/**
* @brief Renders a text widget.
*
* @param txt Text widget to render.
* @param bx Base X position.
* @param by Base Y position.
*/
static void txt_render( Widget* txt, double bx, double by )
{
/* Must have text to display. */
if (txt->dat.txt.text==NULL)
return;
if (txt->dat.txt.centered)
gl_printMidRaw( txt->dat.txt.font, txt->w,
bx + (double)SCREEN_W/2. + txt->x,
by + (double)SCREEN_H/2. + txt->y,
txt->dat.txt.colour, txt->dat.txt.text );
else
gl_printTextRaw( txt->dat.txt.font, txt->w, txt->h,
bx + (double)SCREEN_W/2. + txt->x,
by + (double)SCREEN_H/2. + txt->y,
txt->dat.txt.colour, txt->dat.txt.text );
}
/**
* @brief Prints a block of text that fits in the dimensions given.
*
* Positions are based on origin being top-left.
*
* @param ft_font Font to use (NULL defaults to gl_defFont).
* @param width Maximum width to print to.
* @param height Maximum height to print to.
* @param bx X position to display text at.
* @param by Y position to display text at.
* @param c Colour to use (NULL defaults to white).
* @param fmt Text to display formatted like printf.
* @return 0 on success.
* prints text with line breaks included to a maximum width and height preset
*/
int gl_printText( const glFont *ft_font,
const int width, const int height,
double bx, double by,
const glColour* c, const char *fmt, ... )
{
/*float h = ft_font->h / .63;*/ /* slightly increase fontsize */
char text[4096]; /* holds the string */
va_list ap;
if (fmt == NULL) return -1;
else { /* convert the symbols to text */
va_start(ap, fmt);
vsnprintf(text, 4096, fmt, ap);
va_end(ap);
}
return gl_printTextRaw( ft_font, width, height, bx, by, c, text );
}
/**
* @brief Renders a input widget.
*
* @param inp Input widget to render.
* @param bx Base X position.
* @param by Base Y position.
*/
static void inp_render( Widget* inp, double bx, double by )
{
double x, y, ty;
char buf[ PATH_MAX ];
int w;
int m;
x = bx + inp->x;
y = by + inp->y;
/* main background */
toolkit_drawRect( x, y, inp->w, inp->h, &cWhite, NULL );
/* center vertically */
if (inp->dat.inp.oneline)
ty = y - (inp->h - gl_smallFont.h)/2.;
else {
WARN("Multi-line input widgets unsupported atm.");
return;
}
/* Draw text. */
gl_printTextRaw( inp->dat.inp.font, inp->w-10., inp->h,
x+5., ty, &cBlack, &inp->dat.inp.input[ inp->dat.inp.view ] );
/* Draw cursor. */
if (wgt_isFlag( inp, WGT_FLAG_FOCUSED )) {
m = MIN( inp->dat.inp.pos - inp->dat.inp.view, PATH_MAX-1 );
strncpy( buf, &inp->dat.inp.input[ inp->dat.inp.view ], m );
buf[ m ] = '\0';
w = gl_printWidthRaw( inp->dat.inp.font, buf );
toolkit_drawRect( x+5.+w, y + (inp->h - inp->dat.inp.font->h - 4.)/2.,
1., inp->dat.inp.font->h + 4., &cBlack, &cBlack );
}
/* inner outline */
toolkit_drawOutline( x, y, inp->w, inp->h, 0.,
toolkit_colLight, toolkit_col );
/* outter outline */
toolkit_drawOutline( x, y, inp->w, inp->h, 1.,
toolkit_colDark, NULL );
}
/**
* @brief Prints a block of text on the screen.
*
* @usage gfx.printText( true, 100, 50, 50, 100, 100, col ) -- Displays a 100x100 block of text
*
* @luaparam small Whether or not to use a small font.
* @luaparam str String to print.
* @luaparam x X position to print at.
* @luaparam y Y position to print at.
* @luaparam w Width of the block of text.
* @luaparam h Height of the block of text.
* @luaparam col Colour to print text.
* @luafunc printText( small, str, x, y, w, h, col )
*/
static int gfxL_printText( lua_State *L )
{
glFont *font;
const char *str;
int w, h;
double x, y;
LuaColour *lc;
/* Parse parameters. */
font = lua_toboolean(L,1) ? &gl_smallFont : &gl_defFont;
str = luaL_checkstring(L,2);
x = luaL_checknumber(L,3);
y = luaL_checknumber(L,4);
w = luaL_checkinteger(L,5);
h = luaL_checkinteger(L,6);
lc = luaL_checkcolour(L,7);
/* Render. */
gl_printTextRaw( font, w, h, x, y, &lc->col, str );
return 0;
}
/**
* @brief Draws an alt text.
*
* @param bx X position to draw at.
* @param by Y position to draw at.
* @param alt Text to draw.
*/
void toolkit_drawAltText( int bx, int by, const char *alt )
{
double w, h;
double x, y, o;
glColour c;
glColour c2;
/* Get dimensions. */
w = 160.;
h = gl_printHeightRaw( &gl_smallFont, w, alt );
/* One check to make bigger. */
if (h > 160.) {
w = 200;
h = gl_printHeightRaw( &gl_smallFont, w, alt );
}
/* Choose position. */
x = bx + 10.;
y = by - h - gl_smallFont.h - 10.;
if (y < -SCREEN_H/2+10) {
o = -(SCREEN_H/2 + y) + 10;
y += o;
}
/* Set colours. */
c.r = cGrey80.r;
c.g = cGrey80.g;
c.b = cGrey80.b;
c.a = 0.8;
c2.r = cGrey30.r;
c2.g = cGrey30.g;
c2.b = cGrey30.b;
c2.a = 0.7;
toolkit_drawRect( x-1, y-5, w+6, h+6, &c2, NULL );
toolkit_drawRect( x-3, y-3, w+6, h+6, &c, NULL );
gl_printTextRaw( &gl_smallFont, w, h, x+SCREEN_W/2, y+SCREEN_H/2, &cBlack, alt );
}