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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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20
include/edges.h
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@ -50,6 +50,15 @@ edge_get_best(int next, int edge, bool decreasing)
return decreasing ? MAX(next, edge) : MIN(next, edge);
}
struct edge {
/* Position of an edge along the axis perpendicular to it */
int offset;
/* Limits of edge along axis parallel to it */
int min;
int max;
};
/*
* edge_validator_t - edge validator signature
* @best: pointer to the current "best" edge
@ -57,16 +66,13 @@ edge_get_best(int next, int edge, bool decreasing)
* @target: position to which the moving edge will be moved
* @oppose: opposing edge of encountered region
* @align: aligned edge of encountered region
* @lesser: true if moving edge is top or left edge; false otherwise
*
* This function will be used by edge_find_neighbors and edge_find_outputs to
* validate and select the "best" output or neighbor edge against which a
* moving edge should be snapped. The moving edge has current position
* "current" and desired position "target". The validator should determine
* whether motion of the crosses the given opposed and aligned edges of a trial
* region and should be considered a snap point. An edge is "lesser" if it
* occupies a smaller coordinate than the opposite edge of the view region
* (i.e., it is a top or left edge).
* region and should be considered a snap point.
*
* Opposing edges are on the opposite side of the target region from the moving
* edge (i.e., left <-> right, top <-> bottom). When the moving edge snaps to
@ -85,8 +91,8 @@ edge_get_best(int next, int edge, bool decreasing)
* region edge (oppose or align) should be a preferred snap point, it should
* update the value of *best accordingly.
*/
typedef void (*edge_validator_t)(int *best,
int current, int target, int oppose, int align, bool lesser);
typedef void (*edge_validator_t)(int *best, struct edge current,
struct edge target, struct edge oppose, struct edge align);
void edges_initialize(struct border *edges);
@ -107,4 +113,6 @@ void edges_adjust_move_coords(struct view *view, struct border edges,
void edges_adjust_resize_geom(struct view *view, struct border edges,
uint32_t resize_edges, struct wlr_box *geom, bool use_pending);
bool edges_traverse_edge(struct edge current, struct edge target, struct edge edge);
#endif /* LABWC_EDGES_H */