mirror of https://github.com/liamg/aminal.git
lots of unicode work
This commit is contained in:
Liam Galvin
parent
b0c60e7336
commit
1a20091388
45
README.md
45
README.md
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@ -1,6 +1,8 @@
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Raft is a terminal emulator utilising OpenGL.
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Raft is a terminal emulator utilising OpenGL v4.1.
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This project is purely a learning exercise right now.
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The project is purely a learning exercise right now.
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Ensure you have your latest graphics card drivers installed before use.
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## Build Dependencies
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@ -9,11 +11,40 @@ This project is purely a learning exercise right now.
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- On Ubuntu/Debian-like Linux distributions, you need `libgl1-mesa-dev xorg-dev`.
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- On CentOS/Fedora-like Linux distributions, you need `libX11-devel libXcursor-devel libXrandr-devel libXinerama-devel mesa-libGL-devel libXi-devel`.
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## Planned Features
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| Feature | Done | Notes |
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|-------------------|------|-------|
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| Pty allocation | ✔ | Linux only so far
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| OpenGL rendering | ✔ |
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| Resizing/content reordering | ✔ |
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| ANSI escape codes | 50% |
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| UTF-8 input | 90% | No copy + paste as yet
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| UTF-8 output | ✘ |
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| Copy/paste | ✘ |
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| Customisable colour schemes | ✔ | Complete, but the config file has no entry for this yet
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| Config file | 5% |
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| Scrolling | 50% | Infinite buffer implemented, need GUI scrollbar & render updates
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| Sweet render effects | ✘ |
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## Platform Support
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| Platform| Supported
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|---------|------------
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| Linux | Yes
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| MacOSX | Not yet...
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| Windows | Not yet...
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| Platform | Supported
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|----------|------------
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| Linux | ✔
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| MacOSX | ✘ (nearly)
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| Windows | ✘
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## Configuration
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Raft looks for a config file in the following places: `~/.raft.yml`, `~/.raft/config.yml`, `~/.config/raft/config.yml` (earlier in the list prioritised).
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Example config:
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```
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debug: False
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```
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The following options are available:
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| Name | Type | Description
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| debug | bool | Enables debug logging
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@ -1,5 +1,22 @@
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package config
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import (
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"gitlab.com/liamg/raft/terminal"
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yaml "gopkg.in/yaml.v2"
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)
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type Config struct {
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DebugMode bool
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DebugMode bool `yaml:"debug"`
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ColourScheme terminal.ColourScheme
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}
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var DefaultConfig = Config{
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DebugMode: false,
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ColourScheme: terminal.DefaultColourScheme,
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}
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func Parse(data []byte) (*Config, error) {
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c := DefaultConfig
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err := yaml.Unmarshal(data, &c)
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return &c, err
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}
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26
gui/cell.go
26
gui/cell.go
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@ -14,14 +14,16 @@ type Cell struct {
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colourAttr uint32
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points []float32
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colour [3]float32
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hidden bool
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}
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func (gui *GUI) NewCell(font *v41.Font, x float32, y float32, w float32, h float32, colourAttr uint32) Cell {
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func (gui *GUI) NewCell(font *v41.Font, x float32, y float32, w float32, h float32, colourAttr uint32, bgColour [3]float32) Cell {
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cell := Cell{
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text: v41.NewText(font, 1.0, 1.1),
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colourAttr: colourAttr,
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}
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cell.colour = bgColour
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cell.text.SetPosition(mgl32.Vec2{x, y})
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x = (x - (w / 2)) / (float32(gui.width) / 2)
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@ -97,12 +99,17 @@ func (cell *Cell) makeVao() {
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}
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func (cell *Cell) DrawBg() {
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if cell.hidden {
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return
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}
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gl.BindVertexArray(cell.vao)
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gl.DrawArrays(gl.TRIANGLES, 0, 6)
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}
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func (cell *Cell) DrawText() {
