mirror of
https://github.com/gryf/wmaker.git
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4cb5649545
This thing is completely broken! There are functions that take a completely different set of arguments than the ones currently used to call them. There are even functions that are not defined anywhere but called from wtext.c Please fix it before re-enabling it in Makefile.am
446 lines
15 KiB
C
446 lines
15 KiB
C
/* WINGsP.h should NEVER be included from user applications */
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#include <WINGsP.h>
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#include <WINGs.h>
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#include <X11/Xlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <ctype.h>
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void
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wAbort()
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{
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exit(0);
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}
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void
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Close(WMWidget *self, void *client)
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{
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exit(0);
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}
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/* =============== a rudimentary HTML parser ======================= */
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/* due to the WMSetTextParser stuff, it should not
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be too hard to add parsers. like dis :-] */
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/*
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* A hack to speed up caseless_equal. Thanks to Quincey Koziol for
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* developing it for the "chimera" folks so I could use it 7 years later ;-)
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* Constraint: nothing but '\0' may map to 0
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*/
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unsigned char map_table[256] =
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{
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
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33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
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49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
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97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
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111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 91, 92,
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93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
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108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
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122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135,
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136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
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150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163,
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164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177,
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178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
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192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
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206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
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220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
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234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
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248, 249, 250, 251, 252, 253, 254, 255};
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#define TOLOWER(x) (map_table[(int)x])
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static int
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mystrcasecmp(const unsigned char *s1, const unsigned char *s2)
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{
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if (!*s1 || !*s2) return 0;
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while (*s2 != '\0') {
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if (TOLOWER (*s1) != TOLOWER (*s2)) /* true if *s1 == 0 ! */
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return 0;
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s1++;
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s2++;
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}
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return (*s1=='\0' ||!isalnum(*s1))?1:0;
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}
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typedef struct _currentFormat {
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void *para;
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WMBag *fonts;
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WMBag *colors;
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WMColor *ccolor;
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WMFont *cfont;
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WMParserActions actions;
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//WMBag *aligns; // for tables...
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/* the following are "nested"
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i.e.: <b><b><i></b><b></i>
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1 2 1 1 2 0 get it? */
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short i;
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short b;
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short u;
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short fmargin;
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short bmargin;
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WMAlignment align:2;
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short type:1;
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short ul:3; /* how "nested"... up to 8 levels deep */
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short comment:1; /* ignore text till --> */
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short RESERVED:10;
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} CFMT;
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CFMT cfmt;
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#if 0
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getArg(char *t, short type, void *arg)
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{
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short d=0;
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while(*(++t) && !d) {
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if(type==0) {
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if(*t>='0' && *t<='9') {
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sscanf(t, "%d", arg);
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while(*t&& (*t<'0' || *t>'9'))
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t++;
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d=1;
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}
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}
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}
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}
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#endif
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void
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parseToken(WMText *tPtr, char *token, short tk)
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{
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short mode=0; /* 0 starts, 1 closes */
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WMScreen *scr = (W_VIEW(tPtr))->screen;
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while(*token && isspace(*(token))) token++;
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if(*token == '/') {
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token++;
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mode = 1;
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while(isspace(*(token))) token++;
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}
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if(strlen(token)==1) {
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/* nice and fast for small tokens... no need for too much brain
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power here */
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switch(TOLOWER(*token)) {
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case 'i':
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if(!mode) {
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cfmt.cfont = WMGetFontItalic(scr, cfmt.cfont);
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WMPutInBag(cfmt.fonts, (void *)cfmt.cfont);
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} else { /*dun wanna remove the baseFont eh? */
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int count = WMGetBagItemCount(cfmt.fonts);
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if(count>1)
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WMDeleteFromBag(cfmt.fonts, count-1);
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cfmt.cfont = (WMFont *)WMGetFromBag(cfmt.fonts,
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WMGetBagItemCount(cfmt.fonts)-1);
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} break;
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case 'b':
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if(!mode) {
