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-rw-r--r--src/gui/widgets/scrollarea.cpp309
1 files changed, 309 insertions, 0 deletions
diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp
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+/*
+ * The Mana World
+ * Copyright (C) 2004 The Mana World Development Team
+ *
+ * This file is part of The Mana World.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "gui/widgets/scrollarea.h"
+
+#include "configuration.h"
+#include "graphics.h"
+
+#include "resources/image.h"
+#include "resources/resourcemanager.h"
+
+#include "utils/dtor.h"
+
+int ScrollArea::instances = 0;
+float ScrollArea::mAlpha = 1.0;
+ImageRect ScrollArea::background;
+ImageRect ScrollArea::vMarker;
+Image *ScrollArea::buttons[4][2];
+
+ScrollArea::ScrollArea():
+ gcn::ScrollArea(),
+ mOpaque(true)
+{
+ init();
+}
+
+ScrollArea::ScrollArea(gcn::Widget *widget):
+ gcn::ScrollArea(widget),
+ mOpaque(true)
+{
+ init();
+}
+
+ScrollArea::~ScrollArea()
+{
+ // Garbage collection
+ delete getContent();
+
+ instances--;
+
+ if (instances == 0)
+ {
+ for_each(background.grid, background.grid + 9, dtor<Image*>());
+ for_each(vMarker.grid, vMarker.grid + 9, dtor<Image*>());
+
+ 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);
+ background.grid[a]->setAlpha(config.getValue("guialpha", 0.8));
+ 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]);
+ vMarker.grid[a]->setAlpha(config.getValue("guialpha", 0.8));
+ 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()
+{
+ if (!isVisible())
+ return;
+
+ 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)
+ {
+ 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)
+{
+ 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));
+ }
+
+ if (config.getValue("guialpha", 0.8) != mAlpha)
+ {
+ mAlpha = config.getValue("guialpha", 0.8);
+ for (int a = 0; a < 9; a++)
+ {
+ background.grid[a]->setAlpha(mAlpha);
+ vMarker.grid[a]->setAlpha(mAlpha);
+ }
+ }
+
+ drawChildren(graphics);
+}
+
+void ScrollArea::drawFrame(gcn::Graphics *graphics)
+{
+ if (mOpaque)
+ {
+ const int bs = getFrameSize();
+ const int w = getWidth() + bs * 2;
+ const int h = getHeight() + bs * 2;
+
+ static_cast<Graphics*>(graphics)->
+ drawImageRect(0, 0, w, h, background);
+ }
+}
+
+void ScrollArea::setOpaque(bool opaque)
+{
+ mOpaque = opaque;
+ setFrameSize(mOpaque ? 2 : 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*>(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*>(graphics)->
+ drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker);
+}
+
+void ScrollArea::drawHMarker(gcn::Graphics *graphics)
+{
+ gcn::Rectangle dim = getHorizontalMarkerDimension();
+
+ static_cast<Graphics*>(graphics)->
+ drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 00:19:11 +0000