diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmeventtranslator.cpp')
| -rw-r--r-- | src/plugins/platforms/wasm/qwasmeventtranslator.cpp | 779 |
1 files changed, 578 insertions, 201 deletions
diff --git a/src/plugins/platforms/wasm/qwasmeventtranslator.cpp b/src/plugins/platforms/wasm/qwasmeventtranslator.cpp index cc48c15b64..f4ca49997a 100644 --- a/src/plugins/platforms/wasm/qwasmeventtranslator.cpp +++ b/src/plugins/platforms/wasm/qwasmeventtranslator.cpp @@ -31,6 +31,7 @@ #include "qwasmeventdispatcher.h" #include "qwasmcompositor.h" #include "qwasmintegration.h" +#include "qwasmclipboard.h" #include <QtGui/qevent.h> #include <qpa/qwindowsysteminterface.h> @@ -39,6 +40,9 @@ #include <QtCore/qobject.h> #include <QtCore/qdeadlinetimer.h> +#include <private/qmakearray_p.h> +#include <QtCore/qnamespace.h> + #include <emscripten/bind.h> #include <iostream> @@ -46,70 +50,336 @@ QT_BEGIN_NAMESPACE using namespace emscripten; +typedef struct emkb2qt { + const char *em; + unsigned int qt; + + constexpr bool operator <=(const emkb2qt &that) const noexcept + { + return !(strcmp(that) > 0); + } + + bool operator <(const emkb2qt &that) const noexcept + { + return ::strcmp(em, that.em) < 0; + } + constexpr int strcmp(const emkb2qt &that, const int i = 0) const + { + return em[i] == 0 && that.em[i] == 0 ? 0 + : em[i] == 0 ? -1 + : that.em[i] == 0 ? 1 + : em[i] < that.em[i] ? -1 + : em[i] > that.em[i] ? 1 + : strcmp(that, i + 1); + } +} emkb2qt_t; + +template<unsigned int Qt, char ... EmChar> +struct Emkb2Qt +{ + static constexpr const char storage[sizeof ... (EmChar) + 1] = {EmChar..., '\0'}; + using Type = emkb2qt_t; + static constexpr Type data() noexcept { return Type{storage, Qt}; } +}; + +template<unsigned int Qt, char ... EmChar> constexpr char Emkb2Qt<Qt, EmChar...>::storage[]; + +static constexpr const auto KeyTbl = qMakeArray( + QSortedData< + Emkb2Qt< Qt::Key_Escape, 'E','s','c','a','p','e' >, + Emkb2Qt< Qt::Key_Tab, 'T','a','b' >, + Emkb2Qt< Qt::Key_Backspace, 'B','a','c','k','s','p','a','c','e' >, + Emkb2Qt< Qt::Key_Return, 'E','n','t','e','r' >, + Emkb2Qt< Qt::Key_Insert, 'I','n','s','e','r','t' >, + Emkb2Qt< Qt::Key_Delete, 'D','e','l','e','t','e' >, + Emkb2Qt< Qt::Key_Pause, 'P','a','u','s','e' >, + Emkb2Qt< Qt::Key_Pause, 'C','l','e','a','r' >, + Emkb2Qt< Qt::Key_Home, 'H','o','m','e' >, + Emkb2Qt< Qt::Key_End, 'E','n','d' >, + Emkb2Qt< Qt::Key_Left, 'A','r','r','o','w','L','e','f','t' >, + Emkb2Qt< Qt::Key_Up, 'A','r','r','o','w','U','p' >, + Emkb2Qt< Qt::Key_Right, 'A','r','r','o','w','R','i','g','h','t' >, + Emkb2Qt< Qt::Key_Down, 'A','r','r','o','w','D','o','w','n' >, + Emkb2Qt< Qt::Key_PageUp, 'P','a','g','e','U','p' >, + Emkb2Qt< Qt::Key_PageDown, 'P','a','g','e','D','o','w','n' >, + Emkb2Qt< Qt::Key_Shift, 'S','h','i','f','t' >, + Emkb2Qt< Qt::Key_Control, 'C','o','n','t','r','o','l' >, + Emkb2Qt< Qt::Key_Meta, 'O','S'>, + Emkb2Qt< Qt::Key_Alt, 'A','l','t','L','e','f','t' >, + Emkb2Qt< Qt::Key_Alt, 'A','l','t' >, + Emkb2Qt< Qt::Key_CapsLock, 'C','a','p','s','L','o','c','k' >, + Emkb2Qt< Qt::Key_NumLock, 'N','u','m','L','o','c','k' >, + Emkb2Qt< Qt::Key_ScrollLock, 'S','c','r','o','l','l','L','o','c','k' >, + Emkb2Qt< Qt::Key_F1, 'F','1' >, + Emkb2Qt< Qt::Key_F2, 'F','2' >, + Emkb2Qt< Qt::Key_F3, 'F','3' >, + Emkb2Qt< Qt::Key_F4, 'F','4' >, + Emkb2Qt< Qt::Key_F5, 'F','5' >, + Emkb2Qt< Qt::Key_F6, 'F','6' >, + Emkb2Qt< Qt::Key_F7, 'F','7' >, + Emkb2Qt< Qt::Key_F8, 'F','8' >, + Emkb2Qt< Qt::Key_F9, 'F','9' >, + Emkb2Qt< Qt::Key_F10, 'F','1','0' >, + Emkb2Qt< Qt::Key_F11, 'F','1','1' >, + Emkb2Qt< Qt::Key_F12, 'F','1','2' >, + Emkb2Qt< Qt::Key_F13, 'F','1','3' >, + Emkb2Qt< Qt::Key_F14, 'F','1','4' >, + Emkb2Qt< Qt::Key_F15, 'F','1','5' >, + Emkb2Qt< Qt::Key_F16, 'F','1','6' >, + Emkb2Qt< Qt::Key_F17, 'F','1','7' >, + Emkb2Qt< Qt::Key_F18, 'F','1','8' >, + Emkb2Qt< Qt::Key_F19, 'F','1','9' >, + Emkb2Qt< Qt::Key_F20, 'F','2','0' >, + Emkb2Qt< Qt::Key_F21, 'F','2','1' >, + Emkb2Qt< Qt::Key_F22, 'F','2','2' >, + Emkb2Qt< Qt::Key_F23, 'F','2','3' >, + Emkb2Qt< Qt::Key_Space, ' ' >, + Emkb2Qt< Qt::Key_Comma, ',' >, + Emkb2Qt< Qt::Key_Minus, '-' >, + Emkb2Qt< Qt::Key_Period, '.' >, + Emkb2Qt< Qt::Key_Slash, '/' >, + Emkb2Qt< Qt::Key_0, '0' >, + Emkb2Qt< Qt::Key_1, '1' >, + Emkb2Qt< Qt::Key_2, '2' >, + Emkb2Qt< Qt::Key_3, '3' >, + Emkb2Qt< Qt::Key_4, '4' >, + Emkb2Qt< Qt::Key_5, '5' >, + Emkb2Qt< Qt::Key_6, '6' >, + Emkb2Qt< Qt::Key_7, '7' >, + Emkb2Qt< Qt::Key_8, '8' >, + Emkb2Qt< Qt::Key_9, '9' >, + Emkb2Qt< Qt::Key_Semicolon, ';' >, + Emkb2Qt< Qt::Key_Equal, '=' >, + Emkb2Qt< Qt::Key_A, 