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85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
#include "MenuComponent.h"
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#include "ButtonComponent.h"
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#define BUTTON_GRID_HEIGHT ((float)Font::get(FONT_SIZE_MEDIUM)->getHeight() + 32)
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using namespace Eigen;
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MenuComponent::MenuComponent(Window* window, const char* title) : 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 which will never change
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mTitle = std::make_shared<TextComponent>(mWindow, strToUpper(title), Font::get(FONT_SIZE_LARGE), 0x555555FF, true);
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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::updateSize()
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{
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float height = mTitle->getSize().y() + mList->getTotalRowHeight() + BUTTON_GRID_HEIGHT + 2;
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if(height > Renderer::getScreenHeight() * 0.7f)
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height = Renderer::getScreenHeight() * 0.7f;
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setSize(Renderer::getScreenWidth() * 0.4f, height);
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}
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void MenuComponent::onSizeChanged()
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{
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mBackground.fitTo(mSize, Eigen::Vector3f::Zero(), Eigen::Vector2f(-32, -32));
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// update grid row/col sizes
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mGrid.setRowHeightPerc(0, mTitle->getSize().y() / mSize.y());
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mGrid.setRowHeightPerc(2, (BUTTON_GRID_HEIGHT) / 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, strToUpper(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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if(mButtons.size())
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{
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mButtonGrid = std::make_shared<ComponentGrid>(mWindow, Vector2i(mButtons.size(), 1));
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float buttonGridWidth = 16.0f * mButtons.size(); // initialize to padding
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for(int i = 0; i < (int)mButtons.size(); i++)
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{
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mButtonGrid->setEntry(mButtons.at(i), Vector2i(i, 0), true, false);
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buttonGridWidth += mButtons.at(i)->getSize().x();
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}
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mButtonGrid->setSize(buttonGridWidth, mButtons.at(0)->getSize().y());
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mGrid.setEntry(mButtonGrid, Vector2i(0, 2), true, false);
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}else{
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mButtonGrid.reset();
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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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