forked from teamnwah/openmw-tes3coop
Merge pull request #1481 from scrawl/keyfocus
WindowManager overhaul & improved keyboard supportnew-script-api
scrawl
7 years ago
committed by
GitHub
commit
64e27c032b
@ -0,0 +1,283 @@
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#include "keyboardnavigation.hpp"
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#include <MyGUI_InputManager.h>
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#include <MyGUI_WidgetManager.h>
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#include <MyGUI_Button.h>
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#include <MyGUI_Gui.h>
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#include <MyGUI_Window.h>
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#include "../mwbase/windowmanager.hpp"
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#include "../mwbase/environment.hpp"
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namespace MWGui
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{
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/// Recursively get all child widgets that accept keyboard input
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void getKeyFocusWidgets(MyGUI::Widget* parent, std::vector<MyGUI::Widget*>& results)
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{
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if (!parent->getVisible() || !parent->getEnabled())
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return;
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MyGUI::EnumeratorWidgetPtr enumerator = parent->getEnumerator();
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while (enumerator.next())
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{
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MyGUI::Widget* w = enumerator.current();
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if (!w->getVisible() || !w->getEnabled())
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continue;
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if (w->getNeedKeyFocus())
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results.push_back(w);
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else
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getKeyFocusWidgets(w, results);
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}
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}
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bool shouldAcceptKeyFocus(MyGUI::Widget* w)
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{
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return w && !w->castType<MyGUI::Window>(false) && w->getInheritedEnabled() && w->getInheritedVisible() && w->getVisible() && w->getEnabled();
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}
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KeyboardNavigation::KeyboardNavigation()
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: mCurrentFocus(nullptr)
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, mModalWindow(nullptr)
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{
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MyGUI::WidgetManager::getInstance().registerUnlinker(this);
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}
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KeyboardNavigation::~KeyboardNavigation()
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{
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MyGUI::WidgetManager::getInstance().unregisterUnlinker(this);
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}
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void KeyboardNavigation::saveFocus(int mode)
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{
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MyGUI::Widget* focus = MyGUI::InputManager::getInstance().getKeyFocusWidget();
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if (shouldAcceptKeyFocus(focus))
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{
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mKeyFocus[mode] = focus;
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}
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else
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{
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mKeyFocus[mode] = mCurrentFocus;
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}
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}
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void KeyboardNavigation::restoreFocus(int mode)
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{
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std::map<int, MyGUI::Widget*>::const_iterator found = mKeyFocus.find(mode);
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if (found != mKeyFocus.end())
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{
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MyGUI::Widget* w = found->second;
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if (w && w->getVisible() && w->getEnabled())
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MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(found->second);
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}
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}
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void KeyboardNavigation::_unlinkWidget(MyGUI::Widget *widget)
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{
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for (std::pair<const int, MyGUI::Widget*>& w : mKeyFocus)
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if (w.second == widget)
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w.second = nullptr;
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if (widget == mCurrentFocus)
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mCurrentFocus = nullptr;
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}
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void styleFocusedButton(MyGUI::Widget* w)
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{
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if (w)
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{
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if (MyGUI::Button* b = w->castType<MyGUI::Button>(false))
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{
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b->_setWidgetState("highlighted");
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}
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}
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}
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bool isRootParent(MyGUI::Widget* widget, MyGUI::Widget* root)
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{
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while (widget && widget->getParent())
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widget = widget->getParent();
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return widget == root;
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}
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void KeyboardNavigation::onFrame()
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{
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MyGUI::Widget* focus = MyGUI::InputManager::getInstance().getKeyFocusWidget();
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if (focus == mCurrentFocus)
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{
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styleFocusedButton(mCurrentFocus);
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return;
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}
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// workaround incorrect key focus resets (fix in MyGUI TBD)
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if (!shouldAcceptKeyFocus(focus) && shouldAcceptKeyFocus(mCurrentFocus) && (!mModalWindow || isRootParent(mCurrentFocus, mModalWindow)))
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{
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MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(mCurrentFocus);
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focus = mCurrentFocus;
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}
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// style highlighted button (won't be needed for MyGUI 3.2.3)
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if (focus != mCurrentFocus)
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{
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if (mCurrentFocus)
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{
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if (MyGUI::Button* b = mCurrentFocus->castType<MyGUI::Button>(false))
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b->_setWidgetState("normal");
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}
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mCurrentFocus = focus;
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}
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styleFocusedButton(mCurrentFocus);
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}
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void KeyboardNavigation::setDefaultFocus(MyGUI::Widget *window, MyGUI::Widget *defaultFocus)
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{
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MyGUI::Widget* focus = MyGUI::InputManager::getInstance().getKeyFocusWidget();
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if (!focus || !shouldAcceptKeyFocus(focus))
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{
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MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(defaultFocus);
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}
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else
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{
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if (!isRootParent(focus, window))
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MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(defaultFocus);
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}
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}
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void KeyboardNavigation::setModalWindow(MyGUI::Widget *window)
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{
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mModalWindow = window;
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}
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enum Direction
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{
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D_Left,
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D_Up,
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D_Right,
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D_Down,
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D_Next,
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D_Prev
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};
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bool KeyboardNavigation::injectKeyPress(MyGUI::KeyCode key, unsigned int text)
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{
