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Diffstat (limited to 'widget/SharedWidgetUtils.cpp')
| -rw-r--r-- | widget/SharedWidgetUtils.cpp | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/widget/SharedWidgetUtils.cpp b/widget/SharedWidgetUtils.cpp new file mode 100644 index 0000000000..f1c71b5c66 --- /dev/null +++ b/widget/SharedWidgetUtils.cpp @@ -0,0 +1,273 @@ +/* -*- 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 |