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Supporting different ghost_text highlight when selected #2147

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Supporting different ghost_text highlight when selected #2147

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67dcaf0
Supporting different ghost_text highlight when selected
Suryansh-Dey Mar 26, 2025
070e0d1
Merge branch 'hrsh7th:main' into main
Suryansh-Dey Apr 8, 2025
fb18513
Merge branch 'hrsh7th:main' into main
Suryansh-Dey Apr 15, 2025
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2 changes: 1 addition & 1 deletion doc/cmp.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -787,7 +787,7 @@ window.documentation.max_height~

*cmp-config.experimental.ghost_text*
experimental.ghost_text~
`boolean | { hl_group = string }`
`boolean | { hl_group = string, hl_group_selected = string | nil}`
Whether to enable the ghost_text feature.

==============================================================================
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1 change: 1 addition & 0 deletions lua/cmp/types/cmp.lua
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Expand Up @@ -164,6 +164,7 @@ cmp.ItemField = {

---@class cmp.GhostTextConfig
---@field hl_group string
---@field hl_group_selected string|nil

---@class cmp.SourceConfig
---@field public name string
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8 changes: 6 additions & 2 deletions lua/cmp/view/ghost_text_view.lua
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Expand Up @@ -62,9 +62,13 @@ ghost_text_view.new = function()

local text = self.text_gen(self, line, col)
if #text > 0 then
local text_hl = 'Comment'
if type(c) == 'table' then
text_hl = require('cmp').core.view:get_selected_entry() and (c.hl_group_selected or c.hl_group) or c.hl_group
end
local virt_lines = {}
for _, l in ipairs(vim.fn.split(text, '\n')) do
table.insert(virt_lines, { { l, type(c) == 'table' and c.hl_group or 'Comment' } })
table.insert(virt_lines, { { l, text_hl} })
end
local first_line = table.remove(virt_lines, 1)
self.extmark_buf = vim.api.nvim_get_current_buf()
Expand All @@ -87,7 +91,7 @@ end
--- of character differences instead of just byte difference.
ghost_text_view.text_gen = function(self, line, cursor_col)
local word = self.entry:get_insert_text()
if self.entry:get_completion_item().insertTextFormat == types.lsp.InsertTextFormat.Snippet then
if self.entry.completion_item.insertTextFormat == types.lsp.InsertTextFormat.Snippet then
word = tostring(snippet.parse(word))
end
local word_clen = vim.fn.strchars(word, true)
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