From 8a7f540d7c5d61b688438fc07ad001c982615584 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf@nereid.pl>
Date: Tue, 15 Oct 2024 01:29:08 +0200
Subject: [PATCH] Fill emptiness in find zone window awaiting for query.

---
 profiler/src/profiler/TracyView.hpp          |  2 ++
 profiler/src/profiler/TracyView_FindZone.cpp | 26 ++++++++++++++++----
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/profiler/src/profiler/TracyView.hpp b/profiler/src/profiler/TracyView.hpp
index cf33765d..b976e894 100644
--- a/profiler/src/profiler/TracyView.hpp
+++ b/profiler/src/profiler/TracyView.hpp
@@ -641,6 +641,7 @@ private:
             int64_t time = 0;
         };
 
+        bool hasResults = false;
         bool show = false;
         bool ignoreCase = false;
         std::vector<int16_t> match;
@@ -698,6 +699,7 @@ private:
             selGroup = Unselected;
             highlight.active = false;
             samples.counts.clear();
+            hasResults = false;
         }
 
         void ResetMatch()
diff --git a/profiler/src/profiler/TracyView_FindZone.cpp b/profiler/src/profiler/TracyView_FindZone.cpp
index 560e9ae4..b77d513a 100644
--- a/profiler/src/profiler/TracyView_FindZone.cpp
+++ b/profiler/src/profiler/TracyView_FindZone.cpp
@@ -19,6 +19,7 @@ extern double s_time;
 #ifndef TRACY_NO_STATISTICS
 void View::FindZones()
 {
+    m_findZone.hasResults = true;
     m_findZone.match = m_worker.GetMatchingSourceLocation( m_findZone.pattern, m_findZone.ignoreCase );
     if( m_findZone.match.empty() ) return;
 
@@ -341,15 +342,31 @@ void View::DrawFindZone()
         FindZones();
     }
 
-    if( !m_findZone.match.empty() )
+    ImGui::Separator();
+    ImGui::BeginChild( "##findzone" );
+
+    if( m_findZone.match.empty() )
+    {
+        ImGui::PushFont( m_bigFont );
+        ImGui::Dummy( ImVec2( 0, ( ImGui::GetContentRegionAvail().y - ImGui::GetTextLineHeight() * 2 ) * 0.5f ) );
+        TextCentered( ICON_FA_CROW );
+        if( m_findZone.hasResults )
+        {
+            TextCentered( "No matching zones found" );
+        }
+        else
+        {
+            TextCentered( "Please enter search pattern" );
+        }
+        ImGui::PopFont();
+    }
+    else
     {
         Achieve( "findZone" );
 
         const auto rangeMin = m_findZone.range.min;
         const auto rangeMax = m_findZone.range.max;
 
-        ImGui::Separator();
-        ImGui::BeginChild( "##findzone" );
         bool expand = ImGui::TreeNodeEx( "Matched source locations", ImGuiTreeNodeFlags_DefaultOpen );
         ImGui::SameLine();
         ImGui::TextDisabled( "(%zu)", m_findZone.match.size() );
@@ -1993,14 +2010,13 @@ void View::DrawFindZone()
             }
         }
 
-        ImGui::EndChild();
-
         if( changeZone != 0 )
         {
             auto& srcloc = m_worker.GetSourceLocation( changeZone );
             m_findZone.ShowZone( changeZone, m_worker.GetString( srcloc.name.active ? srcloc.name : srcloc.function ) );
         }
     }
+    ImGui::EndChild();
 #endif
 
     ImGui::End();