ebiten/internal/uidriver/glfw/window.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.
// +build darwin freebsd linux windows
// +build !js
// +build !android
// +build !ios
package glfw
import (
"image"
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"github.com/hajimehoshi/ebiten/v2/internal/glfw"
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)
type window struct {
ui *UserInterface
setPositionCalled bool
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}
func (w *window) IsDecorated() bool {
if !w.ui.isRunning() {
return w.ui.isInitWindowDecorated()
}
v := false
_ = w.ui.t.Call(func() error {
v = w.ui.window.GetAttrib(glfw.Decorated) == glfw.True
return nil
})
return v
}
func (w *window) SetDecorated(decorated bool) {
if !w.ui.isRunning() {
w.ui.setInitWindowDecorated(decorated)
return
}
_ = w.ui.t.Call(func() error {
v := glfw.False
if decorated {
v = glfw.True
}
w.ui.window.SetAttrib(glfw.Decorated, v)
// The title can be lost when the decoration is gone. Recover this.
if v == glfw.True {
w.ui.window.SetTitle(w.ui.title)
}
return nil
})
}
func (w *window) IsResizable() bool {
if !w.ui.isRunning() {
return w.ui.isInitWindowResizable()
}
v := false
_ = w.ui.t.Call(func() error {
v = w.ui.window.GetAttrib(glfw.Resizable) == glfw.True
return nil
})
return v
}
func (w *window) SetResizable(resizable bool) {
if !w.ui.isRunning() {
w.ui.setInitWindowResizable(resizable)
return
}
_ = w.ui.t.Call(func() error {
v := glfw.False
if resizable {
v = glfw.True
}
w.ui.window.SetAttrib(glfw.Resizable, v)
return nil
})
}
func (w *window) IsFloating() bool {
if !w.ui.isRunning() {
return w.ui.isInitWindowFloating()
}
var v bool
_ = w.ui.t.Call(func() error {
v = w.ui.window.GetAttrib(glfw.Floating) == glfw.True
return nil
})
return v
}
func (w *window) SetFloating(floating bool) {
if !w.ui.isRunning() {
w.ui.setInitWindowFloating(floating)
return
}
_ = w.ui.t.Call(func() error {
v := glfw.False
if floating {
v = glfw.True
}
w.ui.window.SetAttrib(glfw.Floating, v)
return nil
})
}
func (w *window) IsMaximized() bool {
if !w.ui.isRunning() {
return w.ui.isInitWindowMaximized()
}
var v bool
_ = w.ui.t.Call(func() error {
v = w.ui.window.GetAttrib(glfw.Maximized) == glfw.True
return nil
})
return v
}
func (w *window) Maximize() {
if !w.IsResizable() {
panic("glfw: a window to maximize must be resizable")
}
if !w.ui.isRunning() {
w.ui.setInitWindowMaximized(true)
return
}
_ = w.ui.t.Call(func() error {
w.ui.window.Maximize()
return nil
})
}
func (w *window) IsMinimized() bool {
if !w.ui.isRunning() {
return false
}
var v bool
_ = w.ui.t.Call(func() error {
v = w.ui.window.GetAttrib(glfw.Iconified) == glfw.True
return nil
})
return v
}
func (w *window) Minimize() {
if !w.ui.isRunning() {
// Do nothing
return
}
_ = w.ui.t.Call(func() error {
w.ui.window.Iconify()
return nil
})
}
func (w *window) Restore() {
if !w.ui.isRunning() {
// Do nothing
return
}
_ = w.ui.t.Call(func() error {
w.ui.window.Restore()
return nil
})
}
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func (w *window) Position() (int, int) {
if !w.ui.isRunning() {
panic("glfw: WindowPosition can't be called before the main loop starts")
}
x, y := 0, 0
_ = w.ui.t.Call(func() error {
var wx, wy int
if w.ui.isFullscreen() {
wx, wy = w.ui.origPosX, w.ui.origPosY
} else {
wx, wy = w.ui.window.GetPos()
}
mx, my := currentMonitor(w.ui.window).GetPos()
wx -= mx
wy -= my
xf := w.ui.fromGLFWPixel(float64(wx))
yf := w.ui.fromGLFWPixel(float64(wy))
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x, y = int(xf), int(yf)
return nil
})
return x, y
}
func (w *window) SetPosition(x, y int) {
if !w.ui.isRunning() {
w.ui.setInitWindowPosition(x, y)
return
}
_ = w.ui.t.Call(func() error {
defer func() {
w.setPositionCalled = true
}()
mx, my := currentMonitor(w.ui.window).GetPos()
xf := w.ui.toGLFWPixel(float64(x))
yf := w.ui.toGLFWPixel(float64(y))
x, y := w.ui.adjustWindowPosition(mx+int(xf), my+int(yf))
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if w.ui.isFullscreen() {
w.ui.origPosX, w.ui.origPosY = x, y
} else {
w.ui.window.SetPos(x, y)
}
return nil
})
}
func (w *window) Size() (int, int) {
if !w.ui.isRunning() {
return w.ui.getInitWindowSize()
}
ww := int(w.ui.fromGLFWPixel(float64(w.ui.windowWidth)))
wh := int(w.ui.fromGLFWPixel(float64(w.ui.windowHeight)))
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return ww, wh
}
func (w *window) SetSize(width, height int) {
if !w.ui.isRunning() {
w.ui.setInitWindowSize(width, height)
return
}
ww := int(w.ui.toGLFWPixel(float64(width)))
wh := int(w.ui.toGLFWPixel(float64(height)))
w.ui.setWindowSize(ww, wh, w.ui.isFullscreen())
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}
func (w *window) SetIcon(iconImages []image.Image) {
if !w.ui.isRunning() {
w.ui.setInitIconImages(iconImages)
return
}
_ = w.ui.t.Call(func() error {
w.ui.window.SetIcon(iconImages)
return nil
})
}
func (w *window) SetTitle(title string) {
if !w.ui.isRunning() {
w.ui.setInitTitle(title)
return
}
w.ui.title = title
_ = w.ui.t.Call(func() error {
w.ui.window.SetTitle(title)
return nil
})
}