195     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
206     bar = sblw->scroll.bar;
207     height = sblw->core.height;
208     width = sblw->core.width;
212     if (sblw->scroll.use_right) {
214         sblw->scroll.offset = 0;
218         sblw->scroll.offset = bar->core.width + bar_bw;
226     sblw->scroll.num_visible_lines = height / sblw->scroll.font_height + 1;
281     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
284     start_line = y_loc / sblw->scroll.font_height + sblw->scroll.line_pointer;
286     if (start_line >= sblw->scroll.lines)
293     location = y_loc / sblw->scroll.font_height * sblw->scroll.font_height;
295     PrintText(w, start_line, sblw->scroll.num_visible_lines, location);
312     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
313     Widget bar = sblw->scroll.bar;
341                                     sblw->scroll.font_height));
350  *	Arguments: w - sblw widget.
357     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
361     if (sblw->scroll.bar != NULL)
367     sblw->scroll.bar = XtCreateWidget("scrollbar", scrollbarWidgetClass, w,
369     XtAddCallback(sblw->scroll.bar, XtNscrollProc, VerticalScroll, NULL);
370     XtAddCallback(sblw->scroll.bar, XtNjumpProc, VerticalJump, NULL);
385     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
386     int num_lines = sblw->scroll.num_visible_lines;
399         max_lines = sblw->scroll.lines -
400             (int) w->core.height / sblw->scroll.font_height;
414     old_line = sblw->scroll.line_pointer;
415     sblw->scroll.line_pointer = new_line;       /* Set current top of page. */
457     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
458     int from_left = sblw->scroll.indent + sblw->scroll.offset - 1;
461     old_y *= sblw->scroll.font_height;
462     new_y *= sblw->scroll.font_height;
463     height *= sblw->scroll.font_height;
473     if (height <= sblw->scroll.font_height) {   /* avoid rounding errors. */
476         PaintText(w, 0, (int) sblw->core.height);
483     XCopyArea(XtDisplay(w), XtWindow(w), XtWindow(w), sblw->scroll.move_gc,
489         height -= sblw->scroll.font_height / 2; /* clear 1/2 font of extra space,
493         height -= sblw->scroll.font_height;     /* clear 1 font of extra space,
515  *	Arguments: w - the sblw widget.
522     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
525     if (sblw->scroll.bar == NULL)
528     if (sblw->scroll.lines == 0)
531         shown = (float) w->core.height / (float) (sblw->scroll.lines *
532                                                   sblw->scroll.font_height);
536     XawScrollbarSetThumb(sblw->scroll.bar, (float) -1, shown);
541  *	Arguments: w - the sblw.
549     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
551     if ((sblw->scroll.lines == 0) || (sblw->scroll.bar == NULL))
554     location = (float) sblw->scroll.line_pointer / (float) sblw->scroll.lines;
555     XawScrollbarSetThumb(sblw->scroll.bar, location, (float) -1);
573     ScrollByLineWidget sblw = (ScrollByLineWidget) XtParent(w);
575     new_line = (int) ((float) sblw->scroll.lines * percent);
576     if (ScrollVerticalText((Widget) sblw, new_line, FALSE))
577         SetThumb((Widget) sblw);
595     ScrollByLineWidget sblw = (ScrollByLineWidget) XtParent(w);
597     new_line = sblw->scroll.line_pointer + (pos / sblw->scroll.font_height);
598     (void) ScrollVerticalText((Widget) sblw, new_line, FALSE);
599     SetThumb((Widget) sblw);
606     ScrollByLineWidget sblw = (ScrollByLineWidget) new;
610     sblw->scroll.top_line = NULL;
611     sblw->scroll.line_pointer = 0;
613     sblw->scroll.bar = (Widget) NULL;
615     sblw->scroll.font_height = (sblw->scroll.normal_font->max_bounds.ascent +
616                                 sblw->scroll.normal_font->max_bounds.descent);
620     if (XGetFontProperty(sblw->scroll.normal_font, atomNum, &figWidth))
621         sblw->scroll.h_width = figWidth;
623         sblw->scroll.h_width = XTextWidth(sblw->scroll.normal_font, "$", 1);
628  *	Arguments: w - the sblw.
635     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
641     sblw->scroll.move_gc = XtGetGC(w, GCGraphicsExposures, &values);
644     values.foreground = sblw->scroll.foreground;
646     values.font = sblw->scroll.normal_font->fid;
647     sblw->scroll.normal_gc = XtGetGC(w, mask, &values);
649     values.font = sblw->scroll.italic_font->fid;
650     sblw->scroll.italic_gc = XtGetGC(w, mask, &values);
652     values.font = sblw->scroll.bold_font->fid;
653     sblw->scroll.bold_gc = XtGetGC(w, mask, &values);
655     values.font = sblw->scroll.symbol_font->fid;
656     sblw->scroll.symbol_gc = XtGetGC(w, mask, &values);
668     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
670     XtReleaseGC(w, sblw->scroll.normal_gc);
671     XtReleaseGC(w, sblw->scroll.bold_gc);
672     XtReleaseGC(w, sblw->scroll.italic_gc);
673     XtReleaseGC(w, sblw->scroll.move_gc);
679     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
685     XtRealizeWidget(sblw->scroll.bar);  /* realize scrollbar. */
686     XtMapWidget(sblw->scroll.bar);      /* map scrollbar. */
700     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
702     if (sblw->scroll.bar != NULL)
703         XtDestroyWidget(sblw->scroll.bar);      /* Destroy scrollbar. */
704     if (sblw->scroll.file != NULL) {
705         fclose(sblw->scroll.file);
706         sblw->scroll.file = NULL;
773  *	Arguments: w - the sblw.
780     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
781     FILE *file = sblw->scroll.file;
789     if (sblw->scroll.top_line != NULL) {
790         XtFree(*(sblw->scroll.top_line));       /* free characters. */
791         XtFree((char *) (sblw->scroll.top_line));       /* free lines. */
793     sblw->scroll.top_line = NULL;
864     sblw->scroll.lines = nlines = line_pointer - top_line - 1;
871     sblw->scroll.top_line = top_line;
872     sblw->scroll.line_pointer = 0;
907     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
930     if (sblw->scroll.top_line == NULL || num_lines == 0)
937     c = *(sblw->scroll.top_line + start_line);
945     y_loc = location + sblw->scroll.normal_font->max_bounds.ascent;
954     x_loc = sblw->scroll.offset + sblw->scroll.indent;
963         if (**(sblw->scroll.top_line + start_line - h_fix) != '\n') {
995                 bold = ((first) || ((x_loc == (sblw->scroll.offset +
996                                                sblw->scroll.indent)) &&
1014             x_loc = sblw->scroll.offset + sblw->scroll.indent;
1016             y_loc += sblw->scroll.font_height;
1031             x_loc = sblw->scroll.offset + sblw->scroll.indent;
1033             x_loc += sblw->scroll.h_width * h_col;
1052             x_loc = sblw->scroll.offset + sblw->scroll.indent;
1054             x_loc += sblw->scroll.h_width * h_col;
1166     ScrollByLineWidget sblw = (ScrollByLineWidget) w;
1173         gc = sblw->scroll.italic_gc;
1174         font = sblw->scroll.italic_font;
1178         gc = sblw->scroll.bold_gc;
1179         font = sblw->scroll.bold_font;
1183         gc = sblw->scroll.symbol_gc;
1184         font = sblw->scroll.symbol_font;
1188         gc = sblw->scroll.normal_gc;
1189         font = sblw->scroll.normal_font;

Indexes created Sun Dec 07 20:09:42 GMT 2025