static void
DrawMenuUnderline(
TkMenu *menuPtr, /* The menu to draw into */
TkMenuEntry *mePtr, /* The entry we are drawing */
Drawable d, /* What we are drawing into */
GC gc, /* The gc to draw into */
Tk_Font tkfont, /* The precalculated font */
const Tk_FontMetrics *fmPtr,/* The precalculated font metrics */
int x, int y,
int width, int height)
{
if ((mePtr->underline >= 0) && (mePtr->labelPtr != NULL)) {
int len;
/*
* Do the unicode call just to prevent overruns.
*/
Tcl_GetUnicodeFromObj(mePtr->labelPtr, &len);
if (mePtr->underline < len) {
int activeBorderWidth, leftEdge;
const char *label, *start, *end;
label = Tcl_GetString(mePtr->labelPtr);
start = Tcl_UtfAtIndex(label, mePtr->underline);
end = Tcl_UtfNext(start);
Tk_GetPixelsFromObj(NULL, menuPtr->tkwin,
menuPtr->activeBorderWidthPtr, &activeBorderWidth);
leftEdge = x + mePtr->indicatorSpace + activeBorderWidth;
if (menuPtr->menuType == MENUBAR) {
leftEdge += 5;
}
Tk_UnderlineChars(menuPtr->display, d, gc, tkfont, label, leftEdge,
y + (height + fmPtr->ascent - fmPtr->descent) / 2,
start - label, end - label);
}
}
}
/*
** Display a single HtmlBlock. This is where all the drawing
** happens.
*/
void HtmlBlockDraw(
HtmlWidget *htmlPtr, /* The main HTML widget */
HtmlBlock *pBlock, /* Block which needs to be drawn */
Drawable drawable, /* Draw the line on this */
int drawableLeft, /* Virtual coordinate of left edge of drawable */
int drawableTop, /* Virtual coordinate of top edge of drawable */
int drawableWidth, /* Width of the drawable */
int drawableHeight /* Height of the drawable */
){
Tk_Font font; /* Font to use to render text */
GC gc; /* A graphics context */
HtmlElement *src; /* HtmlElement holding style information */
HtmlElement *pTable; /* The table (when drawing part of a table) */
int x, y; /* Where to draw */
if( pBlock==0 ){ TestPoint(0); return; }
src = pBlock->base.pNext;
while( src && (src->base.flags & HTML_Visible)==0 ){
src = src->base.pNext;
TestPoint(0);
}
if( src==0 ){ TestPoint(0); return; }
if( pBlock->n>0 ){
/* We must be dealing with plain old text */
if( src->base.type==Html_Text ){
x = src->text.x;
y = src->text.y;
TestPoint(0);
}else{
CANT_HAPPEN;
return;
}
if( pBlock->base.flags & HTML_Selected ){
HtmlLock(htmlPtr);
DrawSelectionBackground(htmlPtr, pBlock, drawable,
drawableLeft, drawableTop);
if( HtmlUnlock(htmlPtr) ) return;
}
gc = HtmlGetGC(htmlPtr, src->base.style.color, src->base.style.font);
font = HtmlGetFont(htmlPtr, src->base.style.font);
if( font==0 ) return;
Tk_DrawChars(htmlPtr->display,
drawable,
gc, font,
pBlock->z, pBlock->n,
x - drawableLeft, y - drawableTop);
if( src->base.style.flags & STY_Underline ){
Tk_UnderlineChars(htmlPtr->display, drawable, gc, font, pBlock->z,
x - drawableLeft, y-drawableTop, 0, pBlock->n);
}
if( src->base.style.flags & STY_StrikeThru ){
XRectangle xrec;
xrec.x = pBlock->left - drawableLeft;
xrec.y = (pBlock->top + pBlock->bottom)/2 - drawableTop;
xrec.width = pBlock->right - pBlock->left;
xrec.height = 1 + (pBlock->bottom - pBlock->top > 15);
XFillRectangles(htmlPtr->display, drawable, gc, &xrec, 1);
}
if( pBlock==htmlPtr->pInsBlock && htmlPtr->insStatus>0 ){
int x;
XRectangle xrec;
if( htmlPtr->insIndex < pBlock->n ){
x = src->text.x - drawableLeft;
x += Tk_TextWidth(font, pBlock->z, htmlPtr->insIndex);
}else{
x = pBlock->right - drawableLeft;
}
if( x>0 ){ TestPoint(0); x--; }
xrec.x = x;
