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//
// Unit tests for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2022 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:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#include "unittests.h"
#include <FL/Fl.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Text_Display.H>
#include <FL/Fl_Multiline_Input.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Hor_Value_Slider.H>
#include <FL/fl_draw.H>
#include "unittest_unicode_utf8.h" // defines utf8_box_test[]
static const char *helptext =
"In this test, ideally the box's lines should all be touching "
"without white space between. Underbar and overbars should both "
"be visible and not touching. All the above should be unaffected "
"by different font sizes and font settings.";
class UnicodeBoxTest : public Fl_Group {
Fl_Text_Buffer *textbuffer;
Fl_Text_Display *textdisplay;
Fl_Multiline_Input *multilineinput;
Fl_Choice *font_choice;
Fl_Hor_Value_Slider *fontsize_slider;
// Font choice callback
void FontChoice_CB2() {
switch ( font_choice->value() ) {
case 0: textdisplay->textfont(FL_COURIER); break;
case 1: textdisplay->textfont(FL_SCREEN); break;
}
parent()->redraw();
}
static void FontChoice_CB(Fl_Widget*, void *userdata) {
UnicodeBoxTest *o = (UnicodeBoxTest*)userdata;
o->FontChoice_CB2();
}
// Slider callback - apply new font size to widgets
void FontSizeSlider_CB2() {
// Get font size from slider value, apply to widgets
int fontsize = (int)fontsize_slider->value();
textdisplay->textsize(fontsize);
multilineinput->textsize(fontsize);
multilineinput->position(0); // keep scrolled to top
parent()->redraw();
}
static void FontSizeSlider_CB(Fl_Widget*, void *userdata) {
UnicodeBoxTest *o = (UnicodeBoxTest*)userdata;
o->FontSizeSlider_CB2();
}
public:
static Fl_Widget *create() {
return new UnicodeBoxTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
}
UnicodeBoxTest(int x, int y, int w, int h) : Fl_Group(x, y, w, h) {
// Fl_Text_Display
textbuffer = new Fl_Text_Buffer();
textbuffer->text(utf8_box_test);
textdisplay = new Fl_Text_Display(x+5, y+20, 250, 250, "Fl_Text_Display");
textdisplay->textfont(FL_COURIER);
textdisplay->buffer(textbuffer);
textdisplay->tooltip(helptext);
// Fl_Multiline_Input
multilineinput = new Fl_Multiline_Input(x+250+15, y+20, 250, 250, "Fl_Multiline_Input");
multilineinput->align(FL_ALIGN_CENTER|FL_ALIGN_TOP);
multilineinput->textfont(FL_COURIER);
multilineinput->value(utf8_box_test);
multilineinput->tooltip(helptext);
// Font choice
// Fonts must be fixed width to work correctly..
font_choice = new Fl_Choice(x+150, y+h-80, 200, 25, "Font face");
font_choice->add("FL_COURIER");
font_choice->add("FL_SCREEN");
font_choice->value(0);
font_choice->callback(FontChoice_CB, (Fl_Widget*)this);
// Font size slider
fontsize_slider = new Fl_Hor_Value_Slider(x+150, y+h-50, 200, 25, "Font size");
fontsize_slider->align(FL_ALIGN_LEFT);
fontsize_slider->range(1.0, 50.0);
fontsize_slider->step(1.0);
fontsize_slider->value(14.0);
fontsize_slider->callback(FontSizeSlider_CB, (Fl_Widget*)this);
end();
}
};
UnitTest unicode_font_test(kUnicodeBoxTest, "Unicode Boxes", UnicodeBoxTest::create);
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