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Only send graphics protocol commands if there are actual images to diff

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This commit is contained in:
Kovid Goyal 2023-03-30 11:06:44 +05:30
parent 9919767aef
commit e73282ceb0
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 17 additions and 10 deletions
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11
kittens/diff/ui.go
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@ -55,6 +55,7 @@ type screen_size struct{ rows, columns, num_lines, cell_width, cell_height int }
type Handler struct {
async_results chan AsyncResult
mouse_selection tui.MouseSelection
image_count int
shortcut_tracker config.ShortcutTracker
left, right string
collection *Collection
@ -114,7 +115,6 @@ func (self *Handler) initialize() {
self.rl = readline.New(self.lp, readline.RlInit{DontMarkPrompts: true, Prompt: "/"})
self.lp.OnEscapeCode = self.on_escape_code
image_collection = graphics.NewImageCollection()
image_collection.Initialize(self.lp)
self.current_context_count = opts.Context
if self.current_context_count < 0 {
self.current_context_count = int(conf.Num_context_lines)
@ -191,18 +191,23 @@ func (self *Handler) load_all_images() {
self.collection.Apply(func(path, item_type, changed_path string) error {
if path != "" && is_image(path) {
image_collection.AddPaths(path)
self.image_count++
}
if changed_path != "" && is_image(changed_path) {
image_collection.AddPaths(changed_path)
self.image_count++
}
return nil
})
if self.image_count > 0 {
image_collection.Initialize(self.lp)
go func() {
r := AsyncResult{rtype: IMAGE_LOAD}
image_collection.LoadAll()
self.async_results <- r
self.lp.WakeupMainThread()
}()
}
}
func (self *Handler) resize_all_images_if_needed() {
@ -216,7 +221,7 @@ func (self *Handler) resize_all_images_if_needed() {
Width: available_cols * self.screen_size.cell_width,
Height: self.screen_size.num_lines * 2 * self.screen_size.cell_height,
}
if sz != self.images_resized_to {
if sz != self.images_resized_to && self.image_count > 0 {
go func() {
image_collection.ResizeForPageSize(sz.Width, sz.Height)
r := AsyncResult{rtype: IMAGE_RESIZE, page_size: sz}
@ -331,8 +336,10 @@ func (self *Handler) draw_image_pair(ll *LogicalLine, starting_row int) {
func (self *Handler) draw_screen() {
self.lp.StartAtomicUpdate()
defer self.lp.EndAtomicUpdate()
if self.image_count > 0 {
self.resize_all_images_if_needed()
image_collection.DeleteAllVisiblePlacements(self.lp)
}
lp.MoveCursorTo(1, 1)
lp.ClearToEndOfScreen()
if self.logical_lines == nil || self.diff_map == nil || self.collection == nil {