v1.16.0

This reverts commit 17b28a26bd.

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [leaanthony]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/latest-pre.yml

@@ -13,10 +13,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.13
+    - name: Set up Go 1.16
       uses: actions/setup-go@v1
       with:
-        go-version: 1.13
+        go-version: 1.16
       id: go
 
     - name: Check out code into the Go module directory

.github/workflows/pr.yml

@@ -13,10 +13,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.13
+    - name: Set up Go 1.16
       uses: actions/setup-go@v1
       with:
-        go-version: 1.13
+        go-version: 1.16
       id: go
 
     - name: Check out code into the Go module directory

.github/workflows/release.yml

@@ -15,10 +15,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
 
-    - name: Set up Go 1.13
+    - name: Set up Go 1.16
       uses: actions/setup-go@v1
       with:
-        go-version: 1.13
+        go-version: 1.16
       id: go
 
     - name: Check out code into the Go module directory

README.md

@@ -35,8 +35,14 @@ The official docs can be found at [https://wails.app](https://wails.app).
 This project is supported by these kind people:
 
 <a href="https://pace.dev" style="width:100px"><img src="pace.jpeg" width="100"/></a>
-<a href="https://github.com/tc-hib" style="width:50px">
+<a href="https://github.com/tc-hib" style="width:50px;border-radius: 50%">
-  <img src="https://github.com/tc-hib.png?size=50" width="50"/>
+  <img src="https://github.com/tc-hib.png?size=50" width="50" style="border-radius: 50%"/>
+</a>
+<a href="https://github.com/picatz" style="width:50px;border-radius: 50%">
+  <img src="https://github.com/picatz.png?size=50" width="50" style="border-radius: 50%"/>
+</a>
+<a href="https://github.com/tylertravisty" style="width:50px;border-radius: 50%">
+  <img src="https://github.com/tylertravisty.png?size=50" width="50" style="border-radius: 50%"/>
 </a>
 
 ## Installation

cmd/github.go

@@ -24,7 +24,7 @@ func (g *GitHubHelper) GetVersionTags() ([]*SemanticVersion, error) {
 	result := []*SemanticVersion{}
 	var err error
 
-	resp, err := http.Get("https://api.github.com/repos/wailsapp/wails/tags")
+	resp, err := http.Get("https://api.github.com/repos/wailsapp/wails/releases")
 	if err != nil {
 		return result, err
 	}

cmd/helpers.go

@@ -2,7 +2,6 @@ package cmd
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"os/user"
@@ -12,10 +11,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/leaanthony/mewn"
-	"github.com/leaanthony/mewn/lib"
 	"github.com/leaanthony/slicer"
 	"github.com/leaanthony/spinner"
+	wailsruntime "github.com/wailsapp/wails/runtime"
 )
 
 const xgoVersion = "1.0.1"
@@ -61,30 +59,6 @@ func InstallGoDependencies(verbose bool) error {
 	return nil
 }
 
-// EmbedAssets will embed the built frontend assets via mewn.
-func EmbedAssets() ([]string, error) {
-	mewnFiles := lib.GetMewnFiles([]string{}, false)
-
-	referencedAssets, err := lib.GetReferencedAssets(mewnFiles)
-	if err != nil {
-		return []string{}, err
-	}
-
-	targetFiles := []string{}
-
-	for _, referencedAsset := range referencedAssets {
-		packfileData, err := lib.GeneratePackFileString(referencedAsset, false)
-		if err != nil {
-			return []string{}, err
-		}
-		targetFile := filepath.Join(referencedAsset.BaseDir, referencedAsset.PackageName+"-mewn.go")
-		targetFiles = append(targetFiles, targetFile)
-		ioutil.WriteFile(targetFile, []byte(packfileData), 0644)
-	}
-
-	return targetFiles, nil
-}
-
 func InitializeCrossCompilation(verbose bool) error {
 	// Check Docker
 	if err := CheckIfInstalled("docker"); err != nil {
@@ -127,7 +101,10 @@ func BuildDocker(binaryName string, buildMode string, projectOptions *ProjectOpt
 	// Check build directory
 	buildDirectory := filepath.Join(fs.Cwd(), "build")
 	if !fs.DirExists(buildDirectory) {
-		fs.MkDir(buildDirectory)
+		err := fs.MkDir(buildDirectory)
+		if err != nil {
+			return err
+		}
 	}
 
 	buildCommand := slicer.String()
@@ -198,11 +175,6 @@ func BuildDocker(binaryName string, buildMode string, projectOptions *ProjectOpt
 // BuildNative builds on the target platform itself.
 func BuildNative(binaryName string, forceRebuild bool, buildMode string, projectOptions *ProjectOptions) error {
 
-	// Check Mewn is installed
-	if err := CheckMewn(projectOptions.Verbose); err != nil {
-		return err
-	}
-
 	if err := CheckWindres(); err != nil {
 		return err
 	}
@@ -275,12 +247,6 @@ func BuildNative(binaryName string, forceRebuild bool, buildMode string, project
 func BuildApplication(binaryName string, forceRebuild bool, buildMode string, packageApp bool, projectOptions *ProjectOptions) error {
 	var err error
 
