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flightgear/PUI/puBox.cxx
1998-07-13 20:59:34 +00:00

319 lines
12 KiB
C++

#include "puLocal.h"
#define PU_BEVEL 5
#define PU_SMALL_BEVEL 2
#define PU_DFLT_OFFSET 8
#define PU_BOX_WIDTH 2
#define PU_DROPSHADOW_OFFSET 5
void puBox::extend ( puBox *bx )
{
if ( bx -> isEmpty () ) return ;
if ( min[0]>bx->min[0] ) min[0] = bx->min[0] ;
if ( min[1]>bx->min[1] ) min[1] = bx->min[1] ;
if ( max[0]<bx->max[0] ) max[0] = bx->max[0] ;
if ( max[1]<bx->max[1] ) max[1] = bx->max[1] ;
}
void puBox::draw ( int dx, int dy, int style, puColour colour[], int am_default )
{
int hi, mid, lo ;
/* Colour assignments */
switch ( style )
{
case PUSTYLE_NONE :
return ;
case PUSTYLE_PLAIN :
case PUSTYLE_DROPSHADOW :
mid = PUCOL_FOREGROUND ;
lo = PUCOL_BACKGROUND ;
break ;
case PUSTYLE_SMALL_SHADED :
case PUSTYLE_SHADED :
case PUSTYLE_SMALL_BEVELLED :
case PUSTYLE_BEVELLED :
case PUSTYLE_BOXED :
case PUSTYLE_SPECIAL_UNDERLINED :
mid = PUCOL_FOREGROUND ;
hi = PUCOL_HIGHLIGHT ;
lo = PUCOL_BACKGROUND ;
break ;
case PUSTYLE_RADIO :
case -PUSTYLE_RADIO :
hi = PUCOL_HIGHLIGHT ;
lo = PUCOL_BACKGROUND ;
break ;
case -PUSTYLE_PLAIN :
case -PUSTYLE_DROPSHADOW :
mid = PUCOL_HIGHLIGHT ;
lo = PUCOL_BACKGROUND ;
break ;
case -PUSTYLE_SMALL_BEVELLED :
case -PUSTYLE_BEVELLED :
case -PUSTYLE_SMALL_SHADED :
case -PUSTYLE_SHADED :
case -PUSTYLE_BOXED :
case -PUSTYLE_SPECIAL_UNDERLINED :
mid = PUCOL_FOREGROUND ;
hi = PUCOL_BACKGROUND ;
lo = PUCOL_HIGHLIGHT ;
break ;
default :
fprintf ( stderr, "PUI: Unrecognised 'style' %d\n", style ) ;
return ;
}
switch ( abs(style) )
{
case PUSTYLE_PLAIN :
glColor4fv ( colour [ mid ] ) ;
glRecti ( dx + min[0], dy + min[1],
dx + max[0], dy + max[1] ) ;
break ;
case PUSTYLE_SMALL_BEVELLED :
case PUSTYLE_SMALL_SHADED :
glColor4fv ( colour [ hi ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL, dy + min[1] + PU_SMALL_BEVEL ) ;
glVertex2i ( dx + min[0], dy + min[1] ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL, dy + max[1] - PU_SMALL_BEVEL ) ;
glVertex2i ( dx + min[0], dy + max[1] ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL, dy + max[1] - PU_SMALL_BEVEL ) ;
glVertex2i ( dx + max[0], dy + max[1] ) ;
glEnd () ;
glColor4fv ( colour [ lo ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0], dy + min[1] ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL, dy + min[1] + PU_SMALL_BEVEL ) ;
glVertex2i ( dx + max[0], dy + min[1] ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL, dy + min[1] + PU_SMALL_BEVEL ) ;
glVertex2i ( dx + max[0], dy + max[1] ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL, dy + max[1] - PU_SMALL_BEVEL ) ;
glEnd () ;
if ( abs(style) == PUSTYLE_SMALL_BEVELLED )
{
glColor4fv ( colour [ mid ] ) ;
glRecti ( dx + min[0] + PU_SMALL_BEVEL, dy + min[1] + PU_SMALL_BEVEL,
dx + max[0] - PU_SMALL_BEVEL, dy + max[1] - PU_SMALL_BEVEL ) ;
}
else
{
glShadeModel(GL_SMOOTH);
glBegin(GL_POLYGON);
glColor4fv( colour [ mid ] );
glVertex2i( dx + min[0] + PU_SMALL_BEVEL , dy + min[1] + PU_SMALL_BEVEL );
if(style==PUSTYLE_SMALL_SHADED)
glColor4f( colour [mid][0] + (colour[lo][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[lo][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[lo][2] - colour[mid][2])/2.0f,
colour [lo][3] );
else
glColor4f( colour [mid][0] + (colour[hi][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[hi][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[hi][2] - colour[mid][2])/2.0f,
colour [hi][3] );
glVertex2i( dx + min[0] + PU_SMALL_BEVEL , dy + max[1] - PU_SMALL_BEVEL );
glColor4fv( colour [ mid ] );
glVertex2i( dx + max[0] - PU_SMALL_BEVEL , dy + max[1] - PU_SMALL_BEVEL );
if(style==-PUSTYLE_SMALL_SHADED)
glColor4f( colour [mid][0] + (colour[lo][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[lo][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[lo][2] - colour[mid][2])/2.0f,
colour [lo][3] );
else
glColor4f( colour [mid][0] + (colour[hi][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[hi][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[hi][2] - colour[mid][2])/2.0f,
colour [hi][3] );
glVertex2i( dx + max[0] - PU_SMALL_BEVEL , dy + min[1] + PU_SMALL_BEVEL );
glEnd();
glShadeModel(GL_FLAT);
if(style == -PUSTYLE_SMALL_SHADED)
{
glColor4fv ( colour [ lo ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL , dy + min[1] + PU_SMALL_BEVEL ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL/2 , dy + min[1] + PU_SMALL_BEVEL/2 ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL , dy + max[1] - PU_SMALL_BEVEL ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL/2 , dy + max[1] - PU_SMALL_BEVEL/2 ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL , dy + max[1] - PU_SMALL_BEVEL ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL/2 , dy + max[1] - PU_SMALL_BEVEL/2 ) ;
glEnd () ;
glColor4fv ( colour [ hi ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL/2 , dy + min[1] + PU_SMALL_BEVEL/2 ) ;
glVertex2i ( dx + min[0] + PU_SMALL_BEVEL , dy + min[1] + PU_SMALL_BEVEL ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL/2 , dy + min[1] + PU_SMALL_BEVEL/2 ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL , dy + min[1] + PU_SMALL_BEVEL ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL/2 , dy + max[1] - PU_SMALL_BEVEL/2 ) ;
glVertex2i ( dx + max[0] - PU_SMALL_BEVEL , dy + max[1] - PU_SMALL_BEVEL ) ;
glEnd () ;
}
}
break ;
case PUSTYLE_BEVELLED :
