draw mouse arrows on pane split
[fanfix.git] / src / jexer / TWindow.java
CommitLineData
daa4106c 1/*
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2 * Jexer - Java Text User Interface
3 *
e16dda65 4 * The MIT License (MIT)
48e27807 5 *
a69ed767 6 * Copyright (C) 2019 Kevin Lamonte
48e27807 7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
48e27807 14 *
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15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
48e27807 17 *
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
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25 *
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
27 * @version 1
28 */
29package jexer;
30
5dfd1c11 31import java.util.HashSet;
d36057df 32import java.util.Set;
5dfd1c11 33
42873e30 34import jexer.backend.Screen;
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35import jexer.bits.CellAttributes;
36import jexer.bits.GraphicsChars;
97bc3f29 37import jexer.bits.StringUtils;
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38import jexer.event.TCommandEvent;
39import jexer.event.TKeypressEvent;
40import jexer.event.TMenuEvent;
41import jexer.event.TMouseEvent;
42import jexer.event.TResizeEvent;
928811d8 43import jexer.menu.TMenu;
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44import static jexer.TCommand.*;
45import static jexer.TKeypress.*;
46
47/**
48 * TWindow is the top-level container and drawing surface for other widgets.
49 */
2b9c27db 50public class TWindow extends TWidget {
48e27807 51
2ce6dab2 52 // ------------------------------------------------------------------------
d36057df 53 // Constants --------------------------------------------------------------
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54 // ------------------------------------------------------------------------
55
48e27807 56 /**
2ce6dab2 57 * Window is resizable (default yes).
48e27807 58 */
2ce6dab2 59 public static final int RESIZABLE = 0x01;
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60
61 /**
2ce6dab2 62 * Window is modal (default no).
48e27807 63 */
2ce6dab2 64 public static final int MODAL = 0x02;
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65
66 /**
2ce6dab2 67 * Window is centered (default no).
48e27807 68 */
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69 public static final int CENTERED = 0x04;
70
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71 /**
72 * Window has no close box (default no). Window can still be closed via
73 * TApplication.closeWindow() and TWindow.close().
74 */
75 public static final int NOCLOSEBOX = 0x08;
76
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77 /**
78 * Window has no maximize box (default no).
79 */
80 public static final int NOZOOMBOX = 0x10;
81
48e27807 82 /**
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83 * Window is placed at absolute position (no smart placement) (default
84 * no).
fca67db0 85 */
d36057df 86 public static final int ABSOLUTEXY = 0x20;
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87
88 /**
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89 * Hitting the closebox with the mouse calls TApplication.hideWindow()
90 * rather than TApplication.closeWindow() (default no).
fca67db0 91 */
d36057df 92 public static final int HIDEONCLOSE = 0x40;
48e27807 93
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94 /**
95 * Menus cannot be used when this window is active (default no).
96 */
97 public static final int OVERRIDEMENU = 0x80;
98
2ce6dab2 99 // ------------------------------------------------------------------------
d36057df 100 // Variables --------------------------------------------------------------
2ce6dab2 101 // ------------------------------------------------------------------------
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102
103 /**
d36057df 104 * Window flags. Note package private access.
48e27807 105 */
d36057df 106 int flags = RESIZABLE;
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107
108 /**
d36057df 109 * Window title.
48e27807 110 */
d36057df 111 private String title = "";
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112
113 /**
d36057df 114 * Window's parent TApplication.
48e27807 115 */
d36057df 116 private TApplication application;
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117
118 /**
119 * Z order. Lower number means more in-front.
120 */
121 private int z = 0;
122
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123 /**
124 * Window's keyboard shortcuts. Any key in this set will be passed to
125 * the window directly rather than processed through the menu
126 * accelerators.
127 */
d36057df 128 private Set<TKeypress> keyboardShortcuts = new HashSet<TKeypress>();
2ce6dab2 129
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130 /**
131 * If true, then the user clicked on the title bar and is moving the
132 * window.
133 */
bd8d51fa 134 protected boolean inWindowMove = false;
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135
136 /**
137 * If true, then the user clicked on the bottom right corner and is
138 * resizing the window.
139 */
bd8d51fa 140 protected boolean inWindowResize = false;
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141
142 /**
143 * If true, then the user selected "Size/Move" (or hit Ctrl-F5) and is
144 * resizing/moving the window via the keyboard.
145 */
d36057df 146 protected boolean inKeyboardResize = false;
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147
148 /**
149 * If true, this window is maximized.
150 */
151 private boolean maximized = false;
152
153 /**
154 * Remember mouse state.
155 */
928811d8 156 protected TMouseEvent mouse;
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157
158 // For moving the window. resizing also uses moveWindowMouseX/Y
159 private int moveWindowMouseX;
160 private int moveWindowMouseY;
161 private int oldWindowX;
162 private int oldWindowY;
163
164 // Resizing
165 private int resizeWindowWidth;
166 private int resizeWindowHeight;
167 private int minimumWindowWidth = 10;
168 private int minimumWindowHeight = 2;
169 private int maximumWindowWidth = -1;
170 private int maximumWindowHeight = -1;
171
172 // For maximize/restore
173 private int restoreWindowWidth;
174 private int restoreWindowHeight;
175 private int restoreWindowX;
176 private int restoreWindowY;
177
34a42e78 178 /**
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179 * Hidden flag. A hidden window will still have its onIdle() called, and
180 * will also have onClose() called at application exit. Note package
181 * private access: TApplication will force hidden false if a modal window
182 * is active.
