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netsurf/framebuffer/gui.c

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/*
* Copyright 2008 Vincent Sanders <vince@simtec.co.uk>
*
* 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/>.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <limits.h>
#include <unistd.h>
#include <assert.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <libnsfb.h>
#include <libnsfb_plot.h>
#include <libnsfb_event.h>
#include "desktop/gui.h"
#include "desktop/mouse.h"
#include "desktop/plotters.h"
#include "desktop/netsurf.h"
#include "desktop/options.h"
#include "utils/filepath.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/schedule.h"
#include "utils/types.h"
#include "utils/url.h"
#include "utils/utils.h"
#include "desktop/textinput.h"
#include "render/form.h"
#include "framebuffer/gui.h"
#include "framebuffer/fbtk.h"
#include "framebuffer/framebuffer.h"
#include "framebuffer/schedule.h"
#include "framebuffer/findfile.h"
#include "framebuffer/image_data.h"
#include "framebuffer/font.h"
#include "content/urldb.h"
#include "desktop/history_core.h"
#include "content/fetch.h"
#define NSFB_TOOLBAR_DEFAULT_LAYOUT "blfsrut"
fbtk_widget_t *fbtk;
struct gui_window *input_window = NULL;
struct gui_window *search_current_window;
struct gui_window *window_list = NULL;
/* private data for browser user widget */
struct browser_widget_s {
struct browser_window *bw; /**< The browser window connected to this gui window */
int scrollx, scrolly; /**< scroll offsets. */
/* Pending window redraw state. */
bool redraw_required; /**< flag indicating the foreground loop
* needs to redraw the browser widget.
*/
bbox_t redraw_box; /**< Area requiring redraw. */
bool pan_required; /**< flag indicating the foreground loop
* needs to pan the window.
*/
int panx, pany; /**< Panning required. */
};
/* queue a redraw operation, co-ordinates are relative to the window */
static void
fb_queue_redraw(struct fbtk_widget_s *widget, int x0, int y0, int x1, int y1)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
bwidget->redraw_box.x0 = min(bwidget->redraw_box.x0, x0);
bwidget->redraw_box.y0 = min(bwidget->redraw_box.y0, y0);
bwidget->redraw_box.x1 = max(bwidget->redraw_box.x1, x1);
bwidget->redraw_box.y1 = max(bwidget->redraw_box.y1, y1);
if (fbtk_clip_to_widget(widget, &bwidget->redraw_box)) {
bwidget->redraw_required = true;
fbtk_request_redraw(widget);
} else {
bwidget->redraw_box.y0 = bwidget->redraw_box.x0 = INT_MAX;
bwidget->redraw_box.y1 = bwidget->redraw_box.x1 = -(INT_MAX);
bwidget->redraw_required = false;
}
}
/* queue a window scroll */
static void
widget_scroll_y(struct gui_window *gw, int y, bool abs)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(gw->browser);
int content_height;
int height;
float scale = gw->bw->scale;
LOG(("window scroll"));
if (abs) {
bwidget->pany = y - bwidget->scrolly;
} else {
bwidget->pany += y;
}
content_height = content_get_height(gw->bw->current_content) * scale;
height = fbtk_get_height(gw->browser);
/* dont pan off the top */
if ((bwidget->scrolly + bwidget->pany) < 0)
bwidget->pany = -bwidget->scrolly;
/* do not pan off the bottom of the content */
if ((bwidget->scrolly + bwidget->pany) > (content_height - height))
bwidget->pany = (content_height - height) - bwidget->scrolly;
