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-rw-r--r--e-util/e-text-event-processor-emacs-like.c499
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diff --git a/e-util/e-text-event-processor-emacs-like.c b/e-util/e-text-event-processor-emacs-like.c
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--- a/e-util/e-text-event-processor-emacs-like.c
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@@ -1,499 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* e-text-event-processor.c
- * Copyright (C) 2000 Helix Code, Inc.
- * Author: Chris Lahey <clahey@helixcode.com>
- *
- * This library 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 library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include <string.h>
-#include <gdk/gdkkeysyms.h>
-#include <gtk/gtksignal.h>
-#include "e-text-event-processor-emacs-like.h"
-
-static void e_text_event_processor_emacs_like_init (ETextEventProcessorEmacsLike *card);
-static void e_text_event_processor_emacs_like_class_init (ETextEventProcessorEmacsLikeClass *klass);
-static gint e_text_event_processor_emacs_like_event (ETextEventProcessor *tep, ETextEventProcessorEvent *event);
-
-static ETextEventProcessorClass *parent_class = NULL;
-
-/* The arguments we take */
-enum {
- ARG_0
-};
-
-static const ETextEventProcessorCommand control_keys[26] =
-{
- { E_TEP_START_OF_LINE, E_TEP_MOVE, 0, "" }, /* a */
- { E_TEP_BACKWARD_CHARACTER, E_TEP_MOVE, 0, "" }, /* b */
- { E_TEP_SELECTION, E_TEP_COPY, 0, "" }, /* c */
- { E_TEP_FORWARD_CHARACTER, E_TEP_DELETE, 0, "" }, /* d */
- { E_TEP_END_OF_LINE, E_TEP_MOVE, 0, "" }, /* e */
- { E_TEP_FORWARD_CHARACTER, E_TEP_MOVE, 0, "" }, /* f */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* g */
- { E_TEP_BACKWARD_CHARACTER, E_TEP_DELETE, 0, "" }, /* h */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* i */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* j */
- { E_TEP_END_OF_LINE, E_TEP_DELETE, 0, "" }, /* k */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* l */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* m */
- { E_TEP_FORWARD_LINE, E_TEP_MOVE, 0, "" }, /* n */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* o */
- { E_TEP_BACKWARD_LINE, E_TEP_MOVE, 0, "" }, /* p */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* q */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* r */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* s */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* t */
- { E_TEP_START_OF_LINE, E_TEP_DELETE, 0, "" }, /* u */
- { E_TEP_SELECTION, E_TEP_PASTE, 0, "" }, /* v */
- { E_TEP_SELECTION, E_TEP_DELETE, 0, "" }, /* w */
- { E_TEP_SELECTION, E_TEP_DELETE, 0, "" }, /* x */
- { E_TEP_SELECTION, E_TEP_PASTE, 0, "" }, /* y */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" } /* z */
-};
-
-static const ETextEventProcessorCommand alt_keys[26] =
-{
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* a */
- { E_TEP_BACKWARD_WORD, E_TEP_MOVE, 0, "" }, /* b */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* c */
- { E_TEP_FORWARD_WORD, E_TEP_DELETE, 0, "" }, /* d */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* e */
- { E_TEP_FORWARD_WORD, E_TEP_MOVE, 0, "" }, /* f */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* g */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* h */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* i */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* j */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* k */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* l */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* m */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* n */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* o */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* p */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* q */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* r */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* s */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* t */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* u */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* v */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* w */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* x */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" }, /* y */
- { E_TEP_SELECTION, E_TEP_NOP, 0, "" } /* z */
-
-};
-
-GtkType
-e_text_event_processor_emacs_like_get_type (void)
-{
- static GtkType text_event_processor_emacs_like_type = 0;
-
- if (!text_event_processor_emacs_like_type)
- {
- static const GtkTypeInfo text_event_processor_emacs_like_info =
- {
- "ETextEventProcessorEmacsLike",
- sizeof (ETextEventProcessorEmacsLike),
- sizeof (ETextEventProcessorEmacsLikeClass),
