Java tutorial
/* * LumaQQ - Java QQ Client * * Copyright (C) 2004 luma <stubma@163.com> * * 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 * (at your option) 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 */ package com.joeysoft.kc868.ui; import java.util.ArrayList; import java.util.List; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseAdapter; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseListener; import org.eclipse.swt.events.MouseMoveListener; import org.eclipse.swt.events.MouseTrackAdapter; import org.eclipse.swt.events.PaintEvent; import org.eclipse.swt.events.PaintListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import com.joeysoft.kc868.KC868; import com.joeysoft.kc868.resource.IconHolder; /** * ?? * * @author joey */ public class BorderStyler implements IBorderControlProvider { private IconHolder icons; private Display display; private Composite center; private MainShell main; private int downX, downY; private boolean isMove; private boolean hideWhenMinimize; private boolean resizable; private boolean showMaxButton; private boolean showButton; private boolean checkMinimizeWhenClose; private boolean maximizeWhenDoubleClick; public static final String STYLER = "styler"; private Label top; private Label left; private Label right; private Label bottom; private Shell shell; private List<MouseListener> mouseListeners; private Composite topDown; private Rectangle oldBound; private Label lblMax; private int minWidth, minHeight; /** * * * @param main */ public BorderStyler(MainShell main) { this.main = main; display = main.getDisplay(); initializeVariables(); } /** * */ public BorderStyler() { display = Display.getCurrent(); initializeVariables(); } /** * ??? */ protected void initializeVariables() { icons = IconHolder.getInstance(); hideWhenMinimize = true; resizable = false; showMaxButton = false; showButton = true; checkMinimizeWhenClose = false; maximizeWhenDoubleClick = true; minWidth = minHeight = 100; } public void addMouseListener(MouseListener ml) { if (mouseListeners == null) mouseListeners = new ArrayList<MouseListener>(); mouseListeners.add(ml); } /** * ?? */ public void repaintTitleBar() { topDown.redraw(); } /** * ?????? * * @param bound */ private void setShellBound(Rectangle bound) { bound.width = Math.max(minWidth, bound.width); bound.height = Math.max(minHeight, bound.height); shell.setBounds(bound); } /** * ????? * * @param size */ private void setShellSize(Point size) { size.x = Math.max(minWidth, size.x); size.y = Math.max(minHeight, size.y); shell.setSize(size); } /** * shell * * @param shell * @return * */ public Composite decorateShell(Shell s) { shell = s; shell.setData(STYLER, this); // layout GridLayout layout = new GridLayout(3, false); layout.marginHeight = layout.marginWidth = layout.verticalSpacing = layout.horizontalSpacing = 0; shell.setLayout(layout); Composite leftTop = new Composite(shell, SWT.NONE | SWT.NO_BACKGROUND); if (resizable) leftTop.setCursor(display.getSystemCursor(SWT.CURSOR_SIZENWSE)); GridData gd = new GridData(); gd.widthHint = gd.heightHint = 5; leftTop.setLayoutData(gd); leftTop.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(i, i, bound.width, i); e.gc.drawLine(i, i, i, bound.height); i++; } } }); if (resizable) { leftTop.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); downX = loc.x; downY = loc.y; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); int dx = downX - loc.x; int dy = downY - loc.y; if (dx == 0 && dy == 0) return; Rectangle bound = shell.getBounds(); bound.x -= dx; bound.y -= dy; bound.width += dx; bound.height += dy; setShellBound(bound); } }); } top = new Label(shell, SWT.LEFT); if (resizable) top.setCursor(display.getSystemCursor(SWT.CURSOR_SIZENS)); gd = new GridData(GridData.FILL_HORIZONTAL); gd.heightHint = 5; top.setLayoutData(gd); top.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(0, i, bound.width, i); i++; } } }); if (resizable) { top.