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if cell.hidden {
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return
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}
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if cell.text != nil {
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cell.text.Draw()
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}
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@ -110,20 +117,21 @@ func (cell *Cell) DrawText() {
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}
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func (cell *Cell) Show() {
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if cell.text != nil {
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cell.text.Show()
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}
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cell.hidden = false
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}
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func (cell *Cell) Hide() {
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if cell.text != nil {
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cell.text.Hide()
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}
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cell.hidden = true
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}
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func (cell *Cell) SetRune(r rune) {
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if cell.text != nil {
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cell.text.SetString(string(r))
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if r == '%' {
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cell.text.SetString("%%")
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} else {
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cell.text.SetString(string(r))
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}
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}
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}
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86
gui/gui.go
86
gui/gui.go
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@ -64,6 +64,8 @@ func (gui *GUI) resize(w *glfw.Window, width int, height int) {
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gui.font.ResizeWindow(float32(width), float32(height))
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}
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gl.Viewport(0, 0, int32(gui.width), int32(gui.height))
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scaleMin, scaleMax := float32(1.0), float32(1.1)
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text := v41.NewText(gui.font, scaleMin, scaleMax)
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text.SetString("A")
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@ -98,12 +100,7 @@ func (gui *GUI) updateTexts() {
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c, err := gui.terminal.GetCellAtPos(terminal.Position{Line: row, Col: col})
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if err != nil || c == nil {
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gui.cells[row][col].Hide()
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continue
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}
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if c.IsHidden() {
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if err != nil || c == nil || c.IsHidden() {
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gui.cells[row][col].Hide()
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continue
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}
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@ -113,6 +110,13 @@ func (gui *GUI) updateTexts() {
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gui.cells[row][col].SetRune(c.GetRune())
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gui.cells[row][col].Show()
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if gui.terminal.GetPosition().Col == col && gui.terminal.GetPosition().Line == row {
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gui.cells[row][col].SetBgColour(
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gui.config.ColourScheme.Cursor[0],
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gui.config.ColourScheme.Cursor[1],
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gui.config.ColourScheme.Cursor[2],
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)
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}
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}
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}
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}
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@ -134,7 +138,7 @@ func (gui *GUI) createTexts() {
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x := ((float32(col) * gui.charWidth) - (float32(gui.width) / 2)) + (gui.charWidth / 2)
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y := -(((float32(row) * gui.charHeight) - (float32(gui.height) / 2)) + (gui.charHeight / 2))
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cells[row] = append(cells[row], gui.NewCell(gui.font, x, y, gui.charWidth, gui.charHeight, gui.colourAttr))
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cells[row] = append(cells[row], gui.NewCell(gui.font, x, y, gui.charWidth, gui.charHeight, gui.colourAttr, gui.config.ColourScheme.DefaultBg))
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}
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}
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}
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@ -171,8 +175,8 @@ func (gui *GUI) Render() error {
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gl.BindFragDataLocation(program, 0, gl.Str("outColour\x00"))
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gui.logger.Debugf("Loading font...")
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//gui.font, err = gui.loadFont("/usr/share/fonts/nerd-fonts-complete/ttf/Roboto Mono Nerd Font Complete.ttf", 12)
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if err := gui.loadFont("./fonts/CamingoCode-Regular.ttf", 12); err != nil {
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if err := gui.loadFont("/usr/share/fonts/nerd-fonts-complete/ttf/Roboto Mono Nerd Font Complete.ttf", 12); err != nil {
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//if err := gui.loadFont("./fonts/CamingoCode-Regular.ttf", 12); err != nil {
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return fmt.Errorf("Failed to load font: %s", err)
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}
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@ -202,51 +206,60 @@ func (gui *GUI) Render() error {
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text.SetColor(mgl32.Vec3{1, 0, 0})
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text.SetPosition(mgl32.Vec2{0, 0})
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ticker := time.NewTicker(time.Second)
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ticker := time.NewTicker(time.Millisecond * 100)
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defer ticker.Stop()
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//gl.Disable(gl.MULTISAMPLE)
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// stop smoothing fonts
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gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
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updateRequired := false
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updateRequired := 0
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gui.logger.Debugf("Starting render...")
