OpenHardwareMonitor: GUI/SensorGadget.cs@fb8dc26f65a4

     1 /*

     3   This Source Code Form is subject to the terms of the Mozilla Public

     4   License, v. 2.0. If a copy of the MPL was not distributed with this

     5   file, You can obtain one at http://mozilla.org/MPL/2.0/.

     7   Copyright (C) 2010-2012 Michael Möller <mmoeller@openhardwaremonitor.org>

     9 */

    11 using System;

    12 using System.Collections.Generic;

    13 using System.Drawing;

    14 using System.Drawing.Imaging;

    15 using System.Windows.Forms;

    16 using System.IO;

    17 using OpenHardwareMonitor.Hardware;

    19 namespace OpenHardwareMonitor.GUI {

    20   public class SensorGadget : Gadget {

    22     private UnitManager unitManager;

    24     private Image back = Utilities.EmbeddedResources.GetImage("gadget.png");

    25     private Image image = null;

    26     private Image fore = null;

    27     private Image barBack = Utilities.EmbeddedResources.GetImage("barback.png");

    28     private Image barFore = Utilities.EmbeddedResources.GetImage("barblue.png");

    29     private const int topBorder = 6;

    30     private const int bottomBorder = 7;

    31     private const int leftBorder = 6;

    32     private const int rightBorder = 7;

    33     private Image background = new Bitmap(1, 1);

    35     private readonly float scale;

    36     private float fontSize;

    37     private int iconSize;

    38     private int hardwareLineHeight;

    39     private int sensorLineHeight;

    40     private int rightMargin;

    41     private int leftMargin;

    42     private int topMargin;

    43     private int bottomMargin;

    44     private int progressWidth;

    46     private IDictionary<IHardware, IList<ISensor>> sensors =

    47       new SortedDictionary<IHardware, IList<ISensor>>(new HardwareComparer());

    49     private PersistentSettings settings;

    50     private UserOption hardwareNames;

    51     private UserOption alwaysOnTop;

    52     private UserOption lockPositionAndSize;

    54     private Font largeFont;

    55     private Font smallFont;

    56     private Brush darkWhite;

    57     private StringFormat stringFormat;

    58     private StringFormat trimStringFormat;

    59     private StringFormat alignRightStringFormat;

    61     public SensorGadget(IComputer computer, PersistentSettings settings,

    62       UnitManager unitManager)

    63     {

    64       this.unitManager = unitManager;

    65       this.settings = settings;

    66       computer.HardwareAdded += new HardwareEventHandler(HardwareAdded);

    67       computer.HardwareRemoved += new HardwareEventHandler(HardwareRemoved);

    69       this.darkWhite = new SolidBrush(Color.FromArgb(0xF0, 0xF0, 0xF0));

    71       this.stringFormat = new StringFormat();

    72       this.stringFormat.FormatFlags = StringFormatFlags.NoWrap;

    74       this.trimStringFormat = new StringFormat();

    75       this.trimStringFormat.Trimming = StringTrimming.EllipsisCharacter;

    76       this.trimStringFormat.FormatFlags = StringFormatFlags.NoWrap;

    78       this.alignRightStringFormat = new StringFormat();

    79       this.alignRightStringFormat.Alignment = StringAlignment.Far;

    80       this.alignRightStringFormat.FormatFlags = StringFormatFlags.NoWrap;

    82       if (File.Exists("gadget_background.png")) {

    83         try {

    84           Image newBack = new Bitmap("gadget_background.png");

    85           back.Dispose();

    86           back = newBack;

    87         } catch { }

    88       }

    90       if (File.Exists("gadget_image.png")) {

    91         try {

    92           image = new Bitmap("gadget_image.png");

    93         } catch {}

    94       }

    96       if (File.Exists("gadget_foreground.png")) {

    97         try {

    98           fore = new Bitmap("gadget_foreground.png");

    99         } catch { }

   100       }

   102       if (File.Exists("gadget_bar_background.png")) {

   103         try {

   104           Image newBarBack = new Bitmap("gadget_bar_background.png");

   105           barBack.Dispose();

   106           barBack = newBarBack;

