diff options
Diffstat (limited to 'e-util/e-text-event-processor-emacs-like.c')
| -rw-r--r-- | e-util/e-text-event-processor-emacs-like.c | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/e-util/e-text-event-processor-emacs-like.c b/e-util/e-text-event-processor-emacs-like.c deleted file mode 100644 index 41bcd0c31d..0000000000 --- a/e-util/e-text-event-processor-emacs-like.c +++ /dev/null @@ -1,357 +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 <gnome.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_BACKWARD_WORD, E_TEP_DELETE, 0, "" }, /* w */ - { E_TEP_SELECTION, E_TEP_DELETE, 0, "" }, /* x */ - { E_TEP_SELECTION, E_TEP_NOP, 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_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; - } 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: - 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: - 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: command.position = E_TEP_BACKWARD_PAGE; break; - case GDK_Page_Down: command.position = E_TEP_FORWARD_PAGE; break; - /* CUA has Ctrl-Up/Ctrl-Down as paragraph up down */ - case GDK_Up: command.position = E_TEP_BACKWARD_LINE; break; - case GDK_Down: command.position = E_TEP_FORWARD_LINE; break; - case GDK_Left: - if (key.state & GDK_CONTROL_MASK) - command.position = E_TEP_BACKWARD_WORD; - else - command.position = E_TEP_BACKWARD_CHARACTER; - break; - case GDK_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: - 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 */ - } - break; - case GDK_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: - /* Don't insert literally */ - command.action = E_TEP_NOP; - command.position = E_TEP_SELECTION; - break; - case GDK_Return: - if (key.state & GDK_CONTROL_MASK) { - command.action = E_TEP_ACTIVATE; - command.position = E_TEP_SELECTION; - } else { - command.action = E_TEP_INSERT; - command.position = E_TEP_SELECTION; - command.value = 1; - command.string = "\n"; - } - break; - case GDK_Escape: - /* Don't insert literally */ - command.action = E_TEP_NOP; - command.position = E_TEP_SELECTION; - 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') { - 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) { - 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); -} - |