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
class ToolObject(Tool):
name = "External object"
TS_NONE = 0
TS_SELECT = 1
TS_TARGET = 2
# {{{ _dispatchSelectEvent(self, canvas, dispatchFn, eventDc, mapPoint, mouseLeftDown, mouseRightDown, selectRect, viewRect)
def _dispatchSelectEvent(self, canvas, dispatchFn, eventDc, mapPoint, mouseLeftDown, mouseRightDown, selectRect, viewRect):
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)
elif mouseRightDown:
disp, isCursor, newTargetRect = [0, 0], False, selectRect.copy()
else:
disp, isCursor, newTargetRect = [0, 0], True, selectRect.copy()
dirty = self.onSelectEvent(canvas, disp, dispatchFn, eventDc, isCursor, newTargetRect, selectRect, viewRect)
self._drawSelectRect(newTargetRect, dispatchFn, eventDc, viewRect)
self.targetRect = newTargetRect
return dirty
# }}}
# {{{ _drawSelectRect(self, rect, dispatchFn, eventDc, viewRect)
def _drawSelectRect(self, rect, dispatchFn, eventDc, viewRect):
rectFrame = [[rect[m[0]][n] + m[1] for n in [0, 1]] for m in [[0, -1], [1, +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 = [0, 0]
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, " "], viewRect)
dispatchFn(eventDc, True, [rectX, rectFrame[1][1], *curColours, 0, " "], viewRect)
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, " "], viewRect)
dispatchFn(eventDc, True, [rectFrame[1][0], rectY, *curColours, 0, " "], viewRect)
# }}}
# {{{ _mouseEventTsNone(self, brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
def _mouseEventTsNone(self, brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect):
dispatchFn(eventDc, True, [*mapPoint, *brushColours, 0, " "], viewRect)
return False
# }}}
# {{{ _mouseEventTsSelect(self, brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
def _mouseEventTsSelect(self, brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect):
dirty = False
if mouseLeftDown \
and (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
elif mouseRightDown:
dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, mapPoint, mouseLeftDown, mouseRightDown, self.targetRect, viewRect)
self.targetRect, self.toolState = None, self.TS_NONE
else:
dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, mapPoint, mouseLeftDown, mouseRightDown, self.targetRect, viewRect)
return dirty
# }}}
# {{{ _mouseEventTsTarget(self, brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
def _mouseEventTsTarget(self, brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect):
dirty = False
if mouseLeftDown:
dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, mapPoint, mouseLeftDown, mouseRightDown, self.targetRect, viewRect)
elif mouseRightDown:
dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, mapPoint, mouseLeftDown, mouseRightDown, self.targetRect, viewRect)
self.targetRect, self.toolState = None, self.TS_NONE
else:
self.toolState = self.TS_SELECT
return True, dirty
# }}}
#
# onMouseEvent(self, brushColours, brushSize, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
def onMouseEvent(self, brushColours, brushSize, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect):
dirty = False
if self.toolState == self.TS_NONE:
dirty = self._mouseEventTsNone(brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
elif self.toolState == self.TS_SELECT:
dirty = self._mouseEventTsSelect(brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
elif self.toolState == self.TS_TARGET:
dirty = self._mouseEventTsTarget(brushColours, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
else:
return False, dirty
return True, dirty
#
# onSelectEvent(self, canvas, disp, dispatchFn, eventDc, isCursor, newTargetRect, selectRect, viewRect)
def onSelectEvent(self, canvas, disp, dispatchFn, eventDc, isCursor, newTargetRect, selectRect, viewRect):
dirty = False
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 < canvas.size[1]) and (rectX < canvas.size[0]):
cellNew = canvas.map[rectY][rectX]
dispatchFn(eventDc, isCursor, [rectX + disp[0], rectY + disp[1], *cellNew], viewRect)
return dirty
# __init__(self, canvas, mapPoint, objectMap, objectSize): initialisation method
def __init__(self, canvas, mapPoint, objectMap, objectSize):
super().__init__()
self.lastAtPoint, self.srcRect = list(mapPoint), list(mapPoint)
self.objectMap, self.objectSize = objectMap, objectSize
self.targetRect = [list(mapPoint), [(a + b) - (0 if a == b else 1) for a, b in zip(mapPoint, objectSize)]]
self.toolSelectMap, self.toolState = [], self.TS_SELECT
for numRow in range((self.targetRect[1][1] - self.targetRect[0][1]) + 1):
self.toolSelectMap.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
if (rectX < canvas.size[0]) and (rectY < canvas.size[1]):
self.toolSelectMap[numRow].append(canvas.map[rectY][rectX])
else:
self.toolSelectMap[numRow].append([1, 1, 0, " "])
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120