Hi,
Could someone show me how to create a shortcurt to a menuitem, using an
accelerator group? on GTK 1.2* I used the code below. What is the
equivalent in GTK 2.12?
accel_group = gtk_accel_group_new ();
gtk_accel_group_attach (accel_group, GTK_OBJECT (window));
gtk_widget_add_accelerator
Hi,
What is the currently recommended way to link GTK with OpenGL graphic
areas? GtkGLarea? GtkGLext? other?
What are the future plans for GTK regarding OpenGL? is GTK planning to
support OpenGL directly without need for another library? I am not
particularly interested in fancy arbitrary
Mikael Hallendal wrote:
3 mar 2008 kl. 22.48 skrev Carlos Pereira:
Hi Carlos,
GtkGLext seems to be the most popular GL Area to use these days. You
might also want to look at Clutter [1] or Pigment [2] which are
canvases offering some higher level abstractions for 2D/3D usages
Jon Harrop wrote:
On Tuesday 04 March 2008 18:14:39 Behdad Esfahbod wrote:
On Tue, 2008-03-04 at 17:04 +, Carlos Pereira wrote:
2) change the name, for example to Gtkglarea 2.0*, the legitimate
sucessor to Gtkglarea 1 (the last version of Gtkglarea that I downloaded
last week
Hi,
I received a message (see below) complaining about using dots instead of commas
in decimal numbers. What are the best solutions for this, from the gtk point of
view?
What happens is that in my French locale, the decimal symbol is ',' not '.' !
Have a nice day, (and good luck with the bug).
Tomas Carnecky wrote:
Carlos Pereira wrote:
Hi,
I received a message (see below) complaining about using dots instead
of commas in decimal numbers. What are the best solutions for this,
from the gtk point of view?
What happens is that in my French locale, the decimal symbol
Andrew W. Nosenko wrote:
On Wed, Mar 12, 2008 at 6:09 PM, Carlos Pereira
[EMAIL PROTECTED] wrote:
Thanks for your answers, I realize this is not Gtk stuff,
but certainly affects every GTK app involving decimal numbers...
After setting in my .bashrc, for example (the same
Andrew W. Nosenko wrote:
What you need to do indeed:
1. use locale-dependent formatting in the UI (both for input and output)
2. use locale-INDEPENDENT formatting when you read and save your data files.
So you are saying that interfaces should use dots, commas, whatever is
locally defined, but
Andrew W. Nosenko wrote:
On Thu, Mar 13, 2008 at 5:12 PM, Carlos Pereira
[EMAIL PROTECTED] wrote:
Andrew W. Nosenko wrote:
What you need to do indeed:
1. use locale-dependent formatting in the UI (both for input and output)
2. use locale-INDEPENDENT formatting when you read
Hi,
Let's say I have a GtkTextView, with two color tags, red and blue:
text_view = gtk_text_view_new ();
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
gtk_text_buffer_create_tag (buffer, my_red, foreground, #ff,
NULL);
gtk_text_buffer_create_tag (buffer, my_blue, foreground,
Hi,
Is it possible to share text tags between different GtkTextviews?
Is it worth the increase in complexity?
My Help dialogs are notebooks, each page has a GtkTextview,
covering a different topic, but the styles are the same
Thanks,
Carlos
___
Hi,
For some strange reason GtkTreeview is not working in
GTK_SELECTION_SINGLE mode, here (Fedora 8, Gtk 2.10, I believe).
GTK_SELECTION_NONE, GTK_SELECTION_BROWSE,
GTK_SELECTION_MULTIPLE work as expected, but GTK_SELECTION_SINGLE always
behaves as GTK_SELECTION_BROWSE... so one row is always
When compiling with -pedantic, gtkglext produces
this warning (all the other libraries come clean):
/usr/include/gtkglext-1.0/gdk/gdkgltokens.h:146: warning: ISO C
restricts enumerator values to range of ‘int’
/usr/include/gtkglext-1.0/gdk/gdkgltokens.h:158: warning: ISO C
restricts enumerator
Hi,
This is to report an issue with gtk_text_buffer_create_tag,
affecting Gtk 2.10.0 (Fedora 8, amd64):
gtk_text_buffer_create_tag (buffer, my_tag, scale, 1, NULL);
When the scaling factor is 1.0 (or 2.0 or PANGO_SCALE_MEDIUM or
PANGO_SCALE_LARGE, etc.) everything works fine. However,
when
Thanks for replying!
I certainly would be glad if proved wrong, but I see three problems here,
two are human interface issues, the other is a technical issue.
