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+#include "BsGUIMenuBar.h"
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+#include "BsGUIArea.h"
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+#include "BsGUIElement.h"
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+#include "BsGUIButton.h"
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+#include "BsGUITexture.h"
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+#include "BsGUILayout.h"
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+#include "BsGUIMenu.h"
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+#include "BsGUIManager.h"
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+#include "BsEngineGUI.h"
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+
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+using namespace CamelotFramework;
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+using namespace BansheeEngine;
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+
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+namespace BansheeEditor
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+{
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+ GUIMenuBar::GUIMenuBar(BS::GUIWidget* parent)
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+ :mParentWidget(parent), mMainArea(nullptr), mBackgroundArea(nullptr), mBgTexture(nullptr), mLogoTexture(nullptr)
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+ {
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+ mBackgroundArea = GUIArea::create(*parent, 0, 0, 1, 13, 9900);
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+ mMainArea = GUIArea::create(*parent, 0, 0, 1, 13, 9899);
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+
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+ mBgTexture = GUITexture::create(*parent, GUILayoutOptions::expandableXY(), GUIImageScaleMode::StretchToFit, EngineGUI::instance().getSkin().getStyle("MenuBarBg"));
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+ mBackgroundArea->getLayout().addElement(mBgTexture);
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+
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+ mLogoTexture = GUITexture::create(*parent, GUIImageScaleMode::StretchToFit, EngineGUI::instance().getSkin().getStyle("MenuBarBansheeLogo"));
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+ mMainArea->getLayout().addElement(mLogoTexture);
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+ }
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+
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+ GUIMenuBar::~GUIMenuBar()
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+ {
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+ for(auto& menu : mChildMenus)
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+ {
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+ cm_delete<PoolAlloc>(menu.menu);
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+ GUIElement::destroy(menu.button);
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+ }
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+
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+ GUIElement::destroy(mBgTexture);
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+ GUIElement::destroy(mLogoTexture);
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+
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+ GUIArea::destroy(mMainArea);
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+ GUIArea::destroy(mBackgroundArea);
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+ }
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+
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+ void GUIMenuBar::setArea(CM::INT32 x, CM::INT32 y, CM::UINT32 width, CM::UINT32 height)
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+ {
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+ mMainArea->setPosition(x, y);
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+ mBackgroundArea->setPosition(x, y);
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+
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+ mMainArea->setSize(width, height);
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+ mBackgroundArea->setSize(width, height);
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+ }
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+
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+ const GUIMenuItem* GUIMenuBar::addMenuItem(const CM::WString& path, std::function<void()> callback)
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+ {
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+ WString strippedPath = path;
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+ WString rootName;
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+
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+ if(!stripPath(strippedPath, rootName))
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+ return nullptr;
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+
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+ const GUIMenuBarData* subMenu = getSubMenu(rootName);
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+ if(subMenu == nullptr)
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+ {
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+ mChildMenus.push_back(GUIMenuBarData());
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+
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+ GUIMenuBarData& newSubMenu = mChildMenus.back();
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+ newSubMenu.name = rootName;
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+ newSubMenu.menu = cm_new<GUIMenu>();
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+
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+ GUIButton* newButton = GUIButton::create(*mParentWidget, rootName, EngineGUI::instance().getSkin().getStyle("MenuBarBtn"));
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+ mMainArea->getLayout().addElement(newButton);
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+
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+ newSubMenu.button = newButton;
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+
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+ subMenu = &newSubMenu;
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+ }
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+
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+ return subMenu->menu->addMenuItem(strippedPath, callback);
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+ }
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+
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+ const GUIMenuItem* GUIMenuBar::addSeparator(const CM::WString& path)
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+ {
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+ WString strippedPath = path;
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+ WString rootName;
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+
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+ if(!stripPath(strippedPath, rootName))
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+ return nullptr;
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+
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+ const GUIMenuBarData* subMenu = getSubMenu(rootName);
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+ if(subMenu == nullptr)
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+ {
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+ mChildMenus.push_back(GUIMenuBarData());
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+
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+ GUIMenuBarData& newSubMenu = mChildMenus.back();
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+ newSubMenu.name = rootName;
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+ newSubMenu.menu = cm_new<GUIMenu>();
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+
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+ GUIButton* newButton = GUIButton::create(*mParentWidget, rootName);
