2362 行
71 KiB
C
2362 行
71 KiB
C
/*
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* See LICENSE file for copyright and license details.
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*/
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#define _POSIX_C_SOURCE 200809L
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#include <getopt.h>
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#include <linux/input-event-codes.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_cursor.h>
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#include <wlr/types/wlr_data_device.h>
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#include <wlr/types/wlr_export_dmabuf_v1.h>
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#include <wlr/types/wlr_gamma_control_v1.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/types/wlr_layer_shell_v1.h>
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#include <wlr/types/wlr_keyboard.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_pointer.h>
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#include <wlr/types/wlr_primary_selection.h>
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#include <wlr/types/wlr_primary_selection_v1.h>
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#include <wlr/types/wlr_screencopy_v1.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/types/wlr_viewporter.h>
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#include <wlr/types/wlr_xcursor_manager.h>
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#include <wlr/types/wlr_xdg_decoration_v1.h>
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#include <wlr/types/wlr_xdg_output_v1.h>
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#include <wlr/types/wlr_xdg_shell.h>
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#include <wlr/util/log.h>
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#include <xkbcommon/xkbcommon.h>
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#ifdef XWAYLAND
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#include <X11/Xlib.h>
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#include <wlr/xwayland.h>
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#endif
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/* macros */
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#define BARF(fmt, ...) do { fprintf(stderr, fmt "\n", ##__VA_ARGS__); exit(EXIT_FAILURE); } while (0)
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#define EBARF(fmt, ...) BARF(fmt ": %s", ##__VA_ARGS__, strerror(errno))
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#define MAX(A, B) ((A) > (B) ? (A) : (B))
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#define MIN(A, B) ((A) < (B) ? (A) : (B))
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#define CLEANMASK(mask) (mask & ~WLR_MODIFIER_CAPS)
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#define VISIBLEON(C, M) ((C)->mon == (M) && ((C)->tags & (M)->tagset[(M)->seltags]))
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#define LENGTH(X) (sizeof X / sizeof X[0])
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#define END(A) ((A) + LENGTH(A))
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#define TAGMASK ((1 << LENGTH(tags)) - 1)
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#ifdef XWAYLAND
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#define WLR_SURFACE(C) ((C)->type != XDGShell ? (C)->surface.xwayland->surface : (C)->surface.xdg->surface)
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#else
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#define WLR_SURFACE(C) ((C)->surface.xdg->surface)
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#endif
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/* enums */
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enum { CurNormal, CurMove, CurResize }; /* cursor */
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#ifdef XWAYLAND
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enum { NetWMWindowTypeDialog, NetWMWindowTypeSplash, NetWMWindowTypeToolbar,
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NetWMWindowTypeUtility, NetLast }; /* EWMH atoms */
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enum { XDGShell, X11Managed, X11Unmanaged }; /* client types */
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#endif
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typedef union {
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int i;
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unsigned int ui;
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float f;
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const void *v;
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} Arg;
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typedef struct {
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unsigned int mod;
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unsigned int button;
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void (*func)(const Arg *);
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const Arg arg;
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} Button;
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typedef struct Monitor Monitor;
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typedef struct {
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struct wl_list link;
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struct wl_list flink;
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struct wl_list slink;
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union {
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struct wlr_xdg_surface *xdg;
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#ifdef XWAYLAND
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struct wlr_xwayland_surface *xwayland;
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#endif
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} surface;
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#ifdef XWAYLAND
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struct wl_listener activate;
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#endif
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struct wl_listener commit;
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struct wl_listener map;
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struct wl_listener unmap;
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struct wl_listener destroy;
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struct wlr_box geom; /* layout-relative, includes border */
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Monitor *mon;
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#ifdef XWAYLAND
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unsigned int type;
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#endif
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int bw;
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unsigned int tags;
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int isfloating;
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uint32_t resize; /* configure serial of a pending resize */
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} Client;
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typedef struct {
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struct wl_listener request_mode;
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struct wl_listener destroy;
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} Decoration;
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typedef struct {
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uint32_t mod;
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xkb_keysym_t keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Key;
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typedef struct {
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struct wl_list link;
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struct wlr_input_device *device;
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struct wl_listener modifiers;
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struct wl_listener key;
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struct wl_listener destroy;
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} Keyboard;
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typedef struct {
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struct wlr_layer_surface_v1 *layer_surface;
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struct wl_list link;
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struct wl_listener destroy;
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struct wl_listener map;
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struct wl_listener unmap;
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struct wl_listener surface_commit;
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struct wlr_box geo;
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enum zwlr_layer_shell_v1_layer layer;
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} LayerSurface;
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typedef struct {
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const char *symbol;
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void (*arrange)(Monitor *);
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} Layout;
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struct Monitor {
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struct wl_list link;
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struct wlr_output *wlr_output;
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struct wl_listener frame;
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struct wl_listener destroy;
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struct wlr_box m; /* monitor area, layout-relative */
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struct wlr_box w; /* window area, layout-relative */
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struct wl_list layers[4]; // LayerSurface::link
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const Layout *lt[2];
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unsigned int seltags;
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unsigned int sellt;
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unsigned int tagset[2];
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double mfact;
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int nmaster;
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};
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typedef struct {
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const char *name;
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float mfact;
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int nmaster;
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float scale;
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const Layout *lt;
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enum wl_output_transform rr;
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} MonitorRule;
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typedef struct {
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const char *id;
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const char *title;
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unsigned int tags;
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int isfloating;
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int monitor;
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} Rule;
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/* Used to move all of the data necessary to render a surface from the top-level
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* frame handler to the per-surface render function. */
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struct render_data {
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struct wlr_output *output;
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struct timespec *when;
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int x, y; /* layout-relative */
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};
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/* function declarations */
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static void applybounds(Client *c, struct wlr_box *bbox);
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static void applyexclusive(struct wlr_box *usable_area, uint32_t anchor,
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int32_t exclusive, int32_t margin_top, int32_t margin_right,
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int32_t margin_bottom, int32_t margin_left);
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static void applyrules(Client *c);
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static void arrange(Monitor *m);
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static void arrangelayer(Monitor *m, struct wl_list *list,
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struct wlr_box *usable_area, bool exclusive);
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static void arrangelayers(Monitor *m);
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static void axisnotify(struct wl_listener *listener, void *data);
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static void buttonpress(struct wl_listener *listener, void *data);
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static void chvt(const Arg *arg);
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static void cleanup(void);
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static void cleanupkeyboard(struct wl_listener *listener, void *data);
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static void cleanupmon(struct wl_listener *listener, void *data);
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static void commitlayersurfacenotify(struct wl_listener *listener, void *data);
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static void commitnotify(struct wl_listener *listener, void *data);
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static void createkeyboard(struct wlr_input_device *device);
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static void createmon(struct wl_listener *listener, void *data);
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static void createnotify(struct wl_listener *listener, void *data);
