Merged in homigoshzur/eve-o-preview-git-shortcuts/feature_keyboard_shortcuts (pull request #1)
Customizable keyboard shortcuts
This commit is contained in:
Ulf Hammarqvist
302
Hotkey.cs
Normal file
302
Hotkey.cs
Normal file
@@ -0,0 +1,302 @@
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using System;
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using System.Windows.Forms;
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using System.ComponentModel;
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using System.Xml.Serialization;
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using System.Runtime.InteropServices;
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namespace MovablePython
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{
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public class Hotkey : IMessageFilter
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{
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#region Interop
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[DllImport("user32.dll", SetLastError = true)]
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private static extern int RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, Keys vk);
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[DllImport("user32.dll", SetLastError=true)]
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private static extern int UnregisterHotKey(IntPtr hWnd, int id);
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private const uint WM_HOTKEY = 0x312;
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private const uint MOD_ALT = 0x1;
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private const uint MOD_CONTROL = 0x2;
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private const uint MOD_SHIFT = 0x4;
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private const uint MOD_WIN = 0x8;
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private const uint ERROR_HOTKEY_ALREADY_REGISTERED = 1409;
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#endregion
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private static int currentID;
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private const int maximumID = 0xBFFF;
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private Keys keyCode;
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private bool shift;
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private bool control;
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private bool alt;
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private bool windows;
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[XmlIgnore]
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private int id;
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[XmlIgnore]
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private bool registered;
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[XmlIgnore]
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private Control windowControl;
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public event HandledEventHandler Pressed;
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public Hotkey() : this(Keys.None, false, false, false, false)
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{
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// No work done here!
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}
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public Hotkey(Keys keyCode, bool shift, bool control, bool alt, bool windows)
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{
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// Assign properties
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this.KeyCode = keyCode;
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this.Shift = shift;
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this.Control = control;
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this.Alt = alt;
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this.Windows = windows;
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// Register us as a message filter
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Application.AddMessageFilter(this);
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}
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~Hotkey()
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{
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// Unregister the hotkey if necessary
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if (this.Registered)
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{ this.Unregister(); }
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}
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public Hotkey Clone()
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{
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// Clone the whole object
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return new Hotkey(this.keyCode, this.shift, this.control, this.alt, this.windows);
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}
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public bool GetCanRegister(Control windowControl)
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{
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// Handle any exceptions: they mean "no, you can't register" :)
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try
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{
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// Attempt to register
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if (!this.Register(windowControl))
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{ return false; }
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// Unregister and say we managed it
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this.Unregister();
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return true;
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}
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catch (Win32Exception)
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{ return false; }
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catch (NotSupportedException)
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{ return false; }
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}
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public bool Register(Control windowControl)
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{
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// Check that we have not registered
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if (this.registered)
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{ throw new NotSupportedException("You cannot register a hotkey that is already registered"); }
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// We can't register an empty hotkey
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if (this.Empty)
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{ throw new NotSupportedException("You cannot register an empty hotkey"); }
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// Get an ID for the hotkey and increase current ID
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this.id = Hotkey.currentID;
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Hotkey.currentID = Hotkey.currentID + 1 % Hotkey.maximumID;
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// Translate modifier keys into unmanaged version
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uint modifiers = (this.Alt ? Hotkey.MOD_ALT : 0) | (this.Control ? Hotkey.MOD_CONTROL : 0) |
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(this.Shift ? Hotkey.MOD_SHIFT : 0) | (this.Windows ? Hotkey.MOD_WIN : 0);
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// Register the hotkey
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if (Hotkey.RegisterHotKey(windowControl.Handle, this.id, modifiers, keyCode) == 0)
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{
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// Is the error that the hotkey is registered?
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if (Marshal.GetLastWin32Error() == ERROR_HOTKEY_ALREADY_REGISTERED)
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{ return false; }
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else
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{ throw new Win32Exception(); }
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}
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// Save the control reference and register state
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this.registered = true;
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this.windowControl = windowControl;
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// We successfully registered
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return true;
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}
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public void Unregister()
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{
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// Check that we have registered
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if (!this.registered)
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{ throw new NotSupportedException("You cannot unregister a hotkey that is not registered"); }
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// It's possible that the control itself has died: in that case, no need to unregister!
