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2017-04-06vis: fix memory leak in selection rotation codeMarc André Tanner1-0/+1
2017-04-04vis: add motions to move by codepointsMarc André Tanner1-0/+12
Some people might prefer this for <Backspace> behavior. Except for that and debugging purposes using `ga` and `g8` it is not yet that useful.
2017-04-04vis: reject multi letter mark and register namesMarc André Tanner1-0/+10
Fix #531
2017-04-02Fix Debian package lintian warningsMarc André Tanner1-3/+3
https://mentors.debian.net/package/vis
2017-03-31vis: add non-default actions for vi compatible n/N motionsMarc André Tanner1-0/+12
The following key mappings should result in the vi behavior: :map! normal n <vis-motion-search-repeat> :map! normal N <vis-motion-search-repeat-reverse> The default remains unchanged, that is `n` (`N`) always searches towards the end (start) of the file. Fix #470
2017-03-31vis: rename search related constantsMarc André Tanner1-10/+10
2017-03-22vis: fix wrap around with <C-n>Marc André Tanner1-0/+2
Do not create an invalid cursor when no further match exists.
2017-03-19Move :set syntax option implementation to luaMarc André Tanner1-1/+0
It is no longer possible to change the used syntax by assigning to the `win.syntax = name` field, instead the function win:set_syntax(name)` should be called. The distinction between filetype and syntax lexer to use should probably be clarified/cleaned up at some point.
2017-03-14Add experimental raw vt100 UI backendMarc André Tanner1-1/+2
The intention of this is not to slowly reimplement curses but to provide a minimal working terminal UI backend which can also be used for debugging, fuzzing and in environments where curses is not available. Currently no attempt is made to optimize terminal output. The amount of flickering will depend on the smartness of your terminal emulator.
2017-03-14Restructure display codeMarc André Tanner1-2/+3
Use pull instead of push based model for display code. Previously view.c was calling into the ui frontend code, with the new scheme this switches around: the necessary data is fetched by the ui as necessary. The UI independent display code is moved out of view.c/ui-curses.c into vis.c. The cell styles are now directly embedded into the Cell struct. New UI styles are introduced for: - status bar (focused / non-focused) - info message - window separator - EOF symbol You will have to update your color themes. The terminal output code is further abstracted into a generic ui-terminal.c part which keeps track of the whole in-memory cell matrix and #includes ui-terminal-curses.c for the actual terminal output. This architecture currently assumes that there are no overlapping windows. It will also allow non-curses based terminal user interfaces.
2017-03-05vis: remove word and file name completion from editor coreMarc André Tanner1-77/+0
2017-03-04vis: process command line options when reading from stdinMarc André Tanner1-6/+7
Previously the following had no effect: $ echo foo | vis +"set syntax markdown" - Fix #512
2017-02-25vis: add vis- prefix to pseudo editor keysMarc André Tanner1-163/+163
2017-02-24vis: make help texts optional to produce a smaller binaryMarc André Tanner1-178/+178
$ ./configure --disable-help shrinks the binary by about 20K on a x86_64 system.
2017-02-23vis: remove `gf` and `<C-w>gf` functionalityMarc André Tanner1-36/+0
This can also be implemented using Lua, if desired.
2017-02-23vis: remove number increment/decrement functionalityMarc André Tanner1-59/+0
By now we should have the necessary Lua API to implement this as an extension.
2017-02-22vis: simplify `r` implementation and fix cursor positioningMarc André Tanner1-10/+2
2017-02-15vis: use single function call to print version informationMarc André Tanner1-12/+6
This results in a slightly smaller binary while still avoiding #ifdefs. Close #494
2017-02-15vis: remove motion and text objects related to C functionsMarc André Tanner1-36/+0
These do not really belong into the editor core. If desired they could be implemented in Lua instead.
2017-02-15text-motions: remove unused text_line_lastcharMarc André Tanner1-6/+0
2017-02-14vis: add compile time features to version outputMarc André Tanner1-1/+12
2017-02-10vis: make r handle special keys like <Tab>Marc André Tanner1-8/+4
Unlike vim we do not respect `:set expandtab` here.
2017-02-10vis: make t, T, f and F work for special keysMarc André Tanner1-9/+5
Fix #491
2017-02-08vis: make `ga` and `g8` more robustMarc André Tanner1-1/+5
Fixes CID 141179
2017-02-06Disable keymap for movement_key characterMichael Forney1-1/+6
The character following a movement_key command should not be subject to keymap translation since it is used to find characters in the document.
