Dogcows Code - chaz/openbox/blob - openbox/client.h

   1 #ifndef __client_h
   2 #define __client_h
   3
   4 #include "misc.h"
   5 #include "mwm.h"
   6 #include "geom.h"
   7 #include "stacking.h"
   8 #include "render/color.h"
   9
  10 #include <glib.h>
  11 #include <X11/Xlib.h>
  12
  13 struct _ObFrame;
  14 struct _ObGroup;
  15 struct _ObSessionState;
  16
  17 typedef struct _ObClient     ObClient;
  18 typedef struct _ObClientIcon ObClientIcon;
  19
  20 /* The value in client.transient_for indicating it is a transient for its
  21    group instead of for a single window */
  22 #define OB_TRAN_GROUP ((void*)~0l)
  23
  24 /*! Holds an icon in ARGB format */
  25 struct _ObClientIcon
  26 {
  27     gint width;
  28     gint height;
  29     RrPixel32 *data;
  30 };
  31
  32 /*! Possible window types */
  33 typedef enum
  34 {
  35     OB_CLIENT_TYPE_DESKTOP, /*!< A desktop (bottom-most window) */
  36     OB_CLIENT_TYPE_DOCK,    /*!< A dock bar/panel window */
  37     OB_CLIENT_TYPE_TOOLBAR, /*!< A toolbar window, pulled off an app */
  38     OB_CLIENT_TYPE_MENU,    /*!< An unpinned menu from an app */
  39     OB_CLIENT_TYPE_UTILITY, /*!< A small utility window such as a palette */
  40     OB_CLIENT_TYPE_SPLASH,  /*!< A splash screen window */
  41     OB_CLIENT_TYPE_DIALOG,  /*!< A dialog window */
  42     OB_CLIENT_TYPE_NORMAL   /*!< A normal application window */
  43 } ObClientType;
  44
  45 /*! The things the user can do to the client window */
  46 typedef enum
  47 {
  48     OB_CLIENT_FUNC_RESIZE     = 1 << 0, /*!< Allow user resizing */
  49     OB_CLIENT_FUNC_MOVE       = 1 << 1, /*!< Allow user moving */
  50     OB_CLIENT_FUNC_ICONIFY    = 1 << 2, /*!< Allow to be iconified */
  51     OB_CLIENT_FUNC_MAXIMIZE   = 1 << 3, /*!< Allow to be maximized */
  52     OB_CLIENT_FUNC_SHADE      = 1 << 4, /*!< Allow to be shaded */
  53     OB_CLIENT_FUNC_FULLSCREEN = 1 << 5, /*!< Allow to be made fullscreen */
  54     OB_CLIENT_FUNC_CLOSE      = 1 << 6  /*!< Allow to be closed */
  55 } ObFunctions;
  56
  57 struct _ObClient
  58 {
  59     ObWindow obwin;
  60
  61     Window  window;
  62
  63     /*! The window's decorations. NULL while the window is being managed! */
  64     struct _ObFrame *frame;
  65
  66     /*! The number of unmap events to ignore on the window */
  67     int ignore_unmaps;
  68
  69     /*! The id of the group the window belongs to */
  70     struct _ObGroup *group;
  71
  72     /*! Saved session data to apply to this client */
  73     struct _ObSessionState *session;
  74
  75     /*! Whether or not the client is a transient window. This is guaranteed to
  76       be TRUE if transient_for != NULL, but not guaranteed to be FALSE if
  77       transient_for == NULL. */
  78     gboolean transient;
  79     /*! The client which this client is a transient (child) for.
  80       A value of TRAN_GROUP signifies that the window is a transient for all
  81       members of its ObGroup, and is not a valid pointer to be followed in this
  82       case.
  83      */
  84     ObClient *transient_for;
  85     /*! The clients which are transients (children) of this client */
  86     GSList *transients;
  87     /*! The desktop on which the window resides (0xffffffff for all
  88       desktops) */
  89     guint desktop;
  90
  91     /*! The startup id for the startup-notification protocol. This will be
  92       NULL if a startup id is not set. */
  93     gchar *startup_id;
  94
  95     /*! Normal window title */
  96     gchar *title;
  97     /*! The count for the title. When another window with the same title
  98       exists, a count will be appended to it. */
  99     guint title_count;
 100     /*! Window title when iconified */
 101     gchar *icon_title;
 102
 103     /*! The application that created the window */
 104     gchar *name;
 105     /*! The class of the window, can used for grouping */
 106     gchar *class;
 107     /*! The specified role of the window, used for identification */
 108     gchar *role;
 109
 110     /*! The type of window (what its function is) */
 111     ObClientType type;
 112
 113     /*! Position and size of the window
 114       This will not always be the actual position of the window on screen, it
 115       is, rather, the position requested by the client, to which the window's
 116       gravity is applied.
 117     */
 118     Rect area;
 119
 120     /*! The window's strut
 121       The strut defines areas of the screen that are marked off-bounds for
 122       window placement. In theory, where this window exists.
 123     */
 124     StrutPartial strut;
 125
 126     /*! The logical size of the window
 127       The "logical" size of the window is refers to the user's perception of
 128       the size of the window, and is the value that should be displayed to the
 129       user. For example, with xterms, this value it the number of characters
 130       being displayed in the terminal, instead of the number of pixels.
 131     */
 132     Size logical_size;
 133
 134     /*! Width of the border on the window.
 135       The window manager will set this to 0 while the window is being managed,
 136       but needs to restore it afterwards, so it is saved here.
 137     */
 138     guint border_width;
 139
 140     /*! The minimum aspect ratio the client window can be sized to.
 141       A value of 0 means this is ignored.
 142     */
 143     float min_ratio;
 144     /*! The maximum aspect ratio the client window can be sized to.
 145       A value of 0 means this is ignored.
 146     */
 147     float max_ratio;
 148
 149     /*! The minimum size of the client window
 150       If the min is > the max, then the window is not resizable
 151     */
 152     Size min_size;
 153     /*! The maximum size of the client window
 154       If the min is > the max, then the window is not resizable
 155     */
 156     Size max_size;
 157     /*! The size of increments to resize the client window by */
 158     Size size_inc;
 159     /*! The base size of the client window
 160       This value should be subtracted from the window's actual size when
 161       displaying its size to the user, or working with its min/max size
 162     */
 163     Size base_size;
 164
 165     /*! Window decoration and functionality hints */
 166     ObMwmHints mwmhints;
 167
 168     /*! Where to place the decorated window in relation to the undecorated
 169       window */
 170     int gravity;
 171
 172     /*! The state of the window, one of WithdrawnState, IconicState, or
 173       NormalState */
 174     long wmstate;
 175
 176     /*! True if the client supports the delete_window protocol */
 177     gboolean delete_window;
 178
 179     /*! Was the window's position requested by the application? if not, we
 180       should place the window ourselves when it first appears */
 181     gboolean positioned;
 182
 183     /*! Can the window receive input focus? */
 184     gboolean can_focus;
 185     /*! Urgency flag */
 186     gboolean urgent;
 187     /*! Notify the window when it receives focus? */
 188     gboolean focus_notify;
 189
 190     /*! The window uses shape extension to be non-rectangular? */
 191     gboolean shaped;
 192
 193     /*! The window is modal, so it must be processed before any windows it is
 194       related to can be focused */
 195     gboolean modal;
 196     /*! Only the window's titlebar is displayed */
 197     gboolean shaded;
 198     /*! The window is iconified */
 199     gboolean iconic;
 200     /*! The window is maximized to fill the screen vertically */
 201     gboolean max_vert;
 202     /*! The window is maximized to fill the screen horizontally */
 203     gboolean max_horz;
 204     /*! The window should not be displayed by pagers */
 205     gboolean skip_pager;
 206     /*! The window should not be displayed by taskbars */
 207     gboolean skip_taskbar;
 208     /*! The window is a 'fullscreen' window, and should be on top of all
 209       others */
 210     gboolean fullscreen;
 211     /*! The window should be on top of other windows of the same type.
 212       above takes priority over below. */
 213     gboolean above;
 214     /*! The window should be underneath other windows of the same type.
 215       above takes priority over below. */
 216     gboolean below;
 217
 218     /*! The layer in which the window will be stacked, windows in lower layers
 219       are always below windows in higher layers. */
 220     ObStackingLayer layer;
 221
 222     /*! A bitmask of values in the ObFrameDecorations enum
 223       The values in the variable are the decorations that the client wants to
 224       be displayed around it.
 225     */
 226     guint decorations;
 227
 228     /*! A user option. When this is set to FALSE the client will not ever
 229       be decorated.
 230     */
 231     gboolean decorate;
 232
 233     /*! A bitmask of values in the ObFunctions enum
 234       The values in the variable specify the ways in which the user is allowed
 235       to modify this window.
 236     */
 237     guint functions;
 238
 239     /*! Icons for the client as specified on the client window */
 240     ObClientIcon *icons;
 241     /*! The number of icons in icons */
 242     guint nicons;
 243 };
 244
 245 extern GList *client_list;
 246
 247 void client_startup(gboolean reconfig);
 248 void client_shutdown(gboolean reconfig);
 249
 250 void client_add_destructor(GDestroyNotify func);
 251 void client_remove_destructor(GDestroyNotify func);
 252
 253 /*! Manages all existing windows */
 254 void client_manage_all();
 255 /*! Manages a given window */
 256 void client_manage(Window win);
 257 /*! Unmanages all managed windows */
 258 void client_unmanage_all();
 259 /*! Unmanages a given client */
 260 void client_unmanage(ObClient *client);
 261
 262 /*! Sets the client list on the root window from the client_list */
 263 void client_set_list();
 264
 265 /*! Determines if the client should be shown or hidden currently.
 266   @return TRUE if it should be visible; otherwise, FALSE.
 267 */
 268 gboolean client_should_show(ObClient *self);
 269
 270 /*! Returns if the window should be treated as a normal window.
 271   Some windows (desktops, docks, splash screens) have special rules applied
 272   to them in a number of places regarding focus or user interaction. */
 273 gboolean client_normal(ObClient *self);
 274
 275 /* Returns if the window is focused */
 276 gboolean client_focused(ObClient *self);
 277
 278 #define client_move(self, x, y) \
 279   client_configure(self, OB_CORNER_TOPLEFT, x, y, \
 280                    self->area.width, self->area.height, \
 281                    TRUE, TRUE)
 282 #define client_resize(self, w, h) \
 283   client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y, \
 284                    w, h, TRUE, TRUE)
 285 #define client_move_resize(self, x, y, w, h) \
 286   client_configure(self, OB_CORNER_TOPLEFT, x, y, w, h, TRUE, TRUE)
 287
 288 #define client_configure(self, anchor, x, y, w, h, user, final) \
 289   client_configure_full(self, anchor, x, y, w, h, user, final, FALSE)
 290
 291 /*! Move and/or resize the window.
 292   This also maintains things like the client's minsize, and size increments.
 293   @param anchor The corner to keep in the same position when resizing.
 294   @param x The x coordiante of the new position for the client.
 295   @param y The y coordiante of the new position for the client.
 296   @param w The width component of the new size for the client.
 297   @param h The height component of the new size for the client.
 298   @param user Specifies whether this is a user-requested change or a
 299               program requested change. For program requested changes, the
 300               constraints are not checked.
 301   @param final If user is true, then this should specify if this is a final
 302                configuration. e.g. Final should be FALSE if doing an
 303                interactive move/resize, and then be TRUE for the last call
 304                only.
 305   @param force_reply Send a ConfigureNotify to the client regardless of if
 306                      the position changed.
 307 */
 308 void client_configure_full(ObClient *self, ObCorner anchor,
 309                            int x, int y, int w, int h,
 310                            gboolean user, gboolean final,
 311                            gboolean force_reply);
 312
 313 void client_reconfigure(ObClient *self);
 314
 315 /*! Finds coordinates to keep a client on the screen.
 316   @param self The client
 317   @param x The x coord of the client, may be changed.
 318   @param y The y coord of the client, may be changed.
 319   @param w The width of the client.
 320   @param w The height of the client.
 321   @param rude Be rude about it. If false, it is only moved if it is entirely
 322               not visible. If true, then make sure the window is inside the
 323               struts if possible.
 324   @return true if the client was moved to be on-screen; false if not.
 325 */
 326 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
 327                               gboolean rude);
 328
 329 /*! Moves a client so that it is on screen if it is entirely out of the
 330   viewable screen.
 331   @param self The client to move
 332   @param rude Be rude about it. If false, it is only moved if it is entirely
 333               not visible. If true, then make sure the window is inside the
 334               struts if possible.
 335 */
 336 void client_move_onscreen(ObClient *self, gboolean rude);
 337
 338 /*! Fullscreen's or unfullscreen's the client window
 339   @param fs true if the window should be made fullscreen; false if it should
 340             be returned to normal state.
 341   @param savearea true to have the client's current size and position saved;
 342                   otherwise, they are not. You should not save when mapping a
 343                   new window that is set to fullscreen. This has no effect
 344                   when restoring a window from fullscreen.
 345 */
 346 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea);
 347
 348 /*! Iconifies or uniconifies the client window
 349   @param iconic true if the window should be iconified; false if it should be
 350                 restored.
 351   @param curdesk If iconic is FALSE, then this determines if the window will
 352                  be uniconified to the current viewable desktop (true) or to
 353                  its previous desktop (false)
 354 */
 355 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk);
 356
 357 /*! Maximize or unmaximize the client window
 358   @param max true if the window should be maximized; false if it should be
 359              returned to normal size.
 360   @param dir 0 to set both horz and vert, 1 to set horz, 2 to set vert.
 361   @param savearea true to have the client's current size and position saved;
 362                   otherwise, they are not. You should not save when mapping a
 363                   new window that is set to fullscreen. This has no effect
 364                   when unmaximizing a window.
 365 */
 366 void client_maximize(ObClient *self, gboolean max, int dir,
 367                      gboolean savearea);
 368
 369 /*! Shades or unshades the client window
 370   @param shade true if the window should be shaded; false if it should be
 371                unshaded.
 372 */
 373 void client_shade(ObClient *self, gboolean shade);
 374
 375 /*! Request the client to close its window */
 376 void client_close(ObClient *self);
 377
 378 /*! Kill the client off violently */
 379 void client_kill(ObClient *self);
 380
 381 /*! Sends the window to the specified desktop
 382   @param donthide If TRUE, the window will not be shown/hidden after its
 383          desktop has been changed. Generally this should be FALSE. */
 384 void client_set_desktop(ObClient *self, guint target, gboolean donthide);
 385
 386 /*! Validate client, by making sure no Destroy or Unmap events exist in
 387   the event queue for the window.
 388   @return true if the client is valid; false if the client has already
 389           been unmapped/destroyed, and so is invalid.
 390 */
 391 gboolean client_validate(ObClient *self);
 392
 393 /*! Sets the wm_state to the specified value */
 394 void client_set_wm_state(ObClient *self, long state);
 395
 396 /*! Adjusts the window's net_state
 397   This should not be called as part of the window mapping process! It is for
 398   use when updating the state post-mapping.<br>
 399   client_apply_startup_state is used to do the same things during the mapping
 400   process.
