Merge lines.love
This commit is contained in:
commit
de66b015bc
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@ -136,7 +136,7 @@ end
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function move_candidate_to_front(s)
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local index = array.find(File_navigation.all_candidates, s)
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assert(index)
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assert(index, 'file missing from manifest')
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table.remove(File_navigation.all_candidates, index)
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table.insert(File_navigation.all_candidates, 1, s)
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end
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28
drawing.lua
28
drawing.lua
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@ -33,7 +33,6 @@ function Drawing.draw(State, line_index, y)
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local my = Drawing.coord(pmy-line_cache.starty, State.width)
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for _,shape in ipairs(line.shapes) do
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assert(shape)
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if geom.on_shape(mx,my, line, shape) then
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App.color(Focus_stroke_color)
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else
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@ -113,8 +112,7 @@ function Drawing.draw_shape(drawing, shape, top, left,right)
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elseif shape.mode == 'deleted' then
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-- ignore
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else
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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end
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@ -207,8 +205,7 @@ function Drawing.draw_pending_shape(drawing, top, left,right)
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elseif shape.mode == 'name' then
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-- nothing pending; changes are immediately committed
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else
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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end
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@ -239,8 +236,7 @@ function Drawing.mouse_press(State, drawing_index, x,y, mouse_button)
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elseif State.current_drawing_mode == 'name' then
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-- nothing
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else
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print(State.current_drawing_mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(State.current_drawing_mode))
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end
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end
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@ -255,7 +251,7 @@ function Drawing.update(State)
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-- just skip this frame
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return
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end
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assert(drawing.mode == 'drawing')
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assert(drawing.mode == 'drawing', 'Drawing.update: line is not a drawing')
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local pmx, pmy = App.mouse_x(), App.mouse_y()
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local mx = Drawing.coord(pmx-State.left, State.width)
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local my = Drawing.coord(pmy-line_cache.starty, State.width)
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@ -342,7 +338,7 @@ function Drawing.mouse_release(State, x,y, mouse_button)
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table.insert(drawing.shapes, drawing.pending)
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end
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elseif drawing.pending.mode == 'rectangle' then
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assert(#drawing.pending.vertices <= 2)
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assert(#drawing.pending.vertices <= 2, 'Drawing.mouse_release: rectangle has too many pending vertices')
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if #drawing.pending.vertices == 2 then
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local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)
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if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then
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@ -357,7 +353,7 @@ function Drawing.mouse_release(State, x,y, mouse_button)
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-- too few points; draw nothing
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end
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elseif drawing.pending.mode == 'square' then
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assert(#drawing.pending.vertices <= 2)
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assert(#drawing.pending.vertices <= 2, 'Drawing.mouse_release: square has too many pending vertices')
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if #drawing.pending.vertices == 2 then
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local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)
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if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then
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@ -386,8 +382,7 @@ function Drawing.mouse_release(State, x,y, mouse_button)
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elseif drawing.pending.mode == 'name' then
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-- drop it
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else
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print(drawing.pending.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(drawing.pending.mode))
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end
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State.lines.current_drawing.pending = {}