if (bwidget->pany == 0)
return;
bwidget->pan_required = true;
fbtk_request_redraw(gw->browser);
fbtk_set_scroll_position(gw->vscroll, bwidget->scrolly + bwidget->pany);
}
/* queue a window scroll */
static void
widget_scroll_x(struct gui_window *gw, int x, bool abs)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(gw->browser);
int content_width;
int width;
float scale = gw->bw->scale;
if (abs) {
bwidget->panx = x - bwidget->scrollx;
} else {
bwidget->panx += x;
}
content_width = content_get_width(gw->bw->current_content) * scale;
width = fbtk_get_width(gw->browser);
/* dont pan off the left */
if ((bwidget->scrollx + bwidget->panx) < 0)
bwidget->panx = - bwidget->scrollx;
/* do not pan off the right of the content */
if ((bwidget->scrollx + bwidget->panx) > (content_width - width))
bwidget->panx = (content_width - width) - bwidget->scrollx;
if (bwidget->panx == 0)
return;
bwidget->pan_required = true;
fbtk_request_redraw(gw->browser);
fbtk_set_scroll_position(gw->hscroll, bwidget->scrollx + bwidget->panx);
}
static void
fb_pan(fbtk_widget_t *widget,
struct browser_widget_s *bwidget,
struct browser_window *bw)
{
int x;
int y;
int width;
int height;
nsfb_bbox_t srcbox;
nsfb_bbox_t dstbox;
nsfb_t *nsfb = fbtk_get_nsfb(widget);
height = fbtk_get_height(widget);
width = fbtk_get_width(widget);
LOG(("panning %d, %d", bwidget->panx, bwidget->pany));
x = fbtk_get_absx(widget);
y = fbtk_get_absy(widget);
/* if the pan exceeds the viewport size just redraw the whole area */
if (bwidget->pany >= height || bwidget->pany <= -height ||
bwidget->panx >= width || bwidget->panx <= -width) {
bwidget->scrolly += bwidget->pany;
bwidget->scrollx += bwidget->panx;
fb_queue_redraw(widget, 0, 0, width, height);
/* ensure we don't try to scroll again */
bwidget->panx = 0;
bwidget->pany = 0;
bwidget->pan_required = false;
return;
}
if (bwidget->pany < 0) {
/* pan up by less then viewport height */
srcbox.x0 = x;
srcbox.y0 = y;
srcbox.x1 = srcbox.x0 + width;
srcbox.y1 = srcbox.y0 + height + bwidget->pany;
dstbox.x0 = x;
dstbox.y0 = y - bwidget->pany;
dstbox.x1 = dstbox.x0 + width;
dstbox.y1 = dstbox.y0 + height + bwidget->pany;
/* move part that remains visible up */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrolly += bwidget->pany;
fb_queue_redraw(widget, 0, 0, width, - bwidget->pany);
} else if (bwidget->pany > 0) {
/* pan down by less then viewport height */
srcbox.x0 = x;
srcbox.y0 = y + bwidget->pany;
srcbox.x1 = srcbox.x0 + width;
srcbox.y1 = srcbox.y0 + height - bwidget->pany;
dstbox.x0 = x;
dstbox.y0 = y;
dstbox.x1 = dstbox.x0 + width;
dstbox.y1 = dstbox.y0 + height - bwidget->pany;
/* move part that remains visible down */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrolly += bwidget->pany;
fb_queue_redraw(widget, 0, height - bwidget->pany,
width, height);
}
if (bwidget->panx < 0) {
/* pan left by less then viewport width */
srcbox.x0 = x;
srcbox.y0 = y;
srcbox.x1 = srcbox.x0 + width + bwidget->panx;
srcbox.y1 = srcbox.y0 + height;
dstbox.x0 = x - bwidget->panx;
dstbox.y0 = y;
dstbox.x1 = dstbox.x0 + width + bwidget->panx;
dstbox.y1 = dstbox.y0 + height;
/* move part that remains visible left */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrollx += bwidget->panx;
