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;
64 /* don't snap to windows set to below and skip_taskbar (desklets) */
65 if (target->below && target->skip_taskbar) continue;
67 tl = RECT_LEFT(target->frame->area) - 1;
68 tt = RECT_TOP(target->frame->area) - 1;
69 tr = RECT_RIGHT(target->frame->area) + 1;
70 tb = RECT_BOTTOM(target->frame->area) + 1;
72 /* snapx and snapy ensure that the window snaps to the top-most
73 window edge available, without going all the way from
74 bottom-to-top in the stacking list
77 if (ct < tb && cb > tt) {
78 if (cl >= tr && l < tr && l >= tr - resist)
79 *x = tr, snapx = target;
80 else if (cr <= tl && r > tl &&
82 *x = tl - w + 1, snapx = target;
84 /* try to corner snap to the window */
85 if (ct > tt && t <= tt &&
87 *y = tt + 1, snapy = target;
88 else if (cb < tb && b >= tb &&
90 *y = tb - h, snapy = target;
95 if (cl < tr && cr > tl) {
96 if (ct >= tb && t < tb && t >= tb - resist)
97 *y = tb, snapy = target;
98 else if (cb <= tt && b > tt &&
100 *y = tt - h + 1, snapy = target;
102 /* try to corner snap to the window */
103 if (cl > tl && l <= tl &&
105 *x = tl + 1, snapx = target;
106 else if (cr < tr && r >= tr &&
108 *x = tr - w, snapx = target;
113 if (snapx && snapy) break;
116 frame_frame_gravity(c->frame, x, y, c->area.width, c->area.height);
119 void resist_move_monitors(ObClient *c, gint resist, gint *x, gint *y)
123 gint l, t, r, b; /* requested edges */
124 gint al, at, ar, ab; /* screen area edges */
125 gint pl, pt, pr, pb; /* physical screen area edges */
126 gint cl, ct, cr, cb; /* current edges */
127 gint w, h; /* current size */
132 frame_client_gravity(c->frame, x, y, c->area.width, c->area.height);
134 w = c->frame->area.width;
135 h = c->frame->area.height;
142 cl = RECT_LEFT(c->frame->area);
143 ct = RECT_TOP(c->frame->area);
144 cr = RECT_RIGHT(c->frame->area);
145 cb = RECT_BOTTOM(c->frame->area);
147 RECT_SET(desired_area, *x, *y, c->area.width, c->area.height);
149 for (i = 0; i < screen_num_monitors; ++i) {
150 parea = screen_physical_area_monitor(i);
152 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area)) {
157 area = screen_area(c->desktop, SCREEN_AREA_ALL_MONITORS,
160 al = RECT_LEFT(*area);
161 at = RECT_TOP(*area);
162 ar = RECT_RIGHT(*area);
163 ab = RECT_BOTTOM(*area);
164 pl = RECT_LEFT(*parea);
165 pt = RECT_TOP(*parea);
166 pr = RECT_RIGHT(*parea);
167 pb = RECT_BOTTOM(*parea);
169 if (cl >= al && l < al && l >= al - resist)
171 else if (cr <= ar && r > ar && r <= ar + resist)
173 else if (cl >= pl && l < pl && l >= pl - resist)
175 else if (cr <= pr && r > pr && r <= pr + resist)
178 if (ct >= at && t < at && t >= at - resist)
180 else if (cb <= ab && b > ab && b < ab + resist)
182 else if (ct >= pt && t < pt && t >= pt - resist)
184 else if (cb <= pb && b > pb && b < pb + resist)
191 frame_frame_gravity(c->frame, x, y, c->area.width, c->area.height);
194 void resist_size_windows(ObClient *c, gint resist, gint *w, gint *h,
198 ObClient *target; /* target */
199 gint l, t, r, b; /* my left, top, right and bottom sides */
200 gint dlt, drb; /* my destination left/top and right/bottom sides */
201 gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
203 ObClient *snapx = NULL, *snapy = NULL;
207 incw = c->size_inc.width;
208 inch = c->size_inc.height;
210 l = RECT_LEFT(c->frame->area);
211 r = RECT_RIGHT(c->frame->area);
