284 lines
9.4 KiB
C
284 lines
9.4 KiB
C
#include "client.h"
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#include "frame.h"
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#include "stacking.h"
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#include "screen.h"
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#include "config.h"
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#include "parser/parse.h"
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#include <glib.h>
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void resist_move_windows(ObClient *c, gint *x, gint *y)
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{
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GList *it;
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gint l, t, r, b; /* requested edges */
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gint cl, ct, cr, cb; /* current edges */
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gint w, h; /* current size */
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ObClient *snapx = NULL, *snapy = NULL;
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w = c->frame->area.width;
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h = c->frame->area.height;
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l = *x;
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t = *y;
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r = l + w - 1;
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b = t + h - 1;
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cl = c->frame->area.x;
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ct = c->frame->area.y;
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cr = cl + c->frame->area.width - 1;
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cb = ct + c->frame->area.height - 1;
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if (config_resist_win)
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for (it = stacking_list; it != NULL; it = it->next) {
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ObClient *target;
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int tl, tt, tr, tb; /* 1 past the target's edges on each side */
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if (!WINDOW_IS_CLIENT(it->data))
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continue;
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target = it->data;
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/* don't snap to self or non-visibles */
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if (!target->frame->visible || target == c) continue;
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tl = target->frame->area.x - 1;
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tt = target->frame->area.y - 1;
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tr = tl + target->frame->area.width + 1;
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tb = tt + target->frame->area.height + 1;
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/* snapx and snapy ensure that the window snaps to the top-most
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window edge available, without going all the way from
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bottom-to-top in the stacking list
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*/
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if (snapx == NULL) {
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if (ct < tb && cb > tt) {
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if (cl >= tr && l < tr && l >= tr - config_resist_win)
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*x = tr, snapx = target;
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else if (cr <= tl && r > tl &&
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r <= tl + config_resist_win)
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*x = tl - w + 1, snapx = target;
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if (snapx != NULL) {
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/* try to corner snap to the window */
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if (ct > tt && t <= tt &&
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t > tt - config_resist_win)
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*y = tt + 1, snapy = target;
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else if (cb < tb && b >= tb &&
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b < tb + config_resist_win)
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*y = tb - h, snapy = target;
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}
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}
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}
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if (snapy == NULL) {
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if (cl < tr && cr > tl) {
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if (ct >= tb && t < tb && t >= tb - config_resist_win)
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*y = tb, snapy = target;
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else if (cb <= tt && b > tt &&
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b <= tt + config_resist_win)
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*y = tt - h + 1, snapy = target;
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if (snapy != NULL) {
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/* try to corner snap to the window */
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if (cl > tl && l <= tl &&
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l > tl - config_resist_win)
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*x = tl + 1, snapx = target;
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else if (cr < tr && r >= tr &&
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r < tr + config_resist_win)
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*x = tr - w, snapx = target;
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}
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}
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}
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if (snapx && snapy) break;
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}
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}
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void resist_move_monitors(ObClient *c, gint *x, gint *y)
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{
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Rect *area;
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guint i;
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gint l, t, r, b; /* requested edges */
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gint al, at, ar, ab; /* screen area edges */
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gint cl, ct, cr, cb; /* current edges */
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gint w, h; /* current size */
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w = c->frame->area.width;
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h = c->frame->area.height;
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l = *x;
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t = *y;
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r = l + w - 1;
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b = t + h - 1;
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cl = c->frame->area.x;
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ct = c->frame->area.y;
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cr = cl + c->frame->area.width - 1;
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cb = ct + c->frame->area.height - 1;
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if (config_resist_edge) {
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for (i = 0; i < screen_num_monitors; ++i) {
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area = screen_area_monitor(c->desktop, i);
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if (!RECT_INTERSECTS_RECT(*area, c->frame->area))
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continue;
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al = area->x;
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at = area->y;
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ar = al + area->width - 1;
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ab = at + area->height - 1;
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if (cl >= al && l < al && l >= al - config_resist_edge)
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*x = al;
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else if (cr <= ar && r > ar && r <= ar + config_resist_edge)
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*x = ar - w + 1;
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if (ct >= at && t < at && t >= at - config_resist_edge)
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*y = at;
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else if (cb <= ab && b > ab && b < ab + config_resist_edge)
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*y = ab - h + 1;
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}
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}
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}
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void resist_size_windows(ObClient *c, gint *w, gint *h, ObCorner corn)
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{
