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Update test/input_choice demo (#978)

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- add Fl_Choice widget for layout comparison
- rewrite button callbacks
- improve layout and other details

This is a follow-up to issue #978, "merging" the existing input_choice
demo with "choicetest_v3" as mentioned.
This commit is contained in:
Albrecht Schlosser 2024-06-27 03:19:26 +02:00
parent a678dba2e3
commit 64cd50c130
1 changed files with 64 additions and 34 deletions
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98
test/input_choice.cxx
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@ -1,7 +1,7 @@
//
// Test program for Fl_Input_Choice
// Test program for Fl_Input_Choice and Fl_Choice
//
// Copyright 1998-2010 by Bill Spitzak and others.
// Copyright 1998-2024 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
@ -14,54 +14,84 @@
// https://www.fltk.org/bugs.php
//
#include <stdio.h>
#include <FL/Fl_Button.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Input_Choice.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Scheme_Choice.H>
#include <FL/Fl_Check_Button.H>
#include <FL/Fl_Terminal.H>
#define TERMINAL_HEIGHT 120
#define TERMINAL_HEIGHT 150
// Globals
Fl_Terminal *G_tty = 0;
void buttcb(Fl_Widget*,void*data) {
Fl_Input_Choice *in=(Fl_Input_Choice *)data;
static int flag = 1;
flag ^= 1;
if ( flag ) in->activate();
else in->deactivate();
if (in->changed()) {
G_tty->printf("Callback: changed() is set\n");
in->clear_changed();
}
void active_cb(Fl_Widget *w, void *data) {
Fl_Check_Button *b = (Fl_Check_Button *)w;
Fl_Group *g = (Fl_Group *)data;
if (b->value()) {
g->activate();
G_tty->printf("activate group\n");
} else {
g->deactivate();
G_tty->printf("deactivate group\n");
}
g->redraw();
if (b->changed()) {
G_tty->printf("Callback: changed() is set\n");
b->clear_changed();
}
}
void input_choice_cb(Fl_Widget*,void*data) {
Fl_Input_Choice *in=(Fl_Input_Choice *)data;
G_tty->printf("Value='%s'\n", (const char*)in->value());
void input_choice_cb(Fl_Widget *, void *data) {
Fl_Input_Choice *in = (Fl_Input_Choice *)data;
G_tty->printf("Fl_Input_Choice value='%s'\n", (const char *)in->value());
}
void choice_cb(Fl_Widget *, void *data) {
Fl_Choice *in = (Fl_Choice *)data;
G_tty->printf("Fl_Choice value='%d'\n", in->value());
}
int main(int argc, char **argv) {
Fl_Double_Window win(300, 200+TERMINAL_HEIGHT);
G_tty = new Fl_Terminal(0,200,win.w(),TERMINAL_HEIGHT);
Fl_Window *win = new Fl_Double_Window(300, 200 + TERMINAL_HEIGHT);
Fl_Input_Choice in(40,40,100,28,"Test");
in.callback(input_choice_cb, (void*)&in);
in.add("one");
in.add("two");
in.add("three");
in.value(1);
G_tty = new Fl_Terminal(0, 200, win->w(), TERMINAL_HEIGHT);
// Interactive control of scheme
Fl_Scheme_Choice sch(100, 120, 140, 25, "Scheme");
// this group can be activated and deactivated:
Fl_Group *active_group = new Fl_Group(0, 0, 300, 120);
Fl_Button onoff(40,150,200,28,"Activate/Deactivate");
onoff.callback(buttcb, (void*)&in);
// all *_Choice widgets must be aligned for easier visual comparison:
win.end();
win.resizable(win);
win.show(argc, argv);
return Fl::run();
Fl_Input_Choice *in = new Fl_Input_Choice(180, 40, 100, 25, "Fl_Input_Choice:");
in->callback(input_choice_cb, (void *)in);
in->add("one");
in->add("two");
in->add("three");
in->value(0);
Fl_Choice *choice = new Fl_Choice(180, 70, 100, 25, "Fl_Choice:");
choice->callback(choice_cb, (void *)choice);
choice->add("aaa");
choice->add("bbb");
choice->add("ccc");
choice->value(1);
active_group->end();
// Interactive control of scheme
Fl_Scheme_Choice *sch = new Fl_Scheme_Choice(180, 120, 100, 25, "Choose scheme:");
sch->visible_focus(0);
Fl_Check_Button *active = new Fl_Check_Button(50, 160, 160, 30, "Activate/deactivate");
active->callback(active_cb, (void *)active_group);
active->value(1);
win->end();
win->resizable(win);
win->size_range(200, 160);
win->show(argc, argv);
Fl::run();
delete win;
return 0;
}