fb_queue_redraw(widget, 0, 0, -bwidget->panx, height);
} else if (bwidget->panx > 0) {
/* pan right by less then viewport width */
srcbox.x0 = x + bwidget->panx;
srcbox.y0 = y;
srcbox.x1 = srcbox.x0 + width - bwidget->panx;
srcbox.y1 = srcbox.y0 + height;
dstbox.x0 = x;
dstbox.y0 = y;
dstbox.x1 = dstbox.x0 + width - bwidget->panx;
dstbox.y1 = dstbox.y0 + height;
/* move part that remains visible right */
nsfb_plot_copy(nsfb, &srcbox, nsfb, &dstbox);
/* redraw newly exposed area */
bwidget->scrollx += bwidget->panx;
fb_queue_redraw(widget, width - bwidget->panx, 0,
width, height);
}
bwidget->pan_required = false;
bwidget->panx = 0;
bwidget->pany = 0;
}
static void
fb_redraw(fbtk_widget_t *widget,
struct browser_widget_s *bwidget,
struct browser_window *bw)
{
int x;
int y;
int caret_x, caret_y, caret_h;
struct rect clip;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &fb_plotters
};
nsfb_t *nsfb = fbtk_get_nsfb(widget);
LOG(("%d,%d to %d,%d",
bwidget->redraw_box.x0,
bwidget->redraw_box.y0,
bwidget->redraw_box.x1,
bwidget->redraw_box.y1));
x = fbtk_get_absx(widget);
y = fbtk_get_absy(widget);
/* adjust clipping co-ordinates according to window location */
bwidget->redraw_box.y0 += y;
bwidget->redraw_box.y1 += y;
bwidget->redraw_box.x0 += x;
bwidget->redraw_box.x1 += x;
nsfb_claim(nsfb, &bwidget->redraw_box);
/* redraw bounding box is relative to window */
clip.x0 = bwidget->redraw_box.x0;
clip.y0 = bwidget->redraw_box.y0;
clip.x1 = bwidget->redraw_box.x1;
clip.y1 = bwidget->redraw_box.y1;
browser_window_redraw(bw,
(x - bwidget->scrollx) / bw->scale,
(y - bwidget->scrolly) / bw->scale,
&clip, &ctx);
if (fbtk_get_caret(widget, &caret_x, &caret_y, &caret_h)) {
/* This widget has caret, so render it */
nsfb_bbox_t line;
nsfb_plot_pen_t pen;
line.x0 = x - bwidget->scrollx + caret_x;
line.y0 = y - bwidget->scrolly + caret_y;
line.x1 = x - bwidget->scrollx + caret_x;
line.y1 = y - bwidget->scrolly + caret_y + caret_h;
pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID;
pen.stroke_width = 1;
pen.stroke_colour = 0xFF0000FF;
nsfb_plot_line(nsfb, &line, &pen);
}
nsfb_update(fbtk_get_nsfb(widget), &bwidget->redraw_box);
bwidget->redraw_box.y0 = bwidget->redraw_box.x0 = INT_MAX;
bwidget->redraw_box.y1 = bwidget->redraw_box.x1 = INT_MIN;
bwidget->redraw_required = false;
}
static int
fb_browser_window_redraw(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget;
bwidget = fbtk_get_userpw(widget);
if (bwidget == NULL) {
LOG(("browser widget from widget %p was null", widget));
return -1;
}
if (bwidget->pan_required) {
fb_pan(widget, bwidget, gw->bw);
}
if (bwidget->redraw_required) {
fb_redraw(widget, bwidget, gw->bw);
} else {
bwidget->redraw_box.x0 = 0;
bwidget->redraw_box.y0 = 0;
bwidget->redraw_box.x1 = fbtk_get_width(widget);
bwidget->redraw_box.y1 = fbtk_get_height(widget);
fb_redraw(widget, bwidget, gw->bw);
}
return 0;
}
static const char *fename;
static int febpp;
static int fewidth;
static int feheight;
static const char *feurl;
static bool
process_cmdline(int argc, char** argv)
{
int opt;
LOG(("argc %d, argv %p", argc, argv));
fename = "sdl";
febpp = 32;
if ((nsoption_int(window_width) != 0) &&
(nsoption_int(window_height) != 0)) {
fewidth = nsoption_int(window_width);
feheight = nsoption_int(window_height);
} else {
fewidth = 800;
feheight = 600;
