/* abstract channel view: tabs or tree or anything you like */
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include "chanview.h"
#include "gtkutil.h"
/* treeStore columns */
#define COL_NAME 0 /* (char *) */
#define COL_CHAN 1 /* (chan *) */
#define COL_ATTR 2 /* (PangoAttrList *) */
#define COL_PIXBUF 3 /* (GdkPixbuf *) */
struct _chanview
{
/* impl scratch area */
char implscratch[sizeof (void *) * 8];
GtkTreeStore *store;
int size; /* number of channels in view */
GtkWidget *box; /* the box we destroy when changing implementations */
GtkStyle *style; /* style used for tree */
chan *focused; /* currently focused channel */
int trunc_len;
/* callbacks */
void (*cb_focus) (chanview *, chan *, int tag, void *userdata);
void (*cb_xbutton) (chanview *, chan *, int tag, void *userdata);
gboolean (*cb_contextmenu) (chanview *, chan *, int tag, void *userdata, GdkEventButton *);
int (*cb_compare) (void *a, void *b);
/* impl */
void (*func_init) (chanview *);
void (*func_postinit) (chanview *);
void *(*func_add) (chanview *, chan *, char *, GtkTreeIter *);
void (*func_move_focus) (chanview *, gboolean, int);
void (*func_change_orientation) (chanview *);
void (*func_remove) (chan *);
void (*func_move) (chan *, int delta);
void (*func_move_family) (chan *, int delta);
void (*func_focus) (chan *);
void (*func_set_color) (chan *, PangoAttrList *);
void (*func_rename) (chan *, char *);
gboolean (*func_is_collapsed) (chan *);
chan *(*func_get_parent) (chan *);
void (*func_cleanup) (chanview *);
unsigned int sorted:1;
unsigned int vertical:1;
unsigned int use_icons:1;
};
struct _chan
{
chanview *cv; /* our owner */
GtkTreeIter iter;
void *userdata; /* session * */
void *family; /* server * or null */
void *impl; /* togglebutton or null */
GdkPixbuf *icon;
short allow_closure; /* allow it to be closed when it still has children? */
short tag;
};
static chan *cv_find_chan_by_number (chanview *cv, int num);
static int cv_find_number_of_chan (chanview *cv, chan *find_ch);
/* ======= TABS ======= */
#include "chanview-tabs.c"
/* ======= TREE ======= */
#include "chanview-tree.c"
/* ==== ABSTRACT CHANVIEW ==== */
static char *
truncate_tab_name (char *name, int max)
{
char *buf;
if (max > 2 && g_utf8_strlen (name, -1) > max)
{
/* truncate long channel names */
buf = malloc (strlen (name) + 4);
strcpy (buf, name);
g_utf8_offset_to_pointer (buf, max)[0] = 0;
strcat (buf, "..");
return buf;
}
return name;
}
/* iterate through a model, into 1 depth of children */
static void
model_foreach_1 (GtkTreeModel *model, void (*func)(void *, GtkTreeIter *),
void *userdata)
{
GtkTreeIter iter, inner;
if (gtk_tree_model_get_iter_first (model, &iter))
{
do
{
func (userdata, &iter);
if (gtk_tree_model_iter_children (model, &inner, &iter))
{
do
func (userdata, &inner);
while (gtk_tree_model_iter_next (model, &inner));
}
}
while (gtk_tree_model_iter_next (model, &iter));
}
}
static void
chanview_pop_cb (chanview *cv, GtkTreeIter *iter)
{
chan *ch;
char *name;
PangoAttrList *attr;
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), iter,
COL_NAME, &name, COL_CHAN, &ch, COL_ATTR, &attr, -1);
ch->impl = cv->func_add (cv, ch, name, NULL);
if (attr)
{
cv->func_set_color (ch, attr);
pango_attr_list_unref (attr);
}
g_free (name);
}
static void
chanview_populate (chanview *cv)
{
model_foreach_1 (GTK_TREE_MODEL (cv->store), (void *)chanview_pop_cb, cv);
}
void
chanview_set_impl (chanview *cv, int type)
{
/* cleanup the old one */