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); downY = control.toDisplay(e.x, e.y).y; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); int newY = control.toDisplay(e.x, e.y).y; int dy = downY - newY; if (dy == 0) return; Rectangle bound = shell.getBounds(); bound.y -= dy; bound.height += dy; setShellBound(bound); } }); } Composite rightTop = new Composite(shell, SWT.NONE | SWT.NO_BACKGROUND); if (resizable) rightTop.setCursor(display.getSystemCursor(SWT.CURSOR_SIZENESW)); gd = new GridData(); gd.widthHint = gd.heightHint = 5; rightTop.setLayoutData(gd); rightTop.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(bound.width - i - 1, i, 0, i); e.gc.drawLine(bound.width - i - 1, i, bound.width - i - 1, bound.height); i++; } } }); if (resizable) { rightTop.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); downX = loc.x; downY = loc.y; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); int dx = loc.x - downX; int dy = downY - loc.y; if (dx == 0 && dy == 0) return; Rectangle bound = shell.getBounds(); bound.y -= dy; bound.width += dx; bound.height += dy; setShellBound(bound); } }); } left = new Label(shell, SWT.LEFT); gd = new GridData(GridData.FILL_VERTICAL); gd.widthHint = 5; gd.verticalSpan = 2; left.setLayoutData(gd); if (resizable) left.setCursor(display.getSystemCursor(SWT.CURSOR_SIZEWE)); left.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(i, 0, i, bound.height); i++; } } }); if (resizable) { left.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); downX = control.toDisplay(e.x, e.y).x; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); int newX = control.toDisplay(e.x, e.y).x; int dx = downX - newX; if (dx == 0) return; Rectangle bound = shell.getBounds(); bound.x -= dx; bound.width += dx; setShellBound(bound); } }); } topDown = new Composite(shell, SWT.LEFT); gd = new GridData(GridData.FILL_HORIZONTAL); gd.heightHint = 23; topDown.setLayoutData(gd); topDown.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); e.gc.setForeground(Colors.MAINSHELL_TITLE_TOP); e.gc.setBackground(Colors.MAINSHELL_TITLE_BOTTOM); e.gc.fillGradientRectangle(0, 0, bound.width, bound.height, true); e.gc.setForeground(Colors.MAINSHELL_TITLE_SEPARATOR_TOP); e.gc.drawLine(2, 19, bound.width - 2, 19); e.gc.setForeground(Colors.MAINSHELL_TITLE_SEPARATOR_BOTTOM); e.gc.drawLine(2, 20, bound.width - 2, 20); Image image = shell.getImage(); Rectangle imgBound = (image == null) ? new Rectangle(0, 0, 16, 16) : image.getBounds(); if (image != null) { e.gc.drawImage(image, 2, (18 - imgBound.height) >> 1); } String text = shell.getText(); if (text != null) { String name = JFaceResources.getDefaultFont().getFontData()[0].getName(); e.gc.setForeground(Colors.WHITE); e.gc.setFont(JFaceResources.getFontRegistry().getBold(name)); Point extent = e.gc.textExtent(text); e.gc.drawString(text, imgBound.width + 7, (18 - extent.y) >> 1, true); } } }); topDown.setLayout(new FormLayout()); topDown.addMouseListener(new MouseListener() { public void mouseDown(MouseEvent e) { downX = e.x; downY = e.y; isMove = true; fireMouseDownEvent(e); } public void mouseUp(MouseEvent e) { isMove = false; fireMouseUpEvent(e); } public void mouseDoubleClick(MouseEvent e) { if (maximizeWhenDoubleClick && showMaxButton) doMaximize(); } }); topDown.addMouseMoveListener(new MouseMoveListener() { public void mouseMove(MouseEvent e) { if (isMove) { Point loc = shell.getLocation(); int x = loc.x + e.x - downX; int y = loc.y + e.y - downY; shell.setLocation(x, y); } } }); Label referenceLabel = null; // if (showButton) { Label lblClose = new Label(topDown, SWT.CENTER); lblClose.setImage(icons.getImage(IconHolder.bmpCloseNormal)); FormData fd = new FormData(); fd.top = new FormAttachment(0, 0); fd.bottom = new FormAttachment(0, 16); fd.right = new FormAttachment(100, -2); fd.left = new FormAttachment(100, -19); lblClose.setLayoutData(fd); lblClose.addMouseTrackListener(new MouseTrackAdapter() { @Override public void mouseEnter(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpCloseHover)); } @Override public void mouseExit(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpCloseNormal)); } }); lblClose.