external/webkit r30707

1 files changed, 540 insertions, 0 deletions

diff --git a/WebCore/platform/gtk/KeyEventGtk.cpp b/WebCore/platform/gtk/KeyEventGtk.cpp
new file mode 100644
index 0000000..dea0502
--- /dev/null
+++ b/WebCore/platform/gtk/KeyEventGtk.cpp
@@ -0,0 +1,540 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
+ * Copyright (C) 2007 Holger Hans Peter Freyther
+ * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "PlatformKeyboardEvent.h"
+
+#include "KeyboardCodes.h"
+#include "NotImplemented.h"
+#include "TextEncoding.h"
+
+#include <gdk/gdk.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtkversion.h>
+
+namespace WebCore {
+
+// FIXME: This is incomplete.  We should change this to mirror
+// more like what Firefox does, and generate these switch statements
+// at build time.
+static String keyIdentifierForGdkKeyCode(guint keyCode)
+{
+    switch (keyCode) {
+        case GDK_Menu:
+        case GDK_Alt_L:
+        case GDK_Alt_R:
+            return "Alt";
+        case GDK_Clear:
+            return "Clear";
+        case GDK_Down:
+            return "Down";
+            // "End"
+        case GDK_End:
+            return "End";
+            // "Enter"
+        case GDK_ISO_Enter:
+        case GDK_KP_Enter:
+        case GDK_Return:
+            return "Enter";
+        case GDK_Execute:
+            return "Execute";
+        case GDK_F1:
+            return "F1";
+        case GDK_F2:
+            return "F2";
+        case GDK_F3:
+            return "F3";
+        case GDK_F4:
+            return "F4";
+        case GDK_F5:
+            return "F5";
+        case GDK_F6:
+            return "F6";
+        case GDK_F7:
+            return "F7";
+        case GDK_F8:
+            return "F8";
+        case GDK_F9:
+            return "F9";
+        case GDK_F10:
+            return "F10";
+        case GDK_F11:
+            return "F11";
+        case GDK_F12:
+            return "F12";
+        case GDK_F13:
+            return "F13";
+        case GDK_F14:
+            return "F14";
+        case GDK_F15:
+            return "F15";
+        case GDK_F16:
+            return "F16";
+        case GDK_F17:
+            return "F17";
+        case GDK_F18:
+            return "F18";
+        case GDK_F19:
+            return "F19";
+        case GDK_F20:
+            return "F20";
+        case GDK_F21:
+            return "F21";
+        case GDK_F22:
+            return "F22";
+        case GDK_F23:
+            return "F23";
+        case GDK_F24:
+            return "F24";
+        case GDK_Help:
+            return "Help";
+        case GDK_Home:
+            return "Home";
+        case GDK_Insert:
+            return "Insert";
+        case GDK_Left:
+            return "Left";
+        case GDK_Page_Down:
+            return "PageDown";
+        case GDK_Page_Up:
+            return "PageUp";
+        case GDK_Pause:
+            return "Pause";
+        case GDK_3270_PrintScreen:
+            return "PrintScreen";
+        case GDK_Right:
+            return "Right";
+        case GDK_Select:
+            return "Select";
+        case GDK_Up:
+            return "Up";
+            // Standard says that DEL becomes U+007F.
+        case GDK_Delete:
+            return "U+007F";
+        case GDK_ISO_Left_Tab:
+        case GDK_3270_BackTab:
+        case GDK_Tab:
+            return "U+0009";
+        default:
+            return String::format("U+%04X", gdk_keyval_to_unicode(gdk_keyval_to_upper(keyCode)));
+    }
+}
+
+static int windowsKeyCodeForKeyEvent(unsigned int keycode)
+{
+    switch (keycode) {
+        case GDK_KP_0:
+            return VK_NUMPAD0;// (60) Numeric keypad 0 key
+        case GDK_KP_1:
+            return VK_NUMPAD1;// (61) Numeric keypad 1 key
+        case GDK_KP_2:
+            return  VK_NUMPAD2; // (62) Numeric keypad 2 key
+        case GDK_KP_3:
+            return VK_NUMPAD3; // (63) Numeric keypad 3 key
+        case GDK_KP_4:
+            return VK_NUMPAD4; // (64) Numeric keypad 4 key
+        case GDK_KP_5:
+            return VK_NUMPAD5; //(65) Numeric keypad 5 key
+        case GDK_KP_6:
+            return VK_NUMPAD6; // (66) Numeric keypad 6 key
+        case GDK_KP_7:
+            return VK_NUMPAD7; // (67) Numeric keypad 7 key
+        case GDK_KP_8:
+            return VK_NUMPAD8; // (68) Numeric keypad 8 key
+        case GDK_KP_9:
+            return VK_NUMPAD9; // (69) Numeric keypad 9 key
+        case GDK_KP_Multiply:
+            return VK_MULTIPLY; // (6A) Multiply key
+        case GDK_KP_Add:
+            return VK_ADD; // (6B) Add key
+        case GDK_KP_Subtract:
+            return VK_SUBTRACT; // (6D) Subtract key
+        case GDK_KP_Decimal:
+            return VK_DECIMAL; // (6E) Decimal key
+        case GDK_KP_Divide:
+            return VK_DIVIDE; // (6F) Divide key
+
+        case GDK_BackSpace:
+            return VK_BACK; // (08) BACKSPACE key
+        case GDK_ISO_Left_Tab:
+        case GDK_3270_BackTab:
+        case GDK_Tab:
+            return VK_TAB; // (09) TAB key
+        case GDK_Clear:
+            return VK_CLEAR; // (0C) CLEAR key
+        case GDK_Return:
+            return VK_RETURN; //(0D) Return key
+        case GDK_Shift_L:
+        case GDK_Shift_R:
+            return VK_SHIFT; // (10) SHIFT key
+        case GDK_Control_L:
+        case GDK_Control_R:
+            return VK_CONTROL; // (11) CTRL key
+        case GDK_Menu:
+        case GDK_Alt_L:
+        case GDK_Alt_R:
+            return VK_MENU; // (12) ALT key
+
+        case GDK_Pause:
+            return VK_PAUSE; // (13) PAUSE key
+        case GDK_Caps_Lock:
+            return VK_CAPITAL; // (14) CAPS LOCK key
+        case GDK_Kana_Lock:
+        case GDK_Kana_Shift:
+            return VK_KANA; // (15) Input Method Editor (IME) Kana mode
+        case GDK_Hangul:
+            return VK_HANGUL; // VK_HANGUL (15) IME Hangul mode
+            // VK_JUNJA (17) IME Junja mode
+            // VK_FINAL (18) IME final mode
+        case GDK_Hangul_Hanja:
+            return VK_HANJA; // (19) IME Hanja mode
+        case GDK_Kanji:
+            return VK_KANJI; // (19) IME Kanji mode
+        case GDK_Escape:
+            return VK_ESCAPE; // (1B) ESC key
+            // VK_CONVERT (1C) IME convert
+            // VK_NONCONVERT (1D) IME nonconvert
+            // VK_ACCEPT (1E) IME accept
+            // VK_MODECHANGE (1F) IME mode change request
+        case GDK_space:
+            return VK_SPACE; // (20) SPACEBAR
+        case GDK_Page_Up:
+            return VK_PRIOR; // (21) PAGE UP key
+        case GDK_Page_Down:
+            return VK_NEXT; // (22) PAGE DOWN key
+        case GDK_End:
+            return VK_END; // (23) END key
+        case GDK_Home:
+            return VK_HOME; // (24) HOME key
+        case GDK_Left:
+            return VK_LEFT; // (25) LEFT ARROW key
+        case GDK_Up:
+            return VK_UP; // (26) UP ARROW key
+        case GDK_Right:
+            return VK_RIGHT; // (27) RIGHT ARROW key
+        case GDK_Down:
+            return VK_DOWN; // (28) DOWN ARROW key
+        case GDK_Select:
+            return VK_SELECT; // (29) SELECT key
+        case GDK_Print:
+            return VK_PRINT; // (2A) PRINT key
+        case GDK_Execute:
+            return VK_EXECUTE;// (2B) EXECUTE key
+            //dunno on this
+            //case GDK_PrintScreen:
+            //      return VK_SNAPSHOT; // (2C) PRINT SCREEN key
+        case GDK_Insert:
+            return VK_INSERT; // (2D) INS key
+        case GDK_Delete:
+            return VK_DELETE; // (2E) DEL key
+        case GDK_Help:
+            return VK_HELP; // (2F) HELP key
+        case GDK_0:
+        case GDK_parenleft:
+            return VK_0;    //  (30) 0) key
+        case GDK_1:
+            return VK_1; //  (31) 1 ! key
+        case GDK_2:
+        case GDK_at:
+            return VK_2; //  (32) 2 & key
+        case GDK_3:
+        case GDK_numbersign:
+            return VK_3; //case '3': case '#';
+        case GDK_4:
+        case GDK_dollar: //  (34) 4 key '$';
+            return VK_4;
+        case GDK_5:
+        case GDK_percent:
+            return VK_5; //  (35) 5 key  '%'
+        case GDK_6:
+        case GDK_asciicircum:
+            return VK_6; //  (36) 6 key  '^'
+        case GDK_7:
+        case GDK_ampersand:
+            return VK_7; //  (37) 7 key  case '&'
+        case GDK_8:
+        case GDK_asterisk:
+            return VK_8; //  (38) 8 key  '*'
+        case GDK_9:
+        case GDK_parenright:
+            return VK_9; //  (39) 9 key '('
+        case GDK_a:
+        case GDK_A:
+            return VK_A; //  (41) A key case 'a': case 'A': return 0x41;
+        case GDK_b:
+        case GDK_B:
+            return VK_B; //  (42) B key case 'b': case 'B': return 0x42;
+        case GDK_c:
+        case GDK_C:
+            return VK_C; //  (43) C key case 'c': case 'C': return 0x43;
+        case GDK_d:
+        case GDK_D:
+            return VK_D; //  (44) D key case 'd': case 'D': return 0x44;
+        case GDK_e:
+        case GDK_E:
+            return VK_E; //  (45) E key case 'e': case 'E': return 0x45;
+        case GDK_f:
+        case GDK_F:
+            return VK_F; //  (46) F key case 'f': case 'F': return 0x46;
+        case GDK_g:
+        case GDK_G:
+            return VK_G; //  (47) G key case 'g': case 'G': return 0x47;
+        case GDK_h:
+        case GDK_H:
+            return VK_H; //  (48) H key case 'h': case 'H': return 0x48;
+        case GDK_i:
+        case GDK_I:
+            return VK_I; //  (49) I key case 'i': case 'I': return 0x49;
+        case GDK_j:
+        case GDK_J:
+            return VK_J; //  (4A) J key case 'j': case 'J': return 0x4A;
+        case GDK_k:
+        case GDK_K:
+            return VK_K; //  (4B) K key case 'k': case 'K': return 0x4B;
+        case GDK_l:
+        case GDK_L:
+            return VK_L; //  (4C) L key case 'l': case 'L': return 0x4C;
+        case GDK_m:
+        case GDK_M:
+            return VK_M; //  (4D) M key case 'm': case 'M': return 0x4D;
+        case GDK_n:
+        case GDK_N:
+            return VK_N; //  (4E) N key case 'n': case 'N': return 0x4E;
+        case GDK_o:
+        case GDK_O:
+            return VK_O; //  (4F) O key case 'o': case 'O': return 0x4F;
+        case GDK_p:
+        case GDK_P:
+            return VK_P; //  (50) P key case 'p': case 'P': return 0x50;
+        case GDK_q:
+        case GDK_Q:
+            return VK_Q; //  (51) Q key case 'q': case 'Q': return 0x51;
+        case GDK_r:
+        case GDK_R:
+            return VK_R; //  (52) R key case 'r': case 'R': return 0x52;
+        case GDK_s:
+        case GDK_S:
+            return VK_S; //  (53) S key case 's': case 'S': return 0x53;
+        case GDK_t:
+        case GDK_T:
+            return VK_T; //  (54) T key case 't': case 'T': return 0x54;
+        case GDK_u:
+        case GDK_U:
+            return VK_U; //  (55) U key case 'u': case 'U': return 0x55;
+        case GDK_v:
+        case GDK_V:
+            return VK_V; //  (56) V key case 'v': case 'V': return 0x56;
+        case GDK_w:
+        case GDK_W:
+            return VK_W; //  (57) W key case 'w': case 'W': return 0x57;
+        case GDK_x:
+        case GDK_X:
+            return VK_X; //  (58) X key case 'x': case 'X': return 0x58;
+        case GDK_y:
+        case GDK_Y:
+            return VK_Y; //  (59) Y key case 'y': case 'Y': return 0x59;
+        case GDK_z:
+        case GDK_Z:
+            return VK_Z; //  (5A) Z key case 'z': case 'Z': return 0x5A;
+        case GDK_Meta_L:
+            return VK_LWIN; // (5B) Left Windows key (Microsoft Natural keyboard)
+        case GDK_Meta_R:
+            return VK_RWIN; // (5C) Right Windows key (Natural keyboard)
+            // VK_APPS (5D) Applications key (Natural keyboard)
+            // VK_SLEEP (5F) Computer Sleep key
+            // VK_SEPARATOR (6C) Separator key
+            // VK_SUBTRACT (6D) Subtract key
+            // VK_DECIMAL (6E) Decimal key
+            // VK_DIVIDE (6F) Divide key
+            // handled by key code above
+
+        case GDK_Num_Lock:
+            return VK_NUMLOCK; // (90) NUM LOCK key
+
+        case GDK_Scroll_Lock:
+            return VK_SCROLL; // (91) SCROLL LOCK key
+
+            // VK_LSHIFT (A0) Left SHIFT key
+            // VK_RSHIFT (A1) Right SHIFT key
+            // VK_LCONTROL (A2) Left CONTROL key
+            // VK_RCONTROL (A3) Right CONTROL key
+            // VK_LMENU (A4) Left MENU key
+            // VK_RMENU (A5) Right MENU key
+            // VK_BROWSER_BACK (A6) Windows 2000/XP: Browser Back key
+            // VK_BROWSER_FORWARD (A7) Windows 2000/XP: Browser Forward key
+            // VK_BROWSER_REFRESH (A8) Windows 2000/XP: Browser Refresh key
+            // VK_BROWSER_STOP (A9) Windows 2000/XP: Browser Stop key
+            // VK_BROWSER_SEARCH (AA) Windows 2000/XP: Browser Search key
+            // VK_BROWSER_FAVORITES (AB) Windows 2000/XP: Browser Favorites key
+            // VK_BROWSER_HOME (AC) Windows 2000/XP: Browser Start and Home key
+            // VK_VOLUME_MUTE (AD) Windows 2000/XP: Volume Mute key
+            // VK_VOLUME_DOWN (AE) Windows 2000/XP: Volume Down key
+            // VK_VOLUME_UP (AF) Windows 2000/XP: Volume Up key
+            // VK_MEDIA_NEXT_TRACK (B0) Windows 2000/XP: Next Track key
+            // VK_MEDIA_PREV_TRACK (B1) Windows 2000/XP: Previous Track key
+            // VK_MEDIA_STOP (B2) Windows 2000/XP: Stop Media key
+            // VK_MEDIA_PLAY_PAUSE (B3) Windows 2000/XP: Play/Pause Media key
+            // VK_LAUNCH_MAIL (B4) Windows 2000/XP: Start Mail key
+            // VK_LAUNCH_MEDIA_SELECT (B5) Windows 2000/XP: Select Media key
+            // VK_LAUNCH_APP1 (B6) Windows 2000/XP: Start Application 1 key
+            // VK_LAUNCH_APP2 (B7) Windows 2000/XP: Start Application 2 key
+
+            // VK_OEM_1 (BA) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the ';:' key
+        case GDK_semicolon:
+        case GDK_colon:
+            return VK_OEM_1; //case ';': case ':': return 0xBA;
+            // VK_OEM_PLUS (BB) Windows 2000/XP: For any country/region, the '+' key
+        case GDK_plus:
+        case GDK_equal:
+            return VK_OEM_PLUS; //case '=': case '+': return 0xBB;
+            // VK_OEM_COMMA (BC) Windows 2000/XP: For any country/region, the ',' key
+        case GDK_comma:
+        case GDK_less:
+            return VK_OEM_COMMA; //case ',': case '<': return 0xBC;
+            // VK_OEM_MINUS (BD) Windows 2000/XP: For any country/region, the '-' key
+        case GDK_minus:
+        case GDK_underscore:
+            return VK_OEM_MINUS; //case '-': case '_': return 0xBD;
+            // VK_OEM_PERIOD (BE) Windows 2000/XP: For any country/region, the '.' key
+        case GDK_period:
+        case GDK_greater:
+            return VK_OEM_PERIOD; //case '.': case '>': return 0xBE;
+            // VK_OEM_2 (BF) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '/?' key
+        case GDK_slash:
+        case GDK_question:
+            return VK_OEM_2; //case '/': case '?': return 0xBF;
+            // VK_OEM_3 (C0) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '`~' key
+        case GDK_asciitilde:
+        case GDK_quoteleft:
+            return VK_OEM_3; //case '`': case '~': return 0xC0;
+            // VK_OEM_4 (DB) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '[{' key
+        case GDK_bracketleft:
+        case GDK_braceleft:
+            return VK_OEM_4; //case '[': case '{': return 0xDB;
+            // VK_OEM_5 (DC) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the '\|' key
+        case GDK_backslash:
+        case GDK_bar:
+            return VK_OEM_5; //case '\\': case '|': return 0xDC;
+            // VK_OEM_6 (DD) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the ']}' key
+        case GDK_bracketright:
+        case GDK_braceright:
+            return VK_OEM_6; // case ']': case '}': return 0xDD;
+            // VK_OEM_7 (DE) Used for miscellaneous characters; it can vary by keyboard. Windows 2000/XP: For the US standard keyboard, the 'single-quote/double-quote' key
+        case GDK_quoteright:
+        case GDK_quotedbl:
+            return VK_OEM_7; // case '\'': case '"': return 0xDE;
+            // VK_OEM_8 (DF) Used for miscellaneous characters; it can vary by keyboard.
+            // VK_OEM_102 (E2) Windows 2000/XP: Either the angle bracket key or the backslash key on the RT 102-key keyboard
+            // VK_PROCESSKEY (E5) Windows 95/98/Me, Windows NT 4.0, Windows 2000/XP: IME PROCESS key
+            // VK_PACKET (E7) Windows 2000/XP: Used to pass Unicode characters as if they were keystrokes. The VK_PACKET key is the low word of a 32-bit Virtual Key value used for non-keyboard input methods. For more information, see Remark in KEYBDINPUT,SendInput, WM_KEYDOWN, and WM_KEYUP
+            // VK_ATTN (F6) Attn key
+            // VK_CRSEL (F7) CrSel key
+            // VK_EXSEL (F8) ExSel key
+            // VK_EREOF (F9) Erase EOF key
+            // VK_PLAY (FA) Play key
+            // VK_ZOOM (FB) Zoom key
+            // VK_NONAME (FC) Reserved for future use
+            // VK_PA1 (FD) PA1 key
+            // VK_OEM_CLEAR (FE) Clear key
+        default:
+            return 0;
+    }
+
+}
+
+static String singleCharacterString(guint val)
+{
+    glong nwc;
+    String retVal;
+    gunichar c = gdk_keyval_to_unicode(val);
+    gunichar2* uchar16 = g_ucs4_to_utf16(&c, 1, 0, &nwc, 0);
+
+    if (uchar16)
+        retVal = String((UChar*)uchar16, nwc);
+    else
+        retVal = String();
+
+    g_free(uchar16);
+
+    return retVal;
+}
+
+// Keep this in sync with the other platform event constructors
+// TODO: m_gdkEventKey should be refcounted
+PlatformKeyboardEvent::PlatformKeyboardEvent(GdkEventKey* event)
+    : m_type((event->type == GDK_KEY_RELEASE) ? KeyUp : KeyDown)
+    , m_text(singleCharacterString(event->keyval))
+    , m_unmodifiedText(singleCharacterString(event->keyval))
+    , m_keyIdentifier(keyIdentifierForGdkKeyCode(event->keyval))
+    , m_autoRepeat(false)
+    , m_windowsVirtualKeyCode(windowsKeyCodeForKeyEvent(event->keyval))
+    , m_isKeypad(event->keyval >= GDK_KP_Space && event->keyval <= GDK_KP_9)
+    , m_shiftKey((event->state & GDK_SHIFT_MASK) || (event->keyval == GDK_3270_BackTab))
+    , m_ctrlKey(event->state & GDK_CONTROL_MASK)
+    , m_altKey(event->state & GDK_MOD1_MASK)
+#if GTK_CHECK_VERSION(2,10,0)
+    , m_metaKey(event->state & GDK_META_MASK)
+#else
+    // GDK_MOD2_MASK doesn't always mean meta so we can't use it
+    , m_metaKey(false)
+#endif
+    , m_gdkEventKey(event)
+{
+}
+
+void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool backwardCompatibilityMode)
+{
+    // Can only change type from KeyDown to RawKeyDown or Char, as we lack information for other conversions.
+    ASSERT(m_type == KeyDown);
+    m_type = type;
+
+    if (backwardCompatibilityMode)
+        return;
+
+    if (type == RawKeyDown) {
+        m_text = String();
+        m_unmodifiedText = String();
+    } else {
+        m_keyIdentifier = String();
+        m_windowsVirtualKeyCode = 0;
+    }
+}
+
+bool PlatformKeyboardEvent::currentCapsLockState()
+{
+    notImplemented();
+    return false;
+}
+
+GdkEventKey* PlatformKeyboardEvent::gdkEventKey() const
+{
+    return m_gdkEventKey;
+}
+
+}