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

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    client.h for the Openbox window manager
   4    Copyright (c) 2003        Ben Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program 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
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #ifndef __client_h
  20 #define __client_h
  21
  22 #include "misc.h"
  23 #include "mwm.h"
  24 #include "geom.h"
  25 #include "stacking.h"
  26 #include "render/color.h"
  27
  28 #include <glib.h>
  29 #include <X11/Xlib.h>
  30
  31 struct _ObFrame;
  32 struct _ObGroup;
  33 struct _ObSessionState;
  34
  35 typedef struct _ObClient     ObClient;
  36 typedef struct _ObClientIcon ObClientIcon;
  37
  38 /* The value in client.transient_for indicating it is a transient for its
  39    group instead of for a single window */
  40 #define OB_TRAN_GROUP ((void*)~0l)
  41
  42 /*! Holds an icon in ARGB format */
  43 struct _ObClientIcon
  44 {
  45     gint width;
  46     gint height;
  47     RrPixel32 *data;
  48 };
  49
  50 /*! Possible window types */
  51 typedef enum
  52 {
  53     OB_CLIENT_TYPE_DESKTOP, /*!< A desktop (bottom-most window) */
  54     OB_CLIENT_TYPE_DOCK,    /*!< A dock bar/panel window */
  55     OB_CLIENT_TYPE_TOOLBAR, /*!< A toolbar window, pulled off an app */
  56     OB_CLIENT_TYPE_MENU,    /*!< An unpinned menu from an app */
  57     OB_CLIENT_TYPE_UTILITY, /*!< A small utility window such as a palette */
  58     OB_CLIENT_TYPE_SPLASH,  /*!< A splash screen window */
  59     OB_CLIENT_TYPE_DIALOG,  /*!< A dialog window */
  60     OB_CLIENT_TYPE_NORMAL   /*!< A normal application window */
  61 } ObClientType;
  62
  63 /*! The things the user can do to the client window */
  64 typedef enum
  65 {
  66     OB_CLIENT_FUNC_RESIZE     = 1 << 0, /*!< Allow user resizing */
  67     OB_CLIENT_FUNC_MOVE       = 1 << 1, /*!< Allow user moving */
  68     OB_CLIENT_FUNC_ICONIFY    = 1 << 2, /*!< Allow to be iconified */
  69     OB_CLIENT_FUNC_MAXIMIZE   = 1 << 3, /*!< Allow to be maximized */
  70     OB_CLIENT_FUNC_SHADE      = 1 << 4, /*!< Allow to be shaded */
  71     OB_CLIENT_FUNC_FULLSCREEN = 1 << 5, /*!< Allow to be made fullscreen */
  72     OB_CLIENT_FUNC_CLOSE      = 1 << 6  /*!< Allow to be closed */
  73 } ObFunctions;
  74
  75 struct _ObClient
  76 {
  77     ObWindow obwin;
  78
  79     Window  window;
  80
  81     /*! The window's decorations. NULL while the window is being managed! */
  82     struct _ObFrame *frame;
  83
  84     /*! The number of unmap events to ignore on the window */
  85     int ignore_unmaps;
  86
  87     /*! The id of the group the window belongs to */
  88     struct _ObGroup *group;
  89
  90     /*! Saved session data to apply to this client */
  91     struct _ObSessionState *session;
  92
  93     /*! Whether or not the client is a transient window. This is guaranteed to
  94       be TRUE if transient_for != NULL, but not guaranteed to be FALSE if
  95       transient_for == NULL. */
  96     gboolean transient;
  97     /*! The client which this client is a transient (child) for.
  98       A value of TRAN_GROUP signifies that the window is a transient for all
  99       members of its ObGroup, and is not a valid pointer to be followed in this
 100       case.
 101      */
 102     ObClient *transient_for;
 103     /*! The clients which are transients (children) of this client */
 104     GSList *transients;
 105     /*! The desktop on which the window resides (0xffffffff for all
 106       desktops) */
 107     guint desktop;
 108
 109     /*! The startup id for the startup-notification protocol. This will be
 110       NULL if a startup id is not set. */
 111     gchar *startup_id;
 112
 113     /*! Normal window title */
 114     gchar *title;
 115     /*! The count for the title. When another window with the same title
 116       exists, a count will be appended to it. */
 117     guint title_count;
 118     /*! Window title when iconified */
 119     gchar *icon_title;
 120
 121     /*! The application that created the window */
 122     gchar *name;
 123     /*! The class of the window, can used for grouping */
 124     gchar *class;
 125     /*! The specified role of the window, used for identification */
 126     gchar *role;
 127     /*! The session client id for the window. *This can be NULL!* */
 128     gchar *sm_client_id;
 129
 130     /*! The type of window (what its function is) */
 131     ObClientType type;
 132
 133     /*! Position and size of the window
 134       This will not always be the actual position of the window on screen, it
 135       is, rather, the position requested by the client, to which the window's
 136       gravity is applied.
