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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP - Operand element classes
#
# Copyright 2016 Michael Buesch <m@bues.ch>
#
# 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.
#
from __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.common.xmlfactory import *
from awlsim.gui.fup.fup_base import *
from awlsim.gui.fup.fup_elem import *
class FupElem_OPERAND_factory(FupElem_factory):
def composer_getTags(self):
connTags = []
for inp in self.elem.inputs:
connTags.extend(inp.factory(conn=inp).composer_getTags())
for out in self.elem.outputs:
connTags.extend(out.factory(conn=out).composer_getTags())
return [
self.Tag(name="element",
attrs={
"type" : "operand",
"subtype" : self.elem.OP_SYM_NAME,
"x" : str(self.elem.x),
"y" : str(self.elem.y),
"content" : self.elem.contentText,
},
tags=[
self.Tag(name="connections",
tags=connTags),
])
]
class FupElem_OPERAND(FupElem):
"""Generic operand element"""
factory = FupElem_OPERAND_factory
def __init__(self, x, y, contentText=""):
FupElem.__init__(self, x, y)
self._continuePen = QPen(QBrush(), 1, Qt.DotLine)
self._continuePen.setColor(QColor("#000000"))
self.contentText = contentText
self.partialContent = False
@property
def _xpadding(self):
if self.grid:
return self.grid.cellPixWidth // 12
return 0
def getAreaViaPixCoord(self, pixelX, pixelY):
if self.grid:
cellWidth = self.grid.cellPixWidth
cellHeight = self.grid.cellPixHeight
totalWidth = cellWidth
totalHeight = cellHeight * self.height
xpad, ypad = self._xpadding, self._ypadding
if pixelY > ypad and pixelY < totalHeight - ypad:
if pixelX < xpad:
# inputs
if self.inputs and\
pixelY >= totalHeight - cellHeight:
return self.AREA_INPUT, 0
elif pixelX > totalWidth - xpad:
# outputs
if self.outputs and\
pixelY >= totalHeight - cellHeight:
return self.AREA_OUTPUT, 0
else:
# body
return self.AREA_BODY, 0
return self.AREA_NONE, 0
def getConnRelPixCoords(self, conn):
if self.grid:
cellHeight = self.grid.cellPixHeight
cellWidth = self.grid.cellPixWidth
if isinstance(conn, FupConnIn):
idx = self.inputs.index(conn)
if idx >= 0:
idx = self.height - 1
x = FupConn.CONN_OFFS
elif isinstance(conn, FupConnOut):
idx = self.outputs.index(conn)
if idx >= 0:
idx = self.height - 1
x = cellWidth - FupConn.CONN_OFFS
if idx >= 0:
y = (idx * cellHeight) + (cellHeight // 2)
return x, y
return FupElem.getConnRelPixCoords(self, conn)
def draw(self, painter):
if not self.grid:
return
cellWidth = self.grid.cellPixWidth
cellHeight = self.grid.cellPixHeight
xpad, ypad = self._xpadding, self._ypadding
elemHeight = cellHeight * self.height
elemWidth = cellWidth
selected, expanded = self.selected, self.expanded
# Draw body
painter.setPen(self._noPen)
painter.setBrush(self._bgSelBrush if selected\
else self._bgBrush)
bodyRect = QRect(xpad, ypad,
elemWidth - 2 * xpad,
elemHeight - 2 * ypad)
painter.drawRect(bodyRect)
# Draw the text
text = self.contentText
if text:
painter.setFont(getDefaultFixedFont(8))
painter.setPen(self._textPen)
if selected or expanded:
textFlags = Qt.TextWrapAnywhere | Qt.AlignLeft | Qt.AlignTop
textMaxRect = bodyRect.translated(0, 0)
textMaxRect.setHeight(self.grid.height * cellHeight)
textRect = painter.boundingRect(textMaxRect, textFlags, text)
actTextRect = textRect
else:
textFlags = Qt.TextWrapAnywhere | Qt.AlignHCenter | Qt.AlignTop
textRect = bodyRect
actTextRect = painter.boundingRect(bodyRect, textFlags, text)
if selected or expanded:
painter.setBrush(self._bgSelBrush if selected\
else self._bgBrush)
painter.setPen(self._noPen)
painter.drawRect(actTextRect)
painter.setPen(self._textPen)
painter.drawText(textRect, textFlags, text)
if not bodyRect.contains(actTextRect):
if not selected and not expanded:
# Draw continuation
painter.setPen(self._continuePen)
painter.drawLine(xpad, cellHeight - 1,
cellWidth - xpad - 1, cellHeight - 1)
painter.drawLine(cellWidth - xpad - 1, ypad,
cellWidth - xpad - 1, cellHeight - 1 - ypad)
self.partialContent = True
else:
self.partialContent = False
def edit(self, parentWidget):
text, ok = QInputDialog.getText(parentWidget,
"Change operand",
"Change operand",
QLineEdit.Normal,
self.contentText)
if ok:
self.contentText = text
return True
return False
def expand(self, expand=True):
if not self.partialContent and expand:
return False
if expand != self.expanded:
self.expanded = expand
return True
return False
def prepareContextMenu(self, menu):
menu.enableEdit(True)
class FupElem_ASSIGN(FupElem_OPERAND):
"""Assignment operand element"""
OP_SYM = "assign"
OP_SYM_NAME = "assign" # XML ABI name
def __init__(self, x, y, contentText=""):
FupElem_OPERAND.__init__(self, x, y, contentText)
self.inputs = [ FupConnIn(self) ]
def draw(self, painter):
if not self.grid:
return
cellWidth = self.grid.cellPixWidth
cellHeight = self.grid.cellPixHeight
xpad, ypad = self._xpadding, self._ypadding
elemHeight = cellHeight * self.height
elemWidth = cellWidth
# Draw body
FupElem_OPERAND.draw(self, painter)
# Draw input connection
y = elemHeight - (cellHeight // 2)
painter.setPen(self._connPen
if len(self.inputs) and self.inputs[0].wire
else self._connOpenPen)
painter.drawLine(0, y, xpad, y)
class FupElem_LOAD(FupElem_OPERAND):
"""Load/read operand element"""
OP_SYM = "load"
OP_SYM_NAME = "load" # XML ABI name
def __init__(self, x, y, contentText=""):
FupElem_OPERAND.__init__(self, x, y, contentText)
self.outputs = [ FupConnOut(self) ]
def draw(self, painter):
if not self.grid:
return
cellWidth = self.grid.cellPixWidth
cellHeight = self.grid.cellPixHeight
xpad = self._xpadding
ypad = self._ypadding
elemHeight = cellHeight * self.height
elemWidth = cellWidth
# Draw body
FupElem_OPERAND.draw(self, painter)
# Draw output connection
y = elemHeight - (cellHeight // 2)
painter.setPen(self._connPen
if len(self.outputs) and self.outputs[0].wire
else self._connOpenPen)
painter.drawLine(cellWidth - xpad, y,
cellWidth, y)
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