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249 Commits

Author SHA1 Message Date
Kartik K. Agaram 06e6ecdf8f bugfix: restore state after C-f (find) 2022-06-03 13:59:40 -07:00
Kartik K. Agaram b69801bdf1 highlight selection while dragging 
Mouse stuff is pretty strenuous. For the first time I have to be careful
not to recompute too often. And I ran into a race condition for the
first time where resetting line.y within App.draw meant mouse clicks
were extremely unlikely to see line.y set.
 2022-06-03 13:22:03 -07:00
Kartik K. Agaram 73cc12047e select text using mouse drag 
Doesn't yet highlight while dragging.
 2022-06-03 08:11:18 -07:00
Kartik K. Agaram 9efeae1f82 rename 2022-06-03 08:01:21 -07:00
Kartik K. Agaram 7301f3964c up arrow to search previous 2022-06-03 07:48:41 -07:00
Kartik K. Agaram 8047ab9b89 switch copy/paste to ctrl- hotkeys 2022-06-02 23:52:26 -07:00
Kartik K. Agaram dcdcd07902 switch undo/redo to ctrl- hotkeys 2022-06-02 23:48:35 -07:00
Kartik K. Agaram 1fc4214029 default font size and line-height 2022-06-02 23:44:34 -07:00
Kartik K. Agaram 0b63721bb0 extract a new variable 2022-06-02 23:40:20 -07:00
Kartik K. Agaram 9bbfc2be13 crisp font rendering 2022-06-02 23:36:07 -07:00
Kartik K. Agaram b94b007db5 find text 2022-06-02 22:53:34 -07:00
Kartik K. Agaram 9121a263a6 . 2022-06-02 19:08:06 -07:00
Kartik K. Agaram 22817492a3 rename 2022-06-02 16:44:18 -07:00
Kartik K. Agaram b4e76eac4e bugfix: undo drawing creation 
Also clean up drawing state to make sure we don't get into hard-to-debug
situations.
 2022-06-02 15:51:44 -07:00
Kartik K. Agaram 670886240f after much struggle, a brute-force undo 
Incredibly inefficient, but I don't yet know how to efficiently encode
undo mutations that can span multiple lines.

There seems to be one bug related to creating new drawings; they're not
spawning events and undoing past drawing creation has some weird
artifacts. Redo seems to consistently work, though.
 2022-06-02 15:45:25 -07:00
Kartik K. Agaram 5b95e51c36 . 2022-05-29 16:34:36 -07:00
Kartik K. Agaram 23e9be3e10 selecting text and deleting selections 
I've written a few tests for delete_selection, but the way different
operations initialize the selection seems fairly standard and not worth
testing so far.
 2022-05-29 08:12:47 -07:00
Kartik K. Agaram 2b69b71c7a update some documentation 2022-05-29 07:56:55 -07:00
Kartik K. Agaram 86532eef4b move some code 
I had this idea originally to keep text.lua oblivious to drawings.
But that hasn't been true for some time. Losing battle.
 2022-05-28 22:45:08 -07:00
Kartik K. Agaram 229e1514f2 . 2022-05-27 23:35:01 -07:00
Kartik K. Agaram 815c4f010a assert for a bug I saw a while ago but can no longer reproduce 
I saw screen_top not at start of screen line, but at cursor location in
middle of line.
 2022-05-25 15:00:13 -07:00
Kartik K. Agaram 442133fe7f no, make sure to compute line width after screen dimensions 2022-05-25 13:35:32 -07:00
Kartik K. Agaram fa103ca2e8 couple more tests 
Along with the App helpers needed for them.
 2022-05-25 12:59:12 -07:00
Kartik K. Agaram e581a2b7d1 get rid of debug variables 2022-05-23 23:00:07 -07:00
Kartik K. Agaram 8d5ac5da75 keep one screen line of overlap on pagedown 
I'm now extracting the concern of computing
line.screen_line_starting_pos out of Text.draw. Earlier
I had to make sure I ran through the whole line to compute
screen_line_starting_pos, but that had the side-effect of updating
Screen_bottom1.pos as well with lines that had never been rendered.

