class DataPanel(QSplitter): def __init__(self, app): super(DataPanel, self).__init__(app) self.app = app self.data = {} self.setOrientation(Qt.Horizontal) self._key_list_model = QStandardItemModel(0, 1) self.key_lists = DwarfListView(parent=self.app) self.key_lists.setHeaderHidden(True) self.key_lists.setModel(self._key_list_model) self.key_lists.selectionModel().selectionChanged.connect( self.item_selected) self.key_lists.setContextMenuPolicy(Qt.CustomContextMenu) self.key_lists.customContextMenuRequested.connect( self._on_context_menu) self.addWidget(self.key_lists) self.editor = QPlainTextEdit() self.addWidget(self.editor) self.hex_view = HexEditor(self.app) self.hex_view.have_context_menu = False self.hex_view.setVisible(False) self.addWidget(self.hex_view) #self.setStretchFactor(0, 8) self.setStretchFactor(1, 4) self.setStretchFactor(2, 4) def clear(self): self._key_list_model.clear() self.editor.setPlainText('') self.hex_view.clear_panel() def append_data(self, data_type, key, text_data): if key not in self.data: self._key_list_model.appendRow([QStandardItem(key)]) self.data[key] = [data_type, text_data] def item_selected(self, item1, item2): item = self._key_list_model.itemFromIndex(item1.indexes()[0]) if self.data[item.text()][0] == 'plain': self.hex_view.setVisible(False) self.editor.setVisible(True) self.editor.setPlainText(self.data[item.text()][1]) else: data = self.data[item.text()][1] try: as_tx = data.decode('utf8') self.editor.setVisible(True) self.editor.setPlainText(as_tx) except: self.editor.setVisible(False) self.hex_view.setVisible(True) self.hex_view.bytes_per_line = 16 self.hex_view.set_data(data) def _on_context_menu(self, pos): context_menu = QMenu(self) index = self.key_lists.indexAt(pos).row() if index != -1: context_menu.addAction('Clear', self.clear) global_pt = self.key_lists.mapToGlobal(pos) context_menu.exec(global_pt)
class WatchpointsWidget(QWidget): """ WatchpointsWidget Signals: onItemSelected(addr_str) - item dblclicked onItemAddClick Constants: MEMORY_ACCESS_READ = 1 MEMORY_ACCESS_WRITE = 2 MEMORY_ACCESS_EXECUTE = 4 MEMORY_WATCH_SINGLESHOT = 8 """ MEMORY_ACCESS_READ = 1 MEMORY_ACCESS_WRITE = 2 MEMORY_ACCESS_EXECUTE = 4 MEMORY_WATCH_SINGLESHOT = 8 onItemDoubleClicked = pyqtSignal(int, name='onItemDoubleClicked') onItemAdded = pyqtSignal(int, name='onItemAdded') onItemRemoved = pyqtSignal(int, name='onItemRemoved') def __init__(self, parent=None): # pylint: disable=too-many-statements super(WatchpointsWidget, self).__init__(parent=parent) self._app_window = parent if self._app_window.dwarf is None: print('WatchpointsWidget created before Dwarf exists') return self._uppercase_hex = True self.setAutoFillBackground(True) # connect to dwarf self._app_window.dwarf.onWatchpointAdded.connect( self._on_watchpoint_added) self._app_window.dwarf.onWatchpointRemoved.connect( self._on_watchpoint_removed) # setup our model self._watchpoints_model = QStandardItemModel(0, 5) self._watchpoints_model.setHeaderData(0, Qt.Horizontal, 'Address') self._watchpoints_model.setHeaderData(1, Qt.Horizontal, 'R') self._watchpoints_model.setHeaderData(1, Qt.Horizontal, Qt.AlignCenter, Qt.TextAlignmentRole) self._watchpoints_model.setHeaderData(2, Qt.Horizontal, 'W') self._watchpoints_model.setHeaderData(2, Qt.Horizontal, Qt.AlignCenter, Qt.TextAlignmentRole) self._watchpoints_model.setHeaderData(3, Qt.Horizontal, 'X') self._watchpoints_model.setHeaderData(3, Qt.Horizontal, Qt.AlignCenter, Qt.TextAlignmentRole) self._watchpoints_model.setHeaderData(4, Qt.Horizontal, 'S') self._watchpoints_model.setHeaderData(4, Qt.Horizontal, Qt.AlignCenter, Qt.TextAlignmentRole) # setup ui v_box = QVBoxLayout(self) v_box.setContentsMargins(0, 0, 0, 0) self.list_view = DwarfListView() self.list_view.setModel(self._watchpoints_model) self.list_view.header().setSectionResizeMode(0, QHeaderView.Stretch) self.list_view.header().setSectionResizeMode( 1, QHeaderView.ResizeToContents | QHeaderView.Fixed) self.list_view.header().setSectionResizeMode( 2, QHeaderView.ResizeToContents | QHeaderView.Fixed) self.list_view.header().setSectionResizeMode( 3, QHeaderView.ResizeToContents | QHeaderView.Fixed) self.list_view.header().setSectionResizeMode( 4, QHeaderView.ResizeToContents | QHeaderView.Fixed) self.list_view.header().setStretchLastSection(False) self.list_view.doubleClicked.connect(self._on_item_dblclick) self.list_view.setContextMenuPolicy(Qt.CustomContextMenu) self.list_view.customContextMenuRequested.connect(self._on_contextmenu) v_box.addWidget(self.list_view) #header = QHeaderView(Qt.Horizontal, self) h_box = QHBoxLayout() h_box.setContentsMargins(5, 2, 5, 5) btn1 = QPushButton(QIcon(utils.resource_path('assets/icons/plus.svg')), '') btn1.setFixedSize(20, 20) btn1.clicked.connect(self._on_additem_clicked) btn2 = QPushButton(QIcon(utils.resource_path('assets/icons/dash.svg')), '') btn2.setFixedSize(20, 20) btn2.clicked.connect(self.delete_items) btn3 = QPushButton( QIcon(utils.resource_path('assets/icons/trashcan.svg')), '') btn3.setFixedSize(20, 20) btn3.clicked.connect(self.clear_list) h_box.addWidget(btn1) h_box.addWidget(btn2) h_box.addSpacerItem( QSpacerItem(0, 0, QSizePolicy.Expanding, QSizePolicy.Preferred)) h_box.addWidget(btn3) # header.setLayout(h_box) # header.setFixedHeight(25) # v_box.addWidget(header) v_box.addLayout(h_box) # create a centered dot icon _section_width = self.list_view.header().sectionSize(2) self._new_pixmap = QPixmap(_section_width, 20) self._new_pixmap.fill(Qt.transparent) painter = QPainter(self._new_pixmap) rect = QRect(int(_section_width * 0.5), 0, 20, 20) painter.setBrush(QColor('#666')) painter.setPen(QColor('#666')) painter.drawEllipse(rect) self._dot_icon = QIcon(self._new_pixmap) # shortcuts shortcut_add = QShortcut(QKeySequence(Qt.CTRL + Qt.Key_W), self._app_window, self._on_additem_clicked) shortcut_add.setAutoRepeat(False) self.setLayout(v_box) # ************************************************************************ # **************************** Properties ******************************** # ************************************************************************ @property def uppercase_hex(self): """ Addresses displayed lower/upper-case """ return self._uppercase_hex @uppercase_hex.setter def uppercase_hex(self, value): """ Addresses displayed lower/upper-case value - bool or str 'upper', 'lower' """ if isinstance(value, bool): self._uppercase_hex = value elif isinstance(value, str): self._uppercase_hex = (value == 'upper') # ************************************************************************ # **************************** Functions ********************************* # ************************************************************************ def do_addwatchpoint_dlg(self, ptr=None): # pylint: disable=too-many-branches """ Shows AddWatchpointDialog """ watchpoint_dlg = AddWatchpointDialog(self, ptr) if watchpoint_dlg.exec_() == QDialog.Accepted: mem_r = watchpoint_dlg.acc_read.isChecked() mem_w = watchpoint_dlg.acc_write.isChecked() mem_x = watchpoint_dlg.acc_execute.isChecked() mem_s = watchpoint_dlg.singleshot.isChecked() ptr = watchpoint_dlg.text_field.toPlainText() if ptr: if isinstance(ptr, str): if ptr.startswith('0x') or ptr.startswith('#'): ptr = utils.parse_ptr(ptr) else: try: ptr = int(ptr, 10) except ValueError: pass # int now? if not isinstance(ptr, int): try: ptr = int( self._app_window.dwarf.dwarf_api( 'evaluatePtr', ptr), 16) except ValueError: ptr = 0 if ptr == 0: return if not self._app_window.dwarf.dwarf_api( 'isValidPointer', ptr): return else: return mem_val = 0 if mem_r: mem_val |= self.MEMORY_ACCESS_READ if mem_w: mem_val |= self.MEMORY_ACCESS_WRITE if mem_x: mem_val |= self.MEMORY_ACCESS_EXECUTE if mem_s: mem_val |= self.MEMORY_WATCH_SINGLESHOT self.add_address(ptr, mem_val, from_api=False) # return [ptr, mem_val] def add_address(self, ptr, flags, from_api=False): """ Adds Address to display ptr - str or int flags - int """ if isinstance(ptr, str): ptr = utils.parse_ptr(ptr) if not isinstance(flags, int): try: flags = int(flags, 10) except ValueError: flags = 3 if not from_api: # function was called directly so add it to dwarf if not self._app_window.dwarf.is_address_watched(ptr): self._app_window.dwarf.dwarf_api('putWatchpoint', [ptr, flags]) return # show header self.list_view.setHeaderHidden(False) # create items to add if self._uppercase_hex: str_frmt = '0x{0:X}' else: str_frmt = '0x{0:x}' addr = QStandardItem() addr.setText(str_frmt.format(ptr)) read = QStandardItem() write = QStandardItem() execute = QStandardItem() singleshot = QStandardItem() if flags & self.MEMORY_ACCESS_READ: read.setIcon(self._dot_icon) if flags & self.MEMORY_ACCESS_WRITE: write.setIcon(self._dot_icon) if flags & self.MEMORY_ACCESS_EXECUTE: execute.setIcon(self._dot_icon) if flags & self.MEMORY_WATCH_SINGLESHOT: singleshot.setIcon(self._dot_icon) # add items as new row on top self._watchpoints_model.insertRow( 0, [addr, read, write, execute, singleshot]) def remove_address(self, ptr, from_api=False): """ Remove Address from List """ if isinstance(ptr, str): ptr = utils.parse_ptr(ptr) if not from_api: # called somewhere so remove watchpoint in dwarf too self._app_window.dwarf.dwarf_api('removeWatchpoint', ptr) return str_frmt = '' if self._uppercase_hex: str_frmt = '0x{0:X}'.format(ptr) else: str_frmt = '0x{0:x}'.format(ptr) model = self.list_view.model() for item in range(model.rowCount()): if str_frmt == model.item(item).text(): model.removeRow(item) def delete_items(self): """ Delete selected Items """ model = self.list_view.model() index = self.list_view.selectionModel().currentIndex().row() if index != -1: ptr = model.item(index, 0).text() self.remove_address(ptr) def clear_list(self): """ Clear the List """ model = self.list_view.model() # go through all items and tell it gets removed for item in range(model.rowCount()): ptr = model.item(item, 0).text() self.remove_address(ptr) if model.rowCount() > 0: # something was wrong it should be empty model.removeRows(0, model.rowCount()) # ************************************************************************ # **************************** Handlers ********************************** # ************************************************************************ def _on_contextmenu(self, pos): index = self.list_view.indexAt(pos).row() glbl_pt = self.list_view.mapToGlobal(pos) context_menu = QMenu(self) context_menu.addAction('Add watchpoint', self._on_additem_clicked) if index != -1: context_menu.addSeparator() context_menu.addAction( 'Copy address', lambda: utils.copy_hex_to_clipboard( self._watchpoints_model.item(index, 0).text())) context_menu.addAction( 'Jump to address', lambda: self._app_window.jump_to_address( self._watchpoints_model.item(index, 0).text())) context_menu.addAction( 'Delete watchpoint', lambda: self.remove_address( self._watchpoints_model.item(index, 0).text())) if self.list_view.search_enabled: context_menu.addSeparator() context_menu.addAction('Search', self.list_view._on_cm_search) context_menu.exec_(glbl_pt) def _on_item_dblclick(self, model_index): row = self._watchpoints_model.itemFromIndex(model_index).row() if row != -1: ptr = self._watchpoints_model.item(row, 0).text() self.onItemDoubleClicked.emit(ptr) def _on_additem_clicked(self): if self._app_window.dwarf.pid == 0: return self.do_addwatchpoint_dlg() def _on_watchpoint_added(self, watchpoint): """ Callback from Dwarf after Watchpoint is added """ # add to watchpointslist self.add_address(watchpoint.address, watchpoint.flags, from_api=True) self.onItemAdded.emit(watchpoint.address) def _on_watchpoint_removed(self, ptr): """ Callback from Dwarf after watchpoint is removed """ ptr = utils.parse_ptr(ptr) # remove from list self.remove_address(ptr, from_api=True) self.onItemRemoved.emit(ptr)