mirror of
https://github.com/ClassiCube/ClassiCube.git
synced 2025-10-08 13:34:54 -04:00
300 lines
8.8 KiB
C#
300 lines
8.8 KiB
C#
// ClassicalSharp copyright 2014-2016 UnknownShadow200 | Licensed under MIT
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using System;
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using System.Collections.Generic;
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using System.Windows.Forms;
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using OpenTK.Input;
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namespace ClassicalSharp {
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public sealed partial class TextInputWidget : Widget {
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public override bool HandlesKeyPress( char key ) {
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if( game.HideGui ) return true;
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if( IsValidInputChar( key ) && key != '&' ) {
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AppendChar( key );
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return true;
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}
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return false;
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}
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public override bool HandlesKeyDown( Key key ) {
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if( game.HideGui )
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return key < Key.F1 || key > Key.F35;
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bool controlDown = game.IsKeyDown( Key.ControlLeft ) || game.IsKeyDown( Key.ControlRight );
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if( key == Key.Tab ) TabKey();
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else if( key == Key.Down ) DownKey( controlDown );
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else if( key == Key.Up ) UpKey( controlDown );
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else if( key == Key.Left ) LeftKey( controlDown );
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else if( key == Key.Right ) RightKey( controlDown );
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else if( key == Key.BackSpace ) BackspaceKey( controlDown );
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else if( key == Key.Delete ) DeleteKey();
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else if( key == Key.Home ) HomeKey();
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else if( key == Key.End ) EndKey();
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else if( game.Network.ServerSupportsFullCP437 &&
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key == game.InputHandler.Keys[KeyBinding.ExtendedInput] )
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altText.SetActive( !altText.Active );
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else if( controlDown && !OtherKey( key ) ) return false;
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return true;
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}
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void TabKey() {
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int pos = caretPos == -1 ? chatInputText.Length - 1 : caretPos;
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int start = pos;
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char[] value = chatInputText.value;
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while( start >= 0 && Char.IsLetterOrDigit( value[start] ) )
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start--;
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start++;
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if( pos < 0 || start > pos ) return;
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string part = new String( value, start, pos + 1 - start );
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List<string> matches = new List<string>();
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game.Chat.Add( null, MessageType.ClientStatus5 );
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bool extList = game.Network.UsingExtPlayerList;
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CpeListInfo[] info = game.CpePlayersList;
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Player[] players = game.Players.Players;
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for( int i = 0; i < EntityList.MaxCount; i++ ) {
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if( extList && info[i] == null ) continue;
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if( !extList && players[i] == null ) continue;
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string rawName = extList ? info[i].PlayerName : players[i].DisplayName;
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string name = Utils.StripColours( rawName );
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if( name.StartsWith( part, StringComparison.OrdinalIgnoreCase ) )
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matches.Add( name );
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}
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if( matches.Count == 1 ) {
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if( caretPos == -1 ) pos++;
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int len = pos - start;
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for( int i = 0; i < len; i++ )
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chatInputText.DeleteAt( start );
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if( caretPos != -1 ) caretPos -= len;
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AppendText( matches[0] );
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} else if( matches.Count > 1 ) {
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StringBuffer buffer = new StringBuffer( 64 );
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int index = 0;
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buffer.Append( ref index, "&e" );
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buffer.AppendNum( ref index, matches.Count );
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buffer.Append( ref index, " matching names: " );
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foreach( string match in matches ) {
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if( (match.Length + 1 + buffer.Length) > LineLength ) break;
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buffer.Append( ref index, match );
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buffer.Append( ref index, ' ' );
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}
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game.Chat.Add( buffer.ToString(), MessageType.ClientStatus5 );
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}
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}
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void BackspaceKey( bool controlDown ) {
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if( controlDown ) {
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if( caretPos == -1 )
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caretPos = chatInputText.Length - 1;
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int len = chatInputText.GetBackLength( caretPos );
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caretPos -= len;
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if( caretPos < 0 ) caretPos = 0;
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if( caretPos != 0 ) caretPos++; // Don't remove space.
