#include "pan-view-filter.h"
#include "image.h"
+#include "metadata.h"
#include "pan-item.h"
#include "pan-util.h"
#include "pan-view.h"
+#include "ui_fileops.h"
#include "ui_tabcomp.h"
#include "ui_misc.h"
GtkWidget *combo;
GtkWidget *hbox;
+ /* Since we're using the GHashTable as a HashSet (in which key and value pointers
+ * are always identical), specifying key _and_ value destructor callbacks will
+ * cause a double-free.
+ */
+ {
+ GtkTreeIter iter;
+ ui->filter_mode_model = gtk_list_store_new(3, G_TYPE_INT, G_TYPE_STRING, G_TYPE_STRING);
+ gtk_list_store_append(ui->filter_mode_model, &iter);
+ gtk_list_store_set(ui->filter_mode_model, &iter,
+ 0, PAN_VIEW_FILTER_REQUIRE, 1, _("Require"), 2, _("R"), -1);
+ gtk_list_store_append(ui->filter_mode_model, &iter);
+ gtk_list_store_set(ui->filter_mode_model, &iter,
+ 0, PAN_VIEW_FILTER_EXCLUDE, 1, _("Exclude"), 2, _("E"), -1);
+ gtk_list_store_append(ui->filter_mode_model, &iter);
+ gtk_list_store_set(ui->filter_mode_model, &iter,
+ 0, PAN_VIEW_FILTER_INCLUDE, 1, _("Include"), 2, _("I"), -1);
+ gtk_list_store_append(ui->filter_mode_model, &iter);
+ gtk_list_store_set(ui->filter_mode_model, &iter,
+ 0, PAN_VIEW_FILTER_GROUP, 1, _("Group"), 2, _("G"), -1);
+
+ ui->filter_mode_combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(ui->filter_mode_model));
+ gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(ui->filter_mode_combo), FALSE);
+ gtk_combo_box_set_active(GTK_COMBO_BOX(ui->filter_mode_combo), 0);
+
+ GtkCellRenderer *render = gtk_cell_renderer_text_new();
+ gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(ui->filter_mode_combo), render, TRUE);
+ gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(ui->filter_mode_combo), render, "text", 1, NULL);
+ }
+
// Build the actual filter UI.
ui->filter_box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
pref_spacer(ui->filter_box, 0);
pref_label_new(ui->filter_box, _("Keyword Filter:"));
+ gtk_box_pack_start(GTK_BOX(ui->filter_box), ui->filter_mode_combo, TRUE, TRUE, 0);
+ gtk_widget_show(ui->filter_mode_combo);
+
hbox = gtk_hbox_new(TRUE, PREF_PAD_SPACE);
gtk_box_pack_start(GTK_BOX(ui->filter_box), hbox, TRUE, TRUE, 0);
gtk_widget_show(hbox);
g_signal_connect(G_OBJECT(ui->filter_button), "clicked",
G_CALLBACK(pan_filter_toggle_cb), pw);
- /* Since we're using the GHashTable as a HashSet (in which key and value pointers
- * are always identical), specifying key _and_ value destructor callbacks will
- * cause a double-free.
- */
- ui->filter_kw_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
-
return ui;
}
if (ui_ptr == NULL || *ui_ptr == NULL) return;
// Note that g_clear_pointer handles already-NULL pointers.
- g_clear_pointer(&(*ui_ptr)->filter_kw_table, g_hash_table_destroy);
+ //g_clear_pointer(&(*ui_ptr)->filter_kw_table, g_hash_table_destroy);
g_free(*ui_ptr);
*ui_ptr = NULL;
static void pan_filter_kw_button_cb(GtkButton *widget, gpointer data)
{
- PanWindow *pw = data;
+ PanFilterCallbackState *cb_state = data;
+ PanWindow *pw = cb_state->pw;
PanViewFilterUi *ui = pw->filter_ui;
- g_hash_table_remove(ui->filter_kw_table, gtk_button_get_label(GTK_BUTTON(widget)));
+ // TODO(xsdg): Fix filter element pointed object memory leak.
+ ui->filter_elements = g_list_delete_link(ui->filter_elements, cb_state->filter_element);
gtk_widget_destroy(GTK_WIDGET(widget));
+ g_free(cb_state);
pan_filter_status(pw, _("Removed keyword…"));
pan_layout_update(pw);
GtkWidget *kw_button;
PanWindow *pw = data;
PanViewFilterUi *ui = pw->filter_ui;
+ GtkTreeIter iter;
if (!text) return;
+ // Get all relevant state and reset UI.
+ gtk_combo_box_get_active_iter(GTK_COMBO_BOX(ui->filter_mode_combo), &iter);
gtk_entry_set_text(GTK_ENTRY(ui->filter_entry), "");
+ tab_completion_append_to_history(ui->filter_entry, text);
- if (g_hash_table_contains(ui->filter_kw_table, text))
+ // Add new filter element.
