Pileus Git - ~andy/gtk/blob - gdk/win32/gdkprivate-win32.h

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __GDK_PRIVATE_WIN32_H__
  28 #define __GDK_PRIVATE_WIN32_H__
  29
  30 #ifndef WINVER
  31 #define WINVER 0x0500
  32 #endif
  33
  34 #ifndef _WIN32_WINNT
  35 #define _WIN32_WINNT WINVER
  36 #endif
  37
  38 #include <gdk/gdkprivate.h>
  39 #include <gdk/gdkcursorprivate.h>
  40 #include <gdk/win32/gdkwindow-win32.h>
  41
  42 #include "gdkinternals.h"
  43
  44 #include "config.h"
  45
  46 /* Make up for some minor w32api or MSVC6 header lossage */
  47
  48 #ifndef PS_JOIN_MASK
  49 #define PS_JOIN_MASK (PS_JOIN_BEVEL|PS_JOIN_MITER|PS_JOIN_ROUND)
  50 #endif
  51
  52 #ifndef FS_VIETNAMESE
  53 #define FS_VIETNAMESE 0x100
  54 #endif
  55
  56 #ifndef WM_GETOBJECT
  57 #define WM_GETOBJECT 0x3D
  58 #endif
  59 #ifndef WM_NCXBUTTONDOWN
  60 #define WM_NCXBUTTONDOWN 0xAB
  61 #endif
  62 #ifndef WM_NCXBUTTONUP
  63 #define WM_NCXBUTTONUP 0xAC
  64 #endif
  65 #ifndef WM_NCXBUTTONDBLCLK
  66 #define WM_NCXBUTTONDBLCLK 0xAD
  67 #endif
  68 #ifndef WM_CHANGEUISTATE
  69 #define WM_CHANGEUISTATE 0x127
  70 #endif
  71 #ifndef WM_UPDATEUISTATE
  72 #define WM_UPDATEUISTATE 0x128
  73 #endif
  74 #ifndef WM_QUERYUISTATE
  75 #define WM_QUERYUISTATE 0x129
  76 #endif
  77 #ifndef WM_XBUTTONDOWN
  78 #define WM_XBUTTONDOWN 0x20B
  79 #endif
  80 #ifndef WM_XBUTTONUP
  81 #define WM_XBUTTONUP 0x20C
  82 #endif
  83 #ifndef WM_XBUTTONDBLCLK
  84 #define WM_XBUTTONDBLCLK 0x20D
  85 #endif
  86 #ifndef WM_NCMOUSEHOVER
  87 #define WM_NCMOUSEHOVER 0x2A0
  88 #endif
  89 #ifndef WM_NCMOUSELEAVE
  90 #define WM_NCMOUSELEAVE 0x2A2
  91 #endif
  92 #ifndef WM_APPCOMMAND
  93 #define WM_APPCOMMAND 0x319
  94 #endif
  95
  96 #ifndef CF_DIBV5
  97 #define CF_DIBV5 17
  98 #endif
  99
 100
 101 /* Define some combinations of GdkDebugFlags */
 102 #define GDK_DEBUG_EVENTS_OR_INPUT (GDK_DEBUG_EVENTS|GDK_DEBUG_INPUT)
 103 #define GDK_DEBUG_MISC_OR_EVENTS (GDK_DEBUG_MISC|GDK_DEBUG_EVENTS)
 104
 105 GdkScreen *GDK_WINDOW_SCREEN(GObject *win);
 106
 107 #define GDK_WINDOW_IS_WIN32(win)        (GDK_IS_WINDOW_IMPL_WIN32 (win->impl))
 108
 109 typedef struct _GdkColormapPrivateWin32 GdkColormapPrivateWin32;
 110 typedef struct _GdkWin32SingleFont      GdkWin32SingleFont;
 111
 112 struct _GdkWin32Cursor
 113 {
 114   GdkCursor cursor;
 115   HCURSOR hcursor;
 116 };
 117
 118 struct _GdkWin32SingleFont
 119 {
 120   HFONT hfont;
 121   UINT charset;
 122   UINT codepage;
 123   FONTSIGNATURE fs;
 124 };
 125
 126 typedef enum {
 127   GDK_WIN32_PE_STATIC,
 128   GDK_WIN32_PE_AVAILABLE,
 129   GDK_WIN32_PE_INUSE
 130 } GdkWin32PalEntryState;
 131
 132 struct _GdkColormapPrivateWin32
 133 {
 134   HPALETTE hpal;
 135   gint current_size;            /* Current size of hpal */
 136   GdkWin32PalEntryState *use;
 137   gint private_val;
 138
 139   GHashTable *hash;
 140   GdkColorInfo *info;
 141 };
 142
 143 GType _gdk_gc_win32_get_type (void);
 144
 145 gulong _gdk_win32_get_next_tick (gulong suggested_tick);
 146