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State.lines.current_drawing = nil
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@ -545,7 +540,7 @@ function Drawing.keychord_press(State, chord)
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if Drawing.contains_point(shape, i) then
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if shape.mode == 'polygon' then
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local idx = table.find(shape.vertices, i)
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assert(idx)
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assert(idx, 'point to delete is not in vertices')
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table.remove(shape.vertices, idx)
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if #shape.vertices < 3 then
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shape.mode = 'deleted'
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@ -641,7 +636,6 @@ function Drawing.select_shape_at_mouse(State)
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if Drawing.in_drawing(drawing, line_cache, x,y, State.left,State.right) then
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local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)
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for i,shape in ipairs(drawing.shapes) do
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assert(shape)
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if geom.on_shape(mx,my, drawing, shape) then
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return drawing,line_cache,i,shape
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end
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@ -659,7 +653,6 @@ function Drawing.select_point_at_mouse(State)
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if Drawing.in_drawing(drawing, line_cache, x,y, State.left,State.right) then
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local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)
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for i,point in ipairs(drawing.points) do
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assert(point)
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if Drawing.near(point, mx,my, State.width) then
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return drawing_index,drawing,line_cache,i,point
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end
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@ -696,13 +689,12 @@ function Drawing.contains_point(shape, p)
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elseif shape.mode == 'deleted' then
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-- already done
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else
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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end
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function Drawing.smoothen(shape)
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assert(shape.mode == 'freehand')
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assert(shape.mode == 'freehand', 'can only smoothen freehand shapes')
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for _=1,7 do
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for i=2,#shape.points-1 do
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local a = shape.points[i-1]
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10
edit.lua
10
edit.lua
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@ -100,14 +100,8 @@ end
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-- return y drawn until
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function edit.draw(State)
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App.color(Text_color)
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if #State.lines ~= #State.line_cache then
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print(('line_cache is out of date; %d when it should be %d'):format(#State.line_cache, #State.lines))
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assert(false)
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end
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if not Text.le1(State.screen_top1, State.cursor1) then
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print(State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos)
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assert(false)
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end
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assert(#State.lines == #State.line_cache, ('line_cache is out of date; %d elements when it should be %d'):format(#State.line_cache, #State.lines))
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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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State.cursor_x = nil
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State.cursor_y = nil
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local y = State.top
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3
geom.lua
3
geom.lua
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@ -38,8 +38,7 @@ function geom.on_shape(x,y, drawing, shape)
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return geom.angle_between(center.x,center.y, x,y, shape.start_angle,shape.end_angle)
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elseif shape.mode == 'deleted' then
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else
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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end
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@ -75,7 +75,7 @@ function table.shallowcopy(x)
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end
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function log_browser.draw(State, hide_cursor)
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assert(#State.lines == #State.line_cache)
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assert(#State.lines == #State.line_cache, ('line_cache is out of date; %d elements when it should be %d'):format(#State.line_cache, #State.lines))
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local mouse_line_index = log_browser.line_index(State, App.mouse_x(), App.mouse_y())
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local y = State.top
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for line_index = State.screen_top1.line,#State.lines do
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@ -95,7 +95,7 @@ function log_browser.draw(State, hide_cursor)
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love.graphics.line(xleft,sectiony, xleft+50-2,sectiony)
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love.graphics.print(line.section_name, xleft+50,y)
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love.graphics.line(xleft+50+App.width(line.section_name)+2,sectiony, xright,sectiony)
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else assert(line.section_end)
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else assert(line.section_end, "log line has a section name, but it's neither the start nor end of a section")
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local sectiony = y+State.line_height-Section_border_padding_vertical
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love.graphics.line(xleft,y, xleft,sectiony)
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love.graphics.line(xright,y, xright,sectiony)
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@ -139,7 +139,7 @@ function rfind(s, pat, i, plain)
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local rendpos = rs:find(rpat, ri, plain)
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if rendpos == nil then return nil end
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local endpos = #s - rendpos + 1
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assert (endpos >= #pat)
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assert (endpos >= #pat, ('rfind: endpos %d should be >= #pat %d at this point'):format(endpos, #pat))
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return endpos-#pat+1
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end
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10
select.lua
10
select.lua
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@ -33,13 +33,13 @@ function Text.clip_selection(State, line_index, apos, bpos)
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-- fully contained
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return apos,bpos
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elseif a_ge then
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assert(maxl == line_index)
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assert(maxl == line_index, ('maxl %d not equal to line_index %d'):format(maxl, line_index))
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return apos,maxp
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elseif b_lt then
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assert(minl == line_index)
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assert(minl == line_index, ('minl %d not equal to line_index %d'):format(minl, line_index))
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return minp,bpos
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else
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assert(minl == maxl and minl == line_index)
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assert(minl == maxl and minl == line_index, ('minl %d, maxl %d and line_index %d are not all equal'):format(minl, maxl, line_index))
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return minp,maxp
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end
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end
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@ -125,7 +125,7 @@ function Text.delete_selection_without_undo(State)
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State.lines[minl].data = State.lines[minl].data:sub(1, min_offset-1)..State.lines[minl].data:sub(max_offset)
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return
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end
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assert(minl < maxl)
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assert(minl < maxl, ('minl %d not < maxl %d'):format(minl, maxl))
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local rhs = State.lines[maxl].data:sub(max_offset)
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for i=maxl,minl+1,-1 do
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table.remove(State.lines, i)
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@ -152,7 +152,7 @@ function Text.selection(State)
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if minl == maxl then
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return State.lines[minl].data:sub(min_offset, max_offset-1)
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end
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assert(minl < maxl)
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assert(minl < maxl, ('minl %d not < maxl %d'):format(minl, maxl))
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local result = {State.lines[minl].data:sub(min_offset)}
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for i=minl+1,maxl-1 do
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table.insert(result, State.lines[i].data)
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@ -158,14 +158,8 @@ end
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function edit.draw(State, hide_cursor, show_line_numbers)
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State.button_handlers = {}
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App.color(Text_color)
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if #State.lines ~= #State.line_cache then
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print(('line_cache is out of date; %d when it should be %d'):format(#State.line_cache, #State.lines))
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assert(false)
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end
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if not Text.le1(State.screen_top1, State.cursor1) then
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print(State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos)
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assert(false)
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end
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assert(#State.lines == #State.line_cache, ('line_cache is out of date; %d elements when it should be %d'):format(#State.line_cache, #State.lines))
