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split preedit and candidates
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dynamically calculate Gui size (still a little buggy)
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@amorphobia
amorphobia committed Sep 30, 2023
1 parent 5296228 commit fd26962
Showing 1 changed file with 130 additions and 42 deletions.
172 changes: 130 additions & 42 deletions Rabbit.ahk
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,9 @@ RabbitMain() {
box.MarginX := 3
box.MarginY := 3
box.SetFont("S12", "Microsoft YaHei UI")
candidates := box.AddEdit("vCandidates -VScroll xm ym w200 ReadOnly r9")
preedit := box.AddEdit("vPreedit -VScroll xm ym w200 ReadOnly r1")
preedit.Value := "nihao"
candidates := box.AddEdit("vCandidates -VScroll w200 ReadOnly r10")
candidates.Value := "Hello, Rabbit!`r`n"
; box.Show("AutoSize")

Expand Down Expand Up @@ -172,19 +174,38 @@ ProcessKey(key, mask, this_hotkey) {

if context := rime.get_context(session_id) {
if context.composition.length > 0 {
context_text := GetCompositionText(context.composition) . "`r`n" . GetMenuText(context.menu)
has_selected := GetCompositionText(context.composition, &pre_selected, &selected, &post_selected)
preedit_text := pre_selected
if has_selected
preedit_text := preedit_text . "[" . selected "]" . post_selected

GetTextSize(preedit_text, "S12, Microsoft YaHei UI", &max_width, &height)

candidate_text_array := GetCandidateTextArray(context.menu, &page_no, &is_last_page)

local menu_text := ""
for candidate_text in candidate_text_array {
GetTextSize(candidate_text, "S12, Microsoft YaHei UI", &width)
if width > max_width
max_width := width
if A_Index > 1
menu_text := menu_text . "`r`n"
menu_text := menu_text . candidate_text
}

if caret {
; ToolTip(context_text, caret_x, caret_y + 30)
local caret_loc := "`r`nx: " . caret_x . ", y: " . caret_y . ", w: " . caret_w . ", h: " . caret_h
box["Candidates"].Value := context_text . caret_loc
; local caret_loc := "x: " . caret_x . ", y: " . caret_y . ", w: " . caret_w . ", h: " . caret_h
; GetTextSize(caret_loc, "S12, Microsoft YaHei UI", &width)
; if width > max_width
; max_width := width
box["Preedit"].Value := preedit_text
box["Candidates"].Value := menu_text ;. "`r`n" . caret_loc
box["Preedit"].Move(, , max_width)
box["Candidates"].Move(, , max_width, height * candidate_text_array.Length)
box.Show("AutoSize NA x" . (caret_x + caret_w) . " y" . (caret_y + caret_h + 4))
WinSetAlwaysOnTop(1, box)
} else {
; ToolTip(context_text)
local caret_loc := "`r`nx: " . caret_x . ", y: " . caret_y . ", w: " . caret_w . ", h: " . caret_h
box["Candidates"].Value := context_text . caret_loc
box.Show("AutoSize NA")
WinSetAlwaysOnTop(1, box)
ToolTip(preedit_text . "`r`n" . menu_text)
}
} else {
ToolTip()
Expand All @@ -201,48 +222,115 @@ ProcessKey(key, mask, this_hotkey) {
}
}

GetCompositionText(composition) {
local output := ""
GetCompositionText(composition, &pre_selected, &selected, &post_selected) {
pre_selected := ""
selected := ""
post_selected := ""
if not preedit := composition.preedit
return output

local len := StrPut(preedit, "UTF-8")
local start := composition.sel_start
local end := composition.sel_end
local cursor := composition.cursor_pos
local i := 0
Loop parse preedit {
if start < end {
if i = start
output := output . "["
else if i = end
output := output . "]"
return false

static cursor_text := "‸" ; or 𝙸
static cursor_size := StrPut(cursor_text, "UTF-8") - 1 ; do not count tailing null

local preedit_length := StrPut(preedit, "UTF-8")
local selected_start := composition.sel_start
local selected_end := composition.sel_end

