gtkpainter.java

来自「java jdk 1.4的源码」· Java 代码 · 共 1,333 行 · 第 1/4 页

/*
 * @(#)GTKPainter.java	1.55 03/05/05
 *
 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.java.swing.plaf.gtk;

import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;

/**
 * @version 1.55, 05/05/03
 * @author Joshua Outwater
 * @author Scott Violet
 */
// Need to support:
// default_outside_border: Insets when default.
// interior_focus: Indicates if focus should appear inside border, or
//                       outside border.
// focus-line-width: Integer giving size of focus border
// focus-padding: Integer giving padding between border and focus
//        indicator.
// focus-line-pattern: 
//
class GTKPainter extends SynthPainter {
    static final GTKPainter INSTANCE = new GTKPainter();
    static final Insets EMPTY_INSETS = new Insets(0, 0, 0, 0);
    private static final Insets TEMP_INSETS = new Insets(0, 0, 0, 0);

    /**
     * Space for the default border.
     */
    private static final Insets BUTTON_DEFAULT_BORDER_INSETS =
                                       new Insets(1, 1, 1, 1);


    public void paint(SynthContext context, Object paintKey, Graphics g,
                      int x, int y, int w, int h) {
        Region id = context.getRegion();
        String name = (id.isSubregion()) ? null :
                                           context.getComponent().getName();
        GTKEngine engine = ((GTKStyle)context.getStyle()).getEngine(context);

        if (paintKey == "background") {
            if (!id.isSubregion()) {
                // Offset by the insets, if necessary.
                Border border = context.getComponent().getBorder();

                if (border != null && !(border instanceof UIResource)) {
                    Insets insets = context.getComponent().getInsets(
                                            TEMP_INSETS);

                    if (insets != null) {
                        x += insets.left;
                        y += insets.right;
                        w -= (insets.left + insets.right);
                        h -= (insets.top + insets.bottom);
                    }
                }
            }
            if (id == Region.ARROW_BUTTON) {
                paintArrowButtonBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.BUTTON) {
                if (name != null &&
                        name.startsWith("InternalFrameTitlePane.")) {
                    Metacity.INSTANCE.paintButtonBackground(context,
                            g, x, y, w, h);
                } else {
                    paintButtonBackground(context, engine, g, x, y, w, h,
                                          "button");
                }
            }
            else if (id == Region.FORMATTED_TEXT_FIELD) {
                paintTextFieldBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.LABEL) {
                if ("TableHeader.renderer" == name ||
                               name == "GTKFileChooser.directoryListLabel" ||
                               name == "GTKFileChooser.fileListLabel") {
                    paintButtonBackground(context, engine, g, x, y, w, h,
                                          "button");
                }
                else if (name == "ComboBox.renderer") {
                    paintTextFieldBackground(context, engine, g, x, y, w, h);
                }
            }
            else if (id == Region.LIST) {
                paintListBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.MENU) {
                paintMenuBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.MENU_BAR) {
                paintMenuBarBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.MENU_ITEM) {
                paintMenuItemBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.POPUP_MENU) {
                paintPopupMenuBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.PROGRESS_BAR) {
                paintProgressBarBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.CHECK_BOX || id == Region.RADIO_BUTTON) {
                paintCheckButtonBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.CHECK_BOX_MENU_ITEM
                    || id == Region.RADIO_BUTTON_MENU_ITEM) {
                paintCheckButtonMenuItemBackground(context, engine, g,
                        x, y, w, h);
            }
            else if (id == Region.ROOT_PANE) {
                paintRootPaneBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SCROLL_BAR) {
                paintScrollBarBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SCROLL_BAR_THUMB) {
                paintScrollBarThumbBackground(context, engine, g, x, y, w, h);
            }
            /*
            else if (id == Region.SCROLL_PANE) {
                paintScrollPaneBackground(context, engine, g, x, y, w, h);
            }
            */
            else if (id == Region.SEPARATOR) {
                paintSeparatorBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SLIDER_TRACK) {
                paintSliderTrackBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SLIDER_THUMB) {
                paintSliderThumbBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SPINNER) {
                paintSpinnerBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SPLIT_PANE_DIVIDER) {
                paintSplitPaneDividerBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TABBED_PANE_CONTENT) {
                paintTabbedPaneContentBackground(context,
                    engine, g, x, y, w, h);
            }
            else if (id == Region.TABBED_PANE_TAB) {
                paintTabbedPaneTabBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TEXT_AREA) {
                paintTextAreaBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TEXT_FIELD) {
                if (name == "Tree.cellEditor") {
                    paintTreeCellEditorBackground(context, engine, g, x, y, w,
                                                  h);
                }
                else {
                    paintTextFieldBackground(context, engine, g, x, y, w, h);
                }
            }
            else if (id == Region.TOGGLE_BUTTON) {
                paintToggleButtonBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TOOL_BAR ||
                     id == Region.TOOL_BAR_DRAG_WINDOW) {
                paintToolBarBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TOOL_BAR_CONTENT) {
                paintToolBarContentBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TOOL_TIP) {
                paintToolTipBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TREE) {
                paintTreeBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.TREE_CELL) {
                paintTreeCellBackground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.VIEWPORT) {
                paintViewportBackground(context, engine, g, x, y, w, h);
            }
        } else if (paintKey == "border") {
            if (id == Region.INTERNAL_FRAME) {
                Metacity.INSTANCE.paintFrameBorder(context, g, x, y, w, h);
            }
            else if (id == Region.VIEWPORT) {
                paintScrollPaneBackground(context, engine, g, x, y, w, h);
            }
        }
        else if (paintKey == "foreground") {
            if (id == Region.ARROW_BUTTON) {
                paintArrowButtonForeground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.PROGRESS_BAR) {
                paintProgressBarForeground(context, engine, g, x, y, w, h);
            }
            else if (id == Region.SPLIT_PANE_DIVIDER) {
                paintSplitPaneDividerDragBackground(context, engine, g, x, y,
                                                    w,h);
            }
        }
        else if (paintKey == "focus") {
            if (id == Region.TREE_CELL) {
                paintTreeCellFocus(context, engine, g, x, y, w, h);
            }
        }
    }

