Qpalette

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Qpalette

Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions. Please download a browser that supports JavaScript, or enable it if it's disabled i. The one thing I can't figure out, is how to get the desired background color to use when painting.

The application has a global stylesheet, which a lot of detailed color settings for checked and unchecked flat buttons.

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I want to reuse these same settings, and since my class derives from QPushButtonthe stylesheets should apply to my class as well. However, it doesn't. The palette doesn't seem to update when changing the 'checked' value. Where can I get the color I should use according to the stylesheets? Or what do I need to do to ensure changing the 'checked' value triggers an update in the palette?

I already tried heroically to attach a debugger and try to see where Qt itself gets the color when I don't overwrite the function. I didn't find it, but maybe I should try again and try harder Jakob DamnI had hoped. Sorry, out of ideas.

I want to know too. As a workaround you could use custom properties for your button and modify them in the style sheet. SGaist So you cannot make your own widget style aware?

One possible way would be to parse the style sheet itself and get the data you want from it in order to do the painting. SGaist Ok. I then hoped that maybe I could simply do:. Doing the painting was quite easy - however, we have an elaborate set of colours defined for buttons, with specialisations for :flat buttons, in :checked and :!

In the documentation of QPalette it states: 'If you create a new widget we strongly recommend that you use the colors in the palette rather than hard-coding specific colours'. Are you using something like described in this post? SGaist No, not at all. We're not reusing any of the system styling anywhere.To save this word, you'll need to log in. Send us feedback. See More First Known Use of palettein the meaning defined at sense 1 History and Etymology for palette French, from Middle French, diminutive of pale spade, from Latin pala ; probably akin to Latin pangere to fix — more at pact Keep scrolling for more Learn More about palette Share palette Post the Definition of palette to Facebook Share the Definition of palette on Twitter Time Traveler for palette.

See more words from the same year From the Editors at Merriam-Webster. Accessed 10 Apr. Keep scrolling for more More Definitions for palette palette.

Please tell us where you read or heard it including the quote, if possible. Test Your Vocabulary Name that Thing: Flower Edition Name that flower amaryllis hydrangea chrysanthemum hyacinth Can you spell these 10 commonly misspelled words? Test Your Knowledge - and learn some interesting things along the way.

qpalette

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qpalette

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Login or Register. Save Word. Log In. Definition of palette. Examples of palette in a Sentence Recent Examples on the Web If none of this is working for your palettejust crush a Guinness and everything will be fine.

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First Known Use of palettein the meaning defined at sense 1. History and Etymology for palette French, from Middle French, diminutive of pale spade, from Latin pala ; probably akin to Latin pangere to fix — more at pact. Keep scrolling for more. Learn More about palette. Time Traveler for palette The first known use of palette was in See more words from the same year. From the Editors at Merriam-Webster. Dictionary Entries near palette paletiology paletot pale touch-me-not palette palette cup palette knife pale violet See More Nearby Entries.

More Definitions for palette. English Language Learners Definition of palette. Kids Definition of palette. Comments on palette What made you want to look up palette? Get Word of the Day daily email! Test Your Vocabulary. Love words?The PySide. QPalette class contains color groups for each widget state. A palette consists of three color groups: ActiveDisabledand Inactive.

All widgets in Qt contain a palette and use their palette to draw themselves. This makes the user interface easily configurable and easier to keep consistent. If you create a new widget we strongly recommend that you use the colors in the palette rather than hard-coding specific colors.

Both active and inactive windows can contain disabled widgets. Disabled widgets are often called inaccessible or grayed out. A color group contains a group of colors used by widgets for drawing themselves. The color roles are enumerated and defined in the QPalette. ColorRole documentation. We strongly recommend that you use the default palette of the current style returned by QApplication.

To modify a color group you call the functions PySide. There are also corresponding PySide. ColorRole for the current QPalette. ColorGroup : PySide. You can copy a palette using the copy constructor and test to see if two palettes are identical using PySide. QPalette is optimized by the use of implicit sharingso it is very efficient to pass PySide.

