OLD | NEW |
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 |
(...skipping 1397 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1408 << " (" << error_str << "), " | 1408 << " (" << error_str << "), " |
1409 << "request_code " << static_cast<int>(error_event.request_code) << ", " | 1409 << "request_code " << static_cast<int>(error_event.request_code) << ", " |
1410 << "minor_code " << static_cast<int>(error_event.minor_code) | 1410 << "minor_code " << static_cast<int>(error_event.minor_code) |
1411 << " (" << request_str << ")"; | 1411 << " (" << request_str << ")"; |
1412 } | 1412 } |
1413 | 1413 |
1414 #if !defined(OS_CHROMEOS) | 1414 #if !defined(OS_CHROMEOS) |
1415 void ChooseVisualForWindow(bool enable_transparent_visuals, | 1415 void ChooseVisualForWindow(bool enable_transparent_visuals, |
1416 Visual** visual, | 1416 Visual** visual, |
1417 int* depth) { | 1417 int* depth) { |
1418 static Visual* s_visual = NULL; | 1418 static Visual* s_default_visual = nullptr; |
1419 static int s_depth = 0; | 1419 static Visual* s_transparent_visual = nullptr; |
| 1420 static int s_default_depth = 0; |
| 1421 static int s_transparent_depth = 0; |
1420 | 1422 |
1421 if (!s_visual) { | 1423 if (!s_default_visual || !s_transparent_visual) { |
1422 XDisplay* display = gfx::GetXDisplay(); | 1424 XDisplay* display = gfx::GetXDisplay(); |
1423 XAtom NET_WM_CM_S0 = XInternAtom(display, "_NET_WM_CM_S0", False); | 1425 XAtom NET_WM_CM_S0 = XInternAtom(display, "_NET_WM_CM_S0", False); |
1424 | 1426 |
1425 if (enable_transparent_visuals && | 1427 if (enable_transparent_visuals && |
1426 XGetSelectionOwner(display, NET_WM_CM_S0) != None) { | 1428 XGetSelectionOwner(display, NET_WM_CM_S0) != None) { |
1427 // Choose the first ARGB8888 visual | 1429 // Choose the first ARGB8888 visual |
1428 XVisualInfo visual_template; | 1430 XVisualInfo visual_template; |
1429 visual_template.screen = 0; | 1431 visual_template.screen = 0; |
1430 | 1432 |
1431 int visuals_len; | 1433 int visuals_len; |
1432 gfx::XScopedPtr<XVisualInfo[]> visual_list(XGetVisualInfo( | 1434 gfx::XScopedPtr<XVisualInfo[]> visual_list(XGetVisualInfo( |
1433 display, VisualScreenMask, &visual_template, &visuals_len)); | 1435 display, VisualScreenMask, &visual_template, &visuals_len)); |
1434 for (int i = 0; i < visuals_len; ++i) { | 1436 for (int i = 0; i < visuals_len; ++i) { |
1435 // Why support only 8888 ARGB? Because it's all that GTK+ supports. In | 1437 // Why support only 8888 ARGB? Because it's all that GTK+ supports. In |
1436 // gdkvisual-x11.cc, they look for this specific visual and use it for | 1438 // gdkvisual-x11.cc, they look for this specific visual and use it for |
1437 // all their alpha channel using needs. | 1439 // all their alpha channel using needs. |
1438 const XVisualInfo& info = visual_list[i]; | 1440 const XVisualInfo& info = visual_list[i]; |
1439 if (info.depth == 32 && info.visual->red_mask == 0xff0000 && | 1441 if (info.depth == 32 && info.visual->red_mask == 0xff0000 && |
1440 info.visual->green_mask == 0x00ff00 && | 1442 info.visual->green_mask == 0x00ff00 && |
1441 info.visual->blue_mask == 0x0000ff) { | 1443 info.visual->blue_mask == 0x0000ff) { |
1442 s_visual = info.visual; | 1444 s_transparent_visual = info.visual; |
1443 s_depth = info.depth; | 1445 s_transparent_depth = info.depth; |
| 1446 DCHECK(s_transparent_visual); |
1444 break; | 1447 break; |
1445 } | 1448 } |
1446 } | 1449 } |
1447 } else { | |
1448 XWindowAttributes windowAttribs; | |
1449 Window root = XDefaultRootWindow(display); | |
1450 Status status = XGetWindowAttributes(display, root, &windowAttribs); | |
1451 DCHECK(status != 0); | |
1452 s_visual = windowAttribs.visual; | |
1453 s_depth = windowAttribs.depth; | |
1454 } | 1450 } |
1455 } // !s_visual | |
1456 | 1451 |
1457 DCHECK(s_visual); | 1452 XWindowAttributes attribs; |
1458 DCHECK(s_depth > 0); | 1453 Window root = XDefaultRootWindow(display); |
| 1454 Status status = XGetWindowAttributes(display, root, &attribs); |
| 1455 DCHECK_NE(0, status); |
| 1456 s_default_visual = attribs.visual; |
| 1457 s_default_depth = attribs.depth; |
| 1458 |
| 1459 if (!s_transparent_visual) { |
| 1460 s_transparent_visual = s_default_visual; |
| 1461 s_transparent_depth = s_default_depth; |
| 1462 } |
| 1463 } // !s_default_visual || !s_transparent_visual |
| 1464 |
| 1465 DCHECK(s_default_visual); |
| 1466 DCHECK(s_default_depth > 0); |
| 1467 DCHECK(s_transparent_visual); |
| 1468 DCHECK(s_transparent_depth > 0); |
1459 | 1469 |
1460 if (visual) | 1470 if (visual) |
1461 *visual = s_visual; | 1471 *visual = |
| 1472 enable_transparent_visuals ? s_transparent_visual : s_default_visual; |
1462 if (depth) | 1473 if (depth) |
1463 *depth = s_depth; | 1474 *depth = enable_transparent_visuals ? s_transparent_depth : s_default_depth; |
1464 } | 1475 } |
1465 #endif | 1476 #endif |
1466 | 1477 |
1467 // ---------------------------------------------------------------------------- | 1478 // ---------------------------------------------------------------------------- |
1468 // End of x11_util_internal.h | 1479 // End of x11_util_internal.h |
1469 | 1480 |
1470 | 1481 |
1471 } // namespace ui | 1482 } // namespace ui |
OLD | NEW |