212 t = RECT_TOP(c->frame->area);
213 b = RECT_BOTTOM(c->frame->area);
215 for (it = stacking_list; it; it = g_list_next(it)) {
216 if (!WINDOW_IS_CLIENT(it->data))
220 /* don't snap to invisibles or ourself */
221 if (!target->frame->visible || target == c) continue;
222 /* don't snap to windows set to below and skip_taskbar (desklets) */
223 if (target->below && target->skip_taskbar) continue;
225 tl = RECT_LEFT(target->frame->area);
226 tr = RECT_RIGHT(target->frame->area);
227 tt = RECT_TOP(target->frame->area);
228 tb = RECT_BOTTOM(target->frame->area);
231 /* horizontal snapping */
232 if (t < tb && b > tt) {
234 case OB_CORNER_TOPLEFT:
235 case OB_CORNER_BOTTOMLEFT:
237 drb = r + *w - c->frame->area.width;
238 if (r < tl && drb >= tl &&
240 *w = tl - l, snapx = target;
242 case OB_CORNER_TOPRIGHT:
243 case OB_CORNER_BOTTOMRIGHT:
244 dlt = l - *w + c->frame->area.width;
246 if (l > tr && dlt <= tr &&
248 *w = r - tr, snapx = target;
255 /* vertical snapping */
256 if (l < tr && r > tl) {
258 case OB_CORNER_TOPLEFT:
259 case OB_CORNER_TOPRIGHT:
261 drb = b + *h - c->frame->area.height;
262 if (b < tt && drb >= tt &&
264 *h = tt - t, snapy = target;
266 case OB_CORNER_BOTTOMLEFT:
267 case OB_CORNER_BOTTOMRIGHT:
268 dlt = t - *h + c->frame->area.height;
270 if (t > tb && dlt <= tb &&
272 *h = b - tb, snapy = target;
278 /* snapped both ways */
279 if (snapx && snapy) break;
283 void resist_size_monitors(ObClient *c, gint resist, gint *w, gint *h,
286 gint l, t, r, b; /* my left, top, right and bottom sides */
287 gint dlt, drb; /* my destination left/top and right/bottom sides */
289 gint al, at, ar, ab; /* screen boundaries */
290 gint pl, pt, pr, pb; /* physical screen boundaries */
297 l = RECT_LEFT(c->frame->area);
298 r = RECT_RIGHT(c->frame->area);
299 t = RECT_TOP(c->frame->area);
300 b = RECT_BOTTOM(c->frame->area);
302 incw = c->size_inc.width;
303 inch = c->size_inc.height;
305 RECT_SET(desired_area, c->area.x, c->area.y, *w, *h);
307 for (i = 0; i < screen_num_monitors; ++i) {
308 parea = screen_physical_area_monitor(i);
310 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area)) {
315 area = screen_area(c->desktop, SCREEN_AREA_ALL_MONITORS,
318 /* get the screen boundaries */
319 al = RECT_LEFT(*area);
320 at = RECT_TOP(*area);
321 ar = RECT_RIGHT(*area);
322 ab = RECT_BOTTOM(*area);
323 pl = RECT_LEFT(*parea);
324 pt = RECT_TOP(*parea);
325 pr = RECT_RIGHT(*parea);
326 pb = RECT_BOTTOM(*parea);
328 /* horizontal snapping */
330 case OB_CORNER_TOPLEFT:
331 case OB_CORNER_BOTTOMLEFT:
333 drb = r + *w - c->frame->area.width;
334 if (r <= ar && drb > ar && drb <= ar + resist)
336 else if (r <= pr && drb > pr && drb <= pr + resist)
339 case OB_CORNER_TOPRIGHT:
340 case OB_CORNER_BOTTOMRIGHT:
341 dlt = l - *w + c->frame->area.width;
343 if (l >= al && dlt < al && dlt >= al - resist)
345 else if (l >= pl && dlt < pl && dlt >= pl - resist)
350 /* vertical snapping */
352 case OB_CORNER_TOPLEFT:
353 case OB_CORNER_TOPRIGHT:
355 drb = b + *h - c->frame->area.height;
356 if (b <= ab && drb > ab && drb <= ab + resist)
358 else if (b <= pb && drb > pb && drb <= pb + resist)
361 case OB_CORNER_BOTTOMLEFT:
362 case OB_CORNER_BOTTOMRIGHT:
363 dlt = t - *h + c->frame->area.height;
365 if (t >= at && dlt < at && dlt >= at - resist)
367 else if (t >= pt && dlt < pt && dlt >= pt - resist)