mirror of https://github.com/0intro/wmii
607 lines
13 KiB
C
607 lines
13 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 <stdlib.h>
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#include "wm.h"
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Cursor cursor_for_motion(Frame * f, int x, int y)
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{
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int n, e, w, s, tn, te, tw, ts;
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int tabh, bw;
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bw = border_width(f);
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tabh = tab_height(f);
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if (!f || !bw)
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return normal_cursor;
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/* rectangle attributes of client are used */
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w = x < bw;
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e = x >= f->rect.width - bw;
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n = y < bw;
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s = y >= f->rect.height - bw;
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tw = x < (tabh ? tabh : 2 * bw);
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te = x > f->rect.width - (tabh ? tabh : 2 * bw);
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tn = y < (tabh ? tabh : 2 * bw);
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ts = s > f->rect.height - (tabh ? tabh : 2 * bw);
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if ((w && n) || (w && tn) || (n && tw))
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return nw_cursor;
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else if ((e && n) || (e && tn) || (n && te))
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return ne_cursor;
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else if ((w && s) || (w && ts) || (s && tw))
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return sw_cursor;
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else if ((e && s) || (e && ts) || (s && te))
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return se_cursor;
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else if (w)
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return w_cursor;
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else if (e)
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return e_cursor;
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else if (n)
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return n_cursor;
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else if (s)
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return s_cursor;
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return normal_cursor;
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}
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Align xy_to_align(XRectangle * rect, int x, int y)
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{
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int w = x <= rect->x + rect->width / 2;
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int n = y <= rect->y + rect->height / 2;
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int e = x > rect->x + rect->width / 2;
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int s = y > rect->y + rect->height / 2;
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int nw = w && n;
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int ne = e && n;
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int sw = w && s;
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int se = e && s;
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if (nw)
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return NWEST;
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else if (ne)
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return NEAST;
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else if (se)
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return SEAST;
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else if (sw)
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return SWEST;
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else if (w)
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return WEST;
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else if (e)
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return EAST;
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else if (n)
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return NORTH;
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else if (s)
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return SOUTH;
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return CENTER;
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}
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Align cursor_to_align(Cursor cursor)
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{
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if (cursor == w_cursor)
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return WEST;
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else if (cursor == nw_cursor)
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return NWEST;
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else if (cursor == n_cursor)
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return NORTH;
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else if (cursor == ne_cursor)
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return NEAST;
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else if (cursor == e_cursor)
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return EAST;
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else if (cursor == se_cursor)
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return SEAST;
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else if (cursor == s_cursor)
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return SOUTH;
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else if (cursor == sw_cursor)
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return SWEST;
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return CENTER; /* should not happen */
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}
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static int 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)
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&& (neighbor->y + neighbor->height >= r->y))
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|| ((neighbor->y >= r->y)
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&& (r->y + r->height >= neighbor->y)));
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}
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static int 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)
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&& (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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/*
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* west edge of neighbor found, check
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* vert match
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*/
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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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/*
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* west edge of neighbor found, check
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* vert match
