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

   1 #ifndef __client_h
   2 #define __client_h
   3
   4 #include "geom.h"
   5 #include "stacking.h"
   6 #include "render/color.h"
   7
   8 #include <glib.h>
   9 #include <X11/Xlib.h>
  10
  11 struct Frame;
  12 struct Group;
  13
  14 /* The value in client.transient_for indicating it is a transient for its
  15    group instead of for a single window */
  16 #define TRAN_GROUP ((void*)~0l)
  17
  18 /*! Holds an icon in ARGB format */
  19 typedef struct Icon {
  20     int width, height;
  21     pixel32 *data;
  22 } Icon;
  23
  24 /*! The MWM Hints as retrieved from the window property
  25   This structure only contains 3 elements, even though the Motif 2.0
  26   structure contains 5. We only use the first 3, so that is all gets
  27   defined.
  28 */
  29 typedef struct MwmHints {
  30     /*! A bitmask of Client::MwmFlags values */
  31     unsigned long flags;
  32     /*! A bitmask of Client::MwmFunctions values */
  33     unsigned long functions;
  34     /*! A bitmask of Client::MwmDecorations values */
  35     unsigned long decorations;
  36 } MwmHints;
  37 /*! The number of elements in the Client::MwmHints struct */
  38 #define MWM_ELEMENTS 3
  39
  40 /*! Possible flags for MWM Hints (defined by Motif 2.0) */
  41 typedef enum {
  42     MwmFlag_Functions   = 1 << 0, /*!< The MMW Hints define funcs */
  43     MwmFlag_Decorations = 1 << 1  /*!< The MWM Hints define decor */
  44 } MwmFlags;
  45
  46 /*! Possible functions for MWM Hints (defined by Motif 2.0) */
  47 typedef enum {
  48     MwmFunc_All      = 1 << 0, /*!< All functions */
  49     MwmFunc_Resize   = 1 << 1, /*!< Allow resizing */
  50     MwmFunc_Move     = 1 << 2, /*!< Allow moving */
  51     MwmFunc_Iconify  = 1 << 3, /*!< Allow to be iconfied */
  52     MwmFunc_Maximize = 1 << 4  /*!< Allow to be maximized */
  53     /*MwmFunc_Close    = 1 << 5 /!< Allow to be closed */
  54 } MwmFunctions;
  55
  56 /*! Possible decorations for MWM Hints (defined by Motif 2.0) */
  57 typedef enum {
  58     MwmDecor_All      = 1 << 0, /*!< All decorations */
  59     MwmDecor_Border   = 1 << 1, /*!< Show a border */
  60     MwmDecor_Handle   = 1 << 2, /*!< Show a handle (bottom) */
  61     MwmDecor_Title    = 1 << 3, /*!< Show a titlebar */
  62     /*MwmDecor_Menu     = 1 << 4, /!< Show a menu */
  63     MwmDecor_Iconify  = 1 << 5, /*!< Show an iconify button */
  64     MwmDecor_Maximize = 1 << 6  /*!< Show a maximize button */
  65 } MemDecorations;
  66
  67 /*! Corners of the client window, used for anchor positions */
  68 typedef enum {
  69     Corner_TopLeft,
  70     Corner_TopRight,
  71     Corner_BottomLeft,
  72     Corner_BottomRight
  73 } Corner;
  74
  75 /*! Possible window types */
  76 typedef enum {
  77     Type_Desktop, /*!< A desktop (bottom-most window) */
  78     Type_Dock,    /*!< A dock bar/panel window */
  79     Type_Toolbar, /*!< A toolbar window, pulled off an app */
  80     Type_Menu,    /*!< An unpinned menu from an app */
  81     Type_Utility, /*!< A small utility window such as a palette */
  82     Type_Splash,  /*!< A splash screen window */
  83     Type_Dialog,  /*!< A dialog window */
  84     Type_Normal   /*!< A normal application window */
  85 } WindowType;
  86
  87 /*! The things the user can do to the client window */
  88 typedef enum {
  89     Func_Resize     = 1 << 0, /*!< Allow resizing */
  90     Func_Move       = 1 << 1, /*!< Allow moving */
  91     Func_Iconify    = 1 << 2, /*!< Allow to be iconified */
  92     Func_Maximize   = 1 << 3, /*!< Allow to be maximized */
  93     Func_Shade      = 1 << 4, /*!< Allow to be shaded */
  94     Func_Fullscreen = 1 << 5, /*!< Allow to be made fullscreen */
  95     Func_Close      = 1 << 6  /*!< Allow to be closed */
  96 } Function;
  97
  98 /*! The decorations the client window wants to be displayed on it */
  99 typedef enum {
 100     Decor_Titlebar    = 1 << 0, /*!< Display a titlebar */
 101     Decor_Handle      = 1 << 1, /*!< Display a handle (bottom) */
 102     Decor_Border      = 1 << 2, /*!< Display a border */
 103     Decor_Icon        = 1 << 3, /*!< Display the window's icon */
 104     Decor_Iconify     = 1 << 4, /*!< Display an iconify button */
 105     Decor_Maximize    = 1 << 5, /*!< Display a maximize button */
 106     /*! Display a button to toggle the window's placement on
 107       all desktops */
 108     Decor_AllDesktops = 1 << 6,
 109     Decor_Shade       = 1 << 7, /*!< Displays a shade button */
 110     Decor_Close       = 1 << 8  /*!< Display a close button */
 111 } Decoration;
 112
 113 /*! The directions used by client_find_directional */
 114 typedef enum {
 115     Direction_North,
 116     Direction_East,
 117     Direction_South,
 118     Direction_West,
 119     Direction_NorthEast,
 120     Direction_SouthEast,
 121     Direction_SouthWest,
 122     Direction_NorthWest
 123 } Direction;
 124
 125 typedef struct Client {
 126     ObWindow obwin;
 127
 128     Window  window;
 129
 130     /*! The window's decorations. NULL while the window is being managed! */
 131     struct Frame *frame;
 132
 133     /*! The number of unmap events to ignore on the window */
 134     int ignore_unmaps;
 135
 136     /*! The id of the group the window belongs to */
 137     struct Group *group;
 138     /*! Whether or not the client is a transient window. This is guaranteed to
 139       be TRUE if transient_for != NULL, but not guaranteed to be FALSE if
 140       transient_for == NULL. */
 141     gboolean transient;
 142     /*! The client which this client is a transient (child) for.
 143       A value of TRAN_GROUP signifies that the window is a transient for all
 144       members of its Group, and is not a valid pointer to be followed in this
 145       case.
 146      */
 147     struct Client *transient_for;
 148     /*! The clients which are transients (children) of this client */
 149     GSList *transients;
 150     /*! The desktop on which the window resides (0xffffffff for all
 151       desktops) */
 152     guint desktop;
 153
 154     /*! Normal window title */
 155     gchar *title;
 156     /*! The count for the title. When another window with the same title
 157       exists, a count will be appended to it. */
 158     guint title_count;
 159     /*! Window title when iconified */
 160     gchar *icon_title;
 161
 162     /*! The application that created the window */
 163     gchar *name;
 164     /*! The class of the window, can used for grouping */
 165     gchar *class;
 166     /*! The specified role of the window, used for identification */
 167     gchar *role;
 168
 169     /*! The type of window (what its function is) */
 170     WindowType type;
 171
 172     /*! Position and size of the window
 173       This will not always be the actual position of the window on screen, it
 174       is, rather, the position requested by the client, to which the window's
 175       gravity is applied.
 176     */
 177     Rect    area;
 178
 179     /*! The window's strut
 180       The strut defines areas of the screen that are marked off-bounds for
 181       window placement. In theory, where this window exists.
 182     */
 183     Strut   strut;
 184
 185     /*! The logical size of the window
 186       The "logical" size of the window is refers to the user's perception of
 187       the size of the window, and is the value that should be displayed to the
 188       user. For example, with xterms, this value it the number of characters
 189       being displayed in the terminal, instead of the number of pixels.
 190     */
 191     Size   logical_size;
 192
 193     /*! Width of the border on the window.
 194       The window manager will set this to 0 while the window is being managed,
 195       but needs to restore it afterwards, so it is saved here.
 196     */
 197     guint border_width;
 198
 199     /*! The minimum aspect ratio the client window can be sized to.
 200       A value of 0 means this is ignored.
 201     */
 202     float min_ratio;
 203     /*! The maximum aspect ratio the client window can be sized to.
 204       A value of 0 means this is ignored.
 205     */
 206     float max_ratio;
 207
 208     /*! The minimum size of the client window
 209       If the min is > the max, then the window is not resizable
 210     */
 211     Size min_size;
 212     /*! The maximum size of the client window
 213       If the min is > the max, then the window is not resizable
 214     */
 215     Size max_size;
 216     /*! The size of increments to resize the client window by */
 217     Size size_inc;
 218     /*! The base size of the client window
 219       This value should be subtracted from the window's actual size when
 220       displaying its size to the user, or working with its min/max size
 221     */
 222     Size base_size;
 223
 224     /*! Window decoration and functionality hints */
 225     MwmHints mwmhints;
 226
 227     /*! Where to place the decorated window in relation to the undecorated
 228       window */
 229     int gravity;
 230
 231     /*! The state of the window, one of WithdrawnState, IconicState, or
 232       NormalState */
 233     long wmstate;
 234
 235     /*! True if the client supports the delete_window protocol */
 236     gboolean delete_window;
 237
 238     /*! Was the window's position requested by the application? if not, we
 239       should place the window ourselves when it first appears */
 240     gboolean positioned;
 241
 242     /*! Can the window receive input focus? */
 243     gboolean can_focus;
 244     /*! Urgency flag */
 245     gboolean urgent;
 246     /*! Notify the window when it receives focus? */
 247     gboolean focus_notify;
 248
 249     /*! The window uses shape extension to be non-rectangular? */
 250     gboolean shaped;
 251
 252     /*! The window is modal, so it must be processed before any windows it is
 253       related to can be focused */
 254     gboolean modal;
 255     /*! Only the window's titlebar is displayed */
 256     gboolean shaded;
 257     /*! The window is iconified */
 258     gboolean iconic;
 259     /*! The window is maximized to fill the screen vertically */
 260     gboolean max_vert;
 261     /*! The window is maximized to fill the screen horizontally */
 262     gboolean max_horz;
 263     /*! The window should not be displayed by pagers */
 264     gboolean skip_pager;
 265     /*! The window should not be displayed by taskbars */
 266     gboolean skip_taskbar;
 267     /*! The window is a 'fullscreen' window, and should be on top of all
 268       others */
 269     gboolean fullscreen;
 270     /*! The window should be on top of other windows of the same type.
 271       above takes priority over below. */
 272     gboolean above;
 273     /*! The window should be underneath other windows of the same type.
 274       above takes priority over below. */
 275     gboolean below;
 276
 277     /*! The layer in which the window will be stacked, windows in lower layers
 278       are always below windows in higher layers. */
 279     StackLayer layer;
 280
 281     /*! A bitmask of values in the Decoration enum
 282       The values in the variable are the decorations that the client wants to
 283       be displayed around it.
 284     */
 285     int decorations;
 286
 287     /*! A bitmask of values in the Decoration enum.
 288       Specifies the decorations that should NOT be displayed on the client.
 289     */
 290     int disabled_decorations;
 291
 292     /*! A bitmask of values in the Function enum
 293       The values in the variable specify the ways in which the user is allowed
 294       to modify this window.
 295     */
 296     int functions;
 297
 298     /*! Icons for the client as specified on the client window */
 299     Icon *icons;
 300     /*! The number of icons in icons */
 301     int nicons;
 302 } Client;
 303
 304 extern GList *client_list;
 305
 306 void client_startup();
 307 void client_shutdown();
 308
 309 /*! Manages all existing windows */
 310 void client_manage_all();
 311 /*! Manages a given window */
 312 void client_manage(Window win);
 313 /*! Unmanages all managed windows */
 314 void client_unmanage_all();
 315 /*! Unmanages a given client */
 316 void client_unmanage(Client *client);
 317
 318 /*! Sets the client list on the root window from the client_list */
 319 void client_set_list();
 320
 321 /*! Determines if the client should be shown or hidden currently.
 322   @return TRUE if it should be visible; otherwise, FALSE.
 323 */
 324 gboolean client_should_show(Client *self);
 325
 326 /*! Returns if the window should be treated as a normal window.
 327   Some windows (desktops, docks, splash screens) have special rules applied
 328   to them in a number of places regarding focus or user interaction. */
 329 gboolean client_normal(Client *self);
 330
 331 /* Returns if the window is focused */
 332 gboolean client_focused(Client *self);
 333
 334 /*! Move and/or resize the window.
 335   This also maintains things like the client's minsize, and size increments.
 336   @param anchor The corner to keep in the same position when resizing.
 337   @param x The x coordiante of the new position for the client.
 338   @param y The y coordiante of the new position for the client.
 339   @param w The width component of the new size for the client.
 340   @param h The height component of the new size for the client.
 341   @param user Specifies whether this is a user-requested change or a
 342               program requested change. For program requested changes, the
 343               constraints are not checked.
 344   @param final If user is true, then this should specify if this is a final
 345                configuration. e.g. Final should be FALSE if doing an
 346                interactive move/resize, and then be TRUE for the last call
 347                only.
 348 */
 349 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
 350                       gboolean user, gboolean final);
 351
 352 void client_reconfigure(Client *self);
 353
 354 /*! Moves a client so that it is on screen if it is entirely out of the
 355   viewable screen.
 356 */
 357 void client_move_onscreen(Client *self);
 358
 359 /*! Fullscreen's or unfullscreen's the client window
 360   @param fs true if the window should be made fullscreen; false if it should
 361             be returned to normal state.
 362   @param savearea true to have the client's current size and position saved;
 363                   otherwise, they are not. You should not save when mapping a
 364                   new window that is set to fullscreen. This has no effect
 365                   when restoring a window from fullscreen.
 366 */
 367 void client_fullscreen(Client *self, gboolean fs, gboolean savearea);
 368
 369 /*! Iconifies or uniconifies the client window
 370   @param iconic true if the window should be iconified; false if it should be
 371                 restored.
 372   @param curdesk If iconic is FALSE, then this determines if the window will
 373                  be uniconified to the current viewable desktop (true) or to
 374                  its previous desktop (false)
 375 */
 376 void client_iconify(Client *self, gboolean iconic, gboolean curdesk);
 377
 378 /*! Maximize or unmaximize the client window
 379   @param max true if the window should be maximized; false if it should be
 380              returned to normal size.
 381   @param dir 0 to set both horz and vert, 1 to set horz, 2 to set vert.
 382   @param savearea true to have the client's current size and position saved;
 383                   otherwise, they are not. You should not save when mapping a
 384                   new window that is set to fullscreen. This has no effect
 385                   when unmaximizing a window.
 386 */
 387 void client_maximize(Client *self, gboolean max, int dir,
 388                      gboolean savearea);
 389
 390 /*! Shades or unshades the client window
 391   @param shade true if the window should be shaded; false if it should be
 392                unshaded.
 393 */
 394 void client_shade(Client *self, gboolean shade);
 395
 396 /*! Request the client to close its window */
 397 void client_close(Client *self);
 398
 399 /*! Kill the client off violently */
 400 void client_kill(Client *self);
 401
 402 /*! Sends the window to the specified desktop
 403   @param donthide If TRUE, the window will not be shown/hidden after its
 404          desktop has been changed. Generally this should be FALSE. */
 405 void client_set_desktop(Client *self, guint target, gboolean donthide);
 406
 407 /*! Validate client, by making sure no Destroy or Unmap events exist in
 408   the event queue for the window.
 409   @return true if the client is valid; false if the client has already
 410           been unmapped/destroyed, and so is invalid.
 411 */
 412 gboolean client_validate(Client *self);
 413
 414 /*! Sets the wm_state to the specified value */
 415 void client_set_wm_state(Client *self, long state);
 416
 417 /*! Adjusts the window's net_state
 418   This should not be called as part of the window mapping process! It is for
 419   use when updating the state post-mapping.<br>
 420   client_apply_startup_state is used to do the same things during the mapping
 421   process.
 422 */
 423 void client_set_state(Client *self, Atom action, long data1, long data2);
 424
 425 /* Given a Client, find the client that focus would actually be sent to if
 426    you wanted to give focus to the specified Client. Will return the same
 427    Client passed to it or another Client if appropriate. */
 428 Client *client_focus_target(Client *self);
 429
 430 /*! Returns what client_focus would return if passed the same client, but
 431   without focusing it or modifying the focus order lists. */
 432 gboolean client_can_focus(Client *self);
 433
 434 /*! Attempt to focus the client window */
 435 gboolean client_focus(Client *self);
 436
 437 /*! Remove focus from the client window */
 438 void client_unfocus(Client *self);
 439
 440 /*! Activates the client for use, focusing, uniconifying it, etc. To be used
 441   when the user deliberately selects a window for use. */
 442 void client_activate(Client *self);
 443
 444 /*! Calculates the stacking layer for the client window */
 445 void client_calc_layer(Client *self);
 446
 447 /*! Updates the window's transient status, and any parents of it */
 448 void client_update_transient_for(Client *self);
 449 /*! Update the protocols that the window supports and adjusts things if they
 450   change */
 451 void client_update_protocols(Client *self);
 452 /*! Updates the WMNormalHints and adjusts things if they change */
 453 void client_update_normal_hints(Client *self);
 454
 455 /*! Updates the WMHints and adjusts things if they change
 456   @param initstate Whether to read the initial_state property from the
 457                    WMHints. This should only be used during the mapping
 458                    process.
 459 */
 460 void client_update_wmhints(Client *self);
 461 /*! Updates the window's title and icon title */
 462 void client_update_title(Client *self);
 463 /*! Updates the window's application name and class */
 464 void client_update_class(Client *self);
 465 /*! Updates the strut for the client */
 466 void client_update_strut(Client *self);
 467 /*! Updates the window's icons */
 468 void client_update_icons(Client *self);
 469
 470 /*! Set up what decor should be shown on the window and what functions should
 471   be allowed (Client::decorations and Client::functions).
 472   This also updates the NET_WM_ALLOWED_ACTIONS hint.
 473 */
 474 void client_setup_decor_and_functions(Client *self);
 475
 476 /*! Retrieves the window's type and sets Client->type */
 477 void client_get_type(Client *self);
 478
 479 Icon *client_icon(Client *self, int w, int h);
 480
 481 /*! Searches a client's transients for a focused window. The function does not
 482   check for the passed client, only for its transients.
 483   If no focused transient is found, NULL is returned.
 484 */
 485 Client *client_search_focus_tree(Client *self);
 486
 487 /*! Searches a client's transient tree for a focused window. The function
 488   searches up the tree and down other branches as well as the passed client's.
 489   If no focused client is found, NULL is returned.
 490 */
 491 Client *client_search_focus_tree_full(Client *self);
 492
 493 /*! Return a modal child of the client window that can be focused.
 494     @return A modal child of the client window that can be focused, or 0 if
 495             none was found.
 496 */
 497 Client *client_search_modal_child(Client *self);
 498
 499 /*! Return the "closest" client in the given direction */
 500 Client *client_find_directional(Client *c, Direction dir);
 501
 502 /*! Set a client window to be above/below other clients.
 503   @layer < 0 indicates the client should be placed below other clients.<br>
 504          = 0 indicates the client should be placed with other clients.<br>
 505          > 0 indicates the client should be placed above other clients.
 506 */
 507 void client_set_layer(Client *self, int layer);
 508
 509 #endif