Added the ability for focus to set the current mod config option description (#576)

* Added the ability for focus to set the current mod config option description

* add focus to text input

* only clear description if element matches

src/ui/elements/ui_radio.cpp

@@ -37,6 +37,10 @@ namespace recompui {
         pressed_callback = callback;
     }
 
+    void RadioOption::set_focus_callback(std::function<void(bool)> callback) {
+        focus_callback = callback;
+    }
+
     void RadioOption::set_selected_state(bool enable) {
         set_style_enabled(checked_state, enable);
     }
@@ -67,6 +71,9 @@ namespace recompui {
                 if (active) {
                     queue_update();
                 }
+                if (focus_callback != nullptr) {
+                    focus_callback(active);
+                }
             }
             break;
         case EventType::Update:
@@ -124,6 +131,9 @@ namespace recompui {
                     blur();
                     queue_child_focus();
                 }
+                if (focus_callback != nullptr) {
+                    focus_callback(std::get<EventFocus>(e.variant).active);
+                }
             }
             break;
         case EventType::Update:
@@ -141,6 +151,11 @@ namespace recompui {
     void Radio::add_option(std::string_view name) {
         RadioOption *option = get_current_context().create_element<RadioOption>(this, name, uint32_t(options.size()));
         option->set_pressed_callback([this](uint32_t index){ options[index]->focus(); option_selected(index); });
+        option->set_focus_callback([this](bool active) {
+            if (focus_callback != nullptr) {
+                focus_callback(active);
+            }
+        });
         options.emplace_back(option);
 
         // The first option was added, select it.
@@ -166,6 +181,10 @@ namespace recompui {
         index_changed_callbacks.emplace_back(callback);
     }
 
+    void Radio::set_focus_callback(std::function<void(bool)> callback) {
+        focus_callback = callback;
+    }
+    
     void Radio::set_nav_auto(NavDirection dir) {
         Element::set_nav_auto(dir);
         if (!options.empty()) {

src/ui/elements/ui_radio.h

@@ -10,6 +10,7 @@ namespace recompui {
         Style checked_style;
         Style pulsing_style;
         std::function<void(uint32_t)> pressed_callback = nullptr;
+        std::function<void(bool)> focus_callback = nullptr;
         uint32_t index = 0;
     protected:
         virtual void process_event(const Event &e) override;
@@ -17,6 +18,7 @@ namespace recompui {
     public:
         RadioOption(Element *parent, std::string_view name, uint32_t index);
         void set_pressed_callback(std::function<void(uint32_t)> callback);
+        void set_focus_callback(std::function<void(bool)> callback);
         void set_selected_state(bool enable);
     };
 
@@ -25,6 +27,7 @@ namespace recompui {
         std::vector<RadioOption *> options;
         uint32_t index = 0;
         std::vector<std::function<void(uint32_t)>> index_changed_callbacks;
+        std::function<void(bool)> focus_callback = nullptr;
         bool child_focus_queued = false;
 
         void set_index_internal(uint32_t index, bool setup, bool trigger_callbacks);
@@ -42,6 +45,7 @@ namespace recompui {
         void set_index(uint32_t index);
         uint32_t get_index() const;
         void add_index_changed_callback(std::function<void(uint32_t)> callback);
+        void set_focus_callback(std::function<void(bool)> callback);
         size_t num_options() const { return options.size(); }
         RadioOption* get_option_element(size_t option_index) { return options[option_index]; }
         RadioOption* get_current_option_element() { return options.empty() ? nullptr : options[index]; }

src/ui/elements/ui_slider.cpp

@@ -81,6 +81,9 @@ namespace recompui {
                 if (active) {
                     queue_update();
                 }
+                if (focus_callback != nullptr) {
+                    focus_callback(active);
+                }
             }
             break;
         case EventType::Update:
@@ -219,6 +222,10 @@ namespace recompui {
         value_changed_callbacks.emplace_back(callback);
     }
 
