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nwanua
2000-09-29 04:50:56 +00:00
parent 770c3507ed
commit 81f5124cec
5 changed files with 369 additions and 877 deletions
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573
WINGs/Tests/testtext.c
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@@ -1,573 +0,0 @@
#include <stdio.h>
#include <string.h>
#include "WINGs.h"
WMScreen *scr;
void
wAbort()
{
exit(0);
}
void Close(WMWidget *self, void *client)
{
exit(0);
}
extern WMFont * WMGetFontPlain(WMScreen *scrPtr, WMFont *font);
extern WMFont * WMGetFontBold(WMScreen *scrPtr, WMFont *font);
extern WMFont * WMGetFontItalic(WMScreen *scrPtr, WMFont *font);
extern WMFont * WMGetFontOfSize(WMScreen *scrPtr, WMFont *font, int size);
/* =============== a rudimentary HTML parser ======================= */
/* due to the WMSetTextParser stuff, it should not
be too hard to add parsers. like dis :-] */
/*
* A hack to speed up caseless_equal. Thanks to Quincey Koziol for
* developing it for the "chimera" folks so I could use it 7 years later ;-)
* Constraint: nothing but '\0' may map to 0
*/
unsigned char map_table[256] =
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 91, 92,
93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135,
136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163,
164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177,
178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205,
206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
248, 249, 250, 251, 252, 253, 254, 255};
#define TOLOWER(x) (map_table[(int)x])
static int
mystrcasecmp(const unsigned char *s1, const unsigned char *s2)
{
if (!*s1 || !*s2) return 0;
while (*s2 != '\0') {
if (TOLOWER (*s1) != TOLOWER (*s2)) /* true if *s1 == 0 ! */
return 0;
s1++;
s2++;
}
return (*s1=='\0' ||!isalnum(*s1))?1:0;
}
typedef struct _currentFormat {
WMBag *fonts;
WMBag *colors;
WMColor *ccolor;
WMFont *cfont;
WMRulerMargins margins;
//WMBag *aligns; // for tables...
/* the following are "nested"
i.e.: <b><b><i></b><b></i>
1 2 1 1 2 0 get it? */
short i;
short b;
short u;
short fmargin;
short bmargin;
short first:1;
short type:1;
WMAlignment align:2;
short ul:3; /* how "nested"... up to 8 levels deep */
short comment:1; /* ignore text till --> */
short RESERVED:10;
} CFMT;
CFMT cfmt;
#if 0
getArg(char *t, short type, void *arg)
{
short d=0;
while(*(++t) && !d) {
if(type==0) {
if(*t>='0' && *t<='9') {
sscanf(t, "%d", arg);
while(*t&& (*t<'0' || *t>'9'))
t++;
d=1;
}
}
}
}
#endif
void parseToken(WMText *tPtr, char *token, short tk)
{
short mode=0; /* 0 starts, 1 closes */
void *tb= NULL;
int prepend = WMGetTextInsertType(tPtr);
while(*token && isspace(*(token))) token++;
if(*token == '/') {
token++;
mode = 1;
while(isspace(*(token))) token++;
}
if(strlen(token)==1) {
/* nice and fast for small tokens... no need for too much brain
power here */
switch(TOLOWER(*token)) {
case 'i':
if(!mode) {
cfmt.cfont = WMGetFontItalic(scr, cfmt.cfont);
WMPutInBag(cfmt.fonts, (void *)cfmt.cfont);
} else { /*dun wanna remove the baseFont eh? */
int count = WMGetBagItemCount(cfmt.fonts);
if(count>1)
WMDeleteFromBag(cfmt.fonts, count-1);
cfmt.cfont = (WMFont *)WMGetFromBag(cfmt.fonts,
WMGetBagItemCount(cfmt.fonts)-1);
} break;
case 'b':
if(!mode) {
cfmt.cfont = WMGetFontBold(scr, cfmt.cfont);
WMPutInBag(cfmt.fonts, (void *)cfmt.cfont);
} else { /*dun wanna remove the baseFont eh? */
int count = WMGetBagItemCount(cfmt.fonts);
if(count>1)
WMDeleteFromBag(cfmt.fonts, count-1);
cfmt.cfont = (WMFont *)WMGetFromBag(cfmt.fonts,
WMGetBagItemCount(cfmt.fonts)-1);
} break;
case 'p':
cfmt.first = True;
tb = WMCreateTextBlockWithText(NULL, cfmt.cfont,
cfmt.ccolor, cfmt.first, 0);
WMSetTextBlockProperties(tb, cfmt.first, False, (cfmt.u?1:0), 0, cfmt.margins);
//WMAppendTextBlock(tPtr, tb);
cfmt.first = False;
break;
case 'u': cfmt.u = !mode; break;
}
} else { /* the <HTML> tag is, as far as I'm concerned, useless */
if(mystrcasecmp(token, "br")) {
cfmt.first = True;
}
else if(mystrcasecmp(token, "ul")) {
if(mode) {
if(cfmt.ul>1) cfmt.ul--;
} else cfmt.ul++;
if(cfmt.ul) {
cfmt.bmargin = cfmt.ul*30;
cfmt.fmargin = cfmt.bmargin-10;
} else cfmt.fmargin = cfmt.bmargin = 0;
} else if(mystrcasecmp(token, "li")) {
cfmt.first = True;
//change margins... create a new margin....
