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