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Diffstat (limited to 'usr/rsc/draw/event.go')
-rw-r--r-- | usr/rsc/draw/event.go | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/usr/rsc/draw/event.go b/usr/rsc/draw/event.go deleted file mode 100644 index b5bce5078..000000000 --- a/usr/rsc/draw/event.go +++ /dev/null @@ -1,47 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package draw - -// A Context represents a single graphics window. -type Context interface { - // Screen returns an editable Image of window. - Screen() Image; - - // FlushImage flushes changes made to Screen() back to screen. - FlushImage(); - - // KeyboardChan returns a channel carrying keystrokes. - // An event is sent each time a key is pressed or released. - // The value k represents key k being pressed. - // The value -k represents key k being released. - // The specific set of key values is not specified, - // but ordinary character represent themselves. - KeyboardChan() <-chan int; - - // MouseChan returns a channel carrying mouse events. - // A new event is sent each time the mouse moves or a - // button is pressed or released. - MouseChan() <-chan Mouse; - - // ResizeChan returns a channel carrying resize events. - // An event is sent each time the window is resized; - // the client should respond by calling Screen() to obtain - // the new screen image. - // The value sent on the channel is always ``true'' and can be ignored. - ResizeChan() <-chan bool; - - // QuitChan returns a channel carrying quit requests. - // After reading a value from the quit channel, the application - // should exit. - QuitChan() <-chan bool; -} - -// A Mouse represents the state of the mouse. -type Mouse struct { - Buttons int; // bit mask of buttons: 1<<0 is left, 1<<1 middle, 1<<2 right - Point; // location of cursor - Nsec int64; // time stamp -} - |