From f5c20c9555754967be55d063f450db23557478cc Mon Sep 17 00:00:00 2001 From: John Darrington Date: Tue, 24 Aug 2010 14:46:37 +0200 Subject: [PATCH] Syntax Window: Dynamically set paste sensitivity Set the sensitivity of the paste action according to whether there is anything to be pasted in the clipboard. --- src/ui/gui/psppire-syntax-window.c | 31 ++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/src/ui/gui/psppire-syntax-window.c b/src/ui/gui/psppire-syntax-window.c index 77d20ab2bb..058e27c505 100644 --- a/src/ui/gui/psppire-syntax-window.c +++ b/src/ui/gui/psppire-syntax-window.c @@ -271,7 +271,7 @@ contents_received_callback (GtkClipboard *clipboard, } -void +static void on_edit_paste (PsppireSyntaxWindow *sw) { GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (sw)); @@ -284,6 +284,26 @@ on_edit_paste (PsppireSyntaxWindow *sw) 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); +} + @@ -552,11 +572,12 @@ 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); - GtkClipboard *clipboard = - gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY); + g_signal_connect_swapped (clip_primary, "owner-change", G_CALLBACK (selection_changed), window); - g_signal_connect_swapped (clipboard, "owner-change", G_CALLBACK (selection_changed), window); + g_signal_connect (clip_selection, "owner-change", G_CALLBACK (on_owner_change), window); window->cliptext = NULL; @@ -565,8 +586,6 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window) window->edit_cut = get_action_assert (xml, "edit_cut"); window->edit_paste = get_action_assert (xml, "edit_paste"); -gtk_action_set_sensitive (window->edit_paste, TRUE); - window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view)); window->lexer = lex_create (the_source_stream); -- 2.30.2