 147 void _gdk_window_init_position     (GdkWindow *window);
 148 void _gdk_window_move_resize_child (GdkWindow *window,
 149                                     gint       x,
 150                                     gint       y,
 151                                     gint       width,
 152                                     gint       height);
 153
 154 /* GdkWindowImpl methods */
 155 void _gdk_win32_window_scroll (GdkWindow *window,
 156                                gint       dx,
 157                                gint       dy);
 158 void _gdk_win32_window_move_region (GdkWindow       *window,
 159                                     const cairo_region_t *region,
 160                                     gint             dx,
 161                                     gint             dy);
 162
 163
 164 void _gdk_win32_selection_init (void);
 165 void _gdk_win32_dnd_exit (void);
 166
 167 GdkDragProtocol _gdk_win32_window_get_drag_protocol (GdkWindow *window,
 168                                                      GdkWindow **target);
 169
 170 void     gdk_win32_handle_table_insert  (HANDLE   *handle,
 171                                          gpointer data);
 172 void     gdk_win32_handle_table_remove  (HANDLE handle);
 173
 174 HRGN      _gdk_win32_cairo_region_to_hrgn (const cairo_region_t *region,
 175                                            gint                  x_origin,
 176                                            gint                  y_origin);
 177
 178 cairo_region_t *_gdk_win32_hrgn_to_region    (HRGN hrgn);
 179
 180 void    _gdk_win32_adjust_client_rect   (GdkWindow *window,
 181                                          RECT      *RECT);
 182
 183 void    _gdk_selection_property_delete (GdkWindow *);
 184
 185 void    _gdk_dropfiles_store (gchar *data);
 186
 187 void       _gdk_push_modal_window   (GdkWindow *window);
 188 void       _gdk_remove_modal_window (GdkWindow *window);
 189 GdkWindow *_gdk_modal_current       (void);
 190 gboolean   _gdk_modal_blocked       (GdkWindow *window);
 191
 192 #ifdef G_ENABLE_DEBUG
 193 gchar *_gdk_win32_color_to_string      (const GdkColor *color);
 194 void   _gdk_win32_print_paletteentries (const PALETTEENTRY *pep,
 195                                         const int           nentries);
 196 void   _gdk_win32_print_system_palette (void);
 197 void   _gdk_win32_print_hpalette       (HPALETTE     hpal);
 198 void   _gdk_win32_print_dc             (HDC          hdc);
 199
 200 gchar *_gdk_win32_drag_protocol_to_string (GdkDragProtocol protocol);
 201 gchar *_gdk_win32_window_state_to_string (GdkWindowState state);
 202 gchar *_gdk_win32_window_style_to_string (LONG style);
 203 gchar *_gdk_win32_window_exstyle_to_string (LONG style);
 204 gchar *_gdk_win32_window_pos_bits_to_string (UINT flags);
 205 gchar *_gdk_win32_drag_action_to_string (GdkDragAction actions);
 206 gchar *_gdk_win32_window_description (GdkWindow *d);
 207
 208 gchar *_gdk_win32_rop2_to_string       (int          rop2);
 209 gchar *_gdk_win32_lbstyle_to_string    (UINT         brush_style);
