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Diffstat (limited to 'src/gui/widgets/scrollarea.cpp')
| -rw-r--r-- | src/gui/widgets/scrollarea.cpp | 1460 |
1 files changed, 0 insertions, 1460 deletions
diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp deleted file mode 100644 index e22ecdcf3..000000000 --- a/src/gui/widgets/scrollarea.cpp +++ /dev/null @@ -1,1460 +0,0 @@ -/* - * The ManaPlus Client - * Copyright (C) 2004-2009 The Mana World Development Team - * Copyright (C) 2009-2010 The Mana Developers - * Copyright (C) 2011-2017 The ManaPlus Developers - * - * This file is part of The ManaPlus Client. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * 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. - */ - -#include "gui/widgets/scrollarea.h" - -#include "settings.h" - -#include "gui/gui.h" -#include "gui/skin.h" - -#include "utils/delete2.h" -#include "utils/stringutils.h" - -#include "render/graphics.h" - -#include "render/vertexes/imagecollection.h" - -#include "resources/imagerect.h" - -#include "resources/image/image.h" - -#include "debug.h" - -int ScrollArea::instances = 0; -float ScrollArea::mAlpha = 1.0; -bool ScrollArea::mShowButtons = true; -int ScrollArea::mMarkerSize = 0; -int ScrollArea::mScrollbarSize = 12; -ImageRect ScrollArea::background; -ImageRect ScrollArea::vMarker; -ImageRect ScrollArea::vMarkerHi; -ImageRect ScrollArea::vBackground; -ImageRect ScrollArea::hBackground; -Image *ScrollArea::buttons[4][2]; - -static std::string const buttonFiles[2] = -{ - "scrollbuttons.xml", - "scrollbuttons_pressed.xml" -}; - -ScrollArea::ScrollArea(Widget2 *const widget2, - Widget *const widget, - const Opaque opaque, - const std::string &skin) : - BasicContainer(widget2), - MouseListener(), - WidgetListener(), - mVertexes(new ImageCollection), - mVertexes2(new ImageCollection), - mHPolicy(SHOW_AUTO), - mVPolicy(SHOW_AUTO), - mVScroll(0), - mHScroll(0), - mScrollbarWidth(12), - mUpButtonScrollAmount(10), - mDownButtonScrollAmount(10), - mLeftButtonScrollAmount(10), - mRightButtonScrollAmount(10), - mHorizontalMarkerDragOffset(0), - mVerticalMarkerDragOffset(0), - mX(0), - mY(0), - mClickX(0), - mClickY(0), - mXOffset(0), - mYOffset(0), - mDrawWidth(0), - mDrawHeight(0), - mVBarVisible(false), - mHBarVisible(false), - mUpButtonPressed(false), - mDownButtonPressed(false), - mLeftButtonPressed(false), - mRightButtonPressed(false), - mIsVerticalMarkerDragged(false), - mIsHorizontalMarkerDragged(false), - mOpaque(Opaque_true), - mHasMouse(false) -{ - setContent(widget); - addMouseListener(this); - mOpaque = opaque; - init(skin); -} - -ScrollArea::~ScrollArea() -{ - if (gui != nullptr) - gui->removeDragged(this); - - // Garbage collection - delete getContent(); - - instances--; - if (instances == 0) - { - Theme::unloadRect(background); - Theme::unloadRect(vMarker); - Theme::unloadRect(vMarkerHi); - Theme::unloadRect(vBackground); - Theme::unloadRect(hBackground); - for (int i = 0; i < 2; i ++) - { - for (int f = UP; f < BUTTONS_DIR; f ++) - { - if (buttons[f][i] != nullptr) - buttons[f][i]->decRef(); - } - } - } - - delete2(mVertexes); - delete2(mVertexes2); - - setContent(nullptr); -} - -void ScrollArea::init(std::string skinName) -{ - setOpaque(mOpaque); - - setUpButtonScrollAmount(2); - setDownButtonScrollAmount(2); - setLeftButtonScrollAmount(2); - setRightButtonScrollAmount(2); - - if (instances == 0) - { - for (int f = 0; f < 9; f ++) - { - background.grid[f] = nullptr; - vMarker.grid[f] = nullptr; - vMarkerHi.grid[f] = nullptr; - vBackground.grid[f] = nullptr; - hBackground.grid[f] = nullptr; - } - - // +++ here probably need move background from static - if (skinName.empty()) - skinName = "scroll_background.xml"; - if (theme != nullptr) - { - theme->loadRect(background, skinName, "scroll_background.xml"); - theme->loadRect(vMarker, "scroll.xml", ""); - theme->loadRect(vMarkerHi, "scroll_highlighted.xml", "scroll.xml"); - theme->loadRect(vBackground, "scroll_vbackground.xml", ""); - theme->loadRect(hBackground, "scroll_hbackground.xml", ""); - } - - for (int i = 0; i < 2; i ++) - { - Skin *skin = nullptr; - if (theme != nullptr) - skin = theme->load(buttonFiles[i], "scrollbuttons.xml"); - if (skin != nullptr) - { - const ImageRect &rect = skin->getBorder(); - for (int f = UP; f < BUTTONS_DIR; f ++) - { - if (rect.grid[f] != nullptr) - rect.grid[f]->incRef(); - buttons[f][i] = rect.grid[f]; - } - if (i == 0) - { - mShowButtons = (skin->getOption("showbuttons", 1) == 1); - mMarkerSize = skin->getOption("markersize", 0); - mScrollbarSize = skin->getOption("scrollbarsize", 12); - } - } - else - { - for (int f = UP; f < BUTTONS_DIR; f ++) - buttons[f][i] = nullptr; - } - if (theme != nullptr) - theme->unload(skin); - } - } - mScrollbarWidth = mScrollbarSize; - instances++; -} - -void ScrollArea::logic() -{ - BLOCK_START("ScrollArea::logic") - if (!isVisible()) - { - BLOCK_END("ScrollArea::logic") - return; - } - - checkPolicies(); - - setVerticalScrollAmount(mVScroll); - setHorizontalScrollAmount(mHScroll); - - Widget *const content = getContent(); - if (content != nullptr) - { - unsigned int frameSize = content->getFrameSize(); - content->setPosition(-mHScroll + frameSize, -mVScroll + frameSize); - content->logic(); - - // When no scrollbar in a certain direction, - // adapt content size to match the content dimension exactly. - frameSize = 2 * content->getFrameSize(); - if (mHPolicy == ScrollArea::SHOW_NEVER) - { - content->setWidth((mVBarVisible ? (mDimension.width - - mScrollbarWidth) : mDimension.width) - frameSize); - } - if (mVPolicy == ScrollArea::SHOW_NEVER) - { - content->setHeight((mHBarVisible ? (mDimension.height - - mScrollbarWidth) : mDimension.height) - frameSize); - } - } - - if (mUpButtonPressed) - setVerticalScrollAmount(mVScroll - mUpButtonScrollAmount); - else if (mDownButtonPressed) - setVerticalScrollAmount(mVScroll + mDownButtonScrollAmount); - else if (mLeftButtonPressed) - setHorizontalScrollAmount(mHScroll - mLeftButtonScrollAmount); - else if (mRightButtonPressed) - setHorizontalScrollAmount(mHScroll + mRightButtonScrollAmount); - BLOCK_END("ScrollArea::logic") -} - -void ScrollArea::updateAlpha() -{ - const float alpha = std::max(settings.guiAlpha, - theme->getMinimumOpacity()); - - if (alpha != mAlpha) - { - mAlpha = alpha; - for (int a = 0; a < 9; a++) - { - if (background.grid[a] != nullptr) - background.grid[a]->setAlpha(mAlpha); - if (hBackground.grid[a] != nullptr) - hBackground.grid[a]->setAlpha(mAlpha); - if (vBackground.grid[a] != nullptr) - vBackground.grid[a]->setAlpha(mAlpha); - if (vMarker.grid[a] != nullptr) - vMarker.grid[a]->setAlpha(mAlpha); - if (vMarkerHi.grid[a] != nullptr) - vMarkerHi.grid[a]->setAlpha(mAlpha); - } - } -} - -void ScrollArea::draw(Graphics *const graphics) -{ - BLOCK_START("ScrollArea::draw") - if (mVBarVisible || mHBarVisible) - { - if (mOpaque == Opaque_false) - updateCalcFlag(graphics); - // need add caching or remove calc calls. -// if (mRedraw) - { - mVertexes->clear(); - if (mVBarVisible) - { - if (mShowButtons) - { - calcButton(graphics, UP); - calcButton(graphics, DOWN); - } - calcVBar(graphics); - calcVMarker(graphics); - } - - if (mHBarVisible) - { - if (mShowButtons) - { - calcButton(graphics, LEFT); - calcButton(graphics, RIGHT); - } - calcHBar(graphics); - calcHMarker(graphics); - } - graphics->finalize(mVertexes); - } - graphics->drawTileCollection(mVertexes); - } - - updateAlpha(); - - if (mRedraw) - { - const bool redraw = graphics->getRedraw(); - graphics->setRedraw(true); - drawChildren(graphics); - graphics->setRedraw(redraw); - } - else - { - drawChildren(graphics); - } - mRedraw = false; - BLOCK_END("ScrollArea::draw") -} - -void ScrollArea::safeDraw(Graphics *const graphics) -{ - BLOCK_START("ScrollArea::draw") - if (mVBarVisible) - { - if (mShowButtons) - { - drawButton(graphics, UP); - drawButton(graphics, DOWN); - } - drawVBar(graphics); - drawVMarker(graphics); - } - - if (mHBarVisible) - { - if (mShowButtons) - { - drawButton(graphics, LEFT); - drawButton(graphics, RIGHT); - } - drawHBar(graphics); - drawHMarker(graphics); - } - - updateAlpha(); - - safeDrawChildren(graphics); - mRedraw = false; - BLOCK_END("ScrollArea::draw") -} - -void ScrollArea::updateCalcFlag(const Graphics *const graphics) -{ - if (!mRedraw) - { - // because we don't know where parent windows was moved, - // need recalc vertexes - const ClipRect &rect = graphics->getTopClip(); - if (rect.xOffset != mXOffset || rect.yOffset != mYOffset) - { - mRedraw = true; - mXOffset = rect.xOffset; - mYOffset = rect.yOffset; - } - else if (rect.width != mDrawWidth || rect.height != mDrawHeight) - { - mRedraw = true; - mDrawWidth = rect.width; - mDrawHeight = rect.height; - } - else if (graphics->getRedraw()) - { - mRedraw = true; - } - } -} - -void ScrollArea::drawFrame(Graphics *const graphics) -{ - BLOCK_START("ScrollArea::drawFrame") - if (mOpaque == Opaque_true) - { - const int bs = mFrameSize * 2; - const int w = mDimension.width + bs; - const int h = mDimension.height + bs; - - updateCalcFlag(graphics); - - if (mRedraw) - { - mVertexes2->clear(); - graphics->calcWindow(mVertexes2, - 0, 0, - w, h, - background); - graphics->finalize(mVertexes2); - } - graphics->drawTileCollection(mVertexes2); - } - BLOCK_END("ScrollArea::drawFrame") -} - -void ScrollArea::safeDrawFrame(Graphics *const graphics) -{ - BLOCK_START("ScrollArea::drawFrame") - if (mOpaque == Opaque_true) - { - const int bs = mFrameSize * 2; - const int w = mDimension.width + bs; - const int h = mDimension.height + bs; - - updateCalcFlag(graphics); - graphics->drawImageRect(0, 0, - w, h, - background); - } - BLOCK_END("ScrollArea::drawFrame") -} - -void ScrollArea::setOpaque(Opaque opaque) -{ - mOpaque = opaque; - setFrameSize(mOpaque == Opaque_true ? 2 : 0); -} - -Image *ScrollArea::getImageByState(Rect &dim, const BUTTON_DIR dir) -{ - int state = 0; - - switch (dir) - { - case UP: - state = mUpButtonPressed ? 1 : 0; - dim = getUpButtonDimension(); - break; - case DOWN: - state = mDownButtonPressed ? 1 : 0; - dim = getDownButtonDimension(); - break; - case LEFT: - state = mLeftButtonPressed ? 1 : 0; - dim = getLeftButtonDimension(); - break; - case RIGHT: - state = mRightButtonPressed ? 1 : 0; - dim = getRightButtonDimension(); - break; - case BUTTONS_DIR: - default: - logger->log("ScrollArea::drawButton unknown dir: " - + toString(CAST_U32(dir))); - return nullptr; - } - return buttons[CAST_SIZE(dir)][state]; -} - -void ScrollArea::drawButton(Graphics *const graphics, - const BUTTON_DIR dir) -{ - Rect dim; - const Image *const image = getImageByState(dim, dir); - - if (image != nullptr) - graphics->drawImage(image, dim.x, dim.y); -} - -void ScrollArea::calcButton(Graphics *const graphics, - const BUTTON_DIR dir) -{ - Rect dim; - const Image *const image = getImageByState(dim, dir); - - if (image != nullptr) - { - static_cast<Graphics*>(graphics)->calcTileCollection( - mVertexes, image, dim.x, dim.y); - } -} - -void ScrollArea::drawVBar(Graphics *const graphics) const -{ - const Rect &dim = getVerticalBarDimension(); - - if (vBackground.grid[4] != nullptr) - { - graphics->drawPattern(vBackground.grid[4], - dim.x, dim.y, dim.width, dim.height); - } - if (vBackground.grid[1] != nullptr) - { - graphics->drawPattern(vBackground.grid[1], - dim.x, dim.y, - dim.width, vBackground.grid[1]->getHeight()); - } - if (vBackground.grid[7] != nullptr) - { - graphics->drawPattern(vBackground.grid[7], - dim.x, dim.height - vBackground.grid[7]->getHeight() + dim.y, - dim.width, vBackground.grid[7]->getHeight()); - } -} - -void ScrollArea::calcVBar(const Graphics *const graphics) -{ - const Rect &dim = getVerticalBarDimension(); - - if (vBackground.grid[4] != nullptr) - { - graphics->calcPattern(mVertexes, - vBackground.grid[4], - dim.x, dim.y, - dim.width, dim.height); - } - if (vBackground.grid[1] != nullptr) - { - graphics->calcPattern(mVertexes, - vBackground.grid[1], - dim.x, dim.y, - dim.width, vBackground.grid[1]->getHeight()); - } - if (vBackground.grid[7] != nullptr) - { - graphics->calcPattern(mVertexes, - vBackground.grid[7], - dim.x, dim.height - vBackground.grid[7]->getHeight() + dim.y, - dim.width, vBackground.grid[7]->getHeight()); - } -} - -void ScrollArea::drawHBar(Graphics *const graphics) const -{ - const Rect &dim = getHorizontalBarDimension(); - - if (hBackground.grid[4] != nullptr) - { - graphics->drawPattern(hBackground.grid[4], - dim.x, dim.y, - dim.width, dim.height); - } - - if (hBackground.grid[3] != nullptr) - { - graphics->drawPattern(hBackground.grid[3], - dim.x, dim.y, - hBackground.grid[3]->getWidth(), dim.height); - } - - if (hBackground.grid[5] != nullptr) - { - graphics->drawPattern(hBackground.grid[5], - dim.x + dim.width - hBackground.grid[5]->getWidth(), - dim.y, - hBackground.grid[5]->getWidth(), - dim.height); - } -} - -void ScrollArea::calcHBar(const Graphics *const graphics) -{ - const Rect &dim = getHorizontalBarDimension(); - - if (hBackground.grid[4] != nullptr) - { - graphics->calcPattern(mVertexes, - hBackground.grid[4], - dim.x, dim.y, - dim.width, dim.height); - } - - if (hBackground.grid[3] != nullptr) - { - graphics->calcPattern(mVertexes, - hBackground.grid[3], - dim.x, dim.y, - hBackground.grid[3]->getWidth(), dim.height); - } - - if (hBackground.grid[5] != nullptr) - { - graphics->calcPattern(mVertexes, - hBackground.grid[5], - dim.x + dim.width - hBackground.grid[5]->getWidth(), - dim.y, - hBackground.grid[5]->getWidth(), - dim.height); - } -} - -void ScrollArea::drawVMarker(Graphics *const graphics) -{ - const Rect &dim = getVerticalMarkerDimension(); - - if ((mHasMouse) && (mX > (mDimension.width - mScrollbarWidth))) - { - graphics->drawImageRect(dim.x, dim.y, - dim.width, dim.height, - vMarkerHi); - } - else - { - graphics->drawImageRect(dim.x, dim.y, - dim.width, dim.height, - vMarker); - } -} - -void ScrollArea::calcVMarker(Graphics *const graphics) -{ - const Rect &dim = getVerticalMarkerDimension(); - - if ((mHasMouse) && (mX > (mDimension.width - mScrollbarWidth))) - { - graphics->calcWindow(mVertexes, - dim.x, dim.y, - dim.width, dim.height, - vMarkerHi); - } - else - { - graphics->calcWindow(mVertexes, - dim.x, dim.y, - dim.width, dim.height, - vMarker); - } -} - -void ScrollArea::drawHMarker(Graphics *const graphics) -{ - const Rect dim = getHorizontalMarkerDimension(); - - if ((mHasMouse) && (mY > (mDimension.height - mScrollbarWidth))) - { - graphics->drawImageRect(dim.x, dim.y, - dim.width, dim.height, - vMarkerHi); - } - else - { - graphics->drawImageRect( - dim.x, dim.y, - dim.width, dim.height, - vMarker); - } -} - -void ScrollArea::calcHMarker(Graphics *const graphics) -{ - const Rect