void IconChooser::load_from_list(list<String>& lst) {
if(lst.empty())
return;
Fl_Shared_Image* img = NULL;
int imax_w = 0;
int imax_h = 0;
int iw, ih;
bool show_progress = false;
list<String>::iterator it = lst.begin(), it_end = lst.end();
/*
* lst_info contains coresponding indexes with list<String> so we can deduce what
* files to skip (not readable image or dimensions greater than allowed); skippable are marked as 0
*/
int* lst_info = new int[lst.size()];
for(int n = 0; it != it_end; ++it, n++){
img = Fl_Shared_Image::get((*it).c_str());
if(!img) {
lst_info[n] = 0;
continue;
}
iw = img->w();
ih = img->h();
if(iw > MAX_ICON_W || ih > MAX_ICON_H) {
lst_info[n] = 0;
continue;
}
imax_w = MAX(imax_w, iw);
imax_h = MAX(imax_h, ih);
lst_info[n] = 1;
}
/* clear potential content of ExpandableGroup */
if(icongrp->children())
icongrp->clear();
if(lst.size() > 10) {
show_progress = true;
progress->minimum(0);
progress->maximum(lst.size());
progress->show();
}
if(imax_w < 64)
imax_w = 64;
else
imax_w += 10;
if(imax_h < 64)
imax_h = 64;
else
imax_h += 10;
imax_w += 5;
imax_h += 5;
/*
* focus_index() is only valid on childs before we show them and that is what we need
* so other childs don't mess it when they are added
*/
//icongrp->focus(child(0));
icongrp->set_visible_focus();
IconBox* preview;
it = lst.begin();
for(int n = 0; it != it_end; ++it, n++) {
img = Fl_Shared_Image::get((*it).c_str());
if(img && lst_info[n] == 1) {
preview = new IconBox(0, 0, imax_w, imax_h);
preview->set_icon_path((*it));
/* use background/selection from ExpandableGroup */
preview->color(icongrp->color());
preview->selection_color(icongrp->color());
if(show_progress)
progress->value(int((n * 100) / int(progress->maximum())));
preview->image(img);
preview->callback(iconbox_cb, this);
icongrp->add(preview);
Fl::check();
}
}
progress->hide();
delete [] lst_info;
}