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpCloseDown)); } @Override public void mouseUp(MouseEvent e) { if (checkMinimizeWhenClose && main != null) { shell.close(); } else shell.close(); } }); referenceLabel = lblClose; } // if (showMaxButton) { lblMax = new Label(topDown, SWT.CENTER); lblMax.setImage(icons.getImage(IconHolder.bmpMaxNormal)); FormData fd = new FormData(); fd.top = new FormAttachment(0, 0); fd.bottom = new FormAttachment(0, 16); fd.right = new FormAttachment(referenceLabel, 0, SWT.LEFT); fd.left = new FormAttachment(referenceLabel, -17, SWT.LEFT); lblMax.setLayoutData(fd); lblMax.addMouseTrackListener(new MouseTrackAdapter() { @Override public void mouseEnter(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(shell.getMaximized() ? icons.getImage(IconHolder.bmpRestoreHover) : icons.getImage(IconHolder.bmpMaxHover)); } @Override public void mouseExit(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(shell.getMaximized() ? icons.getImage(IconHolder.bmpRestoreNormal) : icons.getImage(IconHolder.bmpMaxNormal)); } }); lblMax.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(shell.getMaximized() ? icons.getImage(IconHolder.bmpRestoreDown) : icons.getImage(IconHolder.bmpMaxDown)); } @Override public void mouseUp(MouseEvent e) { doMaximize(); } }); referenceLabel = lblMax; } if (showButton) { // ? Label lblMin = new Label(topDown, SWT.CENTER); lblMin.setImage(icons.getImage(IconHolder.bmpMinNormal)); FormData fd = new FormData(); fd.top = new FormAttachment(0, 0); fd.bottom = new FormAttachment(0, 16); fd.right = new FormAttachment(referenceLabel, 0, SWT.LEFT); fd.left = new FormAttachment(referenceLabel, -16, SWT.LEFT); lblMin.setLayoutData(fd); lblMin.addMouseTrackListener(new MouseTrackAdapter() { @Override public void mouseEnter(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpMinHover)); } @Override public void mouseExit(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpMinNormal)); } }); lblMin.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpMinDown)); } @Override public void mouseUp(MouseEvent e) { Label lbl = (Label) e.getSource(); lbl.setImage(icons.getImage(IconHolder.bmpMinHover)); shell.setMinimized(true); if (hideWhenMinimize) shell.setVisible(false); } }); } right = new Label(shell, SWT.LEFT); gd = new GridData(GridData.FILL_VERTICAL); gd.widthHint = 5; gd.verticalSpan = 2; right.setLayoutData(gd); if (resizable) right.setCursor(display.getSystemCursor(SWT.CURSOR_SIZEWE)); right.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 4; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(i, 0, i, bound.height); i--; } } }); if (resizable) { right.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); downX = control.toDisplay(e.x, e.y).x; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); int newX = control.toDisplay(e.x, e.y).x; int dx = newX - downX; if (dx == 0) return; Point size = shell.getSize(); size.x += dx; setShellSize(size); } }); } center = new Composite(shell, SWT.NONE); center.setLayoutData(new GridData(GridData.FILL_BOTH)); //layout = new GridLayout(); //layout.marginHeight = layout.marginWidth = layout.horizontalSpacing = layout.verticalSpacing = 0; //center.setLayout(layout); Composite leftBottom = new Composite(shell, SWT.NONE | SWT.NO_BACKGROUND); if (resizable) leftBottom.setCursor(display.getSystemCursor(SWT.CURSOR_SIZENESW)); gd = new GridData(); gd.widthHint = gd.heightHint = 5; leftBottom.setLayoutData(gd); leftBottom.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(i, bound.height - i - 1, i, 0); e.gc.drawLine(i, bound.height - i - 1, bound.width, bound.height - i - 1); i++; } } }); if (resizable) { leftBottom.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); downX = loc.x; downY = loc.y; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); int dx = downX - loc.x; int dy = loc.y - downY; if (dx == 0 && dy == 0) return; Rectangle bound = shell.getBounds(); bound.x -= dx; bound.width += dx; bound.height += dy; setShellBound(bound); } }); } bottom = new Label(shell, SWT.LEFT); if (resizable) bottom.setCursor(display.getSystemCursor(SWT.CURSOR_SIZENS)); gd = new GridData(GridData.FILL_HORIZONTAL); gd.heightHint = 5; bottom.setLayoutData(gd); bottom.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(0, 5 - i - 1, bound.width, 5 - i - 1); i++; } } }); if (resizable) { bottom.