mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
786a526298
Differential Revision: https://phabricator.services.mozilla.com/D12255 --HG-- extra : moz-landing-system : lando
1726 lines
64 KiB
C++
1726 lines
64 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Logging.h"
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#include "nsGtkKeyUtils.h"
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#include <gdk/gdkkeysyms.h>
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#include <algorithm>
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#ifdef MOZ_WIDGET_GTK
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#include <gdk/gdkkeysyms-compat.h>
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#endif
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#include <X11/XKBlib.h>
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#include "WidgetUtils.h"
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#include "keysym2ucs.h"
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#include "nsContentUtils.h"
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#include "nsGtkUtils.h"
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#include "nsIBidiKeyboard.h"
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#include "nsServiceManagerUtils.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/TextEvents.h"
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#ifdef MOZ_WAYLAND
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#include <sys/mman.h>
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#endif
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namespace mozilla {
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namespace widget {
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LazyLogModule gKeymapWrapperLog("KeymapWrapperWidgets");
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#define IS_ASCII_ALPHABETICAL(key) \
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((('a' <= key) && (key <= 'z')) || (('A' <= key) && (key <= 'Z')))
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#define MOZ_MODIFIER_KEYS "MozKeymapWrapper"
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KeymapWrapper* KeymapWrapper::sInstance = nullptr;
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guint KeymapWrapper::sLastRepeatableHardwareKeyCode = 0;
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KeymapWrapper::RepeatState KeymapWrapper::sRepeatState =
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KeymapWrapper::NOT_PRESSED;
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static const char* GetBoolName(bool aBool)
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{
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return aBool ? "TRUE" : "FALSE";
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}
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/* static */ const char*
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KeymapWrapper::GetModifierName(Modifier aModifier)
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{
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switch (aModifier) {
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case CAPS_LOCK: return "CapsLock";
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case NUM_LOCK: return "NumLock";
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case SCROLL_LOCK: return "ScrollLock";
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case SHIFT: return "Shift";
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case CTRL: return "Ctrl";
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case ALT: return "Alt";
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case SUPER: return "Super";
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case HYPER: return "Hyper";
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case META: return "Meta";
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case LEVEL3: return "Level3";
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case LEVEL5: return "Level5";
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case NOT_MODIFIER: return "NotModifier";
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default: return "InvalidValue";
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}
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}
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/* static */ KeymapWrapper::Modifier
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KeymapWrapper::GetModifierForGDKKeyval(guint aGdkKeyval)
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{
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switch (aGdkKeyval) {
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case GDK_Caps_Lock: return CAPS_LOCK;
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case GDK_Num_Lock: return NUM_LOCK;
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case GDK_Scroll_Lock: return SCROLL_LOCK;
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case GDK_Shift_Lock:
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case GDK_Shift_L:
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case GDK_Shift_R: return SHIFT;
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case GDK_Control_L:
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case GDK_Control_R: return CTRL;
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case GDK_Alt_L:
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case GDK_Alt_R: return ALT;
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case GDK_Super_L:
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case GDK_Super_R: return SUPER;
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case GDK_Hyper_L:
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case GDK_Hyper_R: return HYPER;
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case GDK_Meta_L:
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case GDK_Meta_R: return META;
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case GDK_ISO_Level3_Shift:
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case GDK_Mode_switch: return LEVEL3;
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case GDK_ISO_Level5_Shift: return LEVEL5;
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default: return NOT_MODIFIER;
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}
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}
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guint
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KeymapWrapper::GetModifierMask(Modifier aModifier) const
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{
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switch (aModifier) {
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case CAPS_LOCK:
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return GDK_LOCK_MASK;
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case NUM_LOCK:
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return mModifierMasks[INDEX_NUM_LOCK];
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case SCROLL_LOCK:
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return mModifierMasks[INDEX_SCROLL_LOCK];
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case SHIFT:
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return GDK_SHIFT_MASK;
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case CTRL:
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return GDK_CONTROL_MASK;
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case ALT:
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return mModifierMasks[INDEX_ALT];
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case SUPER:
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return mModifierMasks[INDEX_SUPER];
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case HYPER:
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return mModifierMasks[INDEX_HYPER];
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case META:
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return mModifierMasks[INDEX_META];
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case LEVEL3:
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return mModifierMasks[INDEX_LEVEL3];
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case LEVEL5:
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return mModifierMasks[INDEX_LEVEL5];
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default:
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return 0;
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}
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}
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KeymapWrapper::ModifierKey*
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KeymapWrapper::GetModifierKey(guint aHardwareKeycode)
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{
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for (uint32_t i = 0; i < mModifierKeys.Length(); i++) {
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ModifierKey& key = mModifierKeys[i];
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if (key.mHardwareKeycode == aHardwareKeycode) {
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return &key;
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}
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}
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return nullptr;
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}
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/* static */ KeymapWrapper*
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KeymapWrapper::GetInstance()
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{
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if (sInstance) {
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sInstance->Init();
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return sInstance;
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}
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sInstance = new KeymapWrapper();
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return sInstance;
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}
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/* static */ void
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KeymapWrapper::Shutdown()
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{
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if (sInstance) {
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delete sInstance;
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sInstance = nullptr;
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}
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}
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KeymapWrapper::KeymapWrapper() :
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mInitialized(false), mGdkKeymap(gdk_keymap_get_default()),
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mXKBBaseEventCode(0)
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{
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p Constructor, mGdkKeymap=%p",
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this, mGdkKeymap));
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g_object_ref(mGdkKeymap);
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g_signal_connect(mGdkKeymap, "keys-changed",
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(GCallback)OnKeysChanged, this);
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g_signal_connect(mGdkKeymap, "direction-changed",
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(GCallback)OnDirectionChanged, this);
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if (GDK_IS_X11_DISPLAY(gdk_display_get_default()))
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InitXKBExtension();
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Init();
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}
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void
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KeymapWrapper::Init()
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{
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if (mInitialized) {
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return;
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}
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mInitialized = true;
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p Init, mGdkKeymap=%p",
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this, mGdkKeymap));
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mModifierKeys.Clear();
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memset(mModifierMasks, 0, sizeof(mModifierMasks));
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if (GDK_IS_X11_DISPLAY(gdk_display_get_default()))
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InitBySystemSettingsX11();
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#ifdef MOZ_WAYLAND
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else
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InitBySystemSettingsWayland();
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#endif
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gdk_window_add_filter(nullptr, FilterEvents, this);
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p Init, CapsLock=0x%X, NumLock=0x%X, "
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"ScrollLock=0x%X, Level3=0x%X, Level5=0x%X, "
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"Shift=0x%X, Ctrl=0x%X, Alt=0x%X, Meta=0x%X, Super=0x%X, Hyper=0x%X",
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this,
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GetModifierMask(CAPS_LOCK), GetModifierMask(NUM_LOCK),
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GetModifierMask(SCROLL_LOCK), GetModifierMask(LEVEL3),
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GetModifierMask(LEVEL5),
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GetModifierMask(SHIFT), GetModifierMask(CTRL),
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GetModifierMask(ALT), GetModifierMask(META),
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GetModifierMask(SUPER), GetModifierMask(HYPER)));
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}
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void
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KeymapWrapper::InitXKBExtension()
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{
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PodZero(&mKeyboardState);
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int xkbMajorVer = XkbMajorVersion;
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int xkbMinorVer = XkbMinorVersion;
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if (!XkbLibraryVersion(&xkbMajorVer, &xkbMinorVer)) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitXKBExtension failed due to failure of "
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"XkbLibraryVersion()", this));
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return;
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}
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Display* display =
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gdk_x11_display_get_xdisplay(gdk_display_get_default());
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// XkbLibraryVersion() set xkbMajorVer and xkbMinorVer to that of the
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// library, which may be newer than what is required of the server in
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// XkbQueryExtension(), so these variables should be reset to
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// XkbMajorVersion and XkbMinorVersion before the XkbQueryExtension call.
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xkbMajorVer = XkbMajorVersion;
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xkbMinorVer = XkbMinorVersion;
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int opcode, baseErrorCode;
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if (!XkbQueryExtension(display, &opcode, &mXKBBaseEventCode, &baseErrorCode,
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&xkbMajorVer, &xkbMinorVer)) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitXKBExtension failed due to failure of "
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"XkbQueryExtension(), display=0x%p", this, display));
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return;
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}
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if (!XkbSelectEventDetails(display, XkbUseCoreKbd, XkbStateNotify,
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XkbModifierStateMask, XkbModifierStateMask)) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitXKBExtension failed due to failure of "
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"XkbSelectEventDetails() for XModifierStateMask, display=0x%p",
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this, display));
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return;
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}
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if (!XkbSelectEventDetails(display, XkbUseCoreKbd, XkbControlsNotify,
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XkbPerKeyRepeatMask, XkbPerKeyRepeatMask)) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitXKBExtension failed due to failure of "
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"XkbSelectEventDetails() for XkbControlsNotify, display=0x%p",
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this, display));
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return;
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}
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if (!XGetKeyboardControl(display, &mKeyboardState)) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitXKBExtension failed due to failure of "
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"XGetKeyboardControl(), display=0x%p",
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this, display));
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return;
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}
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitXKBExtension, Succeeded", this));
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}
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void
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KeymapWrapper::InitBySystemSettingsX11()
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{
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitBySystemSettingsX11, mGdkKeymap=%p",
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this, mGdkKeymap));
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Display* display =
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gdk_x11_display_get_xdisplay(gdk_display_get_default());
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int min_keycode = 0;
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int max_keycode = 0;
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XDisplayKeycodes(display, &min_keycode, &max_keycode);
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int keysyms_per_keycode = 0;
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KeySym* xkeymap = XGetKeyboardMapping(display, min_keycode,
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max_keycode - min_keycode + 1,
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&keysyms_per_keycode);
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if (!xkeymap) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitBySystemSettings, "
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"Failed due to null xkeymap", this));
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return;
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}
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XModifierKeymap* xmodmap = XGetModifierMapping(display);
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if (!xmodmap) {
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitBySystemSettings, "
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"Failed due to null xmodmap", this));
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XFree(xkeymap);
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return;
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}
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitBySystemSettings, min_keycode=%d, "
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"max_keycode=%d, keysyms_per_keycode=%d, max_keypermod=%d",
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this, min_keycode, max_keycode, keysyms_per_keycode,
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xmodmap->max_keypermod));
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// The modifiermap member of the XModifierKeymap structure contains 8 sets
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// of max_keypermod KeyCodes, one for each modifier in the order Shift,
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// Lock, Control, Mod1, Mod2, Mod3, Mod4, and Mod5.
