I am trying to develop my own lxpanel plugin. Right now it is just a
stripped down version of example_plug and I am trying to get it to
compile. I have attached a file containing all info I think might be
useful, which is the source file, the Makefile (handwritten) and the
output of make (without arguments). I think the problem is in the
makefile and I should add something, but I don't know what. Can anyone
help me?
Thanks in advance.
P.s. I asked earlier for global directions on writing a plugin and
didn't get a response. I have figured out enough by myself to have come
this far, if I get it to work I might write the Wiki page I mentioned in
my earlier post.
##########################################################################################################################################################################################################
contents of lxglobalmenu.c
##########################################################################################################################################################################################################
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <glib-2.0/glib.h>
#include <string.h>
#include <lxpanel/plugin.h>
#include <globalmenu-server.h>
typedef struct {
unsigned int timer;
Plugin * plugin;
GtkWidget *main;
GtkWidget *widget;
GtkTooltips *tip;
gchar* file;
gchar* file2;
} LXGlobalMenu;
gboolean button_press_event( GtkWidget *widget, GdkEventButton* event, Plugin*
plugin)
{
ENTER2;
if( event->button == 1 ) /* left button */
{
/* write here */
}
else if( event->button == 2 ) /* middle button */
{
/* write here */
}
else if( event->button == 3 ) /* right button */
{
GtkMenu* popup = (GtkMenu*)lxpanel_get_panel_menu(
plugin->panel, plugin, FALSE ); /* lxpanel_menu, can be reimplemented */
gtk_menu_popup( popup, NULL, NULL, NULL, NULL, event->button,
event->time );
return TRUE;
}
RET2(TRUE);
}
gboolean scroll_event (GtkWidget *widget, GdkEventScroll *event, Plugin* plugin)
{
ENTER2;
RET2(TRUE);
}
static gint update_tooltip(LXGlobalMenu *menu)
{
char *tooltip;
ENTER;
tooltip = "test";
gtk_tooltips_set_tip(menu->tip, menu->main, tooltip, NULL);
g_free(tooltip);
RET(TRUE);
}
static int globalmenu_constructor(Plugin *p, char** fp)
{
LXGlobalMenu *menu;
ENTER;
/* initialization */
menu = g_new0(LXGlobalMenu, 1);
menu->plugin = p;
p->priv = menu;
p->pwid = gtk_event_box_new();
GTK_WIDGET_SET_FLAGS( p->pwid, GTK_NO_WINDOW );
gtk_container_set_border_width( GTK_CONTAINER(p->pwid), 2 );
menu->widget = gtk_label_new(" ");
gtk_container_add(GTK_CONTAINER(p->pwid), menu->widget);
menu->main = p->pwid;
menu->tip = gtk_tooltips_new();
update_tooltip(menu);
g_signal_connect (G_OBJECT (p->pwid), "button_press_event", G_CALLBACK
(button_press_event), (gpointer) p);
g_signal_connect (G_OBJECT (p->pwid), "scroll_event", G_CALLBACK
(scroll_event), (gpointer) p);
if(!parse_params(menu, fp)) goto error;
gtk_widget_show(menu->widget); /* show plugin on panel */
RET(TRUE);
error:
destructor( p );
RET(FALSE);
}
gboolean parse_params (LXGlobalMenu menu, char** fp) {
line s;
s.len = 256;
if (fp)
{
while (lxpanel_get_line(fp, &s) != LINE_BLOCK_END)
{
if (s.type == LINE_NONE) {
ERR( "globalmenu: illegal token %s\n", s.str);
goto error;
}
if (s.type == LINE_VAR) {
if (!g_ascii_strcasecmp(s.t[0], "file")){
menu.file = g_strdup(s.t[1]);
}else if (!g_ascii_strcasecmp(s.t[0], "file2")){
menu.file2 = g_strdup(s.t[1]);
}else {
ERR( "globalmenu: unknown var %s\n",
s.t[0]);
continue;
}
}
else {
ERR( "globalmenu: illegal in this context
%s\n", s.str);
return FALSE;
}
}
}
return TRUE;
error:
destructor( menu.plugin );
RET(FALSE);
}
static void applyConfig(Plugin* p)
{
ENTER;
LXGlobalMenu *menu = (LXGlobalMenu *) p->priv;
update_tooltip(menu);
RET();
}
static void config(Plugin *p, GtkWindow* parent) {
ENTER;
GtkWidget *dialog;
LXGlobalMenu *menu = (LXGlobalMenu *) p->priv;
dialog = create_generic_config_dlg(_(p->class->name),
GTK_WIDGET(parent),
(GSourceFunc) applyConfig, (gpointer) p,
_("File"), &menu->file, CONF_TYPE_FILE,
_("File"), &menu->file2, CONF_TYPE_FILE_ENTRY,
NULL);
gtk_window_present(GTK_WINDOW(dialog));
RET();
}
static void globalmenu_destructor(Plugin *p)
{
ENTER;
LXGlobalMenu *menu = (LXGlobalMenu *)p->priv;
g_source_remove(menu->timer);
g_free(menu);
RET();
}
