71 lines
2.5 KiB
Rust
71 lines
2.5 KiB
Rust
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use crate::app::{App, Apps};
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use windows::Win32::{
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Foundation::{BOOL, HWND, LPARAM},
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UI::WindowsAndMessaging::{self, GetWindowTextA, GetWindowTextLengthA, WNDENUMPROC},
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};
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pub fn get_running_program(apps: &Apps) -> Option<(&App, String)> {
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let running_window_names = unsafe { get_running_windows_titles() };
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for window_name in running_window_names {
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if let Some(app) = apps.find_app(&window_name) {
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return Some((&app, app.parse(&window_name)));
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}
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}
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return None;
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}
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pub fn is_program_still_running(app: &App) -> Option<String> {
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let running_window_names = unsafe { get_running_windows_titles() };
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for window_name in running_window_names {
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//dbg!(&window_name);
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if window_name.contains(&app.process_search_string) {
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return Some(app.parse(&window_name));
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}
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}
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return None;
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}
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unsafe fn get_running_windows_titles() -> Vec<String> {
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let mut running_windows_names: Vec<String> = Vec::new();
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unsafe extern "system" fn processhwd(hwnd: HWND, lparam: LPARAM) -> BOOL {
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// Get the length of the window text
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let window_text_len = GetWindowTextLengthA(hwnd);
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if window_text_len < 0 {
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panic!("Uh oh, it went wrong.");
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}
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// Make a buffer for the window text (+ 1 for terminating NUL byte)
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let mut window_text_buffer = vec![0_u8; window_text_len as usize + 1];
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// Get the window text. For understanding how to deal with the value in
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// `result`, see the MSDN documentation.
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GetWindowTextA(hwnd, &mut window_text_buffer);
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//turn ascii into characters
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let mut window_text: Vec<char> = Vec::new();
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for char in window_text_buffer {
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window_text.push(char as char);
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}
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//turn characters into strings
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let window_text = String::from_iter(window_text.iter());
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//turn vector into pointer and push window_texts to it
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let running_windows_names_pointer = lparam.0 as *mut Vec<String>;
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running_windows_names_pointer
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.as_mut()
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.expect("welp the pointer failed...")
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.push(window_text);
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BOOL(1)
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}
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let lpenumfunc: WNDENUMPROC =
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Some(processhwd as unsafe extern "system" fn(hwnd: HWND, lparam: LPARAM) -> BOOL);
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let windows_names_ptr: *mut Vec<String> = &mut running_windows_names;
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WindowsAndMessaging::EnumWindows(lpenumfunc, LPARAM(windows_names_ptr as isize));
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running_windows_names
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}
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