roar/libroar/RoarCanvasWindow.py
Lucio Andrés Illanes Albornoz de96a7cdaa Various bugfixes.
1) Fix erroneous canvas repositioning on resize given no docked toolbars.
2) Correctly update scrollbar parameters when changing font (and hence cell) size.
2019-09-28 10:11:49 +02:00

282 lines
17 KiB
Python

#!/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
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
def __init__(self, parent):
super().__init__(); self.inProgress, self.parent = False, parent;
class RoarCanvasWindow(GuiWindow):
def _applyPatches(self, eventDc, patches, patchesCursor, rc):
if rc:
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
if ((patches != None) and (len(patches) > 0)) \
or ((patchesCursor != None) and (len(patchesCursor) > 0)):
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc); self.canvas.dirtyCursor = True;
if (patches != None) and (len(patches) > 0):
self.backend.drawPatches(self.canvas, eventDc, patches, isCursor=False)
self.dirty = True if not self.dirty else self.dirty;
self.canvas.journal.begin()
for patch in patches if patches != None else []:
self.canvas.dispatchPatchSingle(False, patch, commitUndo=True)
self.canvas.journal.end()
if patchesCursor != None:
patchesCursorDeltaCells = self.backend.drawPatches(self.canvas, eventDc, patchesCursor, isCursor=True)
if len(patchesCursorDeltaCells) > 0:
self.canvas.dirtyCursor = False if self.canvas.dirtyCursor else self.canvas.dirtyCursor
for patchCursorDeltaCell in patchesCursorDeltaCells:
self.canvas.journal.pushCursor(patchCursorDeltaCell)
eventDc.SetDeviceOrigin(*eventDcOrigin)
self.commands.update(dirty=self.dirty, cellPos=self.brushPos, undoLevel=self.canvas.journal.patchesUndoLevel)
def applyOperator(self, currentTool, mapPoint, mouseLeftDown, mousePoint, operator, viewRect):
eventDc, patches, patchesCursor, rc = self.backend.getDeviceContext(self.GetClientSize(), self), None, None, True
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:
self.commands.operatorState = True if self.commands.operatorState == None else self.commands.operatorState
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); rc = False;
else:
region = operator.apply(copy.deepcopy(region)); self.commands.currentOperator = None;
if rc:
if (currentTool.__class__ == ToolObject) and (currentTool.toolState >= currentTool.TS_SELECT):
currentTool.setRegion(self.canvas, None, region, [len(region[0]), len(region)], currentTool.external)
rc, patches, patchesCursor = currentTool.onSelectEvent(self.canvas, (0, 0), True, wx.MOD_NONE, None, currentTool.targetRect)
patchesCursor = [] if patchesCursor == None else patchesCursor
patchesCursor += currentTool._drawSelectRect(currentTool.targetRect)
else:
patches = []
for numRow in range(len(region)):
for numCol in range(len(region[numRow])):
patches += [[numCol, numRow, *region[numRow][numCol]]]
self._applyPatches(eventDc, patches, patchesCursor, rc)
return rc
def applyTool(self, eventDc, eventMouse, keyChar, keyCode, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, tool, viewRect, force=False):
dirty, patches, patchesCursor, rc = False, None, None, False
if eventMouse:
self.lastCellState = None if force else self.lastCellState
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)])):
self.brushPos = list(mapPoint) if tool.__class__ != ToolText else self.brushPos
if tool != None:
rc, patches, patchesCursor = tool.onMouseEvent(mapPoint, self.brushColours, self.brushPos, self.brushSize, self.canvas, keyModifiers, self.brushPos, mouseDragging, mouseLeftDown, mouseRightDown)
else:
rc, patches, patchesCursor = True, None, [[*mapPoint, self.brushColours[0], self.brushColours[0], 0, " "]]
self.lastCellState = [list(mapPoint), mouseDragging, mouseLeftDown, mouseRightDown, list(viewRect)]
else:
if tool != None:
rc, patches, patchesCursor = tool.onKeyboardEvent(mapPoint, self.brushColours, self.brushPos, self.brushSize, self.canvas, keyChar, keyCode, keyModifiers, self.brushPos)
