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More notcurses fun. Not stable! (0.39.4)

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Johannes Findeisen 2026-03-20 20:57:43 +01:00
commit 18ac230c21
19 changed files with 715 additions and 15 deletions
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130
lib/ui/notcurses.fun
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@ -40,3 +40,133 @@ class Notcurses()
return nc_shutdown()
// (banner helper removed temporarily due to parser limitations)
// --- Extended primitives ---
fun size(this)
return nc_get_size()
fun render(this)
return nc_render()
// fg/bg are 0xRRGGBB, style bitmask: bold(1), dim(2), italic(4), underline(8), strike(16), reverse(32)
fun set_style(this, fg, bg, style)
// parser order for builtin is (style,bg,fg)
return nc_set_style(to_number(style), to_number(bg), to_number(fg))
fun draw_char(this, y, x, ch)
return nc_draw_char(to_number(y), to_number(x), to_number(ch))
fun hline(this, y, x, len, ch)
return nc_draw_hline(to_number(y), to_number(x), to_number(len), to_number(ch))
fun vline(this, y, x, len, ch)
return nc_draw_vline(to_number(y), to_number(x), to_number(len), to_number(ch))
fun box(this, y, x, h, w, style)
// builtin expects (x,y,w,h,style)
return nc_box(to_number(x), to_number(y), to_number(w), to_number(h), to_number(style))
fun fill(this, y, x, h, w, ch)
// builtin expects (x,y,w,h,ch)
return nc_fill(to_number(x), to_number(y), to_number(w), to_number(h), to_number(ch))
// --- Widgets as methods ---
// Status bar on the last row
fun status_bar(this, text, style)
sz = this.size()
if style == nil
style = 32
rc = this.set_style(0x000000, 0xFFFFFF, style)
rc = this.fill(sz[0] - 1, 0, 1, sz[1], 32)
rc = this.draw_text(sz[0] - 1, 1, text)
rc = this.render()
return 0
// Draw styled label
fun label(this, y, x, text, style)
if style != nil
rc = this.set_style(0xFFFFFF, 0x000000, style)
rc = this.draw_text(y, x, text)
rc = this.render()
return 0
// Panel with optional title
fun box_panel(this, y, x, h, w, title, style)
if style == nil
style = 0
rc = this.box(y, x, h, w, style)
if title != nil
rc = this.draw_text(y, x + 2, to_string(title))
rc = this.render()
return 0
// Progress bar (frac in 0..1)
fun progress(this, y, x, w, frac, style)
if style == nil
style = 0
if frac < 0
frac = 0
if frac > 1
frac = 1
// frame and title
rc = nc_box(to_number(x - 2), to_number(y - 1), to_number(w + 4), 3, to_number(style))
// background in dim gray
rc = this.set_style(0x606060, 0x000000, 2)
rc = nc_fill(to_number(y), to_number(x), to_number(w), 1, 46) // '.'
// filled portion in bold green
rc = this.set_style(0x00FF00, 0x000000, 1)
fw = to_number(frac) * w
if fw < 0
fw = 0
if fw > w
fw = w
if fw > 0
rc = nc_fill(to_number(y), to_number(x), to_number(fw), 1, 35) // '#'
rc = nc_draw_text(to_number(y - 1), to_number(x), "Progress")
rc = nc_render()
return 0
// Simple vertical menu, highlight selected index
fun menu(this, y, x, items, selected_idx, w, style, sel_style)
if style == nil
style = 0
if sel_style == nil
sel_style = 32
i = 0
while i < len(items)
if i == selected_idx
rc = this.set_style(0x000000, 0xFFFFFF, sel_style)
else
rc = this.set_style(0xFFFFFF, 0x000000, style)
if w != nil
if len(to_string(items[i])) > w
rc = this.draw_text(y + i, x, substr(to_string(items[i]), 0, w))
else
rc = this.draw_text(y + i, x, to_string(items[i]))
else
rc = this.draw_text(y + i, x, to_string(items[i]))
i = i + 1
rc = this.render()
return 0
// Input line echo with cursor
fun input_line(this, y, x, prompt, buffer, cursor_idx, w, style)
if style == nil
style = 0
if w == nil
w = len(buffer) + len(prompt) + 2
rc = this.set_style(0xFFFFFF, 0x000000, style)
rc = this.draw_text(y, x, to_string(prompt))
rc = this.fill(y, x + len(prompt), 1, w, 32)
rc = this.draw_text(y, x + len(prompt), to_string(buffer))
this.set_style(0x000000, 0xFFFFFF, 32)
ci = cursor_idx
if ci < 0
ci = 0
if ci > len(buffer)
ci = len(buffer)
rc = this.draw_char(y, x + len(prompt) + ci, 32)
rc = this.render()
return 0
// --- End of class Notcurses ---