+    void Slider::set_focus_callback(std::function<void(bool)> callback) {
+        focus_callback = callback;
+    }
+
     void Slider::do_step(bool increment) {
         double new_value = value;
         if (increment) {

src/ui/elements/ui_slider.h

@@ -23,6 +23,7 @@ namespace recompui {
         double max_value = 100.0;
         double step_value = 0.0;
         std::vector<std::function<void(double)>> value_changed_callbacks;
+        std::function<void(bool)> focus_callback = nullptr;
 
         void set_value_internal(double v, bool setup, bool trigger_callbacks);
         void bar_pressed(float x, float y);
@@ -51,6 +52,7 @@ namespace recompui {
         double get_step_value() const;
         void add_value_changed_callback(std::function<void(double)> callback);
         void do_step(bool increment);
+        void set_focus_callback(std::function<void(bool)> callback);
     };
 
 } // namespace recompui

src/ui/elements/ui_text_input.cpp

@@ -16,12 +16,19 @@ namespace recompui {
 
             break;
         }
+        case EventType::Focus: {
+            const EventFocus &event = std::get<EventFocus>(e.variant);
+            if (focus_callback != nullptr) {
+                focus_callback(event.active);
+            }
+            break;
+        }
         default:
             break;
         }
     }
     
-    TextInput::TextInput(Element *parent, bool text_visible) : Element(parent, Events(EventType::Text), "input") {
+    TextInput::TextInput(Element *parent, bool text_visible) : Element(parent, Events(EventType::Text, EventType::Focus), "input") {
         if (!text_visible) {
             set_attribute("type", "password");
         }
@@ -48,4 +55,7 @@ namespace recompui {
         text_changed_callbacks.emplace_back(callback);
     }
 
+    void TextInput::set_focus_callback(std::function<void(bool)> callback) {
+        focus_callback = callback;
+    }
 };

src/ui/elements/ui_text_input.h

@@ -8,6 +8,7 @@ namespace recompui {
     private:
         std::string text;
         std::vector<std::function<void(const std::string &)>> text_changed_callbacks;
+        std::function<void(bool)> focus_callback = nullptr;
     protected:
         virtual void process_event(const Event &e) override;
         std::string_view get_type_name() override { return "TextInput"; }
@@ -16,6 +17,7 @@ namespace recompui {
         void set_text(std::string_view text);
         const std::string &get_text();
         void add_text_changed_callback(std::function<void(const std::string &)> callback);
+        void set_focus_callback(std::function<void(bool)> callback);
     };
 
 } // namespace recompui

src/ui/ui_config_sub_menu.cpp

@@ -13,6 +13,9 @@ namespace recompui {
 void ConfigOptionElement::process_event(const Event &e) {
     switch (e.type) {
     case EventType::Hover:
+        if (hover_callback == nullptr) {
+            break;
+        }
         hover_callback(this, std::get<EventHover>(e.variant).active);
         break;
     case EventType::Update:
@@ -53,6 +56,10 @@ void ConfigOptionElement::set_hover_callback(std::function<void(ConfigOptionElem
     hover_callback = callback;
 }
 
+void ConfigOptionElement::set_focus_callback(std::function<void(const std::string &, bool)> callback) {
+    focus_callback = callback;
+}
+
 const std::string &ConfigOptionElement::get_description() const {
     return description;
 }
@@ -73,6 +80,9 @@ ConfigOptionSlider::ConfigOptionSlider(Element *parent, double value, double min
     slider->set_step_value(step_value);
     slider->set_value(value);
     slider->add_value_changed_callback([this](double v){ slider_value_changed(v); });
+    slider->set_focus_callback([this](bool active) {
+        focus_callback(option_id, active);
+    });
 }
 
 // ConfigOptionTextInput
@@ -88,6 +98,9 @@ ConfigOptionTextInput::ConfigOptionTextInput(Element *parent, std::string_view v
     text_input->set_max_width(400.0f);
     text_input->set_text(value);
     text_input->add_text_changed_callback([this](const std::string &text){ text_changed(text); });
+    text_input->set_focus_callback([this](bool active) {
+        focus_callback(option_id, active);
+    });
 }
 
