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 "search-and-run.h"
  22
  23 #include <cstddef>
  24
  25 #include <gdk/gdk.h>
  26 #include <glib-object.h>
  27 #include <glib.h>
  28 #include <pango/pango.h>
  29
  30 #include "compat.h"
  31 #include "debug.h"
  32 #include "layout.h"
  33 #include "main-defines.h"
  34
  35 enum {
  36         SAR_LABEL,
  37         SAR_ACTION,
  38         SAR_COUNT
  39 };
  40
  41 struct SarData
  42 {
  43         GtkWidget *window;
  44         GtkListStore *command_store;
  45         GtkAction *action;
  46         LayoutWindow *lw;
  47         gboolean match_found;
  48         GtkBuilder *builder;
  49 };
  50
  51 static gint sort_iter_compare_func (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer)
  52 {
  53         gint ret = 0;
  54         gchar *label1;
  55         gchar *label2;
  56
  57         gtk_tree_model_get(model, a, SAR_LABEL, &label1, -1);
  58         gtk_tree_model_get(model, b, SAR_LABEL, &label2, -1);
  59
  60         if (label1 == nullptr || label2 == nullptr)
  61                 {
  62                 if (label1 == nullptr && label2 == nullptr)
  63                         {
  64                         ret = 0;
  65                         }
  66                 else
  67                         {
  68                         ret = (label1 == nullptr) ? -1 : 1;
  69                         }
  70                 }
  71         else
  72                 {
  73                 ret = g_utf8_collate(label1, label2);
  74                 }
  75
  76         g_free(label1);
  77         g_free(label2);
  78
  79         return ret;
  80 }
  81
  82 static void command_store_populate(SarData* sar)
  83 {
  84         GList *groups;
  85         GList *actions;
  86         GtkAction *action;
  87         const gchar *accel_path;
  88         GtkAccelKey key;
  89         GtkTreeIter iter;
  90         GtkTreeSortable *sortable;
  91         gchar *label;
  92         gchar *tooltip;
  93         gchar *label2;
  94         gchar *tooltip2;
  95         GString *new_command;
  96         gchar *existing_command;
  97         gboolean iter_found;
  98         gboolean duplicate_command;
  99         gchar *accel;
 100
 101         sar->command_store = GTK_LIST_STORE(gtk_builder_get_object(sar->builder, "command_store"));
 102         sortable = GTK_TREE_SORTABLE(sar->command_store);
 103         gtk_tree_sortable_set_sort_func(sortable, SAR_LABEL, sort_iter_compare_func, nullptr, nullptr);
 104
 105         gtk_tree_sortable_set_sort_column_id(sortable, SAR_LABEL, GTK_SORT_ASCENDING);
 106
 107         groups = gtk_ui_manager_get_action_groups(sar->lw->ui_manager);
 108         while (groups)
 109                 {
 110                 actions = gtk_action_group_list_actions(GTK_ACTION_GROUP(groups->data));
 111                 while (actions)
 112                         {
 113                         action = GTK_ACTION(actions->data);
 114                         accel_path = gtk_action_get_accel_path(action);
 115                         if (accel_path && gtk_accel_map_lookup_entry(accel_path, &key))
 116                                 {
 117                                 g_object_get(action, "tooltip", &tooltip, "label", &label, NULL);
 118                                 accel = gtk_accelerator_get_label(key.accel_key, key.accel_mods);
 119
 120                                 /* menu items with no tooltip are placeholders */
 121                                 if (g_strrstr(accel_path, ".desktop") != nullptr || tooltip != nullptr)
 122                                         {
 123                                         if (pango_parse_markup(label, -1, '_', nullptr, &label2, nullptr, nullptr) && label2)
 124                                                 {
 125                                                 g_free(label);
 126                                                 label = label2;
 127                                                 }
 128                                         if (tooltip)
 129                                                 {
 130                                                 if (pango_parse_markup(tooltip, -1, '_', nullptr, &tooltip2, nullptr, nullptr) && label2)
 131                                                         {
 132                                                         g_free(tooltip);
 133                                                         tooltip = tooltip2;
 134                                                         }
 135                                                 }
 136
 137                                         new_command = g_string_new(nullptr);
 138                                         if (g_strcmp0(label, tooltip) == 0)
 139                                                 {
 140                                                 g_string_append_printf(new_command, "%s : %s",label, accel);
 141                                                 }
 142                                         else
 143                                                 {
 144                                                 g_string_append_printf(new_command, "%s - %s : %s",label, tooltip, accel);
 145                                                 }
 146
 147                                         iter_found = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(sar->command_store), &iter);
 148                                         duplicate_command = FALSE;
 149
 150                                         while (iter_found)
 151                                                 {
 152                                                 gtk_tree_model_get(GTK_TREE_MODEL(sar->command_store), &iter, SAR_LABEL, &existing_command, -1);
 153                                                 if (g_strcmp0(new_command->str, existing_command) == 0)
 154                                                         {
 155                                                         g_free(existing_command);
 156                                                         duplicate_command = TRUE;
 157                                                         break;
 158                                                         }
 159                                                 g_free(existing_command);
