desktoporz 0.2.9

Open source DesktopOK clone: save and restore Windows desktop icon layouts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142

// DesktopORZ — Save and restore Windows desktop icon layouts
// Copyright (C) 2026 ThainanViniciusKatchan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

use windows::core::w;
use windows::Win32::Foundation::{HWND, RECT};
use windows::Win32::Graphics::Gdi::{
    GetMonitorInfoW, MonitorFromWindow, MONITORINFO, MONITOR_DEFAULTTONEAREST,
};
use windows::Win32::System::Registry::{
    RegCloseKey, RegOpenKeyExW, RegQueryValueExW, HKEY, HKEY_CURRENT_USER, KEY_QUERY_VALUE,
};
use windows::Win32::UI::Shell::{
    SHQueryUserNotificationState, QUNS_BUSY, QUNS_PRESENTATION_MODE, QUNS_RUNNING_D3D_FULL_SCREEN,
};
use windows::Win32::UI::WindowsAndMessaging::{
    GetClassNameW, GetDesktopWindow, GetForegroundWindow, GetShellWindow, GetWindowRect,
    IsIconic, IsWindow, IsWindowVisible,
};

const STEAM_KEY: windows::core::PCWSTR = w!("Software\\Valve\\Steam");
const VALUE_RUNNING_APP_ID: windows::core::PCWSTR = w!("RunningAppID");

fn is_shell_busy_or_game() -> bool {
    unsafe {
        if let Ok(state) = SHQueryUserNotificationState() {
            return matches!(
                state,
                QUNS_RUNNING_D3D_FULL_SCREEN | QUNS_BUSY | QUNS_PRESENTATION_MODE
            );
        }
    }
    false
}

fn is_steam_game_running() -> bool {
    unsafe {
        let mut key = HKEY::default();
        if RegOpenKeyExW(HKEY_CURRENT_USER, STEAM_KEY, 0, KEY_QUERY_VALUE, &mut key).is_ok() {
            let mut app_id: u32 = 0;
            let mut size = std::mem::size_of::<u32>() as u32;
            let status = RegQueryValueExW(
                key,
                VALUE_RUNNING_APP_ID,
                None,
                None,
                Some(&mut app_id as *mut u32 as *mut u8),
                Some(&mut size),
            );
            let _ = RegCloseKey(key);
            if status.is_ok() && app_id != 0 {
                return true;
            }
        }
    }
    false
}

fn is_shell_or_desktop_window(hwnd: HWND) -> bool {
    unsafe {
        if hwnd == GetDesktopWindow() || hwnd == GetShellWindow() {
            return true;
        }
        let mut class_name = [0u16; 64];
        let len = GetClassNameW(hwnd, &mut class_name) as usize;
        if len > 0 {
            let class_str = String::from_utf16_lossy(&class_name[..len]);
            if matches!(
                class_str.as_str(),
                "Progman" | "WorkerW" | "Shell_TrayWnd" | "Shell_SecondaryTrayWnd"
            ) {
                return true;
            }
        }
    }
    false
}

pub fn is_window_fullscreen(hwnd: HWND) -> bool {
    unsafe {
        if !IsWindow(hwnd).as_bool() || !IsWindowVisible(hwnd).as_bool() || IsIconic(hwnd).as_bool() {
            return false;
        }
        if is_shell_or_desktop_window(hwnd) {
            return false;
        }
        let mut window_rect = RECT::default();
        if GetWindowRect(hwnd, &mut window_rect).is_err() {
            return false;
        }
        let hmon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
        if hmon.is_invalid() {
            return false;
        }
        let mut mi = MONITORINFO {
            cbSize: std::mem::size_of::<MONITORINFO>() as u32,
            ..Default::default()
        };
        if !GetMonitorInfoW(hmon, &mut mi).as_bool() {
            return false;
        }
        window_rect.left <= mi.rcMonitor.left
            && window_rect.top <= mi.rcMonitor.top
            && window_rect.right >= mi.rcMonitor.right
            && window_rect.bottom >= mi.rcMonitor.bottom
    }
}

fn is_foreground_window_fullscreen() -> bool {
    unsafe {
        let fg = GetForegroundWindow();
        if fg.is_invalid() {
            return false;
        }
        is_window_fullscreen(fg)
    }
}

pub fn is_fullscreen_or_game_active() -> bool {
    if is_shell_busy_or_game() {
        return true;
    }
    if is_steam_game_running() {
        return true;
    }
    if is_foreground_window_fullscreen() {
        return true;
    }
    false
}