mirror of https://github.com/fltk/fltk
140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
//
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// Fl_Flex demo program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2020 by Karsten Pedersen
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// Copyright 2022 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 <FL/Fl.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Flex.H>
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#include <FL/Fl_Box.H>
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#include <FL/Fl_Button.H>
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#include <FL/Fl_Input.H>
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Fl_Button *create_button(const char *caption) {
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Fl_Button *rtn = new Fl_Button(0, 0, 100, 25, caption);
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rtn->color(fl_rgb_color(225, 225, 225));
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return rtn;
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}
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// create widgets inside a column, i.e. parent is type(COLUMN)
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void buttons_panel(Fl_Flex *parent) {
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new Fl_Box(0, 0, 0, 0, "");
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Fl_Box *w = new Fl_Box(0, 0, 0, 0, "Welcome to Flex Login");
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Fl_Flex *urow = new Fl_Flex(Fl_Flex::ROW);
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{
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Fl_Box *b = new Fl_Box(0, 0, 0, 0, "Username:");
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b->align(FL_ALIGN_INSIDE | FL_ALIGN_RIGHT);
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Fl_Input *username = new Fl_Input(0, 0, 0, 0, "");
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urow->set_size(username, 180);
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urow->end();
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}
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Fl_Flex *prow = new Fl_Flex(Fl_Flex::ROW);
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{
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Fl_Box *b = new Fl_Box(0, 0, 0, 0, "Password:");
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b->align(FL_ALIGN_INSIDE | FL_ALIGN_RIGHT);
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Fl_Input *password = new Fl_Input(0, 0, 0, 0, "");
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prow->set_size(password, 180);
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prow->end();
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}
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Fl_Box *pad = new Fl_Box(0, 0, 0, 0, "");
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Fl_Flex *brow = new Fl_Flex(Fl_Flex::ROW);
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{
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new Fl_Box(0, 0, 0, 0, "");
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Fl_Button *reg = create_button("Register");
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Fl_Button *login = create_button("Login");
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brow->set_size(reg, 80);
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brow->set_size(login, 80);
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brow->gap(20);
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brow->end();
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}
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Fl_Box *b = new Fl_Box(0, 0, 0, 0, "");
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parent->set_size(w, 60);
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parent->set_size(urow, 30);
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parent->set_size(prow, 30);
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parent->set_size(pad, 1);
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parent->set_size(brow, 30);
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parent->set_size(b, 30);
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}
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// create widgets inside a row, i.e. parent is type(ROW)
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void middle_panel(Fl_Flex *parent) {
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new Fl_Box(0, 0, 0, 0, "");
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Fl_Box *box = new Fl_Box(0, 0, 0, 0, "Image");
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box->box(FL_BORDER_BOX);
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box->color(fl_rgb_color(0, 200, 0));
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Fl_Box *spacer = new Fl_Box(0, 0, 0, 0, "");
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Fl_Flex *bp = new Fl_Flex(Fl_Flex::COLUMN);
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buttons_panel(bp);
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bp->end();
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new Fl_Box(0, 0, 0, 0, "");
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parent->set_size(box, 200);
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parent->set_size(spacer, 10);
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parent->set_size(bp, 300);
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}
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// The main panel consists of three "rows" inside a column, i.e. parent is
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// type(COLUMN). The middle panel has a fixed size (200) such that the two
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// boxes take the remaining space and middle_panel has all widgets.
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void mainPanel(Fl_Flex *parent) {
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new Fl_Box(0, 0, 0, 0, ""); // flexible separator
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Fl_Flex *mp = new Fl_Flex(Fl_Flex::ROW);
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middle_panel(mp);
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mp->end();
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new Fl_Box(0, 0, 0, 0, ""); // flexible separator
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parent->set_size(mp, 200);
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}
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int main(int argc, char **argv) {
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Fl_Window *window = new Fl_Double_Window(100, 100, "Simple GUI Example");
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Fl_Flex *col = new Fl_Flex(5, 5, 90, 90, Fl_Flex::COLUMN);
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mainPanel(col);
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col->end();
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window->resizable(col);
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window->color(fl_rgb_color(250, 250, 250));
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window->end();
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window->resize(0, 0, 640, 480);
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window->size_range(550, 250);
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window->show(argc, argv);
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int ret = Fl::run();
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delete window; // not necessary but useful to test for memory leaks
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return ret;
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}
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