Hi,
my application has a main window that has several nested Fl_Tiles, so that the
user can adjust the workspace to his preferences. The following two functions
serve to preserve the arrangement between application restarts. Pass a
Fl_Preferences sub-group, and the main window as arguments.
Maybe it is useful to other fltk developers.
Cheers
-Richard
--------------------------
#include <FL/Fl_Preferences.H>
#include <FL/Fl_Group.H>
void fltk_save_layout( Fl_Preferences* p, Fl_Group* g ) {
p->set( "group_x", g->x() );
p->set( "group_y", g->y() );
p->set( "group_w", g->w() );
p->set( "group_h", g->h() );
int num = g->children();
for ( int i = 0; i < num; i++ ) {
Fl_Group* gg = dynamic_cast<Fl_Group*>(g->child(i));
if ( gg ) {
fltk_save_layout( new Fl_Preferences( *p,
Fl_Preferences::Name( "group_%d", i ) ), gg );
} else {
p->set( Fl_Preferences::Name( "child_%d_x", i ),
g->child(i)->x() );
p->set( Fl_Preferences::Name( "child_%d_y", i ),
g->child(i)->y() );
p->set( Fl_Preferences::Name( "child_%d_w", i ),
g->child(i)->w() );
p->set( Fl_Preferences::Name( "child_%d_h", i ),
g->child(i)->h() );
}
}
}
void fltk_load_layout( Fl_Preferences* p, Fl_Group* g) {
int x, y, w, h;
p->get( "group_x", x, g->x() );
p->get( "group_y", y, g->y() );
p->get( "group_w", w, g->w() );
p->get( "group_h", h, g->h() );
g->resize( x, y, w, h );
int num = g->children();
for ( int i = 0; i < num; i++ ) {
Fl_Group* gg = dynamic_cast<Fl_Group*>(g->child(i));
if ( gg ) {
fltk_load_layout( new Fl_Preferences( *p,
Fl_Preferences::Name( "group_%d", i ) ), gg );
} else {
p->get( Fl_Preferences::Name( "child_%d_x", i ), x,
g->child(i)->x() );
p->get( Fl_Preferences::Name( "child_%d_y", i ), y,
g->child(i)->y() );
p->get( Fl_Preferences::Name( "child_%d_w", i ), w,
g->child(i)->w() );
p->get( Fl_Preferences::Name( "child_%d_h", i ), h,
g->child(i)->h() );
g->child(i)->resize( x, y, w, h );
}
}
g->init_sizes();
}
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