src/search_and_run.c

   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 <gdk/gdkkeysyms.h>
  22
  23 #include "main.h"
  24 #include "search_and_run.h"
  25
  26 #include "layout_util.h"
  27 #include "ui_misc.h"
  28 #include "window.h"
  29
  30 enum {
  31         SAR_LABEL,
  32         SAR_ACTION,
  33         SAR_COUNT
  34 };
  35
  36 typedef struct _SarData SarData;
  37 struct _SarData
  38 {
  39         GtkWidget *window;
  40         GtkWidget *vbox;
  41         GtkWidget *entry_box;
  42         GtkEntryCompletion *completion;
  43         GtkListStore *command_store;
  44         GtkAction *action;
  45         LayoutWindow *lw;
  46         gboolean match_found;
  47 };
  48
  49 static gint sort_iter_compare_func (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
  50 {
  51         gint ret = 0;
  52         gchar *label1, *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 == NULL || label2 == NULL)
  58                 {
  59                 if (label1 == NULL && label2 == NULL)
  60                         {
  61                         ret = 0;
  62                         }
  63                 else
  64                         {
  65                         ret = (label1 == NULL) ? -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, *actions;
  82         GtkAction *action;
  83         const gchar *accel_path;
  84         GtkAccelKey key;
  85         GtkTreeIter iter;
  86         GtkTreeSortable *sortable;
  87         gchar *label, *tooltip;
  88         gchar *label2, *tooltip2;
  89         GString *new_command;
  90         gchar *existing_command;
  91         gboolean iter_found;
  92         gboolean duplicate_command;
  93         gchar *accel;
  94
  95         sar->command_store = gtk_list_store_new(SAR_COUNT, G_TYPE_STRING, G_TYPE_OBJECT);
  96
  97         sortable = GTK_TREE_SORTABLE(sar->command_store);
  98         gtk_tree_sortable_set_sort_func(sortable, SAR_LABEL, sort_iter_compare_func, NULL, NULL);
  99
 100         gtk_tree_sortable_set_sort_column_id(sortable, SAR_LABEL, GTK_SORT_ASCENDING);
 101
 102         groups = gtk_ui_manager_get_action_groups(sar->lw->ui_manager);
 103         while (groups)
 104                 {
 105                 actions = gtk_action_group_list_actions(GTK_ACTION_GROUP(groups->data));
 106                 while (actions)
 107                         {
 108                         action = GTK_ACTION(actions->data);
 109                         accel_path = gtk_action_get_accel_path(action);
 110                         if (accel_path && gtk_accel_map_lookup_entry(accel_path, &key))
 111                                 {
 112                                 g_object_get(action, "tooltip", &tooltip, "label", &label, NULL);
 113                                 accel = gtk_accelerator_get_label(key.accel_key, key.accel_mods);
 114
 115                                 /* menu items with no tooltip are placeholders */
 116                                 if (g_strrstr(accel_path, ".desktop") != NULL || tooltip != NULL)
 117                                         {
 118                                         if (pango_parse_markup(label, -1, '_', NULL, &label2, NULL, NULL) && label2)
 119                                                 {
 120                                                 g_free(label);
 121                                                 label = label2;
 122                                                 }
 123                                         if (tooltip)
 124                                                 {
 125                                                 if (pango_parse_markup(tooltip, -1, '_', NULL, &tooltip2, NULL, NULL) && label2)
 126                                                         {
 127                                                         g_free(tooltip);
 128                                                         tooltip = tooltip2;
 129                                                         }
 130                                                 }
 131
 132                                         new_command = g_string_new(NULL);
 133                                         if (g_strcmp0(label, tooltip) == 0)
 134                                                 {
 135                                                 g_string_append_printf(new_command, "%s : %s",label, accel);
 136                                                 }
 137                                         else
 138                                                 {
 139                                                 g_string_append_printf(new_command, "%s - %s : %s",label, tooltip, accel);
 140                                                 }
 141
 142                                         iter_found = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(sar->command_store), &iter);
 143                                         duplicate_command = FALSE;
 144
 145                                         while (iter_found)
 146                                                 {
 147                                                 gtk_tree_model_get(GTK_TREE_MODEL(sar->command_store), &iter, SAR_LABEL, &existing_command, -1);
 148                                                 if (g_strcmp0(new_command->str, existing_command) == 0)
 149                                                         {
 150                                                         g_free(existing_command);
 151                                                         duplicate_command = TRUE;
 152                                                         break;
 153                                                         }
 154                                                 g_free(existing_command);
 155                                                 iter_found = gtk_tree_model_iter_next(GTK_TREE_MODEL(sar->command_store), &iter);
 156                                                 }
 157
 158                                         if (!duplicate_command )
 159                                                 {
 160                                                 gtk_list_store_append(sar->command_store, &iter);
 161                                                 gtk_list_store_set(sar->command_store, &iter,
 162                                                                 SAR_LABEL, new_command->str,
 163                                                                 SAR_ACTION, action,
