diff options
Diffstat (limited to 'win/win.go')
| -rw-r--r-- | win/win.go | 69 |
1 files changed, 68 insertions, 1 deletions
@@ -13,6 +13,7 @@ import ( "github.com/go-gl/glfw/v3.2/glfw" ) +// Option is a functional option to the window constructor New. type Option func(*options) type options struct { @@ -21,12 +22,14 @@ type options struct { resizable bool } +// Title option sets the title (caption) of the window. func Title(title string) Option { return func(o *options) { o.title = title } } +// Size option sets the width and height of the window. func Size(width, height int) Option { return func(o *options) { o.width = width @@ -34,12 +37,16 @@ func Size(width, height int) Option { } } +// Resizable option makes the window resizable by the user. func Resizable() Option { return func(o *options) { o.resizable = true } } +// New creates a new window with all the supplied options. +// +// The default title is empty and the default size is 640x480. func New(opts ...Option) (*Win, error) { o := options{ title: "", @@ -100,6 +107,9 @@ func makeGLFWWin(o *options) (*glfw.Window, error) { return w, nil } +// Win is an Env that handles an actual graphical window. +// +// It receives its events from the OS and it draws to the surface of the window. type Win struct { eventsOut <-chan gui.Event eventsIn chan<- gui.Event @@ -112,7 +122,10 @@ type Win struct { img *image.RGBA } -func (w *Win) Events() <-chan gui.Event { return w.eventsOut } +// Events returns the events channel of the window. +func (w *Win) Events() <-chan gui.Event { return w.eventsOut } + +// Draw returns the draw channel of the window. func (w *Win) Draw() chan<- func(draw.Image) image.Rectangle { return w.draw } func (w *Win) eventThread() { @@ -132,6 +145,60 @@ func (w *Win) eventThread() { w.eventsIn <- gui.Eventf("mo/move/%d/%d", moX, moY) }) + w.w.SetKeyCallback(func(_ *glfw.Window, key glfw.Key, _ int, action glfw.Action, _ glfw.ModifierKey) { + k := -1 + + switch key { + case glfw.KeyLeft: + k = gui.KeyLeft + case glfw.KeyRight: + k = gui.KeyRight + case glfw.KeyUp: + k = gui.KeyUp + case glfw.KeyDown: + k = gui.KeyDown + case glfw.KeyEscape: + k = gui.KeyEscape + case glfw.KeySpace: + k = gui.KeySpace + case glfw.KeyBackspace: + k = gui.KeyBackspace + case glfw.KeyDelete: + k = gui.KeyDelete + case glfw.KeyEnter: + k = gui.KeyEnter + case glfw.KeyTab: + k = gui.KeyTab + case glfw.KeyHome: + k = gui.KeyHome + case glfw.KeyEnd: + k = gui.KeyEnd + case glfw.KeyPageUp: + k = gui.KeyPageUp + case glfw.KeyPageDown: + k = gui.KeyPageDown + case glfw.KeyLeftShift, glfw.KeyRightShift: + k = gui.KeyShift + case glfw.KeyLeftControl, glfw.KeyRightControl: + k = gui.KeyCtrl + case glfw.KeyLeftAlt, glfw.KeyRightAlt: + k = gui.KeyAlt + } + + if k == -1 { + return + } + + switch action { + case glfw.Press: + w.eventsIn <- gui.Eventf("kb/down/%d", k) + case glfw.Release: + w.eventsIn <- gui.Eventf("kb/up/%d", k) + case glfw.Repeat: + w.eventsIn <- gui.Eventf("kb/repeat/%d", k) + } + }) + w.w.SetCharCallback(func(_ *glfw.Window, r rune) { w.eventsIn <- gui.Eventf("kb/type/%d", r) }) |