Added initial rev of message-box, to allow spawning a dialog box into a user context

2025-12-10 13:23:41 +00:00 · 2019-05-16 15:07:47 -07:00
parent e0e52bbb16
commit 842a7d475b
2 changed files with 167 additions and 0 deletions
--- a/microscript/ILibDuktape_Polyfills.c
+++ b/microscript/ILibDuktape_Polyfills.c
--- a/modules/message-box.js
+++ b/modules/message-box.js
@@ -0,0 +1,164 @@
+/*
+Copyright 2019 Intel Corporation
+
+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.
+*/
+
+
+const MB_OK = 0x00000000;
+const MB_OKCANCEL                = 0x00000001;
+const MB_ABORTRETRYIGNORE        = 0x00000002;
+const MB_YESNOCANCEL             = 0x00000003;
+const MB_YESNO                   = 0x00000004;
+const MB_RETRYCANCEL             = 0x00000005;
+
+const MB_DEFBUTTON1              = 0x00000000;
+const MB_DEFBUTTON2              = 0x00000100;
+const MB_DEFBUTTON3              = 0x00000200;
+const MB_ICONHAND                = 0x00000010;
+const MB_ICONQUESTION            = 0x00000020;
+const MB_ICONEXCLAMATION         = 0x00000030;
+const MB_ICONASTERISK            = 0x00000040;
+
+const IDOK     = 1;
+const IDCANCEL = 2;
+const IDABORT  = 3;
+const IDRETRY  = 4;
+const IDIGNORE = 5;
+const IDYES    = 6;
+const IDNO     = 7;
+
+var promise = require('promise');
+var childScript = "\
+        require('ScriptContainer').on('data', function (j)\
+        {\
+            switch(j.command)\
+            {\
+                case 'messageBox':\
+                    if(process.platform == 'win32')\
+                    {\
+                        var GM = require('_GenericMarshal');\
+                        var user32 = GM.CreateNativeProxy('user32.dll');\
+                        user32.CreateMethod('MessageBoxA');\
+                        user32.MessageBoxA.async(0, GM.CreateVariable(j.caption), GM.CreateVariable(j.title), " + (MB_YESNO | MB_DEFBUTTON2 | MB_ICONEXCLAMATION).toString() + ").then(\
+                        function(r)\
+                        {\
+                            if(r.Val == " + IDYES.toString() + ")\
+                            {\
+                                require('ScriptContainer').send(" + IDYES.toString() + ");\
+                            }\
+                            else\
+                            {\
+                                require('ScriptContainer').send(" + IDNO.toString() + ");\
+                            }\
+                            process.exit();\
+                        });\
+                    }\
+                    break;\
+            }\
+        });\
+    ";
+
+function messageBox()
+{
+    this._ObjectID = 'message-box';
+    this.create = function create(title, caption, timeout)
+    {
+        if (timeout == null) { timeout = 10; }
+        var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
+        ret._title = title;
+        ret._caption = caption;
+
+        ret._container = require('ScriptContainer').Create(timeout, ContainerPermissions.DEFAULT);
+        ret._container.promise = ret;
+        ret._container.on('data', function (j)
+        {
+            if(j == IDYES)
+            {
+                this.promise._res();
+            }
+            else
+            {
+                this.promise._rej('Denied');
+            }
+        });
+        ret._container.on('exit', function ()
+        {
+            this.promise._rej('Timeout');
+        });
+        ret._container.ExecuteString(childScript);
+        ret._container.send({ command: 'messageBox', caption: caption, title: title });
+        return (ret);
+    };
+}
+
+function linux_messageBox()
+{
+    this._ObjectID = 'message-box';
+    this.create = function create(title, caption, timeout)
+    {
+        if (timeout == null) { timeout = 10; }
+        var zenity = '';
+        var child = require('child_process').execFile('/bin/sh', ['sh']);
+        child.stdout.str = '';
+        child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
+        child.stdin.write("whereis zenity | awk '{ print $2 }'\nexit\n");
+        child.waitExit();
+        zenity = child.stdout.str.trim();
+        if (zenity == '') { throw ('Zenity not installed'); }
+        var uid = require('user-sessions').consoleUid();
+        var xinfo = require('monitor-info').getXInfo(uid);
+        var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
+        ret.child = require('child_process').execFile(zenity, ['zenity', '--question', '--title=' + title, '--text=' + caption, '--timeout=' + timeout], { uid: uid, env: { XAUTHORITY: xinfo.xauthority, DISPLAY: xinfo.display } });
+        ret.child.promise = ret;
+        ret.child.stderr.on('data', function (chunk) { });
+        ret.child.stdout.on('data', function (chunk) { });
+        ret.child.on('exit', function (code)
+        {
+            switch(code)
+            {
+                case 0:
+                    this.promise._res();
+                    break;
+                case 1:
+                    this.promise._rej('denied');
+                    break;
+                default:
+                    this.promise._rej('timeout');
+                    break;
+            }
+        });
+
+        return (ret);
+
+
+        console.log(child.stdout.str.trim() == '');
+
+    };
+}
+
+switch(process.platform)
+{
+    case 'win32':
+        module.exports = new messageBox();
+        break;
+    case 'linux':
+        module.exports = new linux_messageBox();
+        break;
+}
+
+
+
+
+
+