mirror of https://github.com/0intro/wmii
508 lines
12 KiB
C
508 lines
12 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 <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "wm.h"
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static int
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check_vert_match(XRectangle *r, XRectangle *neighbor)
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{
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/* check if neighbor matches edge */
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return (((neighbor->y <= r->y) && (neighbor->y + neighbor->height >= r->y))
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|| ((neighbor->y >= r->y) && (r->y + r->height >= neighbor->y)));
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}
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static int
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check_horiz_match(XRectangle * r, XRectangle * neighbor)
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{
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/* check if neighbor matches edge */
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return (((neighbor->x <= r->x) && (neighbor->x + neighbor->width >= r->x))
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|| ((neighbor->x >= r->x)
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&& (r->x + r->width >= neighbor->x)));
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}
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static void
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snap_move(XRectangle * r, XRectangle * rects,
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unsigned int num, int snapw, int snaph)
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{
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int i, j, w = 0, n = 0, e = 0, s = 0;
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/* snap to other windows */
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for(i = 0; i <= snapw && !(w && e); i++) {
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for(j = 0; j < num && !(w && e); j++) {
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/* check west neighbors leftwards */
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if(!w) {
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if(r->x - i == (rects[j].x + rects[j].width)) {
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/* west edge of neighbor found, check vert match */
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w = check_vert_match(r, &rects[j]);
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if(w)
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r->x = rects[j].x + rects[j].width;
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}
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}
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/* check west neighbors rightwards */
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if(!w) {
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if(r->x + i == (rects[j].x + rects[j].width)) {
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/* west edge of neighbor found, check vert match */
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w = check_vert_match(r, &rects[j]);
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if(w)
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r->x = rects[j].x + rects[j].width;
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}
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}
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/* check east neighbors leftwards */
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if(!e) {
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if(r->x + r->width - i == rects[j].x) {
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/* east edge of neighbor found, check vert match */
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e = check_vert_match(r, &rects[j]);
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if(e)
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r->x = rects[j].x - r->width;
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}
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}
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/* check east neighbors rightwards */
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if(!e) {
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if(r->x + r->width + i == rects[j].x) {
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/* east edge of neighbor found, check vert match */
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e = check_vert_match(r, &rects[j]);
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if(e)
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r->x = rects[j].x - r->width;
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}
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}
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}
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/* snap to west screen border */
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if(!w && (r->x - i == rect.x)) {
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w = 1;
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r->x = rect.x;
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}
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/* snap to west screen border */
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if(!w && (r->x + i == rect.x)) {
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w = 1;
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r->x = rect.x;
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}
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/* snap to east screen border */
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if(!e && (r->x + r->width - i == rect.width)) {
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e = 1;
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r->x = rect.x + rect.width - r->width;
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}
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if(!e && (r->x + r->width + i == rect.width)) {
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e = 1;
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r->x = rect.x + rect.width - r->width;
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}
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}
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for(i = 0; i <= snaph && !(n && s); i++) {
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for(j = 0; j < num && !(n && s); j++) {
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/* check north neighbors upwards */
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if(!n) {
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if(r->y - i == (rects[j].y + rects[j].height)) {
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/* north edge of neighbor found, check horiz match */
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n = check_horiz_match(r, &rects[j]);
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if(n)
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r->y = rects[j].y + rects[j].height;
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}
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}
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/* check north neighbors downwards */
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if(!n) {
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if(r->y + i == (rects[j].y + rects[j].height)) {
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/* north edge of neighbor found, check horiz match */
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n = check_horiz_match(r, &rects[j]);
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if(n)
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r->y = rects[j].y + rects[j].height;
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}
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}
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/* check south neighbors upwards */
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if(!s) {
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if(r->y + r->height - i == rects[j].y) {
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/* south edge of neighbor found, check horiz match */
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s = check_horiz_match(r, &rects[j]);
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if(s)
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r->y = rects[j].y - r->height;
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}
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}
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/* check south neighbors downwards */
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if(!s) {
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if(r->y + r->height + i == rects[j].y) {
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/* south edge of neighbor found, check horiz match */
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s = check_horiz_match(r, &rects[j]);
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if(s)
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r->y = rects[j].y - r->height;
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}
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}
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}
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/* snap to north screen border */
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if(!n && (r->y - i == rect.y)) {
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n = 1;
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r->y = rect.y;
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}
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if(!n && (r->y + i == rect.y)) {
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n = 1;
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r->y = rect.y;
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}
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/* snap to south screen border */
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if(!s && (r->y + r->height - i == rect.height)) {
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s = 1;
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r->y = rect.y + rect.height - r->height;
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}
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if(!s && (r->y + r->height + i == rect.height)) {
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s = 1;
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r->y = rect.y + rect.height - r->height;
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}
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}
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}
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static void
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draw_pseudo_border(XRectangle * r)
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{
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XRectangle pseudo = *r;
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pseudo.x += 2;
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pseudo.y += 2;
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pseudo.width -= 4;
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pseudo.height -= 4;
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XSetLineAttributes(dpy, xorgc, 1, LineSolid, CapNotLast, JoinMiter);
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XDrawLine(dpy, root, xorgc, pseudo.x + 2, pseudo.y + pseudo.height / 2,
