//go:build wasm

package app

import "unsafe"

//go:wasmimport bridge app_CreateFullscreenCanvas
func wasmCreateFullscreenCanvas()

//go:wasmimport bridge app_CreateWebGLContext
func wasmCreateWebGLContext() int32

//go:wasmimport bridge app_GetDevicePixelRatio
func wasmGetDevicePixelRatio() float32

//go:wasmimport bridge app_GetCanvasCSSSize
func wasmGetCanvasCSSSize(wPtr *int32, hPtr *int32)

//go:wasmimport bridge app_SetCanvasBacking
func wasmSetCanvasBacking(w, h int32)

//go:wasmimport bridge app_RequestRAF
func wasmRequestRAF()

//go:wasmimport bridge app_SetCursor
func wasmSetCursor(ptr *byte, len int32)

//go:wasmimport bridge app_SetTitle
func wasmSetTitle(ptr *byte, len int32)

//go:wasmimport bridge app_SetFullscreen
func wasmSetFullscreen(full int32)

//go:wasmimport bridge app_RegisterPointerEvents
func wasmRegisterPointerEvents()

//go:wasmimport bridge app_RegisterKeyEvents
func wasmRegisterKeyEvents()

//go:wasmimport bridge app_RegisterResizeEvents
func wasmRegisterResizeEvents()

//go:wasmimport bridge app_RegisterTextEvents
func wasmRegisterTextEvents()

//go:wasmimport bridge app_FocusTextArea
func wasmFocusTextArea()

//go:wasmimport bridge app_BlurTextArea
func wasmBlurTextArea()

//go:wasmimport bridge app_RegisterContextLossEvents
func wasmRegisterContextLossEvents()

//go:wasmimport bridge app_WriteClipboard
func wasmWriteClipboard(ptr *byte, len int32)

//go:wasmimport bridge app_ReadClipboard
func wasmReadClipboard()

func CreateFullscreenCanvas() { wasmCreateFullscreenCanvas() }
func CreateWebGLContext() int32 { return wasmCreateWebGLContext() }
func GetDevicePixelRatio() float32 { return wasmGetDevicePixelRatio() }

func GetCanvasCSSSize(w, h *int32) { wasmGetCanvasCSSSize(w, h) }
func SetCanvasBacking(w, h int32)  { wasmSetCanvasBacking(w, h) }
func RequestRAF()                  { wasmRequestRAF() }

func SetCursor(s string) {
	wasmSetCursor(unsafe.StringData(s), int32(len(s)))
}

func SetTitle(s string) {
	wasmSetTitle(unsafe.StringData(s), int32(len(s)))
}

func SetFullscreen(full bool) {
	v := int32(0)
	if full {
		v = 1
	}
	wasmSetFullscreen(v)
}

func RegisterPointerEvents()     { wasmRegisterPointerEvents() }
func RegisterKeyEvents()         { wasmRegisterKeyEvents() }
func RegisterResizeEvents()      { wasmRegisterResizeEvents() }
func RegisterTextEvents()        { wasmRegisterTextEvents() }
func FocusTextArea()             { wasmFocusTextArea() }
func BlurTextArea()              { wasmBlurTextArea() }
func RegisterContextLossEvents() { wasmRegisterContextLossEvents() }
func ReadClipboard()             { wasmReadClipboard() }

func WriteClipboard(s string) {
	wasmWriteClipboard(unsafe.StringData(s), int32(len(s)))
}