add win package

1 files changed, 49 insertions, 0 deletions

diff --git a/win/events.go b/win/events.go
new file mode 100644
index 0000000..7ce93e5
--- /dev/null
+++ b/win/events.go
@@ -0,0 +1,49 @@
+package win
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/faiface/gui/event"
+	"github.com/go-gl/glfw/v3.2/glfw"
+)
+
+func (w *Win) setUpEvents(events chan<- string) {
+	var moX, moY int
+
+	w.w.SetMouseButtonCallback(func(_ *glfw.Window, button glfw.MouseButton, action glfw.Action, mod glfw.ModifierKey) {
+		switch action {
+		case glfw.Press:
+			events <- mkEvent("mo", "down", moX, moY)
+		case glfw.Release:
+			events <- mkEvent("mo", "up", moX, moY)
+		}
+	})
+
+	w.w.SetCursorPosCallback(func(_ *glfw.Window, x, y float64) {
+		moX, moY = int(x), int(y)
+		events <- mkEvent("mo", "move", moX, moY)
+	})
+
+	w.w.SetCharCallback(func(_ *glfw.Window, r rune) {
+		events <- mkEvent("kb", "type", r)
+	})
+
+	w.w.SetSizeCallback(func(_ *glfw.Window, width, height int) {
+		w.resize(width, height)
+		events <- mkEvent("wi", "resize", width, height)
+	})
+
+	w.w.SetCloseCallback(func(_ *glfw.Window) {
+		events <- mkEvent("wi", "close")
+		w.close()
+	})
+}
+
+func mkEvent(a ...interface{}) string {
+	s := make([]string, len(a))
+	for i := range s {
+		s[i] = fmt.Sprint(a[i])
+	}
+	return strings.Join(s, event.Sep)
+}