348 lines
12 KiB
C
348 lines
12 KiB
C
/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
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resist.c for the Openbox window manager
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Copyright (c) 2006 Mikael Magnusson
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Copyright (c) 2003-2007 Dana Jansens
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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See the COPYING file for a copy of the GNU General Public License.
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*/
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#include "client.h"
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#include "frame.h"
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#include "stacking.h"
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#include "screen.h"
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#include "config.h"
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#include "parser/parse.h"
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#include <glib.h>
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void resist_move_windows(ObClient *c, gint *x, gint *y)
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{
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GList *it;
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gint l, t, r, b; /* requested edges */
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gint cl, ct, cr, cb; /* current edges */
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gint w, h; /* current size */
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ObClient *snapx = NULL, *snapy = NULL;
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w = c->frame->area.width;
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h = c->frame->area.height;
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l = *x;
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t = *y;
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r = l + w - 1;
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b = t + h - 1;
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cl = RECT_LEFT(c->frame->area);
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ct = RECT_TOP(c->frame->area);
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cr = RECT_RIGHT(c->frame->area);
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cb = RECT_BOTTOM(c->frame->area);
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if (config_resist_win)
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for (it = stacking_list; it; it = g_list_next(it)) {
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ObClient *target;
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gint tl, tt, tr, tb; /* 1 past the target's edges on each side */
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if (!WINDOW_IS_CLIENT(it->data))
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continue;
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target = it->data;
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/* don't snap to self or non-visibles */
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if (!target->frame->visible || target == c) continue;
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/* don't snap to windows in layers beneath */
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if(target->layer < c->layer && !config_resist_layers_below)
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continue;
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tl = RECT_LEFT(target->frame->area) - 1;
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tt = RECT_TOP(target->frame->area) - 1;
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tr = RECT_RIGHT(target->frame->area) + 1;
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tb = RECT_BOTTOM(target->frame->area) + 1;
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/* snapx and snapy ensure that the window snaps to the top-most
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window edge available, without going all the way from
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bottom-to-top in the stacking list
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*/
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if (snapx == NULL) {
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if (ct < tb && cb > tt) {
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if (cl >= tr && l < tr && l >= tr - config_resist_win)
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*x = tr, snapx = target;
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else if (cr <= tl && r > tl &&
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r <= tl + config_resist_win)
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*x = tl - w + 1, snapx = target;
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if (snapx != NULL) {
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/* try to corner snap to the window */
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if (ct > tt && t <= tt &&
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t > tt - config_resist_win)
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*y = tt + 1, snapy = target;
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else if (cb < tb && b >= tb &&
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b < tb + config_resist_win)
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*y = tb - h, snapy = target;
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}
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}
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}
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if (snapy == NULL) {
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if (cl < tr && cr > tl) {
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if (ct >= tb && t < tb && t >= tb - config_resist_win)
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*y = tb, snapy = target;
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else if (cb <= tt && b > tt &&
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b <= tt + config_resist_win)
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*y = tt - h + 1, snapy = target;
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if (snapy != NULL) {
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/* try to corner snap to the window */
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if (cl > tl && l <= tl &&
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l > tl - config_resist_win)
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*x = tl + 1, snapx = target;
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else if (cr < tr && r >= tr &&
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r < tr + config_resist_win)
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*x = tr - w, snapx = target;
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}
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}
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}
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if (snapx && snapy) break;
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}
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}
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void resist_move_monitors(ObClient *c, gint *x, gint *y)
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{
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Rect *area, *parea;
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guint i;
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gint l, t, r, b; /* requested edges */
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gint al, at, ar, ab; /* screen area edges */
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gint pl, pt, pr, pb; /* physical screen area edges */
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gint cl, ct, cr, cb; /* current edges */
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gint w, h; /* current size */
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w = c->frame->area.width;
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h = c->frame->area.height;
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l = *x;
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t = *y;
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r = l + w - 1;
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b = t + h - 1;
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cl = RECT_LEFT(c->frame->area);
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ct = RECT_TOP(c->frame->area);
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cr = RECT_RIGHT(c->frame->area);
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cb = RECT_BOTTOM(c->frame->area);
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if (config_resist_edge) {
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for (i = 0; i < screen_num_monitors; ++i) {
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area = screen_area_monitor(c->desktop, i);
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parea = screen_physical_area_monitor(i);
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if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
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continue;
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al = RECT_LEFT(*area);
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at = RECT_TOP(*area);
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ar = RECT_RIGHT(*area);
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ab = RECT_BOTTOM(*area);
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pl = RECT_LEFT(*parea);
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pt = RECT_TOP(*parea);
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pr = RECT_RIGHT(*parea);
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pb = RECT_BOTTOM(*parea);
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if (cl >= al && l < al && l >= al - config_resist_edge)
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*x = al;
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else if (cr <= ar && r > ar && r <= ar + config_resist_edge)
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*x = ar - w + 1;
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else if (cl >= pl && l < pl && l >= pl - config_resist_edge)
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*x = pl;
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else if (cr <= pr && r > pr && r <= pr + config_resist_edge)
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*x = pr - w + 1;
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if (ct >= at && t < at && t >= at - config_resist_edge)
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*y = at;
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else if (cb <= ab && b > ab && b < ab + config_resist_edge)
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*y = ab - h + 1;
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else if (ct >= pt && t < pt && t >= pt - config_resist_edge)
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*y = pt;
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else if (cb <= pb && b > pb && b < pb + config_resist_edge)
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*y = pb - h + 1;
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}
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}
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}
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void resist_size_windows(ObClient *c, gint *w, gint *h, ObCorner corn)
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{
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GList *it;
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ObClient *target; /* target */
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gint l, t, r, b; /* my left, top, right and bottom sides */
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gint dlt, drb; /* my destination left/top and right/bottom sides */
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gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
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gint incw, inch;
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ObClient *snapx = NULL, *snapy = NULL;
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incw = c->size_inc.width;
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inch = c->size_inc.height;
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l = RECT_LEFT(c->frame->area);
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r = RECT_RIGHT(c->frame->area);
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t = RECT_TOP(c->frame->area);
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b = RECT_BOTTOM(c->frame->area);
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if (config_resist_win) {
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for (it = stacking_list; it; it = g_list_next(it)) {
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if (!WINDOW_IS_CLIENT(it->data))
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continue;
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target = it->data;
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/* don't snap to invisibles or ourself */
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if (!target->frame->visible || target == c) continue;
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/* don't snap to windows in layers beneath */
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if(target->layer < c->layer && !config_resist_layers_below)
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continue;
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tl = RECT_LEFT(target->frame->area);
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tr = RECT_RIGHT(target->frame->area);
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tt = RECT_TOP(target->frame->area);
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tb = RECT_BOTTOM(target->frame->area);
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if (snapx == NULL) {
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/* horizontal snapping */
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if (t < tb && b > tt) {
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_BOTTOMLEFT:
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dlt = l;
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drb = r + *w - c->frame->area.width;
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if (r < tl && drb >= tl &&
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drb < tl + config_resist_win)
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*w = tl - l, snapx = target;
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break;
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case OB_CORNER_TOPRIGHT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = l - *w + c->frame->area.width;
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drb = r;
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if (l > tr && dlt <= tr &&
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dlt > tr - config_resist_win)
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*w = r - tr, snapx = target;
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break;
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}
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}
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}
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if (snapy == NULL) {
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/* vertical snapping */
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if (l < tr && r > tl) {
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_TOPRIGHT:
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dlt = t;
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drb = b + *h - c->frame->area.height;
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if (b < tt && drb >= tt &&
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drb < tt + config_resist_win)
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*h = tt - t, snapy = target;
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break;
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case OB_CORNER_BOTTOMLEFT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = t - *h + c->frame->area.height;
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drb = b;
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if (t > tb && dlt <= tb &&
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dlt > tb - config_resist_win)
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*h = b - tb, snapy = target;
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break;
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}
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}
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}
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/* snapped both ways */
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if (snapx && snapy) break;
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}
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}
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}
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void resist_size_monitors(ObClient *c, gint *w, gint *h, ObCorner corn)
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{
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gint l, t, r, b; /* my left, top, right and bottom sides */
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gint dlt, drb; /* my destination left/top and right/bottom sides */
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Rect *area, *parea;
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gint al, at, ar, ab; /* screen boundaries */
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gint pl, pt, pr, pb; /* physical screen boundaries */
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gint incw, inch;
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guint i;
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l = RECT_LEFT(c->frame->area);
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r = RECT_RIGHT(c->frame->area);
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t = RECT_TOP(c->frame->area);
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b = RECT_BOTTOM(c->frame->area);
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incw = c->size_inc.width;
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inch = c->size_inc.height;
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for (i = 0; i < screen_num_monitors; ++i) {
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area = screen_area_monitor(c->desktop, i);
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parea = screen_physical_area_monitor(i);
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if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
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continue;
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/* get the screen boundaries */
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al = RECT_LEFT(*area);
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at = RECT_TOP(*area);
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ar = RECT_RIGHT(*area);
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ab = RECT_BOTTOM(*area);
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pl = RECT_LEFT(*parea);
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pt = RECT_TOP(*parea);
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pr = RECT_RIGHT(*parea);
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pb = RECT_BOTTOM(*parea);
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if (config_resist_edge) {
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/* horizontal snapping */
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_BOTTOMLEFT:
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dlt = l;
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drb = r + *w - c->frame->area.width;
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if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
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*w = ar - l + 1;
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else if (r <= pr && drb > pr && drb <= pr + config_resist_edge)
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*w = pr - l + 1;
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break;
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case OB_CORNER_TOPRIGHT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = l - *w + c->frame->area.width;
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drb = r;
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if (l >= al && dlt < al && dlt >= al - config_resist_edge)
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*w = r - al + 1;
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else if (l >= pl && dlt < pl && dlt >= pl - config_resist_edge)
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*w = r - pl + 1;
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break;
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}
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/* vertical snapping */
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_TOPRIGHT:
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dlt = t;
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drb = b + *h - c->frame->area.height;
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if (b <= ab && drb > ab && drb <= ab + config_resist_edge)
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*h = ab - t + 1;
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else if (b <= pb && drb > pb && drb <= pb + config_resist_edge)
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*h = pb - t + 1;
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break;
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case OB_CORNER_BOTTOMLEFT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = t - *h + c->frame->area.height;
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drb = b;
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if (t >= at && dlt < at && dlt >= at - config_resist_edge)
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*h = b - at + 1;
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else if (t >= pt && dlt < pt && dlt >= pt - config_resist_edge)
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*h = b - pt + 1;
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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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