dlls/win32u/win32u_private.h

   1 /*
   2  * Unix call wrappers
   3  *
   4  * Copyright 2021 Jacek Caban for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_WIN32U_PRIVATE
  22 #define __WINE_WIN32U_PRIVATE
  23
  24 #include <stdarg.h>
  25 #include <stdlib.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "ntgdi.h"
  29 #include "ntuser.h"
  30 #include "wine/gdi_driver.h"
  31 #include "wine/unixlib.h"
  32 #include "wine/debug.h"
  33 #include "wine/server.h"
  34
  35
  36 /* clipboard.c */
  37 extern UINT enum_clipboard_formats( UINT format ) DECLSPEC_HIDDEN;
  38 extern void release_clipboard_owner( HWND hwnd ) DECLSPEC_HIDDEN;
  39
  40 /* cursoricon.c */
  41 extern HICON alloc_cursoricon_handle( BOOL is_icon ) DECLSPEC_HIDDEN;
  42 extern ULONG_PTR get_icon_param( HICON handle ) DECLSPEC_HIDDEN;
  43 extern ULONG_PTR set_icon_param( HICON handle, ULONG_PTR param ) DECLSPEC_HIDDEN;
  44
  45 /* dce.c */
  46 extern struct window_surface dummy_surface DECLSPEC_HIDDEN;
  47 extern BOOL create_dib_surface( HDC hdc, const BITMAPINFO *info ) DECLSPEC_HIDDEN;
  48 extern void create_offscreen_window_surface( const RECT *visible_rect,
  49                                              struct window_surface **surface ) DECLSPEC_HIDDEN;
  50 extern void erase_now( HWND hwnd, UINT rdw_flags ) DECLSPEC_HIDDEN;
  51 extern void flush_window_surfaces( BOOL idle ) DECLSPEC_HIDDEN;
  52 extern void move_window_bits( HWND hwnd, struct window_surface *old_surface,
  53                               struct window_surface *new_surface,
  54                               const RECT *visible_rect, const RECT *old_visible_rect,
  55                               const RECT *window_rect, const RECT *valid_rects ) DECLSPEC_HIDDEN;
  56 extern void move_window_bits_parent( HWND hwnd, HWND parent, const RECT *window_rect,
  57                                      const RECT *valid_rects ) DECLSPEC_HIDDEN;
  58 extern void register_window_surface( struct window_surface *old,
  59                                      struct window_surface *new ) DECLSPEC_HIDDEN;
  60
  61 /* defwnd.c */
  62 extern LRESULT default_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
  63                                     BOOL ansi ) DECLSPEC_HIDDEN;
  64 extern LRESULT desktop_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
  65 extern BOOL draw_menu_button( HWND hwnd, HDC dc, RECT *r, enum NONCLIENT_BUTTON_TYPE, BOOL down, BOOL grayed ) DECLSPEC_HIDDEN;
  66 extern BOOL draw_frame_menu( HDC dc, RECT *r, UINT flags ) DECLSPEC_HIDDEN;
  67 extern BOOL draw_nc_sys_button( HWND hwnd, HDC hdc, BOOL down ) DECLSPEC_HIDDEN;
  68 extern BOOL draw_rect_edge( HDC hdc, RECT *rc, UINT uType, UINT uFlags, UINT width ) DECLSPEC_HIDDEN;
  69 extern void fill_rect( HDC dc, const RECT *rect, HBRUSH hbrush ) DECLSPEC_HIDDEN;
  70 extern void get_sys_popup_pos( HWND hwnd, RECT *rect ) DECLSPEC_HIDDEN;
  71 extern LRESULT handle_nc_hit_test( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
  72
  73 /* hook.c */
  74 extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
