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authorMarc Coquand <marc@mccd.space>2024-05-30 08:45:22 -0500
committerMarc Coquand <marc@mccd.space>2024-05-30 08:45:22 -0500
commit2c0f6e026acb2ecfc1c39d617f47d024e404bb9d (patch)
treea2d07acb5e12ebee1b68d325226c1ad85ef16f27
parent4671c60b811fb25e5544de0506a0783dffef63aa (diff)
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Input Prompt: Implement left and right arrow
-rw-r--r--lib/done.ml6
-rw-r--r--lib/headlines.ml9
-rw-r--r--lib/input_prompt.ml38
-rw-r--r--lib/stitched_article.ml9
-rw-r--r--lib/todos.ml6
5 files changed, 50 insertions, 18 deletions
diff --git a/lib/done.ml b/lib/done.ml
index 810ef90..18e7b89 100644
--- a/lib/done.ml
+++ b/lib/done.ml
@@ -108,7 +108,8 @@ let rec render
| `Key (`ASCII 's', []) ->
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "REGEXP"
; on_enter =
(fun tag ->
@@ -152,7 +153,8 @@ let rec render
let selected_file = Grep.execution_directory ^ "/" ^ selected_file in
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "COMMAND"
; on_enter =
(fun command ->
diff --git a/lib/headlines.ml b/lib/headlines.ml
index 3c94f12..b8303c0 100644
--- a/lib/headlines.ml
+++ b/lib/headlines.ml
@@ -115,7 +115,8 @@ let rec render
| `Key (`ASCII 'o', []) ->
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "EXPORT TO"
; on_enter =
(fun path ->
@@ -164,7 +165,8 @@ let rec render
| `Key (`ASCII 's', []) ->
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_post = ""
+ ; user_input_pre = ""
; prompt = "REGEXP"
; on_enter =
(fun tag ->
@@ -199,7 +201,8 @@ let rec render
let selected_file = Grep.execution_directory ^ "/" ^ selected_file in
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_post = ""
+ ; user_input_pre = ""
; prompt = "COMMAND"
; on_enter =
(fun command ->
diff --git a/lib/input_prompt.ml b/lib/input_prompt.ml
index aec6021..a407741 100644
--- a/lib/input_prompt.ml
+++ b/lib/input_prompt.ml
@@ -3,22 +3,27 @@ module Common = Common
open Notty
type state =
- { user_input : string
+ { (* Pre = before the cursor, post = after the cursor *)
+ user_input_pre : string
+ ; user_input_post : string
; on_enter : string -> unit
; on_cancel : unit -> unit
; prompt : string
; screen : I.t
}
-let rec render t ({ user_input; on_enter; on_cancel; prompt; screen } as state) =
+let rec render
+ t
+ ({ user_input_pre; user_input_post; on_enter; on_cancel; prompt; screen } as state)
+ =
let size_x, size_y = Common.Term.size t in
Common.Term.cursor
t
- (Some (String.length user_input + String.length prompt + 3, size_y));
+ (Some (String.length user_input_pre + String.length prompt + 3, size_y));
let img =
let open I in
I.strf " %s " ~attr:(A.st A.reverse) prompt
- <|> I.strf " %s%s" user_input (String.make size_x ' ')
+ <|> I.strf " %s%s%s" user_input_pre user_input_post (String.make size_x ' ')
|> I.pad ~l:0 ~t:(size_y - 1)
</> screen
in
@@ -26,19 +31,36 @@ let rec render t ({ user_input; on_enter; on_cancel; prompt; screen } as state)
match Common.Term.event t with
| `End | `Key (`Escape, []) | `Key (`ASCII 'G', [ `Ctrl ]) | `Key (`ASCII 'C', [ `Ctrl ])
-> on_cancel ()
- | `Key (`Enter, []) -> on_enter user_input
+ | `Key (`Enter, []) -> on_enter (user_input_pre ^ user_input_post)
| `Key (`Backspace, []) ->
- if String.equal "" user_input
+ if String.equal "" (user_input_pre ^ user_input_post)
then on_cancel ()
else (
let state =
{ state with
- user_input = String.sub user_input 0 (max (String.length user_input - 1) 0)
+ user_input_pre =
+ String.sub user_input_pre 0 (max (String.length user_input_pre - 1) 0)
}
in
render t state)
| `Resize _ -> render t state
+ | `Key (`Arrow `Left, []) ->
+ if user_input_pre = ""
+ then render t state
+ else (
+ let char_to_move = Str.last_chars user_input_pre 1
+ and new_pre = Str.string_before user_input_pre (String.length user_input_pre - 1) in
+ let new_post = char_to_move ^ user_input_post in
+ render t { state with user_input_pre = new_pre; user_input_post = new_post })
+ | `Key (`Arrow `Right, []) ->
+ if user_input_post = ""
+ then render t state
+ else (
+ let char_to_move = Str.first_chars user_input_post 1
+ and new_post = Str.string_after user_input_post 1 in
+ let new_pre = user_input_pre ^ char_to_move in
+ render t { state with user_input_pre = new_pre; user_input_post = new_post })
| `Key (`ASCII c, []) ->
- let state = { state with user_input = user_input ^ String.make 1 c } in
+ let state = { state with user_input_pre = user_input_pre ^ String.make 1 c } in
render t state
| _ -> render t state
diff --git a/lib/stitched_article.ml b/lib/stitched_article.ml
index d333747..9548e11 100644
--- a/lib/stitched_article.ml
+++ b/lib/stitched_article.ml
@@ -96,7 +96,8 @@ let rec render
| `Key (`ASCII 'o', []) ->
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "EXPORT TO"
; on_enter =
(fun path ->
@@ -128,7 +129,8 @@ let rec render
let selected_file = Grep.execution_directory ^ "/" ^ selected_file in
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "COMMAND"
; on_enter =
(fun command ->
@@ -174,7 +176,8 @@ let rec render
| `Key (`ASCII 's', []) ->
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "REGEXP"
; on_enter =
(fun tag ->
diff --git a/lib/todos.ml b/lib/todos.ml
index 83a497b..f2e461d 100644
--- a/lib/todos.ml
+++ b/lib/todos.ml
@@ -127,7 +127,8 @@ let rec render
| `Key (`ASCII 's', []) ->
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_pre = ""
+ ; user_input_post = ""
; prompt = "REGEXP"
; on_enter =
(fun tag ->
@@ -155,7 +156,8 @@ let rec render
let selected_file = Grep.execution_directory ^ "/" ^ selected_file in
let (input_state : Input_prompt.state) =
{ screen = img
- ; user_input = ""
+ ; user_input_post = ""
+ ; user_input_pre = ""
; prompt = "COMMAND"
; on_enter =
(fun command ->