openbox/resist.c (raw)
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#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_windows(ObClient *c, gint *x, gint *y)
{
GList *it;
gint l, t, r, b; /* requested 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;
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;
}
}
void resist_move_monitors(ObClient *c, gint *x, gint *y)
{
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 */
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;
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;
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_windows(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*/
gint incw, inch;
ObClient *snapx = NULL, *snapy = NULL;
incw = c->size_inc.width;
inch = c->size_inc.height;
l = c->frame->area.x;
r = l + c->frame->area.width - 1;
t = c->frame->area.y;
b = t + c->frame->area.height - 1;
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;
}
}
}
void resist_size_monitors(ObClient *c, gint *w, gint *h, ObCorner corn)
{
gint l, t, r, b; /* my left, top, right and bottom sides */
gint dlt, drb; /* my destination left/top and right/bottom sides */
Rect *area;
gint al, at, ar, ab; /* screen boundaries */
gint incw, inch;
l = c->frame->area.x;
r = l + c->frame->area.width - 1;
t = c->frame->area.y;
b = t + c->frame->area.height - 1;
incw = c->size_inc.width;
inch = c->size_inc.height;
/* 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;
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;
}
}
}
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