diff options
Diffstat (limited to 'doc/lua_api.txt')
| -rw-r--r-- | doc/lua_api.txt | 61 |
1 files changed, 45 insertions, 16 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 6ba87d619..b083b2907 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -2188,12 +2188,12 @@ Elements * 9-sliced background. See https://en.wikipedia.org/wiki/9-slice_scaling * Middle is a rect which defines the middle of the 9-slice. - * `x` - The middle will be x pixels from all sides. - * `x,y` - The middle will be x pixels from the horizontal and y from the vertical. - * `x,y,x2,y2` - The middle will start at x,y, and end at x2, y2. Negative x2 and y2 values - will be added to the width and height of the texture, allowing it to be used as the - distance from the far end. - * All numbers in middle are integers. + * `x` - The middle will be x pixels from all sides. + * `x,y` - The middle will be x pixels from the horizontal and y from the vertical. + * `x,y,x2,y2` - The middle will start at x,y, and end at x2, y2. Negative x2 and y2 values + will be added to the width and height of the texture, allowing it to be used as the + distance from the far end. + * All numbers in middle are integers. * Example for formspec 8x4 in 16x resolution: image shall be sized 8 times 16px times 4 times 16px * If `auto_clip` is `true`, the background is clipped to the formspec size @@ -2508,16 +2508,28 @@ Elements * `span=<value>`: number of following columns to affect (default: infinite). -### `style[<name 1>,<name 2>,...;<prop1>;<prop2>;...]` +### `style[<selector 1>,<selector 2>;<prop1>;<prop2>;...]` -* Set the style for the named element(s) `name`. +* Set the style for the element(s) matching `selector` by name. +* `selector` can be one of: + * `<name>` - An element name. + * `<name>:<state>` - An element name, a colon, and one or more states. +* `state` is a list of states separated by the `+` character. + * If a state is provided, the style will only take effect when the element is in that state. + * All provided states must be active for the style to apply. * Note: this **must** be before the element is defined. * See [Styling Formspecs]. -### `style_type[<type 1>,<type 2>,...;<prop1>;<prop2>;...]` +### `style_type[<selector 1>,<selector 2>;<prop1>;<prop2>;...]` -* Sets the style for all elements of type(s) `type` which appear after this element. +* Set the style for the element(s) matching `selector` by type. +* `selector` can be one of: + * `<type>` - An element type. + * `<type>:<state>` - An element type, a colon, and one or more states. +* `state` is a list of states separated by the `+` character. + * If a state is provided, the style will only take effect when the element is in that state. + * All provided states must be active for the style to apply. * See [Styling Formspecs]. Migrating to Real Coordinates @@ -2560,23 +2572,32 @@ Styling Formspecs Formspec elements can be themed using the style elements: - style[<name 1>,<name 2>,...;<prop1>;<prop2>;...] - style_type[<type 1>,<type 2>,...;<prop1>;<prop2>;...] + style[<name 1>,<name 2>;<prop1>;<prop2>;...] + style[<name 1>:<state>,<name 2>:<state>;<prop1>;<prop2>;...] + style_type[<type 1>,<type 2>;<prop1>;<prop2>;...] + style_type[<type 1>:<state>,<type 2>:<state>;<prop1>;<prop2>;...] Where a prop is: property_name=property_value +For example: + + style_type[button;bgcolor=#006699] + style[world_delete;bgcolor=red;textcolor=yellow] + button[4,3.95;2.6,1;world_delete;Delete] + A name/type can optionally be a comma separated list of names/types, like so: world_delete,world_create,world_configure button,image_button -For example: +Any name/type in the list can also be accompanied by a `+`-separated list of states, like so: - style_type[button;bgcolor=#006699] - style[world_delete;bgcolor=red;textcolor=yellow] - button[4,3.95;2.6,1;world_delete;Delete] + world_delete:hovered+pressed + button:pressed + +States allow you to apply styles in response to changes in the element, instead of applying at all times. Setting a property to nothing will reset it to the default value. For example: @@ -2654,6 +2675,14 @@ Some types may inherit styles from parent types. * noclip - boolean, set to true to allow the element to exceed formspec bounds. * textcolor - color. Default white. +### Valid States + +* *all elements* + * default - Equivalent to providing no states +* button, button_exit, image_button, item_image_button + * hovered - Active when the mouse is hovering over the element + * pressed - Active when the button is pressed + Markup Language --------------- |