if (cv->func_cleanup)
cv->func_cleanup (cv);
switch (type)
{
case 0:
cv->func_init = cv_tabs_init;
cv->func_postinit = cv_tabs_postinit;
cv->func_add = cv_tabs_add;
cv->func_move_focus = cv_tabs_move_focus;
cv->func_change_orientation = cv_tabs_change_orientation;
cv->func_remove = cv_tabs_remove;
cv->func_move = cv_tabs_move;
cv->func_move_family = cv_tabs_move_family;
cv->func_focus = cv_tabs_focus;
cv->func_set_color = cv_tabs_set_color;
cv->func_rename = cv_tabs_rename;
cv->func_is_collapsed = cv_tabs_is_collapsed;
cv->func_get_parent = cv_tabs_get_parent;
cv->func_cleanup = cv_tabs_cleanup;
break;
default:
cv->func_init = cv_tree_init;
cv->func_postinit = cv_tree_postinit;
cv->func_add = cv_tree_add;
cv->func_move_focus = cv_tree_move_focus;
cv->func_change_orientation = cv_tree_change_orientation;
cv->func_remove = cv_tree_remove;
cv->func_move = cv_tree_move;
cv->func_move_family = cv_tree_move_family;
cv->func_focus = cv_tree_focus;
cv->func_set_color = cv_tree_set_color;
cv->func_rename = cv_tree_rename;
cv->func_is_collapsed = cv_tree_is_collapsed;
cv->func_get_parent = cv_tree_get_parent;
cv->func_cleanup = cv_tree_cleanup;
break;
}
/* now rebuild a new tabbar or tree */
cv->func_init (cv);
chanview_populate (cv);
cv->func_postinit (cv);
/* force re-focus */
if (cv->focused)
cv->func_focus (cv->focused);
}
static void
chanview_free_ch (chanview *cv, GtkTreeIter *iter)
{
chan *ch;
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), iter, COL_CHAN, &ch, -1);
free (ch);
}
static void
chanview_destroy_store (chanview *cv) /* free every (chan *) in the store */
{
model_foreach_1 (GTK_TREE_MODEL (cv->store), (void *)chanview_free_ch, cv);
g_object_unref (cv->store);
}
static void
chanview_destroy (chanview *cv)
{
if (cv->func_cleanup)
cv->func_cleanup (cv);
if (cv->box)
gtk_widget_destroy (cv->box);
chanview_destroy_store (cv);
free (cv);
}
static void
chanview_box_destroy_cb (GtkWidget *box, chanview *cv)
{
cv->box = NULL;
chanview_destroy (cv);
}
chanview *
chanview_new (int type, int trunc_len, gboolean sort, gboolean use_icons,
GtkStyle *style)
{
chanview *cv;
cv = calloc (1, sizeof (chanview));
cv->store = gtk_tree_store_new (4, G_TYPE_STRING, G_TYPE_POINTER,
PANGO_TYPE_ATTR_LIST, GDK_TYPE_PIXBUF);
cv->style = style;
cv->box = gtk_hbox_new (0, 0);
cv->trunc_len = trunc_len;
cv->sorted = sort;
cv->use_icons = use_icons;
gtk_widget_show (cv->box);
chanview_set_impl (cv, type);
g_signal_connect (G_OBJECT (cv->box), "destroy",
G_CALLBACK (chanview_box_destroy_cb), cv);
return cv;
}
/* too lazy for signals */
void
chanview_set_callbacks (chanview *cv,
void (*cb_focus) (chanview *, chan *, int tag, void *userdata),
void (*cb_xbutton) (chanview *, chan *, int tag, void *userdata),
gboolean (*cb_contextmenu) (chanview *, chan *, int tag, void *userdata, GdkEventButton *),
int (*cb_compare) (void *a, void *b))
{
cv->cb_focus = cb_focus;
cv->cb_xbutton = cb_xbutton;
cv->cb_contextmenu = cb_contextmenu;
cv->cb_compare = cb_compare;
}
/* find a place to insert this new entry, based on the compare function */
static void
chanview_insert_sorted (chanview *cv, GtkTreeIter *add_iter, GtkTreeIter *parent, void *ud)
{
GtkTreeIter iter;
chan *ch;
if (cv->sorted && gtk_tree_model_iter_children (GTK_TREE_MODEL (cv->store), &iter, parent))
{
do
{
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), &iter, COL_CHAN, &ch, -1);
if (ch->tag == 0 && cv->cb_compare (ch->userdata, ud) > 0)
{
gtk_tree_store_insert_before (cv->store, add_iter, parent, &iter);
return;
}
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (cv->store), &iter));
}
gtk_tree_store_append (cv->store, add_iter, parent);
}
/* find a parent node with the same "family" pointer (i.e. the Server tab) */
static int
chanview_find_parent (chanview *cv, void *family, GtkTreeIter *search_iter, chan *avoid)
{
chan *search_ch;
/* find this new row's parent, if any */
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (cv->store), search_iter))
{
do
{
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), search_iter,
COL_CHAN, &search_ch, -1);
if (family == search_ch->family && search_ch != avoid /*&&
gtk_tree_store_iter_depth (cv->store, search_iter) == 0*/)
return TRUE;
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (cv->store), search_iter));
}
return FALSE;
}
static chan *
chanview_add_real (chanview *cv, char *name, void *family, void *userdata,
gboolean allow_closure, int tag, GdkPixbuf *icon,
chan *ch, chan *avoid)
{
GtkTreeIter parent_iter;
GtkTreeIter iter;
gboolean has_parent = FALSE;
if (chanview_find_parent (cv, family, &parent_iter, avoid))
{
chanview_insert_sorted (cv, &iter, &parent_iter, userdata);
has_parent = TRUE;
} else
{
gtk_tree_store_append (cv->store, &iter, NULL);
}
if (!ch)
{
ch = calloc (1, sizeof (chan));
ch->userdata = userdata;
ch->family = family;
ch->cv = cv;
ch->allow_closure = allow_closure;
ch->tag = tag;
ch->icon = icon;
}
memcpy (&(ch->iter), &iter, sizeof (iter));
gtk_tree_store_set (cv->store, &iter, COL_NAME, name, COL_CHAN, ch,
COL_PIXBUF, icon, -1);
cv->size++;
if (!has_parent)
ch->impl = cv->func_add (cv, ch, name, NULL);
else
ch->impl = cv->func_add (cv, ch, name, &parent_iter);
return ch;
}
chan *
chanview_add (chanview *cv, char *name, void *family, void *userdata, gboolean allow_closure, int tag, GdkPixbuf *icon)
{
char *new_name;
chan *ret;
new_name = truncate_tab_name (name, cv->trunc_len);
ret = chanview_add_real (cv, new_name, family, userdata, allow_closure, tag, icon, NULL, NULL);
if (new_name != name)
free (new_name);
return ret;
}
int
chanview_get_size (chanview *cv)
{
return cv->size;
}
GtkWidget *
chanview_get_box (chanview *cv)
{
return cv->box;
}
void
chanview_move_focus (chanview *cv, gboolean relative, int num)
{
cv->func_move_focus (cv, relative, num);
}
GtkOrientation
chanview_get_orientation (chanview *cv)
{
return (cv->vertical ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL);
}
void
chanview_set_orientation (chanview *cv, gboolean vertical)
{
if (vertical != cv->vertical)
{
cv->vertical = vertical;
cv->func_change_orientation (cv);
}
}
int
chan_get_tag (chan *ch)
{
return ch->tag;
}
void *
chan_get_userdata (chan *ch)
{
return ch->userdata;
}
void
chan_focus (chan *ch)
{
if (ch->cv->focused == ch)
return;
ch->cv->func_focus (ch);
}
void
chan_move (chan *ch, int delta)
{
ch->cv->func_move (ch, delta);
}
void
chan_move_family (chan *ch, int delta)
{
ch->cv->func_move_family (ch, delta);
}
void
chan_set_color (chan *ch, PangoAttrList *list)
{
gtk_tree_store_set (ch->cv->store, &ch->iter, COL_ATTR, list, -1);
ch->cv->func_set_color (ch, list);
}
void
chan_rename (chan *ch, char *name, int trunc_len)
{
char *new_name;
new_name = truncate_tab_name (name, trunc_len);
gtk_tree_store_set (ch->cv->store, &ch->iter, COL_NAME, new_name, -1);
ch->cv->func_rename (ch, new_name);
ch->cv->trunc_len = trunc_len;
if (new_name != name)
free (new_name);
}
/* this thing is overly complicated */
static int
