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//! The crate with helpful proc macros for uniui_gui. //! //! It's better to use that functionality via uniui_gui since the crate itself //! is not ready to be used directly anythere. extern crate proc_macro; use proc_macro::TokenStream; fn the_crate_name() -> proc_macro2::TokenStream { quote::quote! { uniui_gui } } mod derives; mod u_main; /// Macros allows to mark function as main entry point for UniUi Application /// /// uniui_gui crate have to be presented in the scope. /// /// wasm_bindgen should not be in dependencies of the crate /// /// Example /// ``` /// #[uniui_gui::uni_main] /// pub fn app_main(app: &mut uniui_gui::Application) { /// // ... /// } /// ``` #[proc_macro_attribute] pub fn u_main( attr: TokenStream, input: TokenStream, ) -> TokenStream { return u_main::u_main(attr, input); } /// DataProcessor derive macro /// /// The DataProcessor trait will be automatically implemented for the structure. /// /// There is few attributes which will help you to configure the implementation. /// /// # #[public_slot] /// Structure's private member which implements [uniui_core::Slot] trait may be that /// attribute. Then new method will be generated with the same name as memeber's name. /// The method will give public access to the member as `&dyn Slot`. /// /// Example: /// ``` /// mod string_processor { /// #[derive(uniui_gui::DataProcessor)] /// pub struct StringProcessor { /// #[public_slot] /// slot_process_string: uniui_core::SlotImpl<String>, /// } /// /// // That kind of code will be generated automatically by derive macos: /// // /// // impl StringProcessor { /// // pub fn slot_process_string(&self) -> &dyn Slot<String> { /// // return &self.slot_process_string; /// // } /// // } /// } /// /// // Usage: /// /// use string_processor::StringProcessor; /// /// fn send_empty_string(string_processor: StringProcessor, s: String) { /// let slot: &dyn Slot<String> = string_processor.slot_process_string(); /// slot.exec_for(s); /// } /// ``` /// /// # #\[public_signal\] /// Makes public method to access structure's member of [uniui_core::Signal] type. /// /// # #\[uprocess_self(<method_name>)\] /// The structure itself may be marked by the attribute. Structure's method should /// be provided as parameter to attribue. Then the method will be called every /// tick (see [uniui_gui::Application] for more info about ticks). /// /// # #\[uprocess_each(<method_name>)\] /// Structure's [uniui_core::SlotImpl] may be marked. Then each value arrived /// to the slot will be processed by the method. /// /// # #\[uprocess_last(<method_name>)\] /// Structure's [uniui_core::SlotImpl] may be marked. Then each tick the last arrived /// value will be processed by the method. /// /// # #\[uprocess_each_app(<method_name>)\] /// The same as `#[uprocess_each]` but reference to the [uniui_gui::Application] /// will be provided as an extra parameter for the method. /// /// # #\[uprocess_last_app(<method_name>)\] /// The same as `#[uprocess_last]` but reference to the [uniui_gui::Application] /// will be provided as an extra parameter for the method. /// /// # #\[uproperty_process\] /// Structure's member of type [uniui_core::Property] may be marked by attribute. /// Then every tick the member will process all incoming values. The method name /// may be provided as a parameter of the attribute. Then the method will be called /// every time (Property)[uniui_core::Property]'s value will be changed. /// /// # #\[uproperty_public_slot(<method_name>)\] /// Create public method to access [uniui_core::Property]'s slot. New method with /// provided name will be generated. /// /// # #\[uproperty_public_signal(<method_name>)\] /// Create public method to access [uniui_core::Property]'s signal. New method with /// provided name will be generated. /// /// # #\[data_processor\] /// Structure's member of type [DataProcessor] may be marked by that attribute. /// Then the member's [process_data](DataProcessor#process_data) method /// will be called every time when [process_data](DataProcessor#process_data) /// called for the Structure. #[proc_macro_derive( DataProcessor, attributes( public_slot, public_signal, uprocess_self, uprocess_each, uprocess_last, uprocess_each_app, uprocess_last_app, uproperty_process, uproperty_public_slot, uproperty_public_signal, data_processor, ) )] pub fn derive_data_processor(input: TokenStream) -> TokenStream { return derives::derive_uobject(input); } /// Widget derive macro /// /// The Widget (and DataProcessor) trait will be automatically implemented for the /// structure. /// /// There is few attributes which will help you to configure the implementation. /// /// # #\[uwidget\] /// Exactly one structure's member with implemented [Widget] trait have to be /// marked by the attribute. All [Widget] stuff will be delegated to the member. /// /// # #\[public_slot\] /// see [DataProcessor's public_slot](derive.DataProcessor.html#public_slot) /// /// # #\[public_signal\] /// see [DataProcessor's public_signal](derive.DataProcessor.html#public_signal) /// /// # #\[uprocess_self(<method_name>)\] /// see [DataProcessor's uprocess_self](derive.DataProcessor.html#uprocess_self) /// /// # #\[uprocess_each(<method_name>)\] /// see [DataProcessor's uprocess_each](derive.DataProcessor.html#uprocess_each) /// /// # #\[uprocess_last(<method_name>)\] /// see [DataProcessor's uprocess_last](derive.DataProcessor.html#uprocess_last) /// /// # #\[uprocess_each_app(<method_name>)\] /// see [DataProcessor's uprocess_each_app](derive.DataProcessor.html#uprocess_each_app) /// /// # #\[uprocess_last_app(<method_name>)\] /// see [DataProcessor's uprocess_last_app](derive.DataProcessor.html#uprocess_last_app) /// /// # #\[uproperty_process\] /// see [DataProcessor's uproperty_process](derive.DataProcessor.html#uproperty_process) /// /// # #\[uproperty_public_slot(<method_name>)\] /// see [DataProcessor's /// uproperty_public_slot](derive.DataProcessor.html#uproperty_public_slot) /// /// # #\[uproperty_public_signal(<method_name>)\] /// see [DataProcessor's /// uproperty_public_signal](derive.DataProcessor.html#uproperty_public_signal) /// /// # #\[data_processor\] /// see [DataProcessor's data_processor](derive.DataProcessor.html#data_processor) #[proc_macro_derive( Widget, attributes( public_slot, public_signal, uprocess_self, uprocess_each, uprocess_last, uprocess_each_app, uprocess_last_app, uproperty_process, uproperty_public_slot, uproperty_public_signal, uwidget, data_processor, ) )] pub fn derive_widget(input: TokenStream) -> TokenStream { return derives::derive_uwidget(input); }