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