ClassiCube/ClassicalSharp/2D/Widgets/Chat/TextInputWidget.cs
2016-09-26 18:33:05 +10:00

301 lines
9.0 KiB
C#

// ClassicalSharp copyright 2014-2016 UnknownShadow200 | Licensed under MIT
using System;
using System.Drawing;
#if ANDROID
using Android.Graphics;
#endif
namespace ClassicalSharp.Gui.Widgets {
public sealed partial class TextInputWidget : Widget {
const int lines = 3;
internal AltTextInputWidget altText;
public TextInputWidget( Game game, Font font ) : base( game ) {
HorizontalAnchor = Anchor.LeftOrTop;
VerticalAnchor = Anchor.BottomOrRight;
typingLogPos = game.Chat.InputLog.Count; // Index of newest entry + 1.
buffer = new WrappableStringBuffer( Utils.StringLength * lines );
DrawTextArgs args = new DrawTextArgs( "_", font, true );
caretTex = game.Drawer2D.MakeChatTextTexture( ref args, 0, 0 );
caretTex.Width = (short)((caretTex.Width * 3) / 4);
defaultCaretWidth = caretTex.Width;
args = new DrawTextArgs( "> ", font, true );
Size defSize = game.Drawer2D.MeasureChatSize( ref args );
defaultWidth = Width = defSize.Width;
defaultHeight = Height = defSize.Height;
this.font = font;
altText = new AltTextInputWidget( game, font, this );
altText.Init();
}
public int UsedHeight {
get { return altText.Height == 0 ? Height + 20 : (game.Height - altText.Y + 5); }
}
Texture inputTex, caretTex, prefixTex;
int caretPos = -1, typingLogPos = 0;
int defaultCaretWidth, defaultWidth, defaultHeight;
internal WrappableStringBuffer buffer;
readonly Font font;
FastColour caretCol;
static FastColour backColour = new FastColour( 0, 0, 0, 127 );
public override void Render( double delta ) {
api.Texturing = false;
int y = Y, x = X;
for( int i = 0; i < sizes.Length; i++ ) {
if( i > 0 && sizes[i].Height == 0 ) break;
bool caretAtEnd = caretTex.Y1 == y && (indexX == LineLength || caretPos == -1);
int drawWidth = sizes[i].Width + (caretAtEnd ? caretTex.Width : 0);
// Cover whole window width to match original classic behaviour
if( game.PureClassic )
drawWidth = Math.Max( drawWidth, game.Width - X * 4 );
api.Draw2DQuad( x, y, drawWidth + 10, defaultHeight, backColour );
y += sizes[i].Height;
}
api.Texturing = true;
inputTex.Render( api );
caretTex.Render( api, caretCol );
if( altText.Active )
altText.Render( delta );
}
string[] parts = new string[lines];
int[] partLens = new int[lines];
Size[] sizes = new Size[lines];
int maxWidth = 0;
int indexX, indexY;
bool shownWarning;
int LineLength { get { return game.Server.SupportsPartialMessages ? 64 : 62; } }
int TotalChars { get { return LineLength * lines; } }
public override void Init() {
X = 5;
buffer.WordWrap( game.Drawer2D, ref parts, ref partLens,
LineLength, TotalChars );
for( int y = 0; y < sizes.Length; y++ )
sizes[y] = Size.Empty;
sizes[0].Width = defaultWidth; maxWidth = defaultWidth;
DrawTextArgs args = new DrawTextArgs( null, font, true );
for( int y = 0; y < lines; y++ ) {
int offset = y == 0 ? defaultWidth : 0;
args.Text = parts[y];
sizes[y] += game.Drawer2D.MeasureChatSize( ref args );
maxWidth = Math.Max( maxWidth, sizes[y].Width );
}
if( sizes[0].Height == 0 ) sizes[0].Height = defaultHeight;
bool supports = game.Server.SupportsPartialMessages;
if( buffer.Length > LineLength && !shownWarning && !supports ) {
game.Chat.Add( "&eNote: Each line will be sent as a separate packet.", MessageType.ClientStatus6 );
shownWarning = true;
} else if( buffer.Length <= LineLength && shownWarning ) {
game.Chat.Add( null, MessageType.ClientStatus6 );
shownWarning = false;
}
DrawString();
UpdateAltTextY();
CalculateCaretData();
}
void CalculateCaretData() {
if( caretPos >= buffer.Length ) caretPos = -1;
buffer.MakeCoords( caretPos, partLens, out indexX, out indexY );
DrawTextArgs args = new DrawTextArgs( null, font, true );
if( indexX == LineLength ) {
caretTex.X1 = 10 + sizes[indexY].Width;
caretCol = FastColour.Yellow;
caretTex.Width = (short)defaultCaretWidth;
} else {
args.Text = parts[indexY].Substring( 0, indexX );
Size trimmedSize = game.Drawer2D.MeasureChatSize( ref args );
if( indexY == 0 ) trimmedSize.Width += defaultWidth;
caretTex.X1 = 10 + trimmedSize.Width;
caretCol = FastColour.Scale( FastColour.White, 0.8f );
string line = parts[indexY];
args.Text = indexX < line.Length ? new String( line[indexX], 1 ) : "";
int caretWidth = indexX < line.Length ?
