mirror of
https://github.com/Oibaf66/frodo-wii.git
synced 2024-11-26 21:44:22 +01:00
1247 lines
34 KiB
C++
1247 lines
34 KiB
C++
/* _______ __ __ __ ______ __ __ _______ __ __
|
|
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
|
|
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
|
|
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
|
|
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
|
|
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
|
|
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
|
|
*
|
|
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
|
|
*
|
|
*
|
|
* Per Larsson a.k.a finalman
|
|
* Olof Naessén a.k.a jansem/yakslem
|
|
*
|
|
* Visit: http://guichan.sourceforge.net
|
|
*
|
|
* License: (BSD)
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name of Guichan nor the names of its contributors may
|
|
* be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* For comments regarding functions please see the header file.
|
|
*/
|
|
|
|
#include "guichan/widgets/scrollarea.hpp"
|
|
|
|
#include "guichan/exception.hpp"
|
|
#include "guichan/graphics.hpp"
|
|
|
|
namespace gcn
|
|
{
|
|
ScrollArea::ScrollArea()
|
|
{
|
|
mVScroll = 0;
|
|
mHScroll = 0;
|
|
mHPolicy = SHOW_AUTO;
|
|
mVPolicy = SHOW_AUTO;
|
|
mScrollbarWidth = 12;
|
|
mUpButtonPressed = false;
|
|
mDownButtonPressed = false;
|
|
mLeftButtonPressed = false;
|
|
mRightButtonPressed = false;
|
|
mUpButtonScrollAmount = 10;
|
|
mDownButtonScrollAmount = 10;
|
|
mLeftButtonScrollAmount = 10;
|
|
mRightButtonScrollAmount = 10;
|
|
mIsVerticalMarkerDragged = false;
|
|
mIsHorizontalMarkerDragged =false;
|
|
mOpaque = true;
|
|
|
|
addMouseListener(this);
|
|
}
|
|
|
|
ScrollArea::ScrollArea(Widget *content)
|
|
{
|
|
mVScroll = 0;
|
|
mHScroll = 0;
|
|
mHPolicy = SHOW_AUTO;
|
|
mVPolicy = SHOW_AUTO;
|
|
mScrollbarWidth = 12;
|
|
mUpButtonPressed = false;
|
|
mDownButtonPressed = false;
|
|
mLeftButtonPressed = false;
|
|
mRightButtonPressed = false;
|
|
mUpButtonScrollAmount = 10;
|
|
mDownButtonScrollAmount = 10;
|
|
mLeftButtonScrollAmount = 10;
|
|
mRightButtonScrollAmount = 10;
|
|
mIsVerticalMarkerDragged = false;
|
|
mIsHorizontalMarkerDragged =false;
|
|
mOpaque = true;
|
|
|
|
setContent(content);
|
|
addMouseListener(this);
|
|
}
|
|
|
|
ScrollArea::ScrollArea(Widget *content,
|
|
ScrollPolicy hPolicy,
|
|
ScrollPolicy vPolicy)
|
|
{
|
|
mVScroll = 0;
|
|
mHScroll = 0;
|
|
mHPolicy = hPolicy;
|
|
mVPolicy = vPolicy;
|
|
mScrollbarWidth = 12;
|
|
mUpButtonPressed = false;
|
|
mDownButtonPressed = false;
|
|
mLeftButtonPressed = false;
|
|
mRightButtonPressed = false;
|
|
mUpButtonScrollAmount = 10;
|
|
mDownButtonScrollAmount = 10;
|
|
mLeftButtonScrollAmount = 10;
|
|
mRightButtonScrollAmount = 10;
|
|
mIsVerticalMarkerDragged = false;
|
|
mIsHorizontalMarkerDragged =false;
|
|
mOpaque = true;
|
|
|
|
setContent(content);
|
|
addMouseListener(this);
|
|
}
|
|
|
|
ScrollArea::~ScrollArea()
|
|
{
|
|
setContent(NULL);
|
|
}
|
|
|
|
void ScrollArea::setContent(Widget* widget)
|
|
{
|
|
if (widget != NULL)
|
|
{
|
|
clear();
|
|
add(widget);
|
|
widget->setPosition(0,0);
|
|
}
|
|
else
|
|
{
|
|
clear();
|
|
}
|
|
|
|
checkPolicies();
|
|
}
|
|
|
|
Widget* ScrollArea::getContent()
|
|
{
|
|
