312 lines
9.1 KiB
C
312 lines
9.1 KiB
C
/*
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* StarDict GTK+ UI
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*
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* Copyright (c) 2020 - 2021, Přemysl Eric Janouch <p@janouch.name>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include <gtk/gtk.h>
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#include <glib/gi18n.h>
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#include <locale.h>
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#include "config.h"
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#include "stardict.h"
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#include "utils.h"
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#include "stardict-view.h"
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typedef struct dictionary Dictionary;
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struct dictionary
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{
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const gchar *filename; ///< Filename
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StardictDict *dict; ///< Stardict dictionary data
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gchar *name; ///< Name to show
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guint position; ///< Current position
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};
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static struct
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{
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GtkWidget *window; ///< Top-level window
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GtkWidget *notebook; ///< Notebook with tabs
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GtkWidget *entry; ///< Search entry widget
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GtkWidget *view; ///< Entries view
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gint dictionary; ///< Index of the current dictionary
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Dictionary *dictionaries; ///< All open dictionaries
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gsize dictionaries_len; ///< Total number of dictionaries
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gboolean watch_selection; ///< Following X11 PRIMARY?
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}
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g;
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static gboolean
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dictionary_load (Dictionary *self, gchar *filename, GError **e)
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{
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self->filename = filename;
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if (!(self->dict = stardict_dict_new (self->filename, e)))
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return FALSE;
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if (!self->name)
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{
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self->name = g_strdup (stardict_info_get_book_name
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(stardict_dict_get_info (self->dict)));
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}
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return TRUE;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static gboolean
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init (gchar **filenames, GError **e)
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{
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while (filenames[g.dictionaries_len])
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g.dictionaries_len++;
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g.dictionaries = g_malloc0_n (sizeof *g.dictionaries, g.dictionaries_len);
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for (gsize i = 0; i < g.dictionaries_len; i++)
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{
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Dictionary *dict = &g.dictionaries[i];
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if (!dictionary_load (dict, filenames[i], e))
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return FALSE;
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}
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return TRUE;
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}
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static void
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search (Dictionary *dict)
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{
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GtkEntryBuffer *buf = gtk_entry_get_buffer (GTK_ENTRY (g.entry));
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const gchar *input_utf8 = gtk_entry_buffer_get_text (buf);
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StardictIterator *iterator =
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stardict_dict_search (dict->dict, input_utf8, NULL);
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dict->position = stardict_iterator_get_offset (iterator);
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g_object_unref (iterator);
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stardict_view_set_position (STARDICT_VIEW (g.view),
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dict->dict, dict->position);
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stardict_view_set_matched (STARDICT_VIEW (g.view), input_utf8);
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}
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static void
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on_changed (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED gpointer data)
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{
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search (&g.dictionaries[g.dictionary]);
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}
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static void
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on_selection_received (G_GNUC_UNUSED GtkClipboard *clipboard, const gchar *text,
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G_GNUC_UNUSED gpointer data)
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{
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if (!text)
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return;
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gtk_entry_set_text (GTK_ENTRY (g.entry), text);
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g_signal_emit_by_name (g.entry,
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"move-cursor", GTK_MOVEMENT_BUFFER_ENDS, 1, FALSE);
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}
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static void
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on_selection (GtkClipboard *clipboard, GdkEvent *event,
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G_GNUC_UNUSED gpointer data)
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{
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if (g.watch_selection
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&& !gtk_window_has_toplevel_focus (GTK_WINDOW (g.window))
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&& event->owner_change.owner != NULL)
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gtk_clipboard_request_text (clipboard, on_selection_received, NULL);
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}
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static void
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on_selection_watch_toggle (GtkCheckMenuItem *item, G_GNUC_UNUSED gpointer data)
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{
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g.watch_selection = gtk_check_menu_item_get_active (item);
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}
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static void
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on_switch_page (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED GtkWidget *page,
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guint page_num, G_GNUC_UNUSED gpointer data)
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{
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g.dictionary = page_num;
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search (&g.dictionaries[g.dictionary]);
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}
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static gboolean
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on_key_press (G_GNUC_UNUSED GtkWidget *widget, GdkEvent *event,
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G_GNUC_UNUSED gpointer data)
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{
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if (event->key.state == GDK_CONTROL_MASK)
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{
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if (event->key.keyval == GDK_KEY_Page_Up)
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{
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gtk_notebook_prev_page (GTK_NOTEBOOK (g.notebook));
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return TRUE;
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}
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if (event->key.keyval == GDK_KEY_Page_Down)
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{
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gtk_notebook_next_page (GTK_NOTEBOOK (g.notebook));
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return TRUE;
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}
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}
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if (event->key.state == GDK_MOD1_MASK)
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{
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if (event->key.keyval >= GDK_KEY_0
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&& event->key.keyval <= GDK_KEY_9)
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{
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gint n = event->key.keyval - GDK_KEY_0;
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gtk_notebook_set_current_page