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pseudo.x + pseudo.width - 2, pseudo.y + pseudo.height / 2);
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XDrawLine(dpy, root, xorgc, pseudo.x + pseudo.width / 2, pseudo.y + 2,
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pseudo.x + pseudo.width / 2, pseudo.y + pseudo.height - 2);
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XSetLineAttributes(dpy, xorgc, 4, LineSolid, CapNotLast, JoinMiter);
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XDrawRectangles(dpy, root, xorgc, &pseudo, 1);
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XSync(dpy, False);
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}
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void
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do_mouse_move(Client *c, XButtonPressedEvent *e, Bool swap)
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{
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int px = 0, py = 0, wex, wey, ex, ey, first = 1, i;
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Window dummy;
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XEvent ev;
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int snapw = (rect.width * def.snap) / 1000;
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int snaph = (rect.height * def.snap) / 1000;
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unsigned int num;
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unsigned int dmask;
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Frame *f = c->frame.data[c->sel];
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XRectangle *rects = rects_of_view(f->area->view, idx_of_area(f->area) == 0, &num);
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XRectangle frect = f->rect;
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XPoint pt;
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XQueryPointer(dpy, c->framewin, &dummy, &dummy, &i, &i, &wex, &wey, &dmask);
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XTranslateCoordinates(dpy, c->framewin, root, wex, wey, &ex, &ey, &dummy);
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pt.x = ex;
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pt.y = ey;
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XSync(dpy, False);
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if(XGrabPointer(dpy, root, False, PointerMotionMask | ButtonReleaseMask,
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GrabModeAsync, GrabModeAsync, None, cursor[CurMove],
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e->time) != GrabSuccess)
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return;
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XGrabServer(dpy);
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for(;;) {
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while(!XCheckMaskEvent(dpy, ButtonReleaseMask | PointerMotionMask, &ev)) {
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usleep(1000);
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continue;
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}
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switch (ev.type) {
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case ButtonRelease:
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if(!first) {
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draw_pseudo_border(&frect);
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if(idx_of_area(f->area)) {
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if(swap)
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drop_swap(c, &pt);
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else
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resize_column(c, &frect, &pt);
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}
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else
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resize_client(c, &frect, False);
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}
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free(rects);
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XUngrabPointer(dpy, CurrentTime /* ev.xbutton.time */ );
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XUngrabServer(dpy);
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XSync(dpy, False);
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return;
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break;
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case MotionNotify:
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pt.x = ev.xmotion.x;
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pt.y = ev.xmotion.y;
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XTranslateCoordinates(dpy, c->framewin, root, ev.xmotion.x,
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ev.xmotion.y, &px, &py, &dummy);
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if(first)
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first = 0;
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else
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draw_pseudo_border(&frect);
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frect.x = px - ex;
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frect.y = py - ey;
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snap_move(&frect, rects, num, snapw, snaph);
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draw_pseudo_border(&frect);
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break;
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}
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}
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}
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static void
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snap_resize(XRectangle * r, XRectangle * o, BlitzAlign align,
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XRectangle * rects, unsigned int num, int px, int ox, int py,
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int oy, int snapw, int snaph)
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{
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int i, j, pend = 0;
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int w, h;
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/* x */
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switch (align) {
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case NEAST:
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case SEAST:
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w = px - r->x + (o->width - ox);
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if(w < 10)
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break;
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r->width = w;
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if(w <= snapw)
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break;
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/* snap to border */
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for(i = 0; !pend && (i < snapw); i++) {
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if(r->x + r->width - i == rect.x + rect.width) {
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r->width -= i;
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break;
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}
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if(r->x + r->width + i == rect.x + rect.width) {
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r->width += i;
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break;
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}
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for(j = 0; j < num; j++) {
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if(r->x + r->width - i == rects[j].x) {
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pend = check_vert_match(r, &rects[j]);
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if(pend) {
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r->width -= i;
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break;
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}
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}
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if(r->x + r->width + i == rects[j].x) {
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pend = check_vert_match(r, &rects[j]);
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if(pend) {
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r->width += i;
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break;
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}
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}
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}
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}
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break;
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case NWEST:
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case SWEST:
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w = r->width + r->x - px + ox;
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if(w < 10)
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break;
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r->width = w;
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r->x = px - ox;
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if(w <= snapw)
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break;
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/* snap to border */
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for(i = 0; !pend && (i < snapw); i++) {
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if(r->x - i == rect.x) {
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r->x -= i;
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r->width += i;
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break;
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}
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if(r->x + i == rect.x) {
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r->x += i;
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r->width -= i;
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break;
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}
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for(j = 0; j < num; j++) {
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if(r->x - i == rects[j].x + rects[j].width) {
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pend = check_vert_match(r, &rects[j]);
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if(pend) {
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r->x -= i;
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r->width += i;
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break;
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}
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}
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if(r->x + i == rects[j].x + rects[j].width) {
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pend = check_vert_match(r, &rects[j]);
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if(pend) {
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r->x += i;
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r->width -= i;
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break;
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}
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}
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}
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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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/* y */
