def create_ui(self): button = QPushButton("Rotate - ", self) button.setGeometry(200, 450, 100, 50) button.clicked.connect(self.rotateMinus) button2 = QPushButton("Rotate + ", self) button2.setGeometry(320, 450, 100, 50) button2.clicked.connect(self.rotatePlus) scene = QGraphicsScene(self) greenBrush = QBrush(Qt.green) blueBrush = QBrush(Qt.blue) blackPen = QPen(Qt.black) blackPen.setWidth(5) ellipse = scene.addEllipse(10, 10, 200, 200, blackPen, greenBrush) rect = scene.addRect(-100, -100, 200, 200, blackPen, blueBrush) scene.addText("antoine-libert.com", QFont("Sanserif", 15)) ellipse.setFlag(QGraphicsItem.ItemIsMovable) rect.setFlag(QGraphicsItem.ItemIsMovable) self.view = QGraphicsView(scene, self) self.view.setGeometry(0, 0, 640, 440)
def test_setParentItem(self): global qgraphics_item_painted scene = QGraphicsScene() scene.addText("test") view = QGraphicsView(scene) rect = self.createRoundRect(scene) view.show() QTimer.singleShot(1000, self.quit_app) self.app.exec_() self.assertTrue(qgraphics_item_painted)
def test_setParentItem(self): global qgraphics_item_painted scene = QGraphicsScene() scene.addText("test") view = QGraphicsView(scene) rect = self.createRoundRect(scene) view.show() QTimer.singleShot(1000, self.quit_app) self.app.exec_() self.assert_(qgraphics_item_painted)
def _create_icon_renderer(self, icon_code, color_code): scene = QGraphicsScene() font = QFont('Font Awesome 5 Free Solid') text_item = scene.addText(icon_code, font) text_item.setDefaultTextColor(color_code) _align_text_in_item(text_item) self.icon_renderers[icon_code, color_code] = _SceneSvgRenderer.from_scene(scene)
def update_console(self, text): """ This function updates logging_view with the given text, but has to do it in quite a roundabout way because I had to use a QGraphicsScene for this to allow for scrolling :param text: String that is updated in the console """ current_text = self.logging_view.scene().items()[0].toPlainText( ) if self.logging_view.scene() is not None else '' current_text += '[{}] {}\n'.format( datetime.datetime.now().strftime('%X'), text) new_scene = QGraphicsScene() x = new_scene.addText(current_text) x.setTextInteractionFlags(Qt.TextSelectableByMouse) self.logging_view.setScene(new_scene)
def _create_obj_group_renderer(self, object_class_name): display_icon = self.display_icons.get(object_class_name, -1) icon_code, color_code = interpret_icon_id(display_icon) font = QFont('Font Awesome 5 Free Solid') scene = QGraphicsScene() x = 0 for _ in range(2): y = 0 for _ in range(2): text_item = scene.addText(chr(icon_code), font) text_item.setDefaultTextColor(color_code) text_item.setPos(x, y) y += 0.875 * text_item.boundingRect().height() x += 0.875 * text_item.boundingRect().width() scene.addRect(scene.itemsBoundingRect()) self.obj_group_renderers[ object_class_name] = _SceneSvgRenderer.from_scene(scene)
def _create_rel_cls_renderer(self, object_class_names): if not any(object_class_names): self.rel_cls_renderers[object_class_names] = self.icon_renderer( "\uf1b3", 0) return font = QFont('Font Awesome 5 Free Solid') scene = QGraphicsScene() x = 0 for j, obj_cls_name in enumerate(object_class_names): display_icon = self.display_icons.get(obj_cls_name, -1) icon_code, color_code = interpret_icon_id(display_icon) text_item = scene.addText(chr(icon_code), font) text_item.setDefaultTextColor(color_code) _align_text_in_item(text_item) if j % 2 == 0: y = 0 else: y = -0.875 * 0.75 * text_item.boundingRect().height() text_item.setZValue(-1) text_item.setPos(x, y) x += 0.875 * 0.5 * text_item.boundingRect().width() _center_scene(scene) self.rel_cls_renderers[ object_class_names] = _SceneSvgRenderer.from_scene(scene)
class AddItem(UsesQApplication): '''Tests for QGraphicsScene.add*''' qapplication = True def setUp(self): #Acquire resources super(AddItem, self).setUp() self.scene = QGraphicsScene() # While the scene does not inherits from QWidget, requires # an application to make the internals work. def tearDown(self): #Release resources del self.scene super(AddItem, self).tearDown() def testEllipse(self): #QGraphicsScene.addEllipse item = self.scene.addEllipse(100, 100, 100, 100) self.assertTrue(isinstance(item, QGraphicsEllipseItem)) def testLine(self): #QGraphicsScene.addLine item = self.scene.addLine(100, 100, 200, 200) self.assertTrue(isinstance(item, QGraphicsLineItem)) def testPath(self): #QGraphicsScene.addPath item = self.scene.addPath(QPainterPath()) self.assertTrue(isinstance(item, QGraphicsPathItem)) def testPixmap(self): #QGraphicsScene.addPixmap item = self.scene.addPixmap(QPixmap()) self.assertTrue(isinstance(item, QGraphicsPixmapItem)) def testPolygon(self): #QGraphicsScene.addPolygon points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)] item = self.scene.addPolygon(QPolygonF(points)) self.assertTrue(isinstance(item, QGraphicsPolygonItem)) def testRect(self): #QGraphicsScene.addRect item = self.scene.addRect(100, 100, 100, 100) self.assertTrue(isinstance(item, QGraphicsRectItem)) def testSimpleText(self): #QGraphicsScene.addSimpleText item = self.scene.addSimpleText('Monty Python 42') self.assertTrue(isinstance(item, QGraphicsSimpleTextItem)) def testText(self): #QGraphicsScene.addText item = self.scene.addText('Monty Python 42') self.assertTrue(isinstance(item, QGraphicsTextItem)) def testWidget(self): #QGraphicsScene.addWidget # XXX: printing some X11 error when using under PyQt4 item = self.scene.addWidget(QPushButton()) self.assertTrue(isinstance(item, QGraphicsProxyWidget))
class QPOIViewer(QWidget): """ POI Viewer QWidget """ TAG_SPACING = 50 LEGEND_X = -50 LEGEND_Y = 0 LEGEND_WIDTH = 10 TRACE_FUNC_X = 0 TRACE_FUNC_Y = 0 TRACE_FUNC_WIDTH = 50 TRACE_FUNC_MINHEIGHT = 1000 TAB_HEADER_SIZE = 40 MAX_WINDOW_SIZE = 500 MARK_X = LEGEND_X MARK_WIDTH = TRACE_FUNC_X - LEGEND_X + TRACE_FUNC_WIDTH MARK_HEIGHT = 1 POIID_COLUMN = 0 CRASH_COLUMN = 1 CATEGORY_COLUMN = 2 DIAGNOSE_COLUMN = 3 COLUMN_FIELD = ['id', 'bbl', 'category', 'diagnose'] def __init__(self, workspace, parent=None, diagnose_handler=None): super().__init__(parent=parent) self.workspace = workspace self._diagnose_handler = diagnose_handler self.mark = None self.legend = None self.legend_height = 0 self.legend_img = None self.trace_func_unit_height = 0 self.trace_func = None self.trace_id = None self.tabView = None self.traceView = None self.traceScene = None self.POITraceTab = None self.multiPOITab : QWidget = None self.multiPOIList : QTableWidget = None self.mark = None self.curr_position = 0 self._use_precise_position = False self._selected_traces = [] self._selected_poi = None self._init_widgets() self.selected_ins.am_subscribe(self._subscribe_select_ins) self.poi_trace.am_subscribe(self._subscribe_set_trace) self.multi_poi.am_subscribe(self._subscribe_add_poi) self.multiPOIList.cellDoubleClicked.connect(self._on_cell_double_click) self.multiPOIList.itemChanged.connect(self._on_diagnose_change) # # Forwarding properties # @property def disasm_view(self): """ Get the current disassembly view (if there is one), or create a new one as needed. """ view = self.workspace.view_manager.current_view_in_category("disassembly") if view is None: view = self.workspace._get_or_create_disassembly_view() return view @property def poi_trace(self): return self.workspace.instance.poi_trace @property def multi_poi(self): return self.workspace.instance.multi_poi @property def selected_ins(self): return self.disasm_view.infodock.selected_insns def _init_widgets(self): _l.debug("QPOI Viewer Initiating") self.tabView = QTabWidget() # QGraphicsView() self.tabView.setContentsMargins(0, 0, 0, 0) # # POI trace Tab # self.POITraceTab = QWidget() self.POITraceTab.setContentsMargins(0, 0, 0, 0) singleLayout = QVBoxLayout() singleLayout.setSpacing(0) singleLayout.setContentsMargins(0, 0, 0, 0) self.traceView = QGraphicsView() self.traceScene = QGraphicsScene() self.traceView.setScene(self.traceScene) singleLayout.addWidget(self.traceView) self.POITraceTab.setLayout(singleLayout) # # multiPOI Tab # self.multiPOITab = QMultiPOITab(self) # self.multiPOITab = QWidget() multiLayout = QVBoxLayout() multiLayout.setSpacing(0) multiLayout.setContentsMargins(0, 0, 0, 0) self.multiPOIList = QTableWidget(0, 4) # row, col self.multiPOIList.setHorizontalHeaderItem(0, QTableWidgetItem("ID")) self.multiPOIList.setHorizontalHeaderItem(1, QTableWidgetItem("Crash Point")) self.multiPOIList.setHorizontalHeaderItem(2, QTableWidgetItem("Tag")) self.multiPOIList.setHorizontalHeaderItem(3, QTableWidgetItem("Diagnose")) self.multiPOIList.horizontalHeader().setStretchLastSection(True) self.multiPOIList.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) self.multiPOIList.setSelectionBehavior(QAbstractItemView.SelectRows) multiLayout.addWidget(self.multiPOIList) self.multiPOITab.setLayout(multiLayout) self.tabView.addTab(self.multiPOITab, "POI List") self.tabView.addTab(self.POITraceTab, "POI Trace") self.POI_TRACE = 1 self.MULTI_POI = 0 layout = QVBoxLayout() layout.addWidget(self.tabView) layout.setContentsMargins(0, 0, 0, 0) self.setLayout(layout) self.show() def _reset(self): self.traceScene.clear() #clear items self.mark = None self.legend = None self.legend_height = 0 self.trace_func = QGraphicsItemGroup() self.trace_id = QGraphicsItemGroup() self.traceScene.addItem(self.trace_func) self.hide() # # Event # def _on_cell_double_click(self, row, _): _l.debug("row %d is double clicked", row) first_cell = self.multiPOIList.item(row, 0) if first_cell is None: return poi_id = first_cell.text() poi = self.multi_poi.am_obj.get_poi_by_id(poi_id) if poi is None: return # sanity checks if not isinstance(poi, dict): return if 'output' not in poi or not isinstance(poi['output'], dict): return if 'bbl_history' not in poi['output']: return trace = poi['output']['bbl_history'] if self._selected_poi != poi_id and trace is not None: # render the trace self.poi_trace.am_obj = TraceStatistics(self.workspace, trace, trace_id=poi_id) # show the trace statistic in POI trace self.poi_trace.am_event() # show covered basic blocks and functions self.multi_poi.am_obj.reload_heatmap(poi_id) # redraw function view view = self.workspace.view_manager.first_view_in_category('functions') if view is not None: view.refresh() # redraw disassembly view view = self.workspace.view_manager.first_view_in_category('disassembly') if view is not None: view.redraw_current_graph() if trace is not None: # switch to POI trace tab self.tabView.setCurrentIndex(self.POI_TRACE) self._selected_poi = poi_id second_cell = self.multiPOIList.item(row, 1) crash_addr = None if second_cell is not None: try: crash_addr = int(second_cell.text(), 16) except ValueError: pass if crash_addr is not None: # show the crashing address view = self.workspace.view_manager.first_view_in_category('disassembly') if view is not None: crash_func = self._get_func_from_addr(crash_addr) if crash_func is not None: self.workspace.on_function_selected(crash_func) self.selected_ins.clear() self.selected_ins.update([crash_addr]) self.selected_ins.am_event() view.current_graph.show_instruction(crash_addr) def _on_diagnose_change(self, item: QTableWidgetItem): column = item.column() row = item.row() poi_id = self.multiPOIList.item(row, self.POIID_COLUMN).text() content = item.text() original_content = self.multi_poi.am_obj.get_content_by_id_column(poi_id, column) _l.debug('updaing %s, content: %s, original: %s', poi_id, content, original_content) if not self._is_identical(content, original_content): updated_poi = self.multi_poi.update_poi(poi_id, column, content) self._diagnose_handler.submit_updated_poi(poi_id, updated_poi) def _subscribe_add_poi(self): _l.debug('add a poi to multi poi list') if self.multi_poi.am_none: self.multi_poi.am_obj = MultiPOI(self.workspace) poi_ids = self.multi_poi.am_obj.get_all_poi_ids() self.multiPOIList.clearContents() self._populate_poi_table(self.multiPOIList, poi_ids) self.show() def _subscribe_set_trace(self): _l.debug('on set trace in poi trace viewer') self._reset() if self.poi_trace.am_none: return _l.debug('minheight: %d, count: %d', self.TRACE_FUNC_MINHEIGHT, self.poi_trace.count) if self.poi_trace.count <= 0: _l.warning("No valid addresses found in trace to show. Check base address offsets?") self.poi_trace.am_obj = None self.poi_trace.am_event() return if self.TRACE_FUNC_MINHEIGHT < self.poi_trace.count * 15: self.trace_func_unit_height = 15 show_func_tag = True else: self.trace_func_unit_height = self.TRACE_FUNC_MINHEIGHT / self.poi_trace.count show_func_tag = True self.legend_height = int(self.poi_trace.count * self.trace_func_unit_height) self._show_trace_func(show_func_tag) self._show_legend() self._set_mark_color() self._refresh_multi_list() # boundingSize = self.traceScene.itemsBoundingRect().width() # windowSize = boundingSize # if boundingSize > self.MAX_WINDOW_SIZE: # windowSize = self.MAX_WINDOW_SIZE # self.traceScene.setSceneRect(self.traceScene.itemsBoundingRect()) #resize # if windowSize > self.width(): # self.setMinimumWidth(windowSize) self.show() def _subscribe_select_ins(self, **kwargs): # pylint: disable=unused-argument if self.poi_trace.am_none: return if self.mark is not None: for i in self.mark.childItems(): self.mark.removeFromGroup(i) self.traceScene.removeItem(i) self.traceScene.removeItem(self.mark) self.mark = QGraphicsItemGroup() self.traceScene.addItem(self.mark) if self.selected_ins: addr = next(iter(self.selected_ins)) positions = self.poi_trace.get_positions(addr) if positions: #if addr is in list of positions # handle case where insn was selected from disas view if not self._use_precise_position: self.curr_position = positions[0] - self.poi_trace.count for p in positions: color = self._get_mark_color(p, self.poi_trace.count) y = self._get_mark_y(p) if p == self.poi_trace.count + self.curr_position: #add thicker line for 'current' mark self.mark.addToGroup(self.traceScene.addRect(self.MARK_X, y, self.MARK_WIDTH, self.MARK_HEIGHT*4, QPen(QColor('black')), QBrush(color))) else: self.mark.addToGroup(self.traceScene.addRect(self.MARK_X, y, self.MARK_WIDTH, self.MARK_HEIGHT, QPen(color), QBrush(color))) self.traceScene.update() #force redraw of the traceScene self.scroll_to_position(self.curr_position) def _get_func_from_addr(self, addr): if self.workspace.instance.cfg.am_none: return None bbl = self.workspace.instance.cfg.get_any_node(addr, anyaddr=True) function_addr = bbl.function_address return self.workspace.instance.project.kb.functions.get(function_addr) def _populate_poi_table(self, view, poi_ids): view.clearContents() view.setRowCount(len(poi_ids)) row = 0 #start after label row for poi_id in poi_ids: poi = self.multi_poi.am_obj.get_poi_by_id(poi_id) _l.debug('populating poi: %s', poi) category = poi['category'] output = poi['output'] crash_addr = output['bbl'] if crash_addr is not None: crash = hex(crash_addr) else: crash = None diagnose = output.get('diagnose') _l.debug('poi_ids: %s', poi_ids) _l.debug('current poi id: %s', poi_id) self._set_item(view, row, self.POIID_COLUMN, poi_id, editable=False) self._set_item(view, row, self.CRASH_COLUMN, crash, editable=True) self._set_item(view, row, self.CATEGORY_COLUMN, category, editable=True) self._set_item(view, row, self.DIAGNOSE_COLUMN, diagnose, editable=True) row += 1 _l.debug('poi_ids: %s', poi_ids) @staticmethod def _set_item(view, row, column, text, editable=True): if not text: text = "" item = QTableWidgetItem(text) if not editable: item.setFlags(item.flags() ^ Qt.ItemIsEditable) view.setItem(row, column, item) def _refresh_multi_list(self): multiPOI = self.multi_poi.am_obj trace_ids = multiPOI.get_all_poi_ids() self.multiPOIList.clearContents() self._populate_poi_table(self.multiPOIList, trace_ids) if self._selected_traces and self.multiPOIList.rowCount() > 0: self.multiPOIList.item(0, 0).setSelected(True) self.multiPOIList.item(0, 1).setSelected(True) else: for row in range(self.multiPOIList.rowCount()): item = self.multiPOIList.item(row, 0) inputItem = self.multiPOIList.item(row, 1) if item.text() in self._selected_traces: item.setSelected(True) inputItem.setSelected(True) self.multi_poi.am_event() def _on_tab_change(self): multiPOI = self.multi_poi.am_obj if self.tabView.currentIndex() == self.MULTI_POI: multiPOI.is_active_tab = True self._refresh_multi_list() elif self.tabView.currentIndex() == self.POI_TRACE: multiPOI = self.multi_poi.am_obj multiPOI.is_active_tab = False # self._show_trace_ids() def scroll_to_position(self, position): relative_pos = self.poi_trace.count + position y_offset = self._get_mark_y(relative_pos) scrollValue = 0 if y_offset > 0.5 * self.traceView.size().height(): scrollValue = y_offset - 0.5 * self.traceView.size().height() scrollValue = min(scrollValue, self.traceView.verticalScrollBar().maximum()) self.traceView.verticalScrollBar().setValue(scrollValue) self._use_precise_position = False def jump_next_insn(self): # for some reason indexing is done backwards if self.curr_position + self.poi_trace.count < self.poi_trace.count - 1: self.curr_position += 1 self._use_precise_position = True bbl_addr = self.poi_trace.get_bbl_from_position(self.curr_position) func = self.poi_trace.get_func_from_position(self.curr_position) self._jump_bbl(func, bbl_addr) def jump_prev_insn(self): if self.curr_position + self.poi_trace.count > 0: self.curr_position -= 1 self._use_precise_position = True bbl_addr = self.poi_trace.get_bbl_from_position(self.curr_position) func = self.poi_trace.get_func_from_position(self.curr_position) self._jump_bbl(func, bbl_addr) def mousePressEvent(self, event): button = event.button() pos = self._to_logical_pos(event.pos()) if button == Qt.LeftButton and self.tabView.currentIndex() == self.POI_TRACE and self._at_legend(pos): func = self._get_func_from_y(pos.y()) bbl_addr = self._get_bbl_from_y(pos.y()) self._use_precise_position = True self.curr_position = self._get_position(pos.y()) self._jump_bbl(func, bbl_addr) def _jump_bbl(self, func, bbl_addr): disasm_view = self.disasm_view if disasm_view is not None: all_insn_addrs = self.workspace.instance.project.factory.block(bbl_addr).instruction_addrs # TODO: replace this with am_events perhaps? self.workspace.on_function_selected(func) self.selected_ins.clear() self.selected_ins.update(all_insn_addrs) self.selected_ins.am_event() # TODO: this ought to happen automatically as a result of the am_event disasm_view.current_graph.show_instruction(bbl_addr) def _get_mark_color(self, i, total): relative_gradient_pos = i * 1000 // total return self.legend_img.pixelColor(self.LEGEND_WIDTH // 2, relative_gradient_pos) def _get_mark_y(self, i): return self.TRACE_FUNC_Y + self.trace_func_unit_height * i def _show_trace_func(self, show_func_tag=True): x = self.TRACE_FUNC_X y = self.TRACE_FUNC_Y prev_name = None for position in self.poi_trace.trace_func: func_name = position.func_name color = self.poi_trace.get_func_color(func_name) self.trace_func.addToGroup(self.traceScene.addRect(x, y, self.TRACE_FUNC_WIDTH, self.trace_func_unit_height, QPen(color), QBrush(color))) if show_func_tag is True and func_name != prev_name: tag = self.traceScene.addText(func_name, QFont("Source Code Pro", 7)) tag.setPos(x + self.TRACE_FUNC_WIDTH + self.TAG_SPACING, y - tag.boundingRect().height() // 2) self.trace_func.addToGroup(tag) anchor = self.traceScene.addLine( self.TRACE_FUNC_X + self.TRACE_FUNC_WIDTH, y, x + self.TRACE_FUNC_WIDTH + self.TAG_SPACING, y) self.trace_func.addToGroup(anchor) prev_name = func_name y += self.trace_func_unit_height @staticmethod def _make_legend_gradient(x1, y1, x2, y2): gradient = QLinearGradient(x1, y1, x2, y2) gradient.setColorAt(0.0, Qt.red) gradient.setColorAt(0.4, Qt.yellow) gradient.setColorAt(0.6, Qt.green) gradient.setColorAt(0.8, Qt.blue) gradient.setColorAt(1.0, Qt.darkBlue) return gradient def _show_legend(self): pen = QPen(Qt.transparent) gradient = self._make_legend_gradient(self.LEGEND_X, self.LEGEND_Y, self.LEGEND_X, self.LEGEND_Y + self.legend_height) brush = QBrush(gradient) self.legend = self.traceScene.addRect(self.LEGEND_X, self.LEGEND_Y, self.LEGEND_WIDTH, self.legend_height, pen, brush) reference_gradient = self._make_legend_gradient(0, 0, self.LEGEND_WIDTH, 1000) base_img = QImage(self.LEGEND_WIDTH, 1000, QImage.Format.Format_ARGB32) p = QPainter(base_img) p.fillRect(base_img.rect(),reference_gradient) self.legend_img = base_img #reference shade def _set_mark_color(self): _l.debug('trace count: %d', self.poi_trace.count) for p in range(self.poi_trace.count): color = self._get_mark_color(p, self.poi_trace.count) self.poi_trace.set_mark_color(p, color) def _at_legend(self, pos): x = pos.x() y = pos.y() return self.TRACE_FUNC_X + self.LEGEND_X < x < self.traceView.width() and \ self.TRACE_FUNC_Y < y < self.TRACE_FUNC_Y + self.legend_height def _to_logical_pos(self, pos): x_offset = self.traceView.horizontalScrollBar().value() y_offset = self.traceView.verticalScrollBar().value() return QPoint(pos.x() + x_offset, pos.y() + y_offset) def _get_position(self, y): y_relative = y - self.legend_height - self.TAB_HEADER_SIZE return int(y_relative // self.trace_func_unit_height) def _get_bbl_from_y(self, y): position = self._get_position(y) return self.poi_trace.get_bbl_from_position(position) def _get_func_from_y(self, y): position = self._get_position(y) func = self.poi_trace.get_func_from_position(position) return func # # Context Menu # def menu_add_empty_poi(self): _l.debug('adding a new empty poi item') if self._diagnose_handler.get_image_id() is None: QMessageBox.warning(self.workspace.main_window, "No CHESS target available", "No angr project is loaded, or you did not associate the current project with a CHESS " "target. Please load a binary and associate it with a CHESS target before creating " "POIs.") return poi_id = str(uuid4()) if self.multi_poi.am_none: self.multi_poi.am_obj = MultiPOI(self.workspace) empty_poi = deepcopy(EMPTY_POI) self.multi_poi.add_poi(poi_id, empty_poi) self.multi_poi.am_event() self._diagnose_handler.submit_updated_poi(poi_id, empty_poi) def menu_remove_poi(self): items = self.multiPOIList.selectedItems() row = items.pop().row() poi_id = self.multiPOIList.item(row, 0).text() _l.debug('removing ID %s', poi_id) self.multi_poi.remove_poi(poi_id) self.multi_poi.am_event() @staticmethod def _is_identical(content, original_content): if content == original_content: return True if content == '' and original_content is None: return True try: if int(content, 16) == int(original_content): return True except (TypeError, ValueError): return False return False
class QTraceViewer(QWidget): TAG_SPACING = 50 LEGEND_X = -50 LEGEND_Y = 0 LEGEND_WIDTH = 10 TRACE_FUNC_X = 0 TRACE_FUNC_Y = 0 TRACE_FUNC_WIDTH = 50 TRACE_FUNC_MINHEIGHT = 1000 MARK_X = LEGEND_X MARK_WIDTH = TRACE_FUNC_X - LEGEND_X + TRACE_FUNC_WIDTH MARK_HEIGHT = 1 def __init__(self, workspace, disasm_view, parent=None): super().__init__(parent=parent) self.workspace = workspace self.disasm_view = disasm_view self.view = None self.scene = None self.mark = None self.curr_position = 0 self._use_precise_position = False self._init_widgets() self.trace.am_subscribe(self._on_set_trace) self.selected_ins.am_subscribe(self._on_select_ins) self.view.installEventFilter(self) # # Forwarding properties # @property def trace(self): return self.workspace.instance.trace @property def selected_ins(self): return self.disasm_view.infodock.selected_insns def _init_widgets(self): self.view = QGraphicsView() self.scene = QGraphicsScene() self.view.setScene(self.scene) self._reset() layout = QHBoxLayout() layout.addWidget(self.view) layout.setContentsMargins(0, 0, 0, 0) layout.setAlignment(self.view, Qt.AlignLeft) self.setLayout(layout) def _reset(self): self.scene.clear() #clear items self.mark = None self.legend = None self.legend_height = 0 self.trace_func = QGraphicsItemGroup() self.scene.addItem(self.trace_func) self.hide() def _on_set_trace(self, **kwargs): self._reset() if self.trace.am_obj is not None: l.debug('minheight: %d, count: %d', self.TRACE_FUNC_MINHEIGHT, self.trace.count) if self.trace.count <= 0: l.warning( "No valid addresses found in trace to show. Check base address offsets?" ) self.trace.am_obj = None self.trace.am_event() return if self.TRACE_FUNC_MINHEIGHT < self.trace.count * 15: self.trace_func_unit_height = 15 show_func_tag = True else: self.trace_func_unit_height = self.TRACE_FUNC_MINHEIGHT / self.trace.count show_func_tag = True self.legend_height = int(self.trace.count * self.trace_func_unit_height) self._show_trace_func(show_func_tag) self._show_legend() self._set_mark_color() self.scene.setSceneRect(self.scene.itemsBoundingRect()) #resize self.setFixedWidth(self.scene.itemsBoundingRect().width()) self.view.setFixedWidth(self.scene.itemsBoundingRect().width()) self.show() def _on_select_ins(self, **kwargs): if self.trace == None: return if self.mark is not None: for i in self.mark.childItems(): self.mark.removeFromGroup(i) self.scene.removeItem(i) self.scene.removeItem(self.mark) self.mark = QGraphicsItemGroup() self.scene.addItem(self.mark) if self.selected_ins: addr = next(iter(self.selected_ins)) positions = self.trace.get_positions(addr) if positions: #if addr is in list of positions if not self._use_precise_position: #handle case where insn was selected from disas view self.curr_position = positions[0] - self.trace.count for p in positions: color = self._get_mark_color(p, self.trace.count) y = self._get_mark_y(p, self.trace.count) if p == self.trace.count + self.curr_position: #add thicker line for 'current' mark self.mark.addToGroup( self.scene.addRect(self.MARK_X, y, self.MARK_WIDTH, self.MARK_HEIGHT * 4, QPen(QColor('black')), QBrush(color))) else: self.mark.addToGroup( self.scene.addRect(self.MARK_X, y, self.MARK_WIDTH, self.MARK_HEIGHT, QPen(color), QBrush(color))) #y = self._get_mark_y(positions[0], self.trace.count) #self.view.verticalScrollBar().setValue(y - 0.5 * self.view.size().height()) self.scene.update() #force redraw of the scene self.scroll_to_position(self.curr_position) def scroll_to_position(self, position): relative_pos = self.trace.count + position y_offset = self._get_mark_y(relative_pos, self.trace.count) scrollValue = 0 if y_offset > 0.5 * self.view.size().height(): scrollValue = y_offset - 0.5 * self.view.size().height() scrollValue = min(scrollValue, self.view.verticalScrollBar().maximum()) self.view.verticalScrollBar().setValue(scrollValue) self._use_precise_position = False def jump_next_insn(self): if self.curr_position + self.trace.count < self.trace.count - 1: #for some reason indexing is done backwards self.curr_position += 1 self._use_precise_position = True func_name = self.trace.trace_func[self.curr_position].func_name func = self._get_func_from_func_name(func_name) bbl_addr = self.trace.trace_func[self.curr_position].bbl_addr self._jump_bbl(func, bbl_addr) def jump_prev_insn(self): if self.curr_position + self.trace.count > 0: self.curr_position -= 1 self._use_precise_position = True func_name = self.trace.trace_func[self.curr_position].func_name func = self._get_func_from_func_name(func_name) bbl_addr = self.trace.trace_func[self.curr_position].bbl_addr self._jump_bbl(func, bbl_addr) def eventFilter(self, object, event): #specifically to catch arrow keys # more elegant solution to link w/ self.view's scroll bar keypressevent? if event.type() == QEvent.Type.KeyPress: if not (event.modifiers() & Qt.ShiftModifier): #shift + arrowkeys return False key = event.key() if key == Qt.Key_Up or key == Qt.Key_Left: self.jump_prev_insn() elif key == Qt.Key_Down or key == Qt.Key_Right: self.jump_next_insn() return True return False # pass through all other events def mousePressEvent(self, event): button = event.button() pos = self._to_logical_pos(event.pos()) if button == Qt.LeftButton and self._at_legend(pos): func = self._get_func_from_y(pos.y()) bbl_addr = self._get_bbl_from_y(pos.y()) self._use_precise_position = True self.curr_position = self._get_position(pos.y()) self._jump_bbl(func, bbl_addr) def _jump_bbl(self, func, bbl_addr): all_insn_addrs = self.workspace.instance.project.factory.block( bbl_addr).instruction_addrs # TODO: replace this with am_events perhaps? self.workspace.on_function_selected(func) self.selected_ins.clear() self.selected_ins.update(all_insn_addrs) self.selected_ins.am_event() # TODO: this ought to happen automatically as a result of the am_event self.disasm_view.current_graph.show_instruction(bbl_addr) def _get_mark_color(self, i, total): relative_gradient_pos = i * 1000 // total return self.legend_img.pixelColor(self.LEGEND_WIDTH // 2, relative_gradient_pos) def _get_mark_y(self, i, total): return self.TRACE_FUNC_Y + self.trace_func_unit_height * i def _show_trace_func(self, show_func_tag): x = self.TRACE_FUNC_X y = self.TRACE_FUNC_Y prev_name = None for position in self.trace.trace_func: bbl_addr = position.bbl_addr func_name = position.func_name l.debug('Draw function %x, %s', bbl_addr, func_name) color = self.trace.get_func_color(func_name) self.trace_func.addToGroup( self.scene.addRect(x, y, self.TRACE_FUNC_WIDTH, self.trace_func_unit_height, QPen(color), QBrush(color))) if show_func_tag is True and func_name != prev_name: tag = self.scene.addText(func_name, QFont("Source Code Pro", 7)) tag.setPos(x + self.TRACE_FUNC_WIDTH + self.TAG_SPACING, y - tag.boundingRect().height() // 2) self.trace_func.addToGroup(tag) anchor = self.scene.addLine( self.TRACE_FUNC_X + self.TRACE_FUNC_WIDTH, y, x + self.TRACE_FUNC_WIDTH + self.TAG_SPACING, y) self.trace_func.addToGroup(anchor) prev_name = func_name y += self.trace_func_unit_height def _make_legend_gradient(self, x1, y1, x2, y2): gradient = QLinearGradient(x1, y1, x2, y2) gradient.setColorAt(0.0, Qt.red) gradient.setColorAt(0.4, Qt.yellow) gradient.setColorAt(0.6, Qt.green) gradient.setColorAt(0.8, Qt.blue) gradient.setColorAt(1.0, Qt.darkBlue) return gradient def _show_legend(self): pen = QPen(Qt.transparent) gradient = self._make_legend_gradient( self.LEGEND_X, self.LEGEND_Y, self.LEGEND_X, self.LEGEND_Y + self.legend_height) brush = QBrush(gradient) self.legend = self.scene.addRect(self.LEGEND_X, self.LEGEND_Y, self.LEGEND_WIDTH, self.legend_height, pen, brush) reference_gradient = self._make_legend_gradient( 0, 0, self.LEGEND_WIDTH, 1000) base_img = QImage(self.LEGEND_WIDTH, 1000, QImage.Format.Format_ARGB32) p = QPainter(base_img) p.fillRect(base_img.rect(), reference_gradient) self.legend_img = base_img #reference shade def _set_mark_color(self): for p in range(self.trace.count): color = self._get_mark_color(p, self.trace.count) self.trace.set_mark_color(p, color) def _at_legend(self, pos): x = pos.x() y = pos.y() if self.TRACE_FUNC_X + self.LEGEND_X < x < self.view.width() and \ self.TRACE_FUNC_Y < y < self.TRACE_FUNC_Y + self.legend_height: return True else: return False def _to_logical_pos(self, pos): x_offset = self.view.horizontalScrollBar().value() y_offset = self.view.verticalScrollBar().value() return QPoint(pos.x() + x_offset, pos.y() + y_offset) def _get_position(self, y): y_relative = y - self.legend_height return int(y_relative // self.trace_func_unit_height) def _get_bbl_from_y(self, y): position = self._get_position(y) return self.trace.get_bbl_from_position(position) def _get_func_from_func_name(self, func_name): return self.workspace.instance.kb.functions.function(name=func_name) def _get_func_from_y(self, y): position = self._get_position(y) func_name = self.trace.get_func_name_from_position(position) return self._get_func_from_func_name(func_name)
class QTraceViewer(QWidget): """ Load a basic block trace through json and visualize it in the disassembly Ref: https://github.com/angr/angr-management/pull/122 """ TAG_SPACING = 50 LEGEND_X = -50 LEGEND_Y = 0 LEGEND_WIDTH = 10 TRACE_FUNC_X = 0 TRACE_FUNC_Y = 0 TRACE_FUNC_WIDTH = 50 TRACE_FUNC_MINHEIGHT = 1000 TAB_HEADER_SIZE = 40 MAX_WINDOW_SIZE = 500 MARK_X = LEGEND_X MARK_WIDTH = TRACE_FUNC_X - LEGEND_X + TRACE_FUNC_WIDTH MARK_HEIGHT = 1 def __init__(self, workspace, disasm_view, parent=None): super().__init__(parent=parent) self.workspace = workspace self.disasm_view = disasm_view self.mark = None self.legend = None self.legend_height = 0 self.legend_img = None self.trace_func_unit_height = 0 self.trace_func = None self.trace_id = None self.view = None self.traceView = None self.traceTab = None self.traceScene = None self.multiView = None self.listView = None self.mark = None self.curr_position = 0 self._use_precise_position = False self._selected_traces = [] self._init_widgets() self.trace.am_subscribe(self._on_set_trace) self.selected_ins.am_subscribe(self._on_select_ins) self.traceTab.installEventFilter(self) # # Forwarding properties # @property def trace(self): return self.workspace.instance.trace @property def multi_trace(self): return self.workspace.instance.multi_trace @property def selected_ins(self): return self.disasm_view.infodock.selected_insns def _init_widgets(self): self.view = QTabWidget() # QGraphicsView() self.traceTab = QWidget() tracelayout = QVBoxLayout() self.traceView = QGraphicsView() self.traceScene = QGraphicsScene() self.traceView.setScene(self.traceScene) self.listView = QTableWidget(0, 2) # row, col self.listView.setHorizontalHeaderItem(0, QTableWidgetItem("Trace ID")) self.listView.setHorizontalHeaderItem(1, QTableWidgetItem("Input ID")) self.listView.setSelectionMode(QAbstractItemView.SingleSelection) self.listView.setSelectionBehavior(QAbstractItemView.SelectRows) # self.listView.horizontalHeader().setStretchLastSection(True) # self.listView.horizontalHeader().setSectionResizeModel(0, QHeaderView.Stretch) self.listView.cellClicked.connect(self._switch_current_trace) self.traceSeedButton = QPushButton("View Input Seed") self.traceSeedButton.clicked.connect(self._view_input_seed) tracelayout.addWidget(self.traceView) tracelayout.addWidget(self.listView) tracelayout.addWidget(self.traceSeedButton) self.traceTab.setLayout(tracelayout) self.multiView = QWidget() multiLayout = QVBoxLayout() self.multiTraceList = QTableWidget(0, 2) # row, col self.multiTraceList.setSelectionMode(QAbstractItemView.MultiSelection) self.multiTraceList.setSelectionBehavior(QAbstractItemView.SelectRows) self.multiTraceList.setHorizontalScrollMode( self.multiTraceList.ScrollPerPixel) self.multiTraceList.setHorizontalHeaderItem( 0, QTableWidgetItem("Trace ID")) self.multiTraceList.setHorizontalHeaderItem( 1, QTableWidgetItem("Input ID")) self.selectMultiTrace = QPushButton("Refresh Heatmap") self.selectMultiTrace.clicked.connect(self._refresh_heatmap) multiLayout.addWidget(self.multiTraceList) multiLayout.addWidget(self.selectMultiTrace) self.multiView.setLayout(multiLayout) self.view.addTab(self.traceTab, "SingleTrace") self.view.addTab(self.multiView, "MultiTrace HeatMap") self.SINGLE_TRACE = 0 self.MULTI_TRACE = 1 self.view.currentChanged.connect(self._on_tab_change) self._reset() layout = QVBoxLayout() layout.addWidget(self.view) layout.setContentsMargins(0, 0, 0, 0) layout.setAlignment(self.view, Qt.AlignLeft) self.setLayout(layout) def _reset(self): self.traceScene.clear() #clear items self.listView.clearContents() self.multiTraceList.clearContents() self.mark = None self.legend = None self.legend_height = 0 self.trace_func = QGraphicsItemGroup() self.trace_id = QGraphicsItemGroup() self.traceScene.addItem(self.trace_func) self.hide() def _view_input_seed(self): current_trace_stats = self.trace.am_obj input_id = current_trace_stats.input_id inputSeed = self.multi_trace.am_obj.get_input_seed_for_id(input_id) msgText = "%s" % inputSeed msgDetails = "Input for [%s]" % current_trace_stats.id msgbox = QMessageBox() msgbox.setWindowTitle("Seed Input") msgbox.setDetailedText(msgDetails) msgbox.setText(msgText) msgbox.setStandardButtons(QMessageBox.Ok) msgbox.exec() def _switch_current_trace(self, row): if self.listView.rowCount() <= 0: return current_trace = self.trace.am_obj.id new_trace = self.multiTraceList.item(row, 0).text() if current_trace == new_trace: return trace_stats = self.multi_trace.am_obj.get_trace_with_id(new_trace) if trace_stats: self.trace.am_obj = trace_stats self._on_set_trace() def _on_set_trace(self): self._reset() if self.trace.am_none or self.trace.count is None: return l.debug('minheight: %d, count: %d', self.TRACE_FUNC_MINHEIGHT, self.trace.count) if self.trace.count <= 0: l.warning( "No valid addresses found in trace to show. Check base address offsets?" ) self.trace.am_obj = None self.trace.am_event() return if self.TRACE_FUNC_MINHEIGHT < self.trace.count * 15: self.trace_func_unit_height = 15 show_func_tag = True else: self.trace_func_unit_height = self.TRACE_FUNC_MINHEIGHT / self.trace.count show_func_tag = True self.legend_height = int(self.trace.count * self.trace_func_unit_height) self._show_trace_func(show_func_tag) self._show_legend() self._show_trace_ids() self._set_mark_color() self._refresh_multi_list() boundingSize = self.traceScene.itemsBoundingRect().width() windowSize = boundingSize if boundingSize > self.MAX_WINDOW_SIZE: windowSize = self.MAX_WINDOW_SIZE self.traceScene.setSceneRect( self.traceScene.itemsBoundingRect()) #resize self.setFixedWidth(windowSize) # self.listScene.setSceneRect(self.listScene.itemsBoundingRect()) #resize self.multiView.setFixedWidth(windowSize) cellWidth = windowSize // 2 self.listView.setColumnWidth(0, cellWidth) self.listView.setColumnWidth(1, cellWidth) self.listView.setFixedHeight(self.multiView.height() // 4) self.multiTraceList.setColumnWidth(0, cellWidth) self.multiTraceList.setColumnWidth(1, cellWidth) self.view.setFixedWidth(windowSize) self.show() def _populate_trace_table(self, view, trace_ids): numIDs = len(trace_ids) view.clearContents() view.setRowCount(numIDs) row = 0 #start after label row for traceID in trace_ids: inputID = self.multi_trace.am_obj.get_input_id_for_trace_id( traceID) if inputID is None: self.workspace.log("No inputID found for trace %s" % traceID) view.setItem(row, 0, QTableWidgetItem(traceID)) view.setItem(row, 1, QTableWidgetItem(inputID)) row += 1 def _refresh_heatmap(self): multiTrace = self.multi_trace.am_obj multiTrace.clear_heatmap() multiTrace.is_active_tab = True selected_items = self.multiTraceList.selectedItems() self._selected_traces.clear() for row in range(self.multiTraceList.rowCount()): item = self.multiTraceList.item(row, 0) if item in selected_items: self._selected_traces.append(item.text()) multiTrace.reload_heatmap(self._selected_traces) self.multi_trace.am_event() def _refresh_multi_list(self): multiTrace = self.multi_trace.am_obj trace_ids = multiTrace.get_all_trace_ids() self.multiTraceList.clearContents() self._populate_trace_table(self.multiTraceList, trace_ids) if self._selected_traces and self.multiTraceList.rowCount() > 0: self.multiTraceList.item(0, 0).setSelected(True) self.multiTraceList.item(0, 1).setSelected(True) else: for row in range(self.multiTraceList.rowCount()): item = self.multiTraceList.item(row, 0) inputItem = self.multiTraceList.item(row, 1) if item.text() in self._selected_traces: item.setSelected(True) inputItem.setSelected(True) self.multi_trace.am_event() def _on_tab_change(self): # self._reset() multiTrace = self.multi_trace.am_obj if self.view.currentIndex() == self.MULTI_TRACE: multiTrace.is_active_tab = True self._refresh_multi_list() elif self.view.currentIndex() == self.SINGLE_TRACE: multiTrace = self.multi_trace.am_obj multiTrace.is_active_tab = False self._show_trace_ids() def _on_select_ins(self, **kwargs): # pylint: disable=unused-argument if self.trace.am_none: return if self.mark is not None: for i in self.mark.childItems(): self.mark.removeFromGroup(i) self.traceScene.removeItem(i) self.traceScene.removeItem(self.mark) self.mark = QGraphicsItemGroup() self.traceScene.addItem(self.mark) if self.selected_ins: addr = next(iter(self.selected_ins)) positions = self.trace.get_positions(addr) if positions: #if addr is in list of positions if not self._use_precise_position: #handle case where insn was selected from disas view self.curr_position = positions[0] - self.trace.count for p in positions: color = self._get_mark_color(p, self.trace.count) y = self._get_mark_y(p) if p == self.trace.count + self.curr_position: #add thicker line for 'current' mark self.mark.addToGroup( self.traceScene.addRect(self.MARK_X, y, self.MARK_WIDTH, self.MARK_HEIGHT * 4, QPen(QColor('black')), QBrush(color))) else: self.mark.addToGroup( self.traceScene.addRect(self.MARK_X, y, self.MARK_WIDTH, self.MARK_HEIGHT, QPen(color), QBrush(color))) self.traceScene.update() #force redraw of the traceScene self.scroll_to_position(self.curr_position) def scroll_to_position(self, position): relative_pos = self.trace.count + position y_offset = self._get_mark_y(relative_pos) scrollValue = 0 if y_offset > 0.5 * self.traceView.size().height(): scrollValue = y_offset - 0.5 * self.traceView.size().height() scrollValue = min(scrollValue, self.traceView.verticalScrollBar().maximum()) self.traceView.verticalScrollBar().setValue(scrollValue) self._use_precise_position = False def jump_next_insn(self): if self.curr_position + self.trace.count < self.trace.count - 1: #for some reason indexing is done backwards self.curr_position += 1 self._use_precise_position = True bbl_addr = self.trace.get_bbl_from_position(self.curr_position) func = self.trace.get_func_from_position(self.curr_position) self._jump_bbl(func, bbl_addr) def jump_prev_insn(self): if self.curr_position + self.trace.count > 0: self.curr_position -= 1 self._use_precise_position = True bbl_addr = self.trace.get_bbl_from_position(self.curr_position) func = self.trace.get_func_from_position(self.curr_position) self._jump_bbl(func, bbl_addr) def eventFilter(self, obj, event): #specifically to catch arrow keys #pylint: disable=unused-argument # more elegant solution to link w/ self.view's scroll bar keypressevent? if event.type() == QEvent.Type.KeyPress: if not event.modifiers() & Qt.ShiftModifier: #shift + arrowkeys return False key = event.key() if key in [Qt.Key_Up, Qt.Key_Left]: self.jump_prev_insn() elif key in [Qt.Key_Down, Qt.Key_Right]: self.jump_next_insn() return True return False # pass through all other events def mousePressEvent(self, event): button = event.button() pos = self._to_logical_pos(event.pos()) if button == Qt.LeftButton and self.view.currentIndex( ) == self.SINGLE_TRACE and self._at_legend(pos): func = self._get_func_from_y(pos.y()) bbl_addr = self._get_bbl_from_y(pos.y()) self._use_precise_position = True self.curr_position = self._get_position(pos.y()) self._jump_bbl(func, bbl_addr) def _jump_bbl(self, func, bbl_addr): all_insn_addrs = self.workspace.instance.project.factory.block( bbl_addr).instruction_addrs # TODO: replace this with am_events perhaps? if func is None: return self.workspace.on_function_selected(func) self.selected_ins.clear() self.selected_ins.update(all_insn_addrs) self.selected_ins.am_event() # TODO: this ought to happen automatically as a result of the am_event self.disasm_view.current_graph.show_instruction(bbl_addr) def _get_mark_color(self, i, total): relative_gradient_pos = i * 1000 // total return self.legend_img.pixelColor(self.LEGEND_WIDTH // 2, relative_gradient_pos) def _get_mark_y(self, i): return self.TRACE_FUNC_Y + self.trace_func_unit_height * i def _show_trace_ids(self): trace_ids = self.multi_trace.get_all_trace_ids() # traceID = self.listScene.addText(id_txt, QFont("Source Code Pro", 7)) # traceID.setPos(5,5) self.listView.clearContents() self._populate_trace_table(self.listView, trace_ids) if len(self.listView.selectedItems()) <= 0 and not self.trace.am_none: for row in range(self.listView.rowCount()): item = self.listView.item(row, 0) inputItem = self.listView.item(row, 1) if self.trace.id in item.text(): item.setSelected(True) inputItem.setSelected(True) break def _show_trace_func(self, show_func_tag): x = self.TRACE_FUNC_X y = self.TRACE_FUNC_Y prev_name = None for position in self.trace.trace_func: bbl_addr = position.bbl_addr func_name = position.func_name l.debug('Draw function %x, %s', bbl_addr, func_name) color = self.trace.get_func_color(func_name) self.trace_func.addToGroup( self.traceScene.addRect(x, y, self.TRACE_FUNC_WIDTH, self.trace_func_unit_height, QPen(color), QBrush(color))) if show_func_tag is True and func_name != prev_name: tag = self.traceScene.addText(func_name, QFont("Source Code Pro", 7)) tag.setPos(x + self.TRACE_FUNC_WIDTH + self.TAG_SPACING, y - tag.boundingRect().height() // 2) self.trace_func.addToGroup(tag) anchor = self.traceScene.addLine( self.TRACE_FUNC_X + self.TRACE_FUNC_WIDTH, y, x + self.TRACE_FUNC_WIDTH + self.TAG_SPACING, y) self.trace_func.addToGroup(anchor) prev_name = func_name y += self.trace_func_unit_height @staticmethod def _make_legend_gradient(x1, y1, x2, y2): gradient = QLinearGradient(x1, y1, x2, y2) gradient.setColorAt(0.0, Qt.red) gradient.setColorAt(0.4, Qt.yellow) gradient.setColorAt(0.6, Qt.green) gradient.setColorAt(0.8, Qt.blue) gradient.setColorAt(1.0, Qt.darkBlue) return gradient def _show_legend(self): pen = QPen(Qt.transparent) gradient = self._make_legend_gradient( self.LEGEND_X, self.LEGEND_Y, self.LEGEND_X, self.LEGEND_Y + self.legend_height) brush = QBrush(gradient) self.legend = self.traceScene.addRect(self.LEGEND_X, self.LEGEND_Y, self.LEGEND_WIDTH, self.legend_height, pen, brush) reference_gradient = self._make_legend_gradient( 0, 0, self.LEGEND_WIDTH, 1000) base_img = QImage(self.LEGEND_WIDTH, 1000, QImage.Format.Format_ARGB32) p = QPainter(base_img) p.fillRect(base_img.rect(), reference_gradient) self.legend_img = base_img #reference shade def _set_mark_color(self): for p in range(self.trace.count): color = self._get_mark_color(p, self.trace.count) self.trace.set_mark_color(p, color) def _at_legend(self, pos): x = pos.x() y = pos.y() return self.TRACE_FUNC_X + self.LEGEND_X < x < self.traceView.width() and \ self.TRACE_FUNC_Y < y < self.TRACE_FUNC_Y + self.legend_height def _to_logical_pos(self, pos): x_offset = self.traceView.horizontalScrollBar().value() y_offset = self.traceView.verticalScrollBar().value() return QPoint(pos.x() + x_offset, pos.y() + y_offset) def _get_position(self, y): y_relative = y - self.legend_height - self.TAB_HEADER_SIZE return int(y_relative // self.trace_func_unit_height) def _get_bbl_from_y(self, y): position = self._get_position(y) return self.trace.get_bbl_from_position(position) def _get_func_from_y(self, y): position = self._get_position(y) func = self.trace.get_func_from_position(position) return func
class MainWindow(QMainWindow, Observer): resized = Signal() def __init__(self): super(MainWindow, self).__init__() self.ui = Ui_MainWindow() self.ui.setupUi(self) self.scene_org = QGraphicsScene() self.scene_reduced = QGraphicsScene() self.scene_template = QGraphicsScene() self.ui.graphicsViewOriginal.setScene(self.scene_org) self.controller = None self.computation_started = False # slots self.resized.connect(self.resize_image) self.ui.tabWidget.currentChanged.connect(self.resize_image) self.ui.toolButtonOpenPhoto.clicked.connect(self.__select_image) self.ui.pushButtonStart.clicked.connect(self.__start_computation) self.ui.pushButtonExport.clicked.connect(self.__export) self.installEventFilter(self) def eventFilter(self, widget, event): if event.type() == QEvent.KeyPress: key = event.key() if key == Qt.Key_Return and not self.computation_started: self.__start_computation() elif key == Qt.Key_Enter and not self.computation_started: self.__start_computation() return True return QWidget.eventFilter(self, widget, event) def set_controller(self, controller): self.controller = controller def __select_image(self): file_dialog = QFileDialog() MainWindow.__set_file_dialog_options( file_dialog, get_config().getboolean('UI', 'NO_NATIVE_DIALOG')) path = file_dialog.getOpenFileName( self, 'Open File', " ../../", 'Images (*.png *.svg *.jpg *.jpeg)', '')[0] if path: self.controller.open_image(path) self.ui.tabWidget.setCurrentIndex(0) self.resize_image() @staticmethod def __set_file_dialog_options(file_dialog, is_not_native_dialog): file_dialog.setOption(QFileDialog.DontUseNativeDialog, is_not_native_dialog) def __start_computation(self): if self.controller: self.__disable_ui(True) self.__set_computation_text() worker = ComputeCanvasWorker( self.ui.spinBoxNumberOfColors.value(), self.ui.comboBoxPrintSize.currentText(), self.ui.spinBoxMinSurfaceSize.value(), self.ui.checkBox.isChecked(), self.controller) # no parent! self.controller.register_observer(worker) self.thread = QThread() worker.moveToThread(self.thread) worker.finished.connect(self.thread.quit) self.thread.started.connect(worker.run) self.thread.start() def __export(self): file_name = self.open_save_file_dialog( ) if self.controller.canvas else "" self.controller.export(self.ui.comboBoxPrintSize.currentText(), file_name=file_name) def display_image(self, img_data): self.__clear_scenes() self.__add_image_to_scene(self.scene_org, img_data[0]) if img_data[1]: self.__add_image_to_scene(self.scene_reduced, img_data[1]) self.__add_image_to_scene(self.scene_template, img_data[2]) self.ui.tabWidget.setCurrentIndex(1) def __set_computation_text(self): self.scene_org = QGraphicsScene() self.scene_org.addText("It'll take a moment.") self.ui.graphicsViewOriginal.setScene(self.scene_org) self.ui.tabWidget.setCurrentIndex(0) self.computation_started = True self.resize_image() def __clear_scenes(self): self.scene_org = QGraphicsScene() self.scene_reduced = QGraphicsScene() self.scene_template = QGraphicsScene() self.ui.graphicsViewOriginal.setScene(self.scene_org) self.ui.graphicsViewReducedColors.setScene(self.scene_reduced) self.ui.graphicsViewTemplate.setScene(self.scene_template) def __disable_ui(self, boolean): self.ui.pushButtonStart.setDisabled(boolean) self.ui.pushButtonExport.setDisabled(boolean) self.ui.toolButtonOpenPhoto.setDisabled(boolean) self.ui.spinBoxNumberOfColors.setDisabled(boolean) self.ui.spinBoxMinSurfaceSize.setDisabled(boolean) self.ui.comboBoxPrintSize.setDisabled(boolean) self.ui.checkBox.setDisabled(boolean) self.ui.tabWidget.setDisabled(boolean) def __add_image_to_scene(self, scene, image): pixmap = self.__pil_to_pixmap(image) scene.addPixmap(pixmap) @staticmethod def __pil_to_pixmap(img): if img.mode == "RGB": pass elif img.mode == "L": img = img.convert("RGBA") data = img.convert("RGBA").tobytes("raw", "BGRA") qim = QImage(data, img.size[0], img.size[1], QImage.Format_ARGB32) pixmap = QPixmap.fromImage(qim) return pixmap def resizeEvent(self, event): self.resized.emit() return super(MainWindow, self).resizeEvent(event) def resize_image(self): if self.controller: if self.computation_started: self.ui.graphicsViewOriginal.fitInView( QRectF(0, 0, self.scene_org.width(), self.scene_org.height()), Qt.KeepAspectRatio) else: self.ui.graphicsViewOriginal.fitInView( QRectF(0, 0, self.controller.get_image_size()[0], self.controller.get_image_size()[1]), Qt.KeepAspectRatio) self.ui.graphicsViewReducedColors.fitInView( QRectF(0, 0, self.controller.get_image_size()[0], self.controller.get_image_size()[1]), Qt.KeepAspectRatio) self.ui.graphicsViewTemplate.fitInView( QRectF(0, 0, self.controller.get_image_size()[0], self.controller.get_image_size()[1]), Qt.KeepAspectRatio) def open_save_file_dialog(self): file_dialog = QFileDialog() file_name = file_dialog.getSaveFileName(self, 'Save as PDF', " ../../", 'PDF (*.pdf)', '')[0] return file_name @staticmethod def show_message(text): msgBox = QMessageBox() msgBox.setText(text) msgBox.exec_() def notify(self, update_data): self.computation_started = False self.__disable_ui(False) if isinstance(update_data, str): self.show_message(update_data) else: self.display_image(update_data)