QPalette objects as arguments. Some styles do not use the palette for all drawing, for instance, if they make use of native theme engines. Constructs a palette.

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Constructs a palette from the button color. The other colors are automatically calculated, based on this color. Window will be the button color as well. Constructs a palette from a button color and a window. The other colors are automatically calculated, based on these colors. The QPalette.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. The best and recommended way is to use Qt Style Sheet. To change the text color and background color of a QLabelhere is what I would do :. Using a QPalette isn't guaranteed to work for all styles, because style authors are restricted by the different platforms' guidelines and by the native theme engine.

Note: Please see QPalettecolor role section for more details. I step into the problem of setting RGBA colors that is, RGB color with an Alpha value for transparency for color display labels in my painting application.

I have also tried things like:. So, my dirty solution was to extend QLabel and override paintEvent method filling its bounding rect. Today, I've open up the qt-assistant and read the style reference properties list. Affortunately, it has an example that states the following:. The best way to set any feature regarding the colors of any widget is to use QPalette. And the easiest way to find what you are looking for is to open Qt Designer and set the palette of a QLabel and check the generated code.

You can change label color using stylesheet. How are we doing? Please help us improve Stack Overflow. Take our short survey. Learn more.

Different Button Styles Using QPainter and QPainterPath

QLabel: set color of text and background Ask Question. Asked 9 years, 11 months ago. Active 1 year, 9 months ago.

qpalette

Viewed k times. How do I set color of text and background of a QLabel? Andy M 5, 5 5 gold badges 42 42 silver badges 91 91 bronze badges.

Qt Documentation

Regof Regof 2, 3 3 gold badges 17 17 silver badges 19 19 bronze badges. Active Oldest Votes. As Qt documentation states : Using a QPalette isn't guaranteed to work for all styles, because style authors are restricted by the different platforms' guidelines and by the native theme engine.

I have been using the setStyleSheet method and at least in Qt 4. I opened a bug report about the increased memory usage which can be found here.

The color attribute is ineffective. Is there a way to specify the default text colour of the user's desktop? Using color: ; as a 'reset' seems to do it, but is this good practice, or is there a better method? Linville 2, 1 1 gold badge 21 21 silver badges 32 32 bronze badges.A palette consists of three color groups: ActiveDisabledand Inactive. All widgets in Qt contain a palette and use their palette to draw themselves.

This makes the user interface easily configurable and easier to keep consistent.

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If you create a new widget we strongly recommend that you use the colors in the palette rather than hard-coding specific colors. Both active and inactive windows can contain disabled widgets. Disabled widgets are often called inaccessible or grayed out. Colors and brushes can be set for particular roles in any of a palette's color groups with setColor and setBrush. A color group contains a group of colors used by widgets for drawing themselves.

We recommend that widgets use color group roles from the palette such as "foreground" and "base" rather than literal colors like "red" or "turquoise". The color roles are enumerated and defined in the ColorRole documentation.

We strongly recommend that you use the default palette of the current style returned by QApplication. This is done by Qt's widgets when they are drawn. To modify a color group you call the functions setColor and setBrushdepending on whether you want a pure color or a pixmap pattern. There are also corresponding color and brush getters, and a commonly used convenience function to get the ColorRole for the current ColorGroup : windowwindowTextbaseetc.

You can copy a palette using the copy constructor and test to see if two palettes are identical using isCopyOf. QPalette is optimized by the use of implicit sharingso it is very efficient to pass QPalette objects as arguments. Warning: Some styles do not use the palette for all drawing, for instance, if they make use of native theme engines. There are some color roles used mostly for 3D bevel and shadow effects.

All of these are normally derived from Windowand used in ways that depend on that relationship. For example, buttons depend on it to make the bevels look attractive, and Motif scroll bars depend on Mid to be slightly different from Window. For example:. See also QApplication. Constructs a palette from the button color.

