Merge text.love
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commit
f5c040dfd3
9
edit.lua
9
edit.lua
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@ -279,7 +279,7 @@ function edit.keychord_press(State, chord, key)
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State.cursor1 = State.search_backup.cursor
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State.screen_top1 = State.search_backup.screen_top
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State.search_backup = nil
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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elseif chord == 'return' then
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State.search_term = nil
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State.search_backup = nil
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@ -324,9 +324,7 @@ function edit.keychord_press(State, chord, key)
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State.cursor1 = deepcopy(src.cursor)
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State.selection1 = deepcopy(src.selection)
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patch(State.lines, event.after, event.before)
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patch_placeholders(State.line_cache, event.after, event.before)
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-- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State)
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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schedule_save(State)
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end
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elseif chord == 'C-y' then
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@ -337,8 +335,7 @@ function edit.keychord_press(State, chord, key)
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State.cursor1 = deepcopy(src.cursor)
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State.selection1 = deepcopy(src.selection)
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patch(State.lines, event.before, event.after)
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-- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State)
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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schedule_save(State)
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end
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-- clipboard
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16
text.lua
16
text.lua
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@ -52,7 +52,7 @@ function Text.draw(State, line_index, y, startpos)
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end
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end
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end
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-- render fragment
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-- render screen line
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App.color(Text_color)
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App.screen.print(screen_line, State.left,y)
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y = y + State.line_height
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@ -213,7 +213,7 @@ function Text.keychord_press(State, chord)
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line=State.cursor1.line,
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pos=Text.pos_at_start_of_screen_line(State, State.cursor1),
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}
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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end
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Text.clear_screen_line_cache(State, State.cursor1.line)
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assert(Text.le1(State.screen_top1, State.cursor1), ('screen_top (line=%d,pos=%d) is below cursor (line=%d,pos=%d)'):format(State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos))
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@ -349,7 +349,7 @@ function Text.pageup(State)
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State.screen_top1 = Text.previous_screen_top1(State)
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State.cursor1 = deepcopy(State.screen_top1)
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Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary(State)
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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end
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-- return the top y coordinate of a given line_index,
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@ -387,7 +387,7 @@ function Text.pagedown(State)
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State.screen_top1 = Text.screen_bottom1(State)
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State.cursor1 = deepcopy(State.screen_top1)
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Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary(State)
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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end
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-- return the location of the start of the bottom-most line on screen
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@ -440,7 +440,7 @@ function Text.up(State)
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line=State.cursor1.line,
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pos=Text.pos_at_start_of_screen_line(State, State.cursor1),
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}
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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end
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end
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@ -569,7 +569,7 @@ function Text.left(State)
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line=State.cursor1.line,
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pos=Text.pos_at_start_of_screen_line(State, State.cursor1),
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}
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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end
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end
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@ -663,7 +663,7 @@ function Text.snap_cursor_to_bottom_of_screen(State)
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State.screen_top1 = Text.to1(State, top2)
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--? print('top1 finally:', State.screen_top1.line, State.screen_top1.pos)
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--? print('snap =>', State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos)
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Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
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Text.redraw_all(State) -- if we're scrolling, reclaim all line caches to avoid memory leaks
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end
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function Text.in_line(State, line_index, x,y)
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@ -945,7 +945,7 @@ function Text.cursor_out_of_screen(State)
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end
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function Text.redraw_all(State)
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--? print('clearing fragments')
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--? print('clearing line caches')
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-- Perform some early sanity checking here, in hopes that we correctly call
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-- this whenever we change editor state.
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if State.right <= State.left then
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15
undo.lua
15
undo.lua
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@ -55,10 +55,8 @@ function snapshot(State, s,e)
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end_line=e,
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-- no filename; undo history is cleared when filename changes
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}
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-- deep copy lines without cached stuff like text fragments
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for i=s,e do
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local line = State.lines[i]
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table.insert(event.lines, {data=line.data}) -- I've forgotten: should we deepcopy(line.data)?
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table.insert(event.lines, deepcopy(State.lines[i]))
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end
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return event
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end
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@ -81,17 +79,6 @@ function patch(lines, from, to)
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end
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end
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function patch_placeholders(line_cache, from, to)
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assert(from.start_line == to.start_line, 'failed to patch undo operation')
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for i=from.end_line,from.start_line,-1 do
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table.remove(line_cache, i)
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end
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assert(#to.lines == to.end_line-to.start_line+1, 'failed to patch undo operation')
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for i=1,#to.lines do
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table.insert(line_cache, to.start_line+i-1, {})
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end
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end
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-- https://stackoverflow.com/questions/640642/how-do-you-copy-a-lua-table-by-value/26367080#26367080
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function deepcopy(obj, seen)
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if type(obj) ~= 'table' then return obj end
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