michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "WidgetUtils.h"
michael@0: 
michael@0: #include "mozilla/TextEvents.h"
michael@0: 
michael@0: #include "nsIBaseWindow.h"
michael@0: #include "nsIDocShellTreeItem.h"
michael@0: #include "nsIDocShell.h"
michael@0: #include "nsIInterfaceRequestorUtils.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace widget {
michael@0: 
michael@0: //static
michael@0: already_AddRefed<nsIWidget>
michael@0: WidgetUtils::DOMWindowToWidget(nsIDOMWindow *aDOMWindow)
michael@0: {
michael@0:   nsCOMPtr<nsIWidget> widget;
michael@0: 
michael@0:   nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aDOMWindow);
michael@0:   if (window) {
michael@0:     nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(window->GetDocShell()));
michael@0: 
michael@0:     while (!widget && baseWin) {
michael@0:       baseWin->GetParentWidget(getter_AddRefs(widget));
michael@0:       if (!widget) {
michael@0:         nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(baseWin));
michael@0:         if (!docShellAsItem)
michael@0:           return nullptr;
michael@0: 
michael@0:         nsCOMPtr<nsIDocShellTreeItem> parent;
michael@0:         docShellAsItem->GetParent(getter_AddRefs(parent));
michael@0: 
michael@0:         window = do_GetInterface(parent);
michael@0:         if (!window)
michael@0:           return nullptr;
michael@0: 
michael@0:         baseWin = do_QueryInterface(window->GetDocShell());
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return widget.forget();
michael@0: }
michael@0: 
michael@0: // static
michael@0: uint32_t
michael@0: WidgetUtils::ComputeKeyCodeFromChar(uint32_t aCharCode)
michael@0: {
michael@0:   if (aCharCode >= 'A' && aCharCode <= 'Z') {
michael@0:     return aCharCode - 'A' + NS_VK_A;
michael@0:   }
michael@0:   if (aCharCode >= 'a' && aCharCode <= 'z') {
michael@0:     return aCharCode - 'a' + NS_VK_A;
michael@0:   }
michael@0:   if (aCharCode >= '0' && aCharCode <= '9') {
michael@0:     return aCharCode - '0' + NS_VK_0;
michael@0:   }
michael@0:   switch (aCharCode) {
michael@0:     case ' ': return NS_VK_SPACE;
michael@0:     case '\t': return NS_VK_TAB;
michael@0:     case ':': return NS_VK_COLON;
michael@0:     case ';': return NS_VK_SEMICOLON;
michael@0:     case '<': return NS_VK_LESS_THAN;
michael@0:     case '=': return NS_VK_EQUALS;
michael@0:     case '>': return NS_VK_GREATER_THAN;
michael@0:     case '?': return NS_VK_QUESTION_MARK;
michael@0:     case '@': return NS_VK_AT;
michael@0:     case '^': return NS_VK_CIRCUMFLEX;
michael@0:     case '!': return NS_VK_EXCLAMATION;
michael@0:     case '"': return NS_VK_DOUBLE_QUOTE;
michael@0:     case '#': return NS_VK_HASH;
michael@0:     case '$': return NS_VK_DOLLAR;
michael@0:     case '%': return NS_VK_PERCENT;
michael@0:     case '&': return NS_VK_AMPERSAND;
michael@0:     case '_': return NS_VK_UNDERSCORE;
michael@0:     case '(': return NS_VK_OPEN_PAREN;
michael@0:     case ')': return NS_VK_CLOSE_PAREN;
michael@0:     case '*': return NS_VK_ASTERISK;
michael@0:     case '+': return NS_VK_PLUS;
michael@0:     case '|': return NS_VK_PIPE;
michael@0:     case '-': return NS_VK_HYPHEN_MINUS;
michael@0:     case '{': return NS_VK_OPEN_CURLY_BRACKET;
michael@0:     case '}': return NS_VK_CLOSE_CURLY_BRACKET;
michael@0:     case '~': return NS_VK_TILDE;
michael@0:     case ',': return NS_VK_COMMA;
michael@0:     case '.': return NS_VK_PERIOD;
michael@0:     case '/': return NS_VK_SLASH;
michael@0:     case '`': return NS_VK_BACK_QUOTE;
michael@0:     case '[': return NS_VK_OPEN_BRACKET;
michael@0:     case '\\': return NS_VK_BACK_SLASH;
michael@0:     case ']': return NS_VK_CLOSE_BRACKET;
michael@0:     case '\'': return NS_VK_QUOTE;
michael@0:   }
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: // static
michael@0: void
michael@0: WidgetUtils::GetLatinCharCodeForKeyCode(uint32_t aKeyCode,
michael@0:                                         bool aIsCapsLock,
michael@0:                                         uint32_t* aUnshiftedCharCode,
michael@0:                                         uint32_t* aShiftedCharCode)
michael@0: {
michael@0:   MOZ_ASSERT(aUnshiftedCharCode && aShiftedCharCode,
michael@0:              "aUnshiftedCharCode and aShiftedCharCode must not be NULL");
michael@0: 
michael@0:   if (aKeyCode >= NS_VK_A && aKeyCode <= NS_VK_Z) {
michael@0:     *aUnshiftedCharCode = *aShiftedCharCode = aKeyCode;
michael@0:     if (aIsCapsLock) {
michael@0:       *aShiftedCharCode += 0x20;
michael@0:     } else {
michael@0:       *aUnshiftedCharCode += 0x20;
michael@0:     }
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   // aShiftedCharCode must be zero for non-alphabet keys.
