1 /*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.java.swing.plaf.gtk;
27
28 import java.awt.*;
29 import java.awt.image.*;
30 import java.util.HashMap;
31 import javax.swing.*;
32 import javax.swing.plaf.synth.*;
33
34 import com.sun.java.swing.plaf.gtk.GTKConstants.ArrowType;
35 import com.sun.java.swing.plaf.gtk.GTKConstants.ExpanderStyle;
36 import com.sun.java.swing.plaf.gtk.GTKConstants.Orientation;
37 import com.sun.java.swing.plaf.gtk.GTKConstants.PositionType;
38 import com.sun.java.swing.plaf.gtk.GTKConstants.ShadowType;
39 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;
40
41 import sun.awt.image.SunWritableRaster;
42 import sun.swing.ImageCache;
43
44 /**
45 * GTKEngine delegates all painting job to native GTK libraries.
46 *
47 * Painting with GTKEngine looks like this:
48 * First, startPainting() is called. It prepares an offscreen buffer of the
49 * required size.
50 * Then, any number of paintXXX() methods can be called. They effectively ignore
51 * the Graphics parameter and draw to the offscreen buffer.
52 * Finally, finishPainting() should be called. It fills the data buffer passed
53 * in with the image data.
54 *
55 * @author Josh Outwater
56 */
57 class GTKEngine {
58
59 static final GTKEngine INSTANCE = new GTKEngine();
60
61 /** Size of the image cache */
62 private static final int CACHE_SIZE = 50;
63
64 /** This enum mirrors that in gtk2_interface.h */
65 static enum WidgetType {
66 BUTTON, CHECK_BOX, CHECK_BOX_MENU_ITEM, COLOR_CHOOSER,
67 COMBO_BOX, COMBO_BOX_ARROW_BUTTON, COMBO_BOX_TEXT_FIELD,
68 DESKTOP_ICON, DESKTOP_PANE, EDITOR_PANE, FORMATTED_TEXT_FIELD,
69 HANDLE_BOX, HPROGRESS_BAR,
70 HSCROLL_BAR, HSCROLL_BAR_BUTTON_LEFT, HSCROLL_BAR_BUTTON_RIGHT,
71 HSCROLL_BAR_TRACK, HSCROLL_BAR_THUMB,
72 HSEPARATOR, HSLIDER, HSLIDER_TRACK, HSLIDER_THUMB, HSPLIT_PANE_DIVIDER,
73 INTERNAL_FRAME, INTERNAL_FRAME_TITLE_PANE, IMAGE, LABEL, LIST, MENU,
74 MENU_BAR, MENU_ITEM, MENU_ITEM_ACCELERATOR, OPTION_PANE, PANEL,
75 PASSWORD_FIELD, POPUP_MENU, POPUP_MENU_SEPARATOR,
76 RADIO_BUTTON, RADIO_BUTTON_MENU_ITEM, ROOT_PANE, SCROLL_PANE,
77 SPINNER, SPINNER_ARROW_BUTTON, SPINNER_TEXT_FIELD,
78 SPLIT_PANE, TABBED_PANE, TABBED_PANE_TAB_AREA, TABBED_PANE_CONTENT,
79 TABBED_PANE_TAB, TABLE, TABLE_HEADER, TEXT_AREA, TEXT_FIELD, TEXT_PANE,
80 TITLED_BORDER,
81 TOGGLE_BUTTON, TOOL_BAR, TOOL_BAR_DRAG_WINDOW, TOOL_BAR_SEPARATOR,
82 TOOL_TIP, TREE, TREE_CELL, VIEWPORT, VPROGRESS_BAR,
83 VSCROLL_BAR, VSCROLL_BAR_BUTTON_UP, VSCROLL_BAR_BUTTON_DOWN,
84 VSCROLL_BAR_TRACK, VSCROLL_BAR_THUMB,
85 VSEPARATOR, VSLIDER, VSLIDER_TRACK, VSLIDER_THUMB,
86 VSPLIT_PANE_DIVIDER
87 }
88
89 /**
90 * Representation of GtkSettings properties.
91 * When we need more settings we can add them here and
92 * to all implementations of getGTKSetting().
93 */
94 static enum Settings {
95 GTK_FONT_NAME,
96 GTK_ICON_SIZES,
97 GTK_CURSOR_BLINK,
98 GTK_CURSOR_BLINK_TIME
99 }
100
101 /* Custom regions are needed for representing regions that don't exist
102 * in the original Region class.