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+ newButton->onClick.connect(boost::bind(&GUIMenuBar::openSubMenu, this, rootName));
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+ mMainArea->getLayout().addElement(newButton);
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+
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+ newSubMenu.button = newButton;
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+
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+ subMenu = &newSubMenu;
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+ }
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+
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+ return subMenu->menu->addSeparator(strippedPath);
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+ }
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+
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+ const GUIMenuItem* GUIMenuBar::getMenuItem(const CM::WString& path) const
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+ {
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+ WString strippedPath = path;
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+ WString rootName;
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+
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+ if(!stripPath(strippedPath, rootName))
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+ return nullptr;
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+
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+ const GUIMenuBarData* subMenu = getSubMenu(rootName);
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+ if(subMenu == nullptr)
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+ return nullptr;
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+
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+ return subMenu->menu->getMenuItem(strippedPath);
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+ }
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+
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+ void GUIMenuBar::removeMenuItem(const CM::WString& path)
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+ {
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+ WString strippedPath = path;
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+ WString rootName;
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+
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+ if(!stripPath(strippedPath, rootName))
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+ return;
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+
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+ if(strippedPath == L"")
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+ {
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+ UINT32 curIdx = 0;
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+ GUIMenuBarData* subMenuToRemove = nullptr;
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+ for(auto& subMenuData : mChildMenus)
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+ {
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+ if(subMenuData.name == rootName)
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+ {
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+ subMenuToRemove = &subMenuData;
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+ break;
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+ }
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+
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+ curIdx++;
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+ }
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+
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+ if(subMenuToRemove == nullptr)
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+ return;
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+
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+ mMainArea->getLayout().removeElement(subMenuToRemove->button);
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+ GUIElement::destroy(subMenuToRemove->button);
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+ cm_delete<PoolAlloc>(subMenuToRemove->menu);
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+
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+ mChildMenus.erase(mChildMenus.begin() + curIdx);
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+
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+ return;
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+ }
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+
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+ const GUIMenuBarData* subMenu = getSubMenu(rootName);
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+ if(subMenu == nullptr)
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+ return;
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+
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+ const GUIMenuItem* item = subMenu->menu->getMenuItem(strippedPath);
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+ if(item == nullptr)
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+ return;
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+
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+ subMenu->menu->removeMenuItem(item);
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+ }
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+
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+ const GUIMenuBar::GUIMenuBarData* GUIMenuBar::getSubMenu(const CM::WString& name) const
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+ {
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+ for(auto& subMenu : mChildMenus)
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+ {
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+ if(subMenu.name == name)
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+ return &subMenu;
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+ }
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+
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+ return nullptr;
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+ }
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+
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+ bool GUIMenuBar::stripPath(CM::WString& path, CM::WString& pathRoot) const
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+ {
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+ Vector<WString>::type pathElements = StringUtil::split(path, L"/");
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+ if(pathElements.size() == 0)
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+ return false;
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+
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+ pathRoot = pathElements[0];
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+ path.erase(0, pathRoot.size());
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+
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+ if(path.size() > 0)
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+ path.erase(0, 1); // Forward slash
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+
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+ return true;
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+ }
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+
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+ void GUIMenuBar::openSubMenu(const CM::WString& name)
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+ {
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+ const GUIMenuBarData* subMenu = getSubMenu(name);
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+ if(subMenu == nullptr)
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+ return;
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+
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+ GUIManager::instance().openMenuBarMenu(subMenu->button, subMenu->menu);
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+ }
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+}
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