/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011-2012 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/>. */ #include "gui/widgets/window.h" #include "client.h" #include "configuration.h" #include "graphicsvertexes.h" #include "logger.h" #include "gui/gui.h" #include "gui/palette.h" #include "gui/theme.h" #include "gui/viewport.h" #include "gui/widgets/layout.h" #include "gui/widgets/resizegrip.h" #include "gui/widgets/windowcontainer.h" #include "resources/image.h" #include <guichan/exception.hpp> #include <guichan/focushandler.hpp> #include "debug.h" int Window::instances = 0; int Window::mouseResize = 0; Window::Window(const std::string &caption, bool modal, Window *parent, std::string skin): gcn::Window(caption), mGrip(nullptr), mParent(parent), mLayout(nullptr), mWindowName("window"), mShowTitle(true), mModal(modal), mCloseButton(false), mDefaultVisible(false), mSaveVisible(false), mStickyButton(false), mSticky(false), mStickyButtonLock(false), mMinWinWidth(100), mMinWinHeight(40), mMaxWinWidth(mainGraphics->mWidth), mMaxWinHeight(mainGraphics->mHeight), mVertexes(new GraphicsVertexes()), mRedraw(true) { logger->log("Window::Window(\"%s\")", caption.c_str()); if (!windowContainer) throw GCN_EXCEPTION("Window::Window(): no windowContainer set"); instances++; setFrameSize(0); setPadding(3); setTitleBarHeight(20); if (skin == "") skin = "window.xml"; // Loads the skin if (Theme::instance()) { mSkin = Theme::instance()->load(skin); if (mSkin) setPadding(mSkin->getPadding()); } else { mSkin = nullptr; } // Add this window to the window container windowContainer->add(this); if (mModal) { gui->setCursorType(Gui::CURSOR_POINTER); requestModalFocus(); } // Windows are invisible by default setVisible(false); addWidgetListener(this); mCaptionFont = getFont(); setForegroundColor(Theme::getThemeColor(Theme::TEXT)); } Window::~Window() { logger->log("Window::~Window(\"%s\")", getCaption().c_str()); saveWindowState(); delete mLayout; mLayout = nullptr; while (!mWidgets.empty()) delete mWidgets.front(); mWidgets.clear(); removeWidgetListener(this); delete mVertexes; mVertexes = nullptr; instances--; if (mSkin) { if (Theme::instance()) Theme::instance()->unload(mSkin); mSkin = nullptr; } } void Window::setWindowContainer(WindowContainer *wc) { windowContainer = wc; } void Window::draw(gcn::Graphics *graphics) { if (!mSkin) return; Graphics *g = static_cast<Graphics*>(graphics); bool update = false; if (mRedraw) { mRedraw = false; update = true; g->calcWindow(mVertexes, 0, 0, getWidth(), getHeight(), mSkin->getBorder()); } g->drawImageRect2(mVertexes, mSkin->getBorder()); // Draw title if (mShowTitle) { g->setColor(getForegroundColor()); g->setFont(mCaptionFont); g->drawText(getCaption(), 7, 5, gcn::Graphics::LEFT); } // Draw Close Button if (mCloseButton && mSkin->getCloseImage()) { Image *button = mSkin->getCloseImage(); const int x = getWidth() - button->getWidth() - getPadding(); g->drawImage(button, x, getPadding()); } // Draw Sticky Button if (mStickyButton) { Image *button = mSkin->getStickyImage(mSticky); if (button) { int x = getWidth() - button->getWidth() - getPadding(); if (mCloseButton && mSkin->getCloseImage()) x -= mSkin->getCloseImage()->getWidth() + getPadding(); g->drawImage(button, x, getPadding()); } } if (update) { g->setRedraw(update); drawChildren(graphics); g->setRedraw(false); } else { drawChildren(graphics); } } void Window::setContentSize(int width, int height) { width = width + 2 * getPadding(); height = height + getPadding() + getTitleBarHeight(); if (getMinWidth() > width) width = getMinWidth(); else if (getMaxWidth() < width) width = getMaxWidth(); if (getMinHeight() > height) height = getMinHeight(); else if (getMaxHeight() < height) height = getMaxHeight(); setSize(width, height); } void Window::setLocationRelativeTo(gcn::Widget *widget) { if (!widget) return; int wx, wy; int x, y; widget->getAbsolutePosition(wx, wy); getAbsolutePosition(x, y); setPosition(getX() + (wx + (widget->getWidth() - getWidth()) / 2 - x), getY() + (wy + (widget->getHeight() - getHeight()) / 2 - y)); } void Window::setLocationHorisontallyRelativeTo(gcn::Widget *widget) { if (!widget) return; int wx, wy; int x, y; widget->getAbsolutePosition(wx, wy); getAbsolutePosition(x, y); setPosition(getX() + (wx + (widget->getWidth() - getWidth()) / 2 - x), 0); } void Window::setLocationRelativeTo(ImageRect::ImagePosition position, int offsetX, int offsetY) { if (position == ImageRect::UPPER_LEFT) { } else if (position == ImageRect::UPPER_CENTER) { offsetX += (mainGraphics->mWidth - getWidth()) / 2; } else if (position == ImageRect::UPPER_RIGHT) { offsetX += mainGraphics->mWidth - getWidth(); } else if (position == ImageRect::LEFT) { offsetY += (mainGraphics->mHeight - getHeight()) / 2; } else if (position == ImageRect::CENTER) { offsetX += (mainGraphics->mWidth - getWidth()) / 2; offsetY += (mainGraphics->mHeight - getHeight()) / 2; } else if (position == ImageRect::RIGHT) { offsetX += mainGraphics->mWidth - getWidth(); offsetY += (mainGraphics->mHeight - getHeight()) / 2; } else if (position == ImageRect::LOWER_LEFT) { offsetY += mainGraphics->mHeight - getHeight(); } else if (position == ImageRect::LOWER_CENTER) { offsetX += (mainGraphics->mWidth - getWidth()) / 2; offsetY += mainGraphics->mHeight - getHeight(); } else if (position == ImageRect::LOWER_RIGHT) { offsetX += mainGraphics->mWidth - getWidth(); offsetY += mainGraphics->mHeight - getHeight(); } setPosition(offsetX, offsetY); } void Window::setMinWidth(int width) { if (mSkin) { mMinWinWidth = width > mSkin->getMinWidth() ? width : mSkin->getMinWidth(); } else { mMinWinWidth = width; } } void Window::setMinHeight(int height) { if (mSkin) { mMinWinHeight = height > mSkin->getMinHeight() ? height : mSkin->getMinHeight(); } else { mMinWinHeight = height; } } void Window::setMaxWidth(int width) { mMaxWinWidth = width; } void Window::setMaxHeight(int height) { mMaxWinHeight = height; } void Window::setResizable(bool r) { if (static_cast<bool>(mGrip) == r) return; if (r) { mGrip = new ResizeGrip; mGrip->setX(getWidth() - mGrip->getWidth() - getChildrenArea().x); mGrip->setY(getHeight() - mGrip->getHeight() - getChildrenArea().y); add(mGrip); } else { remove(mGrip); delete mGrip; mGrip = nullptr; } } void Window::widgetResized(const gcn::Event &event A_UNUSED) { const gcn::Rectangle area = getChildrenArea(); if (mGrip) { mGrip->setPosition(getWidth() - mGrip->getWidth() - area.x, getHeight() - mGrip->getHeight() - area.y); } if (mLayout) { int w = area.width; int h = area.height; mLayout->reflow(w, h); } mRedraw = true; } void Window::widgetMoved(const gcn::Event& event A_UNUSED) { mRedraw = true; } void Window::widgetHidden(const gcn::Event &event A_UNUSED) { if (gui) gui->setCursorType(Gui::CURSOR_POINTER); if (!mFocusHandler) return; for (WidgetListConstIterator it = mWidgets.begin(); it != mWidgets.end(); ++ it) { if (mFocusHandler->isFocused(*it)) mFocusHandler->focusNone(); } } void Window::setCloseButton(bool flag) { mCloseButton = flag; } bool Window::isResizable() const { return mGrip; } void Window::setStickyButton(bool flag) { mStickyButton = flag; } void Window::setSticky(bool sticky) { mSticky = sticky; } void Window::setStickyButtonLock(bool lock) { mStickyButtonLock = lock; mStickyButton = lock; // mMovable = false; } void Window::setVisible(bool visible) { setVisible(visible, false); } void Window::setVisible(bool visible, bool forceSticky) { if (visible == isVisible()) return; // Nothing to do // Check if the window is off screen... if (visible) ensureOnScreen(); if (isStickyButtonLock()) gcn::Window::setVisible(visible); else gcn::Window::setVisible((!forceSticky && isSticky()) || visible); } void Window::scheduleDelete() { windowContainer->scheduleDelete(this); } void Window::mousePressed(gcn::MouseEvent &event) { // Let