From 1eb8cf4ca2e49575ce93412ca535becea1fb8f11 Mon Sep 17 00:00:00 2001
From: Matthew Campbell <hyper@hyperworks.nu>
Date: Thu, 4 May 2017 01:50:57 +0900
Subject: [PATCH] Add fullscreen support, cmdline and toggle

---
 README.md      |  4 +++-
 main.go        | 25 +++++++++++++++++++++----
 ui/director.go |  2 +-
 ui/gameview.go | 19 ++++++++++++++++++-
 ui/menuview.go |  2 +-
 ui/run.go      | 16 +++++++++++++---
 ui/util.go     |  2 +-
 7 files changed, 58 insertions(+), 12 deletions(-)

diff --git a/README.md b/README.md
index 62a6bdc..f9c0536 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ http://www.michaelfogleman.com/static/nes/
 ### Dependencies
 
     github.com/go-gl/gl/v2.1/gl
-    github.com/go-gl/glfw/v3.1/glfw
+    github.com/go-gl/glfw/v3.2/glfw
     github.com/gordonklaus/portaudio
 
 The portaudio-go dependency requires PortAudio on your system:
@@ -68,6 +68,8 @@ Keyboard controls are indicated below.
 | B (Turbo)             | S           |
 | Reset                 | R           |
 
+Full Screen Mode - CRTL + F
+
 ### Mappers
 
 The following mappers have been implemented:
diff --git a/main.go b/main.go
index 81dcd80..8a7132a 100644
--- a/main.go
+++ b/main.go
@@ -6,22 +6,39 @@ import (
 	"os"
 	"path"
 	"strings"
+	"fmt"
 
 	"github.com/fogleman/nes/ui"
 )
 
 func main() {
 	log.SetFlags(0)
-	paths := getPaths()
+	args, fullscreen := extractFlags()
+	paths := getPaths(args)
 	if len(paths) == 0 {
 		log.Fatalln("no rom files specified or found")
 	}
-	ui.Run(paths)
+	ui.Run(paths, fullscreen)
 }
 
-func getPaths() []string {
+func extractFlags() ([]string, bool) {
+	args := os.Args
+
+	for i, x := range args {
+		//Probably should add a keyboard shortcut for this also
+		if x == "--fullscreen" {
+			a := append(args[:i], args[i+1:]...)
+			fmt.Printf("fullscreen - args - %v -- a %b", args, a)
+			return a, true
+		}
+	}
+
+	return args, false
+}
+
+func getPaths(argsv []string ) []string {
 	var arg string
-	args := os.Args[1:]
+	args := argsv[1:]
 	if len(args) == 1 {
 		arg = args[0]
 	} else {
diff --git a/ui/director.go b/ui/director.go
index eb4d730..2cf45cf 100644
--- a/ui/director.go
+++ b/ui/director.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/fogleman/nes/nes"
 	"github.com/go-gl/gl/v2.1/gl"
-	"github.com/go-gl/glfw/v3.1/glfw"
+	"github.com/go-gl/glfw/v3.2/glfw"
 )
 
 type View interface {
diff --git a/ui/gameview.go b/ui/gameview.go
index 7d17575..b7a87f9 100644
--- a/ui/gameview.go
+++ b/ui/gameview.go
@@ -5,7 +5,7 @@ import (
 
 	"github.com/fogleman/nes/nes"
 	"github.com/go-gl/gl/v2.1/gl"
-	"github.com/go-gl/glfw/v3.1/glfw"
+	"github.com/go-gl/glfw/v3.2/glfw"
 )
 
 const padding = 0
@@ -93,6 +93,10 @@ func (view *GameView) onKey(window *glfw.Window,
 			screenshot(view.console.Buffer())
 		case glfw.KeyR:
 			view.console.Reset()
+		case glfw.KeyF:
+			if mods == glfw.ModControl {
+ 				view.ToggleFullScreen(window)
+	 		}
 		case glfw.KeyTab:
 			if view.record {
 				view.record = false
@@ -105,6 +109,19 @@ func (view *GameView) onKey(window *glfw.Window,
 	}
 }
 
+func (view *GameView) ToggleFullScreen(window *glfw.Window) {
+	if window.GetMonitor() == nil {
+		monitor := glfw.GetPrimaryMonitor()
+		vid := monitor.GetVideoMode()
+		window.SetMonitor(monitor, 0, 0, vid.Width, vid.Height, 60)
+	} else {
+		//This actually requires glfw 3.3 to work perfectly on osx
+		//otherwise the window is not the right size
+		window.SetMonitor(nil, 0, 0, width*scale, height*scale, 0)
+	}
+}
+
+
 func drawBuffer(window *glfw.Window) {
 	w, h := window.GetFramebufferSize()
 	s1 := float32(w) / 256
diff --git a/ui/menuview.go b/ui/menuview.go
index 9099662..9df8869 100644
--- a/ui/menuview.go
+++ b/ui/menuview.go
@@ -6,7 +6,7 @@ import (
 
 	"github.com/fogleman/nes/nes"
 	"github.com/go-gl/gl/v2.1/gl"
-	"github.com/go-gl/glfw/v3.1/glfw"
+	"github.com/go-gl/glfw/v3.2/glfw"
 )
 
 const (
diff --git a/ui/run.go b/ui/run.go
index 45cb424..fd8987f 100644
--- a/ui/run.go
+++ b/ui/run.go
@@ -5,7 +5,7 @@ import (
 	"runtime"
 
 	"github.com/go-gl/gl/v2.1/gl"
-	"github.com/go-gl/glfw/v3.1/glfw"
+	"github.com/go-gl/glfw/v3.2/glfw"
 	"github.com/gordonklaus/portaudio"
 )
 
@@ -24,7 +24,7 @@ func init() {
 	runtime.LockOSThread()
 }
 
-func Run(paths []string) {
+func Run(paths []string, fullscreen bool) {
 	// initialize audio
 	portaudio.Initialize()
 	defer portaudio.Terminate()
@@ -44,10 +44,20 @@ func Run(paths []string) {
 	// create window
 	glfw.WindowHint(glfw.ContextVersionMajor, 2)
 	glfw.WindowHint(glfw.ContextVersionMinor, 1)
-	window, err := glfw.CreateWindow(width*scale, height*scale, title, nil, nil)
+	
+	var err error
+	var window *glfw.Window
+	if fullscreen == false {
+		window, err = glfw.CreateWindow(width*scale, height*scale, title, nil, nil)
+	} else {
+		monitor := glfw.GetPrimaryMonitor()
+		vid := monitor.GetVideoMode()
+		window, err = glfw.CreateWindow(vid.Width, vid.Height, title, monitor, nil)
+	}
 	if err != nil {
 		log.Fatalln(err)
 	}
+
 	window.MakeContextCurrent()
 
 	// initialize gl
diff --git a/ui/util.go b/ui/util.go
index 4423c4e..9d87e48 100644
--- a/ui/util.go
+++ b/ui/util.go
@@ -17,7 +17,7 @@ import (
 
 	"github.com/fogleman/nes/nes"
 	"github.com/go-gl/gl/v2.1/gl"
-	"github.com/go-gl/glfw/v3.1/glfw"
+	"github.com/go-gl/glfw/v3.2/glfw"
 )
 
 var homeDir string