103 */
104 static class CustomRegion extends Region {
105 /*
106 * TITLED_BORDER Region is mapped to GtkFrame class which can draw
107 * titled borders around components.
108 */
109 static Region TITLED_BORDER = new CustomRegion("TitledBorder");
110
111 private CustomRegion(String name) {
112 super(name, null, false);
113 }
114 }
115
116
117 private static HashMap<Region, Object> regionToWidgetTypeMap;
118 private ImageCache cache = new ImageCache(CACHE_SIZE);
119 private int x0, y0, w0, h0;
120 private Graphics graphics;
121 private Object[] cacheArgs;
122
123 private native void native_paint_arrow(
124 int widgetType, int state, int shadowType, String detail,
125 int x, int y, int width, int height, int arrowType);
126 private native void native_paint_box(
127 int widgetType, int state, int shadowType, String detail,
128 int x, int y, int width, int height, int synthState, int dir);
129 private native void native_paint_box_gap(
130 int widgetType, int state, int shadowType, String detail,
131 int x, int y, int width, int height,
132 int gapSide, int gapX, int gapWidth);
133 private native void native_paint_check(
134 int widgetType, int synthState, String detail,
135 int x, int y, int width, int height);
136 private native void native_paint_expander(
137 int widgetType, int state, String detail,
138 int x, int y, int width, int height, int expanderStyle);
139 private native void native_paint_extension(
140 int widgetType, int state, int shadowType, String detail,
141 int x, int y, int width, int height, int placement);
142 private native void native_paint_flat_box(
143 int widgetType, int state, int shadowType, String detail,
144 int x, int y, int width, int height, boolean hasFocus);
145 private native void native_paint_focus(
146 int widgetType, int state, String detail,
147 int x, int y, int width, int height);
148 private native void native_paint_handle(
149 int widgetType, int state, int shadowType, String detail,
150 int x, int y, int width, int height, int orientation);
151 private native void native_paint_hline(
152 int widgetType, int state, String detail,
153 int x, int y, int width, int height);
154 private native void native_paint_option(
155 int widgetType, int synthState, String detail,
156 int x, int y, int width, int height);
157 private native void native_paint_shadow(
158 int widgetType, int state, int shadowType, String detail,
159 int x, int y, int width, int height, int synthState, int dir);
160 private native void native_paint_slider(
161 int widgetType, int state, int shadowType, String detail,
162 int x, int y, int width, int height, int orientation);
163 private native void native_paint_vline(
164 int widgetType, int state, String detail,
165 int x, int y, int width, int height);
166 private native void native_paint_background(
167 int widgetType, int state, int x, int y, int width, int height);
168 private native Object native_get_gtk_setting(int property);
169 private native void nativeSetRangeValue(int widgetType, double value,
170 double min, double max,
171 double visible);
172
173 private native void nativeStartPainting(int w, int h);
174 private native int nativeFinishPainting(int[] buffer, int width, int height);
175 private native void native_switch_theme();
176
177 static {
178 // Make sure the awt toolkit is loaded so we have access to native
179 // methods.
