package tview import "github.com/gdamore/tcell" // Semigraphics provides an easy way to access unicode characters for drawing. // // Named like the unicode characters, 'Semigraphics'-prefix used if unicode block // isn't prefixed itself. const ( // Block: General Punctation U+2000-U+206F (http://unicode.org/charts/PDF/U2000.pdf) SemigraphicsHorizontalEllipsis rune = '\u2026' // … // Block: Box Drawing U+2500-U+257F (http://unicode.org/charts/PDF/U2500.pdf) BoxDrawingsLightHorizontal rune = '\u2500' // ─ BoxDrawingsHeavyHorizontal rune = '\u2501' // ━ BoxDrawingsLightVertical rune = '\u2502' // │ BoxDrawingsHeavyVertical rune = '\u2503' // ┃ BoxDrawingsLightTripleDashHorizontal rune = '\u2504' // ┄ BoxDrawingsHeavyTripleDashHorizontal rune = '\u2505' // ┅ BoxDrawingsLightTripleDashVertical rune = '\u2506' // ┆ BoxDrawingsHeavyTripleDashVertical rune = '\u2507' // ┇ BoxDrawingsLightQuadrupleDashHorizontal rune = '\u2508' // ┈ BoxDrawingsHeavyQuadrupleDashHorizontal rune = '\u2509' // ┉ BoxDrawingsLightQuadrupleDashVertical rune = '\u250a' // ┊ BoxDrawingsHeavyQuadrupleDashVertical rune = '\u250b' // ┋ BoxDrawingsLightDownAndRight rune = '\u250c' // ┌ BoxDrawingsDownLighAndRightHeavy rune = '\u250d' // ┍ BoxDrawingsDownHeavyAndRightLight rune = '\u250e' // ┎ BoxDrawingsHeavyDownAndRight rune = '\u250f' // ┏ BoxDrawingsLightDownAndLeft rune = '\u2510' // ┐ BoxDrawingsDownLighAndLeftHeavy rune = '\u2511' // ┑ BoxDrawingsDownHeavyAndLeftLight rune = '\u2512' // ┒ BoxDrawingsHeavyDownAndLeft rune = '\u2513' // ┓ BoxDrawingsLightUpAndRight rune = '\u2514' // └ BoxDrawingsUpLightAndRightHeavy rune = '\u2515' // ┕ BoxDrawingsUpHeavyAndRightLight rune = '\u2516' // ┖ BoxDrawingsHeavyUpAndRight rune = '\u2517' // ┗ BoxDrawingsLightUpAndLeft rune = '\u2518' // ┘ BoxDrawingsUpLightAndLeftHeavy rune = '\u2519' // ┙ BoxDrawingsUpHeavyAndLeftLight rune = '\u251a' // ┚ BoxDrawingsHeavyUpAndLeft rune = '\u251b' // ┛ BoxDrawingsLightVerticalAndRight rune = '\u251c' // ├ BoxDrawingsVerticalLightAndRightHeavy rune = '\u251d' // ┝ BoxDrawingsUpHeavyAndRightDownLight rune = '\u251e' // ┞ BoxDrawingsDownHeacyAndRightUpLight rune = '\u251f' // ┟ BoxDrawingsVerticalHeavyAndRightLight rune = '\u2520' // ┠ BoxDrawingsDownLightAnbdRightUpHeavy rune = '\u2521' // ┡ BoxDrawingsUpLightAndRightDownHeavy rune = '\u2522' // ┢ BoxDrawingsHeavyVerticalAndRight rune = '\u2523' // ┣ BoxDrawingsLightVerticalAndLeft rune = '\u2524' // ┤ BoxDrawingsVerticalLightAndLeftHeavy rune = '\u2525' // ┥ BoxDrawingsUpHeavyAndLeftDownLight rune = '\u2526' // ┦ BoxDrawingsDownHeavyAndLeftUpLight rune = '\u2527' // ┧ BoxDrawingsVerticalheavyAndLeftLight rune = '\u2528' // ┨ BoxDrawingsDownLightAndLeftUpHeavy rune = '\u2529' // ┨ BoxDrawingsUpLightAndLeftDownHeavy rune = '\u252a' // ┪ BoxDrawingsHeavyVerticalAndLeft rune = '\u252b' // ┫ BoxDrawingsLightDownAndHorizontal rune = '\u252c' // ┬ BoxDrawingsLeftHeavyAndRightDownLight rune = '\u252d' // ┭ BoxDrawingsRightHeavyAndLeftDownLight rune = '\u252e' // ┮ BoxDrawingsDownLightAndHorizontalHeavy rune = '\u252f' // ┯ BoxDrawingsDownHeavyAndHorizontalLight rune = '\u2530' // ┰ BoxDrawingsRightLightAndLeftDownHeavy rune = '\u2531' // ┱ BoxDrawingsLeftLightAndRightDownHeavy rune = '\u2532' // ┲ BoxDrawingsHeavyDownAndHorizontal rune = '\u2533' // ┳ BoxDrawingsLightUpAndHorizontal rune = '\u2534' // ┴ BoxDrawingsLeftHeavyAndRightUpLight rune = '\u2535' // ┵ BoxDrawingsRightHeavyAndLeftUpLight rune = '\u2536' // ┶ BoxDrawingsUpLightAndHorizontalHeavy rune = '\u2537' // ┷ BoxDrawingsUpHeavyAndHorizontalLight rune = '\u2538' // ┸ BoxDrawingsRightLightAndLeftUpHeavy rune = '\u2539' // ┹ BoxDrawingsLeftLightAndRightUpHeavy rune = '\u253a' // ┺ BoxDrawingsHeavyUpAndHorizontal rune = '\u253b' // ┻ BoxDrawingsLightVerticalAndHorizontal rune = '\u253c' // ┼ BoxDrawingsLeftHeavyAndRightVerticalLight rune = '\u253d' // ┽ BoxDrawingsRightHeavyAndLeftVerticalLight rune = '\u253e' // ┾ BoxDrawingsVerticalLightAndHorizontalHeavy rune = '\u253f' // ┿ BoxDrawingsUpHeavyAndDownHorizontalLight rune = '\u2540' // ╀ BoxDrawingsDownHeavyAndUpHorizontalLight rune = '\u2541' // ╁ BoxDrawingsVerticalHeavyAndHorizontalLight rune = '\u2542' // ╂ BoxDrawingsLeftUpHeavyAndRightDownLight rune = '\u2543' // ╃ BoxDrawingsRightUpHeavyAndLeftDownLight rune = '\u2544' // ╄ BoxDrawingsLeftDownHeavyAndRightUpLight rune = '\u2545' // ╅ BoxDrawingsRightDownHeavyAndLeftUpLight rune = '\u2546' // ╆ BoxDrawingsDownLightAndUpHorizontalHeavy rune = '\u2547' // ╇ BoxDrawingsUpLightAndDownHorizontalHeavy rune = '\u2548' // ╈ BoxDrawingsRightLightAndLeftVerticalHeavy rune = '\u2549' // ╉ BoxDrawingsLeftLightAndRightVerticalHeavy rune = '\u254a' // ╊ BoxDrawingsHeavyVerticalAndHorizontal rune = '\u254b' // ╋ BoxDrawingsLightDoubleDashHorizontal rune = '\u254c' // ╌ BoxDrawingsHeavyDoubleDashHorizontal rune = '\u254d' // ╍ BoxDrawingsLightDoubleDashVertical rune = '\u254e' // ╎ BoxDrawingsHeavyDoubleDashVertical rune = '\u254f' // ╏ BoxDrawingsDoubleHorizontal rune = '\u2550' // ═ BoxDrawingsDoubleVertical rune = '\u2551' // ║ BoxDrawingsDownSingleAndRightDouble rune = '\u2552' // ╒ BoxDrawingsDownDoubleAndRightSingle rune = '\u2553' // ╓ BoxDrawingsDoubleDownAndRight rune = '\u2554' // ╔ BoxDrawingsDownSingleAndLeftDouble rune = '\u2555' // ╕ BoxDrawingsDownDoubleAndLeftSingle rune = '\u2556' // ╖ BoxDrawingsDoubleDownAndLeft rune = '\u2557' // ╗ BoxDrawingsUpSingleAndRightDouble rune = '\u2558' // ╘ BoxDrawingsUpDoubleAndRightSingle rune = '\u2559' // ╙ BoxDrawingsDoubleUpAndRight rune = '\u255a' // ╚ BoxDrawingsUpSingleAndLeftDouble rune = '\u255b' // ╛ BoxDrawingsUpDobuleAndLeftSingle rune = '\u255c' // ╜ BoxDrawingsDoubleUpAndLeft rune = '\u255d' // ╝ BoxDrawingsVerticalSingleAndRightDouble rune = '\u255e' // ╞ BoxDrawingsVerticalDoubleAndRightSingle rune = '\u255f' // ╟ BoxDrawingsDoubleVerticalAndRight rune = '\u2560' // ╠ BoxDrawingsVerticalSingleAndLeftDouble rune = '\u2561' // ╡ BoxDrawingsVerticalDoubleAndLeftSingle rune = '\u2562' // ╢ BoxDrawingsDoubleVerticalAndLeft rune = '\u2563' // ╣ BoxDrawingsDownSingleAndHorizontalDouble rune = '\u2564' // ╤ BoxDrawingsDownDoubleAndHorizontalSingle rune = '\u2565' // ╥ BoxDrawingsDoubleDownAndHorizontal rune = '\u2566' // ╦ BoxDrawingsUpSingleAndHorizontalDouble rune = '\u2567' // ╧ BoxDrawingsUpDoubleAndHorizontalSingle rune = '\u2568' // ╨ BoxDrawingsDoubleUpAndHorizontal rune = '\u2569' // ╩ BoxDrawingsVerticalSingleAndHorizontalDouble rune = '\u256a' // ╪ BoxDrawingsVerticalDoubleAndHorizontalSingle rune = '\u256b' // ╫ BoxDrawingsDoubleVerticalAndHorizontal rune = '\u256c' // ╬ BoxDrawingsLightArcDownAndRight rune = '\u256d' // ╭ BoxDrawingsLightArcDownAndLeft rune = '\u256e' // ╮ BoxDrawingsLightArcUpAndLeft rune = '\u256f' // ╯ BoxDrawingsLightArcUpAndRight rune = '\u2570' // ╰ BoxDrawingsLightDiagonalUpperRightToLowerLeft rune = '\u2571' // ╱ BoxDrawingsLightDiagonalUpperLeftToLowerRight rune = '\u2572' // ╲ BoxDrawingsLightDiagonalCross rune = '\u2573' // ╳ BoxDrawingsLightLeft rune = '\u2574' // ╴ BoxDrawingsLightUp rune = '\u2575' // ╵ BoxDrawingsLightRight rune = '\u2576' // ╶ BoxDrawingsLightDown rune = '\u2577' // ╷ BoxDrawingsHeavyLeft rune = '\u2578' // ╸ BoxDrawingsHeavyUp rune = '\u2579' // ╹ BoxDrawingsHeavyRight rune = '\u257a' // ╺ BoxDrawingsHeavyDown rune = '\u257b' // ╻ BoxDrawingsLightLeftAndHeavyRight rune = '\u257c' // ╼ BoxDrawingsLightUpAndHeavyDown rune = '\u257d' // ╽ BoxDrawingsHeavyLeftAndLightRight rune = '\u257e' // ╾ BoxDrawingsHeavyUpAndLightDown rune = '\u257f' // ╿ ) // SemigraphicJoints is a map for joining semigraphic (or otherwise) runes. // So far only light lines are supported but if you want to change the border // styling you need to provide the joints, too. // The matching will be sorted ascending by rune value, so you don't need to // provide all rune combinations, // e.g. (─) + (│) = (┼) will also match (│) + (─) = (┼) var SemigraphicJoints = map[string]rune{ // (─) + (│) = (┼) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVertical}): BoxDrawingsLightVerticalAndHorizontal, // (─) + (┌) = (┬) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightDownAndRight}): BoxDrawingsLightDownAndHorizontal, // (─) + (┐) = (┬) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightDownAndLeft}): BoxDrawingsLightDownAndHorizontal, // (─) + (└) = (┴) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightUpAndRight}): BoxDrawingsLightUpAndHorizontal, // (─) + (┘) = (┴) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightUpAndHorizontal, // (─) + (├) = (┼) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndHorizontal, // (─) + (┤) = (┼) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal, // (─) + (┬) = (┬) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightDownAndHorizontal, // (─) + (┴) = (┴) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightUpAndHorizontal, // (─) + (┼) = (┼) string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (│) + (┌) = (├) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightDownAndRight}): BoxDrawingsLightVerticalAndRight, // (│) + (┐) = (┤) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightDownAndLeft}): BoxDrawingsLightVerticalAndLeft, // (│) + (└) = (├) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightUpAndRight}): BoxDrawingsLightVerticalAndRight, // (│) + (┘) = (┤) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightVerticalAndLeft, // (│) + (├) = (├) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndRight, // (│) + (┤) = (┤) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndLeft, // (│) + (┬) = (┼) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (│) + (┴) = (┼) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (│) + (┼) = (┼) string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┌) + (┐) = (┬) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightDownAndLeft}): BoxDrawingsLightDownAndHorizontal, // (┌) + (└) = (├) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightUpAndRight}): BoxDrawingsLightVerticalAndRight, // (┌) + (┘) = (┼) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightVerticalAndHorizontal, // (┌) + (├) = (├) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndRight, // (┌) + (┤) = (┼) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal, // (┌) + (┬) = (┬) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightDownAndHorizontal, // (┌) + (┴) = (┼) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┌) + (┴) = (┼) string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┐) + (└) = (┼) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightUpAndRight}): BoxDrawingsLightVerticalAndHorizontal, // (┐) + (┘) = (┤) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightVerticalAndLeft, // (┐) + (├) = (┼) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndHorizontal, // (┐) + (┤) = (┤) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndLeft, // (┐) + (┬) = (┬) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightDownAndHorizontal, // (┐) + (┴) = (┼) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┐) + (┼) = (┼) string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (└) + (┘) = (┴) string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightUpAndHorizontal, // (└) + (├) = (├) string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndRight, // (└) + (┤) = (┼) string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal, // (└) + (┬) = (┼) string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (└) + (┴) = (┴) string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightUpAndHorizontal, // (└) + (┼) = (┼) string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┘) + (├) = (┼) string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndHorizontal, // (┘) + (┤) = (┤) string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndLeft, // (┘) + (┬) = (┼) string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┘) + (┴) = (┴) string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightUpAndHorizontal, // (┘) + (┼) = (┼) string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (├) + (┤) = (┼) string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal, // (├) + (┬) = (┼) string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (├) + (┴) = (┼) string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (├) + (┼) = (┼) string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┤) + (┬) = (┼) string([]rune{BoxDrawingsLightVerticalAndLeft, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┤) + (┴) = (┼) string([]rune{BoxDrawingsLightVerticalAndLeft, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┤) + (┼) = (┼) string([]rune{BoxDrawingsLightVerticalAndLeft, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┬) + (┴) = (┼) string([]rune{BoxDrawingsLightDownAndHorizontal, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┬) + (┼) = (┼) string([]rune{BoxDrawingsLightDownAndHorizontal, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, // (┴) + (┼) = (┼) string([]rune{BoxDrawingsLightUpAndHorizontal, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal, } // PrintJoinedSemigraphics prints a semigraphics rune into the screen at the given // position with the given color, joining it with any existing semigraphics // rune. Background colors are preserved. At this point, only regular single // line borders are supported. func PrintJoinedSemigraphics(screen tcell.Screen, x, y int, ch rune, color tcell.Color) { previous, _, style, _ := screen.GetContent(x, y) style = style.Foreground(color) // What's the resulting rune? var result rune if ch == previous { result = ch } else { if ch < previous { previous, ch = ch, previous } result = SemigraphicJoints[string([]rune{previous, ch})] } if result == 0 { result = ch } // We only print something if we have something. screen.SetContent(x, y, result, nil, style) }