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static void createlayersurface(struct wl_listener *listener, void *data);
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static void createpointer(struct wlr_input_device *device);
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static void createxdeco(struct wl_listener *listener, void *data);
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static void cursorframe(struct wl_listener *listener, void *data);
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static void destroylayersurfacenotify(struct wl_listener *listener, void *data);
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static void destroynotify(struct wl_listener *listener, void *data);
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static void destroyxdeco(struct wl_listener *listener, void *data);
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static Monitor *dirtomon(int dir);
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static void focusclient(Client *old, Client *c, int lift);
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static void focusmon(const Arg *arg);
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static void focusstack(const Arg *arg);
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static Client *focustop(Monitor *m);
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static void getxdecomode(struct wl_listener *listener, void *data);
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static void incnmaster(const Arg *arg);
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static void inputdevice(struct wl_listener *listener, void *data);
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static int keybinding(uint32_t mods, xkb_keysym_t sym);
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static void keypress(struct wl_listener *listener, void *data);
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static void keypressmod(struct wl_listener *listener, void *data);
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static void killclient(const Arg *arg);
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static void maplayersurfacenotify(struct wl_listener *listener, void *data);
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static void maprequest(struct wl_listener *listener, void *data);
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static void monocle(Monitor *m);
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static void motionabsolute(struct wl_listener *listener, void *data);
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static void motionnotify(uint32_t time);
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static void motionrelative(struct wl_listener *listener, void *data);
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static void moveresize(const Arg *arg);
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static void pointerfocus(Client *c, struct wlr_surface *surface,
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double sx, double sy, uint32_t time);
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static void quit(const Arg *arg);
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static void render(struct wlr_surface *surface, int sx, int sy, void *data);
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static void renderclients(Monitor *m, struct timespec *now);
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static void renderlayer(struct wl_list *layer_surfaces, struct timespec *now);
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static void rendermon(struct wl_listener *listener, void *data);
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static void resize(Client *c, int x, int y, int w, int h, int interact);
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static void run(char *startup_cmd);
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static void scalebox(struct wlr_box *box, float scale);
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static Client *selclient(void);
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static void setcursor(struct wl_listener *listener, void *data);
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static void setpsel(struct wl_listener *listener, void *data);
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static void setsel(struct wl_listener *listener, void *data);
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static void setfloating(Client *c, int floating);
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static void setlayout(const Arg *arg);
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static void setmfact(const Arg *arg);
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static void setmon(Client *c, Monitor *m, unsigned int newtags);
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static void setup(void);
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static void sigchld(int unused);
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static void spawn(const Arg *arg);
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static void tag(const Arg *arg);
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static void tagmon(const Arg *arg);
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static void tile(Monitor *m);
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static void togglefloating(const Arg *arg);
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static void toggletag(const Arg *arg);
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static void toggleview(const Arg *arg);
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static void unmaplayersurface(LayerSurface *layersurface);
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static void unmaplayersurfacenotify(struct wl_listener *listener, void *data);
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static void unmapnotify(struct wl_listener *listener, void *data);
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static void view(const Arg *arg);
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static Client *xytoclient(double x, double y);
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static struct wlr_surface *xytolayersurface(struct wl_list *layer_surfaces,
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double x, double y, double *sx, double *sy);
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static Monitor *xytomon(double x, double y);
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static void zoom(const Arg *arg);
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/* variables */
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static const char broken[] = "broken";
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static struct wl_display *dpy;
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static struct wlr_backend *backend;
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static struct wlr_renderer *drw;
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static struct wlr_compositor *compositor;
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static struct wlr_xdg_shell *xdg_shell;
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static struct wl_list clients; /* tiling order */
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static struct wl_list fstack; /* focus order */
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static struct wl_list stack; /* stacking z-order */
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static struct wl_list independents;
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static struct wlr_layer_shell_v1 *layer_shell;
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static struct wlr_xdg_decoration_manager_v1 *xdeco_mgr;
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static struct wlr_cursor *cursor;
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static struct wlr_xcursor_manager *cursor_mgr;
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static struct wlr_seat *seat;
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static struct wl_list keyboards;
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static unsigned int cursor_mode;
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static Client *grabc;
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static int grabcx, grabcy; /* client-relative */
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static struct wlr_output_layout *output_layout;
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static struct wlr_box sgeom;
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static struct wl_list mons;
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static Monitor *selmon;
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/* global event handlers */
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static struct wl_listener cursor_axis = {.notify = axisnotify};
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static struct wl_listener cursor_button = {.notify = buttonpress};
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static struct wl_listener cursor_frame = {.notify = cursorframe};
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static struct wl_listener cursor_motion = {.notify = motionrelative};
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static struct wl_listener cursor_motion_absolute = {.notify = motionabsolute};
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static struct wl_listener new_input = {.notify = inputdevice};
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static struct wl_listener new_output = {.notify = createmon};
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static struct wl_listener new_xdeco = {.notify = createxdeco};
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static struct wl_listener new_xdg_surface = {.notify = createnotify};
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static struct wl_listener new_layer_shell_surface = {.notify = createlayersurface};
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static struct wl_listener request_cursor = {.notify = setcursor};
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static struct wl_listener request_set_psel = {.notify = setpsel};
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static struct wl_listener request_set_sel = {.notify = setsel};
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#ifdef XWAYLAND
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static void activatex11(struct wl_listener *listener, void *data);
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static void createnotifyx11(struct wl_listener *listener, void *data);
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static Atom getatom(xcb_connection_t *xc, const char *name);
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static void renderindependents(struct wlr_output *output, struct timespec *now);
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static void updatewindowtype(Client *c);
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static void xwaylandready(struct wl_listener *listener, void *data);
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static Client *xytoindependent(double x, double y);
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static struct wl_listener new_xwayland_surface = {.notify = createnotifyx11};
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static struct wl_listener xwayland_ready = {.notify = xwaylandready};
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static struct wlr_xwayland *xwayland;
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static Atom netatom[NetLast];
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#endif
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/* configuration, allows nested code to access above variables */
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#include "config.h"
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/* compile-time check if all tags fit into an unsigned int bit array. */
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struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
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/* function implementations */
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void
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applybounds(Client *c, struct wlr_box *bbox)
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{
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/* set minimum possible */
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c->geom.width = MAX(1, c->geom.width);
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c->geom.height = MAX(1, c->geom.height);
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if (c->geom.x >= bbox->x + bbox->width)
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c->geom.x = bbox->x + bbox->width - c->geom.width;
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if (c->geom.y >= bbox->y + bbox->height)
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c->geom.y = bbox->y + bbox->height - c->geom.height;
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if (c->geom.x + c->geom.width + 2 * c->bw <= bbox->x)
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c->geom.x = bbox->x;
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if (c->geom.y + c->geom.height + 2 * c->bw <= bbox->y)
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c->geom.y = bbox->y;
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}
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void
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applyexclusive(struct wlr_box *usable_area,
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uint32_t anchor, int32_t exclusive,
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int32_t margin_top, int32_t margin_right,
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int32_t margin_bottom, int32_t margin_left) {
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struct {
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uint32_t singular_anchor;
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uint32_t anchor_triplet;
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int *positive_axis;
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int *negative_axis;
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int margin;
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} edges[4];
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if (exclusive <= 0)
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return;
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// Top
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edges[0].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
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edges[0].anchor_triplet =
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ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
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edges[0].positive_axis = &usable_area->y;
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edges[0].negative_axis = &usable_area->height;
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edges[0].margin = margin_top;
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// Bottom
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edges[1].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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edges[1].anchor_triplet =
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ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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edges[1].positive_axis = NULL;
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edges[1].negative_axis = &usable_area->height;
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edges[1].margin = margin_bottom;
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// Left
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edges[2].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT;
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edges[2].anchor_triplet =
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ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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edges[2].positive_axis = &usable_area->x;
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edges[2].negative_axis = &usable_area->width;
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edges[2].margin = margin_left;
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// Right
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edges[3].singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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edges[3].anchor_triplet =
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ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
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ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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edges[3].positive_axis = NULL;
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edges[3].negative_axis = &usable_area->width;
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edges[3].margin = margin_right;
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for (size_t i = 0; i < LENGTH(edges); ++i) {
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if ((anchor == edges[i].singular_anchor || anchor == edges[i].anchor_triplet)
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&& exclusive + edges[i].margin > 0) {
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if (edges[i].positive_axis)
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*edges[i].positive_axis += exclusive + edges[i].margin;
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if (edges[i].negative_axis)
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*edges[i].negative_axis -= exclusive + edges[i].margin;
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break;
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}
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}
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}
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void
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applyrules(Client *c)
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{
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const char *appid, *title;
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unsigned int i, newtags = 0;
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const Rule *r;
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Monitor *mon = selmon, *m;
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/* rule matching */
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c->isfloating = 0;
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#ifdef XWAYLAND
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if (c->type != XDGShell) {
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updatewindowtype(c);
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appid = c->surface.xwayland->class;
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title = c->surface.xwayland->title;
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} else
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#endif
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{
|
|
appid = c->surface.xdg->toplevel->app_id;
|
|
title = c->surface.xdg->toplevel->title;
|
|
}
|
|
if (!appid)
|
|
appid = broken;
|
|
if (!title)
|
|
title = broken;
|
|
|
|
for (r = rules; r < END(rules); r++) {
|
|
if ((!r->title || strstr(title, r->title))
|
|
&& (!r->id || strstr(appid, r->id))) {
|
|
c->isfloating = r->isfloating;
|
|
newtags |= r->tags;
|
|
i = 0;
|
|
wl_list_for_each(m, &mons, link)
|
|
if (r->monitor == i++)
|
|
mon = m;
|
|
}
|
|
}
|
|
setmon(c, mon, newtags);
|
|
}
|
|
|
|
void
|
|
arrange(Monitor *m)
|
|
{
|
|
if (m->lt[m->sellt]->arrange)
|
|
m->lt[m->sellt]->arrange(m);
|
|
/* XXX recheck pointer focus here... or in resize()? */
|
|
}
|
|
|
|
void
|
|
arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, bool exclusive)
|
|
{
|
|
LayerSurface *layersurface;
|
|
struct wlr_box full_area = { 0 };
|
|
wlr_output_effective_resolution(m->wlr_output,
|
|
&full_area.width, &full_area.height);
|
|
|
|
wl_list_for_each(layersurface, list, link) {
|
|
struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface;
|
|
struct wlr_layer_surface_v1_state *state = &wlr_layer_surface->current;
|
|
struct wlr_box bounds;
|
|
struct wlr_box box = {
|
|
.width = state->desired_width,
|
|
.height = state->desired_height
|
|
};
|
|
const uint32_t both_horiz = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
|
|
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
|
|
const uint32_t both_vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
|
|
| ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
|
|
|
|
if (exclusive != (state->exclusive_zone > 0))
|
|
continue;
|
|
|
|
bounds = state->exclusive_zone == -1 ? full_area : *usable_area;
|
|
|
|
// Horizontal axis
|
|
if ((state->anchor & both_horiz) && box.width == 0) {
|
|
box.x = bounds.x;
|
|
box.width = bounds.width;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
|
|
box.x = bounds.x;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
|
|
box.x = bounds.x + (bounds.width - box.width);
|
|
} else {
|
|
box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
|
|
}
|
|
// Vertical axis
|
|
if ((state->anchor & both_vert) && box.height == 0) {
|
|
box.y = bounds.y;
|
|
box.height = bounds.height;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
|
|
box.y = bounds.y;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
|
|
box.y = bounds.y + (bounds.height - box.height);
|
|
} else {
|
|
box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
|
|
}
|
|
// Margin
|
|
if ((state->anchor & both_horiz) == both_horiz) {
|
|
box.x += state->margin.left;
|
|
box.width -= state->margin.left + state->margin.right;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
|
|
box.x += state->margin.left;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
|
|
box.x -= state->margin.right;
|
|
}
|
|
if ((state->anchor & both_vert) == both_vert) {
|
|
box.y += state->margin.top;
|
|
box.height -= state->margin.top + state->margin.bottom;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
|
|
box.y += state->margin.top;
|
|
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
|
|
box.y -= state->margin.bottom;
|
|
}
|
|
if (box.width < 0 || box.height < 0) {
|
|
wlr_layer_surface_v1_close(wlr_layer_surface);
|
|
continue;
|
|
}
|
|
layersurface->geo = box;
|
|
|
|
applyexclusive(usable_area, state->anchor, state->exclusive_zone,
|
|
state->margin.top, state->margin.right,
|
|
state->margin.bottom, state->margin.left);
|
|
wlr_layer_surface_v1_configure(wlr_layer_surface, box.width, box.height);
|
|
}
|
|
}
|
|
|
|
void
|
|
arrangelayers(Monitor *m)
|
|
{
|
|
struct wlr_box usable_area = m->m;
|
|
uint32_t layers_above_shell[] = {
|
|
ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY,
|
|
ZWLR_LAYER_SHELL_V1_LAYER_TOP,
|
|
};
|
|
size_t nlayers = LENGTH(layers_above_shell);
|
|
LayerSurface *layersurface, *topmost = NULL;
|
|
struct wlr_keyboard *kb = wlr_seat_get_keyboard(seat);
|
|
|
|
// Arrange exclusive surfaces from top->bottom
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
|
|
&usable_area, true);
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
|
|
&usable_area, true);
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
|
|
&usable_area, true);
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
|
|
&usable_area, true);
|
|
|
|
if (memcmp(&usable_area, &m->w, sizeof(struct wlr_box))) {
|
|
memcpy(&m->w, &usable_area, sizeof(struct wlr_box));
|
|
arrange(m);
|
|
}
|
|
|
|
// Arrange non-exlusive surfaces from top->bottom
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
|
|
&usable_area, false);
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
|
|
&usable_area, false);
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
|
|
&usable_area, false);
|
|
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
|
|
&usable_area, false);
|
|
|
|
// Find topmost keyboard interactive layer, if such a layer exists
|
|
for (size_t i = 0; i < nlayers; ++i) {
|
|
wl_list_for_each_reverse(layersurface,
|
|
&m->layers[layers_above_shell[i]], link) {
|
|
if (layersurface->layer_surface->current.keyboard_interactive &&
|
|
layersurface->layer_surface->mapped) {
|
|
topmost = layersurface;
|
|
break;
|
|
}
|
|
}
|
|
if (topmost) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (topmost)
|
|
wlr_seat_keyboard_notify_enter(seat, topmost->layer_surface->surface,
|
|
kb->keycodes, kb->num_keycodes, &kb->modifiers);
|
|
else if (
|
|
seat->keyboard_state.focused_surface
|
|
&& wlr_surface_is_layer_surface(seat->keyboard_state.focused_surface)
|
|
&& !wlr_layer_surface_v1_from_wlr_surface(seat->keyboard_state.focused_surface)
|
|
->current.keyboard_interactive
|
|
)
|
|
wlr_seat_keyboard_notify_clear_focus(seat);
|
|
/* XXX recheck keyboard focus */
|
|
}
|
|
|
|
void
|
|
axisnotify(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is forwarded by the cursor when a pointer emits an axis event,
|
|
* for example when you move the scroll wheel. */
|
|
struct wlr_event_pointer_axis *event = data;
|
|
/* Notify the client with pointer focus of the axis event. */
|
|
wlr_seat_pointer_notify_axis(seat,
|
|
event->time_msec, event->orientation, event->delta,
|
|
event->delta_discrete, event->source);
|
|
}
|
|
|
|
void
|
|
buttonpress(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_event_pointer_button *event = data;
|
|
struct wlr_keyboard *keyboard;
|
|
uint32_t mods;
|
|
Client *c;
|
|
const Button *b;
|
|
|
|
switch (event->state) {
|
|
case WLR_BUTTON_PRESSED:;
|
|
/* Change focus if the button was _pressed_ over a client */
|
|
if ((c = xytoclient(cursor->x, cursor->y)))
|
|
focusclient(selclient(), c, 1);
|
|
|
|
keyboard = wlr_seat_get_keyboard(seat);
|
|
mods = wlr_keyboard_get_modifiers(keyboard);
|
|
for (b = buttons; b < END(buttons); b++) {
|
|
if (CLEANMASK(mods) == CLEANMASK(b->mod) &&
|
|
event->button == b->button && b->func) {
|
|
b->func(&b->arg);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
case WLR_BUTTON_RELEASED:
|
|
/* If you released any buttons, we exit interactive move/resize mode. */
|
|
/* XXX should reset to the pointer focus's current setcursor */
|
|
if (cursor_mode != CurNormal) {
|
|
wlr_xcursor_manager_set_cursor_image(cursor_mgr,
|
|
"left_ptr", cursor);
|
|
cursor_mode = CurNormal;
|
|
/* Drop the window off on its new monitor */
|
|
selmon = xytomon(cursor->x, cursor->y);
|
|
setmon(grabc, selmon, 0);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
/* If the event wasn't handled by the compositor, notify the client with
|
|
* pointer focus that a button press has occurred */
|
|
wlr_seat_pointer_notify_button(seat,
|
|
event->time_msec, event->button, event->state);
|
|
}
|
|
|
|
void
|
|
chvt(const Arg *arg)
|
|
{
|
|
wlr_session_change_vt(wlr_backend_get_session(backend), arg->ui);
|
|
}
|
|
|
|
void
|
|
cleanup(void)
|
|
{
|
|
#ifdef XWAYLAND
|
|
wlr_xwayland_destroy(xwayland);
|
|
#endif
|
|
wl_display_destroy_clients(dpy);
|
|
wl_display_destroy(dpy);
|
|
|
|
wlr_xcursor_manager_destroy(cursor_mgr);
|
|
wlr_cursor_destroy(cursor);
|
|
wlr_output_layout_destroy(output_layout);
|
|
}
|
|
|
|
void
|
|
cleanupkeyboard(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_input_device *device = data;
|
|
Keyboard *kb = device->data;
|
|
|
|
wl_list_remove(&kb->destroy.link);
|
|
free(kb);
|
|
}
|
|
|
|
void
|
|
cleanupmon(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_output *wlr_output = data;
|
|
Monitor *m = wlr_output->data;
|
|
|
|
wl_list_remove(&m->destroy.link);
|
|
free(m);
|
|
}
|
|
|
|
void
|
|
commitlayersurfacenotify(struct wl_listener *listener, void *data)
|
|
{
|
|
LayerSurface *layersurface = wl_container_of(listener, layersurface, surface_commit);
|
|
struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface;
|
|
struct wlr_output *wlr_output = wlr_layer_surface->output;
|
|
Monitor *m;
|
|
|
|
if (!wlr_output)
|
|
return;
|
|
|
|
m = wlr_output->data;
|
|
arrangelayers(m);
|
|
|
|
if (layersurface->layer != wlr_layer_surface->current.layer) {
|
|
wl_list_remove(&layersurface->link);
|
|
wl_list_insert(&m->layers[wlr_layer_surface->current.layer],
|
|
&layersurface->link);
|
|
layersurface->layer = wlr_layer_surface->current.layer;
|
|
}
|
|
}
|
|
|
|
void
|
|
commitnotify(struct wl_listener *listener, void *data)
|
|
{
|
|
Client *c = wl_container_of(listener, c, commit);
|
|
|
|
/* mark a pending resize as completed */
|
|
if (c->resize && c->resize <= c->surface.xdg->configure_serial)
|
|
c->resize = 0;
|
|
}
|
|
|
|
void
|
|
createkeyboard(struct wlr_input_device *device)
|
|
{
|
|
struct xkb_context *context;
|
|
struct xkb_keymap *keymap;
|
|
Keyboard *kb;
|
|
|
|
kb = device->data = calloc(1, sizeof(*kb));
|
|
kb->device = device;
|
|
|
|
/* Prepare an XKB keymap and assign it to the keyboard. */
|
|
context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
|
|
keymap = xkb_map_new_from_names(context, &xkb_rules,
|
|
