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-rw-r--r-- | libraries/irrlicht-1.8.1/source/Irrlicht/CGUIWindow.cpp | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/CGUIWindow.cpp b/libraries/irrlicht-1.8.1/source/Irrlicht/CGUIWindow.cpp new file mode 100644 index 0000000..9769750 --- /dev/null +++ b/libraries/irrlicht-1.8.1/source/Irrlicht/CGUIWindow.cpp | |||
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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 "CGUIWindow.h" | ||
6 | #ifdef _IRR_COMPILE_WITH_GUI_ | ||
7 | |||
8 | #include "IGUISkin.h" | ||
9 | #include "IGUIEnvironment.h" | ||
10 | #include "IVideoDriver.h" | ||
11 | #include "IGUIButton.h" | ||
12 | #include "IGUIFont.h" | ||
13 | #include "IGUIFontBitmap.h" | ||
14 | |||
15 | namespace irr | ||
16 | { | ||
17 | namespace gui | ||
18 | { | ||
19 | |||
20 | //! constructor | ||
21 | CGUIWindow::CGUIWindow(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle) | ||
22 | : IGUIWindow(environment, parent, id, rectangle), Dragging(false), IsDraggable(true), DrawBackground(true), DrawTitlebar(true), IsActive(false) | ||
23 | { | ||
24 | #ifdef _DEBUG | ||
25 | setDebugName("CGUIWindow"); | ||
26 | #endif | ||
27 | |||
28 | IGUISkin* skin = 0; | ||
29 | if (environment) | ||
30 | skin = environment->getSkin(); | ||
31 | |||
32 | CurrentIconColor = video::SColor(255,255,255,255); | ||
33 | |||
34 | s32 buttonw = 15; | ||
35 | if (skin) | ||
36 | { | ||
37 | buttonw = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH); | ||
38 | } | ||
39 | s32 posx = RelativeRect.getWidth() - buttonw - 4; | ||
40 | |||
41 | CloseButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1, | ||
42 | L"", skin ? skin->getDefaultText(EGDT_WINDOW_CLOSE) : L"Close" ); | ||
43 | CloseButton->setSubElement(true); | ||
44 | CloseButton->setTabStop(false); | ||
45 | CloseButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
46 | posx -= buttonw + 2; | ||
47 | |||
48 | RestoreButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1, | ||
49 | L"", skin ? skin->getDefaultText(EGDT_WINDOW_RESTORE) : L"Restore" ); | ||
50 | RestoreButton->setVisible(false); | ||
51 | RestoreButton->setSubElement(true); | ||
52 | RestoreButton->setTabStop(false); | ||
53 | RestoreButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
54 | posx -= buttonw + 2; | ||
55 | |||
56 | MinButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1, | ||
57 | L"", skin ? skin->getDefaultText(EGDT_WINDOW_MINIMIZE) : L"Minimize" ); | ||
58 | MinButton->setVisible(false); | ||
59 | MinButton->setSubElement(true); | ||
60 | MinButton->setTabStop(false); | ||
61 | MinButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT); | ||
62 | |||
63 | MinButton->grab(); | ||
64 | RestoreButton->grab(); | ||
65 | CloseButton->grab(); | ||
66 | |||
67 | // this element is a tab group | ||
68 | setTabGroup(true); | ||
69 | setTabStop(true); | ||
70 | setTabOrder(-1); | ||
71 | |||
72 | refreshSprites(); | ||
73 | updateClientRect(); | ||
74 | } | ||
75 | |||
76 | |||
77 | //! destructor | ||
78 | CGUIWindow::~CGUIWindow() | ||
79 | { | ||
80 | if (MinButton) | ||
81 | MinButton->drop(); | ||
82 | |||
83 | if (RestoreButton) | ||
84 | RestoreButton->drop(); | ||
85 | |||
86 | if (CloseButton) | ||
87 | CloseButton->drop(); | ||
88 | } | ||
89 | |||
90 | void CGUIWindow::refreshSprites() | ||
91 | { | ||
92 | if (!Environment) | ||
93 | return; | ||
94 | IGUISkin* skin = Environment->getSkin(); | ||
95 | if ( !skin ) | ||
96 | return; | ||
97 | |||
98 | IGUISpriteBank* sprites = skin->getSpriteBank(); | ||
99 | if ( !sprites ) | ||
100 | return; | ||
101 | |||
102 | CurrentIconColor = skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL); | ||
103 | |||
104 | if (sprites) | ||
105 | { | ||
106 | CloseButton->setSpriteBank(sprites); | ||
107 | CloseButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_CLOSE), CurrentIconColor); | ||
108 | CloseButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_CLOSE), CurrentIconColor); | ||
109 | |||
110 | RestoreButton->setSpriteBank(sprites); | ||
111 | RestoreButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_RESTORE), CurrentIconColor); | ||
112 | RestoreButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_RESTORE), CurrentIconColor); | ||
113 | |||
114 | MinButton->setSpriteBank(sprites); | ||
115 | MinButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_MINIMIZE), CurrentIconColor); | ||
116 | MinButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_MINIMIZE), CurrentIconColor); | ||
117 | } | ||
118 | } | ||
119 | |||
120 | //! called if an event happened. | ||
121 | bool CGUIWindow::OnEvent(const SEvent& event) | ||
122 | { | ||
123 | if (isEnabled()) | ||
124 | { | ||
125 | |||
126 | switch(event.EventType) | ||
127 | { | ||
128 | case EET_GUI_EVENT: | ||
129 | if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST) | ||
130 | { | ||
131 | Dragging = false; | ||
132 | IsActive = false; | ||
133 | } | ||
134 | else | ||
135 | if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUSED) | ||
136 | { | ||
137 | if (Parent && ((event.GUIEvent.Caller == this) || isMyChild(event.GUIEvent.Caller))) | ||
138 | { | ||
139 | Parent->bringToFront(this); | ||
140 | IsActive = true; | ||
141 | } | ||
142 | else | ||
143 | { | ||
144 | IsActive = false; | ||
145 | } | ||
146 | } | ||
147 | else | ||
148 | if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED) | ||
149 | { | ||
150 | if (event.GUIEvent.Caller == CloseButton) | ||
151 | { | ||
152 | if (Parent) | ||
153 | { | ||
154 | // send close event to parent | ||
155 | SEvent e; | ||
156 | e.EventType = EET_GUI_EVENT; | ||
157 | e.GUIEvent.Caller = this; | ||
158 | e.GUIEvent.Element = 0; | ||
159 | e.GUIEvent.EventType = EGET_ELEMENT_CLOSED; | ||
160 | |||
161 | // if the event was not absorbed | ||
162 | if (!Parent->OnEvent(e)) | ||
163 | remove(); | ||
164 | |||
165 | return true; | ||
166 | |||
167 | } | ||
168 | else | ||
169 | { | ||
170 | remove(); | ||
171 | return true; | ||
172 | } | ||
173 | } | ||
174 | } | ||
175 | break; | ||
176 | case EET_MOUSE_INPUT_EVENT: | ||
177 | switch(event.MouseInput.Event) | ||
178 | { | ||
179 | case EMIE_LMOUSE_PRESSED_DOWN: | ||
180 | DragStart.X = event.MouseInput.X; | ||
181 | DragStart.Y = event.MouseInput.Y; | ||
182 | Dragging = IsDraggable; | ||
183 | if (Parent) | ||
184 | Parent->bringToFront(this); | ||
185 | return true; | ||
186 | case EMIE_LMOUSE_LEFT_UP: | ||
187 | Dragging = false; | ||
188 | return true; | ||
189 | case EMIE_MOUSE_MOVED: | ||
190 | if (!event.MouseInput.isLeftPressed()) | ||
191 | Dragging = false; | ||
192 | |||
193 | if (Dragging) | ||
194 | { | ||
195 | // gui window should not be dragged outside its parent | ||
196 | if (Parent && | ||
197 | (event.MouseInput.X < Parent->getAbsolutePosition().UpperLeftCorner.X +1 || | ||
198 | event.MouseInput.Y < Parent->getAbsolutePosition().UpperLeftCorner.Y +1 || | ||