 210 gchar *_gdk_win32_pstype_to_string     (DWORD        pen_style);
 211 gchar *_gdk_win32_psstyle_to_string    (DWORD        pen_style);
 212 gchar *_gdk_win32_psendcap_to_string   (DWORD        pen_style);
 213 gchar *_gdk_win32_psjoin_to_string     (DWORD        pen_style);
 214 gchar *_gdk_win32_message_to_string    (UINT         msg);
 215 gchar *_gdk_win32_key_to_string        (LONG         lParam);
 216 gchar *_gdk_win32_cf_to_string         (UINT         format);
 217 gchar *_gdk_win32_data_to_string       (const guchar*data,
 218                                         int          nbytes);
 219 gchar *_gdk_win32_rect_to_string       (const RECT  *rect);
 220
 221 gchar *_gdk_win32_gdkrectangle_to_string (const GdkRectangle *rect);
 222 gchar *_gdk_win32_cairo_region_to_string (const cairo_region_t    *box);
 223
 224 void   _gdk_win32_print_event            (const GdkEvent     *event);
 225
 226 #endif
 227
 228 gchar  *_gdk_win32_last_error_string (void);
 229 void    _gdk_win32_api_failed        (const gchar *where,
 230                                      const gchar *api);
 231 void    _gdk_other_api_failed        (const gchar *where,
 232                                      const gchar *api);
 233
 234 #define WIN32_API_FAILED(api) _gdk_win32_api_failed (G_STRLOC , api)
 235 #define WIN32_GDI_FAILED(api) WIN32_API_FAILED (api)
 236 #define OTHER_API_FAILED(api) _gdk_other_api_failed (G_STRLOC, api)
 237
 238 /* These two macros call a GDI or other Win32 API and if the return
 239  * value is zero or NULL, print a warning message. The majority of GDI
 240  * calls return zero or NULL on failure. The value of the macros is nonzero
 241  * if the call succeeded, zero otherwise.
 242  */
 243
 244 #define GDI_CALL(api, arglist) (api arglist ? 1 : (WIN32_GDI_FAILED (#api), 0))
 245 #define API_CALL(api, arglist) (api arglist ? 1 : (WIN32_API_FAILED (#api), 0))
 246
 247 extern LRESULT CALLBACK _gdk_win32_window_procedure (HWND, UINT, WPARAM, LPARAM);
 248
 249 extern GdkWindow        *_gdk_root;
 250
 251 extern GdkDisplay       *_gdk_display;
 252 extern GdkScreen        *_gdk_screen;
 253
 254 extern gint              _gdk_num_monitors;
 255 typedef struct _GdkWin32Monitor GdkWin32Monitor;
 256 struct _GdkWin32Monitor
 257 {
 258   gchar *name;
 259   gint width_mm, height_mm;
 260   GdkRectangle rect;
 261 };
 262 extern GdkWin32Monitor  *_gdk_monitors;
 263
 264 /* Offsets to add to Windows coordinates (which are relative to the
 265  * primary monitor's origin, and thus might be negative for monitors
 266  * to the left and/or above the primary monitor) to get GDK
 267  * coordinates, which should be non-negative on the whole screen.
 268  */
 269 extern gint              _gdk_offset_x, _gdk_offset_y;
 270
 271 extern HDC               _gdk_display_hdc;
 272 extern HINSTANCE         _gdk_dll_hinstance;
 273 extern HINSTANCE         _gdk_app_hmodule;
 274
 275 /* These are thread specific, but GDK/win32 works OK only when invoked
 276  * from a single thread anyway.
