1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 resist.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 See the COPYING file for a copy of the GNU General Public License.
25 #include "parser/parse.h"
29 void resist_move_windows(ObClient *c, gint resist, gint *x, gint *y)
32 gint l, t, r, b; /* requested edges */
33 gint cl, ct, cr, cb; /* current edges */
34 gint w, h; /* current size */
35 ObClient *snapx = NULL, *snapy = NULL;
39 frame_client_gravity(c->frame, x, y, c->area.width, c->area.height);
41 w = c->frame->area.width;
42 h = c->frame->area.height;
49 cl = RECT_LEFT(c->frame->area);
50 ct = RECT_TOP(c->frame->area);
51 cr = RECT_RIGHT(c->frame->area);
52 cb = RECT_BOTTOM(c->frame->area);
54 for (it = stacking_list; it; it = g_list_next(it)) {
56 gint tl, tt, tr, tb; /* 1 past the target's edges on each side */
58 if (!WINDOW_IS_CLIENT(it->data))
62 /* don't snap to self or non-visibles */
63 if (!target->frame->visible || target == c) continue;
65 tl = RECT_LEFT(target->frame->area) - 1;
66 tt = RECT_TOP(target->frame->area) - 1;
67 tr = RECT_RIGHT(target->frame->area) + 1;
68 tb = RECT_BOTTOM(target->frame->area) + 1;
70 /* snapx and snapy ensure that the window snaps to the top-most
71 window edge available, without going all the way from
72 bottom-to-top in the stacking list
75 if (ct < tb && cb > tt) {
76 if (cl >= tr && l < tr && l >= tr - resist)
77 *x = tr, snapx = target;
78 else if (cr <= tl && r > tl &&
80 *x = tl - w + 1, snapx = target;
82 /* try to corner snap to the window */
83 if (ct > tt && t <= tt &&
85 *y = tt + 1, snapy = target;
86 else if (cb < tb && b >= tb &&
88 *y = tb - h, snapy = target;
93 if (cl < tr && cr > tl) {
94 if (ct >= tb && t < tb && t >= tb - resist)
95 *y = tb, snapy = target;
96 else if (cb <= tt && b > tt &&
98 *y = tt - h + 1, snapy = target;
100 /* try to corner snap to the window */
101 if (cl > tl && l <= tl &&
103 *x = tl + 1, snapx = target;
104 else if (cr < tr && r >= tr &&
106 *x = tr - w, snapx = target;
111 if (snapx && snapy) break;
114 frame_frame_gravity(c->frame, x, y, c->area.width, c->area.height);
117 void resist_move_monitors(ObClient *c, gint resist, gint *x, gint *y)
121 gint l, t, r, b; /* requested edges */
122 gint al, at, ar, ab; /* screen area edges */
123 gint pl, pt, pr, pb; /* physical screen area edges */
124 gint cl, ct, cr, cb; /* current edges */
125 gint w, h; /* current size */
129 frame_client_gravity(c->frame, x, y, c->area.width, c->area.height);
131 w = c->frame->area.width;
132 h = c->frame->area.height;
139 cl = RECT_LEFT(c->frame->area);
140 ct = RECT_TOP(c->frame->area);
141 cr = RECT_RIGHT(c->frame->area);
142 cb = RECT_BOTTOM(c->frame->area);
144 for (i = 0; i < screen_num_monitors; ++i) {
145 area = screen_area_monitor(c->desktop, i);
146 parea = screen_physical_area_monitor(i);
148 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
151 al = RECT_LEFT(*area);
152 at = RECT_TOP(*area);
153 ar = RECT_RIGHT(*area);
154 ab = RECT_BOTTOM(*area);
155 pl = RECT_LEFT(*parea);
156 pt = RECT_TOP(*parea);
157 pr = RECT_RIGHT(*parea);
158 pb = RECT_BOTTOM(*parea);
160 if (cl >= al && l < al && l >= al - resist)
162 else if (cr <= ar && r > ar && r <= ar + resist)
164 else if (cl >= pl && l < pl && l >= pl - resist)
166 else if (cr <= pr && r > pr && r <= pr + resist)
169 if (ct >= at && t < at && t >= at - resist)
171 else if (cb <= ab && b > ab && b < ab + resist)
173 else if (ct >= pt && t < pt && t >= pt - resist)
175 else if (cb <= pb && b > pb && b < pb + resist)
179 frame_frame_gravity(c->frame, x, y, c->area.width, c->area.height);