-	// embed resources
-	targetFiles, err := EmbedAssets()
-	if err != nil {
-		return err
-	}
-
 	if projectOptions.CrossCompile {
 		if err := InitializeCrossCompilation(projectOptions.Verbose); err != nil {
 			return err
@@ -296,20 +262,6 @@ func BuildApplication(binaryName string, forceRebuild bool, buildMode string, pa
 		}
 	}
 
-	// cleanup temporary embedded assets
-	defer func() {
-		for _, filename := range targetFiles {
-			if err := os.Remove(filename); err != nil {
-				fmt.Println(err)
-			}
-		}
-		// Removed by popular demand
-		// TODO: Potentially add a flag to cleanup
-		// if projectOptions.Platform == "windows" {
-		// 	helper.CleanWindows(projectOptions)
-		// }
-	}()
-
 	if projectOptions.CrossCompile {
 		err = BuildDocker(binaryName, buildMode, projectOptions)
 	} else {
@@ -374,30 +326,6 @@ func BuildFrontend(projectOptions *ProjectOptions) error {
 	return nil
 }
 
-// CheckMewn checks if mewn is installed and if not, attempts to fetch it
-func CheckMewn(verbose bool) (err error) {
-	programHelper := NewProgramHelper(verbose)
-	if !programHelper.IsInstalled("mewn") {
-		var buildSpinner *spinner.Spinner
-		if !verbose {
-			buildSpinner = spinner.New()
-			buildSpinner.SetSpinSpeed(50)
-			buildSpinner.Start("Installing Mewn asset packer...")
-		}
-		err := programHelper.InstallGoPackage("github.com/leaanthony/mewn/cmd/mewn")
-		if err != nil {
-			if buildSpinner != nil {
-				buildSpinner.Error()
-			}
-			return err
-		}
-		if buildSpinner != nil {
-			buildSpinner.Success()
-		}
-	}
-	return nil
-}
-
 // CheckWindres checks if Windres is installed and if not, aborts
 func CheckWindres() (err error) {
 	if runtime.GOOS != "windows" { // FIXME: Handle windows cross-compile for windows!
@@ -493,11 +421,18 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 		}
 
 		// Update md5sum file
-		ioutil.WriteFile(md5sumFile, []byte(packageJSONMD5), 0644)
+		err := os.WriteFile(md5sumFile, []byte(packageJSONMD5), 0644)
+		if err != nil {
+			return err
+		}
 	}
 
 	// Install the runtime
-	err = InstallRuntime(caller, projectDir, projectOptions)
+	if caller == "build" {
+		err = InstallProdRuntime(projectDir, projectOptions)
+	} else {
+		err = InstallBridge(projectDir, projectOptions)
+	}
 	if err != nil {
 		return err
 	}
@@ -510,28 +445,17 @@ func InstallFrontendDeps(projectDir string, projectOptions *ProjectOptions, forc
 	return nil
 }
 
-// InstallRuntime installs the correct runtime for the type of build
-func InstallRuntime(caller string, projectDir string, projectOptions *ProjectOptions) error {
-	if caller == "build" {
-		return InstallProdRuntime(projectDir, projectOptions)
-	}
-
-	return InstallBridge(projectDir, projectOptions)
-}
-
 // InstallBridge installs the relevant bridge javascript library
 func InstallBridge(projectDir string, projectOptions *ProjectOptions) error {
-	bridgeFileData := mewn.String("../runtime/assets/bridge.js")
 	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, "node_modules", "@wailsapp", "runtime", "init.js")
-	err := fs.CreateFile(bridgeFileTarget, []byte(bridgeFileData))
+	err := fs.CreateFile(bridgeFileTarget, wailsruntime.BridgeJS)
 	return err
 }
 
 // InstallProdRuntime installs the production runtime
 func InstallProdRuntime(projectDir string, projectOptions *ProjectOptions) error {
-	prodInit := mewn.String("../runtime/js/runtime/init.js")
 	bridgeFileTarget := filepath.Join(projectDir, projectOptions.FrontEnd.Dir, "node_modules", "@wailsapp", "runtime", "init.js")
-	err := fs.CreateFile(bridgeFileTarget, []byte(prodInit))
+	err := fs.CreateFile(bridgeFileTarget, wailsruntime.InitJS)
 	return err
 }
 

cmd/templates/angular-template/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"github.com/leaanthony/mewn"
+    _ "embed"
 	"github.com/wailsapp/wails"
 )
 
@@ -9,10 +9,13 @@ func basic() string {
 	return "World!"
 }
 
-func main() {
+//go:embed frontend/dist/my-app/main.js
+var js string
 
-	js := mewn.String("./frontend/dist/my-app/main.js")
+//go:embed frontend/dist/my-app/styles.css
-	css := mewn.String("./frontend/dist/my-app/styles.css")
+var css string
+
+func main() {
 
 	app := wails.CreateApp(&wails.AppConfig{
 		Width:  1024,

cmd/templates/create-react-app/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  "github.com/leaanthony/mewn"
+  _ "embed"
   "github.com/wailsapp/wails"
 )
 
@@ -9,10 +9,13 @@ func basic() string {
   return "World!"
 }
 
-func main() {
+//go:embed frontend/build/static/js/main.js
+var js string
 
-  js := mewn.String("./frontend/build/static/js/main.js")
+//go:embed frontend/build/static/css/main.css
-  css := mewn.String("./frontend/build/static/css/main.css")
+var css string
+
+func main() {
 
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,

cmd/templates/svelte/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"github.com/leaanthony/mewn"
+    _ "embed"
 	"github.com/wailsapp/wails"
 )
 
@@ -9,9 +9,13 @@ func basic() string {
 	return "World!"
 }
 
+//go:embed frontend/public/build/bundle.js
+var js string
+
+//go:embed frontend/public/build/bundle.css
+var css string
+
 func main() {
-	js := mewn.String("./frontend/public/build/bundle.js")
-	css := mewn.String("./frontend/public/build/bundle.css")
 
 	app := wails.CreateApp(&wails.AppConfig{
 		Width:  1024,

cmd/templates/vanilla/main.go.template

@@ -1,14 +1,17 @@
 package main
 
 import (
-  "github.com/leaanthony/mewn"
+  _ "embed"
   "github.com/wailsapp/wails"
 )
 
-func main() {
+//go:embed frontend/build/main.js
+var js string
 
-	js := mewn.String("./frontend/build/main.js")
+//go:embed frontend/build/main.css
-	css := mewn.String("./frontend/build/main.css")
+var css string
+
+func main() {
 
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,

cmd/templates/vue3-full/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  "github.com/leaanthony/mewn"
+  _ "embed"
   "github.com/wailsapp/wails"
 )
 
@@ -9,10 +9,13 @@ func basic() string {
   return "Hello World!"
 }
 
-func main() {
+//go:embed frontend/dist/app.js
+var js string
 
-  js := mewn.String("./frontend/dist/app.js")
+//go:embed frontend/dist/app.css
-  css := mewn.String("./frontend/dist/app.css")
+var css string
+
+func main() {
 
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,

cmd/templates/vuebasic/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  "github.com/leaanthony/mewn"
+  _ "embed"
   "github.com/wailsapp/wails"
 )
 
@@ -9,10 +9,13 @@ func basic() string {
   return "Hello World!"
 }
 
-func main() {
+//go:embed frontend/dist/app.js
+var js string
 
-  js := mewn.String("./frontend/dist/app.js")
+//go:embed frontend/dist/app.css
-  css := mewn.String("./frontend/dist/app.css")
+var css string
+
+func main() {
 
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,

cmd/templates/vuetify-basic/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  "github.com/leaanthony/mewn"
+  _ "embed"
   "github.com/wailsapp/wails"
 )
 
@@ -9,10 +9,13 @@ func basic() string {
   return "Hello World!"
 }
 
-func main() {
+//go:embed frontend/dist/app.js
+var js string
 
-  js := mewn.String("./frontend/dist/app.js")
+//go:embed frontend/dist/app.css
-  css := mewn.String("./frontend/dist/app.css")
+var css string
+
+func main() {
 
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,

cmd/templates/vuetify2-basic/main.go.template

@@ -1,7 +1,7 @@
 package main
 
 import (
-  "github.com/leaanthony/mewn"
+  _ "embed"
   "github.com/wailsapp/wails"
 )
 
@@ -9,10 +9,13 @@ func basic() string {
   return "Hello World!"
 }
 
-func main() {
+//go:embed frontend/dist/app.js
+var js string
 
-  js := mewn.String("./frontend/dist/app.js")
+//go:embed frontend/dist/app.css
-  css := mewn.String("./frontend/dist/app.css")
+var css string
+
+func main() {
 
   app := wails.CreateApp(&wails.AppConfig{
     Width:  1024,

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v1.12.2"
+const Version = "v1.16.0"

cmd/wails/0_setup.go

@@ -39,12 +39,6 @@ Create your first project by running 'wails init'.`
 			return err
 		}
 
-		// Check Mewn
-		err = cmd.CheckMewn(false)
-		if err != nil {
-			return err
-		}
-
 		// Check for errors
 		// CheckDependencies() returns !errors
 		// so to get the right message in this

cmd/wails/4_build.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"log"
 	"os"
 	"runtime"
 	"strings"
@@ -52,7 +53,10 @@ func init() {
 
 	var b strings.Builder
 	for _, plat := range getSupportedPlatforms() {
-		fmt.Fprintf(&b, " - %s\n", plat)
+		_, err := fmt.Fprintf(&b, " - %s\n", plat)
+		if err != nil {
+			log.Fatal(err)
+		}
 	}
 	initCmd.StringFlag("x",
 		fmt.Sprintf("Cross-compile application to specified platform via xgo\n%s", b.String()),
@@ -80,7 +84,7 @@ func init() {
 		fs := cmd.NewFSHelper()
 		err := projectOptions.LoadConfig(fs.Cwd())
 		if err != nil {
-			return fmt.Errorf("Unable to find 'project.json'. Please check you are in a Wails project directory")
+			return fmt.Errorf("unable to find 'project.json'. Please check you are in a Wails project directory")
 		}
 
 		// Set firebug flag
@@ -143,12 +147,6 @@ func init() {
 			if err != nil {
 				return err
 			}
-
-			// Ensure that runtime init.js is the production version
-			err = cmd.InstallProdRuntime(projectDir, projectOptions)
-			if err != nil {
-				return err
-			}
 		}
 
 		// Move to project directory

cmd/wails/6_serve.go

@@ -27,19 +27,13 @@ func init() {
 		logger.PrintSmallBanner(message)
 		fmt.Println()
 
