-
Notifications
You must be signed in to change notification settings - Fork 933
/
widget.cpp
430 lines (375 loc) · 13.6 KB
/
widget.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
#include "widget.hpp"
#include <SDL_events.h>
#include <components/sdlutil/sdlmappings.hpp>
namespace LuaUi
{
WidgetExtension::WidgetExtension()
: mForcePosition(false)
, mForceSize(false)
, mPropagateEvents(true)
, mVisible(true)
, mLua(nullptr)
, mWidget(nullptr)
, mSlot(this)
, mLayout(sol::nil)
, mProperties(sol::nil)
, mTemplateProperties(sol::nil)
, mExternal(sol::nil)
, mParent(nullptr)
, mTemplateChild(false)
, mElementRoot(false)
{
}
void WidgetExtension::initialize(lua_State* lua, MyGUI::Widget* self, bool isRoot)
{
mLua = lua;
mWidget = self;
mElementRoot = isRoot;
initialize();
updateTemplate();
}
void WidgetExtension::initialize()
{
// \todo might be more efficient to only register these if there are Lua callbacks
registerEvents(mWidget);
}
void WidgetExtension::deinitialize()
{
clearCallbacks();
clearEvents(mWidget);
for (WidgetExtension* w : mChildren)
w->deinitialize();
for (WidgetExtension* w : mTemplateChildren)
w->deinitialize();
}
void WidgetExtension::registerEvents(MyGUI::Widget* w)
{
w->eventKeyButtonPressed += MyGUI::newDelegate(this, &WidgetExtension::keyPress);
w->eventKeyButtonReleased += MyGUI::newDelegate(this, &WidgetExtension::keyRelease);
w->eventMouseButtonClick += MyGUI::newDelegate(this, &WidgetExtension::mouseClick);
w->eventMouseButtonDoubleClick += MyGUI::newDelegate(this, &WidgetExtension::mouseDoubleClick);
w->eventMouseButtonPressed += MyGUI::newDelegate(this, &WidgetExtension::mousePress);
w->eventMouseButtonReleased += MyGUI::newDelegate(this, &WidgetExtension::mouseRelease);
w->eventMouseMove += MyGUI::newDelegate(this, &WidgetExtension::mouseMove);
w->eventMouseDrag += MyGUI::newDelegate(this, &WidgetExtension::mouseDrag);
w->eventMouseSetFocus += MyGUI::newDelegate(this, &WidgetExtension::focusGain);
w->eventMouseLostFocus += MyGUI::newDelegate(this, &WidgetExtension::focusLoss);
w->eventKeySetFocus += MyGUI::newDelegate(this, &WidgetExtension::focusGain);
w->eventKeyLostFocus += MyGUI::newDelegate(this, &WidgetExtension::focusLoss);
}
void WidgetExtension::clearEvents(MyGUI::Widget* w)
{
w->eventKeyButtonPressed.clear();
w->eventKeyButtonReleased.clear();
w->eventMouseButtonClick.clear();
w->eventMouseButtonDoubleClick.clear();
w->eventMouseButtonPressed.clear();
w->eventMouseButtonReleased.clear();
w->eventMouseMove.clear();
w->eventMouseDrag.clear();
w->eventMouseSetFocus.clear();
w->eventMouseLostFocus.clear();
w->eventKeySetFocus.clear();
w->eventKeyLostFocus.clear();
}
void WidgetExtension::reset()
{
// detach all children from the slot widget, in case it gets destroyed
for (auto& w : mChildren)
w->widget()->detachFromWidget();
}
void WidgetExtension::updateVisible()
{
// workaround for MyGUI bug
// parent visibility doesn't affect added children
MyGUI::Widget* parent = widget()->getParent();
bool inheritedVisible = mVisible && (parent == nullptr || parent->getInheritedVisible());
widget()->setVisible(inheritedVisible);
}
void WidgetExtension::attach(WidgetExtension* ext)
{
if (ext->mParent != this)
{
if (ext->mParent)
{
auto children = ext->mParent->children();
std::erase(children, this);
ext->mParent->setChildren(children);
}
ext->detachFromParent();
}
ext->mParent = this;
ext->mTemplateChild = false;
ext->widget()->attachToWidget(mSlot->widget());
}
void WidgetExtension::attachTemplate(WidgetExtension* ext)
{
ext->mParent = this;
ext->mTemplateChild = true;
ext->widget()->attachToWidget(widget());
}
void WidgetExtension::detachFromParent()
{
mParent = nullptr;
widget()->detachFromWidget();
}
WidgetExtension* WidgetExtension::findDeep(std::string_view flagName)
{
for (WidgetExtension* w : mChildren)
{
