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diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CGUIMenu.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CGUIMenu.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 "CGUIMenu.h"
6#ifdef _IRR_COMPILE_WITH_GUI_
7
8#include "IGUISkin.h"
9#include "IGUIEnvironment.h"
10#include "IVideoDriver.h"
11#include "IGUIFont.h"
12#include "IGUIWindow.h"
13
14#include "os.h"
15
16namespace irr
17{
18namespace gui
19{
20
21//! constructor
22CGUIMenu::CGUIMenu(IGUIEnvironment* environment, IGUIElement* parent,
23 s32 id, core::rect<s32> rectangle)
24 : CGUIContextMenu(environment, parent, id, rectangle, false, true)
25{
26 #ifdef _DEBUG
27 setDebugName("CGUIMenu");
28 #endif
29
30 Type = EGUIET_MENU;
31
32 setNotClipped(false);
33
34 recalculateSize();
35}
36
37
38//! draws the element and its children
39void CGUIMenu::draw()
40{
41 if (!IsVisible)
42 return;
43
44 IGUISkin* skin = Environment->getSkin();
45 IGUIFont* font = skin->getFont(EGDF_MENU);
46
47 if (font != LastFont)
48 {
49 if (LastFont)
50 LastFont->drop();
51 LastFont = font;
52 if (LastFont)
53 LastFont->grab();
54
55 recalculateSize();
56 }
57
58 core::rect<s32> rect = AbsoluteRect;
59
60 // draw frame
61
62 skin->draw3DToolBar(this, rect, &AbsoluteClippingRect);
63
64 // loop through all menu items
65
66 rect = AbsoluteRect;
67
68 for (s32 i=0; i<(s32)Items.size(); ++i)
69 {
70 if (!Items[i].IsSeparator)
71 {
72 rect = getRect(Items[i], AbsoluteRect);
73
74 // draw highlighted
75 if (i == HighLighted && Items[i].Enabled)
76 {
77 skin->draw3DSunkenPane(this, skin->getColor(EGDC_3D_DARK_SHADOW),
78 true, true, rect, &AbsoluteClippingRect);
79 }
80 // draw text
81
82 EGUI_DEFAULT_COLOR c = EGDC_BUTTON_TEXT;
83
84 if (i == HighLighted)
85 c = EGDC_HIGH_LIGHT_TEXT;
86
87 if (!Items[i].Enabled)
88 c = EGDC_GRAY_TEXT;
89
90 if (font)
91 font->draw(Items[i].Text.c_str(), rect,
92 skin->getColor(c), true, true, &AbsoluteClippingRect);
93 }
94 }
95
96 IGUIElement::draw();
97}
98
99
100//! called if an event happened.
101bool CGUIMenu::OnEvent(const SEvent& event)
102{
103 if (isEnabled())
104 {
105
106 switch(event.EventType)
107 {
108 case EET_GUI_EVENT:
109 switch(event.GUIEvent.EventType)
110 {
111 case gui::EGET_ELEMENT_FOCUS_LOST:
112 if (event.GUIEvent.Caller == this && !isMyChild(event.GUIEvent.Element))
113 {
114 closeAllSubMenus();
115 HighLighted = -1;
116 }
117 break;
118 case gui::EGET_ELEMENT_FOCUSED:
119 if (event.GUIEvent.Caller == this && Parent)
120 {
121 Parent->bringToFront(this);
122 }
123 break;
124 default:
125 break;
126 }
127 break;
128 case EET_MOUSE_INPUT_EVENT:
129 switch(event.MouseInput.Event)
130 {
131 case EMIE_LMOUSE_PRESSED_DOWN:
132 {
133 if (!Environment->hasFocus(this))
134 {
135 Environment->setFocus(this);
136 }
137
138 if (Parent)
139 Parent->bringToFront(this);
140
141 core::position2d<s32> p(event.MouseInput.X, event.MouseInput.Y);
142 bool shouldCloseSubMenu = hasOpenSubMenu();
143 if (!AbsoluteClippingRect.isPointInside(p))
144 {
145 shouldCloseSubMenu = false;
146 }
147 highlight(core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y), true);
148 if ( shouldCloseSubMenu )
149 {
150 Environment->removeFocus(this);
151 }
152
153 return true;
154 }
155 case EMIE_LMOUSE_LEFT_UP:
156 {
157 core::position2d<s32> p(event.MouseInput.X, event.MouseInput.Y);
158 if (!AbsoluteClippingRect.isPointInside(p))
159 {
160 s32 t = sendClick(p);