elif mapPoint != None:
rc, patches, patchesCursor = True, None, [[*mapPoint, self.brushColours[0], self.brushColours[0], 0, " "]]
if rc:
self._applyPatches(eventDc, patches, patchesCursor, rc)
if 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;
newToolName = "Cursor" if self.commands.currentTool == None else self.commands.currentTool.name
self.commands.update(toolName=newToolName, undoInhibit=False)
else:
self.commands.update(undoInhibit=False)
return rc
def dispatchDeltaPatches(self, deltaPatches, eventDc=None, forceDirtyCursor=True):
if eventDc == None:
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
if self.canvas.dirtyCursor or forceDirtyCursor:
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
self.canvas.dirtyCursor = False
patches = []
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); patches += [patch];
self.backend.drawPatches(self.canvas, eventDc, patches, isCursor=False)
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()
def onEnterWindow(self, event):
self.lastCellState = None
def onLeaveWindow(self, event):
if False:
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, self.GetViewStart())
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
self.lastCellState = None
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)
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()
def onMouseWheel(self, event):
if event.GetModifiers() == wx.MOD_CONTROL:
fd = +1 if event.GetWheelRotation() >= event.GetWheelDelta() else -1
newFontSize = self.backend.fontSize + fd
if newFontSize > 0:
self.backend.fontSize = newFontSize
self.backend.resize(self.canvas.size); self.scrollStep = self.backend.cellSize;
super().resize([a * b for a, b in zip(self.canvas.size, self.backend.cellSize)])
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
patches = []
for numRow in range(self.canvas.size[1]):
for numCol in range(len(self.canvas.map[numRow])):
patches += [[numCol, numRow, *self.canvas.map[numRow][numCol]]]
self.backend.drawPatches(self.canvas, eventDc, patches, isCursor=False)
eventDc.SetDeviceOrigin(*eventDcOrigin)
else:
event.Skip()
def onPaint(self, event):
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
self.backend.drawCursorMaskWithJournal(self.canvas, self.canvas.journal, eventDc)
self.backend.onPaint(self.GetClientSize(), self, self.GetViewStart())
def resize(self, newSize, commitUndo=True, dirty=True):
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):
self.backend.resize(newSize); self.scrollStep = self.backend.cellSize;
super().resize([a * b for a, b in zip(newSize, self.backend.cellSize)])
eventDc = self.backend.getDeviceContext(self.GetClientSize(), self)
eventDcOrigin = eventDc.GetDeviceOrigin(); eventDc.SetDeviceOrigin(0, 0);
patches = []
if deltaSize[0] > 0:
for numRow in range(oldSize[1]):
for numNewCol in range(oldSize[0], newSize[0]):
patches += [[numNewCol, numRow, 1, 1, 0, " "]]
if deltaSize[1] > 1:
for numNewRow in range(oldSize[1], newSize[1]):
for numNewCol in range(newSize[0]):
patches += [[numNewCol, numNewRow, 1, 1, 0, " "]]
self.backend.drawPatches(self.canvas, eventDc, patches, isCursor=False)
eventDc.SetDeviceOrigin(*eventDcOrigin)
self.Scroll(*viewRect); self.dirty = dirty;
self.commands.update(dirty=self.dirty, size=newSize, undoLevel=self.canvas.journal.patchesUndoLevel)
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); patches = [];
for numRow in range(newSize[1]):
for numCol in range(newSize[0]):
patches += [[numCol, numRow, *self.canvas.map[numRow][numCol]]]
self.backend.drawPatches(self.canvas, eventDc, patches, isCursor=False)
eventDc.SetDeviceOrigin(*eventDcOrigin)
def __init__(self, backend, canvas, commands, parent, pos, size):
super().__init__(parent, pos)
self.size = size
self.backend, self.canvas, self.commands, self.parentFrame = backend(self.size), canvas, commands(self, parent), parent
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