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gl.UseProgram(program)
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// todo set bg colour
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//bgColour := gui.terminal.colourScheme.DefaultBgColor
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gl.ClearColor(0.1, 0.1, 0.1, 1.0)
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//bgColour :=
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gl.ClearColor(
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gui.config.ColourScheme.DefaultBg[0],
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gui.config.ColourScheme.DefaultBg[1],
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gui.config.ColourScheme.DefaultBg[2],
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1.0,
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)
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for !gui.window.ShouldClose() {
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updateRequired = false
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if updateRequired > 0 {
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CheckUpdate:
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for {
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select {
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case <-updateChan:
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updateRequired = true
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case <-ticker.C:
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text.SetString(fmt.Sprintf("%dx%d", gui.cols, gui.rows))
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updateRequired = true
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default:
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break CheckUpdate
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updateRequired--
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} else {
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CheckUpdate:
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for {
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select {
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case <-updateChan:
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updateRequired = 2
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case <-ticker.C:
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text.SetString(fmt.Sprintf("%dx%d@%d,%d", gui.cols, gui.rows, gui.terminal.GetPosition().Col, gui.terminal.GetPosition().Line))
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updateRequired = 2
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default:
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break CheckUpdate
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}
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}
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}
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gl.UseProgram(program)
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if updateRequired {
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gl.Viewport(0, 0, int32(gui.width), int32(gui.height))
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if updateRequired > 0 {
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gui.updateTexts()
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// Render the string.
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gui.window.SetTitle(gui.terminal.GetTitle())
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//gl.ClearColor(0.5, 0.5, 0.5, 1.0)
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gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
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cols, rows := gui.getTermSize()
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for row := 0; row < rows; row++ {
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@ -257,16 +270,16 @@ func (gui *GUI) Render() error {
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for row := 0; row < rows; row++ {
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for col := 0; col < cols; col++ {
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gui.cells[row][col].DrawText()
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}
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}
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text.Draw()
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// debug to show co-ords
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//text.Draw()
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}
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glfw.PollEvents()
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if updateRequired {
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if updateRequired > 0 {
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gui.window.SwapBuffers()
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}
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}
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@ -286,11 +299,12 @@ func (gui *GUI) loadFont(path string, scale int32) error {
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runeRanges := make(gltext.RuneRanges, 0)
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 32, High: 127})
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/*runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x3000, High: 0x3030})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x3040, High: 0x309f})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x30a0, High: 0x30ff})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x4e00, High: 0x9faf})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0xff00, High: 0xffef})
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/*
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x0, High: 0x3030})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x3040, High: 0x309f})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x30a0, High: 0x30ff})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0x4e00, High: 0x9faf})
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runeRanges = append(runeRanges, gltext.RuneRange{Low: 0xff00, High: 0xffef})
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*/
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runesPerRow := fixed.Int26_6(128)
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21
gui/input.go
21
gui/input.go
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@ -14,10 +14,23 @@ func (gui *GUI) key(w *glfw.Window, key glfw.Key, scancode int, action glfw.Acti
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switch true {
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case mods&glfw.ModControl > 0:
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switch key {
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case glfw.KeyC: // ctrl^c
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gui.logger.Debugf("Sending CTRL^C")
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gui.terminal.Write([]byte{0x3}) // send EOT
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if mods&glfw.ModAlt > 0 {
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// ctrl + alt +
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switch key {
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case glfw.KeyV:
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// todo handle both these errors
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if buf, err := gui.window.GetClipboardString(); err == nil {
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_ = gui.terminal.Write([]byte(buf))
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}
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}
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} else {
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// ctrl +
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switch key {
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case glfw.KeyC: // ctrl^c
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gui.logger.Debugf("Sending CTRL^C")
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gui.terminal.Write([]byte{0x3}) // send EOT
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}
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}
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}
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67
main.go
67
main.go
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@ -2,6 +2,7 @@ package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"gitlab.com/liamg/raft/config"
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@ -11,10 +12,33 @@ import (
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"go.uber.org/zap"
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)
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func main() {
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func loadConfig() config.Config {
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// parse this
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conf := config.Config{DebugMode: true}
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home := os.Getenv("HOME")
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if home == "" {
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return config.DefaultConfig
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}
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places := []string{
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fmt.Sprintf("%s/.raft.yml", home),
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fmt.Sprintf("%s/.raft/config.yml", home),
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fmt.Sprintf("%s/.config/raft/config.yml", home),
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}
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for _, place := range places {
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if b, err := ioutil.ReadFile(place); err == nil {
|
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if c, err := config.Parse(b); err == nil {
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return *c
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} else {
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fmt.Printf("Invalid config at %s: %s\n", place, err)
|
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}
|
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}
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}
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|
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return config.DefaultConfig
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}
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func getLogger(conf config.Config) (*zap.SugaredLogger, error) {
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var logger *zap.Logger
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var err error
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@ -24,30 +48,35 @@ func main() {
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logger, err = zap.NewProduction()
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}
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if err != nil {
|
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fmt.Printf("Failed to create logger: %s", err)
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return nil, fmt.Errorf("Failed to create logger: %s", err)
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}
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return logger.Sugar(), nil
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}
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func main() {
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// parse this
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conf := loadConfig()
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|
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logger, err := getLogger(conf)
|
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if err != nil {
|
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fmt.Printf("Failed to create logger: %s\n", err)
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os.Exit(1)
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}
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sugaredLogger := logger.Sugar()
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defer sugaredLogger.Sync()
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defer logger.Sync()
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|
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sugaredLogger.Infof("Allocationg pty...")