//(cfmt.fmargin, cfmt.bmargin,
} else if(mystrcasecmp(token, "align"))
;//printf("align");
else if(mystrcasecmp(token, "img")) {
if(!mode) {
char *mark=NULL;
WMPixmap *pixmap;
token+=3;
while(isspace(*(token))) token++;
do {
switch(TOLOWER(*token)) {
case 's':
if(TOLOWER(*(1+token)) == 'r' && TOLOWER(*(2+token)) == 'c') {
mark = strchr(token, '=');
if(mark) {
char img[256], *iptr;
token = mark+1;
if(!token) return;
sscanf(token, "%s", img);
iptr = img;
if(*img == '\"') { img[strlen(img)-1] = 0; iptr++;}
pixmap = WMCreatePixmapFromFile(scr, iptr);
if(pixmap) {
tb = WMCreateTextBlockWithPixmap(pixmap,
iptr, cfmt.ccolor, cfmt.first, 0);
WMSetTextBlockProperties(tb, cfmt.first,
False, (cfmt.u?1:0), 0, cfmt.margins);
WMAppendTextBlock(tPtr, tb);
cfmt.first = False;
}
printf("[%s]\n", iptr);
} } break; } } while(*(token++));
}
} else if(mystrcasecmp(token, "font")) {
#if 0
if(mode) {
cfmt.cfont = (WMFont *)WMGetFromBag(cfmt.fonts,
WMGetBagItemCount(cfmt.fonts)-1);
} else
(WMColor *)WMGetFromBag(cfmt.colors,
WMGetBagItemCount(cfmt.colors)-1),
#endif
}
else if(mystrcasecmp(token, "center")) {
printf("center\n");
if(mode) cfmt.align = WALeft;
else cfmt.align = WACenter;
cfmt.first = True;
//change margins...
}
}
//printf("parse token (%s)[%s]\n", mode?"close":"open", token);
#if 0
i=0;
//while(*token && !isspace(*(token))) token++;
//printf("A:%d a:%d z%d Z%d\n", '1', 'a', 'Z', 'z');
do {
if(!mm) {
if(c>=65 && c<=122) { major[i++] = c;
} else if(c==' ' || c=='='){ major[i] = 0; i=0; mm=1;
printf("\nmajor: [%s]", major);}
} else {
if(c!=' ') {
minor[i++] = c;
} else { minor[i] = 0; i=0; printf(" minor: [%s] ", minor);}
}
}while((c = *(++token)));
#endif
//printf("parse token (%s)[%s]\n", mode?"close":"open", token);
}
void HTMLParser(WMWidget *w, void *clientData)
{
static short init=1; /* have we been here at least once before? */
char *stream = (char *) clientData;
WMText *tPtr = (WMText *)w;
void *tb = NULL;
char c;
#define MAX_TOKEN_SIZE 255
char token[MAX_TOKEN_SIZE+1];
#define MAX_TEXT_SIZE 1023
char text[MAX_TEXT_SIZE+1];
short mode=0;
short tk=0, textlen=0;
short wasspace=0;
if(!tPtr || !stream)
return;
cfmt.type = WMGetTextInsertType(tPtr);
if(1||init) {
cfmt.fonts = WMCreateBag(4); /* there sould always be at least 1 font... */
cfmt.cfont = WMGetTextDefaultFont(tPtr);
WMPutInBag(cfmt.fonts, (void *)cfmt.cfont);
cfmt.colors = WMCreateBag(4);
cfmt.ccolor = WMBlackColor(scr);
WMPutInBag(cfmt.colors, (void *)cfmt.ccolor);
cfmt.i = cfmt.b = cfmt.u = cfmt.ul = 0;
cfmt.align = WALeft;
cfmt.fmargin = cfmt.bmargin = 0;
init = 0;
}
#if 0
if(strlen(stream) == 1 && stream[0] == '\n') {
/* sometimes if the text entered is a single char AND is a newline,
the user prolly typed it */
cfmt.para = (cfmt.actions.createParagraph) (cfmt.fmargin, cfmt.bmargin,
WMWidgetWidth(tPtr)-30, NULL, 0, cfmt.align);
(cfmt.actions.insertParagraph) (tPtr, cfmt.para, cfmt.type);
return;
}
#endif
/*
*/
while( (c=*(stream++))) {
//printf("%c", c);
if(c == '\n' || c =='\t')
//c = ' '; //continue;
continue;
if(c == ' ') {
if(wasspace)
continue;
wasspace = 1;
}else wasspace = 0;
if(c == '<' && !mode) {
mode=1;
if(textlen>0) {
text[textlen] = 0;
tb = WMCreateTextBlockWithText(text, cfmt.cfont,
cfmt.ccolor, cfmt.first, textlen);
WMSetTextBlockProperties(tb, cfmt.first, False, (cfmt.u?1:0), 0, cfmt.margins);