1) In GtkTreeview with GtkListStore, show always the first item as default,
Hi,
The working code below shows a two-column list, where the second
title, Pages, is partially overwritten by the scrolled window:
http://www.gamgi.org/treeview.png
When the scrolled window is inactive, or when gtk_widget_set_size_request
is commented out, the title Pages looks fine.
A simple
Ajax John wrote:
Hi,
I have written a gtk application on my Linux system.
At present I can open or start multiple instances of my application.
how can I modify my code such that at a time only one instance of my
application is running on my system.
Regards,
Ajax.
Liam R E Quin wrote:
On Sat, 2008-04-12 at 15:16 +0100, Carlos Pereira wrote:
I agree with everything you said.
But in some cases lock files can be useful... this is the way
vim checks if other instances of the same file are open,
so the new instance is open in read-only mode... of course
Hullo,
In a GTkFilechooser, how can I acess the information
on the Location entry? I only find functions to get
the full filename and uri but not the actual short
filename...
Carlos
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Martin (OPENGeoMap) wrote:
Hullo,
In a GTkFilechooser, how can I acess the information
on the Location entry? I only find functions to get
the full filename and uri but not the actual short
filename...
I don´t understand well??
are you talking about filters???
No,
I am talking
the GtkEntry before sending it to me,
and gtk_file_chooser_get_filename returns NULL when the shortname
starts with http:// or ftp:// which in turn makes it impossible to use
g_path_get_basename :-(
So I really must have access to the Location GtkEntry,
Carlos
Cheers,
Luis
Carlos Pereira a écrit
Hi,
You were right, gtk_file_chooser_get_uri () gives me
correctly the contents in the Location GtkEntry. Sort off:
If I write http://www.app.org/, I get the same.
However, if I write http://www.app.org (without the final slash) I get:
http%3A%2F%2Fwww.app.org
Other problems still remain. When
However, I feel it will be easier for me to write graphical applications
with an interface designer. The GNOME Library
(http://library.gnome.org/ ) wasn't very useful and I haven't been able
to find any decent, up-to-date tutorials on Glade.
GTK Forums have several examples with C and
Hi!
How can I set a row in a combobox menu as insensitive/sensitive
and know the current sensitive state, for:
1) a combo box created with gtk_combo_box_new_text
2) a more general combo box created with a tree model
In option menus, I used:
gtk_widget_set_sensitive (item, FALSE);
but this
Hi there,
The small working code below shows
how my app goes fullscreen and back.
1) Is there a better way of doing this?
2) This code works fine in Enlightenment,
KDE, BlackBox, IceWM, etc. In Gnome and XFCE
it works, but the desktop bars are still visible
(I suppose it should be possible to
Jim George, Kevin DeKorte wrote:
Why not use gtk_window_fullscreen? I've only tried it on a Gnome desktop, it
works well.
Why don't you just use
gtk_window_fullscreen / gtk_window_unfullscreen?
Jim, Kevin, Thanks!
It works fantastically well, I just tried it on GNOME, XFCE, KDE,
Is it possible to
retrieve the entry widget of the combo box so I can call
gtk_entry_set_text with it?
entry = GTK_ENTRY (GTK_BIN (combo_box)-child;
Carlos
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Hullo,
Is there a way to easily change a property in a GtkTreeModel,
when something else changes in the interface?
I need to disable/enable specific rows (change the sensitivity) in a
GtkComboBox, depending on users actions.
gtk-demo shows how to set the sensitivity of a specific row, when
Garth's KidStuff wrote:
Hi All,
I notice that quite a few apps (firefox, gimp, terminal, etc. -- but not
gedit, huh?) have the option to toggle fullscreen mode in their view menu
using the F11 key. How would I implement this in my Gtkmm app?
Connect the key_press_event to your top
dhk wrote:
When should a dialog be used instead of a window? Can't a window
always be used? Do you give anything up when using a dialog? What's
the difference?
I have more than 100 task dialogs in my app.
I NEVER use dialogs... always windows! you have much more flexibility,
your code is
For the sake of elegance, which version people like more?
1) g_signal_connect (widget, signal,
G_CALLBACK (callback), data);
2) g_signal_connect (G_OBJECT (widget), signal,
G_CALLBACK (callback), data);
3) g_signal_connect (GTK_OBJECT (widget), signal,
G_CALLBACK (callback), data);
Carlos
Brian J. Tarricone wrote:
On Sun, 15 Jun 2008 19:40:22 +0100 Carlos Pereira wrote:
For the sake of elegance, which version people like more?