180 Toolkit.getDefaultToolkit();
181
182 // Initialize regionToWidgetTypeMap
183 regionToWidgetTypeMap = new HashMap<Region, Object>(50);
184 regionToWidgetTypeMap.put(Region.ARROW_BUTTON, new WidgetType[] {
185 WidgetType.SPINNER_ARROW_BUTTON,
186 WidgetType.COMBO_BOX_ARROW_BUTTON,
187 WidgetType.HSCROLL_BAR_BUTTON_LEFT,
188 WidgetType.HSCROLL_BAR_BUTTON_RIGHT,
189 WidgetType.VSCROLL_BAR_BUTTON_UP,
190 WidgetType.VSCROLL_BAR_BUTTON_DOWN});
191 regionToWidgetTypeMap.put(Region.BUTTON, WidgetType.BUTTON);
192 regionToWidgetTypeMap.put(Region.CHECK_BOX, WidgetType.CHECK_BOX);
193 regionToWidgetTypeMap.put(Region.CHECK_BOX_MENU_ITEM,
194 WidgetType.CHECK_BOX_MENU_ITEM);
195 regionToWidgetTypeMap.put(Region.COLOR_CHOOSER, WidgetType.COLOR_CHOOSER);
196 regionToWidgetTypeMap.put(Region.FILE_CHOOSER, WidgetType.OPTION_PANE);
197 regionToWidgetTypeMap.put(Region.COMBO_BOX, WidgetType.COMBO_BOX);
198 regionToWidgetTypeMap.put(Region.DESKTOP_ICON, WidgetType.DESKTOP_ICON);
199 regionToWidgetTypeMap.put(Region.DESKTOP_PANE, WidgetType.DESKTOP_PANE);
200 regionToWidgetTypeMap.put(Region.EDITOR_PANE, WidgetType.EDITOR_PANE);
201 regionToWidgetTypeMap.put(Region.FORMATTED_TEXT_FIELD, new WidgetType[] {
202 WidgetType.FORMATTED_TEXT_FIELD, WidgetType.SPINNER_TEXT_FIELD});
203 regionToWidgetTypeMap.put(GTKRegion.HANDLE_BOX, WidgetType.HANDLE_BOX);
204 regionToWidgetTypeMap.put(Region.INTERNAL_FRAME,
205 WidgetType.INTERNAL_FRAME);
206 regionToWidgetTypeMap.put(Region.INTERNAL_FRAME_TITLE_PANE,
207 WidgetType.INTERNAL_FRAME_TITLE_PANE);
208 regionToWidgetTypeMap.put(Region.LABEL, new WidgetType[] {
209 WidgetType.LABEL, WidgetType.COMBO_BOX_TEXT_FIELD});
210 regionToWidgetTypeMap.put(Region.LIST, WidgetType.LIST);
211 regionToWidgetTypeMap.put(Region.MENU, WidgetType.MENU);
212 regionToWidgetTypeMap.put(Region.MENU_BAR, WidgetType.MENU_BAR);
213 regionToWidgetTypeMap.put(Region.MENU_ITEM, WidgetType.MENU_ITEM);
214 regionToWidgetTypeMap.put(Region.MENU_ITEM_ACCELERATOR,
215 WidgetType.MENU_ITEM_ACCELERATOR);
216 regionToWidgetTypeMap.put(Region.OPTION_PANE, WidgetType.OPTION_PANE);
217 regionToWidgetTypeMap.put(Region.PANEL, WidgetType.PANEL);
218 regionToWidgetTypeMap.put(Region.PASSWORD_FIELD,
219 WidgetType.PASSWORD_FIELD);
220 regionToWidgetTypeMap.put(Region.POPUP_MENU, WidgetType.POPUP_MENU);
221 regionToWidgetTypeMap.put(Region.POPUP_MENU_SEPARATOR,
222 WidgetType.POPUP_MENU_SEPARATOR);
223 regionToWidgetTypeMap.put(Region.PROGRESS_BAR, new WidgetType[] {
224 WidgetType.HPROGRESS_BAR, WidgetType.VPROGRESS_BAR});
225 regionToWidgetTypeMap.put(Region.RADIO_BUTTON, WidgetType.RADIO_BUTTON);
226 regionToWidgetTypeMap.put(Region.RADIO_BUTTON_MENU_ITEM,
227 WidgetType.RADIO_BUTTON_MENU_ITEM);
228 regionToWidgetTypeMap.put(Region.ROOT_PANE, WidgetType.ROOT_PANE);
229 regionToWidgetTypeMap.put(Region.SCROLL_BAR, new WidgetType[] {
230 WidgetType.HSCROLL_BAR, WidgetType.VSCROLL_BAR});
231 regionToWidgetTypeMap.put(Region.SCROLL_BAR_THUMB, new WidgetType[] {
232 WidgetType.HSCROLL_BAR_THUMB, WidgetType.VSCROLL_BAR_THUMB});
233 regionToWidgetTypeMap.put(Region.SCROLL_BAR_TRACK, new WidgetType[] {
234 WidgetType.HSCROLL_BAR_TRACK, WidgetType.VSCROLL_BAR_TRACK});
235 regionToWidgetTypeMap.put(Region.SCROLL_PANE, WidgetType.SCROLL_PANE);
236 regionToWidgetTypeMap.put(Region.SEPARATOR, new WidgetType[] {
237 WidgetType.HSEPARATOR, WidgetType.VSEPARATOR});
238 regionToWidgetTypeMap.put(Region.SLIDER, new WidgetType[] {
239 WidgetType.HSLIDER, WidgetType.VSLIDER});
240 regionToWidgetTypeMap.put(Region.SLIDER_THUMB, new WidgetType[] {
241 WidgetType.HSLIDER_THUMB, WidgetType.VSLIDER_THUMB});
242 regionToWidgetTypeMap.put(Region.SLIDER_TRACK, new WidgetType[] {
243 WidgetType.HSLIDER_TRACK, WidgetType.VSLIDER_TRACK});
244 regionToWidgetTypeMap.put(Region.SPINNER, WidgetType.SPINNER);
245 regionToWidgetTypeMap.put(Region.SPLIT_PANE, WidgetType.SPLIT_PANE);
246 regionToWidgetTypeMap.put(Region.SPLIT_PANE_DIVIDER, new WidgetType[] {
247 WidgetType.HSPLIT_PANE_DIVIDER, WidgetType.VSPLIT_PANE_DIVIDER});
248 regionToWidgetTypeMap.put(Region.TABBED_PANE, WidgetType.TABBED_PANE);
249 regionToWidgetTypeMap.put(Region.TABBED_PANE_CONTENT,
250 WidgetType.TABBED_PANE_CONTENT);
251 regionToWidgetTypeMap.put(Region.TABBED_PANE_TAB,
252 WidgetType.TABBED_PANE_TAB);
253 regionToWidgetTypeMap.put(Region.TABBED_PANE_TAB_AREA,
254 WidgetType.TABBED_PANE_TAB_AREA);
255 regionToWidgetTypeMap.put(Region.TABLE, WidgetType.TABLE);
256 regionToWidgetTypeMap.put(Region.TABLE_HEADER, WidgetType.TABLE_HEADER);
257 regionToWidgetTypeMap.put(Region.TEXT_AREA, WidgetType.TEXT_AREA);
258 regionToWidgetTypeMap.put(Region.TEXT_FIELD, new WidgetType[] {
259 WidgetType.TEXT_FIELD, WidgetType.COMBO_BOX_TEXT_FIELD});
260 regionToWidgetTypeMap.put(Region.TEXT_PANE, WidgetType.TEXT_PANE);
261 regionToWidgetTypeMap.put(CustomRegion.TITLED_BORDER, WidgetType.TITLED_BORDER);
262 regionToWidgetTypeMap.put(Region.TOGGLE_BUTTON, WidgetType.TOGGLE_BUTTON);
263 regionToWidgetTypeMap.put(Region.TOOL_BAR, WidgetType.TOOL_BAR);
264 regionToWidgetTypeMap.put(Region.TOOL_BAR_CONTENT, WidgetType.TOOL_BAR);
265 regionToWidgetTypeMap.put(Region.TOOL_BAR_DRAG_WINDOW,
266 WidgetType.TOOL_BAR_DRAG_WINDOW);
267 regionToWidgetTypeMap.put(Region.TOOL_BAR_SEPARATOR,
268 WidgetType.TOOL_BAR_SEPARATOR);
269 regionToWidgetTypeMap.put(Region.TOOL_TIP, WidgetType.TOOL_TIP);
270 regionToWidgetTypeMap.put(Region.TREE, WidgetType.TREE);
271 regionToWidgetTypeMap.put(Region.TREE_CELL, WidgetType.TREE_CELL);
272 regionToWidgetTypeMap.put(Region.VIEWPORT, WidgetType.VIEWPORT);
273 }
274
275 /** Translate Region and JComponent into WidgetType ordinals */
276 static WidgetType getWidgetType(JComponent c, Region id) {
277 Object value = regionToWidgetTypeMap.get(id);
278
279 if (value instanceof WidgetType) {
280 return (WidgetType)value;
281 }
282
283 WidgetType[] widgets = (WidgetType[])value;
284 if (c == null ) {
285 return widgets[0];
286 }
287
288 if (c instanceof JScrollBar) {
289 return (((JScrollBar)c).getOrientation() == JScrollBar.HORIZONTAL) ?
290 widgets[0] : widgets[1];
291 } else if (c instanceof JSeparator) {
292 JSeparator separator = (JSeparator)c;
293
294 /* We should return correrct WidgetType if the seperator is inserted
295 * in Menu/PopupMenu/ToolBar. BugID: 6465603
296 */
297 if (separator.getParent() instanceof JPopupMenu) {
298 return WidgetType.POPUP_MENU_SEPARATOR;
299 } else if (separator.getParent() instanceof JToolBar) {
300 return WidgetType.TOOL_BAR_SEPARATOR;
301 }
302
303 return (separator.getOrientation() == JSeparator.HORIZONTAL) ?
