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-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CGUIComboBox.cpp | 523 |
1 files changed, 0 insertions, 523 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CGUIComboBox.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CGUIComboBox.cpp deleted file mode 100644 index 910177e..0000000 --- a/libraries/irrlicht-1.8/source/Irrlicht/CGUIComboBox.cpp +++ /dev/null | |||
@@ -1,523 +0,0 @@ | |||
1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #include "CGUIComboBox.h" | ||
6 | #ifdef _IRR_COMPILE_WITH_GUI_ | ||
7 | |||
8 | #include "IGUIEnvironment.h" | ||
9 | #include "IVideoDriver.h" | ||
10 | #include "IGUISkin.h" | ||
11 | #include "IGUIEnvironment.h" | ||
12 | #include "IGUIFont.h" | ||
13 | #include "IGUIButton.h" | ||
14 | #include "CGUIListBox.h" | ||
15 | #include "os.h" | ||
16 | |||
17 | namespace irr | ||
18 | { | ||
19 | namespace gui | ||
20 | { | ||
21 | |||
22 | //! constructor | ||
23 | CGUIComboBox::CGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent, | ||
24 | s32 id, core::rect<s32> rectangle) | ||
25 | : IGUIComboBox(environment, parent, id, rectangle), | ||
26 | ListButton(0), SelectedText(0), ListBox(0), LastFocus(0), | ||
27 | Selected(-1), HAlign(EGUIA_UPPERLEFT), VAlign(EGUIA_CENTER), MaxSelectionRows(5), HasFocus(false) | ||
28 | { | ||
29 | #ifdef _DEBUG | ||
30 | setDebugName("CGUIComboBox"); | ||
31 | #endif | ||
32 | |||
33 | IGUISkin* skin = Environment->getSkin(); | ||
34 | |||
35 | s32 width = 15; | ||
36 | if (skin) | ||
37 | width = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH); | ||
38 | |||
39 | core::rect<s32> r; | ||
40 | r.UpperLeftCorner.X = rectangle.getWidth() - width - 2; | ||
41 | r.LowerRightCorner.X = rectangle.getWidth() - 2; | ||
42 | |||
43 | r.UpperLeftCorner.Y = 2; | ||
44 | r.LowerRightCorner.Y = rectangle.getHeight() - 2; | ||
45 | |||
46 | ListButton = Environment->addButton(r, this, -1, L""); | ||
47 | if (skin && skin->getSpriteBank()) | ||
48 | { | ||
49 | ListButton->setSpriteBank(skin->getSpriteBank()); | ||
50 | ListButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_CURSOR_DOWN), skin->getColor(EGDC_WINDOW_SYMBOL)); | ||
51 | ListButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_CURSOR_DOWN), skin->getColor(EGDC_WINDOW_SYMBOL)); | ||
52 | } | ||
53 | ListButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT); | ||
54 | ListButton->setSubElement(true); | ||
55 | ListButton->setTabStop(false); | ||
56 | |||
57 | r.UpperLeftCorner.X = 2; | ||
58 | r.UpperLeftCorner.Y = 2; | ||
59 | r.LowerRightCorner.X = RelativeRect.getWidth() - (ListButton->getAbsolutePosition().getWidth() + 2); | ||
60 | r.LowerRightCorner.Y = RelativeRect.getHeight() - 2; | ||
61 | |||
62 | SelectedText = Environment->addStaticText(L"", r, false, false, this, -1, false); | ||
63 | SelectedText->setSubElement(true); | ||
64 | SelectedText->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT); | ||
65 | SelectedText->setTextAlignment(EGUIA_UPPERLEFT, EGUIA_CENTER); | ||
66 | if (skin) | ||
67 | SelectedText->setOverrideColor(skin->getColor(EGDC_BUTTON_TEXT)); | ||
68 | SelectedText->enableOverrideColor(true); | ||
69 | |||
70 | // this element can be tabbed to | ||
71 | setTabStop(true); | ||
72 | setTabOrder(-1); | ||
73 | } | ||
74 | |||
75 | |||
76 | void CGUIComboBox::setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) | ||