  75 extern LRESULT call_hooks( INT id, INT code, WPARAM wparam, LPARAM lparam,
  76                            size_t lparam_size ) DECLSPEC_HIDDEN;
  77 extern BOOL is_hooked( INT id ) DECLSPEC_HIDDEN;
  78 extern BOOL unhook_windows_hook( INT id, HOOKPROC proc ) DECLSPEC_HIDDEN;
  79
  80 /* imm.c */
  81 extern void cleanup_imm_thread(void) DECLSPEC_HIDDEN;
  82 extern HWND get_default_ime_window( HWND hwnd ) DECLSPEC_HIDDEN;
  83 extern HIMC get_default_input_context(void) DECLSPEC_HIDDEN;
  84 extern HIMC get_window_input_context( HWND hwnd ) DECLSPEC_HIDDEN;
  85 extern BOOL register_imm_window( HWND hwnd ) DECLSPEC_HIDDEN;
  86 extern void unregister_imm_window( HWND hwnd ) DECLSPEC_HIDDEN;
  87
  88 /* input.c */
  89 extern BOOL destroy_caret(void) DECLSPEC_HIDDEN;
  90 extern LONG global_key_state_counter DECLSPEC_HIDDEN;
  91 extern HWND get_active_window(void) DECLSPEC_HIDDEN;
  92 extern HWND get_capture(void) DECLSPEC_HIDDEN;
  93 extern BOOL get_cursor_pos( POINT *pt ) DECLSPEC_HIDDEN;
  94 extern HWND get_focus(void) DECLSPEC_HIDDEN;
  95 extern DWORD get_input_state(void) DECLSPEC_HIDDEN;
  96 extern BOOL release_capture(void) DECLSPEC_HIDDEN;
  97 extern BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret ) DECLSPEC_HIDDEN;
  98 extern BOOL set_caret_blink_time( unsigned int time ) DECLSPEC_HIDDEN;
  99 extern BOOL set_caret_pos( int x, int y ) DECLSPEC_HIDDEN;
 100 extern BOOL set_foreground_window( HWND hwnd, BOOL mouse ) DECLSPEC_HIDDEN;
 101 extern void toggle_caret( HWND hwnd ) DECLSPEC_HIDDEN;
 102 extern void update_mouse_tracking_info( HWND hwnd ) DECLSPEC_HIDDEN;
 103 extern BOOL get_clip_cursor( RECT *rect ) DECLSPEC_HIDDEN;
 104 extern BOOL process_wine_clipcursor( BOOL empty ) DECLSPEC_HIDDEN;
 105
 106 /* menu.c */
 107 extern HMENU create_menu( BOOL is_popup ) DECLSPEC_HIDDEN;
 108 extern BOOL draw_menu_bar( HWND hwnd ) DECLSPEC_HIDDEN;
 109 extern UINT draw_nc_menu_bar( HDC hdc, RECT *rect, HWND hwnd ) DECLSPEC_HIDDEN;
 110 extern void end_menu( HWND hwnd ) DECLSPEC_HIDDEN;
 111 extern HMENU get_menu( HWND hwnd ) DECLSPEC_HIDDEN;
 112 extern UINT get_menu_bar_height( HWND hwnd, UINT width, INT org_x, INT org_y ) DECLSPEC_HIDDEN;
 113 extern BOOL get_menu_info( HMENU handle, MENUINFO *info ) DECLSPEC_HIDDEN;
 114 extern INT get_menu_item_count( HMENU handle ) DECLSPEC_HIDDEN;
 115 extern UINT get_menu_state( HMENU handle, UINT item_id, UINT flags ) DECLSPEC_HIDDEN;
 116 extern HMENU get_window_sys_sub_menu( HWND hwnd ) DECLSPEC_HIDDEN;
 117 extern BOOL is_menu( HMENU handle ) DECLSPEC_HIDDEN;
 118 extern HWND is_menu_active(void) DECLSPEC_HIDDEN;
 119 extern LRESULT popup_menu_window_proc( HWND hwnd, UINT message, WPARAM wparam,
 120                                        LPARAM lparam ) DECLSPEC_HIDDEN;
 121 extern BOOL set_window_menu( HWND hwnd, HMENU handle ) DECLSPEC_HIDDEN;
 122 extern void track_keyboard_menu_bar( HWND hwnd, UINT wparam, WCHAR ch ) DECLSPEC_HIDDEN;
 123 extern void track_mouse_menu_bar( HWND hwnd, INT ht, int x, int y ) DECLSPEC_HIDDEN;
 124
 125 /* message.c */
 126 extern BOOL kill_system_timer( HWND hwnd, UINT_PTR id ) DECLSPEC_HIDDEN;
