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Diffstat (limited to 'src/guichan/widgets/scrollarea.cpp')
-rw-r--r--src/guichan/widgets/scrollarea.cpp236
1 files changed, 92 insertions, 144 deletions
diff --git a/src/guichan/widgets/scrollarea.cpp b/src/guichan/widgets/scrollarea.cpp
index 8e935fc47..2e853caa4 100644
--- a/src/guichan/widgets/scrollarea.cpp
+++ b/src/guichan/widgets/scrollarea.cpp
@@ -68,7 +68,7 @@ namespace gcn
mLeftButtonScrollAmount = 10;
mRightButtonScrollAmount = 10;
mIsVerticalMarkerDragged = false;
- mIsHorizontalMarkerDragged =false;
+ mIsHorizontalMarkerDragged = false;
mOpaque = true;
addMouseListener(this);
@@ -90,7 +90,7 @@ namespace gcn
mLeftButtonScrollAmount = 10;
mRightButtonScrollAmount = 10;
mIsVerticalMarkerDragged = false;
- mIsHorizontalMarkerDragged =false;
+ mIsHorizontalMarkerDragged = false;
mOpaque = true;
setContent(content);
@@ -115,7 +115,7 @@ namespace gcn
mLeftButtonScrollAmount = 10;
mRightButtonScrollAmount = 10;
mIsVerticalMarkerDragged = false;
- mIsHorizontalMarkerDragged =false;
+ mIsHorizontalMarkerDragged = false;
mOpaque = true;
setContent(content);
@@ -133,7 +133,7 @@ namespace gcn
{
clear();
add(widget);
- widget->setPosition(0,0);
+ widget->setPosition(0, 0);
}
else
{
@@ -175,7 +175,8 @@ namespace gcn
return mVPolicy;
}
- void ScrollArea::setScrollPolicy(ScrollPolicy hPolicy, ScrollPolicy vPolicy)
+ void ScrollArea::setScrollPolicy(ScrollPolicy hPolicy,
+ ScrollPolicy vPolicy)
{
mHPolicy = hPolicy;
mVPolicy = vPolicy;
@@ -189,14 +190,10 @@ namespace gcn
mVScroll = vScroll;
if (vScroll > max)
- {
mVScroll = max;
- }
if (vScroll < 0)
- {
mVScroll = 0;
- }
}
int ScrollArea::getVerticalScrollAmount() const
@@ -211,13 +208,9 @@ namespace gcn
mHScroll = hScroll;
if (hScroll > max)
- {
mHScroll = max;
- }
else if (hScroll < 0)
- {
mHScroll = 0;
- }
}
int ScrollArea::getHorizontalScrollAmount() const
@@ -236,17 +229,13 @@ namespace gcn
checkPolicies();
if (getContent() == NULL)
- {
return 0;
- }
int value = getContent()->getWidth() - getChildrenArea().width +
2 * getContent()->getFrameSize();
if (value < 0)
- {
return 0;
- }
return value;
}
@@ -256,9 +245,7 @@ namespace gcn
checkPolicies();
if (getContent() == NULL)
- {
return 0;
- }
int value;
@@ -266,9 +253,7 @@ namespace gcn
2 * getContent()->getFrameSize();
if (value < 0)
- {
return 0;
- }
return value;
}
@@ -276,13 +261,9 @@ namespace gcn
void ScrollArea::setScrollbarWidth(int width)
{
if (width > 0)
- {
mScrollbarWidth = width;
- }
else
- {
throw GCN_EXCEPTION("Width should be greater then 0.");
- }
}
int ScrollArea::getScrollbarWidth() const
@@ -326,17 +307,17 @@ namespace gcn
mVerticalMarkerDragOffset = y - getVerticalMarkerDimension().y;
}
- else if (getVerticalBarDimension().isPointInRect(x,y))
+ else if (getVerticalBarDimension().isPointInRect(x, y))
{
if (y < getVerticalMarkerDimension().y)
{
setVerticalScrollAmount(getVerticalScrollAmount()
- - (int)(getChildrenArea().height * 0.95));
+ - (int)(getChildrenArea().height * 0.95));
}
else
{
setVerticalScrollAmount(getVerticalScrollAmount()
- + (int)(getChildrenArea().height * 0.95));
+ + (int)(getChildrenArea().height * 0.95));
}
}
