Use wvkbd keymap to generate keyboard

Author: progandy

COPYING

@@ -0,0 +1,12 @@
+Copyright © 2024 ProgAndy
+
+keyboard.h and layout.mobintl.h are licensed by John Sullivan 
+<[email protected]> under the GPL v3.0 license as part of wvkbd. 
+Unused elements have been removed from keyboard.h
+
+The framework for the gtklock plugin has been copied from the
+gtklock-playerctl-module by Jovan Lanik which is also licensed under
+the GPL v3.0 license.
+
+All code in this repository falls under the terms of the GPL v3.0 license,
+which can be found in LICENSE.

Makefile

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+# gtklock-virtkb-module
+# Copyright (c) 2024 ProgAndy
+
+# Makefile
+
+NAME := virtkb-module.so
+
+PREFIX = /usr/local
+LIBDIR = $(PREFIX)/lib
+INSTALL = install
+
+LIBS := gtk+-3.0 gmodule-export-2.0 
+CFLAGS += -std=c11 -fPIC $(shell pkg-config --cflags $(LIBS))
+LDLIBS += $(shell pkg-config --libs $(LIBS))
+
+SRC = $(wildcard *.c)
+OBJ = $(SRC:%.c=%.o)
+
+TRASH = $(OBJ) $(NAME)
+
+.PHONY: all clean install uninstall
+
+all: $(NAME)
+
+clean:
+	@rm $(TRASH) | true
+
+install:
+	$(INSTALL) -d $(DESTDIR)$(LIBDIR)/gtklock
+	$(INSTALL) $(NAME) $(DESTDIR)$(LIBDIR)/gtklock/$(NAME)
+
+uninstall:
+	rm -f $(DESTDIR)$(LIBDIR)/gtklock/$(NAME)
+
+$(NAME): $(OBJ)
+	$(LINK.c) -shared $^ $(LDLIBS) -o $@
+

README.md

@@ -1,2 +1,11 @@
 # gtklock-virtkb-module
-Provides a virtual keyboard for touchscreens on the lockscreen
+gtklock module adding a keyboard to the lockscreen
+
+## About
+Adds a keyboard for password entry to the lockscreen
+
+__⚠️ Module version matches the compatible gtklock version. Other versions might or might not work.__
+## Dependencies
+- GNU Make (build-time)
+- pkg-config (build-time)
+- gtk+3.0

build.sh

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+#include <stdbool.h>
+#define MAX_LAYERS 25
+
+enum key_type;
+enum key_modifier_type;
+struct key;
+struct layout;
+struct kbd;
+
+enum key_type {
+	Pad = 0, // Padding, not a pressable key
+	Code,    // A normal key emitting a keycode
+	Mod,     // A modifier key
+	Copy,    // Copy key, copies the unicode value specified in code (creates and
+	         // activates temporary keymap)
+	         // used for keys that are not part of the keymap
+	Layout,  // Layout switch to a specific layout
+	BackLayer, // Layout switch to the layout that was previously active
+	NextLayer, // Layout switch to the next layout in the layers sequence
+	Compose,   // Compose modifier key, switches to a specific associated layout
+	           // upon next keypress
+	EndRow,    // Incidates the end of a key row
+	Last,      // Indicated the end of a layout
+};
+
+/* Modifiers passed to the virtual_keyboard protocol. They are based on
+ * wayland's wl_keyboard, which doesn't document them.
+ */
+enum key_modifier_type {
+	NoMod = 0,
+	Shift = 1,
+	CapsLock = 2,
+	Ctrl = 4,
+	Alt = 8,
+	Super = 64,
+	AltGr = 128,
+};
+
+struct key {
+	const char *label;       // primary label
+	const char *shift_label; // secondary label
+	const double width;      // relative width (1.0)
+	const enum key_type type;
+
+	const uint32_t
+	  code;                  /* code: key scancode or modifier name (see
+	                          *   `/usr/include/linux/input-event-codes.h` for scancode names, and
+	                          *   `keyboard.h` for modifiers)
+	                          *   XKB keycodes are +8 */
+	struct layout *layout;   // pointer back to the parent layout that holds this
+	                         // key
+	const uint32_t code_mod; /* modifier to force when this key is pressed */
+	uint8_t scheme;          // index of the scheme to use
+	bool reset_mod;          /* reset modifiers when clicked */
+
+	// actual coordinates on the surface (pixels), will be computed automatically
+	// for all keys
+	uint32_t x, y, w, h;
+};
+
+struct layout {
+	struct key *keys;
+	const char *keymap_name;
+	const char *name;
+	bool abc; //is this an alphabetical/abjad layout or not? (i.e. something that is a primary input layout)
+	uint32_t keyheight; // absolute height (pixels)
+};