Resolve "Show PC in GUI"

b_asic/GUI/gui_interface.py

@@ -241,6 +241,8 @@ class Ui_main_window(object):
         self.actionRedo.setObjectName("actionRedo")
         self.actionSimulateSFG = QtWidgets.QAction(main_window)
         self.actionSimulateSFG.setObjectName("actionSimulateSFG")
+        self.actionShowPC = QtWidgets.QAction(main_window)
+        self.actionShowPC.setObjectName("actionShowPC")
         self.aboutBASIC = QtWidgets.QAction(main_window)
         self.aboutBASIC.setObjectName("aboutBASIC")
         self.faqBASIC = QtWidgets.QAction(main_window)
@@ -256,6 +258,7 @@ class Ui_main_window(object):
         self.edit_menu.addAction(self.actionUndo)
         self.edit_menu.addAction(self.actionRedo)
         self.view_menu.addAction(self.actionToolbar)
+        self.run_menu.addAction(self.actionShowPC)
         self.run_menu.addAction(self.actionSimulateSFG)
         self.help_menu.addAction(self.aboutBASIC)
         self.help_menu.addAction(self.faqBASIC)
@@ -288,6 +291,7 @@ class Ui_main_window(object):
         self.edit_menu.setTitle(_translate("main_window", "Edit"))
         self.view_menu.setTitle(_translate("main_window", "View"))
         self.run_menu.setTitle(_translate("main_window", "Run"))
+        self.actionShowPC.setText(_translate("main_window", "Show PC"))
         self.help_menu.setTitle(_translate("main_window", "Help"))
         self.actionSimulateSFG.setText(_translate("main_window", "Simulate SFG"))
         self.aboutBASIC.setText(_translate("main_window", "About B-ASIC"))

b_asic/GUI/main_window.py

@@ -14,6 +14,7 @@ from drag_button import DragButton
 from gui_interface import Ui_main_window
 from arrow import Arrow
 from port_button import PortButton
+from show_pc_window import ShowPCWindow
 
 from b_asic import Operation, SFG, InputPort, OutputPort
 from b_asic.simulation import Simulation
@@ -54,7 +55,6 @@ class MainWindow(QMainWindow):
         self.signalPortDict = dict()
         self.pressed_ports = []
         self.sfg_list = []
-        self.source = None
         self._window = self
         self.logger = logging.getLogger(__name__)
         self.init_ui()
@@ -76,6 +76,7 @@ class MainWindow(QMainWindow):
         self.check_show_names.setChecked(1)
         self.ui.view_menu.addAction(self.check_show_names)
 
+        self.ui.actionShowPC.triggered.connect(self.show_precedence_chart)
         self.ui.actionSimulateSFG.triggered.connect(self.simulate_sfg)
         self.ui.faqBASIC.triggered.connect(self.display_faq_page)
         self.ui.aboutBASIC.triggered.connect(self.display_about_page)
@@ -97,7 +98,7 @@ class MainWindow(QMainWindow):
         self.scene = QGraphicsScene(self)
         self.graphic_view = QGraphicsView(self.scene, self)
         self.graphic_view.setRenderHint(QPainter.Antialiasing)
-        self.graphic_view.setGeometry(self.ui.operation_box.width(), 0, self.width(), self.height())
+        self.graphic_view.setGeometry(self.ui.operation_box.width(), 20, self.width(), self.height())
         self.graphic_view.setDragMode(QGraphicsView.RubberBandDrag)
 
     def create_toolbar_view(self):
@@ -106,7 +107,7 @@ class MainWindow(QMainWindow):
 
     def resizeEvent(self, event):
         self.ui.operation_box.setGeometry(10, 10, self.ui.operation_box.width(), self.height())
-        self.graphic_view.setGeometry(self.ui.operation_box.width() + 20, 0, self.width() - self.ui.operation_box.width() - 20, self.height())
+        self.graphic_view.setGeometry(self.ui.operation_box.width() + 20, 30, self.width() - self.ui.operation_box.width() - 20, self.height()-30)
         super(MainWindow, self).resizeEvent(event)
 
     def wheelEvent(self, event):
@@ -149,6 +150,11 @@ class MainWindow(QMainWindow):
             op.setToolTip(sfg.name)
         self.sfg_list.append(sfg)
 
+    def show_precedence_chart(self):
+        self.dialog = ShowPCWindow(self)
+        self.dialog.add_sfg_to_dialog()
+        self.dialog.show()
+
     def _determine_port_distance(self, length, ports):
         """Determine the distance between each port on the side of an operation.
         The method returns the distance that each port should have from 0.
@@ -242,6 +248,7 @@ class MainWindow(QMainWindow):
             for pressed_op in self.pressed_operations:
                 pressed_op.remove()
                 self.move_button_index -= 1
+            self.pressed_operations.clear()
         super().keyPressEvent(event)
 
     def connectButton(self, button):

b_asic/GUI/show_pc_window.py

+from PySide2.QtWidgets import QDialog, QPushButton, QVBoxLayout, QCheckBox,\
+QFrame, QFormLayout
+from PySide2.QtCore import Qt, Signal
+
+from b_asic import SFG
+
+class ShowPCWindow(QDialog):
+    pc = Signal()
+
+    def __init__(self, window):
+        super(ShowPCWindow, self).__init__()
+        self._window = window
+        self.check_box_list = []
+        self.setWindowFlags(Qt.WindowTitleHint | Qt.WindowCloseButtonHint)
+        self.setWindowTitle("Show PC")
+
+        self.dialog_layout = QVBoxLayout()
+        self.pc_btn = QPushButton("Show PC")
+        self.pc_btn.clicked.connect(self.show_precedence_graph)
+        self.dialog_layout.addWidget(self.pc_btn)
+        self.setLayout(self.dialog_layout)
+
+    def add_sfg_to_dialog(self):
+        sfg_layout = QVBoxLayout()
+        options_layout = QFormLayout()
+
+        for sfg in self._window.sfg_list:
+            check_box = QCheckBox()
+            options_layout.addRow(sfg.name, check_box)
+            self.check_box_list.append(check_box)
+
+        sfg_layout.addLayout(options_layout)
+
+        frame = QFrame()
+        frame.setFrameShape(QFrame.HLine)
+        frame.setFrameShadow(QFrame.Sunken)
+        self.dialog_layout.addWidget(frame)
+
+        self.dialog_layout.addLayout(sfg_layout)
+
+    def show_precedence_graph(self):
+        for i, check_box in enumerate(self.check_box_list):
+            if check_box.isChecked():
+                self._window.logger.info("Creating a precedence chart from " + self._window.sfg_list[i].name)
+                self._window.sfg_list[i].show_precedence_graph()
+                break
+        
+        self.accept()
+        self.pc.emit()
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