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author | Andrei Karas <akaras@inbox.ru> | 2011-05-30 20:09:31 +0300 |
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committer | Andrei Karas <akaras@inbox.ru> | 2011-05-30 20:09:31 +0300 |
commit | fc7928bab206892653a5a7279b384f2bcd323ea4 (patch) | |
tree | f1373ab222c03dd2372a4d16d67ee1f1e348d55b /src/guichan/widgets/scrollarea.hpp | |
parent | d548e9bc6c987a4834ce3d65b33108f55e0f7a2c (diff) | |
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Add guichan files to automake
Diffstat (limited to 'src/guichan/widgets/scrollarea.hpp')
-rw-r--r-- | src/guichan/widgets/scrollarea.hpp | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/src/guichan/widgets/scrollarea.hpp b/src/guichan/widgets/scrollarea.hpp new file mode 100644 index 000000000..0b2ccad92 --- /dev/null +++ b/src/guichan/widgets/scrollarea.hpp @@ -0,0 +1,590 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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. + */ + +#ifndef GCN_SCROLLAREA_HPP +#define GCN_SCROLLAREA_HPP + +#include <string> + +#include "guichan/basiccontainer.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" + +namespace gcn +{ + /** + * Implementation if a scrollable area used to view widgets larger than the scroll area. + * A scroll area can be customized to always show scroll bars or to show them only when + * necessary. + */ + class GCN_CORE_DECLSPEC ScrollArea: + public BasicContainer, + public MouseListener + { + public: + + /** + * Scrollpolicies for the horizontal and vertical scrollbar. + * The policies are: + * + * SHOW_ALWAYS - Always show the scrollbars no matter what. + * SHOW_NEVER - Never show the scrollbars no matter waht. + * SHOW_AUTO - Show the scrollbars only when needed. That is if the + * content grows larger then the ScrollArea. + */ + enum ScrollPolicy + { + SHOW_ALWAYS = 0, + SHOW_NEVER, + SHOW_AUTO + }; + + /** + * Constructor. + */ + ScrollArea(); + + /** + * Constructor. + * + * @param content The content of the scroll area. + */ + ScrollArea(Widget *content); + + /** + * Constructor. + * + * @param content The content of the scroll area. + * @param hPolicy The policy for the horizontal scrollbar. See enum with + * policies. + * @param vPolicy The policy for the vertical scrollbar. See enum with + * policies. + */ + ScrollArea(Widget *content, + ScrollPolicy hPolicy, + ScrollPolicy vPolicy); + + /** + * Destructor. + */ + virtual ~ScrollArea(); + + /** + * Sets the content. + * + * @param widget The content of the scroll area. + */ + void setContent(Widget* widget); + + /** + * Gets the content. + * + * @return The content of the scroll area. + */ + Widget* getContent(); + + /** + * Sets the horizontal scrollbar policy. See enum with policies. + * + * @param hPolicy The policy for the horizontal scrollbar. + * @see getHorizontalScrollPolicy + */ + void setHorizontalScrollPolicy(ScrollPolicy hPolicy); + + /** + * Gets the horizontal scrollbar policy. See enum with policies. + * + * @return The policy for the horizontal scrollbar policy. + * @see setHorizontalScrollPolicy, setScrollPolicy + */ + ScrollPolicy getHorizontalScrollPolicy() const; + + /** + * Sets the vertical scrollbar policy. See enum with policies. + * + * @param vPolicy The policy for the vertical scrollbar. + * @see getVerticalScrollPolicy + */ + void setVerticalScrollPolicy(ScrollPolicy vPolicy); + + /** + * Gets the vertical scrollbar policy. See enum with policies. + * + * @return The policy for the vertical scrollbar. + * @see setVerticalScrollPolicy, setScrollPolicy + */ + ScrollPolicy getVerticalScrollPolicy() const; + + /** + * Sets the horizontal and vertical scrollbar policy. + * + * @param hPolicy The policy for the horizontal scrollbar. + * @param vPolicy The policy for the vertical scrollbar. + * @see getVerticalScrollPolicy, getHorizontalScrollPolicy + */ + void setScrollPolicy(ScrollPolicy hPolicy, ScrollPolicy vPolicy); + + /** + * Sets the amount to scroll vertically. + * + * @param vScroll The amount to scroll. + * @see getVerticalScrollAmount + */ + void setVerticalScrollAmount(int vScroll); + + /** + * Gets the amount that is scrolled