Scale Rect Origins Using the Specified HWND's Display

ui/display/win/screen_win_unittest.cc

 // Copyright 2015 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 "ui/display/win/screen_win.h"
 
 #include <windows.h>
 #include <inttypes.h>
 #include <stddef.h>
 
@@ skipping 949 matching lines @@
   gfx::Rect left_origin(0, 0, 50, 100);
   gfx::Rect left_middle(253, 495, 41, 52);
   EXPECT_EQ(left_origin, ScreenWin::ScreenToDIPRect(left_hwnd, left_origin));
   EXPECT_EQ(left_middle, ScreenWin::ScreenToDIPRect(left_hwnd, left_middle));
 
   HWND right_hwnd = GetRightFakeHwnd();
   gfx::Rect right_origin(1920, 0, 200, 300);
   gfx::Rect right_middle(2000, 496, 100, 200);
   EXPECT_EQ(right_origin, ScreenWin::ScreenToDIPRect(right_hwnd, right_origin));
   EXPECT_EQ(right_middle, ScreenWin::ScreenToDIPRect(right_hwnd, right_middle));
+
+  gfx::Rect right_origin_left(1900, 200, 100, 100);
+  EXPECT_EQ(right_origin_left,
+            ScreenWin::ScreenToDIPRect(right_hwnd, right_origin_left));
 }
 
 TEST_F(ScreenWinTestTwoDisplays1x, DIPToScreenRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   gfx::Rect left_origin(0, 0, 50, 100);
   gfx::Rect left_middle(253, 495, 41, 52);
   EXPECT_EQ(left_origin, ScreenWin::DIPToScreenRect(left_hwnd, left_origin));
   EXPECT_EQ(left_middle, ScreenWin::DIPToScreenRect(left_hwnd, left_middle));
 
   HWND right_hwnd = GetRightFakeHwnd();
   gfx::Rect right_origin(1920, 0, 200, 300);
   gfx::Rect right_middle(2000, 496, 100, 200);
   EXPECT_EQ(right_origin, ScreenWin::DIPToScreenRect(right_hwnd, right_origin));
   EXPECT_EQ(right_middle, ScreenWin::DIPToScreenRect(right_hwnd, right_middle));
+
+  gfx::Rect right_origin_left(1900, 200, 100, 100);
+  EXPECT_EQ(right_origin_left,
+            ScreenWin::DIPToScreenRect(right_hwnd, right_origin_left));
 }
 
 TEST_F(ScreenWinTestTwoDisplays1x, ClientToDIPRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   gfx::Rect origin(0, 0, 50, 100);
   gfx::Rect middle(253, 495, 41, 52);
   EXPECT_EQ(origin, ScreenWin::ClientToDIPRect(left_hwnd, origin));
   EXPECT_EQ(middle, ScreenWin::ClientToDIPRect(left_hwnd, middle));
 
   HWND right_hwnd = GetRightFakeHwnd();
@@ skipping 232 matching lines @@
   EXPECT_EQ(gfx::Rect(126, 248, 21, 26),
             ScreenWin::ScreenToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(960, 0, 100, 150),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(1920, 0, 200, 300)));
   EXPECT_EQ(gfx::Rect(1000, 248, 50, 100),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(2000, 496, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(950, 100, 50, 50),
+            ScreenWin::ScreenToDIPRect(right_hwnd,
+                                       gfx::Rect(1900, 200, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays2x, DIPToScreenRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 50, 100),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(0, 0, 25, 50)));
   EXPECT_EQ(gfx::Rect(252, 496, 42, 52),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(126, 248, 21, 26)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(1920, 0, 200, 300),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(960, 0, 100, 150)));
   EXPECT_EQ(gfx::Rect(2000, 496, 100, 200),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(1000, 248, 50, 100)));
+
+  EXPECT_EQ(gfx::Rect(1900, 200, 100, 100),
+            ScreenWin::DIPToScreenRect(right_hwnd,
+                                       gfx::Rect(950, 100, 50, 50)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays2x, ClientToDIPRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 25, 50),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(0, 0, 50, 100)));
   EXPECT_EQ(gfx::Rect(126, 248, 21, 26),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
@@ skipping 1074 matching lines @@
   EXPECT_EQ(gfx::Rect(253, 496, 41, 52),
             ScreenWin::ScreenToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(1920, 0, 100, 150),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(1920, 0, 200, 300)));
   EXPECT_EQ(gfx::Rect(1960, 248, 50, 100),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(2000, 496, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(1910, 100, 50, 50),
+            ScreenWin::ScreenToDIPRect(right_hwnd,
+                                       gfx::Rect(1900, 200, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays1x2x, DIPToScreenRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 50, 100),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(0, 0, 50, 100)));
   EXPECT_EQ(gfx::Rect(252, 496, 42, 52),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(252, 496, 42, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(1920, 0, 200, 300),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(1920, 0, 100, 150)));
   EXPECT_EQ(gfx::Rect(2000, 496, 100, 200),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(1960, 248, 50, 100)));
+
+  EXPECT_EQ(gfx::Rect(1900, 200, 100, 100),
+          ScreenWin::DIPToScreenRect(right_hwnd,
+                                     gfx::Rect(1910, 100, 50, 50)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays1x2x, ClientToDIPRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 50, 100),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(0, 0, 50, 100)));
   EXPECT_EQ(gfx::Rect(253, 496, 41, 52),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
@@ skipping 241 matching lines @@
   EXPECT_EQ(gfx::Rect(168, 330, 28, 36),
             ScreenWin::ScreenToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(534, -80, 200, 300),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(800, 120, 200, 300)));
   EXPECT_EQ(gfx::Rect(987, 296, 100, 200),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(1253, 496, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(514, 0, 100, 100),
+          ScreenWin::ScreenToDIPRect(right_hwnd,
+                                     gfx::Rect(780, 200, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays1_5x1x, DIPToScreenRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 51, 101),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(0, 0, 34, 67)));
   EXPECT_EQ(gfx::Rect(252, 495, 42, 54),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(168, 330, 28, 36)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(800, 120, 200, 300),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(534, -80, 200, 300)));
   EXPECT_EQ(gfx::Rect(1253, 496, 100, 200),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(987, 296, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(780, 200, 100, 100),
+          ScreenWin::DIPToScreenRect(right_hwnd,
+                                     gfx::Rect(514, 0, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays1_5x1x, ClientToDIPRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 34, 67),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(0, 0, 50, 100)));
   EXPECT_EQ(gfx::Rect(168, 330, 28, 36),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
@@ skipping 237 matching lines @@
   EXPECT_EQ(gfx::Rect(126, 248, 21, 26),
             ScreenWin::ScreenToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(960, 0, 200, 300),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(1920, 0, 200, 300)));
   EXPECT_EQ(gfx::Rect(1040, 496, 100, 200),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(2000, 496, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(940, 200, 100, 100),
+        ScreenWin::ScreenToDIPRect(right_hwnd,
+                                   gfx::Rect(1900, 200, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays2x1x, DIPToScreenRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 50, 100),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(0, 0, 25, 50)));
   EXPECT_EQ(gfx::Rect(252, 496, 42, 52),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(126, 248, 21, 26)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(1920, 0, 200, 300),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(960, 0, 200, 300)));
   EXPECT_EQ(gfx::Rect(2000, 496, 100, 200),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(1040, 496, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(1900, 200, 100, 100),
+        ScreenWin::DIPToScreenRect(right_hwnd,
+                                   gfx::Rect(940, 200, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays2x1x, ClientToDIPRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 25, 50),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(0, 0, 50, 100)));
   EXPECT_EQ(gfx::Rect(126, 248, 21, 26),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
@@ skipping 242 matching lines @@
   EXPECT_EQ(gfx::Rect(126, 248, 21, 26),
             ScreenWin::ScreenToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(3200, 0, 100, 150),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(6400, 0, 200, 300)));
   EXPECT_EQ(gfx::Rect(3500, 248, 50, 100),
             ScreenWin::ScreenToDIPRect(right_hwnd,
                                        gfx::Rect(7000, 496, 100, 200)));
+
+  EXPECT_EQ(gfx::Rect(3190, 100, 50, 50),
+      ScreenWin::ScreenToDIPRect(right_hwnd,
+                                 gfx::Rect(6380, 200, 100, 100)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays2x1xVirtualized, DIPToScreenRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 50, 100),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(0, 0, 25, 50)));
   EXPECT_EQ(gfx::Rect(252, 496, 42, 52),
             ScreenWin::DIPToScreenRect(left_hwnd, gfx::Rect(126, 248, 21, 26)));
 
   HWND right_hwnd = GetRightFakeHwnd();
   EXPECT_EQ(gfx::Rect(6400, 0, 200, 300),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(3200, 0, 100, 150)));
   EXPECT_EQ(gfx::Rect(7000, 496, 100, 200),
             ScreenWin::DIPToScreenRect(right_hwnd,
                                        gfx::Rect(3500, 248, 50, 100)));
+
+  EXPECT_EQ(gfx::Rect(6380, 200, 100, 100),
+      ScreenWin::DIPToScreenRect(right_hwnd,
+                                 gfx::Rect(3190, 100, 50, 50)));
 }
 
 TEST_F(ScreenWinTestTwoDisplays2x1xVirtualized, ClientToDIPRects) {
   HWND left_hwnd = GetLeftFakeHwnd();
   EXPECT_EQ(gfx::Rect(0, 0, 25, 50),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(0, 0, 50, 100)));
   EXPECT_EQ(gfx::Rect(126, 248, 21, 26),
             ScreenWin::ClientToDIPRect(left_hwnd, gfx::Rect(253, 496, 41, 52)));
 
   HWND right_hwnd = GetRightFakeHwnd();
@@ skipping 351 matching lines @@
   // this test is to make sure we don't crash.
   ScreenWin::GetSystemMetricsInDIP(SM_CXSIZEFRAME);
 }
 
 TEST_F(ScreenWinUninitializedForced2x, GetScaleFactorForHWND) {
   EXPECT_EQ(2.0, ScreenWin::GetScaleFactorForHWND(nullptr));
 }
 
 }  // namespace win
 }  // namespace display