From: yu.dongliang <18588496441@163.com>
Date: Wed, 4 Mar 2026 15:13:26 +0000 (+0800)
Subject: css: a simple css example ok
X-Git-Url: http://baseworks.info/?a=commitdiff_plain;h=64363851112d832fddf9b4a7c890da1f9ab3a99f;p=abc.git

css: a simple css example ok
---

diff --git a/examples/css.html b/examples/css.html
index 7e1dda0..bf8095a 100644
--- a/examples/css.html
+++ b/examples/css.html
@@ -4,7 +4,7 @@
 <style>
 p
 {
-	color:red;
+	color:blue;
 	text-align:center;
 } 
 </style>
diff --git a/html/abc_css.c b/html/abc_css.c
index 4ddf3b1..ebcbb13 100644
--- a/html/abc_css.c
+++ b/html/abc_css.c
@@ -298,3 +298,29 @@ int abc_css_parse(abc_obj_t* css)
 
 	return -1;
 }
+
+int abc_css_use(abc_html_t* html, abc_obj_t* obj)
+{
+	if (!html->root || !obj)
+		return -EINVAL;
+
+	scf_list_t*  l;
+	abc_obj_t*   css;
+	abc_obj_t*   label;
+	abc_obj_t*   attr;
+
+	css = abc_obj_find_type(html->root, ABC_HTML_STYLE);
+	if (!css)
+		return 0;
+
+	label = abc_obj_find_type(css, obj->type);
+	if (label) {
+		for (l   = scf_list_head(&label->attrs); l != scf_list_sentinel(&label->attrs); l = scf_list_next(l)) {
+			attr = scf_list_data(l, abc_obj_t, list);
+
+			abc_obj_set_attr(obj, attr->type, attr->value->data);
+		}
+	}
+
+	return 0;
+}
diff --git a/html/abc_html.c b/html/abc_html.c
index 664da6b..63a68fb 100644
--- a/html/abc_html.c
+++ b/html/abc_html.c
@@ -1153,8 +1153,10 @@ static int __html_parse_obj(abc_html_t* html, abc_char_t* c)
 		case ABC_HTML_AUDIO:
 			if (__html_add_controls(obj) < 0)
 				return -1;
-			break;
+
 		default:
+			if (abc_css_use(html, obj) < 0)
+				return -1;
 			break;
 	};
 
diff --git a/html/abc_html.h b/html/abc_html.h
index 81f7891..4ecb379 100644
--- a/html/abc_html.h
+++ b/html/abc_html.h
@@ -50,5 +50,6 @@ void abc_html_close(abc_html_t*  html);
 
 int  abc_html_parse(abc_html_t* html);
 int  abc_css_parse (abc_obj_t*  css);
+int  abc_css_use   (abc_html_t* html, abc_obj_t* obj);
 
 #endif
diff --git a/html/abc_obj.c b/html/abc_obj.c
index 4d4bb2a..b2ada1f 100644
--- a/html/abc_obj.c
+++ b/html/abc_obj.c
@@ -86,6 +86,26 @@ abc_obj_t* abc_obj_find(abc_obj_t* root, int x, int y)
 	return root;
 }
 
+abc_obj_t* abc_obj_find_type(abc_obj_t* root, int type)
+{
+	scf_list_t* l;
+	abc_obj_t*  child;
+	abc_obj_t*  obj;
+
+	if (type == root->type)
+		return root;
+
+	for (l    = scf_list_head(&root->childs); l != scf_list_sentinel(&root->childs); l = scf_list_next(l)) {
+		child = scf_list_data(l, abc_obj_t, list);
+
+		obj = abc_obj_find_type(child, type);
+		if (obj)
+			return obj;
+	}
+
+	return NULL;
+}
+
 int abc_obj_set_attr(abc_obj_t* obj, int key, const char* value)
 {
 	scf_string_t* s;
diff --git a/html/abc_obj.h b/html/abc_obj.h
index c1a74f3..66663b7 100644
--- a/html/abc_obj.h
+++ b/html/abc_obj.h
@@ -154,6 +154,8 @@ int            abc_obj_set_attr (abc_obj_t* obj, int key, const char* value);
 abc_obj_t*     abc_obj_get_attr (abc_obj_t* obj, int key);
 abc_obj_t*     abc_obj_find_attr(abc_obj_t* obj, int key);
 
+abc_obj_t*     abc_obj_find_type(abc_obj_t* root, int type);
+
 scf_string_t*  abc_obj_to_string(abc_obj_t* obj);
 
 #endif
diff --git a/ui/Makefile b/ui/Makefile
index 8624094..ed0856e 100644
--- a/ui/Makefile
+++ b/ui/Makefile
@@ -43,6 +43,7 @@ CFILES += abc_render_video.c
 CFILES += abc_render_audio.c
 
 CFILES += ../html/abc_html.c
+CFILES += ../html/abc_css.c
 CFILES += ../html/abc_obj.c
 CFILES += ../html/abc_io_util.c
 CFILES += ../html/abc_io_file.c
diff --git a/ui/abc_layout.c b/ui/abc_layout.c
index 02b4deb..63c0a94 100644
--- a/ui/abc_layout.c
+++ b/ui/abc_layout.c
@@ -63,6 +63,7 @@ static abc_layout_pt abc_layouts[ABC_HTML_NB] =
 	[ABC_HTML_PROGRESS] = abc_layout_empty,
 
 	[ABC_HTML_SCRIPT]   = abc_layout_empty,
+	[ABC_HTML_STYLE]    = abc_layout_empty,
 };
 
 int abc_layout_obj(abc_layout_t* layout, abc_obj_t* obj, int width, int height)
diff --git a/ui/abc_render.c b/ui/abc_render.c
index 4e5be5a..2784190 100644
--- a/ui/abc_render.c
+++ b/ui/abc_render.c
@@ -65,6 +65,7 @@ static abc_render_t* abc_renders[ABC_HTML_NB] =
 	[ABC_HTML_PROGRESS] = &abc_render_empty,
 
 	[ABC_HTML_SCRIPT]   = &abc_render_empty,
+	[ABC_HTML_STYLE]    = &abc_render_empty,
 };
 
 int abc_renders_fini()
diff --git a/ui/abc_render_h1.c b/ui/abc_render_h1.c
index 300e84c..810f6ef 100644
--- a/ui/abc_render_h1.c
+++ b/ui/abc_render_h1.c
@@ -79,6 +79,18 @@ static int _render_draw_h1(abc_render_t* render, abc_obj_t* obj, int width, int
 		cairo_set_font_size(cr, atoi(attr->value->data));
 
 	cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0);
+	attr = abc_obj_find_attr(obj, ABC_HTML_ATTR_FONT_COLOR);
+	if (attr) {
+		if (!strcmp(attr->value->data, "red"))
+			cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 1.0);
+
+		else if (!strcmp(attr->value->data, "green"))
+			cairo_set_source_rgba(cr, 0.0, 1.0, 0.0, 1.0);
+
+		else if (!strcmp(attr->value->data, "blue"))
+			cairo_set_source_rgba(cr, 0.0, 0.0, 1.0, 1.0);
+	}
+
 	cairo_text_extents(cr, obj->text->data, &extents);
 
 	cairo_move_to  (cr, extents.x_bearing, -extents.y_bearing);