/* unicrud, Copyright (c) 2016-2021 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation. No representations are made about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*/
#define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
"*titleFont: sans-serif bold 18\n" \
"*font: sans-serif bold 300\n" \
"*suppressRotationAnimation: True\n" \
# define release_unicrud 0
#include "xlockmore.h"
#include "rotator.h"
#include "gltrackball.h"
#include "texfont.h"
#include "utf8wc.h"
#include <ctype.h>
#ifdef USE_GL /* whole file */
#define DEF_SPIN "True"
#define DEF_WANDER "True"
#define DEF_SPEED "1.0"
#define DEF_BLOCK "ALL"
#define DEF_TITLES "True"
typedef struct {
GLXContext *glx_context;
rotator *rot;
trackball_state *trackball;
Bool button_down_p;
GLfloat color[4];
texture_font_data *title_font, *char_font;
unsigned long unichar;
const char *charplane, *charblock, *charname;
enum { IN, LINGER, OUT } state;
int spin_direction;
GLfloat ratio;
} unicrud_configuration;
static unicrud_configuration *bps = NULL;
static Bool do_spin;
static GLfloat speed;
static Bool do_wander;
static char *do_block = 0;
static Bool do_titles;
static XrmOptionDescRec opts[] = {
{ "-spin", ".spin", XrmoptionNoArg, "True" },
{ "+spin", ".spin", XrmoptionNoArg, "False" },
{ "-wander", ".wander", XrmoptionNoArg, "True" },
{ "+wander", ".wander", XrmoptionNoArg, "False" },
{ "-speed", ".speed", XrmoptionSepArg, 0 },
{ "-block", ".block", XrmoptionSepArg, 0 },
{ "-titles", ".titles", XrmoptionNoArg, "True" },
{ "+titles", ".titles", XrmoptionNoArg, "False" },
};
static argtype vars[] = {
{&do_spin, "spin", "Spin", DEF_SPIN, t_Bool},
{&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
{&speed, "speed", "Speed", DEF_SPEED, t_Float},
{&do_block, "block", "Block", DEF_BLOCK, t_String},
{&do_titles, "titles", "Titles", DEF_TITLES, t_Bool},
};
ENTRYPOINT ModeSpecOpt unicrud_opts = {countof(opts), opts, countof(vars), vars, NULL};
static const struct {
unsigned long start;
const char * const name;
} unicode_block_names[] = {
/* Through Unicode 8.0, early 2016. */
{ 0x0000, "*Basic Multilingual" },
{ 0x0000, "Unassigned" },
{ 0x0021, "ASCII" },
{ 0x0080, "Unassigned" },
{ 0x00A1, "Latin1" },
{ 0x0100, "Latin Extended-A" },
{ 0x0180, "Latin Extended-B" },
{ 0x0250, "IPA Extensions" },
{ 0x02B0, "Spacing Modifier Letters" },
{ 0x0300, "Combining Diacritical Marks" },
{ 0x0370, "Greek and Coptic" },
{ 0x0400, "Cyrillic" },
{ 0x0500, "Cyrillic Supplement" },
{ 0x0530, "Armenian" },
{ 0x058B, "Unassigned" },
{ 0x0590, "Hebrew" },
{ 0x05F5, "Unassigned" },
{ 0x0600, "Arabic" },
{ 0x0700, "Syriac" },
{ 0x0750, "Arabic Supplement" },
{ 0x0780, "Thaana" },
{ 0x07C0, "N'Ko" },
{ 0x0800, "Samaritan" },
{ 0x0840, "Mandaic" },
{ 0x0860, "Unassigned" },
{ 0x08A0, "Arabic Extended-A" },
{ 0x0900, "Devanagari" },
{ 0x0980, "Bengali" },
{ 0x09FC, "Unassigned" },
{ 0x0A00, "Gurmukhi" },
{ 0x0A76, "Unassigned" },
{ 0x0A80, "Gujarati" },
{ 0x0AF2, "Unassigned" },
{ 0x0B00, "Oriya" },
{ 0x0B80, "Tamil" },
{ 0x0BFB, "Unassigned" },
{ 0x0C00, "Telugu" },
{ 0x0C80, "Kannada" },
{ 0x0CF0, "Unassigned" },
{ 0x0D00, "Malayalam" },
{ 0x0D80, "Sinhala" },
{ 0x0DF5, "Unassigned" },
{ 0x0E00, "Thai" },
{ 0x0E5C, "Unassigned" },
{ 0x0E80, "Lao" },
{ 0x0EE0, "Unassigned" },
{ 0x0F00, "Tibetan" },
{ 0x0FDB, "Unassigned" },
{ 0x1000, "Myanmar" },
{ 0x10A0, "Georgian" },
{ 0x1100, "Hangul Jamo" },
{ 0x1200, "Ethiopic" },
{ 0x1380, "Ethiopic Supplement" },
{ 0x13A0, "Cherokee" },
{ 0x1400, "Unified Canadian Aboriginal Syllabics" },
{ 0x1677, "Unassigned" },
{ 0x1680, "Ogham" },
{ 0x16A0, "Runic" },
{ 0x16F1, "Unassigned" },
{ 0x1700, "Tagalog" },
{ 0x1715, "Unassigned" },
{ 0x1720, "Hanunoo" },
{ 0x1737, "Unassigned" },
{ 0x1740, "Buhid" },
{ 0x1754, "Unassigned" },
{ 0x1760, "Tagbanwa" },
{ 0x1774, "Unassigned" },
{ 0x1780, "Khmer" },
{ 0x17FA, "Unassigned" },
{ 0x1800, "Mongolian" },
{ 0x18AB, "Unassigned" },
{ 0x18B0, "Unified Canadian Aboriginal Syllabics Extended" },
{ 0x18F6, "Unassigned" },
{ 0x1900, "Limbu" },
{ 0x1950, "Tai Le" },
{ 0x1975, "Unassigned" },
{ 0x1980, "Tai Lue" },
{ 0x19E0, "Khmer Symbols" },
{ 0x1A00, "Buginese" },
{ 0x1A20, "Tai Tham" },
{ 0x1AAE, "Unassigned" },
{ 0x1AB0, "Combining Diacritical Marks Extended" },
{ 0x1ABF, "Unassigned" },
{ 0x1B00, "Balinese" },
{ 0x1B80, "Sundanese" },
{ 0x1BC0, "Batak" },
{ 0x1C00, "Lepcha" },
{ 0x1C50, "Ol Chiki" },
{ 0x1C80, "Unassigned" },
{ 0x1CC0, "Sundanese Supplement" },
{ 0x1CC8, "Unassigned" },
{ 0x1CD0, "Vedic Extensions" },
{ 0x1CFA, "Unassigned" },
{ 0x1D00, "Phonetic Extensions" },
{ 0x1D80, "Phonetic Extensions Supplement" },
{ 0x1DC0, "Combining Diacritical Marks Supplement" },
{ 0x1E00, "Latin Extended Additional" },
{ 0x1F00, "Greek Extended" },
{ 0x2000, "General Punctuation" },
{ 0x2070, "Superscripts and Subscripts" },
{ 0x2095, "Unassigned" },
{ 0x20A0, "Currency Symbols" },
{ 0x20BE, "Unassigned" },
{ 0x20D0, "Combining Diacritical Marks for Symbols" },
{ 0x20F1, "Unassigned" },
{ 0x2100, "Letterlike Symbols" },
{ 0x2150, "Number Forms" },
{ 0x2190, "Arrows" },
{ 0x2200, "Mathematical Operators" },
{ 0x2300, "Miscellaneous Technical" },
{ 0x2400, "Control Pictures" },
{ 0x2437, "Unassigned" },
{ 0x2440, "Optical Character Recognition" },
{ 0x244B, "Unassigned" },
{ 0x2460, "Enclosed Alphanumerics" },
{ 0x2500, "Box Drawing" },
{ 0x2580, "Block Elements" },
{ 0x25A0, "Geometric Shapes" },
{ 0x2600, "Miscellaneous Symbols" },
{ 0x2700, "Dingbats" },
{ 0x27C0, "Miscellaneous Mathematical Symbols-A" },
{ 0x27F0, "Supplemental Arrows-A" },
{ 0x2800, "Braille Patterns" },
{ 0x2900, "Supplemental Arrows-B" },
{ 0x2980, "Miscellaneous Mathematical Symbols-B" },
{ 0x2A00, "Supplemental Mathematical Operators" },
{ 0x2B00, "Miscellaneous Symbols and Arrows" },
{ 0x2B56, "Unassigned" }, /* Unicode 5.1 */
{ 0x2BF0, "Unassigned" },
{ 0x2C00, "Glagolitic" },
{ 0x2C60, "Latin Extended-C" },
{ 0x2C80, "Coptic" },
{ 0x2D00, "Georgian Supplement" },
{ 0x2D26, "Unassigned" },
{ 0x2D30, "Tifinagh" },
{ 0x2D80, "Ethiopic Extended" },
{ 0x2DE0, "Cyrillic Extended-A" },
