Richard Spindler wrote:
> 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();
> }
Thanks! I just recently converted a Fl_Group to Fl_Tile in my app. I already
have Fl_Preferences saving the dimensions of the app. Storing/loading the
sizes was next on my list. Many thanks.
--
Alvin
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