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path: root/src/plugins/platforms/wasm/qwasmscreen.cpp
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* wasm: Specify event targets by CSS selectors; Support emsdk >= 1.39.5Morten Johan Sørvig2020-02-181-2/+2
| | | | | | | | | | | | | | | DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR is now on by default, which means that functions like emscripten_set_keydown_callback() now expects CSS selectors (e.g. "#canvas_id" instead of "canvas_id"). In addition, Module.canvas is no more. Add a deprecation warning in case someone is setting it and expects Qt to use it. (qtloader.js sets qtCanvasElements instead). This bumps the minimum supported emsdk version to 1.39.5. Change-Id: I38abb2a191076ea04581c29552657ee3e0b87dbc Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* wasm: fix redundant string conversions between wasm and JavaScriptAlexandra Cherdantseva2020-01-221-1/+3
| | | | | | | | | | | | | | | Avoid redundant conversions from UTF16 to UTF8 to UTF16 with help of new class QWasmString static methods: + QWasmString::fromQString to convert QString to js string using js Module.UTF16ToString + QWasmString::toQString to convert js string to QString using js Module.stringToUTF16 Fixed document.getElementById calls for cavasId with unicode characters. Change-Id: I3fc55bfeb6aeda75fa3acd85d22cea667b542f38 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io> Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* wasm: do not get canvas as property of js global objectAlexandra Cherdantseva2020-01-131-3/+6
| | | | | | | | | You cannot be sure that property with specified key in a global object is really a canvas. Should use `document.getElementById`. Change-Id: Ife55adaad5517aed64122b0c9bff32489cf19a2f Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* wasm: take canvas offset into accountLorn Potter2019-11-011-1/+5
| | | | | | | | | This fixes issue with dialogs when the canvas is not at 0,0 in the browser window Change-Id: I14f6754746e064921635d6b3af3353bf3620ac44 Fixes: QTBUG-79160 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* Prevent crash in QWasmScreen::resizeMaximizedWindows()Morten Johan Sørvig2019-09-181-0/+2
| | | | | | | | | screen() may return a null QScreen pointer during screen initialization. Fixes: QTBUG-78118 Change-Id: Ide26eb3f06861c38cd7ae56789dd010d4cd7e572 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* Merge remote-tracking branch 'origin/5.13.0' into 5.13Liang Qi2019-06-111-0/+5
|\ | | | | | | | | | | | | | | Conflicts: src/plugins/platforms/wasm/qwasmintegration.cpp src/plugins/platforms/wasm/qwasmintegration.h Change-Id: Idf4c7936513fb1f21daa8f6105b8545f13447bb8
| * wasm: controlled screen destructionMorten Johan Sørvig2019-05-141-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | Freeing OpenGL resources requires a current context, which (on wasm) requires a screen. Add a destroy() functions to QWasmScreen, QWasmCompositor, QWasmWindow, and QWasmBackingStore which facilitates OpenGL cleanup before we start deleting screen objects. Task-number: QTBUG-75463 Change-Id: I9954b536416b9147965c74459ccad838d1578778 Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* | wasm: support setting the font DPI from JSMorten Johan Sørvig2019-05-131-0/+12
|/ | | | | | | | | | | | | | | We have not really been able to determine what the default DPI should be, so make it configurable with API on qtloader.js: qtLoader.setFontDpi(72); Also lowers the default DPI to the standard value of 96 (down from Qt default 100). Task-number: QTBUG-75510 Change-Id: Ica1164c8d80bb06519233adebf2c9e400c0991ce Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
* wasm: support rendering to multiple canvasesMorten Johan Sørvig2019-03-081-19/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Qt (via the the qtloader.js API) now supports rendering to multiple canvases. The application sees each canvas as a QScreen. Make qtloader.js support multiple canvases: var qtloader = QtLoader({ canvasElements : [array-of-canvas], showCanvas: function() { // make canvas(es) visible }, }); The canvases were previously created/returned by showCanvas(), however this function is called after the Qt app has been started and adding screens that that point is too late. (This worked before since there was only one screen, and no need to connect each screen instance to specific canvas.) Remove QWasmScreen, QWasmCompositor, and QWasmEventTranslator singletons from QWasmIntegration. These are are now crated per-screen and are owned by the QWasmScreen. Task-number: QTBUG-64079 Change-Id: I24689929fd5bfb7ff0ba076f66937728fa4bc4e4 Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
* wasm: make wasm platform target a specific canvas instead of defaultLorn Potter2019-03-081-0/+29
| | | | | | | | This allows for multi canvas use Task-number: QTBUG-64079 Change-Id: I69c998aa4c2869bb5b7f14ba65bb63284365ad70 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* wasm: remove EM_ASM calls in wasm platform pluginLorn Potter2019-02-131-3/+2
| | | | | | Change-Id: I8453836b6730d18eaaa4ffe1fb9cb3933079ebee Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
* WebAssembly for QtBaseMorten Johan Sørvig2018-08-301-0/+118
This is the squashed diff from wip/webassembly to dev. Done-with: Peng Wu <peng.wu@intopalo.com> Done-with: Sami Enne <sami.enne@intopalo.com> Done-with: Morten Johan Sørvig <morten.sorvig@qt.io> Started-by: Andrew Knight <andrew.knight@intopalo.com> Change-Id: I6562433c0a38d6ec49ab675e0f104f2665f3392d Reviewed-by: Lorn Potter <lorn.potter@gmail.com> Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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