1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved. 4 * Copyright (C) 2011 Igalia S.L. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 17 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 25 * THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include "config.h" 29#include "WebEventFactory.h" 30 31#include "GtkVersioning.h" 32#include "PlatformKeyboardEvent.h" 33#include "Scrollbar.h" 34#include "WindowsKeyboardCodes.h" 35#include <gdk/gdk.h> 36#include <gdk/gdkkeysyms.h> 37#include <wtf/ASCIICType.h> 38 39using namespace WebCore; 40 41namespace WebKit { 42 43static inline bool isGdkKeyCodeFromKeyPad(unsigned keyval) 44{ 45 return keyval >= GDK_KP_Space && keyval <= GDK_KP_9; 46} 47 48static inline WebEvent::Modifiers modifiersForEvent(const GdkEvent* event) 49{ 50 unsigned modifiers = 0; 51 GdkModifierType state; 52 53 ASSERT(gdk_event_get_state(event, &state)); 54 55 if (state & GDK_CONTROL_MASK) 56 modifiers |= WebEvent::ControlKey; 57 if (state & GDK_SHIFT_MASK) 58 modifiers |= WebEvent::ShiftKey; 59 if (state & GDK_MOD1_MASK) 60 modifiers |= WebEvent::AltKey; 61 if (state & GDK_META_MASK) 62 modifiers |= WebEvent::MetaKey; 63 64 return static_cast<WebEvent::Modifiers>(modifiers); 65} 66 67static inline WebMouseEvent::Button buttonForEvent(GdkEvent* event) 68{ 69 unsigned button = 0; 70 71 switch (event->type) { 72 case GDK_MOTION_NOTIFY: 73 button = WebMouseEvent::NoButton; 74 if (event->motion.state & GDK_BUTTON1_MASK) 75 button = WebMouseEvent::LeftButton; 76 else if (event->motion.state & GDK_BUTTON2_MASK) 77 button = WebMouseEvent::MiddleButton; 78 else if (event->motion.state & GDK_BUTTON3_MASK) 79 button = WebMouseEvent::RightButton; 80 break; 81 case GDK_BUTTON_PRESS: 82 case GDK_2BUTTON_PRESS: 83 case GDK_3BUTTON_PRESS: 84 case GDK_BUTTON_RELEASE: 85 if (event->button.button == 1) 86 button = WebMouseEvent::LeftButton; 87 else if (event->button.button == 2) 88 button = WebMouseEvent::MiddleButton; 89 else if (event->button.button == 3) 90 button = WebMouseEvent::RightButton; 91 break; 92 default: 93 ASSERT_NOT_REACHED(); 94 } 95 96 return static_cast<WebMouseEvent::Button>(button); 97} 98 99WebMouseEvent WebEventFactory::createWebMouseEvent(GdkEvent *event, int currentClickCount) 100{ 101 double x, y, xRoot, yRoot; 102 gdk_event_get_coords(event, &x, &y); 103 gdk_event_get_root_coords(event, &xRoot, &yRoot); 104 105 WebEvent::Type type = static_cast<WebEvent::Type>(0); 106 switch (event->type) { 107 case GDK_MOTION_NOTIFY: 108 type = WebEvent::MouseMove; 109 break; 110 case GDK_BUTTON_PRESS: 111 case GDK_2BUTTON_PRESS: 112 case GDK_3BUTTON_PRESS: 113 type = WebEvent::MouseDown; 114 break; 115 case GDK_BUTTON_RELEASE: 116 type = WebEvent::MouseUp; 117 break; 118 default : 119 ASSERT_NOT_REACHED(); 120 } 121 122 return WebMouseEvent(type, 123 buttonForEvent(event), 124 IntPoint(x, y), 125 IntPoint(xRoot, yRoot), 126 0 /* deltaX */, 127 0 /* deltaY */, 128 0 /* deltaZ */, 129 currentClickCount, 130 static_cast<WebEvent::Modifiers>(0), 131 gdk_event_get_time(event)); 132} 133 134WebWheelEvent WebEventFactory::createWebWheelEvent(GdkEventScroll* scrollEvent) 135{ 136 GdkEvent* event(reinterpret_cast<GdkEvent*>(scrollEvent)); 137 double x, y, xRoot, yRoot; 138 gdk_event_get_coords(event, &x, &y); 139 gdk_event_get_root_coords(event, &xRoot, &yRoot); 140 141 FloatSize wheelTicks; 142 switch (scrollEvent->direction) { 143 case GDK_SCROLL_UP: 144 wheelTicks = FloatSize(0, 1); 145 break; 146 case GDK_SCROLL_DOWN: 147 wheelTicks = FloatSize(0, -1); 148 break; 149 case GDK_SCROLL_LEFT: 150 wheelTicks = FloatSize(1, 0); 151 break; 152 case GDK_SCROLL_RIGHT: 153 wheelTicks = FloatSize(-1, 0); 154 break; 155 default: 156 ASSERT_NOT_REACHED(); 157 } 158 159 // FIXME: [GTK] Add a setting to change the pixels per line used for scrolling 160 // https://bugs.webkit.org/show_bug.cgi?id=54826 161 float step = static_cast<float>(Scrollbar::pixelsPerLineStep()); 162 FloatSize delta(wheelTicks.width() * step, wheelTicks.height() * step); 163 164 return WebWheelEvent(WebEvent::Wheel, 165 IntPoint(x, y), 166 IntPoint(xRoot, yRoot), 167 delta, 168 wheelTicks, 169 WebWheelEvent::ScrollByPixelWheelEvent, 170 modifiersForEvent(event), 171 gdk_event_get_time(event)); 172} 173 174WebKeyboardEvent WebEventFactory::createWebKeyboardEvent(const GdkEventKey* event) 175{ 176 return WebKeyboardEvent((event->type == GDK_KEY_RELEASE) ? WebEvent::KeyUp : WebEvent::KeyDown, 177 PlatformKeyboardEvent::singleCharacterString(event->keyval), 178 PlatformKeyboardEvent::singleCharacterString(event->keyval), 179 PlatformKeyboardEvent::keyIdentifierForGdkKeyCode(event->keyval), 180 PlatformKeyboardEvent::windowsKeyCodeForGdkKeyCode(event->keyval), 181 static_cast<int>(event->keyval), 182 0 /* macCharCode */, 183 false /* isAutoRepeat */, 184 isGdkKeyCodeFromKeyPad(event->keyval), 185 false /* isSystemKey */, 186 modifiersForEvent(reinterpret_cast<const GdkEvent*>(event)), 187 gdk_event_get_time(reinterpret_cast<const GdkEvent*>(event))); 188} 189 190} // namespace WebKit 191