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