case PUSTYLE_SHADED :
glColor4fv ( colour [ hi ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0] + PU_BEVEL, dy + min[1] + PU_BEVEL ) ;
glVertex2i ( dx + min[0], dy + min[1] ) ;
glVertex2i ( dx + min[0] + PU_BEVEL, dy + max[1] - PU_BEVEL ) ;
glVertex2i ( dx + min[0], dy + max[1] ) ;
glVertex2i ( dx + max[0] - PU_BEVEL, dy + max[1] - PU_BEVEL ) ;
glVertex2i ( dx + max[0], dy + max[1] ) ;
glEnd () ;
glColor4fv ( colour [ lo ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0], dy + min[1] ) ;
glVertex2i ( dx + min[0] + PU_BEVEL, dy + min[1] + PU_BEVEL ) ;
glVertex2i ( dx + max[0], dy + min[1] ) ;
glVertex2i ( dx + max[0] - PU_BEVEL, dy + min[1] + PU_BEVEL ) ;
glVertex2i ( dx + max[0], dy + max[1] ) ;
glVertex2i ( dx + max[0] - PU_BEVEL, dy + max[1] - PU_BEVEL ) ;
glEnd () ;
if ( abs(style) == PUSTYLE_BEVELLED )
{
glColor4fv ( colour [ mid ] ) ;
glRecti ( dx + min[0] + PU_BEVEL, dy + min[1] + PU_BEVEL,
dx + max[0] - PU_BEVEL, dy + max[1] - PU_BEVEL ) ;
}
else
{
glShadeModel(GL_SMOOTH);
glBegin(GL_POLYGON);
glColor4fv( colour [ mid ] );
glVertex2i( dx + min[0] + PU_BEVEL , dy + min[1] + PU_BEVEL );
if(style==PUSTYLE_SHADED)
glColor4f( colour [mid][0] + (colour[lo][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[lo][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[lo][2] - colour[mid][2])/2.0f,
colour [lo][3] );
else
glColor4f( colour [mid][0] + (colour[hi][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[hi][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[hi][2] - colour[mid][2])/2.0f,
colour [hi][3] );
glVertex2i( dx + min[0] + PU_BEVEL , dy + max[1] - PU_BEVEL );
glColor4fv( colour [ mid ] );
glVertex2i( dx + max[0] - PU_BEVEL , dy + max[1] - PU_BEVEL );
if(style==-PUSTYLE_SHADED)
glColor4f( colour [mid][0] + (colour[lo][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[lo][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[lo][2] - colour[mid][2])/2.0f,
colour [lo][3] );
else
glColor4f( colour [mid][0] + (colour[hi][0] - colour[mid][0])/2.0f,
colour [mid][1] + (colour[hi][1] - colour[mid][1])/2.0f,
colour [mid][2] + (colour[hi][2] - colour[mid][2])/2.0f,
colour [hi][3] );
glVertex2i( dx + max[0] - PU_BEVEL , dy + min[1] + PU_BEVEL );
glEnd();
glShadeModel(GL_FLAT);
if(style == -PUSTYLE_SHADED)
{
glColor4fv ( colour [ lo ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0] + PU_BEVEL , dy + min[1] + PU_BEVEL ) ;
glVertex2i ( dx + min[0] + PU_BEVEL/2 , dy + min[1] + PU_BEVEL/2 ) ;
glVertex2i ( dx + min[0] + PU_BEVEL , dy + max[1] - PU_BEVEL ) ;
glVertex2i ( dx + min[0] + PU_BEVEL/2 , dy + max[1] - PU_BEVEL/2 ) ;
glVertex2i ( dx + max[0] - PU_BEVEL , dy + max[1] - PU_BEVEL ) ;