In this process I hit my first bug due to an accidental global. It
doesn't show up in the patch because I accidentally deleted a local
declaration. (I thought I didn't need screen_line_starting_pos anymore,
deleted everywhere, then brought it back everywhere from the bottom of
the function up, but forgot to put back the very first occurrence.)

The amount of yoyoing this caused between App.draw and Text.draw, I very
much have spaghetti on my hands.

Accidental globals are _terrible_ in a program with tests. Cross test
contamination X-(
 2022-05-23 22:51:52 -07:00
Kartik K. Agaram b3251b23b5 a few tests for pageup, and a bugfix 
It wasn't screen-line aware. Now it is.
 2022-05-23 20:57:56 -07:00
Kartik K. Agaram 6b10c94dd5 disable all debug prints 2022-05-23 15:38:42 -07:00
Kartik K. Agaram 254ae7ad99 . 2022-05-23 13:18:34 -07:00
Kartik K. Agaram e0b2c2dede couple of tests for cursor down 2022-05-23 10:56:39 -07:00
Kartik K. Agaram 4f6a324975 bugfix: don't rely on Screen_bottom1 while scrolling 
Setting up the test just right to test the thing I want to test was a
rube goldberg machine of constants.
 2022-05-23 08:52:13 -07:00
Kartik K. Agaram 37f1313b16 first successful pagedown test, first bug found by test 
I also really need to rethink how people debug my programs. My approach
of inserting and deleting print() takes a lot of commitment. I need my
old trace-based whitebox testing idea. However, in my past projects I
never did figure out a good framework for tweaking how verbose a trace
to emit.

Perhaps that's too many knobs. Perhaps we just need a way to run a
single test with the most verbose trace possible. Then it's just a
matter of having the trace tell a coherent story? But even if the trace
stays out of program output in that situation, it's still in the
programmer's face in the _code_. Ugh.

Current plan: ship program with maximum tests and zero commented-out
prints. If you want to debug, insert prints. This is better than
previous, text-mode, projects just by virtue of the stdout channel being
dedicated to debug stuff.
 2022-05-23 08:17:40 -07:00
Kartik K. Agaram 8aa72be226 fold variables for screen dimensions into the app framework 2022-05-22 18:45:21 -07:00
Kartik K. Agaram f421e1daa5 basic test-enabled framework 
Tests still have a lot of side-effects on the real screen. We'll
gradually clean those up.
 2022-05-22 18:29:52 -07:00
Kartik K. Agaram 555726a87d rename 2022-05-22 18:23:04 -07:00
Kartik K. Agaram ac74592c42 beginnings of a test harness 
I have no fucking idea what I'm doing. All I know is that there's still
too many goddamn bugs[1]. Test motherfucking harness or bust. For
starters this is just the default love.run from
https://love2d.org/wiki/love.run

[1] The following file crashes if you repeatedly press cursor-down:
  <<
    a
    b

