highlight selection while dragging

[?]

Jun 3, 2022, 8:22 PM

5FW7YOFTLKHRND6IOR4HG4X3C5BO2WV5KTEUW3PPKCRU5L5GXKXQC

Dependencies

[2] TKFSYQ2Z up arrow to search previous
[3] 2ENZW7TV select text using mouse drag
[4] YPHKZVWM extract a new variable
[5] BULPIBEG beginnings of a module for the text editor
[6] GE56XURA bugfix: cursor past end of screen line
[7] 2INHXC3K position cursor by clicking on text
[8] HIH47LNB drop unused arg
[9] 4NDYV4WD fix 2 bugs in line selection
[10] PHQPLJUQ rename
[11] DHI6IJCN selecting text and deleting selections
[12] UWNHC4AA redo y computations
[13] DHCLUDCW .
[14] NZ7V4BVS note card
[15] Z4XRNDTR find text
[16] HDC3AAQP silly reason my screenshots had an ugly black line down the left
[17] HYEAFRZ2 split mouse_pressed events between Text and Drawing
[18] 2C7CTIQY make space for multiple kinds of width
[19] 2RXZ3PGO beginning of a new approach to scroll+wrap
[20] OTIBCAUJ love2d scaffold
[21] IRV65LZP fold variables for screen dimensions into the app framework
[22] AVQ5MC5D finish uppercasing all globals
[23] DXT4QTAH a few more integer coordinates
[24] HJ3PM2VT .
[25] H2DPLWMV snapshot: wrapping long lines at word boundaries
[26] 7IKRRESB longer names for indices in long loops
[27] BYG5CEMV support for naming points
[28] DLQMM265 scroll past first page
[29] 5L7K4GBD clicking to the right of a wrapped line
[30] XX7G2FFJ intermingle freehand line drawings with text
[31] OYXDYPGS get rid of debug variables
[32] VJ3ODCHR assert for a bug I saw a while ago but can no longer reproduce
[33] HOSPP2AN crisp font rendering
[34] EDY3RQUL gracefully handle a non-existent filename at the commandline
[35] ULKLJBN6 couple of renames
[36] VJ77YABH more efficient undo/redo
[37] QU7NHFOV show cursor
[38] BOFNXP5G clicking now moves the cursor even on long, wrapped lines
[*] OIB2QPRC start remembering where the cursor is drawn in px
[*] AVTNUQYR basic test-enabled framework

Change contents

replacement in text.lua at line 216

[2.1240]→[4.1068:1224](∅→∅),[4.1068]→[4.1068:1224](∅→∅)

-- Return any intersection of the region from Selection1 to Cursor1 with the
-- region between {line=line_index, pos=apos} and {line=line_index, pos=bpos}.

[2.1240]

[4.1224]

-- Return any intersection of the region from Selection1 to Cursor1 (or
-- current mouse, if mouse is pressed; or recent mouse if mouse is pressed and
-- currently over a drawing) with the region between {line=line_index, pos=apos}
-- and {line=line_index, pos=bpos}.
replacement in text.lua at line 226

[4.1556]→[4.1556:1601](∅→∅)

local maxl,maxp = Cursor1.line,Cursor1.pos

[4.1556]

[4.1601]

local maxl,maxp
if love.mouse.isDown('1') then
maxl,maxp = Text.mouse_pos()
else
maxl,maxp = Cursor1.line,Cursor1.pos
end
edit in text.lua at line 261

[4.2613]

[4.2613]

end
end

-- inefficient for some reason, so don't do it on every frame
function Text.mouse_pos()
local time = love.timer.getTime()
if Recent_mouse.time and Recent_mouse.time > time-0.1 then
return Recent_mouse.line, Recent_mouse.pos
end
Recent_mouse.time = time
local line,pos = Text.to_pos(love.mouse.getX(), love.mouse.getY())
if line then
Recent_mouse.line = line
Recent_mouse.pos = pos
edit in text.lua at line 276

[4.2619]

[4.2619]

return Recent_mouse.line, Recent_mouse.pos
edit in text.lua at line 279

[4.2624]

[4.2624]

function Text.to_pos(x,y)
for line_index,line in ipairs(Lines) do
if line.mode == 'text' then
if Text.in_line(line, x,y) then
return line_index, Text.to_pos_on_line(line, x,y)
end
end
end
end
replacement in text.lua at line 1864

[4.100]→[4.65:84](∅→∅),[4.84]→[4.419:471](∅→∅),[4.100]→[4.419:471](∅→∅),[4.471]→[4.7425:7453](∅→∅)

-- mx,my in pixels
function Text.move_cursor(line_index, line, mx, my)
Cursor1.line = line_index

[4.100]

[4.472]

-- convert mx,my in pixels to schema-1 coordinates
function Text.to_pos_on_line(line, mx, my)
replacement in text.lua at line 1867

[4.519]→[4.7454:7511](∅→∅),[4.7511]→[4.611:622](∅→∅),[4.611]→[4.611:622](∅→∅)

Cursor1.pos = Text.nearest_cursor_pos(line.data, mx)
return

[4.519]

[4.622]

return Text.nearest_cursor_pos(line.data, mx)
replacement in text.lua at line 1880

[4.437]→[4.7512:7585](∅→∅),[4.73]→[4.513:528](∅→∅),[4.7585]→[4.513:528](∅→∅),[4.513]→[4.513:528](∅→∅)

Cursor1.pos = line.screen_line_starting_pos[screen_line_index+1]
return

[4.437]

[4.528]

return line.screen_line_starting_pos[screen_line_index+1]
replacement in text.lua at line 1883

[4.1185]→[4.7586:7668](∅→∅),[4.7668]→[4.1266:1279](∅→∅),[4.1266]→[4.1266:1279](∅→∅)

Cursor1.pos = screen_line_starting_pos + Text.nearest_cursor_pos(s, mx) - 1
return

[4.1185]

[4.1279]

return screen_line_starting_pos + Text.nearest_cursor_pos(s, mx) - 1
edit in main.lua at line 58

[4.10940]

[40.54]

Recent_mouse = {} -- when selecting text, avoid recomputing some state on every single frame
edit in main.lua at line 142

[4.336]→[4.480:545](∅→∅)

for line_index,line in ipairs(Lines) do
line.y = nil
end
replacement in main.lua at line 199

[4.11240]→[4.1788:1837](∅→∅),[4.492]→[4.1788:1837](∅→∅)

Text.move_cursor(line_index, line, x, y)

[4.492]

[3.234]

Cursor1.line = line_index
Cursor1.pos = Text.to_pos_on_line(line, x, y)
replacement in main.lua at line 219

[3.490]→[3.490:541](∅→∅)

Text.move_cursor(line_index, line, x, y)

[3.490]

[3.541]

Cursor1.line = line_index
Cursor1.pos = Text.to_pos_on_line(line, x, y)
edit in main.lua at line 231

[41.1512]

[4.2944]

for _,line in ipairs(Lines) do line.y = nil end -- just in case we scroll
edit in main.lua at line 247

[41.1550]

[4.3090]

for _,line in ipairs(Lines) do line.y = nil end -- just in case we scroll