493 lines
10 KiB
Ucode
493 lines
10 KiB
Ucode
Class KFGUI_TextField extends KFGUI_MultiComponent;
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`include(Build.uci)
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`include(Logger.uci)
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enum ETextFieldStyles
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{
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TEXT_FIELD_NONE,
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TEXT_FIELD_HSV,
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TEXT_FIELD_SCAN,
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TEXT_FIELD_FLASH
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};
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struct FTextPart
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{
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var string S;
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var ETextFieldStyles TextType;
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var Color C;
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var float X;
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structdefaultproperties
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{
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TextType=TEXT_FIELD_NONE
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}
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};
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struct FTextLineInfo
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{
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var array<FTextPart> Text;
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var float Y;
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};
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var KFGUI_ScrollBarV ScrollBar;
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var() string LineSplitter;
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var() protected string Text;
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var() Color TextColor;
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var() Canvas.FontRenderInfo TextFontInfo;
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var() float FontScale, MessageDisplayTime, MessageFadeInTime, MessageFadeOutTime;
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var() bool bNoReset, bFadeInOut, bUseOutlineText;
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var() int MaxHistory, OutlineSize;
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var protected transient array<FTextLineInfo> Lines, OrgLines;
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var transient float MaxHeight, ScrollWidth, OldSize[2], InitFontScale, TextHeight, FadeStartTime;
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var transient Font InitFont;
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var transient bool bShowScrollbar, bTextParsed;
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function SetText(string S)
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{
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if (Text == S)
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return;
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Text = S;
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OldSize[0] = -1; // Force to refresh.
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Lines.Length = 0;
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OrgLines.Length = 0;
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bTextParsed = false;
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}
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function AddText(string S, optional bool bIgnoreSpam)
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{
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Text $= S;
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OldSize[0] = -1;
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Lines.Length = 0;
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OrgLines.Length = 0;
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bTextParsed = false;
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}
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final function string GetText()
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{
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return Text;
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}
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final function ParseTextLines()
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{
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local array<string> SA;
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local int i, j,z;
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local string S;
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local color C;
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local ETextFieldStyles TextType;
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ParseStringIntoArray(Text, SA, LineSplitter, false);
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Lines.Length = SA.Length;
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C.A = 0;
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TextType = TEXT_FIELD_NONE;
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for (i=0; i < SA.Length; ++i)
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{
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Lines[i].Text.Length = 0;
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S = SA[i];
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if (S == "")
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continue;
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z = 0;
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while (true)
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{
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j = InStr(S, "#{");
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if (j > 0)
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{
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Lines[i].Text.Length = z+1;
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Lines[i].Text[z].S = Left(S, j);
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Lines[i].Text[z].C = C;
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Lines[i].Text[z].TextType = TextType;
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++z;
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}
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else if (j == -1)
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break;
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S = Mid(S, j+2);
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if (Left(S, 4) == "DEF}")
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{
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C.A = 0;
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S = Mid(S, 4);
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TextType = TEXT_FIELD_NONE;
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}
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else if (Left(S, 4) == "HSV}")
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{
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C.A = 0;
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S = Mid(S, 4);
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TextType = TEXT_FIELD_HSV;
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}
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else if (Left(S, 6) == "FLASH}")
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{
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C.A = 0;
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S = Mid(S, 6);
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TextType = TEXT_FIELD_FLASH;
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}
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else if (Left(S, 7) == "CFLASH=")
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{
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C.A = 0;
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S = Mid(S, 7);
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TextType = TEXT_FIELD_FLASH;
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C.R = GrabHexValue(Mid(S, 0,2));
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C.G = GrabHexValue(Mid(S, 2,2));
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C.B = GrabHexValue(Mid(S, 4,2));
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S = Mid(S, 7);
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C.A = 255;
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}
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else
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{
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C.R = GrabHexValue(Mid(S, 0,2));
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C.G = GrabHexValue(Mid(S, 2,2));
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C.B = GrabHexValue(Mid(S, 4,2));
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S = Mid(S, 7);
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C.A = 255;
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TextType = TEXT_FIELD_NONE;
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}
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}
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Lines[i].Text.Length = z+1;
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Lines[i].Text[z].S = S;
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Lines[i].Text[z].C = C;
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Lines[i].Text[z].TextType = TextType;
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}
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OrgLines = Lines; // Create a backup.
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}
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final function byte GrabHexValue(string S)
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{
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local byte n;
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n = (HexToInt(Asc(Left(S, 1))) << 4) | HexToInt(Asc(Right(S, 1)));
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S = Mid(S, 2);
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return n;
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}
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final function byte HexToInt(byte n)
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{
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if (n >= 48 && n <= 57 ) // '0' - '9'
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return n-48;
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if (n >= 65 && n <= 70 ) // 'A' - 'F'
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return n-55; // 'A' - 10
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if (n >= 97 && n <= 102 ) // 'a' - 'f'
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return n-87; // 'a' - 10
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return 0;
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}
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function InitSize()
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{
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local byte i;
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local float XS;
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local int MaxScrollRange;
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if (Canvas == None)
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return;
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OldSize[0] = CompPos[2];
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OldSize[1] = CompPos[3];
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if (!bTextParsed)
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{
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ParseTextLines();
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bTextParsed = true;
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}
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else Lines = OrgLines;
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InitFont = Owner.CurrentStyle.PickFont(InitFontScale);
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InitFontScale *= FontScale;
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// Compute Y-offsets of each line.
