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netsurf/frontends/gtk/page_info.c

257 lines
6.7 KiB

/*
* Copyright 2015 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 certificate viewing using gtk core windows.
*/
#include <stdint.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "utils/log.h"
#include "utils/messages.h"
#include "netsurf/keypress.h"
#include "netsurf/plotters.h"
#include "netsurf/misc.h"
#include "netsurf/browser_window.h"
#include "desktop/page-info.h"
#include "desktop/gui_internal.h"
#include "gtk/plotters.h"
#include "gtk/scaffolding.h"
#include "gtk/resources.h"
#include "gtk/page_info.h"
#include "gtk/corewindow.h"
/**
* GTK certificate viewing window context
*/
struct nsgtk_pi_window {
/** GTK core window context */
struct nsgtk_corewindow core;
/** GTK builder for window */
GtkBuilder *builder;
/** GTK window being shown */
GtkWindow *dlg;
/** Core page-info window */
struct page_info *pi;
};
/**
* destroy a previously created page information window
*/
static gboolean
nsgtk_pi_delete_event(GtkWidget *w, GdkEvent *event, gpointer data)
{
struct nsgtk_pi_window *pi_win;
pi_win = (struct nsgtk_pi_window *)data;
page_info_destroy(pi_win->pi);
nsgtk_corewindow_fini(&pi_win->core);
gtk_widget_destroy(GTK_WIDGET(pi_win->dlg));
g_object_unref(G_OBJECT(pi_win->builder));
free(pi_win);
return FALSE;
}
/**
* Called to cause the page-info window to close cleanly
*/
static void
nsgtk_pi_close_callback(void *pw)
{
nsgtk_pi_delete_event(NULL, NULL, pw);
}
/**
* callback for mouse action for certificate verify on core 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 appropriate error code
*/
static nserror
nsgtk_pi_mouse(struct nsgtk_corewindow *nsgtk_cw,
browser_mouse_state mouse_state,
int x, int y)
{
struct nsgtk_pi_window *pi_win;
bool did_something = false;
/* technically degenerate container of */
pi_win = (struct nsgtk_pi_window *)nsgtk_cw;
if (page_info_mouse_action(pi_win->pi, mouse_state, x, y, &did_something) == NSERROR_OK) {
if (did_something == true) {
/* Something happened so we need to close ourselves */
guit->misc->schedule(0, nsgtk_pi_close_callback, pi_win);
}
}
return NSERROR_OK;
}
/**
* callback for keypress for certificate verify on core window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param nskey The netsurf key code
* \return NSERROR_OK on success otherwise appropriate error code
*/
static nserror
nsgtk_pi_key(struct nsgtk_corewindow *nsgtk_cw, uint32_t nskey)
{
struct nsgtk_pi_window *pi_win;
/* technically degenerate container of */
pi_win = (struct nsgtk_pi_window *)nsgtk_cw;
if (page_info_keypress(pi_win->pi, nskey)) {
return NSERROR_OK;
}
return NSERROR_NOT_IMPLEMENTED;
}
/**
* callback on draw event for certificate verify on core 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 appropriate error code
*/
static nserror
nsgtk_pi_draw(struct nsgtk_corewindow *nsgtk_cw, struct rect *r)
{
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
struct nsgtk_pi_window *pi_win;
/* technically degenerate container of */
pi_win = (struct nsgtk_pi_window *)nsgtk_cw;
page_info_redraw(pi_win->pi, 0, 0, r, &ctx);
return NSERROR_OK;
}
/* exported interface documented in gtk/page_info.h */
nserror nsgtk_page_info(struct browser_window *bw)
{
struct nsgtk_pi_window *ncwin;
nserror res;
GtkWindow *scaffwin = nsgtk_scaffolding_window(nsgtk_current_scaffolding());
ncwin = calloc(1, sizeof(struct nsgtk_pi_window));
if (ncwin == NULL) {
return NSERROR_NOMEM;
}
res = nsgtk_builder_new_from_resname("pageinfo", &ncwin->builder);
if (res != NSERROR_OK) {
NSLOG(netsurf, CRITICAL, "Page Info UI builder init failed %s", messages_get_errorcode(res));
free(ncwin);
return res;
}
gtk_builder_connect_signals(ncwin->builder, NULL);
ncwin->dlg = GTK_WINDOW(gtk_builder_get_object(ncwin->builder,
"PGIWindow"));
/* Configure for transient behaviour */
gtk_window_set_type_hint(GTK_WINDOW(ncwin->dlg),
GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU);
gtk_window_set_modal(GTK_WINDOW(ncwin->dlg), TRUE);
gtk_window_group_add_window(gtk_window_get_group(scaffwin),
GTK_WINDOW(ncwin->dlg));
gtk_window_set_transient_for(GTK_WINDOW(ncwin->dlg), scaffwin);
gtk_window_set_screen(GTK_WINDOW(ncwin->dlg),
gtk_widget_get_screen(GTK_WIDGET(scaffwin)));
/* Attempt to place the window in the right place */
nsgtk_scaffolding_position_page_info(nsgtk_current_scaffolding(),
ncwin);
ncwin->core.drawing_area = GTK_DRAWING_AREA(
gtk_builder_get_object(ncwin->builder, "PGIDrawingArea"));
/* make the delete event call our destructor */
g_signal_connect(G_OBJECT(ncwin->dlg),
"delete_event",
G_CALLBACK(nsgtk_pi_delete_event),
ncwin);
/* Ditto if we lose the grab */
g_signal_connect(G_OBJECT(ncwin->dlg),
"grab-broken-event",
G_CALLBACK(nsgtk_pi_delete_event),
ncwin);
/* Handle button press events */
g_signal_connect(G_OBJECT(ncwin->dlg),
"button-press-event",
G_CALLBACK(nsgtk_pi_delete_event),
ncwin);
/* initialise GTK core window */
ncwin->core.draw = nsgtk_pi_draw;
ncwin->core.key = nsgtk_pi_key;
ncwin->core.mouse = nsgtk_pi_mouse;
res = nsgtk_corewindow_init(&ncwin->core);
if (res != NSERROR_OK) {
g_object_unref(G_OBJECT(ncwin->dlg));
free(ncwin);
return res;
}
res = page_info_create((struct core_window *)ncwin, bw, &ncwin->pi);
if (res != NSERROR_OK) {
g_object_unref(G_OBJECT(ncwin->dlg));
free(ncwin);
return res;
}
gtk_widget_show(GTK_WIDGET(ncwin->dlg));
gtk_widget_grab_focus(GTK_WIDGET(ncwin->dlg));
return NSERROR_OK;
}
/* exported interface documented in gtk/page_info.h */
void
nsgtk_page_info_set_position(struct nsgtk_pi_window *win, int x, int y)
{
NSLOG(netsurf, INFO, "win=%p x=%d y=%d", win, x, y);
gtk_window_move(GTK_WINDOW(win->dlg), x, y);
}