Mercurial > lcfOS
changeset 139:2ec4d4332b7a
Improve hexedit
author | Windel Bouwman |
---|---|
date | Sat, 26 Jan 2013 19:44:36 +0100 |
parents | 14e739ed03ab |
children | 104037b292cc |
files | python/hexedit.py |
diffstat | 1 files changed, 11 insertions(+), 16 deletions(-) [+] |
line wrap: on
line diff
--- a/python/hexedit.py Sat Jan 26 10:04:32 2013 +0100 +++ b/python/hexedit.py Sat Jan 26 19:44:36 2013 +0100 @@ -2,8 +2,7 @@ from PyQt4.QtCore import * from PyQt4.QtGui import * -BYTES_PER_LINE = 8 -GAP = 12 +BYTES_PER_LINE, GAP = 8, 12 def clamp(minimum, x, maximum): return max(minimum, min(x, maximum)) @@ -46,12 +45,10 @@ def getCursorPosition(self): return self.cursorPosition CursorPosition = property(getCursorPosition, setCursorPosition) - def getOffset(self): - return self.offset def setOffset(self, off): self.offset = off self.update() - Offset = property(getOffset, setOffset) + Offset = property(lambda self: self.offset, setOffset) def paintEvent(self, event): # Helper variables: er = event.rect() @@ -115,16 +112,14 @@ self.CursorPosition += 1 self.scrollArea.ensureVisible(self.cursorX, self.cursorY + self.charHeight / 2, 4, self.charHeight / 2 + 4) self.update() - def cursorPositionAt(self, pos): + def setCursorPositionAt(self, pos): """ Calculate cursor position at a certain point """ if pos.x() > self.xposHex and pos.x() < self.xposAscii: - x = (pos.x() - self.xposHex) / self.charWidth + x = round((2 * (pos.x() - self.xposHex)) / (self.charWidth * 3)) y = int(pos.y() / self.charHeight) * 2 * BYTES_PER_LINE - return x + y - return 0 + self.setCursorPosition(x + y) def mousePressEvent(self, event): - cpos = self.cursorPositionAt(event.pos()) - self.setCursorPosition(cpos) + self.setCursorPositionAt(event.pos()) def adjust(self): self.charHeight = self.fontMetrics().height() self.charWidth = self.fontMetrics().width('x') @@ -135,16 +130,16 @@ self.setMinimumWidth(self.xposEnd) sbw = self.scrollArea.verticalScrollBar().width() self.scrollArea.setMinimumWidth(self.xposEnd + sbw + 5) - self.setMinimumHeight((int(len(self.Data) / BYTES_PER_LINE) + 1) * self.charHeight) + r = len(self.Data) % BYTES_PER_LINE + r = 1 if r > 0 else 0 + self.setMinimumHeight((int(len(self.Data) / BYTES_PER_LINE) + r) * self.charHeight + 4) self.scrollArea.setMinimumHeight(self.charHeight * 8) self.update() - def getData(self): - return self.data def setData(self, d): self.data = d self.adjust() self.setCursorPosition(0) - Data = property(getData, setData) + Data = property(lambda self: self.data, setData) class HexEdit(QScrollArea): def __init__(self): @@ -159,6 +154,6 @@ app = QApplication(sys.argv) he = HexEdit() he.show() - he.bv.Data = bytearray(range(100)) * 8 + b'hjkfd' + he.bv.Data = bytearray(range(100)) * 8 + b'x' app.exec()