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