diff options
Diffstat (limited to 'Source/WebKit2/Shared/gtk/WebEventFactory.cpp')
| -rw-r--r-- | Source/WebKit2/Shared/gtk/WebEventFactory.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/Source/WebKit2/Shared/gtk/WebEventFactory.cpp b/Source/WebKit2/Shared/gtk/WebEventFactory.cpp new file mode 100644 index 0000000..a9acbb3 --- /dev/null +++ b/Source/WebKit2/Shared/gtk/WebEventFactory.cpp @@ -0,0 +1,189 @@ +/* + * Copyright (C) 2010 Apple Inc. All rights reserved. + * Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved. + * Copyright (C) 2011 Igalia S.L. + * + * 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "WebEventFactory.h" + +#include "PlatformKeyboardEvent.h" +#include "Scrollbar.h" +#include "WindowsKeyboardCodes.h" +#include <gdk/gdk.h> +#include <gdk/gdkkeysyms.h> +#include <wtf/ASCIICType.h> + +using namespace WebCore; + +namespace WebKit { + +static inline bool isGdkKeyCodeFromKeyPad(unsigned keyval) +{ + return keyval >= GDK_KEY_KP_Space && keyval <= GDK_KEY_KP_9; +} + +static inline WebEvent::Modifiers modifiersForEvent(const GdkEvent* event) +{ + unsigned modifiers = 0; + GdkModifierType state; + + ASSERT(gdk_event_get_state(event, &state)); + + if (state & GDK_CONTROL_MASK) + modifiers |= WebEvent::ControlKey; + if (state & GDK_SHIFT_MASK) + modifiers |= WebEvent::ShiftKey; + if (state & GDK_MOD1_MASK) + modifiers |= WebEvent::AltKey; + if (state & GDK_META_MASK) + modifiers |= WebEvent::MetaKey; + + return static_cast<WebEvent::Modifiers>(modifiers); +} + +static inline WebMouseEvent::Button buttonForEvent(GdkEvent* event) +{ + unsigned button = 0; + + switch (event->type) { + case GDK_MOTION_NOTIFY: + button = WebMouseEvent::NoButton; + if (event->motion.state & GDK_BUTTON1_MASK) + button = WebMouseEvent::LeftButton; + else if (event->motion.state & GDK_BUTTON2_MASK) + button = WebMouseEvent::MiddleButton; + else if (event->motion.state & GDK_BUTTON3_MASK) + button = WebMouseEvent::RightButton; + break; + case GDK_BUTTON_PRESS: + case GDK_2BUTTON_PRESS: + case GDK_3BUTTON_PRESS: + case GDK_BUTTON_RELEASE: + if (event->button.button == 1) + button = WebMouseEvent::LeftButton; + else if (event->button.button == 2) + button = WebMouseEvent::MiddleButton; + else if (event->button.button == 3) + button = WebMouseEvent::RightButton; + break; + default: + ASSERT_NOT_REACHED(); + } + + return static_cast<WebMouseEvent::Button>(button); +} + +WebMouseEvent WebEventFactory::createWebMouseEvent(GdkEvent *event, int currentClickCount) +{ + double x, y, xRoot, yRoot; + gdk_event_get_coords(event, &x, &y); + gdk_event_get_root_coords(event, &xRoot, &yRoot); + + WebEvent::Type type = static_cast<WebEvent::Type>(0); + switch (event->type) { + case GDK_MOTION_NOTIFY: + type = WebEvent::MouseMove; + break; + case GDK_BUTTON_PRESS: + case GDK_2BUTTON_PRESS: + case GDK_3BUTTON_PRESS: + type = WebEvent::MouseDown; + break; + case GDK_BUTTON_RELEASE: + type = WebEvent::MouseUp; + break; + default : + ASSERT_NOT_REACHED(); + } + + return WebMouseEvent(type, + buttonForEvent(event), + IntPoint(x, y), + IntPoint(xRoot, yRoot), + 0 /* deltaX */, + 0 /* deltaY */, + 0 /* deltaZ */, + currentClickCount, + static_cast<WebEvent::Modifiers>(0), + gdk_event_get_time(event)); +} + +WebWheelEvent WebEventFactory::createWebWheelEvent(GdkEventScroll* scrollEvent) +{ + GdkEvent* event(reinterpret_cast<GdkEvent*>(scrollEvent)); + double x, y, xRoot, yRoot; + gdk_event_get_coords(event, &x, &y); + gdk_event_get_root_coords(event, &xRoot, &yRoot); + + FloatSize wheelTicks; + switch (scrollEvent->direction) { + case GDK_SCROLL_UP: + wheelTicks = FloatSize(0, 1); + break; + case GDK_SCROLL_DOWN: + wheelTicks = FloatSize(0, -1); + break; + case GDK_SCROLL_LEFT: + wheelTicks = FloatSize(1, 0); + break; + case GDK_SCROLL_RIGHT: + wheelTicks = FloatSize(-1, 0); + break; + default: + ASSERT_NOT_REACHED(); + } + + // FIXME: [GTK] Add a setting to change the pixels per line used for scrolling + // https://bugs.webkit.org/show_bug.cgi?id=54826 + float step = static_cast<float>(Scrollbar::pixelsPerLineStep()); + FloatSize delta(wheelTicks.width() * step, wheelTicks.height() * step); + + return WebWheelEvent(WebEvent::Wheel, + IntPoint(x, y), + IntPoint(xRoot, yRoot), + delta, + wheelTicks, + WebWheelEvent::ScrollByPixelWheelEvent, + modifiersForEvent(event), + gdk_event_get_time(event)); +} + +WebKeyboardEvent WebEventFactory::createWebKeyboardEvent(const GdkEventKey* event) +{ + return WebKeyboardEvent((event->type == GDK_KEY_RELEASE) ? WebEvent::KeyUp : WebEvent::KeyDown, + PlatformKeyboardEvent::singleCharacterString(event->keyval), + PlatformKeyboardEvent::singleCharacterString(event->keyval), + PlatformKeyboardEvent::keyIdentifierForGdkKeyCode(event->keyval), + PlatformKeyboardEvent::windowsKeyCodeForGdkKeyCode(event->keyval), + static_cast<int>(event->keyval), + 0 /* macCharCode */, + false /* isAutoRepeat */, + isGdkKeyCodeFromKeyPad(event->keyval), + false /* isSystemKey */, + modifiersForEvent(reinterpret_cast<const GdkEvent*>(event)), + gdk_event_get_time(reinterpret_cast<const GdkEvent*>(event))); +} + +} // namespace WebKit |