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

   1 #ifndef __client_h
   2 #define __client_h
   3
   4 #include "geom.h"
   5 #include "obexport.h"
   6 #include <glib.h>
   7 #include <X11/Xlib.h>
   8
   9 struct ClientWrap;
  10 struct Frame;
  11
  12
  13 /*! Holds an icon in ARGB format */
  14 typedef struct Icon {
  15     unsigned long w, h;
  16     unsigned long *data;
  17 } Icon;
  18
  19 /*! The MWM Hints as retrieved from the window property
  20   This structure only contains 3 elements, even though the Motif 2.0
  21   structure contains 5. We only use the first 3, so that is all gets
  22   defined.
  23 */
  24 typedef struct MwmHints {
  25     /*! A bitmask of Client::MwmFlags values */
  26     unsigned long flags;
  27     /*! A bitmask of Client::MwmFunctions values */
  28     unsigned long functions;
  29     /*! A bitmask of Client::MwmDecorations values */
  30     unsigned long decorations;
  31 } MwmHints;
  32 /*! The number of elements in the Client::MwmHints struct */
  33 #define MWM_ELEMENTS 3
  34
  35 /*! Possible flags for MWM Hints (defined by Motif 2.0) */
  36 typedef enum {
  37     MwmFlag_Functions   = 1 << 0, /*!< The MMW Hints define funcs */
  38     MwmFlag_Decorations = 1 << 1  /*!< The MWM Hints define decor */
  39 } MwmFlags;
  40
  41 /*! Possible functions for MWM Hints (defined by Motif 2.0) */
  42 typedef enum {
  43     MwmFunc_All      = 1 << 0, /*!< All functions */
  44     MwmFunc_Resize   = 1 << 1, /*!< Allow resizing */
  45     MwmFunc_Move     = 1 << 2, /*!< Allow moving */
  46     MwmFunc_Iconify  = 1 << 3, /*!< Allow to be iconfied */
  47     MwmFunc_Maximize = 1 << 4  /*!< Allow to be maximized */
  48     /*MwmFunc_Close    = 1 << 5 /!< Allow to be closed */
  49 } MwmFunctions;
  50
  51 /*! Possible decorations for MWM Hints (defined by Motif 2.0) */
  52 typedef enum {
  53     MwmDecor_All      = 1 << 0, /*!< All decorations */
  54     MwmDecor_Border   = 1 << 1, /*!< Show a border */
  55     MwmDecor_Handle   = 1 << 2, /*!< Show a handle (bottom) */
  56     MwmDecor_Title    = 1 << 3, /*!< Show a titlebar */
  57     /*MwmDecor_Menu     = 1 << 4, /!< Show a menu */
  58     MwmDecor_Iconify  = 1 << 5, /*!< Show an iconify button */
  59     MwmDecor_Maximize = 1 << 6  /*!< Show a maximize button */
  60 } MemDecorations;
  61
  62
  63 typedef struct Client {
  64     Window  window;
  65
  66     struct Frame *frame;
  67
  68     /*! The number of unmap events to ignore on the window */
  69     int ignore_unmaps;
  70
  71     /*! The id of the group the window belongs to */
  72     Window  group;
  73     /*! Whether or not the client is a transient window. This is guaranteed to
  74       be TRUE if transient_for != NULL, but not guaranteed to be FALSE if
  75       transient_for == NULL. */
  76     gboolean transient;
  77     /*! The client which this client is a transient (child) for */
  78     struct Client *transient_for;
  79     /*! The clients which are transients (children) of this client */
  80     GSList *transients;
  81     /*! The desktop on which the window resides (0xffffffff for all
  82       desktops) */
  83     unsigned int desktop;
  84
  85     /*! Normal window title */
  86     gchar *title;
  87     /*! Window title when iconified */
  88     gchar *icon_title;
  89
  90     /*! The application that created the window */
  91     gchar *res_name;
  92     /*! The class of the window, can used for grouping */
  93     gchar *res_class;
  94     /*! The specified role of the window, used for identification */
  95     gchar *role;
  96
  97     /*! The type of window (what its function is) */
  98     WindowType type;
  99
 100     /*! Position and size of the window
 101       This will not always be the actual position of the window on screen, it
 102       is, rather, the position requested by the client, to which the window's
 103       gravity is applied.
