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-rw-r--r--src/hints.c398
1 files changed, 0 insertions, 398 deletions
diff --git a/src/hints.c b/src/hints.c
deleted file mode 100644
index 91bb869..0000000
--- a/src/hints.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/**
- * vimb - a webkit based vim like browser.
- *
- * Copyright (C) 2012-2015 Daniel Carl
- *
- * This program 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 3 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 program. If not, see http://www.gnu.org/licenses/.
- */
-
-#include "config.h"
-#include <gdk/gdkkeysyms.h>
-#include <gdk/gdkkeysyms-compat.h>
-#include "hints.h"
-#include "main.h"
-#include "ascii.h"
-#include "dom.h"
-#include "command.h"
-#include "hints.js.h"
-#include "input.h"
-#include "map.h"
-#include "js.h"
-
-#define HINT_FILE "hints.js"
-
-static struct {
- JSObjectRef obj; /* the js object */
- char mode; /* mode identifying char - that last char of the hint prompt */
- int promptlen; /* length of the hint prompt chars 2 or 3 */
- gboolean gmode; /* indicate if the hints 'g' mode is used */
- JSContextRef ctx;
-#if WEBKIT_CHECK_VERSION(2, 0, 0)
- /* holds the setting if JavaScript can open windows automatically that we
- * have to change to open windows via hinting */
- gboolean allow_open_win;
-#endif
- guint timeout_id;
-} hints;
-
-extern VbCore vb;
-
-static gboolean call_hints_function(const char *func, int count, JSValueRef params[]);
-static void fire_timeout(gboolean on);
-static gboolean fire_cb(gpointer data);
-
-
-void hints_init(WebKitWebFrame *frame)
-{
- if (hints.obj) {
- JSValueUnprotect(hints.ctx, hints.obj);
- hints.obj = NULL;
- }
- if (!hints.obj) {
- hints.ctx = webkit_web_frame_get_global_context(frame);
- hints.obj = js_create_object(hints.ctx, HINTS_JS);
- }
-}
-
-VbResult hints_keypress(int key)
-{
- JSValueRef arguments[1];
-
- if (key == KEY_CR) {
- hints_fire();
-
- return RESULT_COMPLETE;
- } else if (key == CTRL('H')) {
- fire_timeout(false);
- arguments[0] = JSValueMakeNull(hints.ctx);
- if (call_hints_function("update", 1, arguments)) {
- return RESULT_COMPLETE;
- }
- } else if (key == KEY_TAB) {
- fire_timeout(false);
- hints_focus_next(false);
-
- return RESULT_COMPLETE;
- } else if (key == KEY_SHIFT_TAB) {
- fire_timeout(false);
- hints_focus_next(true);
-
- return RESULT_COMPLETE;
- } else {
- fire_timeout(true);
- /* try to handle the key by the javascript */
- arguments[0] = js_string_to_ref(hints.ctx, (char[]){key, '\0'});
- if (call_hints_function("update", 1, arguments)) {
- return RESULT_COMPLETE;
- }
- }
-
- fire_timeout(false);
- return RESULT_ERROR;
-}
-
-void hints_clear(void)
-{
- if (vb.mode->flags & FLAG_HINTING) {
- vb.mode->flags &= ~FLAG_HINTING;
- vb_set_input_text("");
-
- call_hints_function("clear", 0, NULL);
-
- g_signal_emit_by_name(vb.gui.webview, "hovering-over-link", NULL, NULL);
-
-#if WEBKIT_CHECK_VERSION(2, 0, 0)
- /* if open window was not allowed for JavaScript, restore this */
- if (!hints.allow_open_win) {
- WebKitWebSettings *setting = webkit_web_view_get_settings(vb.gui.webview);
- g_object_set(G_OBJECT(setting), "javascript-can-open-windows-automatically", hints.allow_open_win, NULL);
- }
-#endif
- }
-}
-