if (mWidgets.size() > 0)
|
|
{
|
|
return *mWidgets.begin();
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void ScrollArea::setHorizontalScrollPolicy(ScrollPolicy hPolicy)
|
|
{
|
|
mHPolicy = hPolicy;
|
|
checkPolicies();
|
|
}
|
|
|
|
ScrollArea::ScrollPolicy ScrollArea::getHorizontalScrollPolicy() const
|
|
{
|
|
return mHPolicy;
|
|
}
|
|
|
|
void ScrollArea::setVerticalScrollPolicy(ScrollPolicy vPolicy)
|
|
{
|
|
mVPolicy = vPolicy;
|
|
checkPolicies();
|
|
}
|
|
|
|
ScrollArea::ScrollPolicy ScrollArea::getVerticalScrollPolicy() const
|
|
{
|
|
return mVPolicy;
|
|
}
|
|
|
|
void ScrollArea::setScrollPolicy(ScrollPolicy hPolicy, ScrollPolicy vPolicy)
|
|
{
|
|
mHPolicy = hPolicy;
|
|
mVPolicy = vPolicy;
|
|
checkPolicies();
|
|
}
|
|
|
|
void ScrollArea::setVerticalScrollAmount(int vScroll)
|
|
{
|
|
int max = getVerticalMaxScroll();
|
|
|
|
mVScroll = vScroll;
|
|
|
|
if (vScroll > max)
|
|
{
|
|
mVScroll = max;
|
|
}
|
|
|
|
if (vScroll < 0)
|
|
{
|
|
mVScroll = 0;
|
|
}
|
|
}
|
|
|
|
int ScrollArea::getVerticalScrollAmount() const
|
|
{
|
|
return mVScroll;
|
|
}
|
|
|
|
void ScrollArea::setHorizontalScrollAmount(int hScroll)
|
|
{
|
|
int max = getHorizontalMaxScroll();
|
|
|
|
mHScroll = hScroll;
|
|
|
|
if (hScroll > max)
|
|
{
|
|
mHScroll = max;
|
|
}
|
|
else if (hScroll < 0)
|
|
{
|
|
mHScroll = 0;
|
|
}
|
|
}
|
|
|
|
int ScrollArea::getHorizontalScrollAmount() const
|
|
{
|
|
return mHScroll;
|
|
}
|
|
|
|
void ScrollArea::setScrollAmount(int hScroll, int vScroll)
|
|
{
|
|
setHorizontalScrollAmount(hScroll);
|
|
setVerticalScrollAmount(vScroll);
|
|
}
|
|
|
|
int ScrollArea::getHorizontalMaxScroll()
|
|
{
|
|
checkPolicies();
|
|
|
|
if (getContent() == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int value = getContent()->getWidth() - getChildrenArea().width +
|
|
2 * getContent()->getFrameSize();
|
|
|
|
if (value < 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
int ScrollArea::getVerticalMaxScroll()
|
|
{
|
|
checkPolicies();
|
|
|
|
if (getContent() == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int value;
|
|
|
|
value = getContent()->getHeight() - getChildrenArea().height +
|
|
2 * getContent()->getFrameSize();
|
|
|
|
if (value < 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
void ScrollArea::setScrollbarWidth(int width)
|
|
{
|
|
if (width > 0)
|
|
{
|
|
mScrollbarWidth = width;
|
|
}
|
|
else
|
|
{
|
|
throw GCN_EXCEPTION("Width should be greater then 0.");
|
|
}
|
|
}
|
|
|
|
int ScrollArea::getScrollbarWidth() const
|
|
{
|
|
return mScrollbarWidth;
|
|
}
|
|
|
|
void ScrollArea::mousePressed(MouseEvent& mouseEvent)
|
|
{
|
|
int x = mouseEvent.getX();
|
|
int y = mouseEvent.getY();
|
|
|
|
if (getUpButtonDimension().isPointInRect(x, y))
|
|
{
|
|
setVerticalScrollAmount(getVerticalScrollAmount()
|
|
- mUpButtonScrollAmount);
|
|
mUpButtonPressed = true;
|
|
}
|
|
else if (getDownButtonDimension().isPointInRect(x, y))
|
|
{
|
|
setVerticalScrollAmount(getVerticalScrollAmount()
|
|
+ mDownButtonScrollAmount);
|
|
mDownButtonPressed = true;
|
|
}
|
|
else if (getLeftButtonDimension().isPointInRect(x, y))
|
|
{
|
|
setHorizontalScrollAmount(getHorizontalScrollAmount()
|
|
- mLeftButtonScrollAmount);
|
|
mLeftButtonPressed = true;
|
|
