PlatformKeyboardEventGtk.cpp [plain text]
#include "config.h"
#include "PlatformKeyboardEvent.h"
#include "GtkVersioning.h"
#include "NotImplemented.h"
#include "TextEncoding.h"
#include "WindowsKeyboardCodes.h"
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <wtf/CurrentTime.h>
namespace WebCore {
String PlatformKeyboardEvent::keyIdentifierForGdkKeyCode(unsigned 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";
case GDK_End:
return "End";
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:
case GDK_Print:
return "PrintScreen";
case GDK_Right:
return "Right";
case GDK_Select:
return "Select";
case GDK_Up:
return "Up";
case GDK_Delete:
return "U+007F";
case GDK_BackSpace:
return "U+0008";
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)));
}
}
int PlatformKeyboardEvent::windowsKeyCodeForGdkKeyCode(unsigned keycode)
{
switch (keycode) {
case GDK_KP_0:
return VK_NUMPAD0; case GDK_KP_1:
return VK_NUMPAD1; case GDK_KP_2:
return VK_NUMPAD2; case GDK_KP_3:
return VK_NUMPAD3; case GDK_KP_4:
return VK_NUMPAD4; case GDK_KP_5:
return VK_NUMPAD5; case GDK_KP_6:
return VK_NUMPAD6; case GDK_KP_7:
return VK_NUMPAD7; case GDK_KP_8:
return VK_NUMPAD8; case GDK_KP_9:
return VK_NUMPAD9; case GDK_KP_Multiply:
return VK_MULTIPLY; case GDK_KP_Add:
return VK_ADD; case GDK_KP_Subtract:
return VK_SUBTRACT; case GDK_KP_Decimal:
return VK_DECIMAL; case GDK_KP_Divide:
return VK_DIVIDE;
case GDK_KP_Page_Up:
return VK_PRIOR; case GDK_KP_Page_Down:
return VK_NEXT; case GDK_KP_End:
return VK_END; case GDK_KP_Home:
return VK_HOME; case GDK_KP_Left:
return VK_LEFT; case GDK_KP_Up:
return VK_UP; case GDK_KP_Right:
return VK_RIGHT; case GDK_KP_Down:
return VK_DOWN;
case GDK_BackSpace:
return VK_BACK; case GDK_ISO_Left_Tab:
case GDK_3270_BackTab:
case GDK_Tab:
return VK_TAB; case GDK_Clear:
return VK_CLEAR; case GDK_ISO_Enter:
case GDK_KP_Enter:
case GDK_Return:
return VK_RETURN; case GDK_Shift_L:
case GDK_Shift_R:
return VK_SHIFT; case GDK_Control_L:
case GDK_Control_R:
return VK_CONTROL; case GDK_Menu:
return VK_APPS; case GDK_Alt_L:
case GDK_Alt_R:
return VK_MENU;
case GDK_Pause:
return VK_PAUSE; case GDK_Caps_Lock:
return VK_CAPITAL; case GDK_Kana_Lock:
case GDK_Kana_Shift:
return VK_KANA; case GDK_Hangul:
return VK_HANGUL; case GDK_Hangul_Hanja:
return VK_HANJA; case GDK_Kanji:
return VK_KANJI; case GDK_Escape:
return VK_ESCAPE; case GDK_space:
return VK_SPACE; case GDK_Page_Up:
return VK_PRIOR; case GDK_Page_Down:
return VK_NEXT; case GDK_End:
return VK_END; case GDK_Home:
return VK_HOME; case GDK_Left:
return VK_LEFT; case GDK_Up:
return VK_UP; case GDK_Right:
return VK_RIGHT; case GDK_Down:
return VK_DOWN; case GDK_Select:
return VK_SELECT; case GDK_Print:
return VK_SNAPSHOT; case GDK_Execute:
return VK_EXECUTE; case GDK_Insert:
case GDK_KP_Insert:
return VK_INSERT; case GDK_Delete:
case GDK_KP_Delete:
return VK_DELETE; case GDK_Help:
return VK_HELP; case GDK_0:
case GDK_parenright:
return VK_0; case GDK_1:
case GDK_exclam:
return VK_1; case GDK_2:
case GDK_at:
return VK_2; case GDK_3:
case GDK_numbersign:
return VK_3; case GDK_4:
case GDK_dollar: return VK_4;
case GDK_5:
case GDK_percent:
return VK_5; case GDK_6:
case GDK_asciicircum:
return VK_6; case GDK_7:
case GDK_ampersand:
return VK_7; case GDK_8:
case GDK_asterisk:
return VK_8; case GDK_9:
case GDK_parenleft:
return VK_9; case GDK_a:
case GDK_A:
return VK_A; case GDK_b:
case GDK_B:
return VK_B; case GDK_c:
case GDK_C:
return VK_C; case GDK_d:
case GDK_D:
return VK_D; case GDK_e:
case GDK_E:
return VK_E; case GDK_f:
case GDK_F:
return VK_F; case GDK_g:
case GDK_G:
return VK_G; case GDK_h:
case GDK_H:
return VK_H; case GDK_i:
case GDK_I:
return VK_I; case GDK_j:
case GDK_J:
return VK_J; case GDK_k:
case GDK_K:
return VK_K; case GDK_l:
case GDK_L:
return VK_L; case GDK_m:
case GDK_M:
return VK_M; case GDK_n:
case GDK_N:
return VK_N; case GDK_o:
case GDK_O:
return VK_O; case GDK_p:
case GDK_P:
return VK_P; case GDK_q:
case GDK_Q:
return VK_Q; case GDK_r:
case GDK_R:
return VK_R; case GDK_s:
case GDK_S:
return VK_S; case GDK_t:
case GDK_T:
return VK_T; case GDK_u:
case GDK_U:
return VK_U; case GDK_v:
case GDK_V:
return VK_V; case GDK_w:
case GDK_W:
return VK_W; case GDK_x:
case GDK_X:
return VK_X; case GDK_y:
case GDK_Y:
return VK_Y; case GDK_z:
case GDK_Z:
return VK_Z; case GDK_Meta_L:
return VK_LWIN; case GDK_Meta_R:
return VK_RWIN;
case GDK_Num_Lock:
return VK_NUMLOCK;
case GDK_Scroll_Lock:
return VK_SCROLL;
case GDK_semicolon:
case GDK_colon:
return VK_OEM_1; case GDK_plus:
case GDK_equal:
return VK_OEM_PLUS; case GDK_comma:
case GDK_less:
return VK_OEM_COMMA; case GDK_minus:
case GDK_underscore:
return VK_OEM_MINUS; case GDK_period:
case GDK_greater:
return VK_OEM_PERIOD; case GDK_slash:
case GDK_question:
return VK_OEM_2; case GDK_asciitilde:
case GDK_quoteleft:
return VK_OEM_3; case GDK_bracketleft:
case GDK_braceleft:
return VK_OEM_4; case GDK_backslash:
case GDK_bar:
return VK_OEM_5; case GDK_bracketright:
case GDK_braceright:
return VK_OEM_6; case GDK_quoteright:
case GDK_quotedbl:
return VK_OEM_7; case GDK_F1:
case GDK_F2:
case GDK_F3:
case GDK_F4:
case GDK_F5:
case GDK_F6:
case GDK_F7:
case GDK_F8:
case GDK_F9:
case GDK_F10:
case GDK_F11:
case GDK_F12:
case GDK_F13:
case GDK_F14:
case GDK_F15:
case GDK_F16:
case GDK_F17:
case GDK_F18:
case GDK_F19:
case GDK_F20:
case GDK_F21:
case GDK_F22:
case GDK_F23:
case GDK_F24:
return VK_F1 + (keycode - GDK_F1);
case GDK_KEY_VoidSymbol:
return VK_PROCESSKEY;
default:
return 0;
}
}
String PlatformKeyboardEvent::singleCharacterString(unsigned val)
{
switch (val) {
case GDK_ISO_Enter:
case GDK_KP_Enter:
case GDK_Return:
return String("\r");
case GDK_BackSpace:
return String("\x8");
case GDK_Tab:
return String("\t");
default:
gunichar c = gdk_keyval_to_unicode(val);
glong nwc;
gunichar2* uchar16 = g_ucs4_to_utf16(&c, 1, 0, &nwc, 0);
String retVal;
if (uchar16)
retVal = String((UChar*)uchar16, nwc);
else
retVal = String();
g_free(uchar16);
return retVal;
}
}
static PlatformEvent::Type eventTypeForGdkKeyEvent(GdkEventKey* event)
{
return event->type == GDK_KEY_RELEASE ? PlatformEvent::KeyUp : PlatformEvent::KeyDown;
}
static PlatformEvent::Modifiers modifiersForGdkKeyEvent(GdkEventKey* event)
{
unsigned int modifiers = 0;
if (event->state & GDK_SHIFT_MASK || event->keyval == GDK_3270_BackTab)
modifiers |= PlatformEvent::ShiftKey;
if (event->state & GDK_CONTROL_MASK)
modifiers |= PlatformEvent::CtrlKey;
if (event->state & GDK_MOD1_MASK)
modifiers |= PlatformEvent::AltKey;
if (event->state & GDK_META_MASK)
modifiers |= PlatformEvent::MetaKey;
return static_cast<PlatformEvent::Modifiers>(modifiers);
}
PlatformKeyboardEvent::PlatformKeyboardEvent(GdkEventKey* event, const CompositionResults& compositionResults)
: PlatformEvent(eventTypeForGdkKeyEvent(event), modifiersForGdkKeyEvent(event), currentTime())
, m_text(compositionResults.simpleString.length() ? compositionResults.simpleString : singleCharacterString(event->keyval))
, m_unmodifiedText(m_text)
, m_keyIdentifier(keyIdentifierForGdkKeyCode(event->keyval))
, m_windowsVirtualKeyCode(windowsKeyCodeForGdkKeyCode(event->keyval))
, m_nativeVirtualKeyCode(event->keyval)
, m_macCharCode(0)
, m_autoRepeat(false)
, m_isKeypad(event->keyval >= GDK_KP_Space && event->keyval <= GDK_KP_9)
, m_isSystemKey(false)
, m_gdkEventKey(event)
, m_compositionResults(compositionResults)
{
if (compositionResults.compositionUpdated())
m_windowsVirtualKeyCode = VK_PROCESSKEY;
}
void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool backwardCompatibilityMode)
{
ASSERT(m_type == KeyDown);
m_type = type;
if (backwardCompatibilityMode)
return;
if (type == PlatformEvent::RawKeyDown) {
m_text = String();
m_unmodifiedText = String();
} else if (type == PlatformEvent::Char && m_compositionResults.compositionUpdated()) {
m_text = String();
m_unmodifiedText = String();
} else {
m_keyIdentifier = String();
m_windowsVirtualKeyCode = 0;
}
}
bool PlatformKeyboardEvent::currentCapsLockState()
{
return gdk_keymap_get_caps_lock_state(gdk_keymap_get_default());
}
void PlatformKeyboardEvent::getCurrentModifierState(bool& shiftKey, bool& ctrlKey, bool& altKey, bool& metaKey)
{
GdkModifierType state;
gtk_get_current_event_state(&state);
shiftKey = state & GDK_SHIFT_MASK;
ctrlKey = state & GDK_CONTROL_MASK;
altKey = state & GDK_MOD1_MASK;
metaKey = state & GDK_META_MASK;
}
}