The other colors are automatically calculated, based on this color. Window will be the button color as well. Constructs a palette from a button color and a window. The other colors are automatically calculated, based on these colors. Constructs a palette. See also ColorRole and brush.

See also colorsetBrushand ColorRole. Returns the brush that has been set for the given color role in the current ColorGroup. Returns a number that identifies the contents of this QPalette object. Distinct QPalette objects can have the same key if they refer to the same contents.

See also brushsetColorand ColorRole. Returns the color that has been set for the given color role in the current ColorGroup.The QPalette class contains color groups for each widget state.

More …. A palette consists of three color groups: ActiveDisabledand Inactive. All widgets in Qt contain a palette and use their palette to draw themselves. This makes the user interface easily configurable and easier to keep consistent. If you create a new widget we strongly recommend that you use the colors in the palette rather than hard-coding specific colors. Both active and inactive windows can contain disabled widgets.

Disabled widgets are often called inaccessible or grayed out. A color group contains a group of colors used by widgets for drawing themselves. The color roles are enumerated and defined in the ColorRole documentation. We strongly recommend that you use the default palette of the current style returned by palette and modify that as necessary.

To modify a color group you call the functions setColor and setBrushdepending on whether you want a pure color or a pixmap pattern. There are also corresponding color and brush getters, and a commonly used convenience function to get the ColorRole for the current ColorGroup : windowwindowTextbaseetc. You can copy a palette using the copy constructor and test to see if two palettes are identical using isCopyOf. QPalette is optimized by the use of implicit sharingso it is very efficient to pass QPalette objects as arguments.

Some styles do not use the palette for all drawing, for instance, if they make use of native theme engines. This is the case for both the Windows Vista and the macOS styles. Constructs a palette from the button color. The other colors are automatically calculated, based on this color. Window will be the button color as well. Constructs a palette. Constructs a palette from a button color and a window.

The other colors are automatically calculated, based on these colors. Constructs a palette with the specified windowTextwindowlightdarkmidtextand base colors.A palette consists of three color groups: ActiveDisabledand Inactive. All widgets in Qt contain a palette and use their palette to draw themselves. This makes the user interface easily configurable and easier to keep consistent.

If you create a new widget we strongly recommend that you use the colors in the palette rather than hard-coding specific colors. Both active and inactive windows can contain disabled widgets.

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Disabled widgets are often called inaccessible or grayed out. Colors and brushes can be set for particular roles in any of a palette's color groups with setColor and setBrush. A color group contains a group of colors used by widgets for drawing themselves. We recommend that widgets use color group roles from the palette such as "foreground" and "base" rather than literal colors like "red" or "turquoise". The color roles are enumerated and defined in the ColorRole documentation.

We strongly recommend that you use the default palette of the current style returned by QGuiApplication::palette and modify that as necessary. This is done by Qt's widgets when they are drawn. To modify a color group you call the functions setColor and setBrushdepending on whether you want a pure color or a pixmap pattern.

C++ (Cpp) QPalette::setColor Examples

There are also corresponding color and brush getters, and a commonly used convenience function to get the ColorRole for the current ColorGroup : windowwindowTextbaseetc.

You can copy a palette using the copy constructor and test to see if two palettes are identical using isCopyOf. QPalette is optimized by the use of implicit sharingso it is very efficient to pass QPalette objects as arguments.

Warning: Some styles do not use the palette for all drawing, for instance, if they make use of native theme engines. This is the case for both the Windows Vista and the macOS styles. There are some color roles used mostly for 3D bevel and shadow effects.

All of these are normally derived from Windowand used in ways that depend on that relationship. For example, buttons depend on it to make the bevels look attractive, and Motif scroll bars depend on Mid to be slightly different from Window. For example:. Move-constructs a QPalette instance, making it point at the same object that other was pointing to.


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