}
|
|
else if (getRightButtonDimension().isPointInRect(x, y))
|
|
{
|
|
setHorizontalScrollAmount(getHorizontalScrollAmount()
|
|
+ mRightButtonScrollAmount);
|
|
mRightButtonPressed = true;
|
|
}
|
|
else if (getVerticalMarkerDimension().isPointInRect(x, y))
|
|
{
|
|
mIsHorizontalMarkerDragged = false;
|
|
mIsVerticalMarkerDragged = true;
|
|
|
|
mVerticalMarkerDragOffset = y - getVerticalMarkerDimension().y;
|
|
}
|
|
else if (getVerticalBarDimension().isPointInRect(x,y))
|
|
{
|
|
if (y < getVerticalMarkerDimension().y)
|
|
{
|
|
setVerticalScrollAmount(getVerticalScrollAmount()
|
|
- (int)(getChildrenArea().height * 0.95));
|
|
}
|
|
else
|
|
{
|
|
setVerticalScrollAmount(getVerticalScrollAmount()
|
|
+ (int)(getChildrenArea().height * 0.95));
|
|
}
|
|
}
|
|
else if (getHorizontalMarkerDimension().isPointInRect(x, y))
|
|
{
|
|
mIsHorizontalMarkerDragged = true;
|
|
mIsVerticalMarkerDragged = false;
|
|
|
|
mHorizontalMarkerDragOffset = x - getHorizontalMarkerDimension().x;
|
|
}
|
|
else if (getHorizontalBarDimension().isPointInRect(x,y))
|
|
{
|
|
if (x < getHorizontalMarkerDimension().x)
|
|
{
|
|
setHorizontalScrollAmount(getHorizontalScrollAmount()
|
|
- (int)(getChildrenArea().width * 0.95));
|
|
}
|
|
else
|
|
{
|
|
setHorizontalScrollAmount(getHorizontalScrollAmount()
|
|
+ (int)(getChildrenArea().width * 0.95));
|
|
}
|
|
}
|
|
}
|
|
|
|
void ScrollArea::mouseReleased(MouseEvent& mouseEvent)
|
|
{
|
|
mUpButtonPressed = false;
|
|
mDownButtonPressed = false;
|
|
mLeftButtonPressed = false;
|
|
mRightButtonPressed = false;
|
|
mIsHorizontalMarkerDragged = false;
|
|
mIsVerticalMarkerDragged = false;
|
|
|
|
mouseEvent.consume();
|
|
}
|
|
|
|
void ScrollArea::mouseDragged(MouseEvent& mouseEvent)
|
|
{
|
|
if (mIsVerticalMarkerDragged)
|
|
{
|
|
int pos = mouseEvent.getY() - getVerticalBarDimension().y - mVerticalMarkerDragOffset;
|
|
int length = getVerticalMarkerDimension().height;
|
|
|
|
Rectangle barDim = getVerticalBarDimension();
|
|
|
|
if ((barDim.height - length) > 0)
|
|
{
|
|
setVerticalScrollAmount((getVerticalMaxScroll() * pos)
|
|
/ (barDim.height - length));
|
|
}
|
|
else
|
|
{
|
|
setVerticalScrollAmount(0);
|
|
}
|
|
}
|
|
|
|
if (mIsHorizontalMarkerDragged)
|
|
{
|
|
int pos = mouseEvent.getX() - getHorizontalBarDimension().x - mHorizontalMarkerDragOffset;
|
|
int length = getHorizontalMarkerDimension().width;
|
|
|
|
Rectangle barDim = getHorizontalBarDimension();
|
|
|
|
if ((barDim.width - length) > 0)
|
|
{
|
|
setHorizontalScrollAmount((getHorizontalMaxScroll() * pos)
|
|
/ (barDim.width - length));
|
|
}
|
|
else
|
|
{
|
|
setHorizontalScrollAmount(0);
|
|
}
|
|
}
|
|
|
|
mouseEvent.consume();
|
|
}
|
|
|
|
void ScrollArea::draw(Graphics *graphics)
|
|
{
|
|
drawBackground(graphics);
|
|
|
|
if (mVBarVisible)
|
|
{
|
|
drawUpButton(graphics);
|
|
drawDownButton(graphics);
|
|
drawVBar(graphics);
|
|
drawVMarker(graphics);
|
|
}
|
|
|
|
if (mHBarVisible)
|
|
{
|
|
drawLeftButton(graphics);
|
|
drawRightButton(graphics);
|
|
drawHBar(graphics);
|
|
drawHMarker(graphics);
|
|
}
|
|
|
|
if (mHBarVisible && mVBarVisible)
|
|
{
|
|
graphics->setColor(getBaseColor());
|
|
graphics->fillRectangle(Rectangle(getWidth() - mScrollbarWidth,
|
|
