Switch to MVP pattern
This commit is contained in:
Anton Kasyanov
444
Eve-O-Preview/Thumbnail/Implementation/ThumbnailWindow.cs
Normal file
444
Eve-O-Preview/Thumbnail/Implementation/ThumbnailWindow.cs
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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using EveOPreview.Configuration;
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using EveOPreview.UI;
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namespace EveOPreview.Thumbnails
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{
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public partial class ThumbnailWindow : Form, IThumbnail
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{
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#region Private fields
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private readonly bool _isInitializing;
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private readonly IntPtr _sourceWindow;
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private readonly IThumbnailManager _manager;
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private readonly ThumbnailOverlay _overlay;
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private Hotkey _hotkey; // This field stores the hotkey reference
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private Size _baseSize;
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private Point _basePosition;
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private bool _isThumbnailSetUp;
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private DWM_THUMBNAIL_PROPERTIES _Thumbnail;
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private IntPtr _ThumbnailHandle;
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private bool _ignoreMouseOverEvent;
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private bool _isHoverEffectActive;
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private bool _isZoomActive;
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#endregion
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// This constructor should never be used directly
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public ThumbnailWindow(IThumbnailManager manager, IntPtr sourceWindow, string title, Size size)
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{
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this._isInitializing = true;
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this.IsPreviewEnabled = true;
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this.IsOverlayEnabled = true;
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this._sourceWindow = sourceWindow;
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this._manager = manager;
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this._isThumbnailSetUp = false;
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this._ignoreMouseOverEvent = false;
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this._isHoverEffectActive = false;
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this._isZoomActive = false;
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InitializeComponent();
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this.Text = title;
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this._overlay = new ThumbnailOverlay(this.Preview_Click);
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this._isInitializing = false;
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this.SetSize(size);
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}
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public IntPtr Id
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{
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get
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{
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return this._sourceWindow;
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}
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}
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public bool IsZoomEnabled { get; set; }
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public bool IsPreviewEnabled { get; set; }
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public bool IsOverlayEnabled { get; set; }
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public bool IsPreviewHandle(IntPtr handle)
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{
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return (this.Handle == handle) || (this._overlay.Handle == handle);
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}
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public void ShowThumbnail()
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{
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if (this.IsPreviewEnabled)
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{
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this.Show();
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if (this.IsOverlayEnabled)
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{
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this._overlay.Show();
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this.MakeOverlayTopMost();
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}
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else
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{
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this._overlay.Hide();
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}
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}
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else
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{
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this.HideThumbnail();
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}
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}
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public void HideThumbnail()
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{
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this.Hide();
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this._overlay.Hide();
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}
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public void CloseThumbnail()
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{
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this._overlay.Close();
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this.Close();
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}
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public void SetLabel(string label)
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{
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this.Text = label;
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this._overlay.SetOverlayLabel(label);
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}
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public string GetLabel()
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{
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return this.Text;
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}
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public void SetSize(Size size)
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{
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this.Size = size;
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this._baseSize = this.Size;
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this._basePosition = this.Location;
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}
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public void SetLocation(Point location)
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{
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if (!(this._isInitializing || this._ignoreMouseOverEvent))
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{
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this.Location = location;
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}
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this.RefreshPreview();
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}
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public Point GetLocation()
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{
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return this.Location;
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}
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public void SetOpacity(double opacity)
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{
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if (this._isHoverEffectActive)
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{
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return;
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}
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this.Opacity = opacity;
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}
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public void RegisterShortcut(string shortcut)
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{
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if (String.IsNullOrEmpty(shortcut))
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{
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return;
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}
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KeysConverter converter = new KeysConverter();
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object keysObject = converter.ConvertFrom(shortcut);
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if (keysObject == null)
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{
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return;
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}
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Keys key = (Keys)keysObject;
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Hotkey hotkey = new Hotkey();
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if ((key & Keys.Shift) == Keys.Shift)
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{
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hotkey.Shift = true;
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}
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if ((key & Keys.Alt) == Keys.Alt)
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{
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hotkey.Alt = true;
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}
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if ((key & Keys.Control) == Keys.Control)
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{
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hotkey.Control = true;
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}
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key = key & ~Keys.Shift & ~Keys.Alt & ~Keys.Control;
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hotkey.KeyCode = key;
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hotkey.Pressed += Hotkey_Pressed;
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hotkey.Register(this);
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this._hotkey = hotkey;
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}
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public void SetTopMost(bool topmost)
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{
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if (!this.IsPreviewEnabled)
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{
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return;
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}
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this.TopMost = topmost;
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this.MakeOverlayTopMost();
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}
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public void SetWindowFrames(bool enable)
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{
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this.FormBorderStyle = enable ? FormBorderStyle.SizableToolWindow : FormBorderStyle.None;
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}
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protected override CreateParams CreateParams
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{
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get
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{
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var Params = base.CreateParams;
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Params.ExStyle |= (int)DwmApiNativeMethods.WS_EX_TOOLWINDOW;
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return Params;
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}
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}
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private void Preview_MouseHover(object sender, EventArgs e)
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{
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if (!this._ignoreMouseOverEvent)
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{
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this._ignoreMouseOverEvent = true;
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if (this.IsZoomEnabled)
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{
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this.ZoomIn();
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}
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this.SetTopMost(true);
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}
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this.Opacity = 1.0f;
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this._isHoverEffectActive = true;
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this.RefreshPreview();
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}
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private void Preview_MouseLeave(object sender, EventArgs e)
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{
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if (this._ignoreMouseOverEvent)
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{
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if (this.IsZoomEnabled)
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{
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this.ZoomOut();
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}
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this._ignoreMouseOverEvent = false;
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}
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this._isHoverEffectActive = false;
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this.Opacity = Properties.Settings.Default.opacity; // TODO Use local object
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this.RefreshPreview();
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}
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private void Preview_Click(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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this.ActivateClient();
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this._manager.NotifyPreviewSwitch();
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}
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if (e.Button == MouseButtons.Right)
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{
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// do smth cool?
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}
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if (e.Button == MouseButtons.Middle)
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{
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// do smth cool?
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}
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}
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private void Hotkey_Pressed(Object sender, EventArgs e)
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{
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this.ActivateClient();
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this._manager.NotifyPreviewSwitch();
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}
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protected override void OnResize(EventArgs e)
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{
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this.RefreshPreview();
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base.OnResize(e);
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if (!(this._isInitializing || this._ignoreMouseOverEvent))
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{
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this._manager.SyncPreviewSize(this.Size);
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}
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}
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protected override void OnMove(EventArgs e)
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{
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base.OnMove(e);
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if (!(this._isInitializing || this._ignoreMouseOverEvent))
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{
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this._manager.UpdatePreviewPosition(this.Text, this.Location);
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}
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this.RefreshPreview();
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}
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private void MakeOverlayTopMost()
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{
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this._overlay.TopMost = true;
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}
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private void RefreshPreview()
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{
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if (this._isInitializing)
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{
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return;
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}
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if (DwmApiNativeMethods.DwmIsCompositionEnabled())
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{
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if (this._isThumbnailSetUp == false)
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{
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this.SetUpThumbnail();
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}
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this._Thumbnail.rcDestination = new RECT(0, 0, this.ClientRectangle.Right, this.ClientRectangle.Bottom);
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DwmApiNativeMethods.DwmUpdateThumbnailProperties(this._ThumbnailHandle, this._Thumbnail);
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}
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else
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{
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this._isThumbnailSetUp = false;
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}
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Size overlaySize = this.RenderAreaPictureBox.Size;
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overlaySize.Width -= 2 * 5;
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overlaySize.Height -= 2 * 5;
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Point overlayLocation = this.Location;
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overlayLocation.X += 5 + (this.Size.Width - this.RenderAreaPictureBox.Size.Width) / 2;
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overlayLocation.Y += 5 + (this.Size.Height - this.RenderAreaPictureBox.Size.Height) - (this.Size.Width - this.RenderAreaPictureBox.Size.Width) / 2;
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this._overlay.Size = overlaySize;
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this._overlay.Location = overlayLocation;
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}
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private void SetUpThumbnail()
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{
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if (this._isThumbnailSetUp || !DwmApiNativeMethods.DwmIsCompositionEnabled())
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{
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return;
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}
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this._ThumbnailHandle = DwmApiNativeMethods.DwmRegisterThumbnail(this.Handle, this._sourceWindow);
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this._Thumbnail = new DWM_THUMBNAIL_PROPERTIES();
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this._Thumbnail.dwFlags = DWM_TNP_CONSTANTS.DWM_TNP_VISIBLE
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+ DWM_TNP_CONSTANTS.DWM_TNP_OPACITY
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+ DWM_TNP_CONSTANTS.DWM_TNP_RECTDESTINATION
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+ DWM_TNP_CONSTANTS.DWM_TNP_SOURCECLIENTAREAONLY;
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this._Thumbnail.opacity = 255;
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this._Thumbnail.fVisible = true;
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this._Thumbnail.fSourceClientAreaOnly = true;
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this._isThumbnailSetUp = true;
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}
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private void ZoomIn()
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{
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if (this._isZoomActive)
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{
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return;
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}
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this._isZoomActive = true;
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// TODO Use global settings object
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float zoomFactor = Properties.Settings.Default.zoom_amount;
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this._baseSize = this.Size;
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this._basePosition = this.Location;
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this.Size = new Size((int)(zoomFactor * this.Size.Width), (int)(zoomFactor * this.Size.Height));
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// TODO Use global settings object
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switch ((ZoomAnchor)Properties.Settings.Default.zoom_anchor)
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{
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case ZoomAnchor.NW:
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break;
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case ZoomAnchor.N:
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this.Location = new Point(this.Location.X - this.Size.Width / 2 + this._baseSize.Width / 2, this.Location.Y);
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break;
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case ZoomAnchor.NE:
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this.Location = new Point(this.Location.X - this.Size.Width + this._baseSize.Width, this.Location.Y);
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break;
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case ZoomAnchor.W:
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this.Location = new Point(this.Location.X, this.Location.Y - this.Size.Height / 2 + this._baseSize.Height / 2);
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break;
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case ZoomAnchor.C:
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this.Location = new Point(this.Location.X - this.Size.Width / 2 + this._baseSize.Width / 2, this.Location.Y - this.Size.Height / 2 + this._baseSize.Height / 2);
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break;
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case ZoomAnchor.E:
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this.Location = new Point(this.Location.X - this.Size.Width + this._baseSize.Width, this.Location.Y - this.Size.Height / 2 + this._baseSize.Height / 2);
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break;
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case ZoomAnchor.SW:
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this.Location = new Point(this.Location.X, this.Location.Y - this.Size.Height + this._baseSize.Height);
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break;
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case ZoomAnchor.S:
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this.Location = new Point(this.Location.X - this.Size.Width / 2 + this._baseSize.Width / 2, this.Location.Y - this.Size.Height + this._baseSize.Height);
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break;
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case ZoomAnchor.SE:
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this.Location = new Point(this.Location.X - this.Size.Width + this._baseSize.Width, this.Location.Y - this.Size.Height + this._baseSize.Height);
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break;
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}
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}
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private void ZoomOut()
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{
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if (!this._isZoomActive)
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{
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return;
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}
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this.Size = this._baseSize;
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this.Location = this._basePosition;
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this._isZoomActive = false;
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}
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private void ActivateClient()
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{
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DwmApiNativeMethods.SetForegroundWindow(this._sourceWindow);
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int style = DwmApiNativeMethods.GetWindowLong(this._sourceWindow, DwmApiNativeMethods.GWL_STYLE);
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if ((style & DwmApiNativeMethods.WS_MAXIMIZE) == DwmApiNativeMethods.WS_MAXIMIZE)
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{
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// Client is already maximized, no action is required
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}
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else if ((style & DwmApiNativeMethods.WS_MINIMIZE) == DwmApiNativeMethods.WS_MINIMIZE)
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{
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DwmApiNativeMethods.ShowWindowAsync(this._sourceWindow, DwmApiNativeMethods.SW_SHOWNORMAL);
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}
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}
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}
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}
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