   107         } catch { }

   108       }

   110       if (File.Exists("gadget_bar_foreground.png")) {

   111         try {

   112           Image newBarColor = new Bitmap("gadget_bar_foreground.png");

   113           barFore.Dispose();

   114           barFore = newBarColor;

   115         } catch { }

   116       }

   118       this.Location = new Point(

   119         settings.GetValue("sensorGadget.Location.X", 100),

   120         settings.GetValue("sensorGadget.Location.Y", 100));

   121       LocationChanged += delegate(object sender, EventArgs e) {

   122         settings.SetValue("sensorGadget.Location.X", Location.X);

   123         settings.SetValue("sensorGadget.Location.Y", Location.Y);

   124       };

   126       // get the custom to default dpi ratio

   127       using (Bitmap b = new Bitmap(1, 1)) {

   128         scale = b.HorizontalResolution / 96.0f;

   129       }

   131       SetFontSize(settings.GetValue("sensorGadget.FontSize", 7.5f));

   132       Resize(settings.GetValue("sensorGadget.Width", Size.Width));

   134       ContextMenu contextMenu = new ContextMenu();

   135       MenuItem hardwareNamesItem = new MenuItem("Hardware Names");

   136       contextMenu.MenuItems.Add(hardwareNamesItem);

   137       MenuItem fontSizeMenu = new MenuItem("Font Size");

   138       for (int i = 0; i < 4; i++) {

   139         float size;

   140         string name;

   141         switch (i) {

   142           case 0: size = 6.5f; name = "Small"; break;

   143           case 1: size = 7.5f; name = "Medium"; break;

   144           case 2: size = 9f; name = "Large"; break;

   145           case 3: size = 11f; name = "Very Large"; break;

   146           default: throw new NotImplementedException();

   147         }

   148         MenuItem item = new MenuItem(name);

   149         item.Checked = fontSize == size;

   150         item.Click += delegate(object sender, EventArgs e) {

   151           SetFontSize(size);

   152           settings.SetValue("sensorGadget.FontSize", size);

   153           foreach (MenuItem mi in fontSizeMenu.MenuItems)

   154             mi.Checked = mi == item;

   155         };

   156         fontSizeMenu.MenuItems.Add(item);

   157       }

   158       contextMenu.MenuItems.Add(fontSizeMenu);

   159       contextMenu.MenuItems.Add(new MenuItem("-"));

   160       MenuItem lockItem = new MenuItem("Lock Position and Size");

   161       contextMenu.MenuItems.Add(lockItem);

   162       contextMenu.MenuItems.Add(new MenuItem("-"));

   163       MenuItem alwaysOnTopItem = new MenuItem("Always on Top");

   164       contextMenu.MenuItems.Add(alwaysOnTopItem);

   165       MenuItem opacityMenu = new MenuItem("Opacity");

   166       contextMenu.MenuItems.Add(opacityMenu);

   167       Opacity = (byte)settings.GetValue("sensorGadget.Opacity", 255);

   168       for (int i = 0; i < 5; i++) {

   169         MenuItem item = new MenuItem((20 * (i + 1)).ToString() + " %");

   170         byte o = (byte)(51 * (i + 1));

   171         item.Checked = Opacity == o;

   172         item.Click += delegate(object sender, EventArgs e) {

   173           Opacity = o;

   174           settings.SetValue("sensorGadget.Opacity", Opacity);

   175           foreach (MenuItem mi in opacityMenu.MenuItems)

   176             mi.Checked = mi == item;

   177         };

   178         opacityMenu.MenuItems.Add(item);

   179       }

   180       this.ContextMenu = contextMenu;

   182       hardwareNames = new UserOption("sensorGadget.Hardwarenames", true,

   183         hardwareNamesItem, settings);

   184       hardwareNames.Changed += delegate(object sender, EventArgs e) {

   185         Resize();

   186       };

   188       alwaysOnTop = new UserOption("sensorGadget.AlwaysOnTop", false,

   189         alwaysOnTopItem, settings);

   190       alwaysOnTop.Changed += delegate(object sender, EventArgs e) {

   191         this.AlwaysOnTop = alwaysOnTop.Value;

   192       };