getHeight() - mScrollbarWidth,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth));
|
|
}
|
|
|
|
drawChildren(graphics);
|
|
}
|
|
|
|
void ScrollArea::drawHBar(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getHorizontalBarDimension();
|
|
|
|
graphics->pushClipArea(dim);
|
|
|
|
int alpha = getBaseColor().a;
|
|
Color trackColor = getBaseColor() - 0x101010;
|
|
trackColor.a = alpha;
|
|
Color shadowColor = getBaseColor() - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
graphics->setColor(trackColor);
|
|
graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(0, 0, dim.width, 0);
|
|
|
|
graphics->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawVBar(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getVerticalBarDimension();
|
|
|
|
graphics->pushClipArea(dim);
|
|
|
|
int alpha = getBaseColor().a;
|
|
Color trackColor = getBaseColor() - 0x101010;
|
|
trackColor.a = alpha;
|
|
Color shadowColor = getBaseColor() - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
graphics->setColor(trackColor);
|
|
graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(0, 0, 0, dim.height);
|
|
|
|
graphics->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawBackground(Graphics *graphics)
|
|
{
|
|
if (isOpaque())
|
|
{
|
|
graphics->setColor(getBackgroundColor());
|
|
graphics->fillRectangle(getChildrenArea());
|
|
}
|
|
}
|
|
|
|
void ScrollArea::drawUpButton(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getUpButtonDimension();
|
|
graphics->pushClipArea(dim);
|
|
|
|
Color highlightColor;
|
|
Color shadowColor;
|
|
Color faceColor;
|
|
int offset;
|
|
int alpha = getBaseColor().a;
|
|
|
|
if (mUpButtonPressed)
|
|
{
|
|
faceColor = getBaseColor() - 0x303030;
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor - 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = getBaseColor();
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 1;
|
|
}
|
|
else
|
|
{
|
|
faceColor = getBaseColor();
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor + 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = faceColor - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 0;
|
|
}
|
|
|
|
graphics->setColor(faceColor);
|
|
graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
|
|
|
|
graphics->setColor(highlightColor);
|
|
graphics->drawLine(0, 0, dim.width - 1, 0);
|
|
graphics->drawLine(0, 1, 0, dim.height - 1);
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
|
|
graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
|
|
|
|
graphics->setColor(getForegroundColor());
|
|
|
|
int i;
|
|
int w = dim.height / 2;
|
|
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->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawDownButton(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getDownButtonDimension();
|
|
graphics->pushClipArea(dim);
|
|
|
|
Color highlightColor;
|
|
Color shadowColor;
|
|
Color faceColor;
|
|
int offset;
|
|
int alpha = getBaseColor().a;
|
|
|
|
if (mDownButtonPressed)
|
|
{
|
|
faceColor = getBaseColor() - 0x303030;
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor - 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = getBaseColor();
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 1;
|
|
}
|
|
else
|
|
{
|
|
faceColor = getBaseColor();
