Add a --list-layers option

To get a list of available layers for the -l option.

Signed-off-by: Emmanuel LE TRONG <emmanuel.le-trong@cnrs-orleans.fr>
Signed-off-by: Maarten van Gompel <proycon@anaproy.nl>

Makefile

@@ -3,6 +3,7 @@ include config.mk
 NAME=wvkbd
 BIN=${NAME}-${LAYOUT}
 SRC=.
+MAN1 = ${NAME}.1
 
 PKGS = wayland-client xkbcommon pangocairo
 
@@ -11,7 +12,7 @@ WVKBD_HEADERS += $(wildcard $(SRC)/*.h)
 
 CFLAGS += -std=gnu99 -Wall -g -DWITH_WAYLAND_SHM -DLAYOUT=\"layout.${LAYOUT}.h\" -DKEYMAP=\"keymap.${LAYOUT}.h\"
 CFLAGS += $(shell pkg-config --cflags $(PKGS))
-LDFLAGS =$(shell pkg-config --libs $(PKGS)) -lm -lutil -lrt
+LDFLAGS += $(shell pkg-config --libs $(PKGS)) -lm -lutil -lrt
 
 WAYLAND_HEADERS = $(wildcard proto/*.xml)
 
@@ -47,3 +48,6 @@ install: all
 	mkdir -p ${DESTDIR}${PREFIX}/bin
 	cp -f ${NAME}-${LAYOUT} ${DESTDIR}${PREFIX}/bin
 	chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}-${LAYOUT}
+	mkdir -p "${DESTDIR}${MANPREFIX}/man1"
+	sed "s/VERSION/${VERSION}/g" < ${MAN1} > ${DESTDIR}${MANPREFIX}/man1/${MAN1}
+	chmod 644 ${DESTDIR}${MANPREFIX}/man1/${MAN1}

README.md

@@ -21,7 +21,7 @@ new features.
  - Support for 'Copy' keys which are not on the keymap
  - Emoji support
  - Compose key for character variants (e.g. diacritics)
- - Show/hide keyboard on signals (SIGUSR1 = hide, SIGUSR2 = show)
+ - Show/hide keyboard on signals (SIGUSR1 = hide, SIGUSR2 = show, SIGRTMIN = toggle)
  - Automatic portrait/landscape detection and subsequent layout switching
 
 
@@ -37,7 +37,8 @@ There are some areas that still need work:
 
 You'll need the following developer packages
 
- - pangocairo
+ - cairo
+ - pango
  - wayland-client
  - xkbcommon
 
@@ -46,7 +47,7 @@ Make any customizations you would like in `config.def.h` and run `make`
 The default set of layouts is called `mobintl` *(mobile international)*, which groups various layouts aimed at mobile devices
 and also attempts to accommodate various international users. The resulting binary is called `wvkbd-mobintl`.
 
-You can, however, define your own layouts by copying and and modifying `layout.mobintl.h` and `keymap.mobintl.h`
+You can, however, define your own layouts by copying and modifying `layout.mobintl.h` and `keymap.mobintl.h`
 (replace `mobintl` for something like `yourlayout`). Then make your layout set using `make LAYOUT=yourlayout`, and
 the resulting binary will be `wvkbd-yourlayout`
 
@@ -59,8 +60,8 @@ want a subset of the available layers, you can define which wants you want and i
 them using the `-l` parameter. This takes takes a ordered comma separated list of
 layout names that are defined in your layout set.
 
-The keyboard can be hidden by sending it a `SIGUSR1` signal and shown again by sending it `SIGUSR2`. This saves some
-start up time and may be appropriate in some low-resource environments.
+The keyboard can be hidden by sending it a `SIGUSR1` signal, shown again by sending it `SIGUSR2` or toggled by sending it `SIGRTMIN`.
+This saves some start up time and may be appropriate in some low-resource environments.
 
 Wvkbd has an output mode `-o` that will echo its output to standard output. This facility can be used if users want
 audio/haptic feedback, a feature explicitly out of scope for wvkbd. To achieve this, simply pipe wvkbd's output through the external tool
@@ -75,11 +76,17 @@ Another output mode, `-O` will let the keyboard output keys which are swiped ove
 
 ## Contribute
 
-Any contributions are welcome, please tell me what I did wrong in issues or
-PRs. I could also use some nice branding if that tickles your fancy.
+Any contributions are welcome, there are two ways to contribute, the first one is **preferred**:
 
-For code contributions, all I ask for now is you run `make format` (requires
-`clang-format`) before opening a PR and include as much relevant detail as
+1. [Sourcehut](https://git.sr.ht/~proycon/wvkbd) - Submit your patches using `git mail` to [~mil/sxmo-devel@lists.sr.ht](mailto:~mil/sxmo-devel@lists.sr.ht), follow [these contribution guidelines](https://sxmo.org/contribute/). Questions can also be asked on Sxmo's [mailing lists](https://sxmo.org/support/).
+2. [Github](https://github.com/jjsullivan5196/wvkbd/) - Submit a pull request or open an issue *(legacy method)*
+
+This project was started by [John Sullivan](https://jsullivan.cc/) and is
+currently being maintained by the [Sxmo](https://sxmo.org) project, whose
+maintainers will ensure both git remotes are kept in sync at all times.
+
+For code contributions, please run `make format` (requires `clang-format`)
+before sending a patch (opening a PR) and include as much relevant detail as
 possible.
 
 ## Related projects

config.def.h

@@ -2,20 +2,21 @@
 #define config_def_h_INCLUDED
 
 static const char *default_font = "Monospace 14";
+static const int transparency = 225;
 
 struct clr_scheme scheme = {
   /* colors */
-  .bg = {.bgra = {15, 15, 15, 225}},
-  .fg = {.bgra = {45, 45, 45, 225}},
-  .high = {.bgra = {100, 100, 100, 225}},
+  .bg = {.bgra = {15, 15, 15, transparency}},
+  .fg = {.bgra = {45, 45, 45, transparency}},
+  .high = {.bgra = {100, 100, 100, transparency}},
   .swipe = {.bgra = {100, 255, 100, 64}},
   .text = {.color = UINT32_MAX},
 };
 struct clr_scheme scheme1 = {
   /* colors */
-  .bg = {.bgra = {15, 15, 15, 225}},
-  .fg = {.bgra = {32, 32, 32, 225}},
-  .high = {.bgra = {100, 100, 100, 225}},
+  .bg = {.bgra = {15, 15, 15, transparency}},
+  .fg = {.bgra = {32, 32, 32, transparency}},
+  .high = {.bgra = {100, 100, 100, transparency}},
   .swipe = {.bgra = {100, 255, 100, 64}},
   .text = {.color = UINT32_MAX},
 };
@@ -23,14 +24,15 @@ struct clr_scheme scheme1 = {
 /* layers is an ordered list of layouts, used to cycle through */
 static enum layout_id layers[] = {
   Full, // First layout is the default layout on startup
-  Special, Emoji, Simple, SimpleGrid, Nav, Dialer, Cyrillic, Arabic, Georgian,
+  Special,   Emoji,  Simple,  SimpleGrid, Nav,      Dialer,
+  Cyrillic,  Arabic, Persian, Greek,      Georgian,
   NumLayouts // signals the last item, may not be omitted
 };
 
 /* layers is an ordered list of layouts, used to cycle through */
 static enum layout_id landscape_layers[] = {
   Landscape, // First layout is the default layout on startup
-  Special, Emoji, Nav,
+  Special,   Emoji, Nav, Greek,
   NumLayouts // signals the last item, may not be omitted
 };
 

config.mk

@@ -1,3 +1,5 @@
-VERSION = 0.2
+VERSION = 0.10
 CFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=700
+PREFIX = /usr/local
+MANPREFIX = ${PREFIX}/share/man
 LAYOUT = mobintl

drw.c

@@ -20,30 +20,12 @@ drwsurf_resize(struct drwsurf *ds, uint32_t w, uint32_t h, uint32_t s) {
 	setup_buffer(ds);
 }
 