xrec.y = pBlock->top - drawableTop;
xrec.width = 2;
xrec.height = pBlock->bottom - pBlock->top;
XFillRectangles(htmlPtr->display, drawable, gc, &xrec, 1);
}
}else{
/* We are dealing with a single HtmlElement which contains something
** other than plain text. */
int top, btm, cntr;
int cnt, w;
char zBuf[30];
switch( src->base.type ){
case Html_LI:
x = src->li.x;
y = src->li.y;
cntr = (top+btm)/2;
switch( src->li.type ){
case LI_TYPE_Enum_1:
sprintf(zBuf,"%d.",src->li.cnt);
TestPoint(0);
break;
case LI_TYPE_Enum_A:
GetLetterIndex(zBuf,src->li.cnt,1);
TestPoint(0);
break;
case LI_TYPE_Enum_a:
GetLetterIndex(zBuf,src->li.cnt,0);
TestPoint(0);
break;
case LI_TYPE_Enum_I:
GetRomanIndex(zBuf,src->li.cnt,1);
TestPoint(0);
break;
case LI_TYPE_Enum_i:
GetRomanIndex(zBuf,src->li.cnt,0);
TestPoint(0);
break;
default:
zBuf[0] = 0;
TestPoint(0);
break;
}
gc = HtmlGetGC(htmlPtr, src->base.style.color, src->base.style.font);
switch( src->li.type ){
case LI_TYPE_Undefined:
case LI_TYPE_Bullet1:
XFillArc(htmlPtr->display,
drawable,
gc,
x - 7 - drawableLeft, y - 8 - drawableTop, 7, 7,
0, 360*64);
TestPoint(0);
break;
case LI_TYPE_Bullet2:
XDrawArc(htmlPtr->display,
drawable,
gc,
x - 7 - drawableLeft, y - 8 - drawableTop, 7, 7,
0, 360*64);
TestPoint(0);
break;
case LI_TYPE_Bullet3:
XDrawRectangle(htmlPtr->display,
drawable,
gc,
x - 7 - drawableLeft, y - 8 - drawableTop, 7, 7);
TestPoint(0);
break;
case LI_TYPE_Enum_1:
case LI_TYPE_Enum_A:
case LI_TYPE_Enum_a:
case LI_TYPE_Enum_I:
case LI_TYPE_Enum_i:
cnt = strlen(zBuf);
font = HtmlGetFont(htmlPtr, src->base.style.font);
if( font==0 ) return;
w = Tk_TextWidth(font, zBuf, cnt);
Tk_DrawChars(htmlPtr->display,
drawable,
gc, font,
zBuf, cnt,
x - w - drawableLeft, y - drawableTop);
TestPoint(0);
break;
}
break;
case Html_HR: {
int relief = htmlPtr->ruleRelief;
switch( relief ){
case TK_RELIEF_RAISED:
case TK_RELIEF_SUNKEN:
break;
default:
relief = TK_RELIEF_FLAT;
break;
}
HtmlDrawRect(htmlPtr, drawable, src,
src->hr.x - drawableLeft,
src->hr.y - drawableTop,
src->hr.w,
src->hr.h,
1, relief);
break;
}
case Html_TABLE: {
int relief = htmlPtr->tableRelief;
switch( relief ){
case TK_RELIEF_RAISED:
case TK_RELIEF_SUNKEN:
break;
default:
relief = TK_RELIEF_FLAT;
break;
}
HtmlDrawRect(htmlPtr, drawable, src,
src->table.x - drawableLeft,
src->table.y - drawableTop,
src->table.w,
src->table.h,
src->table.borderWidth,
relief);
break;
}
case Html_TH:
case Html_TD: {
int depth, relief;
pTable = src->cell.pTable;
depth = pTable && pTable->table.borderWidth>0;
switch( htmlPtr->tableRelief ){
case TK_RELIEF_RAISED: relief = TK_RELIEF_SUNKEN; break;
case TK_RELIEF_SUNKEN: relief = TK_RELIEF_RAISED; break;
default: relief = TK_RELIEF_FLAT; break;
}
HtmlDrawRect(htmlPtr, drawable, src,
src->cell.x - drawableLeft,
src->cell.y - drawableTop,
src->cell.w,
src->cell.h,
depth,
relief);
break;
}
case Html_IMG:
if( src->image.pImage ){
HtmlDrawImage(src, drawable, drawableLeft, drawableTop,
drawableLeft + drawableWidth,
drawableTop + drawableHeight);
}else if( src->image.zAlt ){
gc = HtmlGetGC(htmlPtr, src->base.style.color, src->base.style.font);
font = HtmlGetFont(htmlPtr, src->base.style.font);
if( font==0 ) return;
Tk_DrawChars(htmlPtr->display,
drawable,
gc, font,
src->image.zAlt, strlen(src->image.zAlt),
src->image.x - drawableLeft,
src->image.y - drawableTop);
TestPoint(0);
}
break;
default:
TestPoint(0);
break;
}
}
}
