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80 lines
1.5 KiB
Go
80 lines
1.5 KiB
Go
8 years ago
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package cocoa
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import (
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"log"
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"github.com/jordanorelli/dws/events"
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)
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/*
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#cgo CFLAGS: -x objective-c
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#cgo LDFLAGS: -framework Cocoa
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#include <stdlib.h>
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#include "ui.h"
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*/
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import "C"
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var instance *ui
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type ui struct {
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in chan events.BackgroundEvent
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out chan events.UserEvent
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}
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func Desktop() *ui {
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if instance != nil {
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return instance
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}
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log.Println("Creating new Cocoa UI")
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C.ui_init()
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instance = new(ui)
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return instance
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}
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func (ui *ui) Run(out chan events.UserEvent, in chan events.BackgroundEvent) error {
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log.Println("Running Desktop UI")
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ui.in = in
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ui.out = out
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go ui.forwardEvents()
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C.ui_run()
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return nil
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}
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func (ui *ui) forwardEvent(e events.BackgroundEvent) {
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switch v := e.(type) {
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case events.SigIntEvent:
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log.Println("Cocoa UI sees sig int, forwarding to NSApp")
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C.bg_shutdown()
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case events.SetRootEvent:
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cpath := C.CString(v.Path)
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C.bg_set_root(cpath)
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case events.BeginRequestEvent:
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cpath := C.CString(v.Path)
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req := (*C.struct_RequestMeta)(C.malloc(C.sizeof_struct_RequestMeta))
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req.seq = C.int(v.Seq)
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req.path = cpath
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C.bg_received_request(req)
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case events.EndRequestEvent:
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res := (*C.struct_ResponseMeta)(C.malloc(C.sizeof_struct_ResponseMeta))
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res.seq = C.int(v.Seq)
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res.status = C.int(v.Status)
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res.bytes = C.int(v.Bytes)
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C.bg_sent_response(res)
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}
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}
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func (ui *ui) forwardEvents() {
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for e := range ui.in {
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ui.forwardEvent(e)
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}
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}
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//export selectDirectory
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func selectDirectory(cpath *C.char) {
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path := C.GoString(cpath)
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instance.out <- events.UserSelectedDirectory{Path: path}
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}
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