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Only unload preview when changed instead of on each render

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Kovid Goyal
2025-11-22 11:27:27 +05:30
parent 11dd7eeb8e
commit c5bde715a7
2 changed files with 19 additions and 13 deletions
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25
kittens/choose_files/main.go
View File

@@ -207,18 +207,19 @@ type ScreenSize struct {
} }
type Handler struct { type Handler struct {
state State state State
screen_size ScreenSize screen_size ScreenSize
result_manager *ResultManager result_manager *ResultManager
lp *loop.Loop lp *loop.Loop
rl *readline.Readline rl *readline.Readline
err_chan chan error err_chan chan error
shortcut_tracker config.ShortcutTracker shortcut_tracker config.ShortcutTracker
msg_printer *message.Printer msg_printer *message.Printer
spinner *tui.Spinner spinner *tui.Spinner
preview_manager *PreviewManager preview_manager *PreviewManager
last_rendered_preview Preview last_rendered_preview Preview
graphics_handler GraphicsHandler last_rendered_preview_abspath string
graphics_handler GraphicsHandler
} }
func (self *Handler) on_escape_code(etype loop.EscapeCodeType, payload []byte) error { func (self *Handler) on_escape_code(etype loop.EscapeCodeType, payload []byte) error {

7
kittens/choose_files/preview.go
View File

@@ -326,8 +326,12 @@ func (h *Handler) draw_preview_content(x, y, width, height int) {
h.render_wrapped_text_in_region("No preview available", x, y, width, height, false) h.render_wrapped_text_in_region("No preview available", x, y, width, height, false)
return return
} }
abspath := filepath.Join(h.state.CurrentDir(), r.text) abspath := h.current_abspath()
if h.last_rendered_preview != nil { if h.last_rendered_preview != nil {
if abspath == h.last_rendered_preview_abspath {
h.last_rendered_preview.Render(h, x, y, width, height)
return
}
h.last_rendered_preview.Unload() h.last_rendered_preview.Unload()
h.last_rendered_preview = nil h.last_rendered_preview = nil
} }
@@ -335,6 +339,7 @@ func (h *Handler) draw_preview_content(x, y, width, height int) {
h.render_wrapped_text_in_region("No preview available", x, y, width, height, false) h.render_wrapped_text_in_region("No preview available", x, y, width, height, false)
} else { } else {
h.last_rendered_preview = p h.last_rendered_preview = p
h.last_rendered_preview_abspath = abspath
p.Render(h, x, y, width, height) p.Render(h, x, y, width, height)
} }
} }