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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2009 - Vic Lee
* Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
* Copyright (C) 2016-2023 Antenore Gatta, Giovanni Panozzo
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
#include <glib/gi18n.h>
#include <gdk/gdkkeysyms.h>
#include "remmina_chat_window.h"
#include "remmina/remmina_trace_calls.h"
G_DEFINE_TYPE( RemminaChatWindow, remmina_chat_window, GTK_TYPE_WINDOW)
enum {
SEND_SIGNAL,
LAST_SIGNAL
};
static guint remmina_chat_window_signals[LAST_SIGNAL] = { 0 };
static void remmina_chat_window_class_init(RemminaChatWindowClass* klass)
{
TRACE_CALL(__func__);
remmina_chat_window_signals[SEND_SIGNAL] = g_signal_new("send", G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET(RemminaChatWindowClass, send), NULL, NULL,
g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING);
}
static void remmina_chat_window_init(RemminaChatWindow* window)
{
TRACE_CALL(__func__);
window->history_text = NULL;
window->send_text = NULL;
}
static void remmina_chat_window_clear_send_text(GtkWidget* widget, RemminaChatWindow* window)
{
TRACE_CALL(__func__);
GtkTextBuffer* buffer;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(window->send_text));
gtk_text_buffer_set_text(buffer, "", -1);
gtk_widget_grab_focus(window->send_text);
}
static gboolean remmina_chat_window_scroll_proc(RemminaChatWindow* window)
{
TRACE_CALL(__func__);
GtkTextBuffer* buffer;
GtkTextIter iter;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(window->history_text));
gtk_text_buffer_get_end_iter(buffer, &iter);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(window->history_text), &iter, 0.0, FALSE, 0.0, 0.0);
return FALSE;
}
static void remmina_chat_window_append_text(RemminaChatWindow* window, const gchar* name, const gchar* tagname,
const gchar* text)
{
TRACE_CALL(__func__);
GtkTextBuffer* buffer;
GtkTextIter iter;
gchar* ptr;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(window->history_text));
if (name) {
ptr = g_strdup_printf("(%s) ", name);
gtk_text_buffer_get_end_iter(buffer, &iter);
if (tagname) {
gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ptr, -1, tagname, NULL);
}else {
gtk_text_buffer_insert(buffer, &iter, ptr, -1);
}
g_free(ptr);
}
if (text && text[0] != 0) {
gtk_text_buffer_get_end_iter(buffer, &iter);
if (text[strlen(text) - 1] == '\n') {
gtk_text_buffer_insert(buffer, &iter, text, -1);
}else {
ptr = g_strdup_printf("%s\n", text);
gtk_text_buffer_insert(buffer, &iter, ptr, -1);
g_free(ptr);
}
}
/* Use g_idle_add to make the scroll happen after the text has been actually updated */
g_idle_add((GSourceFunc)remmina_chat_window_scroll_proc, window);
}
static void remmina_chat_window_send(GtkWidget* widget, RemminaChatWindow* window)
{
TRACE_CALL(__func__);
GtkTextBuffer* buffer;
GtkTextIter start, end;
gchar* text;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(window->send_text));
gtk_text_buffer_get_bounds(buffer, &start, &end);
text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
if (!text || text[0] == '\0')
return;
g_signal_emit_by_name(G_OBJECT(window), "send", text);
remmina_chat_window_append_text(window, g_get_user_name(), "sender-foreground", text);
g_free(text);
remmina_chat_window_clear_send_text(widget, window);
}
static gboolean remmina_chat_window_send_text_on_key(GtkWidget* widget, GdkEventKey* event, RemminaChatWindow* window)
{
TRACE_CALL(__func__);
if (event->keyval == GDK_KEY_Return) {
remmina_chat_window_send(widget, window);
return TRUE;
}
return FALSE;
}
GtkWidget*
remmina_chat_window_new(GtkWindow* parent, const gchar* chat_with)
{
TRACE_CALL(__func__);
RemminaChatWindow* window;
gchar buf[100];
GtkWidget* grid;
GtkWidget* scrolledwindow;
GtkWidget* widget;
GtkWidget* image;
GtkTextBuffer* buffer;
window = REMMINA_CHAT_WINDOW(g_object_new(REMMINA_TYPE_CHAT_WINDOW, NULL));
if (parent) {
gtk_window_set_transient_for(GTK_WINDOW(window), parent);
}
/* Title */
g_snprintf(buf, sizeof(buf), _("Chat with %s"), chat_with);
gtk_window_set_title(GTK_WINDOW(window), buf);
gtk_window_set_default_size(GTK_WINDOW(window), 450, 300);
/* Main container */
grid = gtk_grid_new();
gtk_widget_show(grid);
gtk_grid_set_row_spacing(GTK_GRID(grid), 4);
gtk_grid_set_column_spacing(GTK_GRID(grid), 4);
gtk_container_set_border_width(GTK_CONTAINER(grid), 8);
gtk_container_add(GTK_CONTAINER(window), grid);
/* Chat history */
scrolledwindow = gtk_scrolled_window_new(NULL, NULL);
gtk_widget_show(scrolledwindow);
gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(scrolledwindow), 100);
gtk_widget_set_hexpand(GTK_WIDGET(scrolledwindow), TRUE);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
gtk_grid_attach(GTK_GRID(grid), scrolledwindow, 0, 0, 3, 1);
widget = gtk_text_view_new();
gtk_widget_show(widget);
gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(widget), GTK_WRAP_WORD_CHAR);
gtk_text_view_set_editable(GTK_TEXT_VIEW(widget), FALSE);
gtk_container_add(GTK_CONTAINER(scrolledwindow), widget);
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(widget));
gtk_text_buffer_create_tag(buffer, "sender-foreground", "foreground", "blue", NULL);
gtk_text_buffer_create_tag(buffer, "receiver-foreground", "foreground", "red", NULL);
window->history_text = widget;
/* Chat message to be sent */
scrolledwindow = gtk_scrolled_window_new(NULL, NULL);
gtk_widget_show(scrolledwindow);
gtk_scrolled_window_set_min_content_height(GTK_SCROLLED_WINDOW(scrolledwindow), 100);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
gtk_widget_set_hexpand(GTK_WIDGET(scrolledwindow), TRUE);
gtk_grid_attach(GTK_GRID(grid), scrolledwindow, 0, 1, 3, 1);
widget = gtk_text_view_new();
gtk_widget_show(widget);
gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(widget), GTK_WRAP_WORD_CHAR);
gtk_container_add(GTK_CONTAINER(scrolledwindow), widget);
g_signal_connect(G_OBJECT(widget), "key-press-event", G_CALLBACK(remmina_chat_window_send_text_on_key), window);
window->send_text = widget;
/* Send button */
image = gtk_image_new_from_icon_name("org.remmina.Remmina-document-send-symbolic", GTK_ICON_SIZE_BUTTON);
gtk_widget_show(image);
widget = gtk_button_new_with_mnemonic(_("_Send"));
gtk_widget_show(widget);
gtk_button_set_image(GTK_BUTTON(widget), image);
gtk_grid_attach(GTK_GRID(grid), widget, 2, 2, 1, 1);
g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(remmina_chat_window_send), window);
/* Clear button */
image = gtk_image_new_from_icon_name("edit-clear", GTK_ICON_SIZE_BUTTON);
gtk_widget_show(image);
widget = gtk_button_new_with_mnemonic(_("_Clear"));
gtk_widget_show(widget);
gtk_button_set_image(GTK_BUTTON(widget), image);
gtk_grid_attach(GTK_GRID(grid), widget, 1, 2, 1, 1);
g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(remmina_chat_window_clear_send_text), window);
gtk_widget_grab_focus(window->send_text);
return GTK_WIDGET(window);
}
void remmina_chat_window_receive(RemminaChatWindow* window, const gchar* name, const gchar* text)
{
TRACE_CALL(__func__);
remmina_chat_window_append_text(window, name, "receiver-foreground", text);
}
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