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor + 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = faceColor - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 0;
|
|
}
|
|
|
|
graphics->setColor(faceColor);
|
|
graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
|
|
|
|
graphics->setColor(highlightColor);
|
|
graphics->drawLine(0, 0, dim.width - 1, 0);
|
|
graphics->drawLine(0, 1, 0, dim.height - 1);
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
|
|
graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
|
|
|
|
graphics->setColor(getForegroundColor());
|
|
|
|
int i;
|
|
int w = dim.height / 2;
|
|
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->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawLeftButton(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getLeftButtonDimension();
|
|
graphics->pushClipArea(dim);
|
|
|
|
Color highlightColor;
|
|
Color shadowColor;
|
|
Color faceColor;
|
|
int offset;
|
|
int alpha = getBaseColor().a;
|
|
|
|
if (mLeftButtonPressed)
|
|
{
|
|
faceColor = getBaseColor() - 0x303030;
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor - 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = getBaseColor();
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 1;
|
|
}
|
|
else
|
|
{
|
|
faceColor = getBaseColor();
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor + 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = faceColor - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 0;
|
|
}
|
|
|
|
graphics->setColor(faceColor);
|
|
graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
|
|
|
|
graphics->setColor(highlightColor);
|
|
graphics->drawLine(0, 0, dim.width - 1, 0);
|
|
graphics->drawLine(0, 1, 0, dim.height - 1);
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
|
|
graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
|
|
|
|
graphics->setColor(getForegroundColor());
|
|
|
|
int i;
|
|
int w = dim.width / 2;
|
|
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->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawRightButton(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getRightButtonDimension();
|
|
graphics->pushClipArea(dim);
|
|
|
|
Color highlightColor;
|
|
Color shadowColor;
|
|
Color faceColor;
|
|
int offset;
|
|
int alpha = getBaseColor().a;
|
|
|
|
if (mRightButtonPressed)
|
|
{
|
|
faceColor = getBaseColor() - 0x303030;
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor - 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = getBaseColor();
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 1;
|
|
}
|
|
else
|
|
{
|
|
faceColor = getBaseColor();
|
|
faceColor.a = alpha;
|
|
highlightColor = faceColor + 0x303030;
|
|
highlightColor.a = alpha;
|
|
shadowColor = faceColor - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
offset = 0;
|
|
}
|
|
|
|
graphics->setColor(faceColor);
|
|
graphics->fillRectangle(Rectangle(0, 0, dim.width, dim.height));
|
|
|
|
graphics->setColor(highlightColor);
|
|
graphics->drawLine(0, 0, dim.width - 1, 0);
|
|
graphics->drawLine(0, 1, 0, dim.height - 1);
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
|
|
graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
|
|
|
|
graphics->setColor(getForegroundColor());
|
|
|
|