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cfmt.cfont = WMGetFontBold(scr, cfmt.cfont);
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WMPutInBag(cfmt.fonts, (void *)cfmt.cfont);
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} else { /*dun wanna remove the baseFont eh? */
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int count = WMGetBagItemCount(cfmt.fonts);
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if(count>1)
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WMDeleteFromBag(cfmt.fonts, count-1);
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cfmt.cfont = (WMFont *)WMGetFromBag(cfmt.fonts,
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WMGetBagItemCount(cfmt.fonts)-1);
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} break;
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case 'p':
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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break;
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case 'u': cfmt.u = !mode; break;
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}
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} else { /* the <HTML> tag is, as far as I'm concerned, useless */
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if(mystrcasecmp(token, "br")) {
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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}
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else if(mystrcasecmp(token, "ul")) {
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if(mode) {
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if(cfmt.ul>1) cfmt.ul--;
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} else cfmt.ul++;
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if(cfmt.ul) {
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cfmt.bmargin = cfmt.ul*30;
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cfmt.fmargin = cfmt.bmargin-10;
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} else cfmt.fmargin = cfmt.bmargin = 0;
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} else if(mystrcasecmp(token, "li")) {
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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} else if(mystrcasecmp(token, "align"))
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;//printf("align");
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else if(mystrcasecmp(token, "img")) {
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if(!mode) {
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char *mark=NULL;
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WMPixmap *pixmap;
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void *chunk;
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token+=3;
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while(isspace(*(token))) token++;
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do {
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switch(TOLOWER(*token)) {
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case 's':
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if(TOLOWER(*(1+token)) == 'r' && TOLOWER(*(2+token)) == 'c') {
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mark = strchr(token, '=');
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if(mark) {
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char img[256], *iptr;
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token = mark+1;
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if(!token) return;
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sscanf(token, "%s", img);
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iptr = img;
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if(*img == '\"') { img[strlen(img)-1] = 0; iptr++;}
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pixmap = WMCreatePixmapFromFile(scr, iptr);
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chunk = (cfmt.actions.createPChunk)(pixmap, 0, False);
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(cfmt.actions.insertChunk) (tPtr, chunk, False);
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printf("[%s]\n", iptr);
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} } break; } } while(*(token++));
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}
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} else if(mystrcasecmp(token, "font")) {
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#if 0
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if(mode) {
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cfmt.cfont = (WMFont *)WMGetFromBag(cfmt.fonts,
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WMGetBagItemCount(cfmt.fonts)-1);
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} else
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(WMColor *)WMGetFromBag(cfmt.colors,
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WMGetBagItemCount(cfmt.colors)-1),
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#endif
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}
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else if(mystrcasecmp(token, "center")) {
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printf("center\n");
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if(mode) cfmt.align = WALeft;
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else cfmt.align = WACenter;
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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}
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}
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//printf("parse token (%s)[%s]\n", mode?"close":"open", token);
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#if 0
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i=0;
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//while(*token && !isspace(*(token))) token++;
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//printf("A:%d a:%d z%d Z%d\n", '1', 'a', 'Z', 'z');
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do {
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if(!mm) {
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if(c>=65 && c<=122) { major[i++] = c;
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} else if(c==' ' || c=='='){ major[i] = 0; i=0; mm=1;
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printf("\nmajor: [%s]", major);}
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} else {
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if(c!=' ') {
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minor[i++] = c;
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} else { minor[i] = 0; i=0; printf(" minor: [%s] ", minor);}
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}
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}while((c = *(++token)));
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#endif
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//printf("parse token (%s)[%s]\n", mode?"close":"open", token);
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}
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void
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HTMLParser(WMWidget *w, void *clientData, short type)
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{
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static short init=1; /* have we been here at least once before? */
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char *stream = (char *) clientData;
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WMText *tPtr = (WMText *)w;
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WMScreen *scr;
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void *chunk;
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char c;
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#define MAX_TOKEN_SIZE 255
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char token[MAX_TOKEN_SIZE+1];
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#define MAX_TEXT_SIZE 1023
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char text[MAX_TEXT_SIZE+1];
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short mode=0;
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short tk=0, txt=0;
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short wasspace=0;
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if(!tPtr || !stream)
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return;
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scr = (W_VIEW(tPtr))->screen;
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cfmt.type = type;
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if(init) {
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cfmt.actions = WMGetTextParserActions(tPtr);
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cfmt.fonts = WMCreateBag(4); /* there sould always be at least 1 font... */
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cfmt.cfont = WMSystemFontOfSize(scr, 12);
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WMPutInBag(cfmt.fonts, (void *)cfmt.cfont);
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cfmt.colors = WMCreateBag(4);
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cfmt.ccolor = WMBlackColor(scr);
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WMPutInBag(cfmt.colors, (void *)cfmt.ccolor);
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cfmt.i = cfmt.b = cfmt.u = cfmt.ul = 0;
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cfmt.align = WALeft;
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cfmt.fmargin = cfmt.bmargin = 0;
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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init = 0;
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}
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#if 1
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if(strlen(stream) == 1 && stream[0] == '\n') {
