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