199 | event.MouseInput.X > Parent->getAbsolutePosition().LowerRightCorner.X -1 || | ||
200 | event.MouseInput.Y > Parent->getAbsolutePosition().LowerRightCorner.Y -1)) | ||
201 | return true; | ||
202 | |||
203 | move(core::position2d<s32>(event.MouseInput.X - DragStart.X, event.MouseInput.Y - DragStart.Y)); | ||
204 | DragStart.X = event.MouseInput.X; | ||
205 | DragStart.Y = event.MouseInput.Y; | ||
206 | return true; | ||
207 | } | ||
208 | break; | ||
209 | default: | ||
210 | break; | ||
211 | } | ||
212 | default: | ||
213 | break; | ||
214 | } | ||
215 | } | ||
216 | |||
217 | return IGUIElement::OnEvent(event); | ||
218 | } | ||
219 | |||
220 | |||
221 | //! Updates the absolute position. | ||
222 | void CGUIWindow::updateAbsolutePosition() | ||
223 | { | ||
224 | IGUIElement::updateAbsolutePosition(); | ||
225 | } | ||
226 | |||
227 | |||
228 | //! draws the element and its children | ||
229 | void CGUIWindow::draw() | ||
230 | { | ||
231 | if (IsVisible) | ||
232 | { | ||
233 | IGUISkin* skin = Environment->getSkin(); | ||
234 | |||
235 | |||
236 | // update each time because the skin is allowed to change this always. | ||
237 | updateClientRect(); | ||
238 | |||
239 | if ( CurrentIconColor != skin->getColor(isEnabled() ? EGDC_WINDOW_SYMBOL : EGDC_GRAY_WINDOW_SYMBOL) ) | ||
240 | refreshSprites(); | ||
241 | |||
242 | core::rect<s32> rect = AbsoluteRect; | ||
243 | |||
244 | // draw body fast | ||
245 | if (DrawBackground) | ||
246 | { | ||
247 | rect = skin->draw3DWindowBackground(this, DrawTitlebar, | ||
248 | skin->getColor(IsActive ? EGDC_ACTIVE_BORDER : EGDC_INACTIVE_BORDER), | ||
249 | AbsoluteRect, &AbsoluteClippingRect); | ||
250 | |||
251 | if (DrawTitlebar && Text.size()) | ||
252 | { | ||
253 | rect.UpperLeftCorner.X += skin->getSize(EGDS_TITLEBARTEXT_DISTANCE_X); | ||
254 | rect.UpperLeftCorner.Y += skin->getSize(EGDS_TITLEBARTEXT_DISTANCE_Y); | ||
255 | rect.LowerRightCorner.X -= skin->getSize(EGDS_WINDOW_BUTTON_WIDTH) + 5; | ||
256 | |||
257 | IGUIFont* font = skin->getFont(EGDF_WINDOW); | ||
258 | if (font) | ||
259 | { | ||
260 | font->draw(Text.c_str(), rect, | ||
261 | skin->getColor(IsActive ? EGDC_ACTIVE_CAPTION:EGDC_INACTIVE_CAPTION), | ||
262 | false, true, &AbsoluteClippingRect); | ||
263 | } | ||
264 | } | ||
265 | } | ||
266 | } | ||
267 | |||
268 | IGUIElement::draw(); | ||
269 | } | ||
270 | |||
271 | |||
272 | //! Returns pointer to the close button | ||
273 | IGUIButton* CGUIWindow::getCloseButton() const | ||
274 | { | ||
275 | return CloseButton; | ||
276 | } | ||
277 | |||
278 | |||
279 | //! Returns pointer to the minimize button | ||
280 | IGUIButton* CGUIWindow::getMinimizeButton() const | ||
281 | { | ||
282 | return MinButton; | ||
283 | } | ||
284 | |||
285 | |||
286 | //! Returns pointer to the maximize button | ||
287 | IGUIButton* CGUIWindow::getMaximizeButton() const | ||
288 | { | ||
289 | return RestoreButton; | ||
290 | } | ||
291 | |||
292 | |||
293 | //! Returns true if the window is draggable, false if not | ||
294 | bool CGUIWindow::isDraggable() const | ||
295 | { | ||
296 | return IsDraggable; | ||
297 | } | ||
298 | |||
299 | |||
300 | //! Sets whether the window is draggable | ||
301 | void CGUIWindow::setDraggable(bool draggable) | ||
302 | { | ||
303 | IsDraggable = draggable; | ||
304 | |||
305 | if (Dragging && !IsDraggable) | ||
306 | Dragging = false; | ||
307 | } | ||
308 | |||
309 | |||
310 | //! Set if the window background will be drawn | ||
311 | void CGUIWindow::setDrawBackground(bool draw) | ||
312 | { | ||
313 | DrawBackground = draw; | ||
314 | } | ||
315 | |||
316 | |||
317 | //! Get if the window background will be drawn | ||
318 | bool CGUIWindow::getDrawBackground() const | ||
319 | { | ||
320 | return DrawBackground; | ||
321 | } | ||
322 | |||
323 | |||
324 | //! Set if the window titlebar will be drawn | ||
325 | void CGUIWindow::setDrawTitlebar(bool draw) | ||
326 | { | ||
327 | DrawTitlebar = draw; | ||
328 | } | ||
329 | |||
330 | |||
331 | //! Get if the window titlebar will be drawn | ||
332 | bool CGUIWindow::getDrawTitlebar() const | ||
333 | { | ||
334 | return DrawTitlebar; | ||
335 | } | ||
336 | |||
337 | |||
338 | void CGUIWindow::updateClientRect() | ||
339 | { | ||
340 | if (! DrawBackground ) | ||
341 | { | ||
342 | ClientRect = core::rect<s32>(0,0, AbsoluteRect.getWidth(), AbsoluteRect.getHeight()); | ||
343 | return; | ||
344 | } | ||
345 | IGUISkin* skin = Environment->getSkin(); | ||
346 | skin->draw3DWindowBackground(this, DrawTitlebar, | ||
347 | skin->getColor(IsActive ? EGDC_ACTIVE_BORDER : EGDC_INACTIVE_BORDER), | ||
348 | AbsoluteRect, &AbsoluteClippingRect, &ClientRect); | ||
349 | ClientRect -= AbsoluteRect.UpperLeftCorner; | ||
350 | } | ||
351 | |||
352 | |||
353 | //! Returns the rectangle of the drawable area (without border, without titlebar and without scrollbars) | ||
354 | core::rect<s32> CGUIWindow::getClientRect() const | ||
355 | { | ||
356 | return ClientRect; | ||
357 | } | ||
358 | |||
359 | |||
360 | //! Writes attributes of the element. | ||
361 | void CGUIWindow::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const | ||
362 | { | ||
363 | IGUIWindow::serializeAttributes(out,options); | ||
364 | |||
365 | out->addBool("IsDraggable", IsDraggable); | ||
366 | out->addBool("DrawBackground", DrawBackground); | ||
367 | out->addBool("DrawTitlebar", DrawTitlebar); | ||
368 | |||
369 | // Currently we can't just serialize attributes of sub-elements. | ||
370 | // To do this we either | ||
371 | // a) allow further serialization after attribute serialiation (second function, callback or event) | ||
372 | // b) add an IGUIElement attribute | ||
373 | // c) extend the attribute system to allow attributes to have sub-attributes | ||
374 | // We just serialize the most important info for now until we can do one of the above solutions. | ||
375 | out->addBool("IsCloseVisible", CloseButton->isVisible()); | ||
376 | out->addBool("IsMinVisible", MinButton->isVisible()); | ||
377 | out->addBool("IsRestoreVisible", RestoreButton->isVisible()); | ||
378 | } | ||
379 | |||
380 | |||
381 | //! Reads attributes of the element | ||
382 | void CGUIWindow::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) | ||
383 | { | ||
384 | IGUIWindow::deserializeAttributes(in,options); | ||
385 | |||
386 | Dragging = false; | ||
387 | IsActive = false; | ||
388 | IsDraggable = in->getAttributeAsBool("IsDraggable"); | ||
389 | DrawBackground = in->getAttributeAsBool("DrawBackground"); | ||
390 | DrawTitlebar = in->getAttributeAsBool("DrawTitlebar"); | ||
391 | |||
392 | CloseButton->setVisible(in->getAttributeAsBool("IsCloseVisible")); | ||
393 | MinButton->setVisible(in->getAttributeAsBool("IsMinVisible")); | ||
394 | RestoreButton->setVisible(in->getAttributeAsBool("IsRestoreVisible")); | ||
395 | |||
396 | updateClientRect(); | ||
397 | } | ||
398 | |||
399 | |||
400 | } // end namespace gui | ||
401 | } // end namespace irr | ||
402 | |||
403 | #endif // _IRR_COMPILE_WITH_GUI_ | ||
404 | |||