ebiten/internal/driver/ui.go

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// Copyright 2019 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package driver
import (
"errors"
"image"
)
type UIContext interface {
Update(afterFrameUpdate func()) error
Draw() error
Layout(outsideWidth, outsideHeight float64)
AdjustPosition(x, y float64) (float64, float64)
}
// RegularTermination represents a regular termination.
// Run can return this error, and if this error is received,
// the game loop should be terminated as soon as possible.
var RegularTermination = errors.New("regular termination")
type UI interface {
Run(context UIContext) error
RunWithoutMainLoop(context UIContext)
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DeviceScaleFactor() float64
CursorMode() CursorMode
IsFullscreen() bool
IsFocused() bool
IsRunnableOnUnfocused() bool
IsVsyncEnabled() bool
ScreenSizeInFullscreen() (int, int)
IsScreenTransparent() bool
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SetCursorMode(mode CursorMode)
SetFullscreen(fullscreen bool)
SetRunnableOnUnfocused(runnableOnUnfocused bool)
SetVsyncEnabled(enabled bool)
SetScreenTransparent(transparent bool)
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Input() Input
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Window() Window
Graphics() Graphics
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}
type Window interface {
IsDecorated() bool
SetDecorated(decorated bool)
IsResizable() bool
SetResizable(resizable bool)
Position() (int, int)
SetPosition(x, y int)
Size() (int, int)
SetSize(width, height int)
IsFloating() bool
SetFloating(floating bool)
Maximize()
IsMaximized() bool
Minimize()
IsMinimized() bool
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SetIcon(iconImages []image.Image)
SetTitle(title string)
Restore()
}