mirror of
https://github.com/RetroDECK/ES-DE.git
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134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
#include "components/MenuComponent.h"
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#include "components/ButtonComponent.h"
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#define BUTTON_GRID_VERT_PADDING 32
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#define BUTTON_GRID_HORIZ_PADDING 10
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#define TITLE_HEIGHT (mTitle->getFont()->getLetterHeight() + TITLE_VERT_PADDING)
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MenuComponent::MenuComponent(Window* window, const char* title, const std::shared_ptr<Font>& titleFont) : GuiComponent(window),
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mBackground(window), mGrid(window, Vector2i(1, 3))
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{
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addChild(&mBackground);
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addChild(&mGrid);
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mBackground.setImagePath(":/frame.png");
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// set up title
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mTitle = std::make_shared<TextComponent>(mWindow);
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mTitle->setHorizontalAlignment(ALIGN_CENTER);
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mTitle->setColor(0x555555FF);
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setTitle(title, titleFont);
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mGrid.setEntry(mTitle, Vector2i(0, 0), false);
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// set up list which will never change (externally, anyway)
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mList = std::make_shared<ComponentList>(mWindow);
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mGrid.setEntry(mList, Vector2i(0, 1), true);
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updateGrid();
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updateSize();
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mGrid.resetCursor();
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}
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void MenuComponent::setTitle(const char* title, const std::shared_ptr<Font>& font)
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{
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mTitle->setText(Utils::String::toUpper(title));
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mTitle->setFont(font);
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}
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float MenuComponent::getButtonGridHeight() const
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{
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return (mButtonGrid ? mButtonGrid->getSize().y() : Font::get(FONT_SIZE_MEDIUM)->getHeight() + BUTTON_GRID_VERT_PADDING);
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}
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void MenuComponent::updateSize()
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{
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const float maxHeight = Renderer::getScreenHeight() * 0.75f;
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float height = TITLE_HEIGHT + mList->getTotalRowHeight() + getButtonGridHeight() + 2;
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if(height > maxHeight)
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{
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height = TITLE_HEIGHT + getButtonGridHeight();
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int i = 0;
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while(i < mList->size())
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{
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float rowHeight = mList->getRowHeight(i);
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if(height + rowHeight < maxHeight)
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height += rowHeight;
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else
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break;
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i++;
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}
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}
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float width = (float)Math::min((int)Renderer::getScreenHeight(), (int)(Renderer::getScreenWidth() * 0.90f));
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setSize(width, height);
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}
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void MenuComponent::onSizeChanged()
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{
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mBackground.fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
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// update grid row/col sizes
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mGrid.setRowHeightPerc(0, TITLE_HEIGHT / mSize.y());
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mGrid.setRowHeightPerc(2, getButtonGridHeight() / mSize.y());
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mGrid.setSize(mSize);
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}
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void MenuComponent::addButton(const std::string& name, const std::string& helpText, const std::function<void()>& callback)
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{
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mButtons.push_back(std::make_shared<ButtonComponent>(mWindow, Utils::String::toUpper(name), helpText, callback));
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updateGrid();
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updateSize();
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}
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void MenuComponent::updateGrid()
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{
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if(mButtonGrid)
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mGrid.removeEntry(mButtonGrid);
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mButtonGrid.reset();
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if(mButtons.size())
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{
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mButtonGrid = makeButtonGrid(mWindow, mButtons);
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mGrid.setEntry(mButtonGrid, Vector2i(0, 2), true, false);
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}
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}
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std::vector<HelpPrompt> MenuComponent::getHelpPrompts()
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{
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return mGrid.getHelpPrompts();
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}
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std::shared_ptr<ComponentGrid> makeButtonGrid(Window* window, const std::vector< std::shared_ptr<ButtonComponent> >& buttons)
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{
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std::shared_ptr<ComponentGrid> buttonGrid = std::make_shared<ComponentGrid>(window, Vector2i((int)buttons.size(), 2));
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float buttonGridWidth = (float)BUTTON_GRID_HORIZ_PADDING * buttons.size(); // initialize to padding
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for(int i = 0; i < (int)buttons.size(); i++)
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{
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buttonGrid->setEntry(buttons.at(i), Vector2i(i, 0), true, false);
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buttonGridWidth += buttons.at(i)->getSize().x();
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}
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for(unsigned int i = 0; i < buttons.size(); i++)
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{
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buttonGrid->setColWidthPerc(i, (buttons.at(i)->getSize().x() + BUTTON_GRID_HORIZ_PADDING) / buttonGridWidth);
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}
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buttonGrid->setSize(buttonGridWidth, buttons.at(0)->getSize().y() + BUTTON_GRID_VERT_PADDING + 2);
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buttonGrid->setRowHeightPerc(1, 2 / buttonGrid->getSize().y()); // spacer row to deal with dropshadow to make buttons look centered
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return buttonGrid;
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}
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std::shared_ptr<ImageComponent> makeArrow(Window* window)
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{
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auto bracket = std::make_shared<ImageComponent>(window);
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bracket->setImage(":/arrow.svg");
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bracket->setResize(0, Math::round(Font::get(FONT_SIZE_MEDIUM)->getLetterHeight()));
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return bracket;
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}
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