1) g_signal_connect (widget, signal,
G_CALLBACK (callback), data);
I think this was the intended use -- the first param is of type
gpointer so
Well, the list yes... the posts, aparently not... :-)
Best regards
carlos
2008/10/2 Ruben Safir [EMAIL PROTECTED]:
is this working?
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Hello Ruben,
I cannot help with this issue, sorry.
But I suggest you post it on the main list at
[EMAIL PROTECTED]
In this list there are allways many messagens, I think it will be
easier to find someone to help you.
Best regards1
Carlos
On Thu, Oct 2, 2008 at 1:31 PM, Ruben Safir [EMAIL
I have found myself some weird behaviour with fullscreen mode and modal
windows in Gnome. I would suggest:
1) try a decent window manager, such as Enlightenment. This solved my
issues. Of course this is not a good solution, but at least tells you
where the problem is.
2) I guess you are using
I have changed recently my CList widgets to TreeView. I suggest you
implement a small test case, learn everything you need to your own
purposes, and then (and only then) replace everything. I am almost in
the end of replacing 119 option menus to combo boxes, so I understand
how you feel...
I am fairly experienced with sensitive/insensitive states in Menuitems
in old Option Menus and new Combo Boxes, but I am not sure in which
context your Menuitem appears...
Could you explain what is the parent of your MenuItems? perhaps with a
very small bit of code showing how they are
dhk wrote:
only seems to compile when the -O (Optimization) option is present.
However the options is set as -O0 (that's Dash-Oh-Zero) which should
turn optimization off. I'd like to be able to compile the program
without optimization, but so far this has just been an annoyance.
In my opinion
Actually it is a ComboBoxEntry that you need, which is derived from a
ComboBox:
http://library.gnome.org/devel/gtk/stable/GtkComboBoxEntry.html
This is just a combination of a Entry with a ComboBox, so if you know
how Entry and ComBox works, changing a Combo to a ComboBoxEntry should
be
Andrea Zagli wrote:
do you know some widget that can display maps (from shp or postgis)
and also allows very simple editing?
Perhaps GtkDrawingArea?
http://library.gnome.org/devel/gtk/stable/GtkDrawingArea.html
I use myself OpenGL areas, with GtkGLExt and Mesa, it works great. If
you need
in GtkGlArea / GtkGLExt examples and discussions in this list
with Havoc Pennington years ago)
I strongly suggest you to have a look in the examples coming with GtkGlExt,
Carlos Pereira
-
g_signal_connect (area, motion_notify_event
Mihai Draghicioiu wrote:
I have found the way. Here is my code. Any idea where I can post it as a
tutorial?
Gtk Forums? they have a section specifically for Gtk example code:
http://www.gtkforums.com/forum-15.html
http://www.gtkforums.com/
Carlos
#include stdlib.h
#include glib.h
#include
Tristan Van Berkom wrote:
On Wed, Sep 9, 2009 at 2:53 AM, Emmanuel
Touzeryemmanuel.touz...@free.fr wrote:
Hi,
[...]
You know what I'm thinking... I think that this is from times where people
used to build GUIs in the code... When they were writing all the container
embedding and
Hi all,
what is the standard, simple, way to add some padding inside a GtkTextView?
These functions work nice:
gtk_text_view_set_left_margin (GTK_TEXT_VIEW (text), 10);
gtk_text_view_set_right_margin (GTK_TEXT_VIEW (text), 10);
but no equivalent functions seem to exist for top, bottom
Hi all,
To avoid some reentrant callbacks, in a few cases I have to use code
such as:
g_signal_handlers_block_by_func (widget, func, data);
do_stuff;
g_signal_handlers_unblock_by_func (widget, func, data);
Usually this works fine, but I have a Treeview where unblock
seems to be done too
Tadej Borovšak wrote:
Hello.
Only situation that comes to my mind that would cause
g_signal_handlers_block_by_func to misbehave is if you do something
inside blocked part of code that installs idle handler to do the real
work. What are you doing inside do_stuff part?
Essentially adding a
Tadej Borovšak wrote:
Hello.
Essentially adding a simple store model:
store = gtk_list_store_new (1, G_TYPE_STRING);
while (foo_bar != NULL)
{
gtk_list_store_append (store, iter);
gtk_list_store_set (store, iter, 0, my_name, -1);
}
gtk_tree_view_set_model (GTK_TREE_VIEW (treeview),
Hi list,
I need to select multiple rows in a treeview,
directly from my code, in MULTIPLE selection mode.
This is a very simple treemodel, only one column
with a string.
Unfortunately, although gtk_tree_selection_select_path()
seems to select the indicated rows, the background color
of the rows
This is nicely working for me now, I should have been doing something
wrong before,
Carlos
Hi list,
I need to select multiple rows in a treeview,
directly from my code, in MULTIPLE selection mode.
This is a very simple treemodel, only one column
with a string.
Unfortunately, although
Hi Emmanuel,
thank you very much, that's exactly what I needed,
Best regards,
Carlos
When a button press event is triggered, what is the proper way to know if
the user is pressing down the Ctrl key?
I think that this is what you need:
if (event-button == 1 (event-state
As Tor already said, you can disable locale settings (and then
everything will work as 15.00 in every country, not 15,00)
with gtk_disable_setlocale (), before starting gtk:
gtk_disable_setlocale ();
gtk_init (argc, argv);
Carlos
After i updated my system my previously working gtk+
Let's say you would like to retrieve some information for the selected
row, not just the string name. You could add a (hidden) column to your
store, with that information, and then get it back with
gtk_tree_model_get. Let's say you would like to have a pointer to a
function, for each of your
Dear all,
1) My app is currently compiling without warnings, with Gtk 2.18.3 I
believe (Ubuntu 9.10), at the compilation level:
CFLAGS = -g -O3 -Wall -ansi
override CFLAGS += -DG_DISABLE_DEPRECATED \ -DGDK_DISABLE_DEPRECATED \
-DGDK_PIXBUF_DISABLE_DEPRECATED \
-DGTK_DISABLE_DEPRECATED
This
Thanks Javier, thanks David,
Compiling with -DGSEAL_ENABLE these macros are flagged as errors:
1) GTK_WIDGET_SET_FLAGS (removed)
2) GTK_WIDGET_SENSITIVE (replaced by gtk_widget_is_sensitive or
gtk_widget_get_sensitive)
However, apparently they are not in the list of deprecated symbols.
Thanks David,
It seems gtkglext does not work yet with SINGLE_INCLUDES. When I compile
my app I get the following error message (gtkgkext is including
gdkgltypes.h and this is flagged down):
In file included from /usr/include/gtkglext-1.0/gdk/gdkgltypes.h:22,
from
That's why I asked in the first message of this thread, what are the
plans regarding GtkGLExt. To the best of my knowledge, GtkGLExt is still
the official way to bridge GTK and OpenGL:
http://gtkglext.sourceforge.net/
are there plans to integrate this via Cairo and discard GtkGLExt? that
was
Thanks Javier,
it's good to know that EmmanueleBassi
http://live.gnome.org/EmmanueleBassi is now taking care of GtkGLExt
integration with GTK...
Regards,
Carlos
Hello Carlos,
2009/12/3 Carlos Pereira jose.carlos.pere...@ist.utl.pt:
That's why I asked in the first message of this thread
use case.
On 4 Dec 2009 18:13, Carlos Pereira jose.carlos.pere...@ist.utl.pt
wrote:
Thanks Javier,
it's good to know that EmmanueleBassi http://live.gnome.org/EmmanueleBassi
is now taking care of GtkGLExt integration with GTK...
Regards,
Carlos
Hello Carlos, 2009/12/3 Carlos Pereira
Dear Emmanuele,
yes. and that, apart from games and scientific/technical applications, it's not
at all common.
the amount of code using OpenGL is relatively limited (hence niche) compared
to the rest of applications in the GNOME stack (or even in the whole Linux ecosystem);
it's *usage*
David is right,
you should get the entry pointer with gtk_bin_get_child, and after that
you handle this entry as any other entry:
entry = gtk_bin_get_child (GTK_BIN (combo_entry));
gtk_entry_set_text (GTK_ENTRY (entry), );
In GTK 2.0 you can also use this:
gtk_entry_set_text (GTK_ENTRY
Is there a way to create GtkComboBox menus with submenus?
The logical way to achieve this would be to use a GtkTreeStore model,
and indeed it works as expected,
except that each first level item appears also as a second level title,
that can be selected...
disabling a first level item
This is a typical callback for the switch-page signal:
void my_callback (GtkNotebook *notebook,
GtkNotebookPage *notebook_page, int page, void *data)
{
GtkWidget* vbox_page;
vbox_page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), page);
1) page is the number (0 = first page, etc.) of
Then I want to implement a drag scrolling. The user will click and drag the
image to make it scroll.
To write drag code in GTK you basically need to handle signals
button_press_event and motion_notify_event, as exemplified below.
Essentially drag operations depend of the difference
My ComboBox submenus are working fine. There are however a couple of
visual details that could be improved, in my opinion.
I am sending as attachement a small (70 lines) working example (C +
makefile) showing my points:
1) Submenus should look the same in ComboBox and Popup menus.
It seems the mailling list is filtering even small tar.gz files as mine,
so I posted it here:
http://www.gamgi.org/combo.tar.gz
Regards,
Carlos
My ComboBox submenus are working fine. There are however a couple of
visual details that could be improved, in my opinion.
I am sending as
Hi Tadej,
many thanks for responding!
I saw your bug report, will study gtk-demo to understand how this can be
achieved
Best regards,
Carlos
Hello.
1) Submenus should look the same in ComboBox and Popup menus. Therefore
Main 1 and Main 2 (see working example or tree store below)
Hi Tadej,
1) you were right, titles in combobox submenus can be easily removed
calling gtk_cell_layout_set_cell_data_func, as demonstrated in gtk-demo.
2) I also found that the width of submenus can be easily set, with the
property width-chars, applied to the cell_renderer.
I posted the
Alexander Nagel wrote:
Hi,
i have a treeview which displays a list of filenames in one column and
other things in other columns. I can iterate successfully through the
list.
How can I highlight the current row? With highlight I mean that the
row looks like selected by the user.
For example,
And then you will have a expose callback similar to this:
int my_expose (GtkWidget *widget, GdkEventExpose *event, void *data)
{
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
app_window *my_window = APP_CAST_WINDOW
Hi,
How can I rewrite the following code, to be GTK 3.0 ready (without
addressing directly the label, forbidden by the -DGSEAL_ENABLE mechanism)?
statusbar = gtk_statusbar_new ();
gtk_misc_set_alignment (GTK_MISC (GTK_STATUSBAR (statusbar)-label),
0.5, 0.5);
Cheers,
Carlos
On 07/04/10 06:17, Nader Morshed wrote:
statusbar = gtk_statusbar_new ();
label = gtk_statusbar_get_message_area (GTK_STATUSBAR (statusbar));
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
Thanks Nader, I believe you are in the right path (although the
documentation actually says this
Hi Fabian,
1) In the beginning, you may wish to use:
#define GTK_ENABLE_BROKEN
to allow GTK 1* widgets to run with GTK 2* libs. This makes the
transition much easier, because you can port all your GTK 1* widgets
little by little, until one fine day you will be able to get rid of
#define
P.S I will say though that in all my life I don't think I've ever written a
programwhere it was either impractical (or too difficult) to fix its leaks. IMHO
ignoringleaks is a bad habit to get into and one whose consequences usually get
worse over time.
I could not agree more with this. It
something), but aside from that it's a pure waste of CPU cycles.
Dear Allin,
I am sorry, I totally disagree.
I can only see two cases. Either fixing these hundreds and hundreds of
mem leaks is easy or difficult.
In the first case, is just a question of plain laziness and bad
programming
I think Allin's point is that even though I deleted the object in my example
app, the gtk shared library code is still technically available to be used by
some other part of my program (without needing to be re-initialized). In my
example, I just happened to not use it.
Yes, I accept
Hi all,
Are there significant changes regarding OpenGL integration with GTK 3.*
and Cairo,
when compared with GTK 2.*?
Regards,
Carlos
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Hi there,
In order to conform with -DGSEAL_ENABLE, I replaced this old code:
gtk_misc_set_alignment (GTK_MISC (GTK_STATUSBAR (statusbar)-label),
0.5, 0.5);
by this new one:
hbox = gtk_statusbar_get_message_area (GTK_STATUSBAR (statusbar));
label = GTK_WIDGET (gtk_container_get_children
Quite often widget colors are just a question of style but sometimes
this is not the case. I can think of medical applications, for example,
where colors can be critical.
In my case, I have a chemical periodic table made with GTK buttons, each
one representing a chemical element, with its
Thanks Olivier,
ugly as hell, but definitely an improvement... :-(
Carlos
On 08/29/2012 05:17 PM, Carlos Pereira wrote:
Quite often widget colors are just a question of style but sometimes
this is not the case. I can think of medical applications, for example,
where colors can be critical
This is really unfortunate, my application also has a ruler... GTK is
really moving away from its users,
C
none. GtkRuler was deprecated in GTK+ 2.x and removed in GTK+ 3.x.
it's a*very* niche widget, and most applications that use one in
their UI ended up having their own class.
my
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