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*/
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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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/*
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* east edge of neighbor found, check
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* vert match
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*/
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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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/*
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* east edge of neighbor found, check
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* vert match
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*/
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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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/*
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* north edge of neighbor found,
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* check horiz match
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*/
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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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/*
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* north edge of neighbor found,
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* check horiz match
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*/
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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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/*
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* south edge of neighbor found,
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* check horiz match
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*/
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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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/*
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* south edge of neighbor found,
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* check horiz match
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*/
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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 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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XDrawRectangles(dpy, root, xorgc, &pseudo, 1);
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XSync(dpy, False);
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}
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void mouse_move(Frame * f)
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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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/* borders */
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int snapw = rect.width * blitz_strtonum(def[WM_SNAP_VALUE]->content, 0, 1000) / 1000;
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int snaph = rect.height * blitz_strtonum(def[WM_SNAP_VALUE]->content, 0, 1000) / 1000;
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unsigned int num;
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unsigned int dmask;
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XRectangle *rects = rectangles(&num);
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XRectangle frect = f->rect;
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XPoint pt;
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XQueryPointer(dpy, f->win, &dummy, &dummy, &i, &i, &wex, &wey, &dmask);
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XTranslateCoordinates(dpy, f->win, 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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XGrabServer(dpy);
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while (XGrabPointer(dpy, root, False, ButtonMotionMask | ButtonReleaseMask,
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GrabModeAsync, GrabModeAsync, None, move_cursor, CurrentTime) != GrabSuccess)
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usleep(20000);
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for (;;) {
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while (!XCheckMaskEvent(dpy, ButtonReleaseMask | ButtonMotionMask, &ev)) {
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usleep(20000);
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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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resize_frame(f, &frect, &pt);
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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, f->win, 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, Align 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 EAST:
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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 WEST:
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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 SOUTH:
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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 NORTH:
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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 mouse_resize(Frame * f, Align 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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/* borders */
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int snapw = rect.width * blitz_strtonum(def[WM_SNAP_VALUE]->content, 0, 1000) / 1000;
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int snaph = rect.height * blitz_strtonum(def[WM_SNAP_VALUE]->content, 0, 1000) / 1000;
|
|
unsigned int dmask;
|
|
unsigned int num;
|
|
XRectangle *rects = rectangles(&num);
|
|
XRectangle frect = f->rect;
|
|
XRectangle origin = frect;
|
|
|
|
XQueryPointer(dpy, f->win, &dummy, &dummy, &i, &i, &ox, &oy, &dmask);
|
|
XSync(dpy, False);
|
|
XGrabServer(dpy);
|
|
while (XGrabPointer(dpy, f->win, False, ButtonMotionMask | ButtonReleaseMask,
|
|
GrabModeAsync, GrabModeAsync, None, resize_cursor, CurrentTime) != GrabSuccess)
|
|
usleep(20000);
|
|
|
|
for (;;) {
|
|
while (!XCheckMaskEvent(dpy, ButtonReleaseMask | ButtonMotionMask, &ev)) {
|
|
usleep(20000);
|
|
continue;
|
|
}
|
|
|
|
switch (ev.type) {
|
|
case ButtonRelease:
|
|
if (!first) {
|
|
XPoint pt;
|
|
draw_pseudo_border(&frect);
|
|
pt.x = px;
|
|
pt.y = py;
|
|
resize_frame(f, &frect, &pt);
|
|
}
|
|
XUngrabPointer(dpy, CurrentTime /* ev.xbutton.time */ );
|
|
XUngrabServer(dpy);
|
|
XSync(dpy, False);
|
|
return;
|
|
break;
|
|
case MotionNotify:
|
|
XTranslateCoordinates(dpy, f->win, root, ev.xmotion.x,
|
|
ev.xmotion.y, &px, &py, &dummy);
|
|
|
|
if (first)
|
|
first = 0;
|
|
else
|
|
draw_pseudo_border(&frect);
|
|
|
|
snap_resize(&frect, &origin, align, rects, num, px,
|
|
ox, py, oy, snapw, snaph);
|
|
draw_pseudo_border(&frect);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void center_pointer(Frame * f)
|
|
{
|
|
Window dummy;
|
|
int wex, wey, ex, ey, i;
|
|
unsigned int dmask;
|
|
if (!f)
|
|
return;
|
|
XQueryPointer(dpy, f->win, &dummy, &dummy, &i, &i, &wex, &wey, &dmask);
|
|
XTranslateCoordinates(dpy, f->win, root, wex, wey, &ex, &ey, &dummy);
|
|
/* suppress EnterNotify's while mouse warping */
|
|
XSelectInput(dpy, root, ROOT_MASK & ~EnterWindowMask);
|
|
XSync(dpy, False);
|
|
XWarpPointer(dpy, None, f->win, 0, 0, 0, 0, f->rect.width / 2, f->rect.height / 2);
|
|
XSync(dpy, False);
|
|
XSelectInput(dpy, root, ROOT_MASK);
|
|
}
|