/* * The Mana World * Copyright 2004 The Mana World Development Team * * This file is part of The Mana World. * * The Mana World 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. * * The Mana World 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 The Mana World; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * $Id$ */ #include #include "scrollarea.h" #include "../graphics.h" #include "../resources/image.h" #include "../resources/resourcemanager.h" #include "../utils/dtor.h" int ScrollArea::instances = 0; ImageRect ScrollArea::background; ImageRect ScrollArea::vMarker; Image *ScrollArea::buttons[4][2]; ScrollArea::ScrollArea(bool gc): gcn::ScrollArea(), mGC(gc) { init(); } ScrollArea::ScrollArea(gcn::Widget *widget, bool gc): gcn::ScrollArea(widget), mGC(gc) { init(); } ScrollArea::~ScrollArea() { // Garbage collection if (mGC) { delete getContent(); } instances--; if (instances == 0) { for_each(background.grid, background.grid + 9, dtor()); for_each(vMarker.grid, vMarker.grid + 9, dtor()); buttons[UP][0]->decRef(); buttons[UP][1]->decRef(); buttons[DOWN][0]->decRef(); buttons[DOWN][1]->decRef(); buttons[LEFT][0]->decRef(); buttons[LEFT][1]->decRef(); buttons[RIGHT][0]->decRef(); buttons[RIGHT][1]->decRef(); } } void ScrollArea::init() { // Draw background by default setOpaque(true); if (instances == 0) { // Load the background skin ResourceManager *resman = ResourceManager::getInstance(); Image *textbox = resman->getImage("graphics/gui/deepbox.png"); const int bggridx[4] = {0, 3, 28, 31}; const int bggridy[4] = {0, 3, 28, 31}; int a = 0, x, y; for (y = 0; y < 3; y++) { for (x = 0; x < 3; x++) { background.grid[a] = textbox->getSubImage( bggridx[x], bggridy[y], bggridx[x + 1] - bggridx[x] + 1, bggridy[y + 1] - bggridy[y] + 1); a++; } } textbox->decRef(); // Load vertical scrollbar skin Image *vscroll = resman->getImage("graphics/gui/vscroll_grey.png"); int vsgridx[4] = {0, 4, 7, 11}; int vsgridy[4] = {0, 4, 15, 19}; a = 0; for (y = 0; y < 3; y++) { for (x = 0; x < 3; x++) { vMarker.grid[a] = vscroll->getSubImage( vsgridx[x], vsgridy[y], vsgridx[x + 1] - vsgridx[x], vsgridy[y + 1] - vsgridy[y]); a++; } } vscroll->decRef(); buttons[UP][0] = resman->getImage("graphics/gui/vscroll_up_default.png"); buttons[DOWN][0] = resman->getImage("graphics/gui/vscroll_down_default.png"); buttons[LEFT][0] = resman->getImage("graphics/gui/hscroll_left_default.png"); buttons[RIGHT][0] = resman->getImage("graphics/gui/hscroll_right_default.png"); buttons[UP][1] = resman->getImage("graphics/gui/vscroll_up_pressed.png"); buttons[DOWN][1] = resman->getImage("graphics/gui/vscroll_down_pressed.png"); buttons[LEFT][1] = resman->getImage("graphics/gui/hscroll_left_pressed.png"); buttons[RIGHT][1] = resman->getImage("graphics/gui/hscroll_right_pressed.png"); } instances++; } void ScrollArea::logic() { gcn::ScrollArea::logic(); gcn::Widget *content = getContent(); // When no scrollbar in a certain direction, adapt content size to match // the content dimension exactly. if (content != NULL) { if (getHorizontalScrollPolicy() == gcn::ScrollArea::SHOW_NEVER) { content->setWidth(getChildrenArea().width - 2 * content->getFrameSize()); } if (getVerticalScrollPolicy() == gcn::ScrollArea::SHOW_NEVER) { content->setHeight(getChildrenArea().height - 2 * content->getFrameSize()); } } } void ScrollArea::draw(gcn::Graphics *graphics) { checkPolicies(); int alpha = getBaseColor().a; gcn::Color highlightColor = getBaseColor() + 0x303030; highlightColor.a = alpha; gcn::Color shadowColor = getBaseColor() - 0x303030; shadowColor.a = alpha; 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(gcn::Rectangle(getWidth() - mScrollbarWidth, getHeight() - mScrollbarWidth, mScrollbarWidth, mScrollbarWidth)); } gcn::Widget *content = getContent(); if (content != NULL) { graphics->pushClipArea(getChildrenArea()); if (content->getFrameSize() > 0) { gcn::Rectangle rec = content->getDimension(); rec.x -= content->getFrameSize(); rec.y -= content->getFrameSize(); rec.width += 2 * content->getFrameSize(); rec.height += 2 * content->getFrameSize(); graphics->pushClipArea(rec); content->drawFrame(graphics); graphics->popClipArea(); } graphics->pushClipArea(content->getDimension()); content->draw(graphics); graphics->popClipArea(); graphics->popClipArea(); } } void ScrollArea::drawFrame(gcn::Graphics *graphics) { int bs = getFrameSize(); int w = getWidth() + bs * 2; int h = getHeight() + bs * 2; if (mOpaque) { static_cast(graphics)-> drawImageRect(0, 0, w, h, background); } } void ScrollArea::setOpaque(bool opaque) { mOpaque = opaque; if (mOpaque) { setFrameSize(2); } else { setFrameSize(0); } } void ScrollArea::drawButton(gcn::Graphics *graphics, BUTTON_DIR dir) { int state = 0; gcn::Rectangle dim; 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; } static_cast(graphics)-> drawImage(buttons[dir][state], dim.x, dim.y); } void ScrollArea::drawUpButton(gcn::Graphics *graphics) { drawButton(graphics, UP); } void ScrollArea::drawDownButton(gcn::Graphics *graphics) { drawButton(graphics, DOWN); } void ScrollArea::drawLeftButton(gcn::Graphics *graphics) { drawButton(graphics, LEFT); } void ScrollArea::drawRightButton(gcn::Graphics *graphics) { drawButton(graphics, RIGHT); } void ScrollArea::drawVBar(gcn::Graphics *graphics) { gcn::Rectangle dim = getVerticalBarDimension(); graphics->setColor(gcn::Color(0, 0, 0, 32)); graphics->fillRectangle(dim); graphics->setColor(gcn::Color(255, 255, 255)); } void ScrollArea::drawHBar(gcn::Graphics *graphics) { gcn::Rectangle dim = getHorizontalBarDimension(); graphics->setColor(gcn::Color(0, 0, 0, 32)); graphics->fillRectangle(dim); graphics->setColor(gcn::Color(255, 255, 255)); } void ScrollArea::drawVMarker(gcn::Graphics *graphics) { gcn::Rectangle dim = getVerticalMarkerDimension(); static_cast(graphics)-> drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker); } void ScrollArea::drawHMarker(gcn::Graphics *graphics) { gcn::Rectangle dim = getHorizontalMarkerDimension(); static_cast(graphics)-> drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker); }