]>
Dogcows Code - chaz/openbox/blob - plugins/resistance.c
1 #include "kernel/dispatch.h"
2 #include "kernel/client.h"
3 #include "kernel/frame.h"
4 #include "kernel/parse.h"
5 #include "kernel/stacking.h"
6 #include "kernel/screen.h"
10 static gboolean resist_windows
;
12 static void parse_xml(xmlDocPtr doc
, xmlNodePtr node
, void *d
)
16 if ((n
= parse_find_node("strength", node
)))
17 resistance
= parse_int(doc
, n
);
18 if ((n
= parse_find_node("windows", node
)))
19 resist_windows
= parse_bool(doc
, n
);
22 void plugin_setup_config()
25 resist_windows
= TRUE
;
27 parse_register("resistance", parse_xml
, NULL
);
30 static void resist_move(Client
*c
, int *x
, int *y
)
34 int l
, t
, r
, b
; /* requested edges */
35 int al
, at
, ar
, ab
; /* screen area edges */
36 int cl
, ct
, cr
, cb
; /* current edges */
37 int w
, h
; /* current size */
38 Client
*snapx
= NULL
, *snapy
= NULL
;
40 w
= c
->frame
->area
.width
;
41 h
= c
->frame
->area
.height
;
48 cl
= c
->frame
->area
.x
;
49 ct
= c
->frame
->area
.y
;
50 cr
= cl
+ c
->frame
->area
.width
- 1;
51 cb
= ct
+ c
->frame
->area
.height
- 1;
53 /* snap to other clients */
55 for (it
= stacking_list
; it
!= NULL
; it
= it
->next
) {
57 int tl
, tt
, tr
, tb
; /* 1 past the target's edges on each side */
59 if (!WINDOW_IS_CLIENT(it
->data
))
62 /* don't snap to self or non-visibles */
63 if (!target
->frame
->visible
|| target
== c
) continue;
65 tl
= target
->frame
->area
.x
- 1;
66 tt
= target
->frame
->area
.y
- 1;
67 tr
= tl
+ target
->frame
->area
.width
+ 1;
68 tb
= tt
+ target
->frame
->area
.height
+ 1;
70 /* snapx and snapy ensure that the window snaps to the top-most
71 window edge available, without going all the way from
72 bottom-to-top in the stacking list
75 if (ct
< tb
&& cb
> tt
) {
76 if (cl
>= tr
&& l
< tr
&& l
>= tr
- resistance
)
77 *x
= tr
, snapx
= target
;
78 else if (cr
<= tl
&& r
> tl
&& r
<= tl
+ resistance
)
79 *x
= tl
- w
+ 1, snapx
= target
;
81 /* try to corner snap to the window */
82 if (ct
> tt
&& t
<= tt
&& t
> tt
- resistance
)
83 *y
= tt
+ 1, snapy
= target
;
84 else if (cb
< tb
&& b
>= tb
&& b
< tb
+ resistance
)
85 *y
= tb
- h
, snapy
= target
;
90 if (cl
< tr
&& cr
> tl
) {
91 if (ct
>= tb
&& t
< tb
&& t
>= tb
- resistance
)
92 *y
= tb
, snapy
= target
;
93 else if (cb
<= tt
&& b
> tt
&& b
<= tt
+ resistance
)
94 *y
= tt
- h
+ 1, snapy
= target
;
96 /* try to corner snap to the window */
97 if (cl
> tl
&& l
<= tl
&& l
> tl
- resistance
)
98 *x
= tl
+ 1, snapx
= target
;
99 else if (cr
< tr
&& r
>= tr
&& r
< tr
+ resistance
)
100 *x
= tr
- w
, snapx
= target
;
105 if (snapx
&& snapy
) break;
108 /* get the screen boundaries */
109 area
= screen_area(c
->desktop
);
112 ar
= al
+ area
->width
- 1;
113 ab
= at
+ area
->height
- 1;
115 /* snap to screen edges */
116 if (cl
>= al
&& l
< al
&& l
>= al
- resistance
)
118 else if (cr
<= ar
&& r
> ar
&& r
<= ar
+ resistance
)
120 if (ct
>= at
&& t
< at
&& t
>= at
- resistance
)
122 else if (cb
<= ab
&& b
> ab
&& b
< ab
+ resistance
)
126 static void resist_size(Client
*c
, int *w
, int *h
, Corner corn
)
129 Client
*target
; /* target */
130 int l
, t
, r
, b
; /* my left, top, right and bottom sides */
131 int dlt
, drb
