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