mirror of https://github.com/fltk/fltk
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
//
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// Fl_Tree as a container of FLTK widgets. - erco 04/15/2012
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//
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// Copyright 2010,2012 Greg Ercolano.
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// Copyright 1998-2010 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#include <stdio.h>
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#include <FL/Fl.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Tree.H>
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#include <FL/Fl_Group.H>
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#include <FL/Fl_Input.H>
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#define MAX_ROWS 20000
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#define MAX_FIELDS 5
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#define FIELD_WIDTH 70
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#define FIELD_HEIGHT 30
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class MyData : public Fl_Group {
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Fl_Input *fields[MAX_FIELDS];
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public:
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MyData(int X,int Y,int W,int H) : Fl_Group(X,Y,W,H) {
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static unsigned int colors[MAX_FIELDS] = {
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0xffffdd00, 0xffdddd00, 0xddffff00, 0xddffdd00, 0xddddff00
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};
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for ( int t=0; t<MAX_FIELDS; t++ ) {
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fields[t] = new Fl_Input(X+t*FIELD_WIDTH,Y,FIELD_WIDTH,H);
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fields[t]->color(Fl_Color(colors[t]));
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}
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end();
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}
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void SetData(int col, const char *val) {
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if ( col >= 0 && col < MAX_FIELDS )
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fields[col]->value(val);
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}
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};
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int main(int argc, char *argv[]) {
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Fl_Double_Window *win = new Fl_Double_Window(450, 400, "Tree As FLTK Widget Container");
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win->begin();
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{
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// Create the tree
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Fl_Tree *tree = new Fl_Tree(10, 10, win->w()-20, win->h()-20);
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tree->showroot(0); // don't show root of tree
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// Add some regular text nodes
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tree->add("Foo/Bar/001");
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tree->add("Foo/Bar/002");
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tree->add("Foo/Bla/Aaa");
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tree->add("Foo/Bla/Bbb");
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// Add items to the 'Data' node
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for ( int t=0; t<MAX_ROWS; t++ ) {
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// Add item to tree
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static char s[80];
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sprintf(s, "FLTK Widgets/%d", t);
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Fl_Tree_Item *item = tree->add(s);
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// Reconfigure item to be an FLTK widget (MyData)
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tree->begin();
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{
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MyData *data = new MyData(0,0,FIELD_WIDTH*MAX_FIELDS, FIELD_HEIGHT);
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item->widget(data);
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// Initialize widget data
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for ( int c=0; c<MAX_FIELDS; c++ ) {
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sprintf(s, "%d-%d", t,c);
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data->SetData(c,s);
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}
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}
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tree->end();
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}
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}
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win->end();
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win->resizable(win);
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win->show(argc, argv);
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return(Fl::run());
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}
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