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 *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;
37 w = c->frame->area.width;
38 h = c->frame->area.height;
45 cl = RECT_LEFT(c->frame->area);
46 ct = RECT_TOP(c->frame->area);
47 cr = RECT_RIGHT(c->frame->area);
48 cb = RECT_BOTTOM(c->frame->area);
50 if (config_resist_win)
51 for (it = stacking_list; it; it = g_list_next(it)) {
53 gint tl, tt, tr, tb; /* 1 past the target's edges on each side */
55 if (!WINDOW_IS_CLIENT(it->data))
59 /* don't snap to self or non-visibles */
60 if (!target->frame->visible || target == c) continue;
62 /* don't snap to windows in layers beneath */
63 if(target->layer < c->layer && !config_resist_layers_below)
66 tl = RECT_LEFT(target->frame->area) - 1;
67 tt = RECT_TOP(target->frame->area) - 1;
68 tr = RECT_RIGHT(target->frame->area) + 1;
69 tb = RECT_BOTTOM(target->frame->area) + 1;
71 /* snapx and snapy ensure that the window snaps to the top-most
72 window edge available, without going all the way from
73 bottom-to-top in the stacking list
76 if (ct < tb && cb > tt) {
77 if (cl >= tr && l < tr && l >= tr - config_resist_win)
78 *x = tr, snapx = target;
79 else if (cr <= tl && r > tl &&
80 r <= tl + config_resist_win)
81 *x = tl - w + 1, snapx = target;
83 /* try to corner snap to the window */
84 if (ct > tt && t <= tt &&
85 t > tt - config_resist_win)
86 *y = tt + 1, snapy = target;
87 else if (cb < tb && b >= tb &&
88 b < tb + config_resist_win)
89 *y = tb - h, snapy = target;
94 if (cl < tr && cr > tl) {
95 if (ct >= tb && t < tb && t >= tb - config_resist_win)
96 *y = tb, snapy = target;
97 else if (cb <= tt && b > tt &&
98 b <= tt + config_resist_win)
99 *y = tt - h + 1, snapy = target;
101 /* try to corner snap to the window */
102 if (cl > tl && l <= tl &&
103 l > tl - config_resist_win)
104 *x = tl + 1, snapx = target;
105 else if (cr < tr && r >= tr &&
106 r < tr + config_resist_win)
107 *x = tr - w, snapx = target;
112 if (snapx && snapy) break;
116 void resist_move_monitors(ObClient *c, gint *x, gint *y)
120 gint l, t, r, b; /* requested edges */
121 gint al, at, ar, ab; /* screen area edges */
122 gint pl, pt, pr, pb; /* physical screen area edges */
123 gint cl, ct, cr, cb; /* current edges */
124 gint w, h; /* current size */
126 w = c->frame->area.width;
127 h = c->frame->area.height;
134 cl = RECT_LEFT(c->frame->area);
135 ct = RECT_TOP(c->frame->area);
136 cr = RECT_RIGHT(c->frame->area);
137 cb = RECT_BOTTOM(c->frame->area);
139 if (config_resist_edge) {
140 for (i = 0; i < screen_num_monitors; ++i) {
141 area = screen_area_monitor(c->desktop, i);
142 parea = screen_physical_area_monitor(i);
144 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
147 al = RECT_LEFT(*area);
148 at = RECT_TOP(*area);
149 ar = RECT_RIGHT(*area);
150 ab = RECT_BOTTOM(*area);
151 pl = RECT_LEFT(*parea);
152 pt = RECT_TOP(*parea);
153 pr = RECT_RIGHT(*parea);
154 pb = RECT_BOTTOM(*parea);
156 if (cl >= al && l < al && l >= al - config_resist_edge)
158 else if (cr <= ar && r > ar && r <= ar + config_resist_edge)
160 else if (cl >= pl && l < pl && l >= pl - config_resist_edge)
162 else if (cr <= pr && r > pr && r <= pr + config_resist_edge)
165 if (ct >= at && t < at && t >= at - config_resist_edge)
167 else if (cb <= ab && b > ab && b < ab + config_resist_edge)
169 else if (ct >= pt && t < pt && t >= pt - config_resist_edge)
171 else if (cb <= pb && b > pb && b < pb + config_resist_edge)
177 void resist_size_windows(ObClient *c, gint *w, gint *h, ObCorner corn)
180 ObClient *target; /* target */
181 gint l, t, r, b; /* my left, top, right and bottom sides */
182 gint dlt, drb; /* my destination left/top and right/bottom sides */
183 gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