-static void surface_frame_callback(void *data, struct wl_callback *cb,
-                                   uint32_t time);
-
-static struct wl_callback_listener frame_listener = {.done =
-                                                       surface_frame_callback};
-
 void
 drwsurf_flip(struct drwsurf *ds) {
-	ds->cb = wl_surface_frame(ds->surf);
-	wl_callback_add_listener(ds->cb, &frame_listener, (void *)ds);
-
 	wl_surface_attach(ds->surf, ds->buf, 0, 0);
 	wl_surface_commit(ds->surf);
 }
 
-void
-surface_frame_callback(void *data, struct wl_callback *cb, uint32_t time) {
-	struct drwsurf *ds = (struct drwsurf *)data;
-	wl_callback_destroy(cb);
-	ds->cb = NULL;
-
-	drwsurf_flip(ds);
-}
-
 void
 drw_draw_text(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
               uint32_t w, uint32_t h, const char *label) {
@@ -85,7 +67,6 @@ drw_do_rectangle(struct drwsurf *d, Color color, uint32_t x, uint32_t y,
 	  color.bgra[0] / (double)255, color.bgra[3] / (double)255);
 	cairo_fill(d->cairo);
 
-
 	cairo_restore(d->cairo);
 
 	wl_surface_damage(d->surf, x, y, w, h);

drw.h

@@ -15,7 +15,6 @@ struct drwsurf {
 	struct wl_surface *surf;
 	struct wl_buffer *buf;
 	struct wl_shm *shm;
-	struct wl_callback *cb;
 	unsigned char *pool_data;
 
 	cairo_t *cairo;

keyboard.c

@@ -122,16 +122,23 @@ kbd_init_layout(struct layout *l, uint32_t width, uint32_t height) {
 
 	struct key *k = l->keys;
 	double rowlength = kbd_get_row_length(k);
+	double rowwidth = 0.0;
 	while (k->type != Last) {
 		if (k->type == EndRow) {
 			y += l->keyheight;
 			x = 0;
+			rowwidth = 0.0;
 			rowlength = kbd_get_row_length(k + 1);
 		} else if (k->width > 0) {
 			k->x = x;
 			k->y = y;
 			k->w = ((double)width / rowlength) * k->width;
 			x += k->w;
+			rowwidth += k->width;
+			if (x < (rowwidth / rowlength) * (double)width) {
+				k->w++;
+				x++;
+			}
 		}
 		k->h = l->keyheight;
 		k++;
@@ -166,17 +173,17 @@ kbd_get_key(struct kbd *kb, uint32_t x, uint32_t y) {
 
 void
 kbd_unpress_key(struct kbd *kb, uint32_t time) {
-  bool unlatch_shift = false;
+	bool unlatch_shift = false;
 
 	if (kb->last_press) {
-    unlatch_shift = (kb->mods & Shift) == Shift;
+		unlatch_shift = (kb->mods & Shift) == Shift;
 
-    if (unlatch_shift) {
-      kb->mods ^= Shift;
-      zwp_virtual_keyboard_v1_modifiers(kb->vkbd, kb->mods, 0, 0, 0);
-    }
+		if (unlatch_shift) {
+			kb->mods ^= Shift;
+			zwp_virtual_keyboard_v1_modifiers(kb->vkbd, kb->mods, 0, 0, 0);
+		}
 
-    if (kb->last_press->type == Copy) {
+		if (kb->last_press->type == Copy) {
 			zwp_virtual_keyboard_v1_key(kb->vkbd, time, 127, // COMP key
 			                            WL_KEYBOARD_KEY_STATE_RELEASED);
 		} else {
@@ -190,14 +197,15 @@ kbd_unpress_key(struct kbd *kb, uint32_t time) {
 		} else if (unlatch_shift) {
 			kbd_draw_layout(kb);
 		} else {
-      kbd_draw_key(kb, kb->last_press, Unpress);
-    }
+			kbd_draw_key(kb, kb->last_press, Unpress);
+		}
 
 		kb->last_press = NULL;
 	}
 }
 
-void kbd_release_key(struct kbd *kb, uint32_t time) {
+void
+kbd_release_key(struct kbd *kb, uint32_t time) {
 	kbd_unpress_key(kb, time);
 	if (kb->print_intersect && kb->last_swipe) {
 		printf("\n");
@@ -206,9 +214,12 @@ void kbd_release_key(struct kbd *kb, uint32_t time) {
 		kbd_draw_layout(kb);
 		kb->last_swipe = NULL;
 	}
+
+	drwsurf_flip(kb->surf);
 }
 
-void kbd_motion_key(struct kbd *kb, uint32_t time, uint32_t x, uint32_t y) {
+void
+kbd_motion_key(struct kbd *kb, uint32_t time, uint32_t x, uint32_t y) {
 	// Output intersecting keys
 	// (for external 'swiping'-based accelerators).
 	if (kb->print_intersect) {
@@ -220,7 +231,7 @@ void kbd_motion_key(struct kbd *kb, uint32_t time, uint32_t x, uint32_t y) {
 		struct key *intersect_key;
 		intersect_key = kbd_get_key(kb, x, y);
 		if (intersect_key &&
-		    (! kb->last_swipe || intersect_key->label != kb->last_swipe->label)) {
+		    (!kb->last_swipe || intersect_key->label != kb->last_swipe->label)) {
 			kbd_print_key_stdout(kb, intersect_key);
 			kb->last_swipe = intersect_key;
 			kbd_draw_key(kb, kb->last_swipe, Swipe);
@@ -228,12 +239,14 @@ void kbd_motion_key(struct kbd *kb, uint32_t time, uint32_t x, uint32_t y) {
 	} else {
 		kbd_unpress_key(kb, time);
 	}
+
+	drwsurf_flip(kb->surf);
 }
 
 void
 kbd_press_key(struct kbd *kb, struct key *k, uint32_t time) {
-	if ((kb->compose == 1) && (k->type != Compose) && (k->type != Mod) &&
-	    (k->layout)) {
+	if ((kb->compose == 1) && (k->type != Compose) && (k->type != Mod) && 
+		(k->type != NextLayer) && (k->layout)) {
 		kb->compose++;
 		if (kb->debug)
 			fprintf(stderr, "showing compose %d\n", kb->compose);
@@ -295,8 +308,30 @@ kbd_press_key(struct kbd *kb, struct key *k, uint32_t time) {
 		}
 		break;
 	case NextLayer:
-		// switch to the next layout in the layer sequence
-		kb->layer_index++;
+		if ((kb->mods & Ctrl) || (kb->mods & Alt) || (kb->mods & AltGr) || ((bool)kb->compose)) {
+			// with modifiers: switch to the first layer
+			kb->layer_index = 0;
+			kb->mods = 0;
+		} else if ((kb->mods & Shift) || (kb->mods & CapsLock)) {
+			// with modifiers: switch to the previous layout in the layer sequence
+			if (kb->layer_index > 0) {
+				kb->layer_index--;
+			} else {
+				size_t layercount = 0;
+				for (size_t i = 0; layercount == 0; i++) {
+					if (kb->landscape) {
+						if (kb->landscape_layers[i] == NumLayouts) layercount = i;
+					} else {
+						if (kb->layers[i] == NumLayouts) layercount = i;
+					}
+				}
+				kb->layer_index = layercount - 1;
+			}
+			kb->mods = 0;
+		} else {
+			// normal behaviour: switch to the next layout in the layer sequence
+			kb->layer_index++;
+		}
 		enum layout_id layer;
 		if (kb->landscape) {
 			layer = kb->landscape_layers[kb->layer_index];
@@ -311,6 +346,10 @@ kbd_press_key(struct kbd *kb, struct key *k, uint32_t time) {
 				layer = kb->layers[kb->layer_index];
 			}
 		}
+		if ((bool)kb->compose) {
+			kb->compose = 0;
+			kbd_draw_key(kb, k, Unpress);
+		}
 		kbd_switch_layout(kb, &kb->layouts[layer]);
 		break;
 	case BackLayer:
@@ -334,6 +373,8 @@ kbd_press_key(struct kbd *kb, struct key *k, uint32_t time) {
 	default:
 		break;
 	}
+
+	drwsurf_flip(kb->surf);
 }
 
