layouts: tile and floating

Behavior's still a little wonky but positioning is there.
This commit is contained in:
Devin J. Pohly 2020-04-22 08:25:43 -05:00
parent 6f9f1b9e05
commit 3707e0115a
2 changed files with 109 additions and 9 deletions

View file

@ -1,14 +1,21 @@
/* appearance */
static const float rootcolor[] = {0.3, 0.3, 0.3, 1.0};
/* layout(s) */
static const Layout layouts[] = {
/* symbol arrange function */
{ "[]=", tile },
{ "><>", NULL }, /* no layout function means floating behavior */
};
/* monitors */
static const MonitorRule monrules[] = {
/* name scale */
{ "X11-1", 1 },
{ "eDP-1", 2 },
{ "HDMI-A-1", 1 },
/* defaults */
{ NULL, 1 },
/* name mfact nmaster scale layout */
{ "X11-1", 0.5, 1, 1, &layouts[0] },
{ "eDP-1", 0.5, 1, 2, &layouts[0] },
{ "HDMI-A-1", 0.5, 1, 1, &layouts[0] },
/* defaults (required) */
{ NULL, 0.5, 1, 1, &layouts[0] },
};
/* keyboard */

99
dwl.c
View file

@ -29,7 +29,10 @@
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
/* macros */
#define MIN(A, B) ((A) < (B) ? (A) : (B))
#define CLEANMASK(mask) (mask & ~WLR_MODIFIER_CAPS)
#define VISIBLEON(C, M) ((C)->mon == (M))
#define LENGTH(X) (sizeof X / sizeof X[0])
/* enums */
@ -49,6 +52,7 @@ typedef struct {
const Arg arg;
} Button;
typedef struct Monitor Monitor;
typedef struct {
struct wl_list link;
struct wlr_xdg_surface *xdg_surface;
@ -57,7 +61,8 @@ typedef struct {
struct wl_listener destroy;
struct wl_listener request_move;
struct wl_listener request_resize;
int x, y;
Monitor *mon;
int x, y; /* layout-relative */
} Client;
typedef struct {
@ -76,14 +81,28 @@ typedef struct {
} Keyboard;
typedef struct {
const char *symbol;
void (*arrange)(Monitor *);
} Layout;
struct Monitor {
struct wl_list link;
struct wlr_output *wlr_output;
struct wl_listener frame;
} Monitor;
struct wlr_box *geom; /* layout-relative */
int wx, wy, ww, wh; /* layout-relative */
const Layout *lt[2];
unsigned int sellt;
double mfact;
int nmaster;
};
typedef struct {
const char *name;
float mfact;
int nmaster;
float scale;
const Layout *lt;
} MonitorRule;
/* Used to move all of the data necessary to render a surface from the top-level
@ -91,10 +110,11 @@ typedef struct {
struct render_data {
struct wlr_output *output;
struct timespec *when;
int x, y;
int x, y; /* layout-relative */
};
/* function declarations */
static void arrange(Monitor *m);
static void axisnotify(struct wl_listener *listener, void *data);
static void buttonpress(struct wl_listener *listener, void *data);
static void createkeyboard(struct wlr_input_device *device);
@ -118,11 +138,13 @@ static void moveresize(Client *c, unsigned int mode);
static void quit(const Arg *arg);
static void render(struct wlr_surface *surface, int sx, int sy, void *data);
static void rendermon(struct wl_listener *listener, void *data);
static void resize(Client *c, int x, int y, int w, int h);
static void resizemouse(const Arg *arg);
static void run(char *startup_cmd);
static void setcursor(struct wl_listener *listener, void *data);
static void setup(void);
static void spawn(const Arg *arg);
static void tile(Monitor *m);
static void unmapnotify(struct wl_listener *listener, void *data);
static Client * xytoclient(double x, double y,
