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| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | plugins/align_carets.lua | 80 |
2 files changed, 81 insertions, 0 deletions
@@ -26,6 +26,7 @@ to something other than a raw file it should be marked with an asterisk.* | Plugin | Description | | -------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| [`align_carets`](plugins/align_carets.lua?raw=1) | Align multiple carets and selections *([clip](https://user-images.githubusercontent.com/2798487/165631951-532f8d24-d596-4dd0-9d21-ff53c71ed32f.mp4))* | | [`autoinsert`](plugins/autoinsert.lua?raw=1) | Automatically inserts closing brackets and quotes. Also allows selected text to be wrapped with brackets or quotes. | | [`autosave`](plugins/autosave.lua?raw=1) | Automatically saves files when they are changed | | [`autosaveonfocuslost`](plugins/autosaveonfocuslost.lua?raw=1) | Automatically saves files that were changed when the main window loses focus by switching to another application | diff --git a/plugins/align_carets.lua b/plugins/align_carets.lua new file mode 100644 index 0000000..95d64d5 --- /dev/null +++ b/plugins/align_carets.lua @@ -0,0 +1,80 @@ +-- mod-version:2 -- lite-xl 2.0 +local core = require "core" +local command = require "core.command" +local DocView = require "core.docview" + + +local function check_doc() + local av = core.active_view + return av:is(DocView) and #av.doc.selections > 4 +end + + +-- returns: +-- * if the doc has selections +-- * if the selections span multiple lines +local function doc_get_selection_status(doc) + local selections = false + for _,line1,col1,line2,col2 in doc:get_selections() do + if line1 ~= line2 then + return true, true + end + if col1 ~= col2 then + selections = true + end + end + return selections, false +end + + +local function has_selections() + if not check_doc() then return false end + local selections, has_multilines = doc_get_selection_status(core.active_view.doc) + -- we want this to be true if there are only single lines selections + return selections and not has_multilines +end + + +local function has_no_selections() + if not check_doc() then return false end + return not doc_get_selection_status(core.active_view.doc) +end + + +local function align(right) + local doc = core.active_view.doc + local max_col = 0 + local done = { } + + -- get alignment column + for _,line1,col1,_,col2 in doc:get_selections(true) do + -- only use the first caret in a line + if not done[line1] then + done[line1] = true + max_col = math.max(max_col, right and col2 or col1) + end + end + + done = { } + for idx,line1,col1,line2,col2 in doc:get_selections(true) do + -- only align the first caret in a line + if not done[line1] then + done[line1] = true + local diff = max_col - (right and col2 or col1) + if diff > 0 then + doc:insert(line1, col1, string.rep(" ", diff)) + end + doc:set_selections(idx, line1, col1 + diff, line2, col2 + diff, right) + end + end +end + + +command.add(has_no_selections, { + ["doc:align-carets"] = align, +}) + +command.add(has_selections, { + ["doc:left-align-selections"] = align, + ["doc:right-align-selections"] = function() align(true) end, +}) |