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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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State.cursor_x = nil
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State.cursor_y = nil
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local y = State.top
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@ -209,8 +203,7 @@ function edit.draw(State, hide_cursor, show_line_numbers)
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Drawing.draw(State, line_index, y)
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y = y + Drawing.pixels(line.h, State.width) + Drawing_padding_bottom
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else
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print(line.mode)
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assert(false)
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assert(false, ('unknown line mode %s'):format(line.mode))
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end
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end
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State.screen_bottom1 = screen_bottom1
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|
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@ -63,7 +63,7 @@ function load_drawing(infile_next_line)
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local drawing = {mode='drawing', h=256/2, points={}, shapes={}, pending={}}
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while true do
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local line = infile_next_line()
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assert(line)
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assert(line, 'drawing in file is incomplete')
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if line == '```' then break end
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local shape = json.decode(line)
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if shape.mode == 'freehand' then
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@ -88,8 +88,7 @@ function load_drawing(infile_next_line)
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elseif shape.mode == 'deleted' then
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-- ignore
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else
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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table.insert(drawing.shapes, shape)
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end
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||||
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@ -123,8 +122,7 @@ function store_drawing(outfile, drawing)
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elseif shape.mode == 'deleted' then
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-- ignore
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||||
else
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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end
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outfile:write('```\n')
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|
@ -162,7 +160,7 @@ function load_drawing_from_array(iter, a, i)
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local line
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while true do
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i, line = iter(a, i)
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assert(i)
|
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assert(i, 'drawing in array is incomplete')
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--? print(i)
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if line == '```' then break end
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local shape = json.decode(line)
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||||
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@ -188,8 +186,7 @@ function load_drawing_from_array(iter, a, i)
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elseif shape.mode == 'deleted' then
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-- ignore
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||||
else
|
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print(shape.mode)
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assert(false)
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assert(false, ('unknown drawing mode %s'):format(shape.mode))
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end
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table.insert(drawing.shapes, shape)
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end
|
||||
|
|
|
@ -33,13 +33,13 @@ function Text.clip_selection(State, line_index, apos, bpos)
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-- fully contained
|
||||
return apos,bpos
|
||||
elseif a_ge then
|
||||
assert(maxl == line_index)
|
||||
assert(maxl == line_index, ('maxl %d not equal to line_index %d'):format(maxl, line_index))
|
||||
return apos,maxp
|
||||
elseif b_lt then
|
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assert(minl == line_index)
|
||||
assert(minl == line_index, ('minl %d not equal to line_index %d'):format(minl, line_index))
|
||||
return minp,bpos
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||||
else
|
||||
assert(minl == maxl and minl == line_index)
|
||||
assert(minl == maxl and minl == line_index, ('minl %d, maxl %d and line_index %d are not all equal'):format(minl, maxl, line_index))
|
||||
return minp,maxp
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||||
end
|
||||
end
|
||||
|
@ -127,7 +127,7 @@ function Text.delete_selection_without_undo(State)
|
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State.lines[minl].data = State.lines[minl].data:sub(1, min_offset-1)..State.lines[minl].data:sub(max_offset)
|
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return
|
||||
end
|
||||
assert(minl < maxl)
|
||||
assert(minl < maxl, ('minl %d not < maxl %d'):format(minl, maxl))
|
||||
local rhs = State.lines[maxl].data:sub(max_offset)
|
||||
for i=maxl,minl+1,-1 do
|
||||
table.remove(State.lines, i)
|
||||
|
@ -154,7 +154,7 @@ function Text.selection(State)
|
|||
if minl == maxl then
|
||||
return State.lines[minl].data:sub(min_offset, max_offset-1)
|
||||
end
|
||||
assert(minl < maxl)
|
||||
assert(minl < maxl, ('minl %d not < maxl %d'):format(minl, maxl))
|
||||
