zorldo

window.go (5948B)

---

 // 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.
 
 //go:build (darwin || freebsd || linux || windows) && !android && !ios
 // +build darwin freebsd linux windows
 // +build !android
 // +build !ios
 
 package glfw
 
 import (
 	"image"
 
 	"github.com/hajimehoshi/ebiten/v2/internal/glfw"
 )
 
 type window struct {
 	ui *UserInterface
 }
 
 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 {
 		if w.ui.isNativeFullscreen() {
 			return nil
 		}
 
 		w.ui.setWindowDecorated(decorated)
 		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 {
 		if w.ui.isNativeFullscreen() {
 			return nil
 		}
 		w.ui.setWindowResizable(resizable)
 		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 {
 		if w.ui.isNativeFullscreen() {
 			return nil
 		}
 		w.ui.setWindowFloating(floating)
 		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.maximizeWindow()
 		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.iconifyWindow()
 		return nil
 	})
 }
 
 func (w *window) Restore() {
 	if !w.ui.isRunning() {
 		// Do nothing
 		return
 	}
 	_ = w.ui.t.Call(func() error {
 		w.ui.restoreWindow()
 		return nil
 	})
 }
 
 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() && !w.ui.isNativeFullscreenAvailable() {
 			wx, wy = w.ui.origPos()
 		} 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))
 		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 {
 		w.ui.setWindowPosition(x, y)
 		return nil
 	})
 }
 
 func (w *window) Size() (int, int) {
 	if !w.ui.isRunning() {
 		ww, wh := w.ui.getInitWindowSize()
 		return w.ui.adjustWindowSizeBasedOnSizeLimitsInDP(ww, wh)
 	}
 	ww, wh := 0, 0
 	_ = w.ui.t.Call(func() error {
 		ww = int(w.ui.fromGLFWPixel(float64(w.ui.windowWidth)))
 		wh = int(w.ui.fromGLFWPixel(float64(w.ui.windowHeight)))
 		return nil
 	})
 	return ww, wh
 }
 
 func (w *window) SetSize(width, height int) {
 	if !w.ui.isRunning() {
 		w.ui.setInitWindowSize(width, height)
 		return
 	}
 	_ = w.ui.t.Call(func() error {
 		// When a window is a native fullscreen, forcing to resize the window might leave unexpected image lags.
 		// Forbid this.
 		if w.ui.isNativeFullscreen() {
 			return nil
 		}
 
 		ww := int(w.ui.toGLFWPixel(float64(width)))
 		wh := int(w.ui.toGLFWPixel(float64(height)))
 		w.ui.setWindowSize(ww, wh, w.ui.isFullscreen())
 		return nil
 	})
 }
 
 func (w *window) SizeLimits() (minw, minh, maxw, maxh int) {
 	return w.ui.getWindowSizeLimitsInDP()
 }
 
 func (w *window) SetSizeLimits(minw, minh, maxw, maxh int) {
 	if !w.ui.setWindowSizeLimitsInDP(minw, minh, maxw, maxh) {
 		return
 	}
 	if !w.ui.isRunning() {
 		return
 	}
 
 	_ = w.ui.t.Call(func() error {
 		w.ui.updateWindowSizeLimits()
 		return nil
 	})
 }
 
 func (w *window) SetIcon(iconImages []image.Image) {
 	// The icons are actually set at (*UserInterface).loop.
 	w.ui.setIconImages(iconImages)
 }
 
 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.setWindowTitle(title)
 		return nil
 	})
 }
 
 func (w *window) IsBeingClosed() bool {
 	return w.ui.isWindowBeingClosed()
 }
 
 func (w *window) SetClosingHandled(handled bool) {
 	w.ui.setWindowClosingHandled(handled)
 }
 
 func (w *window) IsClosingHandled() bool {
 	return w.ui.isWindowClosingHandled()
 }