mirror of
https://github.com/0intro/wmii
synced 2024-12-02 18:26:59 +03:00
535 lines
12 KiB
C
535 lines
12 KiB
C
/*
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* (C)opyright MMIV-MMV 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 <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <X11/Xatom.h>
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#include <X11/cursorfont.h>
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#include <X11/Xproto.h>
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#include <X11/Xutil.h>
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#include "wmii.h"
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/* array indexes for file pointers */
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typedef enum {
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B_CTL,
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B_NEW,
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B_EXPANDABLE,
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B_GEOMETRY,
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B_FONT,
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B_FG_COLOR,
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B_BORDER_COLOR,
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B_BG_COLOR,
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B_EVENT_RESIZE,
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B_LAST
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} BarIndexes;
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typedef struct Item Item;
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struct Item {
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File *root;
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Draw d;
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Item *next;
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};
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static unsigned int id = 0;
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static IXPServer *ixps = 0;
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static Display *dpy;
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static GC gc;
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static Window win;
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static XRectangle rect;
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static XRectangle brect;
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static int screen_num;
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static Bool displayed = False;
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static char *sockfile = nil;
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static File *file[B_LAST];
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static Item *items = nil;
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static size_t nitems = 0;
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static Pixmap pmap;
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static XFontStruct *font;
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static Align align = SOUTH;
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static Draw zero_draw = { 0 };
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static void draw_bar(void *obj, char *arg);
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static void quit(void *obj, char *arg);
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static void display(void *obj, char *arg);
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static void reset(void *obj, char *arg);
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static void _destroy(void *obj, char *arg);
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static void handle_after_write(IXPServer * s, File * f);
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static Action acttbl[] = {
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{"quit", quit},
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{"display", display},
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{"update", draw_bar},
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{"reset", reset},
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{"destroy", _destroy},
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{0, 0}
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};
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static char *version[] = {
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"wmiibar - window manager improved bar - " VERSION "\n"
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" (C)opyright MMIV-MMV Anselm R. Garbe\n", 0
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};
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static void usage()
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{
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fprintf(stderr, "%s",
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"usage: wmiibar -s <socket file> [-v]\n"
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" -s socket file\n" " -v version info\n");
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exit(1);
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}
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/**
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* <path>/data "<txt value>"
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* <path>/fgcolor "#RRGGBBAA"
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* <path>/bgcolor "#RRGGBBAA"
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* <path>/bordercolor "#RRGGBBAA"
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* <path>/b1press "<command>"
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* <path>/b2press "<command>"
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* <path>/b3press "<command>"
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* <path>/b4press "<command>"
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* <path>/b5press "<command>"
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*/
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static void create_label(char *path)
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{
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File *f;
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char buf[MAX_BUF];
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int i;
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snprintf(buf, MAX_BUF, "%s/data", path);
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f = ixp_create(ixps, buf);
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f->after_write = handle_after_write;
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snprintf(buf, MAX_BUF, "%s/fgcolor", path);
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wmii_create_ixpfile(ixps, buf, file[B_FG_COLOR]->content);
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snprintf(buf, MAX_BUF, "%s/bgcolor", path);
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wmii_create_ixpfile(ixps, buf, file[B_BG_COLOR]->content);
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snprintf(buf, MAX_BUF, "%s/bordercolor", path);
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wmii_create_ixpfile(ixps, buf, file[B_BORDER_COLOR]->content);
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for (i = 1; i < 6; i++) { /* 5 buttons events */
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snprintf(buf, MAX_BUF, "%s/b%dpress", path, i);
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ixp_create(ixps, buf);
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}
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}
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static void _destroy(void *obj, char *arg)
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{
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char buf[512];
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if (!arg)
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return;
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snprintf(buf, sizeof(buf), "/%s", arg);
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ixps->remove(ixps, buf);
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draw_bar(0, 0);
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}
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static void reset(void *obj, char *arg)
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{
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int i;
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char buf[512];
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for (i = 0; i < id; i++) {
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snprintf(buf, sizeof(buf), "/%d", i);
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ixps->remove(ixps, buf);
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}
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id = 0;
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draw_bar(0, 0);
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}
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static void quit(void *obj, char *arg)
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{
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ixps->runlevel = SHUTDOWN;
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}
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static void display(void *obj, char *arg)
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{
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if (!arg)
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return;
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displayed = blitz_strtonum(arg, 0, 1);
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if (displayed) {
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XMapRaised(dpy, win);
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draw_bar(0, 0);
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} else {
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XUnmapWindow(dpy, win);
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XSync(dpy, False);
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}
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}
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static void init_draw_label(char *path, Draw *d)
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{
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char buf[MAX_BUF];
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File *f;
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/* text stuff */
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snprintf(buf, MAX_BUF, "%s/data", path);
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f = ixp_walk(ixps, buf);
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d->data = f->content;
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/* style stuff */
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snprintf(buf, MAX_BUF, "%s/fgcolor", path);
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f = ixp_walk(ixps, buf);
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d->fg = blitz_loadcolor(dpy, screen_num, f->content);
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snprintf(buf, MAX_BUF, "%s/bgcolor", path);
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f = ixp_walk(ixps, buf);
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d->bg = blitz_loadcolor(dpy, screen_num, f->content);
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snprintf(buf, MAX_BUF, "%s/bordercolor", path);
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f = ixp_walk(ixps, buf);
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d->border = blitz_loadcolor(dpy, screen_num, f->content);
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}
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static void init_item(char *path, Item *i)
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{
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i->d = zero_draw;
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i->root = ixp_walk(ixps, path);
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i->d.gc = gc;
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i->d.drawable = pmap;
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i->d.rect = brect;
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i->d.rect.y = 0;
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init_draw_label(path, &i->d);
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}
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static int comp_str(const void *s1, const void *s2)
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{
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return strcmp(*(char **) s1, *(char **) s2);
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}
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static void draw()
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{
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Item *i;
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unsigned int idx = 0, w = 0, xoff = 0;
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unsigned expandable = 0;
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char buf[32];
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if (!nitems)
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return;
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expandable = blitz_strtonum(file[B_EXPANDABLE]->content, 0, expandable);
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snprintf(buf, sizeof(buf), "/%d", expandable);
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if (!ixp_walk(ixps, buf))
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expandable = 0;
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/* precalc */
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for (i = items; i; i = i->next) {
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if (idx != expandable) {
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i->d.rect.width = brect.height;
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if (i->d.data) {
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if (!strncmp(i->d.data, "%m:", 3))
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/* meter */
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i->d.rect.width = brect.height / 2;
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else
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i->d.rect.width += XTextWidth(font, i->d.data, strlen(i->d.data));
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}
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w += i->d.rect.width;
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}
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idx++;
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}
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if (w > brect.width) {
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/* failsafe mode, give all labels same width */
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w = brect.width / nitems;
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for (i = items; i && i->next; i = i->next)
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i->d.rect.width = w;
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i->d.rect.width = w;
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i->d.rect.width = brect.width - i->d.rect.x;
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}
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else {
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idx = 0;
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for (i = items; i && idx != expandable; i = i->next);
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i->d.rect.width = brect.width - w;
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}
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for (i = items; i; i = i->next) {
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i->d.font = font;
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i->d.rect.x = xoff;
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xoff += i->d.rect.width;
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if (i->d.data && !strncmp(i->d.data, "%m:", 3))
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blitz_drawmeter(dpy, &i->d);
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else
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blitz_drawlabel(dpy, &i->d);
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}
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XCopyArea(dpy, pmap, win, gc, 0, 0, brect.width, brect.height, 0, 0);
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XSync(dpy, False);
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}
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static void draw_bar(void *obj, char *arg)
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{
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File *label = 0;
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unsigned int j = 0;
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Item *i, *it;
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char buf[512];
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if (!displayed)
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return;
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while ((i = items)) {
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items = items->next;
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free(i);
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}
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it = items = nil;
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snprintf(buf, sizeof(buf), "%s", "/0");
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label = ixp_walk(ixps, buf);
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if (!label) {
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Draw d = { 0 };