local result = {State.lines[minl].data:sub(min_offset)}
|
||||
for i=minl+1,maxl-1 do
|
||||
if State.lines[i].mode == 'text' then
|
||||
|
|
|
@ -17,7 +17,7 @@ function Text.draw(State, line_index, y, startpos, hide_cursor, show_line_number
|
|||
love.graphics.print(line_index, State.left-Line_number_width*App.width('m')+10,y)
|
||||
end
|
||||
initialize_color()
|
||||
assert(#line_cache.screen_line_starting_pos >= 1)
|
||||
assert(#line_cache.screen_line_starting_pos >= 1, 'line cache missing screen line info')
|
||||
for i=1,#line_cache.screen_line_starting_pos do
|
||||
local pos = line_cache.screen_line_starting_pos[i]
|
||||
if pos < startpos then
|
||||
|
@ -209,7 +209,7 @@ function Text.text_input(State, t)
|
|||
end
|
||||
|
||||
function Text.insert_at_cursor(State, t)
|
||||
assert(State.lines[State.cursor1.line].mode == 'text')
|
||||
assert(State.lines[State.cursor1.line].mode == 'text', 'line is not text')
|
||||
local byte_offset = Text.offset(State.lines[State.cursor1.line].data, State.cursor1.pos)
|
||||
State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_offset-1)..t..string.sub(State.lines[State.cursor1.line].data, byte_offset)
|
||||
Text.clear_screen_line_cache(State, State.cursor1.line)
|
||||
|
@ -286,7 +286,7 @@ function Text.keychord_press(State, chord)
|
|||
Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
|
||||
end
|
||||
Text.clear_screen_line_cache(State, State.cursor1.line)
|
||||
assert(Text.le1(State.screen_top1, State.cursor1))
|
||||
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))
|
||||
schedule_save(State)
|
||||
record_undo_event(State, {before=before, after=snapshot(State, State.cursor1.line)})
|
||||
elseif chord == 'delete' then
|
||||
|
@ -452,7 +452,7 @@ function Text.pagedown(State)
|
|||
end
|
||||
|
||||
function Text.up(State)
|
||||
assert(State.lines[State.cursor1.line].mode == 'text')
|
||||
assert(State.lines[State.cursor1.line].mode == 'text', 'line is not text')
|
||||
--? print('up', State.cursor1.line, State.cursor1.pos, State.screen_top1.line, State.screen_top1.pos)
|
||||
local screen_line_starting_pos, screen_line_index = Text.pos_at_start_of_screen_line(State, State.cursor1)
|
||||
if screen_line_starting_pos == 1 then
|
||||
|
@ -478,7 +478,7 @@ function Text.up(State)
|
|||
end
|
||||
else
|
||||
-- move up one screen line in current line
|
||||
assert(screen_line_index > 1)
|
||||
assert(screen_line_index > 1, 'bumped up against top screen line in line')
|
||||
local new_screen_line_starting_pos = State.line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index-1]
|
||||
local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)
|
||||
local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
|
||||
|
@ -495,9 +495,9 @@ function Text.up(State)
|
|||
end
|
||||
|
||||
function Text.down(State)
|
||||
assert(State.lines[State.cursor1.line].mode == 'text')
|
||||
assert(State.lines[State.cursor1.line].mode == 'text', 'line is not text')
|
||||
--? print('down', State.cursor1.line, State.cursor1.pos, State.screen_top1.line, State.screen_top1.pos, State.screen_bottom1.line, State.screen_bottom1.pos)
|
||||
assert(State.cursor1.pos)
|
||||
assert(State.cursor1.pos, 'cursor has no pos')
|
||||
if Text.cursor_at_final_screen_line(State) then
|
||||
-- line is done, skip to next text line
|
||||
--? print('cursor at final screen line of its line')
|
||||
|
@ -571,7 +571,7 @@ function Text.word_left(State)
|
|||
if State.cursor1.pos == 1 then
|
||||
break
|
||||
end
|
||||
assert(State.cursor1.pos > 1)
|
||||
assert(State.cursor1.pos > 1, 'bumped up against start of line')
|
||||
if Text.match(State.lines[State.cursor1.line].data, State.cursor1.pos-1, '%s') then
|
||||
break
|
||||
end
|
||||
|
@ -605,15 +605,14 @@ end
|
|||
|
||||
function Text.match(s, pos, pat)
|
||||
local start_offset = Text.offset(s, pos)
|
||||
assert(start_offset)
|
||||
local end_offset = Text.offset(s, pos+1)
|
||||
assert(end_offset > start_offset)
|
||||
assert(end_offset > start_offset, ('end_offset %d not > start_offset %d'):format(end_offset, start_offset))
|
||||
local curr = s:sub(start_offset, end_offset-1)
|
||||
return curr:match(pat)
|
||||
end
|
||||
|
||||
function Text.left(State)
|
||||
assert(State.lines[State.cursor1.line].mode == 'text')
|
||||
assert(State.lines[State.cursor1.line].mode == 'text', 'line is not text')
|
||||
if State.cursor1.pos > 1 then
|
||||
State.cursor1.pos = State.cursor1.pos-1
|
||||
else
|
||||
|
@ -646,7 +645,7 @@ function Text.right(State)
|
|||
end
|
||||
|
||||
function Text.right_without_scroll(State)
|
||||
assert(State.lines[State.cursor1.line].mode == 'text')
|
||||
assert(State.lines[State.cursor1.line].mode == 'text', 'line is not text')
|
||||
if State.cursor1.pos <= utf8.len(State.lines[State.cursor1.line].data) then
|
||||
State.cursor1.pos = State.cursor1.pos+1
|
||||
else
|
||||
|
@ -671,7 +670,7 @@ function Text.pos_at_start_of_screen_line(State, loc1)
|
|||
return spos,i
|
||||
end
|
||||
end
|
||||
assert(false)
|
||||
assert(false, ('invalid pos %d'):format(loc1.pos))
|
||||
end
|
||||
|
||||
function Text.pos_at_end_of_screen_line(State, loc1)
|
||||
|
@ -685,7 +684,7 @@ function Text.pos_at_end_of_screen_line(State, loc1)
|
|||
end
|
||||
most_recent_final_pos = spos-1
|
||||
end
|
||||
assert(false)
|
||||
assert(false, ('invalid pos %d'):format(loc1.pos))
|
||||
end
|
||||
|
||||
function Text.cursor_at_final_screen_line(State)
|
||||
|
@ -710,7 +709,7 @@ function Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necess
|
|||
end
|
||||
-- hack: insert a text line at bottom of file if necessary
|
||||
if State.cursor1.line > #State.lines then
|
||||
assert(State.cursor1.line == #State.lines+1)
|
||||
assert(State.cursor1.line == #State.lines+1, 'tried to ensure bottom line of file is text, but failed')
|
||||
table.insert(State.lines, {mode='text', data=''})
|
||||
table.insert(State.line_cache, {})
|
||||
end
|
||||
|
@ -742,8 +741,8 @@ function Text.snap_cursor_to_bottom_of_screen(State)
|
|||
end
|
||||
y = y - h
|
||||
else
|
||||
assert(top2.line > 1)
|
||||
assert(State.lines[top2.line-1].mode == 'drawing')
|
||||
assert(top2.line > 1, 'tried to snap cursor to buttom of screen but failed')
|
||||
assert(State.lines[top2.line-1].mode == 'drawing', "expected a drawing but it's not")
|
||||
-- We currently can't draw partial drawings, so either skip it entirely
|
||||
-- or not at all.
