README: Add code docs + flathub repo links (#6384)

* Add code docs + flathub repo links

* Update README.md

README.md

@@ -46,7 +46,8 @@ Latest <kbd>beta</kbd> version:
 
 - [Magic-Token](https://github.com/Cockatrice/Magic-Token): MtG token data to use in Cockatrice
 - [Magic-Spoiler](https://github.com/Cockatrice/Magic-Spoiler): Script to generate MtG spoiler data from [MTGJSON](https://github.com/mtgjson/mtgjson) to use in Cockatrice
-- [cockatrice.github.io](https://github.com/Cockatrice/cockatrice.github.io): Code of the official webpage of the Cockatrice project
+- [cockatrice.github.io](https://github.com/Cockatrice/cockatrice.github.io): Code of the official Cockatrice webpage
+- [Cockatrice @Flathub](https://github.com/flathub/io.github.Cockatrice.cockatrice): Configuration for our Linux `flatpak` package
 
 
 # Community Resources [![Discord](https://img.shields.io/discord/314987288398659595?label=Discord&logo=discord&logoColor=white)](https://discord.gg/3Z9yzmA)
@@ -54,6 +55,7 @@ Latest <kbd>beta</kbd> version:
 Join our [Discord community](https://discord.gg/3Z9yzmA) to connect with other projet contributors (`#dev` channel) or fellow users of the app. Come here to talk about the application, features, or just to hang out.
 - [Official Website](https://cockatrice.github.io)
 - [Official Wiki](https://github.com/Cockatrice/Cockatrice/wiki)
+- [Official Code Documentation](https://cockatrice.github.io/docs)
 - [Official Discord](https://discord.gg/3Z9yzmA)
 - [reddit r/Cockatrice](https://reddit.com/r/cockatrice)
 

cockatrice/src/interface/widgets/visual_deck_editor/visual_deck_display_options_widget.cpp

@@ -2,7 +2,9 @@
 
 #include "../tabs/visual_deck_editor/tab_deck_editor_visual.h"
 
-VisualDeckDisplayOptionsWidget::VisualDeckDisplayOptionsWidget(QWidget *parent)
+#include <libcockatrice/utility/qt_utils.h>
+
+VisualDeckDisplayOptionsWidget::VisualDeckDisplayOptionsWidget(QWidget *parent) : QWidget(parent)
 {
     groupAndSortLayout = new QHBoxLayout(this);
     groupAndSortLayout->setAlignment(Qt::AlignLeft);
@@ -11,23 +13,19 @@ VisualDeckDisplayOptionsWidget::VisualDeckDisplayOptionsWidget(QWidget *parent)
     groupByLabel = new QLabel(this);
 
     groupByComboBox = new QComboBox(this);
-    if (auto visualDeckEditorWidget = qobject_cast<VisualDeckEditorWidget *>(parent)) {
-        if (auto tabWidget = qobject_cast<TabDeckEditorVisualTabWidget *>(visualDeckEditorWidget)) {
-            // Inside a central widget QWidget container inside TabDeckEditorVisual
-            if (auto tab = qobject_cast<TabDeckEditorVisual *>(tabWidget->parent()->parent())) {
-                auto originalBox = tab->getDeckDockWidget()->getGroupByComboBox();
-                groupByComboBox->setModel(originalBox->model());
-                groupByComboBox->setModelColumn(originalBox->modelColumn());
 
-                // Original -> clone
-                connect(originalBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
-                        [this](int index) { groupByComboBox->setCurrentIndex(index); });
+    if (auto tab = QtUtils::findParentOfType<TabDeckEditorVisual>(this)) {
+        auto originalBox = tab->getDeckDockWidget()->getGroupByComboBox();
+        groupByComboBox->setModel(originalBox->model());
+        groupByComboBox->setModelColumn(originalBox->modelColumn());
 
-                // Clone -> original
-                connect(groupByComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
-                        [originalBox](int index) { originalBox->setCurrentIndex(index); });
-            }
-        }
+        // Original -> clone
+        connect(originalBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
+                [this](int index) { groupByComboBox->setCurrentIndex(index); });
+
+        // Clone -> original
+        connect(groupByComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged),
+                [originalBox](int index) { originalBox->setCurrentIndex(index); });
     } else {
         groupByComboBox->addItem(
             tr(qPrintable(DeckListModelGroupCriteria::toString(DeckListModelGroupCriteria::MAIN_TYPE))),

libcockatrice_utility/libcockatrice/utility/qt_utils.h

@@ -0,0 +1,20 @@
+#ifndef COCKATRICE_QT_UTILS_H
+#define COCKATRICE_QT_UTILS_H
+#include <QObject>
+
+namespace QtUtils
+{
+template <typename T> T *findParentOfType(const QObject *obj)
+{
+    const QObject *p = obj ? obj->parent() : nullptr;
+    while (p) {
+        if (auto casted = qobject_cast<T *>(const_cast<QObject *>(p))) {
+            return casted;
+        }
+        p = p->parent();
+    }
+    return nullptr;
+}
+} // namespace QtUtils
+
+#endif // COCKATRICE_QT_UTILS_H