void GLUI_Control::draw_bkgd_box( int x_min, int x_max, int y_min, int y_max )
{
set_to_bkgd_color();
glBegin( GL_QUADS );
glVertex2i( x_min, y_min ); glVertex2i( x_max, y_min );
glVertex2i( x_max, y_max ); glVertex2i( x_min, y_max );
glEnd();
}
void GLUI_StaticText::erase_text( void )
{
if ( NOT can_draw() )
return;
set_to_bkgd_color();
glDisable( GL_CULL_FACE );
glBegin( GL_TRIANGLES );
glVertex2i( 0,0 ); glVertex2i( w, 0 ); glVertex2i( w, h );
glVertex2i( 0, 0 ); glVertex2i( w, h ); glVertex2i( 0, h );
glEnd();
}
void GLUI_Translation::draw_2d_arrow( int radius, int filled, int orientation )
{
float x1 = .2, x2 = .4, y1 = .54, y2 = .94, y0;
float x1a, x1b;
vec3 col1( 0.0, 0.0, 0.0 ), col2( .45, .45, .45 ),
col3( .7, .7, .7 ), col4( 1.0, 1.0, 1.0 );
vec3 c1, c2, c3, c4, c5, c6;
vec3 white(1.0,1.0,1.0), black(0.0,0.0,0.0), gray(.45,.45,.45),
bkgd(.7,.7,.7);
int c_off; /* color index offset */
if ( glui )
bkgd.set(glui->bkgd_color_f[0],
glui->bkgd_color_f[1],
glui->bkgd_color_f[2]);
/* bkgd[0] = 255.0; bkgd[1] = 0; */
/** The following 8 colors define the shading of an octagon, in
clockwise order, starting from the upstroke on the left **/
/** This is for an outside and inside octagons **/
vec3 colors_out[]={white, white, white, gray, black, black, black, gray};
vec3 colors_in[] ={bkgd,white,bkgd,gray,gray,gray,gray,gray};
#define SET_COL_OUT(i) glColor3fv((float*) &colors_out[(i)%8][0]);
#define SET_COL_IN(i) glColor3fv((float*) &colors_in[(i)%8][0]);
x1 = (float)radius * .2;
x2 = x1 * 2;
y1 = (float)radius * .54;
y2 = y1 + x2;
x1a = x1;
x1b = x1;
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
#define DRAW_SEG( xa,ya,xb,yb ) glVertex2f(xa,ya); glVertex2f(xb,yb);
glScalef( -1.0, 1.0, 1.0 );
if ( orientation == 2 ) {
c_off = 4;
}
else if ( orientation == 0 ) {
c_off = 0;
glRotatef( 180.0, 0.0, 0.0, 1.0 );
}
else if ( orientation == 1 ) {
c_off = 2;
glRotatef( 90.0, 0.0, 0.0, 1.0 );
}
else if ( orientation == 3 ) {
c_off = 6;
glRotatef( -90.0, 0.0, 0.0, 1.0 );
}
if ( trans_type == GLUI_TRANSLATION_Z )
y0 = 0.0;
else if ( trans_type == GLUI_TRANSLATION_XY )
y0 = x1;
else
y0 = 0.0;
if ( trans_type == GLUI_TRANSLATION_Z ) {
if ( orientation == 0 ) {
y1 += 2.0;
y2 += 0.0;
x1b -= 2.0;
x2 -= 2.0;
x1a += 2.0;
}
else if ( orientation == 2 ) {
y1 -= 6.0;
x1a += 2.0;
x1b += 4.0;
x2 += 6.0;
}
}
/*** Fill in inside of arrow ***/
if ( NOT filled ) { /*** Means button is up - control is not clicked ***/
/*glColor3f( .8, .8, .8 ); */
set_to_bkgd_color();
glColor3f( bkgd[0]+.07, bkgd[1]+.07, bkgd[2]+.07 );
}
else { /*** Button is down on control ***/
glColor3f( .6, .6, .6 );
c_off += 4; /* Indents the shadows - goes from a raised look to embossed */
}
/*** Check if control is enabled or not ***/
if ( NOT enabled ) {
set_to_bkgd_color();
/*c_off += 4; -- Indents the shadows - goes from a raised look to embossed */
colors_out[0] = colors_out[1] = colors_out[2] = colors_out[7] = gray;
colors_out[3] = colors_out[4] = colors_out[5] = colors_out[6] = white;
colors_in[0] = colors_in[1] = colors_in[2] = colors_in[7] = white;
colors_in[3] = colors_in[4] = colors_in[5] = colors_in[6] = gray;
}
