def init_font_config(self):
self.disasm_font = QFont("DejaVu Sans Mono", 10)
font_metrics = QFontMetricsF(self.disasm_font)
self.disasm_font_height = font_metrics.height()
self.disasm_font_width = font_metrics.width('A')
self.disasm_font_ascent = font_metrics.ascent()
self.symexec_font = QFont("DejaVu Sans Mono", 10)
font_metrics = QFontMetricsF(self.symexec_font)
self.symexec_font_height = font_metrics.height()
self.symexec_font_width = font_metrics.width('A')
self.symexec_font_ascent = font_metrics.ascent()
def __init__(self, main_window):
self._main_window = main_window
self._instance = None
self.views_by_category = defaultdict(list)
self.views = []
self.dockable_views = []
self.view_to_dockable = {}
#
# Some generic configurations. move to "configurations" module later
#
#self.disasm_font = QFont("courier new", 20)
self.disasm_font = QFont("DejaVu Sans Mono", 10)
font_metrics = QFontMetricsF(self.disasm_font)
self.disasm_font_height = font_metrics.height()
self.disasm_font_width = font_metrics.width('A')
self.disasm_font_ascent = font_metrics.ascent()
default_tabs = [
FunctionsView(self, 'left'),
DisassemblyView(self, 'right'),
SymexecView(self, 'right'),
StatesView(self, 'right'),
StringsView(self, 'right'),
ConsoleView(self, 'bottom'),
]
for tab in default_tabs:
self.add_view(tab, tab.caption, tab.category)
def createQtNode(self, node, posx, posy, color=QColor(255, 150, 150)):
""" Create a QtNode with given position, color for given node
Arguments:
- node: The graphviz node
- posx: The x position from graphviz layout
- posy: The y position from graphviz layout
- color: The color of circle (red by default)
"""
#dpi = float(self.gv.graph_attr['dpi'])
dpi = 96
try:
width = float(node.attr['width'])
height = float(node.attr['height'])
except ValueError:
#New created node
width = 300 / 96
height = 40 / 96
qnode = QtNode(-width * dpi / 2, -height * dpi / 2, width * dpi,
height * dpi)
qnode.setFlag(QGraphicsItem.ItemSendsGeometryChanges, True)
qnode.setPos(posx, posy)
qnode.setFlag(QGraphicsItem.ItemIsMovable)
qnode.setCallback(weakref.ref(self))
qnode.setNode(node)
qnode.setBrush(color)
txt = QGraphicsSimpleTextItem(qnode)
font = txt.font()
font.setPointSize(14)
txt.setFont(font)
txt.setText(node)
txtwidth = QFontMetricsF(font).width(node)
txtheight = QFontMetricsF(font).height()
toLeft = (-width * dpi / 2) + (width * dpi - txtwidth) / 2
toBottom = (-height * dpi / 2) + (height * dpi - txtheight) / 2
txt.setPos(toLeft, toBottom)
return qnode
def __init__(self, name, size):
self.font = QFont(name, size)
self.font.setKerning(False)
self.ascent = int(QFontMetricsF(self.font).ascent())
self.charWidth = QFontMetricsF(self.font).width("X")
self.charHeight = int(QFontMetricsF(self.font).height())
self.charOffset = 0 # can introduce extra linespacing here
self.bold = QFont(self.font)
self.bold.setBold(True)
self.under = QFont(self.font)
self.under.setUnderline(True)
# align character width properly
if self.charWidth % 1.0 < 0.5:
adjust = -(self.charWidth % 1.0)
else:
adjust = 1.0 - (self.charWidth % 1.0)
self.charWidth += adjust
self.font.setLetterSpacing(QFont.AbsoluteSpacing, adjust)
self.bold.setLetterSpacing(QFont.AbsoluteSpacing, adjust)
self.under.setLetterSpacing(QFont.AbsoluteSpacing, adjust)
def setUp(self):
super(QFontMetricsFTest, self).setUp()
self.font = QFont()
self.metrics = QFontMetricsF(self.font)
