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edges: limit edge attraction and resistance...

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...to edges actually encountered by motion during interactive moves and
resizes.

In addition, ignore edge resistance and attraction for minimized views.
This commit is contained in:
Andrew J. Hesford 2024-02-02 14:43:52 -05:00 • committed by Johan Malm
parent 14f5733584
commit cf34e60240
6 changed files with 233 additions and 67 deletions
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22
src/snap.c
View file

@ -12,9 +12,15 @@
#include "view.h"
static void
check_edge(int *next, int current, int target, int oppose, int align, bool lesser)
check_edge(int *next, struct edge current, struct edge target,
struct edge oppose, struct edge align)
{
if (current == target) {
int cur = current.offset;
int tgt = target.offset;
int opp = oppose.offset;
int aln = align.offset;
if (cur == tgt) {
return;
}
@ -32,18 +38,16 @@ check_edge(int *next, int current, int target, int oppose, int align, bool lesse
*/
/* Direction of motion for the edge */
const bool decreasing = target < current;
const bool decreasing = tgt < cur;
/* Check the opposing edge */
if ((target <= oppose && oppose < current) ||
(current < oppose && oppose <= target)) {
*next = edge_get_best(*next, oppose, decreasing);
if ((tgt <= opp && opp < cur) || (cur < opp && opp <= tgt)) {
*next = edge_get_best(*next, opp, decreasing);
}
/* Check the aligned edge */
if ((target <= align && align < current) ||
(current < align && align <= target)) {
*next = edge_get_best(*next, align, decreasing);
if ((tgt <= aln && aln < cur) || (cur < aln && aln <= tgt)) {
*next = edge_get_best(*next, aln, decreasing);
}
}