mirror of https://github.com/lalbornoz/roar.git
125 lines
7.1 KiB
Python
125 lines
7.1 KiB
Python
#!/usr/bin/env python3
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#
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# ToolSelect.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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class ToolSelect(Tool):
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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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# {{{ _dispatchSelectEvent(self, atPoint, dispatchFn, eventDc, isLeftDown, isRightDown, selectRect)
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def _dispatchSelectEvent(self, atPoint, dispatchFn, eventDc, isLeftDown, isRightDown, selectRect):
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if isLeftDown:
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disp, isCursor = [atPoint[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(atPoint)
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elif isRightDown:
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disp, isCursor, newTargetRect = [0, 0], False, selectRect.copy()
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else:
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disp, isCursor, newTargetRect = [0, 0], True, selectRect.copy()
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self.onSelectEvent(disp, dispatchFn, eventDc, isCursor, newTargetRect, selectRect)
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self._drawSelectRect(newTargetRect, dispatchFn, eventDc)
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self.targetRect = newTargetRect
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# }}}
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# {{{ _drawSelectRect(self, rect, dispatchFn, eventDc)
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def _drawSelectRect(self, rect, dispatchFn, eventDc):
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rectFrame = [[rect[m[0]][n] + m[1] for n in [0, 1]] for m in [[0, -1], [1, +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 = [0, 0]
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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, " "], viewRect)
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dispatchFn(eventDc, True, [rectX, rectFrame[1][1], *curColours, 0, " "], viewRect)
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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, " "], viewRect)
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dispatchFn(eventDc, True, [rectFrame[1][0], rectY, *curColours, 0, " "], viewRect)
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# }}}
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# {{{ _mouseEventTsNone(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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def _mouseEventTsNone(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown):
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if isLeftDown:
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self.targetRect, self.toolState = [list(atPoint), []], self.TS_ORIGIN
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else:
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dispatchFn(eventDc, True, [*atPoint, *brushColours, 0, " "], viewRect)
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# }}}
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# {{{ _mouseEventTsOrigin(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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def _mouseEventTsOrigin(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown):
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if isLeftDown:
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self.targetRect[1] = list(atPoint)
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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.srcRect, self.lastAtPoint, self.toolSelectMap, self.toolState = self.targetRect[0], list(atPoint), [], 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.toolSelectMap.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.toolSelectMap[numRow].append(self.parentCanvas.canvas.map[rectY][rectX])
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self._drawSelectRect(self.targetRect, dispatchFn, eventDc)
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elif isRightDown:
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self.targetRect, self.toolState = None, self.TS_NONE
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else:
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self.targetRect[1] = list(atPoint)
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self._drawSelectRect(self.targetRect, dispatchFn, eventDc)
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# }}}
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# {{{ _mouseEventTsSelect(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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def _mouseEventTsSelect(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown):
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if isLeftDown \
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and (atPoint[0] >= (self.targetRect[0][0] - 1)) \
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and (atPoint[0] <= (self.targetRect[1][0] + 1)) \
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and (atPoint[1] >= (self.targetRect[0][1] - 1)) \
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and (atPoint[1] <= (self.targetRect[1][1] + 1)):
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self.lastAtPoint, self.toolState = list(atPoint), self.TS_TARGET
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elif isRightDown:
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self._dispatchSelectEvent(atPoint, dispatchFn, eventDc, isLeftDown, isRightDown, self.targetRect)
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self.targetRect, self.toolState = None, self.TS_NONE
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else:
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self._dispatchSelectEvent(atPoint, dispatchFn, eventDc, isLeftDown, isRightDown, self.targetRect)
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# }}}
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# {{{ _mouseEventTsTarget(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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def _mouseEventTsTarget(self, atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown):
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if isLeftDown:
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self.toolState = self.TS_TARGET
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self._dispatchSelectEvent(atPoint, dispatchFn, eventDc, isLeftDown, isRightDown, self.targetRect)
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elif isRightDown:
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self._dispatchSelectEvent(atPoint, dispatchFn, eventDc, isLeftDown, isRightDown, self.targetRect)
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self.targetRect, self.toolState = None, self.TS_NONE
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else:
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self.toolState = self.TS_SELECT
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# }}}
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#
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# onMouseEvent(self, event, atPoint, brushColours, brushSize, isDragging, isLeftDown, isRightDown, dispatchFn, eventDc, viewRect)
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def onMouseEvent(self, event, atPoint, brushColours, brushSize, isDragging, isLeftDown, isRightDown, dispatchFn, eventDc, viewRect):
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if self.toolState == self.TS_NONE:
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self._mouseEventTsNone(atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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elif self.toolState == self.TS_ORIGIN:
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self._mouseEventTsOrigin(atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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elif self.toolState == self.TS_SELECT:
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self._mouseEventTsSelect(atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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elif self.toolState == self.TS_TARGET:
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self._mouseEventTsTarget(atPoint, brushColours, dispatchFn, eventDc, isDragging, isLeftDown, isRightDown)
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#
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# onSelectEvent(self, disp, dispatchFn, eventDc, isCursor, newTargetRect, selectRect)
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def onSelectEvent(self, disp, dispatchFn, eventDc, isCursor, newTargetRect, selectRect):
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pass
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# __init__(self, *args): initialisation method
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def __init__(self, *args):
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super().__init__(*args)
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self.lastAtPoint, self.srcRect, self.targetRect, \
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self.toolSelectMap, self.toolState = \
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None, None, None, None, self.TS_NONE
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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