   193       lockPositionAndSize = new UserOption("sensorGadget.LockPositionAndSize",

   194         false, lockItem, settings);

   195       lockPositionAndSize.Changed += delegate(object sender, EventArgs e) {

   196         this.LockPositionAndSize = lockPositionAndSize.Value;

   197       };

   199       HitTest += delegate(object sender, HitTestEventArgs e) {

   200         if (lockPositionAndSize.Value)

   201           return;

   203         if (e.Location.X < leftBorder) {

   204           e.HitResult = HitResult.Left;

   205           return;

   206         }

   207         if (e.Location.X > Size.Width - 1 - rightBorder) {

   208           e.HitResult = HitResult.Right;

   209           return;

   210         }

   211       };

   213       SizeChanged += delegate(object sender, EventArgs e) {

   214         settings.SetValue("sensorGadget.Width", Size.Width);

   215         Redraw();

   216       };

   218       VisibleChanged += delegate(object sender, EventArgs e) {

   219         Rectangle bounds = new Rectangle(Location, Size);

   220         Screen screen = Screen.FromRectangle(bounds);

   221         Rectangle intersection =

   222           Rectangle.Intersect(screen.WorkingArea, bounds);

   223         if (intersection.Width < Math.Min(16, bounds.Width) ||

   224             intersection.Height < Math.Min(16, bounds.Height))

   225         {

   226           Location = new Point(

   227             screen.WorkingArea.Width / 2 - bounds.Width / 2,

   228             screen.WorkingArea.Height / 2 - bounds.Height / 2);

   229         }

   230       };

   232       MouseDoubleClick += delegate(object obj, MouseEventArgs args) {

   233         SendHideShowCommand();

   234       };

   235     }

   237     public override void Dispose() {

   239       largeFont.Dispose();

   240       largeFont = null;

   242       smallFont.Dispose();

   243       smallFont = null;

   245       darkWhite.Dispose();

   246       darkWhite = null;

   248       stringFormat.Dispose();

   249       stringFormat = null;

   251       trimStringFormat.Dispose();

   252       trimStringFormat = null;

   254       alignRightStringFormat.Dispose();

   255       alignRightStringFormat = null;

   257       back.Dispose();

   258       back = null;

   260       barFore.Dispose();

   261       barFore = null;

   263       barBack.Dispose();

   264       barBack = null;

   266       background.Dispose();

   267       background = null;

   269       if (image != null) {

   270         image.Dispose();

   271         image = null;

   272       }

   274       if (fore != null) {

   275         fore.Dispose();

   276         fore = null;

   277       }

   279       base.Dispose();

   280     }

   282     private void HardwareRemoved(IHardware hardware) {

   283       hardware.SensorAdded -= new SensorEventHandler(SensorAdded);

   284       hardware.SensorRemoved -= new SensorEventHandler(SensorRemoved);

   285       foreach (ISensor sensor in hardware.Sensors)

   286         SensorRemoved(sensor);

   287       foreach (IHardware subHardware in hardware.SubHardware)

   288         HardwareRemoved(subHardware);

   289     }

   291     private void HardwareAdded(IHardware hardware) {

   292       foreach (ISensor sensor in hardware.Sensors)

   293         SensorAdded(sensor);

   294       hardware.SensorAdded += new SensorEventHandler(SensorAdded);

   295       hardware.SensorRemoved += new SensorEventHandler(SensorRemoved);

   296       foreach (IHardware subHardware in hardware.SubHardware)

   297         HardwareAdded(subHardware);

   298     }

   300     private void SensorAdded(ISensor sensor) {

   301       if (settings.GetValue(new Identifier(sensor.Identifier,

   302         "gadget").ToString(), false))

   303         Add(sensor);

   304     }

   306     private void SensorRemoved(ISensor sensor) {

   307       if (Contains(sensor))

   308         Remove(sensor, false);

   309     }

   311     public bool Contains(ISensor sensor) {

   312       foreach (IList<ISensor> list in sensors.Values)

   313         if (list.Contains(sensor))

   314           return true;

   315       return false;

   316     }

   318     public void Add(ISensor sensor) {

   319       if (Contains(sensor)) {

   320         return;