cv_find_number_of_chan (chanview *cv, chan *find_ch)
{
GtkTreeIter iter, inner;
chan *ch;
int i = 0;
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (cv->store), &iter))
{
do
{
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), &iter, COL_CHAN, &ch, -1);
if (ch == find_ch)
return i;
i++;
if (gtk_tree_model_iter_children (GTK_TREE_MODEL (cv->store), &inner, &iter))
{
do
{
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), &inner, COL_CHAN, &ch, -1);
if (ch == find_ch)
return i;
i++;
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (cv->store), &inner));
}
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (cv->store), &iter));
}
return 0; /* WARNING */
}
/* this thing is overly complicated too */
static chan *
cv_find_chan_by_number (chanview *cv, int num)
{
GtkTreeIter iter, inner;
chan *ch;
int i = 0;
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (cv->store), &iter))
{
do
{
if (i == num)
{
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), &iter, COL_CHAN, &ch, -1);
return ch;
}
i++;
if (gtk_tree_model_iter_children (GTK_TREE_MODEL (cv->store), &inner, &iter))
{
do
{
if (i == num)
{
gtk_tree_model_get (GTK_TREE_MODEL (cv->store), &inner, COL_CHAN, &ch, -1);
return ch;
}
i++;
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (cv->store), &inner));
}
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (cv->store), &iter));
}
return NULL;
}
static void
chan_emancipate_children (chan *ch)
{
char *name;
chan *childch;
GtkTreeIter childiter;
PangoAttrList *attr;
while (gtk_tree_model_iter_children (GTK_TREE_MODEL (ch->cv->store), &childiter, &ch->iter))
{
/* remove and re-add all the children, but avoid using "ch" as parent */
gtk_tree_model_get (GTK_TREE_MODEL (ch->cv->store), &childiter,
COL_NAME, &name, COL_CHAN, &childch, COL_ATTR, &attr, -1);
ch->cv->func_remove (childch);
gtk_tree_store_remove (ch->cv->store, &childiter);
ch->cv->size--;
chanview_add_real (childch->cv, name, childch->family, childch->userdata, childch->allow_closure, childch->tag, childch->icon, childch, ch);
if (attr)
{
childch->cv->func_set_color (childch, attr);
pango_attr_list_unref (attr);
}
g_free (name);
}
}
gboolean
chan_remove (chan *ch, gboolean force)
{
chan *new_ch;
int i, num;
extern int hexchat_is_quitting;
if (hexchat_is_quitting) /* avoid lots of looping on exit */
return TRUE;
/* is this ch allowed to be closed while still having children? */
if (!force &&
gtk_tree_model_iter_has_child (GTK_TREE_MODEL (ch->cv->store), &ch->iter) &&
!ch->allow_closure)
return FALSE;
chan_emancipate_children (ch);
ch->cv->func_remove (ch);
/* is it the focused one? */
if (ch->cv->focused == ch)
{
ch->cv->focused = NULL;
/* try to move the focus to some other valid channel */
num = cv_find_number_of_chan (ch->cv, ch);
/* move to the one left of the closing tab */
new_ch = cv_find_chan_by_number (ch->cv, num - 1);
if (new_ch && new_ch != ch)
{
chan_focus (new_ch); /* this'll will set ch->cv->focused for us too */
} else
{
/* if it fails, try focus from tab 0 and up */
for (i = 0; i < ch->cv->size; i++)
{
new_ch = cv_find_chan_by_number (ch->cv, i);
if (new_ch && new_ch != ch)
{
chan_focus (new_ch); /* this'll will set ch->cv->focused for us too */
break;
}
}
}
}
ch->cv->size--;
gtk_tree_store_remove (ch->cv->store, &ch->iter);
free (ch);
return TRUE;
}
gboolean
chan_is_collapsed (chan *ch)
{
return ch->cv->func_is_collapsed (ch);
}
chan *
chan_get_parent (chan *ch)
{
return ch->cv->func_get_parent (ch);
}
