src/klftools/klfguiutil.h File Reference

#include <QString>
#include <QByteArray>
#include <QComboBox>
#include <QWidget>
#include <QDialog>
#include <QProgressDialog>
#include <QMouseEvent>
#include <QPaintEvent>
#include <QTime>
#include <QGridLayout>
#include <QDoubleSpinBox>
#include <QLabel>
#include <QMovie>
#include <QPainter>
#include <klfutil.h>

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Classes
class	KLFProgressReporter
	Object that emits progress information of a (lengthy) operation. More...
class	KLFProgressDialog
	A Progress Dialog. More...
class	KLFPleaseWaitPopup
	A popup screen inviting the user to wait. More...
class	KLFDelayedPleaseWaitPopup
	A popup screen inviting user to wait, appearing after a delay. More...
class	KLFEnumComboBox
	a combo box proposing a list of (integer) enumeration values. More...
class	KLFGridFlowLayout
	A Layout that lays out its children in a grid, flowing left to right, top to bottom. More...
class	KLFWaitAnimationOverlay
	An animation display. More...
class	KLFDropDataHandler
	An abstract handler for when data is dropped. More...
class	KLFWindowGeometryRestorer
	Helper class that restores window geometry after show/hide events. More...
Functions
KLF_EXPORT void	klfDrawGlowedImage (QPainter *painter, const QImage &foreground, const QColor &glow_color=QColor(128, 255, 128, 8), int radius=4, bool also_draw_image=true)
	Draws the given image with a glow effect.
KLF_EXPORT QImage	klfImageScaled (const QImage &source, const QSize &newSize)
	Scale image, preserve aspect ratio and meta-information.
KLF_EXPORT void	klfHideWindows ()
KLF_EXPORT void	klfRestoreWindows ()

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Function Documentation

KLF_EXPORT void klfDrawGlowedImage	(	QPainter *	painter,
		const QImage &	foreground,
		const QColor &	glow_color = QColor(128, 255, 128, 8),
		int	radius = 4,
		bool	also_draw_image = true
	)

Draws the given image with a glow effect.

Draws a glow effect for image foreground by extracting the alpha channel, and creating fills an image of color glow_color with the same alpha channel. The image is then drawn at all points (x,y) around (0,0) such that |(x,y)-(0,0)| < r, effectively overlapping the glow image with itself creating a blur effect.

The resulting graphics are painted using the painter painter, at the reference position (0,0). If you want your image drawn at another position, use QPainter::translate().

If also_draw_image is TRUE, then the image itself is also drawn on top of the glow effect.

Definition at line 461 of file klfguiutil.cpp.

References QImage::convertToFormat(), QPainter::device(), QPaintDevice::devicePixelRatioF(), QPainter::drawImage(), QImage::format(), QImage::height(), KLF_DEBUG_BLOCK, KLF_FUNC_NAME, QImage::pixel(), QColor::rgba(), QImage::size(), and QImage::width().

KLF_EXPORT void klfHideWindows

(

)

Todo:

THIS IS A WORKAROUND to avoid "hiding" the system tray icon when hiding all windows (which is of course not what we want!). This also has the undesirable effect of not hiding all windows which have the x11-bypass-window-manager flag on. TODO: write some more intelligent code.

Definition at line 597 of file klfguiutil.cpp.

References KLF_DEBUG_BLOCK, KLF_FUNC_NAME, and klfDbg.

KLF_EXPORT QImage klfImageScaled	(	const QImage &	source,
		const QSize &	newSize
	)

Scale image, preserve aspect ratio and meta-information.

Calls QImage::scaled(), with instruction to keep aspect ratio, to scale to new size, with a smooth (not fast) transformation.

Then copies the original image's meta-information to the returned image with QImage::setText().

Definition at line 512 of file klfguiutil.cpp.

References QImage::scaled(), QImage::setText(), QList::size(), QImage::text(), and QImage::textKeys().

KLF_EXPORT void klfRestoreWindows

(

)

Definition at line 636 of file klfguiutil.cpp.

References QHash::contains(), KLF_DEBUG_BLOCK, KLF_FUNC_NAME, and klfDbg.