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overlay: add snap-to-edge overlay (PR #1652)

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...and unify region overlay and snap-to-edge overlay into overlay.c.

Snap-to-edge overlay is delayed for 500ms to prevent flickering when
the view is dragged from an output to another (demo in discussion labwc#1613).

This also fixes a bug that region overlay is not shown when a modifier
key is re-pressed.
This commit is contained in:
Hiroaki Yamamoto 2024-04-05 11:35:31 +09:00 • committed by GitHub
parent 67669dcf1e
commit 5cc0757390
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16 changed files with 361 additions and 152 deletions
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7
include/labwc.h
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@ -47,6 +47,7 @@
#include "config/rcxml.h"
#include "input/cursor.h"
#include "input/ime.h"
#include "overlay.h"
#include "regions.h"
#include "session-lock.h"
#if HAVE_NLS
@ -159,9 +160,7 @@ struct seat {
struct wlr_scene_tree *icons;
} drag;
/* Private use by regions.c */
struct region *region_active;
struct region_overlay region_overlay;
struct overlay overlay;
/* Used to prevent region snapping when starting a move with A-Left */
bool region_prevent_snap;
@ -479,6 +478,8 @@ void seat_output_layout_changed(struct seat *seat);
void interactive_begin(struct view *view, enum input_mode mode, uint32_t edges);
void interactive_finish(struct view *view);
void interactive_cancel(struct view *view);
/* Possibly returns VIEW_EDGE_CENTER if <topMaximize> is yes */
enum view_edge edge_from_cursor(struct seat *seat, struct output **dest_output);
void output_init(struct server *server);
void output_manager_init(struct server *server);