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// Only nonzero KeyCodes have meaning in each set, and zero KeyCodes are
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// ignored.
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// Note that two or more modifiers may use one modifier flag. E.g.,
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// on Ubuntu 10.10, Alt and Meta share the Mod1 in default settings.
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// And also Super and Hyper share the Mod4. In such cases, we need to
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// decide which modifier flag means one of DOM modifiers.
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// mod[0] is Modifier introduced by Mod1.
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Modifier mod[5];
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int32_t foundLevel[5];
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for (uint32_t i = 0; i < ArrayLength(mod); i++) {
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mod[i] = NOT_MODIFIER;
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foundLevel[i] = INT32_MAX;
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}
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const uint32_t map_size = 8 * xmodmap->max_keypermod;
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for (uint32_t i = 0; i < map_size; i++) {
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KeyCode keycode = xmodmap->modifiermap[i];
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitBySystemSettings, "
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" i=%d, keycode=0x%08X",
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this, i, keycode));
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if (!keycode || keycode < min_keycode || keycode > max_keycode) {
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continue;
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}
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ModifierKey* modifierKey = GetModifierKey(keycode);
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if (!modifierKey) {
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modifierKey = mModifierKeys.AppendElement(ModifierKey(keycode));
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}
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const KeySym* syms =
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xkeymap + (keycode - min_keycode) * keysyms_per_keycode;
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const uint32_t bit = i / xmodmap->max_keypermod;
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modifierKey->mMask |= 1 << bit;
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// We need to know the meaning of Mod1, Mod2, Mod3, Mod4 and Mod5.
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// Let's skip if current map is for others.
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if (bit < 3) {
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continue;
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}
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const int32_t modIndex = bit - 3;
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for (int32_t j = 0; j < keysyms_per_keycode; j++) {
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Modifier modifier = GetModifierForGDKKeyval(syms[j]);
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MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
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("%p InitBySystemSettings, "
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" Mod%d, j=%d, syms[j]=%s(0x%lX), modifier=%s",
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this, modIndex + 1, j, gdk_keyval_name(syms[j]), syms[j],
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GetModifierName(modifier)));
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switch (modifier) {
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case NOT_MODIFIER:
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// Don't overwrite the stored information with
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// NOT_MODIFIER.
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break;
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case CAPS_LOCK:
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case SHIFT:
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case CTRL:
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// Ignore the modifiers defined in GDK spec. They shouldn't
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// be mapped to Mod1-5 because they must not work on native
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// GTK applications.
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break;
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default:
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// If new modifier is found in higher level than stored
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// value, we don't need to overwrite it.
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if (j > foundLevel[modIndex]) {
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break;
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}
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// If new modifier is more important than stored value,
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// we should overwrite it with new modifier.
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if (j == foundLevel[modIndex]) {
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mod[modIndex] = std::min(modifier, mod[modIndex]);
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break;
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}
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foundLevel[modIndex] = j;
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mod[modIndex] = modifier;
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break;
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}
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}
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}
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for (uint32_t i = 0; i < COUNT_OF_MODIFIER_INDEX; i++) {
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Modifier modifier;
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switch (i) {
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case INDEX_NUM_LOCK:
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modifier = NUM_LOCK;
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break;
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case INDEX_SCROLL_LOCK:
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modifier = SCROLL_LOCK;
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break;
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case INDEX_ALT:
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modifier = ALT;
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break;
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case INDEX_META:
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modifier = META;
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break;
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case INDEX_SUPER:
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modifier = SUPER;
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break;
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case INDEX_HYPER:
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modifier = HYPER;
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break;
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case INDEX_LEVEL3:
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modifier = LEVEL3;
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break;
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case INDEX_LEVEL5:
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modifier = LEVEL5;
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break;
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default:
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MOZ_CRASH("All indexes must be handled here");
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}
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for (uint32_t j = 0; j < ArrayLength(mod); j++) {
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if (modifier == mod[j]) {
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mModifierMasks[i] |= 1 << (j + 3);
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}
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}
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}
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XFreeModifiermap(xmodmap);
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XFree(xkeymap);
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}
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#ifdef MOZ_WAYLAND
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void
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KeymapWrapper::SetModifierMask(xkb_keymap *aKeymap, ModifierIndex aModifierIndex,
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const char* aModifierName)
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{
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static auto sXkbKeymapModGetIndex =
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(xkb_mod_index_t (*)(struct xkb_keymap *, const char *))
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dlsym(RTLD_DEFAULT, "xkb_keymap_mod_get_index");
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xkb_mod_index_t index = sXkbKeymapModGetIndex(aKeymap, aModifierName);
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if (index != XKB_MOD_INVALID) {
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mModifierMasks[aModifierIndex] = (1 << index);
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}
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}
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void
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KeymapWrapper::SetModifierMasks(xkb_keymap *aKeymap)
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{
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KeymapWrapper* keymapWrapper = GetInstance();
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// This mapping is derived from get_xkb_modifiers() at gdkkeys-wayland.c
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keymapWrapper->SetModifierMask(aKeymap, INDEX_NUM_LOCK, XKB_MOD_NAME_NUM);