304 widgets[0] : widgets[1];
305 } else if (c instanceof JSlider) {
306 return (((JSlider)c).getOrientation() == JSlider.HORIZONTAL) ?
307 widgets[0] : widgets[1];
308 } else if (c instanceof JProgressBar) {
309 return (((JProgressBar)c).getOrientation() == JProgressBar.HORIZONTAL) ?
310 widgets[0] : widgets[1];
311 } else if (c instanceof JSplitPane) {
312 return (((JSplitPane)c).getOrientation() == JSplitPane.HORIZONTAL_SPLIT) ?
313 widgets[1] : widgets[0];
314 } else if (id == Region.LABEL) {
315 /*
316 * For all ListCellRenderers we will use COMBO_BOX_TEXT_FIELD widget
317 * type because we can get correct insets. List items however won't be
318 * drawn as a text entry (see GTKPainter.paintLabelBackground).
319 */
320 if (c instanceof ListCellRenderer) {
321 return widgets[1];
322 } else {
323 return widgets[0];
324 }
325 } else if (id == Region.TEXT_FIELD) {
326 String name = c.getName();
327 if (name != null && name.startsWith("ComboBox")) {
328 return widgets[1];
329 } else {
330 return widgets[0];
331 }
332 } else if (id == Region.FORMATTED_TEXT_FIELD) {
333 String name = c.getName();
334 if (name != null && name.startsWith("Spinner")) {
335 return widgets[1];
336 } else {
337 return widgets[0];
338 }
339 } else if (id == Region.ARROW_BUTTON) {
340 if (c.getParent() instanceof JScrollBar) {
341 Integer prop = (Integer)
342 c.getClientProperty("__arrow_direction__");
343 int dir = (prop != null) ?
344 prop.intValue() : SwingConstants.WEST;
345 switch (dir) {
346 case SwingConstants.WEST:
347 return WidgetType.HSCROLL_BAR_BUTTON_LEFT;
348 case SwingConstants.EAST:
349 return WidgetType.HSCROLL_BAR_BUTTON_RIGHT;
350 case SwingConstants.NORTH:
351 return WidgetType.VSCROLL_BAR_BUTTON_UP;
352 case SwingConstants.SOUTH:
353 return WidgetType.VSCROLL_BAR_BUTTON_DOWN;
354 default:
355 return null;
356 }
357 } else if (c.getParent() instanceof JComboBox) {
358 return WidgetType.COMBO_BOX_ARROW_BUTTON;
359 } else {
360 return WidgetType.SPINNER_ARROW_BUTTON;
361 }
362 }
363
364 return null;
365 }
366
367 private static int getTextDirection(SynthContext context) {
368 TextDirection dir = TextDirection.NONE;
369 JComponent comp = context.getComponent();
370 if (comp != null) {
371 ComponentOrientation co = comp.getComponentOrientation();
372 if (co != null) {
373 dir = co.isLeftToRight() ?