185 ObClient *snapx = NULL, *snapy = NULL;
187 incw = c->size_inc.width;
188 inch = c->size_inc.height;
190 l = RECT_LEFT(c->frame->area);
191 r = RECT_RIGHT(c->frame->area);
192 t = RECT_TOP(c->frame->area);
193 b = RECT_BOTTOM(c->frame->area);
195 if (config_resist_win) {
196 for (it = stacking_list; it; it = g_list_next(it)) {
197 if (!WINDOW_IS_CLIENT(it->data))
201 /* don't snap to invisibles or ourself */
202 if (!target->frame->visible || target == c) continue;
204 /* don't snap to windows in layers beneath */
205 if(target->layer < c->layer && !config_resist_layers_below)
208 tl = RECT_LEFT(target->frame->area);
209 tr = RECT_RIGHT(target->frame->area);
210 tt = RECT_TOP(target->frame->area);
211 tb = RECT_BOTTOM(target->frame->area);
214 /* horizontal snapping */
215 if (t < tb && b > tt) {
217 case OB_CORNER_TOPLEFT:
218 case OB_CORNER_BOTTOMLEFT:
220 drb = r + *w - c->frame->area.width;
221 if (r < tl && drb >= tl &&
222 drb < tl + config_resist_win)
223 *w = tl - l, snapx = target;
225 case OB_CORNER_TOPRIGHT:
226 case OB_CORNER_BOTTOMRIGHT:
227 dlt = l - *w + c->frame->area.width;
229 if (l > tr && dlt <= tr &&
230 dlt > tr - config_resist_win)
231 *w = r - tr, snapx = target;
238 /* vertical snapping */
239 if (l < tr && r > tl) {
241 case OB_CORNER_TOPLEFT:
242 case OB_CORNER_TOPRIGHT:
244 drb = b + *h - c->frame->area.height;
245 if (b < tt && drb >= tt &&
246 drb < tt + config_resist_win)
247 *h = tt - t, snapy = target;
249 case OB_CORNER_BOTTOMLEFT:
250 case OB_CORNER_BOTTOMRIGHT:
251 dlt = t - *h + c->frame->area.height;
253 if (t > tb && dlt <= tb &&
254 dlt > tb - config_resist_win)
255 *h = b - tb, snapy = target;
261 /* snapped both ways */
262 if (snapx && snapy) break;
267 void resist_size_monitors(ObClient *c, gint *w, gint *h, ObCorner corn)
269 gint l, t, r, b; /* my left, top, right and bottom sides */
270 gint dlt, drb; /* my destination left/top and right/bottom sides */
272 gint al, at, ar, ab; /* screen boundaries */
273 gint pl, pt, pr, pb; /* physical screen boundaries */
277 l = RECT_LEFT(c->frame->area);
278 r = RECT_RIGHT(c->frame->area);
279 t = RECT_TOP(c->frame->area);
280 b = RECT_BOTTOM(c->frame->area);
282 incw = c->size_inc.width;
283 inch = c->size_inc.height;
285 for (i = 0; i < screen_num_monitors; ++i) {
286 area = screen_area_monitor(c->desktop, i);
287 parea = screen_physical_area_monitor(i);
289 if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
292 /* get the screen boundaries */
293 al = RECT_LEFT(*area);
294 at = RECT_TOP(*area);
295 ar = RECT_RIGHT(*area);
296 ab = RECT_BOTTOM(*area);
297 pl = RECT_LEFT(*parea);
298 pt = RECT_TOP(*parea);
299 pr = RECT_RIGHT(*parea);
300 pb = RECT_BOTTOM(*parea);
302 if (config_resist_edge) {
303 /* horizontal snapping */
305 case OB_CORNER_TOPLEFT:
306 case OB_CORNER_BOTTOMLEFT:
308 drb = r + *w - c->frame->area.width;
309 if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
311 else if (r <= pr && drb > pr && drb <= pr + config_resist_edge)
314 case OB_CORNER_TOPRIGHT:
315 case OB_CORNER_BOTTOMRIGHT:
316 dlt = l - *w + c->frame->area.width;
318 if (l >= al && dlt < al && dlt >= al - config_resist_edge)
320 else if (l >= pl && dlt < pl && dlt >= pl - config_resist_edge)
325 /* vertical snapping */
327 case OB_CORNER_TOPLEFT:
328 case OB_CORNER_TOPRIGHT:
330 drb = b + *h - c->frame->area.height;
331 if (b <= ab && drb > ab && drb <= ab + config_resist_edge)
333 else if (b <= pb && drb > pb && drb <= pb + config_resist_edge)
336 case OB_CORNER_BOTTOMLEFT:
337 case OB_CORNER_BOTTOMRIGHT:
338 dlt = t - *h + c->frame->area.height;
340 if (t >= at && dlt < at && dlt >= at - config_resist_edge)
342 else if (t >= pt && dlt < pt && dlt >= pt - config_resist_edge)