1 |
|
|
/* |
2 |
|
|
* The ManaPlus Client |
3 |
|
|
* Copyright (C) 2004-2009 The Mana World Development Team |
4 |
|
|
* Copyright (C) 2009-2010 The Mana Developers |
5 |
|
|
* Copyright (C) 2011-2019 The ManaPlus Developers |
6 |
|
|
* Copyright (C) 2019-2021 Andrei Karas |
7 |
|
|
* |
8 |
|
|
* This file is part of The ManaPlus Client. |
9 |
|
|
* |
10 |
|
|
* This program is free software; you can redistribute it and/or modify |
11 |
|
|
* it under the terms of the GNU General Public License as published by |
12 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
13 |
|
|
* any later version. |
14 |
|
|
* |
15 |
|
|
* This program is distributed in the hope that it will be useful, |
16 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 |
|
|
* GNU General Public License for more details. |
19 |
|
|
* |
20 |
|
|
* You should have received a copy of the GNU General Public License |
21 |
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
22 |
|
|
*/ |
23 |
|
|
|
24 |
|
|
/* _______ __ __ __ ______ __ __ _______ __ __ |
25 |
|
|
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ |
26 |
|
|
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / |
27 |
|
|
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / |
28 |
|
|
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / |
29 |
|
|
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / |
30 |
|
|
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ |
31 |
|
|
* |
32 |
|
|
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson |
33 |
|
|
* |
34 |
|
|
* |
35 |
|
|
* Per Larsson a.k.a finalman |
36 |
|
|
* Olof Naessén a.k.a jansem/yakslem |
37 |
|
|
* |
38 |
|
|
* Visit: http://guichan.sourceforge.net |
39 |
|
|
* |
40 |
|
|
* License: (BSD) |
41 |
|
|
* Redistribution and use in source and binary forms, with or without |
42 |
|
|
* modification, are permitted provided that the following conditions |
43 |
|
|
* are met: |
44 |
|
|
* 1. Redistributions of source code must retain the above copyright |
45 |
|
|
* notice, this list of conditions and the following disclaimer. |
46 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
47 |
|
|
* notice, this list of conditions and the following disclaimer in |
48 |
|
|
* the documentation and/or other materials provided with the |
49 |
|
|
* distribution. |
50 |
|
|
* 3. Neither the name of Guichan nor the names of its contributors may |
51 |
|
|
* be used to endorse or promote products derived from this software |
52 |
|
|
* without specific prior written permission. |
53 |
|
|
* |
54 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
55 |
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
56 |
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
57 |
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
58 |
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
59 |
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
60 |
|
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
61 |
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
62 |
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
63 |
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
64 |
