Kstars

opscolors.cpp
1/*
2 SPDX-FileCopyrightText: 2004 Jason Harris <jharris@30doradus.org>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5*/
6
7#include "opscolors.h"
8
9#include "colorscheme.h"
10#include "config-kstars.h"
11#include "kspaths.h"
12#include "kstars.h"
13#include "ksnotification.h"
14#include "kstarsdata.h"
15#include "skymap.h"
16#include "thememanager.h"
17#ifdef HAVE_CFITSIO
18#include "fitsviewer/fitsviewer.h"
19#include "fitsviewer/fitsview.h"
20#endif
21#include "skyobjects/starobject.h"
22
23#include <KActionCollection>
24#include <KLocalizedString>
25#include <KMessageBox>
26
27#include <QColorDialog>
28#include <QComboBox>
29#include <QDoubleSpinBox>
30#include <QFile>
31#include <QInputDialog>
32#include <QPixmap>
33#include <QPushButton>
34#include <QStandardPaths>
35#include <QTextStream>
36
37static int ItemColorData = Qt::UserRole + 1;
38
39OpsColors::OpsColors() : QFrame(KStars::Instance())
40{
41 setupUi(this);
42
43 //Populate list of Application Themes
44 KSTheme::Manager::instance()->populateThemeQListWidget(themesWidget);
45 connect(themesWidget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(slotChangeTheme(QListWidgetItem*)));
46
47 //Populate list of adjustable colors
48 for (unsigned int i = 0; i < KStarsData::Instance()->colorScheme()->numberOfColors(); ++i)
49 {
50 QPixmap col(30, 20);
51 QColor itemColor(KStarsData::Instance()->colorScheme()->colorAt(i));
52 col.fill(itemColor);
53 QListWidgetItem *item = new QListWidgetItem(KStarsData::Instance()->colorScheme()->nameAt(i), ColorPalette);
54 item->setData(Qt::DecorationRole, col);
55 item->setData(ItemColorData, itemColor);
56 }
57
58 PresetBox->addItem(i18nc("use default color scheme", "Default Colors"));
59 PresetBox->addItem(i18nc("use 'star chart' color scheme", "Star Chart"));
60 PresetBox->addItem(i18nc("use 'night vision' color scheme", "Night Vision"));
61 PresetBox->addItem(i18nc("use 'moonless night' color scheme", "Moonless Night"));
62
63 PresetFileList.append("classic.colors");
64 PresetFileList.append("chart.colors");
65 PresetFileList.append("night.colors");
66 PresetFileList.append("moonless-night.colors");
67
68 QFile file;
69 QString line, schemeName, filename;
70 file.setFileName(KSPaths::locate(QStandardPaths::AppLocalDataLocation, "colors.dat"));
71 if (file.exists() && file.open(QIODevice::ReadOnly))
72 {
73 QTextStream stream(&file);
74
75 while (!stream.atEnd())
76 {
77 line = stream.readLine();
78 schemeName = line.left(line.indexOf(':'));
79 filename = line.mid(line.indexOf(':') + 1, line.length());
80 PresetBox->addItem(schemeName);
81 PresetFileList.append(filename);
82 }
83 file.close();
84 }
85
86 kcfg_StarColorIntensity->setValue(KStarsData::Instance()->colorScheme()->starColorIntensity());
87 kcfg_StarColorMode->addItem(i18nc("use realistic star colors", "Real Colors"));
