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author | David Walter Seikel | 2014-01-13 19:47:58 +1000 |
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committer | David Walter Seikel | 2014-01-13 19:47:58 +1000 |
commit | f9158592e1478b2013afc7041d9ed041cf2d2f4a (patch) | |
tree | b16e389d7988700e21b4c9741044cefa536dcbae /libraries/irrlicht-1.8.1/source/Irrlicht/CGUITabControl.cpp | |
parent | Libraries readme updated with change markers and more of the Irrlicht changes. (diff) | |
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Update Irrlicht to 1.8.1. Include actual change markers this time. lol
Diffstat (limited to '')
-rw-r--r-- | libraries/irrlicht-1.8.1/source/Irrlicht/CGUITabControl.cpp | 1042 |
1 files changed, 1042 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/CGUITabControl.cpp b/libraries/irrlicht-1.8.1/source/Irrlicht/CGUITabControl.cpp new file mode 100644 index 0000000..a931d92 --- /dev/null +++ b/libraries/irrlicht-1.8.1/source/Irrlicht/CGUITabControl.cpp | |||
@@ -0,0 +1,1042 @@ | |||
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 "CGUITabControl.h" | ||
6 | #ifdef _IRR_COMPILE_WITH_GUI_ | ||
7 | |||
8 | #include "CGUIButton.h" | ||
9 | #include "IGUISkin.h" | ||
10 | #include "IGUIEnvironment.h" | ||
11 | #include "IGUIFont.h" | ||
12 | #include "IVideoDriver.h" | ||
13 | #include "rect.h" | ||
14 | #include "os.h" | ||
15 | |||
16 | namespace irr | ||
17 | { | ||
18 | namespace gui | ||
19 | { | ||
20 | |||
21 | // ------------------------------------------------------------------ | ||
22 | // Tab | ||
23 | // ------------------------------------------------------------------ | ||
24 | |||
25 | //! constructor | ||
26 | CGUITab::CGUITab(s32 number, IGUIEnvironment* environment, | ||
27 | IGUIElement* parent, const core::rect<s32>& rectangle, | ||
28 | s32 id) | ||
29 | : IGUITab(environment, parent, id, rectangle), Number(number), | ||
30 | BackColor(0,0,0,0), OverrideTextColorEnabled(false), TextColor(255,0,0,0), | ||
31 | DrawBackground(false) | ||
32 | { | ||
33 | #ifdef _DEBUG | ||
34 | setDebugName("CGUITab"); | ||
35 | #endif | ||
36 | |||
37 | const IGUISkin* const skin = environment->getSkin(); | ||
38 | if (skin) | ||
39 | TextColor = skin->getColor(EGDC_BUTTON_TEXT); | ||
40 | } | ||
41 | |||
42 | |||
43 | //! Returns number of tab in tabcontrol. Can be accessed | ||
44 | //! later IGUITabControl::getTab() by this number. | ||
45 | s32 CGUITab::getNumber() const | ||
46 | { | ||
47 | return Number; | ||
48 | } | ||
49 | |||
50 | |||
51 | //! Sets the number | ||
52 | void CGUITab::setNumber(s32 n) | ||
53 | { | ||
54 | Number = n; | ||
55 | } | ||
56 | |||
57 | void CGUITab::refreshSkinColors() | ||
58 | { | ||
59 | if ( !OverrideTextColorEnabled ) | ||
60 | { | ||
61 | TextColor = Environment->getSkin()->getColor(EGDC_BUTTON_TEXT); | ||
62 | } | ||
63 | } | ||
64 | |||
65 | //! draws the element and its children | ||
66 | void CGUITab::draw() | ||
67 | { | ||
68 | if (!IsVisible) | ||
69 | return; | ||
70 | |||
71 | IGUISkin *skin = Environment->getSkin(); | ||
72 | |||
73 | if (skin && DrawBackground) | ||
74 | skin->draw2DRectangle(this, BackColor, AbsoluteRect, &AbsoluteClippingRect); | ||
75 | |||
76 | IGUIElement::draw(); | ||
77 | } | ||
78 | |||
79 | |||
80 | //! sets if the tab should draw its background | ||
81 | void CGUITab::setDrawBackground(bool draw) | ||
82 | { | ||
83 | DrawBackground = draw; | ||
84 | } | ||
85 | |||
86 | |||
87 | //! sets the color of the background, if it should be drawn. | ||
88 | void CGUITab::setBackgroundColor(video::SColor c) | ||
89 | { | ||
90 | BackColor = c; | ||
91 | } | ||
92 | |||
93 | |||
94 | //! sets the color of the text | ||
95 | void CGUITab::setTextColor(video::SColor c) | ||
96 | { | ||
97 | OverrideTextColorEnabled = true; | ||
98 | TextColor = c; | ||
99 | } | ||
100 | |||
101 | |||
102 | video::SColor CGUITab::getTextColor() const | ||
103 | { | ||
104 | return TextColor; | ||
105 | } | ||
106 | |||
107 | |||
108 | //! returns true if the tab is drawing its background, false if not | ||
109 | bool CGUITab::isDrawingBackground() const | ||
110 | { | ||
111 | _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX; | ||
112 | return DrawBackground; | ||
113 | } | ||
114 | |||
115 | |||
116 | //! returns the color of the background | ||