 void
@@ -411,7 +452,8 @@ kbd_draw_layout(struct kbd *kb) {
 			next_key++;
 			continue;
 		}
-		if (next_key->type == Mod && kb->mods & next_key->code) {
+		if ((next_key->type == Mod && kb->mods & next_key->code) ||
+			(next_key->type == Compose && kb->compose)) {
 			kbd_draw_key(kb, next_key, Press);
 		} else {
 			kbd_draw_key(kb, next_key, Unpress);
@@ -437,14 +479,14 @@ kbd_resize(struct kbd *kb, struct layout *layouts, uint8_t layoutcount) {
 void
 draw_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width,
            uint32_t height, uint32_t border, Color color) {
-	drw_fill_rectangle(ds, color, x + border, y + border, width - border,
-	                   height - border);
+	drw_fill_rectangle(ds, color, x + border, y + border, width - (border * 2),
+	                   height - (border * 2));
 }
 void
 draw_over_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width,
                 uint32_t height, uint32_t border, Color color) {
-	drw_over_rectangle(ds, color, x + border, y + border, width - border,
-	                   height - border);
+	drw_over_rectangle(ds, color, x + border, y + border, width - (border * 2),
+	                   height - (border * 2));
 }
 
 void

layout.mobintl.h

@@ -1,16 +1,12 @@
 /* constants */
-
 /* how tall the keyboard should be by default (can be overriden) */
 #define KBD_PIXEL_HEIGHT 240
 
 /* how tall the keyboard should be by default (can be overriden) */
 #define KBD_PIXEL_LANDSCAPE_HEIGHT 120
 
-/* if your layout leaves an empty margin, increase this to fix it */
-#define KBD_PIXEL_OVERSCAN_WIDTH 5
-
-/* spacing between keys */
-#define KBD_KEY_BORDER 2
+/* spacing around each key */
+#define KBD_KEY_BORDER 1
 
 /* layout declarations */
 enum layout_id {
@@ -21,6 +17,8 @@ enum layout_id {
 	Dialer,
 	Cyrillic,
 	Arabic,
+	Persian,
+	Greek,
 	Georgian,
 	Emoji,
 	Nav,
@@ -67,18 +65,19 @@ enum layout_id {
 };
 
 static struct key keys_full[], keys_special[], keys_simple[], keys_simplegrid[],
-  keys_cyrillic[], keys_arabic[], keys_georgian[],  keys_emoji[], keys_nav[], keys_landscape[],
-  keys_compose_a[], keys_compose_e[], keys_compose_y[], keys_compose_u[],
-  keys_compose_i[], keys_compose_o[], keys_compose_w[], keys_compose_r[],
-  keys_compose_t[], keys_compose_p[], keys_compose_s[], keys_compose_d[],
-  keys_compose_f[], keys_compose_g[], keys_compose_h[], keys_compose_j[],
-  keys_compose_k[], keys_compose_l[], keys_compose_z[], keys_compose_x[],
-  keys_compose_c[], keys_compose_v[], keys_compose_b[], keys_compose_n[],
-  keys_compose_m[], keys_compose_math[], keys_compose_punctuation[],
-  keys_compose_bracket[], keys_compose_cyr_i[], keys_compose_cyr_j[],
-  keys_compose_cyr_e[], keys_compose_cyr_u[], keys_compose_cyr_l[],
-  keys_compose_cyr_n[], keys_compose_cyr_tse[], keys_compose_cyr_che[],
-  keys_compose_cyr_g[], keys_compose_cyr_k[], keys_dialer[];
+  keys_cyrillic[], keys_arabic[], keys_persian[], keys_georgian[], keys_greek[],
+  keys_emoji[], keys_nav[], keys_landscape[], keys_compose_a[],
+  keys_compose_e[], keys_compose_y[], keys_compose_u[], keys_compose_i[],
+  keys_compose_o[], keys_compose_w[], keys_compose_r[], keys_compose_t[],
+  keys_compose_p[], keys_compose_s[], keys_compose_d[], keys_compose_f[],
+  keys_compose_g[], keys_compose_h[], keys_compose_j[], keys_compose_k[],
+  keys_compose_l[], keys_compose_z[], keys_compose_x[], keys_compose_c[],
+  keys_compose_v[], keys_compose_b[], keys_compose_n[], keys_compose_m[],
+  keys_compose_math[], keys_compose_punctuation[], keys_compose_bracket[],
+  keys_compose_cyr_i[], keys_compose_cyr_j[], keys_compose_cyr_e[],
+  keys_compose_cyr_u[], keys_compose_cyr_l[], keys_compose_cyr_n[],
+  keys_compose_cyr_tse[], keys_compose_cyr_che[], keys_compose_cyr_g[],
+  keys_compose_cyr_k[], keys_dialer[];
 
 static struct layout layouts[NumLayouts] = {
   [Full] = {keys_full, "latin", "full"}, // second parameter is the keymap name
@@ -90,6 +89,8 @@ static struct layout layouts[NumLayouts] = {
   [Dialer] = {keys_dialer, "latin", "dialer"},
   [Arabic] = {keys_arabic, "arabic", "arabic"},
   [Georgian] = {keys_georgian, "georgian", "georgian"},
+  [Persian] = {keys_persian, "persian", "persian"},
+  [Greek] = {keys_greek, "greek", "greek"},
   [Emoji] = {keys_emoji, "latin", "emoji"},
   [Nav] = {keys_nav, "latin", "nav"},
   [Landscape] = {keys_landscape, "latin", "landscape"},
@@ -214,7 +215,7 @@ static struct key keys_full[] = {
   {"", "", 0.5, Pad},
   {"", "", 0.0, EndRow},
 
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"z", "Z", 1.0, Code, KEY_Z, &layouts[ComposeZ]},
   {"x", "X", 1.0, Code, KEY_X, &layouts[ComposeX]},
   {"c", "C", 1.0, Code, KEY_C, &layouts[ComposeC]},
@@ -274,7 +275,7 @@ static struct key keys_special[] = {
   {"Del", "Del", 1.0, Code, KEY_DELETE, .scheme = 1},
   {"", "", 0.0, EndRow},
 
-  {"⇧", "⇧", 2.0, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 2.0, Mod, Shift, .scheme = 1},
   {";", ":", 1.0, Code, KEY_SEMICOLON},
   {"/", ">", 1.0, Code, KEY_SLASH},
   {"<", "«", 1.0, Code, KEY_COMMA, 0, AltGr},
@@ -323,7 +324,7 @@ static struct key keys_simple[] = {
   {"'", "\"", 0.5, Code, KEY_APOSTROPHE, &layouts[ComposeBracket]},
   {"", "", 0.0, EndRow},
 
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"z", "Z", 1.0, Code, KEY_Z, &layouts[ComposeZ]},
   {"x", "X", 1.0, Code, KEY_X, &layouts[ComposeX]},
   {"c", "C", 1.0, Code, KEY_C, &layouts[ComposeC]},
@@ -336,7 +337,7 @@ static struct key keys_simple[] = {
 