glBegin( GL_POLYGON );
glVertex2f( 0.0, 0.0 ); glVertex2f( -x1a, 0.0 );
glVertex2f( -x1a, 0.0 ); glVertex2f( -x1b, y1 );
glVertex2f( x1b, y1); glVertex2f( x1a, 0.0 );
glVertex2f( x1a, 0.0 ); glVertex2f( 0.0, 0.0 );
glEnd();
glBegin( GL_TRIANGLES );
glVertex2f( -x2, y1 ); glVertex2f( 0.0, y2 ); glVertex2f( x2, y1 );
glEnd();
glLineWidth( 1.0 );
/*** Draw arrow outline ***/
glBegin( GL_LINES );
SET_COL_IN(1+c_off); DRAW_SEG( 0.0, y2-1.0, -x2, y1-1.0 );
SET_COL_IN(6+c_off); DRAW_SEG( -x2+2.0, y1+1.0, -x1b+1.0, y1+1.0 );
SET_COL_IN(0+c_off); DRAW_SEG( -x1b+1.0, y1+1.0, -x1a+1.0, y0 );
SET_COL_IN(3+c_off); DRAW_SEG( 0.0, y2-1.0, x2, y1-1.0 );
SET_COL_IN(6+c_off); DRAW_SEG( x2-1.0, y1+1.0, x1b-1.0, y1+1.0 );
SET_COL_IN(4+c_off); DRAW_SEG( x1b-1.0, y1+1.0, x1a-1.0, y0 );
SET_COL_OUT(0+c_off); DRAW_SEG( -x1a, y0, -x1b, y1 );
SET_COL_OUT(6+c_off); DRAW_SEG( -x1b, y1, -x2, y1 );
SET_COL_OUT(1+c_off); DRAW_SEG( -x2, y1, 0.0, y2 );
SET_COL_OUT(3+c_off); DRAW_SEG( 0.0, y2, x2, y1 );
SET_COL_OUT(6+c_off); DRAW_SEG( x2, y1, x1b, y1 );
SET_COL_OUT(4+c_off); DRAW_SEG( x1b, y1, x1a, y0 );
glEnd();
#undef DRAW_SEG
glPopMatrix();
}
void GLUI_EditText::draw_text( int x, int y )
{
GLUI_DRAWINGSENTINAL_IDIOM
int text_x, i, sel_lo, sel_hi;
if ( debug ) dump( stdout, "-> DRAW_TEXT" );
if ( NOT draw_text_only ) {
if ( enabled )
glColor3f( 1., 1., 1. );
else
set_to_bkgd_color();
glDisable( GL_CULL_FACE );
glBegin( GL_QUADS );
glVertex2i( text_x_offset+2, 2 ); glVertex2i( w-2, 2 );
glVertex2i( w-2, h-2 ); glVertex2i( text_x_offset+2, h-2 );
glEnd();
}
/** Find where to draw the text **/
text_x = text_x_offset + 2 + GLUI_EDITTEXT_BOXINNERMARGINX;
/*printf( "text_x: %d substr_width: %d start/end: %d/%d\n",
text_x, substring_width( substring_start, substring_end ),
substring_start, substring_end );
*/
/** Find lower and upper selection bounds **/
sel_lo = MIN(sel_start, sel_end );
sel_hi = MAX(sel_start, sel_end );
int sel_x_start, sel_x_end, delta;
/** Draw selection area dark **/
if ( sel_start != sel_end ) {
sel_x_start = text_x;
sel_x_end = text_x;
for( i=substring_start; i<=substring_end; i++ ) {
delta = char_width( text[i] );
if ( i < sel_lo ) {
sel_x_start += delta;
sel_x_end += delta;
}
else if ( i < sel_hi ) {
sel_x_end += delta;
}
}
glColor3f( 0.0f, 0.0f, .6f );
glBegin( GL_QUADS );
glVertex2i( sel_x_start, 2 ); glVertex2i( sel_x_end, 2 );
glVertex2i( sel_x_end, h-2 ); glVertex2i( sel_x_start, h-2 );
glEnd();
}
if ( sel_start == sel_end ) { /* No current selection */
if ( enabled )
glColor3b( 0, 0, 0 );
else
glColor3b( 32, 32, 32 );
glRasterPos2i( text_x, 13);
for( i=substring_start; i<=substring_end; i++ ) {
glutBitmapCharacter( get_font(), this->text[i] );
}
}
else { /* There is a selection */
int x = text_x;
for( i=substring_start; i<=substring_end; i++ ) {
if ( IN_BOUNDS( i, sel_lo, sel_hi-1)) { /* This character is selected */
glColor3f( 1., 1., 1. );
glRasterPos2i( x, 13);
glutBitmapCharacter( get_font(), this->text[i] );
}
else {
glColor3f( 0., 0., 0. );
glRasterPos2i( x, 13);
glutBitmapCharacter( get_font(), this->text[i] );
}
x += char_width( text[i] );
}
}
if ( debug ) dump( stdout, "<- DRAW_TEXT" );
}