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logger.Infof("Allocating pty...")
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pty, err := pty.NewPtyWithShell()
|
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if err != nil {
|
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sugaredLogger.Fatalf("Failed to allocate pty: %s", err)
|
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logger.Fatalf("Failed to allocate pty: %s", err)
|
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}
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|
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sugaredLogger.Infof("Creating terminal...")
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terminal := terminal.New(pty, sugaredLogger, terminal.DefaultColourScheme)
|
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/*
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go func() {
|
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time.Sleep(time.Second * 1)
|
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terminal.Write([]byte("tput cols && tput lines\n"))
|
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terminal.Write([]byte("ls -la\n"))
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}()
|
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*/
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logger.Infof("Creating terminal...")
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terminal := terminal.New(pty, logger, conf.ColourScheme)
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|
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g := gui.New(conf, terminal, sugaredLogger)
|
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g := gui.New(conf, terminal, logger)
|
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if err := g.Render(); err != nil {
|
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sugaredLogger.Fatalf("Render error: %s", err)
|
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logger.Fatalf("Render error: %s", err)
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
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@ -16,6 +16,15 @@ type CellAttributes struct {
|
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Hidden bool
|
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}
|
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|
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func (terminal *Terminal) NewCell() Cell {
|
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return Cell{
|
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attr: CellAttributes{
|
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FgColour: terminal.colourScheme.DefaultFg,
|
||||
BgColour: terminal.colourScheme.DefaultBg,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
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func (cell *Cell) GetRune() rune {
|
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return cell.r
|
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}
|
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|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
package terminal
|
||||
|
||||
type ColourScheme struct {
|
||||
Cursor [3]float32
|
||||
DefaultFg [3]float32
|
||||
BlackFg [3]float32
|
||||
RedFg [3]float32
|
||||
|
|
@ -38,6 +39,7 @@ type ColourScheme struct {
|
|||
}
|
||||
|
||||
var DefaultColourScheme = ColourScheme{
|
||||
Cursor: [3]float32{0.8, 0.8, 0.8},
|
||||
//fg
|
||||
DefaultFg: [3]float32{1, 1, 1},
|
||||
BlackFg: [3]float32{0, 0, 0},
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
package terminal
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"os"
|
||||
"strconv"
|
||||
|
