mirror of
https://github.com/RetroDECK/ES-DE.git
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124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
//
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// GuiInfoPopup.cpp
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//
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// Popup window used for user notifications.
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//
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#include "guis/GuiInfoPopup.h"
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#include "components/ComponentGrid.h"
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#include "components/NinePatchComponent.h"
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#include "components/TextComponent.h"
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#if defined(__linux__) || defined(_WIN64)
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#include <SDL2/SDL_timer.h>
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#else
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#include "SDL_timer.h"
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#endif
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GuiInfoPopup::GuiInfoPopup(
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Window* window,
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std::string message,
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int duration)
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: GuiComponent(window),
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mMessage(message),
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mDuration(duration),
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running(true)
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{
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mFrame = new NinePatchComponent(window);
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float maxWidth = Renderer::getScreenWidth() * 0.9f;
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float maxHeight = Renderer::getScreenHeight() * 0.2f;
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std::shared_ptr<TextComponent> s = std::make_shared<TextComponent>(mWindow, "",
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Font::get(FONT_SIZE_MINI), 0x444444FF, ALIGN_CENTER);
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// We do this to force the text container to resize and return the actual expected popup size.
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s->setSize(0,0);
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s->setText(message);
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mSize = s->getSize();
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// Confirm that the size isn't larger than the screen width, otherwise cap it.
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if (mSize.x() > maxWidth) {
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s->setSize(maxWidth, mSize[1]);
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mSize[0] = maxWidth;
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}
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if (mSize.y() > maxHeight) {
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s->setSize(mSize[0], maxHeight);
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mSize[1] = maxHeight;
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}
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// Add a padding to the box.
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int paddingX = (int) (Renderer::getScreenWidth() * 0.03f);
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int paddingY = (int) (Renderer::getScreenHeight() * 0.02f);
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mSize[0] = mSize.x() + paddingX;
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mSize[1] = mSize.y() + paddingY;
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float posX = Renderer::getScreenWidth()*0.5f - mSize.x()*0.5f;
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float posY = Renderer::getScreenHeight() * 0.02f;
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setPosition(posX, posY, 0);
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mFrame->setImagePath(":/graphics/frame.png");
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mFrame->fitTo(mSize, Vector3f::Zero(), Vector2f(-32, -32));
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addChild(mFrame);
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// We only initialize the actual time when we first start to render.
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mStartTime = 0;
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mGrid = new ComponentGrid(window, Vector2i(1, 3));
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mGrid->setSize(mSize);
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mGrid->setEntry(s, Vector2i(0, 1), false, true);
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addChild(mGrid);
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}
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GuiInfoPopup::~GuiInfoPopup()
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{
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}
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void GuiInfoPopup::render(const Transform4x4f& /*parentTrans*/)
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{
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// We use Identity() as we want to render on a specific window position, not on the view.
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Transform4x4f trans = getTransform() * Transform4x4f::Identity();
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if (running && updateState()) {
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// If we're still supposed to be rendering it.
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Renderer::setMatrix(trans);
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renderChildren(trans);
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}
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}
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bool GuiInfoPopup::updateState()
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{
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int curTime = SDL_GetTicks();
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// We only initialize the actual time when we first start to render.
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if (mStartTime == 0)
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mStartTime = curTime;
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// Compute fade-in effect.
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if (curTime - mStartTime > mDuration) {
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// We're past the popup duration, no need to render.
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running = false;
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return false;
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}
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else if (curTime < mStartTime) {
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// If SDL reset.
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running = false;
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return false;
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}
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else if (curTime - mStartTime <= 500) {
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alpha = ((curTime - mStartTime)*255/500);
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}
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else if (curTime - mStartTime < mDuration - 500) {
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alpha = 255;
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}
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else {
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alpha = ((-(curTime - mStartTime - mDuration)*255)/500);
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}
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mGrid->setOpacity((unsigned char)alpha);
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// Apply fade-in effect to popup frame.
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mFrame->setEdgeColor(0xFFFFFF00 | (unsigned char)(alpha));
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mFrame->setCenterColor(0xFFFFFF00 | (unsigned char)(alpha));
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return true;
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}
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