102 lines
3.0 KiB
C++
Executable File
102 lines
3.0 KiB
C++
Executable File
#pragma once
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#include "lts_multi_monitor_export.h"
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#include <QObject>
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#include <QVector>
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#include <memory>
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namespace LtsMultiMonitor
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{
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class LtsScreenBase;
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class MultiMonitorSelectorBase;
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class LtsScreenContainer;
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class LTSMULTIMONITOR_EXPORT LtsMultiMonitor : public QObject
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{
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Q_OBJECT
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public:
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static LtsMultiMonitor *getInstance();
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/**
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* @brief selectScreen - Behaviour is undefined for widgets that are already placed on a screen.
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* @param widget to put on the screen
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* @param forceSelection selectScreen puts 'widget' on the main screen, if it's not currently occupied
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* by another widget - set to true if the user should select which screen 'widget' should be put on
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* instead of putting it on the main screen if it's not already occupied
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* @param swap
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* @return true if widget was in fact put on the screen - false if there is no screen free or the selection was aborted by the user
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*/
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bool selectScreen(QWidget *widget, LtsScreenContainer *swap = nullptr, bool putOnMainIfFree = true, bool ltsScreenNormalOnly = false, const QVector<QWidget *> &irreplacableWidgets = {}); // WARNING: widget might be deleted after calling this (e.g. user closed the widget) - do not access widget after calling this!
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bool selectAndSwap(QWidget *widget);
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void setEnableMultiMonitorMode() { m_active = true; }
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void setDebugMultiMonitorMode() { m_debugMargins = true; }
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bool isActive() const { return m_active; }
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LtsScreenBase *widgetsScreen(QWidget *widget);
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/**
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* @brief putScreen is called only by LtsSession if a screen id preset for
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* a log-off-saved app was available
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* @param widget
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* @param screenId
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* @param screenPart
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* @return
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*/
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void freezeMagicCorner(int screenId);
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void unfreezeMagicCorner(int screenId);
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bool putScreen(QWidget *widget, int screenId, int screenPart);
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bool putScreenAutomatically(QWidget *widget);
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static void place(QWidget *widget);
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void setSkipScreen(int screenId, int subScreenId = -1) { m_skipScreenId = screenId; m_subSkipScreenId = subScreenId; }
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LtsScreenBase *mainScreen() const { return m_mainScreen; }
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int screenCount() const; // NOTE: screen count is 0 if mmm is inactive
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private slots:
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void screenDied();
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private:
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LtsMultiMonitor();
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~LtsMultiMonitor();
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static void cleanupLtsMultiMonitor();
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void init();
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bool cancelAndProcessIfInactive(QWidget *widget) const;
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static bool isWidgetSecondary(QWidget *widget) ;
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/**
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* @brief overlapBaseLayouts // NOTE: call 'init' before 'overlapBaseLayouts'
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* @param widget
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* @return
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*/
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bool overlapBaseLayouts(QWidget *widget);
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bool isOverlapBaseLayouts() const;
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QVector<LtsScreenBase *> m_screens;
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int m_nextScreenId { 0 };
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LtsScreenBase *m_mainScreen; // TODO C++17: std::optional
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bool m_active;
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bool m_initialized;
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int m_skipScreenId;
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int m_subSkipScreenId;
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//QWidget *m_dummy;
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bool m_overlapBaseLayouts;
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bool m_debugMargins;
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signals:
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void signalQuitLoop();
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void signalSelected();
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void signalScreenCountChanged(int);
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void signalMakeAllSwole();
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};
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} // namespace LtsMultiMonitor
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