- (GtkClassInitFunc) e_text_event_processor_emacs_like_class_init,
- (GtkObjectInitFunc) e_text_event_processor_emacs_like_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- text_event_processor_emacs_like_type = gtk_type_unique (e_text_event_processor_get_type (), &text_event_processor_emacs_like_info);
- }
-
- return text_event_processor_emacs_like_type;
-}
-
-static void
-e_text_event_processor_emacs_like_class_init (ETextEventProcessorEmacsLikeClass *klass)
-{
- GtkObjectClass *object_class;
- ETextEventProcessorClass *processor_class;
-
- object_class = (GtkObjectClass*) klass;
- processor_class = (ETextEventProcessorClass*) klass;
-
- parent_class = gtk_type_class (e_text_event_processor_get_type ());
-
- processor_class->event = e_text_event_processor_emacs_like_event;
-}
-
-static void
-e_text_event_processor_emacs_like_init (ETextEventProcessorEmacsLike *tep)
-{
-}
-
-static gint
-e_text_event_processor_emacs_like_event (ETextEventProcessor *tep, ETextEventProcessorEvent *event)
-{
- ETextEventProcessorCommand command;
- ETextEventProcessorEmacsLike *tep_el = E_TEXT_EVENT_PROCESSOR_EMACS_LIKE(tep);
- command.action = E_TEP_NOP;
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- if (event->button.button == 1) {
- command.action = E_TEP_GRAB;
- command.time = event->button.time;
- gtk_signal_emit_by_name (GTK_OBJECT (tep), "command", &command);
- if (event->button.state & GDK_SHIFT_MASK)
- command.action = E_TEP_SELECT;
- else
- command.action = E_TEP_MOVE;
- command.position = E_TEP_VALUE;
- command.value = event->button.position;
- command.time = event->button.time;
- tep_el->mouse_down = TRUE;
- }
- break;
- case GDK_2BUTTON_PRESS:
- if (event->button.button == 1) {
- command.action = E_TEP_SELECT;
- command.position = E_TEP_SELECT_WORD;
- command.time = event->button.time;
- }
- break;
- case GDK_3BUTTON_PRESS:
- if (event->button.button == 1) {
- command.action = E_TEP_SELECT;
- command.position = E_TEP_SELECT_ALL;
- command.time = event->button.time;
- }
- break;
- case GDK_BUTTON_RELEASE:
- if (event->button.button == 1) {
- command.action = E_TEP_UNGRAB;
- command.time = event->button.time;
- gtk_signal_emit_by_name (GTK_OBJECT (tep), "command", &command);
- command.time = event->button.time;
- tep_el->mouse_down = FALSE;
- command.action = E_TEP_NOP;
- } else if (event->button.button == 2) {
- command.action = E_TEP_MOVE;
- command.position = E_TEP_VALUE;
- command.value = event->button.position;
- command.time = event->button.time;
- gtk_signal_emit_by_name (GTK_OBJECT (tep), "command", &command);
-
- command.action = E_TEP_GET_SELECTION;
- command.position = E_TEP_SELECTION;
- command.value = 0;
- command.time = event->button.time;
- }
- break;
- case GDK_MOTION_NOTIFY:
- if (tep_el->mouse_down) {
- command.action = E_TEP_SELECT;
- command.position = E_TEP_VALUE;
- command.time = event->motion.time;
- command.value = event->motion.position;
- }
- break;
- case GDK_KEY_PRESS:
- {
- ETextEventProcessorEventKey key = event->key;
- command.time = event->key.time;
- if (key.state & GDK_SHIFT_MASK)
- command.action = E_TEP_SELECT;
- else
- command.action = E_TEP_MOVE;
- switch(key.keyval) {
- case GDK_Home:
- case GDK_KP_Home:
- if (key.state & GDK_CONTROL_MASK)
- command.position = E_TEP_START_OF_BUFFER;
- else
- command.position = E_TEP_START_OF_LINE;
- break;
- case GDK_End:
- case GDK_KP_End:
- if (key.state & GDK_CONTROL_MASK)
- command.position = E_TEP_END_OF_BUFFER;
- else
- command.position = E_TEP_END_OF_LINE;
- break;
- case GDK_Page_Up:
- case GDK_KP_Page_Up: command.position = E_TEP_BACKWARD_PAGE; break;
-
- case GDK_Page_Down:
- case GDK_KP_Page_Down: command.position = E_TEP_FORWARD_PAGE; break;
- /* CUA has Ctrl-Up/Ctrl-Down as paragraph up down */
- case GDK_Up:
- case GDK_KP_Up: command.position = E_TEP_BACKWARD_LINE; break;
-
- case GDK_Down:
- case GDK_KP_Down: command.position = E_TEP_FORWARD_LINE; break;
-
- case GDK_Left:
- case GDK_KP_Left:
- if (key.state & GDK_CONTROL_MASK)
- command.position = E_TEP_BACKWARD_WORD;
- else
- command.position = E_TEP_BACKWARD_CHARACTER;
- break;
- case GDK_Right:
- case GDK_KP_Right:
- if (key.state & GDK_CONTROL_MASK)
- command.position = E_TEP_FORWARD_WORD;
- else
- command.position = E_TEP_FORWARD_CHARACTER;
- break;
-
- case GDK_BackSpace:
- command.action = E_TEP_DELETE;
- if (key.state & GDK_CONTROL_MASK)
- command.position = E_TEP_BACKWARD_WORD;
- else
- command.position = E_TEP_BACKWARD_CHARACTER;
- break;
- case GDK_Clear:
- command.action = E_TEP_DELETE;
- command.position = E_TEP_END_OF_LINE;
- break;
- case GDK_Insert:
- case GDK_KP_Insert:
- if (key.state & GDK_SHIFT_MASK) {
- command.action = E_TEP_PASTE;
- command.position = E_TEP_SELECTION;
- } else if (key.state & GDK_CONTROL_MASK) {
- command.action = E_TEP_COPY;
- command.position = E_TEP_SELECTION;
- } else {
- /* gtk_toggle_insert(text) -- IMPLEMENT -- FIXME */
- }
- break;
- case GDK_Delete:
- case GDK_KP_Delete:
- if (key.state & GDK_CONTROL_MASK){
- command.action = E_TEP_DELETE;
- command.position = E_TEP_FORWARD_WORD;
- } else if (key.state & GDK_SHIFT_MASK) {
- command.action = E_TEP_COPY;
- command.position = E_TEP_SELECTION;
- gtk_signal_emit_by_name (GTK_OBJECT (tep), "command", &command);
-
- command.action = E_TEP_DELETE;
- command.position = E_TEP_SELECTION;
- } else {
- command.action = E_TEP_DELETE;
- command.position = E_TEP_FORWARD_CHARACTER;
- }
- break;
- case GDK_Tab:
- case GDK_KP_Tab:
- case GDK_ISO_Left_Tab:
- case GDK_3270_BackTab:
- /* Don't insert literally */
- command.action = E_TEP_NOP;
- command.position = E_TEP_SELECTION;
- break;
- case GDK_Return:
- case GDK_KP_Enter:
- if (tep->allow_newlines) {
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "\n";
- } else {
- command.action = E_TEP_ACTIVATE;
- command.position = E_TEP_SELECTION;
- }
- break;
- case GDK_Escape:
- /* Don't insert literally */
- command.action = E_TEP_NOP;
- command.position = E_TEP_SELECTION;
- break;
-
- case GDK_KP_Space:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = " ";
- break;
- case GDK_KP_Equal:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "=";
- break;
- case GDK_KP_Multiply:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "*";
- break;
- case GDK_KP_Add:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "+";
- break;
- case GDK_KP_Subtract:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "-";
- break;
- case GDK_KP_Decimal:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = ".";
- break;
- case GDK_KP_Divide:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "/";
- break;
- case GDK_KP_0:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "0";
- break;
- case GDK_KP_1:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "1";
- break;
- case GDK_KP_2:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "2";
- break;
- case GDK_KP_3:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "3";
- break;
- case GDK_KP_4:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "4";
- break;
- case GDK_KP_5:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "5";
- break;
- case GDK_KP_6:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "6";
- break;
- case GDK_KP_7:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "7";
- break;
- case GDK_KP_8:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "8";
- break;
- case GDK_KP_9:
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = 1;
- command.string = "9";
- break;
-
- default:
- if (key.state & GDK_CONTROL_MASK) {
- if ((key.keyval >= 'A') && (key.keyval <= 'Z'))
- key.keyval -= 'A' - 'a';
-
- if ((key.keyval >= 'a') && (key.keyval <= 'z')) {
- command.position = control_keys[(int) (key.keyval - 'a')].position;
- if (control_keys[(int) (key.keyval - 'a')].action != E_TEP_MOVE)
- command.action = control_keys[(int) (key.keyval - 'a')].action;
- command.value = control_keys[(int) (key.keyval - 'a')].value;
- command.string = control_keys[(int) (key.keyval - 'a')].string;
- }
-
- if (key.keyval == 'x' || key.keyval == 'w') {
- command.action = E_TEP_COPY;
- command.position = E_TEP_SELECTION;
- gtk_signal_emit_by_name (GTK_OBJECT (tep), "command", &command);
-
- command.action = E_TEP_DELETE;
- command.position = E_TEP_SELECTION;
- }
-
- break;
- } else if (key.state & GDK_MOD1_MASK) {
- if ((key.keyval >= 'A') && (key.keyval <= 'Z'))
- key.keyval -= 'A' - 'a';
-
- if ((key.keyval >= 'a') && (key.keyval <= 'z')) {
- command.position = alt_keys[(int) (key.keyval - 'a')].position;
- if (alt_keys[(int) (key.keyval - 'a')].action != E_TEP_MOVE)
- command.action = alt_keys[(int) (key.keyval - 'a')].action;
- command.value = alt_keys[(int) (key.keyval - 'a')].value;
- command.string = alt_keys[(int) (key.keyval - 'a')].string;
- }
- } else if (key.length > 0) {
- if (key.keyval >= GDK_KP_0 && key.keyval <= GDK_KP_9) {
- key.keyval = '0';
- key.string = "0";
- }
- command.action = E_TEP_INSERT;
- command.position = E_TEP_SELECTION;
- command.value = strlen(key.string);
- command.string = key.string;
-
- } else {
- command.action = E_TEP_NOP;
- }
- }
- break;
- case GDK_KEY_RELEASE:
- command.time = event->key.time;
- command.action = E_TEP_NOP;
- break;
- default:
- command.action = E_TEP_NOP;
- break;
- }
- }
- if (command.action != E_TEP_NOP) {
- gtk_signal_emit_by_name (GTK_OBJECT (tep), "command", &command);
- return 1;
- }
- else
- return 0;
-}
-
-ETextEventProcessor *
-e_text_event_processor_emacs_like_new (void)
-{
- ETextEventProcessorEmacsLike *retval = gtk_type_new (e_text_event_processor_emacs_like_get_type ());
- return E_TEXT_EVENT_PROCESSOR (retval);
-}
-