dim = getHorizontalMarkerDimension(); - - if ((mHasMouse) && (mY > (mDimension.height - mScrollbarWidth))) - { - graphics->calcWindow(mVertexes, - dim.x, dim.y, - dim.width, dim.height, - vMarkerHi); - } - else - { - graphics->calcWindow(mVertexes, - dim.x, dim.y, - dim.width, dim.height, - vMarker); - } -} - -void ScrollArea::mouseMoved(MouseEvent& event) -{ - mX = event.getX(); - mY = event.getY(); -} - -void ScrollArea::mouseEntered(MouseEvent& event A_UNUSED) -{ - mHasMouse = true; -} - -void ScrollArea::mouseExited(MouseEvent& event A_UNUSED) -{ - mHasMouse = false; -} - -void ScrollArea::widgetResized(const Event &event A_UNUSED) -{ - mRedraw = true; - const unsigned int frameSize = 2 * mFrameSize; - Widget *const content = getContent(); - if (content != nullptr) - { - content->setSize(mDimension.width - frameSize, - mDimension.height - frameSize); - } -} - -void ScrollArea::widgetMoved(const Event& event A_UNUSED) -{ - mRedraw = true; -} - -void ScrollArea::mousePressed(MouseEvent& event) -{ - const int x = event.getX(); - const int y = event.getY(); - - if (getUpButtonDimension().isPointInRect(x, y)) - { - setVerticalScrollAmount(mVScroll - - mUpButtonScrollAmount); - mUpButtonPressed = true; - event.consume(); - } - else if (getDownButtonDimension().isPointInRect(x, y)) - { - setVerticalScrollAmount(mVScroll - + mDownButtonScrollAmount); - mDownButtonPressed = true; - event.consume(); - } - else if (getLeftButtonDimension().isPointInRect(x, y)) - { - setHorizontalScrollAmount(mHScroll - - mLeftButtonScrollAmount); - mLeftButtonPressed = true; - event.consume(); - } - else if (getRightButtonDimension().isPointInRect(x, y)) - { - setHorizontalScrollAmount(mHScroll - + mRightButtonScrollAmount); - mRightButtonPressed = true; - event.consume(); - } - else if (getVerticalMarkerDimension().isPointInRect(x, y)) - { - mIsHorizontalMarkerDragged = false; - mIsVerticalMarkerDragged = true; - - mVerticalMarkerDragOffset = y - getVerticalMarkerDimension().y; - event.consume(); - } - else if (getVerticalBarDimension().isPointInRect(x, y)) - { - if (y < getVerticalMarkerDimension().y) - { - setVerticalScrollAmount(mVScroll - - CAST_S32(getChildrenArea().height * 0.1)); - } - else - { - setVerticalScrollAmount(mVScroll - + CAST_S32(getChildrenArea().height * 0.1)); - } - event.consume(); - } - else if (getHorizontalMarkerDimension().isPointInRect(x, y)) - { - mIsHorizontalMarkerDragged = true; - mIsVerticalMarkerDragged = false; - mHorizontalMarkerDragOffset = x - getHorizontalMarkerDimension().x; - event.consume(); - } - else if (getHorizontalBarDimension().isPointInRect(x, y)) - { - if (x < getHorizontalMarkerDimension().x) - { - setHorizontalScrollAmount(mHScroll - - CAST_S32(getChildrenArea().width * 0.1)); - } - else - { - setHorizontalScrollAmount(mHScroll - + CAST_S32(getChildrenArea().width * 0.1)); - } - event.consume(); - } - - if (event.getButton() == MouseButton::LEFT && - !event.isConsumed()) - { - mClickX = event.getX(); - mClickY = event.getY(); - } -} - -void ScrollArea::mouseReleased(MouseEvent& event) -{ - if (event.getButton() == MouseButton::LEFT && - mClickX != 0 && - mClickY != 0) - { - if (!event.isConsumed()) - { -#ifdef ANDROID - int dx = mClickX - event.getX(); - int dy = mClickY - event.getY(); -#else // ANDROID - - int dx = event.getX() - mClickX; - int dy = event.getY() - mClickY; -#endif // ANDROID - - if ((dx < 20 && dx > 0) || (dx > -20 && dx < 0)) - dx = 0; - - if ((dy < 20 && dy > 0) || (dy > -20 && dy < 0)) - dy = 0; - - if (abs(dx) > abs(dy)) - { - int s = mHScroll + dx; - if (s < 0) - { - s = 0; - } - else - { - const int maxH = getHorizontalMaxScroll(); - if (s > maxH) - s = maxH; - } - - setHorizontalScrollAmount(s); - } - else if (dy != 0) - { - int s = mVScroll + dy; - if (s < 0) - { - s = 0; - } - else - { - const int maxV = getVerticalMaxScroll(); - if (s > maxV) - s = maxV; - } - - setVerticalScrollAmount(s); - } - mClickX = 0; - mClickY = 0; - if (mMouseConsume && ((dx != 0) || (dy != 0))) - event.consume(); - } - } - mUpButtonPressed = false; - mDownButtonPressed = false; - mLeftButtonPressed = false; - mRightButtonPressed = false; - mIsHorizontalMarkerDragged = false; - mIsVerticalMarkerDragged = false; - if (mMouseConsume) - event.consume(); - mRedraw = true; -} - -void ScrollArea::mouseDragged(MouseEvent &event) -{ - if (mIsVerticalMarkerDragged) - { - const Rect barDim = getVerticalBarDimension(); - - const int pos = event.getY() - barDim.y - - mVerticalMarkerDragOffset; - const int length = getVerticalMarkerDimension().height; - - if ((barDim.height - length) > 0) - { - setVerticalScrollAmount((getVerticalMaxScroll() * pos) - / (barDim.height - length)); - } - else - { - setVerticalScrollAmount(0); - } - } - - if (mIsHorizontalMarkerDragged) - { - const Rect barDim = getHorizontalBarDimension(); - - const int pos = event.getX() - barDim.x - - mHorizontalMarkerDragOffset; - const int length = getHorizontalMarkerDimension().width; - - if ((barDim.width - length) > 0) - { - setHorizontalScrollAmount((getHorizontalMaxScroll() * pos) - / (barDim.width - length)); - } - else - { - setHorizontalScrollAmount(0); - } - } - - event.consume(); - mRedraw = true; -} - -Rect ScrollArea::getVerticalBarDimension() const -{ - if (!mVBarVisible) - return Rect(0, 0, 0, 0); - - const int height = mShowButtons ? mScrollbarWidth : 0; - if (mHBarVisible) - { - return Rect(mDimension.width - mScrollbarWidth, - height, - mScrollbarWidth, - mDimension.height - 2 * height - mScrollbarWidth); - } - - return Rect(mDimension.width - mScrollbarWidth, - height, - mScrollbarWidth, - mDimension.height - 2 * height); -} - -Rect ScrollArea::getHorizontalBarDimension() const -{ - if (!mHBarVisible) - return Rect(0, 0, 0, 0); - - const int width = mShowButtons ? mScrollbarWidth : 0; - if (mVBarVisible) - { - return Rect(width, - mDimension.height - mScrollbarWidth, - mDimension.width - 2 * width - mScrollbarWidth, - mScrollbarWidth); - } - - return Rect(width, - mDimension.height - mScrollbarWidth, - mDimension.width - 2 * width, - mScrollbarWidth); -} - -Rect ScrollArea::getVerticalMarkerDimension() -{ - if (!mVBarVisible) - return Rect(0, 0, 0, 0); - - int length, pos; - int height; - const int h2 = mShowButtons - ? mScrollbarWidth : mMarkerSize / 2; - const Widget *content; - if (!mWidgets.empty()) - content = *mWidgets.begin(); - else - content = nullptr; - - if (mHBarVisible) - height = mDimension.height - 2 * h2 - mScrollbarWidth; - else - height = mDimension.height - 2 * h2; - - const int maxV = getVerticalMaxScroll(); - if ((mMarkerSize != 0) && (maxV != 0)) - { - pos = (mVScroll * height / maxV - mMarkerSize / 2); - length = mMarkerSize; - } - else - { - if (content != nullptr) - { - const int h3 = content->getHeight(); - if (h3 != 0) - length = (height * getChildrenArea().height) / h3; - else - length = height; - } - else - { - length = height; - } - - if (length < mScrollbarWidth) - length = mScrollbarWidth; - - if (length > height) - length = height; - - const int maxScroll = getVerticalMaxScroll(); - if (maxScroll != 0) - pos = ((height - length) * mVScroll) / maxScroll; - else - pos = 0; - } - - return Rect(mDimension.width - mScrollbarWidth, h2 + pos, - mScrollbarWidth, length); -} - -Rect ScrollArea::getHorizontalMarkerDimension() -{ - if (!mHBarVisible) - return Rect(0, 