 277  */
 278 extern HKL               _gdk_input_locale;
 279 extern gboolean          _gdk_input_locale_is_ime;
 280 extern UINT              _gdk_input_codepage;
 281
 282 extern guint             _gdk_keymap_serial;
 283 extern gboolean          _gdk_keyboard_has_altgr;
 284 extern guint             _scancode_rshift;
 285
 286 /* GdkAtoms: properties, targets and types */
 287 extern GdkAtom           _gdk_selection;
 288 extern GdkAtom           _wm_transient_for;
 289 extern GdkAtom           _targets;
 290 extern GdkAtom           _delete;
 291 extern GdkAtom           _save_targets;
 292 extern GdkAtom           _utf8_string;
 293 extern GdkAtom           _text;
 294 extern GdkAtom           _compound_text;
 295 extern GdkAtom           _text_uri_list;
 296 extern GdkAtom           _text_html;
 297 extern GdkAtom           _image_png;
 298 extern GdkAtom           _image_jpeg;
 299 extern GdkAtom           _image_bmp;
 300 extern GdkAtom           _image_gif;
 301
 302 /* DND selections */
 303 extern GdkAtom           _local_dnd;
 304 extern GdkAtom           _gdk_win32_dropfiles;
 305 extern GdkAtom           _gdk_ole2_dnd;
 306
 307 /* Clipboard formats */
 308 extern UINT              _cf_png;
 309 extern UINT              _cf_jfif;
 310 extern UINT              _cf_gif;
 311 extern UINT              _cf_url;
 312 extern UINT              _cf_html_format;
 313 extern UINT              _cf_text_html;
 314
 315 /* OLE-based DND state */
 316 typedef enum {
 317   GDK_WIN32_DND_NONE,
 318   GDK_WIN32_DND_PENDING,
 319   GDK_WIN32_DND_DROPPED,
 320   GDK_WIN32_DND_FAILED,
 321   GDK_WIN32_DND_DRAGGING,
 322 } GdkWin32DndState;
 323
 324 extern GdkWin32DndState  _dnd_target_state;
 325 extern GdkWin32DndState  _dnd_source_state;
 326
 327 void _gdk_win32_dnd_do_dragdrop (void);
 328 void _gdk_win32_ole2_dnd_property_change (GdkAtom       type,
 329                                           gint          format,
 330                                           const guchar *data,
 331                                           gint          nelements);
 332
 333 void  _gdk_win32_begin_modal_call (void);
 334 void  _gdk_win32_end_modal_call (void);
 335
 336
 337 /* Options */
 338 extern gboolean          _gdk_input_ignore_wintab;
 339 extern gint              _gdk_max_colors;
 340
 341 #define GDK_WIN32_COLORMAP_DATA(cmap) ((GdkColormapPrivateWin32 *) GDK_COLORMAP (cmap)->windowing_data)
 342
 343 /* TRUE while a modal sizing, moving, or dnd operation is in progress */
 344 extern gboolean         _modal_operation_in_progress;
 345
 346 extern HWND             _modal_move_resize_window;
 347
 348 /* TRUE when we are emptying the clipboard ourselves */
 349 extern gboolean         _ignore_destroy_clipboard;
 350
 351 /* Mapping from registered clipboard format id (native) to
 352  * corresponding GdkAtom
 353  */
 354 extern GHashTable       *_format_atom_table;
 355
 356 /* Hold the result of a delayed rendering */
 357 extern HGLOBAL          _delayed_rendering_data;
 358
 359 extern HCURSOR _gdk_win32_grab_cursor;
 360
 361 HGLOBAL _gdk_win32_selection_convert_to_dib (HGLOBAL  hdata,
 362                                              GdkAtom  target);
 363
 364 /* Convert a pixbuf to an HICON (or HCURSOR).  Supports alpha under
 365  * Windows XP, thresholds alpha otherwise.