glVertex2i ( dx + max[0] - PU_BEVEL/2 , dy + max[1] - PU_BEVEL/2 ) ;
glEnd () ;
glColor4fv ( colour [ hi ] ) ;
glBegin ( GL_QUAD_STRIP ) ;
glVertex2i ( dx + min[0] + PU_BEVEL/2 , dy + min[1] + PU_BEVEL/2 ) ;
glVertex2i ( dx + min[0] + PU_BEVEL , dy + min[1] + PU_BEVEL ) ;
glVertex2i ( dx + max[0] - PU_BEVEL/2 , dy + min[1] + PU_BEVEL/2 ) ;
glVertex2i ( dx + max[0] - PU_BEVEL , dy + min[1] + PU_BEVEL ) ;
glVertex2i ( dx + max[0] - PU_BEVEL/2 , dy + max[1] - PU_BEVEL/2 ) ;
glVertex2i ( dx + max[0] - PU_BEVEL , dy + max[1] - PU_BEVEL ) ;
glEnd () ;
}
}
break ;
case PUSTYLE_BOXED :
glColor4fv ( colour [ hi ] ) ;
glRecti ( dx + min[0], dy + min[1],
dx + max[0], dy + max[1] ) ;
glColor4fv ( colour [ mid ] ) ;
glRecti ( dx + min[0]+PU_BOX_WIDTH, dy + min[1]+PU_BOX_WIDTH,
dx + max[0]-PU_BOX_WIDTH, dy + max[1]-PU_BOX_WIDTH ) ;
break ;
case PUSTYLE_RADIO :
glColor4fv ( colour [ lo ] ) ;
glBegin ( GL_LINE_LOOP ) ;
glVertex2i ( dx + min[0] + PU_RADIO_BUTTON_SIZE/2, dy + min[1] ) ;
glVertex2i ( dx + min[0] + PU_RADIO_BUTTON_SIZE , dy + min[1] + PU_RADIO_BUTTON_SIZE/2 ) ;
glVertex2i ( dx + min[0] + PU_RADIO_BUTTON_SIZE/2, dy + min[1] + PU_RADIO_BUTTON_SIZE ) ;
glVertex2i ( dx + min[0] , dy + min[1] + PU_RADIO_BUTTON_SIZE/2 ) ;
glEnd () ;
if ( style < 0 )
{
glColor4fv ( colour [ hi ] ) ;
glBegin ( GL_QUADS ) ;
glVertex2i ( dx + min[0] + PU_RADIO_BUTTON_SIZE/2, dy + min[1] + 2 ) ;
glVertex2i ( dx + min[0] + PU_RADIO_BUTTON_SIZE-2, dy + min[1] + PU_RADIO_BUTTON_SIZE/2 ) ;
glVertex2i ( dx + min[0] + PU_RADIO_BUTTON_SIZE/2, dy + min[1] + PU_RADIO_BUTTON_SIZE-2 ) ;
glVertex2i ( dx + min[0] + 2 , dy + min[1] + PU_RADIO_BUTTON_SIZE/2 ) ;
glEnd () ;
}
break ;
case PUSTYLE_SPECIAL_UNDERLINED :
glColor4fv ( colour [ hi ] ) ;
glRecti ( dx + min[0], dy + min[1],
dx + max[0], dy + min[1]+2 ) ;
glColor4fv ( colour [ mid ] ) ;
glRecti ( dx + min[0], dy + min[1]+1,
dx + max[0], dy + max[1] ) ;
break ;
case PUSTYLE_DROPSHADOW :
glColor4fv ( colour [ lo ] ) ;
glRecti ( dx + min[0] + PU_DROPSHADOW_OFFSET, dy + min[1] - PU_DROPSHADOW_OFFSET,
dx + max[0] + PU_DROPSHADOW_OFFSET, dy + max[1] - PU_DROPSHADOW_OFFSET ) ;
glColor4fv ( colour [ mid ] ) ;
glRecti ( dx + min[0], dy + min[1],
dx + max[0], dy + max[1] ) ;
break ;
}
if ( am_default )
{
glColor4fv ( colour [ PUCOL_BACKGROUND ] ) ;
glLineStipple ( 1, 0xF0F0 ) ;
glEnable ( GL_LINE_STIPPLE ) ;
glBegin ( GL_LINE_LOOP ) ;
glVertex2i ( dx + min[0] + PU_DFLT_OFFSET, dy + min[1] + PU_DFLT_OFFSET ) ;
glVertex2i ( dx + min[0] + PU_DFLT_OFFSET, dy + max[1] - PU_DFLT_OFFSET ) ;
glVertex2i ( dx + max[0] - PU_DFLT_OFFSET, dy + max[1] - PU_DFLT_OFFSET ) ;
glVertex2i ( dx + max[0] - PU_DFLT_OFFSET, dy + min[1] + PU_DFLT_OFFSET ) ;
glEnd () ;
glDisable ( GL_LINE_STIPPLE ) ;
}
}