-void hints_create(const char *input)
-{
- /* don't start hinting if the hinting object isn't created - for example
- * if hinting is started before the first data of page are received */
- if (!hints.obj) {
- return;
- }
-
- /* check if the input contains a valid hinting prompt */
- if (!hints_parse_prompt(input, &hints.mode, &hints.gmode)) {
- /* if input is not valid, clear possible previous hint mode */
- if (vb.mode->flags & FLAG_HINTING) {
- vb_enter('n');
- }
- return;
- }
-
- if (!(vb.mode->flags & FLAG_HINTING)) {
- vb.mode->flags |= FLAG_HINTING;
-
-#if WEBKIT_CHECK_VERSION(2, 0, 0)
- WebKitWebSettings *setting = webkit_web_view_get_settings(vb.gui.webview);
-
- /* before we enable JavaScript to open new windows, we save the actual
- * value to be able restore it after hints where fired */
- g_object_get(G_OBJECT(setting), "javascript-can-open-windows-automatically", &(hints.allow_open_win), NULL);
-
- /* if window open is already allowed there's no need to allow it again */
- if (!hints.allow_open_win) {
- g_object_set(G_OBJECT(setting), "javascript-can-open-windows-automatically", true, NULL);
- }
-#endif
-
- hints.promptlen = hints.gmode ? 3 : 2;
-
- JSValueRef arguments[] = {
- js_string_to_ref(hints.ctx, (char[]){hints.mode, '\0'}),
- JSValueMakeBoolean(hints.ctx, hints.gmode),
- JSValueMakeNumber(hints.ctx, MAXIMUM_HINTS),
- js_string_to_ref(hints.ctx, GET_CHAR("hintkeys")),
- JSValueMakeBoolean(hints.ctx, GET_BOOL("hint-follow-last")),
- JSValueMakeBoolean(hints.ctx, GET_BOOL("hint-number-same-length"))
- };
- call_hints_function("init", 6, arguments);
-
- /* if hinting is started there won't be any additional filter given and
- * we can go out of this function */
- return;
- }
-
- JSValueRef arguments[] = {js_string_to_ref(hints.ctx, *(input + hints.promptlen) ? input + hints.promptlen : "")};
- call_hints_function("filter", 1, arguments);
-}
-
-void hints_focus_next(const gboolean back)
-{
- JSValueRef arguments[] = {
- JSValueMakeNumber(hints.ctx, back)
- };
- call_hints_function("focus", 1, arguments);
-}
-
-void hints_fire(void)
-{
- call_hints_function("fire", 0, NULL);
-}
-
-void hints_follow_link(const gboolean back, int count)
-{
- char *json = g_strdup_printf(
- "[%s]",
- back ? vb.config.prevpattern : vb.config.nextpattern
- );
-
- JSValueRef arguments[] = {
- js_string_to_ref(hints.ctx, back ? "prev" : "next"),
- js_object_to_ref(hints.ctx, json),
- JSValueMakeNumber(hints.ctx, count)
- };
- g_free(json);
-
- call_hints_function("followLink", 3, arguments);
-}
-
-void hints_increment_uri(int count)
-{
- JSValueRef arguments[] = {
- JSValueMakeNumber(hints.ctx, count)
- };
-
- call_hints_function("incrementUri", 1, arguments);
-}
-
-/**
- * Checks if the given hint prompt belong to a known and valid hints mode and
- * parses the mode and is_gmode into given pointers.
- *
- * The given prompt sting may also contain additional chars after the prompt.
- *
- * @prompt: String to be parsed as prompt. The Prompt can be followed by
- * additional characters.
- * @mode: Pointer to char that will be filled with mode char if prompt was
- * valid and given pointer is not NULL.
- * @is_gmode: Pointer to gboolean to be filled with the flag to indicate gmode
- * hinting.
- */
-gboolean hints_parse_prompt(const char *prompt, char *mode, gboolean *is_gmode)
-{
- gboolean res;
- char pmode = '\0';
-#ifdef FEATURE_QUEUE
- static char *modes = "eiIoOpPstTxyY";
- static char *g_modes = "IpPstyY";
-#else
- static char *modes = "eiIoOstTxyY";
- static char *g_modes = "IstyY";
-#endif
-
- if (!prompt) {
- return false;
- }
-
- /* get the mode identifying char from prompt */
- if (*prompt == ';') {
- pmode = prompt[1];
- } else if (*prompt == 'g' && strlen(prompt) >= 3) {
- /* get mode for g;X hint modes */
- pmode = prompt[2];
- }
-
- /* no mode found in prompt */
- if (!pmode) {
- return false;
- }
-
- res = *prompt == 'g'
- ? strchr(g_modes, pmode) != NULL
- : strchr(modes, pmode) != NULL;
-
- /* fill pointer only if the prompt was valid */
- if (res) {
- if (mode != NULL) {
- *mode = pmode;
- }
- if (is_gmode != NULL) {
- *is_gmode = *prompt == 'g';
- }
- }
-
- return res;
-}
-
-static gboolean call_hints_function(const char *func, int count, JSValueRef params[])
-{
- char *value = js_object_call_function(hints.ctx, hints.obj, func, count, params);
-
- g_return_val_if_fail(value != NULL, false);
-
- if (!strncmp(value, "ERROR:", 6)) {
- g_free(value);
- return false;
- }
-
- if (!strncmp(value, "OVER:", 5)) {
- g_signal_emit_by_name(
- vb.gui.webview, "hovering-over-link", NULL, *(value + 5) == '\0' ? NULL : (value + 5)
- );
- g_free(value);
-
- return true;
- }
-
- /* following return values mark fired hints */
- if (!strncmp(value, "DONE:", 5)) {
- fire_timeout(false);
- /* Change to normal mode only if we are currently in command mode and
- * we are not in g-mode hinting. This is required to not switch to
- * normal mode when the hinting triggered a click that set focus on
- * editable element that lead vimb to switch to input mode. */
- if (!hints.gmode && vb.mode->id == 'c') {
- vb_enter('n');
- }
- } else if (!strncmp(value, "INSERT:", 7)) {
- fire_timeout(false);
- vb_enter('i');
- if (hints.mode == 'e') {
- input_open_editor();
- }
- } else if (!strncmp(value, "DATA:", 5)) {
- fire_timeout(false);
- /* switch first to normal mode - else we would clear the inputbox
- * on switching mode also if we want to show yanked data */
- if (!hints.gmode) {
- vb_enter('n');
- }
-
- char *v = (value + 5);
- Arg a = {0};
- /* put the hinted value into register "; */
- vb_register_add(';', v);
- switch (hints.mode) {
- /* used if images should be opened */
- case 'i':
- case 'I':
- a.s = v;
- a.i = (hints.mode == 'I') ? VB_TARGET_NEW : VB_TARGET_CURRENT;
- vb_load_uri(&a);
- break;
-
- case 'O':
- case 'T':
- vb_echo(VB_MSG_NORMAL, false, "%s %s", (hints.mode == 'T') ? ":tabopen" : ":open", v);
- if (!hints.gmode) {
- vb_enter('c');
- }
- break;
-
- case 's':
- a.s = v;
- a.i = COMMAND_SAVE_URI;
- command_save(&a);
- break;
-
- case 'x':
- map_handle_string(GET_CHAR("x-hint-command"), true);
- break;
-
- case 'y':
- case 'Y':
- a.i = COMMAND_YANK_ARG;
- a.s = v;
- command_yank(&a, vb.state.current_register);
- break;
-
-#ifdef FEATURE_QUEUE
- case 'p':
- case 'P':
- a.s = v;
- a.i = (hints.mode == 'P') ? COMMAND_QUEUE_UNSHIFT : COMMAND_QUEUE_PUSH;
- command_queue(&a);
- break;
-#endif
- }
- }
- g_free(value);
- return true;
-}
-
-static void fire_timeout(gboolean on)
-{
- int millis;
- /* remove possible timeout function */
- if (hints.timeout_id) {
- g_source_remove(hints.timeout_id);
- hints.timeout_id = 0;
- }
-
- if (on) {
- millis = GET_INT("hint-timeout");
- if (millis) {
- hints.timeout_id = g_timeout_add(millis, (GSourceFunc)fire_cb, NULL);
- }
- }
-}
-
-static gboolean fire_cb(gpointer data)
-{
- hints_fire();
-
- /* remove timeout id for the timeout that is removed by return value of
- * false automatic */
- hints.timeout_id = 0;
- return false;
-}
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