88 kcfg_StarColorMode->addItem(i18nc("show stars as red circles", "Solid Red"));
89 kcfg_StarColorMode->addItem(i18nc("show stars as black circles", "Solid Black"));
90 kcfg_StarColorMode->addItem(i18nc("show stars as white circles", "Solid White"));
91 kcfg_StarColorMode->addItem(i18nc("show stars as colored circles", "Solid Colors"));
92 kcfg_StarColorMode->setCurrentIndex(KStarsData::Instance()->colorScheme()->starColorMode());
93
94 if (KStarsData::Instance()->colorScheme()->starColorMode() != 0) //mode is not "Real Colors"
95 kcfg_StarColorIntensity->setEnabled(false);
96 else
97 kcfg_StarColorIntensity->setEnabled(true);
98
99 connect(ColorPalette, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(newColor(QListWidgetItem*)));
100 connect(kcfg_StarColorIntensity, SIGNAL(valueChanged(int)), this, SLOT(slotStarColorIntensity(int)));
101 connect(kcfg_StarColorMode, SIGNAL(activated(int)), this, SLOT(slotStarColorMode(int)));
102 connect(PresetBox, SIGNAL(currentRowChanged(int)), this, SLOT(slotPreset(int)));
103 connect(AddPreset, SIGNAL(clicked()), this, SLOT(slotAddPreset()));
104 connect(RemovePreset, SIGNAL(clicked()), this, SLOT(slotRemovePreset()));
105 connect(SavePreset, SIGNAL(clicked()), this, SLOT(slotSavePreset()));
106
107 RemovePreset->setEnabled(false);
108 SavePreset->setEnabled(false);
109}
110
111void OpsColors::slotChangeTheme(QListWidgetItem *item)
112{
113 KSTheme::Manager::instance()->setCurrentTheme(item->text());
114}
115
116void OpsColors::newColor(QListWidgetItem *item)
117{
118 if (!item)
119 return;
120
121 QPixmap pixmap(30, 20);
122 QColor NewColor;
123
124 int index = ColorPalette->row(item);
125 if (index < 0 || index >= ColorPalette->count())
126 return;
127 QColor col = item->data(ItemColorData).value<QColor>();
128 NewColor = QColorDialog::getColor(col);
129
130 //NewColor will only be valid if the above if statement was found to be true during one of the for loop iterations
131 if (NewColor.isValid())
132 {
133 pixmap.fill(NewColor);
134 item->setData(Qt::DecorationRole, pixmap);
135 item->setData(ItemColorData, NewColor);
136 KStarsData::Instance()->colorScheme()->setColor(KStarsData::Instance()->colorScheme()->keyAt(index),
137 NewColor.name());
138 }
139
140 if (PresetBox->currentRow() > 3)
141 SavePreset->setEnabled(true);
142
144
145#ifdef HAVE_CFITSIO
147 for (auto &viewer : viewers)
148 {
149 QSharedPointer<FITSView> currentView;
150 if (viewer->getCurrentView(currentView))
151 currentView->updateFrame();
152 }
153#endif
154}
155
156void OpsColors::slotPreset(int index)
157{
158 QString sPreset = PresetFileList.at(index);
159 setColors(sPreset);
160}
161
162bool OpsColors::setColors(const QString &filename)
163{
164 QPixmap temp(30, 20);
165
166 //check if colorscheme is removable...
167 QFile test;
168 //try filename in local user KDE directory tree.
