#!/usr/bin/python2
##############################################################################
# Run applications by clicking the icons. Similar to gnome quicklaunch
# Author: Chris Rouch
# Date: 13/10/2003
# Changelog:
#
# Copyright (c) Chris Rouch 2003
#
#     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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#     or see http://www.gnu.org/licenses/gpl.txt
##############################################################################
import gtk
import os
import getopt
import sys
import re
import pango
######################################################################
# constants
MOD1_MASK    = 1 << 3
SHIFT_MASK   = 1 << 0
CONTROL_MASK = 1 << 2
######################################################################
class ButtonBox:

    def action(self, widget, event,data=None):
        """Get the OS to run data"""
        if data:        
            if event.button == 1:
                # left button
                if re.match("\$HOME",data):
                    data=re.sub("\$HOME",os.environ["HOME"],data)
                parts = re.split(' ',data)
                os.spawnv(os.P_NOWAIT,parts[0],parts)
                print parts[0]
            
    def keypress(self, widget, event,*args):
        """check for keypresses, exit on ctrl-q"""
        key = event.keyval
        if event.state & CONTROL_MASK:
            if chr(key) == 'q':
                gtk.main_quit()

    def addtitle(self,table,title,width):
        """add a title to the top of the table"""
        label = gtk.Label(title);
        font_desc = pango.FontDescription('Serif')
        label.modify_font(font_desc) 
        label.set_name('mytitle')
        label.set_use_markup(gtk.TRUE)
        table.attach(label, 0, width, 0, 1,xpadding=0,ypadding=0)
    
    def addbutton(self,table,x,y,action,icon,tip):
        """add a button to the table at x,y"""
        button = gtk.Button();
        button.set_name('mybutton')
        image = gtk.Image()
        if re.match("\$HOME",icon):
            icon=re.sub("\$HOME",os.environ["HOME"],icon)
        image.set_from_file(icon)
        image.set_padding(0,0)
        button.add(image);
        button.connect("button_press_event", self.action,action)
        button.set_relief(gtk.RELIEF_NONE)
        self.tooltips.set_tip(button, tip,"")
        table.attach(button, x, x+1, y, y+1,xpadding=0,ypadding=0)
    
    def __init__(self,blist,rows=1,cols=1,title=None,name=None):
        """Create a button box according to the supplied blist"""
        
        # Create a new window
        self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
        self.window.set_name("buttonbox")
        self.window.connect("key_press_event", self.keypress)

        # create tooltips object
        self.tooltips = gtk.Tooltips()


        # Create a  table
        table = gtk.Table(rows, cols, gtk.FALSE)
        table.set_col_spacings(0)
        table.set_row_spacings(0)
        # Put the table in the main window
        self.window.add(table)

        # Set the window title
        x=0
        y=0
        if title:
            print title
            self.window.set_title(title)
            self.addtitle(table,title,cols)
            y=y+1
        elif name:
            self.window.set_title(name)

        # add the buttons
        for tuple in blist:
            tip=tuple[0].strip()
            action=tuple[1].strip()
            icon=tuple[2].strip()
    
            self.addbutton(table,x,y,action,icon,tip);
            x=x+1
            if x>= cols:
                x=0
                y=y+1
    

        self.window.show_all()

######################################################################        
def ReadArgs(file):
    """parse a file for a list of buttons
    format is
    tooltip,action,icon
    $HOME is understood, otherwise use full path

    """
    
    buttons=[]
    try:
        f=open(file)
    except:
        print file + " not found"
        return

    for line in f.xreadlines():
        line=line.rstrip()
        if line:
            buttons.append(re.split(",",line))
        
    return buttons

def main():
    gtk.main()
    return 0       

if __name__ == "__main__":

    file=''
    rows=-1
    cols=-1
    title=''    
    name=''    
    buttons=[]
    opts,args = getopt.getopt(sys.argv[1:],'d:f:t:n:r:c:hv')

    for opt in opts:
        if opt[0] == '-f':
            file=opt[1]
        elif opt[0] == '-h':
            rows=1
        elif opt[0] == '-v':
            cols=1 
        elif opt[0] == '-n':
            name=opt[1]
        elif opt[0] == '-t':
            title=opt[1]
        elif opt[0] == '-d':
            dir=opt[1]
        elif opt[0] == '-r':
            rows=opt[1]
        elif opt[0] == '-c':
            cols=opt[1]

    if file:
        buttons=ReadArgs(file)
    else:
        for arg in args:
            buttons.append(re.split(",",arg))

    if buttons:
        count=len(buttons)
        if rows <= 0:
            if cols <=0:
                # default horizontal strip
                rows=1
                cols=count
            else:
                rows=int(count)/int(cols)
                if int(count)%int(cols) > 0:
                    rows+=1
        else:
            cols=int(count)/int(rows)
            if int(count)%int(rows) > 0:
                 cols+=1

        cols=int(cols)
        rows=int(rows)
        
        ButtonBox(buttons,rows,cols,title,name)

        main()
        # only get here if we quit