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Thread: Qt style sheets

  1. #1
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    Default Qt style sheets

    I am trying to implement a feature in y application where the user can change the face of the GUI by choosing from a list of styles.

    Each option should apply a different style sheet to the application.

    Questions:

    Can i arbitrarily just add styles to application while it runs, as described above?

    and more importatntly

    Could anyone give me some pointers on how to go about saving the style settings of the application.

    I am already using QSettings to save the geometry and position of the main window, along with some other options, but i don't see a way to save the style sheet options yet.

    all sugstions welcomed.

    Thanks for your response.

  2. #2
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    Default Re: Qt style sheets

    Quote Originally Posted by locus View Post
    I am trying to implement a feature in y application where the user can change the face of the GUI by choosing from a list of styles.

    Each option should apply a different style sheet to the application.

    Questions:

    Can i arbitrarily just add styles to application while it runs, as described above?

    and more importatntly

    Could anyone give me some pointers on how to go about saving the style settings of the application.

    I am already using QSettings to save the geometry and position of the main window, along with some other options, but i don't see a way to save the style sheet options yet.

    all sugstions welcomed.

    Thanks for your response.


    just tested tody on window && ubuntu linux ...

    on main.cpp to

    QSettings setter;
    QString soko = QString(setter.value("WinStyle").toString());
    and load the style ...


    Qt Code:
    1. #include "arthurstyle.h" /* not work on QWorkspace */
    2. #include "arthurwidgets.h"
    3. #include "norwegianwoodstyle.h"
    4. #if defined Q_WS_WIN
    5. #include <QWindowsXPStyle>
    6. #include <QWindowsVistaStyle>
    7. #endif
    8.  
    9. void Gui_Main::ModStyle()
    10. {
    11. QStringList items = QStyleFactory::keys(); /* incomming list supported on all os */
    12. items.append("QWindowsVistaStyle");
    13. #ifdef QT_OPENGL_SUPPORT
    14. items.append("ArthurStyle");
    15. #endif
    16. items.append("NorwegianWood");
    17. bool ok = false;
    18. QString soko = QInputDialog::getItem(0,"Select style name.",
    19. "Style:", items, 0, false, &ok);
    20.  
    21. if (ok) {
    22. setter.setValue("WinStyle",soko);
    23.  
    24. if (soko.size() > 0 ) {
    25. if (soko == "NorwegianWood") {
    26. QApplication::setStyle(new NorwegianWoodStyle);
    27. } else if (soko == "QWindowsVistaStyle") {
    28. #if defined Q_WS_WIN
    29. QApplication::setStyle(new QWindowsVistaStyle);
    30. #endif
    31. } else if (soko == "ArthurStyle") {
    32. #ifdef QT_OPENGL_SUPPORT
    33. QStyle *arthurStyle = new ArthurStyle();
    34. QList<QWidget *> widgets = qFindChildren<QWidget *>(this);
    35. foreach (QWidget *w, widgets) {
    36. w->setStyle(arthurStyle);
    37. }
    38. QApplication::setStyle(arthurStyle);
    39. #endif
    40. } else {
    41. QApplication::setStyle(QStyleFactory::create(soko));
    42. }
    43. ///////////QApplication::setPalette(QApplication::style()->standardPalette());
    44. }
    45. }
    46. }
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  3. #3
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    Default Re: Qt style sheets

    You may apply stylesheets whenever you want.

  4. #4
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    Default Re: Qt style sheets

    to each widget? or globally to the whole application?

  5. #5
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    Default Re: Qt style sheets

    Quote Originally Posted by elcuco View Post
    to each widget? or globally to the whole application?
    QApplication is the top class ...
    after the command ....
    QApplication::setStyle(arthurStylexxxxx);
    the style is visible....

    i save to qsetting and edit at mainwindow...


    on main..... load the style and all other xxx
    Qt Code:
    1. int main(int argc, char *argv[]) {
    2.  
    3. QApplication a( argc, argv );
    4. QCoreApplication::setOrganizationName(_ORGANIZATION_NAME_);
    5. QCoreApplication::setOrganizationDomain(_PROGRAM_NAME_DOMAINE_);
    6. QCoreApplication::setApplicationName(_PROGRAM_NAME_);
    7.  
    8. QString localedirfile;
    9.  
    10. #if defined Q_WS_MAC
    11. localedirfile = QString("%1/locale/edit_%2.qm").arg(WORK_CACHEDIR).arg(UserLanguage());
    12. #endif
    13. #if defined Q_WS_WIN
    14. localedirfile = QString("%1/locale/edit_%2.qm").arg(QCoreApplication::applicationDirPath()).arg(UserLanguage());
    15. #endif
    16. #if defined Q_WS_X11
    17. localedirfile = QString("%1/locale/edit_%2.qm").arg(WORK_CACHEDIR).arg(UserLanguage());
    18. #endif
    19. QTranslator translator;
    20. translator.load(localedirfile);
    21. a.installTranslator(&translator);
    22.  
    23. if (!NetworkEnable()) {
    24. QMessageBox::warning(0,"NetworkInterface","Check Your Network! SQL DB get data........");
    25. return 0;
    26. }
    27.  
    28. Preload *splash = new Preload(1400,LICENCE); /* animated painter dialog widget loading msec */
    29. splash->exec();
    30.  
    31. QSettings setter;
    32. QString soko = QString(setter.value("WinStyle").toString());
    33. Gui_Main::self()->setWindowTitle( _PROGRAM_TITLE_ );
    34.  
    35. if (soko.size() > 0 ) {
    36. if (soko == "NorwegianWood") {
    37.  
    38. a.setStyle(new NorwegianWoodStyle);
    39.  
    40. } else if (soko == "ArthurStyle") {
    41. #ifdef QT_OPENGL_SUPPORT
    42. QStyle *arthurStyle = new ArthurStyle();
    43. QList<QWidget *> widgets = qFindChildren<QWidget *>(Gui_Main::self());
    44. foreach (QWidget *w, widgets) {
    45. w->setStyle(arthurStyle);
    46. }
    47. a.setStyle(arthurStyle);
    48. #endif
    49. } else if (soko == "QWindowsVistaStyle") {
    50.  
    51. #if defined Q_WS_WIN
    52. a.setStyle(new QWindowsVistaStyle);
    53. #endif
    54.  
    55. } else {
    56. a.setStyle(QStyleFactory::create(soko));
    57. }
    58.  
    59. ///////////a.setPalette(QApplication::style()->standardPalette());
    60. }
    61. QString argument_1;
    62. argument_1 = QString::fromLatin1(argv[1]);
    63. if (argument_1.contains(".chre")) {
    64. Gui_Main::self()->setOpen(QUrl(argument_1));
    65. }
    66. Gui_Main::self()->show();
    67. ///////// splash self close /////
    68. a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) );
    69. return a.exec();
    70. };
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    Last edited by patrik08; 4th April 2007 at 02:43.

  6. #6
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    Default Re: Qt style sheets

    Quote Originally Posted by elcuco View Post
    to each widget? or globally to the whole application?
    In the Overview section of the QStyleSheet docs, it's pretty clear that at any point in a widget hierarchy, you can call QWidget::setStyleSheet(). So, for that widget and its children, the style applies. If you modify the styles on a child of widget A, say, in A', then A' and its children get the new style, etc.

    Hope this helps.

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