mdw@git.distorted.org.uk Git - disorder/blob - disobedience/choose-search.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2008 Richard Kettlewell
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20 #include "disobedience.h"
  21 #include "choose.h"
  22
  23 static GtkWidget *choose_search_entry;
  24 static GtkWidget *choose_next;
  25 static GtkWidget *choose_prev;
  26 static GtkWidget *choose_clear;
  27
  28 /** @brief True if a search command is in flight */
  29 static int choose_searching;
  30
  31 /** @brief True if in-flight search is now known to be obsolete */
  32 static int choose_search_obsolete;
  33
  34 /** @brief Hash of all search result */
  35 static hash *choose_search_hash;
  36
  37 static void choose_search_entry_changed(GtkEditable *editable,
  38                                         gpointer user_data);
  39
  40 int choose_is_search_result(const char *track) {
  41   return choose_search_hash && hash_find(choose_search_hash, track);
  42 }
  43
  44 /** @brief Called when the cancel search button is clicked */
  45 static void choose_clear_clicked(GtkButton attribute((unused)) *button,
  46                                  gpointer attribute((unused)) userdata) {
  47   gtk_entry_set_text(GTK_ENTRY(choose_search_entry), "");
  48   /* The changed signal will do the rest of the work for us */
  49 }
  50
  51 /** @brief Called with search results */
  52 static void choose_search_completed(void attribute((unused)) *v,
  53                                     const char *error,
  54                                     int nvec, char **vec) {
  55   if(error) {
  56     popup_protocol_error(0, error);
  57     return;
  58   }
  59   choose_searching = 0;
  60   /* If the search was obsoleted initiate another one */
  61   if(choose_search_obsolete) {
  62     choose_search_entry_changed(0, 0);
  63     return;
  64   }
  65   //fprintf(stderr, "%d search results\n", nvec);
  66   choose_search_hash = hash_new(1);
  67   for(int n = 0; n < nvec; ++n)
  68     hash_add(choose_search_hash, vec[n], "", HASH_INSERT);
  69   /* TODO arrange visibility of all search results */
  70   event_raise("search-results-changed", 0);
  71 }
  72
  73 /** @brief Called when the search entry changes */
  74 static void choose_search_entry_changed
  75     (GtkEditable attribute((unused)) *editable,
  76      gpointer attribute((unused)) user_data) {
  77   /* If a search is in flight don't initiate a new one until it comes back */
  78   if(choose_searching) {
  79     choose_search_obsolete = 1;
  80     return;
  81   }
  82   char *terms = xstrdup(gtk_entry_get_text(GTK_ENTRY(choose_search_entry)));
  83   /* Strip leading and trailing space */
  84   while(*terms == ' ') ++terms;
  85   char *e = terms + strlen(terms);
  86   while(e > terms && e[-1] == ' ') --e;
  87   *e = 0;
  88   if(!*terms) {
  89     /* Nothing to search for.  Fake a completion call. */
  90     choose_search_completed(0, 0, 0, 0);
  91     return;
  92   }
  93   if(disorder_eclient_search(client, choose_search_completed, terms, 0)) {
  94     /* Bad search terms.  Fake a completion call. */
  95     choose_search_completed(0, 0, 0, 0);
  96     return;
  97   }
  98   choose_searching = 1;
  99 }
 100
 101 static void choose_next_clicked(GtkButton attribute((unused)) *button,
 102                                 gpointer attribute((unused)) userdata) {
 103   fprintf(stderr, "next\n");            /* TODO */
 104 }
 105
 106 static void choose_prev_clicked(GtkButton attribute((unused)) *button,
 107                                 gpointer attribute((unused)) userdata) {
 108   fprintf(stderr, "prev\n");            /* TODO */
 109 }
 110
 111 /** @brief Create the search widget */
 112 GtkWidget *choose_search_widget(void) {
 113
 114   /* Text entry box for search terms */
 115   choose_search_entry = gtk_entry_new();
 116   gtk_widget_set_style(choose_search_entry, tool_style);
 117   g_signal_connect(choose_search_entry, "changed",
 118                    G_CALLBACK(choose_search_entry_changed), 0);
 119   gtk_tooltips_set_tip(tips, choose_search_entry,
 120                        "Enter search terms here; search is automatic", "");
 121
 122   /* Cancel button to clear the search */
 123   choose_clear = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
 124   gtk_widget_set_style(choose_clear, tool_style);
 125   g_signal_connect(G_OBJECT(choose_clear), "clicked",
 126                    G_CALLBACK(choose_clear_clicked), 0);
 127   gtk_tooltips_set_tip(tips, choose_clear, "Clear search terms", "");
 128
 129   /* Up and down buttons to find previous/next results; initially they are not
 130    * usable as there are no search results. */
 131   choose_prev = iconbutton("up.png", "Previous search result");
 132   g_signal_connect(G_OBJECT(choose_prev), "clicked",
 133                    G_CALLBACK(choose_prev_clicked), 0);
 134   gtk_widget_set_style(choose_prev, tool_style);
 135   gtk_widget_set_sensitive(choose_prev, 0);
 136   choose_next = iconbutton("down.png", "Next search result");
 137   g_signal_connect(G_OBJECT(choose_next), "clicked",
 138                    G_CALLBACK(choose_next_clicked), 0);
 139   gtk_widget_set_style(choose_next, tool_style);
 140   gtk_widget_set_sensitive(choose_next, 0);
 141
 142   /* Pack the search tools button together on a line */
 143   GtkWidget *hbox = gtk_hbox_new(FALSE/*homogeneous*/, 1/*spacing*/);
 144   gtk_box_pack_start(GTK_BOX(hbox), choose_search_entry,
 145                      TRUE/*expand*/, TRUE/*fill*/, 0/*padding*/);
 146   gtk_box_pack_start(GTK_BOX(hbox), choose_prev,
 147                      FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
 148   gtk_box_pack_start(GTK_BOX(hbox), choose_next,
 149                      FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
 150   gtk_box_pack_start(GTK_BOX(hbox), choose_clear,
 151                      FALSE/*expand*/, FALSE/*fill*/, 0/*padding*/);
 152
 153   return hbox;
 154 }
 155
 156 /*
 157 Local Variables:
 158 c-basic-offset:2
 159 comment-column:40
 160 fill-column:79
 161 indent-tabs-mode:nil
 162 End:
 163 */