161 if ((t==0 || t==1) && Environment->hasFocus(this))
162 Environment->removeFocus(this);
163 }
164
165 return true;
166 }
167 case EMIE_MOUSE_MOVED:
168 if (Environment->hasFocus(this) && HighLighted >= 0)
169 {
170 s32 oldHighLighted = HighLighted;
171 highlight(core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y), true);
172 if ( HighLighted < 0 )
173 HighLighted = oldHighLighted; // keep last hightlight active when moving outside the area
174 }
175 return true;
176 default:
177 break;
178 }
179 break;
180 default:
181 break;
182 }
183 }
184
185 return IGUIElement::OnEvent(event);
186}
187
188void CGUIMenu::recalculateSize()
189{
190 core::rect<s32> clientRect; // client rect of parent
191 if ( Parent && Parent->hasType(EGUIET_WINDOW) )
192 {
193 clientRect = static_cast<IGUIWindow*>(Parent)->getClientRect();
194 }
195 else if ( Parent )
196 {
197 clientRect = core::rect<s32>(0,0, Parent->getAbsolutePosition().getWidth(),
198 Parent->getAbsolutePosition().getHeight());
199 }
200 else
201 {
202 clientRect = RelativeRect;
203 }
204
205
206 IGUISkin* skin = Environment->getSkin();
207 IGUIFont* font = skin->getFont(EGDF_MENU);
208
209 if (!font)
210 {
211 if (Parent && skin)
212 RelativeRect = core::rect<s32>(clientRect.UpperLeftCorner.X, clientRect.UpperLeftCorner.Y,
213 clientRect.LowerRightCorner.X, clientRect.UpperLeftCorner.Y+skin->getSize(EGDS_MENU_HEIGHT));
214 return;
215 }
216
217 core::rect<s32> rect;
218 rect.UpperLeftCorner = clientRect.UpperLeftCorner;
219 s32 height = font->getDimension(L"A").Height + 5;
220 //if (skin && height < skin->getSize ( EGDS_MENU_HEIGHT ))
221 // height = skin->getSize(EGDS_MENU_HEIGHT);
222 s32 width = rect.UpperLeftCorner.X;
223 s32 i;
224
225 for (i=0; i<(s32)Items.size(); ++i)
226 {
227 if (Items[i].IsSeparator)
228 {
229 Items[i].Dim.Width = 0;
230 Items[i].Dim.Height = height;
231 }
232 else
233 {
234 Items[i].Dim = font->getDimension(Items[i].Text.c_str());
235 Items[i].Dim.Width += 20;
236 }
237
238 Items[i].PosY = width;
239 width += Items[i].Dim.Width;
240 }
241
242 width = clientRect.getWidth();
243
244 rect.LowerRightCorner.X = rect.UpperLeftCorner.X + width;
245 rect.LowerRightCorner.Y = rect.UpperLeftCorner.Y + height;
246
247 setRelativePosition(rect);
248
249 // recalculate submenus
250 for (i=0; i<(s32)Items.size(); ++i)
251 if (Items[i].SubMenu)
252 {
253 // move submenu
254 s32 w = Items[i].SubMenu->getAbsolutePosition().getWidth();
255 s32 h = Items[i].SubMenu->getAbsolutePosition().getHeight();
256
257 Items[i].SubMenu->setRelativePosition(
258 core::rect<s32>(Items[i].PosY, height ,
259 Items[i].PosY+w-5, height+h));
260 }
261}
262
263
264//! returns the item highlight-area
265core::rect<s32> CGUIMenu::getHRect(const SItem& i, const core::rect<s32>& absolute) const
266{
267 core::rect<s32> r = absolute;
268 r.UpperLeftCorner.X += i.PosY;
269 r.LowerRightCorner.X = r.UpperLeftCorner.X + i.Dim.Width;
270 return r;
271}
272
273
274//! Gets drawing rect of Item
275core::rect<s32> CGUIMenu::getRect(const SItem& i, const core::rect<s32>& absolute) const
276{
277 return getHRect(i, absolute);
278}
279
280
281void CGUIMenu::updateAbsolutePosition()
282{
283 if (Parent)
284 DesiredRect.LowerRightCorner.X = Parent->getAbsolutePosition().getWidth();
285
286 IGUIElement::updateAbsolutePosition();
287}
288
289
290} // end namespace
291} // end namespace
292
293#endif // _IRR_COMPILE_WITH_GUI_
294
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