'K','e','y','A' >, + Emkb2Qt< Qt::Key_B, 'K','e','y','B' >, + Emkb2Qt< Qt::Key_C, 'K','e','y','C' >, + Emkb2Qt< Qt::Key_D, 'K','e','y','D' >, + Emkb2Qt< Qt::Key_E, 'K','e','y','E' >, + Emkb2Qt< Qt::Key_F, 'K','e','y','F' >, + Emkb2Qt< Qt::Key_G, 'K','e','y','G' >, + Emkb2Qt< Qt::Key_H, 'K','e','y','H' >, + Emkb2Qt< Qt::Key_I, 'K','e','y','I' >, + Emkb2Qt< Qt::Key_J, 'K','e','y','J' >, + Emkb2Qt< Qt::Key_K, 'K','e','y','K' >, + Emkb2Qt< Qt::Key_L, 'K','e','y','L' >, + Emkb2Qt< Qt::Key_M, 'K','e','y','M' >, + Emkb2Qt< Qt::Key_N, 'K','e','y','N' >, + Emkb2Qt< Qt::Key_O, 'K','e','y','O' >, + Emkb2Qt< Qt::Key_P, 'K','e','y','P' >, + Emkb2Qt< Qt::Key_Q, 'K','e','y','Q' >, + Emkb2Qt< Qt::Key_R, 'K','e','y','R' >, + Emkb2Qt< Qt::Key_S, 'K','e','y','S' >, + Emkb2Qt< Qt::Key_T, 'K','e','y','T' >, + Emkb2Qt< Qt::Key_U, 'K','e','y','U' >, + Emkb2Qt< Qt::Key_V, 'K','e','y','V' >, + Emkb2Qt< Qt::Key_W, 'K','e','y','W' >, + Emkb2Qt< Qt::Key_X, 'K','e','y','X' >, + Emkb2Qt< Qt::Key_Y, 'K','e','y','Y' >, + Emkb2Qt< Qt::Key_Z, 'K','e','y','Z' >, + Emkb2Qt< Qt::Key_BracketLeft, '[' >, + Emkb2Qt< Qt::Key_Backslash, '\\' >, + Emkb2Qt< Qt::Key_BracketRight, ']' >, + Emkb2Qt< Qt::Key_Apostrophe, '\'' >, + Emkb2Qt< Qt::Key_QuoteLeft, 'B','a','c','k','q','u','o','t','e' >, + Emkb2Qt< Qt::Key_multiply, 'N','u','m','p','a','d','M','u','l','t','i','p','l','y' >, + Emkb2Qt< Qt::Key_Minus, 'N','u','m','p','a','d','S','u','b','t','r','a','c','t' >, + Emkb2Qt< Qt::Key_Period, 'N','u','m','p','a','d','D','e','c','i','m','a','l' >, + Emkb2Qt< Qt::Key_Plus, 'N','u','m','p','a','d','A','d','d' >, + Emkb2Qt< Qt::Key_division, 'N','u','m','p','a','d','D','i','v','i','d','e' >, + Emkb2Qt< Qt::Key_Equal, 'N','u','m','p','a','d','E','q','u','a','l' >, + Emkb2Qt< Qt::Key_0, 'N','u','m','p','a','d','0' >, + Emkb2Qt< Qt::Key_1, 'N','u','m','p','a','d','1' >, + Emkb2Qt< Qt::Key_2, 'N','u','m','p','a','d','2' >, + Emkb2Qt< Qt::Key_3, 'N','u','m','p','a','d','3' >, + Emkb2Qt< Qt::Key_4, 'N','u','m','p','a','d','4' >, + Emkb2Qt< Qt::Key_5, 'N','u','m','p','a','d','5' >, + Emkb2Qt< Qt::Key_6, 'N','u','m','p','a','d','6' >, + Emkb2Qt< Qt::Key_7, 'N','u','m','p','a','d','7' >, + Emkb2Qt< Qt::Key_8, 'N','u','m','p','a','d','8' >, + Emkb2Qt< Qt::Key_9, 'N','u','m','p','a','d','9' >, + Emkb2Qt< Qt::Key_Comma, 'N','u','m','p','a','d','C','o','m','m','a' >, + Emkb2Qt< Qt::Key_Enter, 'N','u','m','p','a','d','E','n','t','e','r' >, + Emkb2Qt< Qt::Key_Paste, 'P','a','s','t','e' >, + Emkb2Qt< Qt::Key_AltGr, 'A','l','t','R','i','g','h','t' >, + Emkb2Qt< Qt::Key_Help, 'H','e','l','p' >, + Emkb2Qt< Qt::Key_Equal, '=' >, + Emkb2Qt< Qt::Key_yen, 'I','n','t','l','Y','e','n' >, + + Emkb2Qt< Qt::Key_Exclam, '\x21' >, + Emkb2Qt< Qt::Key_QuoteDbl, '\x22' >, + Emkb2Qt< Qt::Key_NumberSign, '\x23' >, + Emkb2Qt< Qt::Key_Dollar, '\x24' >, + Emkb2Qt< Qt::Key_Percent, '\x25' >, + Emkb2Qt< Qt::Key_Ampersand, '\x26' >, + Emkb2Qt< Qt::Key_ParenLeft, '\x28' >, + Emkb2Qt< Qt::Key_ParenRight, '\x29' >, + Emkb2Qt< Qt::Key_Asterisk, '\x2a' >, + Emkb2Qt< Qt::Key_Plus, '\x2b' >, + Emkb2Qt< Qt::Key_Colon, '\x3a' >, + Emkb2Qt< Qt::Key_Semicolon, '\x3b' >, + Emkb2Qt< Qt::Key_Less, '\x3c' >, + Emkb2Qt< Qt::Key_Equal, '\x3d' >, + Emkb2Qt< Qt::Key_Greater, '\x3e' >, + Emkb2Qt< Qt::Key_Question, '\x3f' >, + Emkb2Qt< Qt::Key_At, '\x40' >, + Emkb2Qt< Qt::Key_BracketLeft, '\x5b' >, + Emkb2Qt< Qt::Key_Backslash, '\x5c' >, + Emkb2Qt< Qt::Key_BracketRight, '\x5d' >, + Emkb2Qt< Qt::Key_AsciiCircum, '\x5e' >, + Emkb2Qt< Qt::Key_Underscore, '\x5f' >, + Emkb2Qt< Qt::Key_QuoteLeft, '\x60'>, + Emkb2Qt< Qt::Key_BraceLeft, '\x7b'>, + Emkb2Qt< Qt::Key_Bar, '\x7c'>, + Emkb2Qt< Qt::Key_BraceRight, '\x7d'>, + Emkb2Qt< Qt::Key_AsciiTilde, '\x7e'>, + Emkb2Qt< Qt::Key_Space, '\x20' >, + Emkb2Qt< Qt::Key_Comma, '\x2c' >, + Emkb2Qt< Qt::Key_Minus, '\x2d' >, + Emkb2Qt< Qt::Key_Period, '\x2e' >, + Emkb2Qt< Qt::Key_Slash, '\x2f' >, + Emkb2Qt< Qt::Key_Apostrophe, '\x27' >, + Emkb2Qt< Qt::Key_Menu, 'C','o','n','t','e','x','t','M','e','n','u' >, + + Emkb2Qt< Qt::Key_Agrave, '\xc3','\xa0' >, + Emkb2Qt< Qt::Key_Aacute, '\xc3','\xa1' >, + Emkb2Qt< Qt::Key_Acircumflex, '\xc3','\xa2' >, + Emkb2Qt< Qt::Key_Adiaeresis, '\xc3','\xa4' >, + Emkb2Qt< Qt::Key_AE, '\xc3','\xa6' >, + Emkb2Qt< Qt::Key_Atilde, '\xc3','\xa3' >, + Emkb2Qt< Qt::Key_Aring, '\xc3','\xa5' >, + Emkb2Qt< Qt::Key_Ccedilla, '\xc3','\xa7' >, + Emkb2Qt< Qt::Key_Egrave, '\xc3','\xa8' >, + Emkb2Qt< Qt::Key_Eacute, '\xc3','\xa9' >, + Emkb2Qt< Qt::Key_Ecircumflex, '\xc3','\xaa' >, + Emkb2Qt< Qt::Key_Ediaeresis, '\xc3','\xab' >, + Emkb2Qt< Qt::Key_Icircumflex, '\xc3','\xae' >, + Emkb2Qt< Qt::Key_Idiaeresis, '\xc3','\xaf' >, + Emkb2Qt< Qt::Key_Ocircumflex, '\xc3','\xb4' >, + Emkb2Qt< Qt::Key_Odiaeresis, '\xc3','\xb6' >, + Emkb2Qt< Qt::Key_Ograve, '\xc3','\xb2' >, + Emkb2Qt< Qt::Key_Oacute, '\xc3','\xb3' >, + Emkb2Qt< Qt::Key_Ooblique, '\xc3','\xb8' >, + Emkb2Qt< Qt::Key_Otilde, '\xc3','\xb5' >, + Emkb2Qt< Qt::Key_Ucircumflex, '\xc3','\xbb' >, + Emkb2Qt< Qt::Key_Udiaeresis, '\xc3','\xbc' >, + Emkb2Qt< Qt::Key_Ugrave, '\xc3','\xb9' >, + Emkb2Qt< Qt::Key_Uacute, '\xc3','\xba' >, + Emkb2Qt< Qt::Key_Ntilde, '\xc3','\xb1' >, + Emkb2Qt< Qt::Key_ydiaeresis, '\xc3','\xbf' > + >::Data{} + ); + +static constexpr const auto DeadKeyShiftTbl = qMakeArray( + QSortedData< + // shifted + Emkb2Qt< Qt::Key_Agrave, '\xc3','\x80' >, + Emkb2Qt< Qt::Key_Aacute, '\xc3','\x81' >, + Emkb2Qt< Qt::Key_Acircumflex, '\xc3','\x82' >, + Emkb2Qt< Qt::Key_Adiaeresis, '\xc3','\x84' >, + Emkb2Qt< Qt::Key_AE, '\xc3','\x86' >, + Emkb2Qt< Qt::Key_Atilde, '\xc3','\x83' >, + Emkb2Qt< Qt::Key_Aring, '\xc3','\x85' >, + Emkb2Qt< Qt::Key_Egrave, '\xc3','\x88' >, + Emkb2Qt< Qt::Key_Eacute, '\xc3','\x89' >, + Emkb2Qt< Qt::Key_Ecircumflex, '\xc3','\x8a' >, + Emkb2Qt< Qt::Key_Ediaeresis, '\xc3','\x8b' >, + Emkb2Qt< Qt::Key_Icircumflex, '\xc3','\x8e' >, + Emkb2Qt< Qt::Key_Idiaeresis, '\xc3','\x8f' >, + Emkb2Qt< Qt::Key_Ocircumflex, '\xc3','\x94' >, + Emkb2Qt< Qt::Key_Odiaeresis, '\xc3','\x96' >, + Emkb2Qt< Qt::Key_Ograve, '\xc3','\x92' >, + Emkb2Qt< Qt::Key_Oacute, '\xc3','\x93' >, + Emkb2Qt< Qt::Key_Ooblique, '\xc3','\x98' >, + Emkb2Qt< Qt::Key_Otilde, '\xc3','\x95' >, + Emkb2Qt< Qt::Key_Ucircumflex, '\xc3','\x9b' >, + Emkb2Qt< Qt::Key_Udiaeresis, '\xc3','\x9c' >, + Emkb2Qt< Qt::Key_Ugrave, '\xc3','\x99' >, + Emkb2Qt< Qt::Key_Uacute, '\xc3','\x9a' >, + Emkb2Qt< Qt::Key_Ntilde, '\xc3','\x91' >, + Emkb2Qt< Qt::Key_Ccedilla, '\xc3','\x87' >, + Emkb2Qt< Qt::Key_ydiaeresis, '\xc3','\x8f' > + >::Data{} +); + // macOS CTRL <-> META switching. We most likely want to enable // the existing switching code in QtGui, but for now do it here. static bool g_usePlatformMacCtrlMetaSwitching = false; -bool g_useNaturalScrolling = false; +bool g_useNaturalScrolling = true; // natural scrolling is default on linux/windows + +static void mouseWheelEvent(emscripten::val event) { + + emscripten::val wheelInterted = event["webkitDirectionInvertedFromDevice"]; -void setNaturalScrolling(bool use) { - g_useNaturalScrolling = use; + if (wheelInterted.as<bool>()) { + g_useNaturalScrolling = true; + } } -EMSCRIPTEN_BINDINGS(mouse_module) { - function("setNaturalScrolling", &setNaturalScrolling); +EMSCRIPTEN_BINDINGS(qtMouseModule) { + function("qtMouseWheelEvent", &mouseWheelEvent); } -QWasmEventTranslator::QWasmEventTranslator(QObject *parent) - : QObject(parent) +QWasmEventTranslator::QWasmEventTranslator(QWasmScreen *screen) + : QObject(screen) , draggedWindow(nullptr) + , lastWindow(nullptr) , pressedButtons(Qt::NoButton) , resizeMode(QWasmWindow::ResizeNone) { - emscripten_set_keydown_callback(0, (void *)this, 1, &keyboard_cb); - emscripten_set_keyup_callback(0, (void *)this, 1, &keyboard_cb); - - emscripten_set_mousedown_callback(0, (void *)this, 1, &mouse_cb); - emscripten_set_mouseup_callback(0, (void *)this, 1, &mouse_cb); - emscripten_set_mousemove_callback(0, (void *)this, 1, &mouse_cb); - - emscripten_set_focus_callback(0, (void *)this, 1, &focus_cb); - - emscripten_set_wheel_callback(0, (void *)this, 1, &wheel_cb); - touchDevice = new QTouchDevice; touchDevice->setType(QTouchDevice::TouchScreen); touchDevice->setCapabilities(QTouchDevice::Position | QTouchDevice::Area | QTouchDevice::NormalizedPosition); QWindowSystemInterface::registerTouchDevice(touchDevice); - emscripten_set_touchstart_callback("#canvas", (void *)this, 1, &touchCallback); - emscripten_set_touchend_callback("#canvas", (void *)this, 1, &touchCallback); - emscripten_set_touchmove_callback("#canvas", (void *)this, 1, &touchCallback); - emscripten_set_touchcancel_callback("#canvas", (void *)this, 1, &touchCallback); + initEventHandlers(); +} + +void QWasmEventTranslator::initEventHandlers() +{ + qDebug() << "QWasmEventTranslator::initEventHandlers"; + + QByteArray _canvasId = screen()->canvasId().toUtf8(); + const char *canvasId = _canvasId.constData(); // The Platform Detect: expand coverage and move as needed enum Platform { GenericPlatform, MacOSPlatform }; - Platform platform = - Platform(EM_ASM_INT("if (navigator.platform.includes(\"Mac\")) return 1; return 0;")); - + Platform platform = Platform(emscripten::val::global("navigator")["platform"] + .call<bool>("includes", emscripten::val("Mac"))); g_usePlatformMacCtrlMetaSwitching = (platform == MacOSPlatform); if (platform == MacOSPlatform) { - g_useNaturalScrolling = true; //make this default on macOS - EM_ASM( - if (window.safari !== undefined) {//this only works on safari - Module["canvas"].addEventListener('wheel', mouseWheelEvent); - function mouseWheelEvent(e) { - if (event.webkitDirectionInvertedFromDevice) { - Module.setNaturalScrolling(event.webkitDirectionInvertedFromDevice); - } - } - } - ); + g_useNaturalScrolling = false; // make this !default on macOS + + if (emscripten::val::global("window")["safari"].isUndefined()) { + + emscripten::val::global(canvasId).call<void>("addEventListener", + std::string("wheel"), + val::module_property("qtMouseWheelEvent")); + } } + + emscripten_set_keydown_callback(canvasId, (void *)this, 1, &keyboard_cb); + emscripten_set_keyup_callback(canvasId, (void *)this, 1, &keyboard_cb); + + emscripten_set_mousedown_callback(canvasId, (void *)this, 1, &mouse_cb); + emscripten_set_mouseup_callback(canvasId, (void *)this, 1, &mouse_cb); + emscripten_set_mousemove_callback(canvasId, (void *)this, 1, &mouse_cb); + + emscripten_set_focus_callback(canvasId, (void *)this, 1, &focus_cb); + + emscripten_set_wheel_callback(canvasId, (void *)this, 1, &wheel_cb); + + emscripten_set_touchstart_callback(canvasId, (void *)this, 1, &touchCallback); + emscripten_set_touchend_callback(canvasId, (void *)this, 1, &touchCallback); + emscripten_set_touchmove_callback(canvasId, (void *)this, 1, &touchCallback); + emscripten_set_touchcancel_callback(canvasId, (void *)this, 1, &touchCallback); + + emscripten_set_resize_callback(nullptr, (void *)this, 1, uiEvent_cb); // Note: handles browser window resize + } template <typename Event> @@ -152,132 +422,49 @@ QFlags<Qt::KeyboardModifier> QWasmEventTranslator::translateMouseEventModifier(c int QWasmEventTranslator::keyboard_cb(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData) { - Q_UNUSED(userData) - - bool alphanumeric; - Qt::Key qtKey = translateEmscriptKey(keyEvent, &alphanumeric); - - QEvent::Type keyType = QEvent::None; - switch (eventType) { - case EMSCRIPTEN_EVENT_KEYPRESS: - case EMSCRIPTEN_EVENT_KEYDOWN: //down - keyType = QEvent::KeyPress; - break; - case EMSCRIPTEN_EVENT_KEYUP: //up - keyType = QEvent::KeyRelease; - break; - default: - break; - }; + QWasmEventTranslator *wasmTranslator = reinterpret_cast<QWasmEventTranslator *>(userData); + bool accepted = wasmTranslator->processKeyboard(eventType, keyEvent); - if (keyType == QEvent::None) - return 0; - - QString keyText = alphanumeric ? QString(keyEvent->key) : QString(); - bool accepted = QWindowSystemInterface::handleKeyEvent<QWindowSystemInterface::SynchronousDelivery>( - 0, keyType, qtKey, translateKeyboardEventModifier(keyEvent), keyText); - QWasmEventDispatcher::maintainTimers(); return accepted ? 1 : 0; } -Qt::Key QWasmEventTranslator::translateEmscriptKey(const EmscriptenKeyboardEvent *emscriptKey, bool *outAlphanumeric) +QWasmScreen *QWasmEventTranslator::screen() { - Qt::Key qtKey; - if (outAlphanumeric) - *outAlphanumeric = false; - - switch (emscriptKey->keyCode) { - case KeyMultiply: qtKey = Qt::Key_Asterisk; *outAlphanumeric = true; break; - case KeyAdd: qtKey = Qt::Key_Plus; *outAlphanumeric = true; break; - case KeyMinus: qtKey = Qt::Key_Minus; *outAlphanumeric = true; break; - case KeySubtract: qtKey = Qt::Key_Minus; *outAlphanumeric = true; break; - case KeyDecimal: qtKey = Qt::Key_Period; *outAlphanumeric = true; break; - case KeyDivide: qtKey = Qt::Key_Slash; *outAlphanumeric = true; break; - case KeyNumPad0: qtKey = Qt::Key_0; *outAlphanumeric = true; break; - case KeyNumPad1: qtKey = Qt::Key_1; *outAlphanumeric = true; break; - case KeyNumPad2: qtKey = Qt::Key_2; *outAlphanumeric = true; break; - case KeyNumPad3: qtKey = Qt::Key_3; *outAlphanumeric = true; break; - case KeyNumPad4: qtKey = Qt::Key_4; *outAlphanumeric = true; break; - case KeyNumPad5: qtKey = Qt::Key_5; *outAlphanumeric = true; break; - case KeyNumPad6: qtKey = Qt::Key_6; *outAlphanumeric = true; break; - case KeyNumPad7: qtKey = Qt::Key_7; *outAlphanumeric = true; break; - case KeyNumPad8: qtKey = Qt::Key_8; *outAlphanumeric = true; break; - case KeyNumPad9: qtKey = Qt::Key_9; *outAlphanumeric = true; break; - case KeyComma: qtKey = Qt::Key_Comma; *outAlphanumeric = true; break; - case KeyPeriod: qtKey = Qt::Key_Period; *outAlphanumeric = true; break; - case KeySlash: qtKey = Qt::Key_Slash; *outAlphanumeric = true; break; - case KeySemiColon: qtKey = Qt::Key_Semicolon; *outAlphanumeric = true; break; - case KeyEquals: qtKey = Qt::Key_Equal; *outAlphanumeric = true; break; - case KeyOpenBracket: qtKey = Qt::Key_BracketLeft; *outAlphanumeric = true; break; - case KeyCloseBracket: qtKey = Qt::Key_BracketRight; *outAlphanumeric = true; break; - case KeyBackSlash: qtKey = Qt::Key_Backslash; *outAlphanumeric = true; break; - case KeyMeta: - Q_FALLTHROUGH(); - case KeyMetaRight: - qtKey = Qt::Key_Meta; - break; - case KeyTab: qtKey = Qt::Key_Tab; break; - case KeyClear: qtKey = Qt::Key_Clear; break; - case KeyBackSpace: qtKey = Qt::Key_Backspace; break; - case KeyEnter: qtKey = Qt::Key_Return; break; - case KeyShift: qtKey = Qt::Key_Shift; break; - case KeyControl: qtKey = Qt::Key_Control; break; - case KeyAlt: qtKey = Qt::Key_Alt; break; - case KeyCapsLock: qtKey = Qt::Key_CapsLock; break; - case KeyEscape: qtKey = Qt::Key_Escape; break; - case KeyPageUp: qtKey = Qt::Key_PageUp; break; - case KeyPageDown: qtKey = Qt::Key_PageDown; break; - case KeyEnd: qtKey = Qt::Key_End; break; - case KeyHome: qtKey = Qt::Key_Home; break; - case KeyLeft: qtKey = Qt::Key_Left; break; - case KeyUp: qtKey = Qt::Key_Up; break; - case KeyRight: qtKey = Qt::Key_Right; break; - case KeyDown: qtKey = Qt::Key_Down; break; - case KeyBrightnessDown: qtKey = Qt::Key_MonBrightnessDown; break; - case KeyBrightnessUp: qtKey = Qt::Key_MonBrightnessUp; break; - case KeyMediaTrackPrevious: qtKey = Qt::Key_MediaPrevious; break; - case KeyMediaPlayPause: qtKey = Qt::Key_MediaTogglePlayPause; break; - case KeyMediaTrackNext: qtKey = Qt::Key_MediaNext; break; - case KeyAudioVolumeMute: qtKey = Qt::Key_VolumeMute; break; - case KeyAudioVolumeDown: qtKey = Qt::Key_VolumeDown; break; - case KeyAudioVolumeUp: qtKey = Qt::Key_VolumeUp; break; - case KeyDelete: qtKey = Qt::Key_Delete; break; - - case KeyF1: qtKey = Qt::Key_F1; break; - case KeyF2: qtKey = Qt::Key_F2; break; - case KeyF3: qtKey = Qt::Key_F3; break; - case KeyF4: qtKey = Qt::Key_F4; break; - case KeyF5: qtKey = Qt::Key_F5; break; - case KeyF6: qtKey = Qt::Key_F6; break; - case KeyF7: qtKey = Qt::Key_F7; break; - case KeyF8: qtKey = Qt::Key_F8; break; - case KeyF9: qtKey = Qt::Key_F9; break; - case KeyF10: qtKey = Qt::Key_F10; break; - case KeyF11: qtKey = Qt::Key_F11; break; - case KeyF12: qtKey = Qt::Key_F12; break; - case 124: qtKey = Qt::Key_F13; break; - case 125: qtKey = Qt::Key_F14; break; - - case KeySpace: - default: - if (outAlphanumeric) - *outAlphanumeric = true; - qtKey = static_cast<Qt::Key>(emscriptKey->keyCode); - break; - } + return static_cast<QWasmScreen *>(parent()); +} - // Handle Mac command key. Using event->keyCode as above is - // no reliable since the codes differ between browsers. - if (qstrncmp(emscriptKey->key, "Meta", 4) == 0) { - qtKey = Qt::Key_Meta; - *outAlphanumeric = false; +Qt::Key QWasmEventTranslator::translateEmscriptKey(const EmscriptenKeyboardEvent *emscriptKey) +{ + Qt::Key qtKey = Qt::Key_unknown; + + if (qstrncmp(emscriptKey->code, "Key", 3) == 0 || qstrncmp(emscriptKey->code, "Numpad", 6) == 0) { + + emkb2qt_t searchKey{emscriptKey->code, 0}; // search emcsripten code + auto it1 = std::lower_bound(KeyTbl.cbegin(), KeyTbl.cend(), searchKey); + if (it1 != KeyTbl.end() && !(searchKey < *it1)) { + qtKey = static_cast<Qt::Key>(it1->qt); + } + } else if (qstrncmp(emscriptKey->key, "Dead", 4) == 0 ) { + emkb2qt_t searchKey1{emscriptKey->code, 0}; + for (auto it1 = KeyTbl.cbegin(); it1 != KeyTbl.end(); ++it1) + if (it1 != KeyTbl.end() && (qstrcmp(searchKey1.em, it1->em) == 0)) { + qtKey = static_cast<Qt::Key>(it1->qt); + } } - if (g_usePlatformMacCtrlMetaSwitching) { - if (qtKey == Qt::Key_Meta) - qtKey = Qt::Key_Control; - else if (qtKey == Qt::Key_Control) - qtKey = Qt::Key_Meta; + if (qtKey == Qt::Key_unknown) { + emkb2qt_t searchKey{emscriptKey->key, 0}; // search unicode key + auto it1 = std::lower_bound(KeyTbl.cbegin(), KeyTbl.cend(), searchKey); + if (it1 != KeyTbl.end() && !(searchKey < *it1)) { + qtKey = static_cast<Qt::Key>(it1->qt); + } + } + if (qtKey == Qt::Key_unknown) {//try harder with shifted number keys + emkb2qt_t searchKey1{emscriptKey->key, 0}; + for (auto it1 = KeyTbl.cbegin(); it1 != KeyTbl.end(); ++it1) + if (it1 != KeyTbl.end() && (qstrcmp(searchKey1.em, it1->em) == 0)) { + qtKey = static_cast<Qt::Key>(it1->qt); + } } return qtKey; @@ -362,26 +549,30 @@ void resizeWindow(QWindow *window, QWasmWindow::ResizeMode mode, void QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEvent *mouseEvent) { auto timestamp = mouseEvent->timestamp; - QPoint point(mouseEvent->canvasX, mouseEvent->canvasY); + QPoint targetPoint(mouseEvent->targetX, mouseEvent->targetY); + QPoint globalPoint = screen()->geometry().topLeft() + targetPoint; QEvent::Type buttonEventType = QEvent::None; - Qt::MouseButton button = translateMouseButton(mouseEvent->button); Qt::KeyboardModifiers modifiers = translateMouseEventModifier(mouseEvent); - QWindow *window2 = QWasmIntegration::get()->compositor()->windowAt(point, 5); - QWasmWindow *htmlWindow = static_cast<QWasmWindow*>(window2->handle()); - bool onFrame = false; - if (window2 && !window2->geometry().contains(point)) - onFrame = true; + QWindow *window2 = screen()->compositor()->windowAt(globalPoint, 5); + if (window2 == nullptr) + return; + lastWindow = window2; - QPoint localPoint(point.x() - window2->geometry().x(), point.y() - window2->geometry().y()); + QPoint localPoint = window2->mapFromGlobal(globalPoint); + bool interior = window2->geometry().contains(globalPoint); + QWasmWindow *htmlWindow = static_cast<QWasmWindow*>(window2->handle()); switch (eventType) { - case 5: //down + case EMSCRIPTEN_EVENT_MOUSEDOWN: { - if (window2) + if (window2) { window2->raise(); + if (!window2->isActive()) + window2->requestActivate(); + } pressedButtons.setFlag(button); @@ -389,21 +580,21 @@ void QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven pressedWindow = window2; buttonEventType = QEvent::MouseButtonPress; if (!(htmlWindow->m_windowState & Qt::WindowFullScreen) && !(htmlWindow->m_windowState & Qt::WindowMaximized)) { - if (htmlWindow && window2->flags().testFlag(Qt::WindowTitleHint) && htmlWindow->isPointOnTitle(point)) + if (htmlWindow && window2->flags().testFlag(Qt::WindowTitleHint) && htmlWindow->isPointOnTitle(globalPoint)) draggedWindow = window2; - else if (htmlWindow && htmlWindow->isPointOnResizeRegion(point)) { + else if (htmlWindow && htmlWindow->isPointOnResizeRegion(globalPoint)) { draggedWindow = window2; - resizeMode = htmlWindow->resizeModeAtPoint(point); - resizePoint = point; + resizeMode = htmlWindow->resizeModeAtPoint(globalPoint); + resizePoint = globalPoint; resizeStartRect = window2->geometry(); } } } - htmlWindow->injectMousePressed(localPoint, point, button, modifiers); + htmlWindow->injectMousePressed(localPoint, globalPoint, button, modifiers); break; } - case 6: //up + case EMSCRIPTEN_EVENT_MOUSEUP: { pressedButtons.setFlag(translateMouseButton(mouseEvent->button), false); buttonEventType = QEvent::MouseButtonRelease; @@ -414,17 +605,16 @@ void QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven pressedWindow = nullptr; } - if (mouseEvent->button == 0) { draggedWindow = nullptr; resizeMode = QWasmWindow::ResizeNone; } if (oldWindow) - oldWindow->injectMouseReleased(localPoint, point, button, modifiers); + oldWindow->injectMouseReleased(localPoint, globalPoint, button, modifiers); break; } - case 8://move //drag event + case EMSCRIPTEN_EVENT_MOUSEMOVE: // drag event { buttonEventType = QEvent::MouseMove; if (!(htmlWindow->m_windowState & Qt::WindowFullScreen) && !(htmlWindow->m_windowState & Qt::WindowMaximized)) { @@ -440,13 +630,17 @@ void QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven } break; } - default: + default: // MOUSELEAVE MOUSEENTER break; }; - - if (window2 && !onFrame) { + if (!window2 && buttonEventType == QEvent::MouseButtonRelease) { + window2 = lastWindow; + lastWindow = nullptr; + interior = true; + } + if (window2 && interior) { QWindowSystemInterface::handleMouseEvent<QWindowSystemInterface::SynchronousDelivery>( - window2, timestamp, localPoint, point, pressedButtons, button, buttonEventType, modifiers); + window2, timestamp, localPoint, globalPoint, pressedButtons, button, buttonEventType, modifiers); } } @@ -458,8 +652,8 @@ int QWasmEventTranslator::focus_cb(int /*eventType*/, const EmscriptenFocusEvent int QWasmEventTranslator::wheel_cb(int eventType, const EmscriptenWheelEvent *wheelEvent, void *userData) { Q_UNUSED(eventType) - Q_UNUSED(userData) + QWasmEventTranslator *eventTranslator = static_cast<QWasmEventTranslator *>(userData); EmscriptenMouseEvent mouseEvent = wheelEvent->mouse; int scrollFactor = 0; @@ -478,25 +672,37 @@ int QWasmEventTranslator::wheel_cb(int eventType, const EmscriptenWheelEvent *wh if (g_useNaturalScrolling) //macOS platform has document oriented scrolling scrollFactor = -scrollFactor; - Qt::KeyboardModifiers modifiers = translateMouseEventModifier(&mouseEvent); + QWasmEventTranslator *translator = (QWasmEventTranslator*)userData; + Qt::KeyboardModifiers modifiers = translator->translateMouseEventModifier(&mouseEvent); auto timestamp = mouseEvent.timestamp; - QPoint globalPoint(mouseEvent.canvasX, mouseEvent.canvasY); + QPoint targetPoint(mouseEvent.targetX, mouseEvent.targetY); + QPoint globalPoint = eventTranslator->screen()->geometry().topLeft() + targetPoint; - QWindow *window2 = QWasmIntegration::get()->compositor()->windowAt(globalPoint, 5); - - QPoint localPoint(globalPoint.x() - window2->geometry().x(), globalPoint.y() - window2->geometry().y()); + QWindow *window2 = eventTranslator->screen()->compositor()->windowAt(globalPoint, 5); + if (!window2) + return 0; + QPoint localPoint = window2->mapFromGlobal(globalPoint); QPoint pixelDelta; if (wheelEvent->deltaY != 0) pixelDelta.setY(wheelEvent->deltaY * scrollFactor); if (wheelEvent->deltaX != 0) pixelDelta.setX(wheelEvent->deltaX * scrollFactor); - QWindowSystemInterface::handleWheelEvent(window2, timestamp, localPoint, globalPoint, QPoint(), pixelDelta, modifiers); + QWindowSystemInterface::handleWheelEvent(window2, timestamp, localPoint, + globalPoint, QPoint(), pixelDelta, modifiers); + QWasmEventDispatcher::maintainTimers(); + return 1; } int QWasmEventTranslator::touchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData) { + auto translator = reinterpret_cast<QWasmEventTranslator*>(userData); + return translator->handleTouch(eventType, touchEvent); +} + +int QWasmEventTranslator::handleTouch(int eventType, const EmscriptenTouchEvent *touchEvent) +{ QList<QWindowSystemInterface::TouchPoint> touchPointList; touchPointList.reserve(touchEvent->numTouches); QWindow *window2; @@ -505,46 +711,72 @@ int QWasmEventTranslator::touchCallback(int eventType, const EmscriptenTouchEven const EmscriptenTouchPoint *touches = &touchEvent->touches[i]; - QPoint point(touches->canvasX, touches->canvasY); - window2 = QWasmIntegration::get()->compositor()->windowAt(point, 5); + QPoint targetPoint(touches->targetX, touches->targetY); + QPoint globalPoint = screen()->geometry().topLeft() + targetPoint; + + window2 = this->screen()->compositor()->windowAt(globalPoint, 5); + if (window2 == nullptr) + continue; QWindowSystemInterface::TouchPoint touchPoint; - auto cX = point.x(); - auto cY = point.y(); touchPoint.area = QRect(0, 0, 8, 8); - touchPoint.area.moveCenter(QPointF(cX,cY)); // simulate area - touchPoint.id = touches->identifier; - touchPoint.normalPosition = QPointF(cX / window2->width(), cY / window2->height()); + touchPoint.pressure = 1.0; + + touchPoint.area.moveCenter(globalPoint); + + const auto tp = pressedTouchIds.constFind(touchPoint.id); + if (tp != pressedTouchIds.constEnd()) + touchPoint.normalPosition = tp.value(); + + QPointF localPoint = QPointF(window2->mapFromGlobal(globalPoint)); + QPointF normalPosition(localPoint.x() / window2->width(), + localPoint.y() / window2->height()); + + const bool stationaryTouchPoint = (normalPosition == touchPoint.normalPosition); + touchPoint.normalPosition = normalPosition; switch (eventType) { case EMSCRIPTEN_EVENT_TOUCHSTART: - touchPoint.state = Qt::TouchPointPressed; + if (tp != pressedTouchIds.constEnd()) { + touchPoint.state = (stationaryTouchPoint + ? Qt::TouchPointStationary + : Qt::TouchPointMoved); + } else { + touchPoint.state = Qt::TouchPointPressed; + } + pressedTouchIds.insert(touchPoint.id, touchPoint.normalPosition); + break; case EMSCRIPTEN_EVENT_TOUCHEND: touchPoint.state = Qt::TouchPointReleased; + pressedTouchIds.remove(touchPoint.id); break; case EMSCRIPTEN_EVENT_TOUCHMOVE: - touchPoint.state = Qt::TouchPointMoved; + touchPoint.state = (stationaryTouchPoint + ? Qt::TouchPointStationary + : Qt::TouchPointMoved); + + pressedTouchIds.insert(touchPoint.id, touchPoint.normalPosition); break; default: - Q_UNREACHABLE(); + break; } touchPointList.append(touchPoint); } - QWasmEventTranslator *wasmEventTranslator = (QWasmEventTranslator*)userData; QFlags<Qt::KeyboardModifier> keyModifier = translatKeyModifier(touchEvent); - if (eventType != EMSCRIPTEN_EVENT_TOUCHCANCEL) - QWindowSystemInterface::handleTouchEvent<QWindowSystemInterface::SynchronousDelivery>(window2, wasmEventTranslator->getTimestamp(), wasmEventTranslator->touchDevice, touchPointList, keyModifier); - else - QWindowSystemInterface::handleTouchCancelEvent(window2, wasmEventTranslator->getTimestamp(), wasmEventTranslator->touchDevice, keyModifier); + QWindowSystemInterface::handleTouchEvent<QWindowSystemInterface::SynchronousDelivery>( + window2, getTimestamp(), touchDevice, touchPointList, keyModifier); - QCoreApplication::processEvents(); - return 1; + if (eventType == EMSCRIPTEN_EVENT_TOUCHCANCEL) + QWindowSystemInterface::handleTouchCancelEvent(window2, getTimestamp(), touchDevice, keyModifier); + + QWasmEventDispatcher::maintainTimers(); + return 0; } quint64 QWasmEventTranslator::getTimestamp() @@ -552,4 +784,149 @@ quint64 QWasmEventTranslator::getTimestamp() return QDeadlineTimer::current().deadlineNSecs() / 1000; } +Qt::Key QWasmEventTranslator::translateDeadKey(Qt::Key deadKey, Qt::Key accentBaseKey) +{ + Qt::Key wasmKey = Qt::Key_unknown; + switch (deadKey) { +#ifdef Q_OS_MACOS + case Qt::Key_QuoteLeft: // ` macOS: Key_Dead_Grave +#else + case Qt::Key_O: // ´ Key_Dead_Grave +#endif + wasmKey = graveKeyTable.value(accentBaseKey); + break; + case Qt::Key_E: // ´ Key_Dead_Acute + wasmKey = acuteKeyTable.value(accentBaseKey); + break; + case Qt::Key_AsciiTilde: + case Qt::Key_N:// Key_Dead_Tilde + wasmKey = tildeKeyTable.value(accentBaseKey); + break; +#ifndef Q_OS_MACOS + case Qt::Key_QuoteLeft: +#endif + case Qt::Key_U:// ¨ Key_Dead_Diaeresis + wasmKey = diaeresisKeyTable.value(accentBaseKey); + break; + case Qt::Key_I:// macOS Key_Dead_Circumflex + case Qt::Key_6:// linux + case Qt::Key_Apostrophe:// linux + wasmKey = circumflexKeyTable.value(accentBaseKey); + break; + break; + default: + break; + }; + + return wasmKey; +} + +bool QWasmEventTranslator::processKeyboard(int eventType, const EmscriptenKeyboardEvent *keyEvent) +{ + Qt::Key qtKey = translateEmscriptKey(keyEvent); + + Qt::KeyboardModifiers modifiers = translateKeyboardEventModifier(keyEvent); + + QString keyText; + QEvent::Type keyType = QEvent::None; + switch (eventType) { + case EMSCRIPTEN_EVENT_KEYPRESS: + case EMSCRIPTEN_EVENT_KEYDOWN: // down + keyType = QEvent::KeyPress; + + if (m_emDeadKey != Qt::Key_unknown) { + + Qt::Key transformedKey = translateDeadKey(m_emDeadKey, qtKey); + + if (transformedKey != Qt::Key_unknown) + qtKey = transformedKey; + + if (keyEvent->shiftKey == 0) { + for (auto it = KeyTbl.cbegin(); it != KeyTbl.end(); ++it) { + if (it != KeyTbl.end() && (qtKey == static_cast<Qt::Key>(it->qt))) { + keyText = it->em; + m_emDeadKey = Qt::Key_unknown; + break; + } + } + } else { + for (auto it = DeadKeyShiftTbl.cbegin(); it != DeadKeyShiftTbl.end(); ++it) { + if (it != DeadKeyShiftTbl.end() && (qtKey == static_cast<Qt::Key>(it->qt))) { + keyText = it->em; + m_emDeadKey = Qt::Key_unknown; + break; + } + } + } + } + if (qstrncmp(keyEvent->key, "Dead", 4) == 0 || qtKey == Qt::Key_AltGr) { + qtKey = translateEmscriptKey(keyEvent); + m_emStickyDeadKey = true; + if (keyEvent->shiftKey == 1 && qtKey == Qt::Key_QuoteLeft) + qtKey = Qt::Key_AsciiTilde; + m_emDeadKey = qtKey; + } + break; + case EMSCRIPTEN_EVENT_KEYUP: // up + keyType = QEvent::KeyRelease; + if (m_emStickyDeadKey && qtKey != Qt::Key_Alt) { + m_emStickyDeadKey = false; + } + break; + default: + break; + }; + + if (keyType == QEvent::None) + return 0; + + QFlags<Qt::KeyboardModifier> mods = translateKeyboardEventModifier(keyEvent); + + // Clipboard fallback path: cut/copy/paste are handled by clipboard event + // handlers if direct clipboard access is not available. + if (!QWasmIntegration::get()->getWasmClipboard()->hasClipboardApi && modifiers & Qt::ControlModifier && + (qtKey == Qt::Key_X || qtKey == Qt::Key_C || qtKey == Qt::Key_V)) { + return 0; + } + + bool accepted = false; + + if (keyType == QEvent::KeyPress && + mods.testFlag(Qt::ControlModifier) + && qtKey == Qt::Key_V) { + QWasmIntegration::get()->getWasmClipboard()->readTextFromClipboard(); + } else { + if (keyText.isEmpty()) + keyText = QString(keyEvent->key); + if (keyText.size() > 1) + keyText.clear(); + accepted = QWindowSystemInterface::handleKeyEvent<QWindowSystemInterface::SynchronousDelivery>( + 0, keyType, qtKey, modifiers, keyText); + } + if (keyType == QEvent::KeyPress && + mods.testFlag(Qt::ControlModifier) + && qtKey == Qt::Key_C) { + QWasmIntegration::get()->getWasmClipboard()->writeTextToClipboard(); + } + + QWasmEventDispatcher::maintainTimers(); + + return accepted; +} + +int QWasmEventTranslator::uiEvent_cb(int eventType, const EmscriptenUiEvent *e, void *userData) +{ + Q_UNUSED(e) + QWasmEventTranslator *eventTranslator = static_cast<QWasmEventTranslator *>(userData); + + if (eventType == EMSCRIPTEN_EVENT_RESIZE) { + // This resize event is called when the HTML window is resized. Depending + // on the page layout the the canvas might also have been resized, so we + // update the Qt screen size (and canvas render size). + eventTranslator->screen()->updateQScreenAndCanvasRenderSize(); + } + + return 0; +} + QT_END_NAMESPACE |