{ 0x2E00, "Supplemental Punctuation" },
{ 0x2E43, "Unassigned" },
{ 0x2E80, "CJK Radicals Supplement" },
{ 0x2EF5, "Unassigned" },
{ 0x2F00, "Kangxi Radicals" },
{ 0x2FD6, "Unassigned" },
{ 0x2FE0, "Unassigned" },
{ 0x2FF0, "Ideographic Description Characters" },
{ 0x2FFC, "Unassigned" },
{ 0x3000, "CJK Symbols and Punctuation" },
{ 0x3040, "Hiragana" },
{ 0x30A0, "Katakana" },
{ 0x3100, "Bopomofo" },
{ 0x3130, "Hangul Compatibility Jamo" },
{ 0x3190, "Kanbun" },
{ 0x31A0, "Bopomofo Extended" },
{ 0x31BB, "Unassigned" },
{ 0x31C0, "CJK Strokes" },
{ 0x31E4, "Unassigned" },
{ 0x31F0, "Katakana Phonetic Extensions" },
{ 0x3200, "Enclosed CJK Letters and Months" },
{ 0x3300, "CJK Compatibility" },
{ 0x3400, "CJK Unified Ideographs Extension A" },
{ 0x4DB6, "Unassigned" },
{ 0x4DC0, "Yijing Hexagram Symbols" },
{ 0x4E00, "CJK Unified Ideographs" },
{ 0x9FD6, "Unassigned" },
{ 0xA000, "Yi Syllables" },
{ 0xA48D, "Unassigned" },
{ 0xA490, "Yi Radicals" },
{ 0xA4C7, "Unassigned" },
{ 0xA4D0, "Lisu" },
{ 0xA500, "Vai" },
{ 0xA62C, "Unassigned" },
{ 0xA640, "Cyrillic Extended-B" },
{ 0xA6A0, "Bamum" },
{ 0xA700, "Modifier Tone Letters" },
{ 0xA720, "Latin Extended-D" },
{ 0xA800, "Syloti Nagri" },
{ 0xA82C, "Unassigned" },
{ 0xA830, "Common Indic Number Forms" },
{ 0xA83A, "Unassigned" },
{ 0xA840, "Phags-pa" },
{ 0xA878, "Unassigned" },
{ 0xA880, "Saurashtra" },
{ 0xA8DA, "Unassigned" },
{ 0xA8E0, "Devanagari Extended" },
{ 0xA8FE, "Unassigned" },
{ 0xA900, "Kayah Li" },
{ 0xA930, "Rejang" },
{ 0xA960, "Hangul Jamo Extended-A" },
{ 0xA97D, "Unassigned" },
{ 0xA980, "Javanese" },
{ 0xA9E0, "Myanmar Extended-B" },
{ 0xAA00, "Cham" },
{ 0xAA60, "Myanmar Extended-A" },
{ 0xAA80, "Tai Viet" },
{ 0xAAE0, "Meetei Mayek Extensions" },
{ 0xAB00, "Ethiopic Extended-A" },
{ 0xAB30, "Latin Extended-E" },
{ 0xAB66, "Unassigned" },
{ 0xAB70, "Cherokee Supplement" },
{ 0xABC0, "Meetei Mayek" },
{ 0xABFA, "Unassigned" },
{ 0xAC00, "Hangul Syllables" },
{ 0xD7B0, "Hangul Jamo Extended-B" },
{ 0xD7FC, "Unassigned" },
/*{ 0xD800, "High Surrogates" }, */ /* UTF-16 compatibility */
/*{ 0xDC00, "Low Surrogates" }, */ /* UTF-16 compatibility */
{ 0xE000, "Private Use Area" },
{ 0xF900, "CJK Compatibility Ideographs" },
{ 0xFAEA, "Unassigned" },
{ 0xFB00, "Alphabetic Presentation Forms" },
{ 0xFB50, "Arabic Presentation Forms-A" },
{ 0xFE00, "Variation Selectors" },
{ 0xFE10, "Vertical Forms" },
{ 0xFE1A, "Unassigned" },
{ 0xFE20, "Combining Half Marks" },
{ 0xFE30, "CJK Compatibility Forms" },
{ 0xFE50, "Small Form Variants" },
{ 0xFE6C, "Unassigned" },
{ 0xFE70, "Arabic Presentation Forms-B" },
{ 0xFF00, "Halfwidth and Fullwidth Forms" },
{ 0xFFF0, "Unassigned" },
{ 0xFFF9, "Specials" },
{ 0xFFFE, "Unassigned" },
{ 0x10000, "*Supplementary Multilingual" },
{ 0x10000, "Linear B Syllabary" },
{ 0x1007E, "Unassigned" },
{ 0x10080, "Linear B Ideograms" },
{ 0x100FB, "Unassigned" },
{ 0x10100, "Aegean Numbers" },
{ 0x10140, "Ancient Greek Numbers" },
{ 0x1018D, "Unassigned" },
{ 0x10190, "Ancient Symbols" },
{ 0x1019C, "Unassigned" },
