roar/libtools/ToolObject.py

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#!/usr/bin/env python3
#
# ToolObject.py
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
from Tool import Tool
import wx
class ToolObject(Tool):
name = "Object"
TS_NONE = 0
TS_ORIGIN = 1
TS_SELECT = 2
TS_TARGET = 3
# {{{ _dispatchSelectEvent(self, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, selectRect)
def _dispatchSelectEvent(self, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, selectRect):
if mouseLeftDown:
disp, isCursor = [mapPoint[m] - self.lastAtPoint[m] for m in [0, 1]], True
newTargetRect = [[selectRect[n][m] + disp[m] for m in [0, 1]] for n in [0, 1]]
self.lastAtPoint = list(mapPoint)
else:
disp, isCursor, newTargetRect = [0, 0], True, selectRect.copy()
dirty = self.onSelectEvent(canvas, disp, dispatchFn, eventDc, isCursor, keyModifiers, newTargetRect, selectRect)
self._drawSelectRect(newTargetRect, dispatchFn, eventDc)
self.targetRect = newTargetRect
return dirty
# }}}
# {{{ _drawSelectRect(self, rect, dispatchFn, eventDc)
def _drawSelectRect(self, rect, dispatchFn, eventDc):
rectFrame = [[rect[m][n] for n in [0, 1]] for m in (0, 1)]
if rectFrame[0][0] > rectFrame[1][0]:
rectFrame[0][0], rectFrame[1][0] = rectFrame[1][0], rectFrame[0][0]
if rectFrame[0][1] > rectFrame[1][1]:
rectFrame[0][1], rectFrame[1][1] = rectFrame[1][1], rectFrame[0][1]
curColours, rectFrame = [0, 0], [[rectFrame[m[0]][n] + m[1] for n in [0, 1]] for m in [[0, -1], [1, +1]]]
for rectX in range(rectFrame[0][0], rectFrame[1][0] + 1):
curColours = [1, 1] if curColours == [0, 0] else [0, 0]
dispatchFn(eventDc, True, [rectX, rectFrame[0][1], *curColours, 0, " "])
dispatchFn(eventDc, True, [rectX, rectFrame[1][1], *curColours, 0, " "])
for rectY in range(rectFrame[0][1], rectFrame[1][1] + 1):
curColours = [1, 1] if curColours == [0, 0] else [0, 0]
dispatchFn(eventDc, True, [rectFrame[0][0], rectY, *curColours, 0, " "])
dispatchFn(eventDc, True, [rectFrame[1][0], rectY, *curColours, 0, " "])
# }}}
# {{{ _mouseEventTsNone(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
def _mouseEventTsNone(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown):
self.substract = False
if self.external:
dispatchFn(eventDc, True, [*mapPoint, *brushColours, 0, " "])
else:
if mouseLeftDown:
self.targetRect, self.toolState = [list(mapPoint), []], self.TS_ORIGIN
else:
dispatchFn(eventDc, True, [*mapPoint, *brushColours, 0, " "])
return False
# }}}
# {{{ _mouseEventTsOrigin(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
def _mouseEventTsOrigin(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown):
self.targetRect[1] = list(mapPoint)
if mouseLeftDown:
if self.targetRect[0][0] > self.targetRect[1][0]:
self.targetRect[0][0], self.targetRect[1][0] = self.targetRect[1][0], self.targetRect[0][0]
if self.targetRect[0][1] > self.targetRect[1][1]:
self.targetRect[0][1], self.targetRect[1][1] = self.targetRect[1][1], self.targetRect[0][1]
self.lastAtPoint, self.srcRect, self.objectMap, self.toolState = list(mapPoint), self.targetRect, [], self.TS_SELECT
for numRow in range((self.targetRect[1][1] - self.targetRect[0][1]) + 1):
self.objectMap.append([])
for numCol in range((self.targetRect[1][0] - self.targetRect[0][0]) + 1):
rectX, rectY = self.targetRect[0][0] + numCol, self.targetRect[0][1] + numRow
self.objectMap[numRow].append(canvas.map[rectY][rectX])
self._drawSelectRect(self.targetRect, dispatchFn, eventDc)
else:
self._drawSelectRect(self.targetRect, dispatchFn, eventDc)
return False
# }}}
# {{{ _mouseEventTsSelect(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
def _mouseEventTsSelect(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown):
dirty = False
if mouseLeftDown:
if (mapPoint[0] >= (self.targetRect[0][0] - 1)) \
and (mapPoint[0] <= (self.targetRect[1][0] + 1)) \
and (mapPoint[1] >= (self.targetRect[0][1] - 1)) \
and (mapPoint[1] <= (self.targetRect[1][1] + 1)):
self.lastAtPoint, self.toolState = list(mapPoint), self.TS_TARGET
else:
dirty = self.onSelectEvent(canvas, (0, 0), dispatchFn, eventDc, False, keyModifiers, self.targetRect.copy(), self.targetRect)
