3 files changed, 19 insertions(+), 3 deletions(-)

M text-viewer/include/gui_component_text_view.h
M text-viewer/src/gui_component_text_view.c
M text-viewer/src/main.c

@@ 17,9 17,13 @@ typedef struct {
   display_pixel_t color;
 } multiline_text_t;
 
-multiline_text_t *gui_multiline_text_create(font_t *font, display_pixel_t color, char *text);
+multiline_text_t *gui_multiline_text_create(font_t *font, display_pixel_t color,
+                                            char *text);
 
-component_t gui_text_view_create(gui_t *gui, multiline_text_t *text, int16_t x, int16_t y);
+component_t gui_text_view_create(gui_t *gui, multiline_text_t *text, int16_t x,
+                                 int16_t y);
+
+uint16_t gui_text_view_get_lines_scrolled(component_t *component);
 
 void gui_text_view_scroll(component_t *text_view, int32_t x, int32_t y);
 void gui_text_view_reset_scroll(component_t *text_view);

@@ 81,6 81,11 @@ void gui_text_view_full_scroll(component_t *text_view) {
   text_view->y = INT16_MIN; 
 }
 
+uint16_t gui_text_view_get_lines_scrolled(component_t *component) {
+  multiline_text_t *text = (multiline_text_t *)component->state;
+  return (-component->y) / (text->font->size + text->font->line_spacing);
+}
+
 void gui_text_view_render(container_t *container, component_t *component,
                           gui_t *gui) {
   multiline_text_t *text = (multiline_text_t*)component->state;

@@ 1,5 1,6 @@
 #include "font.h"
 #include "mzapo_led_strip.h"
+#include "mzapo_rgb_led.h"
 #include "nonblocking_io.h"
 #include "serialize_lock.h"
 #include <stdio.h>


@@ 32,17 33,22 @@ int main(int argc, char *argv[]) {
     }
   }
 
+  mzapo_rgb_led_t rgb_leds = mzapo_create_rgb_led();
+  rgb_led_clear(&rgb_leds, LED_LEFT);
+  rgb_led_clear(&rgb_leds, LED_RIGHT);
+
   if (argc < 2) {
     logger_info(&logger, __FILE__, __FUNCTION__, __LINE__, "Not enough arguments");
+    rgb_led_set_red(&rgb_leds, LED_LEFT);
   }
 
   display_t display = mzapo_create_display();
-  mzapo_rgb_led_t rgb_leds = mzapo_create_rgb_led();
   mzapo_ledstrip_t ledstrip = mzapo_create_ledstrip();
   void* knobs = mzapo_get_knobs_address();
 
   if (!mzapo_check_pheripherals(&ledstrip, &rgb_leds, &display, &knobs)) {
     logger_error(&logger, __FILE__, __FUNCTION__, __LINE__, "Could not initialize some of the pheripherals.");
+    rgb_led_set_red(&rgb_leds, LED_LEFT);
   }
 
   mzapo_pheripherals_t pheripherals = mzapo_pheripherals_create(&ledstrip, &rgb_leds, &display, &knobs);


@@ 58,6 64,7 @@ int main(int argc, char *argv[]) {
   if (error != FILER_SUCCESS) {
     logger_error(&logger, __FILE__, __FUNCTION__, __LINE__, "Could not load file.");
     return 1;
+    rgb_led_set_red(&rgb_leds, LED_RIGHT);
   }
 
   file_set_nonblocking(STDIN_FILENO, &oldstdin);