{ 0x101D0, "Phaistos Disc" },
{ 0x10200, "Unassigned" },
{ 0x10280, "Lycian" },
{ 0x1029D, "Unassigned" },
{ 0x102A0, "Carian" },
{ 0x102D1, "Unassigned" },
{ 0x102E0, "Coptic Epact Numbers" },
{ 0x102FC, "Unassigned" },
{ 0x10300, "Old Italic" },
{ 0x10324, "Unassigned" },
{ 0x10330, "Gothic" },
{ 0x1034B, "Unassigned" },
{ 0x10350, "Old Permic" },
{ 0x10380, "Ugaritic" },
{ 0x103A0, "Old Persian" },
{ 0x103D6, "Unassigned" },
{ 0x103E0, "Unassigned" },
{ 0x10400, "Deseret" },
{ 0x10450, "Shavian" },
{ 0x10480, "Osmanya" },
{ 0x104AA, "Unassigned" },
{ 0x104B0, "Unassigned" },
{ 0x10500, "Elbasan" },
{ 0x10528, "Unassigned" },
{ 0x10530, "Caucasian Albanian" },
{ 0x10570, "Unassigned" },
{ 0x10600, "Linear A" },
{ 0x10768, "Unassigned" },
{ 0x10780, "Unassigned" },
{ 0x10800, "Cypriot Syllabary" },
{ 0x10840, "Imperial Aramaic" },
{ 0x10860, "Palmyrene" },
{ 0x10880, "Nabataean" },
{ 0x108B0, "Unassigned" },
{ 0x108E0, "Hatran" },
{ 0x10900, "Phoenician" },
{ 0x10920, "Lydian" },
{ 0x10940, "Unassigned" },
{ 0x10980, "Meroitic Hieroglyphs" },
{ 0x109A0, "Meroitic Cursive" },
{ 0x10A00, "Kharoshthi" },
{ 0x10A59, "Unassigned" },
{ 0x10A60, "Old South Arabian" },
{ 0x10A80, "Old North Arabian" },
{ 0x10AA0, "Unassigned" },
{ 0x10AC0, "Manichaean" },
{ 0x10AF7, "Unassigned" },
{ 0x10B00, "Avestan" },
{ 0x10B40, "Inscriptional Parthian" },
{ 0x10B60, "Inscriptional Pahlavi" },
{ 0x10B80, "Psalter Pahlavi" },
{ 0x10BB0, "Unassigned" },
{ 0x10C00, "Old Turkic" },
{ 0x10C49, "Unassigned" },
{ 0x10C50, "Unassigned" },
{ 0x10C80, "Old Hungarian" },
{ 0x10D00, "Unassigned" },
{ 0x10E60, "Rumi Numeral Symbols" },
{ 0x10E80, "Unassigned" },
{ 0x11000, "Brahmi" },
{ 0x11070, "Unassigned" },
{ 0x11080, "Kaithi" },
{ 0x110C2, "Unassigned" },
{ 0x110D0, "Sora Sompeng" },
{ 0x110FA, "Unassigned" },
{ 0x11100, "Chakma" },
{ 0x11144, "Unassigned" },
{ 0x11150, "Mahajani" },
{ 0x11177, "Unassigned" },
{ 0x11180, "Sharada" },
{ 0x111E0, "Sinhala Archaic Numbers" },
{ 0x111F5, "Unassigned" },
{ 0x11200, "Khojki" },
{ 0x1123E, "Unassigned" },
{ 0x11250, "Unassigned" },
{ 0x11280, "Multani" },
{ 0x112AA, "Unassigned" },
{ 0x112B0, "Khudawadi" },
{ 0x112FA, "Unassigned" },
{ 0x11300, "Grantha" },
{ 0x11375, "Unassigned" },
{ 0x11380, "Unassigned" },
{ 0x11480, "Tirhuta" },
{ 0x114DA, "Unassigned" },
{ 0x114E0, "Unassigned" },
{ 0x11580, "Siddham" },
{ 0x115DE, "Unassigned" },
{ 0x11600, "Modi" },
{ 0x1165A, "Unassigned" },
{ 0x11660, "Unassigned" },
{ 0x11680, "Takri" },
{ 0x116CA, "Unassigned" },
{ 0x116D0, "Unassigned" },
{ 0x11700, "Ahom" },
{ 0x11740, "Unassigned" },
{ 0x118A0, "Warang Citi" },
{ 0x11900, "Unassigned" },
{ 0x11AC0, "Pau Cin Hau" },
{ 0x11AF9, "Unassigned" },
{ 0x11B00, "Unassigned" },
{ 0x12000, "Cuneiform" },
{ 0x1239A, "Unassigned" },
{ 0x12400, "Cuneiform Numbers and Punctuation" },
{ 0x12475, "Unassigned" },
{ 0x12480, "Early Dynastic Cuneiform" },
{ 0x12544, "Unassigned" },
{ 0x12550, "Unassigned" },
{ 0x13000, "Egyptian Hieroglyphs" },
{ 0x13430, "Unassigned" },
{ 0x14400, "Anatolian Hieroglyphs" },
