mirror of https://github.com/0intro/wmii
132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
/* (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 "wmii.h"
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#include <math.h>
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#include <string.h>
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#include <stdlib.h>
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Bar *free_bars = NULL;
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Bar *
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create_bar(Bar **b_link, char *name) {
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static unsigned int id = 1;
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Bar **i, *b = bar_of_name(*b_link, name);;
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if(b)
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return b;
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if(free_bars) {
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b = free_bars;
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free_bars = b->next;
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memset(b, 0, sizeof(*b));
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}
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else
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b = ixp_emallocz(sizeof(Bar));
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b->id = id++;
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strncpy(b->name, name, sizeof(b->name));
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b->brush = screen->bbrush;
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b->brush.color = def.normcolor;
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for(i=b_link; *i; i=&(*i)->next)
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if(strcmp((*i)->name, name) >= 0)
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break;
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b->next = *i;
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*i = b;
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return b;
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}
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void
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destroy_bar(Bar **b_link, Bar *b) {
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Bar **p;
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for(p=b_link; *p && *p != b; p=&(*p)->next);
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*p = b->next;
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b->next = free_bars;
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free_bars = b;
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}
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void
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resize_bar(WMScreen *s) {
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View *v;
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s->brect = s->rect;
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s->brect.height = labelh(&def.font);
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s->brect.y = s->rect.height - s->brect.height;
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XMoveResizeWindow(blz.dpy, s->barwin, s->brect.x, s->brect.y, s->brect.width, s->brect.height);
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XSync(blz.dpy, False);
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draw_bar(s);
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for(v=view; v; v=v->next)
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arrange_view(v);
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}
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void
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draw_bar(WMScreen *s) {
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unsigned int width, tw, nb, size;
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float shrink;
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Bar *b, *tb, *largest, **pb;
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draw_tile(&s->bbrush);
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if(!s->lbar && !s->rbar)
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goto MapBar;
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largest = b = tb = NULL;
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tw = width = nb = size = 0;
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for(b=s->lbar, nb=2 ;nb; --nb && (b = s->rbar))
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for(; b; b=b->next) {
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b->brush.rect.x = b->brush.rect.y = 0;
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b->brush.rect.width = def.font.height;
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if(b->text && strlen(b->text))
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b->brush.rect.width += textwidth(b->brush.font, b->text);
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b->brush.rect.height = s->brect.height;
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width += b->brush.rect.width;
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}
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/* Not enough room. Shrink bars until they all fit */
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if(width > s->brect.width) {
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for(b=s->lbar, nb=2 ;nb; --nb && (b = s->rbar))
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for(; b; b=b->next) {
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for(pb=&largest; *pb; pb=&(*pb)->smaller)
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if((*pb)->brush.rect.width < b->brush.rect.width) break;
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b->smaller = *pb;
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*pb = b;
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}
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for(tb=largest; tb; tb=tb->smaller) {
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width -= tb->brush.rect.width;
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tw += tb->brush.rect.width;
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shrink = (s->brect.width - width) / (float)tw;
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if(tb->smaller)
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if(tb->brush.rect.width * shrink >= tb->smaller->brush.rect.width)
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break;
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}
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if(tb)
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for(b=largest; b != tb->smaller; b=b->smaller)
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b->brush.rect.width = floor(b->brush.rect.width * shrink);
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width += tw * shrink;
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tb=NULL;
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}
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for(b=s->lbar, nb=2 ;nb; b=s->rbar, nb--)
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for(; b; tb = b, b=b->next) {
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if(b == s->rbar) {
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b->brush.align = EAST;
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s->rbar->brush.rect.width += (s->brect.width - width);
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}else
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b->brush.align = CENTER;
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if(tb)
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b->brush.rect.x = tb->brush.rect.x + tb->brush.rect.width;
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draw_label(&b->brush, b->text);
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}
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MapBar:
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XCopyArea(blz.dpy, s->bbrush.drawable, s->barwin, s->bbrush.gc, 0, 0,
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s->brect.width, s->brect.height, 0, 0);
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XSync(blz.dpy, False);
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}
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Bar *
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bar_of_name(Bar *b_link, const char *name) {
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static char buf[256];
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Bar *b;
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strncpy(buf, name, sizeof(buf));
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for(b=b_link; b; b=b->next)
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if(!strncmp(b->name, name, sizeof(b->name))) break;
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return b;
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}
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