src/search-and-run.cc

   1 /*
   2  * Copyright (C) 2019 The Geeqie Team
   3  *
   4  * Author: Colin Clark
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "main.h"
  22 #include "search-and-run.h"
  23
  24 #include "layout.h"
  25 #include "ui-misc.h"
  26 #include "window.h"
  27
  28 enum {
  29         SAR_LABEL,
  30         SAR_ACTION,
  31         SAR_COUNT
  32 };
  33
  34 struct SarData
  35 {
  36         GtkWidget *window;
  37         GtkListStore *command_store;
  38         GtkAction *action;
  39         LayoutWindow *lw;
  40         gboolean match_found;
  41         GtkBuilder *builder;
  42 };
  43
  44 static gint sort_iter_compare_func (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer)
  45 {
  46         gint ret = 0;
  47         gchar *label1;
  48         gchar *label2;
  49
  50         gtk_tree_model_get(model, a, SAR_LABEL, &label1, -1);
  51         gtk_tree_model_get(model, b, SAR_LABEL, &label2, -1);
  52
  53         if (label1 == nullptr || label2 == nullptr)
  54                 {
  55                 if (label1 == nullptr && label2 == nullptr)
  56                         {
  57                         ret = 0;
  58                         }
  59                 else
  60                         {
  61                         ret = (label1 == nullptr) ? -1 : 1;
  62                         }
  63                 }
  64         else
  65                 {
  66                 ret = g_utf8_collate(label1, label2);
  67                 }
  68
  69         g_free(label1);
  70         g_free(label2);
  71
  72         return ret;
  73 }
  74
  75 static void command_store_populate(SarData* sar)
  76 {
  77         GList *groups;
  78         GList *actions;
  79         GtkAction *action;
  80         const gchar *accel_path;
  81         GtkAccelKey key;
  82         GtkTreeIter iter;
  83         GtkTreeSortable *sortable;
  84         gchar *label;
  85         gchar *tooltip;
  86         gchar *label2;
  87         gchar *tooltip2;
  88         GString *new_command;
  89         gchar *existing_command;
  90         gboolean iter_found;
  91         gboolean duplicate_command;
  92         gchar *accel;
  93
  94         sar->command_store = GTK_LIST_STORE(gtk_builder_get_object(sar->builder, "command_store"));
  95         sortable = GTK_TREE_SORTABLE(sar->command_store);
  96         gtk_tree_sortable_set_sort_func(sortable, SAR_LABEL, sort_iter_compare_func, nullptr, nullptr);
  97
  98         gtk_tree_sortable_set_sort_column_id(sortable, SAR_LABEL, GTK_SORT_ASCENDING);
  99
 100         groups = gtk_ui_manager_get_action_groups(sar->lw->ui_manager);
 101         while (groups)
 102                 {
 103                 actions = gtk_action_group_list_actions(GTK_ACTION_GROUP(groups->data));
 104                 while (actions)
 105                         {
 106                         action = GTK_ACTION(actions->data);
 107                         accel_path = gtk_action_get_accel_path(action);
 108                         if (accel_path && gtk_accel_map_lookup_entry(accel_path, &key))
 109                                 {
 110                                 g_object_get(action, "tooltip", &tooltip, "label", &label, NULL);
 111                                 accel = gtk_accelerator_get_label(key.accel_key, key.accel_mods);
 112
 113                                 /* menu items with no tooltip are placeholders */
 114                                 if (g_strrstr(accel_path, ".desktop") != nullptr || tooltip != nullptr)
 115                                         {
 116                                         if (pango_parse_markup(label, -1, '_', nullptr, &label2, nullptr, nullptr) && label2)
 117                                                 {
 118                                                 g_free(label);
 119                                                 label = label2;
 120                                                 }
 121                                         if (tooltip)
 122                                                 {
 123                                                 if (pango_parse_markup(tooltip, -1, '_', nullptr, &tooltip2, nullptr, nullptr) && label2)
 124                                                         {
 125                                                         g_free(tooltip);
 126                                                         tooltip = tooltip2;
 127                                                         }
 128                                                 }
 129
 130                                         new_command = g_string_new(nullptr);
 131                                         if (g_strcmp0(label, tooltip) == 0)
 132                                                 {
 133                                                 g_string_append_printf(new_command, "%s : %s",label, accel);
 134                                                 }
 135                                         else
 136                                                 {
 137                                                 g_string_append_printf(new_command, "%s - %s : %s",label, tooltip, accel);
 138                                                 }
 139
 140                                         iter_found = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(sar->command_store), &iter);
 141                                         duplicate_command = FALSE;
 142
 143                                         while (iter_found)
 144                                                 {
 145                                                 gtk_tree_model_get(GTK_TREE_MODEL(sar->command_store), &iter, SAR_LABEL, &existing_command, -1);
 146                                                 if (g_strcmp0(new_command->str, existing_command) == 0)
 147                                                         {
 148                                                         g_free(existing_command);
 149                                                         duplicate_command = TRUE;
 150                                                         break;
 151                                                         }
 152                                                 g_free(existing_command);
 153                                                 iter_found = gtk_tree_model_iter_next(GTK_TREE_MODEL(sar->command_store), &iter);
 154                                                 }
 155
 156                                         if (!duplicate_command )
 157                                                 {
 158                                                 gtk_list_store_append(sar->command_store, &iter);
 159                                                 gtk_list_store_set(sar->command_store, &iter,
 160                                                                 SAR_LABEL, new_command->str,
 161                                                                 SAR_ACTION, action,
 162                                                                 -1);
 163                                                 }
 164                                         g_free(label);
 165                                         g_free(tooltip);
 166                                         g_free(accel);
 167                                         g_string_free(new_command, TRUE);
 168                                         }
 169                                 }
 170                         actions = actions->next;
 171                         }
 172                 groups = groups->next;
 173                 }
 174 }
 175
 176 static gboolean search_and_run_destroy(gpointer data)
 177 {
 178         auto sar = static_cast<SarData *>(data);
 179
 180         sar->lw->sar_window = nullptr;
 181         g_object_unref(gtk_builder_get_object(sar->builder, "completion"));
 182         g_object_unref(gtk_builder_get_object(sar->builder, "command_store"));
 183         gq_gtk_widget_destroy(sar->window);
 184         g_free(sar);
 185
 186         return G_SOURCE_REMOVE;
 187 }
 188
 189 static gboolean entry_box_activate_cb(GtkWidget *, gpointer data)
 190 {
 191         auto sar = static_cast<SarData *>(data);
 192
 193         if (sar->action)
 194                 {
 195                 gtk_action_activate(sar->action);
 196                 }
 197
 198         search_and_run_destroy(sar);
 199
 200         return TRUE;
 201 }
 202
 203 static gboolean keypress_cb(GtkWidget *, GdkEventKey *event, gpointer data)
 204 {
 205         auto sar = static_cast<SarData *>(data);
 206         gboolean ret = FALSE;
 207
 208         switch (event->keyval)
 209                 {
 210                 case GDK_KEY_Escape:
 211                         search_and_run_destroy(sar);
 212                         ret = TRUE;
 213                         break;
 214                 case GDK_KEY_Return:
 215                         break;
 216                 default:
 217                         sar->match_found = FALSE;
 218                         sar->action = nullptr;
 219                 }
 220
 221         return ret;
 222 }
 223
 224 static gboolean match_selected_cb(GtkEntryCompletion *, GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
 225 {
 226         auto sar = static_cast<SarData *>(data);
 227
 228         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_ACTION, &sar->action, -1);
 229
 230         if (sar->action)
 231                 {
 232                 gtk_action_activate(sar->action);
 233                 }
 234
 235         g_idle_add(static_cast<GSourceFunc>(search_and_run_destroy), sar);
 236
 237         return TRUE;
 238 }
 239
 240 static gboolean match_func(GtkEntryCompletion *completion, const gchar *key, GtkTreeIter *iter, gpointer data)
 241 {
 242         auto sar = static_cast<SarData *>(data);
 243         gboolean ret = FALSE;
 244         gchar *normalized;
 245         GtkTreeModel *model;
 246         GtkAction *action;
 247         gchar *label;
 248         GString *reg_exp_str;
 249         GRegex *reg_exp;
 250         GError *error = nullptr;
 251
 252         model = gtk_entry_completion_get_model(completion);
 253         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_LABEL, &label, -1);
 254         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_ACTION, &action, -1);
 255
 256         normalized = g_utf8_normalize(label, -1, G_NORMALIZE_DEFAULT);
 257
 258         reg_exp_str = g_string_new("\\b(\?=.*:)");
 259         reg_exp_str = g_string_append(reg_exp_str, key);
 260
 261         reg_exp = g_regex_new(reg_exp_str->str, G_REGEX_CASELESS, static_cast<GRegexMatchFlags>(0), &error);
 262         if (error)
 263                 {
 264                 log_printf("Error: could not compile regular expression %s\n%s\n", reg_exp_str->str, error->message);
 265                 g_error_free(error);
 266                 error = nullptr;
 267                 reg_exp = g_regex_new("", static_cast<GRegexCompileFlags>(0), static_cast<GRegexMatchFlags>(0), nullptr);
 268                 }
 269
 270         ret = g_regex_match(reg_exp, normalized, static_cast<GRegexMatchFlags>(0), nullptr);
 271
 272         if (sar->match_found == FALSE && ret == TRUE)
 273                 {
 274                 sar->action = action;
 275                 sar->match_found = TRUE;
 276                 }
 277
 278         g_regex_unref(reg_exp);
 279         g_string_free(reg_exp_str, TRUE);
 280         g_free(normalized);
 281
 282         return ret;
 283 }
 284
 285 GtkWidget *search_and_run_new(LayoutWindow *lw)
 286 {
 287         SarData *sar;
 288
 289         sar = g_new0(SarData, 1);
 290         sar->lw = lw;
 291
 292         sar->builder = gtk_builder_new_from_resource(GQ_RESOURCE_PATH_UI "/search-and-run.ui");
 293         command_store_populate(sar);
 294
 295         sar->window = GTK_WIDGET(gtk_builder_get_object(sar->builder, "search_and_run"));
 296         DEBUG_NAME(sar->window);
 297
 298         gtk_entry_completion_set_match_func(GTK_ENTRY_COMPLETION(gtk_builder_get_object(sar->builder, "completion")), match_func, sar, nullptr);
 299
 300         g_signal_connect(G_OBJECT(gtk_builder_get_object(sar->builder, "completion")), "match-selected", G_CALLBACK(match_selected_cb), sar);
 301         g_signal_connect(G_OBJECT(gtk_builder_get_object(sar->builder, "entry")), "key_press_event", G_CALLBACK(keypress_cb), sar);
 302         g_signal_connect(G_OBJECT(gtk_builder_get_object(sar->builder, "entry")), "activate", G_CALLBACK(entry_box_activate_cb), sar);
 303
 304         gtk_widget_show(sar->window);
 305
 306         return sar->window;
 307 }
 308
 309 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */