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diff --git a/frontends/kolibrios/fb/fbtk/event.c b/frontends/kolibrios/fb/fbtk/event.c
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+/*
+ * Copyright 2010 Vincent Sanders <vince@simtec.co.uk>
+ *
+ * Framebuffer windowing toolkit event processing.
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <libnsfb.h>
+#include <libnsfb_plot.h>
+#include <libnsfb_plot_util.h>
+#include <libnsfb_event.h>
+#include <libnsfb_cursor.h>
+
+#include "utils/utils.h"
+#include "utils/log.h"
+#include "netsurf/browser_window.h"
+#include "netsurf/keypress.h"
+
+#include "framebuffer/gui.h"
+#include "framebuffer/fbtk.h"
+#include "framebuffer/image_data.h"
+
+#include "widget.h"
+
+/* exported function documented in fbtk.h */
+void
+fbtk_input(fbtk_widget_t *root, nsfb_event_t *event)
+{
+ fbtk_widget_t *input;
+
+ root = fbtk_get_root_widget(root);
+
+ /* obtain widget with input focus */
+ input = root->u.root.input;
+ if (input == NULL) {
+ LOG("No widget has input focus.");
+ return; /* no widget with input */
+ }
+
+ fbtk_post_callback(input, FBTK_CBT_INPUT, event);
+}
+
+/* exported function documented in fbtk.h */
+void
+fbtk_click(fbtk_widget_t *widget, nsfb_event_t *event)
+{
+ fbtk_widget_t *root;
+ fbtk_widget_t *clicked;
+ nsfb_bbox_t cloc;
+ int x, y;
+
+ /* ensure we have the root widget */
+ root = fbtk_get_root_widget(widget);
+
+ nsfb_cursor_loc_get(root->u.root.fb, &cloc);
+
+ clicked = fbtk_get_widget_at(root, cloc.x0, cloc.y0);
+
+ if (clicked == NULL)
+ return;
+
+ if (fbtk_get_handler(clicked, FBTK_CBT_INPUT) != NULL) {
+ fbtk_set_focus(clicked);
+ }
+
+ x = fbtk_get_absx(clicked);
+ y = fbtk_get_absy(clicked);
+
+ LOG("clicked %p at %d,%d", clicked, x, y);
+
+ /* post the click */
+ fbtk_post_callback(clicked, FBTK_CBT_CLICK, event, cloc.x0 - x, cloc.y0 - y);
+}
+
+/* exported function documented in fbtk.h */
+bool
+fbtk_tgrab_pointer(fbtk_widget_t *widget)
+{
+ fbtk_widget_t *root;
+
+ /* ensure we have the root widget */
+ root = fbtk_get_root_widget(widget);
+
+ if (root->u.root.grabbed == widget) {
+ /* release pointer grab */
+ root->u.root.grabbed = NULL;
+ return true;
+ } else if (root->u.root.grabbed == NULL) {
+ /* set pointer grab */
+ root->u.root.grabbed = widget;
+ return true;
+ }
+ /* pointer was already grabbed */
+ return false;
+}
+
+/* exported function documented in fbtk.h */
+void
+fbtk_warp_pointer(fbtk_widget_t *widget, int x, int y, bool relative)
+{
+ fbtk_widget_t *root;
+ fbtk_widget_t *moved;
+ nsfb_bbox_t cloc;
+
+ /* ensure we have the root widget */
+ root = fbtk_get_root_widget(widget);
+
+ if (relative) {
+ nsfb_cursor_loc_get(root->u.root.fb, &cloc);
+ cloc.x0 += x;
+ cloc.y0 += y;
+ } else {
+ cloc.x0 = x;
+ cloc.y0 = y;
+ }
+
+ /* ensure cursor location lies within the root widget */
+ if (cloc.x0 < root->x)
+ cloc.x0 = root->x;
+ if (cloc.x0 >= (root->x + root->width))
+ cloc.x0 = (root->x + root->width) - 1;
