strangeness of g_signal_connect
Hi, In my app I have the following: g_signal_connect ((gpointer) AddFile_button, clicked, G_CALLBACK (on_add_files_activate), dummy); I have noticed that if the function on_add_files_activate is declared with only one parameter, gpointer data , I never receive the word dummy. Instead if the same function is declared with two parameters: void on_add_files_activate ( GtkWidget *useless , gpointer data); I can successfull print the value dummy pointed by data. Could gtk developers explain this strange behaviour please ? -- Colossus Cpsed, a Linux OpenGL 3D scene editor http://cpsed.sourceforge.net/ ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: strangeness of g_signal_connect
On Mon, Jul 25, 2005 at 09:18:57AM -0700, Colossus wrote: g_signal_connect ((gpointer) AddFile_button, clicked, G_CALLBACK (on_add_files_activate), dummy); I have noticed that if the function on_add_files_activate is declared with only one parameter, gpointer data , I never receive the word dummy. Instead if the same function is declared with two parameters: void on_add_files_activate ( GtkWidget *useless , gpointer data); I can successfull print the value dummy pointed by data. Could gtk developers explain this strange behaviour please ? There's nothing strange about this behaviour. The first argument of signal handlers is alwasy the object that emitted the signal, user_data is the last. If you want user_data as the first argument, use g_signal_connect_swapped(). Please read the Gtk+ tutorial. The fact C functions may be called with more arguments than declared (though it's still error in ANSI C if you do that without typecast) is just a side-effect of C calling convention. Yeti -- A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail? ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: strangeness of g_signal_connect
Colossus [EMAIL PROTECTED] writes: In my app I have the following: g_signal_connect ((gpointer) AddFile_button, clicked, G_CALLBACK (on_add_files_activate), dummy); I normally write the above call like this: g_signal_connect( G_OBJECT(AddFile_button), clicked, G_CALLBACK(on_add_files_activate), dummy); Are both correct? Which is the preferred way to do it? I have noticed that if the function on_add_files_activate is declared with only one parameter, gpointer data , I never receive the word dummy. Instead if the same function is declared with two parameters: void on_add_files_activate ( GtkWidget *useless , gpointer data); I can successfull print the value dummy pointed by data. Could gtk developers explain this strange behaviour please ? The actual parameters of the callback function is determined by the event and the widget handling the event. Here you are handling the clicked event for a GtkButton. And for this event, the prototype of the callback handler is void user_function(GtkButton *button, gpointer user_data); http://developer.gnome.org/doc/API/2.0/gtk/GtkButton.html#GtkButton-clicked You can use it or not, but you cannot change their order or add more arguments. Maybe others can add more information on this. Rgds, anna -- Open Movie: Not only will the project be realized with Open Source/Free Software, but also the resulting movie will be published under an open public license. This makes it an exciting premiere as first ever Open Movie project! [ http://orange.blender.org ] ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: strangeness of g_signal_connect
Annamalai Gurusami wrote: g_signal_connect( G_OBJECT(AddFile_button), clicked, G_CALLBACK(on_add_files_activate), dummy); The actual parameters of the callback function is determined by the event and the widget handling the event. Here you are handling the clicked event for a GtkButton. And for this event, the prototype of the callback handler is I just tried to replace gpointer with G_OBJECT but nothing to do, the value dummy is never received by the function. I must use two parameters and get rid of the first one to receive the value dummy. -- Colossus Cpsed, a Linux OpenGL 3D scene editor http://cpsed.sourceforge.net/ ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: strangeness of g_signal_connect
Colossus [EMAIL PROTECTED] writes: Annamalai Gurusami wrote: g_signal_connect( G_OBJECT(AddFile_button), clicked, G_CALLBACK(on_add_files_activate), dummy); The actual parameters of the callback function is determined by the event and the widget handling the event. Here you are handling the clicked event for a GtkButton. And for this event, the prototype of the callback handler is I just tried to replace gpointer with G_OBJECT but nothing to do, the value dummy is never received by the function. I must use two parameters and get rid of the first one to receive the value dummy. You took two *separate* comments, joined it together, and now complaining that my suggestion didn't work!! Funny! :-D What I was suggesting is that g_signal_connect( G_OBJECT(AddFile_button), clicked, G_CALLBACK(on_add_files_activate), dummy); is better than g_signal_connect( (gpointer)AddFile_button, clicked, G_CALLBACK(on_add_files_activate), dummy); because G_OBJECT does some type checking. This has nothing to do with the semantics of callback functions. Rgds, anna -- Open Movie: Not only will the project be realized with Open Source/Free Software, but also the resulting movie will be published under an open public license. This makes it an exciting premiere as first ever Open Movie project! [ http://orange.blender.org ] ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
im-xim.la does not export GTK+ IM module API
hi i got following error when compiling gtk - i tried almost everything but error still occurs: Cannot load module /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/im-xim.la: /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/.libs/im-xim.so: undefined symbol: XmbResetIC /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/im-xim.la does not export GTK+ IM module API: /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/.libs/im-xim.so: undefined symbol: XmbResetIC make[3]: *** [gtk.immodules] Error 1 make[3]: Leaving directory `/home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8' make: *** [all] Error 2 thanks for any advice jirka pirko ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
[GObject] Error in unref
I've this check function:
#include woc-pager-test.h
#include woc-pager-parser.c
#define TEST(name, cau) g_print(#name ...\t%s\n, cau ? OK : Fail)
void woc_pager_parser_test() {
WocPagerParser *parser = NULL;
TEST(Check GType, WOC_PAGER_PARSER_TYPE);
TEST(Init, parser = g_object_new(WOC_PAGER_PARSER_TYPE, NULL));
g_print(%p\n, parser-scanner);
g_object_unref(parser);
}
It's print address, but after it's error of memory.
