#!/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) # }}} # {{{ _updateScrollBars(self) def _updateScrollBars(self): clientSize = self.GetClientSize() if (self.winSize[0] > clientSize[0]) \ or (self.winSize[1] > clientSize[1]): self.scrollFlag = True; super().SetVirtualSize(self.winSize); elif self.scrollFlag \ and ((self.winSize[0] <= clientSize[0]) \ or (self.winSize[1] <= clientSize[1])): self.scrollFlag = False; super().SetVirtualSize((0, 0)); # }}} # {{{ applyTool(self, eventDc, eventType, keyChar, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, tool, viewRect) def applyTool(self, eventDc, eventType, keyChar, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, tool, viewRect): rc = False self.canvas.dirtyJournal, self.canvas.dirtyCursor, rc = False, False, False if eventType == wx.wxEVT_CHAR: rc = tool.onKeyboardEvent(self.brushColours, self.brushSize, self.dispatchPatch, eventDc, keyChar, keyModifiers, self.brushPos, viewRect) else: if (mapPoint[0] < self.canvas.size[0]) \ and (mapPoint[1] < self.canvas.size[1]): self.brushPos = mapPoint rc = tool.onMouseEvent(self.brushColours, self.brushSize, self.dispatchPatch, eventDc, self.brushPos, mouseDragging, mouseLeftDown, mouseRightDown, 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) return rc # }}} # {{{ 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._updateScrollBars(); self.SetMinSize(self.winSize); self.SetSize(wx.DefaultCoord, wx.DefaultCoord, *self.winSize); curWindow = self while curWindow != None: curWindow.Layout(); curWindow = curWindow.GetParent(); self.backend.resize(newSize, self.backend.cellSize) viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self, viewRect); 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) 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()) # }}} # {{{ onPanelClose(self, event) def onPanelClose(self, event): self.Destroy() # }}} # {{{ onPanelInput(self, event) def onPanelInput(self, event): eventType, viewRect = event.GetEventType(), self.GetViewStart() eventDc = self.backend.getDeviceContext(self, viewRect) if eventType == wx.wxEVT_CHAR: keyChar, keyModifiers = chr(event.GetUnicodeKey()), event.GetModifiers() mapPoint, mouseDragging, mouseLeftDown, mouseRightDown = None, None, None, None else: keyChar, keyModifiers = None, None mouseDragging, mouseLeftDown, mouseRightDown = event.Dragging(), event.LeftIsDown(), event.RightIsDown() mapPoint = self.backend.xlateEventPoint(event, eventDc, viewRect) if not self.applyTool(eventDc, eventType, keyChar, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, self.interface.currentTool, self.GetViewStart()): event.Skip() # }}} # {{{ 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()) # }}} # {{{ onPanelSize(self, event) def onPanelSize(self, event): self._updateScrollBars(); event.Skip(); # }}} # # __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, self.scrollFlag = False, parentFrame, False self.SetScrollRate(*defaultCellSize); self._updateScrollBars(); self.Bind(wx.EVT_CLOSE, self.onPanelClose) self.Bind(wx.EVT_LEAVE_WINDOW, self.onPanelLeaveWindow) self.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.Bind(wx.EVT_SIZE, self.onPanelSize) # vim:expandtab foldmethod=marker sw=4 ts=4 tw=120