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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WidgetUtils.h"
#include "mozilla/TextEvents.h"
#include "nsIBaseWindow.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShell.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsPIDOMWindow.h"
namespace mozilla {
namespace widget {
// static
void WidgetUtils::Shutdown() {
WidgetKeyboardEvent::Shutdown();
InternalEditorInputEvent::Shutdown();
}
// static
already_AddRefed<nsIWidget> WidgetUtils::DOMWindowToWidget(
nsPIDOMWindowOuter* aDOMWindow) {
nsCOMPtr<nsIWidget> widget;
nsCOMPtr<nsPIDOMWindowOuter> window = aDOMWindow;
if (window) {
nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(window->GetDocShell()));
while (!widget && baseWin) {
baseWin->GetParentWidget(getter_AddRefs(widget));
if (!widget) {
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(
do_QueryInterface(baseWin));
if (!docShellAsItem) return nullptr;
nsCOMPtr<nsIDocShellTreeItem> parent;
docShellAsItem->GetInProcessParent(getter_AddRefs(parent));
window = do_GetInterface(parent);
if (!window) return nullptr;
baseWin = do_QueryInterface(window->GetDocShell());
}
}
}
return widget.forget();
}
// static
uint32_t WidgetUtils::ComputeKeyCodeFromChar(uint32_t aCharCode) {
if (aCharCode >= 'A' && aCharCode <= 'Z') {
return aCharCode - 'A' + NS_VK_A;
}
if (aCharCode >= 'a' && aCharCode <= 'z') {
return aCharCode - 'a' + NS_VK_A;
}
if (aCharCode >= '0' && aCharCode <= '9') {
return aCharCode - '0' + NS_VK_0;
}
switch (aCharCode) {
case ' ':
return NS_VK_SPACE;
case '\t':
return NS_VK_TAB;
case ':':
return NS_VK_COLON;
case ';':
return NS_VK_SEMICOLON;
case '<':
return NS_VK_LESS_THAN;
case '=':
return NS_VK_EQUALS;
case '>':
return NS_VK_GREATER_THAN;
case '?':
return NS_VK_QUESTION_MARK;
case '@':
return NS_VK_AT;
case '^':
return NS_VK_CIRCUMFLEX;
case '!':
return NS_VK_EXCLAMATION;
case '"':
return NS_VK_DOUBLE_QUOTE;
case '#':
return NS_VK_HASH;
case '$':
return NS_VK_DOLLAR;
case '%':
return NS_VK_PERCENT;
case '&':
return NS_VK_AMPERSAND;
case '_':
return NS_VK_UNDERSCORE;
case '(':
return NS_VK_OPEN_PAREN;
case ')':
return NS_VK_CLOSE_PAREN;
case '*':
return NS_VK_ASTERISK;
case '+':
return NS_VK_PLUS;
case '|':
return NS_VK_PIPE;
case '-':
return NS_VK_HYPHEN_MINUS;
case '{':
return NS_VK_OPEN_CURLY_BRACKET;
case '}':
return NS_VK_CLOSE_CURLY_BRACKET;
case '~':
return NS_VK_TILDE;
case ',':
return NS_VK_COMMA;
case '.':
return NS_VK_PERIOD;
case '/':
return NS_VK_SLASH;
case '`':
return NS_VK_BACK_QUOTE;
case '[':
return NS_VK_OPEN_BRACKET;
case '\\':
return NS_VK_BACK_SLASH;
case ']':
return NS_VK_CLOSE_BRACKET;
case '\'':
return NS_VK_QUOTE;
}
return 0;
}
// static
void WidgetUtils::GetLatinCharCodeForKeyCode(uint32_t aKeyCode,
bool aIsCapsLock,
uint32_t* aUnshiftedCharCode,
uint32_t* aShiftedCharCode) {
MOZ_ASSERT(aUnshiftedCharCode && aShiftedCharCode,
"aUnshiftedCharCode and aShiftedCharCode must not be NULL");
if (aKeyCode >= NS_VK_A && aKeyCode <= NS_VK_Z) {
*aUnshiftedCharCode = *aShiftedCharCode = aKeyCode;
if (aIsCapsLock) {
*aShiftedCharCode += 0x20;
} else {
*aUnshiftedCharCode += 0x20;
}
return;
}
// aShiftedCharCode must be zero for non-alphabet keys.
*aShiftedCharCode = 0;
if (aKeyCode >= NS_VK_0 && aKeyCode <= NS_VK_9) {
*aUnshiftedCharCode = aKeyCode;
return;
}
switch (aKeyCode) {
case NS_VK_SPACE:
*aUnshiftedCharCode = ' ';
break;
case NS_VK_COLON:
*aUnshiftedCharCode = ':';
break;
case NS_VK_SEMICOLON:
*aUnshiftedCharCode = ';';
break;
case NS_VK_LESS_THAN:
*aUnshiftedCharCode = '<';
break;
case NS_VK_EQUALS:
*aUnshiftedCharCode = '=';
break;
case NS_VK_GREATER_THAN:
*aUnshiftedCharCode = '>';
break;
case NS_VK_QUESTION_MARK:
*aUnshiftedCharCode = '?';
break;
case NS_VK_AT:
*aUnshiftedCharCode = '@';
break;
case NS_VK_CIRCUMFLEX:
*aUnshiftedCharCode = '^';
break;
case NS_VK_EXCLAMATION:
*aUnshiftedCharCode = '!';
break;
case NS_VK_DOUBLE_QUOTE:
*aUnshiftedCharCode = '"';
break;
case NS_VK_HASH:
*aUnshiftedCharCode = '#';
break;
case NS_VK_DOLLAR:
*aUnshiftedCharCode = '$';
break;
case NS_VK_PERCENT:
*aUnshiftedCharCode = '%';
break;
case NS_VK_AMPERSAND:
*aUnshiftedCharCode = '&';
break;
case NS_VK_UNDERSCORE:
*aUnshiftedCharCode = '_';
break;
case NS_VK_OPEN_PAREN:
*aUnshiftedCharCode = '(';
break;
case NS_VK_CLOSE_PAREN:
*aUnshiftedCharCode = ')';
break;
case NS_VK_ASTERISK:
*aUnshiftedCharCode = '*';
break;
case NS_VK_PLUS:
*aUnshiftedCharCode = '+';
break;
case NS_VK_PIPE:
*aUnshiftedCharCode = '|';
break;
case NS_VK_HYPHEN_MINUS:
*aUnshiftedCharCode = '-';
break;
case NS_VK_OPEN_CURLY_BRACKET:
*aUnshiftedCharCode = '{';
break;
case NS_VK_CLOSE_CURLY_BRACKET:
*aUnshiftedCharCode = '}';
break;
case NS_VK_TILDE:
*aUnshiftedCharCode = '~';
break;
case NS_VK_COMMA:
*aUnshiftedCharCode = ',';
break;
case NS_VK_PERIOD:
*aUnshiftedCharCode = '.';
break;
case NS_VK_SLASH:
*aUnshiftedCharCode = '/';
break;
case NS_VK_BACK_QUOTE:
*aUnshiftedCharCode = '`';
break;
case NS_VK_OPEN_BRACKET:
*aUnshiftedCharCode = '[';
break;
case NS_VK_BACK_SLASH:
*aUnshiftedCharCode = '\\';
break;
case NS_VK_CLOSE_BRACKET:
*aUnshiftedCharCode = ']';
break;
case NS_VK_QUOTE:
*aUnshiftedCharCode = '\'';
break;
default:
*aUnshiftedCharCode = 0;
break;
}
}
} // namespace widget
} // namespace mozilla
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