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Diffstat (limited to 'plugins/changecase/pluma-changecase-plugin.c')
-rwxr-xr-xplugins/changecase/pluma-changecase-plugin.c395
1 files changed, 395 insertions, 0 deletions
diff --git a/plugins/changecase/pluma-changecase-plugin.c b/plugins/changecase/pluma-changecase-plugin.c
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+++ b/plugins/changecase/pluma-changecase-plugin.c
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+/*
+ * pluma-changecase-plugin.c
+ *
+ * Copyright (C) 2004-2005 - Paolo Borelli
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pluma-changecase-plugin.h"
+
+#include <glib/gi18n-lib.h>
+#include <gmodule.h>
+
+#include <pluma/pluma-debug.h>
+
+#define WINDOW_DATA_KEY "PlumaChangecasePluginWindowData"
+
+PLUMA_PLUGIN_REGISTER_TYPE(PlumaChangecasePlugin, pluma_changecase_plugin)
+
+typedef enum {
+ TO_UPPER_CASE,
+ TO_LOWER_CASE,
+ INVERT_CASE,
+ TO_TITLE_CASE,
+} ChangeCaseChoice;
+
+static void
+do_upper_case (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ GString *s = g_string_new (NULL);
+
+ while (!gtk_text_iter_is_end (start) &&
+ !gtk_text_iter_equal (start, end))
+ {
+ gunichar c, nc;
+
+ c = gtk_text_iter_get_char (start);
+ nc = g_unichar_toupper (c);
+ g_string_append_unichar (s, nc);
+
+ gtk_text_iter_forward_char (start);
+ }
+
+ gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
+ gtk_text_buffer_insert_at_cursor (buffer, s->str, s->len);
+
+ g_string_free (s, TRUE);
+}
+
+static void
+do_lower_case (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ GString *s = g_string_new (NULL);
+
+ while (!gtk_text_iter_is_end (start) &&
+ !gtk_text_iter_equal (start, end))
+ {
+ gunichar c, nc;
+
+ c = gtk_text_iter_get_char (start);
+ nc = g_unichar_tolower (c);
+ g_string_append_unichar (s, nc);
+
+ gtk_text_iter_forward_char (start);
+ }
+
+ gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
+ gtk_text_buffer_insert_at_cursor (buffer, s->str, s->len);
+
+ g_string_free (s, TRUE);
+}
+
+static void
+do_invert_case (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ GString *s = g_string_new (NULL);
+
+ while (!gtk_text_iter_is_end (start) &&
+ !gtk_text_iter_equal (start, end))
+ {
+ gunichar c, nc;
+
+ c = gtk_text_iter_get_char (start);
+ if (g_unichar_islower (c))
+ nc = g_unichar_toupper (c);
+ else
+ nc = g_unichar_tolower (c);
+ g_string_append_unichar (s, nc);
+
+ gtk_text_iter_forward_char (start);
+ }
+
+ gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
+ gtk_text_buffer_insert_at_cursor (buffer, s->str, s->len);
+
+ g_string_free (s, TRUE);
+}
+
+static void
+do_title_case (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ GString *s = g_string_new (NULL);
+
+ while (!gtk_text_iter_is_end (start) &&
+ !gtk_text_iter_equal (start, end))
+ {
+ gunichar c, nc;
+
+ c = gtk_text_iter_get_char (start);
+ if (gtk_text_iter_starts_word (start))
+ nc = g_unichar_totitle (c);
+ else
+ nc = g_unichar_tolower (c);
+ g_string_append_unichar (s, nc);
+
+ gtk_text_iter_forward_char (start);
+ }
+
+ gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
+ gtk_text_buffer_insert_at_cursor (buffer, s->str, s->len);
+
+ g_string_free (s, TRUE);
+}
+
+static void
+change_case (PlumaWindow *window,
+ ChangeCaseChoice choice)
+{
+ PlumaDocument *doc;
+ GtkTextIter start, end;
+
+ pluma_debug (DEBUG_PLUGINS);
+
+ doc = pluma_window_get_active_document (window);
+ g_return_if_fail (doc != NULL);
+
+ if (!gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc),
+ &start, &end))
+ {
+ return;
+ }
+
+ gtk_text_buffer_begin_user_action (GTK_TEXT_BUFFER (doc));
+
+ switch (choice)
+ {
+ case TO_UPPER_CASE:
+ do_upper_case (GTK_TEXT_BUFFER (doc), &start, &end);
+ break;
+ case TO_LOWER_CASE:
+ do_lower_case (GTK_TEXT_BUFFER (doc), &start, &end);
+ break;
+ case INVERT_CASE:
+ do_invert_case (GTK_TEXT_BUFFER (doc), &start, &end);
+ break;
+ case TO_TITLE_CASE:
+ do_title_case (GTK_TEXT_BUFFER (doc), &start, &end);
+ break;
+ default:
+ g_return_if_reached ();
+ }
+
+ gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (doc));
+}
+
+static void
+upper_case_cb (GtkAction *action,
+ PlumaWindow *window)
+{
+ change_case (window, TO_UPPER_CASE);
+}
+
+static void
+lower_case_cb (GtkAction *action,
+ PlumaWindow *window)
+{
+ change_case (window, TO_LOWER_CASE);
+}
+
+static void
+invert_case_cb (GtkAction *action,
+ PlumaWindow *window)
+{
+ change_case (window, INVERT_CASE);
+}
+
+static void
