screen.c

   1 /*
   2  * screen.c - screen management
   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 "util.h"
  23 #include "screen.h"
  24
  25 /** Get screens info
  26  * \param disp Display ref
  27  * \param statusbar statusbar
  28  * \param screen_number int pointer filled with number of screens
  29  * \return ScreenInfo struct array with all screens info
  30  */
  31 ScreenInfo *
  32 get_screen_info(Display *disp, Statusbar statusbar, int *screen_number)
  33 {
  34     int i;
  35     ScreenInfo *si;
  36
  37     if(XineramaIsActive(disp))
  38         si = XineramaQueryScreens(disp, screen_number);
  39     else
  40     {
  41         /* emulate Xinerama info */
  42         *screen_number = 1;
  43         si = p_new(XineramaScreenInfo, 1);
  44         si->width = DisplayWidth(disp, DefaultScreen(disp));
  45         si->height = DisplayHeight(disp, DefaultScreen(disp));
  46         si->x_org = 0;
  47         si->y_org = 0;
  48     }
  49
  50     for(i = 0; i < *screen_number; i++)
  51     {
  52         if(statusbar.position == BarTop
  53            || statusbar.position == BarBot)
  54             si[i].height -= statusbar.height;
  55         if(statusbar.position == BarTop)
  56             si[i].y_org += statusbar.height;
  57     }
  58
  59     return si;
  60 }
  61
  62 /** Get display info
  63  * \param disp Display ref
  64  * \param statusbar statusbar
  65  * \return ScreenInfo struct pointer with all display info
  66  */
  67 ScreenInfo *
  68 get_display_info(Display *disp, Statusbar statusbar)
  69 {
  70     ScreenInfo *si;
  71
  72     si = p_new(ScreenInfo, 1);
  73
  74     si->x_org = 0;
  75     si->y_org = statusbar.position == BarTop ? statusbar.height : 0;
  76     si->width = DisplayWidth(disp, DefaultScreen(disp));
  77     si->height = DisplayHeight(disp, DefaultScreen(disp)) -
  78         ((statusbar.position == BarTop || statusbar.position == BarBot) ? statusbar.height : 0);
  79
  80     return si;
  81 }