113 lines
3.5 KiB
C++
Executable File
113 lines
3.5 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* ComboBox's popup, optimized for tablets (bigger dropdown/popup)
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* $Id$
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* $HeadURL$
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* $Author$
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*
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* Created by Mike Wille, SLSE, 2016-03-09
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*/
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#pragma once
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#include "lts_frameless_dialog.h"
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#include "lts_widgets_export.h"
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namespace Ui
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{
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class LtsSelectionPopup;
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}
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class QAbstractItemModel;
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class QSortFilterProxyModel;
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namespace LtsWidgets
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{
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/**
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* @brief The LtsSelectionPopup is a popup window (LtsFramelessDialog) with a list of all QRadioButtons from a model with a search/filter edit.
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* (former 'LtsComboBoxPopup' class WAS an internal Popup class for the LtsComboBox and is not meant for export)
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* This is a custom Popup which is touch-friendly and screen-centered.
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*/
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class LTSWIDGETS_EXPORT LtsSelectionPopup : public LtsFramelessDialog
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{
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Q_OBJECT
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public:
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/**
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* @brief LtsSelectionPopup creates a popup with all its items (from model) in it
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* @param model the model which contains all items
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* @param currentIndex which item is currently selected (to not select any item: a value smaller than 0)
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* @param parent parent of this widget (not the LtsComboBox, the actual parent)
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*/
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LtsSelectionPopup(QAbstractItemModel *model,
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int currentIndex,
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QWidget *parent = nullptr);
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~LtsSelectionPopup();
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protected:
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/**
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* @brief showEvent selects the search/filter widget on show
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* @param event
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*/
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void showEvent(QShowEvent *event) override;
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private:
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Ui::LtsSelectionPopup *m_ui;
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int m_currentIndex;
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int m_firstIndex;
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QSortFilterProxyModel *m_filter;
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bool m_valid; // selection is valid? (e.g. not hidden because it's filtered)
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/**
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* @brief refresh deletes all Radio Buttons and creates them new (e.g. filtering)
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*/
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void refresh();
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/**
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* @brief selectItem emits signals that tell the connected slot which item was selected
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* @param row the row number of the model
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* @param text the text of the radio button
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* @param activate if the item was activated (see QRadioButton doc) - by default false as it not not used everytime
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*/
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void selectItem(int row, bool bCurrentIndexChanged, bool bActivated);
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signals:
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// void highlighted(int index); // not supported yet
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// activated(row); // Qt::Doc: is only emitted when the change is caused by user interaction
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// currentIndexChanged(row); // Qt::Doc: is always emitted regardless if the change was done programmatically or by user interaction
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// My note: If the uses selects the already selected item, only activated is emitted.
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/**
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* @brief activated is emitted when the selection has changed or is confirmded by the user
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* Qt::Doc: is only emitted when the change is caused by user interaction
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* Addon: If the uses selects the already selected item, only activated is emitted.
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*/
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void activated(int index);
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/**
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* @brief currentIndexChanged is emitted when the current item changes (by user interaction or programmatically)
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* Qt::Doc: is always emitted regardless if the change was done programmatically or by user interaction
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* Addon: If the uses selects the already selected item, only activated is emitted.
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*/
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void currentIndexChanged(int index);
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public slots:
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/**
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* @brief accept is called when the selection ends successfully (user double-clicked an item or clicked the 'Select' button) and emits signalSelectItem
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*/
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void accept() override;
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/**
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* @brief slotFilterChanged is called if the search / filter text changed and recreates all Radio Buttons after filtering
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*/
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void slotFilterChanged();
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};
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} // namespace LtsWidgets
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