374 TextDirection.LTR : TextDirection.RTL;
375 }
376 }
377 return dir.ordinal();
378 }
379
380 public void paintArrow(Graphics g, SynthContext context,
381 Region id, int state, ShadowType shadowType, ArrowType direction,
382 String detail, int x, int y, int w, int h) {
383
384 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
385 int widget = getWidgetType(context.getComponent(), id).ordinal();
386 native_paint_arrow(widget, state, shadowType.ordinal(),
387 detail, x - x0, y - y0, w, h, direction.ordinal());
388 }
389
390 public void paintBox(Graphics g, SynthContext context,
391 Region id, int state, ShadowType shadowType,
392 String detail, int x, int y, int w, int h) {
393
394 int gtkState =
395 GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
396 int synthState = context.getComponentState();
397 int dir = getTextDirection(context);
398 int widget = getWidgetType(context.getComponent(), id).ordinal();
399 native_paint_box(widget, gtkState, shadowType.ordinal(),
400 detail, x - x0, y - y0, w, h, synthState, dir);
401 }
402
403 public void paintBoxGap(Graphics g, SynthContext context,
404 Region id, int state, ShadowType shadowType,
405 String detail, int x, int y, int w, int h,
406 PositionType boxGapType, int tabBegin, int size) {
407
408 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
409 int widget = getWidgetType(context.getComponent(), id).ordinal();
410 native_paint_box_gap(widget, state, shadowType.ordinal(), detail,
411 x - x0, y - y0, w, h, boxGapType.ordinal(), tabBegin, size);
412 }
413
414 public void paintCheck(Graphics g, SynthContext context,
415 Region id, String detail, int x, int y, int w, int h) {
416
417 int synthState = context.getComponentState();
418 int widget = getWidgetType(context.getComponent(), id).ordinal();
419 native_paint_check(widget, synthState, detail, x - x0, y - y0, w, h);
420 }
421
422 public void paintExpander(Graphics g, SynthContext context,
423 Region id, int state, ExpanderStyle expanderStyle, String detail,
424 int x, int y, int w, int h) {
425
426 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
427 int widget = getWidgetType(context.getComponent(), id).ordinal();
428 native_paint_expander(widget, state, detail, x - x0, y - y0, w, h,
429 expanderStyle.ordinal());
430 }
431
432 public void paintExtension(Graphics g, SynthContext context,
433 Region id, int state, ShadowType shadowType, String detail,
434 int x, int y, int w, int h, PositionType placement, int tabIndex) {
435
436 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
437 int widget = getWidgetType(context.getComponent(), id).ordinal();
438 native_paint_extension(widget, state, shadowType.ordinal(), detail,
439 x - x0, y - y0, w, h, placement.ordinal());
440 }
441
442 public void paintFlatBox(Graphics g, SynthContext context,
443 Region id, int state, ShadowType shadowType, String detail,
444 int x, int y, int w, int h, ColorType colorType) {
445
446 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
447 int widget = getWidgetType(context.getComponent(), id).ordinal();
448 native_paint_flat_box(widget, state, shadowType.ordinal(), detail,
449 x - x0, y - y0, w, h,
450 context.getComponent().hasFocus());
451 }
452
453 public void paintFocus(Graphics g, SynthContext context,
454 Region id, int state, String detail, int x, int y, int w, int h) {
455
456 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
457 int widget = getWidgetType(context.getComponent(), id).ordinal();
458 native_paint_focus(widget, state, detail, x - x0, y - y0, w, h);
459 }
460
461 public void paintHandle(Graphics g, SynthContext context,
462 Region id, int state, ShadowType shadowType, String detail,
463 int x, int y, int w, int h, Orientation orientation) {
464
465 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
466 int widget = getWidgetType(context.getComponent(), id).ordinal();
467 native_paint_handle(widget, state, shadowType.ordinal(), detail,
468 x - x0, y - y0, w, h, orientation.ordinal());
469 }
470
471 public void paintHline(Graphics g, SynthContext context,
472 Region id, int state, String detail, int x, int y, int w, int h) {
473
474 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
475 int widget = getWidgetType(context.getComponent(), id).ordinal();
476 native_paint_hline(widget, state, detail, x - x0, y - y0, w, h);
477 }
478
479 public void paintOption(Graphics g, SynthContext context,
480 Region id, String detail, int x, int y, int w, int h) {
481
482 int synthState = context.getComponentState();
483 int widget = getWidgetType(context.getComponent(), id).ordinal();
484 native_paint_option(widget, synthState, detail, x - x0, y - y0, w, h);
485 }
486
487 public void paintShadow(Graphics g, SynthContext context,
488 Region id, int state, ShadowType shadowType, String detail,
489 int x, int y, int w, int h) {
490
491 int gtkState =
492 GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
493 int synthState = context.getComponentState();
494 int dir = getTextDirection(context);
495 int widget = getWidgetType(context.getComponent(), id).ordinal();
496 native_paint_shadow(widget, gtkState, shadowType.ordinal(), detail,
497 x - x0, y - y0, w, h, synthState, dir);
498 }
499
500 public void paintSlider(Graphics g, SynthContext context,
501 Region id, int state, ShadowType shadowType, String detail,
502 int x, int y, int w, int h, Orientation orientation) {
503
504 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
505 int widget = getWidgetType(context.getComponent(), id).ordinal();
506 native_paint_slider(widget, state, shadowType.ordinal(), detail,
507 x - x0, y - y0, w, h, orientation.ordinal());
508 }
509
510 public void paintVline(Graphics g, SynthContext context,
511 Region id, int state, String detail, int x, int y, int w, int h) {
512
513 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
514 int widget = getWidgetType(context.getComponent(), id).ordinal();
515 native_paint_vline(widget, state, detail, x - x0, y - y0, w, h);
516 }
517
518 public void paintBackground(Graphics g, SynthContext context,
519 Region id, int state, Color color, int x, int y, int w, int h) {
520
521 state = GTKLookAndFeel.synthStateToGTKStateType(state).ordinal();
522 int widget = getWidgetType(context.getComponent(), id).ordinal();
523 native_paint_background(widget, state, x - x0, y - y0, w, h);
524 }
525
526 private static final ColorModel[] COLOR_MODELS = {
527 // Transparency.OPAQUE
528 new DirectColorModel(24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000),
529 // Transparency.BITMASK
530 new DirectColorModel(25, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x01000000),
531 // Transparency.TRANSLUCENT
532 ColorModel.getRGBdefault(),
533 };
534
535 private static final int[][] BAND_OFFSETS = {
536 { 0x00ff0000, 0x0000ff00, 0x000000ff }, // OPAQUE
537 { 0x00ff0000, 0x0000ff00, 0x000000ff, 0x01000000 }, // BITMASK
538 { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 } // TRANSLUCENT
539 };
540
541
542 /**
543 * Paint a cached image identified by its size and a set of additional
544 * arguments, if there's one.
