145 lines
4.8 KiB
Python
145 lines
4.8 KiB
Python
from PySide6.QtWidgets import (QWidget, QHBoxLayout, QPushButton, QLineEdit,
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QApplication)
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from PySide6.QtCore import Qt
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from PySide6.QtGui import QDoubleValidator
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import sys
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# 调整计划方量
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class ValueAdjuster(QWidget):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.min_value = 0 # 最小值
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self.max_value = 99 # 最大值
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self.value = 2.5 # 初始值
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self.setFixedSize(102, 32)
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# 创建控件
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# 减号按钮
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self.minus_btn = QPushButton("-")
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self.minus_btn.setFixedSize(26, 26)
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self.minus_btn.setCursor(Qt.PointingHandCursor)
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# 中间的编辑栏
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self.line_edit = QLineEdit(f"{self.value:.1f}") # 显示1位小数
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self.line_edit.setFixedSize(40, 26)
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# 加号按钮
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self.plus_btn = QPushButton("+")
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self.plus_btn.setFixedSize(26, 26)
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self.plus_btn.setCursor(Qt.PointingHandCursor)
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# 配置QLineEdit：支持数字输入+居中显示
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self.line_edit.setAlignment(Qt.AlignCenter) # 文本居中
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# 限制输入为浮点数（支持负数，范围可自定义）
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self.line_edit.setValidator(QDoubleValidator(0, 99, 1, self)) # 最多1位小数
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self.line_edit.textChanged.connect(self.on_text_changed) # 监听输入变化
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# 设置样式表（保持与按钮风格统一）
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self.minus_btn.setStyleSheet("""
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QPushButton {
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background-color: #001c83;
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color: #03f5ff;
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border: 1px solid #039ec3;
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font-size: 29px;
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text-align: center;
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padding-bottom: 4px;
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}
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QPushButton:hover {
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background-color: #16ffff;
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color: #00347e;
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}
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""")
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# #03f5ff
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self.line_edit.setStyleSheet("""
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QLineEdit {
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background-color: #001c83;
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color: white;
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border: 1px solid #039ec3;
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font-size: 16px;
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padding:0px;
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font-weight: 560;
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}
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QLineEdit:focus {
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border: 1px solid #039ec3;
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outline: none;
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}
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""")
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self.plus_btn.setStyleSheet("""
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QPushButton {
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background-color: #001c83;
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color: #03f5ff;
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border: 1px solid #039ec3;
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font-size: 29px;
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text-align: center;
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padding-bottom: 4px;
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margin: 0px;
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}
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QPushButton:hover {
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background-color: #16ffff;
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color: #00347e;
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}
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""")
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# 连接信号槽（加减按钮）
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self.minus_btn.clicked.connect(self.on_minus_clicked)
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self.plus_btn.clicked.connect(self.on_plus_clicked)
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# 设置布局（间距0，确保边框无缝衔接）
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layout = QHBoxLayout(self)
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layout.setSpacing(2)
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layout.setContentsMargins(0, 0, 0, 0) # 去除布局外边距
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layout.addWidget(self.minus_btn)
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layout.addWidget(self.line_edit)
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layout.addWidget(self.plus_btn)
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def on_minus_clicked(self):
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"""减0.1"""
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new_value = self.value - 0.1
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# 限制最小值：不低于min_value
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if new_value >= self.min_value:
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self.value = round(new_value, 1)
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self.line_edit.setText(f"{self.value:.1f}")
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def on_plus_clicked(self):
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"""加0.1"""
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new_value = self.value + 0.1
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# 限制最大值：不超过max_value
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if new_value <= self.max_value:
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self.value = round(new_value, 1)
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self.line_edit.setText(f"{self.value:.1f}")
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def on_text_changed(self, text):
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"""监听输入框文本变化，更新内部value"""
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if not text:
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return
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try:
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input_value = round(float(text), 1)
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# 确保输入值在范围内
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if self.min_value <= input_value <= self.max_value:
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self.value = input_value
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else:
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# 超出范围时恢复到最近的有效 value
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self.line_edit.setText(f"{self.value:.1f}")
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except ValueError:
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pass
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# 获取具体的方量数值
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def get_value(self):
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return self.value
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# 设置方量值
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def set_value(self, value:float):
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input_value = round(float(value), 1)
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# 确保设置的值在范围内
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if self.min_value <= input_value <= self.max_value:
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self.value = input_value
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self.line_edit.setText(f"{self.value:.1f}") # 更新方量值
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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widget = ValueAdjuster()
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widget.show()
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sys.exit(app.exec()) |