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* sketching out a slow tutorialKartik K. Agaram2021-10-2015-0/+595
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* .Kartik K. Agaram2021-10-171-1/+0
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* support backspace when reading line from keyboardKartik K. Agaram2021-10-133-1/+38
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* primitive: read line from keyboardKartik K. Agaram2021-10-132-19/+21
| | | | Blocking.
* parse float from textKartik K. Agaram2021-10-121-0/+170
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* .Kartik K. Agaram2021-10-122-72/+72
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* .Kartik Agaram2021-10-1148-3033/+3035
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* .Kartik K. Agaram2021-10-111-1/+3
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* .Kartik K. Agaram2021-10-111-0/+12
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* bugfix: rendering fake screensKartik K. Agaram2021-10-111-1/+1
| | | | | | | | | Not exercised anywhere except in the shell. I ran into it after running: (print screen 34) Introduced in commit d2f96cb0b6c5 on Sep 1. This is the sort of thing I currently don't know how to write tests for :/
* .Kartik K. Agaram2021-10-102-2/+2
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* .Kartik K. Agaram2021-10-102-2/+2
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* .Kartik K. Agaram2021-10-102-2/+2
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* .Kartik K. Agaram2021-10-101-2/+2
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* .Kartik Agaram2021-10-0997-5671/+5841
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* make page-up/page-down smart to hidden itemsKartik K. Agaram2021-10-091-368/+49
| | | | | | | | In the process we eliminate a whole bunch of duplication and give item navigation a single source of truth. Page-up isn't quite _identical_ to how it used to be before. Let's see if it bothers us.
* standardize argument orderKartik K. Agaram2021-10-091-10/+10
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* bugfixKartik K. Agaram2021-10-091-7/+25
| | | | | | | new test: hit enter, go to thread view, hit enter again, go into thread view again. No crash. Just bite the bullet and make item-index robust to single-thread tabs.
* bugfix: skip hidden items when moving cursorKartik K. Agaram2021-10-091-14/+74
| | | | | | | | | | Tests to create when I start creating tests: hide an item. Cursor moves to a new item. hide an item that's not the bottom-most item, hit down arrow. Cursor moves to a new item. hide an item that's not the top-most item, hit up arrow. Cursor moves to a new item. hide top-most item. Cursor on new item. Hit up arrow. No change. Scroll down. New item. hide bottom-most item. Cursor on new item. Hit down arrow. No change. Scroll up. New item. open a thread. Hit down arrow. No crash (item-index not called).
* slack: hide threads from the global viewKartik K. Agaram2021-10-091-1/+153
| | | | | | | | | | | | | | | To hide all comments from the same thread as the item at cursor, press ctrl-h. To later unhide everything, press ctrl-u. Currently ctrl-u works by creating a whole new tab (that you can back out of using Esc). That gives a way to undo it. Still some rough edges: update number of items in view when hiding a thread avoid clipping menu in channel view undo a single hide without giving up previous ones
* slack: start work on hiding single threadsKartik K. Agaram2021-10-091-1/+1
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* .Kartik K. Agaram2021-10-091-2/+2
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* .Kartik K. Agaram2021-10-091-2/+2
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* .Kartik K. Agaram2021-10-032-2/+1
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* .Kartik K. Agaram2021-09-211-4/+7
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* .Kartik K. Agaram2021-09-131-3/+5
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* support arrow keys in apps/ex7.muKartik K. Agaram2021-09-041-4/+4
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* fix apps/ex7.muKartik K. Agaram2021-09-042-2/+8
| | | | I'm increasingly missing CI.
* .Kartik K. Agaram2021-09-031-1/+2
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* a tamil example (that I can't read)Kartik K. Agaram2021-09-031-5/+19
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* audit remaining calls to render-code-pointKartik K. Agaram2021-09-023-8/+63
| | | | By definition that function can't support combining characters.
* support combining characters in streams of textKartik K. Agaram2021-09-024-10/+134
| | | | Fake screens can't handle them yet.
* .Kartik K. Agaram2021-09-021-5/+3
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* .Kartik K. Agaram2021-09-021-11/+12
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* .Kartik K. Agaram2021-09-021-3/+3
| | | | A more common hindi vowel.
* .Kartik K. Agaram2021-09-021-4/+20
| | | | | Inline render-code-point in one of its call-sites before we add support for combining characters.
* .Kartik K. Agaram2021-09-021-1/+1
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* .Kartik K. Agaram2021-09-011-0/+1
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* a few more examples of combining charactersKartik K. Agaram2021-09-011-2/+45
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* .Kartik Agaram2021-09-0116-10431/+14919
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* rendering code-points with combining charactersKartik K. Agaram2021-09-014-24/+95
| | | | | | | There's a new example app showing this ability. Still to go: support for combining characters when rendering text and streams.
* tag combining character code-pointsKartik K. Agaram2021-08-311-727/+727
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately the Unicode database doesn't actually provide obvious metadata for combining characters. The process I followed is as follows. I noticed that GNU Unifont provides the following files for download: - unifont-13.0.06.hex: All Plane 0 glyphs - unifont_sample-13.0.06.hex: The above .hex file with combining circles added Downloading and diffing the two yields all code-points with combining circles. I assume they are exactly the combining characters I care about. One mechanical difficulty is cross-correlating the above files that include the code-point in each line with font.subx which does not. I got things to work by modifying the above files in place until they have the same format as font.subx, using the following Vim commands on each file: :%s|.\{64\}|10/size^M00/is-combine^M&| :%s|^.\{32\}$|08/size^M00/is-combine^M&00000000000000000000000000000000| :%s|..|& |g :%s|10 /s iz e|10/size| :%s|08 /s iz e|08/size| :%s|00 /i s- co mb in e|00/is-combine| Now I can update the metadata with a Vim macro which jumps to the next hunk and increments /is-combine on the previous line.
* start hacky experiment to support combining charsKartik K. Agaram2021-08-315-6/+4384
| | | | | | | | | | | https://en.wikipedia.org/wiki/Combining_character The plan: just draw the combining character in the same space as the previous character. This will almost certainly not work for some Unicode blocks (tibetan?) This commit only changes the data/memory/disk model to make some space. As always in Mu, we avoid bit-mask tricks even if that wastes memory.
* .Kartik K. Agaram2021-08-312-2/+2
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* fix a typo from commit a479f0d0837Kartik K. Agaram2021-08-311-1/+1
| | | | | | | | Yet another gnarly reason to start checking all arg metadata in linux/pack.subx or something like that. With this bug most of my programs (including browser-slack!) were working even though the instruction stream was almost certainly misdecoded halfway through every attempt to draw glyphs.
* slack: start rendering unicodeKartik K. Agaram2021-08-301-24/+25
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* .Kartik Agaram2021-08-3061-6942/+16397
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* .Kartik K. Agaram2021-08-302-5/+5
| | | | Open question fixed.
* first rendering of non-latin scriptKartik K. Agaram2021-08-302-2/+127
| | | | | Open question: why does column 0 get cropped? The spacing also seems excessive. Are we taking up 3 grid points?
* .Kartik K. Agaram2021-08-301-1/+63
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