182 void resist_size_windows(ObClient *c, gint resist, gint *w, gint *h,
186 ObClient *target; /* target */
187 gint l, t, r, b; /* my left, top, right and bottom sides */
188 gint dlt, drb; /* my destination left/top and right/bottom sides */
189 gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
191 ObClient *snapx = NULL, *snapy = NULL;
195 incw = c->size_inc.width;
196 inch = c->size_inc.height;
198 l = RECT_LEFT(c->frame->area);
199 r = RECT_RIGHT(c->frame->area);
200 t = RECT_TOP(c->frame->area);
201 b = RECT_BOTTOM(c->frame->area);
203 for (it = stacking_list; it; it = g_list_next(it)) {
204 if (!WINDOW_IS_CLIENT(it->data))
208 /* don't snap to invisibles or ourself */
209 if (!target->frame->visible || target == c) continue;
211 tl = RECT_LEFT(target->frame->area);
212 tr = RECT_RIGHT(target->frame->area);
213 tt = RECT_TOP(target->frame->area);
214 tb = RECT_BOTTOM(target->frame->area);
217 /* horizontal snapping */
218 if (t < tb && b > tt) {
220 case OB_CORNER_TOPLEFT:
221 case OB_CORNER_BOTTOMLEFT:
223 drb = r + *w - c->frame->area.width;
224 if (r < tl && drb >= tl &&
226 *w = tl - l, snapx = target;
228 case OB_CORNER_TOPRIGHT:
229 case OB_CORNER_BOTTOMRIGHT:
230 dlt = l - *w + c->frame->area.width;
232 if (l > tr && dlt <= tr &&
234 *w = r - tr, snapx = target;
241 /* vertical snapping */
242 if (l < tr && r > tl) {
244 case OB_CORNER_TOPLEFT:
245 case OB_CORNER_TOPRIGHT:
247 drb = b + *h - c->frame->area.height;
248 if (b < tt && drb >= tt &&
250 *h = tt - t, snapy = target;
252 case OB_CORNER_BOTTOMLEFT:
253 case OB_CORNER_BOTTOMRIGHT:
254 dlt = t - *h + c->frame->area.height;
256 if (t > tb && dlt <= tb &&
258 *h = b - tb, snapy = target;
264 /* snapped both ways */
265 if (snapx && snapy) break;
269 void resist_size_monitors(ObClient *c, gint resist, gint *w, gint *h,
272 gint l, t, r, b; /* my left, top, right and bottom sides */
273 gint dlt, drb; /* my destination left/top and right/bottom sides */
275 gint al, at, ar, ab; /* screen boundaries */
276 gint pl, pt, pr, pb; /* physical screen boundaries */
282 l = RECT_LEFT(c->frame->area);
283 r = RECT_RIGHT(c->frame->area);
284 t = RECT_TOP(c->frame->area);
285 b = RECT_BOTTOM(c->frame->area);
287 incw = c->size_inc.width;
288 inch = c->size_inc.height;
290 for (i = 0; i < screen_num_monitors; ++i) {
291 area = screen_area_monitor(c->desktop, i);
292 parea = screen_physical_area_monitor(i);
294 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
297 /* get the screen boundaries */
298 al = RECT_LEFT(*area);
299 at = RECT_TOP(*area);
300 ar = RECT_RIGHT(*area);
301 ab = RECT_BOTTOM(*area);
302 pl = RECT_LEFT(*parea);
303 pt = RECT_TOP(*parea);
304 pr = RECT_RIGHT(*parea);
305 pb = RECT_BOTTOM(*parea);
307 /* horizontal snapping */
309 case OB_CORNER_TOPLEFT:
310 case OB_CORNER_BOTTOMLEFT:
312 drb = r + *w - c->frame->area.width;
313 if (r <= ar && drb > ar && drb <= ar + resist)
315 else if (r <= pr && drb > pr && drb <= pr + resist)
318 case OB_CORNER_TOPRIGHT:
319 case OB_CORNER_BOTTOMRIGHT:
320 dlt = l - *w + c->frame->area.width;
322 if (l >= al && dlt < al && dlt >= al - resist)
324 else if (l >= pl && dlt < pl && dlt >= pl - resist)
329 /* vertical snapping */
331 case OB_CORNER_TOPLEFT:
332 case OB_CORNER_TOPRIGHT:
334 drb = b + *h - c->frame->area.height;
335 if (b <= ab && drb > ab && drb <= ab + resist)
337 else if (b <= pb && drb > pb && drb <= pb + resist)
340 case OB_CORNER_BOTTOMLEFT:
341 case OB_CORNER_BOTTOMRIGHT:
342 dlt = t - *h + c->frame->area.height;
344 if (t >= at && dlt < at && dlt >= at - resist)
346 else if (t >= pt && dlt < pt && dlt >= pt - resist)