 164                                                                 -1);
 165                                                 }
 166                                         g_free(label);
 167                                         g_free(tooltip);
 168                                         g_free(accel);
 169                                         g_string_free(new_command, TRUE);
 170                                         }
 171                                 }
 172                         actions = actions->next;
 173                         }
 174                 groups = groups->next;
 175                 }
 176 }
 177
 178 static void search_and_run_destroy(gpointer data)
 179 {
 180         SarData *sar = data;
 181
 182         sar->lw->sar_window = NULL;
 183         gtk_widget_destroy(sar->window);
 184 }
 185
 186 static gboolean entry_box_activate_cb(GtkWidget *widget, gpointer data)
 187 {
 188         SarData *sar = data;
 189
 190         if (sar->action)
 191                 {
 192                 gtk_action_activate(sar->action);
 193                 }
 194
 195         search_and_run_destroy(sar);
 196
 197         return TRUE;
 198 }
 199
 200 static gboolean keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 201 {
 202         SarData *sar = data;
 203         gboolean ret = FALSE;
 204
 205         switch (event->keyval)
 206                 {
 207                 case GDK_KEY_Escape:
 208                         search_and_run_destroy(sar);
 209                         ret = TRUE;
 210                         break;
 211                 case GDK_KEY_Return:
 212                         break;
 213                 default:
 214                         sar->match_found = FALSE;
 215                         sar->action = NULL;
 216                 }
 217
 218         return ret;
 219 }
 220
 221 static gboolean match_selected_cb(GtkEntryCompletion *widget, GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
 222 {
 223         SarData *sar = data;
 224
 225         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_ACTION, &sar->action, -1);
 226
 227         if (sar->action)
 228                 {
 229                 gtk_action_activate(sar->action);
 230                 }
 231
 232         g_idle_add((GSourceFunc)search_and_run_destroy, sar);
 233
 234         return TRUE;
 235 }
 236
 237 static gboolean match_func(GtkEntryCompletion *completion, const gchar *key, GtkTreeIter *iter, gpointer data)
 238 {
 239         SarData *sar = data;
 240         gboolean ret = FALSE;
 241         gchar *normalized;
 242         GtkTreeModel *model;
 243         GtkAction *action;
 244         gchar *label;
 245         GString *reg_exp_str;
 246         GRegex *reg_exp;
 247         GError *error = NULL;
 248
 249         model = gtk_entry_completion_get_model(completion);
 250         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_LABEL, &label, -1);
 251         gtk_tree_model_get(GTK_TREE_MODEL(model), iter, SAR_ACTION, &action, -1);
 252
 253         normalized = g_utf8_normalize(label, -1, G_NORMALIZE_DEFAULT);
 254
 255         reg_exp_str = g_string_new("\\b\(\?=.*:)");
 256         reg_exp_str = g_string_append(reg_exp_str, key);
 257
 258         reg_exp = g_regex_new(reg_exp_str->str, G_REGEX_CASELESS, 0, &error);
 259         if (error)
 260                 {
 261                 log_printf("Error: could not compile regular expression %s\n%s\n", reg_exp_str->str, error->message);
 262                 g_error_free(error);
 263                 error = NULL;
 264                 reg_exp = g_regex_new("", 0, 0, NULL);
 265                 }
 266
 267         ret = g_regex_match(reg_exp, normalized, 0, NULL);
 268
 269         if (sar->match_found == FALSE && ret == TRUE)
 270                 {
 271                 sar->action = action;
 272                 sar->match_found = TRUE;
 273                 }
 274
 275         g_regex_unref(reg_exp);
 276         g_string_free(reg_exp_str, TRUE);
 277         g_free(normalized);
 278
 279         return ret;
 280 }
 281
 282 GtkWidget *search_and_run_new(LayoutWindow *lw)
 283 {
 284         SarData *sar;
 285         GdkGeometry geometry;
 286
 287         sar = g_new0(SarData, 1);
 288         sar->lw = lw;
 289         sar->window = window_new(GTK_WINDOW_TOPLEVEL, "sar_window", NULL, NULL, _("Search and Run command"));
 290         DEBUG_NAME(sar->window);
 291
 292         geometry.min_width = 500;
 293         geometry.max_width = 1500;
 294         geometry.min_height = 10;
 295         geometry.max_height = 10;
 296         gtk_window_set_geometry_hints(GTK_WINDOW(sar->window), NULL, &geometry, GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
 297
 298         gtk_window_set_resizable(GTK_WINDOW(sar->window), TRUE);
 299
 300         sar->vbox = gtk_vbox_new(FALSE, PREF_PAD_GAP);
 301         gtk_container_add(GTK_CONTAINER(sar->window), sar->vbox);
 302         gtk_widget_show(sar->vbox);
 303
 304         sar->entry_box = gtk_entry_new();
 305         gtk_box_pack_start(GTK_BOX(sar->vbox), sar->entry_box, FALSE, FALSE, 0);
 306         gtk_widget_show(sar->entry_box);
 307         gtk_widget_show(sar->vbox);
 308         gtk_widget_set_tooltip_text(sar->entry_box, "Search for commands and run them");
 309         g_signal_connect(G_OBJECT(sar->entry_box), "key_press_event", G_CALLBACK(keypress_cb), sar);
 310         g_signal_connect(G_OBJECT(sar->entry_box), "activate", G_CALLBACK(entry_box_activate_cb), sar);
 311
 312         command_store_populate(sar);
 313
 314         sar->completion = gtk_entry_completion_new();
 315         gtk_entry_set_completion(GTK_ENTRY(sar->entry_box), sar->completion);
 316         gtk_entry_completion_set_inline_completion(sar->completion, FALSE);
 317         gtk_entry_completion_set_inline_selection(sar->completion, FALSE);
 318         gtk_entry_completion_set_minimum_key_length(sar->completion, 1);
 319         gtk_entry_completion_set_match_func(sar->completion, match_func, sar, NULL);
 320         g_signal_connect(G_OBJECT(sar->completion), "match-selected", G_CALLBACK(match_selected_cb), sar);
 321         gtk_entry_completion_set_model(sar->completion, GTK_TREE_MODEL(sar->command_store));
 322         gtk_entry_completion_set_text_column(sar->completion, SAR_LABEL);
 323
 324         gtk_widget_show(sar->window);
 325         return sar->window;
 326 }
 327 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */