Files
kitty/kittens/choose_fonts/graphics.go

107 lines
2.8 KiB
Go

package choose_fonts
import (
"fmt"
"strings"
"kitty/tools/tui/graphics"
"kitty/tools/tui/loop"
"kitty/tools/utils"
)
var _ = fmt.Print
type image struct {
id, image_number uint32
current_file string
}
func (i image) new_graphics_command() *graphics.GraphicsCommand {
gc := &graphics.GraphicsCommand{}
if i.id > 0 {
gc.SetImageId(i.id)
} else {
gc.SetImageNumber(i.image_number)
}
return gc
}
type graphics_manager struct {
main, bold, italic, bi, extra image
lp *loop.Loop
images [5]*image
}
func (g *graphics_manager) initialize(lp *loop.Loop) {
g.images = [5]*image{&g.main, &g.bold, &g.italic, &g.bi, &g.extra}
g.lp = lp
payload := []byte("123")
buf := strings.Builder{}
gc := &graphics.GraphicsCommand{}
gc.SetImageNumber(7891230).SetTransmission(graphics.GRT_transmission_direct).SetDataWidth(1).SetDataHeight(1).SetFormat(
graphics.GRT_format_rgb).SetDataSize(uint64(len(payload)))
d := func() uint32 {
im := gc.ImageNumber()
im++
gc.SetImageNumber(im)
_ = gc.WriteWithPayloadTo(&buf, payload)
return im
}
for _, img := range g.images {
img.image_number = d()
}
lp.QueueWriteString(buf.String())
}
func (g *graphics_manager) clear_placements() {
buf := strings.Builder{}
for _, img := range g.images {
if img.current_file == "" {
continue
}
gc := img.new_graphics_command()
gc.SetAction(graphics.GRT_action_delete)
gc.SetDelete(utils.IfElse(img.id > 0, graphics.GRT_delete_by_id, graphics.GRT_delete_by_number))
gc.WriteWithPayloadTo(&buf, nil)
}
g.lp.QueueWriteString(buf.String())
}
func (g *graphics_manager) display_image(slot int, path string, img_width, img_height int) {
img := g.images[slot]
if img.current_file != path {
gc := img.new_graphics_command()
gc.SetAction(graphics.GRT_action_transmit).SetDataWidth(uint64(img_width)).SetDataHeight(uint64(img_height)).SetTransmission(graphics.GRT_transmission_file)
gc.WriteWithPayloadToLoop(g.lp, []byte(path))
img.current_file = path
}
gc := img.new_graphics_command()
gc.SetAction(graphics.GRT_action_display).SetCursorMovement(graphics.GRT_cursor_static)
gc.WriteWithPayloadToLoop(g.lp, nil)
}
func (g *graphics_manager) on_response(gc *graphics.GraphicsCommand) (err error) {
if gc.ResponseMessage() != "OK" {
return fmt.Errorf("Failed to load image with error: %s", gc.ResponseMessage())
}
for _, img := range g.images {
if img.image_number == gc.ImageNumber() {
img.id = gc.ImageId()
break
}
}
return
}
func (g *graphics_manager) finalize() {
buf := strings.Builder{}
for _, img := range g.images {
gc := img.new_graphics_command()
gc.SetAction(graphics.GRT_action_delete)
gc.SetDelete(utils.IfElse(img.id > 0, graphics.GRT_free_by_id, graphics.GRT_free_by_number))
gc.WriteWithPayloadTo(&buf, nil)
}
g.lp.QueueWriteString(buf.String())
}