|
@ -126,6 +127,10 @@ func (terminal *Terminal) incrementPosition() {
|
|||
position := terminal.getPosition()
|
||||
if position.Col+1 >= int(terminal.size.Width) {
|
||||
position.Line++
|
||||
_, h := terminal.GetSize()
|
||||
if position.Line >= h {
|
||||
position.Line--
|
||||
}
|
||||
position.Col = 0
|
||||
} else {
|
||||
position.Col++
|
||||
|
|
@ -137,6 +142,10 @@ func (terminal *Terminal) SetPosition(position Position) {
|
|||
terminal.position = position
|
||||
}
|
||||
|
||||
func (terminal *Terminal) GetPosition() Position {
|
||||
return terminal.position
|
||||
}
|
||||
|
||||
func (terminal *Terminal) GetTitle() string {
|
||||
return terminal.title
|
||||
}
|
||||
|
|
@ -151,11 +160,13 @@ func (terminal *Terminal) ClearToEndOfLine() {
|
|||
|
||||
position := terminal.getPosition()
|
||||
|
||||
if position.Line < len(terminal.lines) {
|
||||
if position.Col < len(terminal.lines[position.Line].Cells) {
|
||||
terminal.lines[position.Line].Cells = terminal.lines[position.Line].Cells[:position.Col]
|
||||
line := terminal.getBufferedLine(position.Line)
|
||||
if line != nil {
|
||||
if position.Col < len(line.Cells) {
|
||||
line.Cells = line.Cells[:position.Col]
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// we have thousands of lines of output. if the terminal is X lines high, we just want to lookat the most recent X lines to render (unless scroll etc)
|
||||
|
|
@ -172,179 +183,246 @@ func (terminal *Terminal) getBufferedLine(line int) *Line {
|
|||
return &terminal.lines[line]
|
||||
}
|
||||
|
||||
func (terminal *Terminal) processInput(buffer chan rune) {
|
||||
|
||||
// https://en.wikipedia.org/wiki/ANSI_escape_code
|
||||
|
||||
for {
|
||||
b := <-buffer
|
||||
|
||||
if b == 0x1b { // if the byte is an escape character, read the next byte to determine which one
|
||||
b = <-buffer
|
||||
switch b {
|
||||
case 0x5b: // CSI: Control Sequence Introducer ]
|
||||
var final rune
|
||||
params := []rune{}
|
||||
intermediate := []rune{}
|
||||
CSI:
|
||||
for {
|
||||
b = <-buffer
|
||||
switch true {
|
||||
case b >= 0x30 && b <= 0x3F:
|
||||
params = append(params, b)
|
||||
case b >= 0x20 && b <= 0x2F:
|
||||
intermediate = append(intermediate, b)
|
||||
case b >= 0x40 && b <= 0x7e:
|
||||
final = b
|
||||
break CSI
|
||||
}
|
||||
}
|
||||
|
||||
switch final {
|
||||
case rune('A'):
|
||||
distance := 1
|
||||
if len(params) > 0 {
|
||||
var err error
|
||||
distance, err = strconv.Atoi(string(params[0]))
|
||||
if err != nil {
|
||||
distance = 1
|
||||
}
|
||||
}
|
||||
if terminal.position.Line-distance >= 0 {
|
||||
terminal.position.Line -= distance
|
||||
}
|
||||
case rune('B'):
|
||||
distance := 1
|
||||
if len(params) > 0 {
|
||||
var err error
|
||||
distance, err = strconv.Atoi(string(params[0]))
|
||||
if err != nil {
|
||||
distance = 1
|
||||
}
|
||||
}
|
||||
|
||||
terminal.position.Line += distance
|
||||
|
||||
case 0x4b: // K - EOL - Erase to end of line
|
||||
if len(params) == 0 || params[0] == rune('0') {
|
||||
terminal.ClearToEndOfLine()
|
||||
} else {
|
||||
terminal.logger.Errorf("Unsupported EL")
|
||||
}
|
||||
case rune('m'):
|
||||
// SGR: colour and shit
|
||||
sgr := string(params)
|
||||
sgrParams := strings.Split(sgr, ";")
|
||||
for i := range sgrParams {
|
||||
param := sgrParams[i]
|
||||
switch param {
|
||||
case "0":
|
||||
terminal.cellAttr = terminal.defaultCellAttr
|
||||
case "1":
|
||||
terminal.cellAttr.Bold = true
|
||||
case "2":
|
||||
terminal.cellAttr.Dim = true
|
||||
case "4":
|
||||
terminal.cellAttr.Underline = true
|
||||
case "5":
|
||||
terminal.cellAttr.Blink = true
|
||||
case "7":
|
||||
terminal.cellAttr.Reverse = true
|
||||
case "8":
|
||||
