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 typedef struct _ObAppSettings ObAppSettings;
  38
  39 /* The value in client.transient_for indicating it is a transient for its
  40    group instead of for a single window */
  41 #define OB_TRAN_GROUP ((void*)~0l)
  42
  43 /*! Holds an icon in ARGB format */
  44 struct _ObClientIcon
  45 {
  46     gint width;
  47     gint height;
  48     RrPixel32 *data;
  49 };
  50
  51 /*! Possible window types */
  52 typedef enum
  53 {
  54     OB_CLIENT_TYPE_DESKTOP, /*!< A desktop (bottom-most window) */
  55     OB_CLIENT_TYPE_DOCK,    /*!< A dock bar/panel window */
  56     OB_CLIENT_TYPE_TOOLBAR, /*!< A toolbar window, pulled off an app */
  57     OB_CLIENT_TYPE_MENU,    /*!< An unpinned menu from an app */
  58     OB_CLIENT_TYPE_UTILITY, /*!< A small utility window such as a palette */
  59     OB_CLIENT_TYPE_SPLASH,  /*!< A splash screen window */
  60     OB_CLIENT_TYPE_DIALOG,  /*!< A dialog window */
  61     OB_CLIENT_TYPE_NORMAL   /*!< A normal application window */
  62 } ObClientType;
  63
  64 /*! The things the user can do to the client window */
  65 typedef enum
  66 {
  67     OB_CLIENT_FUNC_RESIZE     = 1 << 0, /*!< Allow user resizing */
  68     OB_CLIENT_FUNC_MOVE       = 1 << 1, /*!< Allow user moving */
  69     OB_CLIENT_FUNC_ICONIFY    = 1 << 2, /*!< Allow to be iconified */
  70     OB_CLIENT_FUNC_MAXIMIZE   = 1 << 3, /*!< Allow to be maximized */
  71     OB_CLIENT_FUNC_SHADE      = 1 << 4, /*!< Allow to be shaded */
  72     OB_CLIENT_FUNC_FULLSCREEN = 1 << 5, /*!< Allow to be made fullscreen */
  73     OB_CLIENT_FUNC_CLOSE      = 1 << 6  /*!< Allow to be closed */
  74 } ObFunctions;
  75
  76 struct _ObClient
  77 {
  78     ObWindow obwin;
  79
  80     Window  window;
  81
  82     /*! The window's decorations. NULL while the window is being managed! */
  83     struct _ObFrame *frame;
  84
  85     /*! The number of unmap events to ignore on the window */
  86     gint ignore_unmaps;
  87
  88     /*! The id of the group the window belongs to */
  89     struct _ObGroup *group;
  90
  91     /*! Saved session data to apply to this client */
  92     struct _ObSessionState *session;
  93
  94     /*! Whether or not the client is a transient window. This is guaranteed to
  95       be TRUE if transient_for != NULL, but not guaranteed to be FALSE if
  96       transient_for == NULL. */
  97     gboolean transient;
  98     /*! The client which this client is a transient (child) for.
  99       A value of TRAN_GROUP signifies that the window is a transient for all
 100       members of its ObGroup, and is not a valid pointer to be followed in this
 101       case.
 102      */
 103     ObClient *transient_for;
 104     /*! The clients which are transients (children) of this client */
 105     GSList *transients;
 106     /*! The desktop on which the window resides (0xffffffff for all
 107       desktops) */
 108     guint desktop;
 109
 110     /*! The startup id for the startup-notification protocol. This will be
 111       NULL if a startup id is not set. */
 112     gchar *startup_id;
 113
 114     /*! Normal window title */
 115     gchar *title;
 116     /*! The count for the title. When another window with the same title
 117       exists, a count will be appended to it. */
 118     guint title_count;
 119     /*! Window title when iconified */
 120     gchar *icon_title;
 121
 122     /*! The application that created the window */
 123     gchar *name;
 124     /*! The class of the window, can used for grouping */
 125     gchar *class;
 126     /*! The specified role of the window, used for identification */
 127     gchar *role;
 128     /*! The session client id for the window. *This can be NULL!* */
 129     gchar *sm_client_id;
 130
 131     /*! The type of window (what its function is) */
 132     ObClientType type;
 133
 134     /*! Position and size of the window
 135       This will not always be the actual position of the window on screen, it
 136       is, rather, the position requested by the client, to which the window's
 137       gravity is applied.
 138     */
 139     Rect area;
 140
 141     /*! Position and size of the window prior to being maximized */
 142     Rect pre_max_area;
 143     /*! Position and size of the window prior to being fullscreened */
 144     Rect pre_fullscreen_area;
 145
 146     /*! The window's strut
 147       The strut defines areas of the screen that are marked off-bounds for
 148       window placement. In theory, where this window exists.
 149     */
 150     StrutPartial strut;
 151
 152     /*! The logical size of the window
 153       The "logical" size of the window is refers to the user's perception of
 154       the size of the window, and is the value that should be displayed to the
 155       user. For example, with xterms, this value it the number of characters
 156       being displayed in the terminal, instead of the number of pixels.
 157     */
 158     Size logical_size;
 159
 160     /*! Width of the border on the window.
 161       The window manager will set this to 0 while the window is being managed,
 162       but needs to restore it afterwards, so it is saved here.
 163     */
 164     guint border_width;
 165
 166     /*! The minimum aspect ratio the client window can be sized to.
 167       A value of 0 means this is ignored.
 168     */
 169     gfloat min_ratio;
 170     /*! The maximum aspect ratio the client window can be sized to.
 171       A value of 0 means this is ignored.
 172     */
 173     gfloat max_ratio;
 174
 175     /*! The minimum size of the client window
 176       If the min is > the max, then the window is not resizable
 177     */
 178     Size min_size;
 179     /*! The maximum size of the client window
 180       If the min is > the max, then the window is not resizable
 181     */
 182     Size max_size;
 183     /*! The size of increments to resize the client window by */
 184     Size size_inc;
 185     /*! The base size of the client window
 186       This value should be subtracted from the window's actual size when
 187       displaying its size to the user, or working with its min/max size
 188     */
 189     Size base_size;
 190
 191     /*! Window decoration and functionality hints */
 192     ObMwmHints mwmhints;
 193
 194     /*! Where to place the decorated window in relation to the undecorated
 195       window */
 196     gint gravity;
 197
 198     /*! The state of the window, one of WithdrawnState, IconicState, or
 199       NormalState */
 200     glong wmstate;
 201
 202     /*! True if the client supports the delete_window protocol */
 203     gboolean delete_window;
 204
 205     /*! Was the window's position requested by the application or the user?
 206       if by the application, we force it completely onscreen, if by the user
 207       we only force it if it tries to go completely offscreen, if neither, we
 208       should place the window ourselves when it first appears */
 209     guint positioned;
 210
 211     /*! Can the window receive input focus? */
 212     gboolean can_focus;
 213     /*! Urgency flag */
 214     gboolean urgent;
 215     /*! Notify the window when it receives focus? */
 216     gboolean focus_notify;
 217
 218     /*! The window uses shape extension to be non-rectangular? */
 219     gboolean shaped;
 220
 221     /*! The window is modal, so it must be processed before any windows it is
 222       related to can be focused */
 223     gboolean modal;
 224     /*! Only the window's titlebar is displayed */
 225     gboolean shaded;
 226     /*! The window is iconified */
 227     gboolean iconic;
 228     /*! The window is maximized to fill the screen vertically */
 229     gboolean max_vert;
 230     /*! The window is maximized to fill the screen horizontally */
 231     gboolean max_horz;
 232     /*! The window should not be displayed by pagers */
 233     gboolean skip_pager;
 234     /*! The window should not be displayed by taskbars */
 235     gboolean skip_taskbar;
 236     /*! The window is a 'fullscreen' window, and should be on top of all
 237       others */
 238     gboolean fullscreen;
 239     /*! The window should be on top of other windows of the same type.
 240       above takes priority over below. */
 241     gboolean above;
 242     /*! The window should be underneath other windows of the same type.
 243       above takes priority over below. */
 244     gboolean below;
 245
 246     /*! The layer in which the window will be stacked, windows in lower layers
 247       are always below windows in higher layers. */
 248     ObStackingLayer layer;
 249
 250     /*! A bitmask of values in the ObFrameDecorations enum
 251       The values in the variable are the decorations that the client wants to
 252       be displayed around it.
 253     */
 254     guint decorations;
 255
 256     /*! A user option. When this is set to TRUE the client will not ever
 257       be decorated.
 258     */
 259     gboolean undecorated;
 260
 261     /*! A bitmask of values in the ObFunctions enum
 262       The values in the variable specify the ways in which the user is allowed
 263       to modify this window.
 264     */
 265     guint functions;
 266
 267     /*! Icons for the client as specified on the client window */
 268     ObClientIcon *icons;
 269     /*! The number of icons in icons */
 270     guint nicons;
 271 };
 272
 273 struct _ObAppSettings
 274 {
 275     gchar *name;
 276     gboolean decor;
 277     gboolean shade;
 278     gboolean focus;
 279
 280     Point position;
 281     gboolean center_x;
 282     gboolean center_y;
 283     gboolean pos_given;
 284
 285     guint desktop;
 286     guint head;
 287
 288     guint layer;
 289 };
 290
 291 extern GList *client_list;
 292
 293 void client_startup(gboolean reconfig);
 294 void client_shutdown(gboolean reconfig);
 295
 296 typedef void (*ObClientDestructor)(ObClient *client, gpointer data);
 297
 298 void client_add_destructor(ObClientDestructor func, gpointer data);
 299 void client_remove_destructor(ObClientDestructor func);
 300
 301 /*! Manages all existing windows */
 302 void client_manage_all();
 303 /*! Manages a given window */
 304 void client_manage(Window win);
 305 /*! Unmanages all managed windows */
 306 void client_unmanage_all();
 307 /*! Unmanages a given client */
 308 void client_unmanage(ObClient *client);
 309
 310 /*! Sets the client list on the root window from the client_list */
 311 void client_set_list();
 312
 313 /*! Determines if the client should be shown or hidden currently.
 314   @return TRUE if it should be visible; otherwise, FALSE.
 315 */
 316 gboolean client_should_show(ObClient *self);
 317
 318 /*! Returns if the window should be treated as a normal window.
 319   Some windows (desktops, docks, splash screens) have special rules applied
 320   to them in a number of places regarding focus or user interaction. */
 321 gboolean client_normal(ObClient *self);
 322
 323 /* Returns if the window is focused */
 324 gboolean client_focused(ObClient *self);
 325
 326 #define client_move(self, x, y) \
 327   client_configure(self, OB_CORNER_TOPLEFT, x, y, \
 328                    self->area.width, self->area.height, \
 329                    TRUE, TRUE)
 330 #define client_resize(self, w, h) \
 331   client_configure(self, OB_CORNER_TOPLEFT, self->area.x, self->area.y, \
 332                    w, h, TRUE, TRUE)
 333 #define client_move_resize(self, x, y, w, h) \
 334   client_configure(self, OB_CORNER_TOPLEFT, x, y, w, h, TRUE, TRUE)
 335
 336 #define client_configure(self, anchor, x, y, w, h, user, final) \
 337   client_configure_full(self, anchor, x, y, w, h, user, final, FALSE)
 338
 339 /*! Move and/or resize the window.
 340   This also maintains things like the client's minsize, and size increments.
 341   @param anchor The corner to keep in the same position when resizing.
 342   @param x The x coordiante of the new position for the client.
 343   @param y The y coordiante of the new position for the client.
 344   @param w The width component of the new size for the client.
 345   @param h The height component of the new size for the client.
 346   @param user Specifies whether this is a user-requested change or a
 347               program requested change. For program requested changes, the
 348               constraints are not checked.
 349   @param final If user is true, then this should specify if this is a final
 350                configuration. e.g. Final should be FALSE if doing an
 351                interactive move/resize, and then be TRUE for the last call
 352                only.
 353   @param force_reply Send a ConfigureNotify to the client regardless of if
 354                      the position changed.
 355 */
 356 void client_configure_full(ObClient *self, ObCorner anchor,
 357                            gint x, gint y, gint w, gint h,
 358                            gboolean user, gboolean final,
 359                            gboolean force_reply);
 360
 361 void client_reconfigure(ObClient *self);
 362
 363 /*! Finds coordinates to keep a client on the screen.
 364   @param self The client
 365   @param x The x coord of the client, may be changed.
 366   @param y The y coord of the client, may be changed.
 367   @param w The width of the client.
 368   @param w The height of the client.
 369   @param rude Be rude about it. If false, it is only moved if it is entirely
 370               not visible. If true, then make sure the window is inside the
 371               struts if possible.
 372   @return true if the client was moved to be on-screen; false if not.
 373 */
 374 gboolean client_find_onscreen(ObClient *self, gint *x, gint *y, gint w, gint h,
 375                               gboolean rude);
 376
 377 /*! Moves a client so that it is on screen if it is entirely out of the
 378   viewable screen.
 379   @param self The client to move
 380   @param rude Be rude about it. If false, it is only moved if it is entirely
 381               not visible. If true, then make sure the window is inside the
 382               struts if possible.
 383 */
 384 void client_move_onscreen(ObClient *self, gboolean rude);
 385
 386 /*! Fullscreen's or unfullscreen's the client window
 387   @param fs true if the window should be made fullscreen; false if it should
 388             be returned to normal state.
 389   @param savearea true to have the client's current size and position saved;
 390                   otherwise, they are not. You should not save when mapping a
 391                   new window that is set to fullscreen. This has no effect
 392                   when restoring a window from fullscreen.
 393 */
 394 void client_fullscreen(ObClient *self, gboolean fs, gboolean savearea);
 395
 396 /*! Iconifies or uniconifies the client window
 397   @param iconic true if the window should be iconified; false if it should be
 398                 restored.
 399   @param curdesk If iconic is FALSE, then this determines if the window will
 400                  be uniconified to the current viewable desktop (true) or to
 401                  its previous desktop (false)
 402 */
 403 void client_iconify(ObClient *self, gboolean iconic, gboolean curdesk);
 404
 405 /*! Maximize or unmaximize the client window
 406   @param max true if the window should be maximized; false if it should be
 407              returned to normal size.
 408   @param dir 0 to set both horz and vert, 1 to set horz, 2 to set vert.
 409   @param savearea true to have the client's current size and position saved;
 410                   otherwise, they are not. You should not save when mapping a
 411                   new window that is set to fullscreen. This has no effect
 412                   when unmaximizing a window.
 413 */
 414 void client_maximize(ObClient *self, gboolean max, gint dir,
 415                      gboolean savearea);
 416
 417 /*! Shades or unshades the client window
 418   @param shade true if the window should be shaded; false if it should be
 419                unshaded.
 420 */
 421 void client_shade(ObClient *self, gboolean shade);
 422
 423 /*! Request the client to close its window */
 424 void client_close(ObClient *self);
 425
 426 /*! Kill the client off violently */
 427 void client_kill(ObClient *self);
 428
 429 /*! Sends the window to the specified desktop
 430   @param donthide If TRUE, the window will not be shown/hidden after its
 431          desktop has been changed. Generally this should be FALSE. */
 432 void client_set_desktop(ObClient *self, guint target, gboolean donthide);
 433
 434 /*! Validate client, by making sure no Destroy or Unmap events exist in
 435   the event queue for the window.
 436   @return true if the client is valid; false if the client has already
 437           been unmapped/destroyed, and so is invalid.
 438 */
 439 gboolean client_validate(ObClient *self);
 440
 441 /*! Sets the wm_state to the specified value */
 442 void client_set_wm_state(ObClient *self, glong state);
 443
 444 /*! Adjusts the window's net_state
 445   This should not be called as part of the window mapping process! It is for
 446   use when updating the state post-mapping.<br>
 447   client_apply_startup_state is used to do the same things during the mapping
 448   process.
 449 */
 450 void client_set_state(ObClient *self, Atom action, glong data1, glong data2);
 451
 452 /* Given a ObClient, find the client that focus would actually be sent to if
 453    you wanted to give focus to the specified ObClient. Will return the same
 454    ObClient passed to it or another ObClient if appropriate. */
 455 ObClient *client_focus_target(ObClient *self);
 456
 457 /*! Returns what client_focus would return if passed the same client, but
 458   without focusing it or modifying the focus order lists. */
 459 gboolean client_can_focus(ObClient *self);
 460
 461 /*! Attempt to focus the client window */
 462 gboolean client_focus(ObClient *self);
 463
 464 /*! Remove focus from the client window */
 465 void client_unfocus(ObClient *self);
 466
 467 /*! Activates the client for use, focusing, uniconifying it, etc. To be used
 468   when the user deliberately selects a window for use.
 469   @param here If true, then the client is brought to the current desktop;
 470               otherwise, the desktop is changed to where the client lives.
 471 */
 472 void client_activate(ObClient *self, gboolean here);
 473
 474 /*! Calculates the stacking layer for the client window */
 475 void client_calc_layer(ObClient *self);
 476
 477 /*! Raises the client to the top of its stacking layer
 478   Normally actions call to the client_* functions to make stuff go, but this
 479   one is an exception. It just fires off an action, which will be queued.
 480   This is because stacking order rules can be changed by focus state, and so
 481   any time focus changes you have to wait for it to complete before you can
 482   properly restart windows. As such, this only queues an action for later
 483   execution, once the focus change has gone through.
 484 */
 485 void client_raise(ObClient *self);
 486
 487 /*! Lowers the client to the bottom of its stacking layer
 488   Normally actions call to the client_* functions to make stuff go, but this
 489   one is an exception. It just fires off an action, which will be queued.
 490   This is because stacking order rules can be changed by focus state, and so
 491   any time focus changes you have to wait for it to complete before you can
 492   properly restart windows. As such, this only queues an action for later
 493   execution, once the focus change has gone through.
 494 */
 495 void client_lower(ObClient *self);
 496
 497 /*! Updates the window's transient status, and any parents of it */
 498 void client_update_transient_for(ObClient *self);
 499 /*! Update the protocols that the window supports and adjusts things if they
 500   change */
 501 void client_update_protocols(ObClient *self);
 502 /*! Updates the WMNormalHints and adjusts things if they change */
 503 void client_update_normal_hints(ObClient *self);
 504
 505 /*! Updates the WMHints and adjusts things if they change
 506   @param initstate Whether to read the initial_state property from the
 507                    WMHints. This should only be used during the mapping
 508                    process.
 509 */
 510 void client_update_wmhints(ObClient *self);
 511 /*! Updates the window's title and icon title */
 512 void client_update_title(ObClient *self);
 513 /*! Updates the window's application name and class */
 514 void client_update_class(ObClient *self);
 515 /*! Updates the strut for the client */
 516 void client_update_strut(ObClient *self);
 517 /*! Updates the window's icons */
 518 void client_update_icons(ObClient *self);
 519
 520 /*! Set up what decor should be shown on the window and what functions should
 521   be allowed (ObClient::decorations and ObClient::functions).
 522   This also updates the NET_WM_ALLOWED_ACTIONS hint.
 523 */
 524 void client_setup_decor_and_functions(ObClient *self);
 525
 526 /*! Retrieves the window's type and sets ObClient->type */
 527 void client_get_type(ObClient *self);
 528
 529 const ObClientIcon *client_icon(ObClient *self, gint w, gint h);
 530
 531 /*! Searches a client's direct parents for a focused window. The function does
 532   not check for the passed client, only for *ONE LEVEL* of its parents.
 533   If no focused parentt is found, NULL is returned.
 534 */
 535 ObClient *client_search_focus_parent(ObClient *self);
 536
 537 /*! Searches a client's transients for a focused window. The function does not
 538   check for the passed client, only for its transients.
 539   If no focused transient is found, NULL is returned.
 540 */
 541 ObClient *client_search_focus_tree(ObClient *self);
 542
 543 /*! Searches a client's transient tree for a focused window. The function
 544   searches up the tree and down other branches as well as the passed client's.
 545   If no focused client is found, NULL is returned.
 546 */
 547 ObClient *client_search_focus_tree_full(ObClient *self);
 548
 549 /*! Return a modal child of the client window that can be focused.
 550     @return A modal child of the client window that can be focused, or 0 if
 551             none was found.
 552 */
 553 ObClient *client_search_modal_child(ObClient *self);
 554
 555 ObClient *client_search_top_transient(ObClient *self);
 556
 557 /*! Search for a parent of a client. This only searches up *ONE LEVEL*, and
 558   returns the searched for parent if it is a parent, or NULL if not. */
 559 ObClient *client_search_parent(ObClient *self, ObClient *search);
 560
 561 /*! Search for a transient of a client. The transient is returned if it is one,
 562   NULL is returned if the given search is not a transient of the client. */
 563 ObClient *client_search_transient(ObClient *self, ObClient *search);
 564
 565 /*! Return the "closest" client in the given direction */
 566 ObClient *client_find_directional(ObClient *c, ObDirection dir);
 567
 568 /*! Return the closest edge in the given direction */
 569 gint client_directional_edge_search(ObClient *c, ObDirection dir);
 570
 571 /*! Set a client window to be above/below other clients.
 572   @layer < 0 indicates the client should be placed below other clients.<br>
 573          = 0 indicates the client should be placed with other clients.<br>
 574          > 0 indicates the client should be placed above other clients.
 575 */
 576 void client_set_layer(ObClient *self, gint layer);
 577
 578 /*! Set a client window to have decorations or not */
 579 void client_set_undecorated(ObClient *self, gboolean undecorated);
 580
 581 guint client_monitor(ObClient *self);
 582
 583 void client_update_sm_client_id(ObClient *self);
 584
 585 ObClient* client_under_pointer();
 586
 587 gboolean client_has_group_siblings(ObClient *self);
 588
 589 #endif