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cec4343fb4
Bug: webrtc:12338 Change-Id: I300ba78fc4423db7030e555d7e51d2cb2246e9a4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227162 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34678}
56 lines
2.3 KiB
C++
56 lines
2.3 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_LINUX_WINDOW_LIST_UTILS_H_
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#define MODULES_DESKTOP_CAPTURE_LINUX_WINDOW_LIST_UTILS_H_
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <stdint.h>
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#include "api/function_view.h"
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#include "modules/desktop_capture/desktop_geometry.h"
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#include "modules/desktop_capture/linux/x_atom_cache.h"
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namespace webrtc {
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// Synchronously iterates all on-screen windows in `cache`.display() in
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// decreasing z-order and sends them one-by-one to `on_window` function before
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// GetWindowList() returns. If `on_window` returns false, this function ignores
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// other windows and returns immediately. GetWindowList() returns false if
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// native APIs failed. If multiple screens are attached to the `display`, this
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// function returns false only when native APIs failed on all screens. Menus,
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// panels and minimized windows will be ignored.
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bool GetWindowList(XAtomCache* cache,
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rtc::FunctionView<bool(::Window)> on_window);
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// Returns WM_STATE property of the `window`. This function returns
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// WithdrawnState if the `window` is missing.
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int32_t GetWindowState(XAtomCache* cache, ::Window window);
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// Returns the rectangle of the `window` in the coordinates of `display`. This
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// function returns false if native APIs failed. If `attributes` is provided, it
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// will be filled with the attributes of `window`. The `rect` is in system
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// coordinate, i.e. the primary monitor always starts from (0, 0).
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bool GetWindowRect(::Display* display,
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::Window window,
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DesktopRect* rect,
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XWindowAttributes* attributes = nullptr);
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// Creates a DesktopRect from `attributes`.
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template <typename T>
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DesktopRect DesktopRectFromXAttributes(const T& attributes) {
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return DesktopRect::MakeXYWH(attributes.x, attributes.y, attributes.width,
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attributes.height);
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}
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_LINUX_WINDOW_LIST_UTILS_H_
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