// calculate new output values
int uiStep(u8g_t *u8g)
{
int key = u8g_sdl_get_key();
switch( key )
{
case ' ':
return 1;
case 273:
case 'x':
if ( cursor_y >= 0 + uiIncrement )
cursor_y -= uiIncrement;
return 1;
case 274:
case 's':
if ( cursor_y <= u8g_GetHeight(u8g) - uiIncrement )
cursor_y += uiIncrement;
return 1;
case 276:
case 'c':
if ( cursor_x >= 0 + uiIncrement )
cursor_x -= uiIncrement;
return 1;
case 275:
case 'v':
if ( cursor_x <= u8g_GetWidth(u8g) - uiIncrement )
cursor_x += uiIncrement;
return 1;
case 'q':
exit(0);
}
return 0;
}
// Lua: height = u8g.getHeight( self )
static int lu8g_getHeight( lua_State *L )
{
lu8g_userdata_t *lud;
if ((lud = get_lud( L )) == NULL)
return 0;
lua_pushinteger( L, u8g_GetHeight( LU8G ) );
return 1;
}
/* update local information */
static void m2_u8g_update(void)
{
m2_u8g_dev_variables.m2_u8g_height_minus_one = u8g_GetHeight(m2_u8g_dev_variables.m2_u8g);
m2_u8g_dev_variables.m2_u8g_height_minus_one--;
/* force lower left edge of a text as reference */
u8g_SetFontPosBottom(m2_u8g_dev_variables.m2_u8g);
m2_u8g_dev_variables.m2_u8g_fg_text_color = u8g_GetDefaultForegroundColor(m2_u8g_dev_variables.m2_u8g);
m2_u8g_dev_variables.m2_u8g_bg_text_color = u8g_GetDefaultBackgroundColor(m2_u8g_dev_variables.m2_u8g);
m2_u8g_dev_variables.m2_u8g_current_text_color = m2_u8g_dev_variables.m2_u8g_fg_text_color;
m2_u8g_dev_variables.m2_u8g_draw_color = u8g_GetDefaultForegroundColor(m2_u8g_dev_variables.m2_u8g);
}
void draw_url(void)
{
u8g_SetFont(&u8g, u8g_font_4x6);
if ( u8g_GetHeight(&u8g) < 59 )
{
u8g_DrawStr(&u8g, 53,9,"code.google.com");
u8g_DrawStr(&u8g, 77,18,"/p/u8glib");
}
else
{
u8g_DrawStr(&u8g, 1,54,"code.google.com/p/u8glib");
}
}
void draw_color_box1(void)
{
u8g_uint_t w,h;
u8g_uint_t r, g, b;
w = u8g_GetWidth(&u8g)/64;
h = u8g_GetHeight(&u8g)/32;
for( b = 0; b < 4; b++ )
for( g = 0; g < 16; g++ )
for( r = 0; r < 32; r++ )
{
u8g_SetRGB(&u8g, r<<3, g<<4, b<<6);
u8g_DrawBox(&u8g, g*w + b*w*16, r*h, w, h);
}
}
void draw_color_box2(void)
{
u8g_uint_t w,h;
u8g_uint_t r, g, b;
b = 1;
w = u8g_GetWidth(&u8g)/64;
h = u8g_GetHeight(&u8g)/32;
for( g = 0; g < 16; g++ )
for( r = 0; r < 32; r++ )
{
u8g_SetRGB(&u8g, r<<3, g<<4, b<<6);
u8g_DrawBox(&u8g, g*w + 0*w*16, r*h, w, h);
u8g_DrawBox(&u8g, (16-1-g)*w + 1*w*16, r*h, w, h);
u8g_DrawBox(&u8g, g*w + 2*w*16, r*h, w, h);
u8g_DrawBox(&u8g, (16-1-g)*w + 3*w*16, r*h, w, h);
}
}
static void pg_hline(pg_struct *pg, u8g_t *u8g)
{
pg_word_t x1, x2, y;
x1 = pg->pge[PG_LEFT].current_x;
x2 = pg->pge[PG_RIGHT].current_x;
y = pg->pge[PG_RIGHT].current_y;
if ( y < 0 )
return;
if ( y >= u8g_GetHeight(u8g) )
return;
if ( x1 < x2 )
{
if ( x2 < 0 )
return;
if ( x1 >= u8g_GetWidth(u8g) )
return;
if ( x1 < 0 )
x1 = 0;
if ( x2 >= u8g_GetWidth(u8g) )
