Allow deleting filters.

cockatrice/src/client/ui/widgets/visual_database_display/visual_database_display_filter_save_load_widget.cpp

@@ -2,10 +2,12 @@
 
 #include "../../../../game/filters/filter_tree.h"
 #include "../../../../settings/cache_settings.h"
+#include "visual_database_filter_display_widget.h"
 
 #include <QHBoxLayout>
 #include <QJsonArray>
 #include <QJsonObject>
+#include <QMessageBox>
 
 VisualDatabaseDisplayFilterSaveLoadWidget::VisualDatabaseDisplayFilterSaveLoadWidget(QWidget *parent,
                                                                                      FilterTreeModel *_filterModel)
@@ -28,7 +30,7 @@ VisualDatabaseDisplayFilterSaveLoadWidget::VisualDatabaseDisplayFilterSaveLoadWi
     connect(saveButton, &QPushButton::clicked, this, &VisualDatabaseDisplayFilterSaveLoadWidget::saveFilter);
 
     // File list container
-    fileListWidget = new FlowWidget(this, Qt::Vertical, Qt::ScrollBarAlwaysOff, Qt::ScrollBarAsNeeded);
+    fileListWidget = new FlowWidget(this, Qt::Horizontal, Qt::ScrollBarAlwaysOff, Qt::ScrollBarAsNeeded);
     layout->addWidget(fileListWidget);
 
     refreshFilterList(); // Populate the file list on startup
@@ -106,20 +108,40 @@ void VisualDatabaseDisplayFilterSaveLoadWidget::loadFilter(const QString &filena
 
 void VisualDatabaseDisplayFilterSaveLoadWidget::refreshFilterList()
 {
-    // Clear existing file buttons
-    for (auto button : fileButtons) {
-        delete button;
+    fileListWidget->clearLayout();
+    // Clear existing widgets
+    for (auto buttonPair : fileButtons) {
+        buttonPair.first->deleteLater();
+        buttonPair.second->deleteLater();
     }
-    fileButtons.clear();
+    fileButtons.clear(); // Clear the list of buttons
 
+    // Refresh the filter file list
     QDir dir(SettingsCache::instance().getFiltersPath());
     QStringList filterFiles = dir.entryList(QStringList() << "*.json", QDir::Files, QDir::Time);
 
+    // Loop through the filter files and create widgets for them
     for (const QString &filename : filterFiles) {
-        auto *button = new QPushButton(filename, fileListWidget);
-        fileListWidget->addWidget(button);
-        fileButtons[filename] = button;
+        bool alreadyAdded = false;
 
-        connect(button, &QPushButton::clicked, this, [this, filename]() { loadFilter(filename); });
+        // Check if the widget for this filter file already exists to avoid duplicates
+        for (const auto &pair : fileButtons) {
+            if (pair.first->text() == filename) {
+                alreadyAdded = true;
+                break;
+            }
+        }
+
+        if (!alreadyAdded) {
+            // Create a new custom widget for the filter
+            FilterDisplayWidget *filterWidget = new FilterDisplayWidget(this, filename, filterModel);
+            fileListWidget->addWidget(filterWidget);
+
+            // Connect signals to handle loading and deletion
+            connect(filterWidget, &FilterDisplayWidget::filterLoadRequested, this,
+                    &VisualDatabaseDisplayFilterSaveLoadWidget::loadFilter);
+            connect(filterWidget, &FilterDisplayWidget::filterDeleted, this,
+                    &VisualDatabaseDisplayFilterSaveLoadWidget::refreshFilterList);
+        }
     }
 }

cockatrice/src/client/ui/widgets/visual_database_display/visual_database_display_filter_save_load_widget.h

@@ -24,6 +24,7 @@ public:
     void saveFilter();
     void loadFilter(const QString &filename);
     void refreshFilterList();
+    void deleteFilter(const QString &filename, QPushButton *deleteButton);
 
 private:
     FilterTreeModel *filterModel;
@@ -33,7 +34,7 @@ private:
     QPushButton *saveButton;
     FlowWidget *fileListWidget;
 
-    QMap<QString, QPushButton *> fileButtons;
+QMap<QString, QPair<QPushButton *, QPushButton *>> fileButtons;
 };
 
 #endif // VISUAL_DATABASE_DISPLAY_FILTER_SAVE_LOAD_WIDGET_H

cockatrice/src/client/ui/widgets/visual_database_display/visual_database_filter_display_widget.cpp

