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widget/shared/SharedWidgetUtils.cpp@b8a032363ba2 (annotated)

widget/shared/SharedWidgetUtils.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 *
michael@0 3 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "WidgetUtils.h"
michael@0 8
michael@0 9 #include "mozilla/TextEvents.h"
michael@0 10
michael@0 11 #include "nsIBaseWindow.h"
michael@0 12 #include "nsIDocShellTreeItem.h"
michael@0 13 #include "nsIDocShell.h"
michael@0 14 #include "nsIInterfaceRequestorUtils.h"
michael@0 15
michael@0 16 namespace mozilla {
michael@0 17 namespace widget {
michael@0 18
michael@0 19 //static
michael@0 20 already_AddRefed<nsIWidget>
michael@0 21 WidgetUtils::DOMWindowToWidget(nsIDOMWindow *aDOMWindow)
michael@0 22 {
michael@0 23 nsCOMPtr<nsIWidget> widget;
michael@0 24
michael@0 25 nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aDOMWindow);
michael@0 26 if (window) {
michael@0 27 nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(window->GetDocShell()));
michael@0 28
michael@0 29 while (!widget && baseWin) {
michael@0 30 baseWin->GetParentWidget(getter_AddRefs(widget));
michael@0 31 if (!widget) {
michael@0 32 nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(baseWin));
michael@0 33 if (!docShellAsItem)
michael@0 34 return nullptr;
michael@0 35
michael@0 36 nsCOMPtr<nsIDocShellTreeItem> parent;
michael@0 37 docShellAsItem->GetParent(getter_AddRefs(parent));
michael@0 38
michael@0 39 window = do_GetInterface(parent);
michael@0 40 if (!window)
michael@0 41 return nullptr;
michael@0 42
michael@0 43 baseWin = do_QueryInterface(window->GetDocShell());
michael@0 44 }
michael@0 45 }
michael@0 46 }
michael@0 47
michael@0 48 return widget.forget();
michael@0 49 }
michael@0 50
michael@0 51 // static
michael@0 52 uint32_t
michael@0 53 WidgetUtils::ComputeKeyCodeFromChar(uint32_t aCharCode)
michael@0 54 {
michael@0 55 if (aCharCode >= 'A' && aCharCode <= 'Z') {
michael@0 56 return aCharCode - 'A' + NS_VK_A;
michael@0 57 }
michael@0 58 if (aCharCode >= 'a' && aCharCode <= 'z') {
michael@0 59 return aCharCode - 'a' + NS_VK_A;
michael@0 60 }
michael@0 61 if (aCharCode >= '0' && aCharCode <= '9') {
michael@0 62 return aCharCode - '0' + NS_VK_0;
michael@0 63 }
michael@0 64 switch (aCharCode) {
michael@0 65 case ' ': return NS_VK_SPACE;
michael@0 66 case '\t': return NS_VK_TAB;
michael@0 67 case ':': return NS_VK_COLON;
michael@0 68 case ';': return NS_VK_SEMICOLON;
michael@0 69 case '<': return NS_VK_LESS_THAN;
michael@0 70 case '=': return NS_VK_EQUALS;
michael@0 71 case '>': return NS_VK_GREATER_THAN;
michael@0 72 case '?': return NS_VK_QUESTION_MARK;
michael@0 73 case '@': return NS_VK_AT;
michael@0 74 case '^': return NS_VK_CIRCUMFLEX;
michael@0 75 case '!': return NS_VK_EXCLAMATION;
michael@0 76 case '"': return NS_VK_DOUBLE_QUOTE;
michael@0 77 case '#': return NS_VK_HASH;
michael@0 78 case '$': return NS_VK_DOLLAR;
michael@0 79 case '%': return NS_VK_PERCENT;
michael@0 80 case '&': return NS_VK_AMPERSAND;
michael@0 81 case '_': return NS_VK_UNDERSCORE;
michael@0 82 case '(': return NS_VK_OPEN_PAREN;
michael@0 83 case ')': return NS_VK_CLOSE_PAREN;
michael@0 84 case '*': return NS_VK_ASTERISK;
michael@0 85 case '+': return NS_VK_PLUS;
michael@0 86 case '|': return NS_VK_PIPE;
michael@0 87 case '-': return NS_VK_HYPHEN_MINUS;
michael@0 88 case '{': return NS_VK_OPEN_CURLY_BRACKET;
michael@0 89 case '}': return NS_VK_CLOSE_CURLY_BRACKET;
michael@0 90 case '~': return NS_VK_TILDE;
michael@0 91 case ',': return NS_VK_COMMA;
michael@0 92 case '.': return NS_VK_PERIOD;
michael@0 93 case '/': return NS_VK_SLASH;
michael@0 94 case '`': return NS_VK_BACK_QUOTE;
michael@0 95 case '[': return NS_VK_OPEN_BRACKET;
michael@0 96 case '\\': return NS_VK_BACK_SLASH;
michael@0 97 case ']': return NS_VK_CLOSE_BRACKET;
michael@0 98 case '\'': return NS_VK_QUOTE;
michael@0 99 }
michael@0 100 return 0;
michael@0 101 }
michael@0 102
michael@0 103 // static
michael@0 104 void
michael@0 105 WidgetUtils::GetLatinCharCodeForKeyCode(uint32_t aKeyCode,
michael@0 106 bool aIsCapsLock,
michael@0 107 uint32_t* aUnshiftedCharCode,
michael@0 108 uint32_t* aShiftedCharCode)
michael@0 109 {
michael@0 110 MOZ_ASSERT(aUnshiftedCharCode && aShiftedCharCode,
michael@0 111 "aUnshiftedCharCode and aShiftedCharCode must not be NULL");
michael@0 112
michael@0 113 if (aKeyCode >= NS_VK_A && aKeyCode <= NS_VK_Z) {
michael@0 114 *aUnshiftedCharCode = *aShiftedCharCode = aKeyCode;
michael@0 115 if (aIsCapsLock) {
michael@0 116 *aShiftedCharCode += 0x20;
michael@0 117 } else {
michael@0 118 *aUnshiftedCharCode += 0x20;
michael@0 119 }
michael@0 120 return;
michael@0 121 }
michael@0 122
michael@0 123 // aShiftedCharCode must be zero for non-alphabet keys.