   {"Abc", "Abc", 1.0, NextLayer, .scheme = 1},
   {"Ctr", "Ctr", 1.0, Mod, Ctrl, .scheme = 1},
-  {",", "'", 1.0, Code, KEY_COMMA, &layouts[ComposeMath]},
+  {"-", "_", 1.0, Code, KEY_MINUS, &layouts[ComposeMath]},
   {"", "", 4.0, Code, KEY_SPACE},
   {".", "?", 1.0, Code, KEY_DOT, &layouts[ComposePunctuation]},
   {"Enter", "Enter", 2.0, Code, KEY_ENTER, .scheme = 1},
@@ -346,8 +347,9 @@ static struct key keys_simple[] = {
 };
 
 static struct key keys_dialer[] = {
-  {"Esc", "Esc", 1.0, Code, KEY_ESC, .scheme = 1},
-  {"⌫", "⌫", 1.0, Code, KEY_BACKSPACE, .scheme = 1},
+  {"Esc", "Esc", 1.0, Code, KEY_ESC},
+  {"+","+", 1.0, Code, KEY_KPPLUS},
+  {"⌫", "⌫", 1.0, Code, KEY_BACKSPACE},
   {"", "", 0.0, EndRow},
   {"1", "1", 1.0, Code, KEY_1},
   {"2", "2", 1.0, Code, KEY_2},
@@ -397,7 +399,7 @@ static struct key keys_simplegrid[] = {
   {"'", "\"", 1.0, Code, KEY_APOSTROPHE, &layouts[ComposeBracket]},
   {"", "", 0.0, EndRow},
 
-  {"⇧", "⇧", 1.0, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.0, Mod, Shift, .scheme = 1},
   {"z", "Z", 1.0, Code, KEY_Z, &layouts[ComposeZ]},
   {"x", "X", 1.0, Code, KEY_X, &layouts[ComposeX]},
   {"c", "C", 1.0, Code, KEY_C, &layouts[ComposeC]},
@@ -411,7 +413,7 @@ static struct key keys_simplegrid[] = {
 
   {"Abc", "Abc", 1.0, NextLayer, .scheme = 1},
   {"Ctr", "Ctr", 1.0, Mod, Ctrl, .scheme = 1},
-  {",", "'", 1.0, Code, KEY_COMMA, &layouts[ComposeMath]},
+  {"-", "_", 1.0, Code, KEY_MINUS, &layouts[ComposeMath]},
   {"Cmp", "Cmp", 1.0, Compose, .scheme = 1},
   {"", "", 3.0, Code, KEY_SPACE},
   {".", "?", 1.0, Code, KEY_DOT, &layouts[ComposePunctuation]},
@@ -463,7 +465,7 @@ static struct key keys_cyrillic[] = {
   {"ж", "Ж", 1.0, Code, KEY_SEMICOLON},
   {"", "", 0.0, EndRow},
 
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"я", "Я", 1.0, Code, KEY_Z},
   {"ч", "Ч", 1.0, Code, KEY_X, &layouts[ComposeCyrChe]},
   {"c", "С", 1.0, Code, KEY_C},
@@ -508,9 +510,9 @@ static struct key keys_arabic[] = {
   {"غ", "إ", 1.0, Code, KEY_Y},
   {"ع", "`", 1.0, Code, KEY_U},
   {"ه", "", 1.0, Code, KEY_I},
-  {"ج", ";", 1.0, Code, KEY_O},
+  {"خ", ";", 1.0, Code, KEY_O},
   {"ح", "", 1.0, Code, KEY_P},
-  {"خ", "<", 1.0, Code, KEY_LEFTBRACE},
+  {"ج", "<", 1.0, Code, KEY_LEFTBRACE},
   {"", "", 0.0, EndRow},
 
   {"ش", "ـِ", 1.0, Code, KEY_A},
@@ -541,7 +543,7 @@ static struct key keys_arabic[] = {
   {"", "", 0.0, EndRow},
 
   {"Abc", "Abc", 1.0, NextLayer, .scheme = 1},
-  {"⇧", "⇧", 1.0, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.0, Mod, Shift, .scheme = 1},
   {"Cmp", "Cmp", 1.0, Compose, .scheme = 1},
   {"", "", 5.0, Code, KEY_SPACE},
   {"Enter", "Enter", 2.0, Code, KEY_ENTER, .scheme = 1},
@@ -601,7 +603,7 @@ static struct key keys_georgian[] = {
   {"", "", 0.0, EndRow},
 
   {"Abc", "Abc", 1.0, NextLayer, .scheme = 1},
-  {"⇧", "⇧", 1.0, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.0, Mod, Shift, .scheme = 1},
   {"Cmp", "Cmp", 1.0, Compose, .scheme = 1},
   {"", "", 5.0, Code, KEY_SPACE},
   {"Enter", "Enter", 2.0, Code, KEY_ENTER, .scheme = 1},
@@ -610,6 +612,134 @@ static struct key keys_georgian[] = {
   {"", "", 0.0, Last},
 };
 