-		// Check Mewn is installed
-		err := cmd.CheckMewn(verbose)
-		if err != nil {
-			return err
-		}
-
 		// Project options
 		projectOptions := &cmd.ProjectOptions{}
 
 		// Check we are in project directory
 		// Check project.json loads correctly
 		fs := cmd.NewFSHelper()
-		err = projectOptions.LoadConfig(fs.Cwd())
+		err := projectOptions.LoadConfig(fs.Cwd())
 		if err != nil {
 			return err
 		}

config.go

@@ -31,6 +31,18 @@ type AppConfig struct {
 	// Indicates whether your app should be resizable
 	Resizable bool
 
+	// Minimum width of a resizable window. If set, MinHeight should also be set.
+	MinWidth int
+
+	// Minimum height of a resizable window. If set, MinWidth should also be set.
+	MinHeight int
+
+	// Maximum width of a resizable window. If set, MaxHeight should also be set.
+	MaxWidth int
+
+	// Maximum height of a resizable window. If set, MaxWidth should also be set.
+	MaxHeight int
+
 	// Indicated if the devtools should be disabled
 	DisableInspector bool
 }
@@ -65,6 +77,26 @@ func (a *AppConfig) GetResizable() bool {
 	return a.Resizable
 }
 
+// GetMinWidth returns the minimum width of the window
+func (a *AppConfig) GetMinWidth() int {
+	return a.MinWidth
+}
+
+// GetMinHeight returns the minimum height of the window
+func (a *AppConfig) GetMinHeight() int {
+	return a.MinHeight
+}
+
+// GetMaxWidth returns the maximum width of the window
+func (a *AppConfig) GetMaxWidth() int {
+	return a.MaxWidth
+}
+
+// GetMaxHeight returns the maximum height of the window
+func (a *AppConfig) GetMaxHeight() int {
+	return a.MaxHeight
+}
+
 // GetDisableInspector returns true if the inspector should be disabled
 func (a *AppConfig) GetDisableInspector() bool {
 	return a.DisableInspector
@@ -115,6 +147,23 @@ func (a *AppConfig) merge(in *AppConfig) error {
 	if in.Height != 0 {
 		a.Height = in.Height
 	}
+
+	if in.MinWidth != 0 {
+		a.MinWidth = in.MinWidth
+	}
+
+	if in.MinHeight != 0 {
+		a.MinHeight = in.MinHeight
+	}
+
+	if in.MaxWidth != 0 {
+		a.MaxWidth = in.MaxWidth
+	}
+
+	if in.MaxHeight != 0 {
+		a.MaxHeight = in.MaxHeight
+	}
+
 	a.Resizable = in.Resizable
 	a.DisableInspector = in.DisableInspector
 
@@ -127,6 +176,10 @@ func newConfig(userConfig *AppConfig) (*AppConfig, error) {
 		Width:     800,
 		Height:    600,
 		Resizable: true,
+		MinWidth:  -1,
+		MinHeight: -1,
+		MaxWidth:  -1,
+		MaxHeight: -1,
 		Title:     "My Wails App",
 		Colour:    "#FFF", // White by default
 		HTML:      defaultHTML,

go.mod

@@ -9,7 +9,6 @@ require (
 	github.com/jackmordaunt/icns v1.0.0
 	github.com/kennygrant/sanitize v1.2.4
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
-	github.com/leaanthony/mewn v0.10.7
 	github.com/leaanthony/slicer v1.4.0
 	github.com/leaanthony/spinner v0.5.3
 	github.com/mattn/go-colorable v0.1.1 // indirect
@@ -28,4 +27,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.0-20190709130402-674ba3eaed22
 )
 
-go 1.13
+go 1.16

go.sum

@@ -26,8 +26,6 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.2 h1:DB17ag19krx9CFsz4o3
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/pty v1.1.1 h1:VkoXIwSboBpnk99O/KFauAEILuNHv5DVFKZMBN/gUgw=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/leaanthony/mewn v0.10.7 h1:jCcNJyIUOpwj+I5SuATvCugDjHkoo+j6ubEOxxrxmPA=
-github.com/leaanthony/mewn v0.10.7/go.mod h1:CRkTx8unLiSSilu/Sd7i1LwrdaAL+3eQ3ses99qGMEQ=
 github.com/leaanthony/slicer v1.4.0 h1:Q9u4w+UBU4WHjXnEDdz+eRLMKF/rnyosRBiqULnc1J8=
 github.com/leaanthony/slicer v1.4.0/go.mod h1:FwrApmf8gOrpzEWM2J/9Lh79tyq8KTX5AzRtwV7m4AY=
 github.com/leaanthony/spinner v0.5.3 h1:IMTvgdQCec5QA4qRy0wil4XsRP+QcG1OwLWVK/LPZ5Y=
@@ -66,7 +64,6 @@ github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba h1:2DHfQOxcpWdGf5
 github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba/go.mod h1:iLnlXG2Pakcii2CU0cbY07DRCSvpWNa7nFxtevhOChk=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/image v0.0.0-20200430140353-33d19683fad8 h1:6WW6V3x1P/jokJBpRQYUJnMHRP6isStQwCozxnU7XQw=
 golang.org/x/image v0.0.0-20200430140353-33d19683fad8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=