WMAppendTextBlock(tPtr, tb);
cfmt.first = False;
//printf("%s\n", text);
}
textlen = 0;
} else if(c == '>' && mode) {
token[tk] = 0;
if(tk>0) parseToken(tPtr, token, tk);
mode=0;
tk=0;
} else {
if(mode) {
if(tk < MAX_TOKEN_SIZE) token[tk++] = c;
} else if(textlen < MAX_TEXT_SIZE) text[textlen++] = c;
}
}
if(tk>0) { token[tk] = 0; parseToken(tPtr, token, tk);}
if(textlen>0) {
text[textlen] = 0;
//printf("%s\n", text);
tb = WMCreateTextBlockWithText(text,
(WMFont *)WMGetFromBag(cfmt.fonts,
WMGetBagItemCount(cfmt.fonts)-1),
(WMColor *)WMGetFromBag(cfmt.colors,
WMGetBagItemCount(cfmt.colors)-1),
cfmt.first, textlen);
WMSetTextBlockProperties(tb, cfmt.first, False, (cfmt.u?1:0), 0, cfmt.margins);
WMAppendTextBlock(tPtr, tb);
cfmt.first = False;
}
}
/* ================= the driver ================== */
Display *dpy;
static void
buttonPressCB(WMWidget *w, void *client)
{
WMText *tPtr = (WMText *)client;
WMAppendTextStream(tPtr, NULL);
XBell(dpy, 0);
WMAppendTextStream(tPtr,
"<p><b>You</b> just <i>had</i> to press that button, didn't you? "
"Well, this sort of thing is bound to happen when you go about "
" pressing buttons :-)"
"<p><p>Cheers, <p><p><u>Nwanua</u>");
WMRefreshText(tPtr, 0, 0);
}
int
main(int argc, char **argv)
{
WMWidget *win;
WMText *text;
WMRulerMargins margins;
void *tb = NULL;
printf("copy and paste this string: \n
here is some <b> bold <i>italic <u>underlined</u> </i> </b> text :-) \n");
WMInitializeApplication("WMText", &argc, argv);
dpy = XOpenDisplay(NULL);
if(!dpy) { printf("no display? *sniff* :~( "); exit(1);}
scr = WMCreateSimpleApplicationScreen(dpy);
win = WMCreateWindow(scr, "WMText Test");
WMRealizeWidget(win);
WMResizeWidget(win, 500, 300);
//WMResizeWidget(win, 900, 600);
WMSetWindowTitle(win,"WMText Test");
WMSetWindowCloseAction(win, Close, NULL);
text = WMCreateText(win);
WMRealizeWidget(text);
WMSetTextHasRuler(text, True);
//WMSetTextHasHorizontalScroller(text, True);
WMResizeWidget(text, 480, 280);
WMMoveWidget(text, 10, 10);
WMSetTextRelief(text, WRSunken);
WMSetTextHasVerticalScroller(text, True);
WMSetTextUsesMonoFont(text, !True);
WMSetTextParser(text, HTMLParser);
#if 0
WMShowTextRuler(text, True);
WMSetTextUseFixedPitchFont(text, False);
WMSetTextHasRuler(text, True);
WMSetTextHasVerticalScroller(text, True);
//WMSetTextHasHorizontalScroller(text, True);
WMFreezeText(text);
#endif
//margins = WMGetTextRulerMargins(text);
#if 1
WMAppendTextStream(text,
"README: <p> <p><img src=logo.xpm></i> \
<b><i>WINGs</b></i> is a <i>small</i> widget set with \
a <u>very</u> nice look and feel. Its API is <i>inspired</i> \
and its implementation borrows some ideas from interesting places.\
<p><p>
The library is limited and its design is a little sloppy, \
so it's not intended to build large or complex applications, just
<i>small</i> and complex ones. <b>:-)</b>\
<p><p> Apart from the usual buttons and labels, it has some \
interesting widgets like this list widget: ");
{
WMList *list = WMCreateList(text);
char t[20];
int i;
WMResizeWidget(list, 60, 60);
for (i=0; i<7; i++) {
sprintf(t, "Item %i", i);
WMAddListItem(list, t);
}
tb = WMCreateTextBlockWithObject(list, "{a list object or somesuch}",
WMBlackColor(scr), False, 0);
WMAppendTextBlock(text, tb);
}
WMAppendTextStream(text, " a colour well such as this one: ");
{
WMColorWell *well;
well = WMCreateColorWell(text);
WMResizeWidget(well, 60, 40);
WMSetColorWellColor(well,
WMCreateRGBColor(scr, 0, 0, 0x8888, True));
tb = WMCreateTextBlockWithObject(well, "{a button object}",
WMBlackColor(scr), False, 0);
WMAppendTextBlock(text, tb);
}
WMAppendTextStream(text,
", as well as a text widget: ");
{
WMText *te = WMCreateText(text);
WMResizeWidget(te, 140, 120);
WMSetTextParser(te, HTMLParser);
WMSetTextRelief(te, WRFlat);
// WMSetTextBackgroundColor(te, WMCreateNamedColor(scr, "Red", False));
WMSetTextDefaultFont(te, WMSystemFontOfSize(scr, 10));
WMAppendTextStream(te, "into which you can easily embed other "
"<i><b>WINGs</b></i> objects (such as this text object), "
" as well as pixmaps <img src=upbtn.xpm> (thus) "
"without breaking a sweat (type in here)");
tb = WMCreateTextBlockWithObject(te, "{a text object}",
WMBlackColor(scr), False, 0);
WMAppendTextBlock(text, tb);
WMSetTextHasVerticalScroller(te, True);
WMSetTextHasHorizontalScroller(te, True);
WMRefreshText(te, 0, 0);
}
{
WMText *te = WMCreateText(text);
WMResizeWidget(te, 120, 90);
WMSetTextParser(te, HTMLParser);
WMSetTextRelief(te, WRFlat);
// WMSetTextBackgroundColor(te, WMCreateNamedColor(scr, "Red", False));
WMSetTextDefaultFont(te, WMSystemFontOfSize(scr, 10));
WMAppendTextStream(te, "I always wanted to be able to have "
"a <i>multi-column</i> text editor in Unix for my reports, "
" now all I have to do is wait for <u>someone</u> to code it :-P");
tb = WMCreateTextBlockWithObject(te, "{a text object}",
WMBlackColor(scr), False, 0);
WMAppendTextBlock(text, tb);
WMSetTextHasVerticalScroller(te, False);
WMRefreshText(te, 0, 0);
}
WMAppendTextStream(text,
" .<p><p> Not bad eh? \
<p><p>Since<i><b>WINGs</b></i>is \
written in C and is sort of \
low-level, it is \
small and faster than say, Motif or even Athena (just you try
embedding and clicking on buttons");
{
WMButton *b = WMCreateCommandButton(text);
WMSetButtonText(b, "like me");
WMSetButtonAction(b, buttonPressCB, text);
WMResizeWidget(b, 60, 15);
tb = WMCreateTextBlockWithObject(b, "{a button object}",
WMBlackColor(scr), False, 0);
WMAppendTextBlock(text, tb);
}
WMAppendTextStream(text,
" with those other tool-kits :-). <p><p>Knowing Xlib will help you to \
workaround some of its limitations, although you'll probably be able to \
write something like a trivial tic-tac-toe game ");
{
WMTextField *t = WMCreateTextField(text);
WMInsertTextFieldText(t, "or an interesting text editor", 0);
WMResizeWidget(t, 160, 20);
WMSetTextFieldBordered(t, True);
WMSetTextFieldBeveled(t, True);
tb = WMCreateTextBlockWithObject(t, "{a textfield object}",
WMGrayColor(scr), False, 0);
WMAppendTextBlock(text, tb);
}
WMAppendTextStream(text, " without knowing much Xlib. "
"<p><p>(BTW, don't <i>press</i> that button that is <u>screeming</u>"
" to be pressed!");
#endif
// WMThawText(text);
WMRefreshText(text, 0, 0);
/*
WMAddNotificationObserver(NotificationObserver, win,
WMViewSizeDidChangeNotification, WMWidgetView(win));
*/
WMSetViewNotifySizeChanges(WMWidgetView(win), True);
WMMapSubwidgets(win);
WMMapWidget(win);
WMScreenMainLoop(scr);
return 0;
}

20
WINGs/WINGs.h
View File

@@ -393,8 +393,7 @@ typedef struct WMInputPanel {
/* WMRuler: */
typedef struct {
unsigned short *tabs; /* a growable array of tabstops */
