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 <stdio.h>
  23
  24 #include "layout.h"
  25 #include "statusbar.h"
  26 #include "draw.h"
  27 #include "screen.h"
  28 #include "util.h"
  29 #include "layouts/tile.h"
  30
  31 extern Client *clients, *sel, *stack;   /* global client list and stack */
  32
  33 /** Check if at least a client is tagged with tag number t and is on screen
  34  * screen
  35  * \param t tag number
  36  * \param screen screen number
  37  * \return True or False
  38  */
  39 static Bool
  40 isoccupied(unsigned int t, int screen)
  41 {
  42     Client *c;
  43
  44     for(c = clients; c; c = c->next)
  45         if(c->tags[t] && c->screen == screen)
  46             return True;
  47     return False;
  48 }
  49
  50 void
  51 drawstatusbar(Display *disp, DC *drawcontext, awesome_config * awesomeconf)
  52 {
  53     int x, i;
  54
  55     drawcontext->x = drawcontext->y = 0;
  56     for(i = 0; i < awesomeconf->ntags; i++)
  57     {
  58         drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->tags[i].name, drawcontext->font.height);
  59         if(awesomeconf->tags[i].selected)
  60         {
  61             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i].name, drawcontext->sel);
  62             if(isoccupied(i, awesomeconf->screen))
  63                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel && sel->tags[i], drawcontext->sel[ColFG]);
  64         }
  65         else
  66         {
  67             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i].name, drawcontext->norm);
  68             if(isoccupied(i, awesomeconf->screen))
  69                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel && sel->tags[i], drawcontext->norm[ColFG]);
  70         }
  71         drawcontext->x += drawcontext->w;
  72     }
  73     drawcontext->w = awesomeconf->statusbar.width;
  74     drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->current_layout->symbol, drawcontext->norm);
  75     x = drawcontext->x + drawcontext->w;
  76     drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->statustext, drawcontext->font.height);
  77     drawcontext->x = DisplayWidth(disp, awesomeconf->screen) - drawcontext->w;
  78     if(drawcontext->x < x)
  79     {
  80         drawcontext->x = x;
  81         drawcontext->w = DisplayWidth(disp, awesomeconf->screen) - x;
  82     }
  83     drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->statustext, drawcontext->norm);
  84     if((drawcontext->w = drawcontext->x - x) > awesomeconf->statusbar.height)
  85     {
  86         drawcontext->x = x;
  87         if(sel)
  88         {
  89             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, sel->name, drawcontext->sel);
  90             if(sel->isfloating)
  91                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel->ismax, drawcontext->sel[ColFG]);
  92         }
  93         else if(IS_ARRANGE(layout_tile) || IS_ARRANGE(layout_tileleft))
  94         {
  95             char buf[256];
  96             snprintf(buf, sizeof(buf), "nmaster: %d ncols: %d mwfact: %.2lf", awesomeconf->nmaster, awesomeconf->ncols, awesomeconf->mwfact);
  97             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, buf, drawcontext->norm);
  98         }
  99         else
 100             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, NULL, drawcontext->norm);
 101     }
 102     XCopyArea(disp, awesomeconf->statusbar.drawable, awesomeconf->statusbar.window, drawcontext->gc, 0, 0, DisplayWidth(disp, awesomeconf->screen), awesomeconf->statusbar.height, 0, 0);
 103     XSync(disp, False);
 104 }
 105
 106 void
 107 initstatusbar(Display *disp, int screen, DC *drawcontext, Statusbar *statusbar)
 108 {
 109     XSetWindowAttributes wa;
 110     int real_screen;
 111
 112     statusbar->screen = screen;
 113
 114     if(XineramaIsActive(disp))
 115         real_screen = DefaultScreen(disp);
 116     else
 117         real_screen = screen;
 118
 119     wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
 120         | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
 121     wa.cursor = drawcontext->cursor[CurNormal];
 122     wa.override_redirect = 1;
 123     wa.background_pixmap = ParentRelative;
 124     wa.event_mask = ButtonPressMask | ExposureMask;
 125     statusbar->window = XCreateWindow(disp, RootWindow(disp, screen), 0, 0, DisplayWidth(disp, real_screen),
 126                                       statusbar->height, 0, DefaultDepth(disp, real_screen), CopyFromParent,
 127                                       DefaultVisual(disp, real_screen), CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 128     XDefineCursor(disp, statusbar->window, drawcontext->cursor[CurNormal]);
 129     updatebarpos(disp, *statusbar);
 130     XMapRaised(disp, statusbar->window);
 131     statusbar->drawable = XCreatePixmap(disp,
 132                                         RootWindow(disp, real_screen),
 133                                         DisplayWidth(disp, real_screen),
 134                                         statusbar->height,
 135                                         DefaultDepth(disp, real_screen));
 136 }
 137
 138 void
 139 updatebarpos(Display *disp, Statusbar statusbar)
 140 {
 141     XEvent ev;
 142     ScreenInfo *si;
 143
 144     switch (statusbar.position)
 145     {
 146       default:
 147         XMoveWindow(disp, statusbar.window, 0, 0);
 148         break;
 149       case BarBot:
 150         si = get_display_info(disp, statusbar.screen, statusbar);
 151         XMoveWindow(disp, statusbar.window, 0, si->height);
 152         XFree(si);
 153         break;
 154       case BarOff:
 155         XMoveWindow(disp, statusbar.window, 0, 0 - statusbar.height);
 156         break;
 157     }
 158     XSync(disp, False);
 159     while(XCheckMaskEvent(disp, EnterWindowMask, &ev));
 160 }
 161
 162 void
 163 uicb_togglebar(Display *disp,
 164                DC *drawcontext,
 165                awesome_config *awesomeconf,
 166                const char *arg __attribute__ ((unused)))
 167 {
 168     if(awesomeconf->statusbar.position == BarOff)
 169         awesomeconf->statusbar.position = (awesomeconf->statusbar.position == BarOff) ? BarTop : awesomeconf->statusbar_default_position;
 170     else
 171         awesomeconf->statusbar.position = BarOff;
 172     updatebarpos(disp, awesomeconf->statusbar);
 173     arrange(disp, drawcontext, awesomeconf);
 174 }
 175