Guichan move window to top and figure out title bar drag gcn::Window::mousePressed(event); if (event.getButton() == gcn::MouseEvent::LEFT) { const int x = event.getX(); const int y = event.getY(); // Handle close button if (mCloseButton && mSkin) { Image *img = mSkin->getCloseImage(); if (img) { gcn::Rectangle closeButtonRect( getWidth() - img->getWidth() - getPadding(), getPadding(), img->getWidth(), img->getHeight()); if (closeButtonRect.isPointInRect(x, y)) { mouseResize = 0; mMoved = 0; close(); return; } } } // Handle sticky button if (mStickyButton && mSkin) { Image *button = mSkin->getStickyImage(mSticky); if (button) { int rx = getWidth() - button->getWidth() - getPadding(); if (mCloseButton) { Image *img = mSkin->getCloseImage(); if (img) rx -= img->getWidth(); } gcn::Rectangle stickyButtonRect(rx, getPadding(), button->getWidth(), button->getHeight()); if (stickyButtonRect.isPointInRect(x, y)) { setSticky(!isSticky()); mouseResize = 0; mMoved = 0; return; } } } // Handle window resizing mouseResize = getResizeHandles(event); if (canMove()) mMoved = !mouseResize; else mMoved = false; } } void Window::close() { setVisible(false); } void Window::mouseReleased(gcn::MouseEvent &event A_UNUSED) { if (mGrip && mouseResize) { mouseResize = 0; if (gui) gui->setCursorType(Gui::CURSOR_POINTER); } // This should be the responsibility of Guichan (and is from 0.8.0 on) mMoved = false; } void Window::mouseExited(gcn::MouseEvent &event A_UNUSED) { if (mGrip && !mouseResize && gui) gui->setCursorType(Gui::CURSOR_POINTER); } void Window::mouseMoved(gcn::MouseEvent &event) { if (!gui) return; int resizeHandles = getResizeHandles(event); // Changes the custom mouse cursor based on it's current position. switch (resizeHandles) { case BOTTOM | RIGHT: case TOP | LEFT: gui->setCursorType(Gui::CURSOR_RESIZE_DOWN_RIGHT); break; case TOP | RIGHT: case BOTTOM | LEFT: gui->setCursorType(Gui::CURSOR_RESIZE_DOWN_LEFT); break; case BOTTOM: case TOP: gui->setCursorType(Gui::CURSOR_RESIZE_DOWN); break; case RIGHT: case LEFT: gui->setCursorType(Gui::CURSOR_RESIZE_ACROSS); break; default: gui->setCursorType(Gui::CURSOR_POINTER); } if (viewport) viewport->hideBeingPopup(); } bool Window::canMove() { return !mStickyButtonLock || !mSticky; } void Window::mouseDragged(gcn::MouseEvent &event) { if (canMove()) { // Let Guichan handle title bar drag gcn::Window::mouseDragged(event); } else { if (!event.isConsumed() && event.getSource() == this) event.consume(); return; } // Keep guichan window inside screen when it may be moved if (isMovable() && mMoved) { int newX = std::max(0, getX()); int newY = std::max(0, getY()); newX = std::min(mainGraphics->mWidth - getWidth(), newX); newY = std::min(mainGraphics->mHeight - getHeight(), newY); setPosition(newX, newY); } if (mouseResize && !mMoved) { const int dx = event.getX() - mDragOffsetX; const int dy = event.getY() - mDragOffsetY; gcn::Rectangle newDim = getDimension(); if (mouseResize & (TOP | BOTTOM)) { int newHeight = newDim.height + ((mouseResize & TOP) ? -dy : dy); newDim.height = std::min(mMaxWinHeight, std::max(mMinWinHeight, newHeight)); if (mouseResize & TOP) newDim.y -= newDim.height - getHeight(); } if (mouseResize & (LEFT | RIGHT)) { int newWidth = newDim.width + ((mouseResize & LEFT) ? -dx : dx); newDim.width = std::min(mMaxWinWidth, std::max(mMinWinWidth, newWidth)); if (mouseResize & LEFT) newDim.x -= newDim.width - getWidth(); } // Keep guichan window inside screen (supports resizing any side) if (newDim.x < 0) { newDim.width += newDim.x; newDim.x = 0; } if (newDim.y < 0) { newDim.height += newDim.y; newDim.y = 0; } if (newDim.x + newDim.width > mainGraphics->mWidth) newDim.width = mainGraphics->mWidth - newDim.x; if (newDim.y + newDim.height > mainGraphics->mHeight) newDim.height = mainGraphics->mHeight - newDim.y; // Update mouse offset when dragging bottom or right border if (mouseResize & BOTTOM) mDragOffsetY += newDim.height - getHeight(); if (mouseResize & RIGHT) mDragOffsetX += newDim.width - getWidth(); // Set the new window and content dimensions setDimension(newDim); } } void Window::setModal(bool modal) { if (mModal != modal) { mModal = modal; if (mModal) { if (gui) gui->setCursorType(Gui::CURSOR_POINTER); requestModalFocus(); } else { releaseModalFocus(); } } } void Window::loadWindowState() { const std::string &name = mWindowName; if (name.empty()) return; setPosition(config.getValueInt(name + "WinX", mDefaultX), config.getValueInt(name + "WinY", mDefaultY)); if (mSaveVisible) { setVisible(config.getValueBool(name + "Visible", mDefaultVisible)); } if (mStickyButton) { setSticky(config.getValueBool(name + "Sticky", isSticky())); } if (mGrip) { int width = config.getValueInt(name + "WinWidth", mDefaultWidth); int height = config.getValueInt(name + "WinHeight", mDefaultHeight); if (getMinWidth() > width) width = getMinWidth(); else if (getMaxWidth() < width) width = getMaxWidth(); if (getMinHeight() > height) height = getMinHeight(); else if (getMaxHeight() < height) height = getMaxHeight(); setSize(width, height); } else { setSize(mDefaultWidth, mDefaultHeight); } // Check if the window is off screen... ensureOnScreen(); if (viewport) { int width = getWidth(); int height = getHeight(); if (getX() + width > viewport->getWidth()) width = viewport->getWidth() - getX(); if (getY() + height > viewport->getHeight()) height = viewport->getHeight() - getY(); if (width < 0) width = 0; if (height < 0) height = 0; setSize(width, height); } } void Window::saveWindowState() { // Saving X, Y and Width and Height for resizables in the config if (!mWindowName.empty() && mWindowName != "window") { config.setValue(mWindowName + "WinX", getX()); config.setValue(mWindowName + "WinY", getY()); if (mSaveVisible) config.setValue(mWindowName + "Visible", isVisible()); if (mStickyButton) config.setValue(mWindowName + "Sticky", isSticky()); if (mGrip) { if (getMinWidth() > getWidth()) setWidth(getMinWidth()); else if (getMaxWidth() < getWidth()) setWidth(getMaxWidth()); if (getMinHeight() > getHeight()) setHeight(getMinHeight()); else if (getMaxHeight() < getHeight()) setHeight(getMaxHeight()); config.setValue(mWindowName + "WinWidth", getWidth()); config.setValue(mWindowName + "WinHeight", getHeight()); } } } void Window::setDefaultSize(int defaultX, int defaultY, int defaultWidth, int defaultHeight) { if (getMinWidth() > defaultWidth) defaultWidth = getMinWidth(); else if (getMaxWidth() < defaultWidth) defaultWidth = getMaxWidth(); if (getMinHeight() > defaultHeight) defaultHeight = getMinHeight(); else if (getMaxHeight() < defaultHeight) defaultHeight = getMaxHeight(); mDefaultX = defaultX; mDefaultY = defaultY; mDefaultWidth = defaultWidth; mDefaultHeight = defaultHeight; } void Window::setDefaultSize() { mDefaultX = getX(); mDefaultY = getY(); mDefaultWidth = getWidth(); mDefaultHeight = getHeight(); } void Window::setDefaultSize(int defaultWidth, int defaultHeight, ImageRect::ImagePosition position, int offsetX, int offsetY) { int x = 0, y = 0; if (position == ImageRect::UPPER_LEFT) { } else if (position == ImageRect::UPPER_CENTER) { x = (mainGraphics->mWidth - defaultWidth) / 2; } else if (position == ImageRect::UPPER_RIGHT) { x = mainGraphics->mWidth - defaultWidth; } else if (position == ImageRect::LEFT) { y = (mainGraphics->mHeight - defaultHeight) / 2; } else if (position == ImageRect::CENTER) { x = (mainGraphics->mWidth - defaultWidth) / 2; y = (mainGraphics->mHeight - defaultHeight) / 2; } else if (position == ImageRect::RIGHT) { x = mainGraphics->mWidth - defaultWidth; y = (mainGraphics->mHeight - defaultHeight) / 2; } else if (position == ImageRect::LOWER_LEFT) { y = mainGraphics->mHeight - defaultHeight; } else if (position == ImageRect::LOWER_CENTER) { x = (mainGraphics->mWidth - defaultWidth) / 2; y = mainGraphics->mHeight - defaultHeight; } else if (position == ImageRect::LOWER_RIGHT) { x = mainGraphics->mWidth - defaultWidth; y = mainGraphics->mHeight - defaultHeight; } mDefaultX = x - offsetX; mDefaultY = y - offsetY; mDefaultWidth = defaultWidth; mDefaultHeight = defaultHeight; } void Window::resetToDefaultSize() { setPosition(mDefaultX, mDefaultY); setSize(mDefaultWidth, mDefaultHeight); saveWindowState(); } void Window::adjustPositionAfterResize(int oldScreenWidth, int oldScreenHeight) { gcn::Rectangle dimension = getDimension(); // If window was aligned to the right or bottom, keep it there const int rightMargin = oldScreenWidth - (getX() + getWidth()); const int bottomMargin = oldScreenHeight - (getY() + getHeight()); if (getX() > 0 && getX() > rightMargin) dimension.x = mainGraphics->mWidth - rightMargin - getWidth(); if (getY() > 0 && getY() > bottomMargin) dimension.y = mainGraphics->mHeight - bottomMargin - getHeight(); setDimension(dimension); ensureOnScreen(); } int Window::getResizeHandles(gcn::MouseEvent &event) { if ((mStickyButtonLock && mSticky) || event.getX() < 0 || event.getY() < 0) return 0; int resizeHandles = 0; const unsigned y = event.getY(); if (mGrip && (y > mTitleBarHeight || (y < getPadding() && mTitleBarHeight > getPadding()))) { const unsigned x = event.getX(); if (!getWindowArea().isPointInRect(x, y) && event.getSource() == this) { resizeHandles |= (x > getWidth() - resizeBorderWidth) ? RIGHT : (x < resizeBorderWidth) ? LEFT : 0; resizeHandles |= (y > getHeight() - resizeBorderWidth) ? BOTTOM : (y < resizeBorderWidth) ? TOP : 0; } if (event.getSource() == mGrip) { mDragOffsetX = x; mDragOffsetY = y; resizeHandles |= BOTTOM | RIGHT; } } return resizeHandles; } bool Window::isResizeAllowed(gcn::MouseEvent &event) { const int y = event.getY(); if (mGrip && (y > static_cast<int>(mTitleBarHeight) || y < static_cast<int>(getPadding()))) { const int x = event.getX(); if (!getWindowArea().isPointInRect(x, y) && event.getSource() == this) return true; if (event.getSource() == mGrip) return true; } return false; } int Window::getGuiAlpha() { float alpha = std::max(Client::getGuiAlpha(), Theme::instance()->getMinimumOpacity()); return static_cast<int>(alpha * 255.0f); } Layout &Window::getLayout() { if (!mLayout) mLayout = new Layout; return *mLayout; } void Window::clearLayout() { clear(); // Restore the resize grip if (mGrip) add(mGrip); // Recreate layout instance when one is present if (mLayout) { delete mLayout; mLayout = new Layout; } } LayoutCell &Window::place(int x, int y, gcn::Widget *wg, int w, int h) { add(wg); return getLayout().place(wg, x, y, w, h); } ContainerPlacer Window::getPlacer(int x, int y) { return ContainerPlacer(this, &getLayout().at(x, y)); } void Window::reflowLayout(int w, int h) { if (!mLayout) return; mLayout->reflow(w, h); delete mLayout; mLayout = nullptr; setContentSize(w, h); } void Window::redraw() { if (mLayout) { const gcn::Rectangle area = getChildrenArea(); int w = area.width; int h = area.height; mLayout->reflow(w, h); } } void Window::center() { setLocationRelativeTo(getParent()); } void Window::centerHorisontally() { setLocationHorisontallyRelativeTo(getParent()); } void Window::ensureOnScreen() { // Skip when a window hasn't got any size initialized yet if (getWidth() == 0 && getHeight() == 0) return; gcn::Rectangle dimension = getDimension(); // Check the left and bottom screen boundaries if (dimension.x + dimension.width > mainGraphics->mWidth) dimension.x = mainGraphics->mWidth - dimension.width; if (dimension.y + dimension.height > mainGraphics->mHeight) dimension.y = mainGraphics->mHeight - dimension.height; // But never allow the windows to disappear in to the right and top if (dimension.x < 0) dimension.x = 0; if (dimension.y < 0) dimension.y = 0; setDimension(dimension); } gcn::Rectangle Window::getWindowArea() { return gcn::Rectangle(getPadding(), getPadding(), getWidth() - getPadding() * 2, getHeight() - getPadding() * 2); }