roar/libcanvas/CanvasJournal.py
Lucio Andrés Illanes Albornoz ced45fa0d4 Various bugfixes & usability improvements.
1)  Add background colour toolbar beneath (foreground) colour toolbar.
2)  Add colour flipping command w/ {accelerator,{menu,toolbar} item}.
3)  Add {de,in}crease {brush,canvas} size accelerator.
4)  Add {hide,show} assets window toolbar item.
5)  Circle tool: draw outline with foreground colour.
6)  Circle tool: honour transparency.
7)  Fill tool: change comprehensive fill modifier key from <Shift> to <Ctrl>.
8)  Fill tool: fill with {back,fore}ground colour given <[RL]MB>
9)  Fix arrow keys cursor motion when scrolled down.
10  Instantly reflect {brush size,colour,tool} changes in canvas.
11) Object tool: honour transparency w/ non-external objects.
12) Object tool: update selection rectangle during <LMB> whilst dragging, set w/ release of <LMB>.
13) Rectangle tool: draw outline with foreground colour.
14) Rectangle tool: honour transparency.
15) Replace wx.ToolBar() w/ wx.lib.agw.aui.AuiToolBar() & custom wx.lib.agw.aui.AuiDefaultToolBarArt().
16) Restore scrolling position after resizing canvas.

.TODO: deleted.
assets/audio/roar{arab8,spoke11}.wav: added.
assets/text/hotkeys.txt: added to document hotkeys.
assets/text/requirements.txt, requirements.txt: moved.
assets/text/TODO: updated.
{assets/tools,lib{canvas,gui,roar,rtl,tools}}/*.py: remove Vim fold markers.
libroar/RoarCanvasCommandsFile.py:_importFile(): update wx.FileDialog() message.
libroar/RoarCanvasCommandsOperators.py:canvasOperator(): update invert colours {caption,label}.
2019-09-23 18:49:33 +02:00

68 lines
2.1 KiB
Python

#!/usr/bin/env python3
#
# CanvasJournal.py
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
class CanvasJournal():
def begin(self):
deltaItem = [[], []]; self.patchesUndo.insert(self.patchesUndoLevel, deltaItem);
def end(self):
if self.patchesUndo[self.patchesUndoLevel] == [[], []]:
del self.patchesUndo[self.patchesUndoLevel]
else:
if self.patchesUndoLevel > 0:
del self.patchesUndo[:self.patchesUndoLevel]; self.patchesUndoLevel = 0;
def popCursor(self):
if len(self.patchesCursor):
patchesCursor = self.patchesCursor; self.patchesCursor = [];
return patchesCursor
else:
return []
def popRedo(self):
if self.patchesUndoLevel > 0:
self.patchesUndoLevel -= 1; patches = self.patchesUndo[self.patchesUndoLevel];
return patches[1]
else:
return []
def popUndo(self):
if self.patchesUndo[self.patchesUndoLevel] != None:
patches = self.patchesUndo[self.patchesUndoLevel]; self.patchesUndoLevel += 1;
return patches[0]
else:
return []
def pushCursor(self, patches):
self.patchesCursor.append(patches)
def resetCursor(self):
if self.patchesCursor != None:
self.patchesCursor.clear()
self.patchesCursor = []
def resetUndo(self):
if self.patchesUndo != None:
self.patchesUndo.clear()
self.patchesUndo = [None]; self.patchesUndoLevel = 0;
def updateCurrentDeltas(self, redoPatches, undoPatches):
self.patchesUndo[self.patchesUndoLevel][0].append(undoPatches)
self.patchesUndo[self.patchesUndoLevel][1].append(redoPatches)
def __del__(self):
self.resetCursor(); self.resetUndo();
#
# __init__(self): initialisation method
def __init__(self):
self.patchesCursor, self.patchesUndo, self. patchesUndoLevel = None, None, None
self.resetCursor(); self.resetUndo();
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120