window.c

   1 /*
   2  * window.c - window handling functions
   3  *
   4  * Copyright © 2007-2008 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 #include <X11/Xatom.h>
  23 #include <X11/extensions/shape.h>
  24
  25 #include "structs.h"
  26 #include "window.h"
  27
  28 extern AwesomeConf globalconf;
  29
  30 /** Mask shorthands */
  31 #define BUTTONMASK     (ButtonPressMask | ButtonReleaseMask)
  32
  33 /** Set client WM_STATE property
  34  * \param win Window
  35  * \param state state
  36  * \return XChangeProperty result
  37  */
  38 int
  39 window_setstate(Window win, long state)
  40 {
  41     long data[] = { state, None };
  42
  43     return XChangeProperty(globalconf.display, win, XInternAtom(globalconf.display, "WM_STATE", False),
  44                            XInternAtom(globalconf.display, "WM_STATE", False),  32,
  45                            PropModeReplace, (unsigned char *) data, 2);
  46 }
  47
  48 /** Get a window state (WM_STATE)
  49  * \param w Client window
  50  * \return state
  51  */
  52 long
  53 window_getstate(Window w)
  54 {
  55     int format;
  56     long result = -1;
  57     unsigned char *p = NULL;
  58     unsigned long n, extra;
  59     Atom real;
  60     if(XGetWindowProperty(globalconf.display, w, XInternAtom(globalconf.display, "WM_STATE", False),
  61                           0L, 2L, False, XInternAtom(globalconf.display, "WM_STATE", False),
  62                           &real, &format, &n, &extra, (unsigned char **) &p) != Success)
  63         return -1;
  64     if(n != 0)
  65         result = *p;
  66     p_delete(&p);
  67     return result;
  68 }
  69
  70 /** Configure a window with its new geometry and border
  71  * \param win the X window id
  72  * \param geometry the new window geometry
  73  * \param border new border size
  74  * \return the XSendEvent() status
  75  */
  76 Status
  77 window_configure(Window win, Area geometry, int border)
  78 {
  79     XConfigureEvent ce;
  80
  81     ce.type = ConfigureNotify;
  82     ce.display = globalconf.display;
  83     ce.event = win;
  84     ce.window = win;
  85     ce.x = geometry.x;
  86     ce.y = geometry.y;
  87     ce.width = geometry.width;
  88     ce.height = geometry.height;
  89     ce.border_width = border;
  90     ce.above = None;
  91     ce.override_redirect = False;
  92     return XSendEvent(globalconf.display, win, False, StructureNotifyMask, (XEvent *) & ce);
  93 }
  94
  95 /** Grab or ungrab buttons on a window
  96  * \param screen The screen
  97  * \param win The window
  98  */
  99 void
 100 window_grabbuttons(int phys_screen, Window win)
 101 {
 102     Button *b;
 103
 104     XGrabButton(globalconf.display, Button1, NoSymbol,
 105                 win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
 106     XGrabButton(globalconf.display, Button1, NoSymbol | LockMask,
 107                 win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
 108     XGrabButton(globalconf.display, Button1, NoSymbol | globalconf.numlockmask,
 109                 win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
 110     XGrabButton(globalconf.display, Button1, NoSymbol | globalconf.numlockmask | LockMask,
 111                 win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
 112
 113     for(b = globalconf.buttons.client; b; b = b->next)
 114     {
 115         XGrabButton(globalconf.display, b->button, b->mod,
 116                     win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 117         XGrabButton(globalconf.display, b->button, b->mod | LockMask,
 118                     win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 119         XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask,
 120                     win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 121         XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask | LockMask,
 122                     win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 123     }
 124
 125     XUngrabButton(globalconf.display, AnyButton, AnyModifier, RootWindow(globalconf.display, phys_screen));
 126 }
 127
 128 /** Grab buttons on root window
 129  * \param phys_screen physical screen id
 130  */
 131 void
 132 window_root_grabbuttons(int phys_screen)
 133 {
 134     Button *b;
 135
 136     for(b = globalconf.buttons.root; b; b = b->next)
 137     {
 138         XGrabButton(globalconf.display, b->button, b->mod,
 139                     RootWindow(globalconf.display, phys_screen), False, BUTTONMASK,
 140                     GrabModeAsync, GrabModeSync, None, None);
 141         XGrabButton(globalconf.display, b->button, b->mod | LockMask,
 142                     RootWindow(globalconf.display, phys_screen), False, BUTTONMASK,
 143                     GrabModeAsync, GrabModeSync, None, None);
 144         XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask,
 145                     RootWindow(globalconf.display, phys_screen), False, BUTTONMASK,
 146                     GrabModeAsync, GrabModeSync, None, None);
 147         XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask | LockMask,
 148                     RootWindow(globalconf.display, phys_screen), False, BUTTONMASK,
 149                     GrabModeAsync, GrabModeSync, None, None);
 150     }
 151 }
 152
 153 /** Grab keys on root window
 154  * \param phys_screen physical screen id
 155  */
 156 void
 157 window_root_grabkeys(int phys_screen)
 158 {
 159     Key *k;
 160
 161     XUngrabKey(globalconf.display, AnyKey, AnyModifier, RootWindow(globalconf.display, phys_screen));
 162
 163     for(k = globalconf.keys; k; k = k->next)
 164         if(k->keycode)
 165         {
 166              XGrabKey(globalconf.display, k->keycode, k->mod,
 167                       RootWindow(globalconf.display, phys_screen), True, GrabModeAsync, GrabModeAsync);
 168              XGrabKey(globalconf.display, k->keycode, k->mod | LockMask,
 169                       RootWindow(globalconf.display, phys_screen), True, GrabModeAsync, GrabModeAsync);
 170              XGrabKey(globalconf.display, k->keycode, k->mod | globalconf.numlockmask,
 171                       RootWindow(globalconf.display, phys_screen), True, GrabModeAsync, GrabModeAsync);
 172              XGrabKey(globalconf.display, k->keycode, k->mod | globalconf.numlockmask | LockMask,
 173                       RootWindow(globalconf.display, phys_screen), True, GrabModeAsync, GrabModeAsync);
 174         }
 175 }
 176
 177 void
 178 window_setshape(int screen, Window win)
 179 {
 180     int bounding_shaped;
 181     int i, b;  unsigned int u;  /* dummies */
 182     /* Logic to decide if we have a shaped window cribbed from fvwm-2.5.10. */
 183     if(XShapeQueryExtents(globalconf.display, win, &bounding_shaped, &i, &i,
 184                           &u, &u, &b, &i, &i, &u, &u) && bounding_shaped)
 185         XShapeCombineShape(globalconf.display, RootWindow(globalconf.display, screen), ShapeBounding, 0, 0, win, ShapeBounding, ShapeSet);
 186 }
 187
 188 int
 189 window_settrans(Window win, double opacity)
 190 {
 191     int status;
 192     unsigned int real_opacity = 0xffffffff;
 193
 194     if(opacity >= 0 && opacity <= 100)
 195     {
 196         real_opacity = ((opacity / 100.0) * 0xffffffff);
 197         status = XChangeProperty(globalconf.display, win,
 198                                  XInternAtom(globalconf.display, "_NET_WM_WINDOW_OPACITY", False),
 199                                  XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &real_opacity, 1L);
 200     }
 201     else
 202         status = XDeleteProperty(globalconf.display, win,
 203                                  XInternAtom(globalconf.display, "_NET_WM_WINDOW_OPACITY", False));
 204
 205     return status;
 206 }
 207
 208 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80