bwidgets/widget_test.cpp

#include <iostream>

#include "button.hpp"
#include "horizontal_layout.hpp"
#include "numeric_input.hpp"
#include "vertical_layout.hpp"

int main()
{
    int width = 640;
    int height = 480;

    TTF_Init();
    TTF_Font* font = TTF_OpenFont("fonts/FiraMono-Bold.ttf", 16);

    SDL_Init(SDL_INIT_VIDEO);
    SDL_Window* win = SDL_CreateWindow(
            "Widget test",
            SDL_WINDOWPOS_UNDEFINED,
            SDL_WINDOWPOS_UNDEFINED,
            width,
            height,
            SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE
            );
    SDL_Renderer* rend = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
    SDL_SetRenderDrawBlendMode(rend, SDL_BLENDMODE_BLEND);

    SDL_Rect layout_vp = {0, 0, width, height};
    Layout* layout = new Vertical_Layout(rend);
    for (int i = 0; i < 4; i++)
    {
        std::cerr << "Layout " << i << " Widget:";
        Layout* column = new Horizontal_Layout(rend);
        layout->add_widget(column);
        for (int j = 0; j < 3; j++)
        {
            Numeric_Input<int>* widget = new Numeric_Input<int>(rend);
            widget->font(font);
            column->add_widget(widget);
            std::cerr << " " << j << "@" << widget;
        }
        std::cerr << std::endl << "Append v-layout" << std::endl;
    }
    layout->viewport(layout_vp);
    bool quit = false;
    while (!quit)
    {
        SDL_Event ev;
        while (SDL_PollEvent(&ev) != 0)
        {
            switch (ev.type)
            {
                case SDL_QUIT:
                    quit = true;
                    break;
                case SDL_WINDOWEVENT:
                    if (ev.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)
                    {
                        SDL_GetRendererOutputSize(rend, &width, &height);
                        layout_vp.w = width;
                        layout_vp.h = height;
                        std::cerr << "Screen resized " << width << "x" << height << std::endl;
                        layout->viewport(layout_vp);
                    }
                    break;
                case SDL_MOUSEBUTTONUP:
                    //_handle_click({ev.button.x, ev.button.y});
                    break;
            }
            layout->handle_event(ev);
        }

        SDL_SetRenderDrawColor(rend, 0, 0, 0, SDL_ALPHA_OPAQUE);
        SDL_RenderClear(rend);

        layout->render();
        SDL_RenderPresent(rend);
    }

    delete layout;
    SDL_DestroyRenderer(rend);
    SDL_DestroyWindow(win);
    SDL_Quit();
    TTF_CloseFont(font);
    TTF_Quit();
    return 0;
}