opti：设置自动设置列宽度，并且可以配置允许的最大宽度。

MainWidget.cpp

@@ -16,7 +16,7 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
 {
     ui->setupUi(this);
 
-    setWindowTitle(u8"OneLevelXmlOpr v1.2.14");
+    setWindowTitle(u8"OneLevelXmlOpr v1.2.15");
     setWindowIcon(QIcon("://resource/xml.ico"));
 
     QScreen* primaryScreen = QGuiApplication::primaryScreen();
@@ -26,11 +26,6 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
     // setMinimumWidth(900);
     // setMinimumHeight(800);
 
-    width_.push_back(280);
-    for (int i = 0; i < 30; ++i) {
-        width_.push_back(160);
-    }
-
     attri_edit_ = new CAttributeEdit();
 
     ui->edStatus->setReadOnly(true);
@@ -51,6 +46,7 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
             return;
         }
         read(file);
+        //ui->edStatus->setText(file);
     });
     connect(ui->btnSearch, &QPushButton::clicked, this, [&]() { search(ui->edSearchKey->text()); });
     connect(ui->btnBackup, &QPushButton::clicked, this, [&]() { backup_file(); });
@@ -115,6 +111,11 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
 
     ini_.set_work_exe(exe_path_);
     base_ = ini_.get_config();
+
+    if (base_.blank_width > 20) {
+        blank_with_ = base_.blank_width;
+    }
+
     ui->edStatus->setText(QString::fromStdString(base_.xml_path));
 }
 
@@ -180,6 +181,7 @@ void MainWidget::show_custom_menu()
 void MainWidget::generate_table_widget()
 {
     tab_widget_ = new QTableWidget();
+    metrics_ = std::make_shared<QFontMetrics>(tab_widget_->font());
     tab_widget_->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(tab_widget_, &QTableWidget::itemChanged, this,
             [&](QTableWidgetItem* item) { item_changed_handle(item); });
@@ -196,13 +198,18 @@ void MainWidget::generate_table_widget()
         list.append(QString::fromStdString(item));
     }
 
+    col_with_.clear();
+    for (auto i = 0; i < keys_.size(); ++i) {
+        col_with_[i] = 0;
+    }
+
     tab_widget_->setColumnCount(list.size());
     tab_widget_->setHorizontalHeaderLabels(list);
     tab_widget_->setSelectionBehavior(QAbstractItemView::SelectRows);
     // tab_widget_->setSelectionMode(QAbstractItemView::SelectionMode::SingleSelection);
 
     for (auto i = 0; i < keys.size(); ++i) {
-        tab_widget_->setColumnWidth(i, width_[i]);
+        tab_widget_->setColumnWidth(i, col_with_[i]);
     }
 
     QHBoxLayout* lay = new QHBoxLayout();
@@ -251,6 +258,10 @@ void MainWidget::push_content(const std::vector<tinyxml2::XMLElement*>& eles, st
     ui->edAllPage->setText(QString::number(all_page_));
     judge_btn_page();
     auto_add_ = false;
+
+    for (auto i = 0; i < keys_.size(); ++i) {
+        tab_widget_->setColumnWidth(static_cast<int>(i), col_with_[i]);
+    }
 }
 
 void MainWidget::judge_btn_page()
@@ -271,7 +282,8 @@ void MainWidget::judge_btn_page()
 
 void MainWidget::read(const QString& file_path)
 {
-    if (!ini_.set_xml_path(file_path.toStdString())) {
+    base_.xml_path = file_path.toStdString();
+    if (!ini_.set_xml_path(base_.xml_path)) {
         CUtil::msg(this, u8"没有ini配置文件或者保存ini失败。");
         return;
     }
@@ -287,6 +299,13 @@ void MainWidget::read(const QString& file_path)
         return;
     }
 
+    if (base_.allow_max_width < 0 || base_.allow_max_width > 1000) {
+        allow_max_with_ = 100;
+    }
+    else {
+        allow_max_with_ = base_.allow_max_width;
+    }
+
     generate_table_widget();
     push_content(vec_);
     current_ = vec_;
@@ -496,6 +515,9 @@ void MainWidget::insert_one_line(Element_t* ele, int row)
             // wgItem->setCheckState(Qt::Checked);
         }
         QString sda(data);
+        int dwidth = metrics_->horizontalAdvance(sda) + blank_with_;
+        int need_set_width = dwidth > allow_max_with_ ? allow_max_with_ : dwidth;
+        col_with_[i] = col_with_[i] < need_set_width ? need_set_width : col_with_[i];
         wgItem->setText(sda);
         tab_widget_->setItem(row, i, wgItem);
     }

MainWidget.h

@@ -6,6 +6,7 @@
 #include <QMenu>
 #include <QAction>
 #include <QMessageBox>
+#include <unordered_map>
 #include "src/xml_opr.h"
 #include "src/config.h"
 #include "src/attribute_edit.h"
@@ -30,6 +31,7 @@ class MainWidget;
 }
 QT_END_NAMESPACE
 
+using ump_t = std::unordered_map<int, int>;
 class MainWidget : public QWidget
 {
     Q_OBJECT
@@ -78,6 +80,9 @@ private:
     Element_t*        get_current_select_key();
     QTableWidgetItem* get_current_select_item();
 
+private:
+    std::shared_ptr<QFontMetrics>   metrics_;
+
 private:
     QMenu*                   menu_simple_{};
     QMenu*                   menu_multi_{};
@@ -93,11 +98,13 @@ private:
     std::vector<Element_t*>  vec_{};
     std::vector<Element_t*>  current_{};
     std::vector<std::string> keys_{};
-    std::vector<int>         width_{};
     bool                     auto_add_{false};
     std::size_t              cur_page_{1};
     std::size_t              all_page_{1};
     CAttributeEdit*          attri_edit_{};
     OprBase                  base_{};
+    long                     allow_max_with_{500};
+    long                     blank_with_{50};
+    ump_t                    col_with_{};
 };
 #endif   // MAINWIDGET_H

public_def.h

@@ -10,6 +10,8 @@ struct OprBase {
     std::string the_node{};
     std::string purpose{};
     std::string xml_path{};
+    long        allow_max_width{500};
+    long        blank_width{50};
 };
 
 class CUtil

src/config.cpp

@@ -47,5 +47,7 @@ bool ConfigIni::parse_ini()
     opr_base_.purpose = ini_.GetValue("Basic", "purpose");
     opr_base_.the_node = ini_.GetValue("Basic", "the_node");
     opr_base_.xml_path = ini_.GetValue("Basic", "xml_path");
+    opr_base_.allow_max_width = ini_.GetLongValue("Basic", "max_col_width");
+    opr_base_.blank_width = ini_.GetLongValue("Basic", "blank_width");
     return true;
 }