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Diffstat (limited to 'vendor/maunium.net/go/tview/semigraphics.go')
| -rw-r--r-- | vendor/maunium.net/go/tview/semigraphics.go | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/vendor/maunium.net/go/tview/semigraphics.go b/vendor/maunium.net/go/tview/semigraphics.go new file mode 100644 index 0000000..2455c87 --- /dev/null +++ b/vendor/maunium.net/go/tview/semigraphics.go @@ -0,0 +1,296 @@ +package tview + +import "maunium.net/go/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) +} |