110 lines
4.4 KiB
C
110 lines
4.4 KiB
C
#if !defined(DN_OS_W32_H)
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#define DN_OS_W32_H
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#if defined(_CLANGD)
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#define DN_H_WITH_OS 1
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#include "../dn.h"
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#include "dn_os_windows.h"
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#endif
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struct DN_OSW32Error
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{
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unsigned long code;
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DN_Str8 msg;
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};
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struct DN_OSW32FolderIteratorW
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{
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void *handle;
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DN_Str16 file_name;
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wchar_t file_name_buf[512];
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};
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struct DN_OSW32Window
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{
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HWND hwnd;
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// NOTE: For windows with custom title bars, this should be the rect in framebuffer units that
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// when the mouse is down will move the window, or if the mouse is double-clicked then toggle the
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// maximisation of the window. This rect should not include any custom drawn menu buttons so that
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// those buttons can be handled by your application.
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DN_Rect custom_title_bar_rect_that_is_draggable;
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bool custom_title_bar;
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DN_OSW32Window *next;
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};
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enum DN_OSW32SyncPrimitiveType
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{
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DN_OSW32SyncPrimitiveType_Semaphore,
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DN_OSW32SyncPrimitiveType_Mutex,
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DN_OSW32SyncPrimitiveType_ConditionVariable,
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DN_OSW32SyncPrimitiveType_Barrier,
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};
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struct DN_OSW32SyncPrimitive
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{
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union
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{
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void *sem;
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CRITICAL_SECTION mutex;
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CONDITION_VARIABLE cv;
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SYNCHRONIZATION_BARRIER barrier;
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};
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DN_OSW32SyncPrimitive *next;
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};
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typedef HRESULT DN_OSW32SetThreadDescriptionFunc (HANDLE hThread, PWSTR const lpThreadDescription);
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typedef BOOL DN_OSW32SetProcessDpiAwarenessContextFunc(void* value);
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typedef UINT DN_OSW32GetDpiForWindowFunc (HWND hwnd);
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typedef HRESULT DN_OSW32GetDpiForMonitorFunc (HMONITOR hmonitor, MONITOR_DPI_TYPE dpiType, UINT *dpiX, UINT *dpiY);
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typedef int DN_OSW32GetSystemMetricsForDpiFunc (int nIndex, UINT dpi);
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#define DN_OSW32DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((void*)-4)
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struct DN_OSW32Core
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{
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// NOTE: These functions are dynamically loaded because they might not be present on the user's
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// machine. For example the GetDpiForWindow is Windows 10+ only.
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DN_OSW32SetThreadDescriptionFunc *set_thread_description;
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DN_OSW32GetDpiForWindowFunc *get_dpi_for_window;
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DN_OSW32GetDpiForMonitorFunc *get_dpi_for_monitor;
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DN_OSW32GetSystemMetricsForDpiFunc *get_system_metrics_for_dpi;
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LARGE_INTEGER qpc_frequency;
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void* bcrypt_rng_handle;
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bool bcrypt_init_success;
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bool sym_initialised;
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CRITICAL_SECTION sync_primitive_free_list_mutex;
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DN_OSW32SyncPrimitive* sync_primitive_free_list;
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DN_OSW32Window* windows;
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WNDPROC fallback_wnd_proc;
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};
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DN_API void DN_OS_W32Init (DN_OSW32Core *w32);
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DN_API DN_OSW32Core* DN_OS_W32GetCore ();
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DN_API void DN_OS_W32ThreadSetName (DN_Str8 name);
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DN_API DN_OSW32Window* DN_OS_W32WindowFromHwndMaybeAlloc(DN_OSW32Core *w32, HWND hwnd, DN_Arena *arena);
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DN_API LRESULT __stdcall DN_OS_W32WindowProcCustomTitlebar(HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param);
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DN_API DN_Str16 DN_OS_W32ErrorCodeToMsg16Alloc(DN_U32 error_code);
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DN_API DN_OSW32Error DN_OS_W32ErrorCodeToMsg (DN_Arena *arena, DN_U32 error_code);
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DN_API DN_OSW32Error DN_OS_W32ErrorCodeToMsgAlloc (DN_U32 error_code);
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DN_API DN_OSW32Error DN_OS_W32LastError (DN_Arena *arena);
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DN_API DN_OSW32Error DN_OS_W32LastErrorAlloc ();
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DN_API void DN_OS_W32MakeProcessDPIAware ();
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// NOTE: Windows Str8 <-> Str16
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DN_API DN_Str16 DN_OS_W32Str8ToStr16 (DN_Arena *arena, DN_Str8 src);
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DN_API int DN_OS_W32Str8ToStr16Buffer (DN_Str16 src, char *dest, int dest_size);
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DN_API DN_Str8 DN_OS_W32Str16ToStr8 (DN_Arena *arena, DN_Str16 src);
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DN_API int DN_OS_W32Str16ToStr8Buffer (DN_Str16 src, char *dest, int dest_size);
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DN_API DN_Str8 DN_OS_W32Str16ToStr8FromHeap (DN_Str16 src);
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// NOTE: Path navigation
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DN_API DN_Str16 DN_OS_W32EXEPathW (DN_Arena *arena);
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DN_API DN_Str16 DN_OS_W32EXEDirW (DN_Arena *arena);
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DN_API DN_Str8 DN_OS_W32WorkingDir (DN_Arena *arena, DN_Str8 suffix);
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DN_API DN_Str16 DN_OS_W32WorkingDirW (DN_Arena *arena, DN_Str16 suffix);
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DN_API bool DN_OS_W32DirWIterate (DN_Str16 path, DN_OSW32FolderIteratorW *it);
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#endif // !defined(DN_OS_W32_H)
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