77 | { | ||
78 | HAlign = horizontal; | ||
79 | VAlign = vertical; | ||
80 | SelectedText->setTextAlignment(horizontal, vertical); | ||
81 | } | ||
82 | |||
83 | |||
84 | //! Set the maximal number of rows for the selection listbox | ||
85 | void CGUIComboBox::setMaxSelectionRows(u32 max) | ||
86 | { | ||
87 | MaxSelectionRows = max; | ||
88 | |||
89 | // force recalculation of open listbox | ||
90 | if (ListBox) | ||
91 | { | ||
92 | openCloseMenu(); | ||
93 | openCloseMenu(); | ||
94 | } | ||
95 | } | ||
96 | |||
97 | //! Get the maximimal number of rows for the selection listbox | ||
98 | u32 CGUIComboBox::getMaxSelectionRows() const | ||
99 | { | ||
100 | return MaxSelectionRows; | ||
101 | } | ||
102 | |||
103 | |||
104 | //! Returns amount of items in box | ||
105 | u32 CGUIComboBox::getItemCount() const | ||
106 | { | ||
107 | return Items.size(); | ||
108 | } | ||
109 | |||
110 | |||
111 | //! returns string of an item. the idx may be a value from 0 to itemCount-1 | ||
112 | const wchar_t* CGUIComboBox::getItem(u32 idx) const | ||
113 | { | ||
114 | if (idx >= Items.size()) | ||
115 | return 0; | ||
116 | |||
117 | return Items[idx].Name.c_str(); | ||
118 | } | ||
119 | |||
120 | //! returns string of an item. the idx may be a value from 0 to itemCount-1 | ||
121 | u32 CGUIComboBox::getItemData(u32 idx) const | ||
122 | { | ||
123 | if (idx >= Items.size()) | ||
124 | return 0; | ||
125 | |||
126 | return Items[idx].Data; | ||
127 | } | ||
128 | |||
129 | //! Returns index based on item data | ||
130 | s32 CGUIComboBox::getIndexForItemData(u32 data ) const | ||
131 | { | ||
132 | for ( u32 i = 0; i < Items.size (); ++i ) | ||
133 | { | ||
134 | if ( Items[i].Data == data ) | ||
135 | return i; | ||
136 | } | ||
137 | return -1; | ||
138 | } | ||
139 | |||
140 | |||
141 | //! Removes an item from the combo box. | ||
142 | void CGUIComboBox::removeItem(u32 idx) | ||
143 | { | ||
144 | if (idx >= Items.size()) | ||
145 | return; | ||
146 | |||
147 | if (Selected == (s32)idx) | ||
148 | setSelected(-1); | ||
149 | |||
150 | Items.erase(idx); | ||
151 | } | ||
152 | |||
153 | |||
154 | //! Returns caption of this element. | ||
155 | const wchar_t* CGUIComboBox::getText() const | ||
156 | { | ||
157 | return getItem(Selected); | ||
158 | } | ||
159 | |||
160 | |||
161 | //! adds an item and returns the index of it | ||
162 | u32 CGUIComboBox::addItem(const wchar_t* text, u32 data) | ||
163 | { | ||
164 | Items.push_back( SComboData ( text, data ) ); | ||
165 | |||
166 | if (Selected == -1) | ||
167 | setSelected(0); | ||
168 | |||
169 | return Items.size() - 1; | ||
170 | } | ||
171 | |||
172 | |||
173 | //! deletes all items in the combo box | ||
174 | void CGUIComboBox::clear() | ||
175 | { | ||
176 | Items.clear(); | ||
177 | setSelected(-1); | ||
178 | } | ||
179 | |||
180 | |||
181 | //! returns id of selected item. returns -1 if no item is selected. | ||
182 | s32 CGUIComboBox::getSelected() const | ||
183 | { | ||
184 | return Selected; | ||
185 | } | ||
186 | |||
187 | |||
188 | //! sets the selected item. Set this to -1 if no item should be selected | ||
189 | void CGUIComboBox::setSelected(s32 idx) | ||
190 | { | ||
191 | if (idx < -1 || idx >= (s32)Items.size()) | ||
192 | return; | ||
193 | |||
194 | Selected = idx; | ||
195 | if (Selected == -1) | ||
196 | SelectedText->setText(L""); | ||
