Enable Linux support

cef/MainArgs.go

@@ -3,6 +3,8 @@ package cef
 import (
 	// #cgo darwin CFLAGS: -I/usr/local/cef
 	// #cgo darwin LDFLAGS: -framework Cocoa -F/usr/local/cef/Release -framework "Chromium Embedded Framework"
+	// #cgo linux CFLAGS: -I/usr/local/cef
+	// #cgo linux LDFLAGS: -L/usr/local/cef/Release -lcef
 	// #cgo windows pkg-config: cef
 	// #cgo windows LDFLAGS: -Wl,--subsystem,windows
 	// #include <stdlib.h>

cef/WindowInfo_linux.go

@@ -19,8 +19,6 @@ type WindowInfo struct {
 	Height int32
 	// ParentWindow (parent_window)
 	ParentWindow unsafe.Pointer
-	// Menu (menu)
-	Menu unsafe.Pointer
 	// WindowlessRenderingEnabled (windowless_rendering_enabled)
 	// Set to true (1) to create the browser using windowless (off-screen)
 	// rendering. No window will be created for the browser and all rendering will
@@ -33,31 +31,23 @@ type WindowInfo struct {
 	// Transparent painting is enabled by default but can be disabled by setting
 	// CefBrowserSettings.background_color to an opaque value.
 	WindowlessRenderingEnabled int32
-	// SharedTextEnabled (shared_texture_enabled)
-	// Set to true (1) to enable shared textures for windowless rendering. Only
-	// valid if windowless_rendering_enabled above is also set to true. Currently
-	// only supported on Windows (D3D11).
-	SharedTextureEnabled int32
-	// ExternalBeginFrameEnabled (external_begin_frame_enabled)
-	// Set to true (1) to enable the ability to issue BeginFrame requests from the
-	// client application by calling CefBrowserHost::SendExternalBeginFrame.
-	ExternalBeginFrameEnabled int32
 	// Window (window)
 	// Handle for the new browser window. Only used with windowed rendering.
 	Window unsafe.Pointer
 }
 
+func (d *WindowInfo) platformInit(parent unsafe.Pointer) {
+	d.ParentWindow = parent
+}
+
 func (d *WindowInfo) toNative(native *C.cef_window_info_t) *C.cef_window_info_t {
-	native.x = C.int(d.X)
-	native.y = C.int(d.Y)
-	native.width = C.int(d.Width)
-	native.height = C.int(d.Height)
-	native.parent_window = d.ParentWindow
-	native.menu = d.Menu
+	native.x = C.uint(d.X)
+	native.y = C.uint(d.Y)
+	native.width = C.uint(d.Width)
+	native.height = C.uint(d.Height)
+	native.parent_window = C.ulong(uintptr(d.ParentWindow))
 	native.windowless_rendering_enabled = C.int(d.WindowlessRenderingEnabled)
-	native.shared_texture_enabled = C.int(d.SharedTextureEnabled)
-	native.external_begin_frame_enabled = C.int(d.ExternalBeginFrameEnabled)
-	native.window = d.Window
+	native.window = C.ulong(uintptr(d.Window))
 	return native
 }
 
@@ -72,10 +62,7 @@ func (n *C.cef_window_info_t) intoGo(d *WindowInfo) {
 	d.Y = int32(n.y)
 	d.Width = int32(n.width)
 	d.Height = int32(n.height)
-	d.ParentWindow = unsafe.Pointer(n.parent_window)
-	d.Menu = unsafe.Pointer(n.menu)
+	d.ParentWindow = unsafe.Pointer(uintptr(n.parent_window))
 	d.WindowlessRenderingEnabled = int32(n.windowless_rendering_enabled)
-	d.SharedTextureEnabled = int32(n.shared_texture_enabled)
-	d.ExternalBeginFrameEnabled = int32(n.external_begin_frame_enabled)
-	d.Window = unsafe.Pointer(n.window)
+	d.Window = unsafe.Pointer(uintptr(n.window))
 }

internal/cmd/dist.go

@@ -78,8 +78,8 @@ func (d *dist) Run(cl *cmdline.CmdLine, args []string) error {
 	switch runtime.GOOS {
 	case "darwin":
 		d.distMacOS()
-	case "windows":
-		d.distWindows()
+	case "linux", "windows":
+		d.distNotMacOS()
 	default:
 		return fmt.Errorf("Unhandled OS: %s", runtime.GOOS)
 	}
@@ -190,7 +190,7 @@ func (d *dist) distMacOS() {
 	checkFileError(f.Close(), "write", plist)
 }
 
-func (d *dist) distWindows() {
+func (d *dist) distNotMacOS() {
 	copyDirContents(path.Join(installPrefix, "Release"), d.root)
 	copyDirContents(path.Join(installPrefix, "Resources"), d.root)
 }

internal/cmd/platform.go

@@ -18,6 +18,8 @@ func checkPlatform() {
 	switch runtime.GOOS {
 	case "darwin":
 		cefPlatform = "macosx64"
+	case "linux":
+		cefPlatform = "linux64"
 	case "windows":
 		if os.Getenv("MSYSTEM") != "MINGW64" {
 			fmt.Println("Windows is only supported through the use of MINGW64")