204 lines
7.5 KiB
Python
204 lines
7.5 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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from common.constant_config_manager import ConfigManager
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"""
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调整计划方量, 左侧减按钮, 右侧加按钮
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这里的 最小值、最大值、初始值 需要读取配置文件来决定
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"""
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class CustomLineEdit(QLineEdit):
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def __init__(self, default_text: str, parent=None):
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super().__init__(parent)
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self.default_text = default_text # 保存初始化时的默认文本
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self.setText(self.default_text) # 初始化为默认文本
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def focusOutEvent(self, event):
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super().focusOutEvent(event) # 先执行父类的焦点离开逻辑
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# 检查文本是否为空（或仅含空格）
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current_text = self.text().strip()
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if not current_text:
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self.setText(self.default_text) # 为空则恢复默认值
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else: # 不为空，显示一位小数
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value = round(float(current_text), 1)
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self.setText(f"{value:.1f}")
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self.setCursorPosition(0) # 光标移到最前面 (保证数值显示完整)
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# 更新输入框的默认文本
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def updateDefaultText(self, text:str):
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self.default_text = text
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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.config_manager = ConfigManager()
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self.config_manager.adjuster_params_changed.connect(self.on_adjuster_params_changed) # 绑定参数变化槽函数
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# self.min_value = 0.0 # 最小值
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# self.max_value = 99.0 # 最大值
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# self.value = 2.5 # 初始值 (需要显示一位数字)
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self.min_value = self.config_manager.get_adjuster_min() # 最小值
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self.max_value = self.config_manager.get_adjuster_max() # 最大值
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self.value = self.config_manager.get_adjuster_initial() # 初始值 (需要显示一位小数)
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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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# 支持显示两位小数
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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 = CustomLineEdit(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（范围可自定义）
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self.line_edit.setValidator(QDoubleValidator(self.min_value, self.max_value, 1, self)) # 最多1位小数 (必选)
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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_adjuster_params_changed(self, new_min, new_max, new_initial):
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"""配置文件中的min、max、initial变化时, 更新控件范围"""
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# print("on_adjuster_params_changed:", new_min, new_max, new_initial)
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# 1、更新最小值和最大值
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if self.min_value != new_min or self.max_value != new_max:
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self.min_value = new_min
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self.max_value = new_max
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self.line_edit.setValidator(QDoubleValidator(self.min_value, self.max_value, 1, self))
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# 2、确保当前值在新范围内，不在当前范围内，就更新当前值
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if self.value < new_min:
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self.value = new_min
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self.line_edit.setText(f"{self.value:.1f}")
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elif self.value > new_max:
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self.value = new_max
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self.line_edit.setText(f"{self.value:.1f}")
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# 3、更新输入编辑框默认值
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self.line_edit.updateDefaultText(f"{new_initial:.1f}")
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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，float类型 (一位小数)
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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()) |