169 test.setFileName(QDir(KSPaths::writableLocation(QStandardPaths::AppLocalDataLocation)).filePath(filename));
170 if (test.exists())
171 {
172 RemovePreset->setEnabled(true);
173 SavePreset->setEnabled(true);
174 }
175 else
176 {
177 RemovePreset->setEnabled(false);
178 SavePreset->setEnabled(false);
179 }
180 test.close();
181
182 QString actionName = QString("cs_" + filename.left(filename.indexOf(".colors"))).toUtf8();
183 QAction *a = KStars::Instance()->actionCollection()->action(actionName);
184 if (a)
185 a->setChecked(true);
186 qApp->processEvents();
187
188 kcfg_StarColorMode->setCurrentIndex(KStarsData::Instance()->colorScheme()->starColorMode());
189 kcfg_StarColorIntensity->setValue(KStarsData::Instance()->colorScheme()->starColorIntensity());
190
191 for (unsigned int i = 0; i < KStarsData::Instance()->colorScheme()->numberOfColors(); ++i)
192 {
193 QColor itemColor(KStarsData::Instance()->colorScheme()->colorAt(i));
194 temp.fill(itemColor);
195 ColorPalette->item(i)->setData(Qt::DecorationRole, temp);
196 ColorPalette->item(i)->setData(ItemColorData, itemColor);
197 }
198
200#ifdef HAVE_CFITSIO
202 for (auto &viewer : viewers)
203 {
204 QSharedPointer<FITSView> currentView;
205 if (viewer->getCurrentView(currentView))
206 currentView->updateFrame();
207 }
208#endif
209
210 return true;
211}
212
213void OpsColors::slotAddPreset()
214{
215 bool okPressed = false;
216 QString schemename =
217 QInputDialog::getText(nullptr, i18n("New Color Scheme"), i18n("Enter a name for the new color scheme:"),
218 QLineEdit::Normal, QString(), &okPressed);
219
220 if (okPressed && !schemename.isEmpty())
221 {
222 if (KStarsData::Instance()->colorScheme()->save(schemename))
223 {
224 QListWidgetItem *item = new QListWidgetItem(schemename, PresetBox);
225 QString fname = KStarsData::Instance()->colorScheme()->fileName();
226 PresetFileList.append(fname);
227 QString actionName = QString("cs_" + fname.left(fname.indexOf(".colors"))).toUtf8();
228 KStars::Instance()->addColorMenuItem(schemename, actionName);
229
230 QAction *a = KStars::Instance()->actionCollection()->action(actionName);
231 if (a)
232 a->setChecked(true);
233 PresetBox->setCurrentItem(item);
234 }
235 }
236}
237
238void OpsColors::slotSavePreset()
239{
240 QString schemename = PresetBox->currentItem()->text();
241 KStarsData::Instance()->colorScheme()->save(schemename);
242 SavePreset->setEnabled(false);
243}
244
245void OpsColors::slotRemovePreset()
246{
247 QListWidgetItem *current = PresetBox->currentItem();
248 if (!current)
249 return;
250 QString name = current->text();
251 QString filename = PresetFileList[PresetBox->currentRow()];
252 QFile cdatFile;
253 //determine filename in local user KDE directory tree.
254 cdatFile.setFileName(QDir(KSPaths::writableLocation(QStandardPaths::AppLocalDataLocation)).filePath("colors.dat"));
255
256 //Remove action from color-schemes menu
257 KStars::Instance()->removeColorMenuItem(QString("cs_" + filename.left(filename.indexOf(".colors"))).toUtf8());
258
259 if (!cdatFile.exists() || !cdatFile.open(QIODevice::ReadWrite))
260 {
261 QString message = i18n("Local color scheme index file could not be opened.\nScheme cannot be removed.");
262 KSNotification::sorry(message, i18n("Could Not Open File"));
263 }
264 else
265 {
266 //Remove entry from the ListBox and from the QStringList holding filenames.
267 //There seems to be no way to set no item selected, so select
268 // the first item.
269 PresetBox->setCurrentRow(0);
270 PresetFileList.removeOne(filename);
271 delete current;
272 RemovePreset->setEnabled(false);
273
274 //Read the contents of colors.dat into a QStringList, except for the entry to be removed.
275 QTextStream stream(&cdatFile);
276 QStringList slist;
277 bool removed = false;
278
279 while (!stream.atEnd())
280 {
281 QString line = stream.readLine();
282 if (line.left(line.indexOf(':')) != name)
283 slist.append(line);
284 else
285 removed = true;
286 }
287
288 if (removed) //Entry was removed; delete the corresponding .colors file.
289 {
290 QFile colorFile;
291 //determine filename in local user KDE directory tree.
292 colorFile.setFileName(QDir(KSPaths::writableLocation(QStandardPaths::AppLocalDataLocation)).filePath(filename));
293 if (!colorFile.remove())
294 {
295 QString message = i18n("Could not delete the file: %1", colorFile.fileName());
296 KSNotification::sorry(message, i18n("Error Deleting File"));
297 }
298
299 //remove the old colors.dat file, and rebuild it with the modified string list.
300 cdatFile.remove();
301 cdatFile.open(QIODevice::ReadWrite);
302 QTextStream stream2(&cdatFile);
303 for (int i = 0; i < slist.count(); ++i)
304 stream << slist[i] << '\n';
305 }
306 else
307 {
308 QString message = i18n("Could not find an entry named %1 in colors.dat.", name);
309 KSNotification::sorry(message, i18n("Scheme Not Found"));
310 }
311 cdatFile.close();
312 }
313}
314
315void OpsColors::slotStarColorMode(int i)
316{
317 KStarsData::Instance()->colorScheme()->setStarColorMode(i);
318
319 if (KStarsData::Instance()->colorScheme()->starColorMode() != 0) //mode is not "Real Colors"
320 kcfg_StarColorIntensity->setEnabled(false);
321 else
322 kcfg_StarColorIntensity->setEnabled(true);
323}
324
325void OpsColors::slotStarColorIntensity(int i)
326{
327 KStarsData::Instance()->colorScheme()->setStarColorIntensity(i);
328}
bool save(const QString &name)
Save the current color scheme to a *.colors file.
QString fileName() const
Definition colorscheme.h:91
void setStarColorIntensity(int intens)
Set the star color intensity value used by the color scheme intens The star color intensity value.
unsigned int numberOfColors() const
void setColor(const QString &key, const QString &color)
Change the color with the given key to the given value key the key-name of the color to be changed co...
void setStarColorMode(int mode)
Set the star color mode used by the color scheme mode the star color mode to use.
Primary window to view monochrome and color FITS images.
Definition fitsviewer.h:54
Q_INVOKABLE QAction * action(const QString &name) const
ColorScheme * colorScheme()
Definition kstarsdata.h:172
This is the main window for KStars.
Definition kstars.h:89
SkyMap * map() const
Definition kstars.h:139
static KStars * Instance()
Definition kstars.h:121
void addColorMenuItem(QString name, const QString &actionName)
Add an item to the color-scheme action manu.
void removeColorMenuItem(const QString &actionName)
Remove an item from the color-scheme action manu.
virtual KActionCollection * actionCollection() const
void forceUpdate(bool now=false)
Recalculates the positions of objects in the sky, and then repaints the sky map.
Definition skymap.cpp:1173
QString i18nc(const char *context, const char *text, const TYPE &arg...)
QString i18n(const char *text, const TYPE &arg...)
QString name(GameStandardAction id)
KGuiItem save()
KGuiItem test()
void setChecked(bool)
bool isValid() const const
QString name(NameFormat format) const const
QColor getColor(const QColor &initial, QWidget *parent, const QString &title, ColorDialogOptions options)
bool exists(const QString &fileName)
virtual QString fileName() const const override
bool open(FILE *fh, OpenMode mode, FileHandleFlags handleFlags)
bool remove()
void setFileName(const QString &name)
virtual void close() override
QString getText(QWidget *parent, const QString &title, const QString &label, QLineEdit::EchoMode mode, const QString &text, bool *ok, Qt::WindowFlags flags, Qt::InputMethodHints inputMethodHints)
void append(QList< T > &&value)
const_reference at(qsizetype i) const const
qsizetype count() const const
bool removeOne(const AT &t)
virtual QVariant data(int role) const const
virtual void setData(int role, const QVariant &value)
QString text() const const
QList< T > findChildren(Qt::FindChildOptions options) const const
QString & append(QChar ch)
qsizetype indexOf(QChar ch, qsizetype from, Qt::CaseSensitivity cs) const const
bool isEmpty() const const
QString left(qsizetype n) const const
qsizetype length() const const
QString mid(qsizetype position, qsizetype n) const const
QByteArray toUtf8() const const
UserRole
QFuture< ArgsType< Signal > > connect(Sender *sender, Signal signal)
T value() const const
This file is part of the KDE documentation.
Documentation copyright © 1996-2024 The KDE developers.
Generated on Fri Nov 8 2024 12:05:28 by doxygen 1.12.0 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.