diff options
Diffstat (limited to 'src/gui/widgets/scrollarea.h')
| -rw-r--r-- | src/gui/widgets/scrollarea.h | 413 |
1 files changed, 405 insertions, 8 deletions
diff --git a/src/gui/widgets/scrollarea.h b/src/gui/widgets/scrollarea.h index 7d2b39a96..70abac6ef 100644 --- a/src/gui/widgets/scrollarea.h +++ b/src/gui/widgets/scrollarea.h @@ -20,11 +20,55 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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 GUI_WIDGETS_SCROLLAREA_H #define GUI_WIDGETS_SCROLLAREA_H -#include "gui/base/widgets/scrollarea.hpp" +#include "gui/widgets/basiccontainer.h" +#include "listeners/mouselistener.h" #include "listeners/widgetlistener.h" #include "localconsts.h" @@ -41,11 +85,28 @@ class ImageCollection; * * \ingroup GUI */ -class ScrollArea final : public gcn::ScrollArea, +class ScrollArea final : public BasicContainer, + public MouseListener, public WidgetListener { 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. * * @param content the initial content to show in the scroll area @@ -135,6 +196,234 @@ class ScrollArea final : public gcn::ScrollArea, Rect getRightButtonDimension() const; + /** + * 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(const 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 + { return mHPolicy; } + + /** + * Sets the vertical scrollbar policy. See enum with policies. + * + * @param vPolicy The policy for the vertical scrollbar. + * @see getVerticalScrollPolicy + */ + void setVerticalScrollPolicy(const ScrollPolicy vPolicy); + + /** + * Gets the vertical scrollbar policy. See enum with policies. + * + * @return The policy for the vertical scrollbar. + * @see setVerticalScrollPolicy, setScrollPolicy + */ + ScrollPolicy getVerticalScrollPolicy() const + { return mVPolicy; } + + /** + * 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(const ScrollPolicy hPolicy, + const ScrollPolicy vPolicy); + + /** + * Sets the amount to scroll vertically. + * + * @param vScroll The amount to scroll. + * @see getVerticalScrollAmount + */ + void setVerticalScrollAmount(const int vScroll); + + /** + * Gets the amount that is scrolled vertically. + * + * @return The scroll amount on vertical scroll. + * @see setVerticalScrollAmount, setScrollAmount + */ + int getVerticalScrollAmount() const + { return mVScroll; } + + /** + * 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 + { return mHScroll; } + + /** + * 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(const int hScroll, const 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(const int width); + + /** + * Gets the width of the scroll bars. + * + * @return the width of the ScrollBar. + * @see setScrollbarWidth + */ + int getScrollbarWidth() const + { return mScrollbarWidth; } + + /** + * 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(const int amount) + { mLeftButtonScrollAmount = 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(const int amount) + { mRightButtonScrollAmount = 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(const int amount) + { mUpButtonScrollAmount = 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(const int amount) + { mDownButtonScrollAmount = 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 + { return mLeftButtonScrollAmount; } + + /** + * 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 + { return mRightButtonScrollAmount; } + + /** + * 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 + { return mUpButtonScrollAmount; } + + /** + * 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 + { return mDownButtonScrollAmount; } + + void showWidgetPart(Widget *const widget, Rect area) override final; + + Rect getChildrenArea() override final; + + Widget *getWidgetAt(int x, int y) override final; + + void setWidth(int width); + + void setHeight(int height); + + void setDimension(const Rect& dimension); + + void mouseWheelMovedUp(MouseEvent& mouseEvent) override final; + + void mouseWheelMovedDown(MouseEvent& mouseEvent) override final; + protected: enum BUTTON_DIR { @@ -150,12 +439,17 @@ class ScrollArea final : public gcn::ScrollArea, */ void init(std::string skinName); + /** + * Checks the policies for the scroll bars. + */ + void checkPolicies(); + void drawButton(Graphics *const graphics, const BUTTON_DIR dir); void calcButton(Graphics *const graphics, const BUTTON_DIR dir); - void drawVBar(Graphics *const graphics) override final; - void drawHBar(Graphics *const graphics) override final; - void drawVMarker(Graphics *const graphics) override final; - void drawHMarker(Graphics *const graphics) override final; + void drawVBar(Graphics *const graphics); + void drawHBar(Graphics *const graphics); + void drawVMarker(Graphics *const graphics); + void drawHMarker(Graphics *const graphics); void calcVBar(Graphics *const graphics); void calcHBar(Graphics *const graphics); @@ -176,8 +470,111 @@ class ScrollArea final : public gcn::ScrollArea, static ImageRect hBackground; static Image *buttons[4][2]; - int mX, mY; - int mClickX, mClickY; + /** + * 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; + + int mX; + int mY; + int mClickX; + int mClickY; ImageCollection *mVertexes; ImageCollection *mVertexes2; int mXOffset; |