mirror of
https://github.com/kunkundi/crossdesk.git
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80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-11-11
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#ifndef _DISPLAY_RESOLUTION_H_
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#define _DISPLAY_RESOLUTION_H_
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#include <algorithm>
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#include <cstdint>
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#include <string>
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#include <utility>
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#include <vector>
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namespace crossdesk {
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inline constexpr int kMaxResolutionDisplays = 32;
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inline constexpr int kMaxDisplayResolutionModes = 256;
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struct DisplayResolution {
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int width = 0;
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int height = 0;
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bool operator==(const DisplayResolution &other) const {
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return width == other.width && height == other.height;
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}
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};
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inline bool ValidDisplayResolution(const DisplayResolution &mode) {
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return mode.width > 0 && mode.height > 0 && mode.width <= 32768 &&
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mode.height <= 32768;
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}
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struct DisplayResolutionInfo {
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int display_id = 0;
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// Opaque native identity: reject requests for a replaced/hot-unplugged
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// screen.
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std::string display_key;
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DisplayResolution current;
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std::vector<DisplayResolution> modes;
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bool operator==(const DisplayResolutionInfo &other) const {
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return display_id == other.display_id && display_key == other.display_key &&
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current == other.current && modes == other.modes;
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}
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};
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struct DisplayResolutionChange {
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int display_id = 0;
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std::string display_key;
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DisplayResolution resolution;
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uint32_t request_id = 0;
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bool accepted = false;
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};
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// Persist the native identity, never the display's position in a session.
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struct DisplayResolutionPreference {
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std::string display_key;
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DisplayResolution resolution;
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};
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inline bool ValidDisplayResolutionPreference(
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const DisplayResolutionPreference &preference) {
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return !preference.display_key.empty() &&
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preference.display_key.size() <= 1024 &&
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preference.display_key.find('\0') == std::string::npos &&
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ValidDisplayResolution(preference.resolution);
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}
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inline bool SupportsDisplayResolution(const DisplayResolutionInfo &display,
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const DisplayResolutionChange &change) {
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return display.display_id == change.display_id &&
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display.display_key == change.display_key &&
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std::find(display.modes.begin(), display.modes.end(),
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change.resolution) != display.modes.end();
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}
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} // namespace crossdesk
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#endif
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