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if (!this.windowControl.IsDisposed)
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{
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// Clean up after ourselves
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if (Hotkey.UnregisterHotKey(this.windowControl.Handle, this.id) == 0)
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{ throw new Win32Exception(); }
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}
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// Clear the control reference and register state
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this.registered = false;
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this.windowControl = null;
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}
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private void Reregister()
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{
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// Only do something if the key is already registered
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if (!this.registered)
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{ return; }
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// Save control reference
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Control windowControl = this.windowControl;
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// Unregister and then reregister again
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this.Unregister();
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this.Register(windowControl);
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}
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public bool PreFilterMessage(ref Message message)
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{
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// Only process WM_HOTKEY messages
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if (message.Msg != Hotkey.WM_HOTKEY)
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{ return false; }
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// Check that the ID is our key and we are registerd
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if (this.registered && (message.WParam.ToInt32() == this.id))
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{
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// Fire the event and pass on the event if our handlers didn't handle it
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return this.OnPressed();
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}
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else
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{ return false; }
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}
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private bool OnPressed()
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{
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// Fire the event if we can
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HandledEventArgs handledEventArgs = new HandledEventArgs(false);
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if (this.Pressed != null)
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{ this.Pressed(this, handledEventArgs); }
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// Return whether we handled the event or not
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return handledEventArgs.Handled;
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}
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public override string ToString()
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{
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// We can be empty
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if (this.Empty)
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{ return "(none)"; }
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// Build key name
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string keyName = Enum.GetName(typeof(Keys), this.keyCode);;
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switch (this.keyCode)
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{
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case Keys.D0:
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case Keys.D1:
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case Keys.D2:
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case Keys.D3:
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case Keys.D4:
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case Keys.D5:
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case Keys.D6:
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case Keys.D7:
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case Keys.D8:
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case Keys.D9:
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// Strip the first character
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keyName = keyName.Substring(1);
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break;
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default:
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// Leave everything alone
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break;
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}
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// Build modifiers
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string modifiers = "";
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if (this.shift)
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{ modifiers += "Shift+"; }
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if (this.control)
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{ modifiers += "Control+"; }
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if (this.alt)
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{ modifiers += "Alt+"; }
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if (this.windows)
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{ modifiers += "Windows+"; }
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// Return result
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return modifiers + keyName;
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}
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public bool Empty
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{
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get { return this.keyCode == Keys.None; }
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}
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public bool Registered
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{
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get { return this.registered; }
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}
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public Keys KeyCode
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{
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get { return this.keyCode; }
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set
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{
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// Save and reregister
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this.keyCode = value;
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this.Reregister();
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}
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}
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public bool Shift
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{
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get { return this.shift; }
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set
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{
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// Save and reregister
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this.shift = value;
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this.Reregister();
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}
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}
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public bool Control
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{
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get { return this.control; }
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set
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{
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// Save and reregister
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this.control = value;
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this.Reregister();
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}
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}
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public bool Alt
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{
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get { return this.alt; }
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set
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{
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// Save and reregister
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this.alt = value;
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this.Reregister();
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}
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}
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public bool Windows
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{
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get { return this.windows; }
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set
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{
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// Save and reregister
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this.windows = value;
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this.Reregister();
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}
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}
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}
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}
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46
Preview.cs
46
Preview.cs
@@ -6,6 +6,7 @@ using System.Text;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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using System.Diagnostics;
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using MovablePython;
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namespace PreviewToy
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{
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@@ -26,6 +27,7 @@ namespace PreviewToy
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private bool has_been_set_up = false;
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private bool thumbnail_has_been_set_up = false;
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private PreviewToyHandler spawner;
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private Hotkey hotkey;
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private bool hide = false;
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@@ -41,6 +43,8 @@ namespace PreviewToy
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return this.Text;
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}
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public void MakeTopMost(bool topmost)
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{
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this.TopMost = topmost && !(this.hide);
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@@ -66,6 +70,8 @@ namespace PreviewToy
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this.old_position = this.Location;
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has_been_set_up = true;
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}
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public void preview_MouseHover(object sender, System.EventArgs e)
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@@ -84,6 +90,46 @@ namespace PreviewToy
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RefreshPreview();
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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 |= 0x80;
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return Params;
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}
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}
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public void registerShortcut(string shortcut)
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{
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if (shortcut == "")
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return;
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var cvt = new KeysConverter();
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var key = (Keys)cvt.ConvertFrom(shortcut);
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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.Register(this);
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hotkey.Pressed += delegate { bring_client_to_foreground(); spawner.preview_did_switch(); };
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this.hotkey = hotkey;
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}
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public void doZoom()
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{
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if (is_zoomed)
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@@ -27,6 +27,7 @@ namespace PreviewToy
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private Dictionary<String, Dictionary<String, Point>> unique_layouts;
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private Dictionary<String, Point> flat_layout;
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private Dictionary<String, String> flat_layout_shortcuts;
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private Dictionary<String, ClientLocation> client_layout;
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private bool is_initialized;
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@@ -89,6 +90,7 @@ namespace PreviewToy
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unique_layouts = new Dictionary<String, Dictionary<String, Point>>();
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flat_layout = new Dictionary<String, Point>();
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flat_layout_shortcuts = new Dictionary<String, String>();
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client_layout = new Dictionary<String, ClientLocation>();
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ignoring_size_sync = new Stopwatch();
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@@ -197,6 +199,8 @@ namespace PreviewToy
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else if (previews.ContainsKey(process.MainWindowHandle) && process.MainWindowTitle != previews[process.MainWindowHandle].Text) //or update the preview titles
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{
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previews[process.MainWindowHandle].SetLabel(process.MainWindowTitle);
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string key = previews[process.MainWindowHandle].Text;
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previews[process.MainWindowHandle].registerShortcut(flat_layout_shortcuts[key]);
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refresh_client_window_locations(process);
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}
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@@ -299,6 +303,12 @@ namespace PreviewToy
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foreach (var el in rootElement.Elements())
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{
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flat_layout[ParseXElement(el)] = new Point(Convert.ToInt32(el.Element("x").Value), Convert.ToInt32(el.Element("y").Value));
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flat_layout_shortcuts[ParseXElement(el)] = "";
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if (el.Element("shortcut") != null)
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{
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flat_layout_shortcuts[ParseXElement(el)] = el.Element("shortcut").Value;
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}
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}
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}
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@@ -355,6 +365,7 @@ namespace PreviewToy
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XElement layout = MakeXElement(clientKV.Key);
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layout.Add(new XElement("x", clientKV.Value.X));
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layout.Add(new XElement("y", clientKV.Value.Y));
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layout.Add(new XElement("shortcut", flat_layout_shortcuts[clientKV.Key]));
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el2.Add(layout);
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}
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@@ -41,5 +41,15 @@ namespace PreviewToy
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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 |= 0x80;
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return Params;
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}
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}
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}
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}
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@@ -95,6 +95,7 @@
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<Reference Include="WindowsBase" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Hotkey.cs" />
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<Compile Include="PreviewHandler.cs">
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<SubType>Form</SubType>
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</Compile>
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Reference in New Issue
Block a user