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keymapWrapper->SetModifierMask(aKeymap, INDEX_ALT, XKB_MOD_NAME_ALT);
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keymapWrapper->SetModifierMask(aKeymap, INDEX_META, "Meta");
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keymapWrapper->SetModifierMask(aKeymap, INDEX_SUPER, "Super");
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keymapWrapper->SetModifierMask(aKeymap, INDEX_HYPER, "Hyper");
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keymapWrapper->SetModifierMask(aKeymap, INDEX_SCROLL_LOCK, "ScrollLock");
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keymapWrapper->SetModifierMask(aKeymap, INDEX_LEVEL3, "Level3");
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keymapWrapper->SetModifierMask(aKeymap, INDEX_LEVEL5, "Level5");
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|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p KeymapWrapper::SetModifierMasks, CapsLock=0x%X, NumLock=0x%X, "
|
|
"ScrollLock=0x%X, Level3=0x%X, Level5=0x%X, "
|
|
"Shift=0x%X, Ctrl=0x%X, Alt=0x%X, Meta=0x%X, Super=0x%X, Hyper=0x%X",
|
|
keymapWrapper,
|
|
keymapWrapper->GetModifierMask(CAPS_LOCK),
|
|
keymapWrapper->GetModifierMask(NUM_LOCK),
|
|
keymapWrapper->GetModifierMask(SCROLL_LOCK),
|
|
keymapWrapper->GetModifierMask(LEVEL3),
|
|
keymapWrapper->GetModifierMask(LEVEL5),
|
|
keymapWrapper->GetModifierMask(SHIFT),
|
|
keymapWrapper->GetModifierMask(CTRL),
|
|
keymapWrapper->GetModifierMask(ALT),
|
|
keymapWrapper->GetModifierMask(META),
|
|
keymapWrapper->GetModifierMask(SUPER),
|
|
keymapWrapper->GetModifierMask(HYPER)));
|
|
}
|
|
|
|
/* This keymap routine is derived from weston-2.0.0/clients/simple-im.c
|
|
*/
|
|
static void
|
|
keyboard_handle_keymap(void *data, struct wl_keyboard *wl_keyboard,
|
|
uint32_t format, int fd, uint32_t size)
|
|
{
|
|
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
|
|
close(fd);
|
|
return;
|
|
}
|
|
|
|
char *mapString = (char *)mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
|
|
if (mapString == MAP_FAILED) {
|
|
close(fd);
|
|
return;
|
|
}
|
|
|
|
static auto sXkbContextNew =
|
|
(struct xkb_context *(*)(enum xkb_context_flags))
|
|
dlsym(RTLD_DEFAULT, "xkb_context_new");
|
|
static auto sXkbKeymapNewFromString =
|
|
(struct xkb_keymap *(*)(struct xkb_context *, const char *,
|
|
enum xkb_keymap_format, enum xkb_keymap_compile_flags))
|
|
dlsym(RTLD_DEFAULT, "xkb_keymap_new_from_string");
|
|
|
|
struct xkb_context *xkb_context = sXkbContextNew(XKB_CONTEXT_NO_FLAGS);
|
|
struct xkb_keymap *keymap =
|
|
sXkbKeymapNewFromString(xkb_context, mapString,
|
|
XKB_KEYMAP_FORMAT_TEXT_V1,
|
|
XKB_KEYMAP_COMPILE_NO_FLAGS);
|
|
|
|
munmap(mapString, size);
|
|
close(fd);
|
|
|
|
if (!keymap) {
|
|
NS_WARNING("keyboard_handle_keymap(): Failed to compile keymap!\n");
|
|
return;
|
|
}
|
|
|
|
KeymapWrapper::SetModifierMasks(keymap);
|
|
|
|
static auto sXkbKeymapUnRef =
|
|
(void(*)(struct xkb_keymap *))
|
|
dlsym(RTLD_DEFAULT, "xkb_keymap_unref");
|
|
sXkbKeymapUnRef(keymap);
|
|
|
|
static auto sXkbContextUnref =
|
|
(void(*)(struct xkb_context *))
|
|
dlsym(RTLD_DEFAULT, "xkb_context_unref");
|
|
sXkbContextUnref(xkb_context);
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, struct wl_surface *surface,
|
|
struct wl_array *keys)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, struct wl_surface *surface)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_key(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, uint32_t time, uint32_t key,
|
|
uint32_t state)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, uint32_t mods_depressed,
|
|
uint32_t mods_latched, uint32_t mods_locked,
|
|
uint32_t group)
|
|
{
|
|
}
|
|
|
|
static const struct wl_keyboard_listener keyboard_listener = {
|
|
keyboard_handle_keymap,
|
|
keyboard_handle_enter,
|
|
keyboard_handle_leave,
|
|
keyboard_handle_key,
|
|
keyboard_handle_modifiers,
|
|
};
|
|
|
|
void
|
|
KeymapWrapper::InitBySystemSettingsWayland()
|
|
{
|
|
GdkDeviceManager* manager =
|
|
gdk_display_get_device_manager(gdk_display_get_default());
|
|
GList* devices =
|
|
gdk_device_manager_list_devices(manager, GDK_DEVICE_TYPE_MASTER);
|
|
GdkDevice* device = nullptr;
|
|
|
|
GList* list = devices;
|
|
while (devices) {
|
|
device = static_cast<GdkDevice*>(devices->data);
|
|
if (gdk_device_get_source(device) == GDK_SOURCE_KEYBOARD) {
|
|
break;
|
|
}
|
|
devices = devices->next;
|
|
}
|
|
|
|
if (list) {
|
|
g_list_free(list);
|
|
}
|
|
|
|
if (device) {
|
|
// Present in Gtk+ 3.10
|
|
static auto sGdkWaylandDeviceGetWlKeyboard =
|
|
(struct wl_keyboard * (*)(GdkDevice *device))
|
|
dlsym(RTLD_DEFAULT, "gdk_wayland_device_get_wl_keyboard");
|
|
|
|
wl_keyboard_add_listener(sGdkWaylandDeviceGetWlKeyboard(device),
|
|
&keyboard_listener, nullptr);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
KeymapWrapper::~KeymapWrapper()
|
|
{
|
|
gdk_window_remove_filter(nullptr, FilterEvents, this);
|
|
g_signal_handlers_disconnect_by_func(mGdkKeymap,
|
|
FuncToGpointer(OnKeysChanged), this);
|
|
g_signal_handlers_disconnect_by_func(mGdkKeymap,
|
|
FuncToGpointer(OnDirectionChanged), this);
|
|
g_object_unref(mGdkKeymap);
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p Destructor", this));
|
|
}
|
|
|
|
/* static */ GdkFilterReturn
|
|
KeymapWrapper::FilterEvents(GdkXEvent* aXEvent,
|
|
GdkEvent* aGdkEvent,
|
|
gpointer aData)
|
|
{
|
|
XEvent* xEvent = static_cast<XEvent*>(aXEvent);
|
|
switch (xEvent->type) {
|
|
case KeyPress: {
|
|
// If the key doesn't support auto repeat, ignore the event because
|
|
// even if such key (e.g., Shift) is pressed during auto repeat of
|
|
// anoter key, it doesn't stop the auto repeat.
|
|
KeymapWrapper* self = static_cast<KeymapWrapper*>(aData);
|
|
if (!self->IsAutoRepeatableKey(xEvent->xkey.keycode)) {
|
|
break;
|
|
}
|
|
if (sRepeatState == NOT_PRESSED) {
|
|
sRepeatState = FIRST_PRESS;
|
|
} else if (sLastRepeatableHardwareKeyCode == xEvent->xkey.keycode) {
|
|
sRepeatState = REPEATING;
|
|
} else {
|
|
// If a different key is pressed while another key is pressed,
|
|
// auto repeat system repeats only the last pressed key.
|
|
// So, setting new keycode and setting repeat state as first key
|
|
// press should work fine.
|
|
sRepeatState = FIRST_PRESS;
|
|
}
|
|
sLastRepeatableHardwareKeyCode = xEvent->xkey.keycode;
|
|
break;
|
|
}
|
|
case KeyRelease: {
|
|
if (sLastRepeatableHardwareKeyCode != xEvent->xkey.keycode) {
|
|
// This case means the key release event is caused by
|
|
// a non-repeatable key such as Shift or a repeatable key that
|
|
// was pressed before sLastRepeatableHardwareKeyCode was
|
|
// pressed.
|
|
break;
|
|
}
|
|
sRepeatState = NOT_PRESSED;
|
|
break;
|
|
}
|
|
case FocusOut: {
|
|
// At moving focus, we should reset keyboard repeat state.
|
|
// Strictly, this causes incorrect behavior. However, this
|
|
// correctness must be enough for web applications.
|
|
sRepeatState = NOT_PRESSED;
|
|
break;
|
|
}
|
|
default: {
|
|
KeymapWrapper* self = static_cast<KeymapWrapper*>(aData);
|
|
if (xEvent->type != self->mXKBBaseEventCode) {
|
|
break;
|
|
}
|
|
XkbEvent* xkbEvent = (XkbEvent*)xEvent;
|
|
if (xkbEvent->any.xkb_type != XkbControlsNotify ||
|
|
!(xkbEvent->ctrls.changed_ctrls & XkbPerKeyRepeatMask)) {
|
|
break;
|
|
}
|
|
if (!XGetKeyboardControl(xkbEvent->any.display,
|
|
&self->mKeyboardState)) {
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p FilterEvents failed due to failure "
|
|
"of XGetKeyboardControl(), display=0x%p",
|
|
self, xkbEvent->any.display));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return GDK_FILTER_CONTINUE;
|
|
}
|
|
|
|
static void
|
|
ResetBidiKeyboard()
|
|
{
|
|
// Reset the bidi keyboard settings for the new GdkKeymap
|
|
nsCOMPtr<nsIBidiKeyboard> bidiKeyboard = nsContentUtils::GetBidiKeyboard();
|
|
if (bidiKeyboard) {
|
|
bidiKeyboard->Reset();
|
|
}
|
|
WidgetUtils::SendBidiKeyboardInfoToContent();
|
|
}
|
|
|
|
/* static */ void
|
|
KeymapWrapper::OnKeysChanged(GdkKeymap *aGdkKeymap,
|
|
KeymapWrapper* aKeymapWrapper)
|
|
{
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("OnKeysChanged, aGdkKeymap=%p, aKeymapWrapper=%p",
|
|
aGdkKeymap, aKeymapWrapper));
|
|
|
|
MOZ_ASSERT(sInstance == aKeymapWrapper,
|
|
"This instance must be the singleton instance");
|
|
|
|
// We cannot reintialize here becasue we don't have GdkWindow which is using
|
|
// the GdkKeymap. We'll reinitialize it when next GetInstance() is called.
|
|
sInstance->mInitialized = false;
|
|
ResetBidiKeyboard();
|
|
}
|
|
|
|
// static
|
|
void
|
|
KeymapWrapper::OnDirectionChanged(GdkKeymap *aGdkKeymap,
|
|
KeymapWrapper* aKeymapWrapper)
|
|
{
|
|
// XXX
|
|
// A lot of diretion-changed signal might be fired on switching bidi
|
|
// keyboard when using both ibus (with arabic layout) and fcitx (with IME).
|
|
// See https://github.com/fcitx/fcitx/issues/257
|
|
//
|
|
// Also, when using ibus, switching to IM might not cause this signal.
|
|
// See https://github.com/ibus/ibus/issues/1848
|
|
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("OnDirectionChanged, aGdkKeymap=%p, aKeymapWrapper=%p",
|
|
aGdkKeymap, aKeymapWrapper));
|
|
|
|
ResetBidiKeyboard();
|
|
}
|
|
|
|
/* static */ guint
|
|
KeymapWrapper::GetCurrentModifierState()
|
|
{
|
|
GdkModifierType modifiers;
|
|
gdk_display_get_pointer(gdk_display_get_default(),
|
|
nullptr, nullptr, nullptr, &modifiers);
|
|
return static_cast<guint>(modifiers);
|
|
}
|
|
|
|
/* static */ bool
|
|
KeymapWrapper::AreModifiersCurrentlyActive(Modifiers aModifiers)
|
|
{
|
|
guint modifierState = GetCurrentModifierState();
|
|
return AreModifiersActive(aModifiers, modifierState);
|
|
}
|
|
|
|
/* static */ bool
|
|
KeymapWrapper::AreModifiersActive(Modifiers aModifiers,
|
|
guint aModifierState)
|
|
{
|
|
NS_ENSURE_TRUE(aModifiers, false);
|
|
|
|
KeymapWrapper* keymapWrapper = GetInstance();
|
|
for (uint32_t i = 0; i < sizeof(Modifier) * 8 && aModifiers; i++) {
|
|
Modifier modifier = static_cast<Modifier>(1 << i);
|
|
if (!(aModifiers & modifier)) {
|
|
continue;
|
|
}
|
|
if (!(aModifierState & keymapWrapper->GetModifierMask(modifier))) {
|
|
return false;
|
|
}
|
|
aModifiers &= ~modifier;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/* static */ uint32_t
|
|
KeymapWrapper::ComputeCurrentKeyModifiers()
|
|
{
|
|
return ComputeKeyModifiers(GetCurrentModifierState());
|
|
}
|
|
|
|
/* static */ uint32_t
|
|
KeymapWrapper::ComputeKeyModifiers(guint aModifierState)
|
|
{
|
|
KeymapWrapper* keymapWrapper = GetInstance();
|
|
|
|
uint32_t keyModifiers = 0;
|
|
// DOM Meta key should be TRUE only on Mac. We need to discuss this
|
|
// issue later.
