#!/usr/bin/env python

#   next-mode.py: set the current layer to the next layer mode.
#   Copyright (C) 2008 Akkana Peck.
#
#   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.

from gimpfu import *
import gtk

mode_list = [ NORMAL_MODE, DISSOLVE_MODE,
              MULTIPLY_MODE, DIVIDE_MODE, SCREEN_MODE, OVERLAY_MODE,
              DODGE_MODE, BURN_MODE, HARDLIGHT_MODE, SOFTLIGHT_MODE,
              GRAIN_EXTRACT_MODE, GRAIN_MERGE_MODE,
              DIFFERENCE_MODE, ADDITION_MODE, SUBTRACT_MODE,
              DARKEN_ONLY_MODE, LIGHTEN_ONLY_MODE,
              HUE_MODE, SATURATION_MODE, COLOR_MODE, VALUE_MODE
            ]

mode_names = [ "Normal", "Dissolve",
               "Multiply", "Divide", "Screen", "Overlay",
               "Dodge", "Burn", "Hard light", "Soft light",
               "Grain extract", "Grain merge",
               "Difference", "Addition", "Subtract",
               "Darken only", "Lighten only",
	       "Hue", "Saturation", "Color", "Value"
            ]

class ModeDialog(gtk.Window):
    def __init__ (self, image, *args):
        self.image = image
        self.w, self.h = 0, 0
        ret =  gtk.Window.__init__(self, *args)
        vbox = gtk.VBox(False, 0)
        self.add(vbox)

        for i in range(0, len(mode_list)) :
            btn = gtk.Button(mode_names[i], mode_names[i])
            vbox.pack_start(btn, False, False, 0)
            btn.connect("clicked", self.changemode, mode_list[i])
            btn.show()

        btn = gtk.Button("close", gtk.STOCK_CLOSE)
        btn.connect("clicked", self.disappear)
        vbox.pack_start(btn, False, False, 0)
        btn.show()

        vbox.show()
        self.show()
        return ret

    def changemode(self, widget, mode) :
        #self.drawable.mode = mode
        self.image.active_layer.mode = mode
        pdb.gimp_displays_flush()

    def disappear(self, widget) :
        gtk.main_quit()
        return False

def show_mode_dlg(img, drawable):
    r = ModeDialog(img)
    gtk.main()

def next_mode(img, drawable) :
    i = mode_list.index(drawable.mode)
    drawable.mode = mode_list[(i+1) % len(mode_list)]

register(
    "python-fu-next-mode",
    N_("Change the current layer to the next layer mode"),
    "Change the current layer to the next layer mode",
    "Akkana Peck",
    "Akkana Peck",
    "2008",
    N_("<Image>/Layer/Next mode"),
    "*",
    [
    ],
    [],
    next_mode
    )

register(
    "python-fu-mode_dialog",
    N_("Show a dialog with all modes"),
    "Show a dialog with all modes",
    "Akkana Peck",
    "Akkana Peck",
    "2008",
    N_("<Image>/Layer/Mode dialog..."),
    "*",
    [
    ],
    [],
    show_mode_dlg
    )

main()