 160                                                 iter_found = gtk_tree_model_iter_next(GTK_TREE_MODEL(sar->command_store), &iter);
 161                                                 }
 162
 163                                         if (!duplicate_command )
 164                                                 {
 165                                                 gtk_list_store_append(sar->command_store, &iter);
 166                                                 gtk_list_store_set(sar->command_store, &iter,
 167                                                                 SAR_LABEL, new_command->str,
 168                                                                 SAR_ACTION, action,
 169                                                                 -1);
 170                                                 }
 171                                         g_free(label);
 172                                         g_free(tooltip);
 173                                         g_free(accel);
 174                                         g_string_free(new_command, TRUE);
 175                                         }
 176                                 }
 177                         actions = actions->next;
 178                         }
 179                 groups = groups->next;
 180                 }
 181 }
 182
 183 static gboolean search_and_run_destroy(gpointer data)
 184 {
 185         auto sar = static_cast<SarData *>(data);
 186
 187         sar->lw->sar_window = nullptr;
 188         g_object_unref(gtk_builder_get_object(sar->builder, "completion"));
 189         g_object_unref(gtk_builder_get_object(sar->builder, "command_store"));
 190         gq_gtk_widget_destroy(sar->window);
 191         g_free(sar);
 192
 193         return G_SOURCE_REMOVE;
 194 }
 195
 196 static gboolean entry_box_activate_cb(GtkWidget *, gpointer data)
 197 {
 198         auto sar = static_cast<SarData *>(data);
 199
 200         if (sar->action)
 201                 {
 202                 gtk_action_activate(sar->action);
 203                 }
 204
 205         search_and_run_destroy(sar);
 206
 207         return TRUE;
 208 }
 209
 210 static gboolean keypress_cb(GtkWidget *, GdkEventKey *event, gpointer data)
 211 {
 212         auto sar = static_cast<SarData *>(data);
 213         gboolean ret = FALSE;
 214
 215         switch (event->keyval)
 216                 {
 217                 case GDK_KEY_Escape:
 218                         search_and_run_destroy(sar);
 219                         ret = TRUE;
 220                         break;
 221                 case GDK_KEY_Return:
 222                         break;
 223                 default:
 224                         sar->match_found = FALSE;
 225                         sar->action = nullptr;
 226                 }
 227
 228         return ret;
 229 }
 230
 231 static gboolean match_selected_cb(GtkEntryCompletion *, GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
 232 {
 233         auto sar = static_cast<SarData *>(data);
 234
 235         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_ACTION, &sar->action, -1);
 236
 237         if (sar->action)
 238                 {
 239                 gtk_action_activate(sar->action);
 240                 }
 241
 242         g_idle_add(static_cast<GSourceFunc>(search_and_run_destroy), sar);
 243
 244         return TRUE;
 245 }
 246
 247 static gboolean match_func(GtkEntryCompletion *completion, const gchar *key, GtkTreeIter *iter, gpointer data)
 248 {
 249         auto sar = static_cast<SarData *>(data);
 250         gboolean ret = FALSE;
 251         gchar *normalized;
 252         GtkTreeModel *model;
 253         GtkAction *action;
 254         gchar *label;
 255         GString *reg_exp_str;
 256         GRegex *reg_exp;
 257         GError *error = nullptr;
 258
 259         model = gtk_entry_completion_get_model(completion);
 260         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_LABEL, &label, -1);
 261         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_ACTION, &action, -1);
 262
 263         normalized = g_utf8_normalize(label, -1, G_NORMALIZE_DEFAULT);
 264
 265         reg_exp_str = g_string_new("\\b(\?=.*:)");
 266         reg_exp_str = g_string_append(reg_exp_str, key);
 267
 268         reg_exp = g_regex_new(reg_exp_str->str, G_REGEX_CASELESS, static_cast<GRegexMatchFlags>(0), &error);
 269         if (error)
 270                 {
 271                 log_printf("Error: could not compile regular expression %s\n%s\n", reg_exp_str->str, error->message);
 272                 g_error_free(error);
 273                 error = nullptr;
 274                 reg_exp = g_regex_new("", static_cast<GRegexCompileFlags>(0), static_cast<GRegexMatchFlags>(0), nullptr);
 275                 }
 276
 277         ret = g_regex_match(reg_exp, normalized, static_cast<GRegexMatchFlags>(0), nullptr);
 278
 279         if (sar->match_found == FALSE && ret == TRUE)
 280                 {
 281                 sar->action = action;
 282                 sar->match_found = TRUE;
 283                 }
 284
 285         g_regex_unref(reg_exp);
 286         g_string_free(reg_exp_str, TRUE);
 287         g_free(normalized);
 288
 289         return ret;
 290 }
 291
 292 GtkWidget *search_and_run_new(LayoutWindow *lw)
 293 {
 294         SarData *sar;
 295
 296         sar = g_new0(SarData, 1);
 297         sar->lw = lw;
 298
 299         sar->builder = gtk_builder_new_from_resource(GQ_RESOURCE_PATH_UI "/search-and-run.ui");
 300         command_store_populate(sar);
 301
 302         sar->window = GTK_WIDGET(gtk_builder_get_object(sar->builder, "search_and_run"));
 303         DEBUG_NAME(sar->window);
 304
 305         gtk_entry_completion_set_match_func(GTK_ENTRY_COMPLETION(gtk_builder_get_object(sar->builder, "completion")), match_func, sar, nullptr);
 306
 307         g_signal_connect(G_OBJECT(gtk_builder_get_object(sar->builder, "completion")), "match-selected", G_CALLBACK(match_selected_cb), sar);
 308         g_signal_connect(G_OBJECT(gtk_builder_get_object(sar->builder, "entry")), "key_press_event", G_CALLBACK(keypress_cb), sar);
 309         g_signal_connect(G_OBJECT(gtk_builder_get_object(sar->builder, "entry")), "activate", G_CALLBACK(entry_box_activate_cb), sar);
 310
 311         gtk_widget_show(sar->window);
 312
 313         return sar->window;
 314 }
 315
 316 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */