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end
function love.textinput(t)
if love.mouse.isDown('1') then return end
if Lines[Cursor_line].mode == 'drawing' then return end
local byte_offset
if Cursor_pos > 1 then
byte_offset = utf8.offset(Lines[Cursor_line].data, Cursor_pos-1)
else
byte_offset = 0
end
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_offset)..t..string.sub(Lines[Cursor_line].data, byte_offset+1)
Cursor_pos = Cursor_pos+1
save_to_disk(Lines, Filename)
end
-- Don't handle any keys here that would trigger love.textinput above.
function Text.keychord_pressed(chord)
if chord == 'return' then
local byte_offset = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
table.insert(Lines, Cursor_line+1, {mode='text', data=string.sub(Lines[Cursor_line].data, byte_offset)})
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_offset-1)
Cursor_line = Cursor_line+1
Cursor_pos = 1
save_to_disk(Lines, Filename)
elseif chord == 'left' then
assert(Lines[Cursor_line].mode == 'text')
if Cursor_pos > 1 then
Cursor_pos = Cursor_pos-1
else
local new_cursor_line = Cursor_line
while new_cursor_line > 1 do
new_cursor_line = new_cursor_line-1
if Lines[new_cursor_line].mode == 'text' then
Cursor_line = new_cursor_line
Cursor_pos = #Lines[Cursor_line].data+1
break
end
end
end
elseif chord == 'right' then
assert(Lines[Cursor_line].mode == 'text')
if Cursor_pos <= #Lines[Cursor_line].data then
Cursor_pos = Cursor_pos+1
else
local new_cursor_line = Cursor_line
while new_cursor_line <= #Lines-1 do
new_cursor_line = new_cursor_line+1
if Lines[new_cursor_line].mode == 'text' then
Cursor_line = new_cursor_line
Cursor_pos = 1
break
end
end
end
elseif chord == 'home' then
Cursor_pos = 1
elseif chord == 'end' then
Cursor_pos = #Lines[Cursor_line].data+1
elseif chord == 'backspace' then
if Cursor_pos > 1 then
local byte_start = utf8.offset(Lines[Cursor_line].data, Cursor_pos-1)
local byte_end = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
if byte_start then
if byte_end then
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)..string.sub(Lines[Cursor_line].data, byte_end)
else
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)
end
Cursor_pos = Cursor_pos-1
end
elseif Cursor_line > 1 then
if Lines[Cursor_line-1].mode == 'drawing' then
table.remove(Lines, Cursor_line-1)
else
-- join lines
Cursor_pos = utf8.len(Lines[Cursor_line-1].data)+1
Lines[Cursor_line-1].data = Lines[Cursor_line-1].data..Lines[Cursor_line].data
table.remove(Lines, Cursor_line)
end
Cursor_line = Cursor_line-1
end
save_to_disk(Lines, Filename)
elseif chord == 'delete' then
if Cursor_pos <= #Lines[Cursor_line].data then
local byte_start = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
local byte_end = utf8.offset(Lines[Cursor_line].data, Cursor_pos+1)
if byte_start then
if byte_end then
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)..string.sub(Lines[Cursor_line].data, byte_end)
else
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)
end
-- no change to Cursor_pos
end
elseif Cursor_line < #Lines then
if Lines[Cursor_line+1].mode == 'drawing' then
table.remove(Lines, Cursor_line+1)
else
-- join lines
Lines[Cursor_line].data = Lines[Cursor_line].data..Lines[Cursor_line+1].data
table.remove(Lines, Cursor_line+1)
end
end
save_to_disk(Lines, Filename)
elseif chord == 'up' then
assert(Lines[Cursor_line].mode == 'text')
local new_cursor_line = Cursor_line
while new_cursor_line > 1 do
new_cursor_line = new_cursor_line-1
if Lines[new_cursor_line].mode == 'text' then
local old_x = Text.cursor_x(Lines[new_cursor_line].data, Cursor_pos)
Cursor_line = new_cursor_line
Cursor_pos = Text.nearest_cursor_pos(Lines[Cursor_line].data, old_x, Cursor_pos)
break
end
end
elseif chord == 'down' then
assert(Lines[Cursor_line].mode == 'text')
local new_cursor_line = Cursor_line
while new_cursor_line < #Lines do
new_cursor_line = new_cursor_line+1
if Lines[new_cursor_line].mode == 'text' then
local old_x = Text.cursor_x(Lines[new_cursor_line].data, Cursor_pos)
Cursor_line = new_cursor_line
Cursor_pos = Text.nearest_cursor_pos(Lines[Cursor_line].data, old_x, Cursor_pos)
break
end
end
function love.textinput(t)
if love.mouse.isDown('1') then return end
if Lines[Cursor_line].mode == 'drawing' then return end
local byte_offset
if Cursor_pos > 1 then
byte_offset = utf8.offset(Lines[Cursor_line].data, Cursor_pos-1)
else
byte_offset = 0
end
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_offset)..t..string.sub(Lines[Cursor_line].data, byte_offset+1)
Cursor_pos = Cursor_pos+1
save_to_disk(Lines, Filename)
end
-- Don't handle any keys here that would trigger love.textinput above.
