Duplicate examples/button_example.cpp history in examples/caption_example.cpp history.

This commit is contained in:
Andrea Blankenstijn 2021-07-10 20:44:30 +02:00
parent deb11ed9fd
commit dcbeeea882

View file

@ -0,0 +1,91 @@
#include <iostream>
#include <SDL2/SDL_ttf.h>
#include <basic_widgets/button.hpp>
#include <basic_widgets/horizontal_layout.hpp>
#include <basic_widgets/utils/font.hpp>
#include <basic_widgets/vertical_layout.hpp>
using namespace bwidgets::widget;
using namespace bwidgets::utils;
int main()
{
int width = 640;
int height = 480;
TTF_Init();
TTF_Font* font = TTF_OpenFont(font::find("Monospace").c_str(), 20);
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};
auto layout = new Horizontal_Layout();
for (int i = 0; i < 3; i++)
{
auto column = new Vertical_Layout();
for (int j = 0; j < 3; j++)
{
auto widget = new Button();
widget->text("hello");
widget->click_handler = [i, j](const SDL_MouseButtonEvent&) {
std::cerr << "click@" << j << ":" << i << std::endl;
};
widget->font(font);
column->add_widget(widget);
std::cerr << " " << i << "@" << widget;
}
layout->add_widget(column);
}
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 << "== WINDOW RESIZED == " << width << "x" << height << std::endl;
layout->viewport(layout_vp);
}
break;
}
layout->handle_event(ev);
}
SDL_SetRenderDrawColor(rend, 75, 75, 75, SDL_ALPHA_OPAQUE);
SDL_RenderClear(rend);
layout->render(rend);
SDL_RenderPresent(rend);
}
delete layout;
SDL_DestroyRenderer(rend);
SDL_DestroyWindow(win);
SDL_Quit();
TTF_CloseFont(font);
TTF_Quit();
return 0;
}