int i;
|
|
int w = dim.width / 2;
|
|
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->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawVMarker(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getVerticalMarkerDimension();
|
|
graphics->pushClipArea(dim);
|
|
|
|
int alpha = getBaseColor().a;
|
|
Color faceColor = getBaseColor();
|
|
faceColor.a = alpha;
|
|
Color highlightColor = faceColor + 0x303030;
|
|
highlightColor.a = alpha;
|
|
Color shadowColor = faceColor - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
graphics->setColor(faceColor);
|
|
graphics->fillRectangle(Rectangle(1, 1, dim.width - 1, dim.height - 1));
|
|
|
|
graphics->setColor(highlightColor);
|
|
graphics->drawLine(0, 0, dim.width - 1, 0);
|
|
graphics->drawLine(0, 1, 0, dim.height - 1);
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
|
|
graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
|
|
|
|
graphics->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::drawHMarker(Graphics* graphics)
|
|
{
|
|
Rectangle dim = getHorizontalMarkerDimension();
|
|
graphics->pushClipArea(dim);
|
|
|
|
int alpha = getBaseColor().a;
|
|
Color faceColor = getBaseColor();
|
|
faceColor.a = alpha;
|
|
Color highlightColor = faceColor + 0x303030;
|
|
highlightColor.a = alpha;
|
|
Color shadowColor = faceColor - 0x303030;
|
|
shadowColor.a = alpha;
|
|
|
|
graphics->setColor(faceColor);
|
|
graphics->fillRectangle(Rectangle(1, 1, dim.width - 1, dim.height - 1));
|
|
|
|
graphics->setColor(highlightColor);
|
|
graphics->drawLine(0, 0, dim.width - 1, 0);
|
|
graphics->drawLine(0, 1, 0, dim.height - 1);
|
|
|
|
graphics->setColor(shadowColor);
|
|
graphics->drawLine(1, dim.height - 1, dim.width - 1, dim.height - 1);
|
|
graphics->drawLine(dim.width - 1, 0, dim.width - 1, dim.height - 1);
|
|
|
|
graphics->popClipArea();
|
|
}
|
|
|
|
void ScrollArea::logic()
|
|
{
|
|
checkPolicies();
|
|
|
|
setVerticalScrollAmount(getVerticalScrollAmount());
|
|
setHorizontalScrollAmount(getHorizontalScrollAmount());
|
|
|
|
if (getContent() != NULL)
|
|
{
|
|
getContent()->setPosition(-mHScroll + getContent()->getFrameSize(),
|
|
-mVScroll + getContent()->getFrameSize());
|
|
getContent()->logic();
|
|
}
|
|
}
|
|
|
|
void ScrollArea::checkPolicies()
|
|
{
|
|
int w = getWidth();
|
|
int h = getHeight();
|
|
|
|
mHBarVisible = false;
|
|
mVBarVisible = false;
|
|
|
|
|
|
if (!getContent())
|
|
{
|
|
mHBarVisible = (mHPolicy == SHOW_ALWAYS);
|
|
mVBarVisible = (mVPolicy == SHOW_ALWAYS);
|
|
return;
|
|
}
|
|
|
|
if (mHPolicy == SHOW_AUTO &&
|
|
mVPolicy == SHOW_AUTO)
|
|
{
|
|
if (getContent()->getWidth() <= w
|
|
&& getContent()->getHeight() <= h)
|
|
{
|
|
mHBarVisible = false;
|
|
mVBarVisible = false;
|
|
}
|
|
|
|
if (getContent()->getWidth() > w)
|
|
{
|
|
mHBarVisible = true;
|
|
}
|
|
|
|
if ((getContent()->getHeight() > h)
|
|
|| (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.");
|
|
}
|
|
|
|
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.");
|
|
}
|
|
}
|
|
|
|
Rectangle ScrollArea::getUpButtonDimension()
|
|
{
|
|
if (!mVBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
return Rectangle(getWidth() - mScrollbarWidth,
|
|
0,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
Rectangle ScrollArea::getDownButtonDimension()