 137     */
 138     Rect area;
 139
 140     /*! Position and size of the window prior to being maximized */
 141     Rect pre_max_area;
 142     /*! Position and size of the window prior to being fullscreened */
 143     Rect pre_fullscreen_area;
 144
 145     /*! The window's strut
 146       The strut defines areas of the screen that are marked off-bounds for
 147       window placement. In theory, where this window exists.
 148     */
 149     StrutPartial strut;
 150
 151     /*! The logical size of the window
 152       The "logical" size of the window is refers to the user's perception of
 153       the size of the window, and is the value that should be displayed to the
 154       user. For example, with xterms, this value it the number of characters
 155       being displayed in the terminal, instead of the number of pixels.
 156     */
 157     Size logical_size;
 158
 159     /*! Width of the border on the window.
 160       The window manager will set this to 0 while the window is being managed,
 161       but needs to restore it afterwards, so it is saved here.
 162     */
 163     guint border_width;
 164
 165     /*! The minimum aspect ratio the client window can be sized to.
 166       A value of 0 means this is ignored.
 167     */
 168     float min_ratio;
 169     /*! The maximum aspect ratio the client window can be sized to.
 170       A value of 0 means this is ignored.
 171     */
 172     float max_ratio;
 173
 174     /*! The minimum size of the client window
 175       If the min is > the max, then the window is not resizable
 176     */
 177     Size min_size;
 178     /*! The maximum size of the client window
 179       If the min is > the max, then the window is not resizable
 180     */
 181     Size max_size;
 182     /*! The size of increments to resize the client window by */
 183     Size size_inc;
 184     /*! The base size of the client window
 185       This value should be subtracted from the window's actual size when
 186       displaying its size to the user, or working with its min/max size
 187     */
 188     Size base_size;
 189
 190     /*! Window decoration and functionality hints */
 191     ObMwmHints mwmhints;
 192
 193     /*! Where to place the decorated window in relation to the undecorated
 194       window */
 195     int gravity;
 196
 197     /*! The state of the window, one of WithdrawnState, IconicState, or
 198       NormalState */
 199     long wmstate;
 200
 201     /*! True if the client supports the delete_window protocol */
 202     gboolean delete_window;
 203
 204     /*! Was the window's position requested by the application? if not, we
 205       should place the window ourselves when it first appears */
 206     gboolean positioned;
 207
 208     /*! Can the window receive input focus? */
 209     gboolean can_focus;
 210     /*! Urgency flag */
 211     gboolean urgent;
 212     /*! Notify the window when it receives focus? */
 213     gboolean focus_notify;
 214
 215     /*! The window uses shape extension to be non-rectangular? */
 216     gboolean shaped;
 217
 218     /*! The window is modal, so it must be processed before any windows it is
 219       related to can be focused */
 220     gboolean modal;
 221     /*! Only the window's titlebar is displayed */
 222     gboolean shaded;
 223     /*! The window is iconified */
 224     gboolean iconic;
 225     /*! The window is maximized to fill the screen vertically */
 226     gboolean max_vert;
 227     /*! The window is maximized to fill the screen horizontally */
 228     gboolean max_horz;
 229     /*! The window should not be displayed by pagers */
 230     gboolean skip_pager;
 231     /*! The window should not be displayed by taskbars */
 232     gboolean skip_taskbar;
 233     /*! The window is a 'fullscreen' window, and should be on top of all
 234       others */
 235     gboolean fullscreen;
 236     /*! The window should be on top of other windows of the same type.
 237       above takes priority over below. */
 238     gboolean above;
 239     /*! The window should be underneath other windows of the same type.
 240       above takes priority over below. */
 241     gboolean below;
 242
 243     /*! The layer in which the window will be stacked, windows in lower layers
 244       are always below windows in higher layers. */
 245     ObStackingLayer layer;
 246
 247     /*! A bitmask of values in the ObFrameDecorations enum
 248       The values in the variable are the decorations that the client wants to
 249       be displayed around it.
 250     */
 251     guint decorations;
 252
 253     /*! A user option. When this is set to TRUE the client will not ever
 254       be decorated.
 255     */
 256     gboolean undecorated;
 257
 258     /*! A bitmask of values in the ObFunctions enum
 259       The values in the variable specify the ways in which the user is allowed
 260       to modify this window.
 261     */
 262     guint functions;
 263
 264     /*! Icons for the client as specified on the client window */
 265     ObClientIcon *icons;
 266     /*! The number of icons in icons */
 267     guint nicons;
 268 };
 269
 270 extern GList *client_list;
 271
 272 void client_startup(gboolean reconfig);
 273 void client_shutdown(gboolean reconfig);
 274
 275 void client_add_destructor(GDestroyNotify func);
 276 void client_remove_destructor(GDestroyNotify func);
 277
 278 /*! Manages all existing windows */
 279 void client_manage_all();
 280 /*! Manages a given window */
 281 void client_manage(Window win);
 282 /*! Unmanages all managed windows */
 283 void client_unmanage_all();
 284 /*! Unmanages a given client */
 285 void client_unmanage(ObClient *client);
 286
 287 /*! Sets the client list on the root window from the client_list */
 288 void client_set_list();
 289
 290 /*! Determines if the client should be shown or hidden currently.
 291   @return TRUE if it should be visible; otherwise, FALSE.
 292 */
 293 gboolean client_should_show(ObClient *self);
 294
 295 /*! Returns if the window should be treated as a normal window.
 296   Some windows (desktops, docks, splash screens) have special rules applied
 297   to them in a number of places regarding focus or user interaction. */
 298 gboolean client_normal(ObClient *self);
 299
 300 /* Returns if the window is focused */
 301 gboolean client_focused(ObClient *self);
 302
 303 #define client_move(self, x, y) \
 304   client_configure(self, OB_CORNER_TOPLEFT, x, y, \
 305                    self->area.width, self->area.height, \
 306                    TRUE, TRUE)
 307 #define client_resize(self, w, h) \
 308   client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y, \
 309                    w, h, TRUE, TRUE)
 310 #define client_move_resize(self, x, y, w, h) \
 311   client_configure(self, OB_CORNER_TOPLEFT, x, y, w, h, TRUE, TRUE)
 312
 313 #define client_configure(self, anchor, x, y, w, h, user, final) \
 314   client_configure_full(self, anchor, x, y, w, h, user, final, FALSE)
 315
 316 /*! Move and/or resize the window.
 317   This also maintains things like the client's minsize, and size increments.
 318   @param anchor The corner to keep in the same position when resizing.
 319   @param x The x coordiante of the new position for the client.
 320   @param y The y coordiante of the new position for the client.
 321   @param w The width component of the new size for the client.
 322   @param h The height component of the new size for the client.
 323   @param user Specifies whether this is a user-requested change or a
 324               program requested change. For program requested changes, the
 325               constraints are not checked.
 326   @param final If user is true, then this should specify if this is a final
 327                configuration. e.g. Final should be FALSE if doing an
 328                interactive move/resize, and then be TRUE for the last call
 329                only.
 330   @param force_reply Send a ConfigureNotify to the client regardless of if
 331                      the position changed.
 332 */
 333 void client_configure_full(ObClient *self, ObCorner anchor,
 334                            int x, int y, int w, int h,
 335                            gboolean user, gboolean final,
 336                            gboolean force_reply);
 337
 338 void client_reconfigure(ObClient *self);
 339
 340 /*! Finds coordinates to keep a client on the screen.
 341   @param self The client
 342   @param x The x coord of the client, may be changed.
 343   @param y The y coord of the client, may be changed.
 344   @param w The width of the client.
 345   @param w The height of the client.
 346   @param rude Be rude about it. If false, it is only moved if it is entirely
 347               not visible. If true, then make sure the window is inside the
 348               struts if possible.
 349   @return true if the client was moved to be on-screen; false if not.
 350 */
 351 gboolean client_find_onscreen(ObClient *self, int *x, int *y, int w, int h,
 352                               gboolean rude);
 353
 354 /*! Moves a client so that it is on screen if it is entirely out of the
 355   viewable screen.
 356   @param self The client to move
 357   @param rude Be rude about it. If false, it is only moved if it is entirely
 358               not visible. If true, then make sure the window is inside the
 359               struts if possible.
 360 */
 361 void client_move_onscreen(ObClient *self, gboolean rude);
 362
 363 /*! Fullscreen's or unfullscreen's the client window
 364   @param fs true if the window should be made fullscreen; false if it should
 365             be returned to normal state.
 366   @param savearea true to have the client's current size and position saved;
 367                   otherwise, they are not. You should not save when mapping a
 368                   new window that is set to fullscreen. This has no effect
 369                   when restoring a window from fullscreen.
 370 */
 371 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea);
 372
 373 /*! Iconifies or uniconifies the client window
 374   @param iconic true if the window should be iconified; false if it should be
 375                 restored.
 376   @param curdesk If iconic is FALSE, then this determines if the window will
 377                  be uniconified to the current viewable desktop (true) or to
 378                  its previous desktop (false)
 379 */
 380 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk);
 381
 382 /*! Maximize or unmaximize the client window
 383   @param max true if the window should be maximized; false if it should be
 384              returned to normal size.
 385   @param dir 0 to set both horz and vert, 1 to set horz, 2 to set vert.
 386   @param savearea true to have the client's current size and position saved;
 387                   otherwise, they are not. You should not save when mapping a
 388                   new window that is set to fullscreen. This has no effect
 389                   when unmaximizing a window.
 390 */
 391 void client_maximize(ObClient *self, gboolean max, int dir,
 392                      gboolean savearea);
 393
 394 /*! Shades or unshades the client window
 395   @param shade true if the window should be shaded; false if it should be
 396                unshaded.
 397 */
 398 void client_shade(ObClient *self, gboolean shade);
 399
 400 /*! Request the client to close its window */
 401 void client_close(ObClient *self);
 402
 403 /*! Kill the client off violently */
 404 void client_kill(ObClient *self);
 405
 406 /*! Sends the window to the specified desktop
 407   @param donthide If TRUE, the window will not be shown/hidden after its
 408          desktop has been changed. Generally this should be FALSE. */
 409 void client_set_desktop(ObClient *self, guint target, gboolean donthide);
 410
 411 /*! Validate client, by making sure no Destroy or Unmap events exist in
 412   the event queue for the window.
 413   @return true if the client is valid; false if the client has already
 414           been unmapped/destroyed, and so is invalid.
 415 */
 416 gboolean client_validate(ObClient *self);
 417
 418 /*! Sets the wm_state to the specified value */
 419 void client_set_wm_state(ObClient *self, long state);
 420
 421 /*! Adjusts the window's net_state
 422   This should not be called as part of the window mapping process! It is for
 423   use when updating the state post-mapping.<br>
 424   client_apply_startup_state is used to do the same things during the mapping
 425   process.
 426 */
 427 void client_set_state(ObClient *self, Atom action, long data1, long data2);
 428
 429 /* Given a ObClient, find the client that focus would actually be sent to if
 430    you wanted to give focus to the specified ObClient. Will return the same
 431    ObClient passed to it or another ObClient if appropriate. */
 432 ObClient *client_focus_target(ObClient *self);
 433
 434 /*! Returns what client_focus would return if passed the same client, but
 435   without focusing it or modifying the focus order lists. */
 436 gboolean client_can_focus(ObClient *self);
 437
 438 /*! Attempt to focus the client window */
 439 gboolean client_focus(ObClient *self);
 440
 441 /*! Remove focus from the client window */
 442 void client_unfocus(ObClient *self);
 443
 444 /*! Activates the client for use, focusing, uniconifying it, etc. To be used
 445   when the user deliberately selects a window for use.
 446   @param here If true, then the client is brought to the current desktop;
 447               otherwise, the desktop is changed to where the client lives.
 448 */
 449 void client_activate(ObClient *self, gboolean here);
 450
 451 /*! Calculates the stacking layer for the client window */
 452 void client_calc_layer(ObClient *self);
 453
 454 /*! Raises the client to the top of its stacking layer
 455   Normally actions call to the client_* functions to make stuff go, but this
 456   one is an exception. It just fires off an action, which will be queued.
 457   This is because stacking order rules can be changed by focus state, and so
 458   any time focus changes you have to wait for it to complete before you can
 459   properly restart windows. As such, this only queues an action for later
 460   execution, once the focus change has gone through.
