fix theme; better example1

examples/example1/src/example1.d

@@ -425,20 +425,21 @@ extern (C) int UIAppMain(string[] args) {
             HorizontalLayout line1 = new HorizontalLayout();
             controls.addChild(line1);
 
-            GroupBox gb = new GroupBox("checkboxes", "Check boxes"d);
+            GroupBox gb = new GroupBox("checkboxes", "CheckBox"d);
             gb.addChild(new CheckBox("cb1", "CheckBox 1"d));
             gb.addChild(new CheckBox("cb2", "CheckBox 2"d).checked(true));
             gb.addChild(new CheckBox("cb3", "CheckBox disabled"d).enabled(false));
+            gb.addChild(new CheckBox("cb4", "CheckBox disabled"d).checked(true).enabled(false));
             line1.addChild(gb);
 
-            GroupBox gb2 = new GroupBox("radiobuttons", "Radio buttons"d);
+            GroupBox gb2 = new GroupBox("radiobuttons", "RadioButton"d);
             gb2.addChild(new RadioButton("rb1", "RadioButton 1"d).checked(true));
             gb2.addChild(new RadioButton("rb2", "RadioButton 2"d));
             gb2.addChild(new RadioButton("rb3", "RadioButton disabled"d).enabled(false));
             line1.addChild(gb2);
 
             VerticalLayout col1 = new VerticalLayout();
-            GroupBox gb3 = new GroupBox("textbuttons", "Text buttons"d, Orientation.Horizontal);
+            GroupBox gb3 = new GroupBox("textbuttons", "Button"d, Orientation.Horizontal);
             gb3.addChild(new Button("tb1", "Button"d));
             gb3.addChild(new Button("tb2", "Button disabled"d).enabled(false));
             col1.addChild(gb3);
@@ -446,18 +447,106 @@ extern (C) int UIAppMain(string[] args) {
             gb4.addChild(new ImageTextButton("itb1", "document-open", "Enabled"d));
             gb4.addChild(new ImageTextButton("itb2", "document-save", "Disabled"d).enabled(false));
             col1.addChild(gb4);
-
+            GroupBox gbtext = new GroupBox("text", "TextWidget"d, Orientation.Horizontal);
+            gbtext.addChild(new TextWidget("t1", "Red text"d).fontSize(12.pointsToPixels).textColor(0xFF0000));
+            gbtext.addChild(new TextWidget("t2", "Italic text"d).fontSize(12.pointsToPixels).fontItalic(true));
+            col1.addChild(gbtext);
             line1.addChild(col1);
 
+            VerticalLayout col2 = new VerticalLayout();
+            GroupBox gb31 = new GroupBox("switches", "SwitchButton"d, Orientation.Vertical);
+            gb31.addChild(new SwitchButton("sb1"));
+            gb31.addChild(new SwitchButton("sb2").checked(true));
+            gb31.addChild(new SwitchButton("sb3").enabled(false));
+            gb31.addChild(new SwitchButton("sb4").enabled(false).checked(true));
+            col2.addChild(gb31);
+            line1.addChild(col2);
+
+            VerticalLayout col3 = new VerticalLayout();
+            GroupBox gb32 = new GroupBox("switches", "ImageButton"d, Orientation.Vertical);
+            gb32.addChild(new ImageButton("ib1", "edit-copy"));
+            gb32.addChild(new ImageButton("ib3", "edit-paste").enabled(false));
+            col3.addChild(gb32);
+            GroupBox gb33 = new GroupBox("images", "ImageWidget"d, Orientation.Vertical);
+            gb33.addChild(new ImageWidget("cr3_logo", "cr3_logo"));
+            col3.addChild(gb33);
+            line1.addChild(col3);
+
+
             HorizontalLayout line2 = new HorizontalLayout();
             controls.addChild(line2);
 
