mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-27 00:40:15 +03:00
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/*
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* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
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* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2004 Andrew Timmins <atimmins@blueyonder.co.uk>
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* Copyright 2004 John Tytgat <joty@netsurf-browser.org>
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* Copyright 2005 Adrian Lees <adrianl@users.sourceforge.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Textual input handling (implementation)
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <string.h>
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#include <dom/dom.h>
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#include "desktop/browser_private.h"
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#include "desktop/gui.h"
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#include "desktop/mouse.h"
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#include "desktop/scrollbar.h"
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#include "desktop/selection.h"
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#include "desktop/textinput.h"
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#include "render/box.h"
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#include "render/font.h"
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#include "render/form.h"
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#include "render/html_internal.h"
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#include "render/layout.h"
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#include "utils/log.h"
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#include "utils/talloc.h"
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#include "utils/utf8.h"
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#include "utils/utils.h"
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/* Define to enable textinput debug */
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#undef TEXTINPUT_DEBUG
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/**
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* Position the caret and assign a callback for key presses.
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*
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* \param bw The browser window in which to place the caret
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* \param x X coordinate of the caret
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* \param y Y coordinate
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* \param height Height of caret
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* \param clip Clip rectangle for caret, or NULL if none
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*/
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void browser_window_place_caret(struct browser_window *bw, int x, int y,
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int height, const struct rect *clip)
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{
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struct browser_window *root_bw;
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int pos_x = 0;
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int pos_y = 0;
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struct rect cr;
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struct rect *crp = NULL;
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/* Find top level browser window */
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root_bw = browser_window_get_root(bw);
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browser_window_get_position(bw, true, &pos_x, &pos_y);
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x = x * bw->scale + pos_x;
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y = y * bw->scale + pos_y;
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if (clip != NULL) {
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cr = *clip;
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cr.x0 += pos_x;
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cr.y0 += pos_y;
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cr.x1 += pos_x;
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cr.y1 += pos_y;
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crp = &cr;
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}
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/* TODO: intersect with bw viewport */
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gui_window_place_caret(root_bw->window, x, y, height * bw->scale, crp);
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/* Set focus browser window */
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root_bw->focus = bw;
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root_bw->can_edit = true;
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}
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/**
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* Removes the caret and callback for key process.
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*
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* \param bw The browser window from which to remove caret
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*/
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void browser_window_remove_caret(struct browser_window *bw, bool only_hide)
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{
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struct browser_window *root_bw;
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root_bw = browser_window_get_root(bw);
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assert(root_bw != NULL);
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if (only_hide)
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root_bw->can_edit = true;
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else
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root_bw->can_edit = false;
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if (root_bw->window)
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gui_window_remove_caret(root_bw->window);
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}
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/**
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* Handle key presses in a browser window.
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*
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* \param bw The root browser window
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* \param key The UCS4 character codepoint
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* \return true if key handled, false otherwise
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*/
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bool browser_window_key_press(struct browser_window *bw, uint32_t key)
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{
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struct browser_window *focus = bw->focus;
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assert(bw->window != NULL);
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if (focus == NULL)
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focus = bw;
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if (focus->current_content == NULL)
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return false;
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return content_keypress(focus->current_content, key);
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}
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