+ PanViewFilterElement *element = g_new0(PanViewFilterElement, 1);
+ gtk_tree_model_get(GTK_TREE_MODEL(ui->filter_mode_model), &iter, 0, &element->mode, -1);
+ element->keyword = g_strdup(text);
+ if (g_strcmp0(text, g_regex_escape_string(text, -1)))
{
- pan_filter_status(pw, _("Already added…"));
- return;
+ // It's an actual regex, so compile
+ element->kw_regex = g_regex_new(text, G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, G_REGEX_MATCH_ANCHORED, NULL);
}
+ ui->filter_elements = g_list_append(ui->filter_elements, element);
- tab_completion_append_to_history(ui->filter_entry, text);
+ // Get the short version of the mode value.
+ gchar *short_mode;
+ gtk_tree_model_get(GTK_TREE_MODEL(ui->filter_mode_model), &iter, 2, &short_mode, -1);
- g_hash_table_add(ui->filter_kw_table, g_strdup(text));
+ // Create the button.
+ // TODO(xsdg): Use MVC so that the button list is an actual representation of the GList
+ gchar *label = g_strdup_printf("(%s) %s", short_mode, text);
+ kw_button = gtk_button_new_with_label(label);
+ g_clear_pointer(&label, g_free);
- kw_button = gtk_button_new_with_label(text);
gtk_box_pack_start(GTK_BOX(ui->filter_kw_hbox), kw_button, FALSE, FALSE, 0);
gtk_widget_show(kw_button);
+ PanFilterCallbackState *cb_state = g_new0(PanFilterCallbackState, 1);
+ cb_state->pw = pw;
+ cb_state->filter_element = g_list_last(ui->filter_elements);
+
g_signal_connect(G_OBJECT(kw_button), "clicked",
- G_CALLBACK(pan_filter_kw_button_cb), pw);
+ G_CALLBACK(pan_filter_kw_button_cb), cb_state);
- pan_filter_status(pw, _("Added keyword…"));
pan_layout_update(pw);
}
}
}
}
+
+static gboolean pan_view_list_contains_kw_pattern(GList *haystack, PanViewFilterElement *filter, gchar **found_kw)
+{
+ if (filter->kw_regex)
+ {
+ // regex compile succeeded; attempt regex match.
+ GList *work = g_list_first(haystack);
+ while (work)
+ {
+ gchar *keyword = work->data;
+ work = work->next;
+ if (g_regex_match(filter->kw_regex, keyword, 0x0, NULL))
+ {
+ if (found_kw) *found_kw = keyword;
+ return TRUE;
+ }
+ }
+ return FALSE;
+ }
+ else
+ {
+ // regex compile failed; fall back to exact string match.
+ GList *found_elem = g_list_find_custom(haystack, filter->keyword, (GCompareFunc)g_strcmp0);
+ if (found_elem && found_kw) *found_kw = found_elem->data;
+ return !!found_elem;
+ }
+}
+
+gboolean pan_filter_fd_list(GList **fd_list, GList *filter_elements)
+{
+ GList *work;
+ gboolean modified = FALSE;
+ GHashTable *seen_kw_table = NULL;
+
+ if (!fd_list || !*fd_list || !filter_elements) return modified;
+
+ // seen_kw_table is only valid in this scope, so don't take ownership of any strings.
+ seen_kw_table = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, NULL);
+
+ work = *fd_list;
+ while (work)
+ {
+ FileData *fd = work->data;
+ GList *last_work = work;
+ work = work->next;
+
+ // TODO(xsdg): OPTIMIZATION Do the search inside of metadata.c to avoid a
+ // bunch of string list copies.
+ GList *img_keywords = metadata_read_list(fd, KEYWORD_KEY, METADATA_PLAIN);
+
+ // TODO(xsdg): OPTIMIZATION Determine a heuristic for when to linear-search the
+ // keywords list, and when to build a hash table for the image's keywords.
+ gboolean should_reject = FALSE;
+ gchar *group_kw = NULL;
+ GList *filter_element = filter_elements;
+ while (filter_element)
+ {
+ PanViewFilterElement *filter = filter_element->data;
+ filter_element = filter_element->next;
+ gchar *found_kw = NULL;
+ gboolean has_kw = pan_view_list_contains_kw_pattern(img_keywords, filter, &found_kw);
+
+ switch (filter->mode)
+ {
+ case PAN_VIEW_FILTER_REQUIRE:
+ should_reject |= !has_kw;
+ break;
+ case PAN_VIEW_FILTER_EXCLUDE:
+ should_reject |= has_kw;
+ break;
+ case PAN_VIEW_FILTER_INCLUDE:
+ if (has_kw) should_reject = FALSE;
+ break;
+ case PAN_VIEW_FILTER_GROUP:
+ if (has_kw)
+ {
+ if (g_hash_table_contains(seen_kw_table, found_kw))
+ {
+ should_reject = TRUE;
+ }
+ else if (group_kw == NULL)
+ {
+ group_kw = found_kw;
+ }
+ }
+ break;
+ }
+ }
+
+ if (!should_reject && group_kw != NULL) g_hash_table_add(seen_kw_table, group_kw);
+
+ group_kw = NULL; // group_kw references an item from img_keywords.
+ string_list_free(img_keywords);
+
+ if (should_reject)
+ {
+ *fd_list = g_list_delete_link(*fd_list, last_work);
+ modified = TRUE;
+ }
+ }
+
+ g_hash_table_destroy(seen_kw_table);
+ return modified;
+}