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1041 lines
28 KiB
1041 lines
28 KiB
/*
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* Copyright © 2012 Openismus GmbH
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* Copyright © 2012 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <linux/input.h>
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#include <cairo.h>
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#include "window.h"
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#include "input-method-unstable-v1-client-protocol.h"
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#include "text-input-unstable-v1-client-protocol.h"
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#include "shared/xalloc.h"
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struct keyboard;
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struct virtual_keyboard {
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struct zwp_input_panel_v1 *input_panel;
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struct zwp_input_method_v1 *input_method;
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struct zwp_input_method_context_v1 *context;
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struct display *display;
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struct output *output;
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char *preedit_string;
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uint32_t preedit_style;
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struct {
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xkb_mod_mask_t shift_mask;
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} keysym;
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uint32_t serial;
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uint32_t content_hint;
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uint32_t content_purpose;
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char *preferred_language;
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char *surrounding_text;
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uint32_t surrounding_cursor;
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struct keyboard *keyboard;
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bool toplevel;
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};
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enum key_type {
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keytype_default,
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keytype_backspace,
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keytype_enter,
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keytype_space,
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keytype_switch,
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keytype_symbols,
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keytype_tab,
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keytype_arrow_up,
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keytype_arrow_left,
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keytype_arrow_right,
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keytype_arrow_down,
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keytype_style
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};
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struct key {
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enum key_type key_type;
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char *label;
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char *uppercase;
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char *symbol;
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unsigned int width;
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};
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struct layout {
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const struct key *keys;
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uint32_t count;
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uint32_t columns;
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uint32_t rows;
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const char *language;
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uint32_t text_direction;
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};
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static const struct key normal_keys[] = {
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{ keytype_default, "q", "Q", "1", 1},
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{ keytype_default, "w", "W", "2", 1},
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{ keytype_default, "e", "E", "3", 1},
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{ keytype_default, "r", "R", "4", 1},
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{ keytype_default, "t", "T", "5", 1},
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{ keytype_default, "y", "Y", "6", 1},
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{ keytype_default, "u", "U", "7", 1},
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{ keytype_default, "i", "I", "8", 1},
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{ keytype_default, "o", "O", "9", 1},
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{ keytype_default, "p", "P", "0", 1},
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{ keytype_backspace, "<--", "<--", "<--", 2},
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{ keytype_tab, "->|", "->|", "->|", 1},
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{ keytype_default, "a", "A", "-", 1},
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{ keytype_default, "s", "S", "@", 1},
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{ keytype_default, "d", "D", "*", 1},
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{ keytype_default, "f", "F", "^", 1},
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{ keytype_default, "g", "G", ":", 1},
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{ keytype_default, "h", "H", ";", 1},
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{ keytype_default, "j", "J", "(", 1},
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{ keytype_default, "k", "K", ")", 1},
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{ keytype_default, "l", "L", "~", 1},
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{ keytype_enter, "Enter", "Enter", "Enter", 2},
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{ keytype_switch, "ABC", "abc", "ABC", 2},
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{ keytype_default, "z", "Z", "/", 1},
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{ keytype_default, "x", "X", "\'", 1},
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{ keytype_default, "c", "C", "\"", 1},
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{ keytype_default, "v", "V", "+", 1},
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{ keytype_default, "b", "B", "=", 1},
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{ keytype_default, "n", "N", "?", 1},
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{ keytype_default, "m", "M", "!", 1},
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{ keytype_default, ",", ",", "\\", 1},
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{ keytype_default, ".", ".", "|", 1},
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{ keytype_switch, "ABC", "abc", "ABC", 1},
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{ keytype_symbols, "?123", "?123", "abc", 1},
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{ keytype_space, "", "", "", 5},
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{ keytype_arrow_up, "/\\", "/\\", "/\\", 1},
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{ keytype_arrow_left, "<", "<", "<", 1},
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{ keytype_arrow_right, ">", ">", ">", 1},
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{ keytype_arrow_down, "\\/", "\\/", "\\/", 1},
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{ keytype_style, "", "", "", 2}
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};
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static const struct key numeric_keys[] = {
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{ keytype_default, "1", "1", "1", 1},
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{ keytype_default, "2", "2", "2", 1},
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{ keytype_default, "3", "3", "3", 1},
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{ keytype_default, "4", "4", "4", 1},
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{ keytype_default, "5", "5", "5", 1},
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{ keytype_default, "6", "6", "6", 1},
