diff options
Diffstat (limited to 'src/ContextMenu.cpp')
-rw-r--r-- | src/ContextMenu.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/ContextMenu.cpp b/src/ContextMenu.cpp new file mode 100644 index 0000000..317d34a --- /dev/null +++ b/src/ContextMenu.cpp @@ -0,0 +1,128 @@ +#include "../include/ContextMenu.hpp" +#include "../include/ColorScheme.hpp" +#include "../include/ResourceCache.hpp" +#include "../include/Settings.hpp" +#include <SFML/Graphics/Text.hpp> +#include <SFML/Graphics/RectangleShape.hpp> +#include <cmath> +#include <cassert> + +namespace dchat +{ + const float PADDING_SIDE = 10.0f; + const float MENU_ITEM_FONT_SIZE = 18.0f; + const std::string MENU_FONT_PATH = "fonts/Roboto-Regular.ttf"; + + ContextMenuItem::ContextMenuItem(const std::string & _text, MenuItemClickCallbackFunc _clickCallbackFunc) : + text(sf::String::fromUtf8(_text.begin(), _text.end()), *ResourceCache::getFont(MENU_FONT_PATH), MENU_ITEM_FONT_SIZE * Settings::getScaling()), + clickCallbackFunc(_clickCallbackFunc) + { + text.setFillColor(ColorScheme::getContextMenuTextColor()); + } + + ContextMenu::ContextMenu() : + focusedItem(-1), + pressedItem(-1), + visible(true) + { + + } + + void ContextMenu::addItem(const ContextMenuItem &item) + { + menuItems.push_back(item); + } + + void ContextMenu::setPosition(const sf::Vector2f &position) + { + this->position = position; + } + + void ContextMenu::setVisible(bool visible) + { + this->visible = visible; + } + + ContextMenuItem& ContextMenu::getItemByIndex(usize index) + { + assert(index < menuItems.size()); + return menuItems[index]; + } + + void ContextMenu::processEvent(const sf::Event &event) + { + if(!visible) return; + + if(event.type == sf::Event::MouseButtonPressed) + { + if(event.mouseButton.button == sf::Mouse::Button::Left) + { + pressedItem = focusedItem; + if(pressedItem == -1) + setVisible(false); + } + else + { + focusedItem = -1; + pressedItem = -1; + setVisible(false); + } + } + else if(event.type == sf::Event::MouseButtonReleased) + { + if(pressedItem != -1 && pressedItem == focusedItem) + { + assert(pressedItem < menuItems.size()); + if(menuItems[pressedItem].clickCallbackFunc) + menuItems[pressedItem].clickCallbackFunc(&menuItems[pressedItem]); + setVisible(false); + } + pressedItem = -1; + } + } + + void ContextMenu::draw(sf::RenderWindow &window) + { + if(!visible) return; + + const sf::Font *menuItemFont = ResourceCache::getFont(MENU_FONT_PATH); + float boxHeight = menuItemFont->getLineSpacing(MENU_ITEM_FONT_SIZE) * 1.5f; + + sf::Vector2f menuSize; + for(ContextMenuItem &menuItem : menuItems) + { + menuItem.text.setCharacterSize(18 * Settings::getScaling()); + menuSize.x = std::max(menuSize.x, menuItem.text.getLocalBounds().width); + menuSize.y += boxHeight; + } + menuSize.x += PADDING_SIDE * 2.0f; + menuSize.x = floor(menuSize.x); + menuSize.y = floor(menuSize.y); + + sf::Vector2f pos(floor(position.x), floor(position.y)); + sf::RectangleShape background(menuSize); + background.setPosition(pos); + background.setFillColor(ColorScheme::getContextMenuBackgroundColor()); + window.draw(background); + + auto mousePos = sf::Mouse::getPosition(window); + + focusedItem = -1; + for(int i = 0; i < menuItems.size(); ++i) + { + ContextMenuItem &menuItem = menuItems[i]; + if(mousePos.x >= pos.x && mousePos.x <= pos.x + menuSize.x && mousePos.y >= pos.y && mousePos.y <= pos.y + boxHeight && (pressedItem == -1 || i == pressedItem)) + { + sf::RectangleShape selectedItemRect(sf::Vector2f(menuSize.x, floor(boxHeight))); + selectedItemRect.setFillColor(ColorScheme::getContextMenuSelectedItemBackgroundColor()); + selectedItemRect.setPosition(floor(pos.x), floor(pos.y)); + window.draw(selectedItemRect); + focusedItem = i; + } + + menuItem.text.setPosition(floor(pos.x + PADDING_SIDE), floor(pos.y + boxHeight * 0.5f - menuItemFont->getLineSpacing(MENU_ITEM_FONT_SIZE) * 0.5f)); + window.draw(menuItem.text); + pos.y += boxHeight; + } + } +} |