Hi all,
I have an application suite built on gtk3 which is targeted at both Linux
(specifically CentOS 6 and 7) and MacOS X (Yosemite). Although the
software is usable under MacOS I am having an ugly cosmetic problem there
with my GtkTextView widgets, and other visual details are also not
consistent with CentOS Linux. I suspect this is due to an incomplete or
misconfigured gnome3 theme/font installation under Yosemite. (I am using
the MacPorts gtk3/gnome packages.) I am hoping that someone here can give
some advice on what gnome3 packages I need to install and configure to at
least solve my GtkTextView problem.
Under Linux my GtkTextView widgets display text nicely with consistent and
adequate spacing between successive lines of text. There appears to be a
very consistent 2 or 3 pixels of white space between the lowest descenders
of line N and the highest ascenders of line N+1. Under MacOS, however, the
descenders from line N actually touch the ascenders of line N+1 and the
text is thus hard to read. Furthermore, line spacing is not always
consistent -- lines with the unicode sequence \342\206\222 (right-arrow)
have 2 or 3 pixels of additional inter-line spacing after the preceding
line. (That spacing is actually perfect, but I want it for *every* line.)
There appear to be no relevant gtk_text_view_XXX() functions controlling
inter-line spacing, so I assume this problem is all about something that
is broken with my gnome3 theme and/or font installation under MacOS. Does
anyone have any idea of what this might be?
I would very much prefer to configure a gnome3 installation under MacOS
that is as lightweight as possible. No gtk3 apps other than my own are
running, and I don't want to force users to have to cope with the gnome3
UI any more than is necessary, although if there was a way for them to
select their own theme (especially with regard to font sizing within
GtkTextView and other dialog panel widgets) that would be a big plus.
Another reason for a lightweight gnome3 environment is that I've so far
been unable to even install the full MacPorts gnome3 package set (due to a
problem with the mojs17 port which seems to be a required dependency for
many of the gnome3 packages), and I've read that many people who did
manage to install a full-featured gnome3 under MacOS never got it to
operate.
Following is a list of gtk3- and gnome-related MacPorts packages which are
now installed on my system, and which are clearly sufficient to build my
software and run it, albeit with these annoying cosmetic issues:
port list installed | grep gnome
adwaita-icon-theme @3.14.1 gnome/adwaita-icon-theme
at-spi2-atk @2.14.1 gnome/at-spi2-atk
at-spi2-core @2.14.1 gnome/at-spi2-core
gnome-backgrounds @3.14.1 gnome/gnome-backgrounds
gnome-icon-theme @3.12.0 gnome/gnome-icon-theme
gnome-themes-standard @3.14.0 gnome/gnome-themes-standard
gobject-introspection @1.42.0 gnome/gobject-introspection
gtk2 @2.24.25 gnome/gtk2
gtk3 @3.14.5 gnome/gtk3
hicolor-icon-theme @0.14 gnome/hicolor-icon-theme
icon-naming-utils @0.8.90 gnome/icon-naming-utils
libcroco @0.6.8 gnome/libcroco
Can anyone recommend any other packages which are necessary to get my
GtkTextView objects to display better-looking text? Is there any necessary
user-environment configuration, e.g., environment variables or config
files stashed in ~ or elsewhere? (I did try copying the ~/.config
directory from a CentOS 7 system with a functional full-blown gnome3
environment, but that didn't make any difference.) Are there any
gnome3-related system processes which must be running before I start a
gtk3 app if I want the latter to conform to any particular theme, etc.? I
am starting my apps simply by invoking them directly from a MacOS
Terminal, which then implicitly starts XQuartz (2.7.7). I've made no
effort to specifically launch any gnome3-related system process other than
the following commands which were recommended by the MacPorts installation
chatter at gtk3 package installation time:
% sudo launchctl load -w
/Library/LaunchDaemons/org.freedesktop.dbus-system.plist
% launchctl load -w /Library/LaunchAgents/org.freedesktop.dbus-session.plist
Any ideas? Thanks!
Roger Davis
Univ. of Hawaii
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