commit a43dc600d68ea3c4e38bf0c6c90bc4d92b1393d5
parent d31ebb5431df658a1914ebe73654c11a993fff02
Author: Luke Willis <lukejw@loquat.dev>
Date: Fri, 3 Apr 2026 00:47:04 -0400
Implement basic UI scaffolding, make minor changes and add LICENSE.md
Diffstat:
11 files changed, 1177 insertions(+), 26 deletions(-)
diff --git a/LICENSE.md b/LICENSE.md
@@ -0,0 +1,675 @@
+# GNU GENERAL PUBLIC LICENSE
+
+Version 3, 29 June 2007
+
+Copyright (C) 2007 Free Software Foundation, Inc.
+<https://fsf.org/>
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+## Preamble
+
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+
+The licenses for most software and other practical works are designed
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+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+## How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands \`show w' and \`show c' should show the
+appropriate parts of the General Public License. Of course, your
+program's commands might be different; for a GUI interface, you would
+use an "about box".
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU GPL, see <https://www.gnu.org/licenses/>.
+
+The GNU General Public License does not permit incorporating your
+program into proprietary programs. If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library. If this is what you want to do, use the
+GNU Lesser General Public License instead of this License. But first,
+please read <https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/README.md b/README.md
@@ -1,11 +1,11 @@
# Widgets in Guile
-`wig` is a lightweight tool for creating custom Wayland widgets via Guile
+Wig is a lightweight tool for creating custom Wayland widgets via Guile
Scheme.
## Design
-`wig` is split into two main halves, C and Scheme.
+Wig is split into two main halves, C and Scheme.
The Scheme half both provides methods for the user configuration and prepares
it for use in C by validating and flattening it.
@@ -14,6 +14,6 @@ The C half manages the main event loop, input, rendering and so on.
## TODO
-- Improve README
-- Handle callbacks
-- Proper GUI
+- Text rendering
+- Callbacks / UI events
+- Proper error handling and cleanup
diff --git a/meson.build b/meson.build
@@ -32,7 +32,7 @@ common_sources = files('src/surface.c', 'src/window.c')
executable(
'wig',
wayland_protocols,
- common_sources + ['src/main.c'],
+ common_sources + ['src/globals.c', 'src/main.c'],
install : true,
dependencies : deps
)
diff --git a/scm/wig.scm b/scm/wig.scm
@@ -1,22 +1,125 @@
+;;; Wig --- Widgets in Guile
+;;; Copyright © 2026 Luke Willis <lukejw@monastech.xyz>
+;;;
+;;; This file is part of Wig.
+;;;
+;;; Wig is free software: you can redistribute it and/or modify it under
+;;; the terms of the GNU General Public License as published by the Free
+;;; Software Foundation, either version 3 of the License, or (at your option)
+;;; any later version.
+;;;
+;;; Wig is distributed in the hope that it will be useful, but WITHOUT
+;;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+;;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+;;; for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License along
+;;; with Wig. If not, see <https://www.gnu.org/licenses/>.
+
(define-module (wig)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
- #:export (anchors
+ #:use-module (ice-9 match)
+ #:use-module (system foreign)
+ #:use-module (rnrs bytevectors)
+ #:export (widget
+ widget?
+ widget-hexpand
+ widget-vexpand
+ widget-width
+ widget-height
+ widget-contents
+
+ anchors
anchors?
anchors-top
anchors-bottom
anchors-left
anchors-right
+
window
window?
window-label
window-anchors
window-width
window-height
+
configuration
configuration?
configuration-windows))
+;; Widget-related records
+
+(define-record-type <widget>
+ (make-widget ghost valign hexpand vexpand width height margin color contents)
+ widget?
+ (ghost widget-ghost)
+ (valign widget-valign)
+ (hexpand widget-hexpand)
+ (vexpand widget-vexpand)
+ (width widget-width)
+ (height widget-height)
+ (margin widget-margin)
+ (color widget-color)
+ (contents widget-contents))
+
+(define (widgets-predict-layout widgets)
+ "Find the minimum width to contain a list of widgets."
