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