|
|
{
|
|
if (!mVBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
if (mVBarVisible && mHBarVisible)
|
|
{
|
|
return Rectangle(getWidth() - mScrollbarWidth,
|
|
getHeight() - mScrollbarWidth*2,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
return Rectangle(getWidth() - mScrollbarWidth,
|
|
getHeight() - mScrollbarWidth,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
Rectangle ScrollArea::getLeftButtonDimension()
|
|
{
|
|
if (!mHBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
return Rectangle(0,
|
|
getHeight() - mScrollbarWidth,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
Rectangle ScrollArea::getRightButtonDimension()
|
|
{
|
|
if (!mHBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
if (mVBarVisible && mHBarVisible)
|
|
{
|
|
return Rectangle(getWidth() - mScrollbarWidth*2,
|
|
getHeight() - mScrollbarWidth,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
return Rectangle(getWidth() - mScrollbarWidth,
|
|
getHeight() - mScrollbarWidth,
|
|
mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
Rectangle ScrollArea::getChildrenArea()
|
|
{
|
|
Rectangle area = Rectangle(0,
|
|
0,
|
|
mVBarVisible ? getWidth() - mScrollbarWidth : getWidth(),
|
|
mHBarVisible ? getHeight() - mScrollbarWidth : getHeight());
|
|
|
|
if (area.width < 0 || area.height < 0)
|
|
return Rectangle();
|
|
|
|
return area;
|
|
}
|
|
|
|
Rectangle ScrollArea::getVerticalBarDimension()
|
|
{
|
|
if (!mVBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
if (mHBarVisible)
|
|
{
|
|
return Rectangle(getWidth() - mScrollbarWidth,
|
|
getUpButtonDimension().height,
|
|
mScrollbarWidth,
|
|
getHeight()
|
|
- getUpButtonDimension().height
|
|
- getDownButtonDimension().height
|
|
- mScrollbarWidth);
|
|
}
|
|
|
|
return Rectangle(getWidth() - mScrollbarWidth,
|
|
getUpButtonDimension().height,
|
|
mScrollbarWidth,
|
|
getHeight()
|
|
- getUpButtonDimension().height
|
|
- getDownButtonDimension().height);
|
|
}
|
|
|
|
Rectangle ScrollArea::getHorizontalBarDimension()
|
|
{
|
|
if (!mHBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
if (mVBarVisible)
|
|
{
|
|
return Rectangle(getLeftButtonDimension().width,
|
|
getHeight() - mScrollbarWidth,
|
|
getWidth()
|
|
- getLeftButtonDimension().width
|
|
- getRightButtonDimension().width
|
|
- mScrollbarWidth,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
return Rectangle(getLeftButtonDimension().width,
|
|
getHeight() - mScrollbarWidth,
|
|
getWidth()
|
|
- getLeftButtonDimension().width
|
|
- getRightButtonDimension().width,
|
|
mScrollbarWidth);
|
|
}
|
|
|
|
Rectangle ScrollArea::getVerticalMarkerDimension()
|
|
{
|
|
if (!mVBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
int length, pos;
|
|
Rectangle barDim = getVerticalBarDimension();
|
|
|
|
if (getContent() && getContent()->getHeight() != 0)
|
|
{
|
|
length = (barDim.height * getChildrenArea().height)
|
|
/ getContent()->getHeight();
|
|
}
|
|
else
|
|
{
|
|
length = barDim.height;
|
|
}
|
|
|
|
if (length < mScrollbarWidth)
|
|
{
|
|
length = mScrollbarWidth;
|
|
}
|
|
|
|
if (length > barDim.height)
|
|
{
|
|
length = barDim.height;
|
|
}
|
|
|
|
if (getVerticalMaxScroll() != 0)
|
|
{
|
|
pos = ((barDim.height - length) * getVerticalScrollAmount())