michael@0 124 *aShiftedCharCode = 0;
michael@0 125
michael@0 126 if (aKeyCode >= NS_VK_0 && aKeyCode <= NS_VK_9) {
michael@0 127 *aUnshiftedCharCode = aKeyCode;
michael@0 128 return;
michael@0 129 }
michael@0 130
michael@0 131 switch (aKeyCode) {
michael@0 132 case NS_VK_SPACE: *aUnshiftedCharCode = ' '; break;
michael@0 133 case NS_VK_COLON: *aUnshiftedCharCode = ':'; break;
michael@0 134 case NS_VK_SEMICOLON: *aUnshiftedCharCode = ';'; break;
michael@0 135 case NS_VK_LESS_THAN: *aUnshiftedCharCode = '<'; break;
michael@0 136 case NS_VK_EQUALS: *aUnshiftedCharCode = '='; break;
michael@0 137 case NS_VK_GREATER_THAN: *aUnshiftedCharCode = '>'; break;
michael@0 138 case NS_VK_QUESTION_MARK: *aUnshiftedCharCode = '?'; break;
michael@0 139 case NS_VK_AT: *aUnshiftedCharCode = '@'; break;
michael@0 140 case NS_VK_CIRCUMFLEX: *aUnshiftedCharCode = '^'; break;
michael@0 141 case NS_VK_EXCLAMATION: *aUnshiftedCharCode = '!'; break;
michael@0 142 case NS_VK_DOUBLE_QUOTE: *aUnshiftedCharCode = '"'; break;
michael@0 143 case NS_VK_HASH: *aUnshiftedCharCode = '#'; break;
michael@0 144 case NS_VK_DOLLAR: *aUnshiftedCharCode = '$'; break;
michael@0 145 case NS_VK_PERCENT: *aUnshiftedCharCode = '%'; break;
michael@0 146 case NS_VK_AMPERSAND: *aUnshiftedCharCode = '&'; break;
michael@0 147 case NS_VK_UNDERSCORE: *aUnshiftedCharCode = '_'; break;
michael@0 148 case NS_VK_OPEN_PAREN: *aUnshiftedCharCode = '('; break;
michael@0 149 case NS_VK_CLOSE_PAREN: *aUnshiftedCharCode = ')'; break;
michael@0 150 case NS_VK_ASTERISK: *aUnshiftedCharCode = '*'; break;
michael@0 151 case NS_VK_PLUS: *aUnshiftedCharCode = '+'; break;
michael@0 152 case NS_VK_PIPE: *aUnshiftedCharCode = '|'; break;
michael@0 153 case NS_VK_HYPHEN_MINUS: *aUnshiftedCharCode = '-'; break;
michael@0 154 case NS_VK_OPEN_CURLY_BRACKET: *aUnshiftedCharCode = '{'; break;
michael@0 155 case NS_VK_CLOSE_CURLY_BRACKET: *aUnshiftedCharCode = '}'; break;
michael@0 156 case NS_VK_TILDE: *aUnshiftedCharCode = '~'; break;
michael@0 157 case NS_VK_COMMA: *aUnshiftedCharCode = ','; break;
michael@0 158 case NS_VK_PERIOD: *aUnshiftedCharCode = '.'; break;
michael@0 159 case NS_VK_SLASH: *aUnshiftedCharCode = '/'; break;
michael@0 160 case NS_VK_BACK_QUOTE: *aUnshiftedCharCode = '`'; break;
michael@0 161 case NS_VK_OPEN_BRACKET: *aUnshiftedCharCode = '['; break;
michael@0 162 case NS_VK_BACK_SLASH: *aUnshiftedCharCode = '\\'; break;
michael@0 163 case NS_VK_CLOSE_BRACKET: *aUnshiftedCharCode = ']'; break;
michael@0 164 case NS_VK_QUOTE: *aUnshiftedCharCode = '\''; break;
michael@0 165 default: *aUnshiftedCharCode = 0; break;
michael@0 166 }
michael@0 167 }
michael@0 168
michael@0 169 // static
michael@0 170 KeyNameIndex
michael@0 171 WidgetUtils::GetDeadKeyNameIndex(char16_t aChar)
michael@0 172 {
michael@0 173 switch (aChar) {
michael@0 174 case '`':
michael@0 175 case 0x02CB: // MODIFIER LETTER GRAVE ACCENT
michael@0 176 case 0x0300: // COMBINING GRAVE ACCENT
michael@0 177 return KEY_NAME_INDEX_DeadGrave;
michael@0 178 case '\'':