+ (let loop ((queue widgets)
+ (prev #f)
+ (reserved 0)
+ (slots 0))
+ (if (null? queue)
+ (cons slots (+ reserved prev))
+ (let* ((current (car queue))
+ (width (widget-width current))
+ (height (widget-height current))
+ (margin (widget-margin current)))
+ (if (widget-hexpand current)
+ (loop (cdr queue)
+ margin
+ (+ reserved (max (or prev 0) margin))
+ (+ slots 1))
+ (loop (cdr queue)
+ margin
+ (+ reserved (max (or prev 0) margin) width)
+ slots))))))
+
+(define* (widget #:key
+ (ghost #f)
+ (valign #t)
+ (hexpand #f)
+ (vexpand #f)
+ (width 0)
+ (height 0)
+ (margin 0)
+ (color #xFF00FF)
+ (contents #f))
+ (make-widget ghost
+ valign
+ hexpand
+ vexpand
+ ;; Expand to fit children if too small
+ (if (list? contents)
+ (match (widgets-predict-layout contents)
+ ((slots . reserved)
+ (if (< width reserved)
+ reserved
+ width)))
+ width)
+ (if (list? contents)
+ (fold (lambda (in out)
+ (max out (+ (widget-height in)
+ (* (widget-margin in) 2))))
+ height
+ contents)
+ height)
+ margin
+ color
+ contents))
+
+;; Window-related records
+
(define-record-type <anchors>
(make-anchors top bottom left right)
anchors?
@@ -34,18 +137,19 @@
(boolean? bottom)
(boolean? left)
(boolean? right))
- (error "Invalid anchors!"))
+ (error "Invalid anchors!"))
(make-anchors top bottom left right))
(define-record-type <window>
- (make-window label anchors exclusive width height margin)
+ (make-window label anchors exclusive width height margin widgets)
window?
(label window-label)
(anchors window-anchors)
(exclusive window-exclusive)
(width window-width)
(height window-height)
- (margin window-margin))
+ (margin window-margin)
+ (widgets window-widgets))
(define* (window #:key
(label "wig_window")
@@ -53,30 +157,204 @@
(exclusive #f)
(width 0)
(height 0)
- (margin 0))
+ (margin 0)
+ (widgets (list (widget #:hexpand #t
+ #:vexpand #t
+ #:width 0
+ #:height 0
+ #:color #xFFFFFF))))
(unless (and (string? label)
(anchors? anchors)
(boolean? exclusive)
(integer? width)
(integer? height)
- (integer? margin))
- (error "Invalid window!"))
+ (integer? margin)
+ (list? widgets)
+ (every widget? widgets))
+ (error "Invalid window!"))
(when (and (anchors-top anchors)
(anchors-bottom anchors)
(anchors-left anchors)
(anchors-right anchors)
exclusive)
- (error "A window cannot anchor to all sides and be exclusive."))
- (make-window label anchors exclusive width height margin))
+ (error "A window cannot anchor to all sides and be exclusive."))
+ (make-window label anchors exclusive width height margin widgets))
(define-record-type <configuration>
- (make-configuration windows)
+ (make-configuration font windows)
configuration?
+ (font configuration-font)
(windows configuration-windows))
(define* (configuration #:key
+ (font "monospace:size=14")
(windows '()))
- (unless (and (list? windows)
+ (unless (and (string? font)
+ (list? windows)
(every window? windows))
- (error "Invalid configuration!"))
- (make-configuration windows))
+ (error "Invalid configuration!"))
+ (make-configuration font windows))
+
+;; Private compilation types/functions
+
+(define-record-type <region>
+ (make-region x y width height)
+ region?
+ (x region-x)
+ (y region-y)
+ (width region-width)
+ (height region-height))
+
+(define* (region #:key
+ x
+ y
+ width
+ height)
+ (make-region x y width height))
+
+(define (count-widgets widgets)
+ "Return the total number of widgets in a tree of widgets."
+ (cond ((pair? widgets)
+ (+ (count-widgets (car widgets))
+ (count-widgets (cdr widgets))))
+ ((widget? widgets)
+ (+ 1 (count-widgets (widget-contents widgets))))
+ (else 0)))
+
+
+(define (flatten-widgets widgets container)
+ (let* ((data (widgets-predict-layout widgets))
+ (slots (car data))
+ (reserved (cdr data))
+ (slot-width (if (> slots 0)
+ (/ (- (region-width container) reserved)
+ slots)
+ 0)))
+ (let loop ((queue widgets)
+ (x (region-x container))
+ (y (region-y container))
+ (prev #f)
+ (result '()))
+ (if (null? queue)
+ result
+ (let* ((current (car queue))
+ (margin (widget-margin current))
+ (width (if (widget-hexpand current)
+ slot-width
+ (widget-width current)))
+ (height (if (widget-vexpand current)
+ (- (region-height container)
+ (* margin 2))
+ (widget-height current)))
+ (nx (+ x (max (or prev 0) margin)))
+ (ny (+ y
+ (if (and (not (widget-vexpand current))
+ (widget-valign current))
+ (- (/ (region-height container) 2)
+ (/ height 2))
+ margin) ))
+ )
+ (loop (cdr queue)
+ (+ nx width)
+ y
+ margin
+ (cons (cons current
+ (region #:x nx
+ #:y ny
+ #:width width
+ #:height height))
+ result)))))))
+
+(define (flatten-widgets-old widgets reg)
+ "Fit a list of widgets inside a region, returning widget/region pairs."
+ (let* ((data (fold (lambda (input output)
+ (if (widget-hexpand input)
+ (cons (+ (car output) 1)
+ (cdr output))
+ (cons (car output)
+ (+ (cdr output)
+ (widget-width input)
+ (* (widget-margin input) 2)))))
+ '(0 . 0)
+ widgets))
+ (num-hexpand (car data))
+ (reserved-width (cdr data))
+ (hexpand-size (if (> num-hexpand 0)
+ (/ (- (region-width reg) reserved-width)
+ num-hexpand)
+ 0)))
+ (let loop ((queue widgets)
+ (result '())
+ (x (region-x reg))
+ (y (region-y reg)))
+ (if (null? queue)
+ result
+ (let* ((widget (car queue))
+ (width (if (widget-hexpand widget)
+ hexpand-size
+ (widget-width widget)))
+ (height (if (widget-vexpand widget)
+ (region-height reg)
+ (widget-height widget))))
+ (loop (cdr queue)
+ (cons (cons widget
+ (region #:x (+ x (widget-margin widget))
+ #:y (+ y (if (and (not (widget-vexpand widget))
+ (widget-valign widget))
+ (- (/ (region-height reg) 2)
+ (/ height 2))
+ 0))
+ #:width width
+ #:height height))
+ result)
+ (+ x width (* (widget-margin widget) 2))
+ y))))))
+
+;; TODO: Look into using bstructs
+
+(define (bools-to-bitflags bools)
+ (fold (lambda (in out)
+ (+ (if in 1 0)
+ (ash out 1)))
+ 0
+ bools))
+
+(define (compile-widgets widgets width height bv)
+ "Fit a tree of widgets into a region, writing results into a bytevector."
+ (let loop ((queue (flatten-widgets widgets
+ (region #:x 0
+ #:y 0
+ #:width width
+ #:height height)))
+ (result '())
+ (index 0))
+ (if (null? queue)
+ result
+ (let* ((current (car queue))
+ (widget (car current))
+ (region (cdr current)))
+ ;; struct wig_widget {
+ ;; uint32_t x;
+ ;. uint32_t y;
+ ;; uint32_t width;
+ ;; uint32_t height;
+ ;; uint32_t color;
+ ;; uint32_t flags;
+ ;; }
+ (bytevector-u32-native-set! bv (+ index (* 4 0)) (region-x region))
+ (bytevector-u32-native-set! bv (+ index (* 4 1)) (region-y region))
+ (bytevector-u32-native-set! bv (+ index (* 4 2)) (region-width region))
+ (bytevector-u32-native-set! bv (+ index (* 4 3)) (region-height region))
+ (bytevector-u32-native-set! bv (+ index (* 4 4)) (widget-color widget))
+ (bytevector-u32-native-set! bv (+ index (* 4 5))
+ (bools-to-bitflags
+ (list
+ (widget-ghost widget))))
+ ;; Iterate
+ (loop (if (list? (widget-contents widget))
+ (append (flatten-widgets (widget-contents widget)
+ region)
+ (cdr queue))
+ (cdr queue))
+ (cons region result)
+ (+ index (* 4 6)))))))
diff --git a/src/globals.c b/src/globals.c
@@ -0,0 +1,6 @@
+#include <libguile.h>
+
+#include "globals.h"
+
+SCM scm_count_widgets = SCM_UNDEFINED;
+SCM scm_compile_widgets = SCM_UNDEFINED;
diff --git a/src/globals.h b/src/globals.h
@@ -0,0 +1,21 @@
+#ifndef WIG_GLOBALS
+#define WIG_GLOBALS
+
+#include <libguile.h>
+
+extern SCM scm_count_widgets;
+extern SCM scm_compile_widgets;
+
+#define scm_wig_count_widgets(scm_widgets) \
+ scm_call_1(scm_count_widgets, scm_widgets)
+
+#define scm_wig_compile_widgets(scm_widgets, scm_w, scm_h, scm_bv) \
+ scm_call_4(scm_compile_widgets, scm_widgets, scm_from_uint32(scm_w), \
+ scm_from_uint32(scm_h), scm_bv)
+
+#define scm_c_pointer_to_bytevector(ptr, len) \
+ scm_pointer_to_bytevector(scm_from_pointer(ptr, NULL), \
+ scm_from_size_t(len), scm_from_size_t(0), \
+ scm_from_utf8_symbol("u8"))
+
+#endif
diff --git a/src/main.c b/src/main.c
@@ -1,12 +1,33 @@
+/*
+ * Wig --- Widgets in Guile
+ * Copyright © 2026 Luke Willis <lukejw@monastech.xyz>
+ *
+ * This file is part of Wig.
+ *
+ * Wig is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Wig is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Wig. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#include <libguile.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
-#include <wayland-client.h>
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
+#include <wayland-client.h>
+#include "globals.h"
#include "surface.h"
#include "window.h"
@@ -57,8 +78,11 @@ configure_and_run(void *data)
{
struct wig_state *state = data;
- SCM wig_scm_config_type = scm_c_private_ref("wig", "<configuration>");
+ /* Load global functions/types */
+ scm_count_widgets = scm_c_private_ref("wig", "count-widgets");
+ scm_compile_widgets = scm_c_private_ref("wig", "compile-widgets");
+ SCM wig_scm_config_type = scm_c_private_ref("wig", "<configuration>");
SCM scm_config = scm_c_primitive_load("wig.scm");
if (scm_is_false(scm_eq_p(scm_struct_vtable(scm_config),
@@ -68,7 +92,7 @@ configure_and_run(void *data)
}
/* Load and create windows */
- SCM scm_windows = scm_struct_ref(scm_config, scm_from_int(0));
+ SCM scm_windows = scm_struct_ref(scm_config, scm_from_int(1));
size_t num_windows = scm_to_size_t(scm_length(scm_windows));
state->windows = malloc(num_windows * sizeof(struct wig_window));
@@ -95,10 +119,13 @@ configure_and_run(void *data)
uint32_t margin = scm_to_uint32(
scm_struct_ref(scm_window, scm_from_int(5)));
+ SCM widgets = scm_struct_ref(scm_window, scm_from_int(6));
+
struct wig_surface surface;
wig_surface_init(&surface, state->wl_shm, state->wl_compositor);
struct wig_window *window = &state->windows[i];
+ window->widgets = widgets;
wig_window_init(window, label, surface,
state->zwlr_layer_shell_v1);
diff --git a/src/surface.c b/src/surface.c
@@ -1,3 +1,23 @@
+/*
+ * Wig --- Widgets in Guile
+ * Copyright © 2026 Luke Willis <lukejw@monastech.xyz>
+ *
+ * This file is part of Wig.
+ *
+ * Wig is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Wig is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Wig. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
@@ -118,6 +138,8 @@ wig_surface_reconfigure(struct wig_surface *surface, uint32_t width,
return -1;
}
+ memset(buffer, 0, size);
+
struct wl_shm_pool *pool =
wl_shm_create_pool(surface->wl_shm, fd, size);
struct wl_buffer *wl_buffer = wl_shm_pool_create_buffer(
@@ -125,10 +147,6 @@ wig_surface_reconfigure(struct wig_surface *surface, uint32_t width,
wl_shm_pool_destroy(pool);
close(fd);
- pixman_fill(buffer, width, 32, 0, 0, width, height, 0xFFCECDC3);
-
- pixman_fill(buffer, width, 32, 2, 2, width - 4, height - 4, 0xFFFFFCF0);
-
wl_buffer_add_listener(wl_buffer, &wl_buffer_listener, surface);
surface->configured = 1;
diff --git a/src/surface.h b/src/surface.h
@@ -1,3 +1,23 @@
+/*
+ * Wig --- Widgets in Guile
+ * Copyright © 2026 Luke Willis <lukejw@monastech.xyz>
+ *
+ * This file is part of Wig.
+ *
+ * Wig is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Wig is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Wig. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#ifndef WIG_SURFACE
#define WIG_SURFACE
diff --git a/src/window.c b/src/window.c
@@ -1,12 +1,46 @@
+/*
+ * Wig --- Widgets in Guile
+ * Copyright © 2026 Luke Willis <lukejw@monastech.xyz>
+ *
+ * This file is part of Wig.
+ *
+ * Wig is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Wig is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Wig. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#include <stdint.h>
#include <stdio.h>
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
+#include <pixman.h>
#include <wayland-client.h>
+#include "globals.h"
#include "surface.h"
#include "window.h"
+static inline uint32_t
+min_u32(uint32_t a, uint32_t b)
+{
+ return (a < b) ? a : b;
+}
+
+static inline uint32_t
+max_u32(uint32_t a, uint32_t b)
+{
+ return (a > b) ? a : b;
+}
+
static void
zwlr_layer_surface_v1_configure(
void *data, struct zwlr_layer_surface_v1 *zwlr_layer_surface_v1,
@@ -30,6 +64,42 @@ zwlr_layer_surface_v1_configure(
return;
}
+ size_t num_widgets =
+ scm_to_size_t(scm_wig_count_widgets(window->widgets));
+ size_t size = num_widgets * sizeof(struct wig_widget);
+ struct wig_widget *widgets = malloc(size);
+ SCM bv = scm_c_pointer_to_bytevector(widgets, size);
+
+ scm_wig_compile_widgets(window->widgets, window->surface.width,
+ window->surface.height, bv);
+
+ for (size_t i = 0; i < num_widgets; i++) {
+ struct wig_widget widget = widgets[i];
+
+ fprintf(stderr, "Widget %zu\n", i);
+ fprintf(stderr, " X: %u\n", widget.x);
+ fprintf(stderr, " Y: %u\n", widget.y);
+ fprintf(stderr, " W: %u\n", widget.width);
+ fprintf(stderr, " H: %u\n", widget.height);
+ fprintf(stderr, " Color: %08X\n", widget.color);
+ fprintf(stderr, " Flags: %08X\n", widget.flags);
+
+ if (widget.flags & WIDGET_GHOST) {
+ fprintf(stderr, " Ghost!\n");
+ continue;
+ }
+
+ if (widget.x >= width || widget.y >= height) {
+ fprintf(stderr, " Out of bounds! Skipping...\n");
+ continue;
+ }
+
+ pixman_fill(window->surface.buffer, width, 32, widget.x,
+ widget.y, min_u32(widget.width, width - widget.x),
+ min_u32(widget.height, height - widget.y),
+ widget.color | 0xFF000000);
+ }
+
wig_surface_commit(&window->surface);
}
diff --git a/src/window.h b/src/window.h
@@ -1,15 +1,51 @@
+/*
+ * Wig --- Widgets in Guile
+ * Copyright © 2026 Luke Willis <lukejw@monastech.xyz>
+ *
+ * This file is part of Wig.
+ *
+ * Wig is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Wig is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Wig. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#ifndef WIG_WINDOW
#define WIG_WINDOW
#include <stdint.h>
+
+#include <libguile.h>
#include <wayland-client.h>
#include "surface.h"
+enum {
+ WIDGET_GHOST = 1 << 0,
+};
+
+struct wig_widget {
+ uint32_t x;
+ uint32_t y;
+ uint32_t width;
+ uint32_t height;
+ uint32_t color;
+ uint32_t flags;
+};
+
struct wig_window {
char *label;
struct wig_surface surface;
struct zwlr_layer_surface_v1 *zwlr_layer_surface_v1;
+ SCM widgets;
};
int wig_window_init(struct wig_window *window, char *label,
