mirror of
https://github.com/lalbornoz/roar.git
synced 2024-11-14 03:26:53 +00:00
0fe6899d05
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
108 lines
4.7 KiB
Python
108 lines
4.7 KiB
Python
#!/usr/bin/env python3
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#
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# Canvas.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 CanvasExportStore import CanvasExportStore
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from CanvasImportStore import CanvasImportStore
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from CanvasJournal import CanvasJournal
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class Canvas():
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# {{{ _commitPatch(self, patch)
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def _commitPatch(self, patch):
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self.map[patch[1]][patch[0]] = patch[2:]
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# }}}
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# {{{ dispatchPatch(self, isCursor, patch, commitUndo=True)
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def dispatchPatch(self, isCursor, patch, commitUndo=True):
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if (patch[0] >= self.size[0]) or (patch[1] >= self.size[1]):
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return False
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else:
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patchDeltaCell = self.map[patch[1]][patch[0]]; patchDelta = [*patch[0:2], *patchDeltaCell];
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if isCursor:
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self.journal.pushCursor(patchDelta)
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else:
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if commitUndo:
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self.journal.begin(); self.journal.updateCurrentDeltas(patch, patchDelta); self.journal.end();
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self._commitPatch(patch)
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return True
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# }}}
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# {{{ dispatchPatchSingle(self, isCursor, patch, commitUndo=True)
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def dispatchPatchSingle(self, isCursor, patch, commitUndo=True):
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if (patch[0] >= self.size[0]) or (patch[1] >= self.size[1]):
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return False
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else:
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patchDeltaCell = self.map[patch[1]][patch[0]]; patchDelta = [*patch[0:2], *patchDeltaCell];
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if isCursor:
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self.journal.pushCursor(patchDelta)
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else:
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if commitUndo:
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self.journal.updateCurrentDeltas(patch, patchDelta)
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self._commitPatch(patch)
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return True
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# }}}
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# {{{ resize(self, newSize, commitUndo=True)
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def resize(self, newSize, commitUndo=True):
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if newSize != self.size:
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if self.map == None:
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self.map, oldSize = [], [0, 0]
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else:
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oldSize = self.size
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deltaSize = [b - a for a, b in zip(oldSize, newSize)]
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self.journal.resetCursor()
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if commitUndo:
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self.journal.begin()
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undoPatches, redoPatches = ["resize", *oldSize], ["resize", *newSize]
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self.journal.updateCurrentDeltas(redoPatches, undoPatches)
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if deltaSize[0] < 0:
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for numRow in range(oldSize[1]):
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if commitUndo:
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for numCol in range((oldSize[0] + deltaSize[0]), oldSize[0]):
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self.journal.updateCurrentDeltas(None, [numCol, numRow, *self.map[numRow][numCol]])
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del self.map[numRow][-1:(deltaSize[0]-1):-1]
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else:
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for numRow in range(oldSize[1]):
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self.map[numRow].extend([[1, 1, 0, " "]] * deltaSize[0])
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for numNewCol in range(oldSize[0], newSize[0]):
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if commitUndo:
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self.journal.updateCurrentDeltas([numNewCol, numRow, 1, 1, 0, " "], None)
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self.dispatchPatch(False, [numNewCol, numRow, 1, 1, 0, " "], False)
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if deltaSize[1] < 0:
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if commitUndo:
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for numRow in range((oldSize[1] + deltaSize[1]), oldSize[1]):
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for numCol in range(oldSize[0] + deltaSize[0]):
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self.journal.updateCurrentDeltas(None, [numCol, numRow, *self.map[numRow][numCol]])
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del self.map[-1:(deltaSize[1]-1):-1]
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else:
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for numNewRow in range(oldSize[1], newSize[1]):
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self.map.extend([[[1, 1, 0, " "]] * newSize[0]])
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for numNewCol in range(newSize[0]):
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if commitUndo:
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self.journal.updateCurrentDeltas([numNewCol, numNewRow, 1, 1, 0, " "], None)
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self.dispatchPatch(False, [numNewCol, numNewRow, 1, 1, 0, " "], False)
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self.size = newSize
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if commitUndo:
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self.journal.end()
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return True
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else:
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return False
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# }}}
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# {{{ update(self, newSize, newCanvas=None)
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def update(self, newSize, newCanvas=None):
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for numRow in range(self.size[1]):
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for numCol in range(self.size[0]):
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if (newCanvas != None) \
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and (numRow < len(newCanvas)) \
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and (numCol < len(newCanvas[numRow])):
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self._commitPatch([numCol, numRow, *newCanvas[numRow][numCol]])
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# }}}
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#
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# __init__(self, size): initialisation method
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def __init__(self, size):
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self.dirtyCursor, self.map, self.size = False, None, size
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self.exportStore, self.importStore, self.journal = CanvasExportStore(), CanvasImportStore(), CanvasJournal()
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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