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GList *it;
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ObClient *target; /* target */
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gint l, t, r, b; /* my left, top, right and bottom sides */
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gint dlt, drb; /* my destination left/top and right/bottom sides */
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gint tl, tt, tr, tb; /* target's left, top, right and bottom bottom sides*/
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gint incw, inch;
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ObClient *snapx = NULL, *snapy = NULL;
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incw = c->size_inc.width;
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inch = c->size_inc.height;
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l = c->frame->area.x;
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r = l + c->frame->area.width - 1;
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t = c->frame->area.y;
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b = t + c->frame->area.height - 1;
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if (config_resist_win) {
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for (it = stacking_list; it != NULL; it = it->next) {
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if (!WINDOW_IS_CLIENT(it->data))
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continue;
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target = it->data;
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/* don't snap to invisibles or ourself */
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if (!target->frame->visible || target == c) continue;
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tl = target->frame->area.x;
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tr = target->frame->area.x + target->frame->area.width - 1;
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tt = target->frame->area.y;
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tb = target->frame->area.y + target->frame->area.height - 1;
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if (snapx == NULL) {
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/* horizontal snapping */
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if (t < tb && b > tt) {
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_BOTTOMLEFT:
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dlt = l;
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drb = r + *w - c->frame->area.width;
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if (r < tl && drb >= tl &&
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drb < tl + config_resist_win)
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*w = tl - l, snapx = target;
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break;
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case OB_CORNER_TOPRIGHT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = l - *w + c->frame->area.width;
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drb = r;
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if (l > tr && dlt <= tr &&
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dlt > tr - config_resist_win)
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*w = r - tr, snapx = target;
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break;
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}
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}
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}
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if (snapy == NULL) {
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/* vertical snapping */
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if (l < tr && r > tl) {
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_TOPRIGHT:
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dlt = t;
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drb = b + *h - c->frame->area.height;
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if (b < tt && drb >= tt &&
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drb < tt + config_resist_win)
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*h = tt - t, snapy = target;
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break;
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case OB_CORNER_BOTTOMLEFT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = t - *h + c->frame->area.height;
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drb = b;
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if (t > tb && dlt <= tb &&
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dlt > tb - config_resist_win)
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*h = b - tb, snapy = target;
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break;
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}
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}
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}
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/* snapped both ways */
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if (snapx && snapy) break;
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}
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}
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}
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void resist_size_monitors(ObClient *c, gint *w, gint *h, ObCorner corn)
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{
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gint l, t, r, b; /* my left, top, right and bottom sides */
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gint dlt, drb; /* my destination left/top and right/bottom sides */
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Rect *area;
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gint al, at, ar, ab; /* screen boundaries */
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gint incw, inch;
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l = c->frame->area.x;
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r = l + c->frame->area.width - 1;
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t = c->frame->area.y;
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b = t + c->frame->area.height - 1;
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incw = c->size_inc.width;
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inch = c->size_inc.height;
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/* get the screen boundaries */
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area = screen_area(c->desktop);
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al = area->x;
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at = area->y;
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ar = al + area->width - 1;
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ab = at + area->height - 1;
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if (config_resist_edge) {
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/* horizontal snapping */
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_BOTTOMLEFT:
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dlt = l;
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drb = r + *w - c->frame->area.width;
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if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
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*w = ar - l + 1;
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break;
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case OB_CORNER_TOPRIGHT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = l - *w + c->frame->area.width;
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drb = r;
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if (l >= al && dlt < al && dlt >= al - config_resist_edge)
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*w = r - al + 1;
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break;
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}
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/* vertical snapping */
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switch (corn) {
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case OB_CORNER_TOPLEFT:
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case OB_CORNER_TOPRIGHT:
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dlt = t;
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drb = b + *h - c->frame->area.height;
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if (b <= ab && drb > ab && drb <= ab + config_resist_edge)
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*h = ab - t + 1;
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break;
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case OB_CORNER_BOTTOMLEFT:
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case OB_CORNER_BOTTOMRIGHT:
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dlt = t - *h + c->frame->area.height;
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drb = b;
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if (t >= at && dlt < at && dlt >= at - config_resist_edge)
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*h = b - at + 1;
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break;
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}
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}
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}
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