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//
// DesignInterface.cs
//
// Author:
// Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// 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 Crow;
using System.Globalization;
using System.Threading;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using Cairo;
namespace Crow.Coding
{
public class DesignInterface : Interface, IValueChange
{
#region IValueChange implementation
/// <summary>
/// Raise to notify that the value of a property has changed, the binding system
/// rely mainly on this event. the member name may not be present in the class, this is
/// used in **propertyless** bindings, this allow to raise custom named events without needing
/// to create an new one in the class or a new property.
/// </summary>
public event EventHandler<ValueChangeEventArgs> ValueChanged;
/// <summary>
/// Helper function to raise the value changed event
/// </summary>
public virtual void NotifyValueChanged(string MemberName, object _value)
{
//Debug.WriteLine ("Value changed: {0}->{1} = {2}", this, MemberName, _value);
ValueChanged.Raise(this, new ValueChangeEventArgs(MemberName, _value));
}
#endregion
public DesignInterface () : base()
{
}
public ProjectFile ProjFile;
public override Widget CreateInstance (string path)
{
ProjectFile pi;
if (ProjFile.Project.solution.GetProjectFileFromPath (path, out pi))
return CreateITorFromIMLFragment (pi.Source).CreateInstance();
return null;
}
public override Stream GetStreamFromPath (string path)
{
ProjectFile pi;
if (ProjFile.Project.solution.GetProjectFileFromPath (path, out pi)) {
return new FileStream (pi.AbsolutePath, FileMode.Open);
}
throw new Exception ($"In Design File not found: {path}");
}
protected override void InitBackend ()
{
surf = new ImageSurface (Format.Argb32, 100, 100);
}
public override void ProcessResize (Rectangle bounds)
{
if (bounds == clientRectangle)
return;
lock (UpdateMutex) {
clientRectangle = bounds;
surf.Dispose ();
surf = new ImageSurface (Format.Argb32, clientRectangle.Width, clientRectangle.Height);
foreach (Widget g in GraphicTree)
g.RegisterForLayouting (LayoutingType.All);
RegisterClip (clientRectangle);
}
}
public override bool ProcessMouseMove (int x, int y)
{
int deltaX = x - Mouse.X;
int deltaY = y - Mouse.Y;
Mouse.X = x;
Mouse.Y = y;
MouseMoveEventArgs e = new MouseMoveEventArgs (x, y, deltaX, deltaY);
e.Mouse = Mouse;
if (ActiveWidget != null) {
//TODO, ensure object is still in the graphic tree
//send move evt even if mouse move outside bounds
ActiveWidget.onMouseMove (this, e);
if (!ActiveWidget.IsDragged)//if active is dragged, process mouse move as it was not visible.
return true;
}
if (HoverWidget != null) {
//check topmost graphicobject first
Widget tmp = HoverWidget;
Widget topc = null;
while (tmp is Widget) {
topc = tmp;
tmp = tmp.LogicalParent as Widget;
}
int idxhw = GraphicTree.IndexOf (topc);
if (idxhw != 0) {
int i = 0;
while (i < idxhw) {
if (GraphicTree [i].localLogicalParentIsNull) {
if (GraphicTree [i].MouseIsIn (e.Position)) {
while (HoverWidget != null) {
HoverWidget.onMouseLeave (HoverWidget, e);
HoverWidget = HoverWidget.LogicalParent as Widget;
}
GraphicTree [i].checkHoverWidget (e);
return true;
}
}
i++;
}
}
if (HoverWidget.MouseIsIn (e.Position)) {
if (!(HoverWidget is TemplatedControl))
HoverWidget.checkHoverWidget (e);
return true;
} else {
HoverWidget.onMouseLeave (HoverWidget, e);
//seek upward from last focused graph obj's
while (HoverWidget.LogicalParent as Widget != null) {
HoverWidget = HoverWidget.LogicalParent as Widget;
if (HoverWidget.MouseIsIn (e.Position)) {
HoverWidget.checkHoverWidget (e);
return true;
} else
HoverWidget.onMouseLeave (HoverWidget, e);
}
}
}
//top level graphic obj's parsing
lock (GraphicTree) {
for (int i = 0; i < GraphicTree.Count; i++) {
Widget g = GraphicTree [i];
if (g.MouseIsIn (e.Position)) {
if (!(HoverWidget is TemplatedControl))
g.checkHoverWidget (e);
if (g is Window)
PutOnTop (g);
return true;
}
}
}
HoverWidget = null;
return false;
}
protected override void processLayouting ()
{
#if MEASURE_TIME
layoutingMeasure.StartCycle();
#endif
if (Monitor.TryEnter (LayoutMutex)) {
DiscardQueue = new Queue<LayoutingQueueItem> ();
LayoutingQueueItem lqi;
while (LayoutingQueue.Count > 0) {
lqi = LayoutingQueue.Dequeue ();
//Console.WriteLine (lqi.ToString ());
#if DEBUG_LAYOUTING
currentLQI = lqi;
curLQIsTries.Add(currentLQI);
#endif
lqi.ProcessLayouting ();
}
LayoutingQueue = DiscardQueue;
Monitor.Exit (LayoutMutex);
DiscardQueue = null;
}
#if MEASURE_TIME
layoutingMeasure.StopCycle();
#endif
}
}
}
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