uint8_t m2_gh_u8g_fb(m2_gfx_arg_p arg)
{
switch(arg->msg)
{
case M2_GFX_MSG_DRAW_NORMAL_NO_FOCUS:
if ( (arg->font & 4) != 0 )
{
m2_u8g_current_text_color = m2_u8g_bg_text_color;
m2_u8g_draw_box(arg->x+m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_gh_u8g_invisible_frame_border_x_size, arg->h);
}
else
{
m2_u8g_current_text_color = m2_u8g_fg_text_color;
}
break;
case M2_GFX_MSG_DRAW_NORMAL_FOCUS:
case M2_GFX_MSG_DRAW_NORMAL_PARENT_FOCUS:
if ( (arg->font & 4) != 0 )
{
m2_u8g_current_text_color = m2_u8g_fg_text_color;
m2_u8g_draw_frame(arg->x+m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_gh_u8g_invisible_frame_border_x_size, arg->h);
}
else
{
m2_u8g_current_text_color = m2_u8g_fg_text_color;
m2_u8g_draw_frame(arg->x, arg->y, arg->w, arg->h);
}
break;
case M2_GFX_MSG_DRAW_SMALL_FOCUS:
m2_u8g_current_text_color = m2_u8g_bg_text_color;
m2_u8g_draw_box(arg->x, arg->y, arg->w, arg->h);
break;
case M2_GFX_MSG_DRAW_GO_UP:
/* does not work because of missing xor...
also: can not be fixed with FRAME_DRAW_AT_END
m2_u8g_current_text_color = m2_u8g_bg_text_color; */
m2_u8g_draw_box(arg->x, arg->y, arg->w, arg->h/2);
break;
case M2_GFX_MSG_GET_NORMAL_BORDER_HEIGHT:
return 2;
case M2_GFX_MSG_GET_NORMAL_BORDER_WIDTH:
if ( (arg->font & 4) != 0 )
return 2+2*m2_gh_u8g_invisible_frame_border_x_size+2*m2_gh_u8g_additional_text_border_x_size;
return 2*m2_gh_u8g_additional_text_border_x_size;
case M2_GFX_MSG_GET_NORMAL_BORDER_X_OFFSET:
if ( (arg->font & 4) != 0 )
return 1+m2_gh_u8g_invisible_frame_border_x_size+m2_gh_u8g_additional_text_border_x_size;
return m2_gh_u8g_additional_text_border_x_size;
case M2_GFX_MSG_GET_NORMAL_BORDER_Y_OFFSET:
return 1;
case M2_GFX_MSG_GET_LIST_OVERLAP_HEIGHT:
return 0;
case M2_GFX_MSG_GET_LIST_OVERLAP_WIDTH:
return 0;
case M2_GFX_MSG_IS_FRAME_DRAW_AT_END:
return 0; /* focus (highlight) is drawn first, then the text string */
}
return m2_gh_u8g_base(arg);
}
uint8_t m2_gh_u8g_base(m2_gfx_arg_p arg)
{
/* Do a safety check here: Abort if m2_SetU8g has not been called */
if ( m2_u8g_dev_variables.m2_u8g == NULL )
return 0;
/* Proceed with normal message processing */
switch(arg->msg)
{
case M2_GFX_MSG_INIT:
break;
case M2_GFX_MSG_START:
/* check for proper setup */
break;
case M2_GFX_MSG_END:
break;
case M2_GFX_MSG_DRAW_HLINE:
u8g_DrawHLine(m2_u8g_dev_variables.m2_u8g, arg->x, m2_u8g_dev_variables.m2_u8g_height_minus_one - arg->y, arg->w);
break;
case M2_GFX_MSG_DRAW_VLINE:
u8g_DrawVLine(m2_u8g_dev_variables.m2_u8g, arg->x, m2_u8g_dev_variables.m2_u8g_height_minus_one - arg->y, arg->h);
break;
case M2_GFX_MSG_DRAW_BOX:
m2_u8g_draw_box(arg->x, arg->y, arg->w, arg->h);
break;
case M2_GFX_MSG_DRAW_TEXT:
{
u8g_uint_t x = arg->x;
u8g_uint_t y;
u8g_SetColorIndex(m2_u8g_dev_variables.m2_u8g, m2_u8g_dev_variables.m2_u8g_current_text_color);
u8g_SetFont(m2_u8g_dev_variables.m2_u8g, m2_u8g_get_font(arg->font));
u8g_SetFontPosBottom(m2_u8g_dev_variables.m2_u8g);
if ( (arg->font & 8) != 0 )
{
if ( arg->w != 0 )
{
x = arg->w;
x -= u8g_GetStrWidth(m2_u8g_dev_variables.m2_u8g, arg->s);
x >>= 1;
x += arg->x;
}
}
y = m2_u8g_dev_variables.m2_u8g_height_minus_one;
y -= arg->y;
y++; /* 13 Jan 2013: Issue 95, problem 2 */
x -= u8g_GetStrX(m2_u8g_dev_variables.m2_u8g, arg->s);
//x += m2_gh_u8g_additional_text_border_x_size;
u8g_DrawStr(m2_u8g_dev_variables.m2_u8g, x, y, arg->s);
// printf("DRAW_TEXT: x=%d y=%d s=%s\n", x, y, arg->s);
}
break;