-- shortcuts for text
if chord == 'return' then
local byte_offset = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
table.insert(Lines, Cursor_line+1, {mode='text', data=string.sub(Lines[Cursor_line].data, byte_offset)})
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_offset-1)
Cursor_line = Cursor_line+1
Cursor_pos = 1
save_to_disk(Lines, Filename)
elseif chord == 'left' then
assert(Lines[Cursor_line].mode == 'text')
if Cursor_pos > 1 then
Cursor_pos = Cursor_pos-1
else
local new_cursor_line = Cursor_line
while new_cursor_line > 1 do
new_cursor_line = new_cursor_line-1
if Lines[new_cursor_line].mode == 'text' then
Cursor_line = new_cursor_line
Cursor_pos = #Lines[Cursor_line].data+1
break
end
end
end
elseif chord == 'right' then
assert(Lines[Cursor_line].mode == 'text')
if Cursor_pos <= #Lines[Cursor_line].data then
Cursor_pos = Cursor_pos+1
else
local new_cursor_line = Cursor_line
while new_cursor_line <= #Lines-1 do
new_cursor_line = new_cursor_line+1
if Lines[new_cursor_line].mode == 'text' then
Cursor_line = new_cursor_line
Cursor_pos = 1
break
end
end
end
elseif chord == 'home' then
Cursor_pos = 1
elseif chord == 'end' then
Cursor_pos = #Lines[Cursor_line].data+1
-- transitioning between drawings and text
elseif chord == 'backspace' then
if Cursor_pos > 1 then
local byte_start = utf8.offset(Lines[Cursor_line].data, Cursor_pos-1)
local byte_end = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
if byte_start then
if byte_end then
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)..string.sub(Lines[Cursor_line].data, byte_end)
else
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)
end
Cursor_pos = Cursor_pos-1
end
elseif Cursor_line > 1 then
if Lines[Cursor_line-1].mode == 'drawing' then
table.remove(Lines, Cursor_line-1)
else
-- join lines
Cursor_pos = utf8.len(Lines[Cursor_line-1].data)+1
Lines[Cursor_line-1].data = Lines[Cursor_line-1].data..Lines[Cursor_line].data
table.remove(Lines, Cursor_line)
end
Cursor_line = Cursor_line-1
end
save_to_disk(Lines, Filename)
elseif chord == 'delete' then
if Cursor_pos <= #Lines[Cursor_line].data then
local byte_start = utf8.offset(Lines[Cursor_line].data, Cursor_pos)
local byte_end = utf8.offset(Lines[Cursor_line].data, Cursor_pos+1)
if byte_start then
if byte_end then
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)..string.sub(Lines[Cursor_line].data, byte_end)
else
Lines[Cursor_line].data = string.sub(Lines[Cursor_line].data, 1, byte_start-1)
end
-- no change to Cursor_pos
end
elseif Cursor_line < #Lines then
if Lines[Cursor_line+1].mode == 'drawing' then
table.remove(Lines, Cursor_line+1)
else
-- join lines
Lines[Cursor_line].data = Lines[Cursor_line].data..Lines[Cursor_line+1].data
table.remove(Lines, Cursor_line+1)
end
end
save_to_disk(Lines, Filename)
elseif chord == 'up' then
assert(Lines[Cursor_line].mode == 'text')
local new_cursor_line = Cursor_line
while new_cursor_line > 1 do
new_cursor_line = new_cursor_line-1
if Lines[new_cursor_line].mode == 'text' then
local old_x = Text.cursor_x(Lines[new_cursor_line].data, Cursor_pos)
Cursor_line = new_cursor_line
Cursor_pos = Text.nearest_cursor_pos(Lines[Cursor_line].data, old_x, Cursor_pos)
break
end
end
elseif chord == 'down' then
assert(Lines[Cursor_line].mode == 'text')
local new_cursor_line = Cursor_line
while new_cursor_line < #Lines do
new_cursor_line = new_cursor_line+1
if Lines[new_cursor_line].mode == 'text' then
local old_x = Text.cursor_x(Lines[new_cursor_line].data, Cursor_pos)
Cursor_line = new_cursor_line
Cursor_pos = Text.nearest_cursor_pos(Lines[Cursor_line].data, old_x, Cursor_pos)
break
end
end
elseif chord == 'C-=' then
