void GLUI_Rotation::reset( void )
{
ball->init(); /** reset quaternion, etc. **/
ball->set_params( vec2( (float)(w/2), (float)((h-18)/2)),
(float) 2.0*(h-18) );
set_spin( this->damping );
copy_ball_to_float_array();
translate_and_draw_front();
output_live(true); /*** Output live and draw main grx window ***/
}
int GLUI_Translation::iaction_mouse_down_handler( int local_x,
int local_y )
{
int center_x, center_y;
down_x = local_x;
down_y = local_y;
if ( trans_type == GLUI_TRANSLATION_XY ) {
orig_x = float_array_val[0];
orig_y = float_array_val[1];
/** Check if the Alt key is down, which means lock to an axis **/
center_x = w/2;
center_y = (h-18)/2;
if ( glui->curr_modifiers & GLUT_ACTIVE_ALT ) {
if ( ABS(local_y-center_y) > ABS(local_x-center_x) ) {
locked = GLUI_TRANSLATION_LOCK_Y;
glutSetCursor( GLUT_CURSOR_UP_DOWN );
}
else {
locked = GLUI_TRANSLATION_LOCK_X;
glutSetCursor( GLUT_CURSOR_LEFT_RIGHT );
}
}
else {
locked = GLUI_TRANSLATION_LOCK_NONE;
glutSetCursor( GLUT_CURSOR_SPRAY );
}
}
else if ( trans_type == GLUI_TRANSLATION_X ) {
glutSetCursor( GLUT_CURSOR_LEFT_RIGHT );
orig_x = float_array_val[0];
}
else if ( trans_type == GLUI_TRANSLATION_Y ) {
glutSetCursor( GLUT_CURSOR_UP_DOWN );
orig_y = float_array_val[0];
}
else if ( trans_type == GLUI_TRANSLATION_Z ) {
glutSetCursor( GLUT_CURSOR_UP_DOWN );
orig_z = float_array_val[0];
}
trans_mouse_code = 1;
translate_and_draw_front();
return false;
}
void GLUI_Rotation::idle( void )
{
spinning = ball->is_spinning;
if ( can_spin == true AND spinning == true ) {
copy_float_array_to_ball();
ball->idle();
*ball->rot_ptr = *ball->rot_ptr * ball->rot_increment;
mat4 tmp_rot;
tmp_rot = *ball->rot_ptr;
copy_ball_to_float_array();
draw_active_area_only = true;
translate_and_draw_front();
draw_active_area_only = false;
output_live(true); /** output live and update gfx **/
}
else {
}
}
int GLUI_EditText::key_handler( unsigned char key,int modifiers )
{
int i, regular_key;
/* int has_selection; */
if ( NOT glui )
return false;
if ( debug )
dump( stdout, "-> KEY HANDLER" );
regular_key = false;
/* has_selection = (sel_start != sel_end); */
if ( key == 21 AND (modifiers & GLUT_ACTIVE_CTRL )!=0) { /* DEL all text */
/** This one (key==21) may not port!! */
insertion_pt = -1;
text[0] = '\0';
sel_start = sel_end = -1;
}
else if ( key == 13 ) { /* RETURN */
/* glui->disactivate_current_control(); */
disactivate(); /** Force callbacks, etc **/
activate(GLUI_ACTIVATE_TAB); /** Reselect all text **/
translate_and_draw_front();
return true;
}
else if ( key == 27 ) { /* ESCAPE */
glui->disactivate_current_control();
return true;
}
else if ( key == 8 ) { /* BACKSPACE */
if ( sel_start == sel_end ) { /* no selection */
if ( insertion_pt > 0 ) {
/*** See if we're deleting a period in a float data-type box ***/
if ( data_type == GLUI_EDITTEXT_FLOAT AND text[insertion_pt-1]=='.' )
num_periods--;
/*** Shift over string first ***/
insertion_pt--;
for( i=insertion_pt; i< (int)strlen( text ); i++ )
text[i] = text[i+1];
}
}
else { /* There is a selection */
clear_substring( MIN(sel_start,sel_end), MAX(sel_start,sel_end ));
insertion_pt = MIN(sel_start,sel_end);
sel_start = sel_end = insertion_pt;
}
}
else { /* Regular key */
regular_key = true;
/** Check if we only accept numbers **/
if (data_type == GLUI_EDITTEXT_FLOAT ) {
if ( (key < '0' OR key > '9') AND key != '.' AND key != '-' )
return true;
if ( key == '-' ) { /* User typed a '-' */
/* If user has first character selected, then '-' is allowed */
if ( NOT ( MIN(sel_start,sel_end) == 0 AND
MAX(sel_start,sel_end) > 0 ) ) {
/* User does not have 1st char selected */
if (insertion_pt != 0 OR text[0] == '-' ) {
return true; /* Can only place negative at beginning of text,
and only one of them */
}
}
}
if ( key == '.' ) {
/*printf( "PERIOD: %d\n", num_periods ); */
if ( num_periods > 0 ) {
/** We're trying to type a period, but the text already contains