terminal.cellAttr.Hidden = true
|
||||
case "21":
|
||||
terminal.cellAttr.Bold = false
|
||||
case "22":
|
||||
terminal.cellAttr.Dim = false
|
||||
case "24":
|
||||
terminal.cellAttr.Underline = false
|
||||
case "25":
|
||||
terminal.cellAttr.Blink = false
|
||||
case "27":
|
||||
terminal.cellAttr.Reverse = false
|
||||
case "28":
|
||||
terminal.cellAttr.Hidden = false
|
||||
case "39":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.DefaultFg
|
||||
case "30":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.BlackFg
|
||||
case "31":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.RedFg
|
||||
case "32":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.GreenFg
|
||||
case "33":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.YellowFg
|
||||
case "34":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.BlueFg
|
||||
case "35":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.MagentaFg
|
||||
case "36":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.CyanFg
|
||||
case "37":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightGreyFg
|
||||
case "90":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.DarkGreyFg
|
||||
case "91":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightRedFg
|
||||
case "92":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightGreenFg
|
||||
case "93":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightYellowFg
|
||||
case "94":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightBlueFg
|
||||
case "95":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightMagentaFg
|
||||
case "96":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.LightCyanFg
|
||||
case "97":
|
||||
terminal.cellAttr.FgColour = terminal.colourScheme.WhiteFg
|
||||
case "49":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.DefaultBg
|
||||
case "40":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.BlackBg
|
||||
case "41":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.RedBg
|
||||
case "42":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.GreenBg
|
||||
case "43":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.YellowBg
|
||||
case "44":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.BlueBg
|
||||
case "45":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.MagentaBg
|
||||
case "46":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.CyanBg
|
||||
case "47":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightGreenBg
|
||||
case "100":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.DarkGreyBg
|
||||
case "101":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightRedBg
|
||||
case "102":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightGreenBg
|
||||
case "103":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightYellowBg
|
||||
case "104":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightBlueBg
|
||||
case "105":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightMagentaBg
|
||||
case "106":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.LightCyanBg
|
||||
case "107":
|
||||
terminal.cellAttr.BgColour = terminal.colourScheme.WhiteBg
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
default:
|
||||
b = <-buffer
|
||||
terminal.logger.Errorf("Unknown CSI control sequence: 0x%02X (%s)", final, string(final))
|
||||
}
|
||||
case 0x5d: // OSC: Operating System Command
|
||||
b = <-buffer
|
||||
switch b {
|
||||
case rune('0'):
|
||||
b = <-buffer
|
||||
if b == rune(';') {
|
||||
title := []rune{}
|
||||
for {
|
||||
b = <-buffer
|
||||
if b == 0x07 {
|
||||
break
|
||||
}
|
||||
title = append(title, b)
|
||||
}
|
||||
terminal.logger.Debugf("Terminal title set to: %s", string(title))
|
||||
