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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "webkit/glue/webinputevent.h"
#include "KeyboardCodes.h"
#include "KeyCodeConversion.h"
#include "webkit/glue/event_conversion.h"
// This header is out of alphabetical order, but event_conversion.h pulls
// in more webkit headers that redefine LOG so I need to undef afterwards.
#undef LOG
#include "base/logging.h"
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtkversion.h>
namespace {
double GdkEventTimeToWebEventTime(guint32 time) {
// Convert from time in ms to time in sec.
return time / 1000.0;
}
int GdkStateToWebEventModifiers(guint state) {
int modifiers = 0;
if (state & GDK_SHIFT_MASK)
modifiers |= WebInputEvent::SHIFT_KEY;
if (state & GDK_CONTROL_MASK)
modifiers |= WebInputEvent::CTRL_KEY;
if (state & GDK_MOD1_MASK)
modifiers |= WebInputEvent::ALT_KEY;
#if GTK_CHECK_VERSION(2,10,0)
if (state & GDK_META_MASK)
modifiers |= WebInputEvent::META_KEY;
#endif
return modifiers;
}
} // namespace
WebMouseEvent::WebMouseEvent(const GdkEventButton* event) {
timestamp_sec = GdkEventTimeToWebEventTime(event->time);
modifiers = GdkStateToWebEventModifiers(event->state);
x = static_cast<int>(event->x);
y = static_cast<int>(event->y);
global_x = static_cast<int>(event->x_root);
global_y = static_cast<int>(event->y_root);
switch (event->type) {
case GDK_BUTTON_PRESS:
type = MOUSE_DOWN;
break;
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
type = MOUSE_DOUBLE_CLICK;
break;
case GDK_BUTTON_RELEASE:
type = MOUSE_UP;
break;
default:
ASSERT_NOT_REACHED();
};
button = BUTTON_NONE;
if (event->button == 1) {
button = BUTTON_LEFT;
} else if (event->button == 2) {
button = BUTTON_MIDDLE;
} else if (event->button == 3) {
button = BUTTON_RIGHT;
}
}
WebMouseEvent::WebMouseEvent(const GdkEventMotion* event) {
timestamp_sec = GdkEventTimeToWebEventTime(event->time);
modifiers = GdkStateToWebEventModifiers(event->state);
x = static_cast<int>(event->x);
y = static_cast<int>(event->y);
global_x = static_cast<int>(event->x_root);
global_y = static_cast<int>(event->y_root);
switch (event->type) {
case GDK_MOTION_NOTIFY:
type = MOUSE_MOVE;
break;
default:
ASSERT_NOT_REACHED();
}
button = BUTTON_NONE;
if (event->state & GDK_BUTTON1_MASK) {
button = BUTTON_LEFT;
} else if (event->state & GDK_BUTTON2_MASK) {
button = BUTTON_MIDDLE;
} else if (event->state & GDK_BUTTON3_MASK) {
button = BUTTON_RIGHT;
}
}
WebMouseWheelEvent::WebMouseWheelEvent(const GdkEventScroll* event) {
timestamp_sec = GdkEventTimeToWebEventTime(event->time);
modifiers = GdkStateToWebEventModifiers(event->state);
x = static_cast<int>(event->x);
y = static_cast<int>(event->y);
global_x = static_cast<int>(event->x_root);
global_y = static_cast<int>(event->y_root);
type = MOUSE_WHEEL;
// TODO(tc): Figure out what the right value for this is.
static const int kWheelDelta = 1;
delta_x = 0;
delta_y = 0;
switch (event->direction) {
case GDK_SCROLL_UP:
delta_y = kWheelDelta;
break;
case GDK_SCROLL_DOWN:
delta_y = -kWheelDelta;
break;
case GDK_SCROLL_LEFT:
delta_x = -kWheelDelta;
break;
case GDK_SCROLL_RIGHT:
delta_x = kWheelDelta;
break;
default:
break;
}
}
WebKeyboardEvent::WebKeyboardEvent(const GdkEventKey* event) {
modifiers = GdkStateToWebEventModifiers(event->state);
// GDK only exposes key press and release events. By contrast,
// WebKeyboardEvent matches Windows and wants key down/up events along with a
// separate CHAR event.
// We require the caller to simulate the CHAR event manually. See
// test_shell's webwidget_host for an example.
switch (event->type) {
case GDK_KEY_RELEASE:
type = KEY_UP;
break;
case GDK_KEY_PRESS:
type = KEY_DOWN;
break;
default:
NOTREACHED();
break;
}
// The key code tells us which physical key was pressed (for example, the
// A key went down or up). It does not determine whether A should be lower
// or upper case. This is what text does, which should be the keyval.
key_code = WebCore::windowsKeyCodeForKeyEvent(event->keyval);
switch (event->keyval) {
// We need to treat the enter key as a key press of character \r. This
// is apparently just how webkit handles it and what it expects.
case GDK_ISO_Enter:
case GDK_KP_Enter:
case GDK_Return:
text = '\r';
break;
default:
// This should set text to 0 when it's not a real character.
text = gdk_keyval_to_unicode(event->keyval);
break;
}
// TODO(tc): Do we need to set IS_AUTO_REPEAT or IS_KEYPAD?
}
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