1 // Copyright (C) 2002-2012 Nikolaus Gebhardt / Gaz Davidson
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 "CGUITextureCacheBrowser.h"
6 #include "IGUIEnvironment.h"
7 #include "IGUIButton.h"
8 #include "IGUISkin.h"
9 #include "IGUIFont.h"
10 #include "IVideoDriver.h"
11
12 namespace irr
13 {
14 namespace gui
15 {
16
CGUITextureCacheBrowser(IGUIEnvironment * environment,s32 id,IGUIElement * parent)17 CGUITextureCacheBrowser::CGUITextureCacheBrowser(IGUIEnvironment* environment, s32 id, IGUIElement *parent)
18 : IGUIWindow(environment, parent, id, core::rect<s32>(0,0,300,200)),
19 CloseButton(0), Panel(0), SelectedTexture(-1), Dragging(false), IsDraggable(true)
20 {
21 #ifdef _DEBUG
22 setDebugName("CGUITextureCacheBrowser");
23 #endif
24
25 IGUISkin* skin = 0;
26 IGUISpriteBank* sprites = 0;
27 video::SColor color(255,255,255,255);
28
29 if (environment)
30 skin = environment->getSkin();
31
32 s32 buttonw = 15;
33 if (skin)
34 {
35 buttonw = skin->getSize(EGDS_WINDOW_BUTTON_WIDTH);
36 sprites = skin->getSpriteBank();
37 color = skin->getColor(EGDC_WINDOW_SYMBOL);
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->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
45 if (sprites)
46 {
47 CloseButton->setSpriteBank(sprites);
48 CloseButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_CLOSE), color);
49 CloseButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_CLOSE), color);
50 }
51
52 CloseButton->grab();
53
54 // window title
55 Text = L"Texture Browser";
56
57 // panel element
58 Panel = new CGUIPanel(environment, this);
59 Panel->setRelativePosition( core::rect<s32>(1, buttonw + 5, 151, RelativeRect.getHeight() - 1));
60 Panel->setAlignment(EGUIA_UPPERLEFT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
61 Panel->setBorder(true);
62 Panel->setSubElement(true);
63
64 // some buttons
65
66
67 // add images from texture cache
68 updateImageList();
69
70 }
71
~CGUITextureCacheBrowser()72 CGUITextureCacheBrowser::~CGUITextureCacheBrowser()
73 {
74 if (CloseButton)
75 CloseButton->drop();
76 if (Panel)
77 Panel->drop();
78
79 // drop images
80 u32 i;
81 for (i=0; i<Images.size(); ++i)
82 {
83 Images[i]->drop();
84 Images[i]->remove();
85 }
86 Images.clear();
87 }
updateImageList()88 void CGUITextureCacheBrowser::updateImageList()
89 {
90 if (!Panel)
91 return;
92
93 video::IVideoDriver* Driver = Environment->getVideoDriver();
94
95 // clear images
96 u32 i;
97 for (i=0; i<Images.size(); ++i)
98 {
99 Images[i]->drop();
100 Images[i]->remove();
101 }
102 Images.clear();
103
104 u32 count = (u32)Driver->getTextureCount();
105
106 s32 h = Panel->getClientArea().getWidth()-10;
107 s32 hw = h/2;
108 core::rect<s32> pos(Panel->getClientArea().getCenter().X - Panel->getAbsolutePosition().UpperLeftCorner.X - hw, 5,
109 Panel->getClientArea().getCenter().X - Panel->getAbsolutePosition().UpperLeftCorner.X + hw, h+5);
110
111 core::position2di moveDist(0, h+5);
112
113 for (u32 i=0; i<count; ++i)
114 {
115 core::stringw details;
116 video::ITexture* tex = Driver->getTextureByIndex(i);
117 details = L"File name: ";
118 details += tex->getName();
119 details += L"\nFormat: ";
120 video::ECOLOR_FORMAT cf = tex->getColorFormat();
121
122 bool alpha = false;
123
124 switch (cf)
125 {
126 case video::ECF_A1R5G5B5:
127 details += L"A1R5G5B5 (16-bit with 1-bit alpha channel)\n";
128 alpha = true;
129 break;
130 case video::ECF_R5G6B5:
131 details += L"R5G6B5 (16-bit, no alpha channel)\n";
132 break;
133 case video::ECF_R8G8B8:
134 details += L"R8G8B8 (16-bit, no alpha channel)\n";
135 break;
136 case video::ECF_A8R8G8B8:
137 details += L"R8G8B8 (32-bit with 8-bit alpha channel)\n";
138 alpha = true;
139 break;
140 default:
141 details += L"Unknown\n";
142 }
143
144 core::dimension2du osize = tex->getOriginalSize();
145 core::dimension2du size = tex->getOriginalSize();
146
147 details += "Size: ";
148 details += size.Width;
149 details += "x";
150 details += size.Height;
151
152 if (osize != size)
153 {
154 details += "\nOriginal Size: ";
155 details += osize.Width;
156 details += "x";
157 details += osize.Height;
158 }
159
160 details += L"\nMip-maps: ";
161
162 if (tex->hasMipMaps())
163 details += L"Yes\n";
164 else
165 details += L"No\n";
166
167 IGUIImage* img = Environment->addImage(tex, core::position2di(1,1), alpha, Panel, i);
168 img->grab();
169 Images.push_back(img);
170 img->setRelativePosition(pos);
171 img->setToolTipText(details.c_str());
172 img->setScaleImage(true);
173 img->setColor( SelectedTexture == (s32)i ? video::SColor(255,255,255,255) : video::SColor(128,128,128,128) );
174
175 pos = pos + moveDist;
176 }
177 }
178
updateAbsolutePosition()179 void CGUITextureCacheBrowser::updateAbsolutePosition()
180 {
181 IGUIWindow::updateAbsolutePosition();
182 updateImageList();
183 }
184
185 //! called if an event happened.
OnEvent(const SEvent & event)186 bool CGUITextureCacheBrowser::OnEvent(const SEvent &event)
187 {
188 switch(event.EventType)
189 {
190 case EET_GUI_EVENT:
191 if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
192 {
193 if (event.GUIEvent.Caller == (IGUIElement*)this)
194 Dragging = false;
195 return true;
196 }
197 else
198 if (event.GUIEvent.EventType == EGET_BUTTON_CLICKED)
199 {
200 if (event.GUIEvent.Caller == CloseButton)
201 {
202 remove();
203 return true;
204 }
205 }
206 break;
207 case EET_MOUSE_INPUT_EVENT:
208 switch(event.MouseInput.Event)
209 {
210 case EMIE_LMOUSE_PRESSED_DOWN:
211 DragStart.X = event.MouseInput.X;
212 DragStart.Y = event.MouseInput.Y;
213
214 if (getElementFromPoint(DragStart) == this)
215 {
216 if (!Environment->hasFocus(this))
217 {
218 Dragging = IsDraggable;
219 //Environment->setFocus(this);
220 if (Parent)
221 Parent->bringToFront(this);
222 }
223 return true;
224 }
225 else
226 {
227 if (Panel->getAbsolutePosition().isPointInside(DragStart))
228 {
229 // select an image
230 IGUIElement* el = Panel->getElementFromPoint(DragStart);
231 if (el && el != Panel)
232 {
233 if (el->getType() == EGUIET_IMAGE)
234 {
235 setSelected(el->getID());
236 }
237 }
238 else
239 {
240 setSelected();
241 }
242 }
243 }
244 break;
245 case EMIE_LMOUSE_LEFT_UP:
246 Dragging = false;
247 //Environment->removeFocus(this);
248 return true;
249 case EMIE_MOUSE_MOVED:
250 if (Dragging)
251 {
252 // gui window should not be dragged outside its parent
253 if (Parent)
254 if (event.MouseInput.X < Parent->getAbsolutePosition().UpperLeftCorner.X +1 ||
255 event.MouseInput.Y < Parent->getAbsolutePosition().UpperLeftCorner.Y +1 ||
256 event.MouseInput.X > Parent->getAbsolutePosition().LowerRightCorner.X -1 ||
257 event.MouseInput.Y > Parent->getAbsolutePosition().LowerRightCorner.Y -1)
258
259 return true;
260
261
262 move(core::position2d<s32>(event.MouseInput.X - DragStart.X, event.MouseInput.Y - DragStart.Y));
263 DragStart.X = event.MouseInput.X;
264 DragStart.Y = event.MouseInput.Y;
265 return true;
266 }
267 break;
268 default:
269 break;
270 }
271 default:
272 break;
273 }
274
275 return Parent ? Parent->OnEvent(event) : false;
276 }
277
setSelected(s32 index)278 void CGUITextureCacheBrowser::setSelected(s32 index)
279 {
280 SelectedTexture = index;
281 updateImageList();
282 printf("Texture %d selected\n", index);
283 }
284
draw()285 void CGUITextureCacheBrowser::draw()
286 {
287 if (!IsVisible)
288 return;
289
290 IGUISkin* skin = Environment->getSkin();
291
292 core::rect<s32> rect = AbsoluteRect;
293 core::rect<s32> *cl = &AbsoluteClippingRect;
294
295 // draw body fast
296 rect = skin->draw3DWindowBackground(this, true, skin->getColor(EGDC_ACTIVE_BORDER),
297 AbsoluteRect, &AbsoluteClippingRect);
298
299 // draw window text
300 if (Text.size())
301 {
302 rect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X);
303 rect.UpperLeftCorner.Y += skin->getSize(EGDS_TEXT_DISTANCE_Y);
304 rect.LowerRightCorner.X -= skin->getSize(EGDS_WINDOW_BUTTON_WIDTH) + 5;
305
306 IGUIFont* font = skin->getFont();
307 if (font)
308 font->draw(Text.c_str(), rect, skin->getColor(EGDC_ACTIVE_CAPTION), false, true, cl);
309 }
310
311 IGUIElement::draw();
312 }
313
314
isDraggable() const315 bool CGUITextureCacheBrowser::isDraggable() const
316 {
317 return IsDraggable;
318 }
319
setDraggable(bool draggable)320 void CGUITextureCacheBrowser::setDraggable(bool draggable)
321 {
322 IsDraggable = draggable;
323
324 if (Dragging && !IsDraggable)
325 Dragging = false;
326 }
327
328
329 //! Returns the rectangle of the drawable area (without border, without titlebar and without scrollbars)
getClientRect() const330 core::rect<s32> CGUITextureCacheBrowser::getClientRect() const
331 {
332 return core::recti();
333 }
334
335 } // namespace gui
336 } // namespace irr
337