Drawing_width = Drawing_width/Zoom
Zoom = Zoom+0.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'C--' then
Drawing_width = Drawing_width/Zoom
Zoom = Zoom-0.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'C-0' then
Drawing_width = Drawing_width/Zoom
Zoom = 1.5
Drawing_width = Drawing_width*Zoom
-- shortcuts for drawings
elseif chord == 'escape' and love.mouse.isDown('1') then
local drawing = Drawing.current_drawing()
drawing.pending = {}
elseif chord == 'C-f' and not love.mouse.isDown('1') then
Current_drawing_mode = 'freehand'
elseif chord == 'C-g' and not love.mouse.isDown('1') then
Current_drawing_mode = 'polygon'
elseif love.mouse.isDown('1') and chord == 'g' then
Current_drawing_mode = 'polygon'
local drawing = Drawing.current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.vertices = {Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)}
elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then
if drawing.pending.vertices == nil then
drawing.pending.vertices = {drawing.pending.p1}
end
elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then
drawing.pending.vertices = {drawing.pending.center}
end
drawing.pending.mode = 'polygon'
elseif love.mouse.isDown('1') and chord == 'p' and Current_drawing_mode == 'polygon' then
local drawing = Drawing.current_drawing()
local mx,my = Drawing.coord(love.mouse.getX()-16), Drawing.coord(love.mouse.getY()-drawing.y)
local j = Drawing.insert_point(drawing.points, mx,my)
table.insert(drawing.pending.vertices, j)
elseif chord == 'C-c' and not love.mouse.isDown('1') then
Current_drawing_mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'a' and Current_drawing_mode == 'circle' then
local drawing = Drawing.current_drawing()
drawing.pending.mode = 'arc'
local mx,my = Drawing.coord(love.mouse.getX()-16), Drawing.coord(love.mouse.getY()-drawing.y)
local j = Drawing.insert_point(drawing.points, mx,my)
local center = drawing.points[drawing.pending.center]
drawing.pending.radius = math.dist(center.x,center.y, mx,my)
drawing.pending.start_angle = geom.angle(center.x,center.y, mx,my)
elseif love.mouse.isDown('1') and chord == 'c' then
Current_drawing_mode = 'circle'
local drawing = Drawing.current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.center = Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then
drawing.pending.center = drawing.pending.p1
elseif drawing.pending.mode == 'polygon' then
drawing.pending.center = drawing.pending.vertices[1]
end
drawing.pending.mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'l' then
Current_drawing_mode = 'line'
local drawing = Drawing.current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.p1 = Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then
drawing.pending.p1 = drawing.pending.center
elseif drawing.pending.mode == 'polygon' then
drawing.pending.p1 = drawing.pending.vertices[1]
end
drawing.pending.mode = 'line'
elseif chord == 'C-l' then
Current_drawing_mode = 'line'
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
convert_line(drawing, shape)
end
elseif love.mouse.isDown('1') and chord == 'm' then
Current_drawing_mode = 'manhattan'
local drawing = Drawing.select_drawing_at_mouse()
if drawing.pending.mode == 'freehand' then
drawing.pending.p1 = Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
elseif drawing.pending.mode == 'line' then
-- do nothing
elseif drawing.pending.mode == 'polygon' then
drawing.pending.p1 = drawing.pending.vertices[1]
elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then
drawing.pending.p1 = drawing.pending.center
end
drawing.pending.mode = 'manhattan'
elseif chord == 'C-m' and not love.mouse.isDown('1') then
