workspace dump

b_asic/scheduler-gui/component_item.py

@@ -31,7 +31,8 @@ from b_asic.schedule    import Schedule
 
 
 # class ComponentItem(QGraphicsItemGroup, QGraphicsLayoutItem):
-class ComponentItem(QGraphicsLayoutItem, QGraphicsItem):
+class ComponentItem(QGraphicsItemGroup, QGraphicsLayoutItem):
+# class ComponentItem(QGraphicsLayoutItem, QGraphicsItemGroup):
 # class ComponentItem(QGraphicsLayoutItem, QGraphicsItem):
     
     _scale: float
@@ -40,48 +41,45 @@ class ComponentItem(QGraphicsLayoutItem, QGraphicsItem):
     _item_group: QGraphicsItemGroup
     
     
-    # def __init__(self, scale: float, *args, **kwargs):
-    def __init__(self, scale: float, *args, **kwargs):
-    # def __init__(self, scale: float):
-        super().__init__(*args, **kwargs)
-        # QGraphicsLayoutItem.__init__()
-        # QGraphicsItem.__init__(parent = parent)
-        self._scale = scale
+    def __init__(self, scale: float, parent: QGraphicsWidget = None):
+        QGraphicsItemGroup.__init__(self)
+        QGraphicsLayoutItem.__init__(self, parent = parent)
         self.setGraphicsItem(self)
-        print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')
+
+        self._scale = scale
+        print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! A')
         self._item_group = QGraphicsItemGroup()
-        # self._item_group.setParentItem(self)
-        # print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!')
+        print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! B')
         self._populate()
         
         # print(self.boundingRect().size())
 
-        
     def _populate(self):
         # brush = QBrush(Qt.lightGray, bs=Qt.SolidPattern)
         brush = QBrush(Qt.lightGray)
+        # brush.setStyle(Qt.SolidPattern)
         pen = QPen(Qt.SolidLine)
-        pen.setWidthF(2/self._scale)
+        pen.setWidthF(1/self._scale)
         pen.setBrush(Qt.darkGray)
         # pen.setCapStyle(Qt.RoundCap)      # Qt.FlatCap, Qt.SquareCap (default), Qt.RoundCap
         pen.setJoinStyle(Qt.RoundJoin)      # Qt.MiterJoin, Qt.BevelJoin (default), Qt.RoundJoin, Qt.SvgMiterJoin
         
         # component path
         component_path = QPainterPath(QPoint(0,0))
-        component_path.lineTo(0, 10)
-        component_path.lineTo(40, 10)
-        component_path.lineTo(40, 0)
+        component_path.lineTo(0, 1)
+        component_path.lineTo(4, 1)
+        component_path.lineTo(4, 0)
         component_path.closeSubpath()
 
         # component item
         self._component_item = QGraphicsPathItem(component_path)
         self._component_item.setPen(pen)
         self._component_item.setBrush(brush)
-        self._component_item.setPos(5,0)               # in parent (i.e. item_group) coordinates
+        self._component_item.setPos(0.5,0)               # in parent (i.e. item_group) coordinates
         
         # execution time square
         execution_time_path = QPainterPath(QPoint(0,0))
-        execution_time_path.addRect(0, 0, 10.0, 10.0)
+        execution_time_path.addRect(0, 0, 1.0, 1.0)
 
         # execution time item
         green_color = QColor(Qt.magenta)
@@ -97,9 +95,16 @@ class ComponentItem(QGraphicsLayoutItem, QGraphicsItem):
         # print(graphics_item)
         # self._item_group = graphics_item.childItems()[0]
         # print(self._item_group)
-        # item_group.setScale(self._scale)
-        self._item_group.addToGroup(self._component_item)
-        self._item_group.addToGroup(self._execution_time_item)
+        # # item_group.setScale(self._scale)
+        # print('############################# 1')
+        # self._item_group.addToGroup(self._component_item)
+        # print('############################# 2')
+        # self._item_group.addToGroup(self._execution_time_item)
+        
+        print('############################# 1')
+        self.addToGroup(self._component_item)
+        print('############################# 2')
+        self.addToGroup(self._execution_time_item)
 