; /* my destination left/top and right/bottom sides */
132 int tl
, tt
, tr
, tb
; /* target's left, top, right and bottom bottom sides */
134 int al
, at
, ar
, ab
; /* screen boundaries */
135 Client
*snapx
= NULL
, *snapy
= NULL
;
137 /* don't snap windows with size increments */
138 if (c
->size_inc
.width
> 1 || c
->size_inc
.height
> 1)
141 l
= c
->frame
->area
.x
;
142 r
= l
+ c
->frame
->area
.width
- 1;
143 t
= c
->frame
->area
.y
;
144 b
= t
+ c
->frame
->area
.height
- 1;
146 /* get the screen boundaries */
147 area
= screen_area(c
->desktop
);
150 ar
= al
+ area
->width
- 1;
151 ab
= at
+ area
->height
- 1;
153 /* snap to other windows */
154 if (resist_windows
) {
155 for (it
= stacking_list
; it
!= NULL
; it
= it
->next
) {
156 if (!WINDOW_IS_CLIENT(it
->data
))
160 /* don't snap to invisibles or ourself */
161 if (!target
->frame
->visible
|| target
== c
) continue;
163 tl
= target
->frame
->area
.x
;
164 tr
= target
->frame
->area
.x
+ target
->frame
->area
.width
- 1;
165 tt
= target
->frame
->area
.y
;
166 tb
= target
->frame
->area
.y
+ target
->frame
->area
.height
- 1;
169 /* horizontal snapping */
170 if (t
< tb
&& b
> tt
) {
173 case Corner_BottomLeft
:
175 drb
= r
+ *w
- c
->frame
->area
.width
;
176 if (r
< tl
&& drb
>= tl
&& drb
< tl
+ resistance
)
177 *w
= tl
- l
, snapx
= target
;
179 case Corner_TopRight
:
180 case Corner_BottomRight
:
181 dlt
= l
- *w
+ c
->frame
->area
.width
;
183 if (l
> tr
&& dlt
<= tr
&& dlt
> tr
- resistance
)
184 *w
= r
- tr
, snapx
= target
;
191 /* vertical snapping */
192 if (l
< tr
&& r
> tl
) {
195 case Corner_TopRight
:
197 drb
= b
+ *h
- c
->frame
->area
.height
;
198 if (b
< tt
&& drb
>= tt
&& drb
< tt
+ resistance
)
199 *h
= tt
- t
, snapy
= target
;
201 case Corner_BottomLeft
:
202 case Corner_BottomRight
:
203 dlt
= t
- *h
+ c
->frame
->area
.height
;
205 if (t
> tb
&& dlt
<= tb
&& dlt
> tb
- resistance
)
206 *h
= b
- tb
, snapy
= target
;
212 /* snapped both ways */
213 if (snapx
&& snapy
) break;
217 /* snap to screen edges */
219 /* horizontal snapping */
222 case Corner_BottomLeft
:
224 drb
= r
+ *w
- c
->frame
->area
.width
;
225 if (r
<= ar
&& drb
> ar
&& drb
<= ar
+ resistance
)
228 case Corner_TopRight
:
229 case Corner_BottomRight
:
230 dlt
= l
- *w
+ c
->frame
->area
.width
;
232 if (l
>= al
&& dlt
< al
&& dlt
>= al
- resistance
)
237 /* vertical snapping */
240 case Corner_TopRight
:
242 drb
= b
+ *h
- c
->frame
->area
.height
;
243 if (b
<= ab
&& drb
> ab
&& drb
<= ab
+ resistance
)
246 case Corner_BottomLeft
:
247 case Corner_BottomRight
:
248 dlt
= t
- *h
+ c
->frame
->area
.height
;
250 if (t
>= at
&& dlt
< at
&& dlt
>= at
- resistance
)
256 static void event(ObEvent
*e
, void *foo
)
258 if (e
->type
== Event_Client_Moving
)
259 resist_move(e
->data
.c
.client
, &e
->data
.c
.num
[0], &e
->data
.c
.num
[1]);
260 else if (e
->type
== Event_Client_Resizing
)
261 resist_size(e
->data
.c
.client
, &e
->data
.c
.num
[0], &e
->data
.c
.num
[1],
265 void plugin_startup()
267 dispatch_register(Event_Client_Moving
| Event_Client_Resizing
,
268 (EventHandler
)event
, NULL
);
271 void plugin_shutdown()
273 dispatch_register(0, (EventHandler
)event
, NULL
);
This page took 0.048535 seconds and 4 git commands to generate.