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

examples/caption_example.cpp

@@ -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;
+}