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Canvas.Font = InitFont;
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Canvas.TextSize("ABC", XS, TextHeight, InitFontScale, InitFontScale);
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ParseLines(CompPos[2] / InitFontScale);
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MaxHeight = (Lines.Length * TextHeight);
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bShowScrollbar = (MaxHeight >= CompPos[3]);
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bClickable = bShowScrollbar;
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bCanFocus = bShowScrollbar;
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if (bShowScrollbar)
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{
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if (ScrollBar == None)
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{
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ScrollBar = new(Self) class'KFGUI_ScrollBarV';
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ScrollBar.SetPosition(0.9, 0.0, 0.1, 1.0);
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ScrollBar.Owner = Owner;
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ScrollBar.ParentComponent = Self;
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ScrollBar.InitMenu();
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ScrollBar.SetVisibility(bVisible);
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}
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// Compute scrollbar size and X-position.
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for (i=0; i < 4; ++i)
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ScrollBar.InputPos[i] = CompPos[i];
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ScrollWidth = ScrollBar.GetWidth();
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ScrollBar.XPosition = 1.f - ScrollWidth;
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ScrollWidth *= CompPos[2];
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ScrollBar.ComputeCoords();
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// Recompute line sizes because we now have a scrollbar.
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Lines = OrgLines;
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ParseLines((CompPos[2]-ScrollWidth) / InitFontScale);
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if (Components.Find(ScrollBar) == -1)
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Components.AddItem(ScrollBar);
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MaxHeight = (Lines.Length * TextHeight);
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MaxScrollRange = Max(((MaxHeight-CompPos[3])/TextHeight), 1);
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ScrollBar.UpdateScrollSize(bNoReset ? MaxScrollRange : 0, MaxScrollRange, 1,1);
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}
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else if (ScrollBar != None)
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Components.RemoveItem(ScrollBar);
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}
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// Parse textlines to see if they're too long.
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final function ParseLines(float ClipX)
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{
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local float X, XS, YS;
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local int i, j,z, n;
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for (i=0; i < Lines.Length; ++i)
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{
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Lines[i].Y = i*TextHeight;
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X = 0.f;
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for (j=0; j < Lines[i].Text.Length; ++j)
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{
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Lines[i].Text[j].X = (X*InitFontScale);
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Canvas.TextSize(Lines[i].Text[j].S, XS, YS);
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if ((X+XS) > ClipX)
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{
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z = FindSplitPoint(Lines[i].Text[j].S, X,ClipX);
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// Add new line.
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Lines.Insert(i+1, 1);
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// Append the remaining lines there.
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for (n=j; n < Lines[i].Text.Length; ++n)
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Lines[i+1].Text.AddItem(Lines[i].Text[n]);
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// Split the string at wrapping point.
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Lines[i+1].Text[0].S = Mid(Lines[i].Text[j].S, z);
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// Remove whitespaces in front of the string.
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Lines[i+1].Text[0].S = StripWhiteSpaces(Lines[i+1].Text[0].S);
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// If empty, clean it up.
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if (Lines[i+1].Text[0].S == "")
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Lines[i+1].Text.Remove(0, 1);
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// End the current line at wrapping point.
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Lines[i].Text[j].S = Left(Lines[i].Text[j].S, z);
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Lines[i].Text.Length = j+1;
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break;
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}
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X+=XS;
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}
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}
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}
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// Slow, find wrapped splitting point in text.
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final function int FindSplitPoint(string S, float X, float ClipX)
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{
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local int i, l,PrevWord;
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local float XL, YL;
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local bool bWasWhite, bStartedZero;
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bStartedZero = (X == 0.f);
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Canvas.TextSize(Mid(S, 0,1), XL, YL);
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X += XL;
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i = 1;
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l = Len(S);
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PrevWord = 0;
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bWasWhite = true;
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while (i < l)
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{
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if (Mid(S, i,1) == " ")
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{
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if (!bWasWhite)
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{
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PrevWord = i;
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bWasWhite = true;
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}
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}
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else
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{
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bWasWhite = false;
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}
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Canvas.TextSize(Mid(S, i,1), XL, YL);
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X+=XL;
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if (X > ClipX ) // Split here if possible.
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{
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if (PrevWord == 0)
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return (bStartedZero ? i : 0); // No wrap.
