#!/usr/bin/env python3 # # GuiCanvasPanel.py # Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz # import wx class GuiCanvasPanel(wx.ScrolledWindow): # {{{ _drawPatch(self, eventDc, isCursor, patch, viewRect) def _drawPatch(self, eventDc, isCursor, patch, viewRect): if not self.canvas.dirtyCursor: self.backend.drawCursorMaskWithJournal(self.canvas.journal, eventDc, viewRect) self.canvas.dirtyCursor = True if self.backend.drawPatch(eventDc, patch, viewRect) and isCursor: patchDeltaCell = self.canvas.map[patch[1]][patch[0]]; patchDelta = [*patch[0:2], *patchDeltaCell]; self.canvas.journal.pushCursor(patchDelta) # }}} # {{{ dispatchDeltaPatches(self, deltaPatches) def dispatchDeltaPatches(self, deltaPatches): eventDc = self.backend.getDeviceContext(self, self.GetViewStart()) for patch in deltaPatches: if patch == None: continue elif patch[0] == "resize": del eventDc; self.resize(patch[1:], False); eventDc = self.backend.getDeviceContext(self, self.GetViewStart()); else: self.canvas._commitPatch(patch); self.backend.drawPatch(eventDc, patch, self.GetViewStart()); # }}} # {{{ dispatchPatch(self, eventDc, isCursor, patch, viewRect) def dispatchPatch(self, eventDc, isCursor, patch, viewRect): if self.canvas.dispatchPatch(isCursor, patch, False if isCursor else True): self._drawPatch(eventDc, isCursor, patch, viewRect) # }}} # {{{ resize(self, newSize, commitUndo=True) def resize(self, newSize, commitUndo=True): 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.winSize = [a * b for a, b in zip(newSize, self.backend.cellSize)] self.SetMinSize(self.winSize) self.SetSize(wx.DefaultCoord, wx.DefaultCoord, *self.winSize) self.SetVirtualSize(self.winSize) curWindow = self while curWindow != None: curWindow.Layout(); curWindow = curWindow.GetParent(); self.backend.resize(newSize, self.backend.cellSize) eventDc = self.backend.getDeviceContext(self, self.GetViewStart()) viewRect = self.GetViewStart() 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, " "], viewRect) 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, " "], viewRect) del eventDc; wx.SafeYield(); self.interface.update(size=newSize, undoLevel=self.canvas.journal.patchesUndoLevel) # }}} # {{{ update(self, newSize, commitUndo=True, newCanvas=None) def update(self, newSize, commitUndo=True, newCanvas=None): self.resize(newSize, commitUndo) self.canvas.update(newSize, newCanvas) eventDc = self.backend.getDeviceContext(self, self.GetViewStart()) for numRow in range(newSize[1]): for numCol in range(newSize[0]): self.backend.drawPatch(eventDc, [numCol, numRow, *self.canvas.map[numRow][numCol]], self.GetViewStart()) wx.SafeYield() # }}} # {{{ onPanelClose(self, event) def onPanelClose(self, event): self.Destroy() # }}} # {{{ onPanelEnterWindow(self, event) def onPanelEnterWindow(self, event): self.parentFrame.SetFocus() # }}} # {{{ onPanelInput(self, event) def onPanelInput(self, event): self.canvas.dirtyJournal, self.canvas.dirtyCursor = False, False eventType, tool, viewRect = event.GetEventType(), self.interface.currentTool, self.GetViewStart() eventDc = self.backend.getDeviceContext(self, self.GetViewStart()) if eventType == wx.wxEVT_CHAR: mapPoint = self.brushPos if tool.onKeyboardEvent(event, mapPoint, self.brushColours, self.brushSize, chr(event.GetUnicodeKey()), self.dispatchPatch, eventDc, viewRect): event.Skip(); return; else: mapPoint = self.backend.xlateEventPoint(event, eventDc, viewRect) if (mapPoint[0] < self.canvas.size[0]) \ and (mapPoint[1] < self.canvas.size[1]): self.brushPos = mapPoint tool.onMouseEvent(event, self.brushPos, self.brushColours, self.brushSize, event.Dragging(), event.LeftIsDown(), event.RightIsDown(), self.dispatchPatch, eventDc, viewRect) if self.canvas.dirtyJournal: self.dirty = True self.interface.update(dirty=self.dirty, cellPos=self.brushPos, undoLevel=self.canvas.journal.patchesUndoLevel) if eventType == wx.wxEVT_MOTION: self.interface.update(cellPos=mapPoint) # }}} # {{{ onPanelLeaveWindow(self, event) def onPanelLeaveWindow(self, event): eventDc = self.backend.getDeviceContext(self, self.GetViewStart()) self.backend.drawCursorMaskWithJournal(self.canvas.journal, eventDc, self.GetViewStart()) # }}} # {{{ onPanelPaint(self, event) def onPanelPaint(self, event): self.backend.onPanelPaintEvent(self.canvas.size, self.defaultCellSize, self.GetClientSize(), self, self.GetViewStart()) # }}} # # __init__(self, parent, parentFrame, backend, canvas, defaultCanvasPos, defaultCanvasSize, defaultCellSize, interface): initialisation method def __init__(self, parent, parentFrame, backend, canvas, defaultCanvasPos, defaultCanvasSize, defaultCellSize, interface): self.winSize = [w * h for w, h in zip(defaultCanvasSize, defaultCellSize)] super().__init__(parent, pos=defaultCanvasPos, size=self.winSize) self.backend, self.interface = backend(defaultCanvasSize, defaultCellSize), interface(self, parentFrame) self.brushColours, self.brushPos, self.brushSize = [4, 1], [0, 0], [1, 1] self.canvas, self.canvasPos, self.defaultCanvasPos, self.defaultCanvasSize, self.defaultCellSize = canvas, defaultCanvasPos, defaultCanvasPos, defaultCanvasSize, defaultCellSize self.dirty, self.parentFrame = False, parentFrame self.Bind(wx.EVT_CLOSE, self.onPanelClose) self.Bind(wx.EVT_ENTER_WINDOW, self.onPanelEnterWindow) self.Bind(wx.EVT_LEAVE_WINDOW, self.onPanelLeaveWindow) self.parentFrame.Bind(wx.EVT_CHAR, self.onPanelInput) for eventType in (wx.EVT_LEFT_DOWN, wx.EVT_MOTION, wx.EVT_RIGHT_DOWN): self.Bind(eventType, self.onPanelInput) self.Bind(wx.EVT_PAINT, self.onPanelPaint) self.SetScrollRate(*defaultCellSize); self.SetVirtualSize(self.winSize); # vim:expandtab foldmethod=marker sw=4 ts=4 tw=120