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 /* don't snap to windows in layers beneath */
66 if(target->layer < c->layer && !config_resist_layers_below)
69 tl = RECT_LEFT(target->frame->area) - 1;
70 tt = RECT_TOP(target->frame->area) - 1;
71 tr = RECT_RIGHT(target->frame->area) + 1;
72 tb = RECT_BOTTOM(target->frame->area) + 1;
74 /* snapx and snapy ensure that the window snaps to the top-most
75 window edge available, without going all the way from
76 bottom-to-top in the stacking list
79 if (ct < tb && cb > tt) {
80 if (cl >= tr && l < tr && l >= tr - resist)
81 *x = tr, snapx = target;
82 else if (cr <= tl && r > tl &&
84 *x = tl - w + 1, snapx = target;
86 /* try to corner snap to the window */
87 if (ct > tt && t <= tt &&
89 *y = tt + 1, snapy = target;
90 else if (cb < tb && b >= tb &&
92 *y = tb - h, snapy = target;
97 if (cl < tr && cr > tl) {
98 if (ct >= tb && t < tb && t >= tb - resist)
99 *y = tb, snapy = target;
100 else if (cb <= tt && b > tt &&
102 *y = tt - h + 1, snapy = target;
104 /* try to corner snap to the window */
105 if (cl > tl && l <= tl &&
107 *x = tl + 1, snapx = target;
108 else if (cr < tr && r >= tr &&
110 *x = tr - w, snapx = target;
115 if (snapx && snapy) break;
118 frame_frame_gravity(c->frame, x, y, c->area.width, c->area.height);
121 void resist_move_monitors(ObClient *c, gint resist, gint *x, gint *y)
125 gint l, t, r, b; /* requested edges */
126 gint al, at, ar, ab; /* screen area edges */
127 gint pl, pt, pr, pb; /* physical screen area edges */
128 gint cl, ct, cr, cb; /* current edges */
129 gint w, h; /* current size */
133 frame_client_gravity(c->frame, x, y, c->area.width, c->area.height);
135 w = c->frame->area.width;
136 h = c->frame->area.height;
143 cl = RECT_LEFT(c->frame->area);
144 ct = RECT_TOP(c->frame->area);
145 cr = RECT_RIGHT(c->frame->area);
146 cb = RECT_BOTTOM(c->frame->area);
148 for (i = 0; i < screen_num_monitors; ++i) {
149 area = screen_area_monitor(c->desktop, i);
150 parea = screen_physical_area_monitor(i);
152 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
155 al = RECT_LEFT(*area);
156 at = RECT_TOP(*area);
157 ar = RECT_RIGHT(*area);
158 ab = RECT_BOTTOM(*area);
159 pl = RECT_LEFT(*parea);
160 pt = RECT_TOP(*parea);
161 pr = RECT_RIGHT(*parea);
162 pb = RECT_BOTTOM(*parea);
164 if (cl >= al && l < al && l >= al - resist)
166 else if (cr <= ar && r > ar && r <= ar + resist)
168 else if (cl >= pl && l < pl && l >= pl - resist)
170 else if (cr <= pr && r > pr && r <= pr + resist)
173 if (ct >= at && t < at && t >= at - resist)
175 else if (cb <= ab && b > ab && b < ab + resist)
177 else if (ct >= pt && t < pt && t >= pt - resist)
179 else if (cb <= pb && b > pb && b < pb + resist)
183 frame_frame_gravity(c->frame, x, y, c->area.width, c->area.height);
186 void resist_size_windows(ObClient *c, gint resist, gint *w, gint *h,
190 ObClient *target; /* target */
191 gint l, t, r, b; /* my left, top, right and bottom sides */
192 gint dlt, drb; /* my destination left/top and right/bottom sides */
193 gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
195 ObClient *snapx = NULL, *snapy = NULL;
199 incw = c->size_inc.width;
200 inch = c->size_inc.height;
202 l = RECT_LEFT(c->frame->area);
203 r = RECT_RIGHT(c->frame->area);