34a42e78 183 */
d36057df 184 boolean hidden = false;
34a42e78 185
71a389c9 186 /**
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187 * A window may have a status bar associated with it. TApplication will
188 * draw this status bar last, and will also route events to it first
189 * before the window.
71a389c9 190 */
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191 protected TStatusBar statusBar = null;
192
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193 /**
194 * A window may request that TApplication NOT draw the mouse cursor over
195 * it by setting this to true. This is currently only used within Jexer
196 * by TTerminalWindow so that only the bottom-most instance of nested
197 * Jexer's draws the mouse within its application window. But perhaps
198 * other applications can use it, so public getter/setter is provided.
199 */
200 private boolean hideMouse = false;
201
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202 // ------------------------------------------------------------------------
203 // Constructors -----------------------------------------------------------
204 // ------------------------------------------------------------------------
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205
206 /**
d36057df 207 * Public constructor. Window will be located at (0, 0).
71a389c9 208 *
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209 * @param application TApplication that manages this window
210 * @param title window title, will be centered along the top border
211 * @param width width of window
212 * @param height height of window
71a389c9 213 */
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214 public TWindow(final TApplication application, final String title,
215 final int width, final int height) {
216
217 this(application, title, 0, 0, width, height, RESIZABLE);
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218 }
219
220 /**
d36057df 221 * Public constructor. Window will be located at (0, 0).
71a389c9 222 *
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223 * @param application TApplication that manages this window
224 * @param title window title, will be centered along the top border
225 * @param width width of window
226 * @param height height of window
227 * @param flags bitmask of RESIZABLE, CENTERED, or MODAL
71a389c9 228 */
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229 public TWindow(final TApplication application, final String title,
230 final int width, final int height, final int flags) {
71a389c9 231
d36057df 232 this(application, title, 0, 0, width, height, flags);
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233 }
234
235 /**
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236 * Public constructor.
237 *
238 * @param application TApplication that manages this window
239 * @param title window title, will be centered along the top border
240 * @param x column relative to parent
241 * @param y row relative to parent
242 * @param width width of window
243 * @param height height of window
2ce6dab2 244 */
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245 public TWindow(final TApplication application, final String title,
246 final int x, final int y, final int width, final int height) {
92453213 247
d36057df 248 this(application, title, x, y, width, height, RESIZABLE);
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249 }
250
251 /**
252 * Public constructor.
253 *
254 * @param application TApplication that manages this window
255 * @param title window title, will be centered along the top border
256 * @param x column relative to parent
257 * @param y row relative to parent
258 * @param width width of window
259 * @param height height of window
260 * @param flags mask of RESIZABLE, CENTERED, or MODAL
261 */
262 public TWindow(final TApplication application, final String title,
263 final int x, final int y, final int width, final int height,
264 final int flags) {
265
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266 super();
267
48e27807 268 // I am my own window and parent
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269 setupForTWindow(this, x, y + application.getDesktopTop(),
270 width, height);
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271
272 // Save fields
273 this.title = title;
274 this.application = application;
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275 this.flags = flags;
276
277 // Minimum width/height are 10 and 2
278 assert (width >= 10);
fca67db0 279 assert (getHeight() >= 2);
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280
281 // MODAL implies CENTERED
282 if (isModal()) {
283 this.flags |= CENTERED;
284 }
285
286 // Center window if specified
287 center();
288
289 // Add me to the application
d36057df 290 application.addWindowToApplication(this);
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291 }
292
2ce6dab2 293 // ------------------------------------------------------------------------
d36057df 294 // Event handlers ---------------------------------------------------------
2ce6dab2 295 // ------------------------------------------------------------------------
48e27807 296
fe0770f9 297 /**
d36057df 298 * Returns true if the mouse is currently on the close button.
fe0770f9 299 *
d36057df 300 * @return true if mouse is currently on the close button
fe0770f9 301 */
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302 protected boolean mouseOnClose() {
303 if ((flags & NOCLOSEBOX) != 0) {
304 return false;
305 }
306 if ((mouse != null)
307 && (mouse.getAbsoluteY() == getY())
308 && (mouse.getAbsoluteX() == getX() + 3)
309 ) {
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310 return true;
311 }
312 return false;
313 }
314
315 /**
d36057df 316 * Returns true if the mouse is currently on the maximize/restore button.
48e27807 317 *
d36057df 318 * @return true if the mouse is currently on the maximize/restore button
48e27807 319 */
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320 protected boolean mouseOnMaximize() {
321 if ((flags & NOZOOMBOX) != 0) {
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322 return false;
323 }
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324 if ((mouse != null)
325 && !isModal()
326 && (mouse.getAbsoluteY() == getY())
327 && (mouse.getAbsoluteX() == getX() + getWidth() - 4)
328 ) {
329 return true;
330 }
331 return false;
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332 }
333
78a56d5d 334 /**
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335 * Returns true if the mouse is currently on the resizable lower right
336 * corner.
78a56d5d 337 *
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338 * @return true if the mouse is currently on the resizable lower right
339 * corner
78a56d5d 340 */
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341 protected boolean mouseOnResize() {
342 if (((flags & RESIZABLE) != 0)
343 && !isModal()
344 && (mouse != null)
345 && (mouse.getAbsoluteY() == getY() + getHeight() - 1)
346 && ((mouse.getAbsoluteX() == getX() + getWidth() - 1)
347 || (mouse.getAbsoluteX() == getX() + getWidth() - 2))
348 ) {
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349 return true;
350 }
351 return false;
352 }
353
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354 /**
355 * Subclasses should override this method to perform any user prompting
356 * before they are offscreen. Note that unlike other windowing toolkits,
357 * windows can NOT use this function in some manner to avoid being
358 * closed. This is called by application.closeWindow().
359 */
360 protected void onPreClose() {
361 // Default: do nothing.
362 }
363
68c5cd6b 364 /**
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365 * Subclasses should override this method to cleanup resources. This is
366 * called by application.closeWindow().
68c5cd6b 367 */
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368 protected void onClose() {
369 // Default: perform widget-specific cleanup.
370 for (TWidget w: getChildren()) {
371 w.close();
372 }
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373 }
374
48e27807 375 /**
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376 * Called by application.switchWindow() when this window gets the
377 * focus, and also by application.addWindow().
48e27807 378 */
a69ed767 379 protected void onFocus() {
d36057df 380 // Default: do nothing
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381 }
382
383 /**
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384 * Called by application.switchWindow() when another window gets the
385 * focus.
48e27807 386 */
a69ed767 387 protected void onUnfocus() {
d36057df 388 // Default: do nothing
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389 }
390
391 /**
d36057df 392 * Called by application.hideWindow().
92453213 393 */
a69ed767 394 protected void onHide() {
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395 // Default: do nothing
396 }
397
398 /**
399 * Called by application.showWindow().
400 */
a69ed767 401 protected void onShow() {
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402 // Default: do nothing
403 }
404
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405 /**
406 * Handle mouse button presses.
407 *
408 * @param mouse mouse button event
409 */
410 @Override
411 public void onMouseDown(final TMouseEvent mouse) {
412 this.mouse = mouse;
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413
414 inKeyboardResize = false;
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415 inWindowMove = false;
416 inWindowResize = false;
48e27807 417
fca67db0 418 if ((mouse.getAbsoluteY() == getY())
7c870d89 419 && mouse.isMouse1()
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420 && (getX() <= mouse.getAbsoluteX())
421 && (mouse.getAbsoluteX() < getX() + getWidth())
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422 && !mouseOnClose()
423 && !mouseOnMaximize()
424 ) {
425 // Begin moving window
426 inWindowMove = true;
427 moveWindowMouseX = mouse.getAbsoluteX();
428 moveWindowMouseY = mouse.getAbsoluteY();
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429 oldWindowX = getX();
430 oldWindowY = getY();
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431 if (maximized) {
432 maximized = false;
433 }
434 return;
435 }
436 if (mouseOnResize()) {
437 // Begin window resize
438 inWindowResize = true;
439 moveWindowMouseX = mouse.getAbsoluteX();
440 moveWindowMouseY = mouse.getAbsoluteY();
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441 resizeWindowWidth = getWidth();
442 resizeWindowHeight = getHeight();
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443 if (maximized) {
444 maximized = false;
445 }
446 return;
447 }
448
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449 // Give the shortcut bar a shot at this.
450 if (statusBar != null) {
451 if (statusBar.statusBarMouseDown(mouse)) {
452 return;
453 }
454 }
455
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456 // I didn't take it, pass it on to my children
457 super.onMouseDown(mouse);
458 }
459
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460 /**
461 * Handle mouse button releases.
462 *
463 * @param mouse mouse button release event
464 */
465 @Override
466 public void onMouseUp(final TMouseEvent mouse) {
467 this.mouse = mouse;
48e27807 468
7c870d89 469 if ((inWindowMove) && (mouse.isMouse1())) {
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470 // Stop moving window
471 inWindowMove = false;
472 return;
473 }
474
7c870d89 475 if ((inWindowResize) && (mouse.isMouse1())) {
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476 // Stop resizing window
477 inWindowResize = false;
478 return;
479 }
480
7c870d89 481 if (mouse.isMouse1() && mouseOnClose()) {
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482 if ((flags & HIDEONCLOSE) == 0) {
483 // Close window
484 application.closeWindow(this);
485 } else {
486 // Hide window
487 application.hideWindow(this);
488 }
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489 return;
490 }
491
fca67db0 492 if ((mouse.getAbsoluteY() == getY())
7c870d89 493 && mouse.isMouse1()
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494 && mouseOnMaximize()) {
495 if (maximized) {
496 // Restore
497 restore();
498 } else {
499 // Maximize
500 maximize();
501 }
502 // Pass a resize event to my children
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503 onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
504 getWidth(), getHeight()));
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505 return;
506 }
507
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508 // Give the shortcut bar a shot at this.
509 if (statusBar != null) {
510 if (statusBar.statusBarMouseUp(mouse)) {
511 return;
512 }
513 }
514
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515 // I didn't take it, pass it on to my children
516 super.onMouseUp(mouse);
517 }
518
519 /**
520 * Handle mouse movements.
521 *
522 * @param mouse mouse motion event
523 */
524 @Override
525 public void onMouseMotion(final TMouseEvent mouse) {
526 this.mouse = mouse;
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527
528 if (inWindowMove) {
529 // Move window over
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530 setX(oldWindowX + (mouse.getAbsoluteX() - moveWindowMouseX));
531 setY(oldWindowY + (mouse.getAbsoluteY() - moveWindowMouseY));
48e27807 532 // Don't cover up the menu bar
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533 if (getY() < application.getDesktopTop()) {
534 setY(application.getDesktopTop());
48e27807 535 }
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536 // Don't go below the status bar
537 if (getY() >= application.getDesktopBottom()) {
538 setY(application.getDesktopBottom() - 1);
539 }
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540 return;
541 }
542
543 if (inWindowResize) {
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544 // Do not permit resizing below the status line
545 if (mouse.getAbsoluteY() == application.getDesktopBottom()) {
546 inWindowResize = false;
547 return;
548 }
549
48e27807 550 // Move window over
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551 setWidth(resizeWindowWidth + (mouse.getAbsoluteX()
552 - moveWindowMouseX));
553 setHeight(resizeWindowHeight + (mouse.getAbsoluteY()
554 - moveWindowMouseY));
555 if (getX() + getWidth() > getScreen().getWidth()) {
556 setWidth(getScreen().getWidth() - getX());
48e27807 557 }
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558 if (getY() + getHeight() > application.getDesktopBottom()) {
559 setY(application.getDesktopBottom() - getHeight() + 1);
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560 }
561 // Don't cover up the menu bar
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562 if (getY() < application.getDesktopTop()) {
563 setY(application.getDesktopTop());
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564 }
565
566 // Keep within min/max bounds
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567 if (getWidth() < minimumWindowWidth) {
568 setWidth(minimumWindowWidth);
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569 inWindowResize = false;
570 }
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571 if (getHeight() < minimumWindowHeight) {
572 setHeight(minimumWindowHeight);
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573 inWindowResize = false;
574 }
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575 if ((maximumWindowWidth > 0)
576 && (getWidth() > maximumWindowWidth)
577 ) {
578 setWidth(maximumWindowWidth);
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579 inWindowResize = false;
580 }
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581 if ((maximumWindowHeight > 0)
582 && (getHeight() > maximumWindowHeight)
583 ) {
584 setHeight(maximumWindowHeight);
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585 inWindowResize = false;
586 }
587
588 // Pass a resize event to my children
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589 onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
590 getWidth(), getHeight()));
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591 return;
592 }
593
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594 // Give the shortcut bar a shot at this.
595 if (statusBar != null) {
596 statusBar.statusBarMouseMotion(mouse);
597 }
598
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599 // I didn't take it, pass it on to my children
600 super.onMouseMotion(mouse);
601 }
602
603 /**
604 * Handle keystrokes.
605 *
606 * @param keypress keystroke event
607 */
608 @Override
609 public void onKeypress(final TKeypressEvent keypress) {
610
611 if (inKeyboardResize) {
612
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613 // ESC or ENTER - Exit size/move
614 if (keypress.equals(kbEsc) || keypress.equals(kbEnter)) {
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615 inKeyboardResize = false;
616 }
617
618 if (keypress.equals(kbLeft)) {
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619 if (getX() > 0) {
620 setX(getX() - 1);
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621 }
622 }
623 if (keypress.equals(kbRight)) {
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624 if (getX() < getScreen().getWidth() - 1) {
625 setX(getX() + 1);
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626 }
627 }
628 if (keypress.equals(kbDown)) {
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629 if (getY() < application.getDesktopBottom() - 1) {
630 setY(getY() + 1);
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631 }
632 }
633 if (keypress.equals(kbUp)) {
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634 if (getY() > 1) {
635 setY(getY() - 1);
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636 }
637 }
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638
639 /*
640 * Only permit keyboard resizing if the window was RESIZABLE.
641 */
642 if ((flags & RESIZABLE) != 0) {
643
644 if (keypress.equals(kbShiftLeft)) {
645 if ((getWidth() > minimumWindowWidth)
646 || (minimumWindowWidth <= 0)
647 ) {
648 setWidth(getWidth() - 1);
649 }
48e27807 650 }
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651 if (keypress.equals(kbShiftRight)) {
652 if ((getWidth() < maximumWindowWidth)
653 || (maximumWindowWidth <= 0)
654 ) {
655 setWidth(getWidth() + 1);
656 }
48e27807 657 }
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658 if (keypress.equals(kbShiftUp)) {
659 if ((getHeight() > minimumWindowHeight)
660 || (minimumWindowHeight <= 0)
661 ) {
662 setHeight(getHeight() - 1);
663 }
48e27807 664 }
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665 if (keypress.equals(kbShiftDown)) {
666 if ((getHeight() < maximumWindowHeight)
667 || (maximumWindowHeight <= 0)
668 ) {
669 setHeight(getHeight() + 1);
670 }
48e27807 671 }
48e27807 672
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673 // Pass a resize event to my children
674 onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
675 getWidth(), getHeight()));
676
677 } // if ((flags & RESIZABLE) != 0)
0d47c546 678
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679 return;
680 }
681
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682 // Give the shortcut bar a shot at this.
683 if (statusBar != null) {
684 if (statusBar.statusBarKeypress(keypress)) {
685 return;
686 }
687 }
688
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689 // These keystrokes will typically not be seen unless a subclass
690 // overrides onMenu() due to how TApplication dispatches
691 // accelerators.
