add numeric suffix to stashed files

0119-draw_file_dialog

@@ -36,9 +36,11 @@ draw_file_dialog = function()
 		-- on the first frame after dialog is enabled
 		Stash_directory_contents = directory_contents(Stash_directory)
 	end
-	y = y+Line_height+20
-	App.color{r=1, g=1, b=1}
-	g.print('stashed files:', Menu_left+10, y)
-	y = y+Line_height+5
-	y = add_stash_files_to_dialog(Menu_left+10, y)
+	if #Stash_directory_contents > 0 then
+		y = y+Line_height+20
+		App.color{r=1, g=1, b=1}
+		g.print('stashed files:', Menu_left+10, y)
+		y = y+Line_height+5
+		y = add_stash_files_to_dialog(Menu_left+10, y)
+	end
 end

0123-refresh_directory_contents

@@ -1,11 +0,0 @@
-refresh_directory_contents = function()
-	Directory_contents = {}
-	local filenames = App.files(Directory)
-	for _,filename in ipairs(filenames) do
-		local file_info = App.file_info(Directory..filename)
-		if file_info.type == 'file' then
-			table.insert(Directory_contents, filename)
-		end
-	end
-	table.sort(Directory_contents)
-end

0134-reset_file_dialog_state

@@ -1,6 +1,7 @@
 reset_file_dialog_state = function()
 	Show_file_dialog = false
 	Directory_contents = nil
+	Stash_directory_contents = nil
 	File_dialog_callback = nil
 	File_dialog_input_text = ''
 	File_dialog_input_draw_suffix = ''

0185-stash_pane

@@ -3,9 +3,11 @@ stash_pane = function(pane)
 	local contents, error = love.filesystem.read(src)
 	if not contents then return print_to_output(error) end
 	love.filesystem.createDirectory(Stash_directory)
-	local dest = Stash_directory..pane.filename
+	local stash_filename = next_stash_filename(pane.filename)
+	local dest = Stash_directory..stash_filename
 	local success, error = love.filesystem.write(dest, contents)
 	if not success then return print_to_output(error) end
 	love.filesystem.remove(src)
+	pane.filename = stash_filename
 	pane.is_stash = true
 end

0190-next_stash_filename

@@ -0,0 +1,10 @@
+next_stash_filename = function(root)
+	local i = 1
+	while true do
+		local filename = root..'.'..tostring(i)
+		if not file_exists(Stash_directory..filename) then
+			return filename
+		end
+		i = i+1
+	end
+end