src/ui/events/x/events_x_unittest.cc

   1 // Copyright (c) 2012 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 <cstring>
   6
   7 #include <X11/extensions/XInput2.h>
   8 #include <X11/Xlib.h>
   9
  10 // Generically-named #defines from Xlib that conflict with symbols in GTest.
  11 #undef Bool
  12 #undef None
  13
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "ui/events/event.h"
  16 #include "ui/events/event_constants.h"
  17 #include "ui/events/event_utils.h"
  18 #include "ui/events/test/events_test_utils_x11.h"
  19 #include "ui/gfx/point.h"
  20
  21 namespace ui {
  22
  23 namespace {
  24
  25 // Initializes the passed-in Xlib event.
  26 void InitButtonEvent(XEvent* event,
  27                      bool is_press,
  28                      const gfx::Point& location,
  29                      int button,
  30                      int state) {
  31   memset(event, 0, sizeof(*event));
  32
  33   // We don't bother setting fields that the event code doesn't use, such as
  34   // x_root/y_root and window/root/subwindow.
  35   XButtonEvent* button_event = &(event->xbutton);
  36   button_event->type = is_press ? ButtonPress : ButtonRelease;
  37   button_event->x = location.x();
  38   button_event->y = location.y();
  39   button_event->button = button;
  40   button_event->state = state;
  41 }
  42
  43 }  // namespace
  44
  45 TEST(EventsXTest, ButtonEvents) {
  46   XEvent event;
  47   gfx::Point location(5, 10);
  48   gfx::Vector2d offset;
  49
  50   InitButtonEvent(&event, true, location, 1, 0);
  51   EXPECT_EQ(ui::ET_MOUSE_PRESSED, ui::EventTypeFromNative(&event));
  52   EXPECT_EQ(ui::EF_LEFT_MOUSE_BUTTON, ui::EventFlagsFromNative(&event));
  53   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  54
  55   InitButtonEvent(&event, true, location, 2, Button1Mask | ShiftMask);
  56   EXPECT_EQ(ui::ET_MOUSE_PRESSED, ui::EventTypeFromNative(&event));
  57   EXPECT_EQ(ui::EF_LEFT_MOUSE_BUTTON | ui::EF_MIDDLE_MOUSE_BUTTON |
  58                 ui::EF_SHIFT_DOWN,
  59             ui::EventFlagsFromNative(&event));
  60   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  61
  62   InitButtonEvent(&event, false, location, 3, 0);
  63   EXPECT_EQ(ui::ET_MOUSE_RELEASED, ui::EventTypeFromNative(&event));
  64   EXPECT_EQ(ui::EF_RIGHT_MOUSE_BUTTON, ui::EventFlagsFromNative(&event));
  65   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  66
  67   // Scroll up.
  68   InitButtonEvent(&event, true, location, 4, 0);
  69   EXPECT_EQ(ui::ET_MOUSEWHEEL, ui::EventTypeFromNative(&event));
  70   EXPECT_EQ(0, ui::EventFlagsFromNative(&event));
  71   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  72   offset = ui::GetMouseWheelOffset(&event);
  73   EXPECT_GT(offset.y(), 0);
  74   EXPECT_EQ(0, offset.x());
  75
  76   // Scroll down.
  77   InitButtonEvent(&event, true, location, 5, 0);
  78   EXPECT_EQ(ui::ET_MOUSEWHEEL, ui::EventTypeFromNative(&event));
  79   EXPECT_EQ(0, ui::EventFlagsFromNative(&event));
  80   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  81   offset = ui::GetMouseWheelOffset(&event);
  82   EXPECT_LT(offset.y(), 0);
  83   EXPECT_EQ(0, offset.x());
  84
  85   // Scroll left.
  86   InitButtonEvent(&event, true, location, 6, 0);
  87   EXPECT_EQ(ui::ET_MOUSEWHEEL, ui::EventTypeFromNative(&event));
  88   EXPECT_EQ(0, ui::EventFlagsFromNative(&event));
  89   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  90   offset = ui::GetMouseWheelOffset(&event);
  91   EXPECT_EQ(0, offset.y());
  92   EXPECT_GT(offset.x(), 0);
  93
  94   // Scroll right.