 104     */
 105     Rect    area;
 106
 107     /*! The window's strut
 108       The strut defines areas of the screen that are marked off-bounds for
 109       window placement. In theory, where this window exists.
 110     */
 111     Strut   strut;
 112
 113     /*! The logical size of the window
 114       The "logical" size of the window is refers to the user's perception of
 115       the size of the window, and is the value that should be displayed to the
 116       user. For example, with xterms, this value it the number of characters
 117       being displayed in the terminal, instead of the number of pixels.
 118     */
 119     Size   logical_size;
 120
 121     /*! Width of the border on the window.
 122       The window manager will set this to 0 while the window is being managed,
 123       but needs to restore it afterwards, so it is saved here.
 124     */
 125     guint border_width;
 126
 127     /*! The minimum aspect ratio the client window can be sized to.
 128       A value of 0 means this is ignored.
 129     */
 130     float min_ratio;
 131     /*! The maximum aspect ratio the client window can be sized to.
 132       A value of 0 means this is ignored.
 133     */
 134     float max_ratio;
 135
 136     /*! The minimum size of the client window
 137       If the min is > the max, then the window is not resizable
 138     */
 139     Size min_size;
 140     /*! The maximum size of the client window
 141       If the min is > the max, then the window is not resizable
 142     */
 143     Size max_size;
 144     /*! The size of increments to resize the client window by */
 145     Size size_inc;
 146     /*! The base size of the client window
 147       This value should be subtracted from the window's actual size when
 148       displaying its size to the user, or working with its min/max size
 149     */
 150     Size base_size;
 151
 152     /*! Window decoration and functionality hints */
 153     MwmHints mwmhints;
 154
 155     /*! Where to place the decorated window in relation to the undecorated
 156       window */
 157     int gravity;
 158
 159     /*! The state of the window, one of WithdrawnState, IconicState, or
 160       NormalState */
 161     long wmstate;
 162
 163     /*! True if the client supports the delete_window protocol */
 164     gboolean delete_window;
 165
 166     /*! Was the window's position requested by the application? if not, we
 167       should place the window ourselves when it first appears */
 168     gboolean positioned;
 169
 170     /*! Can the window receive input focus? */
 171     gboolean can_focus;
 172     /*! Urgency flag */
 173     gboolean urgent;
 174     /*! Notify the window when it receives focus? */
 175     gboolean focus_notify;
 176     /*! Does the client window have the input focus? */
 177     gboolean focused;
 178
 179     /*! The window uses shape extension to be non-rectangular? */
 180     gboolean shaped;
 181
 182     /*! The window is modal, so it must be processed before any windows it is
 183       related to can be focused */
 184     gboolean modal;
 185     /*! Only the window's titlebar is displayed */
 186     gboolean shaded;
 187     /*! The window is iconified */
 188     gboolean iconic;
 189     /*! The window is maximized to fill the screen vertically */
 190     gboolean max_vert;
 191     /*! The window is maximized to fill the screen horizontally */
 192     gboolean max_horz;
 193     /*! The window should not be displayed by pagers */
 194     gboolean skip_pager;
 195     /*! The window should not be displayed by taskbars */
 196     gboolean skip_taskbar;
 197     /*! The window is a 'fullscreen' window, and should be on top of all
 198       others */
 199     gboolean fullscreen;
 200     /*! The window should be on top of other windows of the same type */
 201     gboolean above;
 202     /*! The window should be underneath other windows of the same type */
 203     gboolean below;
 204
 205     /*! The layer in which the window will be stacked, windows in lower layers
 206       are always below windows in higher layers. */
 207     StackLayer layer;
 208
 209     /*! A bitmask of values in the Decoration enum
 210       The values in the variable are the decorations that the client wants to
 211       be displayed around it.
 212     */
 213     int decorations;
 214
 215     /*! A bitmask of values in the Decoration enum.
 216       Specifies the decorations that should NOT be displayed on the client.
 217     */
 218     int disabled_decorations;
 219
 220     /*! A bitmask of values in the Function enum
 221       The values in the variable specify the ways in which the user is allowed
 222       to modify this window.
 223     */
 224     int functions;
 225
 226     /*! Icons for the client as specified on the client window */
 227     Icon *icons;
 228     /*! The number of icons in icons */
 229     int nicons;
 230
 231     /*! The icon for the client specified in the WMHints or the KWM hints */
 232     Pixmap pixmap_icon;
 233     /*! The mask for the pixmap_icon, or None if its not masked */
 234     Pixmap pixmap_icon_mask;
 235
 236     /* The instance of the wrapper class if one exists */
 237     struct ClientWrap *wrap;
 238 } Client;
 239
 240 extern GSList *client_list;
 241 extern GHashTable *client_map;
 242
 243 void client_startup();
 244 void client_shutdown();
 245
 246 /*! Manages all existing windows */
 247 void client_manage_all();
 248 /*! Manages a given window */
 249 void client_manage(Window win);
 250 /*! Unmanages all managed windows */
 251 void client_unmanage_all();
 252 /*! Unmanages a given client */
 253 void client_unmanage(Client *client);
 254
 255 /*! Sets the client list on the root window from the client_list */
 256 void client_set_list();
 257
 258 /*! Reapplies the maximized state to the window
 259   Use this to make the window readjust its maximized size to new
 260   surroundings (struts, etc). */
 261 void client_remaximize(Client *self);
 262
 263 /*! Shows the window if it should be shown, or hides it
 264   Used when changing desktops, the window's state, etc. */
 265 void client_showhide(Client *self);
 266
 267 /*! Returns if the window should be treated as a normal window.
 268   Some windows (desktops, docks, splash screens) have special rules applied
 269   to them in a number of places regarding focus or user interaction. */
 270 gboolean client_normal(Client *self);
 271
 272 /*! Internal version of the Client::resize function
 273   This also maintains things like the client's minsize, and size increments.
 274   @param anchor The corner to keep in the same position when resizing.
 275   @param x The x coordiante of the new position for the client.
 276   @param y The y coordiante of the new position for the client.
 277   @param w The width component of the new size for the client.
 278   @param h The height component of the new size for the client.
 279   @param user Specifies whether this is a user-requested change or a
 280               program requested change. For program requested changes, the
 281               constraints are not checked.
 282   @param final If user is true, then this should specify if this is a final
 283                configuration. e.g. Final should be FALSE if doing an
 284                interactive move/resize, and then be TRUE for the last call
 285                only.
 286 */
 287 void client_configure(Client *self, Corner anchor, int x, int y, int w, int h,
 288                       gboolean user, gboolean final);
 289
 290 /*! Fullscreen's or unfullscreen's the client window
 291   @param fs true if the window should be made fullscreen; false if it should
 292             be returned to normal state.
 293   @param savearea true to have the client's current size and position saved;
 294                   otherwise, they are not. You should not save when mapping a
 295                   new window that is set to fullscreen. This has no effect
 296                   when restoring a window from fullscreen.
 297 */
 298 void client_fullscreen(Client *self, gboolean fs, gboolean savearea);
 299
 300 /*! Iconifies or uniconifies the client window
 301   @param iconic true if the window should be iconified; false if it should be
 302                 restored.