struct wlr_surface **surface, double *sx, double *sy);
@ -156,9 +178,17 @@ static int grab_width, grab_height;
static struct wlr_output_layout *output_layout;
static struct wl_list mons;
static struct wl_listener new_output;
static Monitor *selmon;
#include "config.h"
void
arrange(Monitor *m)
{
if (m->lt[m->sellt]->arrange)
m->lt[m->sellt]->arrange(m);
}
void
axisnotify(struct wl_listener *listener, void *data)
{
@ -259,7 +289,10 @@ createmon(struct wl_listener *listener, void *data)
for (i = 0; i < LENGTH(monrules); i++) {
if (!monrules[i].name ||
!strcmp(wlr_output->name, monrules[i].name)) {
m->mfact = monrules[i].mfact;
m->nmaster = monrules[i].nmaster;
wlr_output_set_scale(wlr_output, monrules[i].scale);
m->lt[0] = m->lt[1] = monrules[i].lt;
break;
}
}
@ -268,6 +301,9 @@ createmon(struct wl_listener *listener, void *data)
wl_signal_add(&wlr_output->events.frame, &m->frame);
wl_list_insert(&mons, &m->link);
if (!selmon)
selmon = m;
/* 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
@ -294,6 +330,9 @@ createnotify(struct wl_listener *listener, void *data)
Client *c = calloc(1, sizeof(*c));
c->xdg_surface = xdg_surface;
/* Tell the client not to try anything fancy */
wlr_xdg_toplevel_set_tiled(c->xdg_surface, true);
/* Listen to the various events it can emit */
c->map.notify = maprequest;
wl_signal_add(&xdg_surface->events.map, &c->map);
@ -487,6 +526,7 @@ maprequest(struct wl_listener *listener, void *data)
Client *c = wl_container_of(listener, c, map);
/* Insert this client into the list and focus it. */
c->mon = selmon;
wl_list_insert(&clients, &c->link);
focus(c, c->xdg_surface->surface);
}
@ -699,6 +739,15 @@ rendermon(struct wl_listener *listener, void *data)
if (!wlr_output_attach_render(m->wlr_output, NULL)) {
return;
}
/* Get effective monitor geometry and window area */
m->geom = wlr_output_layout_get_box(output_layout, m->wlr_output);
m->wx = m->geom->x;
m->wy = m->geom->y;
m->ww = m->geom->width;
m->wh = m->geom->height;
arrange(m);
/* Begin the renderer (calls glViewport and some other GL sanity checks) */
wlr_renderer_begin(renderer, m->wlr_output->width, m->wlr_output->height);
wlr_renderer_clear(renderer, rootcolor);
@ -733,6 +782,14 @@ rendermon(struct wl_listener *listener, void *data)
wlr_output_commit(m->wlr_output);
}
void
resize(Client *c, int x, int y, int w, int h)
{
c->x = x;
c->y = y;
wlr_xdg_toplevel_set_size(c->xdg_surface, w, h);
}
void
resizemouse(const Arg *arg)
{
@ -936,6 +993,42 @@ spawn(const Arg *arg)
}
}
void
tile(Monitor *m)
{
unsigned int i, n = 0, h, mw, my, ty;
Client *c;
struct wlr_box ca;
wl_list_for_each(c, &clients, link) {
if (VISIBLEON(c, m))
n++;
}
if (n == 0)
return;
if (n > m->nmaster)
mw = m->nmaster ? m->ww * m->mfact : 0;
else
mw = m->ww;
i = my = ty = 0;
wl_list_for_each(c, &clients, link) {
if (!VISIBLEON(c, m))
continue;
wlr_xdg_surface_get_geometry(c->xdg_surface, &ca);
if (i < m->nmaster) {
h = (m->wh - my) / (MIN(n, m->nmaster) - i);
resize(c, m->wx, m->wy + my, mw, h);
my += ca.height;
} else {
h = (m->wh - ty) / (n - i);
resize(c, m->wx + mw, m->wy + ty, m->ww - mw, h);
ty += ca.height;
}
i++;
}
}
void
unmapnotify(struct wl_listener *listener, void *data)
{