michael@0 179 case 0x00B4: // ACUTE ACCENT
michael@0 180 case 0x02B9: // MODIFIER LETTER PRIME
michael@0 181 case 0x02CA: // MODIFIER LETTER ACUTE ACCENT
michael@0 182 case 0x0301: // COMBINING ACUTE ACCENT
michael@0 183 case 0x0384: // GREEK TONOS
michael@0 184 return KEY_NAME_INDEX_DeadAcute;
michael@0 185 case '^':
michael@0 186 case 0x02C6: // MODIFIER LETTER CIRCUMFLEX ACCENT
michael@0 187 case 0x0302: // COMBINING CIRCUMFLEX ACCENT
michael@0 188 return KEY_NAME_INDEX_DeadCircumflex;
michael@0 189 case '~':
michael@0 190 case 0x02DC: // SMALL TILDE
michael@0 191 case 0x0303: // COMBINING TILDE
michael@0 192 return KEY_NAME_INDEX_DeadTilde;
michael@0 193 case 0x00AF: // MACRON
michael@0 194 case 0x02C9: // MODIFIER LETTER MACRON
michael@0 195 case 0x0304: // COMBINING MACRON
michael@0 196 return KEY_NAME_INDEX_DeadMacron;
michael@0 197 case 0x02D8: // BRAVE
michael@0 198 case 0xA67C: // COMBINING CYRILLIC KAVYKA
michael@0 199 case 0x0306: // COMBINING BRAVE
michael@0 200 return KEY_NAME_INDEX_DeadBreve;
michael@0 201 case 0x02D9: // DOT ABOVE
michael@0 202 case 0x0307: // COMBINING DOT ABOVE
michael@0 203 return KEY_NAME_INDEX_DeadAboveDot;
michael@0 204 case 0x00A8: // DIAERESIS
michael@0 205 case 0x0308: // COMBINING DIAERESIS
michael@0 206 return KEY_NAME_INDEX_DeadUmlaut;
michael@0 207 case 0x00B0: // DEGREE SIGN
michael@0 208 case 0x02DA: // RING ABOVE
michael@0 209 case 0x030A: // COMBINING RING ABOVE
michael@0 210 return KEY_NAME_INDEX_DeadAboveRing;
michael@0 211 case '"':
michael@0 212 case 0x02BA: // MODIFIER LETTER DOUBLE PRIME
michael@0 213 case 0x02DD: // DOUBLE ACUTE ACCENT
michael@0 214 case 0x030B: // COMBINING DOUBLE ACUTE ACCENT
michael@0 215 return KEY_NAME_INDEX_DeadDoubleacute;
michael@0 216 case 0x02C7: // CARON
michael@0 217 case 0x030C: // COMBINING CARON
michael@0 218 return KEY_NAME_INDEX_DeadCaron;
michael@0 219 case 0x00B8: // CEDILLA
michael@0 220 case 0x0327: // COMBINING CEDILLA
michael@0 221 return KEY_NAME_INDEX_DeadCedilla;
michael@0 222 case 0x02DB: // OGONEK
michael@0 223 case 0x0328: // COMBINING OGONEK
michael@0 224 return KEY_NAME_INDEX_DeadOgonek;
michael@0 225 case 0x0345: // COMBINING GREEK YPOGEGRAMMENI
michael@0 226 case 0x037A: // GREEK YPOGEGRAMMENI
michael@0 227 case 0x0399: // GREEK CAPITAL LETTER IOTA
michael@0 228 return KEY_NAME_INDEX_DeadIota;
michael@0 229 case 0x3099: // COMBINING KATAKANA-HIRAGANA VOICED SOUND MARK
michael@0 230 case 0x309B: // KATAKANA-HIRAGANA VOICED SOUND MARK
michael@0 231 return KEY_NAME_INDEX_DeadVoicedSound;
michael@0 232 case 0x309A: // COMBINING KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
michael@0 233 case 0x309C: // KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
michael@0 234 return KEY_NAME_INDEX_DeadSemivoicedSound;
michael@0 235 default:
michael@0 236 return KEY_NAME_INDEX_Unidentified;
michael@0 237 }
michael@0 238 }
michael@0 239
michael@0 240 } // namespace widget
michael@0 241 } // namespace mozilla

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