window.c

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