unsigned short ntabstops; /* how many there are */
WMArray *tabs; /* a growable array of tabstops */
unsigned short left; /* left margin marker */
unsigned short right; /* right margin marker */
unsigned short first; /* indentation marker for first line only */
@@ -699,6 +698,11 @@ WMFont *WMBoldSystemFontOfSize(WMScreen *scrPtr, int size);
XFontSet WMGetFontFontSet(WMFont *font);
WMFont * WMGetFontPlain(WMScreen *scr, WMFont *font);
WMFont * WMGetFontBold(WMScreen *scr, WMFont *font);
WMFont * WMGetFontItalic(WMScreen *scr, WMFont *font);
WMFont * WMGetFontOfSize(WMScreen *scr, WMFont *font, int size);
/* ....................................................................... */
WMPixmap *WMRetainPixmap(WMPixmap *pixmap);
@@ -1499,11 +1503,11 @@ char * WMGetTextStream(WMText *tPtr);
/* free the text */
char * WMGetTextSelected(WMText *tPtr);
/* destroy the bag */
WMBag * WMGetTextStreamIntoBag(WMText *tPtr);
/* destroy the array */
WMArray * WMGetTextStreamIntoArray(WMText *tPtr);
/* destroy the bag */
WMBag * WMGetTextSelectedIntoBag(WMText *tPtr);
/* destroy the array */
WMArray* WMGetTextSelectedIntoArray(WMText *tPtr);
void WMSetTextSelectionColor(WMText *tPtr, WMColor *color);
@@ -1518,10 +1522,10 @@ void WMSetTextParser(WMText *tPtr, WMAction *parser);
void WMSetTextWriter(WMText *tPtr, WMAction *writer);
void *WMCreateTextBlockWithObject(WMText *tPtr, WMWidget *w, char *description,
WMColor *color, unsigned short first, unsigned short reserved);
WMColor *color, unsigned short first, unsigned short extraInfo);
void *WMCreateTextBlockWithPixmap(WMText *tPtr, WMPixmap *p, char *description,
WMColor *color, unsigned short first, unsigned short reserved);
WMColor *color, unsigned short first, unsigned short extraInfo);
void *WMCreateTextBlockWithText(WMText *tPtr, char *text, WMFont *font,
WMColor *color, unsigned short first, unsigned short length);

38
WINGs/fontmanager.c
View File

@@ -30,48 +30,58 @@ changeFontProp(char *fname, char *newprop, int which)
WMFont *
WMGetFontPlain(WMScreen *scrPtr, WMFont *font)
WMGetFontPlain(WMScreen *scr, WMFont *font)
{
if(!scrPtr || !font)
return NULL;
if(!scr || !font)
return font;
return font;
}
WMFont *
WMGetFontBold(WMScreen *scrPtr, WMFont *font)
WMGetFontBold(WMScreen *scr, WMFont *font)
{
WMFont *newfont=NULL;
char fname[256];
if(!scrPtr || !font)
return NULL;
if(!scr || !font)
return font;
snprintf(fname, 255, font->name);
changeFontProp(fname, "bold", 2);
newfont = WMCreateNormalFont(scrPtr, fname);
newfont = WMCreateNormalFont(scr, fname);
if(!newfont)
newfont = font;
return newfont;
}
WMFont *
WMGetFontItalic(WMScreen *scrPtr, WMFont *font)
WMGetFontItalic(WMScreen *scr, WMFont *font)
{
WMFont *newfont=NULL;
char fname[256];
if(!scrPtr || !font)
return NULL;
if(!scr || !font)
return font;
snprintf(fname, 255, font->name);
changeFontProp(fname, "o", 3);
newfont = WMCreateNormalFont(scrPtr, fname);
newfont = WMCreateNormalFont(scr, fname);
if(!newfont)
newfont = font;
return newfont;
}
WMFont *
WMGetFontOfSize(WMScreen *scrPtr, WMFont *font, int size)
WMGetFontOfSize(WMScreen *scr, WMFont *font, int size)
{
if(!scrPtr || !font || size<1)
return NULL;
if(!scr || !font || size<1)
return font;
return font;
}

571
WINGs/wtext.c
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