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Fix chat not scrolling back properly when many empty lines. (Thanks Good)

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This commit is contained in:
UnknownShadow200 2016-03-02 12:53:02 +11:00
parent 2d4e6a7394
commit 32f6ba8563
2 changed files with 49 additions and 40 deletions
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79
ClassicalSharp/2D/Screens/ChatScreen.cs
View File

@ -49,25 +49,25 @@ namespace ClassicalSharp {
void ConstructWidgets() {
textInput = new TextInputWidget( game, chatFont, chatBoldFont );
textInput.YOffset = blockSize + 5;
status = new TextGroupWidget( game, 4, chatFont, chatUnderlineFont,
status = new TextGroupWidget( game, 4, chatFont, chatUnderlineFont,
Anchor.BottomOrRight, Anchor.LeftOrTop );
status.Init();
status.SetUsePlaceHolder( 0, false );
bottomRight = new TextGroupWidget( game, 3, chatFont, chatUnderlineFont,
bottomRight = new TextGroupWidget( game, 3, chatFont, chatUnderlineFont,
Anchor.BottomOrRight, Anchor.BottomOrRight );
bottomRight.YOffset = blockSize * 3 / 2;
bottomRight.Init();
normalChat = new TextGroupWidget( game, chatLines, chatFont, chatUnderlineFont,
normalChat = new TextGroupWidget( game, chatLines, chatFont, chatUnderlineFont,
Anchor.LeftOrTop, Anchor.BottomOrRight );
normalChat.XOffset = 10;
normalChat.YOffset = blockSize * 2 + 15;
normalChat.Init();
clientStatus = new TextGroupWidget( game, game.Chat.ClientStatus.Length, chatFont,
clientStatus = new TextGroupWidget( game, game.Chat.ClientStatus.Length, chatFont,
chatUnderlineFont, Anchor.LeftOrTop, Anchor.BottomOrRight );
clientStatus.XOffset = 10;
clientStatus.YOffset = blockSize * 2 + 15;
clientStatus.Init();
announcement = ChatTextWidget.Create( game, 0, 0, null,
announcement = ChatTextWidget.Create( game, 0, 0, null,
Anchor.Centre, Anchor.Centre, announcementFont );
announcement.YOffset = -game.Height / 4;
}
@ -150,7 +150,9 @@ namespace ClassicalSharp {
static FastColour backColour = new FastColour( 60, 60, 60, 180 );
public void RenderBackground() {
int height = normalChat.GetUsedHeight();
int minIndex = Math.Min( 0, game.Chat.Log.Count - chatLines );
int height = chatIndex == minIndex ? normalChat.GetUsedHeight() : normalChat.Height;
int y = normalChat.Y + normalChat.Height - height - 5;
int x = normalChat.X - 5;
int width = Math.Max( clientStatus.Width, normalChat.Width ) + 10;
@ -160,7 +162,7 @@ namespace ClassicalSharp {
graphicsApi.Draw2DQuad( x, y, width, boxHeight + 10, backColour );
}
int inputOldHeight = -1, oldStatusOffset = -1;
int inputOldHeight = -1;
void UpdateChatYOffset( bool force ) {
int height = textInput.RealHeight;
if( force || height != inputOldHeight ) {
@ -313,13 +315,13 @@ namespace ClassicalSharp {
textInput.SendTextInBufferAndReset();
chatIndex = game.Chat.Log.Count - chatLines;
ResetIndex();
ScrollHistory();
} else if( key == Key.PageUp ) {
chatIndex -= chatLines;
ResetIndex();
ScrollHistory();
} else if( key == Key.PageDown ) {
chatIndex += chatLines;
ResetIndex();
ScrollHistory();
} else {
textInput.HandlesKeyDown( key );
}
@ -339,40 +341,43 @@ namespace ClassicalSharp {
public override bool HandlesMouseScroll( int delta ) {
if( !HandlesAllInput ) return false;
chatIndex -= delta;
ResetIndex();
ScrollHistory();
return true;
}
public override bool HandlesMouseClick( int mouseX, int mouseY, MouseButton button ) {
if( !HandlesAllInput || game.HideGui ) return false;
if( normalChat.Bounds.Contains( mouseX, mouseY ) ) {
int height = normalChat.GetUsedHeight();
int y = normalChat.Y + normalChat.Height - height;
if( new Rectangle( normalChat.X, y, normalChat.Width, height ).Contains( mouseX, mouseY ) ) {
string text = normalChat.GetSelected( mouseX, mouseY );
if( text == null ) return false;
if( Utils.IsUrlPrefix( text ) ) {
game.ShowWarning( new WarningScreen(
game, text, false, "Are you sure you want to go to this url?",
OpenUrl, AppendUrl, null, text,
"Be careful - urls from strangers may link to websites that",
" may have viruses, or things you may not want to open/see."
) );
} else if( game.ClickableChat ) {
for( int i = 0; i < text.Length; i++ ) {
if( !IsValidInputChar( text[i] ) ) {
game.Chat.Add( "&eChatline contained characters that can't be sent on this server." );
return true;
}
}
textInput.AppendText( text );
if( !normalChat.Bounds.Contains( mouseX, mouseY ) )
return textInput.HandlesMouseClick( mouseX, mouseY, button );
int height = normalChat.GetUsedHeight();
int y = normalChat.Y + normalChat.Height - height;
if( new Rectangle( normalChat.X, y, normalChat.Width, height ).Contains( mouseX, mouseY ) )
return HandlesChatClick( mouseX, mouseY );
return false;
}
bool HandlesChatClick( int mouseX, int mouseY ) {
string text = normalChat.GetSelected( mouseX, mouseY );
if( text == null ) return false;
if( Utils.IsUrlPrefix( text ) ) {
game.ShowWarning( new WarningScreen(
game, text, false, "Are you sure you want to go to this url?",
OpenUrl, AppendUrl, null, text,
"Be careful - urls from strangers may link to websites that",
" may have viruses, or things you may not want to open/see."
) );
} else if( game.ClickableChat ) {
for( int i = 0; i < text.Length; i++ ) {
if( !IsValidInputChar( text[i] ) ) {
game.Chat.Add( "&eChatline contained characters that can't be sent on this server." );
return true;
}
return true;
}
return false;
textInput.AppendText( text );
}
return textInput.HandlesMouseClick( mouseX, mouseY, button );
return true;
}
void OpenUrl( WarningScreen screen ) {
@ -388,7 +393,7 @@ namespace ClassicalSharp {
textInput.AppendText( (string)screen.Metadata );
}
void ResetIndex() {
void ScrollHistory() {
int maxIndex = game.Chat.Log.Count - chatLines;
int minIndex = Math.Min( 0, maxIndex );
Utils.Clamp( ref chatIndex, minIndex, maxIndex );

10
ClassicalSharp/2D/Widgets/Chat/TextGroupWidget.cs
View File

@ -86,11 +86,15 @@ namespace ClassicalSharp {
}
public int GetUsedHeight() {
int sum = 0;
int sum = 0, max = Textures.Length;
for( int i = 0; i < Textures.Length; i++ ) {
if( Textures[i].IsValid )
sum += Textures[i].Height;
if( Textures[i].IsValid ) {
max = i; break;
}
}
for( int i = max; i < Textures.Length; i++ )
sum += Textures[i].Height;
return sum;
}