feat(ui): 日期范围筛选控件(双日历面板/可清空/默认今天)替代单 QDateEdit(界面修复 1/2/3)

src/app/CMakeLists.txt

@@ -83,6 +83,7 @@ add_executable(geopro_desktop WIN32
   panels/columns/Column3DAnalysis.cpp
   panels/columns/CategorySection.cpp
   panels/columns/CategoryAnalysisTab.cpp
+  panels/columns/DateRangeEdit.cpp
   panels/columns/ColumnDrawer.cpp
   panels/AnomalyTablePanel.cpp
   panels/LoadingOverlay.cpp

src/app/panels/columns/CategorySection.cpp

@@ -2,7 +2,7 @@
 
 #include <QComboBox>
 #include <QDate>
-#include <QDateEdit>
+#include "panels/columns/DateRangeEdit.hpp"
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QPushButton>
@@ -68,21 +68,10 @@ CategorySection::CategorySection(const CategorySpec& spec, geopro::data::Dataset
                 [this](int) { rebuildList(); });
         filterRow->addWidget(arrayCombo_);
     }
-    auto makeDate = [this]() {
-        auto* d = new QDateEdit(body_);
-        d->setCalendarPopup(true);
-        d->setDisplayFormat(QStringLiteral("yyyy-MM-dd"));
-        d->setSpecialValueText(QStringLiteral("不限"));  // 最小日期→显示"不限"
-        d->setDate(d->minimumDate());
-        connect(d, &QDateEdit::dateChanged, this, [this](const QDate&) { rebuildList(); });
-        return d;
-    };
-    fromDate_ = makeDate();
-    toDate_ = makeDate();
     filterRow->addWidget(new QLabel(QStringLiteral("采集"), body_));
-    filterRow->addWidget(fromDate_, 1);
-    filterRow->addWidget(new QLabel(QStringLiteral("至"), body_));
-    filterRow->addWidget(toDate_, 1);
+    dateRange_ = new DateRangeEdit(body_);
+    connect(dateRange_, &DateRangeEdit::rangeChanged, this, [this] { rebuildList(); });
+    filterRow->addWidget(dateRange_, 1);
     body->addLayout(filterRow);
 
     // 段体：可勾选数据树（勾选=渲染）。复用数据列表卡片委托与 populateDatasetList。
@@ -152,17 +141,17 @@ bool CategorySection::passesFilters(const DsRow& row) const {
             if (!hit) return false;
         }
     }
-    // 采集时间段（collectTime 经 dict 取；缺则回退 createTime；最小日期="不限"不约束）。
-    const bool hasFrom = fromDate_ && fromDate_->date() > fromDate_->minimumDate();
-    const bool hasTo = toDate_ && toDate_->date() > toDate_->minimumDate();
-    if (hasFrom || hasTo) {
+    // 采集时间范围（collectTime 经 dict 取；缺则回退 createTime；空范围不约束）。
+    const QDate from = dateRange_ ? dateRange_->from() : QDate();
+    const QDate to = dateRange_ ? dateRange_->to() : QDate();
+    if (from.isValid() || to.isValid()) {
         const DsTypeFields* f = dict_ ? dict_->fields(spec_.dsTypeCode) : nullptr;
         std::string ts = f ? collectTimeOf(row, *f) : std::string();
         if (ts.empty()) ts = row.createTime;
         const QDate d = QDate::fromString(QString::fromStdString(ts).left(10), QStringLiteral("yyyy-MM-dd"));
         if (d.isValid()) {
-            if (hasFrom && d < fromDate_->date()) return false;
-            if (hasTo && d > toDate_->date()) return false;
+            if (from.isValid() && d < from) return false;
+            if (to.isValid() && d > to) return false;
         }
     }
     return true;

src/app/panels/columns/CategorySection.hpp

@@ -18,6 +18,8 @@ class DatasetFieldDictionary;
 
 namespace geopro::app {
 
+class DateRangeEdit;
+
 // 单个数据类型大类段（spec §7）：段头（标题/折叠 + 装置类型/日期筛选 + 「+新增三维体」）+ 段体（可勾选数据树）。
 // 勾选数据行 = 渲染（帘面/体素/切片）；段头生成按钮据当前勾选源发 generateVolumeRequested。
 class CategorySection : public QWidget {
@@ -51,8 +53,7 @@ private:
     QToolButton* header_ = nullptr;   // 折叠头（标题 + 箭头）
     QWidget* body_ = nullptr;         // 段体容器（折叠时隐藏）
     QComboBox* arrayCombo_ = nullptr; // 装置类型筛选（仅 hasArrayTypeFilter）
-    QDateEdit* fromDate_ = nullptr;   // 采集时间段·起
-    QDateEdit* toDate_ = nullptr;     // 采集时间段·止
+    DateRangeEdit* dateRange_ = nullptr;  // 采集时间范围筛选（起止双日历，可清空）
     QTreeWidget* list_ = nullptr;
 };
 

src/app/panels/columns/DateRangeEdit.cpp

@@ -0,0 +1,97 @@
+#include "panels/columns/DateRangeEdit.hpp"
+
+#include <QCalendarWidget>
+#include <QFrame>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QToolButton>
+#include <QVBoxLayout>
+
+#include "Theme.hpp"
+
+namespace geopro::app {
+
+DateRangeEdit::DateRangeEdit(QWidget* parent) : QWidget(parent) {
+    auto* lay = new QHBoxLayout(this);
+    lay->setContentsMargins(0, 0, 0, 0);
+    lay->setSpacing(0);
+    btn_ = new QToolButton(this);
+    btn_->setToolButtonStyle(Qt::ToolButtonTextOnly);
+    btn_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    btn_->setPopupMode(QToolButton::InstantPopup);
+    btn_->setToolTip(QStringLiteral("按采集时间筛选（起 ~ 止），可清空"));
+    connect(btn_, &QToolButton::clicked, this, &DateRangeEdit::openPopup);
+    lay->addWidget(btn_);
+    updateText();
+}
+
+void DateRangeEdit::openPopup() {
+    if (!popup_) {
+        popup_ = new QFrame(this, Qt::Popup);
+        popup_->setFrameShape(QFrame::StyledPanel);
+        applyTokenizedStyleSheet(
+            popup_, QStringLiteral("QFrame{background:{{bg/panel}};border:1px solid {{border/default}};"
+                                   "border-radius:8px;}"));
+        auto* v = new QVBoxLayout(popup_);
+        v->setContentsMargins(space::kSm, space::kSm, space::kSm, space::kSm);
+
+        auto* cals = new QHBoxLayout();
+        auto* fromCol = new QVBoxLayout();
+        fromCol->addWidget(new QLabel(QStringLiteral("起始"), popup_));
+        fromCal_ = new QCalendarWidget(popup_);
+        fromCol->addWidget(fromCal_);
+        cals->addLayout(fromCol);
+        auto* toCol = new QVBoxLayout();
+        toCol->addWidget(new QLabel(QStringLiteral("结束"), popup_));
+        toCal_ = new QCalendarWidget(popup_);
+        toCol->addWidget(toCal_);
+        cals->addLayout(toCol);
+        v->addLayout(cals);
+
+        auto* btns = new QHBoxLayout();
+        auto* clr = new QPushButton(QStringLiteral("清空"), popup_);
+        auto* ok = new QPushButton(QStringLiteral("确定"), popup_);
+        connect(clr, &QPushButton::clicked, this, &DateRangeEdit::clearAndClose);
+        connect(ok, &QPushButton::clicked, this, &DateRangeEdit::applyAndClose);
+        btns->addWidget(clr);
+        btns->addStretch(1);
+        btns->addWidget(ok);
+        v->addLayout(btns);
+    }
+    // 已有范围则定位到当前值，否则日历默认今天（不再 1752）。
+    if (from_.isValid()) fromCal_->setSelectedDate(from_);
+    if (to_.isValid()) toCal_->setSelectedDate(to_);
+    popup_->adjustSize();
+    popup_->move(mapToGlobal(QPoint(0, height())));
+    popup_->show();
+}
+
+void DateRangeEdit::applyAndClose() {
+    from_ = fromCal_->selectedDate();
+    to_ = toCal_->selectedDate();
+    if (from_.isValid() && to_.isValid() && from_ > to_) std::swap(from_, to_);  // 起>止则交换
+    if (popup_) popup_->hide();
+    updateText();
+    emit rangeChanged();
+}
+
+void DateRangeEdit::clearAndClose() {
+    from_ = QDate();
+    to_ = QDate();
+    if (popup_) popup_->hide();
+    updateText();
+    emit rangeChanged();
+}
+
+void DateRangeEdit::updateText() {
+    if (!from_.isValid() && !to_.isValid()) {
+        btn_->setText(QStringLiteral("全部时间 ▾"));
+        return;
+    }
+    const QString f = from_.isValid() ? from_.toString(QStringLiteral("yyyy-MM-dd")) : QStringLiteral("不限");
+    const QString t = to_.isValid() ? to_.toString(QStringLiteral("yyyy-MM-dd")) : QStringLiteral("不限");
+    btn_->setText(QStringLiteral("%1 ~ %2 ▾").arg(f, t));
+}
+
+}  // namespace geopro::app

src/app/panels/columns/DateRangeEdit.hpp

@@ -0,0 +1,38 @@
+#pragma once
+#include <QDate>
+#include <QWidget>
+
+class QToolButton;
+class QCalendarWidget;
+class QFrame;
+
+namespace geopro::app {
+
+// 日期范围选择器（spec 采集时间筛选）：一个按钮显示「起 ~ 止」，点开弹双日历面板选起止；
+// 可清空（回到"全部时间"）；默认不限，日历定位今天（不再停在 1752）。
+class DateRangeEdit : public QWidget {
+    Q_OBJECT
+public:
+    explicit DateRangeEdit(QWidget* parent = nullptr);
+
+    QDate from() const { return from_; }  // 无效 QDate = 不限下限
+    QDate to() const { return to_; }      // 无效 QDate = 不限上限
+
+signals:
+    void rangeChanged();
+
+private:
+    void openPopup();
+    void applyAndClose();
+    void clearAndClose();
+    void updateText();
+
+    QToolButton* btn_ = nullptr;
+    QFrame* popup_ = nullptr;
+    QCalendarWidget* fromCal_ = nullptr;
+    QCalendarWidget* toCal_ = nullptr;
+    QDate from_;
+    QDate to_;
+};
+
+}  // namespace geopro::app