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Add tests for drop move events

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This commit is contained in:
Kovid Goyal
2026-04-20 11:23:49 +05:30
parent 4c484ca1e8
commit 54eab02709
3 changed files with 104 additions and 17 deletions
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40
kittens/dnd/main.go
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@@ -110,19 +110,28 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
const move_on_drop = 2
var copy_button_region, move_button_region button_region
var offered_mimes_buf strings.Builder
on_drop_move := func(cell_x, cell_y int, offered_mimes string) (needs_rerender bool) {
on_drop_move := func(cell_x, cell_y int, has_more bool, offered_mimes string) (needs_rerender bool) {
prev_status := drop_status
drop_status.cell_x, drop_status.cell_y = cell_x, cell_y
if offered_mimes != "" {
offered_mimes_buf.WriteString(offered_mimes)
if has_more {
return
}
offered_mimes := offered_mimes_buf.String()
drop_status.offered_mimes = strings.Fields(offered_mimes)
drop_status.accepted_mimes = make([]string, 0, len(drop_status.offered_mimes))
seen := utils.NewSet[string](len(drop_status.offered_mimes))
for _, x := range drop_status.offered_mimes {
if _, found := drop_dests[x]; found {
if _, found := drop_dests[x]; found && !seen.Has(x) {
drop_status.accepted_mimes = append(drop_status.accepted_mimes, x)
seen.Add(x)
}
}
}
offered_mimes_buf.Reset()
if copy_button_region.has(cell_x, cell_y) {
drop_status.action = copy_on_drop
} else if move_button_region.has(cell_x, cell_y) {
@@ -139,10 +148,13 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
}
}
drop_status.in_window = cell_x > -1 && cell_y > -1
if !drop_status.in_window {
drop_status.offered_mimes = nil
}
mimes_changed := !slices.Equal(prev_status.accepted_mimes, drop_status.accepted_mimes)
needs_rerender = prev_status.action != drop_status.action || mimes_changed
if needs_rerender {
c := DC{Type: 'm'}
c := DC{Type: 'm', Operation: drop_status.action}
if drop_status.action != 0 && len(drop_status.accepted_mimes) > 0 {
c.Payload = utils.UnsafeStringToBytes(strings.Join(drop_status.accepted_mimes, " "))
}
@@ -152,12 +164,13 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
return
}
render_screen := func() error {
render_screen := func() error { // {{{
if !in_test_mode {
lp.StartAtomicUpdate()
defer lp.EndAtomicUpdate()
}
lp.ClearScreen()
copy_button_region, move_button_region = button_region{}, button_region{}
if drag_started {
lp.Println("Dragging data...")
return nil
@@ -196,7 +209,7 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
}
frame_width, padding_width := 4, 8
text_width := len("copymove")
scale := 4
scale := 5
for scale > 1 && frame_width+padding_width+text_width*scale > int(sz.WidthCells) {
scale--
}
@@ -241,16 +254,17 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
lp.Printf("\x1b[%dm", fg)
}
render_box(1, "Copy", &copy_button_region)
lp.QueueWriteString("\x1b[m")
lp.QueueWriteString("\x1b[39m")
box_width := 6 + len("move")*scale
if drop_status.action == move_on_drop {
lp.Printf("\x1b[%dm", fg)
}
render_box(1+int(sz.WidthCells)-box_width, "Move", &move_button_region)
lp.QueueWriteString("\x1b[m")
lp.QueueWriteString("\x1b[39m")
_ = in_test_mode
return nil
}
} // }}}
lp.OnInitialize = func() (string, error) {
lp.AllowLineWrapping(false)
lp.SetCursorVisible(false)
@@ -319,6 +333,14 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
case "SETUP":
in_test_mode = true
lp.NoRoundtripToTerminalOnExit()
case "GEOMETRY":
send_test_response(fmt.Sprintf("GEOMETRY:%d:%d:%d:%d:%d:%d:%d:%d", copy_button_region.left, copy_button_region.top, copy_button_region.width, copy_button_region.height, move_button_region.left, move_button_region.top, move_button_region.width, move_button_region.height))
case "DROP_MIMES":
if drop_status.offered_mimes != nil {
send_test_response(strings.Join(drop_status.offered_mimes, " "))
} else {
send_test_response("")
}
default:
send_test_response("UNKNOWN TEST COMMAND: " + string(cmd.Payload))
}
@@ -328,7 +350,7 @@ func run_loop(opts *Options, drop_dests map[string]drop_dest, drag_sources map[s
if cmd.Payload != nil {
payload = utils.UnsafeBytesToString(cmd.Payload)
}
if on_drop_move(cmd.X, cmd.Y, payload) {
if on_drop_move(cmd.X, cmd.Y, cmd.Has_more, payload) {
render_screen()
}
}