fix (mvToolWindow): Bring debug windows to front in show_tool

Author: v-ein

src/mvToolManager.cpp

@@ -57,7 +57,7 @@ void mvToolManager::ShowTool(mvUUID name)
 	{
 		if (tool->getUUID() == name)
 		{
-			tool->m_show = true;
+			tool->m_focusNextFrame = tool->m_show = true;
 			return;
 		}
 	}

src/mvToolWindow.cpp

@@ -18,6 +18,12 @@ void mvToolWindow::draw()
         m_dirtyPos = false;
     }
 
+    if (m_focusNextFrame)
+    {
+        ImGui::SetNextWindowFocus();
+        m_focusNextFrame = false;
+    }
+
     if (!ImGui::Begin(getTitle(), &m_show, m_windowflags))
     {
         ImGui::End();

src/mvToolWindow.h

@@ -29,6 +29,7 @@ class mvToolWindow
 
     ImGuiWindowFlags m_windowflags = ImGuiWindowFlags_NoSavedSettings;
     bool             m_show = false;
+    bool             m_focusNextFrame = false;
     bool             m_dirtySize = true;
     bool             m_dirtyPos = true;
     int              m_xpos = 200;