game.Drawer2D.MeasureChatSize( ref args ).Width : defaultCaretWidth;
caretTex.Width = (short)caretWidth;
}
caretTex.Y1 = sizes[0].Height * indexY + Y;
CalcCaretColour();
}
void DrawString() {
int totalHeight = 0;
for( int i = 0; i < lines; i++ )
totalHeight += sizes[i].Height;
Size size = new Size( maxWidth, totalHeight );
int realHeight = 0;
using( Bitmap bmp = IDrawer2D.CreatePow2Bitmap( size ) )
using( IDrawer2D drawer = game.Drawer2D )
{
drawer.SetBitmap( bmp );
DrawTextArgs args = new DrawTextArgs( "> ", font, true );
drawer.DrawChatText( ref args, 0, 0 );
for( int i = 0; i < parts.Length; i++ ) {
if( parts[i] == null ) break;
args.Text = parts[i];
char lastCol = GetLastColour( 0, i );
if( !IDrawer2D.IsWhiteColour( lastCol ) )
args.Text = "&" + lastCol + args.Text;
int offset = i == 0 ? defaultWidth : 0;
drawer.DrawChatText( ref args, offset, realHeight );
realHeight += sizes[i].Height;
}
inputTex = drawer.Make2DTexture( bmp, size, 10, 0 );
}
Height = realHeight == 0 ? defaultHeight : realHeight;
Y = game.Height - Height - YOffset;
inputTex.Y1 = Y;
Width = size.Width;
}
void CalcCaretColour() {
IDrawer2D drawer = game.Drawer2D;
char code = GetLastColour( indexX, indexY );
if( code != '\0' )
caretCol = drawer.Colours[code];
}
char GetLastColour( int indexX, int indexY ) {
int x = indexX;
IDrawer2D drawer = game.Drawer2D;
for( int y = indexY; y >= 0; y-- ) {
string part = parts[y];
char code = drawer.LastColour( part, x );
if( code != '\0' ) return code;
if( y > 0 ) x = parts[y - 1].Length;
}
return '\0';
}
public override void Dispose() {
api.DeleteTexture( ref inputTex );
}
public void DisposeFully() {
Dispose();
api.DeleteTexture( ref caretTex );
api.DeleteTexture( ref prefixTex );
altText.Dispose();
}
public override void MoveTo( int newX, int newY ) {
int dx = newX - X, dy = newY - Y;
X = newX; Y = newY;
caretTex.Y1 += dy;
inputTex.Y1 += dy;
UpdateAltTextY();
}
public void SendTextInBufferAndReset() {
SendInBuffer();
typingLogPos = game.Chat.InputLog.Count; // Index of newest entry + 1.
buffer.Clear();
caretPos = -1;
Dispose();
Height = defaultHeight;
originalText = null;
altText.SetActive( false );
game.Chat.Add( null, MessageType.ClientStatus4 );
game.Chat.Add( null, MessageType.ClientStatus5 );
game.Chat.Add( null, MessageType.ClientStatus6 );
}
void SendInBuffer() {
if( buffer.Empty ) return;
// Don't want trailing spaces in output message
string allText = new String( buffer.value, 0, buffer.TextLength );
game.Chat.InputLog.Add( allText );
if( game.Server.SupportsPartialMessages )
SendWithPartial( allText );
else
SendNormal();
}
void SendWithPartial( string allText ) {
// don't automatically word wrap the message.
while( allText.Length > Utils.StringLength ) {
game.Chat.Send( allText.Substring( 0, Utils.StringLength ), true );
allText = allText.Substring( Utils.StringLength );
}
game.Chat.Send( allText, false );
}
void SendNormal() {
int packetsCount = 0;
for( int i = 0; i < parts.Length; i++ ) {
if( parts[i] == null ) break;
packetsCount++;
}
// split up into both partial and final packet.
for( int i = 0; i < packetsCount - 1; i++ )
SendNormalText( i, true );
SendNormalText( packetsCount - 1, false );
}
void SendNormalText( int i, bool partial ) {
string text = parts[i];
char lastCol = GetLastColour( 0, i );
if( !IDrawer2D.IsWhiteColour( lastCol ) )
text = "&" + lastCol + text;
game.Chat.Send( text, partial );
}
public void Clear() {
buffer.Clear();
for( int i = 0; i < parts.Length; i++ ) {
parts[i] = null;
}
}
public void AppendText( string text ) {
if( buffer.Length + text.Length > TotalChars ) {
text = text.Substring( 0, TotalChars - buffer.Length );
}
if( text == "" ) return;
if( caretPos == -1 ) {
buffer.InsertAt( buffer.Length, text );
} else {
buffer.InsertAt( caretPos, text );
caretPos += text.Length;
if( caretPos >= buffer.Length ) caretPos = -1;
}
Recreate();
}
public void AppendChar( char c ) {
if( buffer.Length == TotalChars ) return;
if( caretPos == -1 ) {
buffer.InsertAt( buffer.Length, c );
} else {
buffer.InsertAt( caretPos, c );
caretPos++;
if( caretPos >= buffer.Length ) caretPos = -1;
}
Recreate();
}
}
}