about_view.c

/***
 * HC-11 wireless modem emulator for the Flipper Zero
 * Version: 1.1
 *
 * About view
***/

/*** Includes ***/
#include "common.h"
#include "hc11_modem_icons.h"	/* Generated from images in assets */



/*** Routines ***/

/** About view enter callback **/
void about_view_enter_callback(void *ctx) {

  App *app = (App *)ctx;

  with_view_model(app->about_view, AboutModel *about_model,
	{
	  /* Start at the first screen */
	  about_model->screen = 0;
	},
	false);
}



/** Draw callback for the about view **/
void about_view_draw_callback(Canvas *canvas, void *model) {

  AboutModel *about_model = (AboutModel *)model;

  /* Which screen should we draw? */
  switch(about_model->screen) {

    /* Draw the splash screen with the version number */
    case 0:

      /* Draw the screen's background */
      canvas_draw_icon(canvas, 0, 0, &I_about_splash);

      /* Draw "modem" and the app's version number */
      canvas_set_font(canvas, FontPrimary);
      canvas_draw_str(canvas, 90, 15, "modem");
      canvas_draw_str(canvas, 90, 28, "v");
      canvas_draw_str(canvas, 96, 28, VERSION);

      /* Draw a right arrow at the top right */
      canvas_draw_icon(canvas, 124, 0, &I_arrow_right);

      break;


    /* Draw the app's purpose description screen */
    case 1:

      /* Draw the title */
      canvas_set_font(canvas, FontPrimary);
      canvas_draw_str(canvas, 29, 8, "HC-11 modem");

      /* Draw the URL */
      canvas_draw_str(canvas, 7, 62, "https://www.hc01.com/");

      /* Draw the description */
      canvas_set_font(canvas, FontSecondary);
      canvas_draw_str(canvas, 7, 29, "Send data to/from a HC-11");
      canvas_draw_str(canvas, 11, 40, "wireless RF UART module ");

      /* Draw a left arrow at the top left */
      canvas_draw_icon(canvas, 0, 0, &I_arrow_left);

      /* Draw a right arrow at the top right */
      canvas_draw_icon(canvas, 124, 0, &I_arrow_right);

      break;

    /* Draw the warning about the app's limitation */
    case 2:

      /* Draw the title */
      canvas_set_font(canvas, FontPrimary);
      canvas_draw_str(canvas, 38, 8, "WARNING");

      /* Draw the description */
      canvas_set_font(canvas, FontSecondary);
      canvas_draw_str(canvas, 6, 29, "Currently only transmissions");
      canvas_draw_str(canvas, 0, 40, "mode 3 (FU3) works reliably &");
      canvas_draw_str(canvas, 3, 51, "mode 1 (FU1) in reception only");

      /* Draw a left arrow at the top left */
      canvas_draw_icon(canvas, 0, 0, &I_arrow_left);

      break;
  }
}



/** Input callback for the about view**/
bool about_view_input_callback(InputEvent *evt, void *ctx) {

  App *app = (App *)ctx;
  AboutModel *about_model = view_get_model(app->about_view);
  bool evt_handled = false;

  /* Was the event a button press? */
  if(evt->type == InputTypePress)

    /* Which button was pressed? */
    switch(evt->key) {

      /* OK button: cycle screens */
      case InputKeyOk:
        FURI_LOG_D(TAG, "OK button pressed");
        about_model->screen = (about_model->screen + 1) % 3;
        evt_handled = true;
        break;

      /* Right button: go to the next screen */
      case InputKeyRight:
        FURI_LOG_D(TAG, "Right button pressed");
        about_model->screen = about_model->screen < 2? about_model->screen + 1 :
							about_model->screen;
        evt_handled = true;
        break;

      /* Left button: go to the previous screen */
      case InputKeyLeft:
        FURI_LOG_D(TAG, "Left button pressed");
        about_model->screen = about_model->screen > 0? about_model->screen - 1 :
							about_model->screen;
        evt_handled = true;
        break;

      default:
        evt_handled = false;
    }

  /* If we haven't handled this event, return now */
  if(!evt_handled)
    return false;

  /* Trigger an about view redraw */
  with_view_model(app->about_view, AboutModel *_model, {UNUSED(_model);}, true);

  /* We handled the event */
  return true;
}