocation.Width, Allocation.Height);
cr.SetSourceColor (textEditor.ColorStyle.NotificationText.Background);
cr.Fill ();
cr.RoundedRectangle (0, 0, Allocation.Width, Allocation.Height, 3);
cr.SetSourceColor (textEditor.ColorStyle.NotificationText.Background);
cr.FillPreserve ();
cr.SetSourceColor (textEditor.ColorStyle.NotificationBorder.Color);
cr.Stroke();
}
return base.OnExposeEvent (evnt);
}
}
}
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