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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();
}
// 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->GetParent(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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