self._drawSelectRect(self.targetRect, dispatchFn, eventDc)
self.objectMap, self.objectSize, self.targetRect, self.toolState = None, None, None, self.TS_NONE
else:
dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, self.targetRect)
return dirty
# }}}
# {{{ _mouseEventTsTarget(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
def _mouseEventTsTarget(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown):
if (keyModifiers == wx.MOD_CONTROL) and (self.srcRect == self.targetRect):
self.substract = True
dirty = False
if mouseLeftDown:
dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, self.targetRect)
else:
self.toolState = self.TS_SELECT
return dirty
# }}}
# {{{ getRegion(self, canvas)
def getRegion(self, canvas):
return self.objectMap
# }}}
# {{{ onMouseEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown)
def onMouseEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown):
dirty = False
if self.toolState == self.TS_NONE:
dirty = self._mouseEventTsNone(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
elif self.toolState == self.TS_SELECT:
dirty = self._mouseEventTsSelect(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
elif self.toolState == self.TS_ORIGIN:
dirty = self._mouseEventTsOrigin(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
elif self.toolState == self.TS_TARGET:
dirty = self._mouseEventTsTarget(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown)
else:
return False, dirty
return True, dirty
# }}}
# {{{ onSelectEvent(self, canvas, disp, dispatchFn, eventDc, isCursor, keyModifiers, newTargetRect, selectRect)
def onSelectEvent(self, canvas, disp, dispatchFn, eventDc, isCursor, keyModifiers, newTargetRect, selectRect):
dirty = False
if self.external:
for numRow in range(len(self.objectMap)):
for numCol in range(len(self.objectMap[numRow])):
rectX, rectY = selectRect[0][0] + numCol, selectRect[0][1] + numRow
dirty = False if isCursor else True
cellNew = self.objectMap[numRow][numCol]
if (cellNew[1] == -1) and (cellNew[3] == " "):
if ((rectY + disp[1]) < canvas.size[1]) and ((rectX + disp[0]) < canvas.size[0]):
cellNew = canvas.map[rectY + disp[1]][rectX + disp[0]]
dispatchFn(eventDc, isCursor, [rectX + disp[0], rectY + disp[1], *cellNew])
else:
if self.substract:
for numRow in range(self.srcRect[0][1], self.srcRect[1][1]):
for numCol in range(self.srcRect[0][0], self.srcRect[1][0]):
if ((numCol < selectRect[0][0]) or (numCol > selectRect[1][0])) \
or ((numRow < selectRect[0][1]) or (numRow > selectRect[1][1])):
dirty = False if isCursor else True
dispatchFn(eventDc, isCursor, [numCol, numRow, 1, 1, 0, " "])
for numRow in range(len(self.objectMap)):
for numCol in range(len(self.objectMap[numRow])):
cellOld = self.objectMap[numRow][numCol]
rectX, rectY = selectRect[0][0] + numCol, selectRect[0][1] + numRow
dirty = False if isCursor else True
dispatchFn(eventDc, isCursor, [rectX + disp[0], rectY + disp[1], *cellOld])
return dirty
# }}}
# {{{ setRegion(self, canvas, mapPoint, objectMap, objectSize, external=True)
def setRegion(self, canvas, mapPoint, objectMap, objectSize, external=True):
self.external, self.toolState = external, self.TS_SELECT
if mapPoint != None:
self.lastAtPoint = list(mapPoint)
if self.targetRect == None:
self.targetRect = [list(self.lastAtPoint), [(a + b) - (0 if a == b else 1) for a, b in zip(self.lastAtPoint, objectSize)]]
elif self.objectSize != objectSize:
if self.objectSize == None:
self.objectSize = objectSize
self.targetRect[1] = [t + d for t, d in zip(self.targetRect[1], (a - b for a, b in zip(self.objectSize, objectSize)))]
if self.srcRect == None:
self.srcRect = self.targetRect
self.objectMap, self.objectSize = objectMap, objectSize
# }}}
# __init__(self, *args): initialisation method
def __init__(self, *args):
super().__init__(*args)
self.external, self.lastAtPoint, self.srcRect, self.substract, \
self.targetRect, self.objectMap, self.objectSize, self.toolState = \
False, None, None, False, None, [], None, self.TS_NONE
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120