lib/interfaces/appconfig.go

@@ -5,6 +5,10 @@ type AppConfig interface {
 	GetWidth() int
 	GetHeight() int
 	GetTitle() string
+	GetMinWidth() int
+	GetMinHeight() int
+	GetMaxWidth() int
+	GetMaxHeight() int
 	GetResizable() bool
 	GetHTML() string
 	GetDisableInspector() bool

lib/interfaces/renderer.go

@@ -22,6 +22,10 @@ type Renderer interface {
 
 	// Window Runtime
 	SetColour(string) error
+
+	SetMinSize(width, height int)
+	SetMaxSize(width, height int)
+
 	Fullscreen()
 	UnFullscreen()
 	SetTitle(title string)

lib/interfaces/runtime.go

@@ -1,4 +1,4 @@
 package interfaces
 
 // Runtime interface
-type Runtime interface {}
+type Runtime interface{}

lib/renderer/bridge/bridge.go

@@ -186,6 +186,18 @@ func (h *Bridge) SetColour(colour string) error {
 	return nil
 }
 
+// SetMinSize is unsupported for Bridge but required
+// for the Renderer interface
+func (h *Bridge) SetMinSize(width, height int) {
+	h.log.Warn("SetMinSize() unsupported in bridge mode")
+}
+
+// SetMaxSize is unsupported for Bridge but required
+// for the Renderer interface
+func (h *Bridge) SetMaxSize(width, height int) {
+	h.log.Warn("SetMaxSize() unsupported in bridge mode")
+}
+
 // Fullscreen is unsupported for Bridge but required
 // for the Renderer interface
 func (h *Bridge) Fullscreen() {

lib/renderer/bridge/session.go

@@ -3,8 +3,9 @@ package renderer
 import (
 	"time"
 
+	"github.com/wailsapp/wails/runtime"
+
 	"github.com/gorilla/websocket"
-	"github.com/leaanthony/mewn"
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 )
@@ -58,8 +59,7 @@ func (s *session) start(firstSession bool) {
 	s.log.Infof("Connected to frontend.")
 	go s.writePump()
 
-	wailsRuntime := mewn.String("../../runtime/assets/wails.js")
+	s.evalJS(runtime.WailsJS, wailsRuntimeMessage)
-	s.evalJS(wailsRuntime, wailsRuntimeMessage)
 
 	// Inject bindings
 	for _, binding := range s.bindingCache {

lib/renderer/webview.go

@@ -8,8 +8,9 @@ import (
 	"sync"
 	"time"
 
+	"github.com/wailsapp/wails/runtime"
+
 	"github.com/go-playground/colors"
-	"github.com/leaanthony/mewn"
 	"github.com/wailsapp/wails/lib/interfaces"
 	"github.com/wailsapp/wails/lib/logger"
 	"github.com/wailsapp/wails/lib/messages"
@@ -29,6 +30,7 @@ type WebView struct {
 	config       interfaces.AppConfig
 	eventManager interfaces.EventManager
 	bindingCache []string
+	maximumSizeSet bool
 }
 
 // NewWebView returns a new WebView struct
@@ -52,10 +54,37 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 	// Save the config
 	w.config = config
 
+	width := config.GetWidth()
+	height := config.GetHeight()
+
+	// Clamp width and height
+	minWidth, minHeight := config.GetMinWidth(), config.GetMinHeight()
+	maxWidth, maxHeight := config.GetMaxWidth(), config.GetMaxHeight()
+	setMinSize := minWidth != -1 && minHeight != -1
+	setMaxSize := maxWidth != -1 && maxHeight != -1
+
+	if setMinSize {
+		if width < minWidth {
+			width = minWidth
+		}
+		if height < minHeight {
+			height = minHeight
+		}
+	}
+
+	if setMaxSize {
+		if width > maxWidth {
+			width = maxWidth
+		}
+		if height > maxHeight {
+			height = maxHeight
+		}
+	}
+
 	// Create the WebView instance
 	w.window = wv.NewWebview(wv.Settings{
-		Width:     config.GetWidth(),
+		Width:     width,
-		Height:    config.GetHeight(),
+		Height:    height,
 		Title:     config.GetTitle(),
 		Resizable: config.GetResizable(),
 		URL:       config.GetHTML(),
@@ -64,6 +93,24 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 			w.ipc.Dispatch(message, w.callback)
 		},
 	})
+		fmt.Println("Control")
+
+	// Set minimum and maximum sizes
+	if setMinSize {
+		w.SetMinSize(minWidth, minHeight)
+	}
+	if setMaxSize {
+		w.SetMaxSize(maxWidth, maxHeight)
+		fmt.Println("Max")
+	}
+
+	// Set minimum and maximum sizes
+	if setMinSize {
+		w.SetMinSize(minWidth, minHeight)
+	}
+	if setMaxSize {
+		w.SetMaxSize(maxWidth, maxHeight)
+	}
 
 	// SignalManager.OnExit(w.Exit)
 
@@ -74,6 +121,7 @@ func (w *WebView) Initialise(config interfaces.AppConfig, ipc interfaces.IPCMana
 	}
 
 	w.log.Info("Initialised")
+
 	return nil
 }
 
@@ -183,8 +231,8 @@ func (w *WebView) Run() error {
 	}
 
 	// Runtime assets
-	wailsRuntime := mewn.String("../../runtime/assets/wails.js")
+	w.log.DebugFields("Injecting wails JS runtime", logger.Fields{"js": runtime.WailsJS})
-	w.evalJS(wailsRuntime)
+	w.evalJS(runtime.WailsJS)
 
