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