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(GTK_NOTEBOOK (g.notebook), n ? (n - 1) : 10);
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return TRUE;
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}
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}
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return FALSE;
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}
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static void
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on_destroy (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED gpointer data)
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{
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gtk_main_quit ();
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}
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static void
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die_with_dialog (const gchar *message)
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{
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GtkWidget *dialog = gtk_message_dialog_new (NULL, 0,
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GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", message);
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_widget_destroy (dialog);
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exit (EXIT_FAILURE);
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}
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int
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main (int argc, char *argv[])
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{
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if (!setlocale (LC_ALL, ""))
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g_printerr ("%s: %s\n", _("Warning"), _("failed to set the locale"));
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bindtextdomain (GETTEXT_PACKAGE, GETTEXT_DIRNAME);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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textdomain (GETTEXT_PACKAGE);
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gchar **filenames = NULL;
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GOptionEntry option_entries[] =
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{
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{G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames,
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NULL, N_("FILE...")},
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{},
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};
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GError *error = NULL;
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gtk_init_with_args (&argc, &argv, N_("- StarDict GTK+ UI"),
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option_entries, GETTEXT_PACKAGE, &error);
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if (error)
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{
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g_warning ("%s", error->message);
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g_error_free (error);
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return 1;
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}
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if (!filenames)
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{
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// TODO: eventually just load all dictionaries from configuration
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die_with_dialog ("No arguments have been passed.");
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}
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if (!init (filenames, &error))
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die_with_dialog (error->message);
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// Some Adwaita stupidity
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const char *style = "notebook header tab { padding: 2px 8px; margin: 0; }";
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GdkScreen *screen = gdk_screen_get_default ();
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GtkCssProvider *provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_data (provider, style, strlen (style), NULL);
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gtk_style_context_add_provider_for_screen (screen,
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GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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g.notebook = gtk_notebook_new ();
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g_signal_connect (g.notebook, "switch-page",
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G_CALLBACK (on_switch_page), NULL);
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gtk_notebook_set_scrollable (GTK_NOTEBOOK (g.notebook), TRUE);
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g.watch_selection = TRUE;
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GtkWidget *item =
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gtk_check_menu_item_new_with_label (_("Follow selection"));
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gtk_check_menu_item_set_active
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(GTK_CHECK_MENU_ITEM (item), g.watch_selection);
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g_signal_connect (item, "toggled",
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G_CALLBACK (on_selection_watch_toggle), NULL);
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GtkWidget *menu = gtk_menu_new ();
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gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
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gtk_widget_show_all (menu);
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GtkWidget *hamburger = gtk_menu_button_new ();
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gtk_menu_button_set_direction (GTK_MENU_BUTTON (hamburger), GTK_ARROW_NONE);
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gtk_menu_button_set_popup (GTK_MENU_BUTTON (hamburger), menu);
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gtk_button_set_relief (GTK_BUTTON (hamburger), GTK_RELIEF_NONE);
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gtk_widget_show (hamburger);
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gtk_notebook_set_action_widget
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(GTK_NOTEBOOK (g.notebook), hamburger, GTK_PACK_END);
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// FIXME: when the clear icon shows, the widget changes in height
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g.entry = gtk_search_entry_new ();
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// TODO: attach to the "key-press-event" signal and implement ^W at least,
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// though ^U is working already! Note that bindings can be done in CSS
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// as well, if we have any extra specially for the editor
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g_signal_connect (g.entry, "changed", G_CALLBACK (on_changed), g.view);
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// TODO: make the entry have a background colour, rather than transparency
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gtk_entry_set_has_frame (GTK_ENTRY (g.entry), FALSE);
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// TODO: supposedly attach to "key-press-event" here and react to
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// PageUp/PageDown and up/down arrow keys... either here or in the Entry
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g.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_default_size (GTK_WINDOW (g.window), 300, 600);
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g_signal_connect (g.window, "destroy",
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G_CALLBACK (on_destroy), NULL);
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g_signal_connect (g.window, "key-press-event",
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G_CALLBACK (on_key_press), NULL);
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GtkWidget *superbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 1);
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gtk_container_add (GTK_CONTAINER (g.window), superbox);
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gtk_container_add (GTK_CONTAINER (superbox), g.notebook);
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gtk_container_add (GTK_CONTAINER (superbox), g.entry);
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gtk_container_add (GTK_CONTAINER (superbox),
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gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
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g.view = stardict_view_new ();
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gtk_box_pack_end (GTK_BOX (superbox), g.view, TRUE, TRUE, 0);
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for (gsize i = 0; i < g.dictionaries_len; i++)
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{
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Dictionary *dict = &g.dictionaries[i];
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GtkWidget *dummy = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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GtkWidget *label = gtk_label_new (dict->name);
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gtk_notebook_append_page (GTK_NOTEBOOK (g.notebook), dummy, label);
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}
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GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
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g_signal_connect (clipboard, "owner-change",
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G_CALLBACK (on_selection), NULL);
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gtk_widget_grab_focus (g.entry);
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gtk_widget_show_all (g.window);
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gtk_main ();
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g_strfreev (filenames);
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return 0;
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}
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