    c
    ```lines
    ```

    x
  >>
 2022-05-22 10:40:34 -07:00
Kartik K. Agaram 84898ed43a bugfix: printing the first part of a line at the bottom made it seem non-wrapping 
Still lots wrong here.
 2022-05-21 22:32:43 -07:00
Kartik K. Agaram 1e63bf0e0a I feel confident now that page-down is working. 2022-05-21 20:52:44 -07:00
Kartik K. Agaram c0df6f86a4 beginning of a new approach to scroll+wrap 
So far I've just changed how existing variables are organized, and put
some scaffolding in place for dealing with the new types. Next up:
rewriting the code for scrolling to something that feels more obviously
correct.
 2022-05-21 16:42:22 -07:00
Kartik K. Agaram 9a18b09de3 bugfix: escape key to hide online help 2022-05-21 14:22:34 -07:00
Kartik K. Agaram bb9e23a638 support for naming points 
There's still an absence of affordance showing when you're in naming mode.
 2022-05-21 14:03:06 -07:00
Kartik K. Agaram e420245ee3 keep cursor on screen when pressing 'down' 2022-05-20 22:18:39 -07:00
Kartik K. Agaram a3f72abbde reduce ambitions a bit: page up/down need not start screen from the middle of a line 
But we still have work to do for cursor up/down.
 2022-05-20 21:30:59 -07:00
Kartik K. Agaram 5d139f4327 ensure Filename is writable when opened outside a terminal 
Thanks Jimmy Miller for reporting this.
 2022-05-20 20:11:00 -07:00
Kartik K. Agaram c28f6ba031 snapshot - no, that's all wrong 
I've been only thinking about up arrow when cursor is at top of screen.
Hopefully this is better.
 2022-05-20 16:56:04 -07:00
Kartik K. Agaram 3ec8019cc0 new globals: draw partial screen line up top 
I'm not setting these yet. Rendering seems to be working after manually
setting them.
 2022-05-20 06:58:17 -07:00
Kartik K. Agaram 1573dd8425 start using some globals 2022-05-20 06:10:04 -07:00
Kartik K. Agaram 05ac4a5057 move 2022-05-20 06:00:20 -07:00
Kartik K. Agaram 7fd3c92efe start remembering where the cursor is drawn in px 
We'll start using this in cursor up/down motions.
 2022-05-20 05:41:25 -07:00
Kartik K. Agaram 5f2ef2faaf extract a function 2022-05-20 05:40:42 -07:00
Kartik K. Agaram e2b371ea37 bugfix: text past cursor was rendered red on wrapped lines 2022-05-19 22:41:03 -07:00
Kartik K. Agaram 7749e459a7 change text cursor shape 2022-05-19 22:34:28 -07:00
Kartik K. Agaram d4daac442b clicking now moves the cursor even on long, wrapped lines 2022-05-19 22:07:12 -07:00
Kartik K. Agaram 6e89f6c63f make text and drawings the same width 2022-05-19 22:02:18 -07:00
Kartik K. Agaram c9e69530a0 comment 2022-05-19 21:59:56 -07:00
Kartik K. Agaram f7ff4dc9c2 eliminate assumptions that line length == size in bytes 2022-05-19 17:46:02 -07:00
Kartik K. Agaram a9398e499b snapshot: wrapping long lines at word boundaries 
Still not working:
  clicking on text to move the cursor aborts
  up/down motions still move by logical lines rather than screen lines
 2022-05-19 17:29:14 -07:00
Kartik K. Agaram 21f166689a a few more integer coordinates 2022-05-19 16:35:52 -07:00
Kartik K. Agaram 58169561b7 this is a bit clearer 2022-05-19 08:23:25 -07:00
Kartik K. Agaram 6a5864e382 redo y computations 2022-05-19 05:52:16 -07:00
Kartik K. Agaram f144bdfc20 simpler 2022-05-19 05:50:33 -07:00
Kartik K. Agaram 35d14c8aff delete another arg that can be deduced 2022-05-19 05:44:57 -07:00
Kartik K. Agaram d482694a2a delete unused arg 2022-05-19 05:41:12 -07:00
Kartik K. Agaram 18bb4624b3 ensure integer coordinates 
https://love2d.org/wiki/Text says text can appear blurry otherwise.
I can't tell yet, though.
 2022-05-19 04:28:08 -07:00
Kartik K. Agaram ec410d5223 bugfix: ensure Cursor_line is always on a text line 
Manual test used here:

  abc
  ```lines
  {"p1":{"y":72,"x":82},"mode":"line","p2":{"y":29,"x":169}}
  ```
  def
  ```lines
  {"p1":{"y":36,"x":56},"mode":"line","p2":{"y":59,"x":163}}
  ```
  ```lines
  ```
  ghi
  jkl