+ if (cloc.y0 < root->y)
+ cloc.y0 = root->y;
+ if (cloc.y0 >= (root->y + root->height))
+ cloc.y0 = (root->y + root->height) - 1;
+
+ if (root->u.root.grabbed == NULL) {
+ /* update the pointer cursor */
+ nsfb_cursor_loc_set(root->u.root.fb, &cloc);
+
+ moved = fbtk_get_widget_at(root, cloc.x0, cloc.y0);
+
+ x = fbtk_get_absx(moved);
+ y = fbtk_get_absy(moved);
+
+ /* post enter and leaving messages */
+ if (moved != root->u.root.prev) {
+ fbtk_post_callback(root->u.root.prev, FBTK_CBT_POINTERLEAVE);
+ root->u.root.prev = moved;
+ fbtk_post_callback(root->u.root.prev, FBTK_CBT_POINTERENTER);
+ }
+ } else {
+ /* pointer movement has been grabbed by a widget */
+ moved = root->u.root.grabbed;
+
+ /* ensure pointer remains within widget boundary */
+ x = fbtk_get_absx(moved);
+ y = fbtk_get_absy(moved);
+
+ if (cloc.x0 < x)
+ cloc.x0 = x;
+ if (cloc.y0 < y)
+ cloc.y0 = y;
+ if (cloc.x0 > (x + moved->width))
+ cloc.x0 = (x + moved->width);
+ if (cloc.y0 > (y + moved->height))
+ cloc.y0 = (y + moved->height);
+
+ /* update the pointer cursor */
+ nsfb_cursor_loc_set(root->u.root.fb, &cloc);
+ }
+
+ /* post the movement */
+ fbtk_post_callback(moved, FBTK_CBT_POINTERMOVE, cloc.x0 - x, cloc.y0 - y);
+
+}
+
+/* exported function documented in fbtk.h */
+bool
+fbtk_event(fbtk_widget_t *root, nsfb_event_t *event, int timeout)
+{
+ nsfb_bbox_t cloc;
+ bool unused = false; /* is the event available */
+ bool move_pointer = false; /* whether pointer move events occured */
+
+ /* ensure we have the root widget */
+ root = fbtk_get_root_widget(root);
+
+ do {
+ if (nsfb_event(root->u.root.fb, event, timeout) == false) {
+ if (move_pointer)
+ fbtk_warp_pointer(root, cloc.x0, cloc.y0,
+ false);
+ return false;
+ }
+
+ if (move_pointer && event->type != NSFB_EVENT_MOVE_RELATIVE &&
+ event->type != NSFB_EVENT_MOVE_ABSOLUTE) {
+ /* Flush the movements */
+ fbtk_warp_pointer(root, cloc.x0, cloc.y0, false);
+
+ } else if (!move_pointer &&
+ event->type == NSFB_EVENT_MOVE_RELATIVE) {
+ /* Get current pointer coords */
+ nsfb_cursor_loc_get(root->u.root.fb, &cloc);
+ }
+
+ switch (event->type) {
+ case NSFB_EVENT_KEY_DOWN:
+ case NSFB_EVENT_KEY_UP:
+ if ((event->value.keycode >= NSFB_KEY_MOUSE_1) &&
+ (event->value.keycode <= NSFB_KEY_MOUSE_5)) {
+ fbtk_click(root, event);
+ } else {
+ fbtk_input(root, event);
+ }
+ break;
+
+ case NSFB_EVENT_CONTROL:
+ unused = true;
+ break;
+
+ case NSFB_EVENT_MOVE_RELATIVE:
+ /* Consecutive move events are consolidated into a
+ * single pointer warp */
+ move_pointer = true;
+ cloc.x0 += event->value.vector.x;
+ cloc.y0 += event->value.vector.y;
+ timeout = 0;
+ break;
+
+ case NSFB_EVENT_MOVE_ABSOLUTE:
+ /* Consecutive move events are consolidated into a
+ * single pointer warp */
+ move_pointer = true;
+ cloc.x0 = event->value.vector.x;
+ cloc.y0 = event->value.vector.y;
+ timeout = 0;
+ break;
+
+ case NSFB_EVENT_RESIZE:
+ /* Try to resize framebuffer */
+ gui_resize(root,
+ event->value.resize.w,
+ event->value.resize.h);
+ break;
+
+ default:
+ break;
+ }
+ } while (event->type == NSFB_EVENT_MOVE_RELATIVE ||
+ event->type == NSFB_EVENT_MOVE_ABSOLUTE);
+ return unused;
+}
+
+static int keymap[] = {
+ /* 0 1 2 3 4 5 6 7 8 9 */
+ -1, -1, -1, -1, -1, -1, -1, -1, 8, 9, /* 0 - 9 */
+ -1, -1, -1, 13, -1, -1, -1, -1, -1, -1, /* 10 - 19 */
+ -1, -1, -1, -1, -1, -1, -1, 27, -1, -1, /* 20 - 29 */
+ -1, -1, ' ', '!', '"', '#', '$', -1, '&','\'', /* 30 - 39 */
+ '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', /* 40 - 49 */
+ '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', /* 50 - 59 */
+ '<', '=', '>', '?', '@', -1, -1, -1, -1, -1, /* 60 - 69 */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 70 - 79 */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 80 - 89 */
+ -1, '[','\\', ']', '~', '_', '`', 'a', 'b', 'c', /* 90 - 99 */
+ 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', /* 100 - 109 */
+ 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', /* 110 - 119 */
+ 'x', 'y', 'z', -1, -1, -1, -1, -1, -1, -1, /* 120 - 129 */
+};
+
+static int sh_keymap[] = {
+ /* 0 1 2 3 4 5 6 7 8 9 */
+ -1, -1, -1, -1, -1, -1, -1, -1, 8, 9, /* 0 - 9 */
+ -1, -1, -1, 13, -1, -1, -1, -1, -1, -1, /* 10 - 19 */
+ -1, -1, -1, -1, -1, -1, -1, 27, -1, -1, /* 20 - 29 */
+ -1, -1, ' ', '!', '"', '~', '$', -1, '&', '@', /* 30 - 39 */
+ '(', ')', '*', '+', '<', '_', '>', '?', ')', '!', /* 40 - 49 */
+ '"', 243, '$', '%', '^', '&', '*', '(', ';', ':', /* 50 - 59 */
+ '<', '+', '>', '?', '@', -1, -1, -1, -1, -1, /* 60 - 69 */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 70 - 79 */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 80 - 89 */
+ -1, '{', '|', '}', '~', '_', 254, 'A', 'B', 'C', /* 90 - 99 */
+ 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', /* 100 - 109 */
+ 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', /* 110 - 119 */
+ 'X', 'Y', 'Z', -1, -1, -1, -1, -1, -1, -1, /* 120 - 129 */
+};
+
+
+/* exported function documented in fbtk.h */
+int
+fbtk_keycode_to_ucs4(int code, fbtk_modifier_type mods)
+{
+ int ucs4 = -1;
+
+ if (mods & FBTK_MOD_LSHIFT || mods & FBTK_MOD_RSHIFT) {
+ if ((code >= 0) && (code < (int) NOF_ELEMENTS(sh_keymap)))
+ ucs4 = sh_keymap[code];
+
+ } else if (mods == FBTK_MOD_CLEAR) {
+ if ((code >= 0) && (code < (int) NOF_ELEMENTS(keymap)))
+ ucs4 = keymap[code];
+
+ } else if (mods & FBTK_MOD_LCTRL || mods & FBTK_MOD_RCTRL) {
+ switch (code) {
+ case NSFB_KEY_a:
+ ucs4 = NS_KEY_SELECT_ALL;
+ break;
+
+ case NSFB_KEY_c:
+ ucs4 = NS_KEY_COPY_SELECTION;
+ break;
+
+ case NSFB_KEY_u:
+ ucs4 = NS_KEY_DELETE_LINE;
+ break;
+
+ case NSFB_KEY_v:
+ ucs4 = NS_KEY_PASTE;
+ break;
+
+ case NSFB_KEY_x:
+ ucs4 = NS_KEY_CUT_SELECTION;
+ break;
+
+ case NSFB_KEY_z:
+ ucs4 = NS_KEY_CLEAR_SELECTION;
+ break;
+ default:
+ break;
+ }
+ }
+ return ucs4;
+}
+
+/*
+ * Local Variables:
+ * c-basic-offset:8
+ * End:
+ */
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