692
92453213 693 if (!(this instanceof TDesktop)) {
48e27807 694
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695 // Ctrl-W - close window
696 if (keypress.equals(kbCtrlW)) {
78a56d5d 697 if ((flags & NOCLOSEBOX) == 0) {
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698 if ((flags & HIDEONCLOSE) == 0) {
699 // Close window
700 application.closeWindow(this);
701 } else {
702 // Hide window
703 application.hideWindow(this);
704 }
78a56d5d 705 }
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706 return;
707 }
48e27807 708
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709 // F6 - behave like Alt-TAB
710 if (keypress.equals(kbF6)) {
711 application.switchWindow(true);
712 return;
713 }
48e27807 714
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715 // Shift-F6 - behave like Shift-Alt-TAB
716 if (keypress.equals(kbShiftF6)) {
717 application.switchWindow(false);
718 return;
48e27807 719 }
48e27807 720
92453213 721 // F5 - zoom
68c5cd6b 722 if (keypress.equals(kbF5) && ((flags & NOZOOMBOX) == 0)) {
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723 if (maximized) {
724 restore();
725 } else {
726 maximize();
727 }
728 }
729
730 // Ctrl-F5 - size/move
731 if (keypress.equals(kbCtrlF5)) {
732 inKeyboardResize = !inKeyboardResize;
733 }
734
735 } // if (!(this instanceof TDesktop))
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736
737 // I didn't take it, pass it on to my children
738 super.onKeypress(keypress);
739 }
740
741 /**
742 * Handle posted command events.
743 *
744 * @param command command event
745 */
746 @Override
747 public void onCommand(final TCommandEvent command) {
748
749 // These commands will typically not be seen unless a subclass
750 // overrides onMenu() due to how TApplication dispatches
751 // accelerators.
752
92453213 753 if (!(this instanceof TDesktop)) {
48e27807 754
92453213 755 if (command.equals(cmWindowClose)) {
78a56d5d 756 if ((flags & NOCLOSEBOX) == 0) {
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757 if ((flags & HIDEONCLOSE) == 0) {
758 // Close window
759 application.closeWindow(this);
760 } else {
761 // Hide window
762 application.hideWindow(this);
763 }
78a56d5d 764 }
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765 return;
766 }
48e27807 767
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768 if (command.equals(cmWindowNext)) {
769 application.switchWindow(true);
770 return;
771 }
48e27807 772
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773 if (command.equals(cmWindowPrevious)) {
774 application.switchWindow(false);
775 return;
776 }
48e27807 777
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778 if (command.equals(cmWindowMove)) {
779 inKeyboardResize = true;
780 return;
781 }
782
68c5cd6b 783 if (command.equals(cmWindowZoom) && ((flags & NOZOOMBOX) == 0)) {
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784 if (maximized) {
785 restore();
786 } else {
787 maximize();
788 }
48e27807 789 }
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790
791 } // if (!(this instanceof TDesktop))
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792
793 // I didn't take it, pass it on to my children
794 super.onCommand(command);
795 }
796
797 /**
798 * Handle posted menu events.
799 *
800 * @param menu menu event
801 */
802 @Override
803 public void onMenu(final TMenuEvent menu) {
48e27807 804
92453213 805 if (!(this instanceof TDesktop)) {
48e27807 806
92453213 807 if (menu.getId() == TMenu.MID_WINDOW_CLOSE) {
78a56d5d 808 if ((flags & NOCLOSEBOX) == 0) {
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809 if ((flags & HIDEONCLOSE) == 0) {
810 // Close window
811 application.closeWindow(this);
812 } else {
813 // Hide window
814 application.hideWindow(this);
815 }
78a56d5d 816 }
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817 return;
818 }
48e27807 819
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820 if (menu.getId() == TMenu.MID_WINDOW_NEXT) {
821 application.switchWindow(true);
822 return;
823 }
48e27807 824
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825 if (menu.getId() == TMenu.MID_WINDOW_PREVIOUS) {
826 application.switchWindow(false);
827 return;
48e27807 828 }
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829
830 if (menu.getId() == TMenu.MID_WINDOW_MOVE) {
831 inKeyboardResize = true;
832 return;
833 }
834
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835 if ((menu.getId() == TMenu.MID_WINDOW_ZOOM)
836 && ((flags & NOZOOMBOX) == 0)
837 ) {
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838 if (maximized) {
839 restore();
840 } else {
841 maximize();
842 }
843 return;
844 }
845
846 } // if (!(this instanceof TDesktop))
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847
848 // I didn't take it, pass it on to my children
849 super.onMenu(menu);
850 }
851
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852 /**
853 * Method that subclasses can override to handle window/screen resize
854 * events.
855 *
856 * @param resize resize event
857 */
858 @Override
859 public void onResize(final TResizeEvent resize) {
860 if (resize.getType() == TResizeEvent.Type.WIDGET) {
861 if (getChildren().size() == 1) {
862 TWidget child = getChildren().get(0);
863 if ((child instanceof TSplitPane)
864 || (child instanceof TPanel)
865 ) {
866 child.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
867 resize.getWidth() - 2, resize.getHeight() - 2));
868 }
869 return;
870 }
871 }
872
873 // Pass on to TWidget.
874 super.onResize(resize);
875 }
876
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877 // ------------------------------------------------------------------------
878 // TWidget ----------------------------------------------------------------
879 // ------------------------------------------------------------------------
880
881 /**
882 * Get this TWindow's parent TApplication.