Init/fini functions:
static void class_init(gpointer g_class, gpointer class_data) {
GObjectClass *gclass = G_OBJECT_CLASS(g_class);
gclass-finalize = finalize;
}
static void init(GTypeInstance *instance, gpointer g_class) {
WocPagerParser *self = WOC_PAGER_PARSER(instance);
self-scanner = g_scanner_new(NULL);
}
static void finalize(GObject *object) {
WocPagerParser *self = WOC_PAGER_PARSER(object);
g_print(1);
g_scanner_destroy(self-scanner);
g_print(2);
}
And TypeInfo:
static const GTypeInfo info = {
sizeof(WocPagerParserClass),
NULL,
NULL,
class_init,
NULL,
NULL,
sizeof(WocPagerParser),
0,
init,
NULL
};
What do I do wrong? finalize isn't calling
Regards.
--
Linux user: #376500 (patrz http://counter.li.org/)
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Re: [GObject] Error in unref
Uzytkownik wrote: [...] It's print address, but after it's error of memory. What do you mean by error of memory ? What do I do wrong? finalize isn't calling What does WocPagerParser derive from ? If there is GtkObject in the heirarchy, then gtk_object_sink() needs to be called (or gtk_object_destroy). Cheers, -Tristan ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: [GObject] Error in unref
On Monday 25 July 2005 10:14, Uzytkownik wrote: #define TEST(name, cau) g_print(#name ...\t%s\n, cau ? OK : Fail) TEST(Init, parser = g_object_new(WOC_PAGER_PARSER_TYPE, NULL)); g_print(%p\n, parser-scanner); g_object_unref(parser); ... It's print address, but after it's error of memory. ... What do I do wrong? finalize isn't calling You've shot yourself in the foot with that macro. Here's a hint - try this: g_print (%s\n, parser-scanner); and then think about why that prints OK and what exactly your macro expands to ... :-P Cheers -Tim PS: it should work as expected if you put brackets around the cau in the macro definition ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
calling gtk_menu_popup from a button's clicked signal
Hi!
I have a GtkMenu which I want to popup when a user clicks a button.
my function that is called when user clicks the button looks like this
void
on_zamowienia_button_print_clicked (GtkButton *button,
gpointer user_data)
{
...
}
How do I get the GdkEventButton here so I can pass the time and button
values to gtk_menu_popup ?
thanks in advance
hs
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Re: calling gtk_menu_popup from a button's clicked signal
ok, button-press-event on the button did the job :) ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: calling gtk_menu_popup from a button's clicked signal
Hubert Sokołowski wrote:
Hi!
I have a GtkMenu which I want to popup when a user clicks a button.
my function that is called when user clicks the button looks like this
void
on_zamowienia_button_print_clicked (GtkButton *button,
gpointer user_data)
{
...
}
How do I get the GdkEventButton here so I can pass the time and button
values to gtk_menu_popup ?
You cant,
usualy you would use button-press-event for that.
I suppose generating the arguments for gtk_menu_popup() is no big deal
but why would you want to use a GtkButton to create a context menu ?
