transition to kernel

sys/services/log.lua

@@ -11,22 +11,60 @@ local keyboard   = _G.device.keyboard
 local multishell = _ENV.multishell
 local os         = _G.os
 local term       = _G.term
+local window     = _G.window
 
 if multishell and multishell.setTitle then
   multishell.setTitle(multishell.getCurrent(), 'System Log')
 end
 
+-- jump through a lot of hoops to get around window api limitations
+-- mainly failing to provide access to window buffer or knowledge of parent
+-- need: window.getParent()
+--       window.copy(target)
+
+local terminal = _G.kernel.terminal.parent
+local w, h = kernel.window.getSize()
+local win = window.create(kernel.window, 1, 1, w, h + 50, false)
+
+-- copy windows contents from parent window to child
+local oblit, oscp = terminal.blit, terminal.setCursorPos
+kernel.window.setVisible(false)
+terminal.blit = function(...)
+  win.blit(...)
+end
+terminal.setCursorPos = function(...)
+  win.setCursorPos(...)
+end
+kernel.window.setVisible(true)
+
+-- position and resize window for multishell (but don't update screen)
+terminal.blit = function() end
+terminal.setCursorPos = function() end
+kernel.window.reposition(1, 2, w, h - 1)
+
+-- restore original terminal
+terminal.blit = oblit
+terminal.setCursorPos = oscp
+
+-- add scrolling methods
+Terminal.scrollable(win, kernel.window)
+
+-- update kernel with new window, set this tab with the new kernal window
 local routine = kernel.getCurrent()
-local previousId
-
-kernel.window.reposition(1, 2)
-Terminal.scrollable(kernel.window, 50)
-
-routine.terminal = kernel.window
-routine.window = kernel.window
-
+for _,r in pairs(kernel.routines) do
+  if r.terminal == kernel.terminal then
+    r.terminal = win
+    r.window = win
+  end
+end
+kernel.terminal = win
+kernel.window = win
+routine.terminal = win
+routine.window = win
 term.redirect(routine.window)
 
+local previousId
+
 kernel.hook('mouse_scroll', function(_, eventData)
   local dir, y = eventData[1], eventData[3]