XKB_KEYMAP_COMPILE_NO_FLAGS);
|
|
|
|
wlr_keyboard_set_keymap(device->keyboard, keymap);
|
|
xkb_keymap_unref(keymap);
|
|
xkb_context_unref(context);
|
|
wlr_keyboard_set_repeat_info(device->keyboard, repeat_rate, repeat_delay);
|
|
|
|
/* Here we set up listeners for keyboard events. */
|
|
kb->modifiers.notify = keypressmod;
|
|
wl_signal_add(&device->keyboard->events.modifiers, &kb->modifiers);
|
|
kb->key.notify = keypress;
|
|
wl_signal_add(&device->keyboard->events.key, &kb->key);
|
|
kb->destroy.notify = cleanupkeyboard;
|
|
wl_signal_add(&device->events.destroy, &kb->destroy);
|
|
|
|
wlr_seat_set_keyboard(seat, device);
|
|
|
|
/* And add the keyboard to our list of keyboards */
|
|
wl_list_insert(&keyboards, &kb->link);
|
|
}
|
|
|
|
void
|
|
createmon(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised by the backend when a new output (aka a display or
|
|
* monitor) becomes available. */
|
|
struct wlr_output *wlr_output = data;
|
|
Monitor *m;
|
|
const MonitorRule *r;
|
|
size_t len;
|
|
|
|
/* The mode is a tuple of (width, height, refresh rate), and each
|
|
* monitor supports only a specific set of modes. We just pick the
|
|
* monitor's preferred mode; a more sophisticated compositor would let
|
|
* the user configure it. */
|
|
wlr_output_set_mode(wlr_output, wlr_output_preferred_mode(wlr_output));
|
|
|
|
/* Allocates and configures monitor state using configured rules */
|
|
m = wlr_output->data = calloc(1, sizeof(*m));
|
|
m->wlr_output = wlr_output;
|
|
m->tagset[0] = m->tagset[1] = 1;
|
|
for (r = monrules; r < END(monrules); r++) {
|
|
if (!r->name || strstr(wlr_output->name, r->name)) {
|
|
m->mfact = r->mfact;
|
|
m->nmaster = r->nmaster;
|
|
wlr_output_set_scale(wlr_output, r->scale);
|
|
wlr_xcursor_manager_load(cursor_mgr, r->scale);
|
|
m->lt[0] = m->lt[1] = r->lt;
|
|
wlr_output_set_transform(wlr_output, r->rr);
|
|
break;
|
|
}
|
|
}
|
|
/* Set up event listeners */
|
|
m->frame.notify = rendermon;
|
|
wl_signal_add(&wlr_output->events.frame, &m->frame);
|
|
m->destroy.notify = cleanupmon;
|
|
wl_signal_add(&wlr_output->events.destroy, &m->destroy);
|
|
|
|
wl_list_insert(&mons, &m->link);
|
|
|
|
wlr_output_enable(wlr_output, 1);
|
|
if (!wlr_output_commit(wlr_output))
|
|
return;
|
|
|
|
/* Adds this to the output layout. The add_auto function arranges outputs
|
|
* from left-to-right in the order they appear. A more sophisticated
|
|
* compositor would let the user configure the arrangement of outputs in the
|
|
* layout.
|
|
*
|
|
* The output layout utility automatically adds a wl_output global to the
|
|
* display, which Wayland clients can see to find out information about the
|
|
* output (such as DPI, scale factor, manufacturer, etc).
|
|
*/
|
|
wlr_output_layout_add_auto(output_layout, wlr_output);
|
|
sgeom = *wlr_output_layout_get_box(output_layout, NULL);
|
|
|
|
/* Get effective monitor geometry to use for window area */
|
|
m->m = *wlr_output_layout_get_box(output_layout, m->wlr_output);
|
|
m->w = m->m;
|
|
|
|
len = LENGTH(m->layers);
|
|
for (size_t i = 0; i < len; ++i) {
|
|
wl_list_init(&m->layers[i]);
|
|
}
|
|
}
|
|
|
|
void
|
|
createnotify(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised when wlr_xdg_shell receives a new xdg surface from a
|
|
* client, either a toplevel (application window) or popup. */
|
|
struct wlr_xdg_surface *xdg_surface = data;
|
|
Client *c;
|
|
|
|
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL)
|
|
return;
|
|
|
|
/* Allocate a Client for this surface */
|
|
c = xdg_surface->data = calloc(1, sizeof(*c));
|
|
c->surface.xdg = xdg_surface;
|
|
c->bw = borderpx;
|
|
|
|
/* Tell the client not to try anything fancy */
|
|
wlr_xdg_toplevel_set_tiled(c->surface.xdg, WLR_EDGE_TOP |
|
|
WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
|
|
|
|
/* Listen to the various events it can emit */
|
|
c->commit.notify = commitnotify;
|
|
wl_signal_add(&xdg_surface->surface->events.commit, &c->commit);
|
|
c->map.notify = maprequest;
|
|
wl_signal_add(&xdg_surface->events.map, &c->map);
|
|
c->unmap.notify = unmapnotify;
|
|
wl_signal_add(&xdg_surface->events.unmap, &c->unmap);
|
|
c->destroy.notify = destroynotify;
|
|
wl_signal_add(&xdg_surface->events.destroy, &c->destroy);
|
|
}
|
|
|
|
void
|
|
createlayersurface(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_layer_surface_v1 *wlr_layer_surface = data;
|
|
LayerSurface *layersurface;
|
|
Monitor *m;
|
|
struct wlr_layer_surface_v1_state old_state;
|
|
|
|
if (!wlr_layer_surface->output) {
|
|
wlr_layer_surface->output = selmon->wlr_output;
|
|
}
|
|
|
|
layersurface = calloc(1, sizeof(LayerSurface));
|
|
|
|
layersurface->surface_commit.notify = commitlayersurfacenotify;
|
|
wl_signal_add(&wlr_layer_surface->surface->events.commit,
|
|
&layersurface->surface_commit);
|
|
layersurface->destroy.notify = destroylayersurfacenotify;
|
|
wl_signal_add(&wlr_layer_surface->events.destroy, &layersurface->destroy);
|
|
layersurface->map.notify = maplayersurfacenotify;
|
|
wl_signal_add(&wlr_layer_surface->events.map, &layersurface->map);
|
|
layersurface->unmap.notify = unmaplayersurfacenotify;
|
|
wl_signal_add(&wlr_layer_surface->events.unmap, &layersurface->unmap);
|
|
|
|
layersurface->layer_surface = wlr_layer_surface;
|
|
wlr_layer_surface->data = layersurface;
|
|
|
|
m = wlr_layer_surface->output->data;
|
|
|
|
wl_list_insert(&m->layers[wlr_layer_surface->client_pending.layer],
|
|
&layersurface->link);
|
|
|
|
// Temporarily set the layer's current state to client_pending
|
|
// so that we can easily arrange it
|
|
old_state = wlr_layer_surface->current;
|
|
wlr_layer_surface->current = wlr_layer_surface->client_pending;
|
|
arrangelayers(m);
|
|
wlr_layer_surface->current = old_state;
|
|
}
|
|
|
|
void
|
|
createpointer(struct wlr_input_device *device)
|
|
{
|
|
/* We don't do anything special with pointers. All of our pointer handling
|
|
* is proxied through wlr_cursor. On another compositor, you might take this
|
|
* opportunity to do libinput configuration on the device to set
|
|
* acceleration, etc. */
|
|
wlr_cursor_attach_input_device(cursor, device);
|
|
}
|
|
|
|
void
|
|
createxdeco(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
|
|
Decoration *d = wlr_deco->data = calloc(1, sizeof(*d));
|
|
|
|
wl_signal_add(&wlr_deco->events.request_mode, &d->request_mode);
|
|
d->request_mode.notify = getxdecomode;
|
|
wl_signal_add(&wlr_deco->events.destroy, &d->destroy);
|
|
d->destroy.notify = destroyxdeco;
|
|
|
|
getxdecomode(&d->request_mode, wlr_deco);
|
|
}
|
|
|
|
|
|
void
|
|
cursorframe(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is forwarded by the cursor when a pointer emits an frame
|
|
* event. Frame events are sent after regular pointer events to group
|
|
* multiple events together. For instance, two axis events may happen at the
|
|
* same time, in which case a frame event won't be sent in between. */
|
|
/* Notify the client with pointer focus of the frame event. */
|
|
wlr_seat_pointer_notify_frame(seat);
|
|
}
|
|
|
|
void
|
|
destroylayersurfacenotify(struct wl_listener *listener, void *data)
|
|
{
|
|
LayerSurface *layersurface = wl_container_of(listener, layersurface, destroy);
|
|
Monitor *m;
|
|
|
|
if (layersurface->layer_surface->mapped)
|
|
unmaplayersurface(layersurface);
|
|
wl_list_remove(&layersurface->link);
|
|
wl_list_remove(&layersurface->destroy.link);
|
|
wl_list_remove(&layersurface->map.link);
|
|
wl_list_remove(&layersurface->unmap.link);
|
|
wl_list_remove(&layersurface->surface_commit.link);
|
|
if (layersurface->layer_surface->output) {
|
|
m = layersurface->layer_surface->output->data;
|
|
if (m)
|
|
arrangelayers(m);
|
|
layersurface->layer_surface->output = NULL;
|
|
}
|
|
free(layersurface);
|
|
}
|
|
|
|
void
|
|
destroynotify(struct wl_listener *listener, void *data)
|
|
{
|
|
/* Called when the surface is destroyed and should never be shown again. */
|
|
Client *c = wl_container_of(listener, c, destroy);
|
|
wl_list_remove(&c->map.link);
|
|
wl_list_remove(&c->unmap.link);
|
|
wl_list_remove(&c->destroy.link);
|
|
#ifdef XWAYLAND
|
|
if (c->type == X11Managed)
|
|
wl_list_remove(&c->activate.link);
|
|
else if (c->type == XDGShell)
|
|
#endif
|
|
wl_list_remove(&c->commit.link);
|
|
free(c);
|
|
}
|
|
|
|
void
|
|
destroyxdeco(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
|
|
Decoration *d = wlr_deco->data;
|
|
|
|
wl_list_remove(&d->destroy.link);
|
|
wl_list_remove(&d->request_mode.link);
|
|
free(d);
|
|
}
|
|
|
|
Monitor *
|
|
dirtomon(int dir)
|
|
{
|
|
Monitor *m;
|
|
|
|
if (dir > 0) {
|
|
if (selmon->link.next == &mons)
|
|
return wl_container_of(mons.next, m, link);
|
|
return wl_container_of(selmon->link.next, m, link);
|
|
} else {
|
|
if (selmon->link.prev == &mons)
|
|
return wl_container_of(mons.prev, m, link);
|
|
return wl_container_of(selmon->link.prev, m, link);
|
|
}
|
|
}
|
|
|
|
void
|
|
focusclient(Client *old, Client *c, int lift)
|
|
{
|
|
struct wlr_keyboard *kb = wlr_seat_get_keyboard(seat);
|
|
|
|
/* Raise client in stacking order if requested */
|
|
if (c && lift) {
|
|
wl_list_remove(&c->slink);
|
|
wl_list_insert(&stack, &c->slink);
|
|
}
|
|
|
|
/* Nothing else to do? */
|
|
if (c == old)
|
|
return;
|
|
|
|
/* Deactivate old client if focus is changing */
|
|
if (c != old && old) {
|
|
#ifdef XWAYLAND
|
|
if (old->type != XDGShell)
|
|
wlr_xwayland_surface_activate(old->surface.xwayland, 0);
|
|
else
|
|
#endif
|
|
wlr_xdg_toplevel_set_activated(old->surface.xdg, 0);
|
|
}
|
|
|
|
/* Update wlroots' keyboard focus */
|
|
if (!c) {
|
|
/* With no client, all we have left is to clear focus */
|
|
wlr_seat_keyboard_notify_clear_focus(seat);
|
|
return;
|
|
}
|
|
|
|
/* Have a client, so focus its top-level wlr_surface */
|
|
wlr_seat_keyboard_notify_enter(seat, WLR_SURFACE(c),
|
|
kb->keycodes, kb->num_keycodes, &kb->modifiers);
|
|
|
|
/* Put the new client atop the focus stack and select its monitor */
|
|
wl_list_remove(&c->flink);
|
|
wl_list_insert(&fstack, &c->flink);
|
|
selmon = c->mon;
|
|
|
|
/* Activate the new client */
|
|
#ifdef XWAYLAND
|
|
if (c->type != XDGShell)
|
|
wlr_xwayland_surface_activate(c->surface.xwayland, 1);
|
|
else
|
|
#endif
|
|
wlr_xdg_toplevel_set_activated(c->surface.xdg, 1);
|
|
}
|
|
|
|
void
|
|
focusmon(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
|
|
selmon = dirtomon(arg->i);
|
|
focusclient(sel, focustop(selmon), 1);
|
|
}
|
|
|
|
void
|
|
focusstack(const Arg *arg)
|
|
{
|
|
/* Focus the next or previous client (in tiling order) on selmon */
|
|
Client *c, *sel = selclient();
|
|
if (!sel)
|
|
return;
|
|
if (arg->i > 0) {
|
|
wl_list_for_each(c, &sel->link, link) {
|
|
if (&c->link == &clients)
|
|
continue; /* wrap past the sentinel node */
|
|
if (VISIBLEON(c, selmon))
|
|
break; /* found it */
|
|
}
|
|
} else {
|
|
wl_list_for_each_reverse(c, &sel->link, link) {
|
|
if (&c->link == &clients)
|
|
continue; /* wrap past the sentinel node */
|
|
if (VISIBLEON(c, selmon))
|
|
break; /* found it */
|
|
}
|
|
}
|
|
/* If only one client is visible on selmon, then c == sel */
|
|
focusclient(sel, c, 1);
|
|
}
|
|
|
|
Client *
|
|
focustop(Monitor *m)
|
|
{
|
|
Client *c;
|
|
wl_list_for_each(c, &fstack, flink)
|
|
if (VISIBLEON(c, m))
|
|
return c;
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
getxdecomode(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
|
|
wlr_xdg_toplevel_decoration_v1_set_mode(wlr_deco,
|
|
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
|
|
}
|
|
|
|
void
|
|
incnmaster(const Arg *arg)
|
|
{
|
|
selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
|
|
arrange(selmon);
|
|
}
|
|
|
|
void
|
|
inputdevice(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised by the backend when a new input device becomes
|
|
* available. */
|
|
struct wlr_input_device *device = data;
|
|
uint32_t caps;
|
|
switch (device->type) {
|
|
case WLR_INPUT_DEVICE_KEYBOARD:
|
|
createkeyboard(device);
|
|
break;
|
|
case WLR_INPUT_DEVICE_POINTER:
|
|
createpointer(device);
|
|
break;
|
|
default:
|
|
/* XXX handle other input device types */
|
|
break;
|
|
}
|
|
/* We need to let the wlr_seat know what our capabilities are, which is
|
|
* communiciated to the client. In dwl we always have a cursor, even if
|
|
* there are no pointer devices, so we always include that capability. */
|
|
/* XXX do we actually require a cursor? */
|
|
caps = WL_SEAT_CAPABILITY_POINTER;
|
|
if (!wl_list_empty(&keyboards))
|
|
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
|
|
wlr_seat_set_capabilities(seat, caps);
|
|
}
|
|
|
|
int
|
|
keybinding(uint32_t mods, xkb_keysym_t sym)
|
|
{
|
|
/*
|
|
* Here we handle compositor keybindings. This is when the compositor is
|
|
* processing keys, rather than passing them on to the client for its own
|
|
* processing.
|
|
*/
|
|
int handled = 0;
|
|
const Key *k;
|
|
for (k = keys; k < END(keys); k++) {
|
|
if (CLEANMASK(mods) == CLEANMASK(k->mod) &&
|
|
sym == k->keysym && k->func) {
|
|
k->func(&k->arg);
|
|
handled = 1;
|
|
}
|
|
}
|
|
return handled;
|
|
}
|
|
|
|
void
|
|
keypress(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised when a key is pressed or released. */
|
|
Keyboard *kb = wl_container_of(listener, kb, key);
|
|
struct wlr_event_keyboard_key *event = data;
|
|
int i;
|
|
|
|
/* Translate libinput keycode -> xkbcommon */
|
|
uint32_t keycode = event->keycode + 8;
|
|
/* Get a list of keysyms based on the keymap for this keyboard */
|
|
const xkb_keysym_t *syms;
|
|
int nsyms = xkb_state_key_get_syms(
|
|
kb->device->keyboard->xkb_state, keycode, &syms);
|
|
|
|
int handled = 0;
|
|
uint32_t mods = wlr_keyboard_get_modifiers(kb->device->keyboard);
|
|
/* On _press_, attempt to process a compositor keybinding. */
|
|
if (event->state == WLR_KEY_PRESSED)
|
|
for (i = 0; i < nsyms; i++)
|
|
handled = keybinding(mods, syms[i]) || handled;
|
|
|
|
if (!handled) {
|
|
/* Pass unhandled keycodes along to the client. */
|
|
wlr_seat_set_keyboard(seat, kb->device);
|
|
wlr_seat_keyboard_notify_key(seat, event->time_msec,
|
|
event->keycode, event->state);
|
|
}
|
|
}
|
|
|
|
void
|
|
keypressmod(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised when a modifier key, such as shift or alt, is
|
|
* pressed. We simply communicate this to the client. */
|
|
Keyboard *kb = wl_container_of(listener, kb, modifiers);
|
|
/*
|
|
* A seat can only have one keyboard, but this is a limitation of the
|
|
* Wayland protocol - not wlroots. We assign all connected keyboards to the
|
|
* same seat. You can swap out the underlying wlr_keyboard like this and
|
|
* wlr_seat handles this transparently.
