From 5ebf12977da61dd669e68415f6454607a572989f Mon Sep 17 00:00:00 2001
From: Christian Daniel Jensen <cdjensen94@gmail.com>
Date: Tue, 3 Nov 2026 12:43:37 -0700
Subject: [PATCH] Fix empty catalogue loaded state and compact Essence
 selection behavior

---
 .../visual_database_display_color_filter_widget.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_color_filter_widget.cpp b/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_color_filter_widget.cpp
index 1cab0ac0e..a9e850d50 100644
--- a/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_color_filter_widget.cpp
+++ b/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_color_filter_widget.cpp
@@ -110,6 +110,12 @@ void VisualDatabaseDisplayColorFilterWidget::removeFilter(QChar essence)
         }
     }
 
+    // The empty selection means "Any Essence", not "exclude everything".
+    if (essencePicker->activeEssences().isEmpty()) {
+        filterModel->clearFiltersOfType(CardFilter::Attr::AttrColor);
+        return;
+    }
+
     switch (currentMode) {
         case FilterMode::ExactMatch:
         case FilterMode::IncludeExclude:
@@ -136,8 +142,11 @@ void VisualDatabaseDisplayColorFilterWidget::updateFilterMode()
     filterModel->clearFiltersOfType(CardFilter::Attr::AttrColor);
 
     const QSet<QChar> selected = essencePicker->activeEssences();
-    for (const QChar essence : Essence::symbols()) {
-        handleColorToggled(essence, selected.contains(essence));
+    // No selections should never generate 15 mutually excluding filters.
+    if (!selected.isEmpty()) {
+        for (const QChar essence : Essence::symbols()) {
+            handleColorToggled(essence, selected.contains(essence));
+        }
     }
 
     filterModel->blockSignals(false);