             GroupBox gb5 = new GroupBox("scrollbar", "horizontal ScrollBar"d);
-            gb5.addChild(new ScrollBar("sb1", Orientation.Horizontal).layoutWidth(FILL_PARENT));
+            gb5.addChild(new ScrollBar("sb1", Orientation.Horizontal));
             line2.addChild(gb5);
-            GroupBox gb6 = new GroupBox("scrollbar", "horizontal SliderWidget"d);
+            GroupBox gb6 = new GroupBox("slider", "horizontal SliderWidget"d);
-            gb6.addChild(new SliderWidget("sb2", Orientation.Horizontal).layoutWidth(FILL_PARENT));
+            gb6.addChild(new SliderWidget("sb2", Orientation.Horizontal));
             line2.addChild(gb6);
+            GroupBox gb7 = new GroupBox("editline1", "EditLine"d);
+            gb7.addChild(new EditLine("ed1", "Some text"d).minWidth(120.pointsToPixels));
+            line2.addChild(gb7);
+            GroupBox gb8 = new GroupBox("editline2", "EditLine disabled"d);
+            gb8.addChild(new EditLine("ed2", "Some text"d).enabled(false).minWidth(120.pointsToPixels));
+            line2.addChild(gb8);
+
+            HorizontalLayout line3 = new HorizontalLayout();
+            line3.layoutWidth(FILL_PARENT);
+            GroupBox gbeditbox = new GroupBox("editbox", "EditBox"d, Orientation.Horizontal);
+            gbeditbox.layoutWidth(FILL_PARENT);
+            EditBox ed1 = new EditBox("ed1", "Some text in EditBox\nOne more line\nYet another text line");
+            ed1.layoutHeight(FILL_PARENT);
+            gbeditbox.addChild(ed1);
+            line3.addChild(gbeditbox);
+            GroupBox gbtabs = new GroupBox(null, "TabWidget"d);
+            gbtabs.layoutWidth(FILL_PARENT);
+            TabWidget tabs1 = new TabWidget("tabs1");
+            tabs1.addTab(new TextWidget("tab1", "TextWidget on tab page\nTextWidgets can be\nMultiline"d).maxLines(3), "Tab 1"d);
+            tabs1.addTab(new ImageWidget("tab2", "dlangui-logo1"), "Tab 2"d);
+            tabs1.tabHost.backgroundColor = 0xE0E0E0;
+            tabs1.tabHost.padding = Rect(10.pointsToPixels, 10.pointsToPixels, 10.pointsToPixels, 10.pointsToPixels);
+            gbtabs.addChild(tabs1);
+            line3.addChild(gbtabs);
+            controls.addChild(line3);
+
+            HorizontalLayout line4 = new HorizontalLayout();
+            line4.layoutWidth(FILL_PARENT);
+            GroupBox gbgrid = new GroupBox("grid", "StringGridWidget"d, Orientation.Horizontal);
+            StringGridWidget grid = new StringGridWidget("stringgrid");
+            grid.resize(10, 10);
+            grid.layoutWidth(FILL_PARENT);
+            grid.layoutHeight(FILL_PARENT);
+            gbgrid.addChild(grid);
+            line4.addChild(gbgrid);
+
+            GroupBox gbtree = new GroupBox("tree", "TreeWidget"d, Orientation.Horizontal);
+            auto tree = new TreeWidget("gbtree");
+            //tree.layoutWidth(WRAP_CONTENT).layoutHeight(FILL_PARENT);
+            tree.maxHeight(200.pointsToPixels);
+            TreeItem tree1 = tree.items.newChild("group1", "Group 1"d, "document-open");
+            tree1.newChild("g1_1", "Group 1 item 1"d);
+            tree1.newChild("g1_2", "Group 1 item 2"d);
+            tree1.newChild("g1_3", "Group 1 item 3"d);
+            TreeItem tree2 = tree.items.newChild("group2", "Group 2"d, "document-save");
+            tree2.newChild("g2_1", "Group 2 item 1"d, "edit-copy");
+            tree2.newChild("g2_2", "Group 2 item 2"d, "edit-cut");
+            tree2.newChild("g2_3", "Group 2 item 3"d, "edit-paste");
+            tree2.newChild("g2_4", "Group 2 item 4"d);
+            TreeItem tree3 = tree.items.newChild("group3", "Group 3"d);
+            tree3.newChild("g3_1", "Group 3 item 1"d);
+            tree3.newChild("g3_2", "Group 3 item 2"d);
+            TreeItem tree32 = tree3.newChild("g3_3", "Group 3 item 3"d);
+            tree3.newChild("g3_4", "Group 3 item 4"d);
+            tree32.newChild("group3_2_1", "Group 3 item 2 subitem 1"d);
+            tree32.newChild("group3_2_2", "Group 3 item 2 subitem 2"d);
+            tree32.newChild("group3_2_3", "Group 3 item 2 subitem 3"d);
+            tree32.newChild("group3_2_4", "Group 3 item 2 subitem 4"d);
+            tree32.newChild("group3_2_5", "Group 3 item 2 subitem 5"d);
+            tree3.newChild("g3_5", "Group 3 item 5"d);
+            tree3.newChild("g3_6", "Group 3 item 6"d);
+            gbtree.addChild(tree);
+            line4.addChild(gbtree);
+
+            controls.addChild(line4);
 