    Insets getInsets(SynthContext state, Insets insets) {
        Region id = state.getRegion();
        String name = (id.isSubregion()) ? null :
                                           state.getComponent().getName();

        if (insets == null) {
            insets = new Insets(0, 0, 0, 0);
        }
        else {
            insets.top = insets.bottom = insets.left = insets.right = 0;
        }
        if (id == Region.BUTTON || id == Region.TOGGLE_BUTTON
                || id == Region.CHECK_BOX || id == Region.RADIO_BUTTON
                || id == Region.ARROW_BUTTON || id == Region.TOGGLE_BUTTON
                || id == Region.MENU 
                || id == Region.MENU_ITEM
                || id == Region.RADIO_BUTTON_MENU_ITEM
                || id == Region.CHECK_BOX_MENU_ITEM) {
            if ("Spinner.previousButton" == name ||
                    "Spinner.nextButton" == name) {
                return getSpinnerButtonInsets(state, insets);
            } else {
                return getButtonInsets(state, insets);
            }
        }
        else if (id == Region.FORMATTED_TEXT_FIELD) {
            return getTextFieldInsets(state, insets);
        }
        else if (id == Region.INTERNAL_FRAME) {
            insets = Metacity.INSTANCE.getBorderInsets(state, insets);
        }
        else if (id == Region.LABEL) {
            if ("TableHeader.renderer" == name) {
                return getButtonInsets(state, insets);
            }
            else if ("ComboBox.renderer" == name) {
                return getTextFieldInsets(state, insets);
            }
            else if ("Tree.cellRenderer" == name) {
                return getTreeCellRendererInsets(state, insets);
            }
        }
        else if (id == Region.MENU_BAR) {
            return getMenuBarInsets(state, insets);
        }
        else if (id == Region.OPTION_PANE) {
            return getOptionPaneInsets(state, insets);
        }
        else if (id == Region.POPUP_MENU) {
            return getPopupMenuInsets(state, insets);
        }
        else if (id == Region.PROGRESS_BAR) {
            return getProgressBarInsets(state, insets);
        }
        else if (id == Region.SCROLL_BAR) {
            return getScrollBarInsets(state, insets);
        }
        else if (id == Region.SEPARATOR) {
            return getSeparatorInsets(state, insets);
        }
        else if (id == Region.SLIDER) {
            return getSliderInsets(state, insets);
        }
        else if (id == Region.SLIDER_TRACK) {
            return getSliderTrackInsets(state, insets);
        }
        else if (id == Region.SPINNER) {
            return getSpinnerInsets(state, insets);
        }
        else if (id == Region.TABBED_PANE) {
            return getTabbedPaneInsets(state, insets);
        }
        else if (id == Region.TABBED_PANE_CONTENT) {
            return getTabbedPaneContentInsets(state, insets);
        }
        else if (id == Region.TABBED_PANE_TAB) {
            return getTabbedPaneTabInsets(state, insets);
        }
        else if (id == Region.TEXT_FIELD) {
            if (name == "Tree.cellEditor") {
                return getTreeCellEditorInsets(state, insets);
            }
            return getTextFieldInsets(state, insets);
        }
        else if (id == Region.TOOL_BAR) {
            return getToolBarInsets(state, insets);
        }
        else if (id == Region.TOOL_TIP) {
            return getToolTipInsets(state, insets);
        }
        return insets;
    }

    //
    // BUTTON
    //
    private Insets getButtonInsets(SynthContext context, Insets insets) {
        GTKStyle style = (GTKStyle)context.getStyle();
        int focusSize = style.getClassSpecificIntValue(context,
                                                       "focus-line-width",1);
        int focusPad = style.getClassSpecificIntValue(context,
                                                      "focus-padding", 1);
        int xThickness = style.getXThickness();
        int yThickness = style.getYThickness();
        int w = focusSize + focusPad + xThickness;
        int h = focusSize + focusPad + yThickness;
        Component component = context.getComponent();

        insets.left = insets.right = w;
        insets.top = insets.bottom = h;
        if ((component instanceof JButton) &&
                       ((JButton)component).isDefaultCapable()) {
            Insets defaultInsets = style.getClassSpecificInsetsValue(context,
                          "default-border", BUTTON_DEFAULT_BORDER_INSETS);
            insets.left += defaultInsets.left;
            insets.right += defaultInsets.right;
            insets.top += defaultInsets.top;
            insets.bottom += defaultInsets.bottom;
        }
        return insets;
    }