{ 0x14647, "Unassigned" },
{ 0x14680, "Unassigned" },
{ 0x16800, "Bamum Supplement" },
{ 0x16A39, "Unassigned" },
{ 0x16A40, "Mro" },
{ 0x16A70, "Unassigned" },
{ 0x16AD0, "Bassa Vah" },
{ 0x16AF6, "Unassigned" },
{ 0x16B00, "Pahawh Hmong" },
{ 0x16B90, "Unassigned" },
{ 0x16F00, "Miao" },
{ 0x16FA0, "Unassigned" },
{ 0x1B000, "Kana Supplement" },
{ 0x1B002, "Unassigned" },
{ 0x1B100, "Unassigned" },
{ 0x1BC00, "Duployan Shorthand" },
{ 0x1BCA4, "Unassigned" },
{ 0x1BCB0, "Unassigned" },
{ 0x1D000, "Byzantine Musical Symbols" },
{ 0x1D0F5, "Unassigned" },
{ 0x1D100, "Musical Symbols" },
{ 0x1D1E9, "Unassigned" },
{ 0x1D200, "Ancient Greek Musical Notation" },
{ 0x1D246, "Unassigned" },
{ 0x1D250, "Unassigned" },
{ 0x1D300, "Tai Xuan Jing Symbols" },
{ 0x1D357, "Unassigned" },
{ 0x1D360, "Counting Rod Numerals" },
{ 0x1D372, "Unassigned" },
{ 0x1D380, "Unassigned" },
{ 0x1D400, "Mathematical Alphanumeric Symbols" },
{ 0x1D800, "Sutton SignWriting" },
{ 0x1DAB0, "Unassigned" },
{ 0x1E800, "Mende Kikakui" },
{ 0X1E8D7, "Unassigned" },
{ 0x1E8E0, "Unassigned" },
{ 0x1EE00, "Arabic Mathematical Alphabetic Symbols" },
{ 0X1EEFC, "Unassigned" },
{ 0x1EF00, "Unassigned" },
{ 0x1F000, "Mahjong Tiles" },
{ 0x1F02C, "Unassigned" },
{ 0x1F030, "Domino Tiles" },
{ 0x1F094, "Unassigned" },
{ 0x1F0A0, "Playing Cards" },
{ 0x1F0F6, "Unassigned" },
{ 0x1F100, "Enclosed Alphanumeric Supplement" },
{ 0x1F19B, "Unassigned" },
{ 0x1F1E6, "Enclosed Alphanumeric Supplement" },
{ 0x1F200, "Enclosed Ideographic Supplement" },
{ 0x1F252, "Unassigned" },
{ 0x1F300, "Miscellaneous Symbols and Pictographs" },
{ 0x1F600, "Emoticons" },
{ 0x1F650, "Ornamental Dingbats" },
{ 0x1F680, "Transport and Map Symbols" },
{ 0x1F6F4, "Unassigned" },
{ 0x1F700, "Alchemical Symbols" },
{ 0x1F774, "Unassigned" },
{ 0x1F780, "Geometric Shapes Extended" },
{ 0x1F7D5, "Unassigned" },
{ 0x1F800, "Supplemental Arrows-C" },
{ 0x1F8AD, "Unassigned" },
{ 0x1F910, "Supplemental Symbols and Pictographs" },
{ 0x1F9C1, "Unassigned" },
{ 0x1FA00, "Unassigned" },
{ 0x20000, "*Supplementary Ideographic" },
{ 0x20000, "CJK Unified Ideographs Extension B" },
{ 0x2A6D7, "Unassigned" },
{ 0x2A6E0, "Unassigned" },
{ 0x2A700, "CJK Unified Ideographs Extension C" },
{ 0x2B740, "Unassigned" },
{ 0x2B740, "CJK Unified Ideographs Extension D" },
{ 0x2B820, "Unassigned" },
{ 0x2B820, "CJK Unified Ideographs Extension E" },
{ 0x2CEA2, "Unassigned" },
{ 0x2CEB0, "Unassigned" },
{ 0x2F800, "CJK Compatibility Ideographs Supplement" },
{ 0x2FA20, "Unassigned" },
{ 0x30000, "*Unassigned Plane 3" },
{ 0x40000, "*Unassigned Plane 4" },
{ 0x50000, "*Unassigned Plane 5" },
{ 0x60000, "*Unassigned Plane 6" },
{ 0x70000, "*Unassigned Plane 7" },
{ 0x80000, "*Unassigned Plane 8" },
{ 0x90000, "*Unassigned Plane 9" },
{ 0xA0000, "*Unassigned Plane 10" },
{ 0xB0000, "*Unassigned Plane 11" },
{ 0xC0000, "*Unassigned Plane 12" },
{ 0xD0000, "*Unassigned Plane 13" },
{ 0xE0000, "*Supplementary Special-Purpose" },
{ 0xE0080, "Unassigned" },
{ 0xE0020, "Tags" },
