diff options
Diffstat (limited to 'src/sdtui.c')
| -rw-r--r-- | src/sdtui.c | 225 |
1 files changed, 201 insertions, 24 deletions
diff --git a/src/sdtui.c b/src/sdtui.c index f55b2a4..e3df5db 100644 --- a/src/sdtui.c +++ b/src/sdtui.c @@ -42,6 +42,10 @@ #include "stardict.h" #include "utils.h" +#ifdef WITH_GTK +#include <gtk/gtk.h> +#endif // WITH_GTK + #define CTRL_KEY(x) ((x) - 'A' + 1) // --- Utilities --------------------------------------------------------------- @@ -60,6 +64,8 @@ unichar_width (gunichar ch) typedef struct view_entry ViewEntry; /** Encloses application data. */ typedef struct application Application; +/** Application options. */ +typedef struct app_options AppOptions; struct view_entry { @@ -72,7 +78,7 @@ struct application { GMainLoop * loop; //!< Main loop termo_t * tk; //!< termo handle - guint tk_timeout; //!< termo timeout + guint tk_timer; //!< termo timeout timer GIConv ucs4_to_locale; //!< UTF-32 -> locale conversion gboolean locale_is_utf8; //!< The locale is Unicode @@ -90,8 +96,17 @@ struct application gboolean input_confirmed; //!< Input has been confirmed gfloat division; //!< Position of the division column + + guint selection_timer; //!< Selection watcher timeout timer + gint selection_interval; //!< Selection watcher timer interval + gchar * selection_contents; //!< Selection contents }; +struct app_options +{ + gboolean show_version; //!< Output version information and quit + gint selection_watcher; //!< Interval in milliseconds, or -1 +}; /** Splits the entry and adds it to a pointer array. */ static void @@ -190,13 +205,41 @@ app_reload_view (Application *self) g_object_unref (iterator); } +#ifdef WITH_GTK +static gboolean on_selection_timer (gpointer data); + +static void +rearm_selection_watcher (Application *self) +{ + if (self->selection_interval > 0) + self->selection_timer = g_timeout_add + (self->selection_interval, on_selection_timer, self); +} +#endif // WITH_GTK + /** Initialize the application core. */ static void -app_init (Application *self, const gchar *filename) +app_init (Application *self, AppOptions *options, const gchar *filename) { - self->loop = g_main_loop_new (NULL, FALSE); + self->loop = NULL; + self->selection_interval = options->selection_watcher; + self->selection_timer = 0; + self->selection_contents = NULL; + +#ifdef WITH_GTK + if (gtk_init_check (0, NULL)) + { + // So that we set the input only when it actually changes + GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY); + self->selection_contents = gtk_clipboard_wait_for_text (clipboard); + rearm_selection_watcher (self); + } + else +#endif // WITH_GTK + self->loop = g_main_loop_new (NULL, FALSE); + self->tk = NULL; - self->tk_timeout = 0; + self->tk_timer = 0; GError *error = NULL; self->dict = stardict_dict_new (filename, &error); @@ -233,11 +276,16 @@ app_init (Application *self, const gchar *filename) static void app_destroy (Application *self) { - g_main_loop_unref (self->loop); + if (self->loop) + g_main_loop_unref (self->loop); if (self->tk) termo_destroy (self->tk); - if (self->tk_timeout) - g_source_remove (self->tk_timeout); + if (self->tk_timer) + g_source_remove (self->tk_timer); + + if (self->selection_timer) + g_source_remove (self->selection_timer); + g_free (self->selection_contents); g_object_unref (self->dict); g_ptr_array_free (self->entries, TRUE); @@ -247,6 +295,30 @@ app_destroy (Application *self) g_iconv_close (self->ucs4_to_locale); } +/** Run the main event dispatch loop. */ +static void +app_run (Application *self) +{ + if (self->loop) + g_main_loop_run (self->loop); +#ifdef WITH_GTK + else + gtk_main (); +#endif // WITH_GTK +} + +/** Quit the main event dispatch loop. */ +static void +app_quit (Application *self) +{ + if (self->loop) + g_main_loop_quit (self->loop); +#ifdef WITH_GTK + else + gtk_main_quit (); +#endif // WITH_GTK +} + /** Returns if the Unicode character is representable in the current locale. */ static gboolean app_is_character_in_locale (Application *self, gunichar ch) @@ -1140,17 +1212,17 @@ install_winch_handler (void) // --- Initialisation, event handling ------------------------------------------ -static gboolean process_stdin_input_timeout (gpointer data); +static gboolean on_stdin_input_timeout (gpointer data); static gboolean process_stdin_input (G_GNUC_UNUSED GIOChannel *source, G_GNUC_UNUSED GIOCondition condition, gpointer data) { Application *app = data; - if (app->tk_timeout) + if (app->tk_timer) { - g_source_remove (app->tk_timeout); - app->tk_timeout = 0; + g_source_remove (app->tk_timer); + app->tk_timer = 0; } termo_advisereadable (app->tk); @@ -1162,28 +1234,28 @@ process_stdin_input (G_GNUC_UNUSED GIOChannel *source, goto quit; if (res == TERMO_RES_AGAIN) - app->tk_timeout = g_timeout_add (termo_get_waittime (app->tk), - process_stdin_input_timeout, app); + app->tk_timer = g_timeout_add (termo_get_waittime (app->tk), + on_stdin_input_timeout, app); else if (res == TERMO_RES_ERROR || res == TERMO_RES_EOF) goto quit; return TRUE; quit: - g_main_loop_quit (app->loop); - return false; + app_quit (app); + return FALSE; } static gboolean -process_stdin_input_timeout (gpointer data) +on_stdin_input_timeout (gpointer data) { Application *app = data; termo_key_t event; if (termo_getkey_force (app->tk, &event) == TERMO_RES_KEY) if (!app_process_termo_event (app, &event)) - g_main_loop_quit (app->loop); + app_quit (app); - app->tk_timeout = 0; + app->tk_timer = 0; return FALSE; } @@ -1201,6 +1273,96 @@ process_winch_input (GIOChannel *source, return TRUE; } +#ifdef WITH_GTK +static void +app_set_input (Application *self, const gchar *input) +{ + glong size; + gunichar *output = g_utf8_to_ucs4 (input, -1, NULL, &size, NULL); + + // XXX: signal invalid data? + if (!output) + return; + + g_array_free (self->input, TRUE); + self->input = g_array_new (TRUE, FALSE, sizeof (gunichar)); + self->input_pos = 0; + + gunichar *p = output; + while (size--) + { + // XXX: skip? + if (!g_unichar_isprint (*p)) + break; + + g_array_insert_val (self->input, self->input_pos++, *p++); + } + + g_free (output); + app_search_for_entry (self); + app_redraw_top (self); +} + +static void +on_selection_text_received (G_GNUC_UNUSED GtkClipboard *clipboard, + const gchar *text, gpointer data) +{ + Application *app = data; + rearm_selection_watcher (app); + + if (text) + { + if (app->selection_contents && !strcmp (app->selection_contents, text)) + return; + + g_free (app->selection_contents); + app->selection_contents = g_strdup (text); + app_set_input (app, text); + } + else if (app->selection_contents) + { + g_free (app->selection_contents); + app->selection_contents = NULL; + } +} + +static gboolean +on_selection_timer (gpointer data) +{ + Application *app = data; + GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY); + gtk_clipboard_request_text (clipboard, on_selection_text_received, app); + + app->selection_timer = 0; + return FALSE; +} + +static gboolean +on_watch_primary_selection (G_GNUC_UNUSED const gchar *option_name, + const gchar *value, gpointer data, GError **error) +{ + AppOptions *options = data; + + if (!value) + { + options->selection_watcher = 500; + return TRUE; + } + + char *end; + errno = 0; + long timer = strtol (value, &end, 10); + if (errno || *end || end == value || timer <= 0 || timer > G_MAXINT) + { + g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED, + _("Invalid timer value")); + return FALSE; + } + options->selection_watcher = timer; + return TRUE; +} +#endif // WITH_GTK + int main (int argc, char *argv[]) { @@ -1209,12 +1371,24 @@ G_GNUC_BEGIN_IGNORE_DEPRECATIONS g_type_init (); G_GNUC_END_IGNORE_DEPRECATIONS - gboolean show_version = FALSE; + AppOptions options = + { + .show_version = FALSE, + .selection_watcher = -1, + }; + GOptionEntry entries[] = { { "version", 0, G_OPTION_FLAG_IN_MAIN, - G_OPTION_ARG_NONE, &show_version, + G_OPTION_ARG_NONE, &options.show_version, N_("Output version information and exit"), NULL }, +#ifdef WITH_GTK + { "watch-primary-selection", 'w', + G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_OPTIONAL_ARG, + G_OPTION_ARG_CALLBACK, (gpointer) on_watch_primary_selection, + N_("Watch the value of the primary selection for input"), + N_("TIMER") }, +#endif // WITH_GTK { NULL } }; @@ -1228,7 +1402,10 @@ G_GNUC_END_IGNORE_DEPRECATIONS GError *error = NULL; GOptionContext *ctx = g_option_context_new (N_("dictionary.ifo - StarDict terminal UI")); - g_option_context_add_main_entries (ctx, entries, GETTEXT_PACKAGE); + GOptionGroup *group = g_option_group_new ("", "", "", &options, NULL); + g_option_group_add_entries (group, entries); + g_option_group_set_translation_domain (group, GETTEXT_PACKAGE); + g_option_context_add_group (ctx, group); g_option_context_set_translation_domain (ctx, GETTEXT_PACKAGE); if (!g_option_context_parse (ctx, &argc, &argv, &error)) { @@ -1237,7 +1414,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS exit (EXIT_FAILURE); } - if (show_version) + if (options.show_version) { g_print (PROJECT_NAME " " PROJECT_VERSION "\n"); exit (EXIT_SUCCESS); @@ -1254,7 +1431,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS g_option_context_free (ctx); Application app; - app_init (&app, argv[1]); + app_init (&app, &options, argv[1]); TERMO_CHECK_VERSION; if (!(app.tk = termo_new (STDIN_FILENO, NULL, 0))) @@ -1275,7 +1452,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS G_IO_IN, process_stdin_input, &app); g_io_add_watch (g_io_channel_unix_new (g_winch_pipe[0]), G_IO_IN, process_winch_input, &app); - g_main_loop_run (app.loop); + app_run (&app); endwin (); app_destroy (&app); |