local preedit_buffer ; insert caret text into preedit text if applicable
if 0 <= composition.cursor_pos and composition.cursor_pos <= preedit_length {
preedit_buffer := Buffer(preedit_length + cursor_size, 0)
local temp_preedit := c_str(preedit)
local src := temp_preedit.Ptr
local tgt := preedit_buffer.Ptr
Loop composition.cursor_pos {
byte := NumGet(src, A_Index - 1, "Char")
NumPut("Char", byte, tgt, A_Index - 1)
}
if i = cursor
output := output . "‸"
if i < len
output := output . A_LoopField
i := i + StrPut(A_LoopField, "UTF-8") - 1
src := src + composition.cursor_pos
tgt := tgt + composition.cursor_pos
StrPut(cursor_text, tgt, "UTF-8")
tgt := tgt + cursor_size
Loop preedit_length - composition.cursor_pos {
byte := NumGet(src, A_Index - 1, "Char")
NumPut("Char", byte, tgt, A_Index - 1)
}
preedit_length := preedit_length + cursor_size
if selected_start >= composition.cursor_pos
selected_start := selected_start + cursor_size
if selected_end > composition.cursor_pos
selected_end := selected_end + cursor_size
} else {
preedit_buffer := Buffer(preedit_length, 0)
StrPut(preedit, preedit_buffer, "UTF-8")
}
if start < end and i = end
output := output . "]"
if i = cursor
output := output . "‸"

return output
if 0 <= selected_start and selected_start < selected_end and selected_end <= preedit_length {
pre_selected := StrGet(preedit_buffer, selected_start, "UTF-8")
selected := StrGet(preedit_buffer.Ptr + selected_start, selected_end - selected_start, "UTF-8")
post_selected := StrGet(preedit_buffer.Ptr + selected_end, "UTF-8")
return true
} else {
pre_selected := StrGet(preedit_buffer, "UTF-8")
return false
}
}

GetMenuText(menu) {
local output := ""
GetCandidateTextArray(menu, &page_no, &is_last_page) {
local candidate_text_array := Array()
if menu.num_candidates = 0
return output
return candidate_text_array

page_no := menu.page_no
is_last_page := menu.is_last_page
; local page_info := "page: " . page_no + 1 . (is_last_page ? "$" : " ") . "(of size " . menu.page_size . ")"
; candidate_text_array.Push(page_info)

output := "page: " . menu.page_no + 1 . (menu.is_last_page ? "$" : " ") . "(of size " . menu.page_size . ")"
local candidates := menu.candidates
Loop menu.num_candidates {
local highlighted := A_Index = menu.highlighted_candidate_index + 1
output := output . "`r`n" . A_Index . ". " . (highlighted ? "[" : " ") . candidates[A_Index].text . (highlighted ? "]" : " ") . candidates[A_Index].comment
local is_highlighted := A_Index = menu.highlighted_candidate_index + 1
local candidate_text := A_Index . ". " . (is_highlighted ? "[" : " ") . candidates[A_Index].text . (is_highlighted ? "]" : " ") . candidates[A_Index].comment
candidate_text_array.Push(candidate_text)
}

return output
return candidate_text_array
}

; https://www.autohotkey.com/board/topic/16625-function-gettextsize-calculate-text-dimension/
GetTextSize(text, font_settings := "", &width := 0, &height := 0) {
local dc := DllCall("GetDC", "UInt", 0)

; parse font
italic := InStr(font_settings, "italic") ? true : false
underline := InStr(font_settings, "underline") ? true : false
strikeout := InStr(font_settings, "strikeout") ? true : false
weight := InStr(font_settings, "bold") ? 700 : 400

RegExMatch(font_settings, "(?<=[S|s])(\d{1,2})(?=[ ,])", &matched)
point := matched ? Integer(matched[1]) : 10

; static weasel_root := RegRead("HKEY_LOCAL_MACHINE\Software\Rime\Weasel", "WeaselRoot", "")
local log_pixels := RegRead("HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\FontDPI", "LogPixels", "")
point := -DllCall("MulDiv", "Int", point, "Int", log_pixels, "Int", 72)
RegExMatch(font_settings, "(?<=,)(.+)", &matched)
font_face := matched ? RegExReplace(matched[1], "(^\s*)|(\s*$)") : "MS Sans Serif"

font := DllCall("CreateFont", "Int", point, "Int", 0, "Int", 0, "Int", 0, "Int", weight, "UInt", italic, "UInt", underline, "UInt", strikeout, "UInt", 0, "UInt", 0, "UInt", 0, "UInt", 0, "UInt", 0, "Str", font_face)
old_font := DllCall("SelectObject", "UInt", dc, "UInt", font)

local size := Buffer(16, 0)
DllCall("DrawText", "UInt", dc, "Str", text, "Int", StrLen(text), "UInt", size.Ptr, "UInt", 0x400)
DllCall("SelectObject", "UInt", dc, "UInt", old_font)
DllCall("DeleteObject", "UInt", font)
DllCall("ReleaseDC", "UInt", 0, "UInt", dc)

width := ExtractInteger(size.Ptr, 8)
height := ExtractInteger(size.Ptr, 12)
}

ExtractInteger(src, offset) {
local result := 0
Loop 4 {
result += NumGet(src, offset + A_Index - 1, "UChar") << 8 * (A_Index - 1)
}
return result
}

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