Internet radio browser GUI for music/video streams from various directory services.

⌈⌋ ⎇ branch:  streamtuner2


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#
# encoding: UTF-8
# api: python
# type: functions
# title: mygtk helper functions
# description: simplify usage of some gtk widgets
# version: 1.6
# version: 1.7
# author: mario
# license: public domain
#
#
# Wrappers around gtk methods. The TreeView method .columns() allows
# to fill a treeview. It adds columns and data rows with a mapping
# dictionary (which specifies many options and data positions).
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# debug
from config import __print__, dbg

# filesystem
import os.path
import copy
import sys

from compat2and3 import unicode, xrange, PY3


# gtk version (2=gtk2, 3=gtk3)
ver = 2
# if running on Python3 or with commandline flag
if PY3 or "--gtk3" in sys.argv:
    ver = 3
# gtk modules
# load gtk modules
gtk = 0   # 0=gtk2, else gtk3
if gtk:
if ver==3:
    from gi import pygtkcompat as pygtk
    pygtk.enable() 
    pygtk.enable_gtk(version='3.0')
    from gi.repository import Gtk as gtk
    from gi.repository import GObject as gobject
    from gi.repository import GdkPixbuf
    ui_file = "gtk3.xml"
    empty_pixbuf = GdkPixbuf.Pixbuf.new_from_data(b"\0\0\0\0", GdkPixbuf.Colorspace.RGB, True, 8, 1, 1, 4, None, None)
    __print__(gtk)
    __print__(gobject)
    __print__(dbg.PROC, gtk)
    __print__(dbg.PROC, gobject)
if not gtk:
else:
    import pygtk
    import gtk
    import gobject
    ui_file = "gtk2.xml"

    empty_pixbuf = gtk.gdk.pixbuf_new_from_data(b"\0\0\0\0",gtk.gdk.COLORSPACE_RGB,True,8,1,1,4)
# filesystem
import os.path
import copy


try:
  empty_pixbuf = gtk.gdk.pixbuf_new_from_data(b"\0\0\0\0",gtk.gdk.COLORSPACE_RGB,True,8,1,1,4)
except:
  empty_pixbuf = GdkPixbuf.Pixbuf.new_from_data(b"\0\0\0\0", GdkPixbuf.Colorspace.RGB, True, 8, 1, 1, 4, None, None)



# simplified gtk constructors               ---------------------------------------------
class mygtk:


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                            rend = gtk.CellRendererText()    # text cell
                            cell[3]["text"] = datapos
                            #col.set_sort_column_id(datapos)  # only on textual cells
   
                        # attach cell to column
                        col.pack_end(rend, expand=cell[3].get("expand",True))
                        # apply attributes
                        for attr,val in cell[3].iteritems():
                        for attr,val in list(cell[3].items()):
                            col.add_attribute(rend, attr, val)
                        # next
                        datapos += 1

                        __print__(cell)
                        __print__(dbg.INFO, cell)
                    # add column to treeview
                    widget.append_column(col)
                # finalize widget
                widget.set_search_column(5)   #??
                widget.set_search_column(4)   #??
                widget.set_search_column(3)   #??
                widget.set_search_column(2)   #??
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                if (not rowmap):
                    for desc in datamap:
                        for var in xrange(2, len(desc)):
                            vartypes.append(desc[var][1])  # content types
                            rowmap.append(desc[var][0])    # dict{} column keys in entries[] list
                # create gtk array storage
                ls = gtk.ListStore(*vartypes)   # could be a TreeStore, too
                __print__(vartypes)
                __print__(rowmap)
                __print__(dbg.UI, vartypes)
                __print__(dbg.DATA, rowmap)

                # prepare for missing values, and special variable types
                defaults = {
                    str: "",
                    unicode: "",
                    bool: False,
                    int: 0,
                    gtk.gdk.Pixbuf: empty_pixbuf
                }
                if gtk.gdk.Pixbuf in vartypes:
                    pix_entry = vartypes.index(gtk.gdk.Pixbuf) 
                
                # sort data into gtk liststore array
                for row in entries:

                    # defaults
                    row["deleted"] = 0
#                    row["search_col"] = "white"
                    row["search_col"] = "#ffffff"
                    row["search_set"] = 0

                    # generate ordered list from dictionary, using rowmap association
                    row = [   row.get( skey , defaults[vartypes[i]] )   for i,skey   in enumerate(rowmap)   ]

                    # autotransform string -> gtk image object
                    if (pix_entry and type(row[pix_entry]) == str):
                        row[pix_entry] = (  gtk.gdk.pixbuf_new_from_file(row[pix_entry])  if  os.path.exists(row[pix_entry])  else  defaults[gtk.gdk.Pixbuf]  )