Hitting page-down moves the cursor from abc to ghi. The 'ghi' line
should be fully visible on screen.
 2022-05-18 18:19:27 -07:00
Kartik K. Agaram b586c7332e bugfix: position cursor up top when loading file 2022-05-18 18:18:34 -07:00
Kartik K. Agaram f91e520124 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.
 2022-05-18 17:42:08 -07:00
Kartik K. Agaram dc618a419c highlight another global 2022-05-17 23:24:46 -07:00
Kartik K. Agaram b544e8c357 forgot to move this special case out 2022-05-17 23:23:26 -07:00
Kartik K. Agaram 6e152a9f3f . 2022-05-17 23:18:56 -07:00
Kartik K. Agaram c1ba40ac70 delegate update events to drawings 2022-05-17 23:16:08 -07:00
Kartik K. Agaram 10bc32e2f0 DRY some code 2022-05-17 23:10:58 -07:00
Kartik K. Agaram 4818672c11 move mouse_released events to Drawing 2022-05-17 22:55:45 -07:00
Kartik K. Agaram 92bd6839c7 split mouse_pressed events between Text and Drawing 2022-05-17 22:53:09 -07:00
Kartik K. Agaram 222a11a8dd split keyboard handling between Text and Drawing 2022-05-17 22:43:41 -07:00
Kartik K. Agaram 82742330f8 autosave in a couple more places 2022-05-17 22:26:15 -07:00
Kartik K. Agaram 23176de0e0 assume we always have a filename 2022-05-17 22:24:41 -07:00
Kartik K. Agaram 2241f33a8f . 2022-05-17 22:23:15 -07:00
Kartik K. Agaram dcfa2d04ca bugfix: duplicate character on enter 2022-05-17 22:22:45 -07:00
Kartik K. Agaram 9a42128eb4 jump between lines on left/right 
Also skip past drawings.
 2022-05-17 22:12:08 -07:00
Kartik K. Agaram 6c031fc1d0 split lines on enter 2022-05-17 22:05:46 -07:00
Kartik K. Agaram a787ef1716 rename 2022-05-17 22:05:21 -07:00
Kartik K. Agaram 61845c335b . 2022-05-17 22:05:00 -07:00
Kartik K. Agaram 319617141b join lines on delete 2022-05-17 21:59:48 -07:00
Kartik K. Agaram e1bc81408f move 2022-05-17 21:55:19 -07:00
Kartik K. Agaram 8d2f81948a enable pressing and holding backspace 2022-05-17 21:37:39 -07:00
Kartik K. Agaram de495ae0f1 several more modules 
This is probably not ideal; let's see how it goes..
 2022-05-17 21:34:55 -07:00
Kartik K. Agaram 91ce333ae0 bugfix typo 2022-05-17 20:52:00 -07:00
Kartik K. Agaram 476bbcdadf beginnings of a module for the text editor 2022-05-17 20:29:08 -07:00
Kartik K. Agaram 40b1780bca longer names for indices in long loops 2022-05-17 19:48:12 -07:00
Kartik K. Agaram 2aa8c67a22 extract a module 
I want to use `drawing` for locals, so I'll use uppercase the module
name just like globals.
 2022-05-17 19:41:42 -07:00
Kartik K. Agaram 9ade4d2782 finish uppercasing all globals 2022-05-17 19:38:33 -07:00
Kartik K. Agaram 45eee7ad49 start uppercasing globals 
We're starting to have a few. Text editing is surprisingly more complex than drawing.
 2022-05-17 19:27:54 -07:00
Kartik K. Agaram cfdd563499 let's prevent the text cursor from ever getting on a drawing 2022-05-17 19:18:23 -07:00
Kartik K. Agaram 359056eb7e bugfix typo 2022-05-17 18:58:42 -07:00
Kartik K. Agaram 12681b6307 start imposing some organization 2022-05-17 18:57:47 -07:00
Kartik K. Agaram 76efb63671 much better help color and copy 2022-05-17 18:55:26 -07:00
Kartik K. Agaram 0999ae9929 bit more polish to help screen 
Still looks like ass.
 2022-05-17 08:18:55 -07:00
Kartik K. Agaram 0b252a4ab7 reset zoom 2022-05-17 08:12:09 -07:00
Kartik K. Agaram 8446ec0fbb respect zoom when drawing drawings 2022-05-16 23:06:44 -07:00
Kartik K. Agaram 2194b388f8 respect zoom when printing online help 2022-05-16 23:04:39 -07:00