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87 lines
3.2 KiB
87 lines
3.2 KiB
3 years ago
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from PyQt5.QtCore import Qt
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from PyQt5.QtGui import QCursor
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from PyQt5.QtWidgets import QListWidget, QListView, QAbstractItemView, QAction, QMenu
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from config import items
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class MyListWidget(QListWidget):
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self.mainwindow = parent
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self.setDragEnabled(True)
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# 选中不显示虚线
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# self.setEditTriggers(QAbstractItemView.NoEditTriggers)
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self.setFocusPolicy(Qt.NoFocus)
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class UsedListWidget(MyListWidget):
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self.setAcceptDrops(True) # 激活组件的拖拽事件
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self.setFlow(QListView.TopToBottom) # 设置列表方向（表示数据项从上至下排列）
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self.setDefaultDropAction(Qt.MoveAction) # 设置拖放为移动而不是复制一个
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self.setDragDropMode(QAbstractItemView.InternalMove) # 设置拖放模式, 内部拖放
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self.itemClicked.connect(self.show_attr)
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self.setMinimumWidth(200)
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self.move_item = None
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def contextMenuEvent(self, e):
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# 右键菜单事件
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item = self.itemAt(self.mapFromGlobal(QCursor.pos()))
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if not item: return # 判断是否是空白区域
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menu = QMenu()
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delete_action = QAction('删除', self)
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delete_action.triggered.connect(lambda: self.delete_item(item)) # 传递额外值
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menu.addAction(delete_action)
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menu.exec(QCursor.pos())
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def delete_item(self, item):
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# 删除操作
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self.takeItem(self.row(item))
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self.mainwindow.update_image() # 更新frame
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self.mainwindow.dock_attr.close()
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def dropEvent(self, event):
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super().dropEvent(event)
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self.mainwindow.update_image()
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def show_attr(self):
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item = self.itemAt(self.mapFromGlobal(QCursor.pos()))
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if not item: return
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param = item.get_params() # 获取当前item的属性
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if type(item) in items:
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index = items.index(type(item)) # 获取item对应的table索引
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self.mainwindow.stackedWidget.setCurrentIndex(index)
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self.mainwindow.stackedWidget.currentWidget().update_params(param) # 更新对应的table
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self.mainwindow.dock_attr.show()
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class FuncListWidget(MyListWidget):
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self.setFixedHeight(64)
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self.setFlow(QListView.LeftToRight) # 设置列表方向
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self.setViewMode(QListView.IconMode) # 设置列表模式
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# self.setViewMode(QListView.ViewMode)
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self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff) # 关掉滑动条
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self.setAcceptDrops(False)
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for itemType in items:
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self.addItem(itemType())
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self.itemClicked.connect(self.add_used_function)
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def add_used_function(self):
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func_item = self.currentItem()
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if type(func_item) in items:
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use_item = type(func_item)()
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self.mainwindow.useListWidget.addItem(use_item)
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self.mainwindow.update_image()
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def enterEvent(self, event):
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self.setCursor(Qt.PointingHandCursor)
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def leaveEvent(self, event):
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self.setCursor(Qt.ArrowCursor)
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self.setCurrentRow(-1) # 取消选中状态
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