From ecfeb01aad1fd06cf126a9a23cc72293994bfb02 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sat, 6 Jun 2020 12:31:47 +0200
Subject: [PATCH] Set source view content width to max value, regardless of
 clipping.

---
 server/TracySourceView.cpp | 15 +++++++++++++--
 server/TracySourceView.hpp |  3 +++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/server/TracySourceView.cpp b/server/TracySourceView.cpp
index b9a74c32..5da3835c 100644
--- a/server/TracySourceView.cpp
+++ b/server/TracySourceView.cpp
@@ -436,6 +436,7 @@ void SourceView::ParseSource( const char* fileName, const Worker& worker, const
 {
     if( m_file != fileName )
     {
+        m_srcWidth = 0;
         m_file = fileName;
         m_fileStringIdx = worker.FindStringIdx( fileName );
         m_lines.clear();
@@ -510,6 +511,7 @@ bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
     m_maxJumpLevel = 0;
     m_asmSelected = -1;
     m_asmCountBase = -1;
+    m_asmWidth = 0;
     if( symAddr == 0 ) return false;
     m_cpuArch = worker.GetCpuArch();
     if( m_cpuArch == CpuArchUnknown ) return false;
@@ -889,6 +891,7 @@ void SourceView::Render( const Worker& worker, View& view )
 
 void SourceView::RenderSimpleSourceView()
 {
+    ImGui::SetNextWindowContentSize( ImVec2( m_srcWidth, 0 ) );
     ImGui::BeginChild( "##sourceView", ImVec2( 0, 0 ), true, ImGuiWindowFlags_HorizontalScrollbar );
     if( m_font ) ImGui::PushFont( m_font );
 
@@ -915,6 +918,8 @@ void SourceView::RenderSimpleSourceView()
             }
             RenderLine( line, lineNum++, 0, 0, 0, nullptr );
         }
+        const auto& win = ImGui::GetCurrentWindow();
+        m_srcWidth = win->DC.CursorMaxPos.x - win->DC.CursorStartPos.x;
     }
     else
     {
@@ -1376,6 +1381,7 @@ void SourceView::RenderSymbolSourceView( uint32_t iptotal, unordered_flat_map<ui
     }
 
     const float bottom = m_srcSampleSelect.empty() ? 0 : ImGui::GetFrameHeight();
+    ImGui::SetNextWindowContentSize( ImVec2( m_srcWidth, 0 ) );
     ImGui::BeginChild( "##sourceView", ImVec2( 0, -bottom ), true, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_HorizontalScrollbar );
     if( m_font ) ImGui::PushFont( m_font );
 
@@ -1410,6 +1416,8 @@ void SourceView::RenderSymbolSourceView( uint32_t iptotal, unordered_flat_map<ui
             }
             RenderLine( line, lineNum++, 0, iptotal, ipmax, &worker );
         }
+        const auto& win = ImGui::GetCurrentWindow();
+        m_srcWidth = win->DC.CursorMaxPos.x - win->DC.CursorStartPos.x;
     }
     else
     {
@@ -1654,6 +1662,7 @@ uint64_t SourceView::RenderSymbolAsmView( uint32_t iptotal, unordered_flat_map<u
 #endif
 
     const float bottom = m_asmSampleSelect.empty() ? 0 : ImGui::GetFrameHeight();
+    ImGui::SetNextWindowContentSize( ImVec2( m_asmWidth, 0 ) );
     ImGui::BeginChild( "##asmView", ImVec2( 0, -bottom ), true, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_HorizontalScrollbar );
     if( m_font ) ImGui::PushFont( m_font );
 
@@ -1680,6 +1689,8 @@ uint64_t SourceView::RenderSymbolAsmView( uint32_t iptotal, unordered_flat_map<u
             }
             RenderAsmLine( line, 0, iptotal, ipmax, worker, jumpOut, maxAddrLen, view );
         }
+        const auto& win = ImGui::GetCurrentWindow();
+        m_asmWidth = win->DC.CursorMaxPos.x - win->DC.CursorStartPos.x;
     }
     else
     {
@@ -2080,7 +2091,7 @@ void SourceView::RenderLine( const Line& line, int lineNum, uint32_t ipcnt, uint
 {
     const auto ty = ImGui::GetFontSize();
     auto draw = ImGui::GetWindowDrawList();
-    const auto w = ImGui::GetWindowWidth();
+    const auto w = m_srcWidth;
     const auto wpos = ImGui::GetCursorScreenPos();
     if( m_fileStringIdx == m_hoveredSource && lineNum == m_hoveredLine )
     {
@@ -2257,7 +2268,7 @@ void SourceView::RenderAsmLine( AsmLine& line, uint32_t ipcnt, uint32_t iptotal,
 {
     const auto ty = ImGui::GetFontSize();
     auto draw = ImGui::GetWindowDrawList();
-    const auto w = ImGui::GetWindowWidth();
+    const auto w = m_asmWidth;
     const auto wpos = ImGui::GetCursorScreenPos();
     if( m_selectedAddressesHover.find( line.addr ) != m_selectedAddressesHover.end() )
     {
diff --git a/server/TracySourceView.hpp b/server/TracySourceView.hpp
index 3fce239b..75b80c54 100644
--- a/server/TracySourceView.hpp
+++ b/server/TracySourceView.hpp
@@ -239,6 +239,9 @@ private:
     unordered_flat_set<uint32_t> m_srcSampleSelect;
     uint32_t m_asmGroupSelect = -1;
     uint32_t m_srcGroupSelect = -1;
+
+    float m_srcWidth;
+    float m_asmWidth;
 };
 
 }