 // ConfigOptionRadio
@@ -100,6 +113,9 @@ ConfigOptionRadio::ConfigOptionRadio(Element *parent, uint32_t value, const std:
     this->callback = callback;
 
     radio = get_current_context().create_element<Radio>(this);
+    radio->set_focus_callback([this](bool active) {
+        focus_callback(option_id, active);
+    });
     radio->add_index_changed_callback([this](uint32_t index){ index_changed(index); });
     for (std::string_view option : options) {
         radio->add_option(option);
@@ -122,19 +138,19 @@ void ConfigSubMenu::back_button_pressed() {
     recompui::focus_mod_configure_button();
 }
 
-void ConfigSubMenu::option_hovered(ConfigOptionElement *option, bool active) {
+void ConfigSubMenu::set_description_option_element(ConfigOptionElement *option, bool active) {
     if (active) {
-        hover_option_elements.emplace(option);
+        description_option_element = option;
     }
-    else {
+    else if (description_option_element == option) {
-        hover_option_elements.erase(option);
+        description_option_element = nullptr;
     }
 
-    if (hover_option_elements.empty()) {
+    if (description_option_element == nullptr) {
         description_label->set_text("");
     }
     else {
-        description_label->set_text((*hover_option_elements.begin())->get_description());
+        description_label->set_text(description_option_element->get_description());
     }
 }
 
@@ -190,14 +206,15 @@ void ConfigSubMenu::enter(std::string_view title) {
 void ConfigSubMenu::clear_options() {
     config_scroll_container->clear_children();
     config_option_elements.clear();
-    hover_option_elements.clear();
+    description_option_element = nullptr;
 }
 
 void ConfigSubMenu::add_option(ConfigOptionElement *option, std::string_view id, std::string_view name, std::string_view description) {
     option->set_option_id(id);
     option->set_name(name);
     option->set_description(description);
-    option->set_hover_callback([this](ConfigOptionElement *option, bool active){ option_hovered(option, active); });
+    option->set_hover_callback([this](ConfigOptionElement *option, bool active){ set_description_option_element(option, active); });
+    option->set_focus_callback([this, option](const std::string &id, bool active) { set_description_option_element(option, active); });
     if (config_option_elements.empty()) {
         back_button->set_nav(NavDirection::Down, option->get_focus_element());
         option->set_nav(NavDirection::Up, back_button);

src/ui/ui_config_sub_menu.h

@@ -20,6 +20,7 @@ protected:
     std::string name;
     std::string description;
     std::function<void(ConfigOptionElement *, bool)> hover_callback = nullptr;
+    std::function<void(const std::string &, bool)> focus_callback = nullptr;
 
     virtual void process_event(const Event &e) override;
     std::string_view get_type_name() override { return "ConfigOptionElement"; }
@@ -30,6 +31,7 @@ public:
     void set_name(std::string_view name);
     void set_description(std::string_view description);
     void set_hover_callback(std::function<void(ConfigOptionElement *, bool)> callback);
+    void set_focus_callback(std::function<void(const std::string &, bool)> callback);
     const std::string &get_description() const;
     void set_nav_auto(NavDirection dir) override { get_focus_element()->set_nav_auto(dir); }
     void set_nav_none(NavDirection dir) override { get_focus_element()->set_nav_none(dir); }
@@ -84,10 +86,10 @@ private:
     Container *config_container = nullptr;
     ScrollContainer *config_scroll_container = nullptr;
     std::vector<ConfigOptionElement *> config_option_elements;
-    std::unordered_set<ConfigOptionElement *> hover_option_elements;
+    ConfigOptionElement * description_option_element = nullptr;
 
     void back_button_pressed();
-    void option_hovered(ConfigOptionElement *option, bool active);
+    void set_description_option_element(ConfigOptionElement *option, bool active);
     void add_option(ConfigOptionElement *option, std::string_view id, std::string_view name, std::string_view description);
 protected:
     std::string_view get_type_name() override { return "ConfigSubMenu"; }