case M2_GFX_MSG_DRAW_TEXT_P:
{
u8g_uint_t x = arg->x;
u8g_uint_t y;
u8g_SetColorIndex(m2_u8g_dev_variables.m2_u8g, m2_u8g_dev_variables.m2_u8g_current_text_color);
u8g_SetFont(m2_u8g_dev_variables.m2_u8g, m2_u8g_get_font(arg->font));
u8g_SetFontPosBottom(m2_u8g_dev_variables.m2_u8g);
if ( (arg->font & 8) != 0 )
{
if ( arg->w != 0 )
{
x = arg->w;
x -= u8g_GetStrWidthP(m2_u8g_dev_variables.m2_u8g, (const u8g_pgm_uint8_t *)arg->s);
x >>= 1;
x += arg->x;
}
}
y = m2_u8g_dev_variables.m2_u8g_height_minus_one;
y -= arg->y;
x -= u8g_GetStrXP(m2_u8g_dev_variables.m2_u8g, (const u8g_pgm_uint8_t *)arg->s);
//x += m2_gh_u8g_additional_text_border_x_size;
y++; /* 13 Jan 2013: Issue 95, problem 2 */
u8g_DrawStrP(m2_u8g_dev_variables.m2_u8g, x, y, (const u8g_pgm_uint8_t *)arg->s);
}
uint8_t m2_gh_u8g_ffs(m2_gfx_arg_p arg)
{
switch(arg->msg)
{
case M2_GFX_MSG_DRAW_NORMAL_NO_FOCUS:
if ( (arg->font & 4) != 0 )
{
/* highlight flag is set, draw frame with shadow */
m2_u8g_draw_frame_shadow(arg->x+m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_gh_u8g_invisible_frame_border_x_size, arg->h);
}
m2_u8g_current_text_color = m2_u8g_fg_text_color;
if ( m2_gh_u8g_invert_at_depth < m2_gh_u8g_current_depth )
{
m2_u8g_current_text_color = m2_u8g_bg_text_color;
}
break;
case M2_GFX_MSG_DRAW_NORMAL_PARENT_FOCUS:
break;
case M2_GFX_MSG_DRAW_NORMAL_FOCUS:
if ( (arg->font & 4) != 0 )
{
/*
highlight version
draw frame with shadow together with a filled box
*/
m2_u8g_current_text_color = m2_u8g_bg_text_color;
m2_u8g_draw_box(arg->x+1, arg->y+1, arg->w-2, arg->h-2);
m2_u8g_draw_frame_shadow(arg->x+m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_gh_u8g_invisible_frame_border_x_size, arg->h);
m2_gh_u8g_invert_at_depth = m2_gh_u8g_current_depth;
}
else
{
/*
normal version
draw only the frame with shadow
*/
m2_u8g_current_text_color = m2_u8g_fg_text_color;
m2_u8g_draw_frame_shadow(arg->x+m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_gh_u8g_invisible_frame_border_x_size, arg->h);
}
// printf("invert %d, width %d x:%d y:%d\n", m2_gh_u8g_invert_at_depth, arg->w, arg->x, arg->y);
break;
case M2_GFX_MSG_DRAW_SMALL_FOCUS:
m2_u8g_current_text_color = m2_u8g_bg_text_color;
m2_u8g_draw_box(arg->x, arg->y, arg->w, arg->h);
break;
case M2_GFX_MSG_DRAW_NORMAL_DATA_ENTRY:
m2_u8g_current_text_color = m2_u8g_fg_text_color;
u8g_DrawHLine(m2_u8g, arg->x, m2_u8g_height_minus_one - arg->y, arg->w);
break;
case M2_GFX_MSG_DRAW_SMALL_DATA_ENTRY:
m2_u8g_current_text_color = m2_u8g_fg_text_color;
u8g_DrawHLine(m2_u8g, arg->x, m2_u8g_height_minus_one - arg->y, arg->w);
break;
case M2_GFX_MSG_DRAW_GO_UP:
/* does not work because of missing xor...
also: can not be fixed with FRAME_DRAW_AT_END
m2_u8g_current_text_color = m2_u8g_bg_text_color; */
m2_u8g_draw_box(arg->x, arg->y, arg->w, arg->h/2);
break;
case M2_GFX_MSG_GET_NORMAL_BORDER_HEIGHT:
return 3;
case M2_GFX_MSG_GET_NORMAL_BORDER_WIDTH:
return 3+2*m2_gh_u8g_invisible_frame_border_x_size+2*m2_gh_u8g_additional_text_border_x_size;
case M2_GFX_MSG_GET_NORMAL_BORDER_X_OFFSET:
return 1+m2_gh_u8g_invisible_frame_border_x_size+m2_gh_u8g_additional_text_border_x_size;
case M2_GFX_MSG_GET_NORMAL_BORDER_Y_OFFSET:
return 2;
case M2_GFX_MSG_GET_LIST_OVERLAP_HEIGHT:
return 0;
case M2_GFX_MSG_GET_LIST_OVERLAP_WIDTH:
return 0;
case M2_GFX_MSG_IS_FRAME_DRAW_AT_END:
return 0; /* focus (highlight) is drawn first, then the text string */
}
return m2_gh_u8g_base(arg);
}
