queries.c

   1 /*
   2  * (c) 2010 Cyrill Gorcunov, gorcunov@gmail.com
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or (at
   7  * your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  *
  18  * handle queries (id-utils, cscope, text, etc...)
  19  */
  20
  21 #include <unistd.h>
  22 #include <stdio.h>
  23 #include <stddef.h>
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <string.h>
  27 #include <errno.h>
  28 #include <limits.h>
  29 #include <sys/param.h>
  30 #include <sys/types.h>
  31
  32 #include <gtk/gtk.h>
  33
  34 #include "queries.h"
  35 #include "notebook.h"
  36 #include "tags.h"
  37 #include "backend-proto.h"
  38 #include "sourceview.h"
  39 #include "view.h"
  40
  41 #include "util.h"
  42 #include "list.h"
  43
  44 #include "mark.h"
  45
  46 enum {
  47         COL_FILE,
  48         COL_LINE,
  49         COL_FUNC,
  50         COL_INDEX,
  51         NUM_COLS
  52 };
  53
  54 int query_switch_or_read_source_into_notebook(struct gscope_info *info, struct backend_proto_item *item)
  55 {
  56         struct notebook_page *page;
  57         struct source_view *sv;
  58         int attempt = 2;
  59
  60         while (attempt--) {
  61                 /*
  62                  * search thru all sourceview pages
  63                  * and highlight the name found
  64                  */
  65                 //debug("---");
  66                 list_for_each_entry(page, &info->notebook_source->pages, siblings) {
  67                         sv = (struct source_view *)page->private;
  68                         //debug("(%s : %s) : %s", sv->file_name, sv->file_path, item->file);
  69                         if (!strcmp(item->file, sv->file_path)) {
  70                                 mark_push(item);
  71                                 source_view_scroll_to_line(sv, item->line);
  72                                 notebook_activate_page(info->notebook_source, page);
  73                                 return 0;
  74                         }
  75                 }
  76                 /* not found, create new one */
  77                 read_file_into_notebook(info, item->file);
  78         }
  79         warning("Too many attempts too read file: %s", item->file);
  80         return -1;
  81 }
  82
  83 static int item_from_row(GtkTreeView *view, GtkTreePath *path, struct query_result *query,
  84                         struct backend_proto_item *item)
  85 {
  86         GtkTreeModel *model;
  87         GtkTreeIter iter;
  88
  89         model = gtk_tree_view_get_model(view);
  90         if (gtk_tree_model_get_iter(model, &iter, path)) {
  91                 unsigned long key;
  92                 gtk_tree_model_get(model, &iter, COL_INDEX, &key, -1);
  93                 if (query->proto->backend_proto_lookup(query->head, item, key)) {
  94                         warning("%s: Lookup for key %lu failed",
  95                                 query->proto->protocol_name, key);
  96                         return -1;
  97                 }
  98                 /* FIXME: free or unreference */
  99         }
 100
 101         return 0;
 102 }
 103
 104 static gboolean
 105 on_query_tree_widget_button_press_event(GtkWidget *widget,
 106                                         GdkEventButton *event,
 107                                         gpointer data)
 108 {
 109         struct query_view *query_view = (struct query_view *)data;
 110         GtkTreeViewColumn *focus_column = NULL;
 111         GtkTreePath *path = NULL;
 112
 113         if (event->button != 1 || event->type != GDK_2BUTTON_PRESS)
 114                 return FALSE;
 115
 116         gtk_tree_view_get_cursor(GTK_TREE_VIEW(query_view->query_tree_widget), &path, &focus_column);
 117         if (path) {
 118                 struct notebook_page *page;
 119                 struct source_view *sv;
 120                 struct backend_proto_item item;
 121                 if (item_from_row(GTK_TREE_VIEW(widget), path, &query_view->query, &item)) {
 122                         //debug("item_from_row failed");
 123                         goto out;
 124                 }
 125                 query_switch_or_read_source_into_notebook(&gscope_info, &item);
 126 out:
 127                 gtk_tree_path_free(path);
 128         }
 129
 130         return FALSE;
 131 }
 132
 133 struct query_view *query_view_create(struct query_result *query_result)
 134 {
 135         GtkWidget *scroll_tree;