 303   @param curdesk If iconic is FALSE, then this determines if the window will
 304                  be uniconified to the current viewable desktop (true) or to
 305                  its previous desktop (false)
 306 */
 307 void client_iconify(Client *self, gboolean iconic, gboolean curdesk);
 308
 309 /*! Maximize or unmaximize the client window
 310   @param max true if the window should be maximized; false if it should be
 311              returned to normal size.
 312   @param dir 0 to set both horz and vert, 1 to set horz, 2 to set vert.
 313   @param savearea true to have the client's current size and position saved;
 314                   otherwise, they are not. You should not save when mapping a
 315                   new window that is set to fullscreen. This has no effect
 316                   when unmaximizing a window.
 317 */
 318 void client_maximize(Client *self, gboolean max, int dir,
 319                      gboolean savearea);
 320
 321 /*! Shades or unshades the client window
 322   @param shade true if the window should be shaded; false if it should be
 323                unshaded.
 324 */
 325 void client_shade(Client *self, gboolean shade);
 326
 327 /*! Request the client to close its window. */
 328 void client_close(Client *self);
 329
 330 /*! Sends the window to the specified desktop */
 331 void client_set_desktop(Client *self, unsigned int target);
 332
 333 /*! Return a modal child of the client window
 334     @return A modal child of the client window, or 0 if none was found.
 335 */
 336 Client *client_find_modal_child(Client *self);
 337
 338 /*! Validate client, by making sure no Destroy or Unmap events exist in
 339   the event queue for the window.
 340   @return true if the client is valid; false if the client has already
 341           been unmapped/destroyed, and so is invalid.
 342 */
 343 gboolean client_validate(Client *self);
 344
 345 /*! Sets the wm_state to the specified value */
 346 void client_set_wm_state(Client *self, long state);
 347
 348 /*! Adjusts the window's net_state
 349   This should not be called as part of the window mapping process! It is for
 350   use when updating the state post-mapping.<br>
 351   client_apply_startup_state is used to do the same things during the mapping
 352   process.
 353 */
 354 void client_set_state(Client *self, Atom action, long data1, long data2);
 355
 356 /*! Attempt to focus the client window */
 357 gboolean client_focus(Client *self);
 358
 359 /*! Remove focus from the client window */
 360 void client_unfocus(Client *self);
 361
 362 /*! Calculates the stacking layer for the client window */
 363 void client_calc_layer(Client *self);
 364
 365 /*! Updates the window's transient status, and any parents of it */
 366 void client_update_transient_for(Client *self);
 367 /*! Update the protocols that the window supports and adjusts things if they
 368   change */
 369 void client_update_protocols(Client *self);
 370 /*! Updates the WMNormalHints and adjusts things if they change */
 371 void client_update_normal_hints(Client *self);
 372
 373 /*! Updates the WMHints and adjusts things if they change
 374   @param initstate Whether to read the initial_state property from the
 375                    WMHints. This should only be used during the mapping
 376                    process.
 377 */
 378 void client_update_wmhints(Client *self);
 379 /*! Updates the window's title */
 380 void client_update_title(Client *self);
 381 /*! Updates the window's icon title */
 382 void client_update_icon_title(Client *self);
 383 /*! Updates the window's application name and class */
 384 void client_update_class(Client *self);
 385 /*! Updates the strut for the client */
 386 void client_update_strut(Client *self);
 387 /*! Updates the window's icons */
 388 void client_update_icons(Client *self);
 389 /*! Updates the window's kwm icon */
 390 void client_update_kwm_icon(Client *self);
 391
 392 /*! Set up what decor should be shown on the window and what functions should
 393   be allowed (Client::_decorations and Client::_functions).
 394   This also updates the NET_WM_ALLOWED_ACTIONS hint.
 395 */
 396 void client_setup_decor_and_functions(Client *self);
 397
 398 /*! Retrieves the window's type and sets Client->type */
 399 void client_get_type(Client *self);
 400
 401 #endif