{ 0xE0080, "Unassigned" },
{ 0xE0100, "Variation Selectors Supplement" },
{ 0xE01F0, "Unassigned" },
{ 0xF0000, "*Supplementary Private Use Area A" },
{ 0x100000, "*Supplementary Private Use Area B" },
};
static char *
strip (char *s)
{
unsigned long L;
while (*s == ' ' || *s == '\t' || *s == '\n')
s++;
L = strlen (s);
while (s[L-1] == ' ' || s[L-1] == '\t' || s[L-1] == '\n')
s[--L] = 0;
return s;
}
/* matches ("AA, BB, CC", "CC") => True
matches ("AA, BB, CC", "CCx") => False
*/
static Bool
matches (const char *pattern, const char *string)
{
char *token = strdup (pattern ? pattern : "");
char *otoken = token;
char *name;
Bool match = False;
while ((name = strtok (token, ","))) {
token = 0;
name = strip (name);
if (*name && !strcasecmp (name, string))
{
match = True;
break;
}
}
free (otoken);
return match;
}
static void
pick_unichar (ModeInfo *mi)
{
unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
int i;
unsigned long min = 0;
unsigned long max = 0x2F800;
unsigned long last = 0;
int retries = 0;
time_t start_time = time ((time_t *) 0);
AGAIN:
bp->unichar = min + (random() % (max - min));
if (++retries > 0xF0000 / 2)
{
fprintf (stderr, "%s: internal error: too many retries\n", progname);
exit (1);
}
/* bp->unichar = 0x1F4A9; */
last = 0;
bp->charplane = "Unassigned";
bp->charblock = "Unassigned";
for (i = 0; i < countof(unicode_block_names); i++)
{
if (unicode_block_names[i].start < last)
{
fprintf (stderr, "%s: progname: internal error: misordered: 0x%lX\n",
progname, unicode_block_names[i].start);
exit (1);
}
last = unicode_block_names[i].start;
if (bp->unichar >= unicode_block_names[i].start)
{
if (unicode_block_names[i].name[0] == '*')
{
bp->charplane = unicode_block_names[i].name + 1;
bp->charblock = "Unassigned";
}
else
bp->charblock = unicode_block_names[i].name;
}
else
break;
}
if (!strncmp (bp->charblock, "Unassigned", 10) ||
!strncmp (bp->charblock, "Combining", 9))
goto AGAIN;
if (*do_block && !matches (do_block, bp->charblock))
goto AGAIN;
/* Skip blank characters */
{
XCharStruct e;
char text[10];
i = utf8_encode (bp->unichar, text, sizeof(text) - 1);
text[i] = 0;
texture_string_metrics (bp->char_font, text, &e, 0, 0);
if (e.width < 2 ||
e.ascent + e.descent < 2 ||
blank_character_p (bp->char_font, text))
{
time_t now = time ((time_t *) 0);
if (now < start_time + 5) /* Might be a *very* bad font... */
goto AGAIN;
}
}
# ifdef HAVE_JWXYZ
bp->charname = texfont_unicode_character_name (bp->char_font, bp->unichar);
# endif
bp->color[0] = 0.5 + frand(0.5);
bp->color[1] = 0.5 + frand(0.5);
bp->color[2] = 0.5 + frand(0.5);
bp->color[3] = 1;
}
static void
draw_unichar (ModeInfo *mi)
{
unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
char text[10];
char title[400];
XCharStruct e;
int w, h, i, j;
GLfloat s;
i = utf8_encode (bp->unichar, text, sizeof(text) - 1);
text[i] = 0;
*title = 0;
sprintf (title + strlen(title), "Plane:\t%s\n", bp->charplane);
sprintf (title + strlen(title), "Block:\t%s\n", bp->charblock);
# ifdef HAVE_JWXYZ
sprintf (title + strlen(title), "Name:\t%s\n",