|
|
*/
|
|
wlr_seat_set_keyboard(seat, kb->device);
|
|
/* Send modifiers to the client. */
|
|
wlr_seat_keyboard_notify_modifiers(seat,
|
|
&kb->device->keyboard->modifiers);
|
|
}
|
|
|
|
void
|
|
killclient(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
if (!sel)
|
|
return;
|
|
|
|
#ifdef XWAYLAND
|
|
if (sel->type != XDGShell)
|
|
wlr_xwayland_surface_close(sel->surface.xwayland);
|
|
else
|
|
#endif
|
|
wlr_xdg_toplevel_send_close(sel->surface.xdg);
|
|
}
|
|
|
|
void
|
|
maplayersurfacenotify(struct wl_listener *listener, void *data)
|
|
{
|
|
LayerSurface *layersurface = wl_container_of(listener, layersurface, map);
|
|
wlr_surface_send_enter(layersurface->layer_surface->surface, layersurface->layer_surface->output);
|
|
motionnotify(0);
|
|
}
|
|
|
|
void
|
|
maprequest(struct wl_listener *listener, void *data)
|
|
{
|
|
/* Called when the surface is mapped, or ready to display on-screen. */
|
|
Client *c = wl_container_of(listener, c, map);
|
|
|
|
#ifdef XWAYLAND
|
|
if (c->type == X11Unmanaged) {
|
|
/* Insert this independent into independents lists. */
|
|
wl_list_insert(&independents, &c->link);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* Insert this client into client lists. */
|
|
wl_list_insert(&clients, &c->link);
|
|
wl_list_insert(&fstack, &c->flink);
|
|
wl_list_insert(&stack, &c->slink);
|
|
|
|
#ifdef XWAYLAND
|
|
if (c->type != XDGShell) {
|
|
c->geom.x = c->surface.xwayland->x;
|
|
c->geom.y = c->surface.xwayland->y;
|
|
c->geom.width = c->surface.xwayland->width + 2 * c->bw;
|
|
c->geom.height = c->surface.xwayland->height + 2 * c->bw;
|
|
} else
|
|
#endif
|
|
{
|
|
wlr_xdg_surface_get_geometry(c->surface.xdg, &c->geom);
|
|
c->geom.width += 2 * c->bw;
|
|
c->geom.height += 2 * c->bw;
|
|
}
|
|
|
|
/* Set initial monitor, tags, floating status, and focus */
|
|
applyrules(c);
|
|
}
|
|
|
|
void
|
|
monocle(Monitor *m)
|
|
{
|
|
Client *c;
|
|
|
|
wl_list_for_each(c, &clients, link) {
|
|
if (!VISIBLEON(c, m) || c->isfloating)
|
|
continue;
|
|
resize(c, m->w.x, m->w.y, m->w.width, m->w.height, 0);
|
|
}
|
|
}
|
|
|
|
void
|
|
motionabsolute(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is forwarded by the cursor when a pointer emits an _absolute_
|
|
* motion event, from 0..1 on each axis. This happens, for example, when
|
|
* wlroots is running under a Wayland window rather than KMS+DRM, and you
|
|
* move the mouse over the window. You could enter the window from any edge,
|
|
* so we have to warp the mouse there. There is also some hardware which
|
|
* emits these events. */
|
|
struct wlr_event_pointer_motion_absolute *event = data;
|
|
wlr_cursor_warp_absolute(cursor, event->device, event->x, event->y);
|
|
motionnotify(event->time_msec);
|
|
}
|
|
|
|
void
|
|
motionnotify(uint32_t time)
|
|
{
|
|
double sx = 0, sy = 0;
|
|
struct wlr_surface *surface = NULL;
|
|
Client *c = NULL;
|
|
struct timespec now;
|
|
if (!time) {
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
time = now.tv_sec * 1000 + now.tv_nsec / 1000000;
|
|
}
|
|
|
|
/* Update selmon (even while dragging a window) */
|
|
if (sloppyfocus)
|
|
selmon = xytomon(cursor->x, cursor->y);
|
|
|
|
/* If we are currently grabbing the mouse, handle and return */
|
|
if (cursor_mode == CurMove) {
|
|
/* Move the grabbed client to the new position. */
|
|
resize(grabc, cursor->x - grabcx, cursor->y - grabcy,
|
|
grabc->geom.width, grabc->geom.height, 1);
|
|
return;
|
|
} else if (cursor_mode == CurResize) {
|
|
resize(grabc, grabc->geom.x, grabc->geom.y,
|
|
cursor->x - grabc->geom.x,
|
|
cursor->y - grabc->geom.y, 1);
|
|
return;
|
|
}
|
|
|
|
if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
|
|
cursor->x, cursor->y, &sx, &sy)))
|
|
;
|
|
else if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
|
|
cursor->x, cursor->y, &sx, &sy)))
|
|
;
|
|
#ifdef XWAYLAND
|
|
/* Find an independent under the pointer and send the event along. */
|
|
else if ((c = xytoindependent(cursor->x, cursor->y))) {
|
|
surface = wlr_surface_surface_at(c->surface.xwayland->surface,
|
|
cursor->x - c->surface.xwayland->x - c->bw,
|
|
cursor->y - c->surface.xwayland->y - c->bw, &sx, &sy);
|
|
|
|
/* Otherwise, find the client under the pointer and send the event along. */
|
|
}
|
|
#endif
|
|
else if ((c = xytoclient(cursor->x, cursor->y))) {
|
|
#ifdef XWAYLAND
|
|
if (c->type != XDGShell)
|
|
surface = wlr_surface_surface_at(c->surface.xwayland->surface,
|
|
cursor->x - c->geom.x - c->bw,
|
|
cursor->y - c->geom.y - c->bw, &sx, &sy);
|
|
else
|
|
#endif
|
|
surface = wlr_xdg_surface_surface_at(c->surface.xdg,
|
|
cursor->x - c->geom.x - c->bw,
|
|
cursor->y - c->geom.y - c->bw, &sx, &sy);
|
|
}
|
|
else if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
|
|
cursor->x, cursor->y, &sx, &sy)))
|
|
;
|
|
else if ((surface = xytolayersurface(&selmon->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
|
|
cursor->x, cursor->y, &sx, &sy))) { // gcc complains without these braces
|
|
;
|
|
}
|
|
/* If there's no client surface under the cursor, set the cursor image to a
|
|
* default. This is what makes the cursor image appear when you move it
|
|
* off of a client or over its border. */
|
|
if (!surface)
|
|
wlr_xcursor_manager_set_cursor_image(cursor_mgr,
|
|
"left_ptr", cursor);
|
|
|
|
pointerfocus(c, surface, sx, sy, time);
|
|
}
|
|
|
|
void
|
|
motionrelative(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is forwarded by the cursor when a pointer emits a _relative_
|
|
* pointer motion event (i.e. a delta) */
|
|
struct wlr_event_pointer_motion *event = data;
|
|
/* The cursor doesn't move unless we tell it to. The cursor automatically
|
|
* handles constraining the motion to the output layout, as well as any
|
|
* special configuration applied for the specific input device which
|
|
* generated the event. You can pass NULL for the device if you want to move
|
|
* the cursor around without any input. */
|
|
wlr_cursor_move(cursor, event->device,
|
|
event->delta_x, event->delta_y);
|
|
motionnotify(event->time_msec);
|
|
}
|
|
|
|
void
|
|
moveresize(const Arg *arg)
|
|
{
|
|
grabc = xytoclient(cursor->x, cursor->y);
|
|
if (!grabc)
|
|
return;
|
|
|
|
/* Float the window and tell motionnotify to grab it */
|
|
setfloating(grabc, 1);
|
|
switch (cursor_mode = arg->ui) {
|
|
case CurMove:
|
|
grabcx = cursor->x - grabc->geom.x;
|
|
grabcy = cursor->y - grabc->geom.y;
|
|
wlr_xcursor_manager_set_cursor_image(cursor_mgr, "fleur", cursor);
|
|
break;
|
|
case CurResize:
|
|
/* Doesn't work for X11 output - the next absolute motion event
|
|
* returns the cursor to where it started */
|
|
wlr_cursor_warp_closest(cursor, NULL,
|
|
grabc->geom.x + grabc->geom.width,
|
|
grabc->geom.y + grabc->geom.height);
|
|
wlr_xcursor_manager_set_cursor_image(cursor_mgr,
|
|
"bottom_right_corner", cursor);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
pointerfocus(Client *c, struct wlr_surface *surface, double sx, double sy,
|
|
uint32_t time)
|
|
{
|
|
/* Use top level surface if nothing more specific given */
|
|
if (c && !surface)
|
|
surface = WLR_SURFACE(c);
|
|
|
|
/* If surface is NULL, clear pointer focus */
|
|
if (!surface) {
|
|
wlr_seat_pointer_notify_clear_focus(seat);
|
|
return;
|
|
}
|
|
|
|
/* If surface is already focused, only notify of motion */
|
|
if (surface == seat->pointer_state.focused_surface) {
|
|
wlr_seat_pointer_notify_motion(seat, time, sx, sy);
|
|
return;
|
|
}
|
|
|
|
/* Otherwise, let the client know that the mouse cursor has entered one
|
|
* of its surfaces, and make keyboard focus follow if desired. */
|
|
wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
|
|
|
|
if (!c)
|
|
return;
|
|
|
|
#if XWAYLAND
|
|
if (c->type == X11Unmanaged)
|
|
return;
|
|
#endif
|
|
|
|
if (sloppyfocus)
|
|
focusclient(selclient(), c, 0);
|
|
}
|
|
|
|
void
|
|
quit(const Arg *arg)
|
|
{
|
|
wl_display_terminate(dpy);
|
|
}
|
|
|
|
void
|
|
render(struct wlr_surface *surface, int sx, int sy, void *data)
|
|
{
|
|
/* This function is called for every surface that needs to be rendered. */
|
|
struct render_data *rdata = data;
|
|
struct wlr_output *output = rdata->output;
|
|
double ox = 0, oy = 0;
|
|
struct wlr_box obox;
|
|
float matrix[9];
|
|
enum wl_output_transform transform;
|
|
|
|
/* We first obtain a wlr_texture, which is a GPU resource. wlroots
|
|
* automatically handles negotiating these with the client. The underlying
|
|
* resource could be an opaque handle passed from the client, or the client
|
|
* could have sent a pixel buffer which we copied to the GPU, or a few other
|
|
* means. You don't have to worry about this, wlroots takes care of it. */
|
|
struct wlr_texture *texture = wlr_surface_get_texture(surface);
|
|
if (!texture)
|
|
return;
|
|
|
|
/* The client has a position in layout coordinates. If you have two displays,
|
|
* one next to the other, both 1080p, a client on the rightmost display might
|
|
* have layout coordinates of 2000,100. We need to translate that to
|
|
* output-local coordinates, or (2000 - 1920). */
|
|
wlr_output_layout_output_coords(output_layout, output, &ox, &oy);
|
|
|
|
/* We also have to apply the scale factor for HiDPI outputs. This is only
|
|
* part of the puzzle, dwl does not fully support HiDPI. */
|
|
obox.x = ox + rdata->x + sx;
|
|
obox.y = oy + rdata->y + sy;
|
|
obox.width = surface->current.width;
|
|
obox.height = surface->current.height;
|
|
scalebox(&obox, output->scale);
|
|
|
|
/*
|
|
* Those familiar with OpenGL are also familiar with the role of matrices
|
|
* in graphics programming. We need to prepare a matrix to render the
|
|
* client with. wlr_matrix_project_box is a helper which takes a box with
|
|
* a desired x, y coordinates, width and height, and an output geometry,
|
|
* then prepares an orthographic projection and multiplies the necessary
|
|
* transforms to produce a model-view-projection matrix.
|
|
*
|
|
* Naturally you can do this any way you like, for example to make a 3D
|
|
* compositor.
