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Issue 10990010: Fix tab dragging in unity2d (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 2 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This file defines utility functions for X11 (Linux only). This code has been 5 // This file defines utility functions for X11 (Linux only). This code has been
6 // ported from XCB since we can't use XCB on Ubuntu while its 32-bit support 6 // ported from XCB since we can't use XCB on Ubuntu while its 32-bit support
7 // remains woefully incomplete. 7 // remains woefully incomplete.
8 8
9 #include "ui/base/x/x11_util.h" 9 #include "ui/base/x/x11_util.h"
10 10
11 #include <ctype.h> 11 #include <ctype.h>
12 #include <sys/ipc.h> 12 #include <sys/ipc.h>
13 #include <sys/shm.h> 13 #include <sys/shm.h>
14 14
15 #include <list> 15 #include <list>
16 #include <map> 16 #include <map>
17 #include <utility> 17 #include <utility>
18 #include <vector> 18 #include <vector>
19 19
20 #include <X11/extensions/Xrandr.h> 20 #include <X11/extensions/Xrandr.h>
21 #include <X11/extensions/randr.h> 21 #include <X11/extensions/randr.h>
22 #include <X11/extensions/shape.h>
22 23
23 #include "base/bind.h" 24 #include "base/bind.h"
24 #include "base/command_line.h" 25 #include "base/command_line.h"
25 #include "base/logging.h" 26 #include "base/logging.h"
26 #include "base/memory/scoped_ptr.h" 27 #include "base/memory/scoped_ptr.h"
27 #include "base/memory/singleton.h" 28 #include "base/memory/singleton.h"
28 #include "base/message_loop.h" 29 #include "base/message_loop.h"
29 #include "base/string_number_conversions.h" 30 #include "base/string_number_conversions.h"
30 #include "base/string_util.h" 31 #include "base/string_util.h"
31 #include "base/stringprintf.h" 32 #include "base/stringprintf.h"
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605 return false; 606 return false;
606 607
607 if (!XTranslateCoordinates(GetXDisplay(), window, root, 608 if (!XTranslateCoordinates(GetXDisplay(), window, root,
608 0, 0, &x, &y, &child)) 609 0, 0, &x, &y, &child))
609 return false; 610 return false;
610 611
611 *rect = gfx::Rect(x, y, width, height); 612 *rect = gfx::Rect(x, y, width, height);
612 return true; 613 return true;
613 } 614 }
614 615
616
617 bool WindowContainsPoint(XID window, gfx::Point screen_loc) {
618 gfx::Rect window_rect;
619 if (!GetWindowRect(window, &window_rect))
620 return false;
621
622 if (!window_rect.Contains(screen_loc))
623 return false;
624
625 // According to http://www.x.org/releases/X11R7.6/doc/libXext/shapelib.html,
626 // if an X display supports the shape extension the bounds of a window are
627 // defined as the intersection of the window bounds and the interior
628 // rectangles. This means to determine if a point is inside a window for the
629 // purpose of input handling we have to check the rectangles in the ShapeInput
630 // list.
631 int dummy;
632 if (XShapeQueryExtension(ui::GetXDisplay(), &dummy, &dummy)) {
sadrul 2012/09/24 23:39:24 It would make sense to cache the return value of X
633 int input_rects_size = 0;
634 XRectangle* input_rects = XShapeGetRectangles(
635 ui::GetXDisplay(), window, ShapeInput, &input_rects_size, &dummy);
636 bool is_in_input_rects = false;
637 for (int i = 0; i < input_rects_size; ++i) {
638 gfx::Rect input_rect =
639 gfx::Rect(input_rects[i].x, input_rects[i].y,
640 input_rects[i].width, input_rects[i].height);
641 if (input_rect.Contains(screen_loc)) {
642 is_in_input_rects = true;
643 break;
644 }
645 }
Elliot Glaysher 2012/09/24 23:35:05 You'll need an XFree(input_rects); here.
646 if (!is_in_input_rects)
647 return false;
648 }
649
650 return true;
651 }
652
653
615 bool PropertyExists(XID window, const std::string& property_name) { 654 bool PropertyExists(XID window, const std::string& property_name) {
616 Atom type = None; 655 Atom type = None;
617 int format = 0; // size in bits of each item in 'property' 656 int format = 0; // size in bits of each item in 'property'
618 unsigned long num_items = 0; 657 unsigned long num_items = 0;
619 unsigned char* property = NULL; 658 unsigned char* property = NULL;
620 659
621 int result = GetProperty(window, property_name, 1, 660 int result = GetProperty(window, property_name, 1,
622 &type, &format, &num_items, &property); 661 &type, &format, &num_items, &property);
623 if (result != Success) 662 if (result != Success)
624 return false; 663 return false;
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1581 << "request_code " << static_cast<int>(error_event.request_code) << ", " 1620 << "request_code " << static_cast<int>(error_event.request_code) << ", "
1582 << "minor_code " << static_cast<int>(error_event.minor_code) 1621 << "minor_code " << static_cast<int>(error_event.minor_code)
1583 << " (" << request_str << ")"; 1622 << " (" << request_str << ")";
1584 } 1623 }
1585 1624
1586 // ---------------------------------------------------------------------------- 1625 // ----------------------------------------------------------------------------
1587 // End of x11_util_internal.h 1626 // End of x11_util_internal.h
1588 1627
1589 1628
1590 } // namespace ui 1629 } // namespace ui
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