204 t = RECT_TOP(c->frame->area);
205 b = RECT_BOTTOM(c->frame->area);
207 for (it = stacking_list; it; it = g_list_next(it)) {
208 if (!WINDOW_IS_CLIENT(it->data))
212 /* don't snap to invisibles or ourself */
213 if (!target->frame->visible || target == c) continue;
215 /* don't snap to windows in layers beneath */
216 if(target->layer < c->layer && !config_resist_layers_below)
219 tl = RECT_LEFT(target->frame->area);
220 tr = RECT_RIGHT(target->frame->area);
221 tt = RECT_TOP(target->frame->area);
222 tb = RECT_BOTTOM(target->frame->area);
225 /* horizontal snapping */
226 if (t < tb && b > tt) {
228 case OB_CORNER_TOPLEFT:
229 case OB_CORNER_BOTTOMLEFT:
231 drb = r + *w - c->frame->area.width;
232 if (r < tl && drb >= tl &&
234 *w = tl - l, snapx = target;
236 case OB_CORNER_TOPRIGHT:
237 case OB_CORNER_BOTTOMRIGHT:
238 dlt = l - *w + c->frame->area.width;
240 if (l > tr && dlt <= tr &&
242 *w = r - tr, snapx = target;
249 /* vertical snapping */
250 if (l < tr && r > tl) {
252 case OB_CORNER_TOPLEFT:
253 case OB_CORNER_TOPRIGHT:
255 drb = b + *h - c->frame->area.height;
256 if (b < tt && drb >= tt &&
258 *h = tt - t, snapy = target;
260 case OB_CORNER_BOTTOMLEFT:
261 case OB_CORNER_BOTTOMRIGHT:
262 dlt = t - *h + c->frame->area.height;
264 if (t > tb && dlt <= tb &&
266 *h = b - tb, snapy = target;
272 /* snapped both ways */
273 if (snapx && snapy) break;
277 void resist_size_monitors(ObClient *c, gint resist, gint *w, gint *h,
280 gint l, t, r, b; /* my left, top, right and bottom sides */
281 gint dlt, drb; /* my destination left/top and right/bottom sides */
283 gint al, at, ar, ab; /* screen boundaries */
284 gint pl, pt, pr, pb; /* physical screen boundaries */
290 l = RECT_LEFT(c->frame->area);
291 r = RECT_RIGHT(c->frame->area);
292 t = RECT_TOP(c->frame->area);
293 b = RECT_BOTTOM(c->frame->area);
295 incw = c->size_inc.width;
296 inch = c->size_inc.height;
298 for (i = 0; i < screen_num_monitors; ++i) {
299 area = screen_area_monitor(c->desktop, i);
300 parea = screen_physical_area_monitor(i);
302 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
305 /* get the screen boundaries */
306 al = RECT_LEFT(*area);
307 at = RECT_TOP(*area);
308 ar = RECT_RIGHT(*area);
309 ab = RECT_BOTTOM(*area);
310 pl = RECT_LEFT(*parea);
311 pt = RECT_TOP(*parea);
312 pr = RECT_RIGHT(*parea);
313 pb = RECT_BOTTOM(*parea);
315 /* horizontal snapping */
317 case OB_CORNER_TOPLEFT:
318 case OB_CORNER_BOTTOMLEFT:
320 drb = r + *w - c->frame->area.width;
321 if (r <= ar && drb > ar && drb <= ar + resist)
323 else if (r <= pr && drb > pr && drb <= pr + resist)
326 case OB_CORNER_TOPRIGHT:
327 case OB_CORNER_BOTTOMRIGHT:
328 dlt = l - *w + c->frame->area.width;
330 if (l >= al && dlt < al && dlt >= al - resist)
332 else if (l >= pl && dlt < pl && dlt >= pl - resist)
337 /* vertical snapping */
339 case OB_CORNER_TOPLEFT:
340 case OB_CORNER_TOPRIGHT:
342 drb = b + *h - c->frame->area.height;
343 if (b <= ab && drb > ab && drb <= ab + resist)
345 else if (b <= pb && drb > pb && drb <= pb + resist)
348 case OB_CORNER_BOTTOMLEFT:
349 case OB_CORNER_BOTTOMRIGHT:
350 dlt = t - *h + c->frame->area.height;
352 if (t >= at && dlt < at && dlt >= at - resist)
354 else if (t >= pt && dlt < pt && dlt >= pt - resist)