 	// Ping the wait channel when the wails runtime is loaded
 	w.eventManager.On("wails:loaded", func(...interface{}) {
@@ -207,10 +255,9 @@ func (w *WebView) Run() error {
 				w.injectCSS(w.config.GetCSS())
 			} else {
 				// Use default wails css
-				w.log.Debug("Injecting Default Wails CSS")
-				defaultCSS := mewn.String("../../runtime/assets/wails.css")
 
-				w.injectCSS(defaultCSS)
+				w.log.Debug("Injecting Default Wails CSS: " + runtime.WailsCSS)
+				w.injectCSS(runtime.WailsCSS)
 			}
 
 			// Inject user JS
@@ -353,11 +400,37 @@ func (w *WebView) NotifyEvent(event *messages.EventData) error {
 	return w.evalJS(message)
 }
 
+// SetMinSize sets the minimum size of a resizable window
+func (w *WebView) SetMinSize(width, height int) {
+	if w.config.GetResizable() == false {
+		w.log.Warn("Cannot call SetMinSize() - App.Resizable = false")
+		return
+	}
+	w.window.Dispatch(func() {
+		w.window.SetMinSize(width, height)
+	})
+}
+
+// SetMaxSize sets the maximum size of a resizable window
+func (w *WebView) SetMaxSize(width, height int) {
+	if w.config.GetResizable() == false {
+		w.log.Warn("Cannot call SetMaxSize() - App.Resizable = false")
+		return
+	}
+	w.maximumSizeSet = true
+	w.window.Dispatch(func() {
+		w.window.SetMaxSize(width, height)
+	})
+}
+
 // Fullscreen makes the main window go fullscreen
 func (w *WebView) Fullscreen() {
 	if w.config.GetResizable() == false {
 		w.log.Warn("Cannot call Fullscreen() - App.Resizable = false")
 		return
+	} else if w.maximumSizeSet {
+		w.log.Warn("Cannot call Fullscreen() - Maximum size of window set")
+		return
 	}
 	w.window.Dispatch(func() {
 		w.window.SetFullscreen(true)

lib/renderer/webview/webview.go

@@ -69,6 +69,14 @@ static inline void CgoWebViewFocus(void *w) {
 	webview_focus((struct webview *)w);
 }
 
+static inline void CgoWebViewMinSize(void *w, int width, int height) {
+	webview_minsize((struct webview *)w, width, height);
+}
+
+static inline void CgoWebViewMaxSize(void *w, int width, int height) {
+	webview_maxsize((struct webview *)w, width, height);
+}
+
 static inline void CgoWebViewSetFullscreen(void *w, int fullscreen) {
 	webview_set_fullscreen((struct webview *)w, fullscreen);
 }
@@ -178,6 +186,12 @@ type WebView interface {
 	// Focus() puts the main window into focus
 	Focus()
 
+	// SetMinSize() sets the minimum size of the window
+	SetMinSize(width, height int)
+
+	// SetMaxSize() sets the maximum size of the window
+	SetMaxSize(width, height int)
+
 	// SetFullscreen() controls window full-screen mode. This method must be
 	// called from the main thread only. See Dispatch() for more details.
 	SetFullscreen(fullscreen bool)
@@ -319,6 +333,14 @@ func (w *webview) Focus() {
 	C.CgoWebViewFocus(w.w)
 }
 
+func (w *webview) SetMinSize(width, height int) {
+	C.CgoWebViewMinSize(w.w, C.int(width), C.int(height))
+}
+
+func (w *webview) SetMaxSize(width, height int) {
+	C.CgoWebViewMaxSize(w.w, C.int(width), C.int(height))
+}
+
 func (w *webview) SetFullscreen(fullscreen bool) {
 	C.CgoWebViewSetFullscreen(w.w, C.int(boolToInt(fullscreen)))
 }

lib/renderer/webview/webview.h

@@ -54,6 +54,11 @@ extern "C"
     int ready;
     int js_busy;
     int should_exit;
+    
+    int min_width;
+    int min_height;
+    int max_width;
+    int max_height;
   };
 #elif defined(WEBVIEW_WINAPI)
 #define CINTERFACE
@@ -75,6 +80,11 @@ struct webview_priv
   DWORD saved_style;
   DWORD saved_ex_style;
   RECT saved_rect;
+
+  int min_width;
+  int min_height;
+  int max_width;
+  int max_height;
 };
 #elif defined(WEBVIEW_COCOA)
 #import <Cocoa/Cocoa.h>
@@ -169,6 +179,8 @@ struct webview_priv
   WEBVIEW_API int webview_inject_css(struct webview *w, const char *css);
   WEBVIEW_API void webview_set_title(struct webview *w, const char *title);
   WEBVIEW_API void webview_focus(struct webview *w);
+  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height);  
+  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height);
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen);
   WEBVIEW_API void webview_set_color(struct webview *w, uint8_t r, uint8_t g,
                                      uint8_t b, uint8_t a);
@@ -330,6 +342,12 @@ struct webview_priv
     w->priv.should_exit = 0;
     w->priv.queue = g_async_queue_new();
     w->priv.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+    
+    w->priv.min_width = -1;
+    w->priv.min_height = -1;
+    w->priv.max_width = -1;
+    w->priv.max_height = -1;
+    
     gtk_window_set_title(GTK_WINDOW(w->priv.window), w->title);
 
     if (w->resizable)
@@ -402,6 +420,44 @@ struct webview_priv
     gtk_window_present(GTK_WINDOW(w->priv.window));
   }
 