             tabs.addTab(controls, "Controls"d);
         }
@@ -974,7 +1063,7 @@ void main()
         contentLayout.addChild(tabs);
         window.mainWidget = contentLayout;
 
-        tabs.selectTab("tab3");
+        tabs.selectTab("controls");
     } else {
         window.mainWidget = (new Button()).text("sample button");
     }

src/dlangui/widgets/controls.d

@@ -13,6 +13,12 @@ ImageButton - button with only image
 
 ImageTextButton - button with text and image
 
+SwitchButton - switch widget
+
+RadioButton - radio button
+
+CheckBox - button with check mark
+
 ScrollBar - scrollbar control
 
 SliderWidget - slider control
@@ -21,6 +27,8 @@ UrlImageTextButton - URL link button
 
 CanvasWidget - for drawing arbitrary graphics
 
+
+
 Synopsis:
 
 ----
@@ -83,7 +91,7 @@ class TextWidget : Widget {
     /// max lines to show
     @property int maxLines() { return style.maxLines; }
     /// set max lines to show
-    @property void maxLines(int n) { ownStyle.maxLines = n; }
+    @property TextWidget maxLines(int n) { ownStyle.maxLines = n; return this; }
 
     protected UIString _text;
     /// get widget text
@@ -1508,11 +1516,11 @@ class SliderWidget : AbstractSlider, OnClickHandler {
             if (_orientation == Orientation.Vertical) {
                 int dw = bg.width;
                 r.left += (rc.width - dw)/2;
-                r.right = left + dw;
+                r.right = r.left + dw;
             } else {
                 int dw = bg.height;
                 r.top += (rc.height - dw)/2;
-                r.bottom = top + dw;
+                r.bottom = r.top + dw;
             }
             bg.drawTo(buf, r, state);
         }

src/dlangui/widgets/groupbox.d

@@ -151,7 +151,10 @@ class GroupBox : LinearLayout {
     override protected void measuredContent(int parentWidth, int parentHeight, int contentWidth, int contentHeight) {
         _caption.measure(parentWidth, parentHeight);
         calcFrame();
-        int w = _caption.measuredWidth + _topFrameLeft + _topFrameRight;
+        int topPadding = _topFrameLeft + _topFrameRight;
+        int bottomPadding = _frameLeft + _frameRight;
+        int extraTop = topPadding - bottomPadding;
+        int w = _caption.measuredWidth + extraTop;
         if (contentWidth < w)
             contentWidth = w;
         super.measuredContent(parentWidth, parentHeight, contentWidth, contentHeight);