122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
internal FILETIME
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W32_GetLastWriteTime(char *filename)
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{
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FILETIME last_write_time = {0};
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WIN32_FIND_DATA find_data;
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HANDLE find_handle = FindFirstFileA(filename, &find_data);
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if(find_handle != INVALID_HANDLE_VALUE)
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{
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FindClose(find_handle);
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last_write_time = find_data.ftLastWriteTime;
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}
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return last_write_time;
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}
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internal void *
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W32_HeapAlloc(u32 size)
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{
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return HeapAlloc(GetProcessHeap(), 0, size);
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}
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internal void
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W32_HeapFree(void *data)
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{
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HeapFree(GetProcessHeap(), 0, data);
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}
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internal void *
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W32_Reserve(u64 size)
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{
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void *memory = VirtualAlloc(0, size, MEM_RESERVE, PAGE_NOACCESS);
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return memory;
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}
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internal void
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W32_Release(void *memory)
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{
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VirtualFree(memory, 0, MEM_RELEASE);
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}
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internal void
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W32_Commit(void *memory, u64 size)
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{
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VirtualAlloc(memory, size, MEM_COMMIT, PAGE_READWRITE);
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}
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internal void
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W32_Decommit(void *memory, u64 size)
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{
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VirtualFree(memory, size, MEM_DECOMMIT);
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}
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internal void
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W32_OutputError(char *title, char *format, ...)
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{
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local_persist volatile LONG locked = 0;
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while(locked);
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InterlockedExchange(&locked, 1);
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{
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va_list args;
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va_start(args, format);
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u32 required_characters = vsnprintf(0, 0, format, args)+1;
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va_end(args);
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local_persist char text[4096] = {0};
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if(required_characters > 4096)
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{
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required_characters = 4096;
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}
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va_start(args, format);
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vsnprintf(text, required_characters, format, args);
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va_end(args);
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text[required_characters-1] = 0;
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MessageBoxA(0, text, title, MB_OK);
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}
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InterlockedExchange(&locked, 0);
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}
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internal void
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W32_ToggleFullscreen(HWND hwnd)
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{
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local_persist WINDOWPLACEMENT last_window_placement = {
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sizeof(last_window_placement)
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};
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DWORD window_style = GetWindowLong(hwnd, GWL_STYLE);
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if(window_style & WS_OVERLAPPEDWINDOW)
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{
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MONITORINFO monitor_info = { sizeof(monitor_info) };
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if(GetWindowPlacement(hwnd, &last_window_placement) &&
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GetMonitorInfo(MonitorFromWindow(hwnd, MONITOR_DEFAULTTOPRIMARY),
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&monitor_info))
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{
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SetWindowLong(hwnd, GWL_STYLE,
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window_style & ~WS_OVERLAPPEDWINDOW);
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SetWindowPos(hwnd, HWND_TOP,
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monitor_info.rcMonitor.left,
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monitor_info.rcMonitor.top,
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monitor_info.rcMonitor.right -
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monitor_info.rcMonitor.left,
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monitor_info.rcMonitor.bottom -
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monitor_info.rcMonitor.top,
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SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
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}
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}
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else
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{
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SetWindowLong(hwnd, GWL_STYLE,
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window_style | WS_OVERLAPPEDWINDOW);
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SetWindowPlacement(hwnd, &last_window_placement);
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SetWindowPos(hwnd, 0, 0, 0, 0, 0,
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SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
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SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
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}
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}
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