Read rc.xml and begin parsing

data/rc.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<openbox_config xmlns="http://openbox.org/3.4/rc"
+		xmlns:xi="http://www.w3.org/2001/XInclude">
+
+<!-- wlroots specific settings - not part of openbox -->
+<wlroots>
+  <!-- Use client-side decorations for xdg-shell views -->
+  <csd>no</csd>
+</wlroots>
+
+</openbox_config>

include/labwc.h

@@ -34,7 +34,6 @@
 #define XCURSOR_MOVE "grabbing"
 #define XWL_TITLEBAR_HEIGHT (10)
 #define XWL_WINDOW_BORDER (3)
-#define LAB_DISABLE_CSD (0)
 
 enum cursor_mode {
 	LAB_CURSOR_PASSTHROUGH,

include/rcxml.h

@@ -0,0 +1,17 @@
+#ifndef RCXML_H
+#define RCXML_H
+
+#include <stdio.h>
+#include <stdbool.h>
+
+struct rcxml {
+	bool client_side_decorations;
+};
+
+extern struct rcxml rc;
+
+void rcxml_init(struct rcxml *rc);
+void rcxml_read(const char *filename);
+void rcxml_set_verbose(void);
+
+#endif /* RCXML_H */

meson.build

@@ -40,13 +40,16 @@ endif
 wayland_server  = dependency('wayland-server')
 wayland_protos  = dependency('wayland-protocols')
 xkbcommon       = dependency('xkbcommon')
+xml2            = dependency('libxml-2.0')
 
 labwc_inc       = include_directories('include')
 
 subdir('protocols')
 subdir('src')
 
-labwc_deps      = [ server_protos, wayland_server, wlroots, xkbcommon, ]
+labwc_deps      = [
+  server_protos, wayland_server, wlroots, xkbcommon, xml2
+]
 
 executable(
   meson.project_name(),

src/config/meson.build

@@ -0,0 +1,3 @@
+labwc_sources += files(
+  'rcxml.c',
+)

src/config/rcxml.c

@@ -0,0 +1,174 @@
+#define _POSIX_C_SOURCE 200112L
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <ctype.h>
+#include <stdbool.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "rcxml.h"
+
+static bool in_keybind = false;
+static bool is_attribute = false;
+static bool verbose = false;
+
+static void rstrip(char *buf, const char *pattern)
+{
+	char *p = strstr(buf, pattern);
+	if (!p)
+		return;
+	*p = '\0';
+}
+
+static void fill_keybind(xmlNode *n, char *nodename, char *content)
+{
+	rstrip(nodename, ".keybind.keyboard");
+	if (!strcmp(nodename, "name.action")) {
+		; /* TODO: populate keybind with stuff */
+	}
+}
+
+static bool get_bool(const char *s)
+{
+	if (!s)
+		return false;
+	if (!strcasecmp(s, "yes"))
+		return true;
+	if (!strcasecmp(s, "true"))
+		return true;
+	return false;
+}
+
+static void entry(xmlNode *node, char *nodename, char *content)
+{
+	if (!nodename)
+		return;
+	rstrip(nodename, ".openbox_config");
+	if (verbose) {
+		if (is_attribute)
+			printf("@");
+		printf("%s: %s\n", nodename, content);
+	}
+	if (!content)
+		return;
+	if (in_keybind)
+		fill_keybind(node, nodename, content);
+	if (!strcmp(nodename, "csd.wlroots"))
+		rc.client_side_decorations = get_bool(content);
+}
+
+static void keybind_begin(void)
+{
+	/* TODO: xcalloc struct keybind */
+	in_keybind = true;
+}
+
+static void keybind_end(void)
+{
+	in_keybind = false;
+	/* TODO: wl_list_add keybind */
+}
+
+static char *nodename(xmlNode *node, char *buf, int len)
+{
+	if (!node || !node->name)
+		return NULL;
+
+	/* Ignore superflous 'text.' in node name */
+	if (node->parent && !strcmp((char *)node->name, "text"))
+		node = node->parent;
+
+	buf += len;
+	*--buf = 0;
+	len--;
+
+	char *p = buf;
+	p[--len] = 0;
+	for (;;) {
+		const char *name = (char *)node->name;
+		char c;
+		while ((c = *name++) != 0) {
+			*p++ = tolower(c);
+			if (!--len)
+				return buf;
+		}
+		*p = 0;
+		node = node->parent;
+		if (!node || !node->name)
+			return buf;
+		*p++ = '.';
+		if (!--len)
+			return buf;
+	}
+}
+
+static void process_node(xmlNode *node)
+{
+	char *content;
+	static char buffer[256];
+	char *name;
+
+	content = (char *)node->content;
+	if (xmlIsBlankNode(node))
+		return;
+	name = nodename(node, buffer, sizeof(buffer));
+	entry(node, name, content);
+}
+
+static void xml_tree_walk(xmlNode *node);
+
+static void traverse(xmlNode *n)
+{
+	process_node(n);
+	is_attribute = true;
+	for (xmlAttr *attr = n->properties; attr; attr = attr->next)
+		xml_tree_walk(attr->children);
+	is_attribute = false;
+	xml_tree_walk(n->children);
+}
+
+static void xml_tree_walk(xmlNode *node)
+{
+	for (xmlNode *n = node; n && n->name; n = n->next) {
+		if (!strcasecmp((char *)n->name, "comment"))
+			continue;
+		if (!strcasecmp((char *)n->name, "keybind")) {
+			keybind_begin();
+			traverse(n);
+			keybind_end();
+			continue;
+		}
+		traverse(n);
+	}
+}
+
+static void parse_xml(const char *filename)
+{
+	xmlDoc *d = xmlReadFile(filename, NULL, 0);
+	if (!d) {
+		fprintf(stderr, "fatal: error reading file '%s'\n", filename);
+		exit(EXIT_FAILURE);
+	}
+	printf("info: reading config file '%s'\n", filename);
+	xml_tree_walk(xmlDocGetRootElement(d));
+	xmlFreeDoc(d);
+	xmlCleanupParser();
+}
+
+void rcxml_init(struct rcxml *rc)
+{
+	LIBXML_TEST_VERSION
+}
+
+void rcxml_read(const char *filename)
+{
+	parse_xml(filename);
+}
+
+void rcxml_set_verbose(void)
+{
+	verbose = true;
+}

src/main.c

@@ -1,6 +1,8 @@
 #include "labwc.h"
+#include "rcxml.h"
 
 struct server server = { 0 };
+struct rcxml rc = { 0 };
 
 int main(int argc, char *argv[])
 {
@@ -23,6 +25,10 @@ int main(int argc, char *argv[])
 		return 0;
 	}
 
+	rcxml_init(&rc);
+	rcxml_set_verbose();
+	rcxml_read("data/rc.xml");
+
 	/* Wayland requires XDG_RUNTIME_DIR to be set */
 	if (!getenv("XDG_RUNTIME_DIR")) {
 		wlr_log(WLR_ERROR, "XDG_RUNTIME_DIR is not set");

src/meson.build

@@ -11,4 +11,5 @@ labwc_sources = files(
   'xwl.c',
 )
 
+subdir('config')
 subdir('debug')

src/output.c

@@ -1,4 +1,5 @@
 #include "labwc.h"
+#include "rcxml.h"
 
 static float window_active_title_bg[] = { 0.29, 0.55, 0.78, 1.0 };
 static float window_active_handle_bg[] = { 0.21, 0.49, 0.71, 1.0 };
@@ -23,7 +24,8 @@ static void render_cycle_box(struct output *output)
 		if (view != output->server->cycle_view)
 			continue;
 		struct wlr_box box;
-		if ((view->type == LAB_XWAYLAND_VIEW) || LAB_DISABLE_CSD) {
+		if ((view->type == LAB_XWAYLAND_VIEW) ||
+		    !rc.client_side_decorations) {
 			box = deco_max_extents(view);
 		} else {
 			box = view_get_surface_geometry(view);

src/server.c

@@ -1,4 +1,5 @@
 #include "labwc.h"
+#include "rcxml.h"
 
 #include <wlr/types/wlr_export_dmabuf_v1.h>
 #include <wlr/types/wlr_screencopy_v1.h>
@@ -222,7 +223,7 @@ void server_init(struct server *server)
 		exit(EXIT_FAILURE);
 	}
 	wlr_server_decoration_manager_set_default_mode(
-		deco_mgr, LAB_DISABLE_CSD ?
+		deco_mgr, !rc.client_side_decorations ?
 				  WLR_SERVER_DECORATION_MANAGER_MODE_SERVER :
 				  WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT);
 

src/view.c

@@ -1,4 +1,5 @@
 #include "labwc.h"
+#include "rcxml.h"
 
 static bool is_toplevel(struct view *view)
 {
@@ -19,7 +20,7 @@ void view_init_position(struct view *view)
 	if (!is_toplevel(view))
 		return;
 	struct wlr_box box;
-	if (view->type == LAB_XDG_SHELL_VIEW && !LAB_DISABLE_CSD) {
+	if (view->type == LAB_XDG_SHELL_VIEW && rc.client_side_decorations) {
 		/* CSD */
 		wlr_xdg_surface_get_geometry(view->xdg_surface, &box);
 	} else if (!view_want_deco(view)) {
@@ -88,7 +89,7 @@ bool view_want_deco(struct view *view)
 {
 	if (!is_toplevel(view))
 		return false;
-	if (view->type == LAB_XDG_SHELL_VIEW && !LAB_DISABLE_CSD)
+	if (view->type == LAB_XDG_SHELL_VIEW && rc.client_side_decorations)
 		return false;
 	if (view->type == LAB_XDG_SHELL_VIEW)
 		return true;

src/xdg.c

@@ -1,4 +1,5 @@
 #include "labwc.h"
+#include "rcxml.h"
 
 struct xdg_deco {
 	struct wlr_xdg_toplevel_decoration_v1 *wlr_decoration;
@@ -22,7 +23,7 @@ static void xdg_deco_request_mode(struct wl_listener *listener, void *data)
 	struct xdg_deco *xdg_deco;
 	xdg_deco = wl_container_of(listener, xdg_deco, request_mode);
 	enum wlr_xdg_toplevel_decoration_v1_mode mode;
-	if (LAB_DISABLE_CSD)
+	if (!rc.client_side_decorations)
 		mode = WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
 	else
 		mode = WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE;