Uicontrol Browser
Description of the uicontrol browser.
Description
How to use Browser uicontrol.
Architecture
Browser uicontrol is based on JCEF framework.
Browser uicontrol must be placed in a frame or figure with layout border.
Communication
Scilab to Browser
Use the
dataproperty of uicontrol.Data will arrive by the callback javascript function
fromScilab.
Browser to Scilab
Use the
toScilabfunction provided in javascript.Data will arrive by the callback Scilab function associated of the
callbackproperty.
Example of round-trip communication between Scilab and Browser
f = figure("infobar_visible", "off", "toolbar_visible", "off", ... "dockable", "off", "menubar", "none", "default_axes", "off", ... "axes_size", [200 100], ... "layout", "border", ... "resize", "off", ... "tag", "com"); fr = uicontrol(f, "style", "frame", "backgroundcolor", [1 1 1], "layout", "border"); //create a small html file html = [... "<html>" "<head>" " <style>" " html, body {width: 100%; height: 100%; margin: 0; padding: 0; }" " body { display: flex; justify-content: center; align-items: center; }" " .child { flex: 0 0; }" " .operand {width: 30px;}" " </style>" "</head>" "<body>" " <input type=""range"" id=""slider"" class=""child"" value=""0.5"" min=""0"" max=""1"" step=""0.05"" oninput=""onSliderChange()"">" " <div id=""result"" class=""child"">0%</div>" " <script>" " function onSliderChange() {" " toScilab(parseFloat(document.getElementById(""slider"").value), (data) => {" " document.getElementById(""result"").textContent = data;" " });" " }" "" " function fromScilab(data) {" " document.getElementById(""result"").textContent = data;" " }" " </script>" "</body>" "</html>"]; mputl(html, TMPDIR + "/com.html"); browser = uicontrol(fr, ... "style", "browser", ... "debug", "on", ... //allow to open devtools in browser component: use (ctrl+shift+i) commands or openDevtools(get("browser")) "string", TMPDIR + "/com.html", ... "callback", "cbPercent", ... "tag", "browser"); function cbPercent(data, cb) if data == "loaded" then //inital message from web part to indicate that loading phase is done set("browser", "data", "50%"); //call "fromScilab" javascript function return; end cb(sprintf("%d%%", data * 100)); //return data in callback function give in toScilab. endfunction
See also
- uicontrol — create a Graphic User Interface object
- Uicontrol properties — Description of the uicontrol properties.
- openDevtools — Open DevTools window of uicontrol browser
History
| Versão | Descrição |
| 2025.1.0 | Uicontrol browser added. |
| Report an issue | ||
| << about | IGU | clipboard >> |