Enable high dpi in win/views.

ui/views/widget/tooltip_manager_win.cc

 // Copyright (c) 2012 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/views/widget/tooltip_manager_win.h"
 
 #include <windowsx.h>
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/strings/string_util.h"
 #include "base/win/scoped_hdc.h"
 #include "base/win/scoped_select_object.h"
 #include "ui/base/l10n/l10n_util_win.h"
+#include "ui/base/win/dpi.h"
 #include "ui/base/win/hwnd_util.h"
 #include "ui/base/win/scoped_set_map_mode.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/monitor_win.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
 
 static int tooltip_height_ = 0;
 
 // Default timeout for the tooltip displayed using keyboard.
-// Timeout is mentioned in milliseconds.
+// Timeout is measured in milliseconds.
 static const int kDefaultTimeout = 4000;
 
 // static
 int TooltipManager::GetTooltipHeight() {
   DCHECK_GT(tooltip_height_, 0);
   return tooltip_height_;
 }
 
 static gfx::Font DetermineDefaultFont() {
   HWND window = CreateWindowEx(
@@ skipping 176 matching lines @@
   return 0;
 }
 
 bool TooltipManagerWin::SetTooltipPosition(int text_x, int text_y) {
   // NOTE: this really only tests that the y location fits on screen, but that
   // is good enough for our usage.
 
   // Calculate the bounds the tooltip will get.
   gfx::Point view_loc;
   View::ConvertPointToScreen(last_tooltip_view_, &view_loc);
+  view_loc = ui::win::DIPToScreenPoint(view_loc);
   RECT bounds = { view_loc.x() + text_x,
                   view_loc.y() + text_y,
                   view_loc.x() + text_x + tooltip_width_,
                   view_loc.y() + line_count_ * GetTooltipHeight() };
   SendMessage(tooltip_hwnd_, TTM_ADJUSTRECT, TRUE, (LPARAM)&bounds);
 
   // Make sure the rectangle completely fits on the current monitor. If it
   // doesn't, return false so that windows positions the tooltip at the
   // default location.
   gfx::Rect monitor_bounds =
@@ skipping 52 matching lines @@
       SendMessage(tooltip_hwnd_, TTM_POP, 0, 0);
       if (has_tooltip_text && !new_tooltip_text.empty() && tooltip_showing_) {
         // New text is valid, show the popup.
         SendMessage(tooltip_hwnd_, TTM_POPUP, 0, 0);
       }
     }
   }
 }
 
 void TooltipManagerWin::OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param) {
-  gfx::Point mouse_pos(l_param);
+  gfx::Point mouse_pos_in_pixels(l_param);
+  gfx::Point mouse_pos = ui::win::ScreenToDIPPoint(mouse_pos_in_pixels);
 
   if (u_msg >= WM_NCMOUSEMOVE && u_msg <= WM_NCXBUTTONDBLCLK) {
     // NC message coordinates are in screen coordinates.
-    POINT temp = mouse_pos.ToPOINT();
+    POINT temp = mouse_pos_in_pixels.ToPOINT();
     ::MapWindowPoints(HWND_DESKTOP, GetParent(), &temp, 1);
-    mouse_pos.SetPoint(temp.x, temp.y);
+    mouse_pos_in_pixels.SetPoint(temp.x, temp.y);
+    mouse_pos = ui::win::ScreenToDIPPoint(mouse_pos_in_pixels);
   }
 
   if (u_msg != WM_MOUSEMOVE || last_mouse_pos_ != mouse_pos) {
     last_mouse_pos_ = mouse_pos;
     HideKeyboardTooltip();
     UpdateTooltip(mouse_pos);
   }
   // Forward the message onto the tooltip.
   MSG msg;
   msg.hwnd = GetParent();
@@ skipping 68 matching lines @@
     keyboard_tooltip_hwnd_ = NULL;
   }
 }
 
 void TooltipManagerWin::DestroyKeyboardTooltipWindow(HWND window_to_destroy) {
   if (keyboard_tooltip_hwnd_ == window_to_destroy)
     HideKeyboardTooltip();
 }
 
 }  // namespace views