+  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height) {
+  
+    w->priv.min_width = width;
+    w->priv.min_height = height;
+
+    GdkGeometry hints;
+    GdkWindowHints usedHints = (GdkWindowHints) GDK_HINT_MIN_SIZE;
+    
+    hints.min_width = w->priv.min_width;
+    hints.min_height = w->priv.min_height;
+    if (w->priv.max_width != -1) {
+      hints.max_width = w->priv.max_width;
+      hints.max_height = w->priv.max_height;
+      usedHints = (GdkWindowHints)(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
+    }
+    
+    gtk_window_set_geometry_hints(GTK_WINDOW(w->priv.window), w->priv.window, &hints, usedHints);
+  }
+
+  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height) {
+    
+    w->priv.max_width = width;
+    w->priv.max_height = height;
+  
+    GdkGeometry hints;
+    GdkWindowHints usedHints = (GdkWindowHints) GDK_HINT_MAX_SIZE;
+    
+    if (w->priv.min_width != -1) {
+      hints.min_width = w->priv.min_width;
+      hints.min_height = w->priv.min_height;
+      usedHints = (GdkWindowHints)(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
+    }
+    hints.max_width = w->priv.max_width;
+    hints.max_height = w->priv.max_height;
+    
+    gtk_window_set_geometry_hints(GTK_WINDOW(w->priv.window), w->priv.window, &hints, usedHints);
+  }
+
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     if (fullscreen)
@@ -1337,7 +1393,39 @@ struct webview_priv
     case WM_CREATE:
       w = (struct webview *)((CREATESTRUCT *)lParam)->lpCreateParams;
       w->priv.hwnd = hwnd;
+
       return EmbedBrowserObject(w);
+    case WM_GETMINMAXINFO:
+    {
+      if (w != NULL) {
+        // get pixel density 
+        HDC hDC = GetDC(NULL);
+        double DPIScaleX = GetDeviceCaps(hDC, 88)/96.0;
+        double DPIScaleY = GetDeviceCaps(hDC, 90)/96.0;
+        ReleaseDC(NULL, hDC);
+      	
+        RECT rcClient, rcWind;
+        POINT ptDiff;
+        GetClientRect(hwnd, &rcClient);
+        GetWindowRect(hwnd, &rcWind);
+
+        int widthExtra = (rcWind.right - rcWind.left) - rcClient.right;
+        int heightExtra = (rcWind.bottom - rcWind.top) - rcClient.bottom;
+
+        LPMINMAXINFO lpMMI = (LPMINMAXINFO)lParam;
+      
+        if (w->priv.min_width != -1) {
+          lpMMI->ptMinTrackSize.x = w->priv.min_width * DPIScaleX + widthExtra;
+          lpMMI->ptMinTrackSize.y = w->priv.min_height * DPIScaleY + heightExtra;
+        }
+        if (w->priv.max_width != -1) {
+          lpMMI->ptMaxTrackSize.x = w->priv.max_width * DPIScaleX + widthExtra;
+          lpMMI->ptMaxTrackSize.y = w->priv.max_height * DPIScaleY + heightExtra;
+        }
+      }
+      
+      return 0;
+    }
     case WM_DESTROY:
       UnEmbedBrowserObject(w);
       PostQuitMessage(0);
@@ -1402,6 +1490,9 @@ struct webview_priv
 
   WEBVIEW_API int webview_init(struct webview *w)
   {
+    w->priv.min_width = -1;
+    w->priv.max_width = -1;
+
     WNDCLASSEX wc;
     HINSTANCE hInstance;
     DWORD style;
@@ -1652,6 +1743,16 @@ struct webview_priv
     SetFocus(w->priv.hwnd);
   }
 
+  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height) {
+    w->priv.min_width = width;
+    w->priv.min_height = height;
+  }
+
+  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height) {
+    w->priv.max_width = width;
+    w->priv.max_height = height;
+  }
+
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     if (w->priv.is_fullscreen == !!fullscreen)
@@ -2223,7 +2324,26 @@ struct webview_priv
   {
     [w->priv.window makeKeyWindow];
   }
-
+  
+  WEBVIEW_API void webview_minsize(struct webview *w, int width, int height) {
+    NSSize size;
+    size.width = width;
+    size.height = height;
+    [w->priv.window setMinSize:size];
+  }
+  
+  WEBVIEW_API void webview_maxsize(struct webview *w, int width, int height) {
+    NSSize size;
+    size.width = width;
+    size.height = height;
+    [w->priv.window setMaxSize:size];
+    
+    [w->priv.window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenAuxiliary|NSWindowCollectionBehaviorFullScreenNone|NSWindowCollectionBehaviorFullScreenDisallowsTiling];
+       
+    NSButton *button = [w->priv.window standardWindowButton:NSWindowZoomButton];
+    [button setEnabled: NO];
+  }
+  
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     int b = ((([w->priv.window styleMask] & NSWindowStyleMaskFullScreen) ==
@@ -2378,4 +2498,4 @@ struct webview_priv
 }
 #endif
 