WidgetExtension* result = w->findDeep(flagName);
if (result != nullptr)
return result;
}
if (externalValue(flagName, false))
return this;
return nullptr;
}
void WidgetExtension::findAll(std::string_view flagName, std::vector<WidgetExtension*>& result)
{
if (externalValue(flagName, false))
result.push_back(this);
for (WidgetExtension* w : mChildren)
w->findAll(flagName, result);
}
WidgetExtension* WidgetExtension::findDeepInTemplates(std::string_view flagName)
{
for (WidgetExtension* w : mTemplateChildren)
{
WidgetExtension* result = w->findDeep(flagName);
if (result != nullptr)
return result;
}
return nullptr;
}
std::vector<WidgetExtension*> WidgetExtension::findAllInTemplates(std::string_view flagName)
{
std::vector<WidgetExtension*> result;
for (WidgetExtension* w : mTemplateChildren)
w->findAll(flagName, result);
return result;
}
sol::table WidgetExtension::makeTable() const
{
return sol::table(lua(), sol::create);
}
sol::object WidgetExtension::keyEvent(MyGUI::KeyCode code) const
{
auto keySym = SDL_Keysym();
keySym.sym = SDLUtil::myGuiKeyToSdl(code);
keySym.scancode = SDL_GetScancodeFromKey(keySym.sym);
keySym.mod = SDL_GetModState();
return sol::make_object(lua(), keySym);
}
sol::object WidgetExtension::mouseEvent(
int left, int top, MyGUI::MouseButton button = MyGUI::MouseButton::None) const
{
osg::Vec2f position(left, top);
MyGUI::IntPoint absolutePosition = mWidget->getAbsolutePosition();
osg::Vec2f offset = position - osg::Vec2f(absolutePosition.left, absolutePosition.top);
sol::table table = makeTable();
int sdlButton = SDLUtil::myGuiMouseButtonToSdl(button);
table["position"] = position;
table["offset"] = offset;
if (sdlButton != 0) // nil if no button was pressed
table["button"] = sdlButton;
return table;
}
void WidgetExtension::setChildren(const std::vector<WidgetExtension*>& children)
{
mChildren.resize(children.size());
for (size_t i = 0; i < children.size(); ++i)
{
mChildren[i] = children[i];
attach(mChildren[i]);
}
updateChildren();
}
void WidgetExtension::setTemplateChildren(const std::vector<WidgetExtension*>& children)
{
mTemplateChildren.resize(children.size());
for (size_t i = 0; i < children.size(); ++i)
{
mTemplateChildren[i] = children[i];
attachTemplate(mTemplateChildren[i]);
}
updateTemplate();
}
void WidgetExtension::updateTemplate()
{
WidgetExtension* slot = findDeepInTemplates("slot");
if (slot == nullptr)
mSlot = this;
else
mSlot = slot->mSlot;
}
void WidgetExtension::setCallback(const std::string& name, const LuaUtil::Callback& callback)
{
mCallbacks[name] = callback;
}
void WidgetExtension::clearCallbacks()
{
mCallbacks.clear();
}
MyGUI::IntCoord WidgetExtension::forcedCoord()
{
return mForcedCoord;
}
void WidgetExtension::forceCoord(const MyGUI::IntCoord& offset)
{
mForcePosition = true;
mForceSize = true;
mForcedCoord = offset;
}
void WidgetExtension::forcePosition(const MyGUI::IntPoint& pos)
{
mForcePosition = true;
mForcedCoord = pos;
}
void WidgetExtension::forceSize(const MyGUI::IntSize& size)
{
mForceSize = true;
mForcedCoord = size;
}
void WidgetExtension::clearForced()
{
mForcePosition = false;
mForceSize = false;
}
void WidgetExtension::updateCoord()
{
updateVisible();
MyGUI::IntCoord oldCoord = mWidget->getCoord();
MyGUI::IntCoord newCoord = calculateCoord();
if (oldCoord != newCoord)
mWidget->setCoord(newCoord);
updateChildrenCoord();
}
void WidgetExtension::setProperties(const sol::object& props)
{
mProperties = props;
updateProperties();
}
void WidgetExtension::updateProperties()
{
mPropagateEvents = propertyValue("propagateEvents", true);
mAbsoluteCoord = propertyValue("position", MyGUI::IntPoint());
mAbsoluteCoord = propertyValue("size", MyGUI::IntSize());
mRelativeCoord = propertyValue("relativePosition", MyGUI::FloatPoint());
mRelativeCoord = propertyValue("relativeSize", MyGUI::FloatSize());
