github.com/cyrilou242/gomobile-java@v0.0.0-20220215185836-09daef25a210/event/paint/paint.go (about)

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Package paint defines an event for the app being ready to paint.
     6  //
     7  // See the github.com/cyrilou242/gomobile-java/app package for details on the event model.
     8  package paint // import "github.com/cyrilou242/gomobile-java/event/paint"
     9  
    10  // Event indicates that the app is ready to paint the next frame of the GUI.
    11  //
    12  //A frame is completed by calling the App's Publish method.
    13  type Event struct {
    14  	// External is true for paint events sent by the screen driver.
    15  	//
    16  	// An external event may be sent at any time in response to an
    17  	// operating system event, for example the window opened, was
    18  	// resized, or the screen memory was lost.
    19  	//
    20  	// Programs actively drawing to the screen as fast as vsync allows
    21  	// should ignore external paint events to avoid a backlog of paint
    22  	// events building up.
    23  	External bool
    24  }