197 | else | ||
198 | SelectedText->setText(Items[Selected].Name.c_str()); | ||
199 | } | ||
200 | |||
201 | |||
202 | //! called if an event happened. | ||
203 | bool CGUIComboBox::OnEvent(const SEvent& event) | ||
204 | { | ||
205 | if (isEnabled()) | ||
206 | { | ||
207 | switch(event.EventType) | ||
208 | { | ||
209 | |||
210 | case EET_KEY_INPUT_EVENT: | ||
211 | if (ListBox && event.KeyInput.PressedDown && event.KeyInput.Key == KEY_ESCAPE) | ||
212 | { | ||
213 | // hide list box | ||
214 | openCloseMenu(); | ||
215 | return true; | ||
216 | } | ||
217 | else | ||
218 | if (event.KeyInput.Key == KEY_RETURN || event.KeyInput.Key == KEY_SPACE) | ||
219 | { | ||
220 | if (!event.KeyInput.PressedDown) | ||
221 | { | ||
222 | openCloseMenu(); | ||
223 | } | ||
224 | |||
225 | ListButton->setPressed(ListBox == 0); | ||
226 | |||
227 | return true; | ||
228 | } | ||
229 | else | ||
230 | if (event.KeyInput.PressedDown) | ||
231 | { | ||
232 | s32 oldSelected = Selected; | ||
233 | bool absorb = true; | ||
234 | switch (event.KeyInput.Key) | ||
235 | { | ||
236 | case KEY_DOWN: | ||
237 | setSelected(Selected+1); | ||
238 | break; | ||
239 | case KEY_UP: | ||
240 | setSelected(Selected-1); | ||
241 | break; | ||
242 | case KEY_HOME: | ||
243 | case KEY_PRIOR: | ||
244 | setSelected(0); | ||
245 | break; | ||
246 | case KEY_END: | ||
247 | case KEY_NEXT: | ||
248 | setSelected((s32)Items.size()-1); | ||
249 | break; | ||
250 | default: | ||
251 | absorb = false; | ||
252 | } | ||
253 | |||
254 | if (Selected <0) | ||
255 | setSelected(0); | ||
256 | |||
257 | if (Selected >= (s32)Items.size()) | ||
258 | setSelected((s32)Items.size() -1); | ||
259 | |||
260 | if (Selected != oldSelected) | ||
261 | { | ||
262 | sendSelectionChangedEvent(); | ||
263 | return true; | ||
264 | } | ||
265 | |||
266 | if (absorb) | ||
267 | return true; | ||
268 | } | ||
269 | break; | ||
270 | |||
271 | case EET_GUI_EVENT: | ||
272 | |||
273 | switch(event.GUIEvent.EventType) | ||
274 | { | ||
275 | case EGET_ELEMENT_FOCUS_LOST: | ||
276 | if (ListBox && | ||
277 | (Environment->hasFocus(ListBox) || ListBox->isMyChild(event.GUIEvent.Caller) ) && | ||
278 | event.GUIEvent.Element != this && | ||
279 | !isMyChild(event.GUIEvent.Element) && | ||
280 | !ListBox->isMyChild(event.GUIEvent.Element)) | ||
281 | { | ||
282 | openCloseMenu(); | ||
283 | } | ||
284 | break; | ||
285 | case EGET_BUTTON_CLICKED: | ||
286 | if (event.GUIEvent.Caller == ListButton) | ||
287 | { | ||
288 | openCloseMenu(); | ||
289 | return true; | ||
290 | } | ||
291 | break; | ||
292 | case EGET_LISTBOX_SELECTED_AGAIN: | ||
293 | case EGET_LISTBOX_CHANGED: | ||
294 | if (event.GUIEvent.Caller == ListBox) | ||
295 | { | ||
296 | setSelected(ListBox->getSelected()); | ||
297 | if (Selected <0 || Selected >= (s32)Items.size()) | ||
298 | setSelected(-1); | ||
299 | openCloseMenu(); | ||
300 | |||
301 | sendSelectionChangedEvent(); | ||
302 | } | ||
303 | return true; | ||
304 | default: | ||
305 | break; | ||
306 | } | ||
307 | break; | ||
308 | case EET_MOUSE_INPUT_EVENT: | ||
309 | |||
310 | switch(event.MouseInput.Event) | ||
311 | { | ||
312 | case EMIE_LMOUSE_PRESSED_DOWN: | ||
313 | { | ||
314 | core::position2d<s32> p(event.MouseInput.X, event.MouseInput.Y); | ||
315 | |||
316 | // send to list box | ||
317 | if (ListBox && ListBox->isPointInside(p) && ListBox->OnEvent(event)) | ||
