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Draw scrollbar thumbs.

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This commit is contained in:
Paul Chote
2010-12-31 23:19:07 +13:00
parent cf17bc7e5c
commit d98e09e096
20 changed files with 441 additions and 417 deletions
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26
OpenRA.Game/Widgets/ScrollPanelWidget.cs
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@@ -10,6 +10,7 @@
using System.Drawing;
using OpenRA.Graphics;
using System;
namespace OpenRA.Widgets
{
@@ -29,6 +30,7 @@ namespace OpenRA.Widgets
Rectangle downButtonRect;
Rectangle backgroundRect;
Rectangle scrollbarRect;
Rectangle thumbRect;
public ScrollPanelWidget() : base() {}
protected ScrollPanelWidget(ScrollPanelWidget other)
@@ -39,6 +41,7 @@ namespace OpenRA.Widgets
downButtonRect = other.downButtonRect;
scrollbarRect = other.scrollbarRect;
backgroundRect = other.backgroundRect;
thumbRect = other.thumbRect;
UpPressed = other.UpPressed;
DownPressed = other.DownPressed;
@@ -49,20 +52,31 @@ namespace OpenRA.Widgets
{
if (!IsVisible())
return;
// Height/ContentHeight*Height
var ScrollbarHeight = RenderBounds.Height - 2 * ScrollbarWidth;
var thumbHeight = ContentHeight == 0 ? 0 : (int)(ScrollbarHeight*Math.Min(RenderBounds.Height*1f/ContentHeight, 1f));
var thumbOrigin = RenderBounds.Y + ScrollbarWidth + (int)((ScrollbarHeight - thumbHeight)*(-1f*ListOffset/(ContentHeight - RenderBounds.Height)));
backgroundRect = new Rectangle(RenderBounds.X, RenderBounds.Y, RenderBounds.Width - ScrollbarWidth, RenderBounds.Height);
upButtonRect = new Rectangle(RenderBounds.Right - ScrollbarWidth, RenderBounds.Y, ScrollbarWidth, ScrollbarWidth);
downButtonRect = new Rectangle(RenderBounds.Right - ScrollbarWidth, RenderBounds.Bottom - ScrollbarWidth, ScrollbarWidth, ScrollbarWidth);
scrollbarRect = new Rectangle(RenderBounds.Right - ScrollbarWidth, RenderBounds.Y + ScrollbarWidth, ScrollbarWidth, RenderBounds.Height - 2 * ScrollbarWidth);
string upButtonBg = (UpPressed) ? "dialog3" : "dialog2";
string downButtonBg = (DownPressed) ? "dialog3" : "dialog2";
scrollbarRect = new Rectangle(RenderBounds.Right - ScrollbarWidth, RenderBounds.Y + ScrollbarWidth, ScrollbarWidth, ScrollbarHeight);
thumbRect = new Rectangle(RenderBounds.Right - ScrollbarWidth, thumbOrigin, ScrollbarWidth, thumbHeight);
string upButtonBg = UpPressed ? "dialog3" : "dialog2";
string downButtonBg = DownPressed ? "dialog3" : "dialog2";
string scrollbarBg = "dialog3";
string thumbBg = "dialog2";
WidgetUtils.DrawPanel(Background, backgroundRect);
WidgetUtils.DrawPanel(upButtonBg, upButtonRect);
WidgetUtils.DrawPanel(downButtonBg, downButtonRect);
WidgetUtils.DrawPanel(scrollbarBg, scrollbarRect);
if (thumbHeight > 0)
WidgetUtils.DrawPanel(thumbBg, thumbRect);
var upOffset = UpPressed ? 4 : 3;
var downOffset = DownPressed ? 4 : 3;
@@ -91,7 +105,7 @@ namespace OpenRA.Widgets
if (UpPressed && ListOffset <= 0) ListOffset += ScrollVelocity;
if (DownPressed) ListOffset -= ScrollVelocity;
if (ListOffset > 0) ListOffset = 0;
ListOffset = Math.Min(0,Math.Max(RenderBounds.Height - ContentHeight, ListOffset));
}
public override bool LoseFocus (MouseInput mi)