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pend = 0;
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switch (align) {
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case SWEST:
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case SEAST:
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h = py - r->y + (o->height - oy);
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if(h < 10)
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break;
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r->height = h;
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if(h <= snaph)
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break;
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/* snap to border */
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for(i = 0; !pend && (i < snaph); i++) {
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if(r->y + r->height - i == rect.y + rect.height) {
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r->height -= i;
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break;
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}
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if(r->y + r->height + i == rect.y + rect.height) {
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r->height += i;
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break;
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}
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for(j = 0; j < num; j++) {
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if(r->y + r->height - i == rects[j].y) {
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pend = check_horiz_match(r, &rects[j]);
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if(pend) {
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r->height -= i;
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break;
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}
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}
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if(r->y + r->height + i == rects[j].y) {
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pend = check_horiz_match(r, &rects[j]);
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if(pend) {
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r->height += i;
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break;
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}
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}
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}
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}
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break;
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case NWEST:
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case NEAST:
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h = r->height + r->y - py + oy;
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if(h < 10)
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break;
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r->height = h;
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r->y = py - oy;
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if(h <= snaph)
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break;
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/* snap to border */
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for(i = 0; !pend && (i < snaph); i++) {
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if(r->y - i == rect.y) {
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r->y -= i;
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r->height += i;
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break;
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}
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if(r->y + i == rect.y) {
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r->y += i;
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r->height -= i;
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break;
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}
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for(j = 0; j < num; j++) {
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if(r->y - i == rects[j].y + rects[j].height) {
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pend = check_horiz_match(r, &rects[j]);
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if(pend) {
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r->y -= i;
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r->height += i;
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break;
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}
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}
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if(r->y + i == rects[j].y + rects[j].height) {
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pend = check_horiz_match(r, &rects[j]);
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if(pend) {
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r->y += i;
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r->height -= i;
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break;
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}
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}
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}
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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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void
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do_mouse_resize(Client *c, XButtonPressedEvent *e, BlitzAlign align)
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{
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int px = 0, py = 0, i, ox, oy, first = 1;
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Window dummy;
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XEvent ev;
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int snapw = (rect.width * def.snap) / 1000;
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int snaph = (rect.height * def.snap) / 1000;
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unsigned int dmask;
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unsigned int num;
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Frame *f = c->frame.data[c->sel];
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XRectangle *rects = rects_of_view(f->area->view, idx_of_area(f->area) == 0, &num);
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XRectangle frect = f->rect;
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XRectangle origin = frect;
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XQueryPointer(dpy, c->framewin, &dummy, &dummy, &i, &i, &ox, &oy, &dmask);
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XSync(dpy, False);
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if(XGrabPointer(dpy, c->framewin, False, PointerMotionMask | ButtonReleaseMask,
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GrabModeAsync, GrabModeAsync, None, cursor[CurResize],
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e->time) != GrabSuccess)
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return;
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XGrabServer(dpy);
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for(;;) {
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while(!XCheckMaskEvent(dpy, ButtonReleaseMask | PointerMotionMask, &ev)) {
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usleep(1000);
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continue;
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}
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switch (ev.type) {
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case ButtonRelease:
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if(!first) {
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XPoint pt;
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draw_pseudo_border(&frect);
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pt.x = px;
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pt.y = py;
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if(idx_of_area(f->area))
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resize_column(c, &frect, &pt);
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else
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resize_client(c, &frect, False);
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}
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XUngrabPointer(dpy, CurrentTime /* ev.xbutton.time */ );
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XUngrabServer(dpy);
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XSync(dpy, False);
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return;
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break;
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case MotionNotify:
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XTranslateCoordinates(dpy, c->framewin, root, ev.xmotion.x,
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ev.xmotion.y, &px, &py, &dummy);
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if(first)
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first = 0;
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else
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draw_pseudo_border(&frect);
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snap_resize(&frect, &origin, align, rects, num, px,
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ox, py, oy, snapw, snaph);
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draw_pseudo_border(&frect);
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break;
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}
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}
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}
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void
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grab_mouse(Window w, unsigned long mod, unsigned int button)
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{
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XGrabButton(dpy, button, mod, w, False, ButtonPressMask,
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GrabModeAsync, GrabModeAsync, None, None);
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if((mod != AnyModifier) && num_lock_mask) {
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XGrabButton(dpy, button, mod | num_lock_mask, w, False, ButtonPressMask,
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GrabModeAsync, GrabModeAsync, None, None);
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XGrabButton(dpy, button, mod | num_lock_mask | LockMask, w, False,
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ButtonPressMask, GrabModeAsync, GrabModeAsync, None, None);
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}
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}
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void
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ungrab_mouse(Window w, unsigned long mod, unsigned int button)
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{
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XUngrabButton(dpy, button, mod, w);
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if(mod != AnyModifier && num_lock_mask) {
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XUngrabButton(dpy, button, mod | num_lock_mask, w);
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XUngrabButton(dpy, button, mod | num_lock_mask | LockMask, w);
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}
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}
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