static void save_config( Plugin* p, FILE* fp )
{
ENTER;
LXGlobalMenu *menu = (LXGlobalMenu *)p->priv;
lxpanel_put_str( fp, "file", menu->file );
lxpanel_put_str( fp, "file2", menu->file2 );
RET();
}
PluginClass globalmenu_plugin_class = {
PLUGINCLASS_VERSIONING,
type : "globalmenu",
name : "GlobalMenu plugin",
version: "0.1",
description : "GlobalMenu plugin for LXPanel",
constructor : globalmenu_constructor,
destructor : globalmenu_destructor,
config : config,
save : save_config,
panel_configuration_changed : NULL
};
##########################################################################################################################################################################################################
contents of Makefile
##########################################################################################################################################################################################################
LXDE_PREFIX=$(HOME)/opt/lxde
PREFIX=$(HOME)/opt/lxde
GLOBALMENU_PREFIX=$(HOME)/experimental
all:
@echo "compiling and linking"
gcc -pthread -I$(LXDE_PREFIX)/include
-I$(LXDE_PREFIX)/include/menu-cache -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include
-I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0
-I/usr/include/gio-unix-2.0/ -I/usr/include/pixman-1 -I/usr/include/freetype2
-I/usr/include/libpng12 -I$(GLOBALMENU_PREFIX)/include
-I$(GLOBALMENU_PREFIX)/include/gnome-globalmenu -L$(LXDE_PREFIX)/lib
-L$(GLOBALMENU_PREFIX)/lib -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lpangoft2-1.0
-lgdk_pixbuf-2.0 -lm -lpangocairo-1.0 -lcairo -lgio-2.0 -lpango-1.0 -lfreetype
-lfontconfig -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt -lmenu-cache
-lglib-2.0 -o lxglobalmenu.so lxglobalmenu.c
install: all
@echo "installing"
install -v -m 755 lxglobalmenu.so $(PREFIX)/lib/lxpanel
##########################################################################################################################################################################################################
output of make
##########################################################################################################################################################################################################
compiling and linking
gcc -pthread -I/home/toonoob2banoob/opt/lxde/include
-I/home/toonoob2banoob/opt/lxde/include/menu-cache -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include
-I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0
-I/usr/include/gio-unix-2.0/ -I/usr/include/pixman-1 -I/usr/include/freetype2
-I/usr/include/libpng12 -I/home/toonoob2banoob/experimental/include
-I/home/toonoob2banoob/experimental/include/gnome-globalmenu
-L/home/toonoob2banoob/opt/lxde/lib -L/home/toonoob2banoob/experimental/lib
-lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lpangoft2-1.0 -lgdk_pixbuf-2.0 -lm
-lpangocairo-1.0 -lcairo -lgio-2.0 -lpango-1.0 -lfreetype -lfontconfig
-lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt -lmenu-cache -lglib-2.0 -o
lxglobalmenu.so lxglobalmenu.c
lxglobalmenu.c: In function âconfigâ:
lxglobalmenu.c:166: warning: assignment makes pointer from integer without a
cast
/usr/lib/gcc/i486-linux-gnu/4.4.5/../../../../lib/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
/tmp/ccmwG0gx.o: In function `button_press_event':
lxglobalmenu.c:(.text+0x6e): undefined reference to `lxpanel_get_panel_menu'
/tmp/ccmwG0gx.o: In function `globalmenu_constructor':
lxglobalmenu.c:(.text+0x33f): undefined reference to `destructor'
/tmp/ccmwG0gx.o: In function `parse_params':
lxglobalmenu.c:(.text+0x3a5): undefined reference to `destructor'
lxglobalmenu.c:(.text+0x466): undefined reference to `lxpanel_get_line'
/tmp/ccmwG0gx.o: In function `config':
lxglobalmenu.c:(.text+0x4b9): undefined reference to `_'
lxglobalmenu.c:(.text+0x4d0): undefined reference to `_'
lxglobalmenu.c:(.text+0x4ff): undefined reference to `_'
lxglobalmenu.c:(.text+0x549): undefined reference to `create_generic_config_dlg'
/tmp/ccmwG0gx.o: In function `save_config':
lxglobalmenu.c:(.text+0x5e4): undefined reference to `lxpanel_put_line'
lxglobalmenu.c:(.text+0x620): undefined reference to `lxpanel_put_line'
collect2: ld returned 1 exit status
make: *** [all] Error 1
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