|
|
/ getVerticalMaxScroll();
|
|
}
|
|
else
|
|
{
|
|
pos = 0;
|
|
}
|
|
|
|
return Rectangle(barDim.x, barDim.y + pos, mScrollbarWidth, length);
|
|
}
|
|
|
|
Rectangle ScrollArea::getHorizontalMarkerDimension()
|
|
{
|
|
if (!mHBarVisible)
|
|
{
|
|
return Rectangle(0, 0, 0, 0);
|
|
}
|
|
|
|
int length, pos;
|
|
Rectangle barDim = getHorizontalBarDimension();
|
|
|
|
if (getContent() && getContent()->getWidth() != 0)
|
|
{
|
|
length = (barDim.width * getChildrenArea().width)
|
|
/ getContent()->getWidth();
|
|
}
|
|
else
|
|
{
|
|
length = barDim.width;
|
|
}
|
|
|
|
if (length < mScrollbarWidth)
|
|
{
|
|
length = mScrollbarWidth;
|
|
}
|
|
|
|
if (length > barDim.width)
|
|
{
|
|
length = barDim.width;
|
|
}
|
|
|
|
if (getHorizontalMaxScroll() != 0)
|
|
{
|
|
pos = ((barDim.width - length) * getHorizontalScrollAmount())
|
|
/ getHorizontalMaxScroll();
|
|
}
|
|
else
|
|
{
|
|
pos = 0;
|
|
}
|
|
|
|
return Rectangle(barDim.x + pos, barDim.y, length, mScrollbarWidth);
|
|
}
|
|
|
|
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());
|
|
}
|
|
|
|
Widget *ScrollArea::getWidgetAt(int x, int y)
|
|
{
|
|
if (getChildrenArea().isPointInRect(x, y))
|
|
{
|
|
return getContent();
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void ScrollArea::mouseWheelMovedUp(MouseEvent& mouseEvent)
|
|
{
|
|
if (mouseEvent.isConsumed())
|
|
{
|
|
return;
|
|
}
|
|
|
|
setVerticalScrollAmount(getVerticalScrollAmount() - getChildrenArea().height / 8);
|
|
|
|
mouseEvent.consume();
|
|
}
|
|
|
|
void ScrollArea::mouseWheelMovedDown(MouseEvent& mouseEvent)
|
|
{
|
|
if (mouseEvent.isConsumed())
|
|
{
|
|
return;
|
|
}
|
|
|
|
setVerticalScrollAmount(getVerticalScrollAmount() + getChildrenArea().height / 8);
|
|
|
|
mouseEvent.consume();
|
|
}
|
|
|
|
void ScrollArea::setWidth(int width)
|
|
{
|
|
Widget::setWidth(width);
|
|
checkPolicies();
|
|
}
|
|
|
|
void ScrollArea::setHeight(int height)
|
|
{
|
|
Widget::setHeight(height);
|
|
checkPolicies();
|
|
}
|
|
|
|
void ScrollArea::setDimension(const Rectangle& dimension)
|
|
{
|
|
Widget::setDimension(dimension);
|
|
checkPolicies();
|
|
}
|
|
|
|
void ScrollArea::setLeftButtonScrollAmount(int amount)
|
|
{
|
|
mLeftButtonScrollAmount = amount;
|
|
}
|
|
|
|
void ScrollArea::setRightButtonScrollAmount(int amount)
|
|
{
|
|
mRightButtonScrollAmount = amount;
|
|
}
|
|
|
|
void ScrollArea::setUpButtonScrollAmount(int amount)
|
|
{
|
|
mUpButtonScrollAmount = amount;
|
|
}
|
|
|
|
void ScrollArea::setDownButtonScrollAmount(int amount)
|
|
{
|
|
mDownButtonScrollAmount = amount;
|
|
}
|
|
|
|
int ScrollArea::getLeftButtonScrollAmount() const
|
|
{
|
|
return mLeftButtonScrollAmount;
|
|
}
|
|
|
|
int ScrollArea::getRightButtonScrollAmount() const
|
|
{
|
|
return mRightButtonScrollAmount;
|
|
}
|
|
|
|
int ScrollArea::getUpButtonScrollAmount() const
|
|
{
|
|
return mUpButtonScrollAmount;
|
|
}
|
|
|
|
int ScrollArea::getDownButtonScrollAmount() const
|
|
{
|
|
return mDownButtonScrollAmount;
|
|
}
|
|
|
|
void ScrollArea::setOpaque(bool opaque)
|
|
{
|
|
mOpaque = opaque;
|
|
}
|
|
|
|
|
|
bool ScrollArea::isOpaque() const
|
|
{
|
|
return mOpaque;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Wow! This is a looooong source file.
|
|
*/
|