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