(bp->charname ? bp->charname : ""));
#endif
sprintf (title + strlen(title), "Unicode:\t%04lX\n", bp->unichar);
sprintf (title + strlen(title), "UTF-8:\t");
for (j = 0; j < i; j++)
sprintf (title + strlen(title), "%02X ", ((unsigned char *)text)[j]);
texture_string_metrics (bp->char_font, text, &e, 0, 0);
w = e.width;
h = e.ascent;
s = 9;
glScalef (s, s, s);
s = 1.0 / (h > w ? h : w); /* Scale to unit */
glScalef (s, s, s);
glTranslatef (-w/2, -h/2, 0);
glColor4fv (bp->color);
print_texture_string (bp->char_font, text);
glColor3f (1, 1, 0);
if (do_titles)
print_texture_label (mi->dpy, bp->title_font,
mi->xgwa.width, mi->xgwa.height,
1, title);
}
/* Window management, etc
*/
ENTRYPOINT void
reshape_unicrud (ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
int y = 0;
if (width > height * 5) { /* tiny window: show middle */
height = width * 9/16;
y = -height/2;
h = height / (GLfloat) width;
}
glViewport (0, y, (GLint) width, (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective (30.0, 1/h, 1.0, 100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt( 0.0, 0.0, 30.0,
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
{
GLfloat s = (MI_WIDTH(mi) < MI_HEIGHT(mi)
? (MI_WIDTH(mi) / (GLfloat) MI_HEIGHT(mi))
: 1);
glScalef (s, s, s);
}
glClear(GL_COLOR_BUFFER_BIT);
}
ENTRYPOINT Bool
unicrud_handle_event (ModeInfo *mi, XEvent *event)
{
unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
if (gltrackball_event_handler (event, bp->trackball,
MI_WIDTH (mi), MI_HEIGHT (mi),
&bp->button_down_p))
return True;
else if (event->xany.type == KeyPress)
{
KeySym keysym;
char c = 0;
XLookupString (&event->xkey, &c, 1, &keysym, 0);
if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
{
if (bp->state == LINGER) bp->ratio = 1;
return True;
}
}
return False;
}
ENTRYPOINT void
init_unicrud (ModeInfo *mi)
{
unicrud_configuration *bp;
MI_INIT (mi, bps);
bp = &bps[MI_SCREEN(mi)];
bp->glx_context = init_GL(mi);
reshape_unicrud (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
{
double spin_speed = 0.05;
double wander_speed = 0.01;
double spin_accel = 1.0;
bp->rot = make_rotator (do_spin ? spin_speed : 0,
do_spin ? spin_speed : 0,
do_spin ? spin_speed : 0,
spin_accel,
do_wander ? wander_speed : 0,
False);
bp->trackball = gltrackball_init (True);
}
bp->title_font = load_texture_font (mi->dpy, "titleFont");
bp->char_font = load_texture_font (mi->dpy, "font");
bp->state = IN;
bp->ratio = 0;
bp->spin_direction = (random() & 1) ? 1 : -1;
if (matches ("all", do_block))
do_block = strdup("");
{
char *s;
for (s = do_block; *s; s++)
if (*s == '_') *s = ' ';
}
if (matches ("help", do_block))
{
int i;
fprintf (stderr,
"%s: --blocks must contain one or more of these,"
" separated by commas:\n\n", progname);
for (i = 0; i < countof(unicode_block_names); i++)
{
const char *n = unicode_block_names[i].name;
if (*n == '*')
continue;
if (!strncmp (n, "Unassigned", 10) ||
!strncmp (n, "Combining", 9))
continue;
fprintf (stderr, "\t%s\n", n);
}
fprintf (stderr, "\n");
exit (1);
}
/* Make sure all elements in --block are valid.