mAnchor = propertyValue("anchor", MyGUI::FloatSize());
mVisible = propertyValue("visible", true);
mWidget->setVisible(mVisible);
mWidget->setPointer(propertyValue("pointer", std::string("arrow")));
mWidget->setAlpha(propertyValue("alpha", 1.f));
mWidget->setInheritsAlpha(propertyValue("inheritAlpha", true));
}
void WidgetExtension::updateChildrenCoord()
{
for (WidgetExtension* w : mTemplateChildren)
w->updateCoord();
for (WidgetExtension* w : mChildren)
w->updateCoord();
}
MyGUI::IntSize WidgetExtension::parentSize() const
{
if (!mParent)
return widget()->getParentSize(); // size of the layer
if (mTemplateChild)
return mParent->templateScalingSize();
else
return mParent->childScalingSize();
}
MyGUI::IntSize WidgetExtension::calculateSize() const
{
if (mForceSize)
return mForcedCoord.size();
MyGUI::IntSize pSize = parentSize();
MyGUI::IntSize newSize;
newSize = mAbsoluteCoord.size();
newSize.width += mRelativeCoord.width * pSize.width;
newSize.height += mRelativeCoord.height * pSize.height;
return newSize;
}
MyGUI::IntPoint WidgetExtension::calculatePosition(const MyGUI::IntSize& size) const
{
if (mForcePosition)
return mForcedCoord.point();
MyGUI::IntSize pSize = parentSize();
MyGUI::IntPoint newPosition;
newPosition = mAbsoluteCoord.point();
newPosition.left += mRelativeCoord.left * pSize.width - mAnchor.width * size.width;
newPosition.top += mRelativeCoord.top * pSize.height - mAnchor.height * size.height;
return newPosition;
}
MyGUI::IntCoord WidgetExtension::calculateCoord() const
{
MyGUI::IntCoord newCoord;
newCoord = calculateSize();
newCoord = calculatePosition(newCoord.size());
return newCoord;
}
MyGUI::IntSize WidgetExtension::childScalingSize() const
{
return mSlot->widget()->getSize();
}
MyGUI::IntSize WidgetExtension::templateScalingSize() const
{
return widget()->getSize();
}
void WidgetExtension::triggerEvent(std::string_view name, sol::object argument) const
{
auto it = mCallbacks.find(name);
if (it != mCallbacks.end())
it->second.call(argument, mLayout);
}
void WidgetExtension::keyPress(MyGUI::Widget*, MyGUI::KeyCode code, MyGUI::Char ch)
{
if (code == MyGUI::KeyCode::None)
{
propagateEvent("textInput", [ch](auto w) {
MyGUI::UString uString;
uString.push_back(static_cast<MyGUI::UString::unicode_char>(ch));
return sol::make_object(w->lua(), uString.asUTF8());
});
}
else
propagateEvent("keyPress", [code](auto w) { return w->keyEvent(code); });
}
void WidgetExtension::keyRelease(MyGUI::Widget*, MyGUI::KeyCode code)
{
propagateEvent("keyRelease", [code](auto w) { return w->keyEvent(code); });
}
void WidgetExtension::mouseMove(MyGUI::Widget*, int left, int top)
{
propagateEvent("mouseMove", [left, top](auto w) { return w->mouseEvent(left, top); });
}
void WidgetExtension::mouseDrag(MyGUI::Widget*, int left, int top, MyGUI::MouseButton button)
{
propagateEvent("mouseMove", [left, top, button](auto w) { return w->mouseEvent(left, top, button); });
}
void WidgetExtension::mouseClick(MyGUI::Widget* _widget)
{
propagateEvent("mouseClick", [](auto) { return sol::nil; });
}
void WidgetExtension::mouseDoubleClick(MyGUI::Widget* _widget)
{
propagateEvent("mouseDoubleClick", [](auto) { return sol::nil; });
}
void WidgetExtension::mousePress(MyGUI::Widget*, int left, int top, MyGUI::MouseButton button)
{
propagateEvent("mousePress", [left, top, button](auto w) { return w->mouseEvent(left, top, button); });
}
void WidgetExtension::mouseRelease(MyGUI::Widget*, int left, int top, MyGUI::MouseButton button)
{
propagateEvent("mouseRelease", [left, top, button](auto w) { return w->mouseEvent(left, top, button); });
}
void WidgetExtension::focusGain(MyGUI::Widget*, MyGUI::Widget*)
{
propagateEvent("focusGain", [](auto) { return sol::nil; });
}
void WidgetExtension::focusLoss(MyGUI::Widget*, MyGUI::Widget*)
{
propagateEvent("focusLoss", [](auto) { return sol::nil; });
}
}