2 files changed, 36 insertions, 2 deletions
diff --git a/gui.c b/gui.c
index 99db4133..0ecaf52d 100644
--- a/gui.c
+++ b/gui.c
@@ -103,6 +103,11 @@ static void guiThread(const uint16_t interval) {
 
 				}
 
+				// we got a wheel
+				if(node->type == wheel) {
+
+				}
+
 				// we got a keymatrix
 				if(node->type == keymatrix) {
 
@@ -129,11 +134,11 @@ uint8_t guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *
 	if(newNode == NULL)
 		return 0;
 	
+	newNode->type = button;
 	newNode->x0 = x0;
 	newNode->y0 = y0;
 	newNode->x1 = x1;
 	newNode->y1 = y1;
-	newNode->type = button;
 	newNode->name = str;
 	newNode->active = active;
 	newNode->state = state;	
@@ -148,3 +153,29 @@ uint8_t guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *
 	return 1;
 }
 
+uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t orientation, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, uint8_t *active, uint8_t *value) {
+	struct guiNode_t *newNode;
+
+	newNode = chHeapAlloc(NULL, sizeof(struct guiNode_t));
+	if(newNode == NULL)
+		return 0;
+
+	newNode->type = slider;
+	newNode->x0 = x0;
+	newNode->y0 = y0;
+	newNode->x1 = x1;
+	newNode->y1 = y1;
+	newNode->state = value;
+	newNode->active = active;
+	newNode->orientation = orientation;
+
+	if(addNode(newNode) != 1)
+		return 0;
+
+	// lcdDraw functions
+
+	chHeapFree(newNode);
+
+	return 1;
+}
+
diff --git a/gui.h b/gui.h
index 05e4c383..9d1842da 100644
--- a/gui.h
+++ b/gui.h
@@ -12,6 +12,7 @@ static struct guiNode_t {
 	uint16_t y0;
 	uint16_t x1;
 	uint16_t y1;
+	uint8_t orientation;
 	uint8_t *active;
 	uint8_t *state;
 	char *name;
@@ -22,7 +23,7 @@ static struct guiNode_t {
 extern "C" {
 #endif
 
-enum {button, slider, keymatrix};
+enum {button, slider, wheel, keymatrix};
 enum {horizontal, vertical};
 enum {inactive, active};
 
@@ -59,6 +60,8 @@ void guiPrintNode(BaseSequentialStream *chp);
  */
 uint8_t guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *str, uint16_t fontColor, uint16_t buttonColor, uint8_t *active, uint8_t *state);
 
+uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t orientation, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, uint8_t *active, uint8_t *value);
+
 #ifdef __cplusplus
 }
 #endif