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Diffstat (limited to 'kstars/kstars/locationdialog.h')
| -rw-r--r-- | kstars/kstars/locationdialog.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/kstars/kstars/locationdialog.h b/kstars/kstars/locationdialog.h new file mode 100644 index 00000000..0ed13489 --- /dev/null +++ b/kstars/kstars/locationdialog.h @@ -0,0 +1,164 @@ +/*************************************************************************** + locationdialog.h - K Desktop Planetarium + ------------------- + begin : Sun Feb 11 2001 + copyright : (C) 2001 by Jason Harris + email : jharris@30doradus.org + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#ifndef LOCATIONDIALOG_H +#define LOCATIONDIALOG_H + +/**@class LocationDialog + *Dialog for changing the geographic location of the observer. The + *dialog is divided into two sections. + * + *The top section allows the location to be selected from a database + *of 2000 cities. It contains a MapCanvas (showing map of the globe + *with cities overlaid, with a handler for mouse clicks), a QListBox + *containing the names of cities in the database, and three KLineEdit + *widgets, which allow the user to filter the List by the name of the + *City, Province, and Country. In addition, the List + *can be filtered by location, by clicking anywhere in the MapCanvas. + *Doing so will display cities within 2 degrees of the clicked position. + * + *The bottom section allows the location to be specified manually. + *The Longitude, Latitude, City name, Province/State name, and Country name + *are entered into KLineEdits. There is also a QPushButton for adding the + *location to the custom Cities database. If the user selects "Add" without + *filling in all of the manual entry fields, an error message is displayed. + *@short Geographic Location dialog + *@author Jason Harris + *@version 1.0 + */ +#include <kdialogbase.h> +#include "geolocation.h" + +class QVBoxLayout; +class QHBoxLayout; +class QGridLayout; +class QGroupBox; +class QLabel; +class QListBox; +class QListBoxItem; +class QPushButton; +class QComboBox; +class KLineEdit; +class MapCanvas; +class dmsBox; + +class LocationDialog : public KDialogBase { + Q_OBJECT + +public: +/** + *Constructor. Create all widgets, and pack them into QLayouts. + *Connect Signals to Slots. Run initCityList(). + */ + LocationDialog( QWidget* parent = 0 ); +/** + *Destructor (empty) + */ + ~LocationDialog(); + +/** + *Initialize list of cities. Note that the database is not read in here, + *that is done in the KStars constructor. This simply loads the local QListBox + *with the names of the cities from the kstarsData object. + */ + void initCityList( void ); + +/**@return pointer to the highlighted city in the List. + */ + GeoLocation* selectedCity() const { return SelectedCity; } + +/**@return pointer to the List of filtered city pointers. + */ + QPtrList<GeoLocation>* filteredList() { return &filteredCityList; } + +/**@short Show only cities within 3 degrees of point specified by arguments + *@param longitude the longitude of the search point (int) + *@param latitude the latitude of the search point (int) + */ + void findCitiesNear( int longitude, int latitude ); + +/**@return the city name of the selected location. + */ + QString selectedCityName( void ) const { return SelectedCity->translatedName(); } + +/**@return the province name of the selected location. + */ + QString selectedProvinceName( void ) const { return SelectedCity->translatedProvince(); } + +/**@return the country name of the selected location. + */ + QString selectedCountryName( void ) const { return SelectedCity->translatedCountry(); } + +/**@return true if the AddCityBUtton is enabled + */ + bool addCityEnabled(); + +public slots: +/** + *When text is entered in the City/Province/Country Filter KLineEdits, + *the List of cities is trimmed to show only cities beginning with the entered text. + *Also, the QMemArray of ID numbers is kept in sync with the filtered list. + */ + void filterCity( void ); + +/** + *When the selected city in the QListBox changes, repaint the MapCanvas + *so that the crosshairs icon appears on the newly selected city. + */ + void changeCity( void ); + +/** + *When the "Add new city" QPushButton is clicked, add the manually-entered + *city information to the user's custom city database. + */ + void addCity( void ); + + void clearFields( void ); + void showTZRules( void ); + void nameChanged( void ); + void dataChanged( void ); +// void prepareToAccept( void ); + void slotOk(); + +private: +/** + *Make sure Longitude and Latitude values are valid. + */ + bool checkLongLat( void ); + + bool dataModified, nameModified, bCityAdded; + QGridLayout *glay, *glay2; + QHBoxLayout *hlay, *hlayCoord, *hlayTZ, *hlayButtons, *hlay3; + QVBoxLayout *RootLay, *CityLay, *CoordLay, *vlay; + QGroupBox *CityBox, *CoordBox; + QLabel *CityFiltLabel, *ProvinceFiltLabel, *CountryFiltLabel; + QLabel *NewCityLabel, *NewProvinceLabel, *NewCountryLabel; + QLabel *LongLabel, *LatLabel, *CountLabel; + QLabel *TZLabel, *TZRuleLabel; + KLineEdit *NewCityName, *NewProvinceName, *NewCountryName; + KLineEdit *CityFilter, *ProvinceFilter, *CountryFilter; + dmsBox *NewLong, *NewLat; + QComboBox *TZBox, *TZRuleBox; + QPushButton *AddCityButton, *ClearFields, *ShowTZRules; + MapCanvas *MapView; + QListBox *GeoBox; + + GeoLocation *SelectedCity; + QPtrList<GeoLocation> filteredCityList; +}; + +#endif |