120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
//
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// Unit tests for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2022 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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// FLTK DEVS: utf-8 encoding must be enabled to edit this file.
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#include "unittests.h"
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#include <FL/Fl.H>
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#include <FL/Fl_Group.H>
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#include <FL/Fl_Text_Display.H>
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#include <FL/Fl_Multiline_Input.H>
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#include <FL/Fl_Choice.H>
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#include <FL/Fl_Hor_Value_Slider.H>
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#include <FL/fl_draw.H>
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static const char *utf8_box_test =
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"╳╳ ██ ▏▏┏━━┓ ╔══╗ ╔═╦═╗ ██████\n"
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"╳╳ ██ ▏▏┃ ┃ ║ ║ ╠═╬═╣ ██ ██\n"
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"╳╳ ██ ▏▏┗━━┛ ╚══╝ ╚═╩═╝ ██████\n"
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"\n"
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"underbar: ______\n"
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" overbar: ‾‾‾‾‾‾\n"
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"\n"
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"underbar/overbar alternate:\n"
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"\n"
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"___‾‾‾___‾‾‾___‾‾‾___‾‾‾___\n"
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"‾‾‾___‾‾‾___‾‾‾___‾‾‾___‾‾‾\n";
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static const char *helptext =
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"In this test, ideally the box's lines should all be touching "
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"without white space between. Underbar and overbars should both "
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"be visible and not touching. All the above should be unaffected "
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"by different font sizes and font settings.";
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class Ut_Unicode_Box_Test : public Fl_Group {
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Fl_Text_Buffer *textbuffer;
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Fl_Text_Display *textdisplay;
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Fl_Multiline_Input *multilineinput;
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Fl_Choice *font_choice;
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Fl_Hor_Value_Slider *fontsize_slider;
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// Font choice callback
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void font_choice_cb2() {
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switch ( font_choice->value() ) {
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case 0: textdisplay->textfont(FL_COURIER); break;
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case 1: textdisplay->textfont(FL_SCREEN); break;
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}
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parent()->redraw();
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}
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static void foant_choice_cb(Fl_Widget*, void *userdata) {
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Ut_Unicode_Box_Test *o = (Ut_Unicode_Box_Test*)userdata;
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o->font_choice_cb2();
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}
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// Slider callback - apply new font size to widgets
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void font_size_slider_cb2() {
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// Get font size from slider value, apply to widgets
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int fontsize = (int)fontsize_slider->value();
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textdisplay->textsize(fontsize);
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multilineinput->textsize(fontsize);
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multilineinput->position(0); // keep scrolled to top
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parent()->redraw();
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}
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static void font_size_slider_cb(Fl_Widget*, void *userdata) {
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Ut_Unicode_Box_Test *o = (Ut_Unicode_Box_Test*)userdata;
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o->font_size_slider_cb2();
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}
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public:
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static Fl_Widget *create() {
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return new Ut_Unicode_Box_Test(UT_TESTAREA_X, UT_TESTAREA_Y, UT_TESTAREA_W, UT_TESTAREA_H);
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}
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Ut_Unicode_Box_Test(int x, int y, int w, int h) : Fl_Group(x, y, w, h) {
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// Fl_Text_Display
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textbuffer = new Fl_Text_Buffer();
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textbuffer->text(utf8_box_test);
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textdisplay = new Fl_Text_Display(x+5, y+20, 250, 250, "Fl_Text_Display");
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textdisplay->textfont(FL_COURIER);
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textdisplay->buffer(textbuffer);
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textdisplay->tooltip(helptext);
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// Fl_Multiline_Input
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multilineinput = new Fl_Multiline_Input(x+250+15, y+20, 250, 250, "Fl_Multiline_Input");
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multilineinput->align(FL_ALIGN_CENTER|FL_ALIGN_TOP);
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multilineinput->textfont(FL_COURIER);
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multilineinput->value(utf8_box_test);
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multilineinput->tooltip(helptext);
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// Font choice
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// Fonts must be fixed width to work correctly..
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font_choice = new Fl_Choice(x+150, y+h-80, 200, 25, "Font face");
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font_choice->add("FL_COURIER");
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font_choice->add("FL_SCREEN");
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font_choice->value(0);
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font_choice->callback(foant_choice_cb, (Fl_Widget*)this);
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// Font size slider
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fontsize_slider = new Fl_Hor_Value_Slider(x+150, y+h-50, 200, 25, "Font size");
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fontsize_slider->align(FL_ALIGN_LEFT);
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fontsize_slider->range(1.0, 50.0);
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fontsize_slider->step(1.0);
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fontsize_slider->value(14.0);
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fontsize_slider->callback(font_size_slider_cb, (Fl_Widget*)this);
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end();
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}
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};
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UnitTest unicode_font_test(UT_TEST_UNICODE, "Unicode Boxes", Ut_Unicode_Box_Test::create);
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