-#endif /* WEBVIEW_H */
+#endif /* WEBVIEW_H */

package-lock.json

@@ -0,0 +1,3 @@
+{
+  "lockfileVersion": 1
+}

runtime/assets.go

@@ -0,0 +1,15 @@
+package runtime
+
+import _ "embed"
+
+//go:embed assets/bridge.js
+var BridgeJS []byte
+
+//go:embed assets/wails.js
+var WailsJS string
+
+//go:embed assets/wails.css
+var WailsCSS string
+
+//go:embed js/runtime/init.js
+var InitJS []byte

runtime/js/package-lock.json

@@ -2681,26 +2681,18 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.3",
+      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
+        "bn.js": "^4.11.9",
-        "brorand": "^1.0.1",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
+        "hmac-drbg": "^1.0.1",
-        "inherits": "^2.0.1",
+        "inherits": "^2.0.4",
-        "minimalistic-assert": "^1.0.0",
+        "minimalistic-assert": "^1.0.1",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "minimalistic-crypto-utils": "^1.0.1"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.11.9",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-          "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
-          "dev": true
-        }
       }
     },
     "emoji-regex": {
@@ -6590,9 +6582,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "4.0.0",
+      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
-      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
       "dev": true
     },
     "yallist": {

runtime/js/runtime/package-lock.json

@@ -451,9 +451,9 @@
       }
     },
     "y18n": {
-      "version": "3.2.1",
+      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
       "dev": true
     },
     "yargs": {

runtime/window.go

@@ -67,6 +67,16 @@ func (r *Window) SetColour(colour string) error {
 	return r.renderer.SetColour(colour)
 }
 
+// SetMinSize sets the minimum size of a resizable window
+func (r *Window) SetMinSize(width, height int) {
+	r.renderer.SetMinSize(width, height)
+}
+
+// SetMaxSize sets the maximum size of a resizable window
+func (r *Window) SetMaxSize(width, height int) {
+	r.renderer.SetMaxSize(width, height)
+}
+
 // Fullscreen makes the window fullscreen
 func (r *Window) Fullscreen() {
 	r.renderer.Fullscreen()

scripts/build.go

@@ -8,38 +8,6 @@ import (
 	"path/filepath"
 )
 
-// Default target to run when none is specified
-// If not set, running mage will list available targets
-// var Default = Build
-
-/*
-# Build runtime
-echo "**** Building Runtime ****"
-cd runtime/js
-npm install
-npm run build
-cd ../..
-
-echo "**** Packing Assets ****"
-cd cmd
-mewn
-cd ..
-cd lib/renderer
-mewn
-cd ../..
-
-echo "**** Installing Wails locally ****"
-cd cmd/wails
-go install
-cd ../..
-
-echo "**** Tidying the mods! ****"
-go mod tidy
-
-echo "**** WE ARE DONE! ****"
-
-*/
-
 func runCommand(command string, args ...string) {
 	cmd := exec.Command(command, args...)
 	output, err := cmd.CombinedOutput()
@@ -48,7 +16,6 @@ func runCommand(command string, args ...string) {
 		log.Println(string(output))
 		log.Fatal(err)
 	}
-	cmd.Run()
 	fmt.Println(string(output))
 }
 
@@ -60,26 +27,26 @@ func main() {
 	// Build Runtime
 	fmt.Println("**** Building Runtime ****")
 	runtimeDir, _ := filepath.Abs(filepath.Join(dir, "..", "runtime", "js"))
-	os.Chdir(runtimeDir)
+	err := os.Chdir(runtimeDir)
+	if err != nil {
+		log.Fatal(err)
+	}
 	runCommand("npm", "install")
 	runCommand("npm", "run", "build")
 
-	// Pack assets
-	fmt.Println("**** Packing Assets ****")
-	rendererDir, _ := filepath.Abs(filepath.Join(dir, "..", "lib", "renderer"))
-	os.Chdir(rendererDir)
-	runCommand("mewn")
-	cmdDir, _ := filepath.Abs(filepath.Join(dir, "..", "cmd"))
-	os.Chdir(cmdDir)
-	runCommand("mewn")
-
 	// Install Wails
 	fmt.Println("**** Installing Wails locally ****")
 	execDir, _ := filepath.Abs(filepath.Join(dir, "..", "cmd", "wails"))
-	os.Chdir(execDir)
+	err = os.Chdir(execDir)
+	if err != nil {
+		log.Fatal(err)
+	}
 	runCommand("go", "install")
 
 	baseDir, _ := filepath.Abs(filepath.Join(dir, ".."))
-	os.Chdir(baseDir)
+	err = os.Chdir(baseDir)
+	if err != nil {
+		log.Fatal(err)
+	}
 	runCommand("go", "mod", "tidy")
 }

scripts/build.sh

@@ -15,15 +15,6 @@ npm install
 npm run build
 cd ../..
 
-echo "**** Packing Assets ****"
-cd cmd
-mewn
-cd ..
-cd lib/renderer
-mewn
-cd ../..
-
-
 cd cmd/wails
 echo "**** Checking if Wails compiles ****"
 if ! go build .

scripts/updateversion.sh

@@ -16,7 +16,6 @@ cd runtime/js
 npm run build
 
 cd ../..
-mewn
 
 git add cmd/version.go
 git commit cmd/version.go -m "Bump to ${TAG}"