mirror of https://github.com/0intro/wmii
312 lines
6.9 KiB
C
312 lines
6.9 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 "wm.h"
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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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Client *
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sel_client_of_area(Area *a) {
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return a && a->sel ? a->sel->client : NULL;
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}
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Area *
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create_area(View *v, Area *pos, unsigned int w) {
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static unsigned short id = 1;
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unsigned int area_size, col_size;
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unsigned int min_width = screen->rect.width/NCOL;
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Area *a, **p = pos ? &pos->next : &v->area;
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for(area_size = 0, a=v->area; a; a=a->next, area_size++);
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col_size = area_size ? area_size - 1 : 0;
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if(!w) {
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if(col_size)
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w = screen->rect.width / (col_size + 1);
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else
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w = screen->rect.width;
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}
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if(w < min_width)
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w = min_width;
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if(col_size && col_size * min_width + w > screen->rect.width)
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return NULL;
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if(area_size > 1)
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scale_view(v, screen->rect.width - w);
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a = ixp_emallocz(sizeof(Area));
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a->view = v;
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a->id = id++;
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a->rect = screen->rect;
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a->rect.height = screen->rect.height - screen->brect.height;
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a->mode = def.colmode;
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a->rect.width = w;
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a->frame = NULL;
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a->sel = NULL;
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a->next = *p;
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*p = a;
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v->sel = a;
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return a;
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}
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void
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destroy_area(Area *a) {
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Client *c;
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Area *ta;
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View *v = a->view;
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assert(!a->frame && "wmiiwm: fatal, destroying non-empty area");
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if(v->revert == a)
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v->revert = NULL;
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for(c=client; c; c=c->next)
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if(c->revert == a)
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c->revert = NULL;
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for(ta=v->area; ta && ta->next != a; ta=ta->next);
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if(ta) {
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ta->next = a->next;
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if(v->sel == a)
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v->sel = ta->floating ? ta->next : ta;
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}
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free(a);
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}
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static void
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place_client(Area *a, Client *c) {
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static unsigned int mx, my;
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static Bool *field = NULL;
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Frame *fr;
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Bool fit = False;
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BlitzAlign align = CENTER;
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unsigned int i, j, x, y, maxx, maxy, dx, dy, cx, cy, diff, num = 0;
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XPoint p1 = {0, 0}, p2 = {0, 0};
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Frame *f = c->sel;
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int snap = screen->rect.height / 66;
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XRectangle *rects;
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if(c->trans)
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return;
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if(c->rect.width >= a->rect.width
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|| c->rect.height >= a->rect.height
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|| c->size.flags & USPosition
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|| c->size.flags & PPosition)
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return;
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rects = rects_of_view(a->view, &num);
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if(!field) {
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mx = screen->rect.width / 8;
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my = screen->rect.height / 8;
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field = ixp_emallocz(my * mx * sizeof(Bool));
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}
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for(y = 0; y < my; y++)
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for(x = 0; x < mx; x++)
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field[y*mx + x] = True;
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dx = screen->rect.width / mx;
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dy = screen->rect.height / my;
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for(fr=a->frame; fr; fr=fr->anext) {
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if(fr == f) {
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cx = f->rect.width / dx;
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cy = f->rect.height / dy;
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continue;
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}
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if(fr->rect.x < 0)
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x = 0;
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else
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x = fr->rect.x / dx;
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if(fr->rect.y < 0)
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y = 0;
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else
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y = fr->rect.y / dy;
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maxx = (fr->rect.x + fr->rect.width) / dx;
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maxy = (fr->rect.y + fr->rect.height) / dy;
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for(j = y; j < my && j < maxy; j++)
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for(i = x; i < mx && i < maxx; i++)
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field[j*mx + i] = False;
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}
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for(y = 0; y < my; y++)
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for(x = 0; x < mx; x++) {
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if(field[y*mx + x]) {
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for(i = x; (i < mx) && field[y*mx + i]; i++);
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for(j = y; (j < my) && field[j*mx + x]; j++);
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if(((i - x) * (j - y) > (p2.x - p1.x) * (p2.y - p1.y))
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&& (i - x > cx) && (j - y > cy))
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{
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fit = True;
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p1.x = x;
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p1.y = y;
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p2.x = i;
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p2.y = j;
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}
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}
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}
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if(fit) {
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p1.x *= dx;
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p1.y *= dy;
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}
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if(fit && (p1.x + f->rect.width < a->rect.x + a->rect.width))
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f->rect.x = p1.x;
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else {
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diff = a->rect.width - f->rect.width;
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f->rect.x = a->rect.x + (random() % (diff ? diff : 1));
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}
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if(fit && (p1.y + f->rect.height < a->rect.y + a->rect.height))
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f->rect.y = p1.y;
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else {
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diff = a->rect.height - f->rect.height;
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f->rect.y = a->rect.y + (random() % (diff ? diff : 1));
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}
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snap_rect(rects, num, &f->rect, &align, snap);
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if(rects)