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); downY = control.toDisplay(e.x, e.y).y; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); int newY = control.toDisplay(e.x, e.y).y; int dy = newY - downY; if (dy == 0) return; Point size = shell.getSize(); size.y += dy; setShellSize(size); } }); } Composite rightBottom = new Composite(shell, SWT.NONE | SWT.NO_BACKGROUND); if (resizable) rightBottom.setCursor(display.getSystemCursor(SWT.CURSOR_SIZENWSE)); gd = new GridData(); gd.widthHint = gd.heightHint = 5; rightBottom.setLayoutData(gd); rightBottom.addPaintListener(new PaintListener() { public void paintControl(PaintEvent e) { Rectangle bound = ((Control) e.getSource()).getBounds(); int i = 0; for (Color c : Colors.MAINSHELL_BORDERS) { e.gc.setForeground(c); e.gc.drawLine(bound.width - i - 1, bound.height - i - 1, bound.width - i - 1, 0); e.gc.drawLine(bound.width - i - 1, bound.height - i - 1, 0, bound.height - i - 1); i++; } } }); if (resizable) { rightBottom.addMouseListener(new MouseAdapter() { @Override public void mouseDown(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); downX = loc.x; downY = loc.y; } @Override public void mouseUp(MouseEvent e) { Control control = (Control) e.getSource(); Point loc = control.toDisplay(e.x, e.y); int dx = loc.x - downX; int dy = loc.y - downY; if (dx == 0 && dy == 0) return; Point size = shell.getSize(); size.x += dx; size.y += dy; setShellSize(size); } }); } return center; } /** * */ protected void doMaximize() { // ??linux?setMaximizennd // setBounds??setLocation if (KC868.IS_GTK) { if (shell.getMaximized()) { shell.setBounds(oldBound); shell.setLocation(oldBound.x, oldBound.y); shell.setMaximized(false); } else { oldBound = shell.getBounds(); shell.setBounds(display.getClientArea()); shell.setMaximized(true); } } else shell.setMaximized(!shell.getMaximized()); lblMax.setImage(shell.getMaximized() ? icons.getImage(IconHolder.bmpRestoreHover) : icons.getImage(IconHolder.bmpMaxHover)); } protected void fireMouseUpEvent(MouseEvent e) { if (mouseListeners == null) return; for (MouseListener ml : mouseListeners) ml.mouseUp(e); } protected void fireMouseDownEvent(MouseEvent e) { if (mouseListeners == null) return; for (MouseListener ml : mouseListeners) ml.mouseDown(e); } /** * @return Returns the hideWhenMinimize. */ public boolean isHideWhenMinimize() { return hideWhenMinimize; } /** * @param hideWhenMinimize The hideWhenMinimize to set. */ public void setHideWhenMinimize(boolean hideWhenMinimize) { this.hideWhenMinimize = hideWhenMinimize; } /** * @return Returns the resizable. */ public boolean isResizable() { return resizable; } /** * @param resizable The resizable to set. */ public void setResizable(boolean resizable) { this.resizable = resizable; } /** * @return Returns the showMaxButton. */ public boolean isShowMaxButton() { return showMaxButton; } /** * @param showMaxButton The showMaxButton to set. */ public void setShowMaxButton(boolean showMaxButton) { this.showMaxButton = showMaxButton; } public Control getLeft() { return left; } public Control getRight() { return right; } public Control getTop() { return top; } public Control getBottom() { return bottom; } /** * @return Returns the center. */ public Composite getCenter() { return center; } /** * @return Returns the checkMinimizeWhenClose. */ public boolean isCheckMinimizeWhenClose() { return checkMinimizeWhenClose; } /** * @param checkMinimizeWhenClose The checkMinimizeWhenClose to set. */ public void setCheckMinimizeWhenClose(boolean checkMinimizeWhenClose) { this.checkMinimizeWhenClose = checkMinimizeWhenClose; } /** * @return Returns the maximizeWhenDoubleClick. */ public boolean isMaximizeWhenDoubleClick() { return maximizeWhenDoubleClick; } /** * @param maximizeWhenDoubleClick The maximizeWhenDoubleClick to set. */ public void setMaximizeWhenDoubleClick(boolean maximizeWhenDoubleClick) { this.maximizeWhenDoubleClick = maximizeWhenDoubleClick; } /** * @return Returns the minHeight. */ public int getMinHeight() { return minHeight; } /** * @param minHeight The minHeight to set. */ public void setMinHeight(int minHeight) { this.minHeight = minHeight; } /** * @return Returns the minWidth. */ public int getMinWidth() { return minWidth; } /** * @param minWidth The minWidth to set. */ public void setMinWidth(int minWidth) { this.minWidth = minWidth; } public void setShowButton(boolean showButton) { this.showButton = showButton; } }