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