a period. Check whether the period is contained within
is current selection (thus it will be safely replaced) **/
int period_found = false;
if ( sel_start != sel_end ) {
for( i=MIN(sel_end,sel_start); i<MAX(sel_start,sel_end); i++ ) {
/* printf( "%c ", text[i] ); */
if ( text[i] == '.' ) {
period_found = true;
break;
}
}
}
/* printf( "found: %d num: %d\n", period_found, num_periods ); */
if ( NOT period_found )
return true;
}
}
}
else if (data_type == GLUI_EDITTEXT_INT)
{
if ( (key < '0' OR key > '9') AND key != '-' )
return true;
if ( key == '-' ) { /* User typed a '-' */
/* If user has first character selected, then '-' is allowed */
if ( NOT ( MIN(sel_start,sel_end) == 0 AND
MAX(sel_start,sel_end) > 0 ) ) {
/* User does not have 1st char selected */
if (insertion_pt != 0 OR text[0] == '-' ) {
return true; /* Can only place negative at beginning of text,
and only one of them */
}
}
}
}
/** This is just to get rid of warnings - the flag regular_key is
set if the key was not a backspace, return, whatever. But I
believe if we're here, we know it was a regular key anyway */
if ( regular_key ) {
}
/**** If there's a current selection, erase it ******/
if ( sel_start != sel_end ) {
clear_substring( MIN(sel_start,sel_end), MAX(sel_start,sel_end ));
insertion_pt = MIN(sel_start,sel_end);
sel_start = sel_end = insertion_pt;
}
/******** check whether we have space ******/
if ( (int)strlen( text ) + 2 >= sizeof( GLUI_String ))
return false;
/******** We insert the character into the string ***/
/*** Shift over string first ***/
for( i=(int)strlen( text ); i >= insertion_pt; i-- )
text[i+1] = text[i];
/******** Now insert the character ********/
text[insertion_pt] = key;
/******** Move the insertion point and substring_end one over ******/
insertion_pt++;
substring_end++;
sel_start = sel_end = insertion_pt;
}
/******** Now redraw text ***********/
/* Hack to prevent text box from being cleared first **/
/** int substring_change = update_substring_bounds();
draw_text_only =
(NOT substring_change AND NOT has_selection AND regular_key );
*/
draw_text_only = false; /** Well, hack is not yet working **/
update_and_draw_text();
draw_text_only = false;
if ( debug )
dump( stdout, "<- KEY HANDLER" );
/*** Now look to see if this string has a period ***/
num_periods = 0;
for( i=0; i<(int)strlen(text); i++ )
if ( text[i] == '.' )
num_periods++;
return true;
}
void GLUI_EditText::disactivate( void )
{
int new_int_val;
float new_float_val;
active = false;
if ( NOT glui )
return;
if ( debug )
dump( stdout, "-> DISACTIVATE" );
sel_start = sel_end = insertion_pt = -1;
/***** Retrieve the current value from the text *****/
/***** The live variable will be updated by set_text() ****/
if ( data_type == GLUI_EDITTEXT_FLOAT ) {
if ( text[0] == '\0' ) /* zero-length string - make it "0.0" */
strcpy( text, "0.0" );
new_float_val = atof( text );
set_float_val( new_float_val );
}
else if ( data_type == GLUI_EDITTEXT_INT ) {
if ( text[0] == '\0' ) /* zero-length string - make it "0" */
strcpy( text, "0" );
new_int_val = atoi( text );
set_int_val( new_int_val );
}
else
if ( data_type == GLUI_EDITTEXT_TEXT ) {
set_text(text); /* This will force callbacks and gfx refresh */
}
update_substring_bounds();
/******** redraw text without insertion point ***********/
translate_and_draw_front();
/***** Now do callbacks if value changed ******/
if ( strcmp( orig_text, text ) != 0 ) {
this->execute_callback();
if ( 0 ) {
/* THE CODE BELOW IS FROM WHEN SPINNER ALSO MAINTAINED CALLBACKS */
if ( spinner == NULL ) { /** Are we independent of a spinner? **/
if ( callback ) {
callback( this->user_id );
}
}
else { /* We're attached to a spinner */
spinner->do_callbacks(); /* Let the spinner do the callback stuff */
}
}
}
if ( debug )
dump( stdout, "<- DISACTIVATE" );
}
/* Redraw this control. */
void GLUI_Control::redraw(void) {
if (glui==NULL || hidden) return;
if (glui->should_redraw_now(this))
translate_and_draw_front();
}