  95   InitButtonEvent(&event, true, location, 7, 0);
  96   EXPECT_EQ(ui::ET_MOUSEWHEEL, ui::EventTypeFromNative(&event));
  97   EXPECT_EQ(0, ui::EventFlagsFromNative(&event));
  98   EXPECT_EQ(location, ui::EventLocationFromNative(&event));
  99   offset = ui::GetMouseWheelOffset(&event);
 100   EXPECT_EQ(0, offset.y());
 101   EXPECT_LT(offset.x(), 0);
 102
 103   // TODO(derat): Test XInput code.
 104 }
 105
 106 TEST(EventsXTest, AvoidExtraEventsOnWheelRelease) {
 107   XEvent event;
 108   gfx::Point location(5, 10);
 109
 110   InitButtonEvent(&event, true, location, 4, 0);
 111   EXPECT_EQ(ui::ET_MOUSEWHEEL, ui::EventTypeFromNative(&event));
 112
 113   // We should return ET_UNKNOWN for the release event instead of returning
 114   // ET_MOUSEWHEEL; otherwise we'll scroll twice for each scrollwheel step.
 115   InitButtonEvent(&event, false, location, 4, 0);
 116   EXPECT_EQ(ui::ET_UNKNOWN, ui::EventTypeFromNative(&event));
 117
 118   // TODO(derat): Test XInput code.
 119 }
 120
 121 TEST(EventsXTest, EnterLeaveEvent) {
 122   XEvent event;
 123   event.xcrossing.type = EnterNotify;
 124   event.xcrossing.x = 10;
 125   event.xcrossing.y = 20;
 126   event.xcrossing.x_root = 110;
 127   event.xcrossing.y_root = 120;
 128
 129   // Mouse enter events are converted to mouse move events to be consistent with
 130   // the way views handle mouse enter. See comments for EnterNotify case in
 131   // ui::EventTypeFromNative for more details.
 132   EXPECT_EQ(ui::ET_MOUSE_MOVED, ui::EventTypeFromNative(&event));
 133   EXPECT_EQ("10,20", ui::EventLocationFromNative(&event).ToString());
 134   EXPECT_EQ("110,120", ui::EventSystemLocationFromNative(&event).ToString());
 135
 136   event.xcrossing.type = LeaveNotify;
 137   event.xcrossing.x = 30;
 138   event.xcrossing.y = 40;
 139   event.xcrossing.x_root = 230;
 140   event.xcrossing.y_root = 240;
 141   EXPECT_EQ(ui::ET_MOUSE_EXITED, ui::EventTypeFromNative(&event));
 142   EXPECT_EQ("30,40", ui::EventLocationFromNative(&event).ToString());
 143   EXPECT_EQ("230,240", ui::EventSystemLocationFromNative(&event).ToString());
 144 }
 145
 146 TEST(EventsXTest, ClickCount) {
 147   XEvent event;
 148   gfx::Point location(5, 10);
 149
 150   for (int i = 1; i <= 3; ++i) {
 151     InitButtonEvent(&event, true, location, 1, 0);
 152     {
 153       MouseEvent mouseev(&event);
 154       EXPECT_EQ(ui::ET_MOUSE_PRESSED, mouseev.type());
 155       EXPECT_EQ(i, mouseev.GetClickCount());
 156     }
 157
 158     InitButtonEvent(&event, false, location, 1, 0);
 159     {
 160       MouseEvent mouseev(&event);
 161       EXPECT_EQ(ui::ET_MOUSE_RELEASED, mouseev.type());
 162       EXPECT_EQ(i, mouseev.GetClickCount());
 163     }
 164   }
 165 }
 166
 167 #if defined(USE_XI2_MT)
 168 TEST(EventsXTest, TouchEventBasic) {
 169   std::vector<unsigned int> devices;
 170   devices.push_back(0);
 171   ui::SetUpTouchDevicesForTest(devices);
 172   std::vector<Valuator> valuators;
 173
 174   // Init touch begin with tracking id 5, touch id 0.