|
||||
local h = Drawing_padding_height + Drawing.pixels(State.lines[top2.line-1].h, State.width)
|
||||
|
@ -775,7 +774,7 @@ end
|
|||
function Text.to_pos_on_line(State, line_index, mx, my)
|
||||
local line = State.lines[line_index]
|
||||
local line_cache = State.line_cache[line_index]
|
||||
assert(my >= line_cache.starty)
|
||||
assert(my >= line_cache.starty, 'failed to map y pixel to line')
|
||||
-- duplicate some logic from Text.draw
|
||||
local y = line_cache.starty
|
||||
local start_screen_line_index = Text.screen_line_index(line_cache.screen_line_starting_pos, line_cache.startpos)
|
||||
|
@ -798,7 +797,7 @@ function Text.to_pos_on_line(State, line_index, mx, my)
|
|||
end
|
||||
y = nexty
|
||||
end
|
||||
assert(false)
|
||||
assert(false, 'failed to map y pixel to line')
|
||||
end
|
||||
|
||||
function Text.screen_line_width(State, line_index, i)
|
||||
|
@ -864,7 +863,7 @@ function Text.nearest_cursor_pos(line, x, left)
|
|||
leftpos = curr
|
||||
end
|
||||
end
|
||||
assert(false)
|
||||
assert(false, 'failed to map x pixel to pos')
|
||||
end
|
||||
|
||||
-- return the nearest index of line (in utf8 code points) which lies entirely
|
||||
|
@ -895,7 +894,7 @@ function Text.nearest_pos_less_than(line, x)
|
|||
left = curr
|
||||
end
|
||||
end
|
||||
assert(false)
|
||||
assert(false, 'failed to map x pixel to pos')
|
||||
end
|
||||
|
||||
function Text.x_after(s, pos)
|
||||
|
@ -926,7 +925,7 @@ function Text.to2(State, loc1)
|
|||
break
|
||||
end
|
||||
end
|
||||
assert(result.screen_pos)
|
||||
assert(result.screen_pos, 'failed to convert schema-1 coordinate to schema-2')
|
||||
return result
|
||||
end
|
||||
|
||||
|
@ -968,7 +967,7 @@ function Text.offset(s, pos1)
|
|||
if result == nil then
|
||||
print(pos1, #s, s)
|
||||
end
|
||||
assert(result)
|
||||
assert(result, "Text.offset returned nil; this is likely a failure to handle utf8")
|
||||
return result
|
||||
end
|
||||
|
||||
|
|
|
@ -36,11 +36,11 @@ end
|
|||
-- Make copies of objects; the rest of the app may mutate them in place, but undo requires immutable histories.
|
||||
function snapshot(State, s,e)
|
||||
-- Snapshot everything by default, but subset if requested.
|
||||
assert(s)
|
||||
assert(s, 'failed to snapshot operation for undo history')
|
||||
if e == nil then
|
||||
e = s
|
||||
end
|
||||
assert(#State.lines > 0)
|
||||
assert(#State.lines > 0, 'failed to snapshot operation for undo history')
|
||||
if s < 1 then s = 1 end
|
||||
if s > #State.lines then s = #State.lines end
|
||||
if e < 1 then e = 1 end
|
||||
|
@ -65,8 +65,7 @@ function snapshot(State, s,e)
|
|||
elseif line.mode == 'drawing' then
|
||||
table.insert(event.lines, {mode='drawing', h=line.h, points=deepcopy(line.points), shapes=deepcopy(line.shapes), pending={}})
|
||||
else
|
||||
print(line.mode)
|
||||
assert(false)
|
||||
assert(false, ('unknown line mode %s'):format(line.mode))
|
||||
end
|
||||
end
|
||||
return event
|
||||
|
@ -80,22 +79,22 @@ function patch(lines, from, to)
|
|||
--? lines[from.start_line] = to.lines[1]
|
||||
--? return
|
||||
--? end
|
||||
assert(from.start_line == to.start_line)
|
||||
assert(from.start_line == to.start_line, 'failed to patch undo operation')
|
||||
for i=from.end_line,from.start_line,-1 do
|
||||
table.remove(lines, i)
|
||||
end
|
||||
assert(#to.lines == to.end_line-to.start_line+1)
|
||||
assert(#to.lines == to.end_line-to.start_line+1, 'failed to patch undo operation')
|
||||
for i=1,#to.lines do
|
||||
table.insert(lines, to.start_line+i-1, to.lines[i])
|
||||
end
|
||||
end
|
||||
|
||||
function patch_placeholders(line_cache, from, to)
|
||||
assert(from.start_line == to.start_line)
|
||||
assert(from.start_line == to.start_line, 'failed to patch undo operation')
