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Kartik K. Agaram 2023-07-31 11:08:52 -07:00
parent c7e26e656b e8a90c616d
commit 47dd4a6785
1 changed files with 30 additions and 16 deletions
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46
text.lua
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@ -27,31 +27,45 @@ function Text.draw(State, line_index, y, startpos, fg, hide_cursor)
local screen_line = Text.screen_line(line, line_cache, i)
--? print('text.draw:', screen_line, 'at', line_index,pos, 'after', x,y)
local frag_len = utf8.len(screen_line)
-- render fragment
-- render any highlights
if State.selection1.line then
local lo, hi = Text.clip_selection(State, line_index, pos, pos+frag_len)
Text.draw_highlight(State, line, State.left,y, pos, lo,hi)
end
App.color(Text_color)
App.screen.print(screen_line, State.left,y)
-- render cursor if necessary
if line_index == State.cursor1.line then
if pos <= State.cursor1.pos and pos + frag_len >= State.cursor1.pos then
if State.search_term then
local data = State.lines[State.cursor1.line].data
local cursor_offset = Text.offset(data, State.cursor1.pos)
if data:sub(cursor_offset, cursor_offset+#State.search_term-1) == State.search_term then
local lo_px = Text.draw_highlight(State, line, State.left,y, pos, State.cursor1.pos, State.cursor1.pos+utf8.len(State.search_term))
App.color(fg)
love.graphics.print(State.search_term, State.left+lo_px,y)
-- render search highlight or cursor
if State.search_term then
local data = State.lines[State.cursor1.line].data
local cursor_offset = Text.offset(data, State.cursor1.pos)
if data:sub(cursor_offset, cursor_offset+#State.search_term-1) == State.search_term then
local save_selection = State.selection1
State.selection1 = {line=line_index, pos=State.cursor1.pos+utf8.len(State.search_term)}
local lo, hi = Text.clip_selection(State, line_index, pos, pos+frag_len)
Text.draw_highlight(State, line, State.left,y, pos, lo,hi)
State.selection1 = save_selection
end
else
if pos <= State.cursor1.pos and pos + frag_len > State.cursor1.pos then
if hide_cursor then
Text.pretend_draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
else
Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y, Cursor_color, fg)
end
elseif pos + frag_len == State.cursor1.pos then
-- Show cursor at end of line.
-- This place also catches end of wrapping screen lines. That doesn't seem worth distinguishing.
-- It seems useful to see a cursor whether your eye is on the left or right margin.
if hide_cursor then
Text.pretend_draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
else
Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y, Cursor_color, fg)
end
elseif hide_cursor then
Text.pretend_draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y)
else
Text.draw_cursor(State, State.left+Text.x(screen_line, State.cursor1.pos-pos+1), y, Cursor_color, fg)
end
end
end
-- render fragment
App.color(Text_color)
App.screen.print(screen_line, State.left,y)
y = y + State.line_height
if y >= App.screen.height then
break