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     ScreenInfo *si = get_screen_info(disp, awesomeconf->screen, NULL, &i);
  55
  56     drawcontext->x = drawcontext->y = 0;
  57     for(i = 0; i < awesomeconf->ntags; i++)
  58     {
  59         drawcontext->w = textwidth(disp, drawcontext->font, awesomeconf->tags[i].name, a_strlen(awesomeconf->tags[i].name)) + drawcontext->font->height;
  60         if(awesomeconf->tags[i].selected)
  61         {
  62             drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i].name, drawcontext->sel, drawcontext->text_selected);
  63             if(isoccupied(i, awesomeconf->screen))
  64                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel && sel->tags[i], drawcontext->sel[ColFG]);
  65         }
  66         else
  67         {
  68             drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, awesomeconf->tags[i].name, drawcontext->norm, drawcontext->text_normal);
  69             if(isoccupied(i, awesomeconf->screen))
  70                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel && sel->tags[i], drawcontext->norm[ColFG]);
  71         }
  72         drawcontext->x += drawcontext->w;
  73     }
  74     drawcontext->w = awesomeconf->statusbar.width;
  75     drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, awesomeconf->current_layout->symbol, drawcontext->norm, drawcontext->text_normal);
  76     x = drawcontext->x + drawcontext->w;
  77     drawcontext->w = textwidth(disp, drawcontext->font, awesomeconf->statustext, a_strlen(awesomeconf->statustext)) + drawcontext->font->height;
  78     drawcontext->x = si[awesomeconf->screen].width - drawcontext->w;
  79     if(drawcontext->x < x)
  80     {
  81         drawcontext->x = x;
  82         drawcontext->w = si[awesomeconf->screen].width - x;
  83     }
  84     drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, awesomeconf->statustext, drawcontext->norm, drawcontext->text_normal);
  85     if((drawcontext->w = drawcontext->x - x) > awesomeconf->statusbar.height)
  86     {
  87         drawcontext->x = x;
  88         if(sel)
  89         {
  90             drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, sel->name, drawcontext->sel, drawcontext->text_selected);
  91             if(sel->isfloating)
  92                 drawsquare(disp, *drawcontext, awesomeconf->statusbar.drawable, sel->ismax, drawcontext->sel[ColFG]);
  93         }
  94         else if(IS_ARRANGE(layout_tile) || IS_ARRANGE(layout_tileleft))
  95         {
  96             char buf[256];
  97             snprintf(buf, sizeof(buf), "nmaster: %d ncols: %d mwfact: %.2lf", awesomeconf->nmaster, awesomeconf->ncols, awesomeconf->mwfact);
  98             drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, buf, drawcontext->norm, drawcontext->text_normal);
  99         }
 100         else
 101             drawtext(disp, awesomeconf->phys_screen, drawcontext, awesomeconf->statusbar.drawable, NULL, drawcontext->norm, drawcontext->text_normal);
 102     }
 103     XCopyArea(disp, awesomeconf->statusbar.drawable, awesomeconf->statusbar.window, drawcontext->gc, 0, 0, si[awesomeconf->screen].width, awesomeconf->statusbar.height, 0, 0);
 104     XSync(disp, False);
 105 }
 106
 107 void
 108 initstatusbar(Display *disp, int screen, DC *drawcontext, Statusbar *statusbar)
 109 {
 110     XSetWindowAttributes wa;
 111     int screen_number, phys_screen;
 112     ScreenInfo *si;
 113
 114     phys_screen = get_phys_screen(disp, screen);
 115
 116     statusbar->screen = screen;
 117
 118     si = get_screen_info(disp, screen, NULL, &screen_number);
 119
 120     wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
 121         | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
 122     wa.cursor = drawcontext->cursor[CurNormal];
 123     wa.override_redirect = 1;
 124     wa.background_pixmap = ParentRelative;
 125     wa.event_mask = ButtonPressMask | ExposureMask;
 126     statusbar->window = XCreateWindow(disp, RootWindow(disp, phys_screen), 0, 0, si[screen].width,
 127                                       statusbar->height, 0, DefaultDepth(disp, phys_screen), CopyFromParent,
 128                                       DefaultVisual(disp, phys_screen), CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 129     XDefineCursor(disp, statusbar->window, drawcontext->cursor[CurNormal]);
 130     updatebarpos(disp, *statusbar);
 131     XMapRaised(disp, statusbar->window);
 132     statusbar->drawable = XCreatePixmap(disp,
 133                                         RootWindow(disp, phys_screen),
 134                                         si[screen].width,
 135                                         statusbar->height,
 136                                         DefaultDepth(disp, phys_screen));
 137 }
 138
 139 void
 140 updatebarpos(Display *disp, Statusbar statusbar)
 141 {
 142     XEvent ev;
 143     int dummy;
 144     ScreenInfo *si = get_screen_info(disp, statusbar.screen, NULL, &dummy);
 145
 146     switch (statusbar.position)
 147     {
 148       default:
 149         XMoveWindow(disp, statusbar.window, si[statusbar.screen].x_org, si[statusbar.screen].y_org);
 150         break;
 151       case BarBot:
 152         XMoveWindow(disp, statusbar.window, si[statusbar.screen].x_org, si[statusbar.screen].height - statusbar.height);
 153         break;
 154       case BarOff:
 155         XMoveWindow(disp, statusbar.window, si[statusbar.screen].x_org, si[statusbar.screen].y_org - statusbar.height);
 156         break;
 157     }
 158     XFree(si);
 159     XSync(disp, False);
 160     while(XCheckMaskEvent(disp, EnterWindowMask, &ev));
 161 }
 162
 163 void
 164 uicb_togglebar(Display *disp,
 165                DC *drawcontext,
 166                awesome_config *awesomeconf,
 167                const char *arg __attribute__ ((unused)))
 168 {
 169     if(awesomeconf->statusbar.position == BarOff)
 170         awesomeconf->statusbar.position = (awesomeconf->statusbar.position == BarOff) ? BarTop : awesomeconf->statusbar_default_position;
 171     else
 172         awesomeconf->statusbar.position = BarOff;
 173     updatebarpos(disp, awesomeconf->statusbar);
 174     arrange(disp, drawcontext, awesomeconf);
 175 }
 176