[VDE] Placeholder image for deck view if deck is empty (#6516)

* [VDE] A stab at things

Took 14 minutes

Took 10 minutes

Took 5 minutes

Took 4 minutes


Took 41 seconds

Took 10 minutes

Took 3 minutes

* [VDE] Use placeholder image for deck view if deck is empty.

Took 15 minutes

Took 9 seconds

Took 5 seconds

* Sort CMakeList correctly.

Took 35 seconds

Took 23 seconds

* Visibility updates got lost in the rebase.

Took 7 minutes

* Same treatment for printing selector.

Took 42 minutes

* Actually add file.

Took 4 minutes

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/printing_selector/printing_selector.cpp

@@ -8,6 +8,7 @@
 #include "printing_selector_card_search_widget.h"
 #include "printing_selector_card_selection_widget.h"
 #include "printing_selector_card_sorting_widget.h"
+#include "printing_selector_placeholder_widget.h"
 
 #include <QBoxLayout>
 #include <QScrollBar>
@@ -34,6 +35,8 @@ PrintingSelector::PrintingSelector(QWidget *parent, AbstractTabDeckEditor *_deck
 
     flowWidget = new FlowWidget(this, Qt::Horizontal, Qt::ScrollBarAlwaysOff, Qt::ScrollBarAsNeeded);
 
+    placeholderWidget = new PrintingSelectorPlaceholderWidget(this);
+
     sortToolBar = new PrintingSelectorCardSortingWidget(this);
     sortToolBar->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
 
@@ -70,8 +73,13 @@ PrintingSelector::PrintingSelector(QWidget *parent, AbstractTabDeckEditor *_deck
 
     layout->addWidget(sortAndOptionsContainer);
 
+    layout->addWidget(placeholderWidget);
     layout->addWidget(flowWidget);
 
+    // Initially show placeholder, hide flowWidget
+    placeholderWidget->setVisible(true);
+    flowWidget->setVisible(false);
+
     cardSelectionBar = new PrintingSelectorCardSelectionWidget(this, deckStateManager);
     cardSelectionBar->setVisible(SettingsCache::instance().getPrintingSelectorNavigationButtonsVisible());
     layout->addWidget(cardSelectionBar);
@@ -139,7 +147,16 @@ void PrintingSelector::updateDisplay()
     widgetLoadingBufferTimer->deleteLater();
     widgetLoadingBufferTimer = new QTimer(this);
     flowWidget->clearLayout();
-    if (selectedCard != nullptr) {
+
+    if (selectedCard.isNull()) {
+        // Show placeholder, hide flowWidget
+        placeholderWidget->setVisible(true);
+        flowWidget->setVisible(false);
+        setWindowTitle(tr("Printing Selector"));
+    } else {
+        // Hide placeholder, show flowWidget
+        placeholderWidget->setVisible(false);
+        flowWidget->setVisible(true);
         setWindowTitle(selectedCard->getName());
     }
     getAllSetsForCurrentCard();
@@ -153,6 +170,8 @@ void PrintingSelector::updateDisplay()
 void PrintingSelector::setCard(const CardInfoPtr &newCard)
 {
     if (newCard.isNull()) {
+        selectedCard = newCard;
+        updateDisplay();
         return;
     }
 
@@ -229,4 +248,4 @@ void PrintingSelector::getAllSetsForCurrentCard()
 void PrintingSelector::toggleVisibilityNavigationButtons(bool _state)
 {
     cardSelectionBar->setVisible(_state);
-}
+}

cockatrice/src/interface/widgets/printing_selector/printing_selector.h

@@ -10,6 +10,7 @@
 #include "../cards/card_size_widget.h"
 #include "../general/layout_containers/flow_widget.h"
 #include "../quick_settings/settings_button_widget.h"
+#include "printing_selector_placeholder_widget.h"
 
 #include <QCheckBox>
 #include <QLabel>
@@ -70,6 +71,7 @@ private:
     QCheckBox *navigationCheckBox;
     PrintingSelectorCardSortingWidget *sortToolBar;
     PrintingSelectorCardSearchWidget *searchBar;
+    PrintingSelectorPlaceholderWidget *placeholderWidget;
     FlowWidget *flowWidget;
     CardSizeWidget *cardSizeWidget;
     PrintingSelectorCardSelectionWidget *cardSelectionBar;

cockatrice/src/interface/widgets/printing_selector/printing_selector_placeholder_widget.cpp

@@ -0,0 +1,42 @@
+#include "printing_selector_placeholder_widget.h"
+
+PrintingSelectorPlaceholderWidget::PrintingSelectorPlaceholderWidget(QWidget *parent) : QWidget(parent)
+{
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    mainLayout = new QVBoxLayout(this);
+    mainLayout->setAlignment(Qt::AlignCenter);
+    setLayout(mainLayout);
+
+    // Image label with the background image
+    imageLabel = new QLabel(this);
+    imageLabel->setAlignment(Qt::AlignCenter);
+    imageLabel->setStyleSheet(R"(
+        QLabel {
+            background-image: url(theme:backgrounds/placeholder_printing_selector.svg);
+            background-repeat: no-repeat;
+            background-position: center;
+        }
+    )");
+    imageLabel->setFixedSize(300, 300);
+
+    textLabel = new QLabel(this);
+    textLabel->setAlignment(Qt::AlignCenter);
+    textLabel->setWordWrap(true);
+    textLabel->setStyleSheet(R"(
+        QLabel {
+            color: palette(mid);
+            font-size: 14px;
+            padding: 10px;
+        }
+    )");
+
+    mainLayout->addWidget(imageLabel);
+    mainLayout->addWidget(textLabel);
+
+    retranslateUi();
+}
+
+void PrintingSelectorPlaceholderWidget::retranslateUi()
+{
+    textLabel->setText(tr("Select a card to view its available printings"));
+}

cockatrice/src/interface/widgets/printing_selector/printing_selector_placeholder_widget.h

@@ -0,0 +1,23 @@
+#ifndef COCKATRICE_PRINTING_SELECTOR_PLACEHOLDER_WIDGET_H
+#define COCKATRICE_PRINTING_SELECTOR_PLACEHOLDER_WIDGET_H
+
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QWidget>
+
+class PrintingSelectorPlaceholderWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit PrintingSelectorPlaceholderWidget(QWidget *parent = nullptr);
+
+private:
+    QVBoxLayout *mainLayout;
+    QLabel *imageLabel;
+    QLabel *textLabel;
+
+    void retranslateUi();
+};
+
+#endif // COCKATRICE_PRINTING_SELECTOR_PLACEHOLDER_WIDGET_H