Add ldflags option to build

CONTRIBUTORS.md

@@ -28,3 +28,4 @@ Wails is what it is because of the time and effort given by these great people.
   * [Konez2k](https://github.com/konez2k)
   * [msms](https://github.com/sayuthisobri)
   * [dedo1911](https://github.com/dedo1911)
+  * [Florian Didron](https://github.com/fdidron)

cmd/helpers.go

@@ -561,6 +561,11 @@ func ldFlags(po *ProjectOptions, buildMode string) string {
 
 	ldflags += "-X github.com/wailsapp/wails.BuildMode=" + buildMode
 
+	// Add additional ldflags passed in via the `ldflags` cli flag
+	if len(po.LdFlags) > 0 {
+		ldflags += " " + po.LdFlags
+	}
+
 	// If we wish to generate typescript
 	if po.typescriptDefsFilename != "" {
 		cwd, err := os.Getwd()

cmd/linux.go

@@ -61,6 +61,8 @@ const (
 	ArchLabs
 	// PopOS distribution
 	PopOS
+	// Solus distribution
+	Solus
 )
 
 // DistroInfo contains all the information relating to a linux distribution
@@ -109,7 +111,7 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		}
 		switch splitLine[0] {
 		case "ID":
-			osID = strings.Trim(splitLine[1], "\"")
+			osID = strings.ToLower(strings.Trim(splitLine[1], "\""))
 		case "NAME":
 			osNAME = strings.Trim(splitLine[1], "\"")
 		case "VERSION_ID":
@@ -118,7 +120,7 @@ func parseOsRelease(osRelease string) *DistroInfo {
 	}
 
 	// Check distro name against list of distros
-	switch strings.ToLower(osID) {
+	switch osID {
 	case "fedora":
 		result.Distribution = Fedora
 	case "centos":
@@ -163,6 +165,8 @@ func parseOsRelease(osRelease string) *DistroInfo {
 		result.Distribution = Leap
 	case "pop":
 		result.Distribution = PopOS
+	case "solus":
+		result.Distribution = Solus
 	default:
 		result.Distribution = Unknown
 	}
@@ -199,6 +203,17 @@ func DpkgInstalled(packageName string) (bool, error) {
 	return exitCode == 0, nil
 }
 
+// EOpkgInstalled uses dpkg to see if a package is installed
+func EOpkgInstalled(packageName string) (bool, error) {
+	program := NewProgramHelper()
+	eopkg := program.FindProgram("eopkg")
+	if eopkg == nil {
+		return false, fmt.Errorf("cannot check dependencies: eopkg not found")
+	}
+	stdout, _, _, _ := eopkg.Run("info", packageName)
+	return strings.HasPrefix(stdout, "Installed"), nil
+}
+
 // PacmanInstalled uses pacman to see if a package is installed.
 func PacmanInstalled(packageName string) (bool, error) {
 	program := NewProgramHelper()

cmd/linuxdb.yaml

@@ -241,6 +241,25 @@ distributions:
         gccversioncommand: *gccdumpfullversion
         programs: *debiandefaultprograms
         libraries: *debiandefaultlibraries
+  solus:
+    id: solus
+    releases:
+      default:
+        version: default
+        name: Solus
+        gccversioncommand: *gccdumpfullversion
+        programs: &solusdefaultprograms
+          - name: gcc
+            help: Please install with `sudo eopkg it -c system.devel` and try again
+          - name: pkg-config
+            help: Please install with `sudo eopkg it -c system.devel` and try again
+          - name: npm
+            help: Please install with `sudo eopkg it nodejs` and try again
+        libraries: &solusdefaultlibraries
+          - name: libgtk-3-devel
+            help: Please install with `sudo eopkg it libgtk-3-devel` and try again
+          - name: libwebkit-gtk-devel
+            help: Please install with `sudo eopkg it libwebkit-gtk-devel` and try again
         
   opensuse-tumbleweed:
     id: opensuse-tumbleweed

cmd/project.go

@@ -161,6 +161,7 @@ type ProjectOptions struct {
 	CrossCompile           bool
 	Platform               string
 	Architecture           string
+	LdFlags                string
 }
 
 // Defaults sets the default project template

cmd/system.go

@@ -284,6 +284,8 @@ func CheckDependencies(logger *Logger) (bool, error) {
 			libraryChecker = EqueryInstalled
 		case VoidLinux:
 			libraryChecker = XbpsInstalled
+		case Solus:
+			libraryChecker = EOpkgInstalled
 		default:
 			return false, RequestSupportForDistribution(distroInfo)
 		}

cmd/templates/vanilla/README.md

@@ -0,0 +1,5 @@
+# README
+
+This is an experimental template for vanilla HTML/JS/CSS.
+
+The webpack rules may need to be adjusted to correctly embed all assets. Babel may also need to be setup correctly.

cmd/templates/vanilla/frontend/package.json.template

@@ -0,0 +1,42 @@
+{
+  "name": "vanilla",
+  "author": "Lea<l>",
+  "private": true,
+  "scripts": {
+    "serve": "webpack-dev-server",
+    "build": "npx webpack"
+  },
+  "dependencies": {
+    "core-js": "^3.6.4",
+    "regenerator-runtime": "^0.13.3",
+    "@wailsapp/runtime": "^1.0.10"
+  },
+  "devDependencies": {
+    "babel-eslint": "^10.1.0",
+    "copy-webpack-plugin": "^6.0.2",
+    "eslint": "^6.8.0",
+    "eventsource-polyfill": "^0.9.6",
+    "webpack": "^4.43.0",
+    "webpack-cli": "^3.3.11",
+    "webpack-dev-server": "^3.11.0",
+    "webpack-hot-middleware": "^2.25.0"
+  },
+  "eslintConfig": {
+    "root": true,
+    "env": {
+      "node": true
+    },
+    "extends": [
+      "eslint:recommended"
+    ],
+    "rules": {},
+    "parserOptions": {
+      "parser": "babel-eslint"
+    }
+  },
+  "browserslist": [
+    "> 1%",
+    "last 2 versions",
+    "not ie <= 8"
+  ]
+}

cmd/templates/vanilla/frontend/src/index.html

@@ -0,0 +1,9 @@
+<html>
+    <head>
+        <link rel="stylesheet" type="text/css" href="main.css">
+    </head>
+    <body>
+        <div id="app"></div>
+        <script src="main.js"></script>
+    </body>
+</html>

cmd/templates/vanilla/frontend/src/main.js

@@ -0,0 +1,28 @@
+
+const runtime = require('@wailsapp/runtime');
+
+// We need to wait for runtime.Init to complete before 
+// running our JS
+runtime.Init(() => {
+
+	// Ensure the default app div is 100% wide/high
+	var app = document.getElementById('app');
+	app.style.width = '100%';
+	app.style.height = '100%';
+
+	// Inject html
+	app.innerHTML = `
+	<div class='logo'></div>
+	<div class='container'>
+			<button id='button'>Click Me!</button>
+			<div id='result'/>
+	</div>
+	`;
+
+	// Connect button to Go method
+	document.getElementById('button').onclick = () => {
+		window.backend.basic().then((result) => {
+			document.getElementById('result').innerText = result;
+		})
+	} 
+});

cmd/templates/vanilla/frontend/webpack.config.js

@@ -0,0 +1,56 @@
+const path = require('path');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+
+let imageSizeLimit = 9007199254740991; // Number.MAX_SAFE_INTEGER
+let sourceDir = path.resolve(__dirname, 'src');
+let buildDir = path.resolve(__dirname, 'build');
+
+module.exports = {
+	entry: {
+		index: path.resolve(sourceDir, 'main.js')
+	},
+	output: {
+		path: buildDir,
+		filename: 'main.js'
+	},
+	optimization: {
+		splitChunks: false
+	},
+	devServer: {
+		disableHostCheck: true,
+		contentBase: path.join(__dirname, 'src'),
+		compress: true,
+		open: true,
+		port: 8090
+	},
+	mode: 'production',
+	module: {
+		rules: [
+			{
+				test: /\.(png|gif|jpg|woff2?|eot|ttf|otf|svg)(\?.*)?$/i,
+				use: [
+					{
+						loader: 'url-loader',
+						options: {
+							limit: imageSizeLimit
+						}
+					}
+				],
+			}
+		]
+	},
+	plugins: [
+		new CopyWebpackPlugin({
+			patterns: [
+				{
+					from: path.resolve(sourceDir, 'main.css'),
+					to: path.resolve(buildDir, 'main.css')
+				},
+				{
+					from: path.resolve(sourceDir, 'index.html'),
+					to: path.resolve(buildDir, 'index.html')
+				},
+			]
+		})
+	]
+};

cmd/templates/vanilla/go.mod.template

@@ -0,0 +1,5 @@
+module {{.BinaryName}}
+
+require (
+	github.com/wailsapp/wails {{.WailsVersion}}
+)

cmd/templates/vanilla/main.go.template

@@ -0,0 +1,27 @@
+package main
+
+import (
+  "github.com/leaanthony/mewn"
+  "github.com/wailsapp/wails"
+)
+
+func basic() string {
+  return "Hello World!"
+}
+
+func main() {
+
+	js := mewn.String("./frontend/build/main.js")
+	css := mewn.String("./frontend/build/main.css")
+
+  app := wails.CreateApp(&wails.AppConfig{
+    Width:  1024,
+    Height: 768,
+    Title:  "{{.Name}}",
+    JS:     js,
+    CSS:    css,
+    Colour: "#131313",
+  })
+  app.Bind(basic)
+  app.Run()
+}

cmd/templates/vanilla/template.json

@@ -0,0 +1,12 @@
+{
+  "name": "Vanilla",
+  "shortdescription": "A Vanilla HTML/JS template",
+  "description": "A basic template using plain html/js and bundled using Webpack 4",
+  "author": "Lea Anthony<lea.anthony@gmail.com>",
+  "created": "2020-06-14",
+  "frontenddir": "frontend",
+  "install": "npm install",
+  "build": "npm run build",
+  "serve": "npm run serve",
+  "bridge": "src"
+}

cmd/version.go

@@ -1,4 +1,4 @@
 package cmd
 
 // Version - Wails version
-const Version = "v1.6.0-pre3"
+const Version = "v1.6.0"

cmd/wails/4_build.go

@@ -29,6 +29,7 @@ func init() {
 	var typescriptFilename = ""
 	var verbose = false
 	var platform = ""
+	var ldflags = ""
 
 	buildSpinner := spinner.NewSpinner()
 	buildSpinner.SetSpinSpeed(50)
@@ -40,7 +41,8 @@ func init() {
 		BoolFlag("f", "Force rebuild of application components", &forceRebuild).
 		BoolFlag("d", "Build in Debug mode", &debugMode).
 		BoolFlag("verbose", "Verbose output", &verbose).
-		StringFlag("t", "Generate Typescript definitions to given file (at runtime)", &typescriptFilename)
+		StringFlag("t", "Generate Typescript definitions to given file (at runtime)", &typescriptFilename).
+		StringFlag("ldflags", "Extra options for -ldflags", &ldflags)
 
 	var b strings.Builder
 	for _, plat := range getSupportedPlatforms() {
@@ -84,7 +86,7 @@ func init() {
 				}
 			}
 			if !supported {
-				return fmt.Errorf("Unsupported platform '%s' specified.\nPlease run `wails build -h` to see the supported platform/architecture options.", platform)
+				return fmt.Errorf("unsupported platform '%s' specified.\nPlease run `wails build -h` to see the supported platform/architecture options", platform)
 			}
 
 			projectOptions.CrossCompile = true
@@ -93,6 +95,9 @@ func init() {
 			projectOptions.Architecture = plat[1]
 		}
 
+		// Add ldflags
+		projectOptions.LdFlags = ldflags
+
 		// Validate config
 		// Check if we have a frontend
 		err = cmd.ValidateFrontendConfig(projectOptions)

cmd/wails/6_serve.go

@@ -35,8 +35,6 @@ func init() {
 
 		// Project options
 		projectOptions := &cmd.ProjectOptions{}
-		projectOptions.Verbose = verbose
-		projectOptions.Platform = runtime.GOOS
 
 		// Check we are in project directory
 		// Check project.json loads correctly
@@ -46,6 +44,10 @@ func init() {
 			return err
 		}
 
+		// Set project options
+		projectOptions.Verbose = verbose
+		projectOptions.Platform = runtime.GOOS
+
 		// Save project directory
 		projectDir := fs.Cwd()
 

lib/interfaces/renderer.go

@@ -17,9 +17,9 @@ type Renderer interface {
 	NotifyEvent(eventData *messages.EventData) error
 
 	// Dialog Runtime
-	SelectFile() string
+	SelectFile(title string, filter string) string
 	SelectDirectory() string
-	SelectSaveFile() string
+	SelectSaveFile(title string, filter string) string
 
 	// Window Runtime
 	SetColour(string) error

lib/renderer/bridge/bridge.go

@@ -114,7 +114,7 @@ func (h *Bridge) NewBinding(methodName string) error {
 
 // SelectFile is unsupported for Bridge but required
 // for the Renderer interface
-func (h *Bridge) SelectFile() string {
+func (h *Bridge) SelectFile(title string, filter string) string {
 	h.log.Warn("SelectFile() unsupported in bridge mode")
 	return ""
 }
@@ -128,7 +128,7 @@ func (h *Bridge) SelectDirectory() string {
 
 // SelectSaveFile is unsupported for Bridge but required
 // for the Renderer interface
-func (h *Bridge) SelectSaveFile() string {
+func (h *Bridge) SelectSaveFile(title string, filter string) string {
 	h.log.Warn("SelectSaveFile() unsupported in bridge mode")
 	return ""
 }

lib/renderer/webview.go

@@ -245,7 +245,7 @@ func (w *WebView) NewBinding(methodName string) error {
 }
 
 // SelectFile opens a dialog that allows the user to select a file
-func (w *WebView) SelectFile() string {
+func (w *WebView) SelectFile(title string, filter string) string {
 	var result string
 
 	// We need to run this on the main thread, however Dispatch is
@@ -255,7 +255,7 @@ func (w *WebView) SelectFile() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(wv.DialogTypeOpen, 0, "Select File", "")
+			result = w.window.Dialog(wv.DialogTypeOpen, 0, title, "", filter)
 			wg.Done()
 		})
 	}()
@@ -273,7 +273,7 @@ func (w *WebView) SelectDirectory() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(wv.DialogTypeOpen, wv.DialogFlagDirectory, "Select Directory", "")
+			result = w.window.Dialog(wv.DialogTypeOpen, wv.DialogFlagDirectory, "Select Directory", "", "")
 			wg.Done()
 		})
 	}()
@@ -282,7 +282,7 @@ func (w *WebView) SelectDirectory() string {
 }
 
 // SelectSaveFile opens a dialog that allows the user to select a file to save
-func (w *WebView) SelectSaveFile() string {
+func (w *WebView) SelectSaveFile(title string, filter string) string {
 	var result string
 	// We need to run this on the main thread, however Dispatch is
 	// non-blocking so we launch this in a goroutine and wait for
@@ -291,7 +291,7 @@ func (w *WebView) SelectSaveFile() string {
 	wg.Add(1)
 	go func() {
 		w.window.Dispatch(func() {
-			result = w.window.Dialog(wv.DialogTypeSave, 0, "Save file", "")
+			result = w.window.Dialog(wv.DialogTypeSave, 0, title, "", filter)
 			wg.Done()
 		})
 	}()

lib/renderer/webview/webview.go

@@ -74,9 +74,9 @@ static inline void CgoWebViewSetColor(void *w, uint8_t r, uint8_t g, uint8_t b,
 }
 
 static inline void CgoDialog(void *w, int dlgtype, int flags,
-		char *title, char *arg, char *res, size_t ressz) {
+char *title, char *arg, char *res, size_t ressz, char *filter) {
 	webview_dialog(w, dlgtype, flags,
-		(const char*)title, (const char*) arg, res, ressz);
+	(const char*)title, (const char*) arg, res, ressz, filter);
 }
 
 static inline int CgoWebViewEval(void *w, char *js) {
@@ -186,7 +186,7 @@ type WebView interface {
 	// Dialog() opens a system dialog of the given type and title. String
 	// argument can be provided for certain dialogs, such as alert boxes. For
 	// alert boxes argument is a message inside the dialog box.
-	Dialog(dlgType DialogType, flags int, title string, arg string) string
+	Dialog(dlgType DialogType, flags int, title string, arg string, filter string) string
 	// Terminate() breaks the main UI loop. This method must be called from the main thread
 	// only. See Dispatch() for more details.
 	Terminate()
@@ -311,7 +311,7 @@ func (w *webview) SetFullscreen(fullscreen bool) {
 	C.CgoWebViewSetFullscreen(w.w, C.int(boolToInt(fullscreen)))
 }
 
-func (w *webview) Dialog(dlgType DialogType, flags int, title string, arg string) string {
+func (w *webview) Dialog(dlgType DialogType, flags int, title string, arg string, filter string) string {
 	const maxPath = 4096
 	titlePtr := C.CString(title)
 	defer C.free(unsafe.Pointer(titlePtr))
@@ -319,8 +319,10 @@ func (w *webview) Dialog(dlgType DialogType, flags int, title string, arg string
 	defer C.free(unsafe.Pointer(argPtr))
 	resultPtr := (*C.char)(C.calloc((C.size_t)(unsafe.Sizeof((*C.char)(nil))), (C.size_t)(maxPath)))
 	defer C.free(unsafe.Pointer(resultPtr))
+	filterPtr := C.CString(filter)
+	defer C.free(unsafe.Pointer(filterPtr))
 	C.CgoDialog(w.w, C.int(dlgType), C.int(flags), titlePtr,
-		argPtr, resultPtr, C.size_t(maxPath))
+		argPtr, resultPtr, C.size_t(maxPath), filterPtr)
 	return C.GoString(resultPtr)
 }
 

lib/renderer/webview/webview.h

@@ -174,7 +174,7 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz);
+                                  char *result, size_t resultsz, char *filter);
   WEBVIEW_API void webview_dispatch(struct webview *w, webview_dispatch_fn fn,
                                     void *arg);
   WEBVIEW_API void webview_terminate(struct webview *w);
@@ -418,7 +418,7 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz)
+                                  char *result, size_t resultsz, char *filter)
   {
     GtkWidget *dlg;
     if (result != NULL)
@@ -438,6 +438,16 @@ struct webview_priv
           "_Cancel", GTK_RESPONSE_CANCEL,
           (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN ? "_Open" : "_Save"),
           GTK_RESPONSE_ACCEPT, NULL);
+      if (filter[0] != '\0') {
+          GtkFileFilter *file_filter = gtk_file_filter_new();
+          gchar **filters  = g_strsplit(filter, ",", -1);
+          gint i;
+          for(i = 0; filters && filters[i]; i++) {
+              gtk_file_filter_add_pattern(file_filter, filters[i]);
+          }
+          gtk_file_filter_set_name(file_filter, filter);
+          gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dlg), file_filter);
+      }
       gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(dlg), FALSE);
       gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dlg), FALSE);
       gtk_file_chooser_set_show_hidden(GTK_FILE_CHOOSER(dlg), TRUE);
@@ -1782,7 +1792,7 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz)
+                                  char *result, size_t resultsz, char *filter)
   {
     if (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN ||
         dlgtype == WEBVIEW_DIALOG_TYPE_SAVE)
@@ -1822,6 +1832,32 @@ struct webview_priv
                     FOS_NOTESTFILECREATE | FOS_NODEREFERENCELINKS |
                     FOS_FORCESHOWHIDDEN | FOS_DEFAULTNOMINIMODE;
       }
+      if (filter[0] != '\0')
+      {
+        int count;
+        int i=0;
+        char* token;
+        char* filter_dup = strdup(filter);
+        for (count=1; filter[count]; filter[count]==',' ? count++ : *filter++);
+        COMDLG_FILTERSPEC rgSpec[count];
+        char* filters[count];
+        token = strtok(filter_dup, ",");
+        while(token != NULL)
+        {
+          filters[i] = token;
+          token = strtok(NULL, ",");
+          i++;
+        }
+        for (int i=0; i < count; i++) {
+          wchar_t *wFilter = (wchar_t *)malloc(4096);
+          MultiByteToWideChar(CP_ACP, 0, filters[i], -1, wFilter, 4096);
+          rgSpec[i].pszName = wFilter;
+          rgSpec[i].pszSpec = wFilter;
+        }
+        if (dlg->lpVtbl->SetFileTypes(dlg, count, rgSpec) != S_OK) {
+          goto error_dlg;
+        }
+      }
       if (dlg->lpVtbl->GetOptions(dlg, &opts) != S_OK)
       {
         goto error_dlg;
@@ -1940,7 +1976,7 @@ struct webview_priv
         (struct webview *)objc_getAssociatedObject(self, "webview");
 
