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netsurf/frontends/gtk/global_history.c

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/*
* Copyright 2010 John Mark Bell <jmb@netsurf-browser.org>
* Copyright 2016 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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/>.
*/
/**
* \file
* Implementation of GTK global history manager.
*/
#include <stdint.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "utils/log.h"
#include "netsurf/keypress.h"
#include "netsurf/plotters.h"
#include "desktop/global_history.h"
#include "gtk/compat.h"
#include "gtk/plotters.h"
#include "gtk/resources.h"
#include "gtk/corewindow.h"
#include "gtk/global_history.h"
struct nsgtk_global_history_window {
struct nsgtk_corewindow core;
GtkBuilder *builder;
GtkWindow *wnd;
};
static struct nsgtk_global_history_window *global_history_window = NULL;
#define MENUPROTO(x) static gboolean nsgtk_on_##x##_activate( \
GtkMenuItem *widget, gpointer g)
#define MENUEVENT(x) { #x, G_CALLBACK(nsgtk_on_##x##_activate) }
#define MENUHANDLER(x) gboolean nsgtk_on_##x##_activate(GtkMenuItem *widget, \
gpointer g)
struct menu_events {
const char *widget;
GCallback handler;
};
/* file menu*/
MENUPROTO(export);
/* edit menu */
MENUPROTO(delete_selected);
MENUPROTO(delete_all);
MENUPROTO(select_all);
MENUPROTO(clear_selection);
/* view menu*/
MENUPROTO(expand_all);
MENUPROTO(expand_directories);
MENUPROTO(expand_addresses);
MENUPROTO(collapse_all);
MENUPROTO(collapse_directories);
MENUPROTO(collapse_addresses);
MENUPROTO(launch);
static struct menu_events menu_events[] = {
/* file menu*/
MENUEVENT(export),
/* edit menu */
MENUEVENT(delete_selected),
MENUEVENT(delete_all),
MENUEVENT(select_all),
MENUEVENT(clear_selection),
/* view menu*/
MENUEVENT(expand_all),
MENUEVENT(expand_directories),
MENUEVENT(expand_addresses),
MENUEVENT(collapse_all),
MENUEVENT(collapse_directories),
MENUEVENT(collapse_addresses),
MENUEVENT(launch),
{NULL, NULL}
};
/* edit menu */
MENUHANDLER(delete_selected)
{
global_history_keypress(NS_KEY_DELETE_LEFT);
return TRUE;
}
MENUHANDLER(delete_all)
{
global_history_keypress(NS_KEY_ESCAPE);
global_history_keypress(NS_KEY_ESCAPE);
global_history_keypress(NS_KEY_SELECT_ALL);
global_history_keypress(NS_KEY_DELETE_LEFT);
return TRUE;
}
MENUHANDLER(select_all)
{
global_history_keypress(NS_KEY_ESCAPE);
global_history_keypress(NS_KEY_ESCAPE);
global_history_keypress(NS_KEY_SELECT_ALL);
return TRUE;
}
MENUHANDLER(clear_selection)
{
global_history_keypress(NS_KEY_ESCAPE);
global_history_keypress(NS_KEY_ESCAPE);
global_history_keypress(NS_KEY_CLEAR_SELECTION);
return TRUE;
}
/* view menu*/
MENUHANDLER(expand_all)
{
global_history_expand(false);
return TRUE;
}
MENUHANDLER(expand_directories)
{
global_history_expand(true);
return TRUE;
}
MENUHANDLER(expand_addresses)
{
global_history_expand(false);
return TRUE;
}
MENUHANDLER(collapse_all)
{
global_history_contract(true);
return TRUE;
}
MENUHANDLER(collapse_directories)
{
global_history_contract(true);
return TRUE;
}
MENUHANDLER(collapse_addresses)
{
global_history_contract(false);
return TRUE;
}
MENUHANDLER(launch)
{
global_history_keypress(NS_KEY_CR);
return TRUE;
}
/* file menu */
MENUHANDLER(export)
{
struct nsgtk_global_history_window *ghwin;
GtkWidget *save_dialog;
ghwin = (struct nsgtk_global_history_window *)g;
save_dialog = gtk_file_chooser_dialog_new("Save File",
ghwin->wnd,
GTK_FILE_CHOOSER_ACTION_SAVE,
NSGTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
NSGTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
NULL);
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(save_dialog),
getenv("HOME") ? getenv("HOME") : "/");
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(save_dialog),
"history.html");
if (gtk_dialog_run(GTK_DIALOG(save_dialog)) == GTK_RESPONSE_ACCEPT) {
gchar *filename = gtk_file_chooser_get_filename(
GTK_FILE_CHOOSER(save_dialog));
global_history_export(filename, NULL);
g_free(filename);
}
gtk_widget_destroy(save_dialog);
return TRUE;
}
/**
* Connects menu events in the global history window.
