src/ui/views/widget/desktop_aura/x11_desktop_window_move_client.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 "ui/views/widget/desktop_aura/x11_desktop_window_move_client.h"
   6
   7 #include <X11/Xlib.h>
   8 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
   9 #undef RootWindow
  10
  11 #include "base/debug/stack_trace.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/message_loop/message_pump_x11.h"
  14 #include "base/run_loop.h"
  15 #include "ui/aura/env.h"
  16 #include "ui/aura/root_window.h"
  17 #include "ui/base/x/x11_util.h"
  18 #include "ui/events/event.h"
  19 #include "ui/gfx/screen.h"
  20
  21 namespace views {
  22
  23 X11DesktopWindowMoveClient::X11DesktopWindowMoveClient()
  24     : move_loop_(this),
  25       root_window_(NULL) {
  26 }
  27
  28 X11DesktopWindowMoveClient::~X11DesktopWindowMoveClient() {}
  29
  30 void X11DesktopWindowMoveClient::OnMouseMovement(XMotionEvent* event) {
  31   gfx::Point cursor_point(event->x_root, event->y_root);
  32   gfx::Point system_loc = cursor_point - window_offset_;
  33   root_window_->SetHostBounds(gfx::Rect(
  34       system_loc, root_window_->GetHostSize()));
  35 }
  36
  37 void X11DesktopWindowMoveClient::OnMouseReleased() {
  38   EndMoveLoop();
  39 }
  40
  41 void X11DesktopWindowMoveClient::OnMoveLoopEnded() {
  42   root_window_ = NULL;
  43 }
  44
  45 ////////////////////////////////////////////////////////////////////////////////
  46 // DesktopRootWindowHostLinux, aura::client::WindowMoveClient implementation:
  47
  48 aura::client::WindowMoveResult X11DesktopWindowMoveClient::RunMoveLoop(
  49     aura::Window* source,
  50     const gfx::Vector2d& drag_offset,
  51     aura::client::WindowMoveSource move_source) {
  52   window_offset_ = drag_offset;
  53   root_window_ = source->GetDispatcher();
  54
  55   bool success = move_loop_.RunMoveLoop(source, root_window_->last_cursor());
  56   return success ? aura::client::MOVE_SUCCESSFUL : aura::client::MOVE_CANCELED;
  57 }
  58
  59 void X11DesktopWindowMoveClient::EndMoveLoop() {
  60   move_loop_.EndMoveLoop();
  61 }
  62
  63 }  // namespace views