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fix(sidebar): account for sidebar header on/off for selected code

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Current implementation always says that first 5 lines of code is shown
when selected code does not fully fit into its window. This is not
correct as the window can be resized, may have a header occupying one
line, and the lines may not be the first ones. Also the wording is
awkward.

Correct these issues by checking current window height, accounting for
the potential header presence by checking sidebar.enabled config flag,
and updating the message format to be more concise:

" Selected Code (4/15 lines)"

While at it switch to using Utils.count_lines() which does not need
creating temporary tables.

Note that this does not deal with the header info being stale after
resizing sidebar windows.
This commit is contained in:
Dmitry Torokhov
2025-07-21 14:53:03 -07:00
committed by yetone
parent aa606b6147
commit c6d2783975
1 changed files with 11 additions and 22 deletions
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33
lua/avante/sidebar.lua
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@@ -1017,23 +1017,15 @@ function Sidebar:render_input(ask)
end
function Sidebar:render_selected_code()
if not self.code.selection then return end
if not Utils.is_valid_container(self.containers.selected_code) then return end
local selected_code_lines_count = 0
local selected_code_max_lines_count = 5
local count = Utils.count_lines(self.code.selection.content)
local max_shown = api.nvim_win_get_height(self.containers.selected_code.winid)
if Config.windows.sidebar_header.enabled then max_shown = max_shown - 1 end
if self.code.selection ~= nil then
local selected_code_lines = vim.split(self.code.selection.content, "\n")
selected_code_lines_count = #selected_code_lines
end
local header_text = Utils.icon("")
.. "Selected Code"
.. (
selected_code_lines_count > selected_code_max_lines_count
and " (Show only the first " .. tostring(selected_code_max_lines_count) .. " lines)"
or ""
)
local header_text = Utils.icon("") .. "Selected Code"
if max_shown < count then header_text = string.format("%s (%d/%d lines)", header_text, max_shown, count) end
self:render_header(
self.containers.selected_code.winid,
@@ -2816,17 +2808,14 @@ function Sidebar:get_input_value()
end
function Sidebar:get_selected_code_container_height()
local selected_code_max_lines_count = 5
if not self.code.selection then return 0 end
local selected_code_size = 0
local max_height = 5
if self.code.selection ~= nil then
local selected_code_lines = vim.split(self.code.selection.content, "\n")
local selected_code_lines_count = #selected_code_lines + 1
selected_code_size = math.min(selected_code_lines_count, selected_code_max_lines_count)
end
local count = Utils.count_lines(self.code.selection.content)
if Config.windows.sidebar_header.enabled then count = count + 1 end
return selected_code_size
return math.min(count, max_height)
end
function Sidebar:get_todos_container_height()