akkartik/lines.love - Change DLQMM2656JHXX3ONOEM6UIOXKFJFT5QT7RHWK7YS2W77PVZWHRSAC

scroll past first page

Still some limitations. The text cursor has to be visible on screen, so if you have a long series of drawings without intervening lines of text you won't be able to scroll through them all.

Created by Kartik K. Agaram on May 18, 2022

DLQMM2656JHXX3ONOEM6UIOXKFJFT5QT7RHWK7YS2W77PVZWHRSAC

Dependencies

In channels

main

Change contents

Insertion in text.lua at line 52 [5.1]

[4.1443]

      end
      if Cursor_line < Screen_top_line then
        Screen_top_line = Cursor_line

Insertion in text.lua at line 71 [5.1]

[4.1916]

      if Cursor_line > Screen_bottom_line then
        Screen_top_line = Cursor_line
      end

Insertion in text.lua at line 137 [5.1]

[4.4433]

    if Cursor_line < Screen_top_line then
      Screen_top_line = Cursor_line
    end

Insertion in text.lua at line 151 [5.1]

[4.4909]

    end
    if Cursor_line > Screen_bottom_line then
      Screen_top_line = Cursor_line

Insertion in text.lua at line 159 [5.1]

[2.39]

  if line.y == nil then return false end  -- outside current page

Insertion in main.lua at line 39 [8.2]
[6.35]
[7.2]
```
Screen_top_line = 1
Screen_bottom_line = 1
```

Insertion in main.lua at line 104 [8.2]

[8.336]

[9.44]

  for line_index,line in ipairs(Lines) do
    line.y = nil
  end

Replacement in main.lua at line 109 [8.2]

∅:D[10.44] → [7.933:951]

B:BD[6.245] → [7.933:951]

∅:D[11.32] → [12.1:16]

∅:D[7.951] → [12.1:16]

B:BD[9.72] → [12.1:16]

∅:D[12.16] → [13.265:317]

B:BD[9.72] → [13.265:317]

∅:D[13.317] → [9.96:155]

B:BD[9.96] → [9.96:155]

B:BD[9.155] → [14.1:37]

∅:D[14.37] → [9.470:500]

B:BD[9.470] → [9.470:500]

B:BD[9.500] → [10.45:219]

∅:D[10.219] → [7.998:1049]

B:BD[7.998] → [7.998:1049]

∅:D[7.1049] → [15.666:691]

B:BD[15.666] → [15.666:691]

∅:D[16.86] → [9.588:613]

∅:D[17.97] → [9.588:613]

∅:D[18.398] → [9.588:613]

∅:D[13.428] → [9.588:613]

∅:D[15.691] → [9.588:613]

B:BD[9.588] → [9.588:613]

B:BD[9.613] → [10.220:262]

∅:D[10.262] → [19.34:200]

∅:D[7.1083] → [19.34:200]

B:BD[19.34] → [19.34:200]

B:BD[19.200] → [13.429:468]

B:BD[13.468] → [20.138:173]

∅:D[20.173] → [21.66:94]

B:BD[18.426] → [21.66:94]

∅:D[21.94] → [9.1240:1249]

∅:D[22.248] → [9.1240:1249]

∅:D[17.500] → [9.1240:1249]

∅:D[23.1396] → [9.1240:1249]

B:BD[9.1240] → [9.1240:1249]

B:BD[9.1249] → [5.1515:1577]

    y = y+15*Zoom
    line.y = y
    if line.mode == 'text' and line.data == '' then
      button('draw', {x=4,y=y+4, w=12,h=12, color={1,1,0},
        icon = icon.insert_drawing,
        onpress1 = function()
                     table.insert(Lines, line_index, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})
                     if Cursor_line >= line_index then
                       Cursor_line = Cursor_line+1
                     end
                   end})
        if line_index == Cursor_line then
          love.graphics.setColor(0,0,0)
          love.graphics.print('_', 25, y+6)  -- drop the cursor down a bit to account for the increased font size
        end
    elseif line.mode == 'drawing' then
      y = y+Drawing.pixels(line.h)
      Drawing.draw(line, y)
    else
      Text.draw(line, line_index, Cursor_line, y, Cursor_pos)

[10.44]

[9.1294]

    if line_index >= Screen_top_line then
      y = y+15*Zoom
      if y > Screen_height then break end
      Screen_bottom_line = line_index
      line.y = y
      if line.mode == 'text' and line.data == '' then
        button('draw', {x=4,y=y+4, w=12,h=12, color={1,1,0},
          icon = icon.insert_drawing,
          onpress1 = function()
                       table.insert(Lines, line_index, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})
                       if Cursor_line >= line_index then
                         Cursor_line = Cursor_line+1
                       end
                     end})
          if line_index == Cursor_line then
            love.graphics.setColor(0,0,0)
            love.graphics.print('_', 25, y+6)  -- drop the cursor down a bit to account for the increased font size
          end
      elseif line.mode == 'drawing' then
        y = y+Drawing.pixels(line.h)
        Drawing.draw(line, y)
      else
        Text.draw(line, line_index, Cursor_line, y, Cursor_pos)
      end

Insertion in main.lua at line 168 [8.2]

[3.155]

    end
  elseif chord == 'pagedown' then
    Screen_top_line = Screen_bottom_line
    Cursor_line = Screen_top_line
    Cursor_pos = 1
  elseif chord == 'pageup' then
    -- duplicate some logic from love.draw
    local y = Screen_height
    while y >= 0 do
      if Screen_top_line == 1 then break end
      if Lines[Screen_top_line].mode == 'text' then
        y = y - 15*Zoom
      else
        y = y - Drawing.pixels(Lines[Screen_top_line].h)
      end
      Screen_top_line = Screen_top_line - 1
    end
    if Cursor_line ~= Screen_top_line then
      Cursor_pos = 1

Insertion in main.lua at line 188 [8.2]
[3.163]
[4.5015]
```
    Cursor_line = Screen_top_line
```

Insertion in drawing.lua at line 180 [21.98]

[2.688]

  if drawing.y == nil then return false end  -- outside current page