Add tooltips for button, imagebutton and checkbox.

1 files changed, 6 insertions, 9 deletions

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index f4e1fd230..6ed560869 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -986,32 +986,28 @@ vertlabel[<X>,<Y>;<label>]
 ^ label is the text on the label
 ^ Position and size units are inventory slots
 
-button[<X>,<Y>;<W>,<H>;<name>;<label>]
+button[<X>,<Y>;<W>,<H>;<name>;<label>;<tooltip>]
 ^ Clickable button. When clicked, fields will be sent.
 ^ x, y and name work as per field
 ^ w and h are the size of the button
 ^ label is the text on the button
 ^ Position and size units are inventory slots
+^ tooltip is optional
 
 image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]
 ^ x, y, w, h, and name work as per button
 ^ texture name is the filename of an image
 ^ Position and size units are inventory slots
 
-image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>;<noclip>;<drawborder>]
-^ x, y, w, h, and name work as per button
-^ texture name is the filename of an image
-^ Position and size units are inventory slots
-^ noclip true meand imagebutton doesn't need to be within specified formsize
-^ drawborder draw button bodrer or not
-
 image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>;<noclip>;<drawborder>;<pressed texture name>]
+image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>;<noclip>;<drawborder>;<pressed texture name>;<tooltip>]
 ^ x, y, w, h, and name work as per button
 ^ texture name is the filename of an image
 ^ Position and size units are inventory slots
 ^ noclip true meand imagebutton doesn't need to be within specified formsize
 ^ drawborder draw button bodrer or not
 ^ pressed texture name is the filename of an image on pressed state
+^ tooltip is optional
 
 item_image_button[<X>,<Y>;<W>,<H>;<item name>;<name>;<label>]
 ^ x, y, w, h, name and label work as per button
@@ -1068,12 +1064,13 @@ dropdown[<X>,<Y>;<W>;<name>;<item 1>,<item 2>, ...,<item n>;<selected idx>]
 ^ index of currently selected dropdown item
 ^ color in hexadecimal format RRGGBB (only)
 
-checkbox[<X>,<Y>;<name>;<label>;<selected>]
+checkbox[<X>,<Y>;<name>;<label>;<selected>;<tooltip>]
 ^ show a checkbox
 ^ x and y position of checkbox
 ^ name fieldname data is transfered to lua
 ^ label to be shown left of checkbox
 ^ selected (optional) true/false
+^ tooltip (optional)
 
 table[<X>,<Y>;<W>,<H>;<name>;<cell 1>,<cell 2>,...,<cell n>;<selected idx>]
 ^ show scrollable table using options defined by the previous tableoptions[]