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