+title_case_cb (GtkAction *action,
+ PlumaWindow *window)
+{
+ change_case (window, TO_TITLE_CASE);
+}
+
+static const GtkActionEntry action_entries[] =
+{
+ { "ChangeCase", NULL, N_("C_hange Case") },
+ { "UpperCase", NULL, N_("All _Upper Case"), NULL,
+ N_("Change selected text to upper case"),
+ G_CALLBACK (upper_case_cb) },
+ { "LowerCase", NULL, N_("All _Lower Case"), NULL,
+ N_("Change selected text to lower case"),
+ G_CALLBACK (lower_case_cb) },
+ { "InvertCase", NULL, N_("_Invert Case"), NULL,
+ N_("Invert the case of selected text"),
+ G_CALLBACK (invert_case_cb) },
+ { "TitleCase", NULL, N_("_Title Case"), NULL,
+ N_("Capitalize the first letter of each selected word"),
+ G_CALLBACK (title_case_cb) }
+};
+
+const gchar submenu[] =
+"<ui>"
+" <menubar name='MenuBar'>"
+" <menu name='EditMenu' action='Edit'>"
+" <placeholder name='EditOps_6'>"
+" <menu action='ChangeCase'>"
+" <menuitem action='UpperCase'/>"
+" <menuitem action='LowerCase'/>"
+" <menuitem action='InvertCase'/>"
+" <menuitem action='TitleCase'/>"
+" </menu>"
+" </placeholder>"
+" </menu>"
+" </menubar>"
+"</ui>";
+
+static void
+pluma_changecase_plugin_init (PlumaChangecasePlugin *plugin)
+{
+ pluma_debug_message (DEBUG_PLUGINS, "PlumaChangecasePlugin initializing");
+}
+
+static void
+pluma_changecase_plugin_finalize (GObject *object)
+{
+ G_OBJECT_CLASS (pluma_changecase_plugin_parent_class)->finalize (object);
+
+ pluma_debug_message (DEBUG_PLUGINS, "PlumaChangecasePlugin finalizing");
+}
+
+typedef struct
+{
+ GtkActionGroup *action_group;
+ guint ui_id;
+} WindowData;
+
+static void
+free_window_data (WindowData *data)
+{
+ g_return_if_fail (data != NULL);
+
+ g_slice_free (WindowData, data);
+}
+
+static void
+update_ui_real (PlumaWindow *window,
+ WindowData *data)
+{
+ GtkTextView *view;
+ GtkAction *action;
+ gboolean sensitive = FALSE;
+
+ pluma_debug (DEBUG_PLUGINS);
+
+ view = GTK_TEXT_VIEW (pluma_window_get_active_view (window));
+
+ if (view != NULL)
+ {
+ GtkTextBuffer *buffer;
+
+ buffer = gtk_text_view_get_buffer (view);
+ sensitive = (gtk_text_view_get_editable (view) &&
+ gtk_text_buffer_get_has_selection (buffer));
+ }
+
+ action = gtk_action_group_get_action (data->action_group,
+ "ChangeCase");
+ gtk_action_set_sensitive (action, sensitive);
+}
+
+static void
+impl_activate (PlumaPlugin *plugin,
+ PlumaWindow *window)
+{
+ GtkUIManager *manager;
+ WindowData *data;
+ GError *error = NULL;
+
+ pluma_debug (DEBUG_PLUGINS);
+
+ data = g_slice_new (WindowData);
+
+ manager = pluma_window_get_ui_manager (window);
+
+ data->action_group = gtk_action_group_new ("PlumaChangecasePluginActions");
+ gtk_action_group_set_translation_domain (data->action_group,
+ GETTEXT_PACKAGE);
+ gtk_action_group_add_actions (data->action_group,
+ action_entries,
+ G_N_ELEMENTS (action_entries),
+ window);
+
+ gtk_ui_manager_insert_action_group (manager, data->action_group, -1);
+
+ data->ui_id = gtk_ui_manager_add_ui_from_string (manager,
+ submenu,
+ -1,
+ &error);
+ if (data->ui_id == 0)
+ {
+ g_warning ("%s", error->message);
+ free_window_data (data);
+ return;
+ }
+
+ g_object_set_data_full (G_OBJECT (window),
+ WINDOW_DATA_KEY,
+ data,
+ (GDestroyNotify) free_window_data);
+
+ update_ui_real (window, data);
+}
+
+static void
+impl_deactivate (PlumaPlugin *plugin,
+ PlumaWindow *window)
+{
+ GtkUIManager *manager;
+ WindowData *data;
+
+ pluma_debug (DEBUG_PLUGINS);
+
+ manager = pluma_window_get_ui_manager (window);
+
+ data = (WindowData *) g_object_get_data (G_OBJECT (window), WINDOW_DATA_KEY);
+ g_return_if_fail (data != NULL);
+
+ gtk_ui_manager_remove_ui (manager, data->ui_id);
+ gtk_ui_manager_remove_action_group (manager, data->action_group);
+
+ g_object_set_data (G_OBJECT (window), WINDOW_DATA_KEY, NULL);
+}
+
+static void
+impl_update_ui (PlumaPlugin *plugin,
+ PlumaWindow *window)
+{
+ WindowData *data;
+
+ pluma_debug (DEBUG_PLUGINS);
+
+ data = (WindowData *) g_object_get_data (G_OBJECT (window), WINDOW_DATA_KEY);
+ g_return_if_fail (data != NULL);
+
+ update_ui_real (window, data);
+}
+
+static void
+pluma_changecase_plugin_class_init (PlumaChangecasePluginClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ PlumaPluginClass *plugin_class = PLUMA_PLUGIN_CLASS (klass);
+
+ object_class->finalize = pluma_changecase_plugin_finalize;
+
+ plugin_class->activate = impl_activate;
+ plugin_class->deactivate = impl_deactivate;
+ plugin_class->update_ui = impl_update_ui;
+}
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