 127 extern BOOL reply_message_result( LRESULT result ) DECLSPEC_HIDDEN;
 128 extern NTSTATUS send_hardware_message( HWND hwnd, const INPUT *input, const RAWINPUT *rawinput,
 129                                        UINT flags ) DECLSPEC_HIDDEN;
 130 extern LRESULT send_internal_message_timeout( DWORD dest_pid, DWORD dest_tid, UINT msg, WPARAM wparam,
 131                                               LPARAM lparam, UINT flags, UINT timeout,
 132                                               PDWORD_PTR res_ptr ) DECLSPEC_HIDDEN;
 133 extern LRESULT send_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
 134 extern BOOL send_notify_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, BOOL ansi ) DECLSPEC_HIDDEN;
 135 extern LRESULT send_message_timeout( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
 136                                      UINT flags, UINT timeout, BOOL ansi ) DECLSPEC_HIDDEN;
 137
 138 /* rawinput.c */
 139 extern BOOL process_rawinput_message( MSG *msg, UINT hw_id, const struct hardware_msg_data *msg_data ) DECLSPEC_HIDDEN;
 140 extern BOOL rawinput_device_get_usages( HANDLE handle, USHORT *usage_page, USHORT *usage ) DECLSPEC_HIDDEN;
 141
 142 /* scroll.c */
 143 extern void draw_nc_scrollbar( HWND hwnd, HDC hdc, BOOL draw_horizontal, BOOL draw_vertical ) DECLSPEC_HIDDEN;
 144 extern BOOL get_scroll_info( HWND hwnd, INT bar, SCROLLINFO *info ) DECLSPEC_HIDDEN;
 145 extern void handle_scroll_event( HWND hwnd, INT bar, UINT msg, POINT pt ) DECLSPEC_HIDDEN;
 146 extern LRESULT scroll_bar_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
 147                                        BOOL ansi ) DECLSPEC_HIDDEN;
 148 extern void set_standard_scroll_painted( HWND hwnd, int bar, BOOL painted ) DECLSPEC_HIDDEN;
 149 extern void track_scroll_bar( HWND hwnd, int scrollbar, POINT pt ) DECLSPEC_HIDDEN;
 150
 151 /* sysparams.c */
 152 extern BOOL enable_thunk_lock DECLSPEC_HIDDEN;
 153 extern HBRUSH get_55aa_brush(void) DECLSPEC_HIDDEN;
 154 extern DWORD get_dialog_base_units(void) DECLSPEC_HIDDEN;
 155 extern LONG get_char_dimensions( HDC hdc, TEXTMETRICW *metric, int *height ) DECLSPEC_HIDDEN;
 156 extern INT get_display_depth( UNICODE_STRING *name ) DECLSPEC_HIDDEN;
 157 extern RECT get_display_rect( const WCHAR *display ) DECLSPEC_HIDDEN;
 158 extern UINT get_monitor_dpi( HMONITOR monitor ) DECLSPEC_HIDDEN;
 159 extern BOOL get_monitor_info( HMONITOR handle, MONITORINFO *info ) DECLSPEC_HIDDEN;
 160 extern UINT get_win_monitor_dpi( HWND hwnd ) DECLSPEC_HIDDEN;
 161 extern RECT get_primary_monitor_rect( UINT dpi ) DECLSPEC_HIDDEN;
 162 extern DWORD get_process_layout(void) DECLSPEC_HIDDEN;
 163 extern COLORREF get_sys_color( int index ) DECLSPEC_HIDDEN;
 164 extern HBRUSH get_sys_color_brush( unsigned int index ) DECLSPEC_HIDDEN;
 165 extern HPEN get_sys_color_pen( unsigned int index ) DECLSPEC_HIDDEN;
 166 extern UINT get_system_dpi(void) DECLSPEC_HIDDEN;
 167 extern int get_system_metrics( int index ) DECLSPEC_HIDDEN;
 168 extern UINT get_thread_dpi(void) DECLSPEC_HIDDEN;
 169 extern DPI_AWARENESS get_thread_dpi_awareness(void) DECLSPEC_HIDDEN;