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/* default stuff */
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d.gc = gc;
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d.drawable = pmap;
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d.rect.width = brect.width;
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d.rect.height = brect.height;
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d.bg = blitz_loadcolor(dpy, screen_num, file[B_BG_COLOR]->content);
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d.fg = blitz_loadcolor(dpy, screen_num, file[B_FG_COLOR]->content);
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d.border = blitz_loadcolor(dpy, screen_num, file[B_BORDER_COLOR]->content);
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blitz_drawlabelnoborder(dpy, &d);
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} else {
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File *f;
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char **paths = 0;
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/*
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* take order into account, directory names are used in
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* alphabetical order
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*/
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nitems = 0;
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for (f = label; f; f = f->next)
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nitems++;
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paths = cext_emallocz(sizeof(char *) * nitems);
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j = 0;
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for (f = label; f; f = f->next)
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paths[j++] = f->name;
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qsort(paths, nitems, sizeof(char *), comp_str);
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for (j = 0; j < nitems; j++) {
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snprintf(buf, sizeof(buf), "/%s", paths[j]);
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i = cext_emallocz(sizeof(Item));
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init_item(buf, i);
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if (!it)
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it = items = i;
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else {
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it->next = i;
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it = i;
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}
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}
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free(paths);
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draw();
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}
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}
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static Item *item_for_file(File *f)
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{
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Item *i;
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for (i = items; i; i = i->next) {
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if (f == i->root)
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return i;
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}
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return nil;
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}
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static void handle_buttonpress(XButtonPressedEvent *e)
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{
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Item *i;
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File *p;
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char buf[MAX_BUF];
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char path[512];
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for (i = items; i; i = i->next)
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if (blitz_ispointinrect(e->x, e->y, &i->d.rect)) {
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path[0] = 0;
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wmii_get_ixppath(i->root, path, sizeof(path));
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snprintf(buf, MAX_BUF, "%s/b%upress", path, e->button);
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if ((p = ixp_walk(ixps, buf)))
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if (p->content)
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wmii_spawn(dpy, p->content);
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return;
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}
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}
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static void check_event(Connection * e)
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{
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XEvent ev;
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while (XPending(dpy)) {
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XNextEvent(dpy, &ev);
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switch (ev.type) {
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case ButtonPress:
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handle_buttonpress(&ev.xbutton);
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break;
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case Expose:
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if (ev.xexpose.count == 0) {
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/* XRaiseWindow(dpy, win); */
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draw_bar(0, 0);
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}
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break;
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default:
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break;
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}
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}
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}
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static void update_geometry()
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{
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brect = rect;
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brect.height = font->ascent + font->descent + 4;
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if (align == SOUTH)
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brect.y = rect.height - brect.height;
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XMoveResizeWindow(dpy, win, brect.x, brect.y, brect.width, brect.height);
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XSync(dpy, False);
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XFreePixmap(dpy, pmap);
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pmap = XCreatePixmap(dpy, win, brect.width, brect.height, DefaultDepth(dpy, screen_num));
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XSync(dpy, False);
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if (file[B_EVENT_RESIZE]->content)
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wmii_spawn(dpy, file[B_EVENT_RESIZE]->content);
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}
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static void handle_after_write(IXPServer * s, File * f)
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{
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int i;
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size_t len;
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Item *item;
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char buf[512];
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buf[0] = 0;
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if (!strncmp(f->name, "data", 5)) {
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if ((item = item_for_file(f->parent))) {
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wmii_get_ixppath(f->parent, buf, sizeof(buf));
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init_draw_label(buf, &item->d);
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draw();
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}
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} else if (file[B_GEOMETRY] == f) {
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if (f->content) {
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if (!strncmp(f->content, "south", 6))
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align = SOUTH;
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else if(!strncmp(f->content, "north", 6))
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align = NORTH;
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update_geometry();
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draw_bar(0, 0);
