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