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{ keytype_default, "7", "7", "7", 1},
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{ keytype_default, "8", "8", "8", 1},
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{ keytype_default, "9", "9", "9", 1},
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{ keytype_default, "0", "0", "0", 1},
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{ keytype_backspace, "<--", "<--", "<--", 2},
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{ keytype_space, "", "", "", 4},
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{ keytype_enter, "Enter", "Enter", "Enter", 2},
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{ keytype_arrow_up, "/\\", "/\\", "/\\", 1},
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{ keytype_arrow_left, "<", "<", "<", 1},
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{ keytype_arrow_right, ">", ">", ">", 1},
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{ keytype_arrow_down, "\\/", "\\/", "\\/", 1},
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{ keytype_style, "", "", "", 2}
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};
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static const struct key arabic_keys[] = {
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{ keytype_default, "ض", "ﹶ", "۱", 1},
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{ keytype_default, "ص", "ﹰ", "۲", 1},
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{ keytype_default, "ث", "ﹸ", "۳", 1},
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{ keytype_default, "ق", "ﹲ", "۴", 1},
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{ keytype_default, "ف", "ﻹ", "۵", 1},
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{ keytype_default, "غ", "ﺇ", "۶", 1},
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{ keytype_default, "ع", "`", "۷", 1},
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{ keytype_default, "ه", "٪", "۸", 1},
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{ keytype_default, "خ", ">", "۹", 1},
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{ keytype_default, "ح", "<", "۰", 1},
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{ keytype_backspace, "-->", "-->", "-->", 2},
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{ keytype_tab, "->|", "->|", "->|", 1},
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{ keytype_default, "ش", "ﹺ", "ﹼ", 1},
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{ keytype_default, "س", "ﹴ", "!", 1},
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{ keytype_default, "ي", "[", "@", 1},
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{ keytype_default, "ب", "]", "#", 1},
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{ keytype_default, "ل", "ﻷ", "$", 1},
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{ keytype_default, "ا", "أ", "%", 1},
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{ keytype_default, "ت", "-", "^", 1},
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{ keytype_default, "ن", "x", "&", 1},
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{ keytype_default, "م", "/", "*", 1},
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{ keytype_default, "ك", ":", "_", 1},
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{ keytype_default, "د", "\"", "+", 1},
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{ keytype_enter, "Enter", "Enter", "Enter", 2},
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{ keytype_switch, "Shift", "Base", "Shift", 2},
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{ keytype_default, "ئ", "~", ")", 1},
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{ keytype_default, "ء", "°", "(", 1},
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{ keytype_default, "ؤ", "{", "\"", 1},
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{ keytype_default, "ر", "}", "\'", 1},
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{ keytype_default, "ى", "ﺁ", "؟", 1},
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{ keytype_default, "ة", "'", "!", 1},
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{ keytype_default, "و", ",", ";", 1},
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{ keytype_default, "ﺯ", ".", "\\", 1},
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{ keytype_default, "ظ", "؟", "=", 1},
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{ keytype_switch, "Shift", "Base", "Shift", 2},
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{ keytype_symbols, "؟٣٢١", "؟٣٢١", "Base", 1},
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{ keytype_default, "ﻻ", "ﻵ", "|", 1},
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{ keytype_default, ",", "،", "،", 1},
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{ keytype_space, "", "", "", 6},
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{ keytype_default, ".", "ذ", "]", 1},
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{ keytype_default, "ط", "ﺝ", "[", 1},
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{ keytype_style, "", "", "", 2}
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};
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static const struct layout normal_layout = {
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normal_keys,
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sizeof(normal_keys) / sizeof(*normal_keys),
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12,
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4,
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"en",
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ZWP_TEXT_INPUT_V1_TEXT_DIRECTION_LTR
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};
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static const struct layout numeric_layout = {
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numeric_keys,
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sizeof(numeric_keys) / sizeof(*numeric_keys),
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12,
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2,
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"en",
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ZWP_TEXT_INPUT_V1_TEXT_DIRECTION_LTR
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};
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static const struct layout arabic_layout = {
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arabic_keys,
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sizeof(arabic_keys) / sizeof(*arabic_keys),
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13,
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4,
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"ar",
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ZWP_TEXT_INPUT_V1_TEXT_DIRECTION_RTL
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};
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static const char *style_labels[] = {
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"default",
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"none",
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"active",
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"inactive",
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"highlight",
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"underline",
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"selection",
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"incorrect"
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};
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static const double key_width = 60;
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static const double key_height = 50;
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enum keyboard_state {
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KEYBOARD_STATE_DEFAULT,
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KEYBOARD_STATE_UPPERCASE,
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KEYBOARD_STATE_SYMBOLS
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};
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struct keyboard {
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struct virtual_keyboard *keyboard;
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struct window *window;
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struct widget *widget;
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enum keyboard_state state;
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};
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static void __attribute__ ((format (printf, 1, 2)))
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dbg(const char *fmt, ...)
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{
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#ifdef DEBUG
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va_list argp;
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va_start(argp, fmt);
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vfprintf(stderr, fmt, argp);
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va_end(argp);
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#endif
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}
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static const char *
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label_from_key(struct keyboard *keyboard,
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const struct key *key)
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{
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if (key->key_type == keytype_style)
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return style_labels[keyboard->keyboard->preedit_style];
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switch(keyboard->state) {
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case KEYBOARD_STATE_DEFAULT:
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return key->label;
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case KEYBOARD_STATE_UPPERCASE:
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return key->uppercase;
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case KEYBOARD_STATE_SYMBOLS:
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return key->symbol;
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}
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return "";
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}
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static void
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draw_key(struct keyboard *keyboard,
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const struct key *key,
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cairo_t *cr,
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unsigned int row,
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unsigned int col)
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{
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const char *label;
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cairo_text_extents_t extents;
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cairo_save(cr);
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cairo_rectangle(cr,
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col * key_width, row * key_height,
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key->width * key_width, key_height);
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cairo_clip(cr);
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/* Paint frame */
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cairo_rectangle(cr,
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col * key_width, row * key_height,
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key->width * key_width, key_height);
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cairo_set_line_width(cr, 3);
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cairo_stroke(cr);
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/* Paint text */
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label = label_from_key(keyboard, key);
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cairo_text_extents(cr, label, &extents);
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cairo_translate(cr,
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col * key_width,
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row * key_height);
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cairo_translate(cr,
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(key->width * key_width - extents.width) / 2,
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(key_height - extents.y_bearing) / 2);
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cairo_show_text(cr, label);
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cairo_restore(cr);
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}
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static const struct layout *
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get_current_layout(struct virtual_keyboard *keyboard)
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{
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switch (keyboard->content_purpose) {
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case ZWP_TEXT_INPUT_V1_CONTENT_PURPOSE_DIGITS:
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case ZWP_TEXT_INPUT_V1_CONTENT_PURPOSE_NUMBER:
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return &numeric_layout;
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default:
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if (keyboard->preferred_language &&
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strcmp(keyboard->preferred_language, "ar") == 0)
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return &arabic_layout;
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else
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return &normal_layout;
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}
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}
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static void
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redraw_handler(struct widget *widget, void *data)
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{
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struct keyboard *keyboard = data;
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cairo_surface_t *surface;
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struct rectangle allocation;
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cairo_t *cr;
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unsigned int i;
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unsigned int row = 0, col = 0;
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const struct layout *layout;
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layout = get_current_layout(keyboard->keyboard);
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surface = window_get_surface(keyboard->window);
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widget_get_allocation(keyboard->widget, &allocation);
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cr = cairo_create(surface);
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cairo_rectangle(cr, allocation.x, allocation.y, allocation.width, allocation.height);
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cairo_clip(cr);
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cairo_select_font_face(cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
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cairo_set_font_size(cr, 16);
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cairo_translate(cr, allocation.x, allocation.y);
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_set_source_rgba(cr, 1, 1, 1, 0.75);
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cairo_rectangle(cr, 0, 0, layout->columns * key_width, layout->rows * key_height);
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cairo_paint(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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for (i = 0; i < layout->count; ++i) {
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cairo_set_source_rgb(cr, 0, 0, 0);
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draw_key(keyboard, &layout->keys[i], cr, row, col);
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col += layout->keys[i].width;
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if (col >= layout->columns) {
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row += 1;
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col = 0;
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}
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}
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cairo_destroy(cr);
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cairo_surface_destroy(surface);
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}
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static void
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resize_handler(struct widget *widget,
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int32_t width, int32_t height, void *data)
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{
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/* struct keyboard *keyboard = data; */
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}
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static char *
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insert_text(const char *text, uint32_t offset, const char *insert)
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{
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int tlen = strlen(text), ilen = strlen(insert);
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char *new_text = xmalloc(tlen + ilen + 1);
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memcpy(new_text, text, offset);
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memcpy(new_text + offset, insert, ilen);
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memcpy(new_text + offset + ilen, text + offset, tlen - offset);
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new_text[tlen + ilen] = '\0';
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return new_text;
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}
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static void
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virtual_keyboard_commit_preedit(struct virtual_keyboard *keyboard)
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{
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char *surrounding_text;
|
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if (!keyboard->preedit_string ||
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strlen(keyboard->preedit_string) == 0)
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return;
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zwp_input_method_context_v1_cursor_position(keyboard->context,
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0, 0);
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zwp_input_method_context_v1_commit_string(keyboard->context,
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keyboard->serial,
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keyboard->preedit_string);
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if (keyboard->surrounding_text) {
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surrounding_text = insert_text(keyboard->surrounding_text,
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keyboard->surrounding_cursor,
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keyboard->preedit_string);
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free(keyboard->surrounding_text);
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keyboard->surrounding_text = surrounding_text;
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keyboard->surrounding_cursor += strlen(keyboard->preedit_string);
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} else {
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keyboard->surrounding_text = strdup(keyboard->preedit_string);
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keyboard->surrounding_cursor = strlen(keyboard->preedit_string);
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}
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free(keyboard->preedit_string);
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keyboard->preedit_string = strdup("");
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}
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static void
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virtual_keyboard_send_preedit(struct virtual_keyboard *keyboard,
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int32_t cursor)
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{
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uint32_t index = strlen(keyboard->preedit_string);
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if (keyboard->preedit_style)
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zwp_input_method_context_v1_preedit_styling(keyboard->context,
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0,
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strlen(keyboard->preedit_string),
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keyboard->preedit_style);
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if (cursor > 0)
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index = cursor;
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zwp_input_method_context_v1_preedit_cursor(keyboard->context,
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index);
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zwp_input_method_context_v1_preedit_string(keyboard->context,
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keyboard->serial,
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keyboard->preedit_string,
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keyboard->preedit_string);
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}
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static const char *
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prev_utf8_char(const char *s, const char *p)
|
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{
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for (--p; p >= s; --p) {
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if ((*p & 0xc0) != 0x80)
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return p;
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}
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return NULL;
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}
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|
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static void
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delete_before_cursor(struct virtual_keyboard *keyboard)
|
|
{
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const char *start, *end;
|
|
|
|
if (!keyboard->surrounding_text) {
|
|
dbg("delete_before_cursor: No surrounding text available\n");
|
|
return;
|
|
}
|
|
|
|
start = prev_utf8_char(keyboard->surrounding_text,
|
|
keyboard->surrounding_text + keyboard->surrounding_cursor);
|
|
if (!start) {
|
|
dbg("delete_before_cursor: No previous character to delete\n");
|
|
return;
|
|
}
|
|
|
|
end = keyboard->surrounding_text + keyboard->surrounding_cursor;
|
|
|
|
zwp_input_method_context_v1_delete_surrounding_text(keyboard->context,
|
|
(start - keyboard->surrounding_text) - keyboard->surrounding_cursor,
|
|
end - start);
|
|
zwp_input_method_context_v1_commit_string(keyboard->context,
|
|
keyboard->serial,
|
|
"");
|
|
|
|
/* Update surrounding text */
|
|
keyboard->surrounding_cursor = start - keyboard->surrounding_text;
|
|
keyboard->surrounding_text[keyboard->surrounding_cursor] = '\0';
|
|
if (*end)
|
|
memmove(keyboard->surrounding_text + keyboard->surrounding_cursor, end, strlen(end));
|
|
}
|
|
|
|
static char *
|
|
append(char *s1, const char *s2)
|
|
{
|
|
int len1, len2;
|
|
char *s;
|
|
|
|
len1 = strlen(s1);
|
|
len2 = strlen(s2);
|
|
s = xrealloc(s1, len1 + len2 + 1);
|
|
memcpy(s + len1, s2, len2);
|
|
s[len1 + len2] = '\0';
|
|
|
|
return s;
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_key(struct keyboard *keyboard, uint32_t time, const struct key *key, struct input *input, enum wl_pointer_button_state state)
|
|
{
|
|
const char *label = NULL;
|
|
|
|
switch(keyboard->state) {
|
|
case KEYBOARD_STATE_DEFAULT :
|
|
label = key->label;
|
|
break;
|
|
case KEYBOARD_STATE_UPPERCASE :
|
|
label = key->uppercase;
|
|
break;
|
|
case KEYBOARD_STATE_SYMBOLS :
|
|
label = key->symbol;
|
|
break;
|
|
}
|
|
|
|
xkb_mod_mask_t mod_mask = keyboard->state == KEYBOARD_STATE_DEFAULT ? 0 : keyboard->keyboard->keysym.shift_mask;
|
|
uint32_t key_state = (state == WL_POINTER_BUTTON_STATE_PRESSED) ? WL_KEYBOARD_KEY_STATE_PRESSED : WL_KEYBOARD_KEY_STATE_RELEASED;
|
|
|
|
switch (key->key_type) {
|
|
case keytype_default:
|
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED)
|
|
break;
|
|
|
|
keyboard->keyboard->preedit_string =
|
|
append(keyboard->keyboard->preedit_string,
|
|
label);
|
|
virtual_keyboard_send_preedit(keyboard->keyboard, -1);
|
|
break;
|
|
case keytype_backspace:
|
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED)
|
|
break;
|
|
|
|
if (strlen(keyboard->keyboard->preedit_string) == 0) {
|
|
delete_before_cursor(keyboard->keyboard);
|
|
} else {
|
|
keyboard->keyboard->preedit_string[strlen(keyboard->keyboard->preedit_string) - 1] = '\0';
|
|
virtual_keyboard_send_preedit(keyboard->keyboard, -1);
|
|
}
|
|
break;
|
|
case keytype_enter:
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
zwp_input_method_context_v1_keysym(keyboard->keyboard->context,
|
|
display_get_serial(keyboard->keyboard->display),
|
|
time,
|
|
XKB_KEY_Return, key_state, mod_mask);
|
|
break;
|
|
case keytype_space:
|
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED)
|
|
break;
|
|
keyboard->keyboard->preedit_string =
|
|
append(keyboard->keyboard->preedit_string, " ");
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
break;
|
|
case keytype_switch:
|
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED)
|
|
break;
|
|
switch(keyboard->state) {
|
|
case KEYBOARD_STATE_DEFAULT:
|
|
keyboard->state = KEYBOARD_STATE_UPPERCASE;
|
|
break;
|
|
case KEYBOARD_STATE_UPPERCASE:
|
|
keyboard->state = KEYBOARD_STATE_DEFAULT;
|
|
break;
|
|
case KEYBOARD_STATE_SYMBOLS:
|
|
keyboard->state = KEYBOARD_STATE_UPPERCASE;
|
|
break;
|
|
}
|
|
break;
|
|
case keytype_symbols:
|
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED)
|
|
break;
|
|
switch(keyboard->state) {
|
|
case KEYBOARD_STATE_DEFAULT:
|
|
keyboard->state = KEYBOARD_STATE_SYMBOLS;
|
|
break;
|
|
case KEYBOARD_STATE_UPPERCASE:
|
|
keyboard->state = KEYBOARD_STATE_SYMBOLS;
|
|
break;
|
|
case KEYBOARD_STATE_SYMBOLS:
|
|
keyboard->state = KEYBOARD_STATE_DEFAULT;
|
|
break;
|
|
}
|
|
break;
|
|
case keytype_tab:
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
zwp_input_method_context_v1_keysym(keyboard->keyboard->context,
|
|
display_get_serial(keyboard->keyboard->display),
|
|
time,
|
|
XKB_KEY_Tab, key_state, mod_mask);
|
|
break;
|
|
case keytype_arrow_up:
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
zwp_input_method_context_v1_keysym(keyboard->keyboard->context,
|
|
display_get_serial(keyboard->keyboard->display),
|
|
time,
|
|
XKB_KEY_Up, key_state, mod_mask);
|
|
break;
|
|
case keytype_arrow_left:
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
zwp_input_method_context_v1_keysym(keyboard->keyboard->context,
|
|
display_get_serial(keyboard->keyboard->display),
|
|
time,
|
|
XKB_KEY_Left, key_state, mod_mask);
|
|
break;
|
|
case keytype_arrow_right:
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
zwp_input_method_context_v1_keysym(keyboard->keyboard->context,
|
|
display_get_serial(keyboard->keyboard->display),
|
|
time,
|
|
XKB_KEY_Right, key_state, mod_mask);
|
|
break;
|
|
case keytype_arrow_down:
|
|
virtual_keyboard_commit_preedit(keyboard->keyboard);
|
|
zwp_input_method_context_v1_keysym(keyboard->keyboard->context,
|
|
display_get_serial(keyboard->keyboard->display),
|
|
time,
|
|
XKB_KEY_Down, key_state, mod_mask);
|
|
break;
|
|
case keytype_style:
|
|
if (state != WL_POINTER_BUTTON_STATE_PRESSED)
|
|
break;
|
|
keyboard->keyboard->preedit_style = (keyboard->keyboard->preedit_style + 1) % 8; /* TODO */
|
|
virtual_keyboard_send_preedit(keyboard->keyboard, -1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
button_handler(struct widget *widget,
|
|
struct input *input, uint32_t time,
|
|
uint32_t button,
|
|
enum wl_pointer_button_state state, void *data)
|
|
{
|
|
struct keyboard *keyboard = data;
|
|
struct rectangle allocation;
|
|
int32_t x, y;
|
|
int row, col;
|
|
unsigned int i;
|
|
const struct layout *layout;
|
|
|
|
layout = get_current_layout(keyboard->keyboard);
|
|
|
|
if (button != BTN_LEFT) {
|
|
return;
|
|
}
|
|
|
|
input_get_position(input, &x, &y);
|
|
|
|
widget_get_allocation(keyboard->widget, &allocation);
|
|
x -= allocation.x;
|
|
y -= allocation.y;
|
|
|
|
row = y / key_height;
|
|
col = x / key_width + row * layout->columns;
|
|
for (i = 0; i < layout->count; ++i) {
|
|
col -= layout->keys[i].width;
|
|
if (col < 0) {
|
|
keyboard_handle_key(keyboard, time, &layout->keys[i], input, state);
|
|
break;
|
|
}
|
|
}
|
|
|
|
widget_schedule_redraw(widget);
|
|
}
|
|
|
|
static void
|
|
touch_handler(struct input *input, uint32_t time,
|
|
float x, float y, uint32_t state, void *data)
|
|
{
|
|
struct keyboard *keyboard = data;
|
|
struct rectangle allocation;
|
|
int row, col;
|
|
unsigned int i;
|
|
const struct layout *layout;
|
|
|
|
layout = get_current_layout(keyboard->keyboard);
|
|
|
|
widget_get_allocation(keyboard->widget, &allocation);
|
|
|
|
x -= allocation.x;
|
|
y -= allocation.y;
|
|
|
|
row = (int)y / key_height;
|
|
col = (int)x / key_width + row * layout->columns;
|
|
for (i = 0; i < layout->count; ++i) {
|
|
col -= layout->keys[i].width;
|
|
if (col < 0) {
|
|
keyboard_handle_key(keyboard, time,
|
|
&layout->keys[i], input, state);
|
|
break;
|
|
}
|
|
}
|
|
|
|
widget_schedule_redraw(keyboard->widget);
|
|
}
|
|
|
|
static void
|
|
touch_down_handler(struct widget *widget, struct input *input,
|
|
uint32_t serial, uint32_t time, int32_t id,
|
|
float x, float y, void *data)
|
|
{
|
|
touch_handler(input, time, x, y,
|
|
WL_POINTER_BUTTON_STATE_PRESSED, data);
|
|
}
|
|
|
|
static void
|
|
touch_up_handler(struct widget *widget, struct input *input,
|
|
uint32_t serial, uint32_t time, int32_t id,
|
|
void *data)
|
|
{
|
|
float x, y;
|
|
|
|
input_get_touch(input, id, &x, &y);
|
|
|
|
touch_handler(input, time, x, y,
|
|
WL_POINTER_BUTTON_STATE_RELEASED, data);
|
|
}
|
|
|
|
static void
|
|
handle_surrounding_text(void *data,
|
|
struct zwp_input_method_context_v1 *context,
|
|
const char *text,
|
|
uint32_t cursor,
|
|
uint32_t anchor)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
free(keyboard->surrounding_text);
|
|
keyboard->surrounding_text = strdup(text);
|
|
|
|
keyboard->surrounding_cursor = cursor;
|
|
}
|
|
|
|
static void
|
|
handle_reset(void *data,
|
|
struct zwp_input_method_context_v1 *context)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
dbg("Reset pre-edit buffer\n");
|
|
|
|
if (strlen(keyboard->preedit_string)) {
|
|
free(keyboard->preedit_string);
|
|
keyboard->preedit_string = strdup("");
|
|
}
|
|
}
|
|
|
|
static void
|
|
handle_content_type(void *data,
|
|
struct zwp_input_method_context_v1 *context,
|
|
uint32_t hint,
|
|
uint32_t purpose)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
keyboard->content_hint = hint;
|
|
keyboard->content_purpose = purpose;
|
|
}
|
|
|
|
static void
|
|
handle_invoke_action(void *data,
|
|
struct zwp_input_method_context_v1 *context,
|
|
uint32_t button,
|
|
uint32_t index)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
if (button != BTN_LEFT)
|
|
return;
|
|
|
|
virtual_keyboard_send_preedit(keyboard, index);
|
|
}
|
|
|
|
static void
|
|
handle_commit_state(void *data,
|
|
struct zwp_input_method_context_v1 *context,
|
|
uint32_t serial)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
const struct layout *layout;
|
|
|
|
keyboard->serial = serial;
|
|
|
|
layout = get_current_layout(keyboard);
|
|
|
|
if (keyboard->surrounding_text)
|
|
dbg("Surrounding text updated: %s\n", keyboard->surrounding_text);
|
|
|
|
window_schedule_resize(keyboard->keyboard->window,
|
|
layout->columns * key_width,
|
|
layout->rows * key_height);
|
|
|
|
zwp_input_method_context_v1_language(context,
|
|
keyboard->serial,
|
|
layout->language);
|
|
zwp_input_method_context_v1_text_direction(context,
|
|
keyboard->serial,
|
|
layout->text_direction);
|
|
|
|
widget_schedule_redraw(keyboard->keyboard->widget);
|
|
}
|
|
|
|
static void
|
|
handle_preferred_language(void *data,
|
|
struct zwp_input_method_context_v1 *context,
|
|
const char *language)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
if (keyboard->preferred_language)
|
|
free(keyboard->preferred_language);
|
|
|
|
keyboard->preferred_language = NULL;
|
|
|
|
if (language)
|
|
keyboard->preferred_language = strdup(language);
|
|
}
|
|
|
|
static const struct zwp_input_method_context_v1_listener input_method_context_listener = {
|
|
handle_surrounding_text,
|
|
handle_reset,
|
|
handle_content_type,
|
|
handle_invoke_action,
|
|
handle_commit_state,
|
|
handle_preferred_language
|
|
};
|
|
|
|
static void
|
|
input_method_activate(void *data,
|
|
struct zwp_input_method_v1 *input_method,
|
|
struct zwp_input_method_context_v1 *context)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
struct wl_array modifiers_map;
|
|
const struct layout *layout;
|
|
|
|
keyboard->keyboard->state = KEYBOARD_STATE_DEFAULT;
|
|
|
|
if (keyboard->context)
|
|
zwp_input_method_context_v1_destroy(keyboard->context);
|
|
|
|
if (keyboard->preedit_string)
