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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/base/test/ui_controls.h" | |
| 6 | |
| 7 #include <gdk/gdkkeysyms.h> | |
| 8 #include <gtk/gtk.h> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/message_loop/message_loop.h" | |
| 13 #include "ui/base/gtk/event_synthesis_gtk.h" | |
| 14 #include "ui/base/gtk/gtk_screen_util.h" | |
| 15 #include "ui/gfx/rect.h" | |
| 16 | |
| 17 namespace { | |
| 18 bool g_ui_controls_enabled = false; | |
| 19 | |
| 20 // static | |
| 21 guint32 XTimeNow() { | |
| 22 struct timespec ts; | |
| 23 clock_gettime(CLOCK_MONOTONIC, &ts); | |
| 24 return ts.tv_sec * 1000 + ts.tv_nsec / 1000000; | |
| 25 } | |
| 26 | |
| 27 class EventWaiter : public base::MessageLoopForUI::Observer { | |
| 28 public: | |
| 29 EventWaiter(const base::Closure& task, GdkEventType type, int count) | |
| 30 : task_(task), | |
| 31 type_(type), | |
| 32 count_(count) { | |
| 33 base::MessageLoopForUI::current()->AddObserver(this); | |
| 34 } | |
| 35 | |
| 36 virtual ~EventWaiter() { | |
| 37 base::MessageLoopForUI::current()->RemoveObserver(this); | |
| 38 } | |
| 39 | |
| 40 // MessageLoop::Observer implementation: | |
| 41 virtual void WillProcessEvent(GdkEvent* event) OVERRIDE { | |
| 42 if ((event->type == type_) && (--count_ == 0)) { | |
| 43 // At the time we're invoked the event has not actually been processed. | |
| 44 // Use PostTask to make sure the event has been processed before | |
| 45 // notifying. | |
| 46 // NOTE: if processing a message results in running a nested message | |
| 47 // loop, then DidProcessEvent isn't immediately sent. As such, we do | |
| 48 // the processing in WillProcessEvent rather than DidProcessEvent. | |
| 49 base::MessageLoop::current()->PostTask(FROM_HERE, task_); | |
| 50 delete this; | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 virtual void DidProcessEvent(GdkEvent* event) OVERRIDE { | |
| 55 // No-op. | |
| 56 } | |
| 57 | |
| 58 private: | |
| 59 base::Closure task_; | |
| 60 GdkEventType type_; | |
| 61 // The number of events of this type to wait for. | |
| 62 int count_; | |
| 63 }; | |
| 64 | |
| 65 void FakeAMouseMotionEvent(gint x, gint y) { | |
| 66 GdkEvent* event = gdk_event_new(GDK_MOTION_NOTIFY); | |
| 67 | |
| 68 event->motion.send_event = false; | |
| 69 event->motion.time = XTimeNow(); | |
| 70 | |
| 71 GtkWidget* grab_widget = gtk_grab_get_current(); | |
| 72 if (grab_widget) { | |
| 73 // If there is a grab, we need to target all events at it regardless of | |
| 74 // what widget the mouse is over. | |
| 75 event->motion.window = gtk_widget_get_window(grab_widget); | |
| 76 } else { | |
| 77 event->motion.window = gdk_window_at_pointer(&x, &y); | |
| 78 } | |
| 79 g_object_ref(event->motion.window); | |
| 80 gint window_x, window_y; | |
| 81 gdk_window_get_origin(event->motion.window, &window_x, &window_y); | |
| 82 event->motion.x = x - window_x; | |
| 83 event->motion.y = y - window_y; | |
| 84 event->motion.x_root = x; | |
| 85 event->motion.y_root = y; | |
| 86 | |
| 87 event->motion.device = gdk_device_get_core_pointer(); | |
| 88 event->type = GDK_MOTION_NOTIFY; | |
| 89 | |
| 90 gdk_event_put(event); | |