michael@0:   *aShiftedCharCode = 0;
michael@0: 
michael@0:   if (aKeyCode >= NS_VK_0 && aKeyCode <= NS_VK_9) {
michael@0:     *aUnshiftedCharCode = aKeyCode;
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   switch (aKeyCode) {
michael@0:     case NS_VK_SPACE:               *aUnshiftedCharCode = ' '; break;
michael@0:     case NS_VK_COLON:               *aUnshiftedCharCode = ':'; break;
michael@0:     case NS_VK_SEMICOLON:           *aUnshiftedCharCode = ';'; break;
michael@0:     case NS_VK_LESS_THAN:           *aUnshiftedCharCode = '<'; break;
michael@0:     case NS_VK_EQUALS:              *aUnshiftedCharCode = '='; break;
michael@0:     case NS_VK_GREATER_THAN:        *aUnshiftedCharCode = '>'; break;
michael@0:     case NS_VK_QUESTION_MARK:       *aUnshiftedCharCode = '?'; break;
michael@0:     case NS_VK_AT:                  *aUnshiftedCharCode = '@'; break;
michael@0:     case NS_VK_CIRCUMFLEX:          *aUnshiftedCharCode = '^'; break;
michael@0:     case NS_VK_EXCLAMATION:         *aUnshiftedCharCode = '!'; break;
michael@0:     case NS_VK_DOUBLE_QUOTE:        *aUnshiftedCharCode = '"'; break;
michael@0:     case NS_VK_HASH:                *aUnshiftedCharCode = '#'; break;
michael@0:     case NS_VK_DOLLAR:              *aUnshiftedCharCode = '$'; break;
michael@0:     case NS_VK_PERCENT:             *aUnshiftedCharCode = '%'; break;
michael@0:     case NS_VK_AMPERSAND:           *aUnshiftedCharCode = '&'; break;
michael@0:     case NS_VK_UNDERSCORE:          *aUnshiftedCharCode = '_'; break;
michael@0:     case NS_VK_OPEN_PAREN:          *aUnshiftedCharCode = '('; break;
michael@0:     case NS_VK_CLOSE_PAREN:         *aUnshiftedCharCode = ')'; break;
michael@0:     case NS_VK_ASTERISK:            *aUnshiftedCharCode = '*'; break;
michael@0:     case NS_VK_PLUS:                *aUnshiftedCharCode = '+'; break;
michael@0:     case NS_VK_PIPE:                *aUnshiftedCharCode = '|'; break;
michael@0:     case NS_VK_HYPHEN_MINUS:        *aUnshiftedCharCode = '-'; break;
michael@0:     case NS_VK_OPEN_CURLY_BRACKET:  *aUnshiftedCharCode = '{'; break;
michael@0:     case NS_VK_CLOSE_CURLY_BRACKET: *aUnshiftedCharCode = '}'; break;
michael@0:     case NS_VK_TILDE:               *aUnshiftedCharCode = '~'; break;
michael@0:     case NS_VK_COMMA:               *aUnshiftedCharCode = ','; break;
michael@0:     case NS_VK_PERIOD:              *aUnshiftedCharCode = '.'; break;
michael@0:     case NS_VK_SLASH:               *aUnshiftedCharCode = '/'; break;
michael@0:     case NS_VK_BACK_QUOTE:          *aUnshiftedCharCode = '`'; break;
michael@0:     case NS_VK_OPEN_BRACKET:        *aUnshiftedCharCode = '['; break;
michael@0:     case NS_VK_BACK_SLASH:          *aUnshiftedCharCode = '\\'; break;
michael@0:     case NS_VK_CLOSE_BRACKET:       *aUnshiftedCharCode = ']'; break;
michael@0:     case NS_VK_QUOTE:               *aUnshiftedCharCode = '\''; break;
michael@0:     default:                        *aUnshiftedCharCode = 0; break;
michael@0:   }
michael@0: }
michael@0: 
michael@0: // static
michael@0: KeyNameIndex
michael@0: WidgetUtils::GetDeadKeyNameIndex(char16_t aChar)
michael@0: {
michael@0:   switch (aChar) {
michael@0:     case '`':