0, 0, 0); - - int length, pos; - int width; - const int w2 = mShowButtons - ? mScrollbarWidth : mMarkerSize / 2; - const Widget *content; - if (!mWidgets.empty()) - content = *mWidgets.begin(); - else - content = nullptr; - - if (mVBarVisible) - width = mDimension.width - 2 * w2 - mScrollbarWidth; - else - width = mDimension.width - w2 - mScrollbarWidth; - - const int maxH = getHorizontalMaxScroll(); - if ((mMarkerSize != 0) && (maxH != 0)) - { - pos = (mHScroll * width / maxH - mMarkerSize / 2); - length = mMarkerSize; - } - else - { - if (content != nullptr) - { - const int w3 = content->getWidth(); - if (w3 != 0) - length = (width * getChildrenArea().width) / w3; - else - length = width; - } - else - { - length = width; - } - - if (length < mScrollbarWidth) - length = mScrollbarWidth; - - if (length > width) - length = width; - - if (getHorizontalMaxScroll() != 0) - { - pos = ((width - length) * mHScroll) - / getHorizontalMaxScroll(); - } - else - { - pos = 0; - } - } - - return Rect(w2 + pos, mDimension.height - mScrollbarWidth, - length, mScrollbarWidth); -} - -Rect ScrollArea::getUpButtonDimension() const -{ - if (!mVBarVisible || !mShowButtons) - return Rect(0, 0, 0, 0); - - return Rect(mDimension.width - mScrollbarWidth, 0, - mScrollbarWidth, mScrollbarWidth); -} - -Rect ScrollArea::getDownButtonDimension() const -{ - if (!mVBarVisible || !mShowButtons) - return Rect(0, 0, 0, 0); - - if (mHBarVisible) - { - return Rect(mDimension.width - mScrollbarWidth, - mDimension.height - mScrollbarWidth * 2, - mScrollbarWidth, - mScrollbarWidth); - } - - return Rect(mDimension.width - mScrollbarWidth, - mDimension.height - mScrollbarWidth, - mScrollbarWidth, - mScrollbarWidth); -} - -Rect ScrollArea::getLeftButtonDimension() const -{ - if (!mHBarVisible || !mShowButtons) - return Rect(0, 0, 0, 0); - - return Rect(0, mDimension.height - mScrollbarWidth, - mScrollbarWidth, mScrollbarWidth); -} - -Rect ScrollArea::getRightButtonDimension() const -{ - if (!mHBarVisible || !mShowButtons) - return Rect(0, 0, 0, 0); - - if (mVBarVisible) - { - return Rect(mDimension.width - mScrollbarWidth*2, - mDimension.height - mScrollbarWidth, - mScrollbarWidth, - mScrollbarWidth); - } - - return Rect(mDimension.width - mScrollbarWidth, - mDimension.height - mScrollbarWidth, - mScrollbarWidth, - mScrollbarWidth); -} - -void ScrollArea::setContent(Widget* widget) -{ - if (widget != nullptr) - { - clear(); - add(widget); - widget->setPosition(0, 0); - } - else - { - clear(); - } - - checkPolicies(); -} - -Widget* ScrollArea::getContent() -{ - if (!mWidgets.empty()) - return *mWidgets.begin(); - - return nullptr; -} - -void ScrollArea::setHorizontalScrollPolicy(const ScrollPolicy hPolicy) -{ - mHPolicy = hPolicy; - checkPolicies(); -} - -void ScrollArea::setVerticalScrollPolicy(const ScrollPolicy vPolicy) -{ - mVPolicy = vPolicy; - checkPolicies(); -} - -void ScrollArea::setScrollPolicy(const ScrollPolicy hPolicy, - const ScrollPolicy vPolicy) -{ - mHPolicy = hPolicy; - mVPolicy = vPolicy; - checkPolicies(); -} - -void ScrollArea::setVerticalScrollAmount(const int vScroll) -{ - const int max = getVerticalMaxScroll(); - - mVScroll = vScroll; - - if (vScroll > max) - mVScroll = max; - - if (vScroll < 0) - mVScroll = 0; -} - -void ScrollArea::setHorizontalScrollAmount(int hScroll) -{ - const int max = getHorizontalMaxScroll(); - - mHScroll = hScroll; - - if (hScroll > max) - mHScroll = max; - else if (hScroll < 0) - mHScroll = 0; -} - -void ScrollArea::setScrollAmount(const int hScroll, const int vScroll) -{ - setHorizontalScrollAmount(hScroll); - setVerticalScrollAmount(vScroll); -} - -int ScrollArea::getHorizontalMaxScroll() -{ - checkPolicies(); - - const Widget *const content = getContent(); - if (content == nullptr) - return 0; - - const int value = content->getWidth() - getChildrenArea().width + - 2 * content->getFrameSize(); - - if (value < 0) - return 0; - - return value; -} - -int ScrollArea::getVerticalMaxScroll() -{ - checkPolicies(); - - const Widget *const content = getContent(); - if (content == nullptr) - return 0; - - int value; - - value = content->getHeight() - getChildrenArea().height + - 2 * content->getFrameSize(); - - if (value < 0) - return 0; - - return value; -} - -void ScrollArea::setScrollbarWidth(const int width) -{ - if (width > 0) - mScrollbarWidth = width; -} - -void ScrollArea::showWidgetPart(Widget *const widget, const Rect &area) -{ - const Widget *const content = getContent(); - if (widget != content || (content == nullptr)) - return; - - BasicContainer::showWidgetPart(widget, area); - - setHorizontalScrollAmount(content->getFrameSize() - - content->getX()); - setVerticalScrollAmount(content->getFrameSize() - - content->getY()); -} - -Rect ScrollArea::getChildrenArea() -{ - const Rect area = Rect(0, 0, - mVBarVisible ? (getWidth() - mScrollbarWidth) : getWidth(), - mHBarVisible ? (getHeight() - mScrollbarWidth) : getHeight()); - - if (area.width < 0 || area.height < 0) - return Rect(); - - return area; -} - -Widget *ScrollArea::getWidgetAt(int x, int y) -{ - if (getChildrenArea().isPointInRect(x, y)) - return getContent(); - - return nullptr; -} - -void ScrollArea::setWidth(int width) -{ - Widget::setWidth(width); - checkPolicies(); -} - -void ScrollArea::setHeight(int height) -{ - Widget::setHeight(height); - checkPolicies(); -} - -void ScrollArea::setDimension(const Rect& dimension) -{ - Widget::setDimension(dimension); - checkPolicies(); -} - -void ScrollArea::mouseWheelMovedUp(MouseEvent& event) -{ - if (event.isConsumed()) - return; - - setVerticalScrollAmount(mVScroll - - getChildrenArea().height / 8); - - event.consume(); -} - -void ScrollArea::mouseWheelMovedDown(MouseEvent& event) -{ - if (event.isConsumed()) - return; - - setVerticalScrollAmount(mVScroll - + getChildrenArea().height / 8); - - event.consume(); -} - -void ScrollArea::checkPolicies() -{ - const int w = getWidth(); - const int h = getHeight(); - - mHBarVisible = false; - mVBarVisible = false; - - const Widget *const content = getContent(); - if (content == nullptr) - { - mHBarVisible = (mHPolicy == SHOW_ALWAYS); - mVBarVisible = (mVPolicy == SHOW_ALWAYS); - return; - } - - if (mHPolicy == SHOW_AUTO && - mVPolicy == SHOW_AUTO) - { - if (content->getWidth() <= w - && content->getHeight() <= h) - { - mHBarVisible = false; - mVBarVisible = false; - } - - if (content->getWidth() > w) - { - mHBarVisible = true; - } - - if ((content->getHeight() > h) - || (mHBarVisible && content->getHeight() - > h - mScrollbarWidth)) - { - mVBarVisible = true; - } - - if (mVBarVisible && content->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 = (content->getWidth() > w); - } - else // (mVPolicy == SHOW_ALWAYS) - { - mHBarVisible = (content->getWidth() - > w - mScrollbarWidth); - } - break; - - default: - break; - } - - switch (mVPolicy) - { - case SHOW_NEVER: - mVBarVisible = false; - break; - - case SHOW_ALWAYS: - mVBarVisible = true; - break; - - case SHOW_AUTO: - if (mHPolicy == SHOW_NEVER) - { - mVBarVisible = (content->getHeight() > h); - } - else // (mHPolicy == SHOW_ALWAYS) - { - mVBarVisible = (content->getHeight() - > h - mScrollbarWidth); - } - break; - default: - break; - } -} - -bool ScrollArea::isSelectable() const noexcept2 -{ - if (mVBarVisible || mHBarVisible) - return true; - return Widget::isSelectable(); -} |