| 91 gdk_event_free(event); | |
| 92 } | |
| 93 | |
| 94 } // namespace | |
| 95 | |
| 96 namespace ui_controls { | |
| 97 | |
| 98 void EnableUIControls() { | |
| 99 g_ui_controls_enabled = true; | |
| 100 } | |
| 101 | |
| 102 bool SendKeyPress(gfx::NativeWindow window, | |
| 103 ui::KeyboardCode key, | |
| 104 bool control, | |
| 105 bool shift, | |
| 106 bool alt, | |
| 107 bool command) { | |
| 108 CHECK(g_ui_controls_enabled); | |
| 109 DCHECK(!command); // No command key on Linux | |
| 110 GdkWindow* event_window = NULL; | |
| 111 GtkWidget* grab_widget = gtk_grab_get_current(); | |
| 112 if (grab_widget) { | |
| 113 // If there is a grab, send all events to the grabbed widget. | |
| 114 event_window = gtk_widget_get_window(grab_widget); | |
| 115 } else if (window) { | |
| 116 event_window = gtk_widget_get_window(GTK_WIDGET(window)); | |
| 117 } else { | |
| 118 // No target was specified. Send the events to the active toplevel. | |
| 119 GList* windows = gtk_window_list_toplevels(); | |
| 120 for (GList* element = windows; element; element = g_list_next(element)) { | |
| 121 GtkWindow* this_window = GTK_WINDOW(element->data); | |
| 122 if (gtk_window_is_active(this_window)) { | |
| 123 event_window = gtk_widget_get_window(GTK_WIDGET(this_window)); | |
| 124 break; | |
| 125 } | |
| 126 } | |
| 127 g_list_free(windows); | |
| 128 } | |
| 129 if (!event_window) { | |
| 130 NOTREACHED() << "Window not specified and none is active"; | |
| 131 return false; | |
| 132 } | |
| 133 | |
| 134 std::vector<GdkEvent*> events; | |
| 135 ui::SynthesizeKeyPressEvents(event_window, key, control, shift, alt, &events); | |
| 136 for (std::vector<GdkEvent*>::iterator iter = events.begin(); | |
| 137 iter != events.end(); ++iter) { | |
| 138 gdk_event_put(*iter); | |
| 139 // gdk_event_put appends a copy of the event. | |
| 140 gdk_event_free(*iter); | |
| 141 } | |
| 142 | |
| 143 return true; | |
| 144 } | |
| 145 | |
| 146 bool SendKeyPressNotifyWhenDone(gfx::NativeWindow window, | |
| 147 ui::KeyboardCode key, | |
| 148 bool control, | |
| 149 bool shift, | |
| 150 bool alt, | |
| 151 bool command, | |
| 152 const base::Closure& task) { | |
| 153 CHECK(g_ui_controls_enabled); | |
| 154 DCHECK(!command); // No command key on Linux | |
| 155 int release_count = 1; | |
| 156 if (control) | |
| 157 release_count++; | |
| 158 if (shift) | |
| 159 release_count++; | |
| 160 if (alt) | |
| 161 release_count++; | |
| 162 // This object will delete itself after running |task|. | |
| 163 new EventWaiter(task, GDK_KEY_RELEASE, release_count); | |
| 164 return SendKeyPress(window, key, control, shift, alt, command); | |
| 165 } | |
| 166 | |
| 167 bool SendMouseMove(long x, long y) { | |
| 168 CHECK(g_ui_controls_enabled); | |
| 169 gdk_display_warp_pointer(gdk_display_get_default(), gdk_screen_get_default(), | |
| 170 x, y); | |
| 171 // Sometimes gdk_display_warp_pointer fails to send back any indication of | |
| 172 // the move, even though it succesfully moves the server cursor. We fake it in | |
| 173 // order to get drags to work. | |
| 174 FakeAMouseMotionEvent(x, y); | |
| 175 return true; | |
| 176 } | |
| 177 | |
| 178 bool SendMouseMoveNotifyWhenDone(long x, long y, const base::Closure& task) { | |