else if (getHorizontalMarkerDimension().isPointInRect(x, y))
@@ -346,17 +327,17 @@ namespace gcn
mHorizontalMarkerDragOffset = x - getHorizontalMarkerDimension().x;
}
- else if (getHorizontalBarDimension().isPointInRect(x,y))
+ else if (getHorizontalBarDimension().isPointInRect(x, y))
{
if (x < getHorizontalMarkerDimension().x)
{
setHorizontalScrollAmount(getHorizontalScrollAmount()
- - (int)(getChildrenArea().width * 0.95));
+ - (int)(getChildrenArea().width * 0.95));
}
else
{
setHorizontalScrollAmount(getHorizontalScrollAmount()
- + (int)(getChildrenArea().width * 0.95));
+ + (int)(getChildrenArea().width * 0.95));
}
}
}
@@ -377,7 +358,8 @@ namespace gcn
{
if (mIsVerticalMarkerDragged)
{
- int pos = mouseEvent.getY() - getVerticalBarDimension().y - mVerticalMarkerDragOffset;
+ int pos = mouseEvent.getY() - getVerticalBarDimension().y
+ - mVerticalMarkerDragOffset;
int length = getVerticalMarkerDimension().height;
Rectangle barDim = getVerticalBarDimension();
@@ -395,7 +377,8 @@ namespace gcn
if (mIsHorizontalMarkerDragged)
{
- int pos = mouseEvent.getX() - getHorizontalBarDimension().x - mHorizontalMarkerDragOffset;
+ int pos = mouseEvent.getX() - getHorizontalBarDimension().x
+ - mHorizontalMarkerDragOffset;
int length = getHorizontalMarkerDimension().width;
Rectangle barDim = getHorizontalBarDimension();
@@ -438,9 +421,8 @@ namespace gcn
{
graphics->setColor(getBaseColor());
graphics->fillRectangle(Rectangle(getWidth() - mScrollbarWidth,
- getHeight() - mScrollbarWidth,
- mScrollbarWidth,
- mScrollbarWidth));
+ getHeight() - mScrollbarWidth,
+ mScrollbarWidth, mScrollbarWidth));
}
drawChildren(graphics);
@@ -549,10 +531,8 @@ namespace gcn
int h = w / 2 + 2;
for (i = 0; i < w / 2; ++i)
{
- graphics->drawLine(w - i + offset,
- i + h + offset,
- w + i + offset,
- i + h + offset);
+ graphics->drawLine(w - i + offset, i + h + offset,
+ w + i + offset, i + h + offset);
}
graphics->popClipArea();
@@ -610,10 +590,8 @@ namespace gcn
int h = w + 1;
for (i = 0; i < w / 2; ++i)
{
- graphics->drawLine(w - i + offset,
- -i + h + offset,
- w + i + offset,
- -i + h + offset);
+ graphics->drawLine(w - i + offset, -i + h + offset,
+ w + i + offset, -i + h + offset);
}
graphics->popClipArea();
@@ -671,10 +649,8 @@ namespace gcn
int h = w - 2;
for (i = 0; i < w / 2; ++i)
{
- graphics->drawLine(i + h + offset,
- w - i + offset,
- i + h + offset,
- w + i + offset);
+ graphics->drawLine(i + h + offset, w - i + offset,
+ i + h + offset, w + i + offset);
}
graphics->popClipArea();
@@ -732,10 +708,8 @@ namespace gcn
int h = w + 1;
for (i = 0; i < w / 2; ++i)
{
- graphics->drawLine(-i + h + offset,
- w - i + offset,
- -i + h + offset,
- w + i + offset);
+ graphics->drawLine(-i + h + offset, w - i + offset,
+ -i + h + offset, w + i + offset);
}
graphics->popClipArea();
@@ -755,7 +729,8 @@ namespace gcn
shadowColor.a = alpha;
graphics->setColor(faceColor);
- graphics->fillRectangle(Rectangle(1, 1, dim.width - 1, dim.height - 1));
+ graphics->fillRectangle(Rectangle(1, 1,
+ dim.width - 1, dim.height - 1));
graphics->setColor(highlightColor);
graphics->drawLine(0, 0, dim.width - 1, 0);
@@ -782,7 +757,8 @@ namespace gcn