 401 */
 402 void client_set_state(ObClient *self, Atom action, long data1, long data2);
 403
 404 /* Given a ObClient, find the client that focus would actually be sent to if
 405    you wanted to give focus to the specified ObClient. Will return the same
 406    ObClient passed to it or another ObClient if appropriate. */
 407 ObClient *client_focus_target(ObClient *self);
 408
 409 /*! Returns what client_focus would return if passed the same client, but
 410   without focusing it or modifying the focus order lists. */
 411 gboolean client_can_focus(ObClient *self);
 412
 413 /*! Attempt to focus the client window */
 414 gboolean client_focus(ObClient *self);
 415
 416 /*! Remove focus from the client window */
 417 void client_unfocus(ObClient *self);
 418
 419 /*! Activates the client for use, focusing, uniconifying it, etc. To be used
 420   when the user deliberately selects a window for use.
 421   @param here If true, then the client is brought to the current desktop;
 422               otherwise, the desktop is changed to where the client lives.
 423 */
 424 void client_activate(ObClient *self, gboolean here);
 425
 426 /*! Calculates the stacking layer for the client window */
 427 void client_calc_layer(ObClient *self);
 428
 429 /*! Updates the window's transient status, and any parents of it */
 430 void client_update_transient_for(ObClient *self);
 431 /*! Update the protocols that the window supports and adjusts things if they
 432   change */
 433 void client_update_protocols(ObClient *self);
 434 /*! Updates the WMNormalHints and adjusts things if they change */
 435 void client_update_normal_hints(ObClient *self);
 436
 437 /*! Updates the WMHints and adjusts things if they change
 438   @param initstate Whether to read the initial_state property from the
 439                    WMHints. This should only be used during the mapping
 440                    process.
 441 */
 442 void client_update_wmhints(ObClient *self);
 443 /*! Updates the window's title and icon title */
 444 void client_update_title(ObClient *self);
 445 /*! Updates the window's application name and class */
 446 void client_update_class(ObClient *self);
 447 /*! Updates the strut for the client */
 448 void client_update_strut(ObClient *self);
 449 /*! Updates the window's icons */
 450 void client_update_icons(ObClient *self);
 451
 452 /*! Set up what decor should be shown on the window and what functions should
 453   be allowed (ObClient::decorations and ObClient::functions).
 454   This also updates the NET_WM_ALLOWED_ACTIONS hint.
 455 */
 456 void client_setup_decor_and_functions(ObClient *self);
 457
 458 /*! Retrieves the window's type and sets ObClient->type */
 459 void client_get_type(ObClient *self);
 460
 461 ObClientIcon *client_icon(ObClient *self, int w, int h);
 462
 463 /*! Searches a client's transients for a focused window. The function does not
 464   check for the passed client, only for its transients.
 465   If no focused transient is found, NULL is returned.
 466 */
 467 ObClient *client_search_focus_tree(ObClient *self);
 468
 469 /*! Searches a client's transient tree for a focused window. The function
 470   searches up the tree and down other branches as well as the passed client's.
 471   If no focused client is found, NULL is returned.
 472 */
 473 ObClient *client_search_focus_tree_full(ObClient *self);
 474
 475 /*! Return a modal child of the client window that can be focused.
 476     @return A modal child of the client window that can be focused, or 0 if
 477             none was found.
 478 */
 479 ObClient *client_search_modal_child(ObClient *self);
 480
 481 ObClient *client_search_top_transient(ObClient *self);
 482
 483 ObClient *client_search_transient(ObClient *self, ObClient *search);
 484
 485 /*! Return the "closest" client in the given direction */
 486 ObClient *client_find_directional(ObClient *c, ObDirection dir);
 487
 488 /*! Return the closest edge in the given direction */
 489 int client_directional_edge_search(ObClient *c, ObDirection dir);
 490
 491 /*! Set a client window to be above/below other clients.
 492   @layer < 0 indicates the client should be placed below other clients.<br>
 493          = 0 indicates the client should be placed with other clients.<br>
 494          > 0 indicates the client should be placed above other clients.
 495 */
 496 void client_set_layer(ObClient *self, int layer);
 497
 498 guint client_monitor(ObClient *self);
 499
 500 gchar* client_get_sm_client_id(ObClient *self);
 501
 502 #endif