| 179 CHECK(g_ui_controls_enabled); | |
| 180 bool rv = SendMouseMove(x, y); | |
| 181 new EventWaiter(task, GDK_MOTION_NOTIFY, 1); | |
| 182 return rv; | |
| 183 } | |
| 184 | |
| 185 bool SendMouseEvents(MouseButton type, int state) { | |
| 186 CHECK(g_ui_controls_enabled); | |
| 187 GdkEvent* event = gdk_event_new(GDK_BUTTON_PRESS); | |
| 188 | |
| 189 event->button.send_event = false; | |
| 190 event->button.time = XTimeNow(); | |
| 191 | |
| 192 gint x, y; | |
| 193 GtkWidget* grab_widget = gtk_grab_get_current(); | |
| 194 if (grab_widget) { | |
| 195 // If there is a grab, we need to target all events at it regardless of | |
| 196 // what widget the mouse is over. | |
| 197 event->button.window = gtk_widget_get_window(grab_widget); | |
| 198 gdk_window_get_pointer(event->button.window, &x, &y, NULL); | |
| 199 } else { | |
| 200 event->button.window = gdk_window_at_pointer(&x, &y); | |
| 201 CHECK(event->button.window); | |
| 202 } | |
| 203 | |
| 204 g_object_ref(event->button.window); | |
| 205 event->button.x = x; | |
| 206 event->button.y = y; | |
| 207 gint origin_x, origin_y; | |
| 208 gdk_window_get_origin(event->button.window, &origin_x, &origin_y); | |
| 209 event->button.x_root = x + origin_x; | |
| 210 event->button.y_root = y + origin_y; | |
| 211 | |
| 212 event->button.axes = NULL; | |
| 213 GdkModifierType modifier; | |
| 214 gdk_window_get_pointer(event->button.window, NULL, NULL, &modifier); | |
| 215 event->button.state = modifier; | |
| 216 event->button.button = type == LEFT ? 1 : (type == MIDDLE ? 2 : 3); | |
| 217 event->button.device = gdk_device_get_core_pointer(); | |
| 218 | |
| 219 event->button.type = GDK_BUTTON_PRESS; | |
| 220 if (state & DOWN) | |
| 221 gdk_event_put(event); | |
| 222 | |
| 223 // Also send a release event. | |
| 224 GdkEvent* release_event = gdk_event_copy(event); | |
| 225 release_event->button.type = GDK_BUTTON_RELEASE; | |
| 226 release_event->button.time++; | |
| 227 if (state & UP) | |
| 228 gdk_event_put(release_event); | |
| 229 | |
| 230 gdk_event_free(event); | |
| 231 gdk_event_free(release_event); | |
| 232 | |
| 233 return false; | |
| 234 } | |
| 235 | |
| 236 bool SendMouseEventsNotifyWhenDone(MouseButton type, | |
| 237 int state, | |
| 238 const base::Closure& task) { | |
| 239 CHECK(g_ui_controls_enabled); | |
| 240 bool rv = SendMouseEvents(type, state); | |
| 241 GdkEventType wait_type; | |
| 242 if (state & UP) { | |
| 243 wait_type = GDK_BUTTON_RELEASE; | |
| 244 } else { | |
| 245 if (type == LEFT) | |
| 246 wait_type = GDK_BUTTON_PRESS; | |
| 247 else if (type == MIDDLE) | |
| 248 wait_type = GDK_2BUTTON_PRESS; | |
| 249 else | |
| 250 wait_type = GDK_3BUTTON_PRESS; | |
| 251 } | |
| 252 new EventWaiter(task, wait_type, 1); | |
| 253 return rv; | |
| 254 } | |
| 255 | |
| 256 bool SendMouseClick(MouseButton type) { | |
| 257 CHECK(g_ui_controls_enabled); | |
| 258 return SendMouseEvents(type, UP | DOWN); | |
| 259 } | |
| 260 | |
| 261 } // namespace ui_controls | |
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Chromium Code Reviews
Issue 231733005:
Delete the GTK+ port of Chrome. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src