883 *
884 * @return this TWindow's parent TApplication
885 */
886 @Override
887 public final TApplication getApplication() {
888 return application;
889 }
890
891 /**
892 * Get the Screen.
893 *
894 * @return the Screen
895 */
896 @Override
897 public final Screen getScreen() {
898 return application.getScreen();
899 }
900
901 /**
902 * Called by TApplication.drawChildren() to render on screen.
903 */
904 @Override
905 public void draw() {
906 // Draw the box and background first.
907 CellAttributes border = getBorder();
908 CellAttributes background = getBackground();
909 int borderType = getBorderType();
910
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911 drawBox(0, 0, getWidth(), getHeight(), border, background, borderType,
912 true);
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913
914 // Draw the title
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915 int titleLength = StringUtils.width(title);
916 int titleLeft = (getWidth() - titleLength - 2) / 2;
d36057df 917 putCharXY(titleLeft, 0, ' ', border);
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918 putStringXY(titleLeft + 1, 0, title, border);
919 putCharXY(titleLeft + titleLength + 1, 0, ' ', border);
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920
921 if (isActive()) {
922
923 // Draw the close button
924 if ((flags & NOCLOSEBOX) == 0) {
925 putCharXY(2, 0, '[', border);
926 putCharXY(4, 0, ']', border);
927 if (mouseOnClose() && mouse.isMouse1()) {
928 putCharXY(3, 0, GraphicsChars.CP437[0x0F],
929 getBorderControls());
930 } else {
931 putCharXY(3, 0, GraphicsChars.CP437[0xFE],
932 getBorderControls());
933 }
934 }
935
936 // Draw the maximize button
937 if (!isModal() && ((flags & NOZOOMBOX) == 0)) {
938
939 putCharXY(getWidth() - 5, 0, '[', border);
940 putCharXY(getWidth() - 3, 0, ']', border);
941 if (mouseOnMaximize() && mouse.isMouse1()) {
942 putCharXY(getWidth() - 4, 0, GraphicsChars.CP437[0x0F],
943 getBorderControls());
944 } else {
945 if (maximized) {
946 putCharXY(getWidth() - 4, 0, GraphicsChars.CP437[0x12],
947 getBorderControls());
948 } else {
949 putCharXY(getWidth() - 4, 0, GraphicsChars.UPARROW,
950 getBorderControls());
951 }
952 }
953
954 // Draw the resize corner
955 if ((flags & RESIZABLE) != 0) {
956 putCharXY(getWidth() - 2, getHeight() - 1,
957 GraphicsChars.SINGLE_BAR, getBorderControls());
958 putCharXY(getWidth() - 1, getHeight() - 1,
959 GraphicsChars.LRCORNER, getBorderControls());
960 }
961 }
962 }
963 }
964
965 // ------------------------------------------------------------------------
966 // TWindow ----------------------------------------------------------------
967 // ------------------------------------------------------------------------
968
969 /**
970 * Get window title.
971 *
972 * @return window title
973 */
974 public final String getTitle() {
975 return title;
976 }
977
978 /**
979 * Set window title.
980 *
981 * @param title new window title
982 */
983 public final void setTitle(final String title) {
984 this.title = title;
985 }
986
987 /**
988 * Get Z order. Lower number means more in-front.
989 *
990 * @return Z value. Lower number means more in-front.
991 */
992 public final int getZ() {
993 return z;
994 }
995
996 /**
997 * Set Z order. Lower number means more in-front.
998 *
999 * @param z the new Z value. Lower number means more in-front.
1000 */
1001 public final void setZ(final int z) {
1002 this.z = z;
1003 }
1004
1005 /**
1006 * Add a keypress to be overridden for this window.
1007 *
1008 * @param key the key to start taking control of
1009 */
1010 protected void addShortcutKeypress(final TKeypress key) {
1011 keyboardShortcuts.add(key);
1012 }
1013
1014 /**
1015 * Remove a keypress to be overridden for this window.
1016 *
1017 * @param key the key to stop taking control of
1018 */
1019 protected void removeShortcutKeypress(final TKeypress key) {
1020 keyboardShortcuts.remove(key);
1021 }
1022
1023 /**
1024 * Remove all keypresses to be overridden for this window.
1025 */
1026 protected void clearShortcutKeypresses() {
1027 keyboardShortcuts.clear();
1028 }
1029
1030 /**
1031 * Determine if a keypress is overridden for this window.
1032 *
1033 * @param key the key to check
1034 * @return true if this window wants to process this key on its own
1035 */
1036 public boolean isShortcutKeypress(final TKeypress key) {
1037 return keyboardShortcuts.contains(key);
1038 }
1039
1040 /**
1041 * Get the window's status bar, or null if it does not have one.
1042 *
1043 * @return the status bar, or null
1044 */
1045 public TStatusBar getStatusBar() {
1046 return statusBar;
1047 }
1048
1049 /**
1050 * Set the window's status bar to a new one.
1051 *
1052 * @param text the status bar text
1053 * @return the status bar
1054 */
1055 public TStatusBar newStatusBar(final String text) {
1056 statusBar = new TStatusBar(this, text);
1057 return statusBar;
1058 }
1059
1060 /**
1061 * Set the maximum width for this window.