 170 extern RECT get_virtual_screen_rect( UINT dpi ) DECLSPEC_HIDDEN;
 171 extern BOOL is_exiting_thread( DWORD tid ) DECLSPEC_HIDDEN;
 172 extern POINT map_dpi_point( POINT pt, UINT dpi_from, UINT dpi_to ) DECLSPEC_HIDDEN;
 173 extern RECT map_dpi_rect( RECT rect, UINT dpi_from, UINT dpi_to ) DECLSPEC_HIDDEN;
 174 extern BOOL message_beep( UINT i ) DECLSPEC_HIDDEN;
 175 extern POINT point_phys_to_win_dpi( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
 176 extern POINT point_thread_to_win_dpi( HWND hwnd, POINT pt ) DECLSPEC_HIDDEN;
 177 extern RECT rect_thread_to_win_dpi( HWND hwnd, RECT rect ) DECLSPEC_HIDDEN;
 178 extern HMONITOR monitor_from_point( POINT pt, UINT flags, UINT dpi ) DECLSPEC_HIDDEN;
 179 extern HMONITOR monitor_from_rect( const RECT *rect, UINT flags, UINT dpi ) DECLSPEC_HIDDEN;
 180 extern HMONITOR monitor_from_window( HWND hwnd, UINT flags, UINT dpi ) DECLSPEC_HIDDEN;
 181 extern void user_lock(void) DECLSPEC_HIDDEN;
 182 extern void user_unlock(void) DECLSPEC_HIDDEN;
 183 extern void user_check_not_lock(void) DECLSPEC_HIDDEN;
 184
 185 /* window.c */
 186 struct tagWND;
 187 extern HDWP begin_defer_window_pos( INT count ) DECLSPEC_HIDDEN;
 188 extern BOOL client_to_screen( HWND hwnd, POINT *pt ) DECLSPEC_HIDDEN;
 189 extern void destroy_thread_windows(void) DECLSPEC_HIDDEN;
 190 extern LRESULT destroy_window( HWND hwnd ) DECLSPEC_HIDDEN;
 191 extern BOOL enable_window( HWND hwnd, BOOL enable ) DECLSPEC_HIDDEN;
 192 extern BOOL get_client_rect( HWND hwnd, RECT *rect ) DECLSPEC_HIDDEN;
 193 extern HWND get_desktop_window(void) DECLSPEC_HIDDEN;
 194 extern UINT get_dpi_for_window( HWND hwnd ) DECLSPEC_HIDDEN;
 195 extern HWND get_full_window_handle( HWND hwnd ) DECLSPEC_HIDDEN;
 196 extern HWND get_parent( HWND hwnd ) DECLSPEC_HIDDEN;
 197 extern HWND get_hwnd_message_parent(void) DECLSPEC_HIDDEN;
 198 extern DPI_AWARENESS_CONTEXT get_window_dpi_awareness_context( HWND hwnd ) DECLSPEC_HIDDEN;
 199 extern MINMAXINFO get_min_max_info( HWND hwnd ) DECLSPEC_HIDDEN;
 200 extern DWORD get_window_context_help_id( HWND hwnd ) DECLSPEC_HIDDEN;
 201 extern HWND get_window_relative( HWND hwnd, UINT rel ) DECLSPEC_HIDDEN;
 202 extern DWORD get_window_thread( HWND hwnd, DWORD *process ) DECLSPEC_HIDDEN;
 203 extern HWND is_current_process_window( HWND hwnd ) DECLSPEC_HIDDEN;
 204 extern HWND is_current_thread_window( HWND hwnd ) DECLSPEC_HIDDEN;
 205 extern BOOL is_desktop_window( HWND hwnd ) DECLSPEC_HIDDEN;
 206 extern BOOL is_iconic( HWND hwnd ) DECLSPEC_HIDDEN;
 207 extern BOOL is_window_drawable( HWND hwnd, BOOL icon ) DECLSPEC_HIDDEN;
 208 extern BOOL is_window_enabled( HWND hwnd ) DECLSPEC_HIDDEN;
 209 extern BOOL is_window_unicode( HWND hwnd ) DECLSPEC_HIDDEN;
 210 extern BOOL is_window_visible( HWND hwnd ) DECLSPEC_HIDDEN;
 211 extern BOOL is_zoomed( HWND hwnd ) DECLSPEC_HIDDEN;
 212 extern DWORD get_window_long( HWND hwnd, INT offset ) DECLSPEC_HIDDEN;
 213 extern ULONG_PTR get_window_long_ptr( HWND hwnd, INT offset, BOOL ansi ) DECLSPEC_HIDDEN;
 214 extern BOOL get_window_rect( HWND hwnd, RECT *rect, UINT dpi ) DECLSPEC_HIDDEN;
