# -*-python-*-
# GemRB - Infinity Engine Emulator
# Copyright (C) 2010 The GemRB Project
#
# 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.
#
import GemRB
from GUIDefines import GS_DIALOGMASK, OP_SET

# message window expansion
def OnIncreaseSize():
	GSFlags = GemRB.GetMessageWindowSize()
	Expand = GSFlags&GS_DIALOGMASK
	GSFlags = GSFlags-Expand
	if Expand>2:
		return
	Expand = (Expand + 1)*2
	GemRB.GameSetScreenFlags(Expand + GSFlags, OP_SET)

# message window contraction
def OnDecreaseSize():
	GSFlags = GemRB.GetMessageWindowSize()
	Expand = GSFlags&GS_DIALOGMASK
	GSFlags = GSFlags-Expand
	if Expand<2:
		return
	Expand = Expand/2 - 1 # 6->2, 2->0
	GemRB.GameSetScreenFlags(Expand + GSFlags, OP_SET)