michael@0:     case 0x02CB: // MODIFIER LETTER GRAVE ACCENT
michael@0:     case 0x0300: // COMBINING GRAVE ACCENT
michael@0:       return KEY_NAME_INDEX_DeadGrave;
michael@0:     case '\'':
michael@0:     case 0x00B4: // ACUTE ACCENT
michael@0:     case 0x02B9: // MODIFIER LETTER PRIME
michael@0:     case 0x02CA: // MODIFIER LETTER ACUTE ACCENT
michael@0:     case 0x0301: // COMBINING ACUTE ACCENT
michael@0:     case 0x0384: // GREEK TONOS
michael@0:       return KEY_NAME_INDEX_DeadAcute;
michael@0:     case '^':
michael@0:     case 0x02C6: // MODIFIER LETTER CIRCUMFLEX ACCENT
michael@0:     case 0x0302: // COMBINING CIRCUMFLEX ACCENT
michael@0:       return KEY_NAME_INDEX_DeadCircumflex;
michael@0:     case '~':
michael@0:     case 0x02DC: // SMALL TILDE
michael@0:     case 0x0303: // COMBINING TILDE
michael@0:       return KEY_NAME_INDEX_DeadTilde;
michael@0:     case 0x00AF: // MACRON
michael@0:     case 0x02C9: // MODIFIER LETTER MACRON
michael@0:     case 0x0304: // COMBINING MACRON
michael@0:       return KEY_NAME_INDEX_DeadMacron;
michael@0:     case 0x02D8: // BRAVE
michael@0:     case 0xA67C: // COMBINING CYRILLIC KAVYKA
michael@0:     case 0x0306: // COMBINING BRAVE
michael@0:       return KEY_NAME_INDEX_DeadBreve;
michael@0:     case 0x02D9: // DOT ABOVE
michael@0:     case 0x0307: // COMBINING DOT ABOVE
michael@0:       return KEY_NAME_INDEX_DeadAboveDot;
michael@0:     case 0x00A8: // DIAERESIS
michael@0:     case 0x0308: // COMBINING DIAERESIS
michael@0:       return KEY_NAME_INDEX_DeadUmlaut;
michael@0:     case 0x00B0: // DEGREE SIGN
michael@0:     case 0x02DA: // RING ABOVE
michael@0:     case 0x030A: // COMBINING RING ABOVE
michael@0:       return KEY_NAME_INDEX_DeadAboveRing;
michael@0:     case '"':
michael@0:     case 0x02BA: // MODIFIER LETTER DOUBLE PRIME
michael@0:     case 0x02DD: // DOUBLE ACUTE ACCENT
michael@0:     case 0x030B: // COMBINING DOUBLE ACUTE ACCENT
michael@0:       return KEY_NAME_INDEX_DeadDoubleacute;
michael@0:     case 0x02C7: // CARON
michael@0:     case 0x030C: // COMBINING CARON
michael@0:       return KEY_NAME_INDEX_DeadCaron;
michael@0:     case 0x00B8: // CEDILLA
michael@0:     case 0x0327: // COMBINING CEDILLA
michael@0:       return KEY_NAME_INDEX_DeadCedilla;
michael@0:     case 0x02DB: // OGONEK
michael@0:     case 0x0328: // COMBINING OGONEK
michael@0:       return KEY_NAME_INDEX_DeadOgonek;
michael@0:     case 0x0345: // COMBINING GREEK YPOGEGRAMMENI
michael@0:     case 0x037A: // GREEK YPOGEGRAMMENI
michael@0:     case 0x0399: // GREEK CAPITAL LETTER IOTA
michael@0:       return KEY_NAME_INDEX_DeadIota;
michael@0:     case 0x3099: // COMBINING KATAKANA-HIRAGANA VOICED SOUND MARK
michael@0:     case 0x309B: // KATAKANA-HIRAGANA VOICED SOUND MARK
michael@0:       return KEY_NAME_INDEX_DeadVoicedSound;
michael@0:     case 0x309A: // COMBINING KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
michael@0:     case 0x309C: // KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
michael@0:       return KEY_NAME_INDEX_DeadSemivoicedSound;
michael@0:     default:
michael@0:       return KEY_NAME_INDEX_Unidentified;
michael@0:   }
michael@0: }
michael@0: 
michael@0: } // namespace widget
michael@0: } // namespace mozilla