1062 *
1063 * @param maximumWindowWidth new maximum width
1064 */
1065 public final void setMaximumWindowWidth(final int maximumWindowWidth) {
1066 if ((maximumWindowWidth != -1)
1067 && (maximumWindowWidth < minimumWindowWidth + 1)
1068 ) {
1069 throw new IllegalArgumentException("Maximum window width cannot " +
1070 "be smaller than minimum window width + 1");
1071 }
1072 this.maximumWindowWidth = maximumWindowWidth;
1073 }
1074
1075 /**
1076 * Set the minimum width for this window.
1077 *
1078 * @param minimumWindowWidth new minimum width
1079 */
1080 public final void setMinimumWindowWidth(final int minimumWindowWidth) {
1081 if ((maximumWindowWidth != -1)
1082 && (minimumWindowWidth > maximumWindowWidth - 1)
1083 ) {
1084 throw new IllegalArgumentException("Minimum window width cannot " +
1085 "be larger than maximum window width - 1");
1086 }
1087 this.minimumWindowWidth = minimumWindowWidth;
1088 }
1089
1090 /**
1091 * Set the maximum height for this window.
1092 *
1093 * @param maximumWindowHeight new maximum height
1094 */
1095 public final void setMaximumWindowHeight(final int maximumWindowHeight) {
1096 if ((maximumWindowHeight != -1)
1097 && (maximumWindowHeight < minimumWindowHeight + 1)
1098 ) {
1099 throw new IllegalArgumentException("Maximum window height cannot " +
1100 "be smaller than minimum window height + 1");
1101 }
1102 this.maximumWindowHeight = maximumWindowHeight;
1103 }
1104
1105 /**
1106 * Set the minimum height for this window.
1107 *
1108 * @param minimumWindowHeight new minimum height
1109 */
1110 public final void setMinimumWindowHeight(final int minimumWindowHeight) {
1111 if ((maximumWindowHeight != -1)
1112 && (minimumWindowHeight > maximumWindowHeight - 1)
1113 ) {
1114 throw new IllegalArgumentException("Minimum window height cannot " +
1115 "be larger than maximum window height - 1");
1116 }
1117 this.minimumWindowHeight = minimumWindowHeight;
1118 }
1119
1120 /**
1121 * Recenter the window on-screen.
1122 */
1123 public final void center() {
1124 if ((flags & CENTERED) != 0) {
1125 if (getWidth() < getScreen().getWidth()) {
1126 setX((getScreen().getWidth() - getWidth()) / 2);
1127 } else {
1128 setX(0);
1129 }
1130 setY(((application.getDesktopBottom()
1131 - application.getDesktopTop()) - getHeight()) / 2);
1132 if (getY() < 0) {
1133 setY(0);
1134 }
1135 setY(getY() + application.getDesktopTop());
1136 }
1137 }
1138
1139 /**
1140 * Maximize window.
1141 */
1142 public void maximize() {
1143 if (maximized) {
1144 return;
1145 }
1146
1147 restoreWindowWidth = getWidth();
1148 restoreWindowHeight = getHeight();
1149 restoreWindowX = getX();
1150 restoreWindowY = getY();
1151 setWidth(getScreen().getWidth());
2bb26984 1152 setHeight(application.getDesktopBottom() - application.getDesktopTop());
d36057df 1153 setX(0);
2bb26984 1154 setY(application.getDesktopTop());
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1155 maximized = true;
1156
1157 onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
1158 getHeight()));
1159 }
1160
1161 /**
1162 * Restore (unmaximize) window.
1163 */
1164 public void restore() {
1165 if (!maximized) {
1166 return;
1167 }
1168
1169 setWidth(restoreWindowWidth);
1170 setHeight(restoreWindowHeight);
1171 setX(restoreWindowX);
1172 setY(restoreWindowY);
1173 maximized = false;
1174
1175 onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
1176 getHeight()));
1177 }
1178
1179 /**
1180 * Returns true if this window is hidden.
1181 *
1182 * @return true if this window is hidden, false if the window is shown
1183 */
1184 public final boolean isHidden() {
1185 return hidden;
1186 }
1187
1188 /**
1189 * Returns true if this window is shown.
1190 *
1191 * @return true if this window is shown, false if the window is hidden
1192 */
1193 public final boolean isShown() {
1194 return !hidden;
1195 }
1196
1197 /**
1198 * Hide window. A hidden window will still have its onIdle() called, and
1199 * will also have onClose() called at application exit. Hidden windows
1200 * will not receive any other events.
1201 */
1202 public void hide() {
1203 application.hideWindow(this);
1204 }
1205
1206 /**
1207 * Show window.
1208 */
1209 public void show() {
1210 application.showWindow(this);
1211 }
1212
1213 /**
1214 * Activate window (bring to top and receive events).
1215 */
5218e73c 1216 @Override
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1217 public void activate() {
1218 application.activateWindow(this);
1219 }
1220
1221 /**
1222 * Close window. Note that windows without a close box can still be
1223 * closed by calling the close() method.
1224 */
c88c4ced 1225 @Override
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1226 public void close() {
1227 application.closeWindow(this);
1228 }
1229
1230 /**
1231 * See if this window is undergoing any movement/resize/etc.
1232 *
1233 * @return true if the window is moving
1234 */
1235 public boolean inMovements() {
1236 if (inWindowResize || inWindowMove || inKeyboardResize) {
1237 return true;
1238 }
1239 return false;
1240 }
1241
1242 /**
1243 * Stop any pending movement/resize/etc.