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return PrevWord;
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}
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++i;
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}
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return l;
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}
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final function string StripWhiteSpaces(string S)
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{
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if (Left(S, 1) == " ")
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S = Mid(S, 1);
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return S;
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}
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function byte GetCursorStyle()
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{
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return `PEN_WHITE;
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}
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function DrawMenu()
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{
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local int i, j,Index;
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local float Y;
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if (Text == "" || !bVisible)
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return;
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// Need to figure out best fitting font.
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if (OldSize[0] != CompPos[2] || OldSize[1] != CompPos[3])
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InitSize();
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if (MaxHistory != 0)
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{
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if (Lines.Length >= MaxHistory)
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{
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Index = InStr(Text, LineSplitter);
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if (Index == INDEX_NONE)
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Lines.Remove(0, 1);
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else SetText(Mid(Text, Index+Len(LineSplitter)));
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}
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}
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Canvas.Font = InitFont;
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if (bShowScrollbar)
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{
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Canvas.SetClip(CompPos[0]+(CompPos[2]-ScrollWidth), CompPos[1]+CompPos[3]);
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i = ScrollBar.GetValue();
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}
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else i = 0;
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if (i < Lines.Length)
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{
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Y = Lines[i].Y;
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for (i=i; i < Lines.Length; ++i)
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{
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if (Lines[i].Text.Length != 0)
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{
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if ((Lines[i].Y-Y+TextHeight) >= CompPos[3])
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break;
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for (j=0; j < Lines[i].Text.Length; ++j)
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{
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DrawTextField(Lines[i].Text[j].S, i, Lines[i].Text[j].X, Lines[i].Y-Y, Lines[i].Text[j].C, Lines[i].Text[j].TextType);
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}
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}
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}
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}
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}
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function DrawTextField(string S, int Index, float X, float Y, optional Color C, optional ETextFieldStyles TextStyle)
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{
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local float TempSize;
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local int FadeAlpha;
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local Color MainColor;
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MainColor = C;
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if (MainColor.A == 0)
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MainColor = TextColor;
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Canvas.DrawColor = GetColorFromStyle(MainColor, TextStyle);
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if (bFadeInOut)
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{
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TempSize = `TimeSinceEx(GetPlayer(), FadeStartTime);
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if (TempSize > MessageDisplayTime)
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{
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return;
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}
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if (TempSize < MessageFadeInTime)
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{
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FadeAlpha = int((TempSize / MessageFadeInTime) * 255.0);
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}
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else if (TempSize > MessageDisplayTime - MessageFadeOutTime)
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{
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FadeAlpha = int((1.0 - ((TempSize - (MessageDisplayTime - MessageFadeOutTime)) / MessageFadeOutTime)) * 255.0);
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}
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else
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{
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FadeAlpha = 255;
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}
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Canvas.DrawColor.A = FadeAlpha;
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}
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if (bUseOutlineText)
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{
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Owner.CurrentStyle.DrawTextShadow(S, X,Y, OutlineSize, InitFontScale);
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}
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else
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{
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Canvas.SetPos(X, Y);
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Canvas.DrawText(S, ,InitFontScale, InitFontScale, TextFontInfo);
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}
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}
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function Color GetColorFromStyle(Color MainColor, ETextFieldStyles TextStyle)
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{
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local float ColorHUE, Value;
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local HSVColour HSV;
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if (TextStyle == TEXT_FIELD_HSV)
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{
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ColorHUE = Abs(Sin(GetPlayer().WorldInfo.TimeSeconds * 0.9) * 335);
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HSV.H = ColorHUE;
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HSV.S = 1.f;
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HSV.V = 1.f;
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HSV.A = MainColor.A / 255;
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return class'KFColorHelper'.static.LinearColorToColor(class'KFColorHelper'.static.HSVToRGB(HSV));
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}
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else if (TextStyle == TEXT_FIELD_FLASH)
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{
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Value = Abs(Sin(GetPlayer().WorldInfo.TimeSeconds * 0.9) * 1);
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HSV = class'KFColorHelper'.static.RGBToHSV(ColorToLinearColor(MainColor));
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HSV.V = Value;
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return class'KFColorHelper'.static.LinearColorToColor(class'KFColorHelper'.static.HSVToRGB(HSV));
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}
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return MainColor;
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}
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function bool CaptureMouse()
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{
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return (bShowScrollbar ? Super.CaptureMouse() : false); // Nope.
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}
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function ScrollMouseWheel(bool bUp)
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{
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if (bShowScrollbar)
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ScrollBar.ScrollMouseWheel(bUp);
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}
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function SetVisibility(bool Visible)
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{
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Super.SetVisibility(Visible);
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if (ScrollBar != None)
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{
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ScrollBar.SetVisibility(Visible);
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}
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}
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defaultproperties
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{
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bNoReset=false
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LineSplitter="|"
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FontScale=1
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MaxHistory=0
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OutlineSize=1
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Text="TextField"
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TextColor=(R=255, G=255, B=255, A=255)
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TextFontInfo=(bClipText=true, bEnableShadow=true)
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bCanFocus=false
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bClickable=false
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bUseOutlineText=false
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} |