X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fpsppire-syntax-window.c;h=e99302a0e8fa70d4209ddc054a9e8100ba59cf09;hb=3b5df2220691e6da7a4fc3ed8b41b1d0a472ea8d;hp=de12be49f21d7d96d6a1e9145d599f84bd1ef2bf;hpb=e4ef4d0f708651807d91bd92d7ab92c1b5c6d675;p=pspp diff --git a/src/ui/gui/psppire-syntax-window.c b/src/ui/gui/psppire-syntax-window.c index de12be49f2..e99302a0e8 100644 --- a/src/ui/gui/psppire-syntax-window.c +++ b/src/ui/gui/psppire-syntax-window.c @@ -133,6 +133,180 @@ editor_execute_syntax (const PsppireSyntaxWindow *sw, GtkTextIter start, } + + +/* Delete the currently selected text */ +static void +on_edit_delete (PsppireSyntaxWindow *sw) +{ + GtkTextIter begin, end; + + if ( gtk_text_buffer_get_selection_bounds (sw->buffer, &begin, &end) ) + gtk_text_buffer_delete (sw->buffer, &begin, &end); +} + + + + +/* The syntax editor's clipboard deals only with text */ +enum { + SELECT_FMT_NULL, + SELECT_FMT_TEXT, +}; + + +static void +selection_changed (PsppireSyntaxWindow *sw) +{ + gboolean sel = gtk_text_buffer_get_has_selection (sw->buffer); + + gtk_action_set_sensitive (sw->edit_copy, sel); + gtk_action_set_sensitive (sw->edit_cut, sel); + gtk_action_set_sensitive (sw->edit_delete, sel); +} + +/* The callback which runs when something request clipboard data */ +static void +clipboard_get_cb (GtkClipboard *clipboard, + GtkSelectionData *selection_data, + guint info, + gpointer data) +{ + PsppireSyntaxWindow *sw = data; + g_assert (info == SELECT_FMT_TEXT); + + gtk_selection_data_set (selection_data, selection_data->target, + 8, + (const guchar *) sw->cliptext, strlen (sw->cliptext)); + +} + +static void +clipboard_clear_cb (GtkClipboard *clipboard, + gpointer data) +{ + PsppireSyntaxWindow *sw = data; + g_free (sw->cliptext); + sw->cliptext = NULL; +} + + +static const GtkTargetEntry targets[] = { + { "UTF8_STRING", 0, SELECT_FMT_TEXT }, + { "STRING", 0, SELECT_FMT_TEXT }, + { "TEXT", 0, SELECT_FMT_TEXT }, + { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT }, + { "text/plain;charset=utf-8", 0, SELECT_FMT_TEXT }, + { "text/plain", 0, SELECT_FMT_TEXT }, +}; + + +/* + Store a clip containing the currently selected text. + Returns true iff something was set. + As a side effect, begin and end will be set to indicate + the limits of the selected text. +*/ +static gboolean +set_clip (PsppireSyntaxWindow *sw, GtkTextIter *begin, GtkTextIter *end) +{ + GtkClipboard *clipboard ; + + if ( ! gtk_text_buffer_get_selection_bounds (sw->buffer, begin, end) ) + return FALSE; + + g_free (sw->cliptext); + sw->cliptext = gtk_text_buffer_get_text (sw->buffer, begin, end, FALSE); + + clipboard = + gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD); + + if (!gtk_clipboard_set_with_owner (clipboard, targets, + G_N_ELEMENTS (targets), + clipboard_get_cb, clipboard_clear_cb, + G_OBJECT (sw))) + clipboard_clear_cb (clipboard, sw); + + return TRUE; +} + +static void +on_edit_cut (PsppireSyntaxWindow *sw) +{ + GtkTextIter begin, end; + + if ( set_clip (sw, &begin, &end)) + gtk_text_buffer_delete (sw->buffer, &begin, &end); +} + +static void +on_edit_copy (PsppireSyntaxWindow *sw) +{ + GtkTextIter begin, end; + + set_clip (sw, &begin, &end); +} + + +/* A callback for when the clipboard contents have been received */ +static void +contents_received_callback (GtkClipboard *clipboard, + GtkSelectionData *sd, + gpointer data) +{ + gchar *c; + PsppireSyntaxWindow *syntax_window = data; + + if ( sd->length < 0 ) + return; + + if ( sd->type != gdk_atom_intern ("UTF8_STRING", FALSE)) + return; + + c = (gchar *) sd->data; + + gtk_text_buffer_insert_at_cursor (syntax_window->buffer, + (gchar *) sd->data, + sd->length); + +} + +static void +on_edit_paste (PsppireSyntaxWindow *sw) +{ + GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (sw)); + GtkClipboard *clipboard = + gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD); + + gtk_clipboard_request_contents (clipboard, + gdk_atom_intern ("UTF8_STRING", TRUE), + contents_received_callback, + sw); +} + +static void +on_owner_change (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data) +{ + gint i; + gboolean compatible_target = FALSE; + PsppireSyntaxWindow *sw = PSPPIRE_SYNTAX_WINDOW (data); + + for (i = 0 ; i < sizeof (targets) / sizeof (targets[0]) ; ++i) + { + GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE); + if ( gtk_clipboard_wait_is_target_available (clip, atom)) + { + compatible_target = TRUE; + break; + } + } + + gtk_action_set_sensitive (sw->edit_paste, compatible_target); +} + + + + /* Parse and execute all the text in the buffer */ static void on_run_all (GtkMenuItem *menuitem, gpointer user_data) @@ -397,17 +571,35 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) GtkWidget *text_view = get_widget_assert (xml, "syntax_text_view"); + + GtkClipboard *clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD); + GtkClipboard *clip_primary = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY); + + window->cliptext = NULL; + + window->edit_delete = get_action_assert (xml, "edit_delete"); + window->edit_copy = get_action_assert (xml, "edit_copy"); + window->edit_cut = get_action_assert (xml, "edit_cut"); + window->edit_paste = get_action_assert (xml, "edit_paste"); + window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view)); window->lexer = lex_create (the_source_stream); window->sb = get_widget_assert (xml, "statusbar2"); window->text_context = gtk_statusbar_get_context_id (GTK_STATUSBAR (window->sb), "Text Context"); - g_signal_connect (window->buffer, "changed", G_CALLBACK (on_text_changed), window); + g_signal_connect (window->buffer, "changed", + G_CALLBACK (on_text_changed), window); - g_signal_connect (window->buffer, "modified-changed", + g_signal_connect (window->buffer, "modified-changed", G_CALLBACK (on_modified_changed), window); + g_signal_connect_swapped (clip_primary, "owner-change", + G_CALLBACK (selection_changed), window); + + g_signal_connect (clip_selection, "owner-change", + G_CALLBACK (on_owner_change), window); + connect_help (xml); gtk_container_add (GTK_CONTAINER (window), box); @@ -418,7 +610,6 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) g_object_ref (window->sb); - gtk_box_pack_start (GTK_BOX (box), menubar, FALSE, TRUE, 0); gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0); gtk_box_pack_start (GTK_BOX (box), window->sb, FALSE, TRUE, 0); @@ -449,12 +640,31 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) G_CALLBACK (on_quit), window); + g_signal_connect_swapped (window->edit_delete, + "activate", + G_CALLBACK (on_edit_delete), + window); + + g_signal_connect_swapped (window->edit_copy, + "activate", + G_CALLBACK (on_edit_copy), + window); + + g_signal_connect_swapped (window->edit_cut, + "activate", + G_CALLBACK (on_edit_cut), + window); + + g_signal_connect_swapped (window->edit_paste, + "activate", + G_CALLBACK (on_edit_paste), + window); + g_signal_connect (get_action_assert (xml,"run_all"), "activate", G_CALLBACK (on_run_all), window); - g_signal_connect (get_action_assert (xml,"run_selection"), "activate", G_CALLBACK (on_run_selection), @@ -488,11 +698,15 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) } + + + GtkWidget* psppire_syntax_window_new (void) { return GTK_WIDGET (g_object_new (psppire_syntax_window_get_type (), - "filename", "Syntax", + /* TRANSLATORS: This will form a filename. Please avoid whitespace. */ + "filename", _("Syntax"), "description", _("Syntax Editor"), NULL)); } @@ -574,3 +788,6 @@ psppire_syntax_window_iface_init (PsppireWindowIface *iface) iface->save = syntax_save; iface->load = syntax_load; } + + +