pgpl/tests/program.c

#include <pgpl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

struct AppData {
  PGPL_Gui *gui;
  char buffer[128];
};

static void slide_callback(void *data, double value) {
  struct AppData *app_data = data;
  snprintf(app_data->buffer, 127, "%d", (int)(value * 100));
}

static void configure_widget_default(PGPL_GuiWidget *widget) {
  pgpl_gui_widget_configure(widget, 0, 0, true, true, false, false,
                            PGPL_GUI_FONT_SIZE_CONTENT, NULL, false, false,
                            false, false);
}

PGPL_GuiWidget *create_main_view(struct AppData *app) {
  PGPL_GuiContainerLayout *layout;
  PGPL_GuiSliderWidget *slider;
  PGPL_GuiTextWidget *text;

  layout = pgpl_gui_container_layout_create(
      PGPL_GUI_CONTAINER_LAYOUT_DIRECTION_HORIZONTAL);
  pgpl_gui_widget_configure(&layout->parent, 0, 0, true, true, false, false,
                            PGPL_GUI_FONT_SIZE_CONTENT, NULL, false, true, true,
                            false);

  slider = pgpl_gui_slider_widget_create(16, true, true, 0.0, slide_callback);
  configure_widget_default(&slider->parent);

  text = pgpl_gui_text_widget_create(app->buffer);
  configure_widget_default(&text->parent);
  text->parent.font_size = PGPL_GUI_FONT_SIZE_TITLE;

  pgpl_gui_container_layout_widget_add(layout, &text->parent);
  pgpl_gui_container_layout_widget_add(layout, &slider->parent);

  return (PGPL_GuiWidget *)layout;
}

int32_t main(void) {
  PGPL_Gui *gui;
  PGPL_GuiTheme theme;
  PGPL_Font *font;
  struct AppData app;

  pgpl_init();

  srand(time(NULL));

  strcpy(app.buffer, "0");

  font = pgpl_font_create_from_file("../roboto.ttf", 128);

  pgpl_gui_theme_configure(&theme, pgpl_color_create(255, 255, 255, 255), 48,
                           font);

  gui = pgpl_gui_create("PGPL Test", 480, 240, 0, 0, &theme, &app);

  app.gui = gui;

  pgpl_gui_widget_add(gui, create_main_view(&app));

  pgpl_gui_run_and_show(gui, true);

  pgpl_font_destroy(NULL, font);

  pgpl_deinit();

  return 0;
}