*/
static void
nsgtk_global_history_init_menu(struct nsgtk_global_history_window *ghwin)
{
struct menu_events *event = menu_events;
GtkWidget *w;
while (event->widget != NULL) {
w = GTK_WIDGET(gtk_builder_get_object(ghwin->builder,
event->widget));
if (w == NULL) {
NSLOG(netsurf, INFO,
"Unable to connect menu widget ""%s""",
event->widget);
} else {
g_signal_connect(G_OBJECT(w),
"activate",
event->handler,
ghwin);
}
event++;
}
}
/**
* callback for mouse action on global history window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param mouse_state netsurf mouse state on event
* \param x location of event
* \param y location of event
* \return NSERROR_OK on success otherwise apropriate error code
*/
static nserror
nsgtk_global_history_mouse(struct nsgtk_corewindow *nsgtk_cw,
browser_mouse_state mouse_state,
int x, int y)
{
global_history_mouse_action(mouse_state, x, y);
return NSERROR_OK;
}
/**
* callback for keypress on global history window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param nskey The netsurf key code
* \return NSERROR_OK on success otherwise apropriate error code
*/
static nserror
nsgtk_global_history_key(struct nsgtk_corewindow *nsgtk_cw, uint32_t nskey)
{
if (global_history_keypress(nskey)) {
return NSERROR_OK;
}
return NSERROR_NOT_IMPLEMENTED;
}
/**
* callback on draw event for global history window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param r The rectangle of the window that needs updating.
* \return NSERROR_OK on success otherwise apropriate error code
*/
static nserror
nsgtk_global_history_draw(struct nsgtk_corewindow *nsgtk_cw, struct rect *r)
{
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
global_history_redraw(0, 0, r, &ctx);
return NSERROR_OK;
}
/**
* Creates the window for the global history tree.
*
* \return NSERROR_OK on success else appropriate error code on faliure.
*/
static nserror nsgtk_global_history_init(void)
{
struct nsgtk_global_history_window *ncwin;
nserror res;
if (global_history_window != NULL) {
return NSERROR_OK;
}
ncwin = calloc(1, sizeof(*ncwin));
if (ncwin == NULL) {
return NSERROR_NOMEM;
}
res = nsgtk_builder_new_from_resname("globalhistory", &ncwin->builder);
if (res != NSERROR_OK) {
NSLOG(netsurf, INFO, "History UI builder init failed");
free(ncwin);
return res;
}
gtk_builder_connect_signals(ncwin->builder, NULL);
ncwin->wnd = GTK_WINDOW(gtk_builder_get_object(ncwin->builder,
"wndHistory"));
ncwin->core.scrolled = GTK_SCROLLED_WINDOW(
gtk_builder_get_object(ncwin->builder,
"globalHistoryScrolled"));
ncwin->core.drawing_area = GTK_DRAWING_AREA(
gtk_builder_get_object(ncwin->builder,
"globalHistoryDrawingArea"));
/* make the delete event hide the window */
g_signal_connect(G_OBJECT(ncwin->wnd),
"delete_event",
G_CALLBACK(gtk_widget_hide_on_delete),
NULL);
nsgtk_global_history_init_menu(ncwin);
ncwin->core.draw = nsgtk_global_history_draw;
ncwin->core.key = nsgtk_global_history_key;
ncwin->core.mouse = nsgtk_global_history_mouse;
res = nsgtk_corewindow_init(&ncwin->core);
if (res != NSERROR_OK) {
free(ncwin);
return res;
}
res = global_history_init((struct core_window *)ncwin);
if (res != NSERROR_OK) {
free(ncwin);
return res;
}
/* memoise window so it can be represented when necessary
* instead of recreating every time.
*/
global_history_window = ncwin;
return NSERROR_OK;
}
/* exported function documented gtk/history.h */
nserror nsgtk_global_history_present(void)
{
nserror res;
res = nsgtk_global_history_init();
if (res == NSERROR_OK) {
gtk_window_present(global_history_window->wnd);
}
return res;
}
/* exported function documented gtk/history.h */
nserror nsgtk_global_history_destroy(void)
{
nserror res;
if (global_history_window == NULL) {
return NSERROR_OK;
}
res = global_history_fini();
if (res == NSERROR_OK) {
res = nsgtk_corewindow_fini(&global_history_window->core);
gtk_widget_destroy(GTK_WIDGET(global_history_window->wnd));
g_object_unref(G_OBJECT(global_history_window->builder));
free(global_history_window);
global_history_window = NULL;
}
return res;
}