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             if(isoccupied(i, screen))
  59                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel && sel->tags[i], drawcontext->sel[ColFG]);
  60         }
  61         else
  62         {
  63             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i], drawcontext->norm);
  64             if(isoccupied(i, screen))
  65                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel && sel->tags[i], drawcontext->norm[ColFG]);
  66         }
  67         drawcontext->x += drawcontext->w;
  68     }
  69     drawcontext->w = awesomeconf->statusbar.width;
  70     drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->current_layout->symbol, drawcontext->norm);
  71     x = drawcontext->x + drawcontext->w;
  72     drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->statustext, drawcontext->font.height);
  73     drawcontext->x = DisplayWidth(disp, screen) - drawcontext->w;
  74     if(drawcontext->x < x)
  75     {
  76         drawcontext->x = x;
  77         drawcontext->w = DisplayWidth(disp, screen) - x;
  78     }
  79     drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, awesomeconf->statustext, drawcontext->norm);
  80     if((drawcontext->w = drawcontext->x - x) > awesomeconf->statusbar.height)
  81     {
  82         drawcontext->x = x;
  83         if(sel)
  84         {
  85             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, sel->name, drawcontext->sel);
  86             if(sel->isfloating)
  87                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel->ismax, drawcontext->sel[ColFG]);
  88         }
  89         else
  90             drawtext(disp, *drawcontext, awesomeconf->statusbar.drawable, NULL, drawcontext->norm);
  91     }
  92     XCopyArea(disp, awesomeconf->statusbar.drawable, awesomeconf->statusbar.window, drawcontext->gc, 0, 0, DisplayWidth(disp, screen), awesomeconf->statusbar.height, 0, 0);
  93     XSync(disp, False);
  94 }
  95
  96 void
  97 initstatusbar(Display *disp, int screen, DC *drawcontext, Statusbar *statusbar)
  98 {
  99     XSetWindowAttributes wa;
 100
 101     statusbar->screen = screen;
 102
 103     wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
 104         | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
 105     wa.cursor = drawcontext->cursor[CurNormal];
 106     wa.override_redirect = 1;
 107     wa.background_pixmap = ParentRelative;
 108     wa.event_mask = ButtonPressMask | ExposureMask;
 109     statusbar->window = XCreateWindow(disp, RootWindow(disp, screen), 0, 0, DisplayWidth(disp, screen),
 110                                       statusbar->height, 0, DefaultDepth(disp, screen), CopyFromParent,
 111                                       DefaultVisual(disp, screen), CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 112     XDefineCursor(disp, statusbar->window, drawcontext->cursor[CurNormal]);
 113     updatebarpos(disp, *statusbar);
 114     XMapRaised(disp, statusbar->window);
 115     statusbar->drawable = XCreatePixmap(disp,
 116                                         RootWindow(disp, screen),
 117                                         DisplayWidth(disp, screen),
 118                                         statusbar->height,
 119                                         DefaultDepth(disp, screen));
 120 }
 121
 122 void
 123 updatebarpos(Display *disp, Statusbar statusbar)
 124 {
 125     XEvent ev;
 126     ScreenInfo *si;
 127
 128     switch (statusbar.position)
 129     {
 130       default:
 131         XMoveWindow(disp, statusbar.window, 0, 0);
 132         break;
 133       case BarBot:
 134         si = get_display_info(disp, statusbar.screen, statusbar);
 135         XMoveWindow(disp, statusbar.window, 0, si->height);
 136         XFree(si);
 137         break;
 138       case BarOff:
 139         XMoveWindow(disp, statusbar.window, 0, 0 - statusbar.height);
 140         break;
 141     }
 142     XSync(disp, False);
 143     while(XCheckMaskEvent(disp, EnterWindowMask, &ev));
 144 }
 145
 146 void
 147 uicb_togglebar(Display *disp,
 148                DC *drawcontext,
 149                awesome_config *awesomeconf,
 150                const char *arg __attribute__ ((unused)))
 151 {
 152     if(awesomeconf->statusbar.position == BarOff)
 153         awesomeconf->statusbar.position = (awesomeconf->statusbar.position == BarOff) ? BarTop : awesomeconf->statusbar_default_position;
 154     else
 155         awesomeconf->statusbar.position = BarOff;
 156     updatebarpos(disp, awesomeconf->statusbar);
 157     arrange(disp, drawcontext, awesomeconf);
 158 }
 159