client.h

   1 /*
   2  * client.h - client management header
   3  *
   4  * Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #ifndef AWESOME_CLIENT_H
  23 #define AWESOME_CLIENT_H
  24
  25 #include "mouse.h"
  26 #include "stack.h"
  27 #include "strut.h"
  28 #include "common/luaobject.h"
  29
  30 #define CLIENT_SELECT_INPUT_EVENT_MASK (XCB_EVENT_MASK_STRUCTURE_NOTIFY \
  31                                         | XCB_EVENT_MASK_PROPERTY_CHANGE \
  32                                         | XCB_EVENT_MASK_ENTER_WINDOW \
  33                                         | XCB_EVENT_MASK_LEAVE_WINDOW \
  34                                         | XCB_EVENT_MASK_FOCUS_CHANGE)
  35
  36 /** Windows type */
  37 typedef enum
  38 {
  39     WINDOW_TYPE_NORMAL = 0,
  40     WINDOW_TYPE_DESKTOP,
  41     WINDOW_TYPE_DOCK,
  42     WINDOW_TYPE_SPLASH,
  43     WINDOW_TYPE_DIALOG,
  44     /* The ones below may have TRANSIENT_FOR, but are not plain dialogs.
  45      * They were purposefully placed below DIALOG.
  46      */
  47     WINDOW_TYPE_MENU,
  48     WINDOW_TYPE_TOOLBAR,
  49     WINDOW_TYPE_UTILITY,
  50     /* This ones are usually set on override-redirect windows. */
  51     WINDOW_TYPE_DROPDOWN_MENU,
  52     WINDOW_TYPE_POPUP_MENU,
  53     WINDOW_TYPE_TOOLTIP,
  54     WINDOW_TYPE_NOTIFICATION,
  55     WINDOW_TYPE_COMBO,
  56     WINDOW_TYPE_DND
  57 } window_type_t;
  58
  59 /** client_t type */
  60 struct client_t
  61 {
  62     LUA_OBJECT_HEADER
  63     /** Valid, or not ? */
  64     bool invalid;
  65     /** Client name */
  66     char *name, *alt_name, *icon_name, *alt_icon_name;
  67     /** WM_CLASS stuff */
  68     char *class, *instance;
  69     /** Window geometry */
  70     area_t geometry;
  71     struct
  72     {
  73         /** Client geometry when (un)fullscreen */
  74         area_t fullscreen;
  75         /** Client geometry when (un)-max */
  76         area_t max;
  77         /** Internal geometry (matching X11 protocol) */
  78         area_t internal;
  79     } geometries;
  80     /** Strut */
  81     strut_t strut;
  82     /** Border width and pre-fullscreen border width */
  83     int border_width, border_width_fs;
  84     xcolor_t border_color;
  85     /** True if the client is sticky */
  86     bool sticky;
  87     /** Has urgency hint */
  88     bool urgent;
  89     /** True if the client is hidden */
  90     bool hidden;
  91     /** True if the client is minimized */
  92     bool minimized;
  93     /** True if the client is fullscreen */
  94     bool fullscreen;
  95     /** True if the client is maximized horizontally */
  96     bool maximized_horizontal;
  97     /** True if the client is maximized vertically */
  98     bool maximized_vertical;
  99     /** True if the client is above others */
 100     bool above;
 101     /** True if the client is below others */
 102     bool below;
 103     /** True if the client is modal */
 104     bool modal;
 105     /** True if the client is on top */
 106     bool ontop;
 107     /** True if a client is banned to a position outside the viewport.
 108      * Note that the geometry remains unchanged and that the window is still mapped.
 109      */
 110     bool isbanned;
 111     /** true if the client must be skipped from task bar client list */
 112     bool skip_taskbar;
 113     /** True if the client cannot have focus */
 114     bool nofocus;
 115     /** The window type */
 116     window_type_t type;
 117     /** Window of the client */
 118     xcb_window_t window;
 119     /** Window of the group leader */
 120     xcb_window_t group_window;
 121     /** Window holding command needed to start it (session management related) */
 122     xcb_window_t leader_window;
 123     /** Client's WM_PROTOCOLS property */
 124     xcb_get_wm_protocols_reply_t protocols;
 125     /** Client logical screen */
 126     screen_t *screen;
 127     /** Client physical screen */
 128     int phys_screen;
 129     /** Titlebar */
 130     wibox_t *titlebar;
 131     /** Button bindings */
 132     button_array_t buttons;
 133     /** Key bindings */
 134     key_array_t keys;
 135     /** Icon */
 136     image_t *icon;
 137     /** Size hints */
 138     xcb_size_hints_t size_hints;
 139     bool size_hints_honor;
 140     /** Machine the client is running on. */
 141     char *machine;
 142     /** Role of the client */
 143     char *role;
 144     /** Client pid */
 145     uint32_t pid;
 146     /** Window it is transient for */
 147     client_t *transient_for;
 148     /** Window opacity */
 149     double opacity;
 150 };
 151
 152 client_t * luaA_client_checkudata(lua_State *, int);
 153
 154 ARRAY_FUNCS(client_t *, client, DO_NOTHING)
 155
 156 /** Client class */
 157 lua_class_t client_class;
 158
 159 LUA_OBJECT_FUNCS(client_class, client_t, client)
 160
 161 #define client_need_reban(c) \
 162     do { \
 163         if(!c->screen->need_reban \
 164            && client_isvisible(c, (c)->screen)) \
 165             c->screen->need_reban = true; \
 166     } while(0)
 167
 168 bool client_maybevisible(client_t *, screen_t *);
 169 client_t * client_getbywin(xcb_window_t);
 170 void client_ban(client_t *);
 171 void client_unban(client_t *);
 172 void client_manage(xcb_window_t, xcb_get_geometry_reply_t *, int, bool);
 173 area_t client_geometry_hints(client_t *, area_t);
 174 bool client_resize(client_t *, area_t, bool);
 175 void client_unmanage(client_t *);
 176 void client_kill(client_t *);
 177 void client_set_sticky(lua_State *, int, bool);
 178 void client_set_above(lua_State *, int, bool);
 179 void client_set_below(lua_State *, int, bool);
 180 void client_set_modal(lua_State *, int, bool);
 181 void client_set_ontop(lua_State *, int, bool);
 182 void client_set_fullscreen(lua_State *, int, bool);
 183 void client_set_maximized_horizontal(lua_State *, int, bool);
 184 void client_set_maximized_vertical(lua_State *, int, bool);
 185 void client_set_minimized(lua_State *, int, bool);
 186 void client_set_border_width(lua_State *, int, int);
 187 void client_set_urgent(lua_State *, int, bool);
 188 void client_set_pid(lua_State *, int, uint32_t);
 189 void client_set_role(lua_State *, int, char *);
 190 void client_set_machine(lua_State *, int, char *);
 191 void client_set_icon_name(lua_State *, int, char *);
 192 void client_set_alt_icon_name(lua_State *, int, char *);
 193 void client_set_class_instance(lua_State *, int, const char *, const char *);
 194 void client_set_type(lua_State *L, int, window_type_t);
 195 void client_set_transient_for(lua_State *L, int, client_t *);
 196 void client_set_name(lua_State *L, int, char *);
 197 void client_set_alt_name(lua_State *L, int, char *);
 198 void client_set_group_window(lua_State *, int, xcb_window_t);
 199 void client_set_icon(lua_State *, int, int);
 200 void client_set_skip_taskbar(lua_State *, int, bool);
 201 void client_set_opacity(lua_State *, int, double);
 202 void client_focus(client_t *);
 203 void client_focus_update(client_t *);
 204 void client_unfocus(client_t *);
 205 void client_unfocus_update(client_t *);
 206 void client_stack_refresh(void);
 207 bool client_hasproto(client_t *, xcb_atom_t);
 208 void client_set_focus(client_t *, bool);
 209 void client_ignore_enterleave_events(void);
 210 void client_restore_enterleave_events(void);
 211 void client_class_setup(lua_State *);
 212
 213 static inline void
 214 client_stack(void)
 215 {
 216     globalconf.client_need_stack_refresh = true;
 217 }
 218
 219 /** Put client on top of the stack.
 220  * \param c The client to raise.
 221  */
 222 static inline void
 223 client_raise(client_t *c)
 224 {
 225     client_t *tc = c;
 226     int counter = 0;
 227
 228     /* Find number of transient layers.
 229      * We limit the counter to the stack length: if some case, a buggy
 230      * application might set transient_for as a loop… */
 231     for(counter = 0; tc->transient_for && counter <= globalconf.stack.len; counter++)
 232         tc = tc->transient_for;
 233
 234     /* Push them in reverse order. */
 235     for(; counter > 0; counter--)
 236     {
 237         tc = c;
 238         for(int i = 0; i < counter; i++)
 239             tc = tc->transient_for;
 240         stack_client_append(tc);
 241     }
 242
 243     /* Push c on top of the stack. */
 244     stack_client_append(c);
 245     client_stack();
 246 }
 247
 248 /** Put client on the end of the stack.
 249  * \param c The client to lower.
 250  */
 251 static inline void
 252 client_lower(client_t *c)
 253 {
 254     stack_client_push(c);
 255
 256     /* Traverse all transient layers. */
 257     for(client_t *tc = c->transient_for; tc; tc = tc->transient_for)
 258         stack_client_push(tc);
 259
 260     client_stack();
 261 }
 262
 263 /** Check if a client has fixed size.
 264  * \param c A client.
 265  * \return A boolean value, true if the client has a fixed size.
 266  */
 267 static inline bool
 268 client_isfixed(client_t *c)
 269 {
 270     return (c->size_hints.flags & XCB_SIZE_HINT_P_MAX_SIZE
 271             && c->size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE
 272             && c->size_hints.max_width == c->size_hints.min_width
 273             && c->size_hints.max_height == c->size_hints.min_height
 274             && c->size_hints.max_width
 275             && c->size_hints.max_height);
 276 }
 277
 278 /** Returns true if a client is tagged with one of the tags of the
 279  * specified screen and is not hidden. Note that "banned" clients are included.
 280  * \param c The client to check.
 281  * \param screen Virtual screen number.
 282  * \return true if the client is visible, false otherwise.
 283  */
 284 static inline bool
 285 client_isvisible(client_t *c, screen_t *screen)
 286 {
 287     return (!c->hidden && !c->minimized && client_maybevisible(c, screen));
 288 }
 289
 290 /** Check if a client has strut information.
 291  * \param c A client.
 292  * \return A boolean value, true if the client has strut information.
 293  */
 294 static inline bool
 295 client_hasstrut(client_t *c)
 296 {
 297     return (c->strut.left
 298             || c->strut.right
 299             || c->strut.top
 300             || c->strut.bottom
 301             || c->strut.left_start_y
 302             || c->strut.left_end_y
 303             || c->strut.right_start_y
 304             || c->strut.right_end_y
 305             || c->strut.top_start_x
 306             || c->strut.top_end_x
 307             || c->strut.bottom_start_x
 308             || c->strut.bottom_end_x);
 309 }
 310
 311 #endif
 312 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80