statusbar.c

   1 /*
   2  * draw.c - draw 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 "layout.h"
  23 #include "statusbar.h"
  24 #include "draw.h"
  25 #include "screen.h"
  26 #include "util.h"
  27
  28 extern Client *clients, *sel, *stack;   /* global client list and stack */
  29
  30 /** Check if at least a client is tagged with tag number t and is on screen
  31  * screen
  32  * \param t tag number
  33  * \param screen screen number
  34  * \return True or False
  35  */
  36 static Bool
  37 isoccupied(unsigned int t, int screen)
  38 {
  39     Client *c;
  40
  41     for(c = clients; c; c = c->next)
  42         if(c->tags[t] && c->screen == screen)
  43             return True;
  44     return False;
  45 }
  46
  47 void
  48 drawstatusbar(Display *disp, int screen, DC *drawcontext, awesome_config * awesomeconf)
  49 {
  50     int x, i;
  51     drawcontext->x = drawcontext->y = 0;
  52     for(i = 0; i < awesomeconf->ntags; i++)
  53     {
  54         drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->tags[i], drawcontext->font.height);
  55         if(awesomeconf->selected_tags[i])
  56         {
  57             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i], drawcontext->sel);
  58             drawsquare(disp, *drawcontext, sel && sel->tags[i], isoccupied(i, screen), drawcontext->sel, &awesomeconf->statusbar);
  59         }
  60         else
  61         {
  62             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i], drawcontext->norm);
  63             drawsquare(disp, *drawcontext, sel && sel->tags[i], isoccupied(i, screen), drawcontext->norm, &awesomeconf->statusbar);
  64         }
  65         drawcontext->x += drawcontext->w;
  66     }
  67     drawcontext->w = awesomeconf->statusbar.width;
  68     drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->current_layout->symbol, drawcontext->norm);
  69     x = drawcontext->x + drawcontext->w;
  70     drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->statustext, drawcontext->font.height);
  71     drawcontext->x = DisplayWidth(disp, screen) - drawcontext->w;
  72     if(drawcontext->x < x)
  73     {
  74         drawcontext->x = x;
  75         drawcontext->w = DisplayWidth(disp, screen) - x;
  76     }
  77     drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->statustext, drawcontext->norm);
  78     if((drawcontext->w = drawcontext->x - x) > awesomeconf->statusbar.height)
  79     {
  80         drawcontext->x = x;
  81         if(sel)
  82         {
  83             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, sel->name, drawcontext->sel);
  84             drawsquare(disp, *drawcontext, sel->ismax, sel->isfloating, drawcontext->sel, &awesomeconf->statusbar);
  85         }
  86         else
  87             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, NULL, drawcontext->norm);
  88     }
  89     XCopyArea(disp, awesomeconf->statusbar.drawable, awesomeconf->statusbar.window, drawcontext->gc, 0, 0, DisplayWidth(disp, screen), awesomeconf->statusbar.height, 0, 0);
  90     XSync(disp, False);
  91 }
  92
  93 void
  94 initstatusbar(Display *disp, int screen, DC *drawcontext, Statusbar *statusbar)
  95 {
  96     XSetWindowAttributes wa;
  97
  98     statusbar->screen = screen;
  99
 100     wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
 101         | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
 102     wa.cursor = drawcontext->cursor[CurNormal];
 103     wa.override_redirect = 1;
 104     wa.background_pixmap = ParentRelative;
 105     wa.event_mask = ButtonPressMask | ExposureMask;
 106     statusbar->window = XCreateWindow(disp, RootWindow(disp, screen), 0, 0, DisplayWidth(disp, screen),
 107                                       statusbar->height, 0, DefaultDepth(disp, screen), CopyFromParent,
 108                                       DefaultVisual(disp, screen), CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 109     XDefineCursor(disp, statusbar->window, drawcontext->cursor[CurNormal]);
 110     updatebarpos(disp, *statusbar);
 111     XMapRaised(disp, statusbar->window);
 112     statusbar->drawable = XCreatePixmap(disp,
 113                                         RootWindow(disp, screen),
 114                                         DisplayWidth(disp, screen),
 115                                         statusbar->height,
 116                                         DefaultDepth(disp, screen));
 117 }
 118
 119 void
 120 updatebarpos(Display *disp, Statusbar statusbar)
 121 {
 122     XEvent ev;
 123     ScreenInfo *si;
 124
 125     switch (statusbar.position)
 126     {
 127       default:
 128         XMoveWindow(disp, statusbar.window, 0, 0);
 129         break;
 130       case BarBot:
 131         si = get_display_info(disp, statusbar.screen, statusbar);
 132         XMoveWindow(disp, statusbar.window, 0, si->height);
 133         XFree(si);
 134         break;
 135       case BarOff:
 136         XMoveWindow(disp, statusbar.window, 0, 0 - statusbar.height);
 137         break;
 138     }
 139     XSync(disp, False);
 140     while(XCheckMaskEvent(disp, EnterWindowMask, &ev));
 141 }
 142
 143 void
 144 uicb_togglebar(Display *disp,
 145                DC *drawcontext,
 146                awesome_config *awesomeconf,
 147                const char *arg __attribute__ ((unused)))
 148 {
 149     if(awesomeconf->statusbar.position == BarOff)
 150         awesomeconf->statusbar.position = (awesomeconf->statusbar.position == BarOff) ? BarTop : awesomeconf->statusbar_default_position;
 151     else
 152         awesomeconf->statusbar.position = BarOff;
 153     updatebarpos(disp, awesomeconf->statusbar);
 154     arrange(disp, drawcontext, awesomeconf);
 155 }
 156