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/* sometimes if the text entered is a single char AND is a newline,
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the user prolly typed it */
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cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
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WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
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(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
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return;
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}
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#endif
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/*
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*/
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while( (c=*(stream++))) {
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//printf("%c", c);
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if(c == '\n' || c =='\t')
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//c = ' '; //continue;
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continue;
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if(c == ' ') {
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if(wasspace)
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continue;
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wasspace = 1;
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}else wasspace = 0;
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if(c == '<' && !mode) {
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mode=1;
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if(txt>0) {
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text[txt] = 0;
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chunk = (cfmt.actions.createTChunk)(text, txt, cfmt.cfont,
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cfmt.ccolor, 0, (cfmt.u?1:0));
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(cfmt.actions.insertChunk) (tPtr, chunk, cfmt.type);
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//printf("%s\n", text);
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}
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txt = 0;
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} else if(c == '>' && mode) {
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token[tk] = 0;
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if(tk>0) parseToken(tPtr, token, tk);
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mode=0;
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tk=0;
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} else {
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if(mode) {
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if(tk < MAX_TOKEN_SIZE) token[tk++] = c;
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} else if(txt < MAX_TEXT_SIZE) text[txt++] = c;
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}
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}
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if(tk>0) { token[tk] = 0; parseToken(tPtr, token, tk);}
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if(txt>0) {
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text[txt] = 0;
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//printf("%s\n", text);
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chunk = (cfmt.actions.createTChunk)(text, txt,
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(WMFont *)WMGetFromBag(cfmt.fonts,
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WMGetBagItemCount(cfmt.fonts)-1),
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(WMColor *)WMGetFromBag(cfmt.colors,
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WMGetBagItemCount(cfmt.colors)-1),
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0, (cfmt.u?1:0));
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(cfmt.actions.insertChunk) (tPtr, chunk, cfmt.type);
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}
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}
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/* ================= the driver ================== */
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WMWidget *win;
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WMText *text;
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void
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NotificationObserver(void *self, WMNotification *notif)
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{
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void *object = WMGetNotificationObject(notif);
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unsigned short w = WMWidgetWidth(win);
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unsigned short h = WMWidgetHeight(win);
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if (WMGetNotificationName(notif) == WMViewSizeDidChangeNotification) {
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if (object == WMWidgetView(win)) {
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WMResizeWidget(text, w-20, h-20);
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}
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}
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{static int i=0;
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switch(i++) {
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case 0: WMSetTextHasHorizontalScroller(text, False); break;
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case 1: WMSetTextHasVerticalScroller(text, False); break;
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case 2: WMSetTextHasVerticalScroller(text, True); break;
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case 3: WMSetTextHasHorizontalScroller(text, True); break;
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default: i=0;
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}
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}
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}
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int
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main(int argc, char **argv)
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{
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Display *dpy;
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WMScreen *scr;
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WMInitializeApplication("WMText", &argc, argv);
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dpy = XOpenDisplay(NULL);
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if(!dpy) exit(1);
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scr = WMCreateSimpleApplicationScreen(dpy);
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win = WMCreateWindow(scr, "WMText Test");
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WMRealizeWidget(win);
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WMResizeWidget(win, 500, 300);
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//WMResizeWidget(win, 900, 600);
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WMSetWindowTitle(win,"WMText Test");
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WMSetWindowCloseAction(win, Close, NULL);
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text = WMCreateText(win);
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WMRealizeWidget(text);
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WMResizeWidget(text, 480, 280);
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WMMoveWidget(text, 10, 10);
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WMSetTextUseFixedPitchFont(text, False);
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WMSetTextMonoFont(text, False);
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WMSetTextParser(text, HTMLParser);
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WMSetTextEditable(text, True);
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WMFreezeText(text);
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if(1){
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FILE *f = fopen("./wm.html", "r");
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char data[1024];
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if(f) {
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while(fgets(data, 1022,f))
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WMAppendTextStream(text, data);
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fclose(f);
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} else {
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WMAppendTextStream(text, "<i>can't</i> open the <u>wm.html</u> file, but here's a <B>text <I>stream <img src=foo.bar></I><BR>that</B> <U>needs</U> parsing");
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}
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}
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//WMPrependTextStream(text, "this is prepended\n");
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//WMAppendTextStream(text, "blueplanet.rtf");
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WMThawText(text);
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WMRefreshText(text, 0, 0);
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/*
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WMAddNotificationObserver(NotificationObserver, win,
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WMViewSizeDidChangeNotification, WMWidgetView(win));
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*/
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WMSetViewNotifySizeChanges(WMWidgetView(win), True);
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WMMapSubwidgets(win);
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WMMapWidget(win);
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WMScreenMainLoop(scr);
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}
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