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free(rects);
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}
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void
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send_to_area(Area *to, Area *from, Frame *f) {
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assert(to->view == f->view);
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if(to->floating != from->floating) {
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XRectangle temp = f->revert;
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f->revert = f->rect;
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f->rect = temp;
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}
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f->client->revert = from;
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detach_from_area(from, f);
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attach_to_area(to, f, True);
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focus_client(f->client, True);
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}
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void
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attach_to_area(Area *a, Frame *f, Bool send) {
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unsigned int h, n_frame;
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Frame **fa, *ft;
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View *v = a->view;
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Client *c = f->client;
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for(ft=a->frame, n_frame=1; ft; ft=ft->anext, n_frame++);
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h = 0;
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c->floating = a->floating;
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if(!c->floating) {
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h = a->rect.height / n_frame;
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if(a->frame)
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scale_column(a, a->rect.height - h);
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}
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if(!send && !c->floating) { /* column */
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unsigned int w = newcolw_of_view(v);
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if(v->area->next->frame && w) {
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a = new_column(v, a, w);
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arrange_view(v);
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}
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}
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fa = a->sel ? &a->sel->anext : &a->frame;
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f->anext = *fa;
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*fa = f;
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f->area = a;
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a->sel = f;
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if(!c->floating) { /* column */
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f->rect.height = h;
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arrange_column(a, False);
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}else /* floating */
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place_client(a, c);
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}
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void
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detach_from_area(Area *a, Frame *f) {
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Frame **ft, *pr = NULL;
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Client *c = f->client;
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View *v = a->view;
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for(ft=&a->frame; *ft; ft=&(*ft)->anext) {
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if(*ft == f) break;
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pr = *ft;
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}
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assert(*ft == f);
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*ft = f->anext;
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if(a->sel == f)
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a->sel = pr ? pr : *ft;
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if(!a->floating) {
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if(a->frame)
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arrange_column(a, False);
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else {
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if(v->area->next->next)
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destroy_area(a);
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else if(!a->frame && v->area->frame)
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v->sel = v->area; /* focus floating area if it contains something */
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arrange_view(v);
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}
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}
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else if(!a->frame) {
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if(c->trans) {
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/* focus area of transient, if possible */
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Client *cl = client_of_win(c->trans);
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if(cl && cl->frame) {
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a = cl->sel->area;
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if(a->view == v)
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v->sel = a;
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}
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}
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else if(v->area->next->frame)
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v->sel = v->area->next; /* focus first col as fallback */
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}
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}
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char *
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select_area(Area *a, char *arg) {
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Area *new;
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unsigned int i;
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Frame *p, *f;
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View *v;
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static char Ebadvalue[] = "bad value";
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v = a->view;
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f = a->sel;
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if(!strncmp(arg, "toggle", 7)) {
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if(a != v->area)
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new = v->area;
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else if(v->revert)
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new = v->revert;
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else
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new = v->area->next;
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} else if(!strncmp(arg, "left", 5)) {
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if(a->floating)
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return Ebadvalue;
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for(new=v->area->next;
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new && new->next != a;
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new=new->next);
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if(!new)
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new=v->area->next;
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} else if(!strncmp(arg, "right", 5)) {
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if(a->floating)
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return Ebadvalue;
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new = a->next ? a->next : a;
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}
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else if(!strncmp(arg, "up", 3)) {
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if(!f)
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return Ebadvalue;
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for(p=a->frame; p->anext; p=p->anext)
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if(p->anext == f) break;
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a->sel = p;
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arrange_column(a, False);
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if(v == screen->sel)
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focus_view(screen, v);
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flush_masked_events(EnterWindowMask);
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return NULL;
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}
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else if(!strncmp(arg, "down", 5)) {
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if(!f)
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return Ebadvalue;
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p = f->anext ? f->anext : a->frame;
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a->sel = p;
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arrange_column(a, False);
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if(v == screen->sel)
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focus_view(screen, v);
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flush_masked_events(EnterWindowMask);
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return NULL;
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}
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else {
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if(sscanf(arg, "%d", &i) != 1)
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return Ebadvalue;
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for(new=view->area; i && new->next; new=new->next, i--);
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}
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if(new->sel)
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focus_client(new->sel->client, True);
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v->sel = new;
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if(a->floating != new->floating)
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v->revert = a;
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return NULL;
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}
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