 215 enum coords_relative;
 216 extern BOOL get_window_rects( HWND hwnd, enum coords_relative relative, RECT *window_rect,
 217                               RECT *client_rect, UINT dpi ) DECLSPEC_HIDDEN;
 218 extern HWND *list_window_children( HDESK desktop, HWND hwnd, UNICODE_STRING *class,
 219                                    DWORD tid ) DECLSPEC_HIDDEN;
 220 extern int map_window_points( HWND hwnd_from, HWND hwnd_to, POINT *points, UINT count,
 221                               UINT dpi ) DECLSPEC_HIDDEN;
 222 extern void map_window_region( HWND from, HWND to, HRGN hrgn ) DECLSPEC_HIDDEN;
 223 extern BOOL screen_to_client( HWND hwnd, POINT *pt ) DECLSPEC_HIDDEN;
 224 extern LONG_PTR set_window_long( HWND hwnd, INT offset, UINT size, LONG_PTR newval,
 225                                  BOOL ansi ) DECLSPEC_HIDDEN;
 226 extern BOOL set_window_pos( WINDOWPOS *winpos, int parent_x, int parent_y ) DECLSPEC_HIDDEN;
 227 extern ULONG set_window_style( HWND hwnd, ULONG set_bits, ULONG clear_bits ) DECLSPEC_HIDDEN;
 228 extern BOOL show_owned_popups( HWND owner, BOOL show ) DECLSPEC_HIDDEN;
 229 extern void update_window_state( HWND hwnd ) DECLSPEC_HIDDEN;
 230 extern HWND window_from_point( HWND hwnd, POINT pt, INT *hittest ) DECLSPEC_HIDDEN;
 231 extern HWND get_shell_window(void) DECLSPEC_HIDDEN;
 232 extern HWND get_progman_window(void) DECLSPEC_HIDDEN;
 233 extern HWND set_progman_window( HWND hwnd ) DECLSPEC_HIDDEN;
 234 extern HWND get_taskman_window(void) DECLSPEC_HIDDEN;
 235 extern HWND set_taskman_window( HWND hwnd ) DECLSPEC_HIDDEN;
 236
 237 /* to release pointers retrieved by win_get_ptr */
 238 static inline void release_win_ptr( struct tagWND *ptr )
 239 {
 240     user_unlock();
 241 }
 242
 243 extern void gdi_init(void) DECLSPEC_HIDDEN;
 244 extern void winstation_init(void) DECLSPEC_HIDDEN;
 245 extern void sysparams_init(void) DECLSPEC_HIDDEN;
 246 extern int muldiv( int a, int b, int c ) DECLSPEC_HIDDEN;
 247
 248 extern HKEY reg_create_key( HKEY root, const WCHAR *name, ULONG name_len,
 249                             DWORD options, DWORD *disposition ) DECLSPEC_HIDDEN;
 250 extern HKEY reg_open_hkcu_key( const char *name ) DECLSPEC_HIDDEN;
 251 extern HKEY reg_open_key( HKEY root, const WCHAR *name, ULONG name_len ) DECLSPEC_HIDDEN;
 252 extern ULONG query_reg_value( HKEY hkey, const WCHAR *name,
 253                               KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size ) DECLSPEC_HIDDEN;
 254 extern ULONG query_reg_ascii_value( HKEY hkey, const char *name,
 255                                     KEY_VALUE_PARTIAL_INFORMATION *info, ULONG size ) DECLSPEC_HIDDEN;
 256 extern void set_reg_ascii_value( HKEY hkey, const char *name, const char *value ) DECLSPEC_HIDDEN;
 257 extern BOOL set_reg_value( HKEY hkey, const WCHAR *name, UINT type, const void *value,
 258                            DWORD count ) DECLSPEC_HIDDEN;
 259 extern BOOL reg_delete_tree( HKEY parent, const WCHAR *name, ULONG name_len ) DECLSPEC_HIDDEN;
 260 extern void reg_delete_value( HKEY hkey, const WCHAR *name ) DECLSPEC_HIDDEN;
 261