shadowColor.a = alpha;
graphics->setColor(faceColor);
- graphics->fillRectangle(Rectangle(1, 1, dim.width - 1, dim.height - 1));
+ graphics->fillRectangle(Rectangle(1, 1,
+ dim.width - 1, dim.height - 1));
graphics->setColor(highlightColor);
graphics->drawLine(0, 0, dim.width - 1, 0);
@@ -805,7 +781,7 @@ namespace gcn
if (getContent() != NULL)
{
getContent()->setPosition(-mHScroll + getContent()->getFrameSize(),
- -mVScroll + getContent()->getFrameSize());
+ -mVScroll + getContent()->getFrameSize());
getContent()->logic();
}
}
@@ -842,88 +818,83 @@ namespace gcn
}
if ((getContent()->getHeight() > h)
- || (mHBarVisible && getContent()->getHeight() > h - mScrollbarWidth))
+ || (mHBarVisible && getContent()->getHeight()
+ > h - mScrollbarWidth))
{
mVBarVisible = true;
}
if (mVBarVisible && getContent()->getWidth() > w - mScrollbarWidth)
- {
mHBarVisible = true;
- }
return;
}
switch (mHPolicy)
{
- case SHOW_NEVER:
- mHBarVisible = false;
- break;
-
- case SHOW_ALWAYS:
- mHBarVisible = true;
- break;
-
- case SHOW_AUTO:
- if (mVPolicy == SHOW_NEVER)
- {
- mHBarVisible = getContent()->getWidth() > w;
- }
- else // (mVPolicy == SHOW_ALWAYS)
- {
- mHBarVisible = getContent()->getWidth() > w - mScrollbarWidth;
- }
- break;
-
- default:
- throw GCN_EXCEPTION("Horizontal scroll policy invalid.");
+ case SHOW_NEVER:
+ mHBarVisible = false;
+ break;
+
+ case SHOW_ALWAYS:
+ mHBarVisible = true;
+ break;
+
+ case SHOW_AUTO:
+ if (mVPolicy == SHOW_NEVER)
+ {
+ mHBarVisible = (getContent()->getWidth() > w);
+ }
+ else // (mVPolicy == SHOW_ALWAYS)
+ {
+ mHBarVisible = (getContent()->getWidth()
+ > w - mScrollbarWidth);
+ }
+ break;
+
+ default:
+ throw GCN_EXCEPTION("Horizontal scroll policy invalid.");
}
switch (mVPolicy)
{
- case SHOW_NEVER:
- mVBarVisible = false;
- break;
-
- case SHOW_ALWAYS:
- mVBarVisible = true;
- break;
-
- case SHOW_AUTO:
- if (mHPolicy == SHOW_NEVER)
- {
- mVBarVisible = getContent()->getHeight() > h;
- }
- else // (mHPolicy == SHOW_ALWAYS)
- {
- mVBarVisible = getContent()->getHeight() > h - mScrollbarWidth;
- }
- break;
- default:
- throw GCN_EXCEPTION("Vertical scroll policy invalid.");
+ case SHOW_NEVER:
+ mVBarVisible = false;
+ break;
+
+ case SHOW_ALWAYS:
+ mVBarVisible = true;
+ break;
+
+ case SHOW_AUTO:
+ if (mHPolicy == SHOW_NEVER)
+ {
+ mVBarVisible = (getContent()->getHeight() > h);
+ }
+ else // (mHPolicy == SHOW_ALWAYS)
+ {
+ mVBarVisible = (getContent()->getHeight()
+ > h - mScrollbarWidth);
+ }
+ break;
+ default:
+ throw GCN_EXCEPTION("Vertical scroll policy invalid.");
}
}
Rectangle ScrollArea::getUpButtonDimension()
{
if (!mVBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
- return Rectangle(getWidth() - mScrollbarWidth,
- 0,
- mScrollbarWidth,
- mScrollbarWidth);
+ return Rectangle(getWidth() - mScrollbarWidth, 0,
+ mScrollbarWidth, mScrollbarWidth);
}
Rectangle ScrollArea::getDownButtonDimension()
{
if (!mVBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
if (mVBarVisible && mHBarVisible)
{
@@ -942,22 +913,16 @@ namespace gcn
Rectangle ScrollArea::getLeftButtonDimension()
{
if (!mHBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
- return Rectangle(0,