|
|
*/
|
|
transform = wlr_output_transform_invert(surface->current.transform);
|
|
wlr_matrix_project_box(matrix, &obox, transform, 0,
|
|
output->transform_matrix);
|
|
|
|
/* This takes our matrix, the texture, and an alpha, and performs the actual
|
|
* rendering on the GPU. */
|
|
wlr_render_texture_with_matrix(drw, texture, matrix, 1);
|
|
|
|
/* This lets the client know that we've displayed that frame and it can
|
|
* prepare another one now if it likes. */
|
|
wlr_surface_send_frame_done(surface, rdata->when);
|
|
}
|
|
|
|
void
|
|
renderclients(Monitor *m, struct timespec *now)
|
|
{
|
|
Client *c, *sel = selclient();
|
|
const float *color;
|
|
double ox, oy;
|
|
int i, w, h;
|
|
struct render_data rdata;
|
|
struct wlr_box *borders;
|
|
struct wlr_surface *surface;
|
|
/* Each subsequent window we render is rendered on top of the last. Because
|
|
* our stacking list is ordered front-to-back, we iterate over it backwards. */
|
|
wl_list_for_each_reverse(c, &stack, slink) {
|
|
/* Only render visible clients which show on this monitor */
|
|
if (!VISIBLEON(c, c->mon) || !wlr_output_layout_intersects(
|
|
output_layout, m->wlr_output, &c->geom))
|
|
continue;
|
|
|
|
surface = WLR_SURFACE(c);
|
|
ox = c->geom.x, oy = c->geom.y;
|
|
wlr_output_layout_output_coords(output_layout, m->wlr_output,
|
|
&ox, &oy);
|
|
w = surface->current.width;
|
|
h = surface->current.height;
|
|
borders = (struct wlr_box[4]) {
|
|
{ox, oy, w + 2 * c->bw, c->bw}, /* top */
|
|
{ox, oy + c->bw, c->bw, h}, /* left */
|
|
{ox + c->bw + w, oy + c->bw, c->bw, h}, /* right */
|
|
{ox, oy + c->bw + h, w + 2 * c->bw, c->bw}, /* bottom */
|
|
};
|
|
|
|
/* Draw window borders */
|
|
color = (c == sel) ? focuscolor : bordercolor;
|
|
for (i = 0; i < 4; i++) {
|
|
scalebox(&borders[i], m->wlr_output->scale);
|
|
wlr_render_rect(drw, &borders[i], color,
|
|
m->wlr_output->transform_matrix);
|
|
}
|
|
|
|
/* This calls our render function for each surface among the
|
|
* xdg_surface's toplevel and popups. */
|
|
rdata.output = m->wlr_output;
|
|
rdata.when = now;
|
|
rdata.x = c->geom.x + c->bw;
|
|
rdata.y = c->geom.y + c->bw;
|
|
#ifdef XWAYLAND
|
|
if (c->type != XDGShell)
|
|
wlr_surface_for_each_surface(c->surface.xwayland->surface, render, &rdata);
|
|
else
|
|
#endif
|
|
wlr_xdg_surface_for_each_surface(c->surface.xdg, render, &rdata);
|
|
}
|
|
}
|
|
|
|
void
|
|
renderlayer(struct wl_list *layer_surfaces, struct timespec *now)
|
|
{
|
|
struct render_data rdata;
|
|
LayerSurface *layersurface;
|
|
wl_list_for_each(layersurface, layer_surfaces, link) {
|
|
rdata.output = layersurface->layer_surface->output;
|
|
rdata.when = now;
|
|
rdata.x = layersurface->geo.x;
|
|
rdata.y = layersurface->geo.y;
|
|
|
|
wlr_surface_for_each_surface(layersurface->layer_surface->surface,
|
|
render, &rdata);
|
|
}
|
|
}
|
|
|
|
void
|
|
rendermon(struct wl_listener *listener, void *data)
|
|
{
|
|
Client *c;
|
|
int render = 1;
|
|
|
|
/* This function is called every time an output is ready to display a frame,
|
|
* generally at the output's refresh rate (e.g. 60Hz). */
|
|
Monitor *m = wl_container_of(listener, m, frame);
|
|
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
|
|
/* Do not render if any XDG clients have an outstanding resize. */
|
|
wl_list_for_each(c, &stack, slink) {
|
|
if (c->resize) {
|
|
wlr_surface_send_frame_done(WLR_SURFACE(c), &now);
|
|
render = 0;
|
|
}
|
|
}
|
|
|
|
/* wlr_output_attach_render makes the OpenGL context current. */
|
|
if (!wlr_output_attach_render(m->wlr_output, NULL))
|
|
return;
|
|
|
|
if (render) {
|
|
/* Begin the renderer (calls glViewport and some other GL sanity checks) */
|
|
wlr_renderer_begin(drw, m->wlr_output->width, m->wlr_output->height);
|
|
wlr_renderer_clear(drw, rootcolor);
|
|
|
|
renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], &now);
|
|
renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], &now);
|
|
renderclients(m, &now);
|
|
#ifdef XWAYLAND
|
|
renderindependents(m->wlr_output, &now);
|
|
#endif
|
|
renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], &now);
|
|
renderlayer(&m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], &now);
|
|
|
|
/* Hardware cursors are rendered by the GPU on a separate plane, and can be
|
|
* moved around without re-rendering what's beneath them - which is more
|
|
* efficient. However, not all hardware supports hardware cursors. For this
|
|
* reason, wlroots provides a software fallback, which we ask it to render
|
|
* here. wlr_cursor handles configuring hardware vs software cursors for you,
|
|
* and this function is a no-op when hardware cursors are in use. */
|
|
wlr_output_render_software_cursors(m->wlr_output, NULL);
|
|
|
|
/* Conclude rendering and swap the buffers, showing the final frame
|
|
* on-screen. */
|
|
wlr_renderer_end(drw);
|
|
}
|
|
|
|
wlr_output_commit(m->wlr_output);
|
|
}
|
|
|
|
void
|
|
resize(Client *c, int x, int y, int w, int h, int interact)
|
|
{
|
|
/*
|
|
* Note that I took some shortcuts here. In a more fleshed-out
|
|
* compositor, you'd wait for the client to prepare a buffer at
|
|
* the new size, then commit any movement that was prepared.
|
|
*/
|
|
struct wlr_box *bbox = interact ? &sgeom : &c->mon->w;
|
|
c->geom.x = x;
|
|
c->geom.y = y;
|
|
c->geom.width = w;
|
|
c->geom.height = h;
|
|
applybounds(c, bbox);
|
|
/* wlroots makes this a no-op if size hasn't changed */
|
|
#ifdef XWAYLAND
|
|
if (c->type != XDGShell)
|
|
wlr_xwayland_surface_configure(c->surface.xwayland,
|
|
c->geom.x, c->geom.y,
|
|
c->geom.width - 2 * c->bw, c->geom.height - 2 * c->bw);
|
|
else
|
|
#endif
|
|
c->resize = wlr_xdg_toplevel_set_size(c->surface.xdg,
|
|
c->geom.width - 2 * c->bw, c->geom.height - 2 * c->bw);
|
|
}
|
|
|
|
void
|
|
run(char *startup_cmd)
|
|
{
|
|
pid_t startup_pid = -1;
|
|
|
|
/* Add a Unix socket to the Wayland display. */
|
|
const char *socket = wl_display_add_socket_auto(dpy);
|
|
if (!socket)
|
|
BARF("startup: display_add_socket_auto");
|
|
|
|
/* Start the backend. This will enumerate outputs and inputs, become the DRM
|
|
* master, etc */
|
|
if (!wlr_backend_start(backend))
|
|
BARF("startup: backend_start");
|
|
|
|
/* Now that outputs are initialized, choose initial selmon based on
|
|
* cursor position, and set default cursor image */
|
|
selmon = xytomon(cursor->x, cursor->y);
|
|
|
|
/* XXX hack to get cursor to display in its initial location (100, 100)
|
|
* instead of (0, 0) and then jumping. still may not be fully
|
|
* initialized, as the image/coordinates are not transformed for the
|
|
* monitor when displayed here */
|
|
wlr_cursor_warp_closest(cursor, NULL, cursor->x, cursor->y);
|
|
wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor);
|
|
|
|
/* Set the WAYLAND_DISPLAY environment variable to our socket and run the
|
|
* startup command if requested. */
|
|
setenv("WAYLAND_DISPLAY", socket, 1);
|
|
if (startup_cmd) {
|
|
startup_pid = fork();
|
|
if (startup_pid < 0)
|
|
EBARF("startup: fork");
|
|
if (startup_pid == 0) {
|
|
execl("/bin/sh", "/bin/sh", "-c", startup_cmd, (void *)NULL);
|
|
EBARF("startup: execl");
|
|
}
|
|
}
|
|
/* Run the Wayland event loop. This does not return until you exit the
|
|
* compositor. Starting the backend rigged up all of the necessary event
|
|
* loop configuration to listen to libinput events, DRM events, generate
|
|
* frame events at the refresh rate, and so on. */
|
|
wl_display_run(dpy);
|
|
|
|
if (startup_cmd) {
|
|
kill(startup_pid, SIGTERM);
|
|
waitpid(startup_pid, NULL, 0);
|
|
}
|
|
}
|
|
|
|
void
|
|
scalebox(struct wlr_box *box, float scale)
|
|
{
|
|
box->x *= scale;
|
|
box->y *= scale;
|
|
box->width *= scale;
|
|
box->height *= scale;
|
|
}
|
|
|
|
Client *
|
|
selclient(void)
|
|
{
|
|
Client *c = wl_container_of(fstack.next, c, flink);
|
|
if (wl_list_empty(&fstack) || !VISIBLEON(c, selmon))
|
|
return NULL;
|
|
return c;
|
|
}
|
|
|
|
void
|
|
setcursor(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised by the seat when a client provides a cursor image */
|
|
struct wlr_seat_pointer_request_set_cursor_event *event = data;
|
|
/* If we're "grabbing" the cursor, don't use the client's image */
|
|
/* XXX still need to save the provided surface to restore later */
|
|
if (cursor_mode != CurNormal)
|
|
return;
|
|
/* This can be sent by any client, so we check to make sure this one is
|
|
* actually has pointer focus first. If so, we can tell the cursor to
|
|
* use the provided surface as the cursor image. It will set the
|
|
* hardware cursor on the output that it's currently on and continue to
|
|
* do so as the cursor moves between outputs. */
|
|
if (event->seat_client == seat->pointer_state.focused_client)
|
|
wlr_cursor_set_surface(cursor, event->surface,
|
|
event->hotspot_x, event->hotspot_y);
|
|
}
|
|
|
|
void
|
|
setfloating(Client *c, int floating)
|
|
{
|
|
if (c->isfloating == floating)
|
|
return;
|
|
c->isfloating = floating;
|
|
arrange(c->mon);
|
|
}
|
|
|
|
void
|
|
setlayout(const Arg *arg)
|
|
{
|
|
if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
|
|
selmon->sellt ^= 1;
|
|
if (arg && arg->v)
|
|
selmon->lt[selmon->sellt] = (Layout *)arg->v;
|
|
/* XXX change layout symbol? */
|
|
arrange(selmon);
|
|
}
|
|
|
|
/* arg > 1.0 will set mfact absolutely */
|
|
void
|
|
setmfact(const Arg *arg)
|
|
{
|
|
float f;
|
|
|
|
if (!arg || !selmon->lt[selmon->sellt]->arrange)
|
|
return;
|
|
f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
|
|
if (f < 0.1 || f > 0.9)
|
|
return;
|
|
selmon->mfact = f;
|
|
arrange(selmon);
|
|
}
|
|
|
|
void
|
|
setmon(Client *c, Monitor *m, unsigned int newtags)
|
|
{
|
|
Monitor *oldmon = c->mon;
|
|
Client *oldsel = selclient();
|
|
|
|
if (oldmon == m)
|
|
return;
|
|
c->mon = m;
|
|
|
|
/* XXX leave/enter is not optimal but works */
|
|
if (oldmon) {
|
|
wlr_surface_send_leave(WLR_SURFACE(c), oldmon->wlr_output);
|
|
arrange(oldmon);
|
|
}
|
|
if (m) {
|
|
/* Make sure window actually overlaps with the monitor */
|
|
applybounds(c, &m->m);
|
|
wlr_surface_send_enter(WLR_SURFACE(c), m->wlr_output);
|
|
c->tags = newtags ? newtags : m->tagset[m->seltags]; /* assign tags of target monitor */
|
|
arrange(m);
|
|
}
|
|
focusclient(oldsel, focustop(selmon), 1);
|
|
}
|
|
|
|
void
|
|
setpsel(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised by the seat when a client wants to set the selection,
|
|
* usually when the user copies something. wlroots allows compositors to
|
|
* ignore such requests if they so choose, but in dwl we always honor
|
|
*/
|
|
struct wlr_seat_request_set_primary_selection_event *event = data;
|
|
wlr_seat_set_primary_selection(seat, event->source, event->serial);
|
|
}
|
|
|
|
void
|
|
setsel(struct wl_listener *listener, void *data)
|
|
{
|
|
/* This event is raised by the seat when a client wants to set the selection,
|
|
* usually when the user copies something. wlroots allows compositors to
|
|
* ignore such requests if they so choose, but in dwl we always honor
|
|
*/
|
|
struct wlr_seat_request_set_selection_event *event = data;
|
|
wlr_seat_set_selection(seat, event->source, event->serial);
|
|
}
|
|
|
|
void
|
|
setup(void)
|
|
{
|
|
/* The Wayland display is managed by libwayland. It handles accepting
|
|
* clients from the Unix socket, manging Wayland globals, and so on. */
|
|
dpy = wl_display_create();
|
|
|
|
/* clean up child processes immediately */
|
|
sigchld(0);
|
|
|
|
/* The backend is a wlroots feature which abstracts the underlying input and
|
|
* output hardware. The autocreate option will choose the most suitable
|
|
* backend based on the current environment, such as opening an X11 window
|
|
* if an X11 server is running. The NULL argument here optionally allows you
|
|
* to pass in a custom renderer if wlr_renderer doesn't meet your needs. The
|
|
* backend uses the renderer, for example, to fall back to software cursors
|
|
* if the backend does not support hardware cursors (some older GPUs
|
|
* don't). */
|
|
if (!(backend = wlr_backend_autocreate(dpy, NULL)))
|
|
BARF("couldn't create backend");
|
|
|
|
/* If we don't provide a renderer, autocreate makes a GLES2 renderer for us.
|
|
* The renderer is responsible for defining the various pixel formats it
|
|
* supports for shared memory, this configures that for clients. */
|
|
drw = wlr_backend_get_renderer(backend);
|
|
wlr_renderer_init_wl_display(drw, dpy);
|
|
|
|
/* This creates some hands-off wlroots interfaces. The compositor is
|
|
* necessary for clients to allocate surfaces and the data device manager
|
|
* handles the clipboard. Each of these wlroots interfaces has room for you
|
|
* to dig your fingers in and play with their behavior if you want. Note that
|
|
* the clients cannot set the selection directly without compositor approval,
|
|
* see the setsel() function. */
|
|
compositor = wlr_compositor_create(dpy, drw);
|
|
wlr_export_dmabuf_manager_v1_create(dpy);
|
|
wlr_screencopy_manager_v1_create(dpy);
|
|
wlr_data_device_manager_create(dpy);
|
|
wlr_gamma_control_manager_v1_create(dpy);
|
|
wlr_primary_selection_v1_device_manager_create(dpy);
|
|
wlr_viewporter_create(dpy);
|
|
|
|
/* Creates an output layout, which a wlroots utility for working with an
|
|
* arrangement of screens in a physical layout. */
|
|
output_layout = wlr_output_layout_create();
|
|
wlr_xdg_output_manager_v1_create(dpy, output_layout);
|
|
|
|
/* Configure a listener to be notified when new outputs are available on the
|
|
* backend. */
|
|
wl_list_init(&mons);
|
|
wl_signal_add(&backend->events.new_output, &new_output);
|
|
|
|
/* Set up our client lists and the xdg-shell. The xdg-shell is a
|
|
* Wayland protocol which is used for application windows. For more
|
|
* detail on shells, refer to the article:
|
|
*
|
|
* https://drewdevault.com/2018/07/29/Wayland-shells.html
|
|
*/
|
|
wl_list_init(&clients);
|
|
wl_list_init(&fstack);
|
|
wl_list_init(&stack);
|
|
wl_list_init(&independents);
|
|
|
|
layer_shell = wlr_layer_shell_v1_create(dpy);
|
|
wl_signal_add(&layer_shell->events.new_surface, &new_layer_shell_surface);
|
|
|
|
xdg_shell = wlr_xdg_shell_create(dpy);
|
|
wl_signal_add(&xdg_shell->events.new_surface, &new_xdg_surface);
|
|
|
|
/* Use xdg_decoration protocol to negotiate server-side decorations */
|
|
xdeco_mgr = wlr_xdg_decoration_manager_v1_create(dpy);
|
|
wl_signal_add(&xdeco_mgr->events.new_toplevel_decoration, &new_xdeco);
|
|
|
|
/*
|
|
* Creates a cursor, which is a wlroots utility for tracking the cursor
|
|
* image shown on screen.
|
|
*/
|
|
cursor = wlr_cursor_create();
|
|
wlr_cursor_attach_output_layout(cursor, output_layout);
|
|
|
|
/* Creates an xcursor manager, another wlroots utility which loads up
|
|
* Xcursor themes to source cursor images from and makes sure that cursor
|
|
* images are available at all scale factors on the screen (necessary for
|
|
* HiDPI support). Scaled cursors will be loaded with each output. */
|
|
cursor_mgr = wlr_xcursor_manager_create(NULL, 24);
|
|
|
|
/*
|
|
* wlr_cursor *only* displays an image on screen. It does not move around
|
|
* when the pointer moves. However, we can attach input devices to it, and
|
|
* it will generate aggregate events for all of them. In these events, we
|
|
* can choose how we want to process them, forwarding them to clients and
|
|
* moving the cursor around. More detail on this process is described in my
|
|
* input handling blog post:
|
|
*
|
|
* https://drewdevault.com/2018/07/17/Input-handling-in-wlroots.html
|
|
*
|
|
* And more comments are sprinkled throughout the notify functions above.
|
|
*/
|
|
wl_signal_add(&cursor->events.motion, &cursor_motion);
|
|
wl_signal_add(&cursor->events.motion_absolute,
|
|
&cursor_motion_absolute);
|
|
wl_signal_add(&cursor->events.button, &cursor_button);
|
|
wl_signal_add(&cursor->events.axis, &cursor_axis);
|
|
wl_signal_add(&cursor->events.frame, &cursor_frame);
|
|
|
|
/*
|
|
* Configures a seat, which is a single "seat" at which a user sits and
|
|
* operates the computer. This conceptually includes up to one keyboard,
|
|
* pointer, touch, and drawing tablet device. We also rig up a listener to
|
|
* let us know when new input devices are available on the backend.
|
|
*/
|
|
wl_list_init(&keyboards);
|
|
wl_signal_add(&backend->events.new_input, &new_input);
|
|
seat = wlr_seat_create(dpy, "seat0");
|
|
wl_signal_add(&seat->events.request_set_cursor,
|
|
&request_cursor);
|
|
wl_signal_add(&seat->events.request_set_selection,
|
|
&request_set_sel);
|
|
wl_signal_add(&seat->events.request_set_primary_selection,
|
|
&request_set_psel);
|
|
|
|
#ifdef XWAYLAND
|
|
/*
|
|
* Initialise the XWayland X server.
|
|
* It will be started when the first X client is started.
|
|
*/
|
|
xwayland = wlr_xwayland_create(dpy, compositor, true);
|
|
if (xwayland) {
|
|
wl_signal_add(&xwayland->events.ready, &xwayland_ready);
|
|
wl_signal_add(&xwayland->events.new_surface, &new_xwayland_surface);
|
|
|
|
setenv("DISPLAY", xwayland->display_name, true);
|
|
} else {
|
|
fprintf(stderr, "failed to setup XWayland X server, continuing without it\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
sigchld(int unused)
|
|
{
|
|
if (signal(SIGCHLD, sigchld) == SIG_ERR)
|
|
EBARF("can't install SIGCHLD handler");
|
|
while (0 < waitpid(-1, NULL, WNOHANG))
|
|
;
|
|
}
|
|
|
|
void
|
|
spawn(const Arg *arg)
|
|
{
|
|
if (fork() == 0) {
|
|
setsid();
|
|
execvp(((char **)arg->v)[0], (char **)arg->v);
|
|
EBARF("dwl: execvp %s failed", ((char **)arg->v)[0]);
|
|
}
|
|
}
|
|
|
|
void
|
|
tag(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
if (sel && arg->ui & TAGMASK) {
|
|
sel->tags = arg->ui & TAGMASK;
|
|
focusclient(sel, focustop(selmon), 1);
|
|
arrange(selmon);
|
|
}
|
|
}
|
|
|
|
void
|
|
tagmon(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
if (!sel)
|
|
return;
|
|
setmon(sel, dirtomon(arg->i), 0);
|
|
}
|
|
|
|
void
|
|
tile(Monitor *m)
|
|
{
|
|
unsigned int i, n = 0, h, mw, my, ty;
|
|
Client *c;
|
|
|
|
wl_list_for_each(c, &clients, link)
|
|
if (VISIBLEON(c, m) && !c->isfloating)
|
|
n++;
|
|
if (n == 0)
|
|
return;
|
|
|
|
if (n > m->nmaster)
|
|
mw = m->nmaster ? m->w.width * m->mfact : 0;
|
|
else
|
|
mw = m->w.width;
|
|
i = my = ty = 0;
|
|
wl_list_for_each(c, &clients, link) {
|
|
if (!VISIBLEON(c, m) || c->isfloating)
|
|
continue;
|
|
if (i < m->nmaster) {
|
|
h = (m->w.height - my) / (MIN(n, m->nmaster) - i);
|
|
resize(c, m->w.x, m->w.y + my, mw, h, 0);
|
|
my += c->geom.height;
|
|
} else {
|
|
h = (m->w.height - ty) / (n - i);
|
|
resize(c, m->w.x + mw, m->w.y + ty, m->w.width - mw, h, 0);
|
|
ty += c->geom.height;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
void
|
|
togglefloating(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
if (!sel)
|
|
return;
|
|
/* return if fullscreen */
|
|
setfloating(sel, !sel->isfloating /* || sel->isfixed */);
|
|
}
|
|
|
|
void
|
|
toggletag(const Arg *arg)
|
|
{
|
|
unsigned int newtags;
|
|
Client *sel = selclient();
|
|
if (!sel)
|
|
return;
|
|
newtags = sel->tags ^ (arg->ui & TAGMASK);
|
|
if (newtags) {
|
|
sel->tags = newtags;
|
|
focusclient(sel, focustop(selmon), 1);
|
|
arrange(selmon);
|
|
}
|
|
}
|
|
|
|
void
|
|
toggleview(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
|
|
|
|
if (newtagset) {
|
|
selmon->tagset[selmon->seltags] = newtagset;
|
|
focusclient(sel, focustop(selmon), 1);
|
|
arrange(selmon);
|
|
}
|
|
}
|
|
|
|
void
|
|
unmaplayersurface(LayerSurface *layersurface)
|
|
{
|
|
if (layersurface->layer_surface->surface ==
|
|
seat->keyboard_state.focused_surface)
|
|
focusclient(NULL, selclient(), 1);
|
|
motionnotify(0); // XXX why doesn't this work?
