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// Copyright (c) 2013-2020 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
using System;
using System.Collections.Generic;
using System.ComponentModel;
#if VKVG
using vkvg;
#else
using Crow.Cairo;
#endif
using Crow.DebugLogger;
using DebugLogAnalyzer;
namespace Crow
{
public class DbgEventView : TemplatedContainer {
DbgEvent evt;
public DbgEvent Event {
get => evt;
set {
if (evt == value)
return;
evt = value;
NotifyValueChangedAuto (evt);
}
}
}
public class DbgEventWidget : Widget
{
public DbgEventWidget (){}
DbgEvent evt, hoverEvt;
long ticksPerPixel;
double pixelPerTick;
public DbgEvent Event {
get => evt;
set {
if (evt == value)
return;
evt = value;
updatePixelPerTicks ();
NotifyValueChangedAuto (evt);
RegisterForRedraw ();
}
}
public DbgEvent HoverEvent {
get => hoverEvt;
private set {
if (hoverEvt == value)
return;
hoverEvt = value;
NotifyValueChangedAuto (hoverEvt);
}
}
[DefaultValue ("1000")]
public long TicksPerPixel {
get => ticksPerPixel;
set {
if (ticksPerPixel == value)
return;
ticksPerPixel = value;
NotifyValueChangedAuto (ticksPerPixel);
if (Width == Measure.Fit)
RegisterForLayouting (LayoutingType.Width);
}
}
public override int measureRawSize (LayoutingType lt)
{
updatePixelPerTicks ();
if (lt == LayoutingType.Width)
contentSize.Width = Event == null ? 0 : (int)Math.Max(pixelPerTick * Event.Duration, 2);
return base.measureRawSize (lt);
}
public override void OnLayoutChanges (LayoutingType layoutType)
{
if (layoutType == LayoutingType.Width)
updatePixelPerTicks ();
base.OnLayoutChanges (layoutType);
}
protected override void onDraw (Context gr)
{
if (Event == null) {
base.onDraw (gr);
return;
}
gr.LineWidth = 1;
gr.SetDash (new double [] { 1.0, 3.0 }, 0);
Rectangle cb = ClientRectangle;
if (Event.Duration == 0) {
gr.SetSource (Event.Color);
gr.Rectangle (cb);
gr.Fill ();
return;
}
drawEvent (gr, cb.Height, Event);
}
void drawEvent (Context ctx, int h, DbgEvent dbge)
{
double w = Math.Max(dbge.Duration * pixelPerTick, 2.0);
double x = (dbge.begin - Event.begin) * pixelPerTick;
ctx.Rectangle (x, 0, w, h);
ctx.SetSource (dbge.Color);
/*if (dbge.IsSelected) {
ctx.FillPreserve ();
ctx.SetSource (1, 1, 1);
ctx.Stroke ();
}else*/
ctx.Fill ();
if (dbge.Events == null)
return;
foreach (DbgEvent e in dbge.Events)
drawEvent (ctx, h, e);
}
public override void onMouseMove (object sender, MouseMoveEventArgs e)
{
if (Event != null) {
Point m = ScreenPointToLocal (e.Position);
long curTick = (long)(m.X / pixelPerTick) + Event.begin;
HoverEvent = hoverEvent (Event, curTick);
e.Handled = true;
}
base.onMouseMove (sender, e);
}
DbgEvent hoverEvent (DbgEvent hevt, long curTick){
if (hevt.Events != null) {
foreach (DbgEvent e in hevt.Events) {
if (curTick >= e.begin && curTick <= e.end)
return hoverEvent (e, curTick);
}
}
return hevt;
}
void updatePixelPerTicks ()
{
if (Width == Measure.Fit)
pixelPerTick = 1.0 / ticksPerPixel;
else
pixelPerTick = Event == null ? 0 : (double)ClientRectangle.Width / Event.Duration;
}
}
}
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