6 files changed, 24 insertions, 6 deletions
diff --git a/src/blocks/date.c b/src/blocks/date.c
index 1cb9da9..cd1adce 100644
--- a/src/blocks/date.c
+++ b/src/blocks/date.c
@@ -46,7 +46,7 @@ static void block_date_clean(block_t *block)
     free(date->block.text);
 }
 
-static int block_date_validate(block_t *block)
+static int block_date_validate(block_t *block, config_t *config)
 {
     block_date_t *date = (block_date_t *)block;
     int errors = 0;
diff --git a/src/blocks/fs.c b/src/blocks/fs.c
index 688956d..1196c68 100644
--- a/src/blocks/fs.c
+++ b/src/blocks/fs.c
@@ -135,7 +135,7 @@ static void block_fs_clean(block_t *block)
     free(fs->block.text);
 }
 
-static int block_fs_validate(block_t *block)
+static int block_fs_validate(block_t *block, config_t *config)
 {
     block_fs_t *fs = (block_fs_t *)block;
     int errors = 0;
diff --git a/src/blocks/ram.c b/src/blocks/ram.c
index 2aae5ac..28af60c 100644
--- a/src/blocks/ram.c
+++ b/src/blocks/ram.c
@@ -143,7 +143,7 @@ static void block_ram_clean(block_t *block)
     free(ram->block.text);
 }
 
-static int block_ram_validate(block_t *block)
+static int block_ram_validate(block_t *block, config_t *config)
 {
     block_ram_t *ram = (block_ram_t *)block;
     int errors = 0;
diff --git a/src/blocks/script.c b/src/blocks/script.c
index bcbb1b2..6fa5f6d 100644
--- a/src/blocks/script.c
+++ b/src/blocks/script.c
@@ -58,7 +58,7 @@ static void block_script_clean(block_t *block)
     free(script->block.text);
 }
 
-static int block_script_validate(block_t *block)
+static int block_script_validate(block_t *block, config_t *config)
 {
     block_script_t *script = (block_script_t *)block;
     int errors = 0;
diff --git a/src/blocks/slider.c b/src/blocks/slider.c
index 7050faf..f568105 100644
--- a/src/blocks/slider.c
+++ b/src/blocks/slider.c
@@ -216,7 +216,7 @@ static void block_slider_clean(block_t *block)
     gradient_free(&slider->knob_line_color);
 }
 
-static int block_slider_validate(block_t *block)
+static int block_slider_validate(block_t *block, config_t *config)
 {
     block_slider_t *slider = (block_slider_t *)block;
     int errors = 0;
@@ -242,6 +242,11 @@ static int block_slider_validate(block_t *block)
     return errors;
 }
 
+static config_status_t block_slider_change(block_t *block, config_t *config, const char *key, const char *value)
+{
+    return 0;
+}
+
 static config_enum_t knob_shape_enum[] = {
     { "none",      KNOB_NONE },
     { "capsule",   KNOB_CAPSULE },
@@ -279,4 +284,5 @@ const block_scheme_t block_slider_scheme = {
     .init_fn = block_slider_init,
     .clean_fn = block_slider_clean,
     .validate_fn = block_slider_validate,
+    .change_fn = block_slider_change,
 };
diff --git a/src/blocks/text.c b/src/blocks/text.c
index be4c398..bfaefe8 100644
--- a/src/blocks/text.c
+++ b/src/blocks/text.c
@@ -13,7 +13,7 @@ static void block_text_clean(block_t *block)
     free(text->text);
 }
 
-static int block_text_validate(block_t *block)
+static int block_text_validate(block_t *block, config_t *config)
 {
     block_text_t *text = (block_text_t *)block;
     int errors = 0;
@@ -26,6 +26,17 @@ static int block_text_validate(block_t *block)
     return errors;
 }
 
+static config_status_t block_text_change(block_t *block, config_t *config, const char *key, const char *value)
+{
+
+    // text
+    // text_color
+    // text_align
+    // text_size
+
+    return CONFIG_UNKNOWN;
+}
+
 const block_scheme_t block_text_scheme = {
     .name = "text",
     .entries = NULL,
@@ -33,4 +44,5 @@ const block_scheme_t block_text_scheme = {
     .init_fn = block_text_init,
     .clean_fn = block_text_clean,
     .validate_fn = block_text_validate,
+    .change_fn = block_text_change,
 };