6 #include "parser/parse.h"
10 void resist_move(ObClient *c, gint *x, gint *y)
15 gint l, t, r, b; /* requested edges */
16 gint al, at, ar, ab; /* screen area edges */
17 gint cl, ct, cr, cb; /* current edges */
18 gint w, h; /* current size */
19 ObClient *snapx = NULL, *snapy = NULL;
21 w = c->frame->area.width;
22 h = c->frame->area.height;
29 cl = c->frame->area.x;
30 ct = c->frame->area.y;
31 cr = cl + c->frame->area.width - 1;
32 cb = ct + c->frame->area.height - 1;
34 /* snap to other clients */
35 if (config_resist_win)
36 for (it = stacking_list; it != NULL; it = it->next) {
38 int tl, tt, tr, tb; /* 1 past the target's edges on each side */
40 if (!WINDOW_IS_CLIENT(it->data))
43 /* don't snap to self or non-visibles */
44 if (!target->frame->visible || target == c) continue;
46 tl = target->frame->area.x - 1;
47 tt = target->frame->area.y - 1;
48 tr = tl + target->frame->area.width + 1;
49 tb = tt + target->frame->area.height + 1;
51 /* snapx and snapy ensure that the window snaps to the top-most
52 window edge available, without going all the way from
53 bottom-to-top in the stacking list
56 if (ct < tb && cb > tt) {
57 if (cl >= tr && l < tr && l >= tr - config_resist_win)
58 *x = tr, snapx = target;
59 else if (cr <= tl && r > tl &&
60 r <= tl + config_resist_win)
61 *x = tl - w + 1, snapx = target;
63 /* try to corner snap to the window */
64 if (ct > tt && t <= tt &&
65 t > tt - config_resist_win)
66 *y = tt + 1, snapy = target;
67 else if (cb < tb && b >= tb &&
68 b < tb + config_resist_win)
69 *y = tb - h, snapy = target;
74 if (cl < tr && cr > tl) {
75 if (ct >= tb && t < tb && t >= tb - config_resist_win)
76 *y = tb, snapy = target;
77 else if (cb <= tt && b > tt &&
78 b <= tt + config_resist_win)
79 *y = tt - h + 1, snapy = target;
81 /* try to corner snap to the window */
82 if (cl > tl && l <= tl &&
83 l > tl - config_resist_win)
84 *x = tl + 1, snapx = target;
85 else if (cr < tr && r >= tr &&
86 r < tr + config_resist_win)
87 *x = tr - w, snapx = target;
92 if (snapx && snapy) break;
95 /* get the screen boundaries */
96 if (config_resist_edge) {
97 for (i = 0; i < screen_num_monitors; ++i) {
98 area = screen_area_monitor(c->desktop, i);
100 if (!RECT_INTERSECTS_RECT(*area, c->frame->area))
105 ar = al + area->width - 1;
106 ab = at + area->height - 1;
108 /* snap to screen edges */
109 if (cl >= al && l < al && l >= al - config_resist_edge)
111 else if (cr <= ar && r > ar && r <= ar + config_resist_edge)
113 if (ct >= at && t < at && t >= at - config_resist_edge)
115 else if (cb <= ab && b > ab && b < ab + config_resist_edge)
121 void resist_size(ObClient *c, gint *w, gint *h, ObCorner corn)
124 ObClient *target; /* target */
125 gint l, t, r, b; /* my left, top, right and bottom sides */
126 gint dlt, drb; /* my destination left/top and right/bottom sides */
127 gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
129 gint al, at, ar, ab; /* screen boundaries */
130 ObClient *snapx = NULL, *snapy = NULL;
132 /* don't snap windows with size increments */
133 if (c->size_inc.width > 1 || c->size_inc.height > 1)
136 l = c->frame->area.x;
137 r = l + c->frame->area.width - 1;
138 t = c->frame->area.y;
139 b = t + c->frame->area.height - 1;
141 /* get the screen boundaries */
142 area = screen_area(c->desktop);
145 ar = al + area->width - 1;
146 ab = at + area->height - 1;
148 /* snap to other windows */
149 if (config_resist_win) {
150 for (it = stacking_list; it != NULL; it = it->next) {
151 if (!WINDOW_IS_CLIENT(it->data))
155 /* don't snap to invisibles or ourself */
156 if (!target->frame->visible || target == c) continue;
158 tl = target->frame->area.x;
159 tr = target->frame->area.x + target->frame->area.width - 1;
160 tt = target->frame->area.y;
161 tb = target->frame->area.y + target->frame->area.height - 1;
164 /* horizontal snapping */
165 if (t < tb && b > tt) {
167 case OB_CORNER_TOPLEFT:
168 case OB_CORNER_BOTTOMLEFT:
170 drb = r + *w - c->frame->area.width;
171 if (r < tl && drb >= tl &&
172 drb < tl + config_resist_win)
173 *w = tl - l, snapx = target;
175 case OB_CORNER_TOPRIGHT:
176 case OB_CORNER_BOTTOMRIGHT:
177 dlt = l - *w + c->frame->area.width;
179 if (l > tr && dlt <= tr &&
180 dlt > tr - config_resist_win)
181 *w = r - tr, snapx = target;
188 /* vertical snapping */
189 if (l < tr && r > tl) {
191 case OB_CORNER_TOPLEFT:
192 case OB_CORNER_TOPRIGHT:
194 drb = b + *h - c->frame->area.height;
195 if (b < tt && drb >= tt &&
196 drb < tt + config_resist_win)
197 *h = tt - t, snapy = target;
199 case OB_CORNER_BOTTOMLEFT:
200 case OB_CORNER_BOTTOMRIGHT:
201 dlt = t - *h + c->frame->area.height;
203 if (t > tb && dlt <= tb &&
204 dlt > tb - config_resist_win)
205 *h = b - tb, snapy = target;
211 /* snapped both ways */
212 if (snapx && snapy) break;
216 /* snap to screen edges */
218 if (config_resist_edge) {
219 /* horizontal snapping */
221 case OB_CORNER_TOPLEFT:
222 case OB_CORNER_BOTTOMLEFT:
224 drb = r + *w - c->frame->area.width;
225 if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
228 case OB_CORNER_TOPRIGHT:
229 case OB_CORNER_BOTTOMRIGHT:
230 dlt = l - *w + c->frame->area.width;
232 if (l >= al && dlt < al && dlt >= al - config_resist_edge)
237 /* vertical snapping */
239 case OB_CORNER_TOPLEFT:
240 case OB_CORNER_TOPRIGHT:
242 drb = b + *h - c->frame->area.height;
243 if (b <= ab && drb > ab && drb <= ab + config_resist_edge)
246 case OB_CORNER_BOTTOMLEFT:
247 case OB_CORNER_BOTTOMRIGHT:
248 dlt = t - *h + c->frame->area.height;
250 if (t >= at && dlt < at && dlt >= at - config_resist_edge)