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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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