*/
if (*do_block)
{
char *token = strdup (do_block ? do_block : "");
char *otoken = token;
char *name;
while ((name = strtok (token, ","))) {
token = 0;
name = strip (name);
if (*name)
{
Bool match = False;
int i;
for (i = 0; i < countof(unicode_block_names); i++)
{
const char *n = unicode_block_names[i].name;
if (*n == '*')
continue;
if (!strncmp (n, "Unassigned", 10) ||
!strncmp (n, "Combining", 9))
continue;
if (!strcasecmp (name, n))
{
match = True;
break;
}
}
if (! match)
{
fprintf (stderr, "%s: unknown block name: \"%s\"\n",
progname, name);
fprintf (stderr, "%s: use '--block help' for a list\n",
progname);
exit (1);
}
}
}
free (otoken);
}
pick_unichar (mi);
}
ENTRYPOINT void
draw_unicrud (ModeInfo *mi)
{
unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
if (!bp->glx_context)
return;
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
glShadeModel (GL_FLAT);
glEnable (GL_NORMALIZE);
glDisable (GL_CULL_FACE);
glDisable (GL_LIGHTING);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (! bp->button_down_p)
switch (bp->state) {
case IN: bp->ratio += speed * 0.05; break;
case OUT: bp->ratio += speed * 0.05; break;
case LINGER: bp->ratio += speed * 0.005; break;
default: abort();
}
if (bp->ratio > 1.0)
{
bp->ratio = 0;
switch (bp->state) {
case IN:
bp->state = LINGER;
break;
case LINGER:
bp->state = OUT;
bp->spin_direction = (random() & 1) ? 1 : -1;
break;
case OUT:
bp->state = IN;
pick_unichar(mi);
break;
default: abort();
}
}
glPushMatrix ();
{
double x, y, z;
get_position (bp->rot, &x, &y, &z, !bp->button_down_p);
glTranslatef((x - 0.5) * 6,
(y - 0.5) * 6,
(z - 0.5) * 6);
gltrackball_rotate (bp->trackball);
get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
x = y = 0;
glRotatef (x * 360, 1.0, 0.0, 0.0);
glRotatef (y * 360, 0.0, 1.0, 0.0);
glRotatef (z * 360, 0.0, 0.0, 1.0);
}
# define SINOID(N) (sin(M_PI - (N) / 2 * M_PI))
{
GLfloat s;
switch (bp->state) {
case IN: s = SINOID (bp->ratio); break;
case OUT: s = SINOID (1-bp->ratio); break;
default: s = 1; break;
}
glScalef (s, s, s);
glRotatef (360 * s * bp->spin_direction * (bp->state == IN ? -1 : 1),
0, 0, 1);
}
draw_unichar (mi);
glPopMatrix ();
if (mi->fps_p) do_fps (mi);
glFinish();
glXSwapBuffers(dpy, window);
}
ENTRYPOINT void
free_unicrud (ModeInfo *mi)
{
unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
if (!bp->glx_context) return;
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *bp->glx_context);
if (bp->trackball) gltrackball_free (bp->trackball);
if (bp->rot) free_rotator (bp->rot);
if (bp->title_font) free_texture_font (bp->title_font);
if (bp->char_font) free_texture_font (bp->char_font);
}
XSCREENSAVER_MODULE_2 ("Unicrud", unicrud, unicrud)
#endif /* USE_GL */