 366  */
 367 HICON _gdk_win32_pixbuf_to_hicon   (GdkPixbuf *pixbuf);
 368 HICON _gdk_win32_pixbuf_to_hcursor (GdkPixbuf *pixbuf,
 369                                     gint       x_hotspot,
 370                                     gint       y_hotspot);
 371 gboolean _gdk_win32_pixbuf_to_hicon_supports_alpha (void);
 372
 373 /* GdkDisplay member functions */
 374 GdkCursor *_gdk_win32_display_get_cursor_for_type (GdkDisplay   *display,
 375                                                    GdkCursorType cursor_type);
 376 GdkCursor *_gdk_win32_display_get_cursor_for_name (GdkDisplay  *display,
 377                                                    const gchar *name);
 378 GdkCursor *_gdk_win32_display_get_cursor_for_pixbuf (GdkDisplay *display,
 379                                                      GdkPixbuf  *pixbuf,
 380                                                      gint        x,
 381                                                      gint        y);
 382 void     _gdk_win32_display_get_default_cursor_size (GdkDisplay  *display,
 383                                                      guint       *width,
 384                                                      guint       *height);
 385 void     _gdk_win32_display_get_maximal_cursor_size (GdkDisplay  *display,
 386                                                      guint       *width,
 387                                                      guint       *height);
 388 gboolean _gdk_win32_display_supports_cursor_alpha (GdkDisplay    *display);
 389 gboolean _gdk_win32_display_supports_cursor_color (GdkDisplay    *display);
 390
 391 GList *_gdk_win32_display_list_devices (GdkDisplay *dpy);
 392
 393 gboolean _gdk_win32_display_has_pending (GdkDisplay *display);
 394 void _gdk_win32_display_queue_events (GdkDisplay *display);
 395
 396 gboolean _gdk_win32_selection_owner_set_for_display (GdkDisplay *display,
 397                                                      GdkWindow  *owner,
 398                                                      GdkAtom     selection,
 399                                                      guint32     time,
 400                                                      gboolean    send_event);
 401 GdkWindow *_gdk_win32_display_get_selection_owner   (GdkDisplay *display,
 402                                                      GdkAtom     selection);
 403 gboolean   _gdk_win32_display_set_selection_owner   (GdkDisplay *display,
 404                                                      GdkWindow  *owner,
 405                                                      GdkAtom     selection,
 406                                                      guint32     time,
 407                                                      gboolean    send_event);
 408 void       _gdk_win32_display_send_selection_notify (GdkDisplay      *display,
 409                                                      GdkWindow       *requestor,
 410                                                      GdkAtom          selection,
 411                                                      GdkAtom          target,
 412                                                      GdkAtom          property,
 413                                                      guint32          time);
 414 gint      _gdk_win32_display_get_selection_property (GdkDisplay *display,
 415                                                      GdkWindow  *requestor,
 416                                                      guchar    **data,
 417                                                      GdkAtom    *ret_type,
 418                                                      gint       *ret_format);
 419 void      _gdk_win32_display_convert_selection (GdkDisplay *display,
 420                                                 GdkWindow *requestor,
 421                                                 GdkAtom    selection,
 422                                                 GdkAtom    target,
 423                                                 guint32    time);
 424 gint      _gdk_win32_display_text_property_to_utf8_list (GdkDisplay    *display,
 425                                                          GdkAtom        encoding,
 426                                                          gint           format,
 427                                                          const guchar  *text,
 428                                                          gint           length,
 429                                                          gchar       ***list);
 430 gchar     *_gdk_win32_display_utf8_to_string_target (GdkDisplay *display, const gchar *str);
 431
 432 GdkKeymap *_gdk_win32_display_get_keymap (GdkDisplay *display);
 433
 434 void       _gdk_win32_display_create_window_impl   (GdkDisplay    *display,
 435                                                     GdkWindow     *window,
