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/**
* vimb - a webkit based vim like browser.
*
* Copyright (C) 2012-2018 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 <glib.h>
#include <glib/gstdio.h>
#include <string.h>
#include "ascii.h"
#include "command.h"
#include "config.h"
#include "input.h"
#include "main.h"
#include "normal.h"
#include "util.h"
#include "scripts/scripts.h"
#include "ext-proxy.h"
typedef struct {
char *element_id;
unsigned long element_map_key;
} ElementEditorData;
static void input_editor_formfiller(const char *text, Client *c, gpointer data);
/**
* Function called when vimb enters the input mode.
*/
void input_enter(Client *c)
{
/* switch focus first to make sure we can write to the inputbox without
* disturbing the user */
gtk_widget_grab_focus(GTK_WIDGET(c->webview));
vb_modelabel_update(c, "-- INPUT --");
ext_proxy_eval_script(c, "var vimb_input_mode_element = document.activeElement;", NULL);
}
/**
* Called when the input mode is left.
*/
void input_leave(Client *c)
{
ext_proxy_eval_script(c, "vimb_input_mode_element.blur();", NULL);
vb_modelabel_update(c, "");
}
/**
* Handles the keypress events from webview and inputbox.
*/
VbResult input_keypress(Client *c, int key)
{
static gboolean ctrlo = FALSE;
if (ctrlo) {
/* if we are in ctrl-O mode perform the next keys as normal mode
* commands until the command is complete or error */
VbResult res = normal_keypress(c, key);
if (res != RESULT_MORE) {
ctrlo = FALSE;
/* Don't overwrite the mode label in case we landed in another
* mode. This might occurre by CTRL-0 CTRL-Z or after running ex
* command, where we mainly end up in normal mode. */
if (c->mode->id == 'i') {
/* reenter the input mode */
input_enter(c);
}
}
return res;
}
switch (key) {
case CTRL('['): /* esc */
vb_enter(c, 'n');
return RESULT_COMPLETE;
case CTRL('O'):
/* enter CTRL-0 mode to execute next command in normal mode */
ctrlo = TRUE;
c->mode->flags |= FLAG_NOMAP;
vb_modelabel_update(c, "-- (input) --");
return RESULT_MORE;
case CTRL('T'):
return input_open_editor(c);
case CTRL('Z'):
vb_enter(c, 'p');
return RESULT_COMPLETE;
}
c->state.processed_key = FALSE;
return RESULT_ERROR;
}
VbResult input_open_editor(Client *c)
{
static unsigned long element_map_key = 0;
char *element_id = NULL;
char *text = NULL, *id = NULL;
gboolean success;
GVariant *jsreturn;
GVariant *idreturn;
ElementEditorData *data = NULL;
g_assert(c);
/* get the selected input element */
jsreturn = ext_proxy_eval_script_sync(c, "vimb_input_mode_element.value");
g_variant_get(jsreturn, "(bs)", &success, &text);
if (!success || !text) {
return RESULT_ERROR;
}
idreturn = ext_proxy_eval_script_sync(c, "vimb_input_mode_element.id");
g_variant_get(idreturn, "(bs)", &success, &id);
/* Special case: the input element does not have an id assigned to it */
if (!success || !*id) {
char *js_command = g_strdup_printf(JS_SET_EDITOR_MAP_ELEMENT, ++element_map_key);
ext_proxy_eval_script(c, js_command, NULL);
g_free(js_command);
} else {
element_id = g_strdup(id);
}
data = g_slice_new0(ElementEditorData);
data->element_id = element_id;
data->element_map_key = element_map_key;
if (command_spawn_editor(c, &((Arg){0, text}), input_editor_formfiller, data)) {
/* disable the active element */
ext_proxy_lock_input(c, element_id);
return RESULT_COMPLETE;
}
g_free(element_id);
g_slice_free(ElementEditorData, data);
return RESULT_ERROR;
}
static void input_editor_formfiller(const char *text, Client *c, gpointer data)
{
char *escaped;
char *jscode;
char *jscode_enable;
ElementEditorData *eed = (ElementEditorData *)data;
if (text) {
escaped = util_strescape(text, NULL);
/* put the text back into the element */
if (eed->element_id && strlen(eed->element_id) > 0) {
jscode = g_strdup_printf("document.getElementById(\"%s\").value=\"%s\"", eed->element_id, escaped);
} else {
jscode = g_strdup_printf("vimb_editor_map.get(\"%lu\").value=\"%s\"", eed->element_map_key, escaped);
}
ext_proxy_eval_script(c, jscode, NULL);
g_free(jscode);
g_free(escaped);
}
if (eed->element_id && strlen(eed->element_id) > 0) {
ext_proxy_unlock_input(c, eed->element_id);
} else {
jscode_enable = g_strdup_printf(JS_FOCUS_EDITOR_MAP_ELEMENT,
eed->element_map_key, eed->element_map_key);
ext_proxy_eval_script(c, jscode_enable, NULL);
g_free(jscode_enable);
}
g_free(eed->element_id);
g_slice_free(ElementEditorData, eed);
}
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