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
65 |
|
|
*/ |
66 |
|
|
|
67 |
|
|
#include "gui/widgets/listbox.h" |
68 |
|
|
|
69 |
|
|
#include "settings.h" |
70 |
|
|
|
71 |
|
|
#include "gui/focushandler.h" |
72 |
|
|
#include "gui/gui.h" |
73 |
|
|
#include "gui/skin.h" |
74 |
|
|
|
75 |
|
|
#include "gui/fonts/font.h" |
76 |
|
|
|
77 |
|
|
#include "gui/models/listmodel.h" |
78 |
|
|
|
79 |
|
|
#include "listeners/selectionlistener.h" |
80 |
|
|
|
81 |
|
|
#include "utils/foreach.h" |
82 |
|
|
|
83 |
|
|
#include "render/graphics.h" |
84 |
|
|
|
85 |
|
|
#include "debug.h" |
86 |
|
|
|
87 |
|
|
float ListBox::mAlpha = 1.0; |
88 |
|
|
|
89 |
|
126 |
ListBox::ListBox(const Widget2 *const widget, |
90 |
|
|
ListModel *const listModel, |
91 |
|
126 |
const std::string &skin) : |
92 |
|
|
Widget(widget), |
93 |
|
|
MouseListener(), |
94 |
|
|
KeyListener(), |
95 |
|
|
mSelected(-1), |
96 |
|
|
mListModel(listModel), |
97 |
|
|
mWrappingEnabled(false), |
98 |
|
|
mSelectionListeners(), |
99 |
|
252 |
mHighlightColor(getThemeColor(ThemeColorId::HIGHLIGHT, 255U)), |
100 |
|
|
mForegroundSelectedColor(getThemeColor(ThemeColorId::LISTBOX_SELECTED, |
101 |
|
252 |
255U)), |
102 |
|
|
mForegroundSelectedColor2(getThemeColor( |
103 |
|
252 |
ThemeColorId::LISTBOX_SELECTED_OUTLINE, 255U)), |
104 |
|
|
mOldSelected(-1), |
105 |
|
|
mPadding(0), |
106 |
|
|
mPressedIndex(-2), |
107 |
|
|
mRowHeight(0), |
108 |
|
|
mItemPadding(1), |
109 |
|
|
mSkin(nullptr), |
110 |
|
|
mDistributeMousePressed(true), |
111 |
|
882 |
mCenterText(false) |
112 |
|
|
{ |
113 |
✓✗ |
126 |
setWidth(100); |
114 |
✓✗ |
126 |
setFocusable(true); |
115 |
✓✗ |
126 |
addMouseListener(this); |
116 |
✓✗ |
126 |
addKeyListener(this); |
117 |
|
|
|
118 |
|
252 |
mForegroundColor = getThemeColor(ThemeColorId::LISTBOX, 255U); |
119 |
|
252 |
mForegroundColor2 = getThemeColor(ThemeColorId::LISTBOX_OUTLINE, 255U); |
120 |
|
|
|
121 |
✓✗ |
126 |
if (theme != nullptr) |
122 |
|
|
{ |
123 |
✓✗✓✗
|
504 |
mSkin = theme->load(skin, |
124 |
|
|
"listbox.xml", |
125 |
|
|
true, |
126 |
|
126 |
Theme::getThemePath()); |
127 |
|
|
} |
128 |
|
|
|
129 |
✓✗ |
126 |
if (mSkin != nullptr) |
130 |
|
|
{ |
131 |
|
252 |
mPadding = mSkin->getPadding(); |
132 |
✓✗✓✗
|
504 |
mItemPadding = mSkin->getOption("itemPadding"); |
133 |
|
|
} |
134 |
|
|
|
135 |
✓✗ |
126 |
const Font *const font = getFont(); |
136 |
|
126 |
mRowHeight = CAST_U32( |
137 |
✓✗ |
126 |
font->getHeight() + 2 * mItemPadding); |
138 |
|
126 |
} |
139 |
|
|
|
140 |
|
126 |
void ListBox::postInit() |
141 |
|
|
{ |
142 |
|
126 |
adjustSize(); |
143 |
|
126 |
} |
144 |
|
|
|
145 |
|
733 |
ListBox::~ListBox() |
146 |
|
|
{ |
147 |
✓✗ |
126 |
if (gui != nullptr) |
148 |
|
126 |
gui->removeDragged(this); |
149 |
|
|
|
150 |
✓✗ |
126 |
if (theme != nullptr) |
151 |
|
126 |
theme->unload(mSkin); |
152 |
|
229 |
} |
153 |
|
|
|
154 |
|
2 |
void ListBox::updateAlpha() |
155 |
|
|
{ |
156 |
|
|
const float alpha = std::max(settings.guiAlpha, |
157 |
|
12 |
theme->getMinimumOpacity()); |
158 |
|
|
|
159 |
✗✓✗✓
|
4 |
if (mAlpha != alpha) |
160 |
|
|
mAlpha = alpha; |
161 |
|
2 |
} |
162 |
|
|
|
163 |
|
2 |
void ListBox::draw(Graphics *const graphics) |
164 |
|
|
{ |
165 |
✓✗ |
2 |
if (mListModel == nullptr) |
166 |
|
|
return; |
167 |
|
|
|
168 |
|
|
BLOCK_START("ListBox::draw") |
169 |
|
2 |
updateAlpha(); |
170 |
|
|
|
171 |
|
2 |
mHighlightColor.a = CAST_U32(mAlpha * 255.0F); |
172 |
|
2 |
graphics->setColor(mHighlightColor); |
173 |
|
2 |
Font *const font = getFont(); |
174 |
|
2 |
const int rowHeight = CAST_S32(getRowHeight()); |
175 |
|
2 |
const int width = mDimension.width; |
176 |
|
|
|
177 |
✗✓ |
2 |
if (mCenterText) |
178 |
|
|
{ |
179 |
|
|
// Draw filled rectangle around the selected list element |
180 |
|
|
if (mSelected >= 0) |
181 |
|
|
{ |
182 |
|
|
graphics->fillRectangle(Rect(mPadding, |
183 |
|
|
rowHeight * mSelected + mPadding, |
184 |
|
|
mDimension.width - 2 * mPadding, rowHeight)); |
185 |
|
|
|
186 |
|
|
const std::string str = mListModel->getElementAt(mSelected); |
187 |
|
|
font->drawString(graphics, |
188 |
|
|
mForegroundSelectedColor, |
189 |
|
|
mForegroundSelectedColor2, |
190 |
|
|
str, |
191 |
|
|
(width - font->getWidth(str)) / 2, |
192 |
|
|
mSelected * rowHeight + mPadding + mItemPadding); |
193 |
|
|
} |
194 |
|
|
// Draw the list elements |
195 |
|
|
const int sz = mListModel->getNumberOfElements(); |
196 |
|
|
for (int i = 0, y = mPadding + mItemPadding; |
197 |
|
|
i < sz; ++i, y += rowHeight) |
198 |
|
|
{ |
199 |
|
|
if (i != mSelected) |
200 |
|
|
{ |
201 |
|
|
const std::string str = mListModel->getElementAt(i); |
202 |
|
|
font->drawString(graphics, |
203 |
|
|
mForegroundColor, |
204 |
|
|
mForegroundColor2, |
205 |
|
|
str, |
206 |
|
|
(width - font->getWidth(str)) / 2, y); |
207 |
|
|
} |
208 |
|
|
} |
209 |
|
|
} |
210 |
|
|
else |
211 |
|
|
{ |
212 |
|
|
// Draw filled rectangle around the selected list element |
213 |
✗✓ |
2 |
if (mSelected >= 0) |
214 |
|
|
{ |
215 |
|
|
graphics->fillRectangle(Rect(mPadding, |
216 |
|
|
rowHeight * mSelected + mPadding, |
217 |
|
|
mDimension.width - 2 * mPadding, rowHeight)); |
218 |
|
|
|
219 |
|
|
const std::string str = mListModel->getElementAt(mSelected); |
220 |
|
|
font->drawString(graphics, |
221 |
|
|
mForegroundSelectedColor, |
222 |
|
|
mForegroundSelectedColor2, |
223 |
|
|
str, |
224 |
|
|
mPadding, |
225 |
|
|
mSelected * rowHeight + mPadding + mItemPadding); |
226 |
|
|
} |
227 |
|
|
// Draw the list elements |
228 |
|
2 |
const int sz = mListModel->getNumberOfElements(); |
229 |
✗✓ |
2 |
for (int i = 0, y = mPadding + mItemPadding; i < sz; |
230 |
|
|
++i, y += rowHeight) |
231 |
|
|
{ |
232 |
|
|
if (i != mSelected) |
233 |
|
|
{ |
234 |
|
|
const std::string str = mListModel->getElementAt(i); |
235 |
|
|
font->drawString(graphics, |
236 |
|
|
mForegroundColor, |
237 |
|
|
mForegroundColor2, |
238 |
|
|
str, |
239 |
|
|
mPadding, y); |
240 |
|
|
} |
241 |
|
|
} |
242 |
|
|
} |
243 |
|
|
BLOCK_END("ListBox::draw") |
244 |
|
|
} |
245 |
|
|
|
246 |
|
|
void ListBox::keyPressed(KeyEvent &event) |
247 |
|
|
{ |
248 |
|
|
const InputActionT action = event.getActionId(); |
249 |
|
|
if (action == InputAction::GUI_SELECT) |
250 |
|
|
{ |
251 |
|
|
distributeActionEvent(); |
252 |
|
|
event.consume(); |
253 |
|
|
} |
254 |
|
|
else if (action == InputAction::GUI_UP) |
255 |
|
|
{ |
256 |
|
|
if (mSelected > 0) |
257 |
|
|
{ |
258 |
|
|
setSelected(mSelected - 1); |
259 |
|
|
} |
260 |
|
|
else if (mSelected == 0 && |
261 |
|
|
mWrappingEnabled && |
262 |
|
|
getListModel() != nullptr) |
263 |
|
|
{ |
264 |
|
|
setSelected(getListModel()->getNumberOfElements() - 1); |
265 |
|
|
} |
266 |
|
|
event.consume(); |
267 |
|
|
} |
268 |
|
|
else if (action == InputAction::GUI_DOWN) |
269 |
|
|
{ |
270 |
|
|
const int num = getListModel()->getNumberOfElements() - 1; |
271 |
|
|
if (mSelected < num) |
272 |
|
|
setSelected(mSelected + 1); |
273 |
|
|
else if (mSelected == num && mWrappingEnabled) |
274 |
|
|
setSelected(0); |
275 |
|
|
event.consume(); |
276 |
|
|
} |
277 |
|
|
else if (action == InputAction::GUI_HOME) |
278 |
|
|
{ |
279 |
|
|
setSelected(0); |
280 |
|
|
event.consume(); |
281 |
|
|
} |
282 |
|
|
else if (action == InputAction::GUI_END && (getListModel() != nullptr)) |
283 |
|
|
{ |
284 |
|
|
setSelected(getListModel()->getNumberOfElements() - 1); |
285 |
|
|
event.consume(); |
286 |
|
|
} |
287 |
|
|
} |
288 |
|
|
|
289 |
|
|
void ListBox::safeDraw(Graphics *const graphics) |
290 |
|
|
{ |
291 |
|
|
ListBox::draw(graphics); |
292 |
|
|
} |
293 |
|
|
|
294 |
|
|
// Don't do anything on scrollwheel. ScrollArea will deal with that. |
295 |
|
|
|
296 |
|
|
void ListBox::mouseWheelMovedUp(MouseEvent &event A_UNUSED) |
297 |
|
|
{ |
298 |
|
|
} |
299 |
|
|
|
300 |
|
|
void ListBox::mouseWheelMovedDown(MouseEvent &event A_UNUSED) |
301 |
|
|
{ |
302 |
|
|
} |
303 |
|
|
|
304 |
|
|
void ListBox::mousePressed(MouseEvent &event) |
305 |
|
|
{ |
306 |
|
|
mPressedIndex = getSelectionByMouse(event.getY()); |
307 |
|
|
if (mMouseConsume && mPressedIndex != -1) |
308 |
|
|
event.consume(); |
309 |
|
|
} |
310 |
|
|
|
311 |
|
|
void ListBox::mouseReleased(MouseEvent &event) |
312 |
|
|
{ |
313 |
|
|
if (mPressedIndex != getSelectionByMouse(event.getY())) |
314 |
|
|
return; |
315 |
|
|
|
316 |
|
|
if (mDistributeMousePressed) |
317 |
|
|
{ |
318 |
|
|
mouseReleased1(event); |
319 |
|
|
} |
320 |
|
|
else |
321 |
|
|
{ |
322 |
|
|
switch (event.getClickCount()) |
323 |
|
|
{ |
324 |
|
|
case 1: |
325 |
|
|
mouseDragged(event); |
326 |
|
|
mOldSelected = mSelected; |
327 |
|
|
break; |
328 |
|
|
case 2: |
329 |
|
|
if (gui != nullptr) |
330 |
|
|
gui->resetClickCount(); |
331 |
|
|
if (mOldSelected == mSelected) |
332 |
|
|
mouseReleased1(event); |
333 |
|
|
else |
334 |
|
|
mouseDragged(event); |
335 |
|
|
mOldSelected = mSelected; |
336 |
|
|
break; |
337 |
|
|
default: |
338 |
|
|
mouseDragged(event); |
339 |
|
|
mOldSelected = mSelected; |
340 |
|
|
break; |
341 |
|
|
} |
342 |
|
|
} |
343 |
|
|
mPressedIndex = -2; |
344 |
|
|
} |
345 |
|
|
|
346 |
|
|
void ListBox::mouseReleased1(const MouseEvent &event) |
347 |
|
|
{ |
348 |
|
|
if (event.getButton() == MouseButton::LEFT) |
349 |
|
|
{ |
350 |
|
|
setSelected(std::max(0, getSelectionByMouse(event.getY()))); |
351 |
|
|
distributeActionEvent(); |
352 |
|
|
} |
353 |
|
|
} |
354 |
|
|
|
355 |
|
|
void ListBox::mouseDragged(MouseEvent &event) |