1244 */
1245 public void stopMovements() {
1246 inWindowResize = false;
1247 inWindowMove = false;
1248 inKeyboardResize = false;
1249 }
1250
1251 /**
1252 * Returns true if this window is modal.
1253 *
1254 * @return true if this window is modal
1255 */
1256 public final boolean isModal() {
1257 if ((flags & MODAL) == 0) {
1258 return false;
1259 }
1260 return true;
1261 }
1262
1263 /**
1264 * Returns true if this window has a close box.
1265 *
1266 * @return true if this window has a close box
1267 */
1268 public final boolean hasCloseBox() {
1269 if ((flags & NOCLOSEBOX) != 0) {
1270 return true;
1271 }
1272 return false;
1273 }
1274
1275 /**
1276 * Returns true if this window has a maximize/zoom box.
1277 *
1278 * @return true if this window has a maximize/zoom box
1279 */
1280 public final boolean hasZoomBox() {
1281 if ((flags & NOZOOMBOX) != 0) {
1282 return true;
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1283 }
1284 return false;
1285 }
1286
1287 /**
1288 * Returns true if this window does not want menus to work while it is
1289 * visible.
1290 *
1291 * @return true if this window does not want menus to work while it is
1292 * visible
1293 */
1294 public final boolean hasOverriddenMenu() {
1295 if ((flags & OVERRIDEMENU) != 0) {
1296 return true;
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1297 }
1298 return false;
1299 }
1300
1301 /**
1302 * Retrieve the background color.
1303 *
1304 * @return the background color
1305 */
1306 public CellAttributes getBackground() {
1307 if (!isModal()
1308 && (inWindowMove || inWindowResize || inKeyboardResize)
1309 ) {
1310 assert (isActive());
1311 return getTheme().getColor("twindow.background.windowmove");
1312 } else if (isModal() && inWindowMove) {
1313 assert (isActive());
1314 return getTheme().getColor("twindow.background.modal");
1315 } else if (isModal()) {
1316 if (isActive()) {
1317 return getTheme().getColor("twindow.background.modal");
1318 }
1319 return getTheme().getColor("twindow.background.modal.inactive");
1320 } else if (isActive()) {
1321 assert (!isModal());
1322 return getTheme().getColor("twindow.background");
1323 } else {
1324 assert (!isModal());
1325 return getTheme().getColor("twindow.background.inactive");
1326 }
1327 }
1328
1329 /**
1330 * Retrieve the border color.
1331 *
1332 * @return the border color
1333 */
1334 public CellAttributes getBorder() {
1335 if (!isModal()
1336 && (inWindowMove || inWindowResize || inKeyboardResize)
1337 ) {
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1338 if (!isActive()) {
1339 // The user's terminal never passed a mouse up event, and now
1340 // another window is active but we never finished a drag.
1341 inWindowMove = false;
1342 inWindowResize = false;
1343 inKeyboardResize = false;
1344 return getTheme().getColor("twindow.border.inactive");
1345 }
1346
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1347 return getTheme().getColor("twindow.border.windowmove");
1348 } else if (isModal() && inWindowMove) {
1349 assert (isActive());
1350 return getTheme().getColor("twindow.border.modal.windowmove");
1351 } else if (isModal()) {
1352 if (isActive()) {
1353 return getTheme().getColor("twindow.border.modal");
1354 } else {
1355 return getTheme().getColor("twindow.border.modal.inactive");
1356 }
1357 } else if (isActive()) {
1358 assert (!isModal());
1359 return getTheme().getColor("twindow.border");
1360 } else {
1361 assert (!isModal());
1362 return getTheme().getColor("twindow.border.inactive");
1363 }
1364 }
1365
1366 /**
1367 * Retrieve the color used by the window movement/sizing controls.
1368 *
1369 * @return the color used by the zoom box, resize bar, and close box
1370 */
1371 public CellAttributes getBorderControls() {
1372 if (isModal()) {
1373 return getTheme().getColor("twindow.border.modal.windowmove");
1374 }
1375 return getTheme().getColor("twindow.border.windowmove");
1376 }
1377
1378 /**
1379 * Retrieve the border line type.
1380 *
1381 * @return the border line type
1382 */
1383 private int getBorderType() {
1384 if (!isModal()
1385 && (inWindowMove || inWindowResize || inKeyboardResize)
1386 ) {
1387 assert (isActive());
1388 return 1;
1389 } else if (isModal() && inWindowMove) {
1390 assert (isActive());
1391 return 1;
1392 } else if (isModal()) {
1393 if (isActive()) {
1394 return 2;
1395 } else {
1396 return 1;
1397 }
1398 } else if (isActive()) {
1399 return 2;
1400 } else {
1401 return 1;
1402 }
1403 }
1404
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1405 /**
1406 * Returns true if this window does not want the application-wide mouse
1407 * cursor drawn over it.
1408 *
1409 * @return true if this window does not want the application-wide mouse
1410 * cursor drawn over it
1411 */
80b1b7b5 1412 public boolean hasHiddenMouse() {
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1413 return hideMouse;
1414 }
1415
1416 /**
1417 * Set request to prevent the application-wide mouse cursor from being
1418 * drawn over this window.
1419 *
1420 * @param hideMouse if true, this window does not want the
1421 * application-wide mouse cursor drawn over it
1422 */
1423 public final void setHiddenMouse(final boolean hideMouse) {
1424 this.hideMouse = hideMouse;
1425 }
1426
48e27807 1427}