|
|
}
|
|
|
|
void
|
|
unmaplayersurfacenotify(struct wl_listener *listener, void *data)
|
|
{
|
|
LayerSurface *layersurface = wl_container_of(listener, layersurface, unmap);
|
|
unmaplayersurface(layersurface);
|
|
}
|
|
|
|
void
|
|
unmapnotify(struct wl_listener *listener, void *data)
|
|
{
|
|
/* Called when the surface is unmapped, and should no longer be shown. */
|
|
Client *c = wl_container_of(listener, c, unmap);
|
|
wl_list_remove(&c->link);
|
|
#ifdef XWAYLAND
|
|
if (c->type == X11Unmanaged)
|
|
return;
|
|
#endif
|
|
setmon(c, NULL, 0);
|
|
wl_list_remove(&c->flink);
|
|
wl_list_remove(&c->slink);
|
|
}
|
|
|
|
void
|
|
view(const Arg *arg)
|
|
{
|
|
Client *sel = selclient();
|
|
if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
|
|
return;
|
|
selmon->seltags ^= 1; /* toggle sel tagset */
|
|
if (arg->ui & TAGMASK)
|
|
selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
|
|
focusclient(sel, focustop(selmon), 1);
|
|
arrange(selmon);
|
|
}
|
|
|
|
Client *
|
|
xytoclient(double x, double y)
|
|
{
|
|
/* Find the topmost visible client (if any) at point (x, y), including
|
|
* borders. This relies on stack being ordered from top to bottom. */
|
|
Client *c;
|
|
wl_list_for_each(c, &stack, slink)
|
|
if (VISIBLEON(c, c->mon) && wlr_box_contains_point(&c->geom, x, y))
|
|
return c;
|
|
return NULL;
|
|
}
|
|
|
|
struct wlr_surface *
|
|
xytolayersurface(struct wl_list *layer_surfaces, double x, double y,
|
|
double *sx, double *sy)
|
|
{
|
|
LayerSurface *layersurface;
|
|
wl_list_for_each_reverse(layersurface, layer_surfaces, link) {
|
|
struct wlr_surface *sub = wlr_layer_surface_v1_surface_at(
|
|
layersurface->layer_surface,
|
|
x - layersurface->geo.x,
|
|
y - layersurface->geo.y,
|
|
sx, sy);
|
|
if (sub)
|
|
return sub;
|
|
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
Monitor *
|
|
xytomon(double x, double y)
|
|
{
|
|
struct wlr_output *o = wlr_output_layout_output_at(output_layout, x, y);
|
|
return o ? o->data : NULL;
|
|
}
|
|
|
|
void
|
|
zoom(const Arg *arg)
|
|
{
|
|
Client *c, *sel = selclient(), *oldsel = sel;
|
|
|
|
if (!sel || !selmon->lt[selmon->sellt]->arrange || sel->isfloating)
|
|
return;
|
|
|
|
/* Search for the first tiled window that is not sel, marking sel as
|
|
* NULL if we pass it along the way */
|
|
wl_list_for_each(c, &clients, link)
|
|
if (VISIBLEON(c, selmon) && !c->isfloating) {
|
|
if (c != sel)
|
|
break;
|
|
sel = NULL;
|
|
}
|
|
|
|
/* Return if no other tiled window was found */
|
|
if (&c->link == &clients)
|
|
return;
|
|
|
|
/* If we passed sel, move c to the front; otherwise, move sel to the
|
|
* front */
|
|
if (!sel)
|
|
sel = c;
|
|
wl_list_remove(&sel->link);
|
|
wl_list_insert(&clients, &sel->link);
|
|
|
|
focusclient(oldsel, sel, 1);
|
|
arrange(selmon);
|
|
}
|
|
|
|
#ifdef XWAYLAND
|
|
void
|
|
activatex11(struct wl_listener *listener, void *data)
|
|
{
|
|
Client *c = wl_container_of(listener, c, activate);
|
|
|
|
/* Only "managed" windows can be activated */
|
|
if (c->type == X11Managed)
|
|
wlr_xwayland_surface_activate(c->surface.xwayland, 1);
|
|
}
|
|
|
|
void
|
|
createnotifyx11(struct wl_listener *listener, void *data)
|
|
{
|
|
struct wlr_xwayland_surface *xwayland_surface = data;
|
|
Client *c;
|
|
|
|
/* Allocate a Client for this surface */
|
|
c = xwayland_surface->data = calloc(1, sizeof(*c));
|
|
c->surface.xwayland = xwayland_surface;
|
|
c->type = xwayland_surface->override_redirect ? X11Unmanaged : X11Managed;
|
|
c->bw = borderpx;
|
|
|
|
/* Listen to the various events it can emit */
|
|
c->map.notify = maprequest;
|
|
wl_signal_add(&xwayland_surface->events.map, &c->map);
|
|
c->unmap.notify = unmapnotify;
|
|
wl_signal_add(&xwayland_surface->events.unmap, &c->unmap);
|
|
c->activate.notify = activatex11;
|
|
wl_signal_add(&xwayland_surface->events.request_activate, &c->activate);
|
|
c->destroy.notify = destroynotify;
|
|
wl_signal_add(&xwayland_surface->events.destroy, &c->destroy);
|
|
}
|
|
|
|
Atom
|
|
getatom(xcb_connection_t *xc, const char *name)
|
|
{
|
|
Atom atom = 0;
|
|
xcb_intern_atom_cookie_t cookie;
|
|
xcb_intern_atom_reply_t *reply;
|
|
|
|
cookie = xcb_intern_atom(xc, 0, strlen(name), name);
|
|
if ((reply = xcb_intern_atom_reply(xc, cookie, NULL)))
|
|
atom = reply->atom;
|
|
free(reply);
|
|
|
|
return atom;
|
|
}
|
|
|
|
void
|
|
renderindependents(struct wlr_output *output, struct timespec *now)
|
|
{
|
|
Client *c;
|
|
struct render_data rdata;
|
|
struct wlr_box geom;
|
|
|
|
wl_list_for_each_reverse(c, &independents, link) {
|
|
geom.x = c->surface.xwayland->x;
|
|
geom.y = c->surface.xwayland->y;
|
|
geom.width = c->surface.xwayland->width;
|
|
geom.height = c->surface.xwayland->height;
|
|
|
|
/* Only render visible clients which show on this output */
|
|
if (!wlr_output_layout_intersects(output_layout, output, &geom))
|
|
continue;
|
|
|
|
rdata.output = output;
|
|
rdata.when = now;
|
|
rdata.x = c->surface.xwayland->x;
|
|
rdata.y = c->surface.xwayland->y;
|
|
|
|
wlr_surface_for_each_surface(c->surface.xwayland->surface, render, &rdata);
|
|
}
|
|
}
|
|
|
|
void
|
|
updatewindowtype(Client *c)
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < c->surface.xwayland->window_type_len; i++)
|
|
if (c->surface.xwayland->window_type[i] == netatom[NetWMWindowTypeDialog] ||
|
|
c->surface.xwayland->window_type[i] == netatom[NetWMWindowTypeSplash] ||
|
|
c->surface.xwayland->window_type[i] == netatom[NetWMWindowTypeToolbar] ||
|
|
c->surface.xwayland->window_type[i] == netatom[NetWMWindowTypeUtility])
|
|
c->isfloating = 1;
|
|
}
|
|
|
|
void
|
|
xwaylandready(struct wl_listener *listener, void *data)
|
|
{
|
|
xcb_connection_t *xc = xcb_connect(xwayland->display_name, NULL);
|
|
int err = xcb_connection_has_error(xc);
|
|
if (err) {
|
|
fprintf(stderr, "xcb_connect to X server failed with code %d\n. Continuing with degraded functionality.\n", err);
|
|
return;
|
|
}
|
|
|
|
/* Collect atoms we are interested in. If getatom returns 0, we will
|
|
* not detect that window type. */
|
|
netatom[NetWMWindowTypeDialog] = getatom(xc, "_NET_WM_WINDOW_TYPE_DIALOG");
|
|
netatom[NetWMWindowTypeSplash] = getatom(xc, "_NET_WM_WINDOW_TYPE_SPLASH");
|
|
netatom[NetWMWindowTypeUtility] = getatom(xc, "_NET_WM_WINDOW_TYPE_TOOLBAR");
|
|
netatom[NetWMWindowTypeToolbar] = getatom(xc, "_NET_WM_WINDOW_TYPE_UTILITY");
|
|
|
|
/* assign the one and only seat */
|
|
wlr_xwayland_set_seat(xwayland, seat);
|
|
|
|
xcb_disconnect(xc);
|
|
}
|
|
|
|
Client *
|
|
xytoindependent(double x, double y)
|
|
{
|
|
/* Find the topmost visible independent at point (x, y).
|
|
* For independents, the most recently created can be used as the "top".
|
|
* We rely on the X11 convention of unmapping unmanaged when the "owning"
|
|
* client loses focus, which ensures that unmanaged are only visible on
|
|
* the current tag. */
|
|
Client *c;
|
|
struct wlr_box geom;
|
|
wl_list_for_each_reverse(c, &independents, link) {
|
|
geom.x = c->surface.xwayland->x;
|
|
geom.y = c->surface.xwayland->y;
|
|
geom.width = c->surface.xwayland->width;
|
|
geom.height = c->surface.xwayland->height;
|
|
if (wlr_box_contains_point(&geom, x, y))
|
|
return c;
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
char *startup_cmd = NULL;
|
|
int c;
|
|
|
|
while ((c = getopt(argc, argv, "s:h")) != -1) {
|
|
if (c == 's')
|
|
startup_cmd = optarg;
|
|
else
|
|
goto usage;
|
|
}
|
|
if (optind < argc)
|
|
goto usage;
|
|
|
|
// Wayland requires XDG_RUNTIME_DIR for creating its communications
|
|
// socket
|
|
if (!getenv("XDG_RUNTIME_DIR"))
|
|
BARF("XDG_RUNTIME_DIR must be set");
|
|
setup();
|
|
run(startup_cmd);
|
|
cleanup();
|
|
return EXIT_SUCCESS;
|
|
|
|
usage:
|
|
BARF("Usage: %s [-s startup command]", argv[0]);
|
|
}
|