- getHeight() - mScrollbarWidth,
- mScrollbarWidth,
- mScrollbarWidth);
+ return Rectangle(0, getHeight() - mScrollbarWidth,
+ mScrollbarWidth, mScrollbarWidth);
}
Rectangle ScrollArea::getRightButtonDimension()
{
if (!mHBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
if (mVBarVisible && mHBarVisible)
{
@@ -975,11 +940,10 @@ namespace gcn
Rectangle ScrollArea::getChildrenArea()
{
- Rectangle area = Rectangle(0,
- 0,
- mVBarVisible ? getWidth() - mScrollbarWidth : getWidth(),
- mHBarVisible ? getHeight() - mScrollbarWidth : getHeight());
-
+ Rectangle area = Rectangle(0, 0,
+ mVBarVisible ? (getWidth() - mScrollbarWidth) : getWidth(),
+ mHBarVisible ? (getHeight() - mScrollbarWidth) : getHeight());
+
if (area.width < 0 || area.height < 0)
return Rectangle();
@@ -989,9 +953,7 @@ namespace gcn
Rectangle ScrollArea::getVerticalBarDimension()
{
if (!mVBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
if (mHBarVisible)
{
@@ -1015,9 +977,7 @@ namespace gcn
Rectangle ScrollArea::getHorizontalBarDimension()
{
if (!mHBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
if (mVBarVisible)
{
@@ -1041,9 +1001,7 @@ namespace gcn
Rectangle ScrollArea::getVerticalMarkerDimension()
{
if (!mVBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
int length, pos;
Rectangle barDim = getVerticalBarDimension();
@@ -1059,14 +1017,10 @@ namespace gcn
}
if (length < mScrollbarWidth)
- {
length = mScrollbarWidth;
- }
if (length > barDim.height)
- {
length = barDim.height;
- }
if (getVerticalMaxScroll() != 0)
{
@@ -1084,9 +1038,7 @@ namespace gcn
Rectangle ScrollArea::getHorizontalMarkerDimension()
{
if (!mHBarVisible)
- {
return Rectangle(0, 0, 0, 0);
- }
int length, pos;
Rectangle barDim = getHorizontalBarDimension();
@@ -1127,22 +1079,20 @@ namespace gcn
void ScrollArea::showWidgetPart(Widget* widget, Rectangle area)
{
if (widget != getContent())
- {
throw GCN_EXCEPTION("Widget not content widget");
- }
BasicContainer::showWidgetPart(widget, area);
- setHorizontalScrollAmount(getContent()->getFrameSize() - getContent()->getX());
- setVerticalScrollAmount(getContent()->getFrameSize() - getContent()->getY());
+ setHorizontalScrollAmount(getContent()->getFrameSize()
+ - getContent()->getX());
+ setVerticalScrollAmount(getContent()->getFrameSize()
+ - getContent()->getY());
}
Widget *ScrollArea::getWidgetAt(int x, int y)
{
if (getChildrenArea().isPointInRect(x, y))
- {
return getContent();
- }
return NULL;
}
@@ -1150,11 +1100,10 @@ namespace gcn
void ScrollArea::mouseWheelMovedUp(MouseEvent& mouseEvent)
{
if (mouseEvent.isConsumed())
- {
return;
- }
- setVerticalScrollAmount(getVerticalScrollAmount() - getChildrenArea().height / 8);
+ setVerticalScrollAmount(getVerticalScrollAmount()
+ - getChildrenArea().height / 8);
mouseEvent.consume();
}
@@ -1162,11 +1111,10 @@ namespace gcn
void ScrollArea::mouseWheelMovedDown(MouseEvent& mouseEvent)
{
if (mouseEvent.isConsumed())
- {
return;
- }
- setVerticalScrollAmount(getVerticalScrollAmount() + getChildrenArea().height / 8);
+ setVerticalScrollAmount(getVerticalScrollAmount()
+ + getChildrenArea().height / 8);
mouseEvent.consume();
}
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