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//
// "$Id$"
//
// Demonstrate creating an Fl_Browser with icons - Greg Ercolano 10/07/09 (STR#1739)
//
// Shows how one can add icons to items in a browser.
//
// Copyright 2009,2013 Greg Ercolano.
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Browser.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Image.H>
#include <FL/Fl_Pixmap.H>
static const char *big[] = { // XPM
"50 34 4 1",
" c #000000",
"o c #ff9900",
"@ c #ffffff",
"# c None",
"##################################################",
"### ############################## ####",
"### ooooo ########################### ooooo ####",
"### oo oo ######################### oo oo ####",
"### oo oo ####################### oo oo ####",
"### oo oo ##################### oo oo ####",
"### oo oo ################### oo oo ####",
"### oo oo oo oo ####",
"### oo oo ooooooooooooooo oo oo ####",
"### oo ooooooooooooooooooooo oo ####",
"### oo ooooooooooooooooooooooooooo ooo ####",
"#### oo ooooooo ooooooooooooo ooooooo oo #####",
"#### oo oooooooo ooooooooooooo oooooooo oo #####",
"##### oo oooooooo ooooooooooooo oooooooo oo ######",
"##### o ooooooooooooooooooooooooooooooo o ######",
"###### ooooooooooooooooooooooooooooooooooo #######",
"##### ooooooooo ooooooooo ooooooooo ######",
"##### oooooooo @@@ ooooooo @@@ oooooooo ######",
"##### oooooooo @@@@@ ooooooo @@@@@ oooooooo ######",
"##### oooooooo @@@@@ ooooooo @@@@@ oooooooo ######",
"##### oooooooo @@@ ooooooo @@@ oooooooo ######",
"##### ooooooooo ooooooooo ooooooooo ######",
"###### oooooooooooooo oooooooooooooo #######",
"###### oooooooo@@@@@@@ @@@@@@@oooooooo #######",
"###### ooooooo@@@@@@@@@ @@@@@@@@@ooooooo #######",
"####### ooooo@@@@@@@@@@@ @@@@@@@@@@@ooooo ########",
"######### oo@@@@@@@@@@@@ @@@@@@@@@@@@oo ##########",
"########## o@@@@@@ @@@@@ @@@@@ @@@@@@o ###########",
"########### @@@@@@@ @ @@@@@@@ ############",
"############ @@@@@@@@@@@@@@@@@@@@@ #############",
"############## @@@@@@@@@@@@@@@@@ ###############",
"################ @@@@@@@@@ #################",
"#################### #####################",
"##################################################",
};
static const char *med[] = { // XPM
"14 14 2 1",
"# c #000000",
" c #ffffff",
"##############",
"##############",
"## ##",
"## ## ## ##",
"## ## ## ##",
"## #### ##",
"## ## ##",
"## ## ##",
"## #### ##",
"## ## ## ##",
"## ## ## ##",
"## ##",
"##############",
"##############",
};
static const char *sml[] = { // XPM
"9 11 5 1",
". c None",
"@ c #000000",
"+ c #808080",
"r c #802020",
"# c #ff8080",
".........",
".........",
"@+.......",
"@@@+.....",
"@@r@@+...",
"@@##r@@+.",
"@@####r@@",
"@@##r@@+.",
"@@r@@+...",
"@@@+.....",
"@+.......",
};
// Create a custom browser
//
// You don't *have* to derive a class just to control icons in a browser,
// but in final apps it's something you'd do to keep the implementation clean.
//
// All it really comes down to is calling browser->icon() to define icons
// for the items you want.
//
class MyBrowser : public Fl_Browser {
Fl_Image *big_icon;
Fl_Image *med_icon;
Fl_Image *sml_icon;
public:
MyBrowser(int X,int Y,int W,int H,const char *L=0) : Fl_Browser(X,Y,W,H,L) {
// Create icons (these could also be pngs, jpegs..)
big_icon = new Fl_Pixmap(big);
med_icon = new Fl_Pixmap(med);
sml_icon = new Fl_Pixmap(sml);
// Normal browser initialization stuff
textfont(FL_COURIER);
textsize(14);
type(FL_MULTI_BROWSER);
add("One");
add("Two");
add("Three");
add("Four");
add("Five");
add("Six");
add("Seven");
}
static void Choice_CB(Fl_Widget*w, void *d) {
MyBrowser *mb = (MyBrowser*)d;
Fl_Choice *ch = (Fl_Choice*)w;
// See which icon the user picked
Fl_Image *i = 0;
if ( strcmp(ch->text(), "None" ) == 0 ) { i = 0; }
else if ( strcmp(ch->text(), "Small" ) == 0 ) { i = mb->sml_icon; }
else if ( strcmp(ch->text(), "Medium") == 0 ) { i = mb->med_icon; }
else if ( strcmp(ch->text(), "Large" ) == 0 ) { i = mb->big_icon; }
// Change the icon of three browser items to what the user picked
// This is all you have to do to change a browser item's icon.
// The browser will automatically resize the items if need be.
mb->icon(3,i);
mb->icon(4,i);
mb->icon(5,i);
}
};
int main() {
Fl_Double_Window *w = new Fl_Double_Window(400,300);
// Create a browser
MyBrowser *b = new MyBrowser(10,40,w->w()-20,w->h()-50);
// Create a chooser to let the user change the icons
Fl_Choice *choice = new Fl_Choice(60,10,140,25,"Icon:");
choice->add("None");
choice->add("Small");
choice->add("Medium");
choice->add("Large");
choice->callback(MyBrowser::Choice_CB, (void*)b);
choice->take_focus();
choice->value(1); choice->do_callback();
w->end();
w->show();
return(Fl::run());
}
//
// End of "$Id$".
//
|