|
||||
for i=from.end_line,from.start_line,-1 do
|
||||
table.remove(line_cache, i)
|
||||
end
|
||||
assert(#to.lines == to.end_line-to.start_line+1)
|
||||
assert(#to.lines == to.end_line-to.start_line+1, 'failed to patch undo operation')
|
||||
for i=1,#to.lines do
|
||||
table.insert(line_cache, to.start_line+i-1, {})
|
||||
end
|
||||
|
|
29
text.lua
29
text.lua
|
@ -12,7 +12,7 @@ function Text.draw(State, line_index, y, startpos)
|
|||
-- wrap long lines
|
||||
local final_screen_line_starting_pos = startpos -- track value to return
|
||||
Text.populate_screen_line_starting_pos(State, line_index)
|
||||
assert(#line_cache.screen_line_starting_pos >= 1)
|
||||
assert(#line_cache.screen_line_starting_pos >= 1, 'line cache missing screen line info')
|
||||
for i=1,#line_cache.screen_line_starting_pos do
|
||||
local pos = line_cache.screen_line_starting_pos[i]
|
||||
if pos < startpos then
|
||||
|
@ -205,7 +205,7 @@ function Text.keychord_press(State, chord)
|
|||
Text.redraw_all(State) -- if we're scrolling, reclaim all fragments to avoid memory leaks
|
||||
end
|
||||
Text.clear_screen_line_cache(State, State.cursor1.line)
|
||||
assert(Text.le1(State.screen_top1, State.cursor1))
|
||||
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))
|
||||
schedule_save(State)
|
||||
record_undo_event(State, {before=before, after=snapshot(State, State.cursor1.line)})
|
||||
elseif chord == 'delete' then
|
||||
|
@ -398,7 +398,7 @@ function Text.up(State)
|
|||
end
|
||||
else
|
||||
-- move up one screen line in current line
|
||||
assert(screen_line_index > 1)
|
||||
assert(screen_line_index > 1, 'bumped up against top screen line in line')
|
||||
local new_screen_line_starting_pos = State.line_cache[State.cursor1.line].screen_line_starting_pos[screen_line_index-1]
|
||||
local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)
|
||||
local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
|
||||
|
@ -416,7 +416,7 @@ end
|
|||
|
||||
function Text.down(State)
|
||||
--? print('down', State.cursor1.line, State.cursor1.pos, State.screen_top1.line, State.screen_top1.pos, State.screen_bottom1.line, State.screen_bottom1.pos)
|
||||
assert(State.cursor1.pos)
|
||||
assert(State.cursor1.pos, 'cursor has no pos')
|
||||
if Text.cursor_at_final_screen_line(State) then
|
||||
-- line is done, skip to next text line
|
||||
--? print('cursor at final screen line of its line')
|
||||
|
@ -484,7 +484,7 @@ function Text.word_left(State)
|
|||
if State.cursor1.pos == 1 then
|
||||
break
|
||||
end
|
||||
assert(State.cursor1.pos > 1)
|
||||
assert(State.cursor1.pos > 1, 'bumped up against start of line')
|
||||
if Text.match(State.lines[State.cursor1.line].data, State.cursor1.pos-1, '%s') then
|
||||
break
|
||||
end
|
||||
|
@ -518,9 +518,8 @@ end
|
|||
|
||||
function Text.match(s, pos, pat)
|
||||
local start_offset = Text.offset(s, pos)
|
||||
assert(start_offset)
|
||||
local end_offset = Text.offset(s, pos+1)
|
||||
assert(end_offset > start_offset)
|
||||
assert(end_offset > start_offset, ('end_offset %d not > start_offset %d'):format(end_offset, start_offset))
|
||||
local curr = s:sub(start_offset, end_offset-1)
|
||||
return curr:match(pat)
|
||||
end
|
||||
|
@ -567,7 +566,7 @@ function Text.pos_at_start_of_screen_line(State, loc1)
|
|||
return spos,i
|
||||
end
|
||||
end
|
||||
assert(false)
|
||||
assert(false, ('invalid pos %d'):format(loc1.pos))
|
||||
end
|
||||
|
||||
function Text.pos_at_end_of_screen_line(State, loc1)
|
||||
|
@ -581,7 +580,7 @@ function Text.pos_at_end_of_screen_line(State, loc1)
|
|||
end
|
||||
most_recent_final_pos = spos-1
|
||||
end
|
||||
assert(false)
|
||||
assert(false, ('invalid pos %d'):format(loc1.pos))
|
||||