}
if ((nsoption_charp(homepage_url) != NULL) &&
(nsoption_charp(homepage_url)[0] != '\0')) {
feurl = nsoption_charp(homepage_url);
} else {
feurl = NETSURF_HOMEPAGE;
}
while((opt = getopt(argc, argv, "f:b:w:h:")) != -1) {
switch (opt) {
case 'f':
fename = optarg;
break;
case 'b':
febpp = atoi(optarg);
break;
case 'w':
fewidth = atoi(optarg);
break;
case 'h':
feheight = atoi(optarg);
break;
default:
fprintf(stderr,
"Usage: %s [-f frontend] [-b bpp] url\n",
argv[0]);
return false;
}
}
if (optind < argc) {
feurl = argv[optind];
}
return true;
}
static void
gui_init(int argc, char** argv)
{
nsfb_t *nsfb;
nsoption_set_bool(core_select_menu, true);
if (nsoption_charp(cookie_file) == NULL) {
nsoption_set_charp(cookie_file, strdup("~/.netsurf/Cookies"));
LOG(("Using '%s' as Cookies file", nsoption_charp(cookie_file)));
}
if (nsoption_charp(cookie_jar) == NULL) {
nsoption_set_charp(cookie_jar, strdup("~/.netsurf/Cookies"));
LOG(("Using '%s' as Cookie Jar file", nsoption_charp(cookie_jar)));
}
if (nsoption_charp(cookie_file) == NULL || nsoption_charp(cookie_jar == NULL))
die("Failed initialising cookie options");
if (process_cmdline(argc,argv) != true)
die("unable to process command line.\n");
nsfb = framebuffer_initialise(fename, fewidth, feheight, febpp);
if (nsfb == NULL)
die("Unable to initialise framebuffer");
framebuffer_set_cursor(&pointer_image);
if (fb_font_init() == false)
die("Unable to initialise the font system");
fbtk = fbtk_init(nsfb);
fbtk_enable_oskb(fbtk);
urldb_load_cookies(nsoption_charp(cookie_file));
}
/** Entry point from OS.
*
* /param argc The number of arguments in the string vector.
* /param argv The argument string vector.
* /return The return code to the OS
*/
int
main(int argc, char** argv)
{
struct browser_window *bw;
char *options;
char *messages;
setbuf(stderr, NULL);
respaths = fb_init_resource("${HOME}/.netsurf/:${NETSURFRES}:"NETSURF_FB_RESPATH":./framebuffer/res:"NETSURF_FB_FONTPATH);
options = filepath_find(respaths, "Choices");
messages = filepath_find(respaths, "messages");
netsurf_init(&argc, &argv, options, messages);
free(messages);
free(options);
gui_init(argc, argv);
LOG(("calling browser_window_create"));
bw = browser_window_create(feurl, 0, 0, true, false);
netsurf_main_loop();
browser_window_destroy(bw);
netsurf_exit();
return 0;
}
void
gui_poll(bool active)
{
nsfb_event_t event;
int timeout; /* timeout in miliseconds */
/* run the scheduler and discover how long to wait for the next event */
timeout = schedule_run();
/* if active do not wait for event, return immediately */
if (active)
timeout = 0;
/* if redraws are pending do not wait for event, return immediately */
if (fbtk_get_redraw_pending(fbtk))
timeout = 0;
if (fbtk_event(fbtk, &event, timeout)) {
if ((event.type == NSFB_EVENT_CONTROL) &&
(event.value.controlcode == NSFB_CONTROL_QUIT))
netsurf_quit = true;
}
fbtk_redraw(fbtk);
}
void
gui_quit(void)
{
LOG(("gui_quit"));
urldb_save_cookies(nsoption_charp(cookie_jar));
framebuffer_finalise();
}
/* called back when click in browser window */
static int
fb_browser_window_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
float scale;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN &&
cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