+static struct key keys_persian[] = {
+  {"۱", "|", 1.0, Code, KEY_1},
+  {"۲", "٬", 1.0, Code, KEY_2},
+  {"۳", "#", 1.0, Code, KEY_3},
+  {"۴", "﷼", 1.0, Code, KEY_4},
+  {"۵", "٪", 1.0, Code, KEY_5},
+  {"۶", "×", 1.0, Code, KEY_6},
+  {"۷", "/", 1.0, Code, KEY_7},
+  {"۸", "*", 1.0, Code, KEY_8},
+  {"۹", ")", 1.0, Code, KEY_9},
+  {"۰", "(", 1.0, Code, KEY_0},
+  {"-", "_", 1.0, Code, KEY_MINUS},
+  {"=", "+", 1.0, Code, KEY_EQUAL},
+  {"", "", 0.0, EndRow},
+
+  {"ض", "ﹿ", 1.0, Code, KEY_Q},
+  {"ص", "ـٌ", 1.0, Code, KEY_W},
+  {"ث", "ـٍ", 1.0, Code, KEY_E},
+  {"ق", "ـً", 1.0, Code, KEY_R},
+  {"ف", "ـُ", 1.0, Code, KEY_T},
+  {"غ", "ـِ", 1.0, Code, KEY_Y},
+  {"ع", "ـَ", 1.0, Code, KEY_U},
+  {"ه", "ﹽ", 1.0, Code, KEY_I},
+  {"خ", "]", 1.0, Code, KEY_O},
+  {"ح", "[", 1.0, Code, KEY_P},
+  {"ج", "}", 1.0, Code, KEY_LEFTBRACE},
+  {"چ", "{", 1.0, Code, KEY_RIGHTBRACE},
+  {"", "", 0.0, EndRow},
+
+  {"ش", "ؤ", 1.0, Code, KEY_A},
+  {"س", "ئ", 1.0, Code, KEY_S},
+  {"ی", "ي", 1.0, Code, KEY_D},
+  {"ب", "إ", 1.0, Code, KEY_F},
+  {"ل", "أ", 1.0, Code, KEY_G},
+  {"ا", "آ", 1.0, Code, KEY_H},
+  {"ت", "ة", 1.0, Code, KEY_J},
+  {"ن", "»", 1.0, Code, KEY_K},
+  {"م", "«", 1.0, Code, KEY_L},
+  {"ک", ":", 1.0, Code, KEY_SEMICOLON},
+  {"گ", "؛", 1.0, Code, KEY_APOSTROPHE},
+  {"", "", 0.0, EndRow},
+
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
+  {"ظ", "ك", 1.0, Code, KEY_Z},
+  {"ط", "ـٓ", 1.0, Code, KEY_X},
+  {"ژ", ">", 1.0, Code, KEY_BACKSLASH},
+  {"ز", "<", 1.0, Code, KEY_C},
+  {"ر", "ـٰ", 1.0, Code, KEY_V},
+  {"ذ", "⇑", 1.0, Code, KEY_B},
+  {"د", "ـٔ", 1.0, Code, KEY_N},
+  {"پ", "ء", 1.0, Code, KEY_M},
+  {"و", "\\", 1.0, Code, KEY_COMMA},
+  {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
+  {"", "", 0.0, EndRow},
+
+  {"Abc", "Abc", 1.0, NextLayer, .scheme = 1},
+  {"Cmp", "Cmp", 1.0, Compose, .scheme = 1},
+  {".", "،", 1.0, Code, KEY_DOT},
+  {"", "", 4.0, Code, KEY_SPACE},
+  {"⥣", "↥", 1.0, Code, KEY_GRAVE},
+  {"؟", "!", 1.0, Code, KEY_SLASH},
+  {"Enter", "Enter", 2.0, Code, KEY_ENTER, .scheme = 1},
+
+  /* end of layout */
+  {"", "", 0.0, Last},
+};
+
+static struct key keys_greek[] = {
+  {"1", "!", 1.0, Code, KEY_1},
+  {"2", "@", 1.0, Code, KEY_2},
+  {"3", "#", 1.0, Code, KEY_3},
+  {"4", "$", 1.0, Code, KEY_4},
+  {"5", "%", 1.0, Code, KEY_5},
+  {"6", "^", 1.0, Code, KEY_6},
+  {"7", "&", 1.0, Code, KEY_7},
+  {"8", "*", 1.0, Code, KEY_8},
+  {"9", "(", 1.0, Code, KEY_9},
+  {"0", ")", 1.0, Code, KEY_0},
+  {"-", "_", 1.0, Code, KEY_MINUS},
+  {"=", "+", 1.0, Code, KEY_EQUAL},
+  {"", "", 0.0, EndRow},
+
+  {";", ":", 1.0, Code, KEY_Q},
+  {"ς", "Σ", 1.0, Code, KEY_W},
+  {"ε", "Ε", 1.0, Code, KEY_E},
+  {"ρ", "Ρ", 1.0, Code, KEY_R},
+  {"τ", "Τ", 1.0, Code, KEY_T},
+  {"υ", "Υ", 1.0, Code, KEY_Y},
+  {"θ", "Θ", 1.0, Code, KEY_U},
+  {"ι", "Ι", 1.0, Code, KEY_I},
+  {"ο", "Ο", 1.0, Code, KEY_O},
+  {"π", "Π", 1.0, Code, KEY_P},
+  {"", "", 0.0, EndRow},
+
+  {"α", "A", 1.0, Code, KEY_A},
+  {"σ", "Σ", 1.0, Code, KEY_S},
+  {"δ", "Δ", 1.0, Code, KEY_D},
+  {"φ", "Φ", 1.0, Code, KEY_F},
+  {"γ", "Γ", 1.0, Code, KEY_G},
+  {"η", "Η", 1.0, Code, KEY_H},
+  {"ξ", "Ξ", 1.0, Code, KEY_J},
+  {"κ", "Κ", 1.0, Code, KEY_K},
+  {"λ", "Λ", 1.0, Code, KEY_L},
+  {"΄", "¨", 1.0, Code, KEY_SEMICOLON},
+  {"", "", 0.0, EndRow},
+
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
+  {"ζ", "Ζ", 1.0, Code, KEY_Z},
+  {"χ", "Χ", 1.0, Code, KEY_X},
+  {"ψ", "Ψ", 1.0, Code, KEY_C},
+  {"ω", "Ω", 1.0, Code, KEY_V},
+  {"β", "Β", 1.0, Code, KEY_B},
+  {"ν", "Ν", 1.0, Code, KEY_N},
+  {"μ", "Μ", 1.0, Code, KEY_M},
+  {"/", "\\", 1.0, Code, KEY_SLASH},
+  {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
+  {"", "", 0.0, EndRow},
+
+  {"Abc", "Abc", 1.5, NextLayer, .scheme = 1},
+  {",", "'", 1.0, Code, KEY_COMMA},
+  {"", "", 5, Code, KEY_SPACE},
+  {".", "\"", 1.0, Code, KEY_DOT},
+  {"Enter", "Enter", 2, Code, KEY_ENTER, .scheme = 1},
+
+  /* end of layout */
+  {"", "", 0.0, Last},
+};
+
 static struct key keys_compose_a[] = {
   {"à", "À", 1.0, Copy, 0x00E0, 0, 0x00C0},
   {"á", "Á", 1.0, Copy, 0x00E1, 0, 0x00C1},
@@ -625,7 +755,7 @@ static struct key keys_compose_a[] = {
   {"α", "Α", 1.0, Copy, 0x03B1, 0, 0x0391},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -653,7 +783,7 @@ static struct key keys_compose_e[] = {
   {"ǝ", "Ə", 1.0, Copy, 0x0259, 0, 0x018F},
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift},
+  {"⇧", "⇫", 1.5, Mod, Shift},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE},
   {"", "", 0.0, EndRow},
@@ -674,7 +804,7 @@ static struct key keys_compose_y[] = {
   {"", "", 0.0, EndRow},
   {"υ", "Υ", 1.0, Copy, 0x03C5, 0, 0x03A5},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -697,12 +827,12 @@ static struct key keys_compose_u[] = {
   {"ŭ", "Ŭ", 1.0, Copy, 0x016D, 0, 0x016C},
   {"ů", "Ů", 1.0, Copy, 0x016F, 0, 0x016E},
   {"ű", "Ű", 1.0, Copy, 0x0171, 0, 0x0170},
-  {"ų", "Ų", 1.0, Copy, 0x0172, 0, 0x0173},
+  {"ų", "Ų", 1.0, Copy, 0x0173, 0, 0x0172},
   {"", "", 0.0, EndRow},
   {"υ", "Υ", 1.0, Copy, 0x03C5, 0, 0x03A5},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -724,14 +854,14 @@ static struct key keys_compose_o[] = {
   {"ø", "Ø", 1.0, Copy, 0x00F8, 0, 0x00D8},
   {"ō", "Ō", 1.0, Copy, 0x014D, 0, 0x014C},
   {"ŏ", "Ŏ", 1.0, Copy, 0x014F, 0, 0x014E},
-  {"ő", "Ő", 1.0, Copy, 0x0150, 0, 0x0151},
+  {"ő", "Ő", 1.0, Copy, 0x0151, 0, 0x0150},
   {"œ", "Œ", 1.0, Copy, 0x0153, 0, 0x0152},
   {"", "", 0.0, EndRow},
   {"ο", "Ο", 1.0, Copy, 0x03BF, 0, 0x039F},
   {"ω", "Ο", 1.0, Copy, 0x03C9, 0, 0x03A9},
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -760,7 +890,7 @@ static struct key keys_compose_i[] = {
   {"η", "Η", 1.0, Copy, 0x03B7, 0, 0x0397},
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -796,7 +926,7 @@ static struct key keys_emoji[] = {
   {"😒", "👀", 1.0, Copy, 0x1f612, 0, 0x1f440},
   {"😓", "💀", 1.0, Copy, 0x1f613, 0, 0x1f480},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.0, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.0, Mod, Shift, .scheme = 1},
   {"😛", "😜", 1.0, Copy, 0x1f61b, 0, 0x1f61c},
   {"😮", "😝", 1.0, Copy, 0x1f62e, 0, 0x1f61d},
   {"😟", "😞", 1.0, Copy, 0x1f61f, 0, 0x1f61e},
@@ -821,7 +951,7 @@ static struct key keys_emoji[] = {
 
 static struct key keys_nav[] = {
   {"Esc", "Esc", 1.0, Code, KEY_ESC, .scheme = 1},
-  {"", "", 1.0, Code, KEY_SPACE, .scheme = 1},
+  {"⌫", "⌫", 1.0, Code, KEY_BACKSPACE, .scheme = 1},
   {"↑", "↑", 1.0, Code, KEY_UP, .scheme = 1},
   {"⇈", "⇈", 1.0, Code, KEY_PAGEUP, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -833,7 +963,7 @@ static struct key keys_nav[] = {
   {"", "", 0.0, EndRow},
 
