summaryrefslogtreecommitdiff
path: root/src/bar.c
blob: d06dcc8021644930a73a887f4f89304e3e4eb1fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/* Functionality for a bar across the bottom of the screen listing the
 * windows currently managed. 
 *  
 * Copyright (C) 2000 Shawn Betts
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA */

#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "ratpoison.h"

int
hide_bar (screen_info *s)
{
  if (s->bar_is_raised)
    {
      s->bar_is_raised = 0;
      XUnmapWindow (dpy, s->bar_window);
      return 1;
    }

  return 0;
}

int
show_bar (screen_info *s)
{
  if (!s->bar_is_raised)
    {
      s->bar_is_raised = 1;
      XMapWindow (dpy, s->bar_window);
      update_window_names (s);
  
      /* Set an alarm to auto-hide the bar BAR_TIMEOUT seconds later */
      alarm (BAR_TIMEOUT);
      return 1;
    }

  return 0;
}

/* Toggle the display of the program bar */
void
toggle_bar (screen_info *s)
{
  if (!hide_bar (s)) show_bar (s);
}

static int
calc_bar_width (XFontStruct *font)
{
  char str[100];		/* window names are capped at 99 chars */
  int size = 1;
  rp_window *cur;

  for (cur = rp_window_head; cur; cur = cur->next)
    {
      if (cur->state == STATE_UNMAPPED) continue;
      
      sprintf (str, "%d-%s", cur->number, cur->name);
      size += 10 + XTextWidth (font, str, strlen (str));
    }

  return size;
}

int
bar_x (screen_info *s, int width)
{
  if (BAR_LOCATION >= 2) return s->root_attr.width - width;
  else return 0;
}

int
bar_y (screen_info *s)
{
  if (BAR_LOCATION % 2) return 0;
  else return s->root_attr.height - (FONT_HEIGHT (s->font) + BAR_PADDING * 2) - 2;
}

void
update_window_names (screen_info *s)
{
  char str[100];		/* window names are capped at 99 chars */
  int width = calc_bar_width (s->font);
  rp_window *cur;
  int cur_x = 5;

  if (!s->bar_is_raised) return;

  XMoveResizeWindow (dpy, s->bar_window, 
		     bar_x (s, width), bar_y (s),
		     width,
		     (FONT_HEIGHT (s->font) + BAR_PADDING * 2));
  XClearWindow (dpy, s->bar_window);
  XRaiseWindow (dpy, s->bar_window);

  if (rp_window_head == NULL) return;

  /* Draw them in reverse order they were added in, so the oldest
     windows appear on the left and the newest on the right end of the
     program bar. */
  for (cur = rp_window_head; cur; cur = cur->next) 
    {
      if (cur->state == STATE_UNMAPPED) continue;

      sprintf (str, "%d-%s", cur->number, cur->name);
      if ( rp_current_window == cur) 
	{
	  XDrawString (dpy, s->bar_window, s->bold_gc, cur_x, 
		       BAR_PADDING + s->font->max_bounds.ascent, str, strlen (str));
	}
      else
	{
	  XDrawString (dpy, s->bar_window, s->normal_gc, cur_x, 
		       BAR_PADDING + s->font->max_bounds.ascent, str, strlen (str));
	}

      cur_x += 10 + XTextWidth (s->font, str, strlen (str));
    }
}