 436                                                     GdkWindow     *real_parent,
 437                                                     GdkScreen     *screen,
 438                                                     GdkEventMask   event_mask,
 439                                                     GdkWindowAttr *attributes,
 440                                                     gint           attributes_mask);
 441
 442 /* stray GdkWindowImplWin32 members */
 443 void _gdk_win32_window_register_dnd (GdkWindow *window);
 444 GdkDragContext *_gdk_win32_window_drag_begin (GdkWindow *window, GdkDevice *device, GList *targets);
 445 gboolean _gdk_win32_window_simulate_key (GdkWindow      *window,
 446                                   gint            x,
 447                                   gint            y,
 448                                   guint           keyval,
 449                                   GdkModifierType modifiers,
 450                                   GdkEventType    key_pressrelease);
 451 gboolean _gdk_win32_window_simulate_button (GdkWindow      *window,
 452                                      gint            x,
 453                                      gint            y,
 454                                      guint           button, /*1..3*/
 455                                      GdkModifierType modifiers,
 456                                      GdkEventType    button_pressrelease);
 457
 458 gint _gdk_win32_window_get_property (GdkWindow   *window,
 459                                      GdkAtom      property,
 460                                      GdkAtom      type,
 461                                      gulong       offset,
 462                                      gulong       length,
 463                                      gint         pdelete,
 464                                      GdkAtom     *actual_property_type,
 465                                      gint        *actual_format_type,
 466                                      gint        *actual_length,
 467                                      guchar     **data);
 468 void _gdk_win32_window_change_property (GdkWindow    *window,
 469                                         GdkAtom       property,
 470                                         GdkAtom       type,
 471                                         gint          format,
 472                                         GdkPropMode   mode,
 473                                         const guchar *data,
 474                                         gint          nelements);
 475 void _gdk_win32_window_delete_property (GdkWindow *window, GdkAtom    property);
 476
 477 /* Stray GdkWin32Screen members */
 478 GdkVisual *_gdk_win32_screen_get_system_visual (GdkScreen *screen);
 479 gboolean _gdk_win32_screen_get_setting (GdkScreen   *screen, const gchar *name, GValue *value);
 480 gint _gdk_win32_screen_visual_get_best_depth (GdkScreen *screen);
 481 GdkVisualType _gdk_win32_screen_visual_get_best_type (GdkScreen *screen);
 482 GdkVisual *_gdk_win32_screen_visual_get_best (GdkScreen *screen);
 483 GdkVisual *_gdk_win32_screen_visual_get_best_with_depth (GdkScreen *screen, gint depth);
 484 GdkVisual *_gdk_win32_screen_visual_get_best_with_type (GdkScreen *screen, GdkVisualType visual_type);
 485 GdkVisual *_gdk_win32_screen_visual_get_best_with_both (GdkScreen *screen, gint depth, GdkVisualType visual_type);
 486 void _gdk_win32_screen_query_depths  (GdkScreen *screen, gint **depths, gint  *count);
 487 void _gdk_win32_screen_query_visual_types (GdkScreen      *screen,
 488                                            GdkVisualType **visual_types,
 489                                            gint           *count);
 490 GList *_gdk_win32_screen_list_visuals (GdkScreen *screen);
 491
 492 /* Distributed display manager implementation */
 493 GdkDisplay *_gdk_win32_display_open (const gchar *display_name);
 494 GdkAtom _gdk_win32_display_manager_atom_intern (GdkDisplayManager *manager,
 495                                                 const gchar *atom_name,
 496                                                 gint         only_if_exists);
 497 gchar *_gdk_win32_display_manager_get_atom_name (GdkDisplayManager *manager,
 498                                                  GdkAtom            atom);
 499 void _gdk_win32_append_event (GdkEvent *event);
 500 void _gdk_win32_emit_configure_event (GdkWindow *window);
 501
 502 /* Initialization */
 503 void _gdk_win32_windowing_init (void);
 504 void _gdk_windowing_window_init (GdkScreen *screen);
 505 void _gdk_root_window_size_init (void);
 506 void _gdk_monitor_init(void);
 507 void _gdk_visual_init (void);
 508 void _gdk_dnd_init    (void);
 509 void _gdk_events_init (void);
 510 void _gdk_input_init  (GdkDisplay *display);
 511 void _gdk_input_wintab_init_check (GdkDeviceManager *device_manager);
 512
 513 #endif /* __GDK_PRIVATE_WIN32_H__ */