|
|
if (keymapWrapper->AreModifiersActive(SHIFT, aModifierState)) {
|
|
keyModifiers |= MODIFIER_SHIFT;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(CTRL, aModifierState)) {
|
|
keyModifiers |= MODIFIER_CONTROL;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(ALT, aModifierState)) {
|
|
keyModifiers |= MODIFIER_ALT;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(META, aModifierState)) {
|
|
keyModifiers |= MODIFIER_META;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(SUPER, aModifierState) ||
|
|
keymapWrapper->AreModifiersActive(HYPER, aModifierState)) {
|
|
keyModifiers |= MODIFIER_OS;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(LEVEL3, aModifierState) ||
|
|
keymapWrapper->AreModifiersActive(LEVEL5, aModifierState)) {
|
|
keyModifiers |= MODIFIER_ALTGRAPH;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(CAPS_LOCK, aModifierState)) {
|
|
keyModifiers |= MODIFIER_CAPSLOCK;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(NUM_LOCK, aModifierState)) {
|
|
keyModifiers |= MODIFIER_NUMLOCK;
|
|
}
|
|
if (keymapWrapper->AreModifiersActive(SCROLL_LOCK, aModifierState)) {
|
|
keyModifiers |= MODIFIER_SCROLLLOCK;
|
|
}
|
|
return keyModifiers;
|
|
}
|
|
|
|
/* static */ void
|
|
KeymapWrapper::InitInputEvent(WidgetInputEvent& aInputEvent,
|
|
guint aModifierState)
|
|
{
|
|
KeymapWrapper* keymapWrapper = GetInstance();
|
|
|
|
aInputEvent.mModifiers = ComputeKeyModifiers(aModifierState);
|
|
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Debug,
|
|
("%p InitInputEvent, aModifierState=0x%08X, "
|
|
"aInputEvent.mModifiers=0x%04X (Shift: %s, Control: %s, Alt: %s, "
|
|
"Meta: %s, OS: %s, AltGr: %s, "
|
|
"CapsLock: %s, NumLock: %s, ScrollLock: %s)",
|
|
keymapWrapper, aModifierState, aInputEvent.mModifiers,
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_SHIFT),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_CONTROL),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_ALT),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_META),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_OS),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_ALTGRAPH),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_CAPSLOCK),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_NUMLOCK),
|
|
GetBoolName(aInputEvent.mModifiers & MODIFIER_SCROLLLOCK)));
|
|
|
|
switch(aInputEvent.mClass) {
|
|
case eMouseEventClass:
|
|
case eMouseScrollEventClass:
|
|
case eWheelEventClass:
|
|
case eDragEventClass:
|
|
case eSimpleGestureEventClass:
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
WidgetMouseEventBase& mouseEvent = *aInputEvent.AsMouseEventBase();
|
|
mouseEvent.buttons = 0;
|
|
if (aModifierState & GDK_BUTTON1_MASK) {
|
|
mouseEvent.buttons |= WidgetMouseEvent::eLeftButtonFlag;
|
|
}
|
|
if (aModifierState & GDK_BUTTON3_MASK) {
|
|
mouseEvent.buttons |= WidgetMouseEvent::eRightButtonFlag;
|
|
}
|
|
if (aModifierState & GDK_BUTTON2_MASK) {
|
|
mouseEvent.buttons |= WidgetMouseEvent::eMiddleButtonFlag;
|
|
}
|
|
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Debug,
|
|
("%p InitInputEvent, aInputEvent has buttons, "
|
|
"aInputEvent.buttons=0x%04X (Left: %s, Right: %s, Middle: %s, "
|
|
"4th (BACK): %s, 5th (FORWARD): %s)",
|
|
keymapWrapper, mouseEvent.buttons,
|
|
GetBoolName(mouseEvent.buttons & WidgetMouseEvent::eLeftButtonFlag),
|
|
GetBoolName(mouseEvent.buttons & WidgetMouseEvent::eRightButtonFlag),
|
|
GetBoolName(mouseEvent.buttons & WidgetMouseEvent::eMiddleButtonFlag),
|
|
GetBoolName(mouseEvent.buttons & WidgetMouseEvent::e4thButtonFlag),
|
|
GetBoolName(mouseEvent.buttons & WidgetMouseEvent::e5thButtonFlag)));
|
|
}
|
|
|
|
/* static */ uint32_t
|
|
KeymapWrapper::ComputeDOMKeyCode(const GdkEventKey* aGdkKeyEvent)
|
|
{
|
|
// If the keyval indicates it's a modifier key, we should use unshifted
|
|
// key's modifier keyval.
|
|
guint keyval = aGdkKeyEvent->keyval;
|
|
if (GetModifierForGDKKeyval(keyval)) {
|
|
// But if the keyval without modifiers isn't a modifier key, we
|
|
// shouldn't use it. E.g., Japanese keyboard layout's
|
|
// Shift + Eisu-Toggle key is CapsLock. This is an actual rare case,
|
|
// Windows uses different keycode for a physical key for different
|
|
// shift key state.
|
|
guint keyvalWithoutModifier = GetGDKKeyvalWithoutModifier(aGdkKeyEvent);
|
|
if (GetModifierForGDKKeyval(keyvalWithoutModifier)) {
|
|
keyval = keyvalWithoutModifier;
|
|
}
|
|
// Note that the modifier keycode and activating or deactivating
|
|
// modifier flag may be mismatched, but it's okay. If a DOM key
|
|
// event handler is testing a keydown event, it's more likely being
|
|
// used to test which key is being pressed than to test which
|
|
// modifier will become active. So, if we computed DOM keycode
|
|
// from modifier flag which were changing by the physical key, then
|
|
// there would be no other way for the user to generate the original
|
|
// keycode.
|
|
uint32_t DOMKeyCode = GetDOMKeyCodeFromKeyPairs(keyval);
|
|
NS_ASSERTION(DOMKeyCode, "All modifier keys must have a DOM keycode");
|
|
return DOMKeyCode;
|
|
}
|
|
|
|
// If the key isn't printable, let's look at the key pairs.
|
|
uint32_t charCode = GetCharCodeFor(aGdkKeyEvent);
|
|
if (!charCode) {
|
|
// Always use unshifted keycode for the non-printable key.
|
|
// XXX It might be better to decide DOM keycode from all keyvals of
|
|
// the hardware keycode. However, I think that it's too excessive.
|
|
guint keyvalWithoutModifier = GetGDKKeyvalWithoutModifier(aGdkKeyEvent);
|
|
uint32_t DOMKeyCode = GetDOMKeyCodeFromKeyPairs(keyvalWithoutModifier);
|
|
if (!DOMKeyCode) {
|
|
// If the unshifted keyval couldn't be mapped to a DOM keycode,
|
|
// we should fallback to legacy logic, so, we should recompute with
|
|
// the keyval with aGdkKeyEvent.
|
|
DOMKeyCode = GetDOMKeyCodeFromKeyPairs(keyval);
|
|
}
|
|
return DOMKeyCode;
|
|
}
|
|
|
|
// printable numpad keys should be resolved here.
|
|
switch (keyval) {
|
|
case GDK_KP_Multiply: return NS_VK_MULTIPLY;
|
|
case GDK_KP_Add: return NS_VK_ADD;
|
|
case GDK_KP_Separator: return NS_VK_SEPARATOR;
|
|
case GDK_KP_Subtract: return NS_VK_SUBTRACT;
|
|
case GDK_KP_Decimal: return NS_VK_DECIMAL;
|
|
case GDK_KP_Divide: return NS_VK_DIVIDE;
|
|
case GDK_KP_0: return NS_VK_NUMPAD0;
|
|
case GDK_KP_1: return NS_VK_NUMPAD1;
|
|
case GDK_KP_2: return NS_VK_NUMPAD2;
|
|
case GDK_KP_3: return NS_VK_NUMPAD3;
|
|
case GDK_KP_4: return NS_VK_NUMPAD4;
|
|
case GDK_KP_5: return NS_VK_NUMPAD5;
|
|
case GDK_KP_6: return NS_VK_NUMPAD6;
|
|
case GDK_KP_7: return NS_VK_NUMPAD7;
|
|
case GDK_KP_8: return NS_VK_NUMPAD8;
|
|
case GDK_KP_9: return NS_VK_NUMPAD9;
|
|
}
|
|
|
|
KeymapWrapper* keymapWrapper = GetInstance();
|
|
|
|
// Ignore all modifier state except NumLock.
|
|
guint baseState =
|
|
(aGdkKeyEvent->state & keymapWrapper->GetModifierMask(NUM_LOCK));
|
|
|
|
// Basically, we should use unmodified character for deciding our keyCode.
|
|
uint32_t unmodifiedChar =
|
|
keymapWrapper->GetCharCodeFor(aGdkKeyEvent, baseState,
|
|
aGdkKeyEvent->group);
|
|
if (IsBasicLatinLetterOrNumeral(unmodifiedChar)) {
|
|
// If the unmodified character is an ASCII alphabet or an ASCII
|
|
// numeric, it's the best hint for deciding our keyCode.
|
|
return WidgetUtils::ComputeKeyCodeFromChar(unmodifiedChar);
|
|
}
|
|
|
|
// If the unmodified character is not an ASCII character, that means we
|
|
// couldn't find the hint. We should reset it.
|
|
if (!IsPrintableASCIICharacter(unmodifiedChar)) {
|
|
unmodifiedChar = 0;
|
|
}
|
|
|
|
// Retry with shifted keycode.
|
|
guint shiftState = (baseState | keymapWrapper->GetModifierMask(SHIFT));
|
|
uint32_t shiftedChar =
|
|
keymapWrapper->GetCharCodeFor(aGdkKeyEvent, shiftState,
|
|
aGdkKeyEvent->group);
|
|
if (IsBasicLatinLetterOrNumeral(shiftedChar)) {
|
|
// A shifted character can be an ASCII alphabet on Hebrew keyboard
|
|
// layout. And also shifted character can be an ASCII numeric on
|
|
// AZERTY keyboad layout. Then, it's a good hint for deciding our
|
|
// keyCode.
|
|
return WidgetUtils::ComputeKeyCodeFromChar(shiftedChar);
|
|
}
|
|
|
|
// If the shifted unmodified character isn't an ASCII character, we should
|
|
// discard it too.
|
|
if (!IsPrintableASCIICharacter(shiftedChar)) {
|
|
shiftedChar = 0;
|
|
}
|
|
|
|
// If current keyboard layout isn't ASCII alphabet inputtable layout,
|
|
// look for ASCII alphabet inputtable keyboard layout. If the key
|
|
// inputs an ASCII alphabet or an ASCII numeric, we should use it
|
|
// for deciding our keyCode.
|
|
uint32_t unmodCharLatin = 0;
|
|
uint32_t shiftedCharLatin = 0;
|
|
if (!keymapWrapper->IsLatinGroup(aGdkKeyEvent->group)) {
|
|
gint minGroup = keymapWrapper->GetFirstLatinGroup();
|
|
if (minGroup >= 0) {
|
|
unmodCharLatin =
|
|
keymapWrapper->GetCharCodeFor(aGdkKeyEvent, baseState,
|
|
minGroup);
|
|
if (IsBasicLatinLetterOrNumeral(unmodCharLatin)) {
|
|
// If the unmodified character is an ASCII alphabet or
|
|
// an ASCII numeric, we should use it for the keyCode.
|
|
return WidgetUtils::ComputeKeyCodeFromChar(unmodCharLatin);
|
|
}
|
|
// If the unmodified character in the alternative ASCII capable
|
|
// keyboard layout isn't an ASCII character, that means we couldn't
|
|
// find the hint. We should reset it.
|
|
if (!IsPrintableASCIICharacter(unmodCharLatin)) {
|
|
unmodCharLatin = 0;
|
|
}
|
|
shiftedCharLatin =
|
|
keymapWrapper->GetCharCodeFor(aGdkKeyEvent, shiftState,
|
|
minGroup);
|
|
if (IsBasicLatinLetterOrNumeral(shiftedCharLatin)) {
|
|
// If the shifted character is an ASCII alphabet or an ASCII
|
|
// numeric, we should use it for the keyCode.
|
|
return WidgetUtils::ComputeKeyCodeFromChar(shiftedCharLatin);
|
|
}
|
|
// If the shifted unmodified character in the alternative ASCII
|
|
// capable keyboard layout isn't an ASCII character, we should
|
|
// discard it too.
|
|
if (!IsPrintableASCIICharacter(shiftedCharLatin)) {
|
|
shiftedCharLatin = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If the key itself or with Shift state on active keyboard layout produces
|
|
// an ASCII punctuation character, we should decide keyCode value with it.
|
|
if (unmodifiedChar || shiftedChar) {
|
|
return WidgetUtils::ComputeKeyCodeFromChar(
|
|
unmodifiedChar ? unmodifiedChar : shiftedChar);
|
|
}
|
|
|
|
// If the key itself or with Shift state on alternative ASCII capable
|
|
// keyboard layout produces an ASCII punctuation character, we should
|
|
// decide keyCode value with it. Note that We've returned 0 for long
|
|
// time if keyCode isn't for an alphabet keys or a numeric key even in
|
|
// alternative ASCII capable keyboard layout because we decided that we
|
|
// should avoid setting same keyCode value to 2 or more keys since active
|
|
// keyboard layout may have a key to input the punctuation with different
|
|
// key. However, setting keyCode to 0 makes some web applications which
|
|
// are aware of neither KeyboardEvent.key nor KeyboardEvent.code not work
|
|
// with Firefox when user selects non-ASCII capable keyboard layout such
|
|
// as Russian and Thai. So, if alternative ASCII capable keyboard layout
|
|
// has keyCode value for the key, we should use it. In other words, this
|
|
// behavior means that non-ASCII capable keyboard layout overrides some
|
|
// keys' keyCode value only if the key produces ASCII character by itself
|
|
// or with Shift key.
|
|
if (unmodCharLatin || shiftedCharLatin) {
|
|
return WidgetUtils::ComputeKeyCodeFromChar(
|
|
unmodCharLatin ? unmodCharLatin : shiftedCharLatin);
|
|
}
|
|
|
|
// Otherwise, let's decide keyCode value from the hardware_keycode
|
|
// value on major keyboard layout.
|
|
CodeNameIndex code = ComputeDOMCodeNameIndex(aGdkKeyEvent);
|
|
return WidgetKeyboardEvent::GetFallbackKeyCodeOfPunctuationKey(code);
|
|
}
|
|
|
|
KeyNameIndex
|
|
KeymapWrapper::ComputeDOMKeyNameIndex(const GdkEventKey* aGdkKeyEvent)
|
|
{
|
|
switch (aGdkKeyEvent->keyval) {
|
|
|
|
#define NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX(aNativeKey, aKeyNameIndex) \
|
|
case aNativeKey: return aKeyNameIndex;
|
|
|
|
#include "NativeKeyToDOMKeyName.h"
|
|
|
|
#undef NS_NATIVE_KEY_TO_DOM_KEY_NAME_INDEX
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return KEY_NAME_INDEX_Unidentified;
|
|
}
|
|
|
|
/* static */ CodeNameIndex
|
|
KeymapWrapper::ComputeDOMCodeNameIndex(const GdkEventKey* aGdkKeyEvent)
|
|
{
|
|
switch (aGdkKeyEvent->hardware_keycode) {
|
|
|
|
#define NS_NATIVE_KEY_TO_DOM_CODE_NAME_INDEX(aNativeKey, aCodeNameIndex) \
|
|
case aNativeKey: return aCodeNameIndex;
|
|
|
|
#include "NativeKeyToDOMCodeName.h"
|
|
|
|
#undef NS_NATIVE_KEY_TO_DOM_CODE_NAME_INDEX
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return CODE_NAME_INDEX_UNKNOWN;
|
|
}
|
|
|
|
/* static */ void
|
|
KeymapWrapper::InitKeyEvent(WidgetKeyboardEvent& aKeyEvent,
|
|
GdkEventKey* aGdkKeyEvent,
|
|
bool aIsProcessedByIME)
|
|
{
|
|
MOZ_ASSERT(!aIsProcessedByIME || aKeyEvent.mMessage != eKeyPress,
|
|
"If the key event is handled by IME, keypress event shouldn't be fired");
|
|
|
|
KeymapWrapper* keymapWrapper = GetInstance();
|
|
|
|
aKeyEvent.mCodeNameIndex = ComputeDOMCodeNameIndex(aGdkKeyEvent);
|
|
MOZ_ASSERT(aKeyEvent.mCodeNameIndex != CODE_NAME_INDEX_USE_STRING);
|
|
aKeyEvent.mKeyNameIndex =
|
|
aIsProcessedByIME ? KEY_NAME_INDEX_Process :
|
|
keymapWrapper->ComputeDOMKeyNameIndex(aGdkKeyEvent);
|
|
if (aKeyEvent.mKeyNameIndex == KEY_NAME_INDEX_Unidentified) {
|
|
uint32_t charCode = GetCharCodeFor(aGdkKeyEvent);
|
|
if (!charCode) {
|
|
charCode = keymapWrapper->GetUnmodifiedCharCodeFor(aGdkKeyEvent);
|
|
}
|
|
if (charCode) {
|
|
aKeyEvent.mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
|
|
MOZ_ASSERT(aKeyEvent.mKeyValue.IsEmpty(),
|
|
"Uninitialized mKeyValue must be empty");
|
|
AppendUCS4ToUTF16(charCode, aKeyEvent.mKeyValue);
|
|
}
|
|
}
|
|
|
|
if (aIsProcessedByIME) {
|
|
aKeyEvent.mKeyCode = NS_VK_PROCESSKEY;
|
|
} else if (aKeyEvent.mKeyNameIndex != KEY_NAME_INDEX_USE_STRING ||
|
|
aKeyEvent.mMessage != eKeyPress) {
|
|
aKeyEvent.mKeyCode = ComputeDOMKeyCode(aGdkKeyEvent);
|
|
} else {
|
|
aKeyEvent.mKeyCode = 0;
|
|
}
|
|
|
|
// NOTE: The state of given key event indicates adjacent state of
|
|
// modifier keys. E.g., even if the event is Shift key press event,
|
|
// the bit for Shift is still false. By the same token, even if the
|
|
// event is Shift key release event, the bit for Shift is still true.
|
|
// Unfortunately, gdk_keyboard_get_modifiers() returns current modifier
|
|
// state. It means if there're some pending modifier key press or
|
|
// key release events, the result isn't what we want.