terminal.title = string(title)
|
||||
} else {
|
||||
terminal.logger.Errorf("Invalid OSC 0 control sequence: 0x%02X", b)
|
||||
}
|
||||
default:
|
||||
terminal.logger.Errorf("Unknown OSC control sequence: 0x%02X", b)
|
||||
}
|
||||
case rune('c'):
|
||||
terminal.logger.Errorf("RIS not yet supported")
|
||||
case rune(')'), rune('('):
|
||||
b = <-buffer
|
||||
terminal.logger.Debugf("Ignoring character set control code )%s", string(b))
|
||||
default:
|
||||
terminal.logger.Errorf("Unknown control sequence: 0x%02X [%s]", b, string(b))
|
||||
}
|
||||
} else {
|
||||
|
||||
switch b {
|
||||
case 0x0a:
|
||||
terminal.position.Line++
|
||||
_, h := terminal.GetSize()
|
||||
if terminal.position.Line >= h {
|
||||
terminal.position.Line--
|
||||
}
|
||||
terminal.lines = append(terminal.lines, NewLine())
|
||||
case 0x0d:
|
||||
terminal.position.Col = 0
|
||||
case 0x08:
|
||||
// backspace
|
||||
terminal.position.Col--
|
||||
case 0x07:
|
||||
// @todo ring bell
|
||||
default:
|
||||
// render character at current location
|
||||
// fmt.Printf("%s\n", string([]byte{b}))
|
||||
terminal.writeRune(b)
|
||||
}
|
||||
|
||||
}
|
||||
terminal.triggerOnUpdate()
|
||||
}
|
||||
}
|
||||
|
||||
// Read needs to be run on a goroutine, as it continually reads output to set on the terminal
|
||||
func (terminal *Terminal) Read() error {
|
||||
|
||||
buffer := make(chan byte, 0xffff)
|
||||
buffer := make(chan rune, 0xffff)
|
||||
|
||||
go func() {
|
||||
|
||||
// https://en.wikipedia.org/wiki/ANSI_escape_code
|
||||
|
||||
for {
|
||||
b := <-buffer
|
||||
|
||||
if b == 0x1b { // if the byte is an escape character, read the next byte to determine which one
|
||||
b = <-buffer
|
||||
switch b {
|
||||
case 0x5b: // CSI: Control Sequence Introducer ]
|
||||
var final byte
|
||||
params := []byte{}
|
||||
intermediate := []byte{}
|
||||
CSI:
|
||||
for {
|
||||
b = <-buffer
|
||||
switch true {
|
||||
case b >= 0x30 && b <= 0x3F:
|
||||
params = append(params, b)
|
||||
case b >= 0x20 && b <= 0x2F:
|
||||
intermediate = append(intermediate, b)
|
||||
case b >= 0x40 && b <= 0x7e:
|
||||
final = b
|
||||
break CSI
|
||||
}
|
||||
}
|
||||
|
||||
switch final {
|
||||
case byte('A'):
|
||||
distance := 1
|
||||
if len(params) > 0 {
|
||||
var err error
|
||||
distance, err = strconv.Atoi(string([]byte{params[0]}))
|
||||
if err != nil {
|
||||
distance = 1
|
||||
}
|
||||
}
|
||||
if terminal.position.Line-distance >= 0 {
|
||||
terminal.position.Line -= distance
|
||||
}
|
||||
case byte('B'):
|
||||
distance := 1
|
||||
if len(params) > 0 {
|
||||
var err error
|
||||
distance, err = strconv.Atoi(string([]byte{params[0]}))
|
||||
if err != nil {
|
||||
distance = 1
|
||||
}
|
||||
}
|
||||
|
||||
terminal.position.Line += distance
|
||||
|
||||
case 0x4b: // K - EOL - Erase to end of line
|
||||
if len(params) == 0 || params[0] == byte('0') {
|
||||
terminal.ClearToEndOfLine()
|
||||
} else {
|
||||
terminal.logger.Errorf("Unsupported EL")
|
||||
}
|
||||
case byte('m'):
|
||||
// SGR: colour and shit
|
||||
sgr := string(params)
|
||||
sgrParams := strings.Split(sgr, ";")
|
||||
for i := range sgrParams {
|
||||
param := sgrParams[i]
|
||||
switch param {
|
||||
case "0":
|
||||
terminal.cellAttr = terminal.defaultCellAttr
|
||||
case "1":
|
||||
terminal.cellAttr.Bold = true
|
||||
case "2":
|
||||
terminal.cellAttr.Dim = true
|
||||
case "4":
|
||||
terminal.cellAttr.Underline = true
|
||||
case "5":
|
||||
terminal.cellAttr.Blink = true
|
||||
case "7":
|
||||
terminal.cellAttr.Reverse = true
|
||||
case "8":
|
||||
terminal.cellAttr.Hidden = true
|
||||
case "21":
|
||||
terminal.cellAttr.Bold = false
|
||||
case "22":
|
||||
