Exemple #1
0
    def resized(self):
        ' Resize images to fit in new view size and adjust all line number references accordingly '
        for v in (self.left, self.right):
            changes = []
            for i, (top, bot, kind) in enumerate(v.changes):
                if top in v.images:
                    img, oldw, oldlines = v.images[top]
                    lines, w = self.get_lines_for_image(img, v)
                    if lines != oldlines:
                        changes.append((i, lines, lines - oldlines, img, w))

            for i, lines, delta, img, w in changes:
                top, bot, kind = v.changes[i]
                c = QTextCursor(v.document().findBlockByNumber(top+1))
                c.beginEditBlock()
                c.movePosition(c.StartOfBlock)
                if delta > 0:
                    for _ in xrange(delta):
                        c.insertBlock()
                else:
                    c.movePosition(c.NextBlock, c.KeepAnchor, -delta)
                    c.removeSelectedText()
                c.endEditBlock()
                v.images[top] = (img, w, lines)
                def mapnum(x):
                    return x if x <= top else x + delta
                lnm = LineNumberMap()
                lnm.max_width = v.line_number_map.max_width
                for x, val in v.line_number_map.iteritems():
                    dict.__setitem__(lnm, mapnum(x), val)
                v.line_number_map = lnm
                v.changes = [(mapnum(t), mapnum(b), kind) for t, b, kind in v.changes]
                v.headers = [(mapnum(x), name) for x, name in v.headers]
                v.images = OrderedDict((mapnum(x), v) for x, v in v.images.iteritems())
            v.viewport().update()
Exemple #2
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 def goto_loc(self,
              loc,
              operation=QTextCursor.Right,
              mode=QTextCursor.KeepAnchor,
              n=0):
     cursor = QTextCursor(self.preview.document())
     cursor.setPosition(loc)
     if n:
         cursor.movePosition(operation, mode, n)
     self.preview.setTextCursor(cursor)
Exemple #3
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    def reformat_blocks(self, position, removed, added):
        doc = self.doc
        if doc is None or self.ignore_requests or not hasattr(self, 'state_map'):
            return

        block = doc.findBlock(position)
        if not block.isValid():
            return
        start_cursor = QTextCursor(block)
        last_block = doc.findBlock(position + added + (1 if removed > 0 else 0))
        if not last_block.isValid():
            last_block = doc.lastBlock()
        end_cursor = QTextCursor(last_block)
        end_cursor.movePosition(end_cursor.EndOfBlock)
        self.requests.append((start_cursor, end_cursor))
        QTimer.singleShot(0, self.do_one_block)
Exemple #4
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    def reformat_blocks(self, position, removed, added):
        doc = self.doc
        if doc is None or self.ignore_requests or not hasattr(
                self, 'state_map'):
            return

        block = doc.findBlock(position)
        if not block.isValid():
            return
        start_cursor = QTextCursor(block)
        last_block = doc.findBlock(position + added +
                                   (1 if removed > 0 else 0))
        if not last_block.isValid():
            last_block = doc.lastBlock()
        end_cursor = QTextCursor(last_block)
        end_cursor.movePosition(end_cursor.EndOfBlock)
        self.requests.append((start_cursor, end_cursor))
        QTimer.singleShot(0, self.do_one_block)
Exemple #5
0
    def resized(self):
        ' Resize images to fit in new view size and adjust all line number references accordingly '
        for v in (self.left, self.right):
            changes = []
            for i, (top, bot, kind) in enumerate(v.changes):
                if top in v.images:
                    img, oldw, oldlines = v.images[top]
                    lines, w = self.get_lines_for_image(img, v)
                    if lines != oldlines:
                        changes.append((i, lines, lines - oldlines, img, w))

            for i, lines, delta, img, w in changes:
                top, bot, kind = v.changes[i]
                c = QTextCursor(v.document().findBlockByNumber(top + 1))
                c.beginEditBlock()
                c.movePosition(c.StartOfBlock)
                if delta > 0:
                    for _ in xrange(delta):
                        c.insertBlock()
                else:
                    c.movePosition(c.NextBlock, c.KeepAnchor, -delta)
                    c.removeSelectedText()
                c.endEditBlock()
                v.images[top] = (img, w, lines)

                def mapnum(x):
                    return x if x <= top else x + delta

                lnm = LineNumberMap()
                lnm.max_width = v.line_number_map.max_width
                for x, val in v.line_number_map.iteritems():
                    dict.__setitem__(lnm, mapnum(x), val)
                v.line_number_map = lnm
                v.changes = [(mapnum(t), mapnum(b), k)
                             for t, b, k in v.changes]
                v.headers = [(mapnum(x), name) for x, name in v.headers]
                v.images = OrderedDict(
                    (mapnum(x), v) for x, v in v.images.iteritems())
            v.viewport().update()
Exemple #6
0
 def goto_loc(self, loc, operation=QTextCursor.Right, mode=QTextCursor.KeepAnchor, n=0):
     cursor = QTextCursor(self.preview.document())
     cursor.setPosition(loc)
     if n:
         cursor.movePosition(operation, mode, n)
     self.preview.setTextCursor(cursor)