/* * xedit-view.c * This file is part of xedit * * Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence * Copyright (C) 2000, 2002 Chema Celorio, Paolo Maggi * Copyright (C) 2003-2005 Paolo Maggi * * 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 of the License, 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /* * Modified by the xedit Team, 1998-2005. See the AUTHORS file for a * list of people on the xedit Team. * See the ChangeLog files for a list of changes. * * $Id$ */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include "xedit-view.h" #include "xedit-debug.h" #include "xedit-prefs-manager.h" #include "xedit-prefs-manager-app.h" #include "xedit-marshal.h" #include "xedit-utils.h" #define XEDIT_VIEW_SCROLL_MARGIN 0.02 #define XEDIT_VIEW_SEARCH_DIALOG_TIMEOUT (30*1000) /* 30 seconds */ #define MIN_SEARCH_COMPLETION_KEY_LEN 3 #define XEDIT_VIEW_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), XEDIT_TYPE_VIEW, XeditViewPrivate)) #if GTK_CHECK_VERSION (3, 0, 0) #define gtk_vbox_new(X,Y) gtk_box_new(GTK_ORIENTATION_VERTICAL,Y) #endif typedef enum { GOTO_LINE, SEARCH } SearchMode; enum { TARGET_URI_LIST = 100 }; struct _XeditViewPrivate { SearchMode search_mode; GtkTextIter start_search_iter; /* used to restore the search state if an * incremental search is cancelled */ gchar *old_search_text; guint old_search_flags; /* used to remeber the state of the last * incremental search (the document search * state may be changed by the search dialog) */ guint search_flags; gboolean wrap_around; GtkWidget *search_window; GtkWidget *search_entry; guint typeselect_flush_timeout; guint search_entry_changed_id; gboolean disable_popdown; GtkTextBuffer *current_buffer; }; /* The search entry completion is shared among all the views */ GtkListStore *search_completion_model = NULL; static void xedit_view_dispose (GObject *object); static void xedit_view_finalize (GObject *object); static gint xedit_view_focus_out (GtkWidget *widget, GdkEventFocus *event); static gboolean xedit_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint timestamp); static void xedit_view_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint timestamp); static gboolean xedit_view_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint timestamp); static gboolean xedit_view_button_press_event (GtkWidget *widget, GdkEventButton *event); static gboolean start_interactive_search (XeditView *view); static gboolean start_interactive_goto_line (XeditView *view); static gboolean reset_searched_text (XeditView *view); static void hide_search_window (XeditView *view, gboolean cancel); #if GTK_CHECK_VERSION (3, 0, 0) static gboolean xedit_view_draw (GtkWidget *widget, cairo_t *cr); #else static gint xedit_view_expose (GtkWidget *widget, GdkEventExpose *event); #endif static void search_highlight_updated_cb (XeditDocument *doc, GtkTextIter *start, GtkTextIter *end, XeditView *view); static void xedit_view_delete_from_cursor (GtkTextView *text_view, GtkDeleteType type, gint count); #if GTK_CHECK_VERSION (3, 0, 0) G_DEFINE_TYPE(XeditView, xedit_view, GTK_SOURCE_TYPE_VIEW) #else G_DEFINE_TYPE(XeditView, xedit_view, GTK_TYPE_SOURCE_VIEW) #endif /* Signals */ enum { START_INTERACTIVE_SEARCH, START_INTERACTIVE_GOTO_LINE, RESET_SEARCHED_TEXT, DROP_URIS, LAST_SIGNAL }; static guint view_signals [LAST_SIGNAL] = { 0 }; typedef enum { XEDIT_SEARCH_ENTRY_NORMAL, XEDIT_SEARCH_ENTRY_NOT_FOUND } XeditSearchEntryState; static void document_read_only_notify_handler (XeditDocument *document, GParamSpec *pspec, XeditView *view) { xedit_debug (DEBUG_VIEW); gtk_text_view_set_editable (GTK_TEXT_VIEW (view), !xedit_document_get_readonly (document)); } static void xedit_view_class_init (XeditViewClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); GtkTextViewClass *text_view_class = GTK_TEXT_VIEW_CLASS (klass); GtkBindingSet *binding_set; object_class->dispose = xedit_view_dispose; object_class->finalize = xedit_view_finalize; widget_class->focus_out_event = xedit_view_focus_out; #if GTK_CHECK_VERSION (3, 0, 0) widget_class->draw = xedit_view_draw; #else widget_class->expose_event = xedit_view_expose; #endif /* * Override the gtk_text_view_drag_motion and drag_drop * functions to get URIs * * If the mime type is text/uri-list, then we will accept * the potential drop, or request the data (depending on the * function). * * If the drag context has any other mime type, then pass the * information onto the GtkTextView's standard handlers. * (widget_class->function_name). * * See bug #89881 for details */ widget_class->drag_motion = xedit_view_drag_motion; widget_class->drag_data_received = xedit_view_drag_data_received; widget_class->drag_drop = xedit_view_drag_drop; widget_class->button_press_event = xedit_view_button_press_event; klass->start_interactive_search = start_interactive_search; klass->start_interactive_goto_line = start_interactive_goto_line; klass->reset_searched_text = reset_searched_text; text_view_class->delete_from_cursor = xedit_view_delete_from_cursor; view_signals[START_INTERACTIVE_SEARCH] = g_signal_new ("start_interactive_search", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (XeditViewClass, start_interactive_search), NULL, NULL, xedit_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); view_signals[START_INTERACTIVE_GOTO_LINE] = g_signal_new ("start_interactive_goto_line", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (XeditViewClass, start_interactive_goto_line), NULL, NULL, xedit_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); view_signals[RESET_SEARCHED_TEXT] = g_signal_new ("reset_searched_text", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (XeditViewClass, reset_searched_text), NULL, NULL, xedit_marshal_BOOLEAN__NONE, G_TYPE_BOOLEAN, 0); /* A new signal DROP_URIS has been added to allow plugins to intercept * the default dnd behaviour of 'text/uri-list'. XeditView now handles * dnd in the default handlers of drag_drop, drag_motion and * drag_data_received. The view emits drop_uris from drag_data_received * if valid uris have been dropped. Plugins should connect to * drag_motion, drag_drop and drag_data_received to change this * default behaviour. They should _NOT_ use this signal because this * will not prevent xedit from loading the uri */ view_signals[DROP_URIS] = g_signal_new ("drop_uris", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (XeditViewClass, drop_uris), NULL, NULL, g_cclosure_marshal_VOID__BOXED, G_TYPE_NONE, 1, G_TYPE_STRV); g_type_class_add_private (klass, sizeof (XeditViewPrivate)); binding_set = gtk_binding_set_by_class (klass); gtk_binding_entry_add_signal (binding_set, GDK_KEY_k, GDK_CONTROL_MASK, "start_interactive_search", 0); gtk_binding_entry_add_signal (binding_set, GDK_KEY_i, GDK_CONTROL_MASK, "start_interactive_goto_line", 0); gtk_binding_entry_add_signal (binding_set, GDK_KEY_k, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "reset_searched_text", 0); gtk_binding_entry_add_signal (binding_set, GDK_KEY_d, GDK_CONTROL_MASK, "delete_from_cursor", 2, G_TYPE_ENUM, GTK_DELETE_PARAGRAPHS, G_TYPE_INT, 1); } static void current_buffer_removed (XeditView *view) { if (view->priv->current_buffer) { g_signal_handlers_disconnect_by_func (view->priv->current_buffer, document_read_only_notify_handler, view); g_signal_handlers_disconnect_by_func (view->priv->current_buffer, search_highlight_updated_cb, view); g_object_unref (view->priv->current_buffer); view->priv->current_buffer = NULL; } } static void on_notify_buffer_cb (XeditView *view, GParamSpec *arg1, gpointer userdata) { GtkTextBuffer *buffer; current_buffer_removed (view); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); if (buffer == NULL || !XEDIT_IS_DOCUMENT (buffer)) return; view->priv->current_buffer = g_object_ref (buffer); g_signal_connect (buffer, "notify::read-only", G_CALLBACK (document_read_only_notify_handler), view); gtk_text_view_set_editable (GTK_TEXT_VIEW (view), !xedit_document_get_readonly (XEDIT_DOCUMENT (buffer))); g_signal_connect (buffer, "search_highlight_updated", G_CALLBACK (search_highlight_updated_cb), view); } static void xedit_view_init (XeditView *view) { GtkTargetList *tl; xedit_debug (DEBUG_VIEW); view->priv = XEDIT_VIEW_GET_PRIVATE (view); /* * Set tab, fonts, wrap mode, colors, etc. according * to preferences */ if (!xedit_prefs_manager_get_use_default_font ()) { gchar *editor_font; editor_font = xedit_prefs_manager_get_editor_font (); xedit_view_set_font (view, FALSE, editor_font); g_free (editor_font); } else { xedit_view_set_font (view, TRUE, NULL); } g_object_set (G_OBJECT (view), "wrap_mode", xedit_prefs_manager_get_wrap_mode (), "show_line_numbers", xedit_prefs_manager_get_display_line_numbers (), "auto_indent", xedit_prefs_manager_get_auto_indent (), "tab_width", xedit_prefs_manager_get_tabs_size (), "insert_spaces_instead_of_tabs", xedit_prefs_manager_get_insert_spaces (), "show_right_margin", xedit_prefs_manager_get_display_right_margin (), "right_margin_position", xedit_prefs_manager_get_right_margin_position (), "highlight_current_line", xedit_prefs_manager_get_highlight_current_line (), "smart_home_end", xedit_prefs_manager_get_smart_home_end (), "indent_on_tab", TRUE, NULL); view->priv->typeselect_flush_timeout = 0; view->priv->wrap_around = TRUE; /* Drag and drop support */ tl = gtk_drag_dest_get_target_list (GTK_WIDGET (view)); if (tl != NULL) gtk_target_list_add_uri_targets (tl, TARGET_URI_LIST); /* Act on buffer change */ g_signal_connect (view, "notify::buffer", G_CALLBACK (on_notify_buffer_cb), NULL); } static void xedit_view_dispose (GObject *object) { XeditView *view; view = XEDIT_VIEW (object); if (view->priv->search_window != NULL) { gtk_widget_destroy (view->priv->search_window); view->priv->search_window = NULL; view->priv->search_entry = NULL; if (view->priv->typeselect_flush_timeout != 0) { g_source_remove (view->priv->typeselect_flush_timeout); view->priv->typeselect_flush_timeout = 0; } } /* Disconnect notify buffer because the destroy of the textview will set the buffer to NULL, and we call get_buffer in the notify which would reinstate a GtkTextBuffer which we don't want */ current_buffer_removed (view); g_signal_handlers_disconnect_by_func (view, on_notify_buffer_cb, NULL); (* G_OBJECT_CLASS (xedit_view_parent_class)->dispose) (object); } static void xedit_view_finalize (GObject *object) { XeditView *view; view = XEDIT_VIEW (object); current_buffer_removed (view); g_free (view->priv->old_search_text); (* G_OBJECT_CLASS (xedit_view_parent_class)->finalize) (object); } static gint xedit_view_focus_out (GtkWidget *widget, GdkEventFocus *event) { XeditView *view = XEDIT_VIEW (widget); gtk_widget_queue_draw (widget); /* hide interactive search dialog */ if (view->priv->search_window != NULL) hide_search_window (view, FALSE); (* GTK_WIDGET_CLASS (xedit_view_parent_class)->focus_out_event) (widget, event); return FALSE; } /** * xedit_view_new: * @doc: a #XeditDocument * * Creates a new #XeditView object displaying the @doc document. * @doc cannot be %NULL. * * Return value: a new #XeditView **/ GtkWidget * xedit_view_new (XeditDocument *doc) { GtkWidget *view; xedit_debug_message (DEBUG_VIEW, "START"); g_return_val_if_fail (XEDIT_IS_DOCUMENT (doc), NULL); view = GTK_WIDGET (g_object_new (XEDIT_TYPE_VIEW, "buffer", doc, NULL)); xedit_debug_message (DEBUG_VIEW, "END: %d", G_OBJECT (view)->ref_count); gtk_widget_show_all (view); return view; } void xedit_view_cut_clipboard (XeditView *view) { GtkTextBuffer *buffer; GtkClipboard *clipboard; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); g_return_if_fail (buffer != NULL); clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view), GDK_SELECTION_CLIPBOARD); /* FIXME: what is default editability of a buffer? */ gtk_text_buffer_cut_clipboard (buffer, clipboard, !xedit_document_get_readonly ( XEDIT_DOCUMENT (buffer))); gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), gtk_text_buffer_get_insert (buffer), XEDIT_VIEW_SCROLL_MARGIN, FALSE, 0.0, 0.0); } void xedit_view_copy_clipboard (XeditView *view) { GtkTextBuffer *buffer; GtkClipboard *clipboard; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); g_return_if_fail (buffer != NULL); clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view), GDK_SELECTION_CLIPBOARD); gtk_text_buffer_copy_clipboard (buffer, clipboard); /* on copy do not scroll, we are already on screen */ } void xedit_view_paste_clipboard (XeditView *view) { GtkTextBuffer *buffer; GtkClipboard *clipboard; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); g_return_if_fail (buffer != NULL); clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view), GDK_SELECTION_CLIPBOARD); /* FIXME: what is default editability of a buffer? */ gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, !xedit_document_get_readonly ( XEDIT_DOCUMENT (buffer))); gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), gtk_text_buffer_get_insert (buffer), XEDIT_VIEW_SCROLL_MARGIN, FALSE, 0.0, 0.0); } /** * xedit_view_delete_selection: * @view: a #XeditView * * Deletes the text currently selected in the #GtkTextBuffer associated * to the view and scroll to the cursor position. **/ void xedit_view_delete_selection (XeditView *view) { GtkTextBuffer *buffer = NULL; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); g_return_if_fail (buffer != NULL); /* FIXME: what is default editability of a buffer? */ gtk_text_buffer_delete_selection (buffer, TRUE, !xedit_document_get_readonly ( XEDIT_DOCUMENT (buffer))); gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), gtk_text_buffer_get_insert (buffer), XEDIT_VIEW_SCROLL_MARGIN, FALSE, 0.0, 0.0); } /** * xedit_view_select_all: * @view: a #XeditView * * Selects all the text displayed in the @view. **/ void xedit_view_select_all (XeditView *view) { GtkTextBuffer *buffer = NULL; GtkTextIter start, end; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); g_return_if_fail (buffer != NULL); gtk_text_buffer_get_bounds (buffer, &start, &end); gtk_text_buffer_select_range (buffer, &start, &end); } /** * xedit_view_scroll_to_cursor: * @view: a #XeditView * * Scrolls the @view to the cursor position. **/ void xedit_view_scroll_to_cursor (XeditView *view) { GtkTextBuffer* buffer = NULL; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); g_return_if_fail (buffer != NULL); gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view), gtk_text_buffer_get_insert (buffer), 0.25, FALSE, 0.0, 0.0); } /* FIXME this is an issue for introspection */ /** * xedit_view_set_font: * @view: a #XeditView * @def: whether to reset the default font * @font_name: the name of the font to use * * If @def is #TRUE, resets the font of the @view to the default font * otherwise sets it to @font_name. **/ void xedit_view_set_font (XeditView *view, gboolean def, const gchar *font_name) { PangoFontDescription *font_desc = NULL; xedit_debug (DEBUG_VIEW); g_return_if_fail (XEDIT_IS_VIEW (view)); if (def) { gchar *font; font = xedit_prefs_manager_get_system_font (); font_desc = pango_font_description_from_string (font); g_free (font); } else { g_return_if_fail (font_name != NULL); font_desc = pango_font_description_from_string (font_name); } g_return_if_fail (font_desc != NULL); gtk_widget_modify_font (GTK_WIDGET (view), font_desc); pango_font_description_free (font_desc); } static void add_search_completion_entry (const gchar *str) { gchar *text; gboolean valid; GtkTreeModel *model; GtkTreeIter iter; if (str == NULL) return; text = xedit_utils_unescape_search_text (str); if (g_utf8_strlen (text, -1) < MIN_SEARCH_COMPLETION_KEY_LEN) { g_free (text); return; } g_return_if_fail (GTK_IS_TREE_MODEL (search_completion_model)); model = GTK_TREE_MODEL (search_completion_model); /* Get the first iter in the list */ valid = gtk_tree_model_get_iter_first (model, &iter); while (valid) { /* Walk through the list, reading each row */ gchar *str_data; gtk_tree_model_get (model, &iter, 0, &str_data, -1); if (strcmp (text, str_data) == 0) { g_free (text); g_free (str_data); gtk_list_store_move_after (GTK_LIST_STORE (model), &iter, NULL); return; } g_free (str_data); valid = gtk_tree_model_iter_next (model, &iter); } gtk_list_store_prepend (GTK_LIST_STORE (model), &iter); gtk_list_store_set (GTK_LIST_STORE (model), &iter, 0, text, -1); g_free (text); } static void set_entry_state (GtkWidget *entry, XeditSearchEntryState state) { #if GTK_CHECK_VERSION (3, 0 ,0) GtkStyleContext *context = gtk_widget_get_style_context (GTK_WIDGET (entry)); #endif if (state == XEDIT_SEARCH_ENTRY_NOT_FOUND) { #if GTK_CHECK_VERSION (3, 0 ,0) gtk_style_context_add_class (context, GTK_STYLE_CLASS_ERROR); #else GdkColor red; GdkColor white; /* FIXME: a11y and theme */ gdk_color_parse ("#FF6666", &red); gdk_color_parse ("white", &white); gtk_widget_modify_base (entry, GTK_STATE_NORMAL, &red); gtk_widget_modify_text (entry, GTK_STATE_NORMAL, &white); #endif } else /* reset */ { #if GTK_CHECK_VERSION (3, 0 ,0) gtk_style_context_remove_class (context, GTK_STYLE_CLASS_ERROR); #else gtk_widget_modify_base (entry, GTK_STATE_NORMAL, NULL); gtk_widget_modify_text (entry, GTK_STATE_NORMAL, NULL); #endif } } static gboolean run_search (XeditView *view, const gchar *entry_text, gboolean search_backward, gboolean wrap_around, gboolean typing) { GtkTextIter start_iter; GtkTextIter match_start; GtkTextIter match_end; gboolean found = FALSE; XeditDocument *doc; g_return_val_if_fail (view->priv->search_mode == SEARCH, FALSE); doc = XEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view))); start_iter = view->priv->start_search_iter; if (*entry_text != '\0') { if (!search_backward) { if (!typing) { /* forward and _NOT_ typing */ gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc), &start_iter, &match_end); gtk_text_iter_order (&match_end, &start_iter); } /* run search */ found = xedit_document_search_forward (doc, &start_iter, NULL, &match_start, &match_end); } else if (!typing) { /* backward and not typing */ gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc), &start_iter, &match_end); /* run search */ found = xedit_document_search_backward (doc, NULL, &start_iter, &match_start, &match_end); } else { /* backward (while typing) */ g_return_val_if_reached (FALSE); } if (!found && wrap_around) { if (!search_backward) found = xedit_document_search_forward (doc, NULL, NULL, /* FIXME: set the end_inter */ &match_start, &match_end); else found = xedit_document_search_backward (doc, NULL, /* FIXME: set the start_inter */ NULL, &match_start, &match_end); } } else { gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc), &start_iter, NULL); } if (found) { gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (doc), &match_start); gtk_text_buffer_move_mark_by_name (GTK_TEXT_BUFFER (doc), "selection_bound", &match_end); } else { if (typing) { gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (doc), &view->priv->start_search_iter); } } if (found || (*entry_text == '\0')) { xedit_view_scroll_to_cursor (view); set_entry_state (view->priv->search_entry, XEDIT_SEARCH_ENTRY_NORMAL); } else { set_entry_state (view->priv->search_entry, XEDIT_SEARCH_ENTRY_NOT_FOUND); } return found; } /* Cut and paste from gtkwindow.c */ static void send_focus_change (GtkWidget *widget, gboolean in) { GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE); g_object_ref (widget); fevent->focus_change.type = GDK_FOCUS_CHANGE; fevent->focus_change.window = g_object_ref (gtk_widget_get_window (widget)); fevent->focus_change.in = in; gtk_widget_event (widget, fevent); g_object_notify (G_OBJECT (widget), "has-focus"); g_object_unref (widget); gdk_event_free (fevent); } static void hide_search_window (XeditView *view, gboolean cancel) { if (view->priv->disable_popdown) return; if (view->priv->search_entry_changed_id != 0) { g_signal_handler_disconnect (view->priv->search_entry, view->priv->search_entry_changed_id); view->priv->search_entry_changed_id = 0; } if (view->priv->typeselect_flush_timeout != 0) { g_source_remove (view->priv->typeselect_flush_timeout); view->priv->typeselect_flush_timeout = 0; } /* send focus-in event */ send_focus_change (GTK_WIDGET (view->priv->search_entry), FALSE); gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), TRUE); gtk_widget_hide (view->priv->search_window); if (cancel) { GtkTextBuffer *buffer; buffer = GTK_TEXT_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view))); gtk_text_buffer_place_cursor (buffer, &view->priv->start_search_iter); xedit_view_scroll_to_cursor (view); } /* make sure a focus event is sent for the edit area */ send_focus_change (GTK_WIDGET (view), TRUE); } static gboolean search_entry_flush_timeout (XeditView *view) { #if !GTK_CHECK_VERSION (3, 0, 0) GDK_THREADS_ENTER (); #endif view->priv->typeselect_flush_timeout = 0; hide_search_window (view, FALSE); #if !GTK_CHECK_VERSION (3, 0, 0) GDK_THREADS_LEAVE (); #endif return FALSE; } static void update_search_window_position (XeditView *view) { gint x, y; gint view_x, view_y; GdkWindow *view_window = gtk_widget_get_window (GTK_WIDGET (view)); gtk_widget_realize (view->priv->search_window); gdk_window_get_origin (view_window, &view_x, &view_y); x = MAX (12, view_x + 12); y = MAX (12, view_y - 12); gtk_window_move (GTK_WINDOW (view->priv->search_window), x, y); } static gboolean search_window_delete_event (GtkWidget *widget, GdkEventAny *event, XeditView *view) { hide_search_window (view, FALSE); return TRUE; } static gboolean search_window_button_press_event (GtkWidget *widget, GdkEventButton *event, XeditView *view) { hide_search_window (view, FALSE); gtk_propagate_event (GTK_WIDGET (view), (GdkEvent *)event); return FALSE; } static void search_again (XeditView *view, gboolean search_backward) { const gchar *entry_text; g_return_if_fail (view->priv->search_mode == SEARCH); /* SEARCH mode */ /* renew the flush timeout */ if (view->priv->typeselect_flush_timeout != 0) { g_source_remove (view->priv->typeselect_flush_timeout); view->priv->typeselect_flush_timeout = g_timeout_add (XEDIT_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc)search_entry_flush_timeout, view); } entry_text = gtk_entry_get_text (GTK_ENTRY (view->priv->search_entry)); add_search_completion_entry (entry_text); run_search (view, entry_text, search_backward, view->priv->wrap_around, FALSE); } static gboolean search_window_scroll_event (GtkWidget *widget, GdkEventScroll *event, XeditView *view) { gboolean retval = FALSE; if (view->priv->search_mode == GOTO_LINE) return retval; /* SEARCH mode */ if (event->direction == GDK_SCROLL_UP) { search_again (view, TRUE); retval = TRUE; } else if (event->direction == GDK_SCROLL_DOWN) { search_again (view, FALSE); retval = TRUE; } return retval; } static gboolean search_window_key_press_event (GtkWidget *widget, GdkEventKey *event, XeditView *view) { gboolean retval = FALSE; guint modifiers; modifiers = gtk_accelerator_get_default_mod_mask (); /* Close window */ if (event->keyval == GDK_KEY_Tab) { hide_search_window (view, FALSE); retval = TRUE; } /* Close window and cancel the search */ if (event->keyval == GDK_KEY_Escape) { if (view->priv->search_mode == SEARCH) { XeditDocument *doc; /* restore document search so that Find Next does the right thing */ doc = XEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view))); xedit_document_set_search_text (doc, view->priv->old_search_text, view->priv->old_search_flags); } hide_search_window (view, TRUE); retval = TRUE; } if (view->priv->search_mode == GOTO_LINE) return retval; /* SEARCH mode */ /* select previous matching iter */ if (event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_KP_Up) { search_again (view, TRUE); retval = TRUE; } if (((event->state & modifiers) == (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) && (event->keyval == GDK_KEY_g || event->keyval == GDK_KEY_G)) { search_again (view, TRUE); retval = TRUE; } /* select next matching iter */ if (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_KP_Down) { search_again (view, FALSE); retval = TRUE; } if (((event->state & modifiers) == GDK_CONTROL_MASK) && (event->keyval == GDK_KEY_g || event->keyval == GDK_KEY_G)) { search_again (view, FALSE); retval = TRUE; } return retval; } static void search_entry_activate (GtkEntry *entry, XeditView *view) { hide_search_window (view, FALSE); } static void wrap_around_menu_item_toggled (GtkCheckMenuItem *checkmenuitem, XeditView *view) { view->priv->wrap_around = gtk_check_menu_item_get_active (checkmenuitem); } static void match_entire_word_menu_item_toggled (GtkCheckMenuItem *checkmenuitem, XeditView *view) { XEDIT_SEARCH_SET_ENTIRE_WORD (view->priv->search_flags, gtk_check_menu_item_get_active (checkmenuitem)); } static void match_case_menu_item_toggled (GtkCheckMenuItem *checkmenuitem, XeditView *view) { XEDIT_SEARCH_SET_CASE_SENSITIVE (view->priv->search_flags, gtk_check_menu_item_get_active (checkmenuitem)); } static void parse_escapes_menu_item_toggled (GtkCheckMenuItem *checkmenuitem, XeditView *view) { XEDIT_SEARCH_SET_PARSE_ESCAPES (view->priv->search_flags, gtk_check_menu_item_get_active (checkmenuitem)); } static gboolean real_search_enable_popdown (gpointer data) { XeditView *view = (XeditView *)data; #if !GTK_CHECK_VERSION (3, 0, 0) GDK_THREADS_ENTER (); #endif view->priv->disable_popdown = FALSE; #if !GTK_CHECK_VERSION (3, 0, 0) GDK_THREADS_LEAVE (); #endif return FALSE; } static void search_enable_popdown (GtkWidget *widget, XeditView *view) { g_timeout_add (200, real_search_enable_popdown, view); /* renew the flush timeout */ if (view->priv->typeselect_flush_timeout != 0) g_source_remove (view->priv->typeselect_flush_timeout); view->priv->typeselect_flush_timeout = g_timeout_add (XEDIT_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc)search_entry_flush_timeout, view); } static void search_entry_populate_popup (GtkEntry *entry, GtkMenu *menu, XeditView *view) { GtkWidget *menu_item; view->priv->disable_popdown = TRUE; g_signal_connect (menu, "hide", G_CALLBACK (search_enable_popdown), view); if (view->priv->search_mode == GOTO_LINE) return; /* separator */ menu_item = gtk_menu_item_new (); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), menu_item); gtk_widget_show (menu_item); /* create "Wrap Around" menu item. */ menu_item = gtk_check_menu_item_new_with_mnemonic (_("_Wrap Around")); g_signal_connect (G_OBJECT (menu_item), "toggled", G_CALLBACK (wrap_around_menu_item_toggled), view); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), menu_item); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), view->priv->wrap_around); gtk_widget_show (menu_item); /* create "Match Entire Word Only" menu item. */ menu_item = gtk_check_menu_item_new_with_mnemonic (_("Match _Entire Word Only")); g_signal_connect (G_OBJECT (menu_item), "toggled", G_CALLBACK (match_entire_word_menu_item_toggled), view); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), menu_item); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), XEDIT_SEARCH_IS_ENTIRE_WORD (view->priv->search_flags)); gtk_widget_show (menu_item); /* create "Match Case" menu item. */ menu_item = gtk_check_menu_item_new_with_mnemonic (_("_Match Case")); g_signal_connect (G_OBJECT (menu_item), "toggled", G_CALLBACK (match_case_menu_item_toggled), view); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), menu_item); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), XEDIT_SEARCH_IS_CASE_SENSITIVE (view->priv->search_flags)); gtk_widget_show (menu_item); /* create "Parse escapes" menu item. */ menu_item = gtk_check_menu_item_new_with_mnemonic (_("_Parse escape sequences (e.g. \n)")); g_signal_connect (G_OBJECT (menu_item), "toggled", G_CALLBACK (parse_escapes_menu_item_toggled), view); gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), menu_item); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item), XEDIT_SEARCH_IS_PARSE_ESCAPES (view->priv->search_flags)); gtk_widget_show (menu_item); } static void search_entry_insert_text (GtkEditable *editable, const gchar *text, gint length, gint *position, XeditView *view) { if (view->priv->search_mode == GOTO_LINE) { gunichar c; const gchar *p; const gchar *end; const gchar *next; p = text; end = text + length; if (p == end) return; c = g_utf8_get_char (p); if (((c == '-' || c == '+') && *position == 0) || (c == ':' && *position != 0)) { gchar *s = NULL; if (c == ':') { s = gtk_editable_get_chars (editable, 0, -1); s = g_utf8_strchr (s, -1, ':'); } if (s == NULL || s == p) { next = g_utf8_next_char (p); p = next; } g_free (s); } while (p != end) { next = g_utf8_next_char (p); c = g_utf8_get_char (p); if (!g_unichar_isdigit (c)) { g_signal_stop_emission_by_name (editable, "insert_text"); gtk_widget_error_bell (view->priv->search_entry); break; } p = next; } } else { /* SEARCH mode */ static gboolean insert_text = FALSE; gchar *escaped_text; gint new_len; xedit_debug_message (DEBUG_SEARCH, "Text: %s", text); /* To avoid recursive behavior */ if (insert_text) return; escaped_text = xedit_utils_escape_search_text (text); xedit_debug_message (DEBUG_SEARCH, "Escaped Text: %s", escaped_text); new_len = strlen (escaped_text); if (new_len == length) { g_free (escaped_text); return; } insert_text = TRUE; g_signal_stop_emission_by_name (editable, "insert_text"); gtk_editable_insert_text (editable, escaped_text, new_len, position); insert_text = FALSE; g_free (escaped_text); } } static void customize_for_search_mode (XeditView *view) { if (view->priv->search_mode == SEARCH) { gtk_entry_set_icon_from_stock (GTK_ENTRY (view->priv->search_entry), GTK_ENTRY_ICON_PRIMARY, GTK_STOCK_FIND); gtk_widget_set_tooltip_text (view->priv->search_entry, _("String you want to search for")); } else { gtk_entry_set_icon_from_stock (GTK_ENTRY (view->priv->search_entry), GTK_ENTRY_ICON_PRIMARY, GTK_STOCK_JUMP_TO); gtk_widget_set_tooltip_text (view->priv->search_entry, _("Line you want to move the cursor to")); } } static gboolean completion_func (GtkEntryCompletion *completion, const char *key, GtkTreeIter *iter, gpointer data) { gchar *item = NULL; gboolean ret = FALSE; GtkTreeModel *model; XeditViewPrivate *priv = (XeditViewPrivate *)data; const gchar *real_key; if (priv->search_mode == GOTO_LINE) return FALSE; real_key = gtk_entry_get_text (GTK_ENTRY (gtk_entry_completion_get_entry (completion))); if (g_utf8_strlen (real_key, -1) <= MIN_SEARCH_COMPLETION_KEY_LEN) return FALSE; model = gtk_entry_completion_get_model (completion); g_return_val_if_fail (gtk_tree_model_get_column_type (model, 0) == G_TYPE_STRING, FALSE); gtk_tree_model_get (model, iter, 0, &item, -1); if (item == NULL) return FALSE; if (XEDIT_SEARCH_IS_CASE_SENSITIVE (priv->search_flags)) { if (!strncmp (real_key, item, strlen (real_key))) ret = TRUE; } else { gchar *normalized_string; gchar *case_normalized_string; normalized_string = g_utf8_normalize (item, -1, G_NORMALIZE_ALL); case_normalized_string = g_utf8_casefold (normalized_string, -1); if (!strncmp (key, case_normalized_string, strlen (key))) ret = TRUE; g_free (normalized_string); g_free (case_normalized_string); } g_free (item); return ret; } static void ensure_search_window (XeditView *view) { GtkWidget *frame; GtkWidget *vbox; GtkWidget *toplevel; GtkEntryCompletion *completion; GtkWindowGroup *group; GtkWindowGroup *search_group; toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view)); group = gtk_window_get_group (GTK_WINDOW (toplevel)); if (view->priv->search_window != NULL) search_group = gtk_window_get_group (GTK_WINDOW (view->priv->search_window)); if (view->priv->search_window != NULL) { if (group) gtk_window_group_add_window (group, GTK_WINDOW (view->priv->search_window)); else if (search_group) gtk_window_group_remove_window (search_group, GTK_WINDOW (view->priv->search_window)); customize_for_search_mode (view); return; } view->priv->search_window = gtk_window_new (GTK_WINDOW_POPUP); if (group) gtk_window_group_add_window (group, GTK_WINDOW (view->priv->search_window)); gtk_window_set_modal (GTK_WINDOW (view->priv->search_window), TRUE); g_signal_connect (view->priv->search_window, "delete_event", G_CALLBACK (search_window_delete_event), view); g_signal_connect (view->priv->search_window, "key_press_event", G_CALLBACK (search_window_key_press_event), view); g_signal_connect (view->priv->search_window, "button_press_event", G_CALLBACK (search_window_button_press_event), view); g_signal_connect (view->priv->search_window, "scroll_event", G_CALLBACK (search_window_scroll_event), view); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); gtk_widget_show (frame); gtk_container_add (GTK_CONTAINER (view->priv->search_window), frame); vbox = gtk_vbox_new (FALSE, 0); gtk_widget_show (vbox); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_container_set_border_width (GTK_CONTAINER (vbox), 3); /* add entry */ view->priv->search_entry = gtk_entry_new (); gtk_widget_show (view->priv->search_entry); g_signal_connect (view->priv->search_entry, "populate_popup", G_CALLBACK (search_entry_populate_popup), view); g_signal_connect (view->priv->search_entry, "activate", G_CALLBACK (search_entry_activate), view); g_signal_connect (view->priv->search_entry, "insert_text", G_CALLBACK (search_entry_insert_text), view); gtk_container_add (GTK_CONTAINER (vbox), view->priv->search_entry); if (search_completion_model == NULL) { /* Create a tree model and use it as the completion model */ search_completion_model = gtk_list_store_new (1, G_TYPE_STRING); } /* Create the completion object for the search entry */ completion = gtk_entry_completion_new (); gtk_entry_completion_set_model (completion, GTK_TREE_MODEL (search_completion_model)); /* Use model column 0 as the text column */ gtk_entry_completion_set_text_column (completion, 0); gtk_entry_completion_set_minimum_key_length (completion, MIN_SEARCH_COMPLETION_KEY_LEN); gtk_entry_completion_set_popup_completion (completion, FALSE); gtk_entry_completion_set_inline_completion (completion, TRUE); gtk_entry_completion_set_match_func (completion, completion_func, view->priv, NULL); /* Assign the completion to the entry */ gtk_entry_set_completion (GTK_ENTRY (view->priv->search_entry), completion); g_object_unref (completion); gtk_widget_realize (view->priv->search_entry); customize_for_search_mode (view); } static gboolean get_selected_text (GtkTextBuffer *doc, gchar **selected_text, gint *len) { GtkTextIter start, end; g_return_val_if_fail (selected_text != NULL, FALSE); g_return_val_if_fail (*selected_text == NULL, FALSE); if (!gtk_text_buffer_get_selection_bounds (doc, &start, &end)) { if (len != NULL) len = 0; return FALSE; } *selected_text = gtk_text_buffer_get_slice (doc, &start, &end, TRUE); if (len != NULL) *len = g_utf8_strlen (*selected_text, -1); return TRUE; } static void init_search_entry (XeditView *view) { GtkTextBuffer *buffer; buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); if (view->priv->search_mode == GOTO_LINE) { gint line; gchar *line_str; line = gtk_text_iter_get_line (&view->priv->start_search_iter); line_str = g_strdup_printf ("%d", line + 1); gtk_entry_set_text (GTK_ENTRY (view->priv->search_entry), line_str); g_free (line_str); return; } else { /* SEARCH mode */ gboolean selection_exists; gchar *find_text = NULL; gchar *old_find_text; guint old_find_flags = 0; gint sel_len = 0; old_find_text = xedit_document_get_search_text (XEDIT_DOCUMENT (buffer), &old_find_flags); if (old_find_text != NULL) { g_free (view->priv->old_search_text); view->priv->old_search_text = old_find_text; add_search_completion_entry (old_find_text); } if (old_find_flags != 0) { view->priv->old_search_flags = old_find_flags; } selection_exists = get_selected_text (buffer, &find_text, &sel_len); if (selection_exists && (find_text != NULL) && (sel_len <= 160)) { gtk_entry_set_text (GTK_ENTRY (view->priv->search_entry), find_text); } else { gtk_entry_set_text (GTK_ENTRY (view->priv->search_entry), ""); } g_free (find_text); } } static void search_init (GtkWidget *entry, XeditView *view) { XeditDocument *doc; const gchar *entry_text; /* renew the flush timeout */ if (view->priv->typeselect_flush_timeout != 0) { g_source_remove (view->priv->typeselect_flush_timeout); view->priv->typeselect_flush_timeout = g_timeout_add (XEDIT_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc)search_entry_flush_timeout, view); } doc = XEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view))); entry_text = gtk_entry_get_text (GTK_ENTRY (entry)); if (view->priv->search_mode == SEARCH) { gchar *search_text; guint search_flags; search_text = xedit_document_get_search_text (doc, &search_flags); if ((search_text == NULL) || (strcmp (search_text, entry_text) != 0) || search_flags != view->priv->search_flags) { xedit_document_set_search_text (doc, entry_text, view->priv->search_flags); } g_free (search_text); run_search (view, entry_text, FALSE, view->priv->wrap_around, TRUE); } else { if (*entry_text != '\0') { gboolean moved, moved_offset; gint line; gint offset_line = 0; gint line_offset = 0; gchar **split_text = NULL; const gchar *text; split_text = g_strsplit (entry_text, ":", -1); if (g_strv_length (split_text) > 1) { text = split_text[0]; } else { text = entry_text; } if (*text == '-') { gint cur_line = gtk_text_iter_get_line (&view->priv->start_search_iter); if (*(text + 1) != '\0') offset_line = MAX (atoi (text + 1), 0); line = MAX (cur_line - offset_line, 0); } else if (*entry_text == '+') { gint cur_line = gtk_text_iter_get_line (&view->priv->start_search_iter); if (*(text + 1) != '\0') offset_line = MAX (atoi (text + 1), 0); line = cur_line + offset_line; } else { line = MAX (atoi (text) - 1, 0); } if (split_text[1] != NULL) { line_offset = atoi (split_text[1]); } g_strfreev (split_text); moved = xedit_document_goto_line (doc, line); moved_offset = xedit_document_goto_line_offset (doc, line, line_offset); xedit_view_scroll_to_cursor (view); if (!moved || !moved_offset) set_entry_state (view->priv->search_entry, XEDIT_SEARCH_ENTRY_NOT_FOUND); else set_entry_state (view->priv->search_entry, XEDIT_SEARCH_ENTRY_NORMAL); } } } static gboolean start_interactive_search_real (XeditView *view) { GtkTextBuffer *buffer; if ((view->priv->search_window != NULL) && gtk_widget_get_visible (view->priv->search_window)) return TRUE; if (!gtk_widget_has_focus (view)) return FALSE; buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); if (view->priv->search_mode == SEARCH) gtk_text_buffer_get_selection_bounds (buffer, &view->priv->start_search_iter, NULL); else gtk_text_buffer_get_iter_at_mark (buffer, &view->priv->start_search_iter, gtk_text_buffer_get_insert (buffer)); ensure_search_window (view); /* done, show it */ update_search_window_position (view); gtk_widget_show (view->priv->search_window); if (view->priv->search_entry_changed_id == 0) { view->priv->search_entry_changed_id = g_signal_connect (view->priv->search_entry, "changed", G_CALLBACK (search_init), view); } init_search_entry (view); view->priv->typeselect_flush_timeout = g_timeout_add (XEDIT_VIEW_SEARCH_DIALOG_TIMEOUT, (GSourceFunc) search_entry_flush_timeout, view); gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE); gtk_widget_grab_focus (view->priv->search_entry); send_focus_change (view->priv->search_entry, TRUE); return TRUE; } static gboolean reset_searched_text (XeditView *view) { XeditDocument *doc; doc = XEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view))); xedit_document_set_search_text (doc, "", XEDIT_SEARCH_DONT_SET_FLAGS); return TRUE; } static gboolean start_interactive_search (XeditView *view) { view->priv->search_mode = SEARCH; return start_interactive_search_real (view); } static gboolean start_interactive_goto_line (XeditView *view) { view->priv->search_mode = GOTO_LINE; return start_interactive_search_real (view); } #if GTK_CHECK_VERSION (3, 0, 0) static gboolean xedit_view_draw (GtkWidget *widget, cairo_t *cr) #else static gint xedit_view_expose (GtkWidget *widget, GdkEventExpose *event) #endif { GtkTextView *text_view; XeditDocument *doc; #if GTK_CHECK_VERSION (3, 0, 0) GdkWindow *window; #endif text_view = GTK_TEXT_VIEW (widget); doc = XEDIT_DOCUMENT (gtk_text_view_get_buffer (text_view)); #if GTK_CHECK_VERSION (3, 0, 0) window = gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT); if (gtk_cairo_should_draw_window (cr, window) && #else if ((event->window == gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT)) && #endif xedit_document_get_enable_search_highlighting (doc)) { GdkRectangle visible_rect; GtkTextIter iter1, iter2; gtk_text_view_get_visible_rect (text_view, &visible_rect); gtk_text_view_get_line_at_y (text_view, &iter1, visible_rect.y, NULL); gtk_text_view_get_line_at_y (text_view, &iter2, visible_rect.y + visible_rect.height, NULL); gtk_text_iter_forward_line (&iter2); _xedit_document_search_region (doc, &iter1, &iter2); } #if GTK_CHECK_VERSION (3, 0, 0) return GTK_WIDGET_CLASS (xedit_view_parent_class)->draw (widget, cr); #else return (* GTK_WIDGET_CLASS (xedit_view_parent_class)->expose_event)(widget, event); #endif } static GdkAtom drag_get_uri_target (GtkWidget *widget, GdkDragContext *context) { GdkAtom target; GtkTargetList *tl; tl = gtk_target_list_new (NULL, 0); gtk_target_list_add_uri_targets (tl, 0); target = gtk_drag_dest_find_target (widget, context, tl); gtk_target_list_unref (tl); return target; } static gboolean xedit_view_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint timestamp) { gboolean result; /* Chain up to allow textview to scroll and position dnd mark, note * that this needs to be checked if gtksourceview or gtktextview * changes drag_motion behaviour */ result = GTK_WIDGET_CLASS (xedit_view_parent_class)->drag_motion (widget, context, x, y, timestamp); /* If this is a URL, deal with it here */ if (drag_get_uri_target (widget, context) != GDK_NONE) { gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), timestamp); result = TRUE; } return result; } static void xedit_view_drag_data_received (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint timestamp) { gchar **uri_list; /* If this is an URL emit DROP_URIS, otherwise chain up the signal */ if (info == TARGET_URI_LIST) { uri_list = xedit_utils_drop_get_uris (selection_data); if (uri_list != NULL) { g_signal_emit (widget, view_signals[DROP_URIS], 0, uri_list); g_strfreev (uri_list); gtk_drag_finish (context, TRUE, FALSE, timestamp); } } else { GTK_WIDGET_CLASS (xedit_view_parent_class)->drag_data_received (widget, context, x, y, selection_data, info, timestamp); } } static gboolean xedit_view_drag_drop (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint timestamp) { gboolean result; GdkAtom target; /* If this is a URL, just get the drag data */ target = drag_get_uri_target (widget, context); if (target != GDK_NONE) { gtk_drag_get_data (widget, context, target, timestamp); result = TRUE; } else { /* Chain up */ result = GTK_WIDGET_CLASS (xedit_view_parent_class)->drag_drop (widget, context, x, y, timestamp); } return result; } static void show_line_numbers_toggled (GtkMenu *menu, XeditView *view) { gboolean show; show = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menu)); xedit_prefs_manager_set_display_line_numbers (show); } static GtkWidget * create_line_numbers_menu (GtkWidget *view) { GtkWidget *menu; GtkWidget *item; menu = gtk_menu_new (); item = gtk_check_menu_item_new_with_mnemonic (_("_Display line numbers")); gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), gtk_source_view_get_show_line_numbers (GTK_SOURCE_VIEW (view))); g_signal_connect (item, "toggled", G_CALLBACK (show_line_numbers_toggled), view); gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); gtk_widget_show_all (menu); return menu; } static void show_line_numbers_menu (GtkWidget *view, GdkEventButton *event) { GtkWidget *menu; menu = create_line_numbers_menu (view); gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, event->button, event->time); } static gboolean xedit_view_button_press_event (GtkWidget *widget, GdkEventButton *event) { if ((event->type == GDK_BUTTON_PRESS) && (event->button == 3) && (event->window == gtk_text_view_get_window (GTK_TEXT_VIEW (widget), GTK_TEXT_WINDOW_LEFT))) { show_line_numbers_menu (widget, event); return TRUE; } return GTK_WIDGET_CLASS (xedit_view_parent_class)->button_press_event (widget, event); } static void search_highlight_updated_cb (XeditDocument *doc, GtkTextIter *start, GtkTextIter *end, XeditView *view) { GdkRectangle visible_rect; GdkRectangle updated_rect; GdkRectangle redraw_rect; gint y; gint height; GtkTextView *text_view; text_view = GTK_TEXT_VIEW (view); g_return_if_fail (xedit_document_get_enable_search_highlighting ( XEDIT_DOCUMENT (gtk_text_view_get_buffer (text_view)))); /* get visible area */ gtk_text_view_get_visible_rect (text_view, &visible_rect); /* get updated rectangle */ gtk_text_view_get_line_yrange (text_view, start, &y, &height); updated_rect.y = y; gtk_text_view_get_line_yrange (text_view, end, &y, &height); updated_rect.height = y + height - updated_rect.y; updated_rect.x = visible_rect.x; updated_rect.width = visible_rect.width; /* intersect both rectangles to see whether we need to queue a redraw */ if (gdk_rectangle_intersect (&updated_rect, &visible_rect, &redraw_rect)) { GdkRectangle widget_rect; gtk_text_view_buffer_to_window_coords (text_view, GTK_TEXT_WINDOW_WIDGET, redraw_rect.x, redraw_rect.y, &widget_rect.x, &widget_rect.y); widget_rect.width = redraw_rect.width; widget_rect.height = redraw_rect.height; gtk_widget_queue_draw_area (GTK_WIDGET (text_view), widget_rect.x, widget_rect.y, widget_rect.width, widget_rect.height); } } static void delete_line (GtkTextView *text_view, gint count) { GtkTextIter start; GtkTextIter end; GtkTextBuffer *buffer; buffer = gtk_text_view_get_buffer (text_view); gtk_text_view_reset_im_context (text_view); /* If there is a selection delete the selected lines and * ignore count */ if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) { gtk_text_iter_order (&start, &end); if (gtk_text_iter_starts_line (&end)) { /* Do no delete the line with the cursor if the cursor * is at the beginning of the line */ count = 0; } else count = 1; } gtk_text_iter_set_line_offset (&start, 0); if (count > 0) { gtk_text_iter_forward_lines (&end, count); if (gtk_text_iter_is_end (&end)) { if (gtk_text_iter_backward_line (&start) && !gtk_text_iter_ends_line (&start)) gtk_text_iter_forward_to_line_end (&start); } } else if (count < 0) { if (!gtk_text_iter_ends_line (&end)) gtk_text_iter_forward_to_line_end (&end); while (count < 0) { if (!gtk_text_iter_backward_line (&start)) break; ++count; } if (count == 0) { if (!gtk_text_iter_ends_line (&start)) gtk_text_iter_forward_to_line_end (&start); } else gtk_text_iter_forward_line (&end); } if (!gtk_text_iter_equal (&start, &end)) { GtkTextIter cur = start; gtk_text_iter_set_line_offset (&cur, 0); gtk_text_buffer_begin_user_action (buffer); gtk_text_buffer_place_cursor (buffer, &cur); gtk_text_buffer_delete_interactive (buffer, &start, &end, gtk_text_view_get_editable (text_view)); gtk_text_buffer_end_user_action (buffer); gtk_text_view_scroll_mark_onscreen (text_view, gtk_text_buffer_get_insert (buffer)); } else { gtk_widget_error_bell (GTK_WIDGET (text_view)); } } static void xedit_view_delete_from_cursor (GtkTextView *text_view, GtkDeleteType type, gint count) { /* We override the standard handler for delete_from_cursor since the GTK_DELETE_PARAGRAPHS case is not implemented as we like (i.e. it does not remove the carriage return in the previous line) */ switch (type) { case GTK_DELETE_PARAGRAPHS: delete_line (text_view, count); break; default: GTK_TEXT_VIEW_CLASS (xedit_view_parent_class)->delete_from_cursor(text_view, type, count); break; } }