Install:
kde-config-gtk-style - KDE configuration module for GTK+ 2.x and GTK+ 3.x styles selection
kde-style-qtcurve - QtCurve widget style for KDE 4
kwin-style-qtcurve - QtCurve window decoration for KWin
gtk2-engines-qtcurve - This is a set of widget styles for Gtk2 based apps
Then open SystemSettings>Application Appearance>GTK Configuration
and under Window Style choose QTcurve.
You may have to create/edit ~/.gtkrc-2.0-kde4
See: Uniform Look for Qt and GTK Applications - ArchWiki -
https://wiki.archlinux.org/index.php...ations#QtCurve
Personally I use Oxygen and the
Oxygen Firefox theme.
My ~/.gtkrc-2.0-kde4
Code:
# File created by KDE Gtk Config
# Configs for GTK2 programs
include "/usr/share/themes/oxygen-gtk/gtk-2.0/gtkrc"
style "user-font"
{
font_name="DejaVu Sans"
}
widget_class "*" style "user-font"
gtk-font-name="DejaVu Sans 9"
gtk-theme-name="oxygen-gtk"
gtk-icon-theme-name="oxygen"
gtk-fallback-icon-theme="nuvola"
gtk-toolbar-style=GTK_TOOLBAR_ICONS
gtk-menu-images=0
gtk-button-images=0