Cheers,
-Tristan
Note that You can't is an overstatement, you probably /could/ get
ahold of the button-release-event emmission which is being handled
by GtkButtonClass (hence the emmission of clicked) but that would
just be an API abuse :)
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Window Visibility Signal
What Signal is issued when a window becomes visible or invisible. Say I have a window and other window covers it up, is there signal that is emitted or if a window is uncovered? Thanks, Kevin ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
Kevin DeKorte wrote: What Signal is issued when a window becomes visible or invisible. Say I have a window and other window covers it up, is there signal that is emitted or if a window is uncovered? You'll recieve expose-event whenever X needs to redraw a widget, I think that in cases where the window is actualy presented (like with `gtk_window_present()') you'll recieve focus-in-event on the toplevel. Cheers, -Tristan ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
On Monday 25 July 2005 12:22 pm, Tristan Van Berkom wrote: Kevin DeKorte wrote: What Signal is issued when a window becomes visible or invisible. Say I have a window and other window covers it up, is there signal that is emitted or if a window is uncovered? You'll recieve expose-event whenever X needs to redraw a widget, I think that in cases where the window is actualy presented (like with `gtk_window_present()') you'll recieve focus-in-event on the toplevel. Tristan, Expose is no problem, but what about when it is hid? basically I want to know when the window is hid, so I don't draw to it. Kevin ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: [GObject] Error in unref
Dnia 25-07-2005, pon o godzinie 15:21 +0100, Tim Müller napisał(a): On Monday 25 July 2005 10:14, Uzytkownik wrote: #define TEST(name, cau) g_print(#name ...\t%s\n, cau ? OK : Fail) TEST(Init, parser = g_object_new(WOC_PAGER_PARSER_TYPE, NULL)); g_print(%p\n, parser-scanner); g_object_unref(parser); ... It's print address, but after it's error of memory. ... What do I do wrong? finalize isn't calling You've shot yourself in the foot with that macro. Here's a hint - try this: g_print (%s\n, parser-scanner); and then think about why that prints OK and what exactly your macro expands to ... :-P I'm stupid :) - I didn't remember Be careful with macros This is what is wrong :) Now all it's OK. Cheers -Tim PS: it should work as expected if you put brackets around the cau in the macro definition I forgot it. Thank you very much. Best regards. -- W�ochy i Pary� - przewodniki turystyczne do wyboru. Tylko z lipcowym numerem miesi�cznika Auto+. http://www.a-plus.pl ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: calling gtk_menu_popup from a button's clicked signal
On Mon, 2005-07-25 at 11:53, Tristan Van Berkom wrote: I suppose generating the arguments for gtk_menu_popup() is no big deal but why would you want to use a GtkButton to create a context menu ? First, I'm 100% with you on this issue. The product I support does this and it confuses the users 100% of the time. However, I can't say I could offer a better option where I have seen this interface used. I blame it on how terrible combo boxes are on all platforms. The places I've seen it used are when the user is entering very generic data. The dialog allows the user to save the data or to cancel. If the user wishes to save, the program has to know where/how to save the data. For example, our product helps users keep track of customers and what they've done for these customers. When our user's phone rings, they instantly hit F6 which is an activity dialog that lets them pick the customer and enter in free form notes. The user is only given the option to save or cancel. When the user clicks save they get a context menu where they can pick what to do with the data. There are about ~13 options on the menu. Here are a couple of examples: 1) Save as Note 2) Save as Completed Phone Call 3) Save as Completed Phone Call with Followup 4) Etc. Until the user has been using that screen for a few days, it confuses the mess out of them. There are only maybe 5 places that technique is used in the product thank goodness. Having a required combo box where the user chooses the type of record to create would slow the user down or so the thinking went by the developer. The only other option would have been to make the combo change save the form, but that would have been even worse. ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
Hello, Expose is no problem, but what about when it is hid? basically I want to know when the window is hid, so I don't draw to it. If you only want to check if a widget is visible or not at a particular time, you'll need to check for the 'visible' property of the widget. Moreover, 'expose' signal is called for both the cases (show and hide). If you choose to go the 'expose' way then connect your handler using g_signal_connect_after(). -- Regards, Zeeshan Ali ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: calling gtk_menu_popup from a button's clicked signal
Greg Breland wrote: [...] For example, our product helps users keep track of customers and what they've done for these customers. When our user's phone rings, they instantly hit F6 which is an activity dialog that lets them pick the customer and enter in free form notes. The user is only given the option to save or cancel. When the user clicks save they get a context menu where they can pick what to do with the data. There are about ~13 options on the menu. Here are a couple of examples: 1) Save as Note 2) Save as Completed Phone Call 3) Save as Completed Phone Call with Followup 4) Etc. Until the user has been using that screen for a few days, it confuses the mess out of them. There are only maybe 5 places that technique is used in the product thank goodness. Having a required combo box where the user chooses the type of record to create would slow the user down or so the thinking went by the developer. The only other option would have been to make the combo change save the form, but that would have been even worse. Maybe you could have a GtkTreeView + GtkListStore in a scrolled window on the same page with Save / Cancel, just make sure that the Save button is insensitive untill the selection in the list store is made. Just a thought. Cheers, -Tristan ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: calling gtk_menu_popup from a button's clicked signal
This is the best suggestion I've ever heard as a replacement for the horrible button menu hack. Maybe this will keep the parent poster from adding this hack to yet another piece of software. The only downside I could see is if the list is very long. I think for short lists, say 20 then the treelist vs the context menu works about the same. More than that and the context menu is better because of scree real estate issues. However after a certain point the treelist would work better because long context lists are unusable. On Mon, 2005-07-25 at 14:51, Tristan Van Berkom wrote: Maybe you could have a GtkTreeView + GtkListStore in a scrolled window on the same page with Save / Cancel, just make sure that the Save button is insensitive untill the selection in the list store is made. ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Doubt about free or dont free
I wish the API docs would be added a line for _every_ get- or set- function, which explicitly notes whether and how reference counts of associated objects are changed by that function. I second that motion! Actually, I wish it would be a standard for all GNU-style open source projects. I think it is left out when it might be redundant somehow, but I think the redundancy would be worth it for increased clarity. Chris ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
On Monday 25 July 2005 12:38 pm, Zeeshan Ali wrote: Hello, Expose is no problem, but what about when it is hid? basically I want to know when the window is hid, so I don't draw to it. If you only want to check if a widget is visible or not at a particular time, you'll need to check for the 'visible' property of the widget. Moreover, 'expose' signal is called for both the cases (show and hide). If you choose to go the 'expose' way then connect your handler using g_signal_connect_after(). Nice tip, but unfortunately the expose event does not signal when the object is covered up. Only when revealed. I even hooked event and event-after and nothing was emitted when I covered up the window. Only events were triggered when I moved the mouse into the window and out of it and clicks. The code is doing the following... Runs an external process in a thread and what I want is that when the window is covered up, I want to pause the external process (I can do this via a pipe). When the window is revealed I want the external process to continue on. Which I then can send it another signal via the pipe. So the code is not a loop while it is paused. So I can't check at a regular interval to wake it up. I was hoping I could get signals to tell me when the window was revealed or not so that I could pause for example when a screen saver is kicked off. Or someone switches to another window because something more important came up. Kevin ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Doubt about free or dont free
On Sat, Jul 23, 2005 at 06:29:17PM +0200, Gus Koppel wrote: I wish the API docs would be added a line for _every_ get- or set- function, which explicitly notes whether and how reference counts of associated objects are changed by that function. Take a look at the following wiki page. If your suggestion isn't already present, then add it. http://live.gnome.org/IdealDeveloperDocumentation -- Steve Feehan ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
Hello, Nice tip, but unfortunately the expose event does not signal when the object is covered up. Only when revealed. I even hooked event and event-after and nothing was emitted when I covered up the window. Only events were triggered when I moved the mouse into the window and out of it and clicks. Try visibility-notify-event and try all the other (likely) signals of GtkWidget documented in the gtk+ reference manual please if this doens't work either. Regards, Zeeshan Ali ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
On Mon, Jul 25, 2005 at 01:57:02PM -0600, Kevin DeKorte wrote:
Nice tip, but unfortunately the expose event does not signal when the object
is covered up. Only when revealed. I even hooked event and event-after
and nothing was emitted when I covered up the window. Only events were
triggered when I moved the mouse into the window and out of it and clicks.
I'm not following this thread closely, so I'm sorry if
I missed something, but have you tried visibility-notify-event
signal? See attached example.
Yeti
--
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
===
#include gtk/gtk.h
static gboolean
visibility(GtkWidget *widget,
GdkEventVisibility *event)
{
static const gchar *visibility_names[] = {
Fully visible, Partially obscured, Fully obscured,
};
g_printerr(%s (%p) visibility state: %s\n,
g_type_name(G_TYPE_FROM_INSTANCE(widget)), widget,
visibility_names[event-state]);
return FALSE;
}
int
main(int argc, char *argv[])
{
GtkWidget *window;
gtk_init(argc, argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_widget_add_events(window, GDK_VISIBILITY_NOTIFY_MASK);
g_signal_connect(window, destroy, G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect(window, visibility-notify-event,
G_CALLBACK(visibility), NULL);
gtk_window_set_default_size(GTK_WINDOW(window), 320, 240);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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Re: Window Visibility Signal
Kevin DeKorte wrote: [...] Nice tip, but unfortunately the expose event does not signal when the object is covered up. Only when revealed. I even hooked event and event-after and nothing was emitted when I covered up the window. Only events were triggered when I moved the mouse into the window and out of it and clicks. I found what your looking for :) http://developer.gnome.org/doc/API/2.0/gtk/GtkWidget.html#GtkWidget-visibility-notify-event http://developer.gnome.org/doc/API/2.0/gdk/gdk-Event-Structures.html#GdkEventVisibility http://developer.gnome.org/doc/API/2.0/gdk/gdk-Event-Structures.html#GdkVisibilityState Cheers, -Tristan ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: im-xim.la does not export GTK+ IM module API
On Mon, Jul 25, 2005 at 02:52:38PM +0200, Jirka Pirko wrote: i got following error when compiling gtk - i tried almost everything but error still occurs: Cannot load module /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/im-xim.la: /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/.libs/im-xim.so: undefined symbol: XmbResetIC /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/im-xim.la does not export GTK+ IM module API: /home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input/.libs/im-xim.so: undefined symbol: XmbResetIC make[3]: *** [gtk.immodules] Error 1 make[3]: Leaving directory `/home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules/input' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8/modules' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/peyrak/src/newshot2/kdrive/gtk/gtk+-2.6.8' make: *** [all] Error 2 thanks for any advice XmbResetIC is normally defined in libX11. What xlib you are trying to link with? I see KDrive in your directory paths, maybe your xlib is minimalistic (read: incomplete) too... Try to simply disable the XIM module: make IM_XIM_MODULE= Yeti -- A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail? ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Is it possible to use int in labels?
I got it working with this: int number = 12; char count[128]; sprintf( count, %i, number ); thanks for all the help 2005/7/20, Søren Juul [EMAIL PROTECTED]: Is it possible to use a int in labels? or is it only chars? Søren J ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Window Visibility Signal
On Monday 25 July 2005 02:11 pm, David Necas (Yeti) wrote: On Mon, Jul 25, 2005 at 01:57:02PM -0600, Kevin DeKorte wrote: Nice tip, but unfortunately the expose event does not signal when the object is covered up. Only when revealed. I even hooked event and event-after and nothing was emitted when I covered up the window. Only events were triggered when I moved the mouse into the window and out of it and clicks. I'm not following this thread closely, so I'm sorry if I missed something, but have you tried visibility-notify-event signal? See attached example. Ah! sample code is good... had been trying the visibility-notify-event, but it didn't work then I saw the add_events call and I went ... doh! Added that and it works almost how I want it, is there another event I should be looking for as well? Switching desktops and minimizing does not seem to pop the event, but this is pretty close. Covering up the window does work.. Kevin ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
Re: Doubt about free or dont free
Gus Koppel wrote: While the case of returned const gchar *s is rather simple, the real problem to me is that the API docs are quite less explicit when it comes to more complex objects than just string constants. For instance, whether and how reference counts of objects related to treeviews are changed by what GTK+ functions dealing with them remains undocumented. For instance: whether gtk_tree_view_set_model() changes the reference counts of either the newly set or the replaced GtkTreeModel remains as unclear as whether gtk_tree_view_get_selection() increases the reference count of the selection object or not. If I remember right the first function changes reference counts while the 2nd one doesn't but I may be wrong on this. Frequent explicit checks on object reference counts after many GTK+ functions are my only way to make sure about this while developping. I wish the API docs would be added a line for _every_ get- or set- function, which explicitly notes whether and how reference counts of associated objects are changed by that function. IMHO especially the Gtk docs lack a lot here. For many methods one has to look into the sources to find out wheter to unref or free. Problem is that that docs don't use G_CONST_RETURN. Some examples: gtk_*_get_model() gtk_combo_box_get_popup_accessible() gtk_widget_get_accessible() (this one is 100% undocumented) Filed as http://bugzilla.gnome.org/show_bug.cgi?id=311536 Please add others you find. Similiar problem applies to methods like gtk_tree_model_get() These functions should realy document wheter the ref object references returned in their out-params or not (they dont). Stefan ___ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
