Add imgui window size constraints helper.

profiler/CMakeLists.txt

@@ -123,6 +123,7 @@ set(SERVER_FILES
     TracyView_ZoneInfo.cpp
     TracyView_ZoneTimeline.cpp
     TracyWeb.cpp
+    TracyWindowConstraints.cpp
 )
 
 if(NOT EMSCRIPTEN)

profiler/src/profiler/TracyWindowConstraints.cpp

@@ -0,0 +1,26 @@
+#include <algorithm>
+#include <imgui.h>
+
+#include "TracyWindowConstraints.hpp"
+
+namespace tracy
+{
+
+void WindowConstraints::Reset()
+{
+    m_minWidth = 0;
+}
+
+void WindowConstraints::Constrain() const
+{
+    ImGui::SetNextWindowSizeConstraints( ImVec2( m_minWidth, 0 ), ImVec2( FLT_MAX, FLT_MAX ) );
+}
+
+void WindowConstraints::MarkMinWidth()
+{
+    ImGui::SameLine();
+    m_minWidth = std::max( m_minWidth, ImGui::GetCursorPosX() );
+    ImGui::NewLine();
+}
+
+}

profiler/src/profiler/TracyWindowConstraints.hpp

@@ -0,0 +1,20 @@
+#ifndef __TRACYWINDOWCONSTRAINTS_HPP__
+#define __TRACYWINDOWCONSTRAINTS_HPP__
+
+namespace tracy
+{
+
+class WindowConstraints
+{
+public:
+    void Reset();
+    void Constrain() const;
+    void MarkMinWidth();
+
+private:
+    float m_minWidth = 0;
+};
+
+}
+
+#endif