mirror of
https://github.com/0intro/wmii
synced 2024-12-26 05:16:59 +03:00
107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
/*
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* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <cext.h>
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#include "blitz.h"
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static void
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xchangegc(BlitzInput *i, BlitzColor *c, Bool invert)
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{
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XGCValues gcv;
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if(invert) {
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gcv.foreground = c->bg;
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gcv.background = c->fg;
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}
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else {
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gcv.foreground = c->fg;
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gcv.background = c->bg;
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}
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if(i->font->set)
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XChangeGC(i->blitz->display, i->gc, GCForeground | GCBackground, &gcv);
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else {
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gcv.font = i->font->xfont->fid;
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XChangeGC(i->blitz->display, i->gc, GCForeground | GCBackground | GCFont, &gcv);
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}
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}
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static void
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xdrawtextpart(BlitzInput *i, char *start, char *end,
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int *xoff, int yoff, unsigned int boxw)
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{
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char *p, buf[2];
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buf[1] = 0;
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for(p = start; p && *p && p != end; p++) {
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*buf = *p;
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if(i->font->set)
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XmbDrawImageString(i->blitz->display, i->drawable, i->font->set, i->gc,
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*xoff, yoff, buf, 1);
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else
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XDrawImageString(i->blitz->display, i->drawable, i->gc, *xoff, yoff,
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buf, 1);
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*xoff += boxw;
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}
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}
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void
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xget_fontmetric(BlitzInput *i, int *x, int *y, unsigned int *w, unsigned int *h)
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{
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*w = i->font->rbearing - i->font->lbearing;
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*h = i->font->ascent + i->font->descent;
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/* XXX: This is a temporary hack */
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*x = i->rect.x + (i->rect.height - *h) / 2 + i->font->rbearing;
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*y = i->rect.y + (i->rect.height - *h) / 2 + i->font->ascent;
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}
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void
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blitz_draw_input(BlitzInput *i)
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{
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int xoff, yoff;
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unsigned int boxw, boxh, nbox;
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if (!i)
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return;
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blitz_drawbg(i->blitz->display, i->drawable, i->gc, i->rect, i->color);
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xget_fontmetric(i, &xoff, &yoff, &boxw, &boxh);
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nbox = i->rect.width / boxw;
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/* draw normal text */
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xchangegc(i, &i->color, False);
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xdrawtextpart(i, i->text, i->curstart, &xoff, yoff, boxw);
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/* draw sel text */
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xchangegc(i, &i->color, True);
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xdrawtextpart(i, i->curstart, i->curend, &xoff, yoff, boxw);
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/* draw remaining normal text */
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xchangegc(i, &i->color, False);
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xdrawtextpart(i, i->curend, nil, &xoff, yoff, boxw);
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}
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char *
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blitz_charof(BlitzInput *i, int x, int y)
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{
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int xoff, yoff;
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unsigned int boxw, boxh, nbox, cbox, l;
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if(!i->text || (y < i->rect.y) || (y > i->rect.y + i->rect.height))
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return nil;
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xget_fontmetric(i, &xoff, &yoff, &boxw, &boxh);
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nbox = i->rect.width / boxw;
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cbox = (x - i->rect.x) / boxw;
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if(cbox > nbox)
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return nil;
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if((l = strlen(i->text)) > cbox)
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return i->text + cbox;
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else
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return i->text + l;
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}
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