1 files changed, 141 insertions, 0 deletions
diff --git a/src/bar.c b/src/bar.c
new file mode 100644
index 0000000..d06dcc8
--- /dev/null
+++ b/src/bar.c
@@ -0,0 +1,141 @@
+/* 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));
+    }
+}