terminal.cellAttr.Dim = false
|
||||
case "24":
|
||||
terminal.cellAttr.Underline = false
|
||||
case "25":
|
||||
terminal.cellAttr.Blink = false
|
||||
case "27":
|
||||
terminal.cellAttr.Reverse = false
|
||||
case "28":
|
||||
terminal.cellAttr.Hidden = false
|
||||
case "39":
|
||||
|
||||
}
|
||||
}
|
||||
terminal.logger.Debugf("SGR params %#v intermediate %#v", params, intermediate)
|
||||
default:
|
||||
b = <-buffer
|
||||
terminal.logger.Debugf("Unknown CSI control sequence: 0x%02X (%s)", final, string([]byte{final}))
|
||||
}
|
||||
case 0x5d: // OSC: Operating System Command
|
||||
b = <-buffer
|
||||
switch b {
|
||||
case byte('0'):
|
||||
b = <-buffer
|
||||
if b == byte(';') {
|
||||
title := []byte{}
|
||||
for {
|
||||
b = <-buffer
|
||||
if b == 0x07 {
|
||||
break
|
||||
}
|
||||
title = append(title, b)
|
||||
}
|
||||
terminal.logger.Debugf("Terminal title set to: %s", string(title))
|
||||
terminal.title = string(title)
|
||||
} else {
|
||||
terminal.logger.Debugf("Invalid OSC 0 control sequence: 0x%02X", b)
|
||||
}
|
||||
default:
|
||||
terminal.logger.Debugf("Unknown OSC control sequence: 0x%02X", b)
|
||||
}
|
||||
case byte('c'):
|
||||
terminal.logger.Errorf("RIS not yet supported")
|
||||
default:
|
||||
terminal.logger.Debugf("Unknown control sequence: 0x%02X", b)
|
||||
}
|
||||
} else {
|
||||
|
||||
switch b {
|
||||
case 0x0a:
|
||||
for terminal.position.Line+1 >= len(terminal.lines) {
|
||||
terminal.lines = append(terminal.lines, NewLine())
|
||||
}
|
||||
terminal.position.Line++
|
||||
case 0x0d:
|
||||
terminal.position.Col = 0
|
||||
case 0x08:
|
||||
// backspace
|
||||
terminal.position.Col--
|
||||
case 0x07:
|
||||
// @todo ring bell
|
||||
default:
|
||||
// render character at current location
|
||||
// fmt.Printf("%s\n", string([]byte{b}))
|
||||
terminal.writeRune([]rune(string([]byte{b}))[0])
|
||||
}
|
||||
|
||||
}
|
||||
terminal.triggerOnUpdate()
|
||||
}
|
||||
}()
|
||||
reader := bufio.NewReader(terminal.pty)
|
||||
|
||||
go terminal.processInput(buffer)
|
||||
for {
|
||||
readBytes := make([]byte, 1024)
|
||||
n, err := terminal.pty.Read(readBytes)
|
||||
r, size, err := reader.ReadRune()
|
||||
if err != nil {
|
||||
terminal.logger.Errorf("Failed to read from pty: %s", err)
|
||||
return err
|
||||
}
|
||||
if len(readBytes) > 0 {
|
||||
readBytes = readBytes[:n]
|
||||
fmt.Printf("Data in: %q\n", string(readBytes))
|
||||
for _, x := range readBytes {
|
||||
buffer <- x
|
||||
}
|
||||
|
||||
} else if size > 0 {
|
||||
buffer <- r
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -380,7 +458,7 @@ func (terminal *Terminal) GetCellAtPos(pos Position) (*Cell, error) {
|
|||
return nil, fmt.Errorf("Line missing")
|
||||
}
|
||||
for pos.Col >= len(line.Cells) {
|
||||
line.Cells = append(line.Cells, Cell{})
|
||||
line.Cells = append(line.Cells, terminal.NewCell())
|
||||
}
|
||||
return &line.Cells[pos.Col], nil
|
||||
}
|
||||
|
|
@ -396,15 +474,17 @@ func (terminal *Terminal) setRuneAtPos(pos Position, r rune) error {
|
|||
fmt.Printf("\n\nSetting %d %d to %q\n\n\n", pos.Line, pos.Col, string(r))
|
||||
}
|
||||
|
||||
for terminal.position.Line >= len(terminal.lines) {
|
||||
terminal.lines = append(terminal.lines, NewLine())
|
||||
}
|
||||
|
||||
line := terminal.getBufferedLine(pos.Line)
|
||||
if line == nil {
|
||||
|
||||
return fmt.Errorf("Impossible?")
|
||||
|
||||
}
|
||||
|
||||
for pos.Col >= len(line.Cells) {
|
||||
line.Cells = append(line.Cells, Cell{})
|
||||
line.Cells = append(line.Cells, terminal.NewCell())
|
||||
}
|
||||
|
||||
line.Cells[pos.Col].attr = terminal.cellAttr
|
||||
|
|
|
|||
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Reference in New Issue