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}
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} else if (file[B_CTL] == f) {
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for (i = 0; acttbl[i].name; i++) {
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len = strlen(acttbl[i].name);
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if (!strncmp(acttbl[i].name, (char *) f->content, len)) {
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if (strlen(f->content) > len) {
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acttbl[i].func(0, &((char *) f->content)[len + 1]);
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} else {
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acttbl[i].func(0, 0);
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}
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break;
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}
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}
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} else if (file[B_FONT] == f) {
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XFreeFont(dpy, font);
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font = blitz_getfont(dpy, file[B_FONT]->content);
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update_geometry();
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draw_bar(0, 0);
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}
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check_event(0);
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}
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static void handle_before_read(IXPServer * s, File * f)
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{
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char buf[64];
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if (f == file[B_GEOMETRY]) {
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snprintf(buf, 64, "%d,%d,%d,%d", brect.x, brect.y, brect.width, brect.height);
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if (f->content)
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free(f->content);
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f->content = cext_estrdup(buf);
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f->size = strlen(buf);
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} else if (f == file[B_NEW]) {
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snprintf(buf, sizeof(buf), "%d", id++);
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if (f->content)
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free(f->content);
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f->content = strdup(buf);
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f->size = strlen(buf);
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create_label(buf);
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draw_bar(0, 0);
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}
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}
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static int dummy_error_handler(Display * dpy, XErrorEvent * err)
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{
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return 0;
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}
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int main(int argc, char *argv[])
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{
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int i;
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XSetWindowAttributes wa;
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XGCValues gcv;
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/* command line args */
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for (i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
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switch (argv[i][1]) {
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case 'v':
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fprintf(stdout, "%s", version[0]);
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exit(0);
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break;
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case 's':
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if (i + 1 < argc)
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sockfile = argv[++i];
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else
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usage();
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break;
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default:
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usage();
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break;
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}
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}
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dpy = XOpenDisplay(0);
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if (!dpy) {
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fprintf(stderr, "%s", "wmiibar: cannot open display\n");
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exit(1);
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}
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XSetErrorHandler(dummy_error_handler);
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screen_num = DefaultScreen(dpy);
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ixps = wmii_setup_server(sockfile);
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/* init */
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if (!(file[B_CTL] = ixp_create(ixps, "/ctl"))) {
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perror("wmiibar: cannot connect IXP server");
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exit(1);
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}
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file[B_CTL]->after_write = handle_after_write;
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file[B_NEW] = ixp_create(ixps, "/new");
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file[B_NEW]->before_read = handle_before_read;
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file[B_FONT] = wmii_create_ixpfile(ixps, "/font", BLITZ_FONT);
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file[B_FONT]->after_write = handle_after_write;
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font = blitz_getfont(dpy, file[B_FONT]->content);
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file[B_BG_COLOR] = wmii_create_ixpfile(ixps, "/bgcolor", BLITZ_NORM_BG_COLOR);
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file[B_FG_COLOR] = wmii_create_ixpfile(ixps, "/fgcolor", BLITZ_NORM_FG_COLOR);
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file[B_BORDER_COLOR] = wmii_create_ixpfile(ixps, "/bordercolor", BLITZ_NORM_BORDER_COLOR);
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file[B_GEOMETRY] = ixp_create(ixps, "/geometry");
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file[B_GEOMETRY]->before_read = handle_before_read;
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file[B_GEOMETRY]->after_write = handle_after_write;
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file[B_EXPANDABLE] = ixp_create(ixps, "/expandable");
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file[B_EVENT_RESIZE] = ixp_create(ixps, "/event/resize");
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wa.override_redirect = 1;
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wa.background_pixmap = ParentRelative;
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wa.event_mask = ExposureMask | ButtonPressMask | SubstructureRedirectMask | SubstructureNotifyMask;
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rect.x = rect.y = 0;
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rect.width = DisplayWidth(dpy, screen_num);
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rect.height = DisplayHeight(dpy, screen_num);
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brect = rect;
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brect.height = font->ascent + font->descent + 4;
|
|
brect.y = rect.height - brect.height;
|
|
|
|
win = XCreateWindow(dpy, RootWindow(dpy, screen_num), brect.x, brect.y,
|
|
brect.width, brect.height, 0, DefaultDepth(dpy, screen_num),
|
|
CopyFromParent, DefaultVisual(dpy, screen_num),
|
|
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
|
|
XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_left_ptr));
|
|
XSync(dpy, False);
|
|
|
|
gcv.function = GXcopy;
|
|
gcv.graphics_exposures = False;
|
|
gc = XCreateGC(dpy, win, 0, 0);
|
|
|
|
pmap = XCreatePixmap(dpy, win, brect.width, brect.height, DefaultDepth(dpy, screen_num));
|
|
|
|
/* main event loop */
|
|
run_server_with_fd_support(ixps, ConnectionNumber(dpy), check_event, 0);
|
|
deinit_server(ixps);
|
|
XFreePixmap(dpy, pmap);
|
|
XFreeGC(dpy, gc);
|
|
XCloseDisplay(dpy);
|
|
|
|
return 0;
|
|
}
|