1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
#include "client.h"
#include "frame.h"
#include "stacking.h"
#include "screen.h"
#include "config.h"
#include "parser/parse.h"
#include <glib.h>
void resist_move(ObClient *c, gint *x, gint *y)
{
GList *it;
Rect *area;
guint i;
gint l, t, r, b; /* requested edges */
gint al, at, ar, ab; /* screen area edges */
gint cl, ct, cr, cb; /* current edges */
gint w, h; /* current size */
ObClient *snapx = NULL, *snapy = NULL;
w = c->frame->area.width;
h = c->frame->area.height;
l = *x;
t = *y;
r = l + w - 1;
b = t + h - 1;
cl = c->frame->area.x;
ct = c->frame->area.y;
cr = cl + c->frame->area.width - 1;
cb = ct + c->frame->area.height - 1;
/* snap to other clients */
if (config_resist_win)
for (it = stacking_list; it != NULL; it = it->next) {
ObClient *target;
int tl, tt, tr, tb; /* 1 past the target's edges on each side */
if (!WINDOW_IS_CLIENT(it->data))
continue;
target = it->data;
/* don't snap to self or non-visibles */
if (!target->frame->visible || target == c) continue;
tl = target->frame->area.x - 1;
tt = target->frame->area.y - 1;
tr = tl + target->frame->area.width + 1;
tb = tt + target->frame->area.height + 1;
/* snapx and snapy ensure that the window snaps to the top-most
window edge available, without going all the way from
bottom-to-top in the stacking list
*/
if (snapx == NULL) {
if (ct < tb && cb > tt) {
if (cl >= tr && l < tr && l >= tr - config_resist_win)
*x = tr, snapx = target;
else if (cr <= tl && r > tl &&
r <= tl + config_resist_win)
*x = tl - w + 1, snapx = target;
if (snapx != NULL) {
/* try to corner snap to the window */
if (ct > tt && t <= tt &&
t > tt - config_resist_win)
*y = tt + 1, snapy = target;
else if (cb < tb && b >= tb &&
b < tb + config_resist_win)
*y = tb - h, snapy = target;
}
}
}
if (snapy == NULL) {
if (cl < tr && cr > tl) {
if (ct >= tb && t < tb && t >= tb - config_resist_win)
*y = tb, snapy = target;
else if (cb <= tt && b > tt &&
b <= tt + config_resist_win)
*y = tt - h + 1, snapy = target;
if (snapy != NULL) {
/* try to corner snap to the window */
if (cl > tl && l <= tl &&
l > tl - config_resist_win)
*x = tl + 1, snapx = target;
else if (cr < tr && r >= tr &&
r < tr + config_resist_win)
*x = tr - w, snapx = target;
}
}
}
if (snapx && snapy) break;
}
/* get the screen boundaries */
if (config_resist_edge) {
for (i = 0; i < screen_num_monitors; ++i) {
area = screen_area_monitor(c->desktop, i);
if (!RECT_INTERSECTS_RECT(*area, c->frame->area))
continue;
al = area->x;
at = area->y;
ar = al + area->width - 1;
ab = at + area->height - 1;
/* snap to screen edges */
if (cl >= al && l < al && l >= al - config_resist_edge)
*x = al;
else if (cr <= ar && r > ar && r <= ar + config_resist_edge)
*x = ar - w + 1;
if (ct >= at && t < at && t >= at - config_resist_edge)
*y = at;
else if (cb <= ab && b > ab && b < ab + config_resist_edge)
*y = ab - h + 1;
}
}
}
void resist_size(ObClient *c, gint *w, gint *h, ObCorner corn)
{
GList *it;
ObClient *target; /* target */
gint l, t, r, b; /* my left, top, right and bottom sides */
gint dlt, drb; /* my destination left/top and right/bottom sides */
gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
Rect *area;
gint al, at, ar, ab; /* screen boundaries */
ObClient *snapx = NULL, *snapy = NULL;
/* don't snap windows with size increments */
if (c->size_inc.width > 1 || c->size_inc.height > 1)
return;
l = c->frame->area.x;
r = l + c->frame->area.width - 1;
t = c->frame->area.y;
b = t + c->frame->area.height - 1;
/* get the screen boundaries */
area = screen_area(c->desktop);
al = area->x;
at = area->y;
ar = al + area->width - 1;
ab = at + area->height - 1;
/* snap to other windows */
if (config_resist_win) {
for (it = stacking_list; it != NULL; it = it->next) {
if (!WINDOW_IS_CLIENT(it->data))
continue;
target = it->data;
/* don't snap to invisibles or ourself */
if (!target->frame->visible || target == c) continue;
tl = target->frame->area.x;
tr = target->frame->area.x + target->frame->area.width - 1;
tt = target->frame->area.y;
tb = target->frame->area.y + target->frame->area.height - 1;
if (snapx == NULL) {
/* horizontal snapping */
if (t < tb && b > tt) {
switch (corn) {
case OB_CORNER_TOPLEFT:
case OB_CORNER_BOTTOMLEFT:
dlt = l;
drb = r + *w - c->frame->area.width;
if (r < tl && drb >= tl &&
drb < tl + config_resist_win)
*w = tl - l, snapx = target;
break;
case OB_CORNER_TOPRIGHT:
case OB_CORNER_BOTTOMRIGHT:
dlt = l - *w + c->frame->area.width;
drb = r;
if (l > tr && dlt <= tr &&
dlt > tr - config_resist_win)
*w = r - tr, snapx = target;
break;
}
}
}
if (snapy == NULL) {
/* vertical snapping */
if (l < tr && r > tl) {
switch (corn) {
case OB_CORNER_TOPLEFT:
case OB_CORNER_TOPRIGHT:
dlt = t;
drb = b + *h - c->frame->area.height;
if (b < tt && drb >= tt &&
drb < tt + config_resist_win)
*h = tt - t, snapy = target;
break;
case OB_CORNER_BOTTOMLEFT:
case OB_CORNER_BOTTOMRIGHT:
dlt = t - *h + c->frame->area.height;
drb = b;
if (t > tb && dlt <= tb &&
dlt > tb - config_resist_win)
*h = b - tb, snapy = target;
break;
}
}
}
/* snapped both ways */
if (snapx && snapy) break;
}
}
/* snap to screen edges */
if (config_resist_edge) {
/* horizontal snapping */
switch (corn) {
case OB_CORNER_TOPLEFT:
case OB_CORNER_BOTTOMLEFT:
dlt = l;
drb = r + *w - c->frame->area.width;
if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
*w = ar - l + 1;
break;
case OB_CORNER_TOPRIGHT:
case OB_CORNER_BOTTOMRIGHT:
dlt = l - *w + c->frame->area.width;
drb = r;
if (l >= al && dlt < al && dlt >= al - config_resist_edge)
*w = r - al + 1;
break;
}
/* vertical snapping */
switch (corn) {
case OB_CORNER_TOPLEFT:
case OB_CORNER_TOPRIGHT:
dlt = t;
drb = b + *h - c->frame->area.height;
if (b <= ab && drb > ab && drb <= ab + config_resist_edge)
*h = ab - t + 1;
break;
case OB_CORNER_BOTTOMLEFT:
case OB_CORNER_BOTTOMRIGHT:
dlt = t - *h + c->frame->area.height;
drb = b;
if (t >= at && dlt < at && dlt >= at - config_resist_edge)
*h = b - at + 1;
break;
}
}
}
|