   321       } else {

   322         // get the right hardware

   323         IHardware hardware = sensor.Hardware;

   324         while (hardware.Parent != null)

   325           hardware = hardware.Parent;

   327         // get the sensor list associated with the hardware

   328         IList<ISensor> list;

   329         if (!sensors.TryGetValue(hardware, out list)) {

   330           list = new List<ISensor>();

   331           sensors.Add(hardware, list);

   332         }

   334         // insert the sensor at the right position

   335         int i = 0;

   336         while (i < list.Count && (list[i].SensorType < sensor.SensorType ||

   337           (list[i].SensorType == sensor.SensorType &&

   338            list[i].Index < sensor.Index))) i++;

   339         list.Insert(i, sensor);

   341         settings.SetValue(

   342           new Identifier(sensor.Identifier, "gadget").ToString(), true);

   344         Resize();

   345       }

   346     }

   348     public void Remove(ISensor sensor) {

   349       Remove(sensor, true);

   350     }

   352     private void Remove(ISensor sensor, bool deleteConfig) {

   353       if (deleteConfig)

   354         settings.Remove(new Identifier(sensor.Identifier, "gadget").ToString());

   356       foreach (KeyValuePair<IHardware, IList<ISensor>> keyValue in sensors)

   357         if (keyValue.Value.Contains(sensor)) {

   358           keyValue.Value.Remove(sensor);

   359           if (keyValue.Value.Count == 0) {

   360             sensors.Remove(keyValue.Key);

   361             break;

   362           }

   363         }

   364       Resize();

   365     }

   367     public event EventHandler HideShowCommand;

   369     public void SendHideShowCommand() {

   370       if (HideShowCommand != null)

   371         HideShowCommand(this, null);

   372     }

   374     private Font CreateFont(float size, FontStyle style) {

   375       try {

   376         return new Font(SystemFonts.MessageBoxFont.FontFamily, size, style);

   377       } catch (ArgumentException) {

   378         // if the style is not supported, fall back to the original one

   379         return new Font(SystemFonts.MessageBoxFont.FontFamily, size,

   380           SystemFonts.MessageBoxFont.Style);

   381       }

   382     }

   384     private void SetFontSize(float size) {

   385       fontSize = size;

   386       largeFont = CreateFont(fontSize, FontStyle.Bold);

   387       smallFont = CreateFont(fontSize, FontStyle.Regular);

   389       double scaledFontSize = fontSize * scale;

   390       iconSize = (int)Math.Round(1.5 * scaledFontSize);

   391       hardwareLineHeight = (int)Math.Round(1.66 * scaledFontSize);

   392       sensorLineHeight = (int)Math.Round(1.33 * scaledFontSize);

   393       leftMargin = leftBorder + (int)Math.Round(0.3 * scaledFontSize);

   394       rightMargin = rightBorder + (int)Math.Round(0.3 * scaledFontSize);

   395       topMargin = topBorder;

   396       bottomMargin = bottomBorder + (int)Math.Round(0.3 * scaledFontSize);

   397       progressWidth = (int)Math.Round(5.3 * scaledFontSize);

   399       Resize((int)Math.Round(17.3 * scaledFontSize));

   400     }

   402     private void Resize() {

   403       Resize(this.Size.Width);

   404     }

   406     private void Resize(int width) {

   407       int y = topMargin;

   408       foreach (KeyValuePair<IHardware, IList<ISensor>> pair in sensors) {

   409         if (hardwareNames.Value) {

   410           if (y > topMargin)

   411             y += hardwareLineHeight - sensorLineHeight;

   412           y += hardwareLineHeight;

   413         }

   414         y += pair.Value.Count * sensorLineHeight;

   415       }

   416       if (sensors.Count == 0)

   417         y += 4 * sensorLineHeight + hardwareLineHeight;

   418       y += bottomMargin;

   419       this.Size = new Size(width, y);

   420     }

   422     private void DrawImageWidthBorder(Graphics g, int width, int height,

   423       Image back, int t, int b, int l, int r)

   424     {

   425       GraphicsUnit u = GraphicsUnit.Pixel;

   427       g.DrawImage(back, new Rectangle(0, 0, l, t),

   428             new Rectangle(0, 0, l, t), u);

