fix: 限制HMI控件属性文本长度

app/src/domain/project_limits.h

@@ -25,6 +25,7 @@ static_assert(kMaximumLadderColumns == kMaximumConditionColumns + 1);
 constexpr std::size_t kMaximumHmiProperties = 64U;
 constexpr std::size_t kMaximumIdBytes = 128U;
 constexpr std::size_t kMaximumTextBytes = 4096U;
+constexpr std::size_t kMaximumHmiControlTextCharacters = 12U;
 constexpr std::size_t kMaximumAlarmTitleCharacters = 12U;
 constexpr std::size_t kMaximumAlarmMessageCharacters = 20U;
 constexpr std::size_t kMaximumPropertyKeyBytes = 128U;

app/src/ui/property_panel_controller.cpp

@@ -195,7 +195,8 @@ void PropertyPanelController::showControlProperties(const std::string &control_i
 
     if (!has_control)
     {
-        ui_.controlTextEdit->setMaxLength(32767);
+        ui_.controlTextEdit->setMaxLength(
+            static_cast<int>(ProjectLimits::kMaximumHmiControlTextCharacters));
         ui_.bindingAreaLabel->setVisible(false);
         ui_.bindingAreaComboBox->setVisible(false);
         ui_.bindingIndexLabel->setVisible(false);
@@ -223,9 +224,7 @@ void PropertyPanelController::showControlProperties(const std::string &control_i
     }
 
     ui_.controlTextEdit->setMaxLength(
-        control->type == HmiControlType::AlarmList
-            ? static_cast<int>(ProjectLimits::kMaximumAlarmTitleCharacters)
-            : 32767);
+        static_cast<int>(ProjectLimits::kMaximumHmiControlTextCharacters));
     ui_.controlIdEdit->setText(fromUtf8(control->id));
     ui_.controlTextEdit->setText(fromUtf8(control->text));
     ui_.controlXSpinBox->setValue(control->bounds.x);

app/tests/main_window_tests.cpp

@@ -1163,6 +1163,10 @@ void testModeActionsControlEditingAvailability()
             "an unbound added control must be marked in the property panel");
     require(text_edit->text() == QStringLiteral("按钮"),
             "property panel must show the control text");
+    require(text_edit->maxLength()
+                == static_cast<int>(
+                    ProjectLimits::kMaximumHmiControlTextCharacters),
+            "all HMI control text inputs must be limited to twelve characters");
     require(button_operation->currentText() == QStringLiteral("瞬时 ON"),
             "new HMI buttons must default to momentary ON");