LOG(("browser window clicked at %d,%d", cbi->x, cbi->y));
switch (cbi->event->type) {
case NSFB_EVENT_KEY_DOWN:
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
scale = gw->bw->scale;
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_1,
(cbi->x + bwidget->scrollx) / scale,
(cbi->y + bwidget->scrolly) / scale);
break;
case NSFB_KEY_MOUSE_3:
scale = gw->bw->scale;
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_2,
(cbi->x + bwidget->scrollx) / scale,
(cbi->y + bwidget->scrolly) / scale);
break;
case NSFB_KEY_MOUSE_4:
/* scroll up */
scale = gw->bw->scale;
if (browser_window_scroll_at_point(gw->bw,
(cbi->x + bwidget->scrollx) / scale,
(cbi->y + bwidget->scrolly) / scale,
0, -100) == false)
widget_scroll_y(gw, -100, false);
break;
case NSFB_KEY_MOUSE_5:
/* scroll down */
scale = gw->bw->scale;
if (browser_window_scroll_at_point(gw->bw,
(cbi->x + bwidget->scrollx) / scale,
(cbi->y + bwidget->scrolly) / scale,
0, 100) == false)
widget_scroll_y(gw, 100, false);
break;
default:
break;
}
break;
case NSFB_EVENT_KEY_UP:
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
scale = gw->bw->scale;
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_CLICK_1,
(cbi->x + bwidget->scrollx) / scale,
(cbi->y + bwidget->scrolly) / scale);
break;
case NSFB_KEY_MOUSE_3:
scale = gw->bw->scale;
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_CLICK_2,
(cbi->x + bwidget->scrollx) / scale,
(cbi->y + bwidget->scrolly) / scale);
break;
default:
break;
}
break;
default:
break;
}
return 1;
}
/* called back when movement in browser window */
static int
fb_browser_window_move(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
browser_window_mouse_track(gw->bw, 0,
(cbi->x + bwidget->scrollx) / gw->bw->scale,
(cbi->y + bwidget->scrolly) / gw->bw->scale);
return 0;
}
static int
fb_browser_window_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
static uint8_t modifier = 0;
int ucs4 = -1;
LOG(("got value %d", cbi->event->value.keycode));
switch (cbi->event->type) {
case NSFB_EVENT_KEY_DOWN:
switch (cbi->event->value.keycode) {
case NSFB_KEY_PAGEUP:
if (browser_window_key_press(gw->bw, KEY_PAGE_UP) == false)
widget_scroll_y(gw, -fbtk_get_height(gw->browser), false);
break;
case NSFB_KEY_PAGEDOWN:
if (browser_window_key_press(gw->bw, KEY_PAGE_DOWN) == false)
widget_scroll_y(gw, fbtk_get_height(gw->browser), false);
break;
case NSFB_KEY_RIGHT:
if (browser_window_key_press(gw->bw, KEY_RIGHT) == false)
widget_scroll_x(gw, 100, false);
break;
case NSFB_KEY_LEFT:
if (browser_window_key_press(gw->bw, KEY_LEFT) == false)
widget_scroll_x(gw, -100, false);
break;
case NSFB_KEY_UP:
if (browser_window_key_press(gw->bw, KEY_UP) == false)
widget_scroll_y(gw, -100, false);
break;
case NSFB_KEY_DOWN:
if (browser_window_key_press(gw->bw, KEY_DOWN) == false)
widget_scroll_y(gw, 100, false);
break;
case NSFB_KEY_RSHIFT:
modifier |= 1;
break;
case NSFB_KEY_LSHIFT:
modifier |= 1<<1;
break;
default:
ucs4 = fbtk_keycode_to_ucs4(cbi->event->value.keycode,
modifier);
if (ucs4 != -1)
browser_window_key_press(gw->bw, ucs4);
break;
}
break;
case NSFB_EVENT_KEY_UP:
switch (cbi->event->value.keycode) {
case NSFB_KEY_RSHIFT:
modifier &= ~1;
break;
case NSFB_KEY_LSHIFT:
modifier &= ~(1<<1);
break;
default:
break;
}
break;
default:
break;
}
return 0;
}
static void
fb_update_back_forward(struct