feat(ui): hoist cursor when switching tab (#178)

3 files changed, 10 insertions, 1 deletions

diff --git a/lua/mason-core/ui/display.lua b/lua/mason-core/ui/display.lua
index 2bae3d81..285a153a 100644
--- a/lua/mason-core/ui/display.lua
+++ b/lua/mason-core/ui/display.lua
@@ -511,6 +511,10 @@ function M.new_view_only_win(name, filetype)
                 end
             end
         end,
+        get_win_config = function()
+            assert(win_id ~= nil, "Window has not been opened, cannot get config.")
+            return vim.api.nvim_win_get_config(win_id)
+        end,
     }
 end
 
diff --git a/lua/mason/ui/components/tabs.lua b/lua/mason/ui/components/tabs.lua
index dc1e1b52..be9a0232 100644
--- a/lua/mason/ui/components/tabs.lua
+++ b/lua/mason/ui/components/tabs.lua
@@ -34,5 +34,6 @@ return function(state)
     end
     return Ui.CascadingStyleNode({ "INDENT" }, {
         Ui.HlTextNode { tabs },
+        Ui.StickyCursor { id = "tabs" },
     })
 end
diff --git a/lua/mason/ui/instance.lua b/lua/mason/ui/instance.lua
index 695d25c9..7fcf2452 100644
--- a/lua/mason/ui/instance.lua
+++ b/lua/mason/ui/instance.lua
@@ -109,7 +109,7 @@ local function remove(list, item)
     return list
 end
 
-local window = display.new_view_only_win("Installer Info", "mason.nvim")
+local window = display.new_view_only_win("mason.nvim", "mason.nvim")
 local packages = _.sort_by(_.prop "name", registry.get_all_packages())
 
 window.view(
@@ -384,6 +384,10 @@ end
 
 local function set_view(event)
     local view = event.payload
+    local cursor_line = window.get_cursor()[1]
+    if cursor_line > (window.get_win_config().height * 0.75) then
+        window.set_sticky_cursor "tabs"
+    end
     mutate_package_visibility(function(state)
         state.view.current = view
         state.view.has_changed = true