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/**
* vimb - a webkit based vim like browser.
*
* Copyright (C) 2012-2014 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 <glib/gstdio.h>
#include "mode.h"
#include "main.h"
#include "input.h"
#include "dom.h"
#include "util.h"
typedef struct {
char *file;
Element *element;
} EditorData;
static void resume_editor(GPid pid, int status, EditorData *data);
extern VbCore vb;
/**
* Function called when vimb enters the input mode.
*/
void input_enter(void)
{
/* switch focus first to make shure we can write to the inputbox without
* disturbing the user */
gtk_widget_grab_focus(GTK_WIDGET(vb.gui.webview));
vb_echo(VB_MSG_NORMAL, false, "-- INPUT --");
}
/**
* Called when the input mode is left.
*/
void input_leave(void)
{
vb_set_input_text("");
}
/**
* Handles the keypress events from webview and inputbox.
*/
VbResult input_keypress(int key)
{
switch (key) {
case CTRL('['): /* esc */
mode_enter('n');
return RESULT_COMPLETE;
case CTRL('T'):
return input_open_editor();
case CTRL('Z'):
mode_enter('p');
return RESULT_COMPLETE;
}
vb.state.processed_key = false;
return RESULT_ERROR;
}
VbResult input_open_editor(void)
{
char **argv, *file_path = NULL;
const char *text;
int argc;
GPid pid;
gboolean success;
if (!vb.config.editor_command) {
vb_echo(VB_MSG_ERROR, true, "No editor-command configured");
return RESULT_ERROR;
}
Element* active = dom_get_active_element(vb.gui.webview);
/* check if element is suitable for editing */
if (!active || !dom_is_editable(active)) {
return RESULT_ERROR;
}
text = dom_editable_element_get_value(active);
if (!text) {
return RESULT_ERROR;
}
if (!util_create_tmp_file(text, &file_path)) {
return RESULT_ERROR;
}
/* spawn editor */
char* command = g_strdup_printf(vb.config.editor_command, file_path);
if (!g_shell_parse_argv(command, &argc, &argv, NULL)) {
fprintf(stderr, "Could not parse editor-command");
g_free(command);
return RESULT_ERROR;
}
g_free(command);
success = g_spawn_async(
NULL, argv, NULL, G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL, &pid, NULL
);
g_strfreev(argv);
if (!success) {
unlink(file_path);
g_free(file_path);
return RESULT_ERROR;
}
/* disable the active element */
dom_editable_element_set_disable(active, true);
EditorData *data = g_new0(EditorData, 1);
data->file = file_path;
data->element = active;
g_child_watch_add(pid, (GChildWatchFunc)resume_editor, data);
return RESULT_COMPLETE;
}
static void resume_editor(GPid pid, int status, EditorData *data)
{
char *text;
if (status == 0) {
text = util_get_file_contents(data->file, NULL);
if (text) {
dom_editable_element_set_value(data->element, text);
}
g_free(text);
}
dom_editable_element_set_disable(data->element, false);
g_unlink(data->file);
g_free(data->file);
g_free(data);
g_spawn_close_pid(pid);
}
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