   {"Sym", "Sym", 1.0, NextLayer, .scheme = 1},
-  {"⌫", "⌫", 1.0, Code, KEY_BACKSPACE, .scheme = 1},
+  {"", "", 1.0, Code, KEY_SPACE, .scheme = 1},
   {"↓", "↓", 1.0, Code, KEY_DOWN, .scheme = 1},
   {"⇊", "⇊", 1.0, Code, KEY_PAGEDOWN, .scheme = 1},
   {"", "", 0.0, Last},
@@ -871,7 +1001,7 @@ static struct key keys_landscape[] = {
   {"-", "_", 0.5, Code, KEY_MINUS, &layouts[ComposeBracket], .scheme = 1},
   {"", "", 0.0, EndRow},
 
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"z", "Z", 1.0, Code, KEY_Z, &layouts[ComposeZ]},
   {"x", "X", 1.0, Code, KEY_X, &layouts[ComposeX]},
   {"c", "C", 1.0, Code, KEY_C, &layouts[ComposeC]},
@@ -903,7 +1033,7 @@ static struct key keys_compose_w[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -925,7 +1055,7 @@ static struct key keys_compose_r[] = {
   {"ρ", "Ρ", 1.0, Copy, 0x03C1, 0, 0x03A1},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -949,7 +1079,7 @@ static struct key keys_compose_t[] = {
   {"θ", "Θ", 1.0, Copy, 0x03B8, 0, 0x0398},
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -968,7 +1098,7 @@ static struct key keys_compose_p[] = {
   {"π", "Π", 1.0, Copy, 0x03C0, 0, 0x03A0},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -993,7 +1123,7 @@ static struct key keys_compose_s[] = {
   {"ς", "Σ", 1.0, Copy, 0x03C2, 0, 0x03A3},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1015,7 +1145,7 @@ static struct key keys_compose_d[] = {
   {"δ", "Δ", 1.0, Copy, 0x03B4, 0, 0x0394},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1034,7 +1164,7 @@ static struct key keys_compose_f[] = {
   {"φ", "Φ", 1.0, Copy, 0x03C6, 0, 0x03A6},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1055,7 +1185,7 @@ static struct key keys_compose_g[] = {
   {"γ", "Γ", 1.0, Copy, 0x03B3, 0, 0x0393},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1076,7 +1206,7 @@ static struct key keys_compose_h[] = {
   {"η", "Η", 1.0, Copy, 0x03B7, 0, 0x0397},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1095,7 +1225,7 @@ static struct key keys_compose_j[] = {
   {"", "", 0.0, EndRow},
   {"", "", 10.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1116,7 +1246,7 @@ static struct key keys_compose_k[] = {
   {"κ", "Κ", 1.0, Copy, 0x03BA, 0, 0x039A},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1138,7 +1268,7 @@ static struct key keys_compose_l[] = {
   {"λ", "Λ", 1.0, Copy, 0x03BB, 0, 0x039B},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1160,7 +1290,7 @@ static struct key keys_compose_z[] = {
   {"ζ", "Ζ", 1.0, Copy, 0x03B6, 0, 0x0396},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1180,7 +1310,7 @@ static struct key keys_compose_x[] = {
   {"ξ", "Ξ", 1.0, Copy, 0x03BE, 0, 0x039E},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1204,7 +1334,7 @@ static struct key keys_compose_c[] = {
   {"χ", "Χ", 1.0, Copy, 0x03C7, 0, 0x03A7},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1222,7 +1352,7 @@ static struct key keys_compose_v[] = {
   {"", "", 0.0, EndRow},
   {"", "", 10.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1241,7 +1371,7 @@ static struct key keys_compose_b[] = {
   {"β", "Β", 1.0, Copy, 0x03B2, 0, 0x0392},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1265,7 +1395,7 @@ static struct key keys_compose_n[] = {
   {"ν", "Ν", 1.0, Copy, 0x03BD, 0, 0x039D},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1284,7 +1414,7 @@ static struct key keys_compose_m[] = {
   {"μ", "Μ", 1.0, Copy, 0x03BC, 0, 0x039C},
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1303,7 +1433,7 @@ static struct key keys_compose_cyr_i[] = {
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1321,7 +1451,7 @@ static struct key keys_compose_cyr_j[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1339,7 +1469,7 @@ static struct key keys_compose_cyr_e[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1357,7 +1487,7 @@ static struct key keys_compose_cyr_u[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1375,7 +1505,7 @@ static struct key keys_compose_cyr_l[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1393,7 +1523,7 @@ static struct key keys_compose_cyr_n[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1412,7 +1542,7 @@ static struct key keys_compose_cyr_che[] = {
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1431,7 +1561,7 @@ static struct key keys_compose_cyr_tse[] = {
   {"", "", 8.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1449,7 +1579,7 @@ static struct key keys_compose_cyr_g[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1467,7 +1597,7 @@ static struct key keys_compose_cyr_k[] = {
   {"", "", 9.0, Pad},
   {"", "", 0.0, EndRow},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 1.5, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 1.5, Mod, Shift, .scheme = 1},
   {"", "", 7, Pad},
   {"⌫", "⌫", 1.5, Code, KEY_BACKSPACE, .scheme = 1},
   {"", "", 0.0, EndRow},
@@ -1494,18 +1624,18 @@ static struct key keys_compose_math[] = {
   {"", "", 0.0, EndRow},
   {"", "", 10.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 2, Mod, Shift, .scheme = 1},
-  {"-", "-", 1, Code, KEY_MINUS},
+  {"⇧", "⇫", 2, Mod, Shift, .scheme = 1},
   {"+", "+", 1, Code, KEY_EQUAL, 0, Shift},
   {"/", "/", 1, Code, KEY_SLASH},
   {"*", "*", 1, Code, KEY_8, 0, Shift},
   {"=", "=", 1, Code, KEY_EQUAL},
   {"_", "_", 1, Code, KEY_MINUS, 0, Shift},
+  {"—", "—", 1, Copy, 0x2014, 0, 0x2014},
   {"", "", 2, Pad},
   {"", "", 0.0, EndRow},
   {"Abc", "Abc", 1.0, BackLayer},
   {"Ctr", "Ctr", 1.0, Mod, Ctrl, .scheme = 1},
-  {",", "'", 1.0, Code, KEY_COMMA, &layouts[ComposeMath]},
+  {"-", "-", 1, Code, KEY_MINUS},
   {"", "", 4.0, Code, KEY_SPACE},
   {".", "?", 1.0, Code, KEY_DOT, &layouts[ComposePunctuation]},
   {"Enter", "Enter", 2.0, Code, KEY_ENTER, .scheme = 1},
@@ -1526,14 +1656,15 @@ static struct key keys_compose_punctuation[] = {
   {"", "", 0.0, EndRow},
   {"", "", 10.0, Pad},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 2, Mod, Shift, .scheme = 1},
-  {"", "", 1, Pad},
+  {"⇧", "⇫", 2, Mod, Shift, .scheme = 1},
+  {"…", "…", 1, Copy, 0x2026, 0, 0x2026},
   {":", ":", 1, Code, KEY_SEMICOLON, 0, Shift},
   {";", ";", 1, Code, KEY_SEMICOLON, 0},
   {"!", "!", 1, Code, KEY_1, 0, Shift},
   {"?", "?", 1, Code, KEY_DOT, 0, Shift},
   {",", ",", 1, Code, KEY_COMMA},
-  {"", "", 2, Pad},
+  {"·", "·", 1, Copy, 0x2027, 0, 0x2027},
+  {"", "", 1, Pad},
   {"", "", 0.0, EndRow},
   {"Abc", "Abc", 1.0, BackLayer},
   {"Ctr", "Ctr", 1.0, Mod, Ctrl, .scheme = 1},
@@ -1558,7 +1689,7 @@ static struct key keys_compose_bracket[] = {
   {"\"", "\"", 1, Code, KEY_APOSTROPHE, 0, Shift},
   {"'", "'", 1, Code, KEY_APOSTROPHE},
   {"", "", 0.0, EndRow},
-  {"⇧", "⇧", 2, Mod, Shift, .scheme = 1},
+  {"⇧", "⇫", 2, Mod, Shift, .scheme = 1},
   {"", "", 8, Pad},
   {"", "", 0.0, EndRow},
   {"Abc", "Abc", 1.0, BackLayer},

main.c

@@ -5,6 +5,8 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/mman.h>
+#include <sys/signalfd.h>
+#include <poll.h>
 #include <unistd.h>
 #include <wayland-client.h>
 #include <wchar.h>
@@ -45,6 +47,7 @@ static int cur_x = -1, cur_y = -1;
 static bool cur_press = false;
 static struct kbd keyboard;
 static uint32_t height, normal_height, landscape_height;
+static bool hidden = false;
 
 /* event handler prototypes */
 static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
@@ -250,29 +253,35 @@ static void
 display_handle_geometry(void *data, struct wl_output *wl_output, int x, int y,
                         int physical_width, int physical_height, int subpixel,
                         const char *make, const char *model, int transform) {
-	if (transform % 2 == 0 && keyboard.landscape) {
-		keyboard.landscape = false;
-		height = normal_height;
-	} else if (transform % 2 != 0 && !keyboard.landscape) {
-		keyboard.landscape = true;
-		height = landscape_height;
-	} else {
-		return; // no changes
+	// Swap width and height on rotated displays
+	if (transform % 2 != 0) {
+		int tmp = physical_width;
+		physical_width = physical_height;
+		physical_height = tmp;
 	}
 
+	bool landscape = physical_width > physical_height;
+	if (landscape == keyboard.landscape) return;
+	keyboard.landscape = landscape;
+
 	enum layout_id layer;
 	if (keyboard.landscape) {
 		layer = keyboard.landscape_layers[0];
+		height = landscape_height;
 	} else {
 		layer = keyboard.layers[0];
+		height = normal_height;
 	}
 
 	keyboard.layout = &keyboard.layouts[layer];
 	keyboard.prevlayout = keyboard.layout;
+	keyboard.layer_index = 0;
 
-	zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
-	zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
-	wl_surface_commit(draw_surf.surf);
+	if (layer_surface) {
+		zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
+		zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
+		wl_surface_commit(draw_surf.surf);
+	}
 }
 
 static void
@@ -325,11 +334,15 @@ handle_global_remove(void *data, struct wl_registry *registry, uint32_t name) {}
 void
 layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface,
                         uint32_t serial, uint32_t w, uint32_t h) {
-	keyboard.w = w + KBD_PIXEL_OVERSCAN_WIDTH;
-	keyboard.h = h;
-	kbd_resize(&keyboard, layouts, NumLayouts);
+	if (keyboard.w != w || keyboard.h != h) {
+		keyboard.w = w;
+		keyboard.h = h;
+		kbd_resize(&keyboard, layouts, NumLayouts);
+	}
 
 	zwlr_layer_surface_v1_ack_configure(surface, serial);
+
+	drwsurf_flip(&draw_surf);
 }
 
 void
@@ -346,19 +359,38 @@ usage(char *argv0) {
 	        "layers]\n",
 	        argv0);
 	fprintf(stderr, "Options:\n");
-	fprintf(stderr, "  -D         - Enable debug\n");
-	fprintf(stderr, "  -o         - Print pressed keys to standard output\n");
-	fprintf(stderr, "  -O         - Print intersected keys to standard output\n");
-	fprintf(stderr, "  -l         - Comma separated list of layers\n");
-	fprintf(stderr, "  -H [int]   - Height in pixels\n");
-	fprintf(stderr, "  -L [int]   - Landscape height in pixels\n");
+	fprintf(stderr, "  -D          - Enable debug\n");
+	fprintf(stderr, "  -o          - Print pressed keys to standard output\n");
+	fprintf(stderr, "  -O          - Print intersected keys to standard output\n");
+	fprintf(stderr, "  -l          - Comma separated list of layers\n");
+	fprintf(stderr, "  -H [int]    - Height in pixels\n");
+	fprintf(stderr, "  -L [int]    - Landscape height in pixels\n");
 	fprintf(stderr, "  --fn [font] - Set font (e.g: DejaVu Sans 20)\n");
-	fprintf(stderr, "  --hidden   - Start hidden (send SIGUSR2 to show)\n");
+	fprintf(stderr, "  --hidden    - Start hidden (send SIGUSR2 to show)\n");
+	fprintf(stderr, "  --bg [rrggbb|aa]       - Set color of background\n");
+	fprintf(stderr, "  --fg [rrggbb|aa]       - Set color of keys\n");
+	fprintf(stderr, "  --fg-sp [rrggbb|aa]    - Set color of special keys\n");
+	fprintf(stderr, "  --press [rrggbb|aa]     - Set color of pressed keys\n");
+	fprintf(stderr, "  --press-sp [rrggbb|aa]  - Set color of pressed special keys\n");
+	fprintf(stderr, "  --swipe [rrggbb|aa]    - Set color of swiped keys\n");
+	fprintf(stderr, "  --swipe-sp [rrggbb|aa] - Set color of swiped special keys\n");
+	fprintf(stderr, "  --text [rrggbb|aa]     - Set color of text on keys\n");
+	fprintf(stderr, "  --text-sp [rrggbb|aa]  - Set color of text on special keys\n");
+	fprintf(stderr, "  --list-layers          - Print the list of available layers\n");
 }
 
 void
-hide(int sigint) {
-	signal(SIGUSR1, hide);
+list_layers() {
+	int i;
+	for (i = 0; i < NumLayouts - 1; i++) {
+		if (layouts[i].name) {
+			puts(layouts[i].name);
+		}
+	}
+}
+
+void
+hide() {
 	if (!layer_surface) {
 		return;
 	}
@@ -366,15 +398,11 @@ hide(int sigint) {
 	zwlr_layer_surface_v1_destroy(layer_surface);
 	wl_surface_destroy(draw_surf.surf);
 	layer_surface = NULL;
-	if (draw_surf.cb) {
-		wl_callback_destroy(draw_surf.cb);
-		draw_surf.cb = NULL;
-	}
+	hidden = true;
 }
 
 void
-show(int sigint) {
-	signal(SIGUSR2, show);
+show() {
 	if (layer_surface) {
 		return;
 	}
@@ -382,7 +410,6 @@ show(int sigint) {
 	wl_display_sync(display);
 
 	draw_surf.surf = wl_compositor_create_surface(compositor);
-	;
 	layer_surface = zwlr_layer_shell_v1_get_layer_surface(
 	  layer_shell, draw_surf.surf, wl_output, layer, namespace);
 
@@ -395,7 +422,40 @@ show(int sigint) {
 	wl_surface_commit(draw_surf.surf);
 
 	wl_display_roundtrip(display);
+	kbd_resize(&keyboard, layouts, NumLayouts);
 	drwsurf_flip(&draw_surf);
+
+	hidden = false;
+}
+
+void
+toggle_visibility() {
+	if (hidden) show();
+	else hide();
+}
+
+void
+pipewarn() {
+	fprintf(stderr, "wvkbd: cannot pipe data out.\n");
+}
+
+void
+set_kbd_colors(uint8_t * bgra, char * hex) {
+	// bg, fg, text, high, swipe
+	int length = strlen(hex);
+	if (length == 6 || length == 8) {
+		char subhex[2];
+		memcpy(subhex, hex, 2);
+		bgra[2] = (int)strtol(subhex, NULL, 16);
+		memcpy(subhex, hex+2, 2);
+		bgra[1] = (int)strtol(subhex, NULL, 16);
+		memcpy(subhex, hex+4, 2);
+		bgra[0] = (int)strtol(subhex, NULL, 16);
+		if (length == 8) {
+			memcpy(subhex, hex+6, 2);
+			bgra[3] = (int)strtol(subhex, NULL, 16);
+		}
+	}
 }
 