356 |
|
|
{ |
357 |
|
|
if (event.getButton() != MouseButton::LEFT || getRowHeight() == 0) |
358 |
|
|
return; |
359 |
|
|
|
360 |
|
|
// Make list selection update on drag, but guard against negative y |
361 |
|
|
if (getRowHeight() != 0U) |
362 |
|
|
setSelected(std::max(0, getSelectionByMouse(event.getY()))); |
363 |
|
|
} |
364 |
|
|
|
365 |
|
|
void ListBox::refocus() |
366 |
|
|
{ |
367 |
|
|
if (mFocusHandler == nullptr) |
368 |
|
|
return; |
369 |
|
|
|
370 |
|
|
if (isFocusable()) |
371 |
|
|
mFocusHandler->requestFocus(this); |
372 |
|
|
} |
373 |
|
|
|
374 |
|
495 |
void ListBox::adjustSize() |
375 |
|
|
{ |
376 |
|
|
BLOCK_START("ListBox::adjustSize") |
377 |
✓✗ |
495 |
if (mListModel != nullptr) |
378 |
|
|
{ |
379 |
|
1485 |
setHeight(CAST_S32(getRowHeight()) * |
380 |
|
1485 |
mListModel->getNumberOfElements() + 2 * mPadding); |
381 |
|
|
} |
382 |
|
|
BLOCK_END("ListBox::adjustSize") |
383 |
|
495 |
} |
384 |
|
|
|
385 |
|
|
void ListBox::logic() |
386 |
|
|
{ |
387 |
|
|
BLOCK_START("ListBox::logic") |
388 |
|
|
adjustSize(); |
389 |
|
|
BLOCK_END("ListBox::logic") |
390 |
|
|
} |
391 |
|
|
|
392 |
|
|
int ListBox::getSelectionByMouse(const int y) const |
393 |
|
|
{ |
394 |
|
|
if (y < mPadding) |
395 |
|
|
return -1; |
396 |
|
|
return (y - mPadding) / CAST_S32(getRowHeight()); |
397 |
|
|
} |
398 |
|
|
|
399 |
|
202 |
void ListBox::setSelected(const int selected) |
400 |
|
|
{ |
401 |
✗✓ |
202 |
if (mListModel == nullptr) |
402 |
|
|
{ |
403 |
|
|
mSelected = -1; |
404 |
|
|
} |
405 |
|
|
else |
406 |
|
|
{ |
407 |
✗✓ |
202 |
if (selected < 0) |
408 |
|
|
mSelected = -1; |
409 |
✓✓ |
202 |
else if (selected >= mListModel->getNumberOfElements()) |
410 |
|
6 |
mSelected = mListModel->getNumberOfElements() - 1; |
411 |
|
|
else |
412 |
|
196 |
mSelected = selected; |
413 |
|
|
} |
414 |
|
|
|
415 |
|
404 |
Rect scroll; |
416 |
|
|
|
417 |
✓✓ |
202 |
if (mSelected < 0) |
418 |
|
|
scroll.y = 0; |
419 |
|
|
else |
420 |
|
196 |
scroll.y = CAST_S32(getRowHeight()) * mSelected; |
421 |
|
|
|
422 |
|
202 |
scroll.height = CAST_S32(getRowHeight()); |
423 |
|
202 |
showPart(scroll); |
424 |
|
|
|
425 |
|
202 |
distributeValueChangedEvent(); |
426 |
|
202 |
} |
427 |
|
|
|
428 |
|
95 |
void ListBox::setListModel(ListModel *const listModel) |
429 |
|
|
{ |
430 |
|
95 |
mSelected = -1; |
431 |
|
95 |
mListModel = listModel; |
432 |
|
95 |
adjustSize(); |
433 |
|
95 |
} |
434 |
|
|
|
435 |
|
15 |
void ListBox::addSelectionListener(SelectionListener *const selectionListener) |
436 |
|
|
{ |
437 |
|
30 |
mSelectionListeners.push_back(selectionListener); |
438 |
|
15 |
} |
439 |
|
|
|
440 |
|
|
void ListBox::removeSelectionListener(SelectionListener *const |
441 |
|
|
selectionListener) |
442 |
|
|
{ |
443 |
|
|
mSelectionListeners.remove(selectionListener); |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
void ListBox::distributeValueChangedEvent() |
447 |
|
|
{ |
448 |
✗✗✓✓
|
606 |
FOR_EACH (SelectionListenerIterator, iter, mSelectionListeners) |
449 |
|
|
{ |
450 |
|
12 |
SelectionEvent event(this); |
451 |
|
4 |
(*iter)->valueChanged(event); |
452 |
|
|
} |
453 |
|
|
} |