end
|
||||
|
||||
function Text.cursor_at_final_screen_line(State)
|
||||
|
@ -639,7 +638,7 @@ end
|
|||
function Text.to_pos_on_line(State, line_index, mx, my)
|
||||
local line = State.lines[line_index]
|
||||
local line_cache = State.line_cache[line_index]
|
||||
assert(my >= line_cache.starty)
|
||||
assert(my >= line_cache.starty, 'failed to map y pixel to line')
|
||||
-- duplicate some logic from Text.draw
|
||||
local y = line_cache.starty
|
||||
local start_screen_line_index = Text.screen_line_index(line_cache.screen_line_starting_pos, line_cache.startpos)
|
||||
|
@ -662,7 +661,7 @@ function Text.to_pos_on_line(State, line_index, mx, my)
|
|||
end
|
||||
y = nexty
|
||||
end
|
||||
assert(false)
|
||||
assert(false, 'failed to map y pixel to line')
|
||||
end
|
||||
|
||||
function Text.screen_line_width(State, line_index, i)
|
||||
|
@ -728,7 +727,7 @@ function Text.nearest_cursor_pos(line, x, left)
|
|||
leftpos = curr
|
||||
end
|
||||
end
|
||||
assert(false)
|
||||
assert(false, 'failed to map x pixel to pos')
|
||||
end
|
||||
|
||||
-- return the nearest index of line (in utf8 code points) which lies entirely
|
||||
|
@ -759,7 +758,7 @@ function Text.nearest_pos_less_than(line, x)
|
|||
left = curr
|
||||
end
|
||||
end
|
||||
assert(false)
|
||||
assert(false, 'failed to map x pixel to pos')
|
||||
end
|
||||
|
||||
function Text.x_after(s, pos)
|
||||
|
@ -787,7 +786,7 @@ function Text.to2(State, loc1)
|
|||
break
|
||||
end
|
||||
end
|
||||
assert(result.screen_pos)
|
||||
assert(result.screen_pos, 'failed to convert schema-1 coordinate to schema-2')
|
||||
return result
|
||||
end
|
||||
|
||||
|
@ -829,7 +828,7 @@ function Text.offset(s, pos1)
|
|||
if result == nil then
|
||||
print(pos1, #s, s)
|
||||
end
|
||||
assert(result)
|
||||
assert(result, "Text.offset returned nil; this is likely a failure to handle utf8")
|
||||
return result
|
||||
end
|
||||
|
||||
|
|
12
undo.lua
12
undo.lua
|
@ -36,11 +36,11 @@ end
|
|||
-- Make copies of objects; the rest of the app may mutate them in place, but undo requires immutable histories.
|
||||
function snapshot(State, s,e)
|
||||
-- Snapshot everything by default, but subset if requested.
|
||||
assert(s)
|
||||
assert(s, 'failed to snapshot operation for undo history')
|
||||
if e == nil then
|
||||
e = s
|
||||
end
|
||||
assert(#State.lines > 0)
|
||||
assert(#State.lines > 0, 'failed to snapshot operation for undo history')
|
||||
if s < 1 then s = 1 end
|
||||
if s > #State.lines then s = #State.lines end
|
||||
if e < 1 then e = 1 end
|
||||
|
@ -71,22 +71,22 @@ function patch(lines, from, to)
|
|||
--? lines[from.start_line] = to.lines[1]
|
||||
--? return
|
||||
--? end
|
||||
assert(from.start_line == to.start_line)
|
||||
assert(from.start_line == to.start_line, 'failed to patch undo operation')
|
||||
for i=from.end_line,from.start_line,-1 do
|
||||
table.remove(lines, i)
|
||||
end
|
||||
assert(#to.lines == to.end_line-to.start_line+1)
|
||||
assert(#to.lines == to.end_line-to.start_line+1, 'failed to patch undo operation')
|
||||
for i=1,#to.lines do
|
||||
table.insert(lines, to.start_line+i-1, to.lines[i])
|
||||
end
|
||||
end
|
||||
|
||||
function patch_placeholders(line_cache, from, to)
|
||||
assert(from.start_line == to.start_line)
|
||||
assert(from.start_line == to.start_line, 'failed to patch undo operation')
|
||||
for i=from.end_line,from.start_line,-1 do
|
||||
table.remove(line_cache, i)
|
||||
end
|
||||
assert(#to.lines == to.end_line-to.start_line+1)
|
||||
assert(#to.lines == to.end_line-to.start_line+1, 'failed to patch undo operation')
|
||||
for i=1,#to.lines do
|
||||
table.insert(line_cache, to.start_line+i-1, {})
|
||||
end
|
||||
|
|
Loading…
Reference in New Issue