         # self.setGraphicsItem(self)
         # QGraphicsItemGroup
@@ -110,8 +115,15 @@ class ComponentItem(QGraphicsLayoutItem, QGraphicsItem):
     
     
     # reimplement QGraphicsLayoutItem virtual functions
-    def setGeometry(rect): 
-        print(f'setGeometry({rect})')
+    def updateGeometry(self):
+        print('updateGeometry()')
+        QGraphicsLayoutItem.updateGeometry(self)
+    
+    def setGeometry(self, geom: QRectF) -> None: 
+        print(f'setGeometry({geom})')
+        self.prepareGeometryChange()
+        QGraphicsLayoutItem.setGeometry(self, geom)
+        self.setPos(geom.topLeft())
     
     def sizeHint(self, which: Qt.SizeHint, constraint: QSizeF = QSizeF()) -> QSizeF:
         print(f'sizeHint(which={which}, constraint={constraint}')
@@ -123,19 +135,29 @@ class ComponentItem(QGraphicsLayoutItem, QGraphicsItem):
         switch = {
             Qt.MinimumSize:     self.boundingRect().size(),
             Qt.PreferredSize:   self.boundingRect().size(),
+            # Qt.MinimumSize:     self.geometry().size(),
+            # Qt.PreferredSize:     self.geometry().size(),
             Qt.MaximumSize:     QSizeF(float("inf"), float("inf"))
+            # Qt.MaximumSize:     self.parentItem().boundingRect().size()
         }
+        ret = switch.get(which, constraint)
+        print(f'ret: {ret}')
         return switch.get(which, constraint)
+    
+    def minimumSize(self):
+        print('minimumSize()')
 
     
-    # reimplement QGraphicsItem virtual functions
-    def boundingRect(self) -> QRectF:
-        print('boundingRect()')
-        return self._item_group.boundingRect()
+    # # reimplement QGraphicsItem virtual functions
+    # def boundingRect(self) -> QRectF:
+    #     print('boundingRect()')
+    #     # return self._item_group.boundingRect()
+    #     return QRectF(QPointF(0,0), self.geometry().size())
     
-    def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: Optional[QWidget]= None) -> None:
-        print(f'paint(painter={painter}, option={option}, widget={widget})')
-        return self._item_group.paint(painter, option, widget)
+    # def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: Optional[QWidget]= None) -> None:
+    #     print(f'paint(painter={painter}, option={option}, widget={widget})')
+    #     painter.drawRoundedRect(-10, -10, 20, 20, 5, 5)
+    #     # self._item_group.paint(painter, option, widget)
 
 # print("MRO:")
 # pprint(ComponentItem.__mro__)
\ No newline at end of file

b_asic/scheduler-gui/main_window.py

@@ -29,11 +29,11 @@ from qtpy.QtCore    import QCoreApplication, Qt, Slot, QSettings, QStandardPaths
 from qtpy.QtGui     import QCloseEvent
 from qtpy.QtWidgets import (
     QApplication, QMainWindow, QMessageBox, QFileDialog, QInputDialog, QCheckBox, QAbstractButton,
-    QTableWidgetItem)
+    QTableWidgetItem, QSizePolicy)
 
 # QGraphics and QPainter imports
 from qtpy.QtCore    import (
-    QRect, QPoint, QSize, QByteArray)
+    QRect, QRectF, QPoint, QSize, QByteArray)
 from qtpy.QtGui     import (
     QPaintEvent, QPainter, QPainterPath, QColor, QBrush, QPen, QFont, QPolygon, QIcon, QPixmap,
     QLinearGradient)
@@ -125,13 +125,13 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self._scene_count = 0
         self._diagram_count = 0
         self._open_file_dialog_opened = False
-        self._scale = 10.0
+        self._scale = 100.0
         
