132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
#include "e.h"
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void
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e_resist_border(E_Border *b)
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{
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int resist = 1;
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int desk_resist = 32;
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int win_resist = 12;
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int ok = 0;
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int dx, dy, d;
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int resist_x = 0, resist_y = 0;
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char *settings_db = "./settings.db";
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Evas_List l, rects = NULL;
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E_Rect *r;
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E_DB_INT_GET(settings_db, "/move/resist", resist, ok);
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if (!ok) resist = 1;
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if (!resist)
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{
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b->current.x = b->current.requested.x;
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b->current.y = b->current.requested.y;
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return;
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}
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E_DB_INT_GET(settings_db, "/move/resist/desk", desk_resist, ok);
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if (!ok) desk_resist = 32;
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E_DB_INT_GET(settings_db, "/move/resist/win", win_resist, ok);
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if (!ok) win_resist = 12;
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if (!b->desk) return;
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dx = b->current.requested.x - b->previous.requested.x;
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dy = b->current.requested.y - b->previous.requested.y;
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/* edges of screen */
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#define OBSTACLE(_x, _y, _w, _h, _resist) \
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{ \
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r = NEW(E_Rect, 1); \
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r->x = _x; r->y = _y; r->w = _w; r->h = _h; r->v1 = _resist; \
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rects = evas_list_append(rects, r); \
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}
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OBSTACLE(-1000000, -1000000, 2000000 + b->desk->real.w, 1000000, desk_resist);
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OBSTACLE(-1000000, -1000000, 1000000, 2000000 + b->desk->real.h, desk_resist);
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OBSTACLE(-1000000, b->desk->real.h, 2000000 + b->desk->real.w, 1000000, desk_resist);
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OBSTACLE(b->desk->real.w, -1000000, 1000000, 2000000 + b->desk->real.h, desk_resist);
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for (l = b->desk->windows; l; l = l->next)
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{
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E_Border *bd;
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bd = l->data;
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if (bd != b)
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{
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r = NEW(struct _E_Rect, 1);
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r->x = bd->current.x;
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r->y = bd->current.y;
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r->w = bd->current.w;
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r->h = bd->current.h;
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r->v1 = win_resist;
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rects = evas_list_append(rects, r);
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}
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}
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for (l = rects; l; l = l->next)
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{
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r = l->data;
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if (SPANS_COMMON(r->y, r->h, b->current.requested.y, b->current.h))
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{
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if (dx > 0)
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{
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/* moving right - check left edge of windows against right */
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d = r->x - (b->current.requested.x + b->current.w);
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if ((d < 0) && (d >= - r->v1))
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{
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if (resist_x > d) resist_x = d;
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}
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}
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else if (dx < 0)
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{
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/* moving left - check right edge of windows against left */
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d = b->current.requested.x - (r->x + r->w);
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if ((d < 0) && (d >= - r->v1))
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{
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if (resist_x > d) resist_x = -d;
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}
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}
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}
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if (SPANS_COMMON(r->x, r->w, b->current.requested.x, b->current.w))
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{
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if (dy > 0)
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{
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/* moving down - check top edge of windows against bottom */
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d = r->y - (b->current.requested.y + b->current.h);
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if ((d < 0) && (d >=2 - r->v1))
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{
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if (resist_y > d) resist_y = d;
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}
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}
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else if (dy < 0)
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{
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/* moving up - check bottom edge of windows against top */
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d = b->current.requested.y - (r->y + r->h);
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if ((d < 0) && (d >= - r->v1))
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{
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if (resist_y > d) resist_y = -d;
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}
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}
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}
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}
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if (rects)
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{
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for (l = rects; l; l = l->next)
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{
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FREE(l->data);
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}
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evas_list_free(rects);
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}
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if (dx != 0)
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{
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if ((b->previous.requested.x != b->previous.x) &&
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(((b->previous.requested.dx < 0) && (b->current.requested.dx > 0)) ||
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((b->previous.requested.dx > 0) && (b->current.requested.dx < 0))))
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b->current.requested.x = b->current.x;
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else
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b->current.x = b->current.requested.x + resist_x;
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}
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if (dy != 0)
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{
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if ((b->previous.requested.y != b->previous.y) &&
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(((b->previous.requested.dy < 0) && (b->current.requested.dy > 0)) ||
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((b->previous.requested.dy > 0) && (b->current.requested.dy < 0))))
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b->current.requested.y = b->current.y;
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else
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b->current.y = b->current.requested.y + resist_y;
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}
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}
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