Files
sml-projects/fcore/normal-mode/normal-search-mode.sml

74 lines
2.2 KiB
Standard ML

structure NormalSearchMode =
struct
open AppType
open InputMsg
open MailboxType
(* todo: redraw based on results of tempSearchList *)
fun addChr (app: app_type, searchString, chr) =
let
val c = String.implode [chr]
val searchString = searchString ^ c
val {buffer, cursorIdx, ...} = app
val buffer = LineGap.goToIdx (cursorIdx - 1111, buffer)
val tempSearchList =
SearchList.buildRange (buffer, searchString, cursorIdx + 1111)
val mode =
NORMAL_SEARCH_MODE
{searchString = searchString, tempSearchList = tempSearchList}
in
NormalModeWith.mode (app, mode, [])
end
(* save search string and tempSearchList and return to normal mode *)
fun finishSearch (app: app_type, searchString, tempSearchList) =
let
val {buffer, cursorIdx, windowWidth, windowHeight, startLine, ...} = app
val buffer = LineGap.goToStart buffer
val initialMsg = [SEARCH (buffer, searchString)]
(* move LineGap to first line displayed on screen *)
val buffer = LineGap.goToLine (startLine, buffer)
(* get new startLine which may move screen depending on cursor movements *)
val startLine = TextWindow.getStartLine
(buffer, startLine, cursorIdx, windowWidth, windowHeight)
(* move buffer to new startLine as required by TextBuilder.build *)
val buffer = LineGap.goToLine (startLine, buffer)
val msgs = TextBuilder.build
( startLine
, cursorIdx
, buffer
, windowWidth
, windowHeight
, tempSearchList
, searchString
, initialMsg
)
val mode = NORMAL_MODE ""
in
NormalSearchModeWith.returnToNormalMode
( app
, buffer
, searchString
, tempSearchList
, startLine
, mode
, msgs
)
end
fun update (app, {searchString, tempSearchList}, msg, time) =
case msg of
CHAR_EVENT chr => addChr (app, searchString, chr)
| KEY_ESC => NormalFinish.clearMode app
| KEY_ENTER => finishSearch (app, searchString, tempSearchList)
| RESIZE_EVENT (width, height) => app
| WITH_SEARCH_LIST searchList => app
end