545 *
546 * @return true if a cached image has been painted, false otherwise
547 */
548 public boolean paintCachedImage(Graphics g,
549 int x, int y, int w, int h, Object... args) {
550 if (w <= 0 || h <= 0) {
551 return true;
552 }
553
554 // look for cached image
555 Image img = cache.getImage(getClass(), null, w, h, args);
556 if (img != null) {
557 g.drawImage(img, x, y, null);
558 return true;
559 }
560 return false;
561 }
562
563 /*
564 * Allocate a native offscreen buffer of the specified size.
565 */
566 public void startPainting(Graphics g,
567 int x, int y, int w, int h, Object... args) {
568 nativeStartPainting(w, h);
569 x0 = x;
570 y0 = y;
571 w0 = w;
572 h0 = h;
573 graphics = g;
574 cacheArgs = args;
575 }
576
577 /**
578 * Convenience method that delegates to finishPainting() with
579 * caching enabled.
580 */
581 public void finishPainting() {
582 finishPainting(true);
583 }
584
585 /**
586 * Called to indicate that painting is finished. We create a new
587 * BufferedImage from the offscreen buffer, (optionally) cache it,
588 * and paint it.
589 */
590 public void finishPainting(boolean useCache) {
591 DataBufferInt dataBuffer = new DataBufferInt(w0 * h0);
592 // Note that stealData() requires a markDirty() afterwards
593 // since we modify the data in it.
594 int transparency =
595 nativeFinishPainting(SunWritableRaster.stealData(dataBuffer, 0),
596 w0, h0);
597 SunWritableRaster.markDirty(dataBuffer);
598
599 int[] bands = BAND_OFFSETS[transparency - 1];
600 WritableRaster raster = Raster.createPackedRaster(
601 dataBuffer, w0, h0, w0, bands, null);
602
603 ColorModel cm = COLOR_MODELS[transparency - 1];
604 Image img = new BufferedImage(cm, raster, false, null);
605 if (useCache) {
606 cache.setImage(getClass(), null, w0, h0, cacheArgs, img);
607 }
608 graphics.drawImage(img, x0, y0, null);
609 }
610
611 /**
612 * Notify native layer of theme change, and flush cache
613 */
614 public void themeChanged() {
615 synchronized(sun.awt.UNIXToolkit.GTK_LOCK) {
616 native_switch_theme();
617 }
618 cache.flush();
619 }
620
621 /* GtkSettings enum mirrors that in gtk2_interface.h */
622 public Object getSetting(Settings property) {
623 synchronized(sun.awt.UNIXToolkit.GTK_LOCK) {
624 return native_get_gtk_setting(property.ordinal());
625 }
626 }
627
628 /**
629 * Sets up the GtkAdjustment values for the native GtkRange widget
630 * associated with the given region (e.g. SLIDER, SCROLL_BAR).
631 */
632 void setRangeValue(SynthContext context, Region id,
633 double value, double min, double max, double visible) {
634 int widget = getWidgetType(context.getComponent(), id).ordinal();
635 nativeSetRangeValue(widget, value, min, max, visible);
636 }
637 }