awesome/widget.c

148 lines
3.6 KiB
C

/*
* widget.c - widget managing
*
* Copyright © 2007 Julien Danjou <julien@danjou.info>
* Copyright © 2007 Aldo Cortesi <aldo@nullcube.com>
*
* 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 of the License, 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 program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include "util.h"
#include "widget.h"
#include "statusbar.h"
extern AwesomeConf globalconf;
const NameFuncLink WidgetList[] =
{
{"taglist", taglist_new},
{"layoutinfo", layoutinfo_new},
{"focustitle", focustitle_new},
{"textbox", textbox_new},
{"iconbox", iconbox_new},
{NULL, NULL}
};
void
calculate_alignments(Widget *widget)
{
for(; widget; widget = widget->next)
{
if(widget->alignment == AlignFlex)
{
widget = widget->next;
break;
}
widget->alignment = AlignLeft;
}
if(widget)
for(; widget; widget = widget->next)
{
if (widget->alignment == AlignFlex)
warn("Multiple flex widgets in panel -"
" ignoring flex for all but the first.");
widget->alignment = AlignRight;
}
}
int
calculate_offset(int barwidth, int widgetwidth, int offset, int alignment)
{
if (alignment == AlignLeft || alignment == AlignFlex)
return offset;
return barwidth - offset - widgetwidth;
}
static Widget *
find_widget(char *name, int screen)
{
Widget *widget;
widget = globalconf.screens[screen].statusbar->widgets;
for(; widget; widget = widget->next)
if (strcmp(name, widget->name) == 0)
return widget;
return NULL;
}
static void
common_tell(Widget *widget, char *command __attribute__ ((unused)))
{
warn("%s widget does not accept commands.\n", widget->name);
}
void
common_new(Widget *widget, Statusbar *statusbar, cfg_t* config)
{
const char *name;
widget->statusbar = statusbar;
name = cfg_title(config);
widget->name = p_new(char, strlen(name)+1);
widget->tell = common_tell;
strncpy(widget->name, name, strlen(name));
}
/** Send command to widget
* \param screen Screen ID
* \param arg Widget command. Syntax depends on specific widget.
* \ingroup ui_callback
*/
void
uicb_widget_tell(int screen, char *arg)
{
Widget *widget;
char *p, *command;
int len;
if (!arg)
{
warn("Must specify a widget.\n");
return;
}
len = strlen(arg);
p = strtok(arg, " ");
if (!p)
{
warn("Ignoring malformed widget command.\n");
return;
}
widget = find_widget(p, screen);
if (!widget)
{
warn("No such widget: %s\n", p);
return;
}
if (p+strlen(p) < arg+len)
{
p = p + strlen(p) + 1;
command = p_new(char, strlen(p)+1);
strncpy(command, p, strlen(p));
widget->tell(widget, command);
p_delete(&command);
}
else
widget->tell(widget, NULL);
statusbar_draw(screen);
return;
}
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