|
|
guint modifierState = aGdkKeyEvent->state;
|
|
GdkDisplay* gdkDisplay = gdk_display_get_default();
|
|
if (aGdkKeyEvent->is_modifier && GDK_IS_X11_DISPLAY(gdkDisplay)) {
|
|
Display* display =
|
|
gdk_x11_display_get_xdisplay(gdkDisplay);
|
|
if (XEventsQueued(display, QueuedAfterReading)) {
|
|
XEvent nextEvent;
|
|
XPeekEvent(display, &nextEvent);
|
|
if (nextEvent.type == keymapWrapper->mXKBBaseEventCode) {
|
|
XkbEvent* XKBEvent = (XkbEvent*)&nextEvent;
|
|
if (XKBEvent->any.xkb_type == XkbStateNotify) {
|
|
XkbStateNotifyEvent* stateNotifyEvent =
|
|
(XkbStateNotifyEvent*)XKBEvent;
|
|
modifierState &= ~0xFF;
|
|
modifierState |= stateNotifyEvent->lookup_mods;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
InitInputEvent(aKeyEvent, modifierState);
|
|
|
|
switch (aGdkKeyEvent->keyval) {
|
|
case GDK_Shift_L:
|
|
case GDK_Control_L:
|
|
case GDK_Alt_L:
|
|
case GDK_Super_L:
|
|
case GDK_Hyper_L:
|
|
case GDK_Meta_L:
|
|
aKeyEvent.mLocation = eKeyLocationLeft;
|
|
break;
|
|
|
|
case GDK_Shift_R:
|
|
case GDK_Control_R:
|
|
case GDK_Alt_R:
|
|
case GDK_Super_R:
|
|
case GDK_Hyper_R:
|
|
case GDK_Meta_R:
|
|
aKeyEvent.mLocation = eKeyLocationRight;
|
|
break;
|
|
|
|
case GDK_KP_0:
|
|
case GDK_KP_1:
|
|
case GDK_KP_2:
|
|
case GDK_KP_3:
|
|
case GDK_KP_4:
|
|
case GDK_KP_5:
|
|
case GDK_KP_6:
|
|
case GDK_KP_7:
|
|
case GDK_KP_8:
|
|
case GDK_KP_9:
|
|
case GDK_KP_Space:
|
|
case GDK_KP_Tab:
|
|
case GDK_KP_Enter:
|
|
case GDK_KP_F1:
|
|
case GDK_KP_F2:
|
|
case GDK_KP_F3:
|
|
case GDK_KP_F4:
|
|
case GDK_KP_Home:
|
|
case GDK_KP_Left:
|
|
case GDK_KP_Up:
|
|
case GDK_KP_Right:
|
|
case GDK_KP_Down:
|
|
case GDK_KP_Prior: // same as GDK_KP_Page_Up
|
|
case GDK_KP_Next: // same as GDK_KP_Page_Down
|
|
case GDK_KP_End:
|
|
case GDK_KP_Begin:
|
|
case GDK_KP_Insert:
|
|
case GDK_KP_Delete:
|
|
case GDK_KP_Equal:
|
|
case GDK_KP_Multiply:
|
|
case GDK_KP_Add:
|
|
case GDK_KP_Separator:
|
|
case GDK_KP_Subtract:
|
|
case GDK_KP_Decimal:
|
|
case GDK_KP_Divide:
|
|
aKeyEvent.mLocation = eKeyLocationNumpad;
|
|
break;
|
|
|
|
default:
|
|
aKeyEvent.mLocation = eKeyLocationStandard;
|
|
break;
|
|
}
|
|
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p InitKeyEvent, modifierState=0x%08X "
|
|
"aGdkKeyEvent={ type=%s, keyval=%s(0x%X), state=0x%08X, "
|
|
"hardware_keycode=0x%08X, is_modifier=%s } "
|
|
"aKeyEvent={ message=%s, isShift=%s, isControl=%s, "
|
|
"isAlt=%s, isMeta=%s }",
|
|
keymapWrapper, modifierState,
|
|
((aGdkKeyEvent->type == GDK_KEY_PRESS) ?
|
|
"GDK_KEY_PRESS" : "GDK_KEY_RELEASE"),
|
|
gdk_keyval_name(aGdkKeyEvent->keyval),
|
|
aGdkKeyEvent->keyval, aGdkKeyEvent->state,
|
|
aGdkKeyEvent->hardware_keycode,
|
|
GetBoolName(aGdkKeyEvent->is_modifier),
|
|
((aKeyEvent.mMessage == eKeyDown) ? "eKeyDown" :
|
|
(aKeyEvent.mMessage == eKeyPress) ? "eKeyPress" : "eKeyUp"),
|
|
GetBoolName(aKeyEvent.IsShift()), GetBoolName(aKeyEvent.IsControl()),
|
|
GetBoolName(aKeyEvent.IsAlt()), GetBoolName(aKeyEvent.IsMeta())));
|
|
|
|
// The transformations above and in gdk for the keyval are not invertible
|
|
// so link to the GdkEvent (which will vanish soon after return from the
|
|
// event callback) to give plugins access to hardware_keycode and state.
|
|
// (An XEvent would be nice but the GdkEvent is good enough.)
|
|
aKeyEvent.mPluginEvent.Copy(*aGdkKeyEvent);
|
|
aKeyEvent.mTime = aGdkKeyEvent->time;
|
|
aKeyEvent.mNativeKeyEvent = static_cast<void*>(aGdkKeyEvent);
|
|
aKeyEvent.mIsRepeat = sRepeatState == REPEATING &&
|
|
aGdkKeyEvent->hardware_keycode == sLastRepeatableHardwareKeyCode;
|
|
}
|
|
|
|
/* static */ uint32_t
|
|
KeymapWrapper::GetCharCodeFor(const GdkEventKey *aGdkKeyEvent)
|
|
{
|
|
// Anything above 0xf000 is considered a non-printable
|
|
// Exception: directly encoded UCS characters
|
|
if (aGdkKeyEvent->keyval > 0xf000 &&
|
|
(aGdkKeyEvent->keyval & 0xff000000) != 0x01000000) {
|
|
// Keypad keys are an exception: they return a value different
|
|
// from their non-keypad equivalents, but mozilla doesn't distinguish.
|
|
switch (aGdkKeyEvent->keyval) {
|
|
case GDK_KP_Space: return ' ';
|
|
case GDK_KP_Equal: return '=';
|
|
case GDK_KP_Multiply: return '*';
|
|
case GDK_KP_Add: return '+';
|
|
case GDK_KP_Separator: return ',';
|
|
case GDK_KP_Subtract: return '-';
|
|
case GDK_KP_Decimal: return '.';
|
|
case GDK_KP_Divide: return '/';
|
|
case GDK_KP_0: return '0';
|
|
case GDK_KP_1: return '1';
|
|
case GDK_KP_2: return '2';
|
|
case GDK_KP_3: return '3';
|
|
case GDK_KP_4: return '4';
|
|
case GDK_KP_5: return '5';
|
|
case GDK_KP_6: return '6';
|
|
case GDK_KP_7: return '7';
|
|
case GDK_KP_8: return '8';
|
|
case GDK_KP_9: return '9';
|
|
default: return 0; // non-printables
|
|
}
|
|
}
|
|
|
|
static const long MAX_UNICODE = 0x10FFFF;
|
|
|
|
// we're supposedly printable, let's try to convert
|
|
long ucs = keysym2ucs(aGdkKeyEvent->keyval);
|
|
if ((ucs != -1) && (ucs < MAX_UNICODE)) {
|
|
return ucs;
|
|
}
|
|
|
|
// I guess we couldn't convert
|
|
return 0;
|
|
}
|
|
|
|
uint32_t
|
|
KeymapWrapper::GetCharCodeFor(const GdkEventKey *aGdkKeyEvent,
|
|
guint aModifierState,
|
|
gint aGroup)
|
|
{
|
|
guint keyval;
|
|
if (!gdk_keymap_translate_keyboard_state(mGdkKeymap,
|
|
aGdkKeyEvent->hardware_keycode,
|
|
GdkModifierType(aModifierState),
|
|
aGroup, &keyval, nullptr, nullptr, nullptr)) {
|
|
return 0;
|
|
}
|
|
GdkEventKey tmpEvent = *aGdkKeyEvent;
|
|
tmpEvent.state = aModifierState;
|
|
tmpEvent.keyval = keyval;
|
|
tmpEvent.group = aGroup;
|
|
return GetCharCodeFor(&tmpEvent);
|
|
}
|
|
|
|
uint32_t
|
|
KeymapWrapper::GetUnmodifiedCharCodeFor(const GdkEventKey* aGdkKeyEvent)
|
|
{
|
|
guint state = aGdkKeyEvent->state &
|
|
(GetModifierMask(SHIFT) | GetModifierMask(CAPS_LOCK) |
|
|
GetModifierMask(NUM_LOCK) | GetModifierMask(SCROLL_LOCK) |
|
|
GetModifierMask(LEVEL3) | GetModifierMask(LEVEL5));
|
|
uint32_t charCode = GetCharCodeFor(aGdkKeyEvent, GdkModifierType(state),
|
|
aGdkKeyEvent->group);
|
|
if (charCode) {
|
|
return charCode;
|
|
}
|
|
// If no character is mapped to the key when Level3 Shift or Level5 Shift
|
|
// is active, let's return a character which is inputted by the key without
|
|
// Level3 nor Level5 Shift.