vertically. + * + * @return The scroll amount on vertical scroll. + * @see setVerticalScrollAmount, setScrollAmount + */ + int getVerticalScrollAmount() const; + + /** + * Sets the amount to scroll horizontally. + * + * @param hScroll The amount to scroll. + * @see getHorizontalScrollAmount + */ + void setHorizontalScrollAmount(int hScroll); + + /** + * Gets the amount that is scrolled horizontally. + * + * @return The scroll amount on horizontal scroll. + * @see setHorizontalScrollAmount, setScrollAmount + */ + int getHorizontalScrollAmount() const; + + /** + * Sets the amount to scroll horizontally and vertically. + * + * @param hScroll The amount to scroll on horizontal scroll. + * @param vScroll The amount to scroll on vertical scroll. + * @see getHorizontalScrollAmount, getVerticalScrollAmount + */ + void setScrollAmount(int hScroll, int vScroll); + + /** + * Gets the maximum amount of horizontal scroll. + * + * @return The horizontal max scroll. + */ + int getHorizontalMaxScroll(); + + /** + * Gets the maximum amount of vertical scroll. + * + * @return The vertical max scroll. + */ + int getVerticalMaxScroll(); + + /** + * Sets the width of the scroll bars. + * + * @param width The width of the scroll bars. + * @see getScrollbarWidth + */ + void setScrollbarWidth(int width); + + /** + * Gets the width of the scroll bars. + * + * @return the width of the ScrollBar. + * @see setScrollbarWidth + */ + int getScrollbarWidth() const; + + /** + * Sets the amount to scroll in pixels when the left scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getLeftButtonScrollAmount + */ + void setLeftButtonScrollAmount(int amount); + + /** + * Sets the amount to scroll in pixels when the right scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getRightButtonScrollAmount + */ + void setRightButtonScrollAmount(int amount); + + /** + * Sets the amount to scroll in pixels when the up scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getUpButtonScrollAmount + */ + void setUpButtonScrollAmount(int amount); + + /** + * Sets the amount to scroll in pixels when the down scroll button is + * pushed. + * + * @param amount The amount to scroll in pixels. + * @see getDownButtonScrollAmount + */ + void setDownButtonScrollAmount(int amount); + + /** + * Gets the amount to scroll in pixels when the left scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setLeftButtonScrollAmount + */ + int getLeftButtonScrollAmount() const; + + /** + * Gets the amount to scroll in pixels when the right scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setRightButtonScrollAmount + */ + int getRightButtonScrollAmount() const; + + /** + * Gets the amount to scroll in pixels when the up scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setUpButtonScrollAmount + */ + int getUpButtonScrollAmount() const; + + /** + * Gets the amount to scroll in pixels when the down scroll button is + * pushed. + * + * @return The amount to scroll in pixels. + * @see setDownButtonScrollAmount + */ + int getDownButtonScrollAmount() const; + + /** + * Sets the scroll area to be opaque, that is sets the scoll area + * to display its background. + * + * @param opaque True if the scoll area should be opaque, false otherwise. + */ + void setOpaque(bool opaque); + + /** + * Checks if the scroll area is opaque, that is if the scroll area + * displays its background. + * + * @return True if the scroll area is opaque, false otherwise. + */ + bool isOpaque() const; + + + // Inherited from BasicContainer + + virtual void showWidgetPart(Widget* widget, Rectangle area); + + virtual Rectangle getChildrenArea(); + + virtual Widget *getWidgetAt(int x, int y); + + + // Inherited from Widget + + virtual void draw(Graphics *graphics); + + virtual void logic(); + + void setWidth(int width); + + void setHeight(int height); + + void setDimension(const Rectangle& dimension); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseReleased(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedUp(MouseEvent& mouseEvent); + + virtual void mouseWheelMovedDown(MouseEvent& mouseEvent); + + protected: + /** + * Draws the background of the scroll area, that is + * the area behind the content. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawBackground(Graphics *graphics); + + /** + * Draws the up button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawUpButton(Graphics *graphics); + + /** + * Draws the down button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawDownButton(Graphics *graphics); + + /** + * Draws the left button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawLeftButton(Graphics *graphics); + + /** + * Draws the right button. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawRightButton(Graphics *graphics); + + /** + * Draws the vertical scroll bar. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawVBar(Graphics* graphics); + + /** + * Draws the horizontal scroll bar. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawHBar(Graphics* graphics); + + /** + * Draws the vertical marker. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawVMarker(Graphics* graphics); + + /** + * Draws the horizontal marker. + * + * @param graphics a Graphics object to draw with. + */ + virtual void drawHMarker(Graphics* graphics); + + /** + * Checks the policies for the scroll bars. + */ + virtual void checkPolicies(); + + /** + * Gets the up button dimension. + * + * @return the dimension of the up button. + */ + Rectangle getUpButtonDimension(); + + /** + * Gets the down button dimension. + * + * @return the dimension of the down button. + */ + Rectangle getDownButtonDimension(); + + /** + * Gets the left button dimension. + * + * @return the dimension of the left button. + */ + Rectangle getLeftButtonDimension(); + + /** + * Gets the right button dimension. + * + * @return the dimension of the right button. + */ + Rectangle getRightButtonDimension(); + + /** + * Gets the vertical scrollbar dimension. + * + * @return the dimension of the vertical scrollbar. + */ + Rectangle getVerticalBarDimension(); + + /** + * Gets the horizontal scrollbar dimension. + * + * @return the dimension of the horizontal scrollbar. + */ + Rectangle getHorizontalBarDimension(); + + /** + * Gets the vertical marker dimension. + * + * @return the dimension of the vertical marker. + */ + Rectangle getVerticalMarkerDimension(); + + /** + * Gets the horizontal marker dimension. + * + * @return the dimension of the horizontal marker. + */ + Rectangle getHorizontalMarkerDimension(); + + /** + * Holds the vertical scroll amount. + */ + int mVScroll; + + /** + * Holds the horizontal scroll amount. + */ + int mHScroll; + + /** + * Holds the width of the scroll bars. + */ + int mScrollbarWidth; + + /** + * Holds the horizontal scroll bar policy. + */ + ScrollPolicy mHPolicy; + + /** + * Holds the vertical scroll bar policy. + */ + ScrollPolicy mVPolicy; + + /** + * True if the vertical scroll bar is visible, false otherwise. + */ + bool mVBarVisible; + + /** + * True if the horizontal scroll bar is visible, false otherwise. + */ + bool mHBarVisible; + + /** + * True if the up button is pressed, false otherwise. + */ + bool mUpButtonPressed; + + /** + * True if the down button is pressed, false otherwise. + */ + bool mDownButtonPressed; + + /** + * True if the left button is pressed, false otherwise. + */ + bool mLeftButtonPressed; + + /** + * True if the right button is pressed, false otherwise. + */ + bool mRightButtonPressed; + + /** + * Holds the up button scroll amount. + */ + int mUpButtonScrollAmount; + + /** + * Holds the down button scroll amount. + */ + int mDownButtonScrollAmount; + + /** + * Holds the left button scroll amount. + */ + int mLeftButtonScrollAmount; + + /** + * Holds the right button scroll amount. + */ + int mRightButtonScrollAmount; + + /** + * True if the vertical marked is dragged. + */ + bool mIsVerticalMarkerDragged; + + /** + * True if the horizontal marked is dragged. + */ + bool mIsHorizontalMarkerDragged; + + /** + * Holds the horizontal markers drag offset. + */ + int mHorizontalMarkerDragOffset; + + /** + * Holds the vertical markers drag offset. + */ + int mVerticalMarkerDragOffset; + + /** + * True if the scroll area should be opaque (that is + * display its background), false otherwise. + */ + bool mOpaque; + }; +} + +#endif // end GCN_SCROLLAREA_HPP |