         QIcon.setThemeName('breeze')
         log.debug('themeName: \'{}\''.format(QIcon.themeName()))
         log.debug('themeSearchPaths: {}'.format(QIcon.themeSearchPaths()))
         self._init_ui()
-        self._init_graphics_view()
+        self._init_graphics()
         self._read_settings()
 
         
@@ -170,13 +170,13 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.splitter_center.setCollapsible(0, False)
         self.splitter_center.setCollapsible(1, True)
 
-    def _init_graphics_view(self) -> None:
+    def _init_graphics(self) -> None:
         """Initialize the QGraphics framework"""
         # scene = GraphicsScene(0, parent=self)
         # self.graphic_view.setScene(scene)
         # self.graphic_view.setRenderHint(QPainter.Antialiasing)
         # self.graphic_view.setGeometry(20, 20, self.width(), self.height())
-        # self.graphic_view.setDragMode(QGraphicsView.RubberBandDrag)
+        self.graphics_view.setDragMode(QGraphicsView.RubberBandDrag)
         self.graphics_view.scale(self._scale, self._scale)
         self._scene = QGraphicsScene()
         self.graphics_view.setScene(self._scene)
@@ -270,27 +270,37 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         # self._scene_count += 1
 
 
-        windowLayout = QGraphicsLinearLayout(Qt.Vertical)
-        # vertical = QGraphicsLinearLayout(Qt.Vertical)
-        linear1 = QGraphicsLinearLayout(windowLayout)
-        # linear1 = QGraphicsLinearLayout(Qt.Vertical)
-        # linear2 = QGraphicsLinearLayout(Qt.Horizontal)
+        # windowLayout = QGraphicsLinearLayout(Qt.Vertical)
+        vertical = QGraphicsLinearLayout(Qt.Vertical)
+        # linear1 = QGraphicsLinearLayout(windowLayout)
+        linear1 = QGraphicsLinearLayout(Qt.Horizontal)
+        # linear1.setAlignment(Qt.AlignLeft| Qt.AlignTop)
+        linear2 = QGraphicsLinearLayout(Qt.Horizontal)
+        linear1.setMaximumSize(linear1.minimumSize())
+        linear2.setMaximumSize(linear2.minimumSize())
+        vertical.setMaximumSize(vertical.minimumSize())
+        linear1.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred, QSizePolicy.DefaultType)
+        linear2.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred, QSizePolicy.DefaultType)
+        vertical.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred, QSizePolicy.DefaultType)
         widget = QGraphicsWidget()
-        item1 = ComponentItem(10.0)
-        # item2 = ComponentItem(10.0)
-        # item3 = ComponentItem(10.0)
+        item1 = ComponentItem(self._scale)
+        item2 = ComponentItem(self._scale)
+        item3 = ComponentItem(self._scale)
         linear1.addItem(item1)
         linear1.setStretchFactor(item1, 1)
-        # linear1.addItem(item2)
-        # linear2.addItem(item3)
+        linear1.addItem(item2)
+        linear2.addItem(item3)
         print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 1')
-        # vertical.addItem(linear1)
-        # vertical.addItem(linear2)
+        vertical.addItem(linear1)
+        vertical.addItem(linear2)
         print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 2')
+        print(f'boundingRect: {item1.boundingRect()}')
+        print(f'vertical.getContentsMargins(): {vertical.getContentsMargins()}')
+        print(f'linear1.getContentsMargins(): {linear1.getContentsMargins()}')
+        print(f'linear2.getContentsMargins(): {linear2.getContentsMargins()}')
 
-
-        widget.setLayout(windowLayout)
-        # widget.setLayout(linear1)
+        # widget.setLayout(windowLayout)
+        widget.setLayout(vertical)
         widget.setWindowTitle(self.tr("Basic Graphics Layouts Example"))
         print('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 3')