 175   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_MAJOR, 20));
 176   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_ORIENTATION, 0.3f));
 177   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_PRESSURE, 100));
 178   ui::ScopedXI2Event scoped_xevent;
 179   scoped_xevent.InitTouchEvent(
 180       0, XI_TouchBegin, 5, gfx::Point(10, 10), valuators);
 181   EXPECT_EQ(ui::ET_TOUCH_PRESSED, ui::EventTypeFromNative(scoped_xevent));
 182   EXPECT_EQ("10,10", ui::EventLocationFromNative(scoped_xevent).ToString());
 183   EXPECT_EQ(GetTouchId(scoped_xevent), 0);
 184   EXPECT_EQ(GetTouchRadiusX(scoped_xevent), 10);
 185   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.15f);
 186   EXPECT_FLOAT_EQ(GetTouchForce(scoped_xevent), 0.1f);
 187
 188   // Touch update, with new orientation info.
 189   valuators.clear();
 190   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_ORIENTATION, 0.5f));
 191   scoped_xevent.InitTouchEvent(
 192       0, XI_TouchUpdate, 5, gfx::Point(20, 20), valuators);
 193   EXPECT_EQ(ui::ET_TOUCH_MOVED, ui::EventTypeFromNative(scoped_xevent));
 194   EXPECT_EQ("20,20", ui::EventLocationFromNative(scoped_xevent).ToString());
 195   EXPECT_EQ(GetTouchId(scoped_xevent), 0);
 196   EXPECT_EQ(GetTouchRadiusX(scoped_xevent), 10);
 197   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.25f);
 198   EXPECT_FLOAT_EQ(GetTouchForce(scoped_xevent), 0.1f);
 199
 200   // Another touch with tracking id 6, touch id 1.
 201   valuators.clear();
 202   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_MAJOR, 100));
 203   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_ORIENTATION, 0.9f));
 204   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_PRESSURE, 500));
 205   scoped_xevent.InitTouchEvent(
 206       0, XI_TouchBegin, 6, gfx::Point(200, 200), valuators);
 207   EXPECT_EQ(ui::ET_TOUCH_PRESSED, ui::EventTypeFromNative(scoped_xevent));
 208   EXPECT_EQ("200,200", ui::EventLocationFromNative(scoped_xevent).ToString());
 209   EXPECT_EQ(GetTouchId(scoped_xevent), 1);
 210   EXPECT_EQ(GetTouchRadiusX(scoped_xevent), 50);
 211   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.45f);
 212   EXPECT_FLOAT_EQ(GetTouchForce(scoped_xevent), 0.5f);
 213
 214   // Touch with tracking id 5 should have old radius/angle value and new pressue
 215   // value.
 216   valuators.clear();
 217   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_PRESSURE, 50));
 218   scoped_xevent.InitTouchEvent(
 219       0, XI_TouchEnd, 5, gfx::Point(30, 30), valuators);
 220   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ui::EventTypeFromNative(scoped_xevent));
 221   EXPECT_EQ("30,30", ui::EventLocationFromNative(scoped_xevent).ToString());
 222   EXPECT_EQ(GetTouchId(scoped_xevent), 0);
 223   EXPECT_EQ(GetTouchRadiusX(scoped_xevent), 10);
 224   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.25f);
 225   EXPECT_FLOAT_EQ(GetTouchForce(scoped_xevent), 0.05f);
 226
 227   // Touch with tracking id 6 should have old angle/pressure value and new
 228   // radius value.
 229   valuators.clear();
 230   valuators.push_back(Valuator(DeviceDataManager::DT_TOUCH_MAJOR, 50));
 231   scoped_xevent.InitTouchEvent(
 232       0, XI_TouchEnd, 6, gfx::Point(200, 200), valuators);
 233   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ui::EventTypeFromNative(scoped_xevent));
 234   EXPECT_EQ("200,200", ui::EventLocationFromNative(scoped_xevent).ToString());
 235   EXPECT_EQ(GetTouchId(scoped_xevent), 1);
 236   EXPECT_EQ(GetTouchRadiusX(scoped_xevent), 25);
 237   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.45f);
 238   EXPECT_FLOAT_EQ(GetTouchForce(scoped_xevent), 0.5f);
 239 }
 240 #endif
 241 }  // namespace ui