|
|
guint stateWithoutAltGraph =
|
|
state & ~(GetModifierMask(LEVEL3) | GetModifierMask(LEVEL5));
|
|
if (state == stateWithoutAltGraph) {
|
|
return 0;
|
|
}
|
|
return GetCharCodeFor(aGdkKeyEvent, GdkModifierType(stateWithoutAltGraph),
|
|
aGdkKeyEvent->group);
|
|
}
|
|
|
|
gint
|
|
KeymapWrapper::GetKeyLevel(GdkEventKey *aGdkKeyEvent)
|
|
{
|
|
gint level;
|
|
if (!gdk_keymap_translate_keyboard_state(mGdkKeymap,
|
|
aGdkKeyEvent->hardware_keycode,
|
|
GdkModifierType(aGdkKeyEvent->state),
|
|
aGdkKeyEvent->group, nullptr, nullptr, &level, nullptr)) {
|
|
return -1;
|
|
}
|
|
return level;
|
|
}
|
|
|
|
gint
|
|
KeymapWrapper::GetFirstLatinGroup()
|
|
{
|
|
GdkKeymapKey *keys;
|
|
gint count;
|
|
gint minGroup = -1;
|
|
if (gdk_keymap_get_entries_for_keyval(mGdkKeymap, GDK_a, &keys, &count)) {
|
|
// find the minimum number group for latin inputtable layout
|
|
for (gint i = 0; i < count && minGroup != 0; ++i) {
|
|
if (keys[i].level != 0 && keys[i].level != 1) {
|
|
continue;
|
|
}
|
|
if (minGroup >= 0 && keys[i].group > minGroup) {
|
|
continue;
|
|
}
|
|
minGroup = keys[i].group;
|
|
}
|
|
g_free(keys);
|
|
}
|
|
return minGroup;
|
|
}
|
|
|
|
bool
|
|
KeymapWrapper::IsLatinGroup(guint8 aGroup)
|
|
{
|
|
GdkKeymapKey *keys;
|
|
gint count;
|
|
bool result = false;
|
|
if (gdk_keymap_get_entries_for_keyval(mGdkKeymap, GDK_a, &keys, &count)) {
|
|
for (gint i = 0; i < count; ++i) {
|
|
if (keys[i].level != 0 && keys[i].level != 1) {
|
|
continue;
|
|
}
|
|
if (keys[i].group == aGroup) {
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
g_free(keys);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool
|
|
KeymapWrapper::IsAutoRepeatableKey(guint aHardwareKeyCode)
|
|
{
|
|
uint8_t indexOfArray = aHardwareKeyCode / 8;
|
|
MOZ_ASSERT(indexOfArray < ArrayLength(mKeyboardState.auto_repeats),
|
|
"invalid index");
|
|
char bitMask = 1 << (aHardwareKeyCode % 8);
|
|
return (mKeyboardState.auto_repeats[indexOfArray] & bitMask) != 0;
|
|
}
|
|
|
|
/* static */ bool
|
|
KeymapWrapper::IsBasicLatinLetterOrNumeral(uint32_t aCharCode)
|
|
{
|
|
return (aCharCode >= 'a' && aCharCode <= 'z') ||
|
|
(aCharCode >= 'A' && aCharCode <= 'Z') ||
|
|
(aCharCode >= '0' && aCharCode <= '9');
|
|
}
|
|
|
|
/* static */ guint
|
|
KeymapWrapper::GetGDKKeyvalWithoutModifier(const GdkEventKey *aGdkKeyEvent)
|
|
{
|
|
KeymapWrapper* keymapWrapper = GetInstance();
|
|
guint state =
|
|
(aGdkKeyEvent->state & keymapWrapper->GetModifierMask(NUM_LOCK));
|
|
guint keyval;
|
|
if (!gdk_keymap_translate_keyboard_state(keymapWrapper->mGdkKeymap,
|
|
aGdkKeyEvent->hardware_keycode, GdkModifierType(state),
|
|
aGdkKeyEvent->group, &keyval, nullptr, nullptr, nullptr)) {
|
|
return 0;
|
|
}
|
|
return keyval;
|
|
}
|
|
|
|
/* static */ uint32_t
|
|
KeymapWrapper::GetDOMKeyCodeFromKeyPairs(guint aGdkKeyval)
|
|
{
|
|
switch (aGdkKeyval) {
|
|
case GDK_Cancel: return NS_VK_CANCEL;
|
|
case GDK_BackSpace: return NS_VK_BACK;
|
|
case GDK_Tab:
|
|
case GDK_ISO_Left_Tab: return NS_VK_TAB;
|
|
case GDK_Clear: return NS_VK_CLEAR;
|
|
case GDK_Return: return NS_VK_RETURN;
|
|
case GDK_Shift_L:
|
|
case GDK_Shift_R:
|
|
case GDK_Shift_Lock: return NS_VK_SHIFT;
|
|
case GDK_Control_L:
|
|
case GDK_Control_R: return NS_VK_CONTROL;
|
|
case GDK_Alt_L:
|
|
case GDK_Alt_R: return NS_VK_ALT;
|
|
case GDK_Meta_L:
|
|
case GDK_Meta_R: return NS_VK_META;
|
|
|
|
// Assume that Super or Hyper is always mapped to physical Win key.
|
|
case GDK_Super_L:
|
|
case GDK_Super_R:
|
|
case GDK_Hyper_L:
|
|
case GDK_Hyper_R: return NS_VK_WIN;
|
|
|
|
// GTK's AltGraph key is similar to Mac's Option (Alt) key. However,
|
|
// unfortunately, browsers on Mac are using NS_VK_ALT for it even though
|
|
// it's really different from Alt key on Windows.
|
|
// On the other hand, GTK's AltGrapsh keys are really different from
|
|
// Alt key. However, there is no AltGrapsh key on Windows. On Windows,
|
|
// both Ctrl and Alt keys are pressed internally when AltGr key is
|
|
// pressed. For some languages' users, AltGraph key is important, so,
|
|
// web applications on such locale may want to know AltGraph key press.
|
|
// Therefore, we should map AltGr keycode for them only on GTK.
|
|
case GDK_ISO_Level3_Shift:
|
|
case GDK_ISO_Level5_Shift:
|
|
// We assume that Mode_switch is always used for level3 shift.
|
|
case GDK_Mode_switch: return NS_VK_ALTGR;
|
|
|
|
case GDK_Pause: return NS_VK_PAUSE;
|
|
case GDK_Caps_Lock: return NS_VK_CAPS_LOCK;
|
|
case GDK_Kana_Lock:
|
|
case GDK_Kana_Shift: return NS_VK_KANA;
|
|
case GDK_Hangul: return NS_VK_HANGUL;
|
|
// case GDK_XXX: return NS_VK_JUNJA;
|
|
// case GDK_XXX: return NS_VK_FINAL;
|
|
case GDK_Hangul_Hanja: return NS_VK_HANJA;
|
|
case GDK_Kanji: return NS_VK_KANJI;
|
|
case GDK_Escape: return NS_VK_ESCAPE;
|
|
case GDK_Henkan: return NS_VK_CONVERT;
|
|
case GDK_Muhenkan: return NS_VK_NONCONVERT;
|
|
// case GDK_XXX: return NS_VK_ACCEPT;
|
|
// case GDK_XXX: return NS_VK_MODECHANGE;
|
|
case GDK_Page_Up: return NS_VK_PAGE_UP;
|
|
case GDK_Page_Down: return NS_VK_PAGE_DOWN;
|
|
case GDK_End: return NS_VK_END;
|
|
case GDK_Home: return NS_VK_HOME;
|
|
case GDK_Left: return NS_VK_LEFT;
|
|
case GDK_Up: return NS_VK_UP;
|
|
case GDK_Right: return NS_VK_RIGHT;
|
|
case GDK_Down: return NS_VK_DOWN;
|
|
case GDK_Select: return NS_VK_SELECT;
|
|
case GDK_Print: return NS_VK_PRINT;
|
|
case GDK_Execute: return NS_VK_EXECUTE;
|
|
case GDK_Insert: return NS_VK_INSERT;
|
|
case GDK_Delete: return NS_VK_DELETE;
|
|
case GDK_Help: return NS_VK_HELP;
|
|
|
|
// keypad keys
|
|
case GDK_KP_Left: return NS_VK_LEFT;
|
|
case GDK_KP_Right: return NS_VK_RIGHT;
|
|
case GDK_KP_Up: return NS_VK_UP;
|
|
case GDK_KP_Down: return NS_VK_DOWN;
|
|
case GDK_KP_Page_Up: return NS_VK_PAGE_UP;
|
|
// Not sure what these are
|
|
// case GDK_KP_Prior: return NS_VK_;
|
|
// case GDK_KP_Next: return NS_VK_;
|
|
case GDK_KP_Begin: return NS_VK_CLEAR; // Num-unlocked 5
|
|
case GDK_KP_Page_Down: return NS_VK_PAGE_DOWN;
|
|
case GDK_KP_Home: return NS_VK_HOME;
|
|
case GDK_KP_End: return NS_VK_END;
|
|
case GDK_KP_Insert: return NS_VK_INSERT;
|
|
case GDK_KP_Delete: return NS_VK_DELETE;
|
|
case GDK_KP_Enter: return NS_VK_RETURN;
|
|
|
|
case GDK_Num_Lock: return NS_VK_NUM_LOCK;
|
|
case GDK_Scroll_Lock: return NS_VK_SCROLL_LOCK;
|
|
|
|
// Function keys
|
|
case GDK_F1: return NS_VK_F1;
|
|
case GDK_F2: return NS_VK_F2;
|
|
case GDK_F3: return NS_VK_F3;
|
|
case GDK_F4: return NS_VK_F4;
|
|
case GDK_F5: return NS_VK_F5;
|
|
case GDK_F6: return NS_VK_F6;
|
|
case GDK_F7: return NS_VK_F7;
|
|
case GDK_F8: return NS_VK_F8;
|
|
case GDK_F9: return NS_VK_F9;
|
|
case GDK_F10: return NS_VK_F10;
|
|
case GDK_F11: return NS_VK_F11;
|
|
case GDK_F12: return NS_VK_F12;
|
|
case GDK_F13: return NS_VK_F13;
|
|
case GDK_F14: return NS_VK_F14;
|
|
case GDK_F15: return NS_VK_F15;
|
|
case GDK_F16: return NS_VK_F16;
|
|
case GDK_F17: return NS_VK_F17;
|
|
case GDK_F18: return NS_VK_F18;
|
|
case GDK_F19: return NS_VK_F19;
|
|
case GDK_F20: return NS_VK_F20;
|
|
case GDK_F21: return NS_VK_F21;
|
|
case GDK_F22: return NS_VK_F22;
|
|
case GDK_F23: return NS_VK_F23;
|
|
case GDK_F24: return NS_VK_F24;
|
|
|
|
// context menu key, keysym 0xff67, typically keycode 117 on 105-key
|
|
// (Microsoft) x86 keyboards, located between right 'Windows' key and
|
|
// right Ctrl key
|
|
case GDK_Menu: return NS_VK_CONTEXT_MENU;
|
|
case GDK_Sleep: return NS_VK_SLEEP;
|
|
|
|
case GDK_3270_Attn: return NS_VK_ATTN;
|
|
case GDK_3270_CursorSelect: return NS_VK_CRSEL;
|
|
case GDK_3270_ExSelect: return NS_VK_EXSEL;
|
|
case GDK_3270_EraseEOF: return NS_VK_EREOF;
|
|
case GDK_3270_Play: return NS_VK_PLAY;
|
|
// case GDK_XXX: return NS_VK_ZOOM;
|
|
case GDK_3270_PA1: return NS_VK_PA1;
|
|
|
|
// map Sun Keyboard special keysyms on to NS_VK keys
|
|
|
|
// Sun F11 key generates SunF36(0x1005ff10) keysym
|
|
case 0x1005ff10: return NS_VK_F11;
|
|
// Sun F12 key generates SunF37(0x1005ff11) keysym
|
|
case 0x1005ff11: return NS_VK_F12;
|
|
default: return 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
KeymapWrapper::WillDispatchKeyboardEvent(WidgetKeyboardEvent& aKeyEvent,
|
|
GdkEventKey* aGdkKeyEvent)
|
|
{
|
|
GetInstance()->WillDispatchKeyboardEventInternal(aKeyEvent, aGdkKeyEvent);
|
|
}
|
|
|
|
void
|
|
KeymapWrapper::WillDispatchKeyboardEventInternal(WidgetKeyboardEvent& aKeyEvent,
|
|
GdkEventKey* aGdkKeyEvent)
|
|
{
|
|
if (!aGdkKeyEvent) {
|
|
// If aGdkKeyEvent is nullptr, we're trying to dispatch a fake keyboard
|
|
// event in such case, we don't need to set alternative char codes.