318 | return true; | ||
319 | |||
320 | return true; | ||
321 | } | ||
322 | case EMIE_LMOUSE_LEFT_UP: | ||
323 | { | ||
324 | core::position2d<s32> p(event.MouseInput.X, event.MouseInput.Y); | ||
325 | |||
326 | // send to list box | ||
327 | if (!(ListBox && | ||
328 | ListBox->getAbsolutePosition().isPointInside(p) && | ||
329 | ListBox->OnEvent(event))) | ||
330 | { | ||
331 | openCloseMenu(); | ||
332 | } | ||
333 | return true; | ||
334 | } | ||
335 | case EMIE_MOUSE_WHEEL: | ||
336 | { | ||
337 | s32 oldSelected = Selected; | ||
338 | setSelected( Selected + ((event.MouseInput.Wheel < 0) ? 1 : -1)); | ||
339 | |||
340 | if (Selected <0) | ||
341 | setSelected(0); | ||
342 | |||
343 | if (Selected >= (s32)Items.size()) | ||
344 | setSelected((s32)Items.size() -1); | ||
345 | |||
346 | if (Selected != oldSelected) | ||
347 | { | ||
348 | sendSelectionChangedEvent(); | ||
349 | return true; | ||
350 | } | ||
351 | } | ||
352 | default: | ||
353 | break; | ||
354 | } | ||
355 | break; | ||
356 | default: | ||
357 | break; | ||
358 | } | ||
359 | } | ||
360 | |||
361 | return IGUIElement::OnEvent(event); | ||
362 | } | ||
363 | |||
364 | |||
365 | void CGUIComboBox::sendSelectionChangedEvent() | ||
366 | { | ||
367 | if (Parent) | ||
368 | { | ||
369 | SEvent event; | ||
370 | |||
371 | event.EventType = EET_GUI_EVENT; | ||
372 | event.GUIEvent.Caller = this; | ||
373 | event.GUIEvent.Element = 0; | ||
374 | event.GUIEvent.EventType = EGET_COMBO_BOX_CHANGED; | ||
375 | Parent->OnEvent(event); | ||
376 | } | ||
377 | } | ||
378 | |||
379 | |||
380 | //! draws the element and its children | ||
381 | void CGUIComboBox::draw() | ||
382 | { | ||
383 | if (!IsVisible) | ||
384 | return; | ||
385 | |||
386 | IGUISkin* skin = Environment->getSkin(); | ||
387 | IGUIElement *currentFocus = Environment->getFocus(); | ||
388 | if (currentFocus != LastFocus) | ||
389 | { | ||
390 | HasFocus = currentFocus == this || isMyChild(currentFocus); | ||
391 | LastFocus = currentFocus; | ||
392 | } | ||
393 | |||
394 | // set colors each time as skin-colors can be changed | ||
395 | SelectedText->setBackgroundColor(skin->getColor(EGDC_HIGH_LIGHT)); | ||
396 | if(isEnabled()) | ||
397 | { | ||
398 | SelectedText->setDrawBackground(HasFocus); | ||
399 | SelectedText->setOverrideColor(skin->getColor(HasFocus ? EGDC_HIGH_LIGHT_TEXT : EGDC_BUTTON_TEXT)); | ||
400 | } | ||
401 | else | ||
402 | { | ||
403 | SelectedText->setDrawBackground(false); | ||
404 | SelectedText->setOverrideColor(skin->getColor(EGDC_GRAY_TEXT)); | ||
405 | } | ||
406 | ListButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_CURSOR_DOWN), skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL)); | ||
407 | ListButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_CURSOR_DOWN), skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL)); | ||
408 | |||
409 | |||
410 | core::rect<s32> frameRect(AbsoluteRect); | ||
411 | |||
412 | // draw the border | ||
413 | |||
414 | skin->draw3DSunkenPane(this, skin->getColor(EGDC_3D_HIGH_LIGHT), | ||
415 | true, true, frameRect, &AbsoluteClippingRect); | ||
416 | |||
417 | // draw children | ||
418 | IGUIElement::draw(); | ||
419 | } | ||
420 | |||
421 | |||
422 | void CGUIComboBox::openCloseMenu() | ||
423 | { | ||
424 | if (ListBox) | ||
425 | { | ||
426 | // close list box | ||
427 | Environment->setFocus(this); | ||