     webview_dialog(w, WEBVIEW_DIALOG_TYPE_OPEN, WEBVIEW_DIALOG_FLAG_FILE, "", "",
-                   filename, 255);
+                   filename, 255, "");
     filename[255] = '\0';
     if (strlen(filename) > 0)
     {
@@ -2203,12 +2239,16 @@ struct webview_priv
   WEBVIEW_API void webview_dialog(struct webview *w,
                                   enum webview_dialog_type dlgtype, int flags,
                                   const char *title, const char *arg,
-                                  char *result, size_t resultsz)
+                                  char *result, size_t resultsz, char *filter)
   {
     if (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN ||
         dlgtype == WEBVIEW_DIALOG_TYPE_SAVE)
     {
       NSSavePanel *panel;
+      NSString *filter_str = [NSString stringWithUTF8String:filter];
+      filter_str = [filter_str stringByReplacingOccurrencesOfString:@"*."
+                                     withString:@""];
+      NSArray *fileTypes = [filter_str componentsSeparatedByString:@","];
       if (dlgtype == WEBVIEW_DIALOG_TYPE_OPEN)
       {
         NSOpenPanel *openPanel = [NSOpenPanel openPanel];
@@ -2221,6 +2261,10 @@ struct webview_priv
         {
           [openPanel setCanChooseFiles:YES];
           [openPanel setCanChooseDirectories:NO];
+          if(filter[0] != NULL)
+          {
+            [openPanel setAllowedFileTypes:fileTypes];
+          }
         }
         [openPanel setResolvesAliases:NO];
         [openPanel setAllowsMultipleSelection:NO];
@@ -2234,6 +2278,10 @@ struct webview_priv
       [panel setShowsHiddenFiles:YES];
       [panel setExtensionHidden:NO];
       [panel setCanSelectHiddenExtension:NO];
+      if(filter[0] != NULL)
+      {
+        [panel setAllowedFileTypes:fileTypes];
+      }
       [panel setTreatsFilePackagesAsDirectories:YES];
       [panel beginSheetModalForWindow:w->priv.window
                     completionHandler:^(NSInteger result) {

runtime/dialog.go

@@ -1,6 +1,7 @@
 package runtime
 
 import "github.com/wailsapp/wails/lib/interfaces"
+import "strings"
 
 // Dialog exposes an interface to native dialogs
 type Dialog struct {
@@ -15,8 +16,16 @@ func NewDialog(renderer interfaces.Renderer) *Dialog {
 }
 
 // SelectFile prompts the user to select a file
-func (r *Dialog) SelectFile() string {
+func (r *Dialog) SelectFile(params ...string) string {
-	return r.renderer.SelectFile()
+	title := "Select File"
+	filter := ""
+	if len(params) > 0 {
+		title = params[0]
+	}
+	if len(params) > 1 {
+		filter = strings.Replace(params[1], " ", "", -1)
+	}
+	return r.renderer.SelectFile(title, filter)
 }
 
 // SelectDirectory prompts the user to select a directory
@@ -25,6 +34,14 @@ func (r *Dialog) SelectDirectory() string {
 }
 
 // SelectSaveFile prompts the user to select a file for saving
-func (r *Dialog) SelectSaveFile() string {
+func (r *Dialog) SelectSaveFile(params ...string) string {
-	return r.renderer.SelectSaveFile()
+	title := "Select Save"
+	filter := ""
+	if len(params) > 0 {
+		title = params[0]
+	}
+	if len(params) > 1 {
+		filter = strings.Replace(params[1], " ", "", -1)
+	}
+	return r.renderer.SelectSaveFile(title, filter)
 }