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[HTML5] Opt-in virtual keyboard support.

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Added as an export option "Experimental Virtual Keyboard".
There is no zoom, so text/line edit must be in the top part of the
screen, or it will get hidden by the virtual keyboard.
UTF8/Latin-1 only (I think regular UTF-8 should work out of the box in
4.0 but I can't test it).
It uses an hidden textarea or input, based on the multiline variable,
and only gets activated if the device has a touchscreen.
This could cause problems on devices with both touchscreen and a real
keyboard (although input should still work in general with some minor
focus issues). I'm thinking of a system to detect the first physical
keystroke and disable it in case, but it might do more harm then good,
so it must be well thought.
This commit is contained in:
Fabio Alessandrelli 2021-03-08 23:16:51 +01:00
parent eda5ae9d75
commit 3416f7b521
7 changed files with 202 additions and 4 deletions
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10
platform/javascript/js/engine/config.js
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@ -90,6 +90,14 @@ const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-
* @default
*/
args: [],
/**
* When enabled, this will turn on experimental virtual keyboard support on mobile.
*
* @memberof EngineConfig
* @type {boolean}
* @default
*/
experimentalVK: false,
/**
* @ignore
* @type {Array.<string>}
@ -223,6 +231,7 @@ const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-
this.locale = parse('locale', this.locale);
this.canvasResizePolicy = parse('canvasResizePolicy', this.canvasResizePolicy);
this.persistentPaths = parse('persistentPaths', this.persistentPaths);
this.experimentalVK = parse('experimentalVK', this.experimentalVK);
this.gdnativeLibs = parse('gdnativeLibs', this.gdnativeLibs);
this.fileSizes = parse('fileSizes', this.fileSizes);
this.args = parse('args', this.args);
@ -307,6 +316,7 @@ const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-
'canvas': this.canvas,
'canvasResizePolicy': this.canvasResizePolicy,
'locale': locale,
'virtualKeyboard': this.experimentalVK,
'onExecute': this.onExecute,
'onExit': function (p_code) {
cleanup(); // We always need to call the cleanup callback to free memory.