x2 = u8g_GetWidth(u8g);
u8g_DrawHLine(u8g, x1, y, x2 - x1);
}
else
{
if ( x1 < 0 )
return;
if ( x2 >= u8g_GetWidth(u8g) )
return;
if ( x2 < 0 )
x1 = 0;
if ( x1 >= u8g_GetWidth(u8g) )
x1 = u8g_GetWidth(u8g);
u8g_DrawHLine(u8g, x2, y, x1 - x2);
}
}
uint8_t m2_gh_u8g_cffs(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_color_box(arg->x+1, arg->y+1, arg->w-2, arg->h-2, m2_u8g_highlight_bg_color);
m2_u8g_draw_color_frame_shadow(arg->x+m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size, arg->h, m2_u8g_highlight_frame_color, m2_u8g_highlight_shadow_color);
}
m2_u8g_dev_variables.m2_u8g_current_text_color = m2_u8g_dev_variables.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_dev_variables.m2_u8g_current_text_color = m2_u8g_dev_variables.m2_u8g_fg_text_color;
m2_u8g_draw_color_box(arg->x+1, arg->y+1, arg->w-2, arg->h-2, m2_u8g_highlight_focus_bg_color);
m2_u8g_draw_color_frame_shadow(arg->x+m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size, arg->h, m2_u8g_highlight_focus_frame_color, m2_u8g_highlight_focus_shadow_color);
// m2_gh_u8g_invert_at_depth = m2_gh_u8g_current_depth;
}
else
{
/*
normal version
draw only the frame with shadow
*/
m2_u8g_dev_variables.m2_u8g_current_text_color = m2_u8g_dev_variables.m2_u8g_fg_text_color;
m2_u8g_draw_color_box(arg->x+1, arg->y+1, arg->w-2, arg->h-2, m2_u8g_normal_focus_bg_color);
m2_u8g_draw_color_frame_shadow(arg->x+m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size, arg->y, arg->w-2*m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size, arg->h, m2_u8g_normal_focus_frame_color, m2_u8g_normal_focus_shadow_color);
}
// 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_color_box(arg->x, arg->y, arg->w, arg->h, m2_u8g_fg_text_color);
*/
m2_u8g_dev_variables.m2_u8g_current_text_color = m2_u8g_dev_variables.m2_u8g_fg_text_color;
m2_u8g_draw_color_box(arg->x, arg->y, arg->w, arg->h, m2_u8g_small_focus_bg_color);
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_color_box(arg->x, arg->y, arg->w, arg->h/2, m2_u8g_exit_data_entry_color);
break;
case M2_GFX_MSG_GET_NORMAL_BORDER_HEIGHT:
return 3;
case M2_GFX_MSG_GET_NORMAL_BORDER_WIDTH:
return 3+2*m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size+2*m2_u8g_dev_variables.m2_gh_u8g_additional_text_border_x_size;
case M2_GFX_MSG_GET_NORMAL_BORDER_X_OFFSET:
return 1+m2_u8g_dev_variables.m2_gh_u8g_invisible_frame_border_x_size+m2_u8g_dev_variables.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 */
case M2_GFX_MSG_START:
u8g_SetColorIndex(m2_u8g_dev_variables.m2_u8g, m2_u8g_background_color);
u8g_DrawBox(m2_u8g_dev_variables.m2_u8g, 0, 0, u8g_GetWidth(m2_u8g_dev_variables.m2_u8g), u8g_GetHeight(m2_u8g_dev_variables.m2_u8g));
break;
}
return m2_gh_u8g_base(arg);
}