Current_drawing_mode = 'manhattan'
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
convert_horvert(drawing, shape)
end
elseif chord == 'C-s' and not love.mouse.isDown('1') then
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
smoothen(shape)
end
elseif chord == 'C-v' and not love.mouse.isDown('1') then
local drawing,_,p = Drawing.select_point_at_mouse()
if drawing then
Previous_drawing_mode = Current_drawing_mode
Current_drawing_mode = 'move'
drawing.pending = {mode=Current_drawing_mode, target_point=p}
Lines.current = drawing
end
elseif love.mouse.isDown('1') and chord == 'v' then
local drawing,_,p = Drawing.select_point_at_mouse()
if drawing then
Previous_drawing_mode = Current_drawing_mode
Current_drawing_mode = 'move'
drawing.pending = {mode=Current_drawing_mode, target_point=p}
Lines.current = drawing
end
elseif chord == 'C-d' and not love.mouse.isDown('1') then
local drawing,i,p = Drawing.select_point_at_mouse()
if drawing then
for _,shape in ipairs(drawing.shapes) do
if Drawing.contains_point(shape, i) then
if shape.mode == 'polygon' then
local idx = table.find(shape.vertices, i)
assert(idx)
table.remove(shape.vertices, idx)
if #shape.vertices < 3 then
shape.mode = 'deleted'
end
else
shape.mode = 'deleted'
end
end
end
drawing.points[i].deleted = true
end
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
shape.mode = 'deleted'
end
elseif chord == 'C-h' and not love.mouse.isDown('1') then
local drawing = Drawing.select_drawing_at_mouse()
if drawing then
drawing.show_help = true
end
elseif chord == 'escape' and not love.mouse.isDown('1') then
for _,line in ipairs(Lines) do
if line.mode == 'drawing' then
line.show_help = false
end
end
if love.mouse.isDown('1') or chord:sub(1,2) == 'C-' then
Drawing.keychord_pressed(chord)
else
Text.keychord_pressed(chord)
function Drawing.keychord_pressed(chord)
if chord == 'C-=' then
Drawing_width = Drawing_width/Zoom
Zoom = Zoom+0.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'C--' then
Drawing_width = Drawing_width/Zoom
Zoom = Zoom-0.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'C-0' then
Drawing_width = Drawing_width/Zoom
Zoom = 1.5
Drawing_width = Drawing_width*Zoom
elseif chord == 'escape' and love.mouse.isDown('1') then
local drawing = Drawing.current_drawing()
drawing.pending = {}
elseif chord == 'C-f' and not love.mouse.isDown('1') then
Current_drawing_mode = 'freehand'
elseif chord == 'C-g' and not love.mouse.isDown('1') then
Current_drawing_mode = 'polygon'
elseif love.mouse.isDown('1') and chord == 'g' then
Current_drawing_mode = 'polygon'
local drawing = Drawing.current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.vertices = {Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)}
elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then
if drawing.pending.vertices == nil then
drawing.pending.vertices = {drawing.pending.p1}
end
elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then
drawing.pending.vertices = {drawing.pending.center}
end
drawing.pending.mode = 'polygon'
elseif love.mouse.isDown('1') and chord == 'p' and Current_drawing_mode == 'polygon' then
local drawing = Drawing.current_drawing()
local mx,my = Drawing.coord(love.mouse.getX()-16), Drawing.coord(love.mouse.getY()-drawing.y)
local j = Drawing.insert_point(drawing.points, mx,my)
table.insert(drawing.pending.vertices, j)
elseif chord == 'C-c' and not love.mouse.isDown('1') then
Current_drawing_mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'a' and Current_drawing_mode == 'circle' then
local drawing = Drawing.current_drawing()
drawing.pending.mode = 'arc'