428 | ListBox->remove(); | ||
429 | ListBox = 0; | ||
430 | } | ||
431 | else | ||
432 | { | ||
433 | if (Parent) | ||
434 | Parent->bringToFront(this); | ||
435 | |||
436 | IGUISkin* skin = Environment->getSkin(); | ||
437 | u32 h = Items.size(); | ||
438 | |||
439 | if (h > getMaxSelectionRows()) | ||
440 | h = getMaxSelectionRows(); | ||
441 | if (h == 0) | ||
442 | h = 1; | ||
443 | |||
444 | IGUIFont* font = skin->getFont(); | ||
445 | if (font) | ||
446 | h *= (font->getDimension(L"A").Height + 4); | ||
447 | |||
448 | // open list box | ||
449 | core::rect<s32> r(0, AbsoluteRect.getHeight(), | ||
450 | AbsoluteRect.getWidth(), AbsoluteRect.getHeight() + h); | ||
451 | |||
452 | ListBox = new CGUIListBox(Environment, this, -1, r, false, true, true); | ||
453 | ListBox->setSubElement(true); | ||
454 | ListBox->setNotClipped(true); | ||
455 | ListBox->drop(); | ||
456 | |||
457 | // ensure that list box is always completely visible | ||
458 | if (ListBox->getAbsolutePosition().LowerRightCorner.Y > Environment->getRootGUIElement()->getAbsolutePosition().getHeight()) | ||
459 | ListBox->setRelativePosition( core::rect<s32>(0, -ListBox->getAbsolutePosition().getHeight(), AbsoluteRect.getWidth(), 0) ); | ||
460 | |||
461 | for (s32 i=0; i<(s32)Items.size(); ++i) | ||
462 | ListBox->addItem(Items[i].Name.c_str()); | ||
463 | |||
464 | ListBox->setSelected(Selected); | ||
465 | |||
466 | // set focus | ||
467 | Environment->setFocus(ListBox); | ||
468 | } | ||
469 | } | ||
470 | |||
471 | |||
472 | //! Writes attributes of the element. | ||
473 | void CGUIComboBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const | ||
474 | { | ||
475 | IGUIComboBox::serializeAttributes(out,options); | ||
476 | |||
477 | out->addEnum ("HTextAlign", HAlign, GUIAlignmentNames); | ||
478 | out->addEnum ("VTextAlign", VAlign, GUIAlignmentNames); | ||
479 | out->addInt("MaxSelectionRows", (s32)MaxSelectionRows ); | ||
480 | |||
481 | out->addInt ("Selected", Selected ); | ||
482 | out->addInt ("ItemCount", Items.size()); | ||
483 | for (u32 i=0; i < Items.size(); ++i) | ||
484 | { | ||
485 | core::stringc s = "Item"; | ||
486 | s += i; | ||
487 | s += "Text"; | ||
488 | out->addString(s.c_str(), Items[i].Name.c_str()); | ||
489 | } | ||
490 | } | ||
491 | |||
492 | |||
493 | //! Reads attributes of the element | ||
494 | void CGUIComboBox::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) | ||
495 | { | ||
496 | IGUIComboBox::deserializeAttributes(in,options); | ||
497 | |||
498 | setTextAlignment( (EGUI_ALIGNMENT) in->getAttributeAsEnumeration("HTextAlign", GUIAlignmentNames), | ||
499 | (EGUI_ALIGNMENT) in->getAttributeAsEnumeration("VTextAlign", GUIAlignmentNames)); | ||
500 | setMaxSelectionRows( (u32)(in->getAttributeAsInt("MaxSelectionRows")) ); | ||
501 | |||
502 | // clear the list | ||
503 | clear(); | ||
504 | // get item count | ||
505 | u32 c = in->getAttributeAsInt("ItemCount"); | ||
506 | // add items | ||
507 | for (u32 i=0; i < c; ++i) | ||
508 | { | ||
509 | core::stringc s = "Item"; | ||
510 | s += i; | ||
511 | s += "Text"; | ||
512 | addItem(in->getAttributeAsStringW(s.c_str()).c_str(), 0); | ||
513 | } | ||
514 | |||
515 | setSelected(in->getAttributeAsInt("Selected")); | ||
516 | } | ||
517 | |||
518 | } // end namespace gui | ||
519 | } // end namespace irr | ||
520 | |||
521 | |||
522 | #endif // _IRR_COMPILE_WITH_GUI_ | ||
523 | |||