   429       g.DrawImage(back, new Rectangle(l, 0, width - l - r, t),

   430         new Rectangle(l, 0, back.Width - l - r, t), u);

   431       g.DrawImage(back, new Rectangle(width - r, 0, r, t),

   432         new Rectangle(back.Width - r, 0, r, t), u);

   434       g.DrawImage(back, new Rectangle(0, t, l, height - t - b),

   435         new Rectangle(0, t, l, back.Height - t - b), u);

   436       g.DrawImage(back, new Rectangle(l, t, width - l - r, height - t - b),

   437         new Rectangle(l, t, back.Width - l - r, back.Height - t - b), u);

   438       g.DrawImage(back, new Rectangle(width - r, t, r, height - t - b),

   439         new Rectangle(back.Width - r, t, r, back.Height - t - b), u);

   441       g.DrawImage(back, new Rectangle(0, height - b, l, b),

   442         new Rectangle(0, back.Height - b, l, b), u);

   443       g.DrawImage(back, new Rectangle(l, height - b, width - l - r, b),

   444         new Rectangle(l, back.Height - b, back.Width - l - r, b), u);

   445       g.DrawImage(back, new Rectangle(width - r, height - b, r, b),

   446         new Rectangle(back.Width - r, back.Height - b, r, b), u);

   447     }

   449     private void DrawBackground(Graphics g) {

   450       int w = Size.Width;

   451       int h = Size.Height;

   453       if (w != background.Width || h != background.Height) {

   455         background.Dispose();

   456         background = new Bitmap(w, h, PixelFormat.Format32bppPArgb);

   457         using (Graphics graphics = Graphics.FromImage(background)) {

   459           DrawImageWidthBorder(graphics, w, h, back, topBorder, bottomBorder,

   460             leftBorder, rightBorder);

   462           if (fore != null)

   463             DrawImageWidthBorder(graphics, w, h, fore, topBorder, bottomBorder,

   464             leftBorder, rightBorder);

   466           if (image != null) {

   467             int width = w - leftBorder - rightBorder;

   468             int height = h - topBorder - bottomBorder;

   469             float xRatio = width / (float)image.Width;

   470             float yRatio = height / (float)image.Height;

   471             float destWidth, destHeight;

   472             float xOffset, yOffset;

   473             if (xRatio < yRatio) {

   474               destWidth = width;

   475               destHeight = image.Height * xRatio;

   476               xOffset = 0;

   477               yOffset = 0.5f * (height - destHeight);

   478             } else {

   479               destWidth = image.Width * yRatio;

   480               destHeight = height;

   481               xOffset = 0.5f * (width - destWidth);

   482               yOffset = 0;

   483             }

   485             graphics.DrawImage(image,

   486               new RectangleF(leftBorder + xOffset, topBorder + yOffset,

   487                 destWidth, destHeight));

   488           }

   489         }

   490       }

   492       g.DrawImageUnscaled(background, 0, 0);

   493     }

   495     private void DrawProgress(Graphics g, float x, float y,

   496       float width, float height, float progress)

   497     {

   498       g.DrawImage(barBack,

   499         new RectangleF(x + width * progress, y, width * (1 - progress), height),

   500         new RectangleF(barBack.Width * progress, 0,

   501           (1 - progress) * barBack.Width, barBack.Height),

   502         GraphicsUnit.Pixel);

   503       g.DrawImage(barFore,

   504         new RectangleF(x, y, width * progress, height),

   505         new RectangleF(0, 0, progress * barFore.Width, barFore.Height),

   506         GraphicsUnit.Pixel);

   507     }

   509     protected override void OnPaint(PaintEventArgs e) {

   510       Graphics g = e.Graphics;

   511       int w = Size.Width;

   513       g.Clear(Color.Transparent);

   515       DrawBackground(g);

   517       int x;

   518       int y = topMargin;

   520       if (sensors.Count == 0) {

   521         x = leftBorder + 1;

   522         g.DrawString("Right-click on a sensor in the main window and select " +

   523           "\"Show in Gadget\" to show the sensor here.",

   524           smallFont, Brushes.White,

   525           new Rectangle(x, y - 1, w - rightBorder - x, 0));