 136         GtkCellRenderer *renderer;
 137         GtkTreeViewColumn *column;
 138         GtkTreeModel *model;
 139         GtkTreeIter iter;
 140
 141         struct query_view *query_view;
 142         struct backend_proto_item item;
 143         struct list_head *t;
 144
 145         if (!(is_valid_query_result(query_result)))
 146                 return NULL;
 147
 148         query_view = xzalloc(sizeof(*query_view));
 149         memcpy(&query_view->query, query_result, sizeof(query_view->query));
 150
 151         /*
 152          * GUI things
 153          */
 154         query_view->me = gtk_hpaned_new();
 155
 156         scroll_tree = gtk_scrolled_window_new(NULL, NULL);
 157         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_tree),
 158                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 159
 160         query_view->query_tree_widget = gtk_tree_view_new();
 161         gtk_container_add(GTK_CONTAINER(scroll_tree), query_view->query_tree_widget);
 162
 163         renderer = gtk_cell_renderer_text_new();
 164         column = gtk_tree_view_column_new_with_attributes("File",
 165                                 renderer, "text", COL_FILE, NULL);
 166         gtk_tree_view_column_set_resizable(column, TRUE);
 167         gtk_tree_view_column_set_sort_column_id(column, COL_FILE);
 168         gtk_tree_view_append_column(GTK_TREE_VIEW(query_view->query_tree_widget), column);
 169
 170         renderer = gtk_cell_renderer_text_new();
 171         column = gtk_tree_view_column_new_with_attributes("Line",
 172                                 renderer, "text", COL_LINE, NULL);
 173         gtk_tree_view_column_set_resizable(column, TRUE);
 174         gtk_tree_view_column_set_sort_column_id(column, COL_LINE);
 175         gtk_tree_view_append_column(GTK_TREE_VIEW(query_view->query_tree_widget), column);
 176
 177         renderer = gtk_cell_renderer_text_new();
 178         column = gtk_tree_view_column_new_with_attributes("Text",
 179                                 renderer, "text", COL_FUNC, NULL);
 180         gtk_tree_view_column_set_resizable(column, TRUE);
 181         gtk_tree_view_column_set_sort_column_id(column, COL_FUNC);
 182         gtk_tree_view_append_column(GTK_TREE_VIEW(query_view->query_tree_widget), column);
 183
 184         query_view->query_store = gtk_list_store_new(NUM_COLS,
 185                                         G_TYPE_STRING, G_TYPE_UINT,
 186                                         G_TYPE_STRING, G_TYPE_ULONG);
 187
 188         list_for_each(t, query_result->head) {
 189                 int err = query_result->proto->backend_proto_get(t, &item);
 190                 if (err) {
 191                         error("%s: backend_proto_get returned %d",
 192                                 query_result->proto->protocol_name, err);
 193                         break;
 194                 }
 195                 gtk_list_store_append(query_view->query_store, &iter);
 196                 gtk_list_store_set(query_view->query_store, &iter,
 197                                 COL_FILE, item.file,
 198                                 COL_LINE, item.line,
 199                                 COL_FUNC, item.text,
 200                                 COL_INDEX,item.key,
 201                                 -1);
 202         }
 203
 204         model = GTK_TREE_MODEL(query_view->query_store);
 205         gtk_tree_view_set_model(GTK_TREE_VIEW(query_view->query_tree_widget), model);
 206
 207         /* there is own reference anyway */
 208         g_object_unref(model);
 209
 210         gtk_paned_pack1(GTK_PANED(query_view->me), scroll_tree, TRUE, FALSE);
 211
 212         /* bind events */
 213         g_signal_connect(G_OBJECT(query_view->query_tree_widget), "button_press_event",
 214                         G_CALLBACK(on_query_tree_widget_button_press_event),
 215                         (gpointer)query_view);
 216
 217         return query_view;
 218 }
 219
 220 /* we don't use 'me' at moment */
 221 void query_view_destroy(GtkWidget *me, void *private)
 222 {
 223         struct query_view *query_view = private;
 224
 225         //gtk_widget_destroy(query_view->query_store);
 226         gtk_widget_destroy(query_view->query_tree_widget);
 227         gtk_widget_destroy(query_view->me);
 228
 229         query_view->query.proto->backend_proto_destory(query_view->query.head);
 230         free(query_view);
 231 }