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term.ui: fix shift notices, remove warning for main example

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This commit is contained in:
Delyan Angelov 2022-01-24 20:11:29 +02:00
parent 509a8fcaf1
commit 32f2f0dfa1
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GPG Key ID: 66886C0F12D595ED
2 changed files with 17 additions and 14 deletions
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19
vlib/term/ui/README.md
View File

@ -13,7 +13,6 @@ mut:
}
fn event(e &tui.Event, x voidptr) {
mut app := &App(x)
println(e)
if e.typ == .key_down && e.code == .escape {
exit(0)
@ -33,14 +32,16 @@ fn frame(x voidptr) {
app.tui.flush()
}
mut app := &App{}
app.tui = tui.init(
user_data: app
event_fn: event
frame_fn: frame
hide_cursor: true
)
app.tui.run() ?
fn main() {
mut app := &App{}
app.tui = tui.init(
user_data: app
event_fn: event
frame_fn: frame
hide_cursor: true
)
app.tui.run() ?
}
```
See the `/examples/term.ui/` folder for more usage examples.

12
vlib/term/ui/color.v
View File

@ -9,8 +9,8 @@ const value_range = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]!
pub const color_table = init_color_table()
[direct_array_access]
fn init_color_table() []int {
mut color_table_ := []int{len: 256}
fn init_color_table() []u32 {
mut color_table_ := []u32{len: 256}
// ansi colors
color_table_[0] = 0x000000
color_table_[1] = 0x800000
@ -33,12 +33,14 @@ fn init_color_table() []int {
r := ui.value_range[(i / 36) % 6]
g := ui.value_range[(i / 6) % 6]
b := ui.value_range[i % 6]
color_table_[i + 16] = ((r << 16) & 0xffffff) + ((g << 8) & 0xffff) + (b & 0xff)
color_table_[i + 16] = ((u32(r) << 16) & 0xffffff) + ((u32(g) << 8) & 0xffff) +
(u32(b) & 0xff)
}
// grayscale
for i in 0 .. 24 {
r := 8 + (i * 10)
color_table_[i + 232] = ((r << 16) & 0xffffff) + ((r << 8) & 0xffff) + (r & 0xff)
color_table_[i + 232] = ((u32(r) << 16) & 0xffffff) + ((u32(r) << 8) & 0xffff) +
(u32(r) & 0xff)
}
return color_table_
}
@ -66,7 +68,7 @@ fn approximate_rgb(r int, g int, b int) int {
}
fn lookup_rgb(r int, g int, b int) int {
color := (r << 16) + (g << 8) + b
color := (u32(r) << 16) + (u32(g) << 8) + u32(b)
// lookup extended colors only, coz non-extended can be changed by users.
for i in 16 .. 256 {
if ui.color_table[i] == color {