local mx,my = Drawing.coord(love.mouse.getX()-16), Drawing.coord(love.mouse.getY()-drawing.y)
local j = Drawing.insert_point(drawing.points, mx,my)
local center = drawing.points[drawing.pending.center]
drawing.pending.radius = geom.dist(center.x,center.y, mx,my)
drawing.pending.start_angle = geom.angle(center.x,center.y, mx,my)
elseif love.mouse.isDown('1') and chord == 'c' then
Current_drawing_mode = 'circle'
local drawing = Drawing.current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.center = Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then
drawing.pending.center = drawing.pending.p1
elseif drawing.pending.mode == 'polygon' then
drawing.pending.center = drawing.pending.vertices[1]
end
drawing.pending.mode = 'circle'
elseif love.mouse.isDown('1') and chord == 'l' then
Current_drawing_mode = 'line'
local drawing = Drawing.current_drawing()
if drawing.pending.mode == 'freehand' then
drawing.pending.p1 = Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then
drawing.pending.p1 = drawing.pending.center
elseif drawing.pending.mode == 'polygon' then
drawing.pending.p1 = drawing.pending.vertices[1]
end
drawing.pending.mode = 'line'
elseif chord == 'C-l' then
Current_drawing_mode = 'line'
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
convert_line(drawing, shape)
end
elseif love.mouse.isDown('1') and chord == 'm' then
Current_drawing_mode = 'manhattan'
local drawing = Drawing.select_drawing_at_mouse()
if drawing.pending.mode == 'freehand' then
drawing.pending.p1 = Drawing.insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y)
elseif drawing.pending.mode == 'line' then
-- do nothing
elseif drawing.pending.mode == 'polygon' then
drawing.pending.p1 = drawing.pending.vertices[1]
elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then
drawing.pending.p1 = drawing.pending.center
end
drawing.pending.mode = 'manhattan'
elseif chord == 'C-m' and not love.mouse.isDown('1') then
Current_drawing_mode = 'manhattan'
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
convert_horvert(drawing, shape)
end
elseif chord == 'C-s' and not love.mouse.isDown('1') then
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
smoothen(shape)
end
elseif chord == 'C-v' and not love.mouse.isDown('1') then
local drawing,_,p = Drawing.select_point_at_mouse()
if drawing then
Previous_drawing_mode = Current_drawing_mode
Current_drawing_mode = 'move'
drawing.pending = {mode=Current_drawing_mode, target_point=p}
Lines.current = drawing
end
elseif love.mouse.isDown('1') and chord == 'v' then
local drawing,_,p = Drawing.select_point_at_mouse()
if drawing then
Previous_drawing_mode = Current_drawing_mode
Current_drawing_mode = 'move'
drawing.pending = {mode=Current_drawing_mode, target_point=p}
Lines.current = drawing
end
elseif chord == 'C-d' and not love.mouse.isDown('1') then
local drawing,i,p = Drawing.select_point_at_mouse()
if drawing then
for _,shape in ipairs(drawing.shapes) do
if Drawing.contains_point(shape, i) then
if shape.mode == 'polygon' then
local idx = table.find(shape.vertices, i)
assert(idx)
table.remove(shape.vertices, idx)
if #shape.vertices < 3 then
shape.mode = 'deleted'
end
else
shape.mode = 'deleted'
end
end
end
drawing.points[i].deleted = true
end
local drawing,_,shape = Drawing.select_shape_at_mouse()
if drawing then
shape.mode = 'deleted'
end
elseif chord == 'C-h' and not love.mouse.isDown('1') then
local drawing = Drawing.select_drawing_at_mouse()
if drawing then
drawing.show_help = true
end
elseif chord == 'escape' and not love.mouse.isDown('1') then
for _,line in ipairs(Lines) do
if line.mode == 'drawing' then
line.show_help = false
end
end
end
end