|
|
free(keyboard->preedit_string);
|
|
|
|
keyboard->preedit_string = strdup("");
|
|
keyboard->content_hint = 0;
|
|
keyboard->content_purpose = 0;
|
|
free(keyboard->preferred_language);
|
|
keyboard->preferred_language = NULL;
|
|
free(keyboard->surrounding_text);
|
|
keyboard->surrounding_text = NULL;
|
|
|
|
keyboard->serial = 0;
|
|
|
|
keyboard->context = context;
|
|
zwp_input_method_context_v1_add_listener(context,
|
|
&input_method_context_listener,
|
|
keyboard);
|
|
|
|
wl_array_init(&modifiers_map);
|
|
keysym_modifiers_add(&modifiers_map, "Shift");
|
|
keysym_modifiers_add(&modifiers_map, "Control");
|
|
keysym_modifiers_add(&modifiers_map, "Mod1");
|
|
zwp_input_method_context_v1_modifiers_map(context, &modifiers_map);
|
|
keyboard->keysym.shift_mask = keysym_modifiers_get_mask(&modifiers_map, "Shift");
|
|
wl_array_release(&modifiers_map);
|
|
|
|
layout = get_current_layout(keyboard);
|
|
|
|
window_schedule_resize(keyboard->keyboard->window,
|
|
layout->columns * key_width,
|
|
layout->rows * key_height);
|
|
|
|
zwp_input_method_context_v1_language(context,
|
|
keyboard->serial,
|
|
layout->language);
|
|
zwp_input_method_context_v1_text_direction(context,
|
|
keyboard->serial,
|
|
layout->text_direction);
|
|
|
|
widget_schedule_redraw(keyboard->keyboard->widget);
|
|
}
|
|
|
|
static void
|
|
input_method_deactivate(void *data,
|
|
struct zwp_input_method_v1 *input_method,
|
|
struct zwp_input_method_context_v1 *context)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
if (!keyboard->context)
|
|
return;
|
|
|
|
zwp_input_method_context_v1_destroy(keyboard->context);
|
|
keyboard->context = NULL;
|
|
}
|
|
|
|
static const struct zwp_input_method_v1_listener input_method_listener = {
|
|
input_method_activate,
|
|
input_method_deactivate
|
|
};
|
|
|
|
static void
|
|
global_handler(struct display *display, uint32_t name,
|
|
const char *interface, uint32_t version, void *data)
|
|
{
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
if (!strcmp(interface, "zwp_input_panel_v1")) {
|
|
keyboard->input_panel =
|
|
display_bind(display, name, &zwp_input_panel_v1_interface, 1);
|
|
} else if (!strcmp(interface, "zwp_input_method_v1")) {
|
|
keyboard->input_method =
|
|
display_bind(display, name,
|
|
&zwp_input_method_v1_interface, 1);
|
|
zwp_input_method_v1_add_listener(keyboard->input_method,
|
|
&input_method_listener,
|
|
keyboard);
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_toplevel(struct output *output, struct virtual_keyboard *virtual_keyboard)
|
|
{
|
|
struct zwp_input_panel_surface_v1 *ips;
|
|
struct keyboard *keyboard = virtual_keyboard->keyboard;
|
|
|
|
ips = zwp_input_panel_v1_get_input_panel_surface(virtual_keyboard->input_panel,
|
|
window_get_wl_surface(keyboard->window));
|
|
|
|
zwp_input_panel_surface_v1_set_toplevel(ips,
|
|
output_get_wl_output(output),
|
|
ZWP_INPUT_PANEL_SURFACE_V1_POSITION_CENTER_BOTTOM);
|
|
|
|
virtual_keyboard->toplevel = true;
|
|
}
|
|
|
|
static void
|
|
display_output_handler(struct output *output, void *data) {
|
|
struct virtual_keyboard *keyboard = data;
|
|
|
|
if (!keyboard->toplevel)
|
|
set_toplevel(output, keyboard);
|
|
}
|
|
|
|
static void
|
|
keyboard_create(struct virtual_keyboard *virtual_keyboard)
|
|
{
|
|
struct keyboard *keyboard;
|
|
const struct layout *layout;
|
|
|
|
layout = get_current_layout(virtual_keyboard);
|
|
|
|
keyboard = xzalloc(sizeof *keyboard);
|
|
keyboard->keyboard = virtual_keyboard;
|
|
keyboard->window = window_create_custom(virtual_keyboard->display);
|
|
keyboard->widget = window_add_widget(keyboard->window, keyboard);
|
|
|
|
virtual_keyboard->keyboard = keyboard;
|
|
|
|
window_set_title(keyboard->window, "Virtual keyboard");
|
|
window_set_user_data(keyboard->window, keyboard);
|
|
|
|
widget_set_redraw_handler(keyboard->widget, redraw_handler);
|
|
widget_set_resize_handler(keyboard->widget, resize_handler);
|
|
widget_set_button_handler(keyboard->widget, button_handler);
|
|
widget_set_touch_down_handler(keyboard->widget, touch_down_handler);
|
|
widget_set_touch_up_handler(keyboard->widget, touch_up_handler);
|
|
|
|
window_schedule_resize(keyboard->window,
|
|
layout->columns * key_width,
|
|
layout->rows * key_height);
|
|
|
|
display_set_output_configure_handler(virtual_keyboard->display,
|
|
display_output_handler);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct virtual_keyboard virtual_keyboard;
|
|
|
|
memset(&virtual_keyboard, 0, sizeof virtual_keyboard);
|
|
|
|
virtual_keyboard.display = display_create(&argc, argv);
|
|
if (virtual_keyboard.display == NULL) {
|
|
fprintf(stderr, "failed to create display: %s\n",
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
display_set_user_data(virtual_keyboard.display, &virtual_keyboard);
|
|
display_set_global_handler(virtual_keyboard.display, global_handler);
|
|
|
|
if (virtual_keyboard.input_panel == NULL) {
|
|
fprintf(stderr, "No input panel global\n");
|
|
return -1;
|
|
}
|
|
|
|
keyboard_create(&virtual_keyboard);
|
|
|
|
display_run(virtual_keyboard.display);
|
|
|
|
return 0;
|
|
}
|
|
|