   526       }

   528       foreach (KeyValuePair<IHardware, IList<ISensor>> pair in sensors) {

   529         if (hardwareNames.Value) {

   530           if (y > topMargin)

   531             y += hardwareLineHeight - sensorLineHeight;

   532           x = leftBorder + 1;

   533           g.DrawImage(HardwareTypeImage.Instance.GetImage(pair.Key.HardwareType),

   534             new Rectangle(x, y + 1, iconSize, iconSize));

   535           x += iconSize + 1;

   536           g.DrawString(pair.Key.Name, largeFont, Brushes.White,

   537             new Rectangle(x, y - 1, w - rightBorder - x, 0),

   538             stringFormat);

   539           y += hardwareLineHeight;

   540         }

   542         foreach (ISensor sensor in pair.Value) {

   543           int remainingWidth;

   546           if ((sensor.SensorType != SensorType.Load &&

   547                sensor.SensorType != SensorType.Control &&

   548                sensor.SensorType != SensorType.Level) || !sensor.Value.HasValue)

   549           {

   550             string formatted;

   552             if (sensor.Value.HasValue) {

   553               string format = "";

   554               switch (sensor.SensorType) {

   555                 case SensorType.Voltage:

   556                   format = "{0:F3} V";

   557                   break;

   558                 case SensorType.Clock:

   559                   format = "{0:F0} MHz";

   560                   break;

   561                 case SensorType.Temperature:

   562                   format = "{0:F1} °C";

   563                   break;

   564                 case SensorType.Fan:

   565                   format = "{0:F0} RPM";

   566                   break;

   567                 case SensorType.Flow:

   568                   format = "{0:F0} L/h";

   569                   break;

   570                 case SensorType.Power:

   571                   format = "{0:F1} W";

   572                   break;

   573                 case SensorType.Data:

   574                   format = "{0:F1} GB";

   575                   break;

   576                 case SensorType.Factor:

   577                   format = "{0:F3}";

   578                   break;

   579               }

   581               if (sensor.SensorType == SensorType.Temperature &&

   582                 unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit) {

   583                 formatted = string.Format("{0:F1} °F",

   584                   sensor.Value * 1.8 + 32);

   585               } else {

   586                 formatted = string.Format(format, sensor.Value);

   587               }

   588             } else {

   589               formatted = "-";

   590             }

   592             g.DrawString(formatted, smallFont, darkWhite,

   593               new RectangleF(-1, y - 1, w - rightMargin + 3, 0),

   594               alignRightStringFormat);

   596             remainingWidth = w - (int)Math.Floor(g.MeasureString(formatted,

   597               smallFont, w, StringFormat.GenericTypographic).Width) -

   598               rightMargin;

   599           } else {

   600             DrawProgress(g, w - progressWidth - rightMargin,

   601               y + 0.35f * sensorLineHeight, progressWidth,

   602               0.6f * sensorLineHeight, 0.01f * sensor.Value.Value);

   604             remainingWidth = w - progressWidth - rightMargin;

   605           }

   607           remainingWidth -= leftMargin + 2;

   608           if (remainingWidth > 0) {

   609             g.DrawString(sensor.Name, smallFont, darkWhite,

   610               new RectangleF(leftMargin - 1, y - 1, remainingWidth, 0),

   611               trimStringFormat);

   612           }

   614           y += sensorLineHeight;

   615         }

   616       }

   617     }

   619     private class HardwareComparer : IComparer<IHardware> {

   620       public int Compare(IHardware x, IHardware y) {

   621         if (x == null && y == null)

   622           return 0;

   623         if (x == null)

   624           return -1;

   625         if (y == null)

   626           return 1;

   628         if (x.HardwareType != y.HardwareType)

   629           return x.HardwareType.CompareTo(y.HardwareType);

   631         return x.Identifier.CompareTo(y.Identifier);

   632       }

   633     }

   634   }

   635 }

author	moel.mich
	Mon, 02 Jul 2012 21:14:40 +0000
changeset 357	fb8dc26f65a4
parent 342	2486df89b9e5
child 362	1dfe9dac1651
permissions	-rw-r--r--