 461 */
 462 void client_raise(ObClient *self);
 463
 464 /*! Lowers the client to the bottom of its stacking layer
 465   Normally actions call to the client_* functions to make stuff go, but this
 466   one is an exception. It just fires off an action, which will be queued.
 467   This is because stacking order rules can be changed by focus state, and so
 468   any time focus changes you have to wait for it to complete before you can
 469   properly restart windows. As such, this only queues an action for later
 470   execution, once the focus change has gone through.
 471 */
 472 void client_lower(ObClient *self);
 473
 474 /*! Updates the window's transient status, and any parents of it */
 475 void client_update_transient_for(ObClient *self);
 476 /*! Update the protocols that the window supports and adjusts things if they
 477   change */
 478 void client_update_protocols(ObClient *self);
 479 /*! Updates the WMNormalHints and adjusts things if they change */
 480 void client_update_normal_hints(ObClient *self);
 481
 482 /*! Updates the WMHints and adjusts things if they change
 483   @param initstate Whether to read the initial_state property from the
 484                    WMHints. This should only be used during the mapping
 485                    process.
 486 */
 487 void client_update_wmhints(ObClient *self);
 488 /*! Updates the window's title and icon title */
 489 void client_update_title(ObClient *self);
 490 /*! Updates the window's application name and class */
 491 void client_update_class(ObClient *self);
 492 /*! Updates the strut for the client */
 493 void client_update_strut(ObClient *self);
 494 /*! Updates the window's icons */
 495 void client_update_icons(ObClient *self);
 496
 497 /*! Set up what decor should be shown on the window and what functions should
 498   be allowed (ObClient::decorations and ObClient::functions).
 499   This also updates the NET_WM_ALLOWED_ACTIONS hint.
 500 */
 501 void client_setup_decor_and_functions(ObClient *self);
 502
 503 /*! Retrieves the window's type and sets ObClient->type */
 504 void client_get_type(ObClient *self);
 505
 506 ObClientIcon *client_icon(ObClient *self, int w, int h);
 507
 508 /*! Searches a client's direct parents for a focused window. The function does
 509   not check for the passed client, only for *ONE LEVEL* of its parents.
 510   If no focused parentt is found, NULL is returned.
 511 */
 512 ObClient *client_search_focus_parent(ObClient *self);
 513
 514 /*! Searches a client's transients for a focused window. The function does not
 515   check for the passed client, only for its transients.
 516   If no focused transient is found, NULL is returned.
 517 */
 518 ObClient *client_search_focus_tree(ObClient *self);
 519
 520 /*! Searches a client's transient tree for a focused window. The function
 521   searches up the tree and down other branches as well as the passed client's.
 522   If no focused client is found, NULL is returned.
 523 */
 524 ObClient *client_search_focus_tree_full(ObClient *self);
 525
 526 /*! Return a modal child of the client window that can be focused.
 527     @return A modal child of the client window that can be focused, or 0 if
 528             none was found.
 529 */
 530 ObClient *client_search_modal_child(ObClient *self);
 531
 532 ObClient *client_search_top_transient(ObClient *self);
 533
 534 /*! Search for a parent of a client. This only searches up *ONE LEVEL*, and
 535   returns the searched for parent if it is a parent, or NULL if not. */
 536 ObClient *client_search_parent(ObClient *self, ObClient *search);
 537
 538 /*! Search for a transient of a client. The transient is returned if it is one,
 539   NULL is returned if the given search is not a transient of the client. */
 540 ObClient *client_search_transient(ObClient *self, ObClient *search);
 541
 542 /*! Return the "closest" client in the given direction */
 543 ObClient *client_find_directional(ObClient *c, ObDirection dir);
 544
 545 /*! Return the closest edge in the given direction */
 546 int client_directional_edge_search(ObClient *c, ObDirection dir);
 547
 548 /*! Set a client window to be above/below other clients.
 549   @layer < 0 indicates the client should be placed below other clients.<br>
 550          = 0 indicates the client should be placed with other clients.<br>
 551          > 0 indicates the client should be placed above other clients.
 552 */
 553 void client_set_layer(ObClient *self, int layer);
 554
 555 /*! Set a client window to have decorations or not */
 556 void client_set_undecorated(ObClient *self, gboolean undecorated);
 557
 558 guint client_monitor(ObClient *self);
 559
 560 void client_update_sm_client_id(ObClient *self);
 561
 562 ObClient* client_under_pointer();
 563
 564 #endif