2017-02-04view: do not let new cursors automatically become primaryMarc André Tanner1-8/+12
We currently have the invariant that the primary cursor is always placed within the visisble viewport. Previously view_cursors_new would automatically make the new cursor primary. This in turn causes the viewport to be adjusted triggering lots of unnecessary redraws. As a result commands creating many new selections might become unbearably slow. Instead the caller has to explicitly make the new cursor primary.
2017-02-02Slight code cleanups, use buffer API where appropriateMarc André Tanner1-3/+2
2017-02-01vis: fix repetition of O when given a countMarc André Tanner1-0/+2
The cursor needs to be adjusted after every insertion, not just the first one. The implementation is currently rather ugly because it clobbers the dot register with pseudo keys.
2017-01-28vis: deindent blank autoindented lines when leaving insert modeMarc André Tanner1-2/+2
Does not work for the current implementation of `O` because the "lookbehind" i.e. second to last processed key is `<Up>` and not `<Enter>`. Fix #383
2017-01-27vis: do not set count when handling 0 motionMarc André Tanner1-1/+2
A count of zero is different than specifying no count. This fixes `0G` which previously moved to the start of the file. Fix #474
2017-01-19vis: make <C-n> in visual mode wrap aroundMarc André Tanner1-6/+13
Strictly speaking we actually not wrap around, but search backwards starting from the first cursor. This is seems more useful when for example renaming a local variable but not starting from its declaration. Close #305
2017-01-19vis: remove <C-o> mapping in insert modeMarc André Tanner1-6/+0
This was never really implemented properly and is not really needed anyway. Close #345
2017-01-18vis: support count for insertion and replacementMarc André Tanner1-2/+10
Fix #372
2016-12-26fix help text for next/prev matchErlend Fagerheim1-2/+2
2016-12-21vis: implement `gh` and `gl` to move by relative byte offsetsMarc André Tanner1-0/+12
2016-12-21vis: implement `go` to move to absolute byte positionMarc André Tanner1-0/+6
2016-12-21vis: implement g8Marc André Tanner1-4/+15
Shows hex values up to the next UTF-8 encoded character.
2016-12-20vis: improve literal insertion via <C-v> in insert modeMarc André Tanner1-21/+6
2016-12-20vis: improve gaMarc André Tanner1-9/+20
2016-12-19vis: introduce vis_register_from utility functionMarc André Tanner1-37/+17
2016-12-09Remove useless variable assignmentMarc André Tanner1-1/+0
Fixes CID 139067.
2016-12-09vis-lua: expose input key event in insert and replace modesMarc André Tanner1-0/+2
2016-12-08vis: rename some internal C function pointersMarc André Tanner1-3/+3
2016-11-28vis: move mark description into core codeMarc André Tanner1-19/+6
2016-11-27vis: cleanup signal handling codeMarc André Tanner1-4/+20
Move all signal handling code out of "library" code into user application.
2016-11-26vis: re-open /dev/tty read-writeableMarc André Tanner1-1/+1
libtermkey's initialization routine tries to write to the underlying file descriptor which fails with EBADF if it is opened read only. This was a problem in the terminal restore code called after a shell command is executed. It should fix the following: $ echo foo | vis - > bar :!/bin/sh exit where before vis would no longer accept any input.
2016-11-25vis: fix I/O redirection bugs, cleanup vis_pipeMarc André Tanner1-1/+1
The `:!` command did redirect stdout to a pipe which was used by `vis-menu` to return the selected entry. However, this breaks other interactive commands such as `:!/bin/sh` where command output was never displayed. Instead we modified `vis-menu` to re-open /dev/tty for its user interface which makes it work as a regular filter `:|` This patch also obsoletes the interactive flag previously passed to the vis_pipe function. Interactive mode is instead enabled by piping an invalid range.
2016-11-22vis-lua: introduce pre-save hookMarc André Tanner1-0/+1
The first argument is the file object while the second argument denotes the full path to which it will be written. Path might be `nil` if the file is going to be written to stdout. The Lua function is expected to return a boolean value indicating whether the write operation should proceed or be aborted.
2016-11-21vis-lua: rename file_save event to file_save_postMarc André Tanner1-1/+1
Indicating that the event is triggered *after* a successfull write.
2016-11-16sam: use default shell command for <, >, | and ! when applicapleMarc André Tanner1-0/+2
If the shell command is omitted, the last shell command (of any type) is substituted. The most recently used shell command is stored in a new register currently named `!`.
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