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for( int i = 0; i <= len; i++ )
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chatInputText.DeleteAt( caretPos );
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Dispose();
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Init();
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return;
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}
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if( !chatInputText.Empty && caretPos != 0 ) {
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if( caretPos == -1 ) {
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chatInputText.DeleteAt( chatInputText.Length - 1 );
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} else {
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caretPos--;
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chatInputText.DeleteAt( caretPos );
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}
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Dispose();
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Init();
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}
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}
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void DeleteKey() {
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if( !chatInputText.Empty && caretPos != -1 ) {
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chatInputText.DeleteAt( caretPos );
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if( caretPos >= chatInputText.Length ) caretPos = -1;
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Dispose();
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Init();
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}
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}
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void LeftKey( bool controlDown ) {
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if( controlDown ) {
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if( caretPos == -1 )
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caretPos = chatInputText.Length - 1;
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caretPos -= chatInputText.GetBackLength( caretPos );
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CalculateCaretData();
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return;
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}
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if( !chatInputText.Empty ) {
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if( caretPos == -1 ) caretPos = chatInputText.Length;
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caretPos--;
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if( caretPos < 0 ) caretPos = 0;
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CalculateCaretData();
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}
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}
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void RightKey( bool controlDown ) {
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if( controlDown ) {
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caretPos += chatInputText.GetForwardLength( caretPos );
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if( caretPos >= chatInputText.Length ) caretPos = -1;
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CalculateCaretData();
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return;
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}
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if( !chatInputText.Empty && caretPos != -1 ) {
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caretPos++;
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if( caretPos >= chatInputText.Length ) caretPos = -1;
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CalculateCaretData();
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}
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}
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string originalText;
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void UpKey( bool controlDown ) {
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if( controlDown ) {
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int pos = caretPos == -1 ? chatInputText.Length : caretPos;
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if( pos < LineLength ) return;
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caretPos = pos - LineLength;
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CalculateCaretData();
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return;
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}
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if( typingLogPos == game.Chat.InputLog.Count )
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originalText = chatInputText.ToString();
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if( game.Chat.InputLog.Count > 0 ) {
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typingLogPos--;
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if( typingLogPos < 0 ) typingLogPos = 0;
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chatInputText.Clear();
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chatInputText.Append( 0, game.Chat.InputLog[typingLogPos] );
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caretPos = -1;
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Dispose();
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Init();
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}
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}
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void DownKey( bool controlDown ) {
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if( controlDown ) {
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if( caretPos == -1 || caretPos >= (lines - 1) * LineLength ) return;
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caretPos += LineLength;
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CalculateCaretData();
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return;
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}
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if( game.Chat.InputLog.Count > 0 ) {
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typingLogPos++;
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chatInputText.Clear();
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if( typingLogPos >= game.Chat.InputLog.Count ) {
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typingLogPos = game.Chat.InputLog.Count;
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if( originalText != null )
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chatInputText.Append( 0, originalText );
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} else {
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chatInputText.Append( 0, game.Chat.InputLog[typingLogPos] );
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}
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caretPos = -1;
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Dispose();
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Init();
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}
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}
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void HomeKey() {
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if( chatInputText.Empty ) return;
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caretPos = 0;
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CalculateCaretData();
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}
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void EndKey() {
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caretPos = -1;
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CalculateCaretData();
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}
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bool OtherKey( Key key ) {
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if( key == Key.V && chatInputText.Length < len ) {
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string text = Clipboard.GetText();
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if( String.IsNullOrEmpty( text ) ) return true;
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game.Chat.Add( null, MessageType.ClientStatus4 );
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for( int i = 0; i < text.Length; i++ ) {
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if( !IsValidInputChar( text[i] ) ) {
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const string warning = "&eClipboard contained some characters that can't be sent.";
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game.Chat.Add( warning, MessageType.ClientStatus4 );
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text = RemoveInvalidChars( text );
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break;
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}
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}
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AppendText( text );
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return true;
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} else if( key == Key.C ) {
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if( !chatInputText.Empty ) {
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Clipboard.SetText( chatInputText.ToString() );
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}
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return true;
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}
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return false;
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}
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string RemoveInvalidChars( string input ) {
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char[] chars = new char[input.Length];
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int length = 0;
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for( int i = 0; i < input.Length; i++ ) {
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char c = input[i];
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if( !IsValidInputChar( c ) ) continue;
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chars[length++] = c;
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}
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return new String( chars, 0, length );
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}
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public override bool HandlesMouseClick( int mouseX, int mouseY, MouseButton button ) {
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if( altText.Active && altText.Bounds.Contains( mouseX, mouseY ) ) {
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altText.HandlesMouseClick( mouseX, mouseY, button );
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altText.texture.Y1 = game.Height - (YOffset + Height + altText.texture.Height);
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altText.Y = altText.texture.Y1;
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} else if( button == MouseButton.Left ) {
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SetCaretToCursor( mouseX, mouseY );
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}
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return true;
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}
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unsafe void SetCaretToCursor( int mouseX, int mouseY ) {
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mouseX -= inputTex.X1; mouseY -= inputTex.Y1;
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DrawTextArgs args = new DrawTextArgs( null, font, true );
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IDrawer2D drawer = game.Drawer2D;
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int offset = 0, elemHeight = defaultHeight;
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string oneChar = new String( 'A', 1 );
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for( int y = 0; y < lines; y++ ) {
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string line = parts[y];
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if( line == null ) continue;
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for( int x = 0; x < line.Length; x++ ) {
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args.Text = line.Substring( 0, x );
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int trimmedWidth = drawer.MeasureChatSize( ref args ).Width;
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// avoid allocating an unnecessary string
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fixed( char* ptr = oneChar )
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ptr[0] = line[x];
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args.Text = oneChar;
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int elemWidth = drawer.MeasureChatSize( ref args ).Width;
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if( Contains( trimmedWidth, y * elemHeight, elemWidth, elemHeight, mouseX, mouseY ) ) {
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caretPos = offset + x;
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CalculateCaretData(); return;
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}
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}
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offset += line.Length;
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}
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caretPos = -1;
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CalculateCaretData();
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}
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}
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} |