 int
@@ -420,14 +480,11 @@ main(int argc, char **argv) {
 	keyboard.scheme = scheme;
 	keyboard.layer_index = 0;
 	keyboard.scheme1 = scheme1;
-	keyboard.scheme1 = scheme1;
-
-	bool starthidden = false;
 
 	int i;
 	for (i = 1; argv[i]; i++) {
 		if ((!strcmp(argv[i], "-v")) || (!strcmp(argv[i], "--version"))) {
-			printf("wvkbd-%s", VERSION);
+			printf("wvkbd-%s\n", VERSION);
 			exit(0);
 		} else if ((!strcmp(argv[i], "-h")) || (!strcmp(argv[i], "--help"))) {
 			usage(argv[0]);
@@ -440,6 +497,60 @@ main(int argc, char **argv) {
 			if (layer_names_list)
 				free(layer_names_list);
 			layer_names_list = estrdup(argv[++i]);
+		} else if ((!strcmp(argv[i], "-bg")) || (!strcmp(argv[i], "--bg"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme.bg.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-fg")) || (!strcmp(argv[i], "--fg"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme.fg.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-fg-sp")) || (!strcmp(argv[i], "--fg-sp"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme1.fg.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-press")) || (!strcmp(argv[i], "--press"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme.high.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-press-sp")) || (!strcmp(argv[i], "--press-sp"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme1.high.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-swipe")) || (!strcmp(argv[i], "--swipe"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme.swipe.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-swipe-sp")) || (!strcmp(argv[i], "--swipe-sp"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme1.swipe.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-text")) || (!strcmp(argv[i], "--text"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme.text.bgra, argv[++i]);
+		} else if ((!strcmp(argv[i], "-text-sp")) || (!strcmp(argv[i], "--text-sp"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
+			set_kbd_colors(keyboard.scheme1.text.bgra, argv[++i]);
 		} else if (!strcmp(argv[i], "-H")) {
 			if (i >= argc - 1) {
 				usage(argv[0]);
@@ -455,13 +566,22 @@ main(int argc, char **argv) {
 		} else if (!strcmp(argv[i], "-D")) {
 			keyboard.debug = true;
 		} else if ((!strcmp(argv[i], "-fn")) || (!strcmp(argv[i], "--fn"))) {
+			if (i >= argc - 1) {
+				usage(argv[0]);
+				exit(1);
+			}
 			fc_font_pattern = estrdup(argv[++i]);
 		} else if (!strcmp(argv[i], "-o")) {
 			keyboard.print = true;
 		} else if (!strcmp(argv[i], "-O")) {
 			keyboard.print_intersect = true;
-		} else if ((!strcmp(argv[i], "-hidden")) || (!strcmp(argv[i], "--hidden"))) {
-			starthidden = true;
+		} else if ((!strcmp(argv[i], "-hidden")) ||
+		           (!strcmp(argv[i], "--hidden"))) {
+			hidden = true;
+		} else if ((!strcmp(argv[i], "-list-layers")) ||
+		           (!strcmp(argv[i], "--list-layers"))) {
+			list_layers();
+			exit(0);
 		} else {
 			fprintf(stderr, "Invalid argument: %s\n", argv[i]);
 			usage(argv[0]);
@@ -509,34 +629,50 @@ main(int argc, char **argv) {
 	draw_ctx.font_description =
 	  pango_font_description_from_string(fc_font_pattern);
 
+	if (!hidden) show();
 
-	if (!starthidden) {
-		draw_surf.surf = wl_compositor_create_surface(compositor);
+	struct pollfd fds[2];
+	int WAYLAND_FD = 0;
+	int SIGNAL_FD = 1;
+	fds[WAYLAND_FD].events = POLLIN;
+	fds[SIGNAL_FD].events = POLLIN;
 
-		layer_surface = zwlr_layer_shell_v1_get_layer_surface(
-		  layer_shell, draw_surf.surf, wl_output, layer, namespace);
-
-		zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
-		zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
-		zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
-		zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false);
-		zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener,
-										   NULL);
-		wl_surface_commit(draw_surf.surf);
-
-		wl_display_roundtrip(display);
-		drwsurf_flip(&draw_surf);
+	fds[WAYLAND_FD].fd = wl_display_get_fd(display);
+	if (fds[WAYLAND_FD].fd == -1) {
+		die("Failed to get wayland_fd: %d\n", errno);
 	}
 
-	signal(SIGUSR1, hide);
-	signal(SIGUSR2, show);
+	sigset_t signal_mask;
+	sigemptyset(&signal_mask);
+	sigaddset(&signal_mask, SIGUSR1);
+	sigaddset(&signal_mask, SIGUSR2);
+	sigaddset(&signal_mask, SIGRTMIN);
+	sigaddset(&signal_mask, SIGPIPE);
+	if (sigprocmask(SIG_BLOCK, &signal_mask, NULL) == -1) {
+		die("Failed to disable handled signals: %d\n", errno);
+	}
+
+	fds[SIGNAL_FD].fd = signalfd(-1, &signal_mask, 0);
+	if (fds[SIGNAL_FD].fd == -1) {
+		die("Failed to get signalfd: %d\n", errno);
+	}
 
 	while (run_display) {
-		while (wl_display_dispatch(display) != -1 && layer_surface) {
-		}
-		wl_display_roundtrip(display);
-		while (run_display && !layer_surface) {
-			sleep(1);
+		wl_display_flush(display);
+		poll(fds, 2, -1);
+
+		if (fds[WAYLAND_FD].revents & POLLIN)
+			wl_display_dispatch(display);
+
+		if (fds[SIGNAL_FD].revents & POLLIN) {
+			struct signalfd_siginfo si;
+
+			if (read(fds[SIGNAL_FD].fd, &si, sizeof(si)) != sizeof(si))
+				fprintf(stderr, "Signal read error: %d", errno);
+			else if (si.ssi_signo == SIGUSR1) hide();
+			else if (si.ssi_signo == SIGUSR2) show();
+			else if (si.ssi_signo == SIGRTMIN) toggle_visibility();
+			else if (si.ssi_signo == SIGPIPE) pipewarn();
 		}
 	}
 

wvkbd.1

@@ -0,0 +1,71 @@
+.TH "wvkbd" "1" "2022-03-12"
+.P
+.SH NAME
+.P
+wvkbd - on-screen keyboard for wlroots
+.P
+.SH SYNOPSIS
+.P
+wvkbd-mobintl [OPTION]...
+.P
+.SH DESCRIPTION
+.P
+wvkbd is an on-screen keyboard for wlroots that sucks less.
+.P
+.SH OPTIONS
+.P
+\fB-D\fR
+.RS 4
+enable debug
+.P
+.RE
+\fB-o\fR
+.RS 4
+print pressed keys to standard output
+.P
+.RE
+\fB-O\fR
+.RS 4
+print intersected keys to standard output
+.P
+.RE
+\fB-l\fR
+.RS 4
+comma separated list of layers
+.P
+.RE
+\fB-H\fR \fIPX\fR
+.RS 4
+height in pixels
+.P
+.RE
+\fB-L\fR \fIPX\fR
+.RS 4
+landscape height in pixels
+.P
+.RE
+\fB--fn\fR \fIFONT\fR
+.RS 4
+set font (e.g: DejaVu Sans 20)
+.P
+.RE
+\fB--hidden\fR
+.RS 4
+start hidden (send SIGUSR2 to show, SIGUSR1 to hide, SIGRTMIN to toggle)
+.P
+.RE
+\fB-v\fR, \fB--version\fR
+.RS 4
+print version
+.P
+.RE
+\fB-h\fR, \fB--help\fR
+.RS 4
+show help
+.P
+.RE
+.SH AUTHORS
+.P
+Created by John Sullivan <jsullivan@csumb.edu>, maintained by the Sxmo project in
+collaboration with other open source contributors. For more information about wvkbd development, see
+<https://git.sr.ht/~proycon/wvkbd> or <https://github.com/jjsullivan5196/wvkbd>.