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switch (key.getValue())
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{
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case MyGUI::KeyCode::ArrowLeft:
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return switchFocus(D_Left, false);
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case MyGUI::KeyCode::ArrowRight:
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return switchFocus(D_Right, false);
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case MyGUI::KeyCode::ArrowUp:
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return switchFocus(D_Up, false);
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case MyGUI::KeyCode::ArrowDown:
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return switchFocus(D_Down, false);
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case MyGUI::KeyCode::Tab:
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return switchFocus(MyGUI::InputManager::getInstance().isShiftPressed() ? D_Prev : D_Next, true);
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case MyGUI::KeyCode::Return:
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case MyGUI::KeyCode::NumpadEnter:
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case MyGUI::KeyCode::Space:
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return accept();
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default:
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return false;
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}
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}
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bool KeyboardNavigation::switchFocus(int direction, bool wrap)
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{
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MyGUI::Widget* focus = MyGUI::InputManager::getInstance().getKeyFocusWidget();
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bool isCycle = (direction == D_Prev || direction == D_Next);
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if ((focus && focus->getTypeName().find("Button") == std::string::npos) && !isCycle)
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return false;
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if (focus && isCycle && focus->getUserString("AcceptTab") == "true")
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return false;
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if ((!focus || !focus->getNeedKeyFocus()) && isCycle)
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{
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// if nothing is selected, select the first widget
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return selectFirstWidget();
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}
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if (!focus)
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return false;
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MyGUI::Widget* window = focus;
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while (window && window->getParent())
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window = window->getParent();
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MyGUI::VectorWidgetPtr keyFocusList;
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getKeyFocusWidgets(window, keyFocusList);
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if (keyFocusList.empty())
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return false;
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MyGUI::VectorWidgetPtr::iterator found = std::find(keyFocusList.begin(), keyFocusList.end(), focus);
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if (found == keyFocusList.end())
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{
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if (isCycle)
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return selectFirstWidget();
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else
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return false;
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}
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bool forward = (direction == D_Next || direction == D_Right || direction == D_Down);
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int index = found - keyFocusList.begin();
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index = forward ? (index+1) : (index-1);
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if (wrap)
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index = (index + keyFocusList.size())%keyFocusList.size();
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else
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index = std::min(std::max(0, index), static_cast<int>(keyFocusList.size())-1);
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MyGUI::Widget* next = keyFocusList[index];
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int vertdiff = next->getTop() - focus->getTop();
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int horizdiff = next->getLeft() - focus->getLeft();
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bool isVertical = std::abs(vertdiff) > std::abs(horizdiff);
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if (direction == D_Right && (horizdiff <= 0 || isVertical))
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return false;
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else if (direction == D_Left && (horizdiff >= 0 || isVertical))
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return false;
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else if (direction == D_Down && (vertdiff <= 0 || !isVertical))
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return false;
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else if (direction == D_Up && (vertdiff >= 0 || !isVertical))
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return false;
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MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(keyFocusList[index]);
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return true;
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}
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bool KeyboardNavigation::selectFirstWidget()
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{
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MyGUI::VectorWidgetPtr keyFocusList;
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MyGUI::EnumeratorWidgetPtr enumerator = MyGUI::Gui::getInstance().getEnumerator();
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if (mModalWindow)
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enumerator = mModalWindow->getEnumerator();
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while (enumerator.next())
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getKeyFocusWidgets(enumerator.current(), keyFocusList);
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if (!keyFocusList.empty())
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{
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MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(keyFocusList[0]);
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return true;
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}
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return false;
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}
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bool KeyboardNavigation::accept()
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{
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MyGUI::Widget* focus = MyGUI::InputManager::getInstance().getKeyFocusWidget();
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if (!focus)
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return false;
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//MyGUI::Button* button = focus->castType<MyGUI::Button>(false);
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//if (button && button->getEnabled())
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if (focus->getTypeName().find("Button") != std::string::npos && focus->getEnabled())
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{
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focus->eventMouseButtonClick(focus);
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return true;
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}
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return false;
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}
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}
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@ -0,0 +1,47 @@
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#ifndef OPENMW_MWGUI_KEYBOARDNAVIGATION_H
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#define OPENMW_MWGUI_KEYBOARDNAVIGATION_H
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#include <MyGUI_KeyCode.h>
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#include <MyGUI_IUnlinkWidget.h>
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namespace MWGui
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{
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class KeyboardNavigation : public MyGUI::IUnlinkWidget
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{
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public:
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KeyboardNavigation();
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~KeyboardNavigation();
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/// @return Was the key handled by this class?
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bool injectKeyPress(MyGUI::KeyCode key, unsigned int text);
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void saveFocus(int mode);
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void restoreFocus(int mode);
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void _unlinkWidget(MyGUI::Widget* widget);
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void onFrame();
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/// Set a key focus widget for this window, if one isn't already set.
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void setDefaultFocus(MyGUI::Widget* window, MyGUI::Widget* defaultFocus);
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void setModalWindow(MyGUI::Widget* window);
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private:
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bool switchFocus(int direction, bool wrap);
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bool selectFirstWidget();
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/// Send button press event to focused button
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bool accept();
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std::map<int, MyGUI::Widget*> mKeyFocus;
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MyGUI::Widget* mCurrentFocus;
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MyGUI::Widget* mModalWindow;
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};
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}
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#endif
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