 262 extern HKEY hkcu_key DECLSPEC_HIDDEN;
 263
 264 extern const struct user_driver_funcs *user_driver DECLSPEC_HIDDEN;
 265
 266 static inline BOOL set_ntstatus( NTSTATUS status )
 267 {
 268     if (status) RtlSetLastWin32Error( RtlNtStatusToDosError( status ));
 269     return !status;
 270 }
 271
 272 static inline WCHAR win32u_towupper( WCHAR ch )
 273 {
 274     return RtlUpcaseUnicodeChar( ch );
 275 }
 276
 277 extern CPTABLEINFO ansi_cp DECLSPEC_HIDDEN;
 278
 279 CPTABLEINFO *get_cptable( WORD cp ) DECLSPEC_HIDDEN;
 280 const NLS_LOCALE_DATA *get_locale_data( LCID lcid ) DECLSPEC_HIDDEN;
 281 extern BOOL translate_charset_info( DWORD *src, CHARSETINFO *cs, DWORD flags ) DECLSPEC_HIDDEN;
 282 DWORD win32u_mbtowc( CPTABLEINFO *info, WCHAR *dst, DWORD dstlen, const char *src,
 283                      DWORD srclen ) DECLSPEC_HIDDEN;
 284 DWORD win32u_wctomb( CPTABLEINFO *info, char *dst, DWORD dstlen, const WCHAR *src,
 285                      DWORD srclen ) DECLSPEC_HIDDEN;
 286 DWORD win32u_wctomb_size( CPTABLEINFO *info, const WCHAR *src, DWORD srclen ) DECLSPEC_HIDDEN;
 287 DWORD win32u_mbtowc_size( CPTABLEINFO *info, const char *src, DWORD srclen ) DECLSPEC_HIDDEN;
 288
 289 static inline WCHAR *win32u_wcsdup( const WCHAR *str )
 290 {
 291     DWORD size = (lstrlenW( str ) + 1) * sizeof(WCHAR);
 292     WCHAR *ret = malloc( size );
 293     if (ret) memcpy( ret, str, size );
 294     return ret;
 295 }
 296
 297 static inline WCHAR *towstr( const char *str )
 298 {
 299     DWORD len = strlen( str ) + 1;
 300     WCHAR *ret = malloc( len * sizeof(WCHAR) );
 301     if (ret) win32u_mbtowc( &ansi_cp, ret, len, str, len );
 302     return ret;
 303 }
 304
 305 #define towupper(c)     win32u_towupper(c)
 306 #define wcsdup(s)       win32u_wcsdup(s)
 307
 308 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
 309 {
 310     while (len--) *dst++ = (unsigned char)*src++;
 311 }
 312
 313 static inline UINT asciiz_to_unicode( WCHAR *dst, const char *src )
 314 {
 315     WCHAR *p = dst;
 316     while ((*p++ = *src++));
 317     return (p - dst) * sizeof(WCHAR);
 318 }
 319
 320 static inline BOOL is_win9x(void)
 321 {
 322     return NtCurrentTeb()->Peb->OSPlatformId == VER_PLATFORM_WIN32s;
 323 }
 324
 325 static inline ULONG_PTR zero_bits(void)
 326 {
 327 #ifdef _WIN64
 328     return !NtCurrentTeb()->WowTebOffset ? 0 : 0x7fffffff;
 329 #else
 330     return 0;
 331 #endif
 332 }
 333
 334 static inline const char *debugstr_us( const UNICODE_STRING *us )
 335 {
 336     if (!us) return "<null>";
 337     return debugstr_wn( us->Buffer, us->Length / sizeof(WCHAR) );
 338 }
 339
 340 static inline const char *debugstr_color( COLORREF color )
 341 {
 342     if (color & (1 << 24))  /* PALETTEINDEX */
 343         return wine_dbg_sprintf( "PALETTEINDEX(%u)", LOWORD(color) );
 344     if (color >> 16 == 0x10ff)  /* DIBINDEX */
 345         return wine_dbg_sprintf( "DIBINDEX(%u)", LOWORD(color) );
 346     return wine_dbg_sprintf( "RGB(%02x,%02x,%02x)", GetRValue(color), GetGValue(color), GetBValue(color) );
 347 }
 348
 349 #endif /* __WINE_WIN32U_PRIVATE */