neko/pkg/xevent/xevent.go
2023-11-24 10:39:09 +01:00

93 lines
2.2 KiB
Go

package xevent
/*
#cgo LDFLAGS: -lX11 -lXfixes
#include "xevent.h"
*/
import "C"
import (
"strings"
"unsafe"
"github.com/kataras/go-events"
)
var Emmiter events.EventEmmiter
var Unminimize bool = false
var FileChooserDialog bool = false
var fileChooserDialogWindow uint32 = 0
func init() {
Emmiter = events.New()
}
func EventLoop(display string) {
displayUnsafe := C.CString(display)
defer C.free(unsafe.Pointer(displayUnsafe))
C.XEventLoop(displayUnsafe)
}
//export goXEventCursorChanged
func goXEventCursorChanged(event C.XFixesCursorNotifyEvent) {
Emmiter.Emit("cursor-changed", uint64(event.cursor_serial))
}
//export goXEventClipboardUpdated
func goXEventClipboardUpdated() {
Emmiter.Emit("clipboard-updated")
}
//export goXEventConfigureNotify
func goXEventConfigureNotify(display *C.Display, window C.Window, name *C.char, role *C.char) {
if C.GoString(role) != "GtkFileChooserDialog" || !FileChooserDialog {
return
}
// TODO: Refactor. Right now processing of this dialog relies on identifying
// via its name. When that changes to role, this condition should be removed.
if !strings.HasPrefix(C.GoString(name), "Open File") {
return
}
C.XFileChooserHide(display, window)
if fileChooserDialogWindow == 0 {
fileChooserDialogWindow = uint32(window)
Emmiter.Emit("file-chooser-dialog-opened")
}
}
//export goXEventUnmapNotify
func goXEventUnmapNotify(window C.Window) {
if uint32(window) != fileChooserDialogWindow || !FileChooserDialog {
return
}
fileChooserDialogWindow = 0
Emmiter.Emit("file-chooser-dialog-closed")
}
//export goXEventWMChangeState
func goXEventWMChangeState(display *C.Display, window C.Window, window_state C.ulong) {
// if we just realized that window is minimized and we want it to be unminimized
if window_state != C.NormalState && Unminimize {
// we want to unmap and map the window to force it to redraw
C.XUnmapWindow(display, window)
C.XMapWindow(display, window)
C.XFlush(display)
}
}
//export goXEventError
func goXEventError(event *C.XErrorEvent, message *C.char) {
Emmiter.Emit("event-error", uint8(event.error_code), C.GoString(message), uint8(event.request_code), uint8(event.minor_code))
}
//export goXEventActive
func goXEventActive() C.int {
return C.int(1)
}