roar/libroar/RoarCanvasWindow.py

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#!/usr/bin/env python3
#
# RoarCanvasWindow.py
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
from GuiWindow import GuiWindow
from ToolObject import ToolObject
from ToolText import ToolText
import copy, json, wx, sys
class RoarCanvasWindowDropTarget(wx.TextDropTarget):
def done(self):
self.inProgress = False
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def OnDropText(self, x, y, data):
rc = False
if ((self.parent.commands.currentTool.__class__ != ToolObject) \
or (self.parent.commands.currentTool.toolState == self.parent.commands.currentTool.TS_NONE)) \
and (not self.inProgress):
try:
dropMap, dropSize = json.loads(data)
rectX, rectY = x - (x % self.parent.backend.cellSize[0]), y - (y % self.parent.backend.cellSize[1])
mapX, mapY = int(rectX / self.parent.backend.cellSize[0] if rectX else 0), int(rectY / self.parent.backend.cellSize[1] if rectY else 0)
viewRect = self.parent.GetViewStart(); mapPoint = [m + n for m, n in zip((mapX, mapY), viewRect)];
self.parent.commands.lastTool, self.parent.commands.currentTool = self.parent.commands.currentTool, ToolObject()
self.parent.commands.currentTool.setRegion(self.parent.canvas, mapPoint, dropMap, dropSize, external=True)
self.parent.commands.update(toolName=self.parent.commands.currentTool.name)
eventDc = self.parent.backend.getDeviceContext(self.parent.GetClientSize(), self.parent, viewRect)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
self.parent.applyTool(eventDc, True, None, None, None, self.parent.brushPos, False, False, False, self.parent.commands.currentTool, viewRect)
eventDc.SetDeviceOrigin(*eventDcOrigin)
rc = True; self.inProgress = True;
except:
with wx.MessageDialog(self.parent, "Error: {}".format(sys.exc_info()[1]), "", wx.OK | wx.OK_DEFAULT) as dialog:
dialogChoice = dialog.ShowModal()
return rc
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def __init__(self, parent):
super().__init__(); self.inProgress, self.parent = False, parent;
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class RoarCanvasWindow(GuiWindow):
def _drawPatch(self, eventDc, isCursor, patch):
if not self.canvas.dirtyCursor:
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
self.canvas.dirtyCursor = True
if self.backend.drawPatch(self.canvas, eventDc, patch, isCursor=isCursor) and isCursor:
patchDeltaCell = self.canvas.map[patch[1]][patch[0]]; patchDelta = [*patch[0:2], *patchDeltaCell];
self.canvas.journal.pushCursor(patchDelta)
def applyOperator(self, currentTool, mapPoint, mouseLeftDown, mousePoint, operator, viewRect):
self.canvas.dirtyCursor = False
if (currentTool.__class__ == ToolObject) \
and (currentTool.toolState >= currentTool.TS_SELECT):
region = currentTool.getRegion(self.canvas)
else:
region = self.canvas.map
if hasattr(operator, "apply2"):
if mouseLeftDown:
if self.commands.operatorState == None:
self.commands.operatorState = True
region = operator.apply2(mapPoint, mousePoint, region, copy.deepcopy(region))
self.commands.update(operator=self.commands.currentOperator.name)
elif self.commands.operatorState != None:
self.commands.currentOperator = None
self.commands.update(operator=None)
return
else:
region = operator.apply(copy.deepcopy(region))
self.commands.currentOperator = None
if (currentTool.__class__ == ToolObject) \
and (currentTool.toolState >= currentTool.TS_SELECT):
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self) if self.popupEventDc == None else self.popupEventDc
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
currentTool.setRegion(self.canvas, None, region, [len(region[0]), len(region)], currentTool.external)
currentTool.onSelectEvent(self.canvas, (0, 0), self.dispatchPatchSingle, eventDc, True, wx.MOD_NONE, None, currentTool.targetRect)
currentTool._drawSelectRect(currentTool.targetRect, self.dispatchPatchSingle, eventDc)
eventDc.SetDeviceOrigin(*eventDcOrigin)
else:
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self) if self.popupEventDc == None else self.popupEventDc
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
self.canvas.journal.begin()
for numRow in range(len(region)):
for numCol in range(len(region[numRow])):
self.dirty = True if not self.dirty else self.dirty
self.dispatchPatchSingle(eventDc, False, [numCol, numRow, *region[numRow][numCol]])
self.canvas.journal.end()
self.commands.update(dirty=self.dirty, undoLevel=self.canvas.journal.patchesUndoLevel)
eventDc.SetDeviceOrigin(*eventDcOrigin)
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def applyTool(self, eventDc, eventMouse, keyChar, keyCode, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, tool, viewRect, force=False):
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
dirty, self.canvas.dirtyCursor, rc = False, False, False
self.canvas.journal.begin()
if eventMouse:
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if force:
self.lastCellState = None
if ((mapPoint[0] < self.canvas.size[0]) \
and (mapPoint[1] < self.canvas.size[1])) \
and ((self.lastCellState == None) \
or (self.lastCellState != [list(mapPoint), mouseDragging, mouseLeftDown, mouseRightDown, list(viewRect)])):
if tool.__class__ != ToolText:
self.brushPos = list(mapPoint)
if tool != None:
rc, dirty = tool.onMouseEvent(mapPoint, self.brushColours, self.brushPos, self.brushSize, self.canvas, self.dispatchPatchSingle, eventDc, keyModifiers, self.brushPos, mouseDragging, mouseLeftDown, mouseRightDown)
else:
self.dispatchPatchSingle(eventDc, True, [*mapPoint, self.brushColours[0], self.brushColours[0], 0, " "])
self.lastCellState = [list(mapPoint), mouseDragging, mouseLeftDown, mouseRightDown, list(viewRect)]
else:
if tool != None:
rc, dirty = tool.onKeyboardEvent(mapPoint, self.brushColours, self.brushPos, self.brushSize, self.canvas, self.dispatchPatchSingle, eventDc, keyChar, keyCode, keyModifiers, self.brushPos)
elif mapPoint != None:
self.dispatchPatchSingle(eventDc, True, [*mapPoint, self.brushColours[0], self.brushColours[0], 0, " "])
if dirty:
self.dirty = True
self.commands.update(dirty=self.dirty, cellPos=self.brushPos, undoLevel=self.canvas.journal.patchesUndoLevel)
else:
self.commands.update(cellPos=self.brushPos)
self.canvas.journal.end()
if rc and (tool.__class__ == ToolObject):
if tool.toolState > tool.TS_NONE:
self.commands.update(undoInhibit=True)
elif tool.toolState == tool.TS_NONE:
if tool.external:
self.dropTarget.done()
self.commands.currentTool, self.commands.lastTool = self.commands.lastTool, self.commands.currentTool
if self.commands.currentTool != None:
self.commands.update(toolName=self.commands.currentTool.name, undoInhibit=False)
else:
self.commands.update(toolName="Cursor", undoInhibit=False)
else:
self.commands.update(undoInhibit=False)
eventDc.SetDeviceOrigin(*eventDcOrigin)
return rc
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def dispatchDeltaPatches(self, deltaPatches):
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
if self.canvas.dirtyCursor:
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
self.canvas.dirtyCursor = False
for patch in deltaPatches:
if patch == None:
continue
elif patch[0] == "resize":
del eventDc; self.resize(patch[1:], False);
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
else:
self.canvas._commitPatch(patch); self.backend.drawPatch(self.canvas, eventDc, patch)
eventDc.SetDeviceOrigin(*eventDcOrigin)
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def dispatchPatch(self, eventDc, isCursor, patch):
if self.canvas.dispatchPatch(isCursor, patch, False if isCursor else True):
self._drawPatch(eventDc, isCursor, patch)
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def dispatchPatchSingle(self, eventDc, isCursor, patch):
if self.canvas.dispatchPatchSingle(isCursor, patch, False if isCursor else True):
self._drawPatch(eventDc, isCursor, patch)
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def resize(self, newSize, commitUndo=True, dirty=True):
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viewRect = self.GetViewStart()
oldSize = [0, 0] if self.canvas.map == None else self.canvas.size
deltaSize = [b - a for a, b in zip(oldSize, newSize)]
if self.canvas.resize(newSize, commitUndo):
super().resize([a * b for a, b in zip(newSize, self.backend.cellSize)])
self.backend.resize(newSize, self.backend.cellSize)
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
if deltaSize[0] > 0:
for numRow in range(oldSize[1]):
for numNewCol in range(oldSize[0], newSize[0]):
self._drawPatch(eventDc, False, [numNewCol, numRow, 1, 1, 0, " "])
if deltaSize[1] > 1:
for numNewRow in range(oldSize[1], newSize[1]):
for numNewCol in range(newSize[0]):
self._drawPatch(eventDc, False, [numNewCol, numNewRow, 1, 1, 0, " "])
eventDc.SetDeviceOrigin(*eventDcOrigin)
self.Scroll(*viewRect); self.dirty = dirty;
self.commands.update(dirty=self.dirty, size=newSize, undoLevel=self.canvas.journal.patchesUndoLevel)
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def update(self, newSize, commitUndo=True, newCanvas=None, dirty=True):
self.resize(newSize, commitUndo, dirty)
self.canvas.update(newSize, newCanvas)
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, self.GetViewStart())
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
for numRow in range(newSize[1]):
for numCol in range(newSize[0]):
self.backend.drawPatch(self.canvas, eventDc, [numCol, numRow, *self.canvas.map[numRow][numCol]])
eventDc.SetDeviceOrigin(*eventDcOrigin)
def onKeyboardInput(self, event):
keyCode, keyModifiers = event.GetKeyCode(), event.GetModifiers()
viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect);
if (keyCode == wx.WXK_PAUSE) \
and (keyModifiers == wx.MOD_SHIFT):
import pdb; pdb.set_trace()
elif keyCode in (wx.WXK_DOWN, wx.WXK_LEFT, wx.WXK_RIGHT, wx.WXK_UP):
if keyCode == wx.WXK_DOWN:
if self.brushPos[1] < (self.canvas.size[1] - 1):
self.brushPos = [self.brushPos[0], self.brushPos[1] + 1]
else:
self.brushPos = [self.brushPos[0], 0]
elif keyCode == wx.WXK_LEFT:
if self.brushPos[0] > 0:
self.brushPos = [self.brushPos[0] - 1, self.brushPos[1]]
else:
self.brushPos = [self.canvas.size[0] - 1, self.brushPos[1]]
elif keyCode == wx.WXK_RIGHT:
if self.brushPos[0] < (self.canvas.size[0] - 1):
self.brushPos = [self.brushPos[0] + 1, self.brushPos[1]]
else:
self.brushPos = [0, self.brushPos[1]]
elif keyCode == wx.WXK_UP:
if self.brushPos[1] > 0:
self.brushPos = [self.brushPos[0], self.brushPos[1] - 1]
else:
self.brushPos = [self.brushPos[0], self.canvas.size[1] - 1]
self.commands.update(cellPos=self.brushPos)
self.applyTool(eventDc, True, None, None, None, self.brushPos, False, False, False, self.commands.currentTool, viewRect)
elif (chr(event.GetUnicodeKey()) == " ") \
and (self.commands.currentTool.__class__ != ToolText):
if not self.applyTool(eventDc, True, None, None, event.GetModifiers(), self.brushPos, False, True, False, self.commands.currentTool, viewRect):
event.Skip()
else:
if self.brushPos[0] < (self.canvas.size[0] - 1):
self.brushPos = [self.brushPos[0] + 1, self.brushPos[1]]
else:
self.brushPos = [0, self.brushPos[1]]
self.commands.update(cellPos=self.brushPos)
self.applyTool(eventDc, True, None, None, None, self.brushPos, False, False, False, self.commands.currentTool, viewRect)
else:
if not self.applyTool(eventDc, False, chr(event.GetUnicodeKey()), keyCode, keyModifiers, None, None, None, None, self.commands.currentTool, viewRect):
event.Skip()
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def onEnterWindow(self, event):
self.lastCellState = None
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def onLeaveWindow(self, event):
if False:
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, self.GetViewStart())
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
eventDc.SetDeviceOrigin(*eventDcOrigin)
self.lastCellState = None
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def onMouseInput(self, event):
viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect);
mouseDragging, mouseLeftDown, mouseRightDown = event.Dragging(), event.LeftIsDown(), event.RightIsDown()
mapPoint = self.backend.xlateEventPoint(event, eventDc, viewRect)
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if viewRect != (0, 0):
mapPoint = [a + b for a, b in zip(mapPoint, viewRect)]
if self.commands.currentOperator != None:
self.applyOperator(self.commands.currentTool, mapPoint, mouseLeftDown, event.GetLogicalPosition(eventDc), self.commands.currentOperator, viewRect)
elif mouseRightDown \
and (self.commands.currentTool.__class__ == ToolObject) \
and (self.commands.currentTool.toolState >= self.commands.currentTool.TS_SELECT):
self.popupEventDc = eventDc; self.PopupMenu(self.operatorsMenu); self.popupEventDc = None;
elif not self.applyTool(eventDc, True, None, None, event.GetModifiers(), mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, self.commands.currentTool, viewRect):
event.Skip()
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def onMouseWheel(self, event):
if event.GetModifiers() == wx.MOD_CONTROL:
cd = +1 if event.GetWheelRotation() >= event.GetWheelDelta() else -1
newCellSize = [cs + cd for cs in self.backend.cellSize]
if (newCellSize[0] > 0) and (newCellSize[1] > 0):
self.backend.cellSize = newCellSize
super().resize([a * b for a, b in zip(self.canvas.size, self.backend.cellSize)])
self.backend.resize(self.canvas.size, self.backend.cellSize)
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
for numRow in range(self.canvas.size[1]):
for numCol in range(len(self.canvas.map[numRow])):
self._drawPatch(eventDc, False, [numCol, numRow, *self.canvas.map[numRow][numCol]])
eventDc.SetDeviceOrigin(*eventDcOrigin)
else:
event.Skip()
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def onPaint(self, event):
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
eventDc.SetDeviceOrigin(*eventDcOrigin)
self.backend.onPaint(self.GetClientSize(), self, self.GetViewStart())
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#
# __init__(self, backend, canvas, cellSize, commands, parent, parentFrame, pos, scrollStep, size): initialisation method
def __init__(self, backend, canvas, cellSize, commands, parent, parentFrame, pos, scrollStep, size):
super().__init__(parent, pos, scrollStep)
self.size = size
self.backend, self.canvas, self.cellSize, self.commands, self.parentFrame = backend(self.size, cellSize), canvas, cellSize, commands(self, parentFrame), parentFrame
self.brushColours, self.brushPos, self.brushSize, self.dirty, self.lastCellState = [4, 1], [0, 0], [1, 1], False, None
self.popupEventDc = None
self.dropTarget = RoarCanvasWindowDropTarget(self)
self.SetDropTarget(self.dropTarget)
self.Bind(wx.EVT_MOUSEWHEEL, self.onMouseWheel)
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120