msg box 8x8

csrc/u8g2_input_value.c

@@ -117,13 +117,11 @@ uint8_t u8g2_UserInterfaceInputValue(u8g2_t *u8g2, const char *title, const char
       if ( event == U8X8_MSG_GPIO_MENU_SELECT )
       {
 	*value = local_value;
-	r = 1;
-	return r;
+	return 1;
       }
       else if ( event == U8X8_MSG_GPIO_MENU_HOME )
       {
-	r = 0;
-	return r;
+	return 0;
       }
       else if ( event == U8X8_MSG_GPIO_MENU_NEXT || event == U8X8_MSG_GPIO_MENU_UP )
       {

csrc/u8g2_message.c

@@ -171,7 +171,7 @@ uint8_t u8g2_UserInterfaceMessage(u8g2_t *u8g2, const char *title1, const char *
 	    if ( event == U8X8_MSG_GPIO_MENU_SELECT )
 	      return cursor+1;
 	    else if ( event == U8X8_MSG_GPIO_MENU_HOME )
-	      break;
+	      return 0;
 	    else if ( event == U8X8_MSG_GPIO_MENU_NEXT || event == U8X8_MSG_GPIO_MENU_DOWN )
 	    {
 	      cursor++;

csrc/u8x8_message.c

@@ -132,14 +132,14 @@ uint8_t u8x8_UserInterfaceMessage(u8x8_t *u8x8, const char *title1, const char *
       return cursor+1;
     else if ( event == U8X8_MSG_GPIO_MENU_HOME )
       break;
-    else if ( event == U8X8_MSG_GPIO_MENU_NEXT )
+    else if ( event == U8X8_MSG_GPIO_MENU_NEXT || event == U8X8_MSG_GPIO_MENU_UP )
     {
       cursor++;
       if ( cursor >= button_cnt )
 	cursor = 0;
       u8x8_draw_button_line(u8x8, y, u8x8_GetCols(u8x8), cursor, buttons);
     }
-    else if ( event == U8X8_MSG_GPIO_MENU_PREV )
+    else if ( event == U8X8_MSG_GPIO_MENU_PREV || event == U8X8_MSG_GPIO_MENU_DOWN  )
     {
       if ( cursor == 0 )
 	cursor = button_cnt;

sys/sdl/message_box_8x8/Makefile

@@ -0,0 +1,12 @@
+CFLAGS = -g -Wall -I../../../csrc/.  `sdl-config --cflags`
+
+SRC = $(shell ls ../../../csrc/*.c) $(shell ls ../common/*.c ) main.c 
+
+OBJ = $(SRC:.c=.o)
+
+helloworld: $(OBJ) 
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) `sdl-config --libs` -o u8g2_sdl
+
+clean:	
+	-rm $(OBJ) u8g2_sdl
+

sys/sdl/message_box_8x8/main.c

@@ -0,0 +1,25 @@
+/*
+  Example for the 
+      u8x8_UserInterfaceMessage
+  procedure.
+  
+*/
+
+
+#include "u8x8.h"
+
+u8x8_t u8x8;
+
+
+int main(void)
+{
+  u8x8_Setup_SDL_128x64(&u8x8);
+  u8x8_InitDisplay(&u8x8);  
+
+  u8x8_SetFont(&u8x8, u8x8_font_amstrad_cpc_extended_f);
+  
+  u8x8_UserInterfaceMessage(&u8x8, "title1", "title2", "title3", "Yes\nNo");
+
+  return 0;
+}
+