mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 "InterfaceInitFuncs.h"
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#include "Accessible-inl.h"
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#include "nsMai.h"
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#include "Role.h"
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#include "mozilla/Likely.h"
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#include "nsString.h"
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using namespace mozilla::a11y;
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extern "C" {
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static gboolean
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doActionCB(AtkAction *aAction, gint aActionIndex)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
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return accWrap && accWrap->DoAction(aActionIndex);
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}
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static gint
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getActionCountCB(AtkAction *aAction)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
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return accWrap ? accWrap->ActionCount() : 0;
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}
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static const gchar*
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getActionDescriptionCB(AtkAction *aAction, gint aActionIndex)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
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if (!accWrap)
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return nullptr;
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nsAutoString description;
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accWrap->ActionDescriptionAt(aActionIndex, description);
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return AccessibleWrap::ReturnString(description);
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}
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static const gchar*
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getActionNameCB(AtkAction *aAction, gint aActionIndex)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
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if (!accWrap)
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return nullptr;
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nsAutoString autoStr;
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accWrap->ActionNameAt(aActionIndex, autoStr);
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return AccessibleWrap::ReturnString(autoStr);
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}
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static const gchar*
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getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
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{
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AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
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if (!acc)
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return nullptr;
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// Return all key bindings including access key and keyboard shortcut.
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nsAutoString keyBindingsStr;
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// Get access key.
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KeyBinding keyBinding = acc->AccessKey();
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if (!keyBinding.IsEmpty()) {
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keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
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Accessible* parent = acc->Parent();
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roles::Role role = parent ? parent->Role() : roles::NOTHING;
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if (role == roles::PARENT_MENUITEM || role == roles::MENUITEM ||
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role == roles::RADIO_MENU_ITEM || role == roles::CHECK_MENU_ITEM) {
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// It is submenu, expose keyboard shortcuts from menu hierarchy like
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// "s;<Alt>f:s"
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nsAutoString keysInHierarchyStr = keyBindingsStr;
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do {
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KeyBinding parentKeyBinding = parent->AccessKey();
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if (!parentKeyBinding.IsEmpty()) {
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nsAutoString str;
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parentKeyBinding.ToString(str, KeyBinding::eAtkFormat);
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str.Append(':');
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keysInHierarchyStr.Insert(str, 0);
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}
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} while ((parent = parent->Parent()) && parent->Role() != roles::MENUBAR);
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keyBindingsStr.Append(';');
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keyBindingsStr.Append(keysInHierarchyStr);
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}
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} else {
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// No access key, add ';' to point this.
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keyBindingsStr.Append(';');
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}
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// Get keyboard shortcut.
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keyBindingsStr.Append(';');
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keyBinding = acc->KeyboardShortcut();
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if (!keyBinding.IsEmpty()) {
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keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
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}
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return AccessibleWrap::ReturnString(keyBindingsStr);
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}
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}
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void
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actionInterfaceInitCB(AtkActionIface* aIface)
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{
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NS_ASSERTION(aIface, "Invalid aIface");
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if (MOZ_UNLIKELY(!aIface))
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return;
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aIface->do_action = doActionCB;
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aIface->get_n_actions = getActionCountCB;
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aIface->get_description = getActionDescriptionCB;
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aIface->get_keybinding = getKeyBindingCB;
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aIface->get_name = getActionNameCB;
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}
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