117 | video::SColor CGUITab::getBackgroundColor() const | ||
118 | { | ||
119 | return BackColor; | ||
120 | } | ||
121 | |||
122 | |||
123 | //! Writes attributes of the element. | ||
124 | void CGUITab::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const | ||
125 | { | ||
126 | IGUITab::serializeAttributes(out,options); | ||
127 | |||
128 | out->addInt ("TabNumber", Number); | ||
129 | out->addBool ("DrawBackground", DrawBackground); | ||
130 | out->addColor ("BackColor", BackColor); | ||
131 | out->addBool ("OverrideTextColorEnabled", OverrideTextColorEnabled); | ||
132 | out->addColor ("TextColor", TextColor); | ||
133 | |||
134 | } | ||
135 | |||
136 | |||
137 | //! Reads attributes of the element | ||
138 | void CGUITab::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) | ||
139 | { | ||
140 | IGUITab::deserializeAttributes(in,options); | ||
141 | |||
142 | setNumber(in->getAttributeAsInt("TabNumber")); | ||
143 | setDrawBackground(in->getAttributeAsBool("DrawBackground")); | ||
144 | setBackgroundColor(in->getAttributeAsColor("BackColor")); | ||
145 | bool override = in->getAttributeAsBool("OverrideTextColorEnabled"); | ||
146 | setTextColor(in->getAttributeAsColor("TextColor")); | ||
147 | if ( !override ) | ||
148 | { | ||
149 | OverrideTextColorEnabled = false; | ||
150 | } | ||
151 | |||
152 | if (Parent && Parent->getType() == EGUIET_TAB_CONTROL) | ||
153 | { | ||
154 | ((CGUITabControl*)Parent)->addTab(this); | ||
155 | if (isVisible()) | ||
156 | ((CGUITabControl*)Parent)->setActiveTab(this); | ||
157 | } | ||
158 | } | ||
159 | |||
160 | |||
161 | // ------------------------------------------------------------------ | ||
162 | // Tabcontrol | ||
163 | // ------------------------------------------------------------------ | ||
164 | |||
165 | //! constructor | ||
166 | CGUITabControl::CGUITabControl(IGUIEnvironment* environment, | ||
167 | IGUIElement* parent, const core::rect<s32>& rectangle, | ||
168 | bool fillbackground, bool border, s32 id) | ||
169 | : IGUITabControl(environment, parent, id, rectangle), ActiveTab(-1), | ||
170 | Border(border), FillBackground(fillbackground), ScrollControl(false), TabHeight(0), VerticalAlignment(EGUIA_UPPERLEFT), | ||
171 | UpButton(0), DownButton(0), TabMaxWidth(0), CurrentScrollTabIndex(0), TabExtraWidth(20) | ||
172 | { | ||
173 | #ifdef _DEBUG | ||
174 | setDebugName("CGUITabControl"); | ||
175 | #endif | ||
176 | |||
177 | IGUISkin* skin = Environment->getSkin(); | ||
178 | IGUISpriteBank* sprites = 0; | ||
179 | |||
180 | TabHeight = 32; | ||
181 | |||
182 | if (skin) | ||
183 | { | ||
184 | sprites = skin->getSpriteBank(); | ||
185 | TabHeight = skin->getSize(gui::EGDS_BUTTON_HEIGHT) + 2; | ||
186 | } | ||
187 | |||
188 | UpButton = Environment->addButton(core::rect<s32>(0,0,10,10), this); | ||
189 | |||
190 | if (UpButton) | ||
191 | { | ||
192 | UpButton->setSpriteBank(sprites); | ||
193 | UpButton->setVisible(false); | ||
194 | UpButton->setSubElement(true); | ||
195 | UpButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
196 | UpButton->setOverrideFont(Environment->getBuiltInFont()); | ||
197 | UpButton->grab(); | ||
198 | } | ||
199 | |||
200 | DownButton = Environment->addButton(core::rect<s32>(0,0,10,10), this); | ||
201 | |||
202 | if (DownButton) | ||
203 | { | ||
204 | DownButton->setSpriteBank(sprites); | ||
205 | DownButton->setVisible(false); | ||
206 | DownButton->setSubElement(true); | ||
207 | DownButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
208 | DownButton->setOverrideFont(Environment->getBuiltInFont()); | ||
209 | DownButton->grab(); | ||
210 | } | ||
211 | |||
212 | setTabVerticalAlignment(EGUIA_UPPERLEFT); | ||
213 | refreshSprites(); | ||
214 | } | ||
215 | |||
216 | //! destructor | ||
217 | CGUITabControl::~CGUITabControl() | ||
218 | { | ||
219 | for (u32 i=0; i<Tabs.size(); ++i) | ||
220 | { | ||
221 | if (Tabs[i]) | ||
222 | Tabs[i]->drop(); | ||
223 | } | ||
224 | |||
225 | if (UpButton) | ||
226 | UpButton->drop(); | ||
227 | |||
228 | if (DownButton) | ||
229 | DownButton->drop(); | ||
230 | } | ||
231 | |||
232 | void CGUITabControl::refreshSprites() | ||
233 | { | ||
234 | video::SColor color(255,255,255,255); | ||
235 | IGUISkin* skin = Environment->getSkin(); | ||
236 | if (skin) | ||
237 | { | ||
238 | color = skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL); | ||
239 | } | ||
240 | |||
241 | if (UpButton) | ||
242 | { | ||
243 | UpButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_CURSOR_LEFT), color); | ||
244 | UpButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_CURSOR_LEFT), color); | ||
245 | } | ||
246 | |||
247 | if (DownButton) | ||
248 | { | ||
249 | DownButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_CURSOR_RIGHT), color); | ||
250 | DownButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_CURSOR_RIGHT), color); | ||
251 | } | ||
252 | } | ||
253 | |||
254 | //! Adds a tab | ||
255 | IGUITab* CGUITabControl::addTab(const wchar_t* caption, s32 id) | ||
256 | { | ||
257 | CGUITab* tab = new CGUITab(Tabs.size(), Environment, this, calcTabPos(), id); | ||
258 | |||
259 | tab->setText(caption); | ||
260 | tab->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT); | ||
261 | tab->setVisible(false); | ||
262 | Tabs.push_back(tab); | ||
263 | |||
264 | if (ActiveTab == -1) | ||
265 | { | ||
266 | ActiveTab = 0; | ||
267 | tab->setVisible(true); | ||
268 | } | ||
269 | |||
270 | recalculateScrollBar(); | ||
271 | |||
272 | return tab; | ||
273 | } | ||
274 | |||
275 | |||
276 | //! adds a tab which has been created elsewhere | ||
277 | void CGUITabControl::addTab(CGUITab* tab) | ||
278 | { | ||
279 | if (!tab) | ||
280 | return; | ||
281 | |||
282 | // check if its already added | ||
283 | for (u32 i=0; i < Tabs.size(); ++i) | ||
284 | { | ||
285 | if (Tabs[i] == tab) | ||
286 | return; | ||
287 | } | ||
288 | |||
289 | tab->grab(); | ||
290 | |||
291 | if (tab->getNumber() == -1) | ||
292 | tab->setNumber((s32)Tabs.size()); | ||
293 | |||
294 | while (tab->getNumber() >= (s32)Tabs.size()) | ||
295 | Tabs.push_back(0); | ||
296 | |||
297 | if (Tabs[tab->getNumber()]) | ||
298 | { | ||
299 | Tabs.push_back(Tabs[tab->getNumber()]); | ||
300 | Tabs[Tabs.size()-1]->setNumber(Tabs.size()); | ||
301 | } | ||
302 | Tabs[tab->getNumber()] = tab; | ||
303 | |||
304 | if (ActiveTab == -1) | ||
305 | ActiveTab = tab->getNumber(); | ||
306 | |||
307 | |||
308 | if (tab->getNumber() == ActiveTab) | ||
309 | { | ||
310 | setActiveTab(ActiveTab); | ||
311 | } | ||
312 | } | ||
313 | |||
314 | //! Insert the tab at the given index | ||
315 | IGUITab* CGUITabControl::insertTab(s32 idx, const wchar_t* caption, s32 id) | ||
316 | { | ||
317 | if ( idx < 0 || idx > (s32)Tabs.size() ) // idx == Tabs.size() is indeed ok here as core::array can handle that | ||
318 | return NULL; | ||
319 | |||
320 | CGUITab* tab = new CGUITab(idx, Environment, this, calcTabPos(), id); | ||
321 | |||
322 | tab->setText(caption); | ||
323 | tab->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT); | ||
324 | tab->setVisible(false); | ||
325 | Tabs.insert(tab, (u32)idx); | ||
326 | |||
327 | if (ActiveTab == -1) | ||
328 | { | ||
329 | ActiveTab = 0; | ||
330 | tab->setVisible(true); | ||
331 | } | ||
332 | |||
333 | for ( u32 i=(u32)idx+1; i < Tabs.size(); ++i ) | ||
334 | { | ||
335 | Tabs[i]->setNumber(i); | ||
336 | } | ||
337 | |||
338 | recalculateScrollBar(); | ||
339 | |||
340 | return tab; | ||
341 | } | ||
342 | |||
343 | //! Removes a tab from the tabcontrol | ||
344 | void CGUITabControl::removeTab(s32 idx) | ||
345 | { | ||
346 | if ( idx < 0 || idx >= (s32)Tabs.size() ) | ||
347 | return; | ||
348 | |||
349 | Tabs[(u32)idx]->drop(); | ||
350 | Tabs.erase((u32)idx); | ||
351 | for ( u32 i=(u32)idx; i < Tabs.size(); ++i ) | ||
352 | { | ||
353 | Tabs[i]->setNumber(i); | ||
354 | } | ||
355 | } | ||
356 | |||
357 | //! Clears the tabcontrol removing all tabs | ||
358 | void CGUITabControl::clear() | ||
359 | { | ||
360 | for (u32 i=0; i<Tabs.size(); ++i) | ||
361 | { | ||
362 | if (Tabs[i]) | ||
363 | Tabs[i]->drop(); | ||
364 | } | ||
365 | Tabs.clear(); | ||
366 | } | ||
367 | |||
368 | //! Returns amount of tabs in the tabcontrol | ||
369 | s32 CGUITabControl::getTabCount() const | ||
370 | { | ||
371 | return Tabs.size(); | ||
372 | } | ||
373 | |||
374 | |||
375 | //! Returns a tab based on zero based index | ||
376 | IGUITab* CGUITabControl::getTab(s32 idx) const | ||
377 | { | ||
378 | if ((u32)idx >= Tabs.size()) | ||
379 | return 0; | ||
380 | |||
381 | return Tabs[idx]; | ||
382 | } | ||
383 | |||
384 | |||
385 | //! called if an event happened. | ||
386 | bool CGUITabControl::OnEvent(const SEvent& event) | ||
387 | { | ||
388 | if (isEnabled()) | ||
389 | { | ||
390 | |||
391 | switch(event.EventType) | ||
392 | { | ||
393 | case EET_GUI_EVENT: | ||
394 | switch(event.GUIEvent.EventType) | ||
395 | { | ||
396 | case EGET_BUTTON_CLICKED: | ||
397 | if (event.GUIEvent.Caller == UpButton) | ||
398 | { | ||
399 | scrollLeft(); | ||
400 | return true; | ||
401 | } | ||
402 | else if (event.GUIEvent.Caller == DownButton) | ||
403 | { | ||
404 | scrollRight(); | ||
405 | return true; | ||
406 | } | ||
407 | |||
408 | break; | ||
409 | default: | ||
410 | break; | ||
411 | } | ||
412 | break; | ||
413 | case EET_MOUSE_INPUT_EVENT: | ||
414 | switch(event.MouseInput.Event) | ||
415 | { | ||
416 | case EMIE_LMOUSE_PRESSED_DOWN: | ||
417 | // todo: dragging tabs around | ||
418 | return true; | ||
419 | case EMIE_LMOUSE_LEFT_UP: | ||
420 | { | ||
421 | s32 idx = getTabAt(event.MouseInput.X, event.MouseInput.Y); | ||
422 | if ( idx >= 0 ) | ||
423 | { | ||
424 | setActiveTab(idx); | ||
425 | return true; | ||
426 | } | ||
427 | break; | ||
428 | } | ||
429 | default: | ||
430 | break; | ||
431 | } | ||
432 | break; | ||
433 | default: | ||
434 | break; | ||
435 | } | ||
436 | } | ||
437 | |||
438 | return IGUIElement::OnEvent(event); | ||
439 | } | ||
440 | |||
441 | |||
442 | void CGUITabControl::scrollLeft() | ||
443 | { | ||
444 | if ( CurrentScrollTabIndex > 0 ) | ||
445 | --CurrentScrollTabIndex; | ||
446 | recalculateScrollBar(); | ||
447 | } | ||
448 | |||
449 | |||
450 | void CGUITabControl::scrollRight() | ||
451 | { | ||
452 | if ( CurrentScrollTabIndex < (s32)(Tabs.size()) - 1 ) | ||
453 | { | ||
454 | if ( needScrollControl(CurrentScrollTabIndex, true) ) | ||
455 | ++CurrentScrollTabIndex; | ||
456 | } | ||
457 | recalculateScrollBar(); | ||
458 | } | ||
459 | |||
460 | s32 CGUITabControl::calcTabWidth(s32 pos, IGUIFont* font, const wchar_t* text, bool withScrollControl) const | ||
461 | { | ||
462 | if ( !font ) | ||
463 | return 0; | ||
464 | |||
465 | s32 len = font->getDimension(text).Width + TabExtraWidth; | ||
466 | if ( TabMaxWidth > 0 && len > TabMaxWidth ) | ||
467 | len = TabMaxWidth; | ||
468 | |||
469 | // check if we miss the place to draw the tab-button | ||
470 | if ( withScrollControl && ScrollControl && pos+len > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 ) | ||
471 | { | ||
472 | s32 tabMinWidth = font->getDimension(L"A").Width; | ||
473 | if ( TabExtraWidth > 0 && TabExtraWidth > tabMinWidth ) | ||
474 | tabMinWidth = TabExtraWidth; | ||
475 | |||
476 | if ( ScrollControl && pos+tabMinWidth <= UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 ) | ||
477 | { | ||
478 | len = UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 - pos; | ||
479 | } | ||
480 | } | ||
481 | return len; | ||
482 | } | ||
483 | |||
484 | bool CGUITabControl::needScrollControl(s32 startIndex, bool withScrollControl) | ||
485 | { | ||
486 | if ( startIndex >= (s32)Tabs.size() ) | ||
487 | startIndex -= 1; | ||
488 | |||
489 | if ( startIndex < 0 ) | ||
490 | startIndex = 0; | ||
491 | |||
492 | IGUISkin* skin = Environment->getSkin(); | ||
493 | if (!skin) | ||
494 | return false; | ||
495 | |||
496 | IGUIFont* font = skin->getFont(); | ||
497 | |||
498 | core::rect<s32> frameRect(AbsoluteRect); | ||
499 | |||
500 | if (Tabs.empty()) | ||
501 | return false; | ||
502 | |||
503 | if (!font) | ||
504 | return false; | ||
505 | |||
506 | s32 pos = frameRect.UpperLeftCorner.X + 2; | ||
507 | |||
508 | for (s32 i=startIndex; i<(s32)Tabs.size(); ++i) | ||
509 | { | ||
510 | // get Text | ||
511 | const wchar_t* text = 0; | ||
512 | if (Tabs[i]) | ||
513 | text = Tabs[i]->getText(); | ||
514 | |||
515 | // get text length | ||
516 | s32 len = calcTabWidth(pos, font, text, false); // always without withScrollControl here or len would be shortened | ||
517 | |||
518 | frameRect.LowerRightCorner.X += len; | ||
519 | |||
520 | frameRect.UpperLeftCorner.X = pos; | ||
521 | frameRect.LowerRightCorner.X = frameRect.UpperLeftCorner.X + len; | ||
522 | pos += len; | ||
523 | |||
524 | if ( withScrollControl && pos > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2) | ||
525 | return true; | ||
526 | |||
527 | if ( !withScrollControl && pos > AbsoluteRect.LowerRightCorner.X ) | ||
528 | return true; | ||
529 | } | ||
530 | |||
531 | return false; | ||
532 | } | ||
533 | |||
534 | |||
535 | core::rect<s32> CGUITabControl::calcTabPos() | ||
536 | { | ||
537 | core::rect<s32> r; | ||
538 | r.UpperLeftCorner.X = 0; | ||
539 | r.LowerRightCorner.X = AbsoluteRect.getWidth(); | ||
540 | if ( Border ) | ||
541 | { | ||
542 | ++r.UpperLeftCorner.X; | ||
543 | --r.LowerRightCorner.X; | ||
544 | } | ||
545 | |||
546 | if ( VerticalAlignment == EGUIA_UPPERLEFT ) | ||
547 | { | ||
548 | r.UpperLeftCorner.Y = TabHeight+2; | ||
549 | r.LowerRightCorner.Y = AbsoluteRect.getHeight()-1; | ||
550 | if ( Border ) | ||
551 | { | ||
552 | --r.LowerRightCorner.Y; | ||
553 | } | ||
554 | } | ||
555 | else | ||
556 | { | ||
557 | r.UpperLeftCorner.Y = 0; | ||
558 | r.LowerRightCorner.Y = AbsoluteRect.getHeight()-(TabHeight+2); | ||
559 | if ( Border ) | ||
560 | { | ||
561 | ++r.UpperLeftCorner.Y; | ||
562 | } | ||
563 | } | ||
564 | |||
565 | return r; | ||
566 | } | ||
567 | |||
568 | |||
569 | //! draws the element and its children | ||
570 | void CGUITabControl::draw() | ||
571 | { | ||
572 | if (!IsVisible) | ||
573 | return; | ||
574 | |||
575 | IGUISkin* skin = Environment->getSkin(); | ||
576 | if (!skin) | ||
577 | return; | ||
578 | |||
579 | IGUIFont* font = skin->getFont(); | ||
580 | video::IVideoDriver* driver = Environment->getVideoDriver(); | ||
581 | |||
582 | core::rect<s32> frameRect(AbsoluteRect); | ||
583 | |||
584 | if (Tabs.empty()) | ||
585 | driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), frameRect, &AbsoluteClippingRect); | ||
586 | |||
587 | if (!font) | ||
588 | return; | ||
589 | |||
590 | if ( VerticalAlignment == EGUIA_UPPERLEFT ) | ||
591 | { | ||
592 | frameRect.UpperLeftCorner.Y += 2; | ||
593 | frameRect.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y + TabHeight; | ||
594 | } | ||
595 | else | ||
596 | { | ||
597 | frameRect.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - TabHeight - 1; | ||
598 | frameRect.LowerRightCorner.Y -= 2; | ||
599 | } | ||
600 | |||
601 | core::rect<s32> tr; | ||
602 | s32 pos = frameRect.UpperLeftCorner.X + 2; | ||
603 | |||
604 | bool needLeftScroll = CurrentScrollTabIndex > 0; | ||
605 | bool needRightScroll = false; | ||
606 | |||
607 | // left and right pos of the active tab | ||
608 | s32 left = 0; | ||
609 | s32 right = 0; | ||
610 | |||
611 | //const wchar_t* activetext = 0; | ||
612 | CGUITab *activeTab = 0; | ||
613 | |||
614 | for (u32 i=CurrentScrollTabIndex; i<Tabs.size(); ++i) | ||
615 | { | ||
616 | // get Text | ||
617 | const wchar_t* text = 0; | ||
618 | if (Tabs[i]) | ||
619 | text = Tabs[i]->getText(); | ||
620 | |||
621 | // get text length | ||
622 | s32 len = calcTabWidth(pos, font, text, true); | ||
623 | if ( ScrollControl && pos+len > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 ) | ||
624 | { | ||
625 | needRightScroll = true; | ||
626 | break; | ||
627 | } | ||
628 | |||
629 | frameRect.LowerRightCorner.X += len; | ||
630 | frameRect.UpperLeftCorner.X = pos; | ||
631 | frameRect.LowerRightCorner.X = frameRect.UpperLeftCorner.X + len; | ||
632 | |||
633 | pos += len; | ||
634 | |||
635 | if ( text ) | ||
636 | Tabs[i]->refreshSkinColors(); | ||
637 | |||
638 | if ((s32)i == ActiveTab) | ||
639 | { | ||
640 | left = frameRect.UpperLeftCorner.X; | ||
641 | right = frameRect.LowerRightCorner.X; | ||
642 | //activetext = text; | ||
643 | activeTab = Tabs[i]; | ||
644 | } | ||
645 | else | ||
646 | { | ||
647 | skin->draw3DTabButton(this, false, frameRect, &AbsoluteClippingRect, VerticalAlignment); | ||
648 | |||
649 | // draw text | ||
650 | core::rect<s32> textClipRect(frameRect); // TODO: exact size depends on borders in draw3DTabButton which we don't get with current interface | ||
651 | textClipRect.clipAgainst(AbsoluteClippingRect); | ||
652 | font->draw(text, frameRect, Tabs[i]->getTextColor(), | ||
653 | true, true, &textClipRect); | ||
654 | } | ||
655 | } | ||
656 | |||
657 | // draw active tab | ||
658 | if (left != 0 && right != 0 && activeTab != 0) | ||
659 | { | ||
660 | // draw upper highlight frame | ||
661 | if ( VerticalAlignment == EGUIA_UPPERLEFT ) | ||
662 | { | ||
663 | frameRect.UpperLeftCorner.X = left-2; | ||
664 | frameRect.LowerRightCorner.X = right+2; | ||
665 | frameRect.UpperLeftCorner.Y -= 2; | ||
666 | |||
667 | skin->draw3DTabButton(this, true, frameRect, &AbsoluteClippingRect, VerticalAlignment); | ||
668 | |||
669 | // draw text | ||
670 | core::rect<s32> textClipRect(frameRect); // TODO: exact size depends on borders in draw3DTabButton which we don't get with current interface | ||
671 | textClipRect.clipAgainst(AbsoluteClippingRect); | ||
672 | font->draw(activeTab->getText(), frameRect, activeTab->getTextColor(), | ||
673 | true, true, &textClipRect); | ||
674 | |||
675 | tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X; | ||
676 | tr.LowerRightCorner.X = left - 1; | ||
677 | tr.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - 1; | ||
678 | tr.LowerRightCorner.Y = frameRect.LowerRightCorner.Y; | ||
679 | driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), tr, &AbsoluteClippingRect); | ||
680 | |||
681 | tr.UpperLeftCorner.X = right; | ||
682 | tr.LowerRightCorner.X = AbsoluteRect.LowerRightCorner.X; | ||
683 | driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), tr, &AbsoluteClippingRect); | ||
684 | } | ||
685 | else | ||
686 | { | ||
687 | |||
688 | frameRect.UpperLeftCorner.X = left-2; | ||
689 | frameRect.LowerRightCorner.X = right+2; | ||
690 | frameRect.LowerRightCorner.Y += 2; | ||
691 | |||
692 | skin->draw3DTabButton(this, true, frameRect, &AbsoluteClippingRect, VerticalAlignment); | ||
693 | |||
694 | // draw text | ||
695 | font->draw(activeTab->getText(), frameRect, activeTab->getTextColor(), | ||
696 | true, true, &frameRect); | ||
697 | |||
698 | tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X; | ||
699 | tr.LowerRightCorner.X = left - 1; | ||
700 | tr.UpperLeftCorner.Y = frameRect.UpperLeftCorner.Y - 1; | ||
701 | tr.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y; | ||
702 | driver->draw2DRectangle(skin->getColor(EGDC_3D_DARK_SHADOW), tr, &AbsoluteClippingRect); | ||
703 | |||
704 | tr.UpperLeftCorner.X = right; | ||
705 | tr.LowerRightCorner.X = AbsoluteRect.LowerRightCorner.X; | ||
706 | driver->draw2DRectangle(skin->getColor(EGDC_3D_DARK_SHADOW), tr, &AbsoluteClippingRect); | ||
707 | } | ||
708 | } | ||
709 | else | ||
710 | { | ||
711 | if ( VerticalAlignment == EGUIA_UPPERLEFT ) | ||
712 | { | ||
713 | tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X; | ||
714 | tr.LowerRightCorner.X = AbsoluteRect.LowerRightCorner.X; | ||
715 | tr.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - 1; | ||
716 | tr.LowerRightCorner.Y = frameRect.LowerRightCorner.Y; | ||
717 | driver->draw2DRectangle(skin->getColor(EGDC_3D_HIGH_LIGHT), tr, &AbsoluteClippingRect); | ||
718 | } | ||
719 | else | ||
720 | { | ||
721 | tr.UpperLeftCorner.X = AbsoluteRect.UpperLeftCorner.X; | ||
722 | tr.LowerRightCorner.X = 1000; | ||
723 | tr.UpperLeftCorner.Y = frameRect.UpperLeftCorner.Y - 1; | ||
724 | tr.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y; | ||
725 | driver->draw2DRectangle(skin->getColor(EGDC_3D_DARK_SHADOW), tr, &AbsoluteClippingRect); | ||
726 | } | ||
727 | } | ||
728 | |||
729 | skin->draw3DTabBody(this, Border, FillBackground, AbsoluteRect, &AbsoluteClippingRect, TabHeight, VerticalAlignment); | ||
730 | |||
731 | // enable scrollcontrols on need | ||
732 | if ( UpButton ) | ||
733 | UpButton->setEnabled(needLeftScroll); | ||
734 | if ( DownButton ) | ||
735 | DownButton->setEnabled(needRightScroll); | ||
736 | refreshSprites(); | ||
737 | |||
738 | IGUIElement::draw(); | ||
739 | } | ||
740 | |||
741 | |||
742 | //! Set the height of the tabs | ||
743 | void CGUITabControl::setTabHeight( s32 height ) | ||
744 | { | ||
745 | if ( height < 0 ) | ||
746 | height = 0; | ||
747 | |||
748 | TabHeight = height; | ||
749 | |||
750 | recalculateScrollButtonPlacement(); | ||
751 | recalculateScrollBar(); | ||
752 | } | ||
753 | |||
754 | |||
755 | //! Get the height of the tabs | ||
756 | s32 CGUITabControl::getTabHeight() const | ||
757 | { | ||
758 | return TabHeight; | ||
759 | } | ||
760 | |||
761 | //! set the maximal width of a tab. Per default width is 0 which means "no width restriction". | ||
762 | void CGUITabControl::setTabMaxWidth(s32 width ) | ||
763 | { | ||
764 | TabMaxWidth = width; | ||
765 | } | ||
766 | |||
767 | //! get the maximal width of a tab | ||
768 | s32 CGUITabControl::getTabMaxWidth() const | ||
769 | { | ||
770 | return TabMaxWidth; | ||
771 | } | ||
772 | |||
773 | |||
774 | //! Set the extra width added to tabs on each side of the text | ||
775 | void CGUITabControl::setTabExtraWidth( s32 extraWidth ) | ||
776 | { | ||
777 | if ( extraWidth < 0 ) | ||
778 | extraWidth = 0; | ||
779 | |||
780 | TabExtraWidth = extraWidth; | ||
781 | |||
782 | recalculateScrollBar(); | ||
783 | } | ||
784 | |||
785 | |||
786 | //! Get the extra width added to tabs on each side of the text | ||
787 | s32 CGUITabControl::getTabExtraWidth() const | ||
788 | { | ||
789 | return TabExtraWidth; | ||
790 | } | ||
791 | |||
792 | |||
793 | void CGUITabControl::recalculateScrollBar() | ||
794 | { | ||
795 | if (!UpButton || !DownButton) | ||
796 | return; | ||
797 | |||
798 | ScrollControl = needScrollControl() || CurrentScrollTabIndex > 0; | ||
799 | |||
800 | if (ScrollControl) | ||
801 | { | ||
802 | UpButton->setVisible( true ); | ||
803 | DownButton->setVisible( true ); | ||
804 | } | ||
805 | else | ||
806 | { | ||
807 | UpButton->setVisible( false ); | ||
808 | DownButton->setVisible( false ); | ||
809 | } | ||
810 | |||
811 | bringToFront( UpButton ); | ||
812 | bringToFront( DownButton ); | ||
813 | } | ||
814 | |||
815 | //! Set the alignment of the tabs | ||
816 | void CGUITabControl::setTabVerticalAlignment( EGUI_ALIGNMENT alignment ) | ||
817 | { | ||
818 | VerticalAlignment = alignment; | ||
819 | |||
820 | recalculateScrollButtonPlacement(); | ||
821 | recalculateScrollBar(); | ||
822 | |||
823 | core::rect<s32> r(calcTabPos()); | ||
824 | for ( u32 i=0; i<Tabs.size(); ++i ) | ||
825 | { | ||
826 | Tabs[i]->setRelativePosition(r); | ||
827 | } | ||
828 | } | ||
829 | |||
830 | void CGUITabControl::recalculateScrollButtonPlacement() | ||
831 | { | ||
832 | IGUISkin* skin = Environment->getSkin(); | ||
833 | s32 ButtonSize = 16; | ||
834 | s32 ButtonHeight = TabHeight - 2; | ||
835 | if ( ButtonHeight < 0 ) | ||
836 | ButtonHeight = TabHeight; | ||
837 | if (skin) | ||
838 | { | ||
839 | ButtonSize = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH); | ||
840 | if (ButtonSize > TabHeight) | ||
841 | ButtonSize = TabHeight; | ||
842 | } | ||
843 | |||
844 | s32 ButtonX = RelativeRect.getWidth() - (s32)(2.5f*(f32)ButtonSize) - 1; | ||
845 | s32 ButtonY = 0; | ||
846 | |||
847 | if (VerticalAlignment == EGUIA_UPPERLEFT) | ||
848 | { | ||
849 | ButtonY = 2 + (TabHeight / 2) - (ButtonHeight / 2); | ||
850 | UpButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
851 | DownButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
852 | } | ||
853 | else | ||
854 | { | ||
855 | ButtonY = RelativeRect.getHeight() - (TabHeight / 2) - (ButtonHeight / 2) - 2; | ||
856 | UpButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT); | ||
857 | DownButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT); | ||
858 | } | ||
859 | |||
860 | UpButton->setRelativePosition(core::rect<s32>(ButtonX, ButtonY, ButtonX+ButtonSize, ButtonY+ButtonHeight)); | ||
861 | ButtonX += ButtonSize + 1; | ||
862 | DownButton->setRelativePosition(core::rect<s32>(ButtonX, ButtonY, ButtonX+ButtonSize, ButtonY+ButtonHeight)); | ||
863 | } | ||
864 | |||
865 | //! Get the alignment of the tabs | ||
866 | EGUI_ALIGNMENT CGUITabControl::getTabVerticalAlignment() const | ||
867 | { | ||
868 | return VerticalAlignment; | ||
869 | } | ||
870 | |||
871 | |||
872 | s32 CGUITabControl::getTabAt(s32 xpos, s32 ypos) const | ||
873 | { | ||
874 | core::position2di p(xpos, ypos); | ||
875 | IGUISkin* skin = Environment->getSkin(); | ||
876 | IGUIFont* font = skin->getFont(); | ||
877 | |||
878 | core::rect<s32> frameRect(AbsoluteRect); | ||
879 | |||
880 | if ( VerticalAlignment == EGUIA_UPPERLEFT ) | ||
881 | { | ||
882 | frameRect.UpperLeftCorner.Y += 2; | ||
883 | frameRect.LowerRightCorner.Y = frameRect.UpperLeftCorner.Y + TabHeight; | ||
884 | } | ||
885 | else | ||
886 | { | ||
887 | frameRect.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y - TabHeight; | ||
888 | } | ||
889 | |||
890 | s32 pos = frameRect.UpperLeftCorner.X + 2; | ||
891 | |||
892 | if (!frameRect.isPointInside(p)) | ||
893 | return -1; | ||
894 | |||
895 | for (s32 i=CurrentScrollTabIndex; i<(s32)Tabs.size(); ++i) | ||
896 | { | ||
897 | // get Text | ||
898 | const wchar_t* text = 0; | ||
899 | if (Tabs[i]) | ||
900 | text = Tabs[i]->getText(); | ||