|
|
// So, we don't need to do nothing here. This case is typically we're
|
|
// dispatching eKeyDown or eKeyUp event during composition.
|
|
return;
|
|
}
|
|
|
|
uint32_t charCode = GetCharCodeFor(aGdkKeyEvent);
|
|
if (!charCode) {
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p WillDispatchKeyboardEventInternal, "
|
|
"mKeyCode=0x%02X, charCode=0x%08X",
|
|
this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode));
|
|
return;
|
|
}
|
|
|
|
// The mCharCode was set from mKeyValue. However, for example, when Ctrl key
|
|
// is pressed, its value should indicate an ASCII character for backward
|
|
// compatibility rather than inputting character without the modifiers.
|
|
// Therefore, we need to modify mCharCode value here.
|
|
aKeyEvent.SetCharCode(charCode);
|
|
|
|
gint level = GetKeyLevel(aGdkKeyEvent);
|
|
if (level != 0 && level != 1) {
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p WillDispatchKeyboardEventInternal, "
|
|
"mKeyCode=0x%02X, mCharCode=0x%08X, level=%d",
|
|
this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode, level));
|
|
return;
|
|
}
|
|
|
|
guint baseState = aGdkKeyEvent->state &
|
|
~(GetModifierMask(SHIFT) | GetModifierMask(CTRL) |
|
|
GetModifierMask(ALT) | GetModifierMask(META) |
|
|
GetModifierMask(SUPER) | GetModifierMask(HYPER));
|
|
|
|
// We shold send both shifted char and unshifted char, all keyboard layout
|
|
// users can use all keys. Don't change event.mCharCode. On some keyboard
|
|
// layouts, Ctrl/Alt/Meta keys are used for inputting some characters.
|
|
AlternativeCharCode altCharCodes(0, 0);
|
|
// unshifted charcode of current keyboard layout.
|
|
altCharCodes.mUnshiftedCharCode =
|
|
GetCharCodeFor(aGdkKeyEvent, baseState, aGdkKeyEvent->group);
|
|
bool isLatin = (altCharCodes.mUnshiftedCharCode <= 0xFF);
|
|
// shifted charcode of current keyboard layout.
|
|
altCharCodes.mShiftedCharCode =
|
|
GetCharCodeFor(aGdkKeyEvent,
|
|
baseState | GetModifierMask(SHIFT),
|
|
aGdkKeyEvent->group);
|
|
isLatin = isLatin && (altCharCodes.mShiftedCharCode <= 0xFF);
|
|
if (altCharCodes.mUnshiftedCharCode || altCharCodes.mShiftedCharCode) {
|
|
aKeyEvent.mAlternativeCharCodes.AppendElement(altCharCodes);
|
|
}
|
|
|
|
bool needLatinKeyCodes = !isLatin;
|
|
if (!needLatinKeyCodes) {
|
|
needLatinKeyCodes =
|
|
(IS_ASCII_ALPHABETICAL(altCharCodes.mUnshiftedCharCode) !=
|
|
IS_ASCII_ALPHABETICAL(altCharCodes.mShiftedCharCode));
|
|
}
|
|
|
|
// If current keyboard layout can input Latin characters, we don't need
|
|
// more information.
|
|
if (!needLatinKeyCodes) {
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p WillDispatchKeyboardEventInternal, "
|
|
"mKeyCode=0x%02X, mCharCode=0x%08X, level=%d, altCharCodes={ "
|
|
"mUnshiftedCharCode=0x%08X, mShiftedCharCode=0x%08X }",
|
|
this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode, level,
|
|
altCharCodes.mUnshiftedCharCode, altCharCodes.mShiftedCharCode));
|
|
return;
|
|
}
|
|
|
|
// Next, find Latin inputtable keyboard layout.
|
|
gint minGroup = GetFirstLatinGroup();
|
|
if (minGroup < 0) {
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p WillDispatchKeyboardEventInternal, "
|
|
"Latin keyboard layout isn't found: "
|
|
"mKeyCode=0x%02X, mCharCode=0x%08X, level=%d, "
|
|
"altCharCodes={ mUnshiftedCharCode=0x%08X, "
|
|
"mShiftedCharCode=0x%08X }",
|
|
this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode, level,
|
|
altCharCodes.mUnshiftedCharCode, altCharCodes.mShiftedCharCode));
|
|
return;
|
|
}
|
|
|
|
AlternativeCharCode altLatinCharCodes(0, 0);
|
|
uint32_t unmodifiedCh =
|
|
aKeyEvent.IsShift() ? altCharCodes.mShiftedCharCode :
|
|
altCharCodes.mUnshiftedCharCode;
|
|
|
|
// unshifted charcode of found keyboard layout.
|
|
uint32_t ch = GetCharCodeFor(aGdkKeyEvent, baseState, minGroup);
|
|
altLatinCharCodes.mUnshiftedCharCode =
|
|
IsBasicLatinLetterOrNumeral(ch) ? ch : 0;
|
|
// shifted charcode of found keyboard layout.
|
|
ch = GetCharCodeFor(aGdkKeyEvent,
|
|
baseState | GetModifierMask(SHIFT),
|
|
minGroup);
|
|
altLatinCharCodes.mShiftedCharCode =
|
|
IsBasicLatinLetterOrNumeral(ch) ? ch : 0;
|
|
if (altLatinCharCodes.mUnshiftedCharCode ||
|
|
altLatinCharCodes.mShiftedCharCode) {
|
|
aKeyEvent.mAlternativeCharCodes.AppendElement(altLatinCharCodes);
|
|
}
|
|
// If the mCharCode is not Latin, and the level is 0 or 1, we should
|
|
// replace the mCharCode to Latin char if Alt and Meta keys are not
|
|
// pressed. (Alt should be sent the localized char for accesskey
|
|
// like handling of Web Applications.)
|
|
ch = aKeyEvent.IsShift() ? altLatinCharCodes.mShiftedCharCode :
|
|
altLatinCharCodes.mUnshiftedCharCode;
|
|
if (ch && !(aKeyEvent.IsAlt() || aKeyEvent.IsMeta()) &&
|
|
charCode == unmodifiedCh) {
|
|
aKeyEvent.SetCharCode(ch);
|
|
}
|
|
|
|
MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
|
|
("%p WillDispatchKeyboardEventInternal, "
|
|
"mKeyCode=0x%02X, mCharCode=0x%08X, level=%d, minGroup=%d, "
|
|
"altCharCodes={ mUnshiftedCharCode=0x%08X, "
|
|
"mShiftedCharCode=0x%08X } "
|
|
"altLatinCharCodes={ mUnshiftedCharCode=0x%08X, "
|
|
"mShiftedCharCode=0x%08X }",
|
|
this, aKeyEvent.mKeyCode, aKeyEvent.mCharCode, level, minGroup,
|
|
altCharCodes.mUnshiftedCharCode, altCharCodes.mShiftedCharCode,
|
|
altLatinCharCodes.mUnshiftedCharCode,
|
|
altLatinCharCodes.mShiftedCharCode));
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|