(Not ready for review!) Toolbar and views high dpi support.

ui/views/widget/aero_tooltip_manager.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/aero_tooltip_manager.h"
 
 #include <windows.h>
 #include <commctrl.h>
 #include <shlobj.h>
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/base/win/hwnd_util.h"
+#include "ui/base/win/dpi.h"
 #include "ui/gfx/point.h"
 
 namespace views {
 
 ///////////////////////////////////////////////////////////////////////////////
 // AeroTooltipManager, public:
 
+void ScalePos(gfx::Point& pos) {
+  float scale = ui::GetDPIScale();
+  pos.set_x(pos.x() / scale);
+  pos.set_y(pos.y() / scale);
+}
+
 AeroTooltipManager::AeroTooltipManager(Widget* widget)
     : TooltipManagerWin(widget),
       initial_delay_(0) {
 }
 
 AeroTooltipManager::~AeroTooltipManager() {
   if (initial_timer_)
     initial_timer_->Disown();
 }
 
 void AeroTooltipManager::OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param) {
   if (u_msg == WM_MOUSELEAVE) {
     last_mouse_pos_.SetPoint(-1, -1);
     UpdateTooltip();
     return;
   }
 
   if (initial_timer_)
     initial_timer_->Disown();
 
   if (u_msg == WM_MOUSEMOVE || u_msg == WM_NCMOUSEMOVE) {
     gfx::Point mouse_pos(l_param);
     if (u_msg == WM_NCMOUSEMOVE) {
       // NC message coordinates are in screen coordinates.
       POINT temp = mouse_pos.ToPOINT();
       ::MapWindowPoints(HWND_DESKTOP, GetParent(), &temp, 1);
       mouse_pos.SetPoint(temp.x, temp.y);
     }
+    ScalePos( mouse_pos);
     if (last_mouse_pos_ != mouse_pos) {
       last_mouse_pos_ = mouse_pos;
       HideKeyboardTooltip();
       UpdateTooltip(mouse_pos);
     }
 
     // Delay opening of the tooltip just in case the user moves their
     // mouse to another control. We defer this from Init because we get
     // zero if we query it too soon.
     if (!initial_delay_) {
@@ skipping 43 matching lines @@
 void AeroTooltipManager::InitialTimer::Disown() {
   manager_ = NULL;
 }
 
 void AeroTooltipManager::InitialTimer::Execute() {
   if (manager_)
     manager_->OnTimer();
 }
 
 }  // namespace views