901 | |||
902 | // get text length | ||
903 | s32 len = calcTabWidth(pos, font, text, true); | ||
904 | if ( ScrollControl && pos+len > UpButton->getAbsolutePosition().UpperLeftCorner.X - 2 ) | ||
905 | return -1; | ||
906 | |||
907 | frameRect.UpperLeftCorner.X = pos; | ||
908 | frameRect.LowerRightCorner.X = frameRect.UpperLeftCorner.X + len; | ||
909 | |||
910 | pos += len; | ||
911 | |||
912 | if (frameRect.isPointInside(p)) | ||
913 | { | ||
914 | return i; | ||
915 | } | ||
916 | } | ||
917 | return -1; | ||
918 | } | ||
919 | |||
920 | //! Returns which tab is currently active | ||
921 | s32 CGUITabControl::getActiveTab() const | ||
922 | { | ||
923 | return ActiveTab; | ||
924 | } | ||
925 | |||
926 | |||
927 | //! Brings a tab to front. | ||
928 | bool CGUITabControl::setActiveTab(s32 idx) | ||
929 | { | ||
930 | if ((u32)idx >= Tabs.size()) | ||
931 | return false; | ||
932 | |||
933 | bool changed = (ActiveTab != idx); | ||
934 | |||
935 | ActiveTab = idx; | ||
936 | |||
937 | for (s32 i=0; i<(s32)Tabs.size(); ++i) | ||
938 | if (Tabs[i]) | ||
939 | Tabs[i]->setVisible( i == ActiveTab ); | ||
940 | |||
941 | if (changed) | ||
942 | { | ||
943 | SEvent event; | ||
944 | event.EventType = EET_GUI_EVENT; | ||
945 | event.GUIEvent.Caller = this; | ||
946 | event.GUIEvent.Element = 0; | ||
947 | event.GUIEvent.EventType = EGET_TAB_CHANGED; | ||
948 | Parent->OnEvent(event); | ||
949 | } | ||
950 | |||
951 | return true; | ||
952 | } | ||
953 | |||
954 | |||
955 | bool CGUITabControl::setActiveTab(IGUITab *tab) | ||
956 | { | ||
957 | for (s32 i=0; i<(s32)Tabs.size(); ++i) | ||
958 | if (Tabs[i] == tab) | ||
959 | return setActiveTab(i); | ||
960 | return false; | ||
961 | } | ||
962 | |||
963 | |||
964 | //! Removes a child. | ||
965 | void CGUITabControl::removeChild(IGUIElement* child) | ||
966 | { | ||
967 | bool isTab = false; | ||
968 | |||
969 | u32 i=0; | ||
970 | // check if it is a tab | ||
971 | while (i<Tabs.size()) | ||
972 | { | ||
973 | if (Tabs[i] == child) | ||
974 | { | ||
975 | Tabs[i]->drop(); | ||
976 | Tabs.erase(i); | ||
977 | isTab = true; | ||
978 | } | ||
979 | else | ||
980 | ++i; | ||
981 | } | ||
982 | |||
983 | // reassign numbers | ||
984 | if (isTab) | ||
985 | { | ||
986 | for (i=0; i<Tabs.size(); ++i) | ||
987 | if (Tabs[i]) | ||
988 | Tabs[i]->setNumber(i); | ||
989 | } | ||
990 | |||
991 | // remove real element | ||
992 | IGUIElement::removeChild(child); | ||
993 | |||
994 | recalculateScrollBar(); | ||
995 | } | ||
996 | |||
997 | |||
998 | //! Update the position of the element, decides scroll button status | ||
999 | void CGUITabControl::updateAbsolutePosition() | ||
1000 | { | ||
1001 | IGUIElement::updateAbsolutePosition(); | ||
1002 | recalculateScrollBar(); | ||
1003 | } | ||
1004 | |||
1005 | |||
1006 | //! Writes attributes of the element. | ||
1007 | void CGUITabControl::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const | ||
1008 | { | ||
1009 | IGUITabControl::serializeAttributes(out,options); | ||
1010 | |||
1011 | out->addInt ("ActiveTab", ActiveTab); | ||
1012 | out->addBool("Border", Border); | ||
1013 | out->addBool("FillBackground", FillBackground); | ||
1014 | out->addInt ("TabHeight", TabHeight); | ||
1015 | out->addInt ("TabMaxWidth", TabMaxWidth); | ||
1016 | out->addEnum("TabVerticalAlignment", s32(VerticalAlignment), GUIAlignmentNames); | ||
1017 | } | ||
1018 | |||
1019 | |||
1020 | //! Reads attributes of the element | ||
1021 | void CGUITabControl::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) | ||
1022 | { | ||
1023 | Border = in->getAttributeAsBool("Border"); | ||
1024 | FillBackground = in->getAttributeAsBool("FillBackground"); | ||
1025 | |||
1026 | ActiveTab = -1; | ||
1027 | |||
1028 | setTabHeight(in->getAttributeAsInt("TabHeight")); | ||
1029 | TabMaxWidth = in->getAttributeAsInt("TabMaxWidth"); | ||
1030 | |||
1031 | IGUITabControl::deserializeAttributes(in,options); | ||
1032 | |||
1033 | setActiveTab(in->getAttributeAsInt("ActiveTab")); | ||
1034 | setTabVerticalAlignment( static_cast<EGUI_ALIGNMENT>(in->getAttributeAsEnumeration("TabVerticalAlignment" , GUIAlignmentNames)) ); | ||
1035 | } | ||
1036 | |||
1037 | |||
1038 | } // end namespace irr | ||
1039 | } // end namespace gui | ||
1040 | |||
1041 | #endif // _IRR_COMPILE_WITH_GUI_ | ||
1042 | |||