@@ -0,0 +1,80 @@
+#include "visual_database_filter_display_widget.h"
+
+#include "../../../../settings/cache_settings.h"
+
+#include <QDir>
+#include <QFile>
+#include <QFontMetrics>
+#include <QHBoxLayout>
+#include <QMessageBox>
+#include <QPushButton>
+
+FilterDisplayWidget::FilterDisplayWidget(QWidget *parent, const QString &filename, FilterTreeModel *_filterModel)
+    : QWidget(parent), filterFilename(filename), filterModel(_filterModel)
+{
+    setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+    // Create layout
+    auto *layout = new QHBoxLayout(this);
+    layout->setContentsMargins(5, 5, 5, 5);
+    layout->setSpacing(5);
+
+    // Filter button (displays filename)
+    filterButton = new QPushButton(filterFilename, this);
+    layout->addWidget(filterButton);
+
+    // Create close button (inside the filter button)
+    closeButton = new QPushButton("x", this);
+    closeButton->setFixedSize(20, 20); // Small square close button
+    closeButton->setFocusPolicy(Qt::NoFocus);
+    layout->addWidget(closeButton);
+
+    // Connect the filter button for loading the filter
+    connect(filterButton, &QPushButton::clicked, this, &FilterDisplayWidget::loadFilter);
+
+    // Connect the close button for deleting the filter
+    connect(closeButton, &QPushButton::clicked, this, &FilterDisplayWidget::deleteFilter);
+}
+
+QSize FilterDisplayWidget::sizeHint() const
+{
+    // Calculate the size based on the filter name and the close button
+    QFontMetrics fm(font());
+    int textWidth = fm.horizontalAdvance(filterFilename);
+    int width = textWidth + 30 + 16; // Space for the filename and close button
+    int height = fm.height() + 10;   // Height based on font size + padding
+
+    return QSize(width, height);
+}
+
+void FilterDisplayWidget::mousePressEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton) {
+        emit filterClicked(); // Emit signal for the widget click
+    }
+    QWidget::mousePressEvent(event);
+}
+
+void FilterDisplayWidget::loadFilter()
+{
+    // Trigger the loading of the filter
+    emit filterLoadRequested(filterFilename);
+}
+
+void FilterDisplayWidget::deleteFilter()
+{
+    // Show confirmation dialog before deleting the filter
+    QMessageBox::StandardButton reply = QMessageBox::question(
+        this, tr("Confirm Delete"), tr("Are you sure you want to delete the filter '%1'?").arg(filterFilename),
+        QMessageBox::Yes | QMessageBox::No);
+    if (reply == QMessageBox::Yes) {
+        // If confirmed, delete the filter
+        QString filePath = SettingsCache::instance().getFiltersPath() + QDir::separator() + filterFilename;
+        QFile file(filePath);
+        if (file.remove()) {
+            emit filterDeleted(filterFilename); // Emit signal for deletion
+            delete this;                        // Delete this widget
+        } else {
+            QMessageBox::warning(this, tr("Delete Failed"), tr("Failed to delete filter '%1'.").arg(filterFilename));
+        }
+    }
+}

cockatrice/src/client/ui/widgets/visual_database_display/visual_database_filter_display_widget.h

@@ -0,0 +1,40 @@
+#ifndef VISUAL_DATABASE_FILTER_DISPLAY_WIDGET_H
+#define VISUAL_DATABASE_FILTER_DISPLAY_WIDGET_H
+
+#include <QMouseEvent>
+#include <QPushButton>
+#include <QString>
+#include <QWidget>
+
+class FilterTreeModel; // Forward declaration of your FilterTreeModel class
+
+class FilterDisplayWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit FilterDisplayWidget(QWidget *parent, const QString &filename, FilterTreeModel *_filterModel);
+    ~FilterDisplayWidget() = default;
+
+    QSize sizeHint() const override;
+
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
+
+private slots:
+    void loadFilter();
+    void deleteFilter();
+
+signals:
+    void filterClicked();
+    void filterLoadRequested(const QString &filename);
+    void filterDeleted(const QString &filename);
+
+private:
+    QString filterFilename;
+    FilterTreeModel *filterModel;
+    QPushButton *filterButton; // Button for the filter text
+    QPushButton *closeButton;  // Close button to delete the filter
+};
+
+#endif // VISUAL_DATABASE_FILTER_DISPLAY_WIDGET_H