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Start work on the transmit backend

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This commit is contained in:
Kovid Goyal
2023-01-01 09:06:09 +05:30
parent 31df90a64e
commit ce4c71c465
3 changed files with 137 additions and 24 deletions
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40
tools/cmd/icat/main.go
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@@ -147,6 +147,22 @@ func on_detect_timeout(timer_id loop.IdType) error {
func on_initialize() (string, error) {
var iid uint32
sz, err := lp.ScreenSize()
if err != nil {
return "", fmt.Errorf("Failed to query terminal for screen size with error: %w", err)
}
if sz.WidthPx == 0 || sz.HeightPx == 0 {
return "", fmt.Errorf("Terminal does not support reporting screen sizes in pixels, use a terminal such as kitty, WezTerm, Konsole, etc. that does.")
}
if opts.Clear {
cc := &graphics.GraphicsCommand{}
cc.SetAction(graphics.GRT_action_delete).SetDelete(graphics.GRT_free_visible)
cc.WriteWithPayloadToLoop(lp, nil)
}
if opts.TransferMode != "detect" {
return "", nil
}
query_in_flight = true
lp.AddTimer(time.Duration(opts.DetectionTimeout*float64(time.Second)), false, on_detect_timeout)
g := func(t graphics.GRT_t, payload string) uint32 {
@@ -157,13 +173,6 @@ func on_initialize() (string, error) {
g1.WriteWithPayloadToLoop(lp, utils.UnsafeStringToBytes(payload))
return iid
}
sz, err := lp.ScreenSize()
if err != nil {
return "", fmt.Errorf("Failed to query terminal for screen size with error: %w", err)
}
if sz.WidthPx == 0 || sz.HeightPx == 0 {
return "", fmt.Errorf("Terminal does not support reporting screen sizes via the TIOCGWINSZ ioctl")
}
keep_going.Store(true)
screen_size = sz
if !opts.DetectSupport && num_of_items > 0 {
@@ -207,11 +216,6 @@ func on_query_finished() (err error) {
if transfer_by_stream != supported {
return fmt.Errorf("This terminal emulator does not support the graphics protocol, use a terminal emulator such as kitty that does support it")
}
if opts.Clear {
cc := &graphics.GraphicsCommand{}
cc.SetAction(graphics.GRT_action_delete).SetDelete(graphics.GRT_free_visible)
cc.WriteWithPayloadToLoop(lp, nil)
}
if opts.DetectSupport {
switch {
case transfer_by_memory == supported:
@@ -224,10 +228,7 @@ func on_query_finished() (err error) {
quit_loop()
return
}
if num_of_items <= 0 {
quit_loop()
}
return
return on_wakeup()
}
func on_query_response(g *graphics.GraphicsCommand) (err error) {
@@ -290,6 +291,9 @@ func quit_loop() {
}
func on_wakeup() error {
if query_in_flight {
return nil
}
have_more := true
for have_more {
select {
@@ -297,9 +301,9 @@ func on_wakeup() error {
num_of_items--
if imgd.err != nil {
print_error("Failed to process \x1b[31m%s\x1b[39m: %v\r\n", imgd.source_name, imgd.err)
continue
} else {
transmit_image(imgd)
}
lp.QueueWriteString("Processed " + imgd.source_name + "\r\n")
default:
have_more = false
}