From e4272f847815e1b6a44548e5e58d04b3b3b28ce1 Mon Sep 17 00:00:00 2001
From: milarin <milaring@proton.me>
Date: Fri, 5 Jan 2024 19:16:58 +0100
Subject: [PATCH] GetEventChannel implemented

---
 get_events.go  | 46 ++++++++++++++++++++++++++++++++++++
 go.mod         |  5 +++-
 go.sum         |  2 ++
 model_event.go | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 116 insertions(+), 1 deletion(-)
 create mode 100644 get_events.go
 create mode 100644 model_event.go

diff --git a/get_events.go b/get_events.go
new file mode 100644
index 0000000..12df28a
--- /dev/null
+++ b/get_events.go
@@ -0,0 +1,46 @@
+package hypr
+
+import (
+	"bufio"
+	"context"
+	"net"
+	"os"
+	"strings"
+
+	"git.milar.in/milarin/channel"
+	"git.milar.in/milarin/slices"
+)
+
+func GetEventChannel(ctx context.Context, types ...EventType) (<-chan Event, error) {
+	conn, err := net.Dial("unix", os.ExpandEnv("/tmp/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock"))
+	if err != nil {
+		return nil, err
+	}
+
+	out := make(chan Event, 10)
+
+	go func() {
+		defer conn.Close()
+		<-ctx.Done()
+	}()
+
+	go func() {
+		defer close(out)
+		defer conn.Close()
+
+		sc := bufio.NewScanner(conn)
+		for sc.Scan() {
+			out <- parseEvent(sc.Text())
+		}
+	}()
+
+	if len(types) == 0 {
+		return out, nil
+	}
+
+	typeMap := slices.ToStructMap(slices.Map(types, strings.ToLower))
+	return channel.Filter(out, func(e Event) bool {
+		_, ok := typeMap[e.Type]
+		return ok
+	}), nil
+}
diff --git a/go.mod b/go.mod
index f8e9f42..bd2bbdf 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,9 @@ module git.milar.in/milarin/hypr
 
 go 1.21.6
 
-require git.milar.in/milarin/slices v0.0.8
+require (
+	git.milar.in/milarin/channel v0.1.2
+	git.milar.in/milarin/slices v0.0.8
+)
 
 require git.milar.in/milarin/gmath v0.0.3 // indirect
diff --git a/go.sum b/go.sum
index 3107e78..0f88dbc 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+git.milar.in/milarin/channel v0.1.2 h1:43nWriSppDxa2dO6Midhy2RymzMz2F/Mp1D6lgapQnQ=
+git.milar.in/milarin/channel v0.1.2/go.mod h1:We83LTI8S7u7II3pD+A2ChCDWJfCkcBUCUqii9HjTtM=
 git.milar.in/milarin/gmath v0.0.3 h1:ii6rKNItS55O/wtIFhD1cTN2BMwDZjTBmiOocKURvxM=
 git.milar.in/milarin/gmath v0.0.3/go.mod h1:HDLftG5RLpiNGKiIWh+O2G1PYkNzyLDADO8Cd/1abiE=
 git.milar.in/milarin/slices v0.0.8 h1:qN9TE3tkArdTixMKSnwvNPcApwAjxpLVwA5a9k1rm2s=
diff --git a/model_event.go b/model_event.go
new file mode 100644
index 0000000..e68b79b
--- /dev/null
+++ b/model_event.go
@@ -0,0 +1,64 @@
+package hypr
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+type Event struct {
+	Type EventType `json:"type"`
+	Data []string  `json:"data"`
+}
+
+func parseEvent(str string) Event {
+	data := strings.Split(str, ">>")
+	return Event{
+		Type: EventType(data[0]),
+		Data: strings.Split(data[1], ","),
+	}
+}
+
+func (e Event) String() string {
+	data, _ := json.MarshalIndent(e, "", "\t")
+	return string(data)
+}
+
+type EventType = string
+
+const (
+	EventTypeTick               EventType = "tick"
+	EventTypeActiveWindow       EventType = "activeWindow"
+	EventTypeActiveWindowV2     EventType = "activeWindowV2"
+	EventTypeKeyboardFocus      EventType = "keyboardFocus"
+	EventTypeMoveWorkspace      EventType = "moveWorkspace"
+	EventTypeFocusedMon         EventType = "focusedMon"
+	EventTypeMoveWindow         EventType = "moveWindow"
+	EventTypeOpenLayer          EventType = "openLayer"
+	EventTypeCloseLayer         EventType = "closeLayer"
+	EventTypeOpenWindow         EventType = "openWindow"
+	EventTypeCloseWindow        EventType = "closeWindow"
+	EventTypeUrgent             EventType = "urgent"
+	EventTypeMinimize           EventType = "minimize"
+	EventTypeMonitorAdded       EventType = "monitorAdded"
+	EventTypeMonitorRemoved     EventType = "monitorRemoved"
+	EventTypeCreateWorkspace    EventType = "createWorkspace"
+	EventTypeDestroyWorkspace   EventType = "destroyWorkspace"
+	EventTypeFullscreen         EventType = "fullscreen"
+	EventTypeChangeFloatingMode EventType = "changeFloatingMode"
+	EventTypeWorkspace          EventType = "workspace"
+	EventTypeSubmap             EventType = "submap"
+	EventTypeMouseMove          EventType = "mouseMove"
+	EventTypeMouseButton        EventType = "mouseButton"
+	EventTypeMouseAxis          EventType = "mouseAxis"
+	EventTypeTouchDown          EventType = "touchDown"
+	EventTypeTouchUp            EventType = "touchUp"
+	EventTypeTouchMove          EventType = "touchMove"
+	EventTypeActiveLayout       EventType = "activeLayout"
+	EventTypePreRender          EventType = "preRender"
+	EventTypeScreencast         EventType = "screencast"
+	EventTypeRender             EventType = "render"
+	EventTypeWindowtitle        EventType = "windowtitle"
+	EventTypeConfigReloaded     EventType = "configReloaded"
+	EventTypePreConfigReload    EventType = "preConfigReload"
+	EventTypeKeyPress           EventType = "keyPress"
+)