int GLUI_TextBox::mouse_down_handler( int local_x, int local_y )
{
int tmp_insertion_pt;
if ( debug ) dump( stdout, "-> MOUSE DOWN" );
tmp_insertion_pt = find_insertion_pt( local_x, local_y );
if ( tmp_insertion_pt == -1 ) {
if ( glui )
glui->deactivate_current_control( );
return false;
}
insertion_pt = tmp_insertion_pt;
sel_start = sel_end = insertion_pt;
keygoal_x = insert_x;
if ( can_draw())
update_and_draw_text();
if ( debug ) dump( stdout, "<- MOUSE UP" );
return true;
}
int GLUI_EditText::mouse_held_down_handler( int local_x, int local_y,
bool new_inside)
{
int tmp_pt;
if ( NOT new_inside )
return false;
if ( debug ) dump( stdout, "-> HELD DOWN" );
tmp_pt = find_insertion_pt( local_x, local_y );
if ( tmp_pt == -1 AND sel_end != 0 ) { /* moved mouse past left edge */
special_handler( GLUT_KEY_LEFT, GLUT_ACTIVE_SHIFT );
}
else if ( tmp_pt == substring_end+1 AND sel_end != (int) text.length()) {
/* moved mouse past right edge */
special_handler( GLUT_KEY_RIGHT, GLUT_ACTIVE_SHIFT );
}
else if ( tmp_pt != -1 AND tmp_pt != sel_end ) {
sel_end = insertion_pt = tmp_pt;
update_and_draw_text();
}
if ( debug )
dump( stdout, "<- HELD DOWN" );
return false;
}
int GLUI_TextBox::special_handler( int key,int modifiers )
{
int tmp_insertion_pt;
if ( NOT glui )
return false;
if ( debug )
printf( "SPECIAL:%d - mod:%d subs:%d/%d ins:%d sel:%d/%d\n",
key, modifiers, substring_start, substring_end,insertion_pt,
sel_start, sel_end );
if ( key == GLUT_KEY_DOWN ) {
if (insert_x == -1 || insert_y == -1)
return false;
tmp_insertion_pt = find_insertion_pt( keygoal_x, insert_y+LINE_HEIGHT);
if (tmp_insertion_pt < 0)
return false;
insertion_pt = tmp_insertion_pt;
sel_end = insertion_pt;
if (!(modifiers & GLUT_ACTIVE_SHIFT)) {
sel_start = sel_end;
}
if ( can_draw())
update_and_draw_text();
} else if ( key == GLUT_KEY_UP ) {
if (insert_x == -1 || insert_y == -1)
return false;
tmp_insertion_pt = find_insertion_pt( keygoal_x, insert_y-LINE_HEIGHT);
if (tmp_insertion_pt < 0)
return false;
insertion_pt = tmp_insertion_pt;
sel_end = insertion_pt;
if (!(modifiers & GLUT_ACTIVE_SHIFT)) {
sel_start = sel_end;
}
if ( can_draw())
update_and_draw_text();
} else if ( key == GLUT_KEY_LEFT ) {
if ( (modifiers & GLUT_ACTIVE_CTRL) != 0 ) {
insertion_pt = find_word_break( insertion_pt, -1 );
}
else {
insertion_pt--;
}
// update keygoal_x!
}
else if ( key == GLUT_KEY_RIGHT ) {
if ( (modifiers & GLUT_ACTIVE_CTRL) != 0 ) {
insertion_pt = find_word_break( insertion_pt, +1 );
}
else {
insertion_pt++;
}
// update keygoal_x!
}
else if ( key == GLUT_KEY_HOME ) {
insertion_pt = 0;
// update keygoal_x!
}
else if ( key == GLUT_KEY_END ) {
insertion_pt = text.length();
// update keygoal_x!
}
/*** Update selection if shift key is down ***/
if ( (modifiers & GLUT_ACTIVE_SHIFT ) != 0 )
sel_end = insertion_pt;
else
sel_start = sel_end = insertion_pt;
CLAMP( insertion_pt, 0, (int)text.length()); /* Make sure insertion_pt
is in bounds */
CLAMP( sel_start, 0, (int)text.length()); /* Make sure insertion_pt
is in bounds */
CLAMP( sel_end, 0, (int)text.length()); /* Make sure insertion_pt
is in bounds */
/******** Now redraw text ***********/
if ( can_draw())
update_and_draw_text();
return true;
}
