fix theme; fix slider style

examples/example1/src/example1.d

@@ -452,10 +452,10 @@ extern (C) int UIAppMain(string[] args) {
             HorizontalLayout line2 = new HorizontalLayout();
             controls.addChild(line2);
 
-            GroupBox gb5 = new GroupBox("scrollbar", "horizontal ScrollBar"d, Orientation.Horizontal);
+            GroupBox gb5 = new GroupBox("scrollbar", "horizontal ScrollBar"d);
             gb5.addChild(new ScrollBar("sb1", Orientation.Horizontal).layoutWidth(FILL_PARENT));
             line2.addChild(gb5);
-            GroupBox gb6 = new GroupBox("scrollbar", "horizontal SliderWidget"d, Orientation.Horizontal);
+            GroupBox gb6 = new GroupBox("scrollbar", "horizontal SliderWidget"d);
             gb6.addChild(new SliderWidget("sb2", Orientation.Horizontal).layoutWidth(FILL_PARENT));
             line2.addChild(gb6);
 

src/dlangui/widgets/controls.d

@@ -1319,8 +1319,9 @@ class SliderWidget : AbstractSlider, OnClickHandler {
     /// create with ID parameter
     this(string ID, Orientation orient = Orientation.Horizontal) {
         super(ID);
-        styleId = STYLE_SCROLLBAR;
+        styleId = STYLE_SLIDER;
         _orientation = orient;
+        _pageSize = 1;
         _pageUp = new PageScrollButton("PAGE_UP");
         _pageDown = new PageScrollButton("PAGE_DOWN");
         _indicator = new SliderButton(style.customDrawableId(_orientation == Orientation.Vertical ? ATTR_SCROLLBAR_INDICATOR_VERTICAL : ATTR_SCROLLBAR_INDICATOR_HORIZONTAL));
@@ -1498,11 +1499,29 @@ class SliderWidget : AbstractSlider, OnClickHandler {
     override void onDraw(DrawBuf buf) {
         if (visibility != Visibility.Visible && !buf.isClippedOut(_pos))
             return;
-        super.onDraw(buf);
         Rect rc = _pos;
         applyMargins(rc);
-        applyPadding(rc);
         auto saver = ClipRectSaver(buf, rc, alpha);
+        DrawableRef bg = backgroundDrawable;
+        if (!bg.isNull) {
+            Rect r = rc;
+            if (_orientation == Orientation.Vertical) {
+                int dw = bg.width;
+                r.left += (rc.width - dw)/2;
+                r.right = left + dw;
+            } else {
+                int dw = bg.height;
+                r.top += (rc.height - dw)/2;
+                r.bottom = top + dw;
+            }
+            bg.drawTo(buf, r, state);
+        }
+        applyPadding(rc);
+        if (state & State.Focused) {
+            rc.expand(FOCUS_RECT_PADDING, FOCUS_RECT_PADDING);
+            drawFocusRect(buf, rc);
+        }
+        _needDraw = false;
         _pageUp.onDraw(buf);
         _pageDown.onDraw(buf);
         _indicator.onDraw(buf);

src/dlangui/widgets/styles.d

@@ -71,14 +71,14 @@ immutable string STYLE_HSPACER = "HSPACER";
 immutable string STYLE_VSPACER = "VSPACER";
 /// standard style id for ScrollBar
 immutable string STYLE_SCROLLBAR = "SCROLLBAR";
+/// standard style id for SliderWidget
+immutable string STYLE_SLIDER = "SLIDER";
 /// standard style id for ScrollBar button
 immutable string STYLE_SCROLLBAR_BUTTON = "SCROLLBAR_BUTTON";
 /// standard style id for ScrollBar button
 immutable string STYLE_SCROLLBAR_BUTTON_TRANSPARENT = "SCROLLBAR_BUTTON_TRANSPARENT";
 /// standard style id for ScrollBar page control
 immutable string STYLE_PAGE_SCROLL = "PAGE_SCROLL";
-/// standard style id for Slider
-immutable string STYLE_SLIDER = "SLIDER";
 /// standard style id for TabWidget
 immutable string STYLE_TAB_WIDGET = "TAB_WIDGET";
 /// standard style id for Tab with Up alignment

views/res/theme_default.xml

@@ -148,6 +148,10 @@
         backgroundColor="#dce2e8"
         align="Center"
         />
+    <style id="SLIDER"
+        backgroundImageId="slider_background"
+        align="Center"
+        />
     <style id="SCROLLBAR_BUTTON"
         backgroundImageId="scrollbar_btn_background"
         align="Center"

views/standard_resources.list

@@ -50,6 +50,7 @@ res/frame_blue.9.png
 res/group_box_frame_bottom.9.png
 res/group_box_frame_up_left.9.png
 res/group_box_frame_up_right.9.png
+res/slider_background.9.png
 res/i18n/std_en.ini
 res/i18n/std_ru.ini
 res/list_item_background.xml