Added drawing of Slider knob in disabled state. (#452)

src/raygui.h

@@ -2834,12 +2834,12 @@ int GuiSpinner(Rectangle bounds, const char *text, int *value, int minValue, int
 
     int tempValue = *value;
 
-    Rectangle valueBoxBounds = { 
-        bounds.x + GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH) + GuiGetStyle(VALUEBOX, SPINNER_BUTTON_SPACING), 
+    Rectangle valueBoxBounds = {
+        bounds.x + GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH) + GuiGetStyle(VALUEBOX, SPINNER_BUTTON_SPACING),
         bounds.y,
         bounds.width - 2*(GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH) + GuiGetStyle(VALUEBOX, SPINNER_BUTTON_SPACING)), bounds.height };
     Rectangle leftButtonBound = { (float)bounds.x, (float)bounds.y, (float)GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH), (float)bounds.height };
-    Rectangle rightButtonBound = { (float)bounds.x + bounds.width - GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH), (float)bounds.y, 
+    Rectangle rightButtonBound = { (float)bounds.x + bounds.width - GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH), (float)bounds.y,
         (float)GuiGetStyle(VALUEBOX, SPINNER_BUTTON_WIDTH), (float)bounds.height };
 
     Rectangle textBounds = { 0 };
@@ -3008,8 +3008,8 @@ int GuiValueBox(Rectangle bounds, const char *text, int *value, int minValue, in
     if (editMode)
     {
         // NOTE: ValueBox internal text is always centered
-        Rectangle cursor = { bounds.x + GetTextWidth(textValue)/2 + bounds.width/2 + 1, 
-            bounds.y + GuiGetStyle(TEXTBOX, BORDER_WIDTH) + 2, 
+        Rectangle cursor = { bounds.x + GetTextWidth(textValue)/2 + bounds.width/2 + 1,
+            bounds.y + GuiGetStyle(TEXTBOX, BORDER_WIDTH) + 2,
             2, bounds.height - GuiGetStyle(TEXTBOX, BORDER_WIDTH)*2 - 4 };
         if (cursor.height > bounds.height) cursor.height = bounds.height - GuiGetStyle(TEXTBOX, BORDER_WIDTH)*2;
         GuiDrawRectangle(cursor, 0, BLANK, GetColor(GuiGetStyle(VALUEBOX, BORDER_COLOR_PRESSED)));
@@ -3220,6 +3220,7 @@ int GuiSliderPro(Rectangle bounds, const char *textLeft, const char *textRight,
     if (state == STATE_NORMAL) GuiDrawRectangle(slider, 0, BLANK, GetColor(GuiGetStyle(SLIDER, BASE_COLOR_PRESSED)));
     else if (state == STATE_FOCUSED) GuiDrawRectangle(slider, 0, BLANK, GetColor(GuiGetStyle(SLIDER, TEXT_COLOR_FOCUSED)));
     else if (state == STATE_PRESSED) GuiDrawRectangle(slider, 0, BLANK, GetColor(GuiGetStyle(SLIDER, TEXT_COLOR_PRESSED)));
+    else if (state == STATE_DISABLED) GuiDrawRectangle(slider, 0, BLANK, GetColor(GuiGetStyle(SLIDER, TEXT_COLOR_DISABLED)));
 
     // Draw left/right text if provided
     if (textLeft != NULL)
@@ -3585,9 +3586,9 @@ int GuiColorBarAlpha(Rectangle bounds, const char *text, float *alpha)
 
     int result = 0;
     GuiState state = guiState;
-    Rectangle selector = { (float)bounds.x + (*alpha)*bounds.width - GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_HEIGHT)/2, 
-        (float)bounds.y - GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_OVERFLOW), 
-        (float)GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_HEIGHT), 
+    Rectangle selector = { (float)bounds.x + (*alpha)*bounds.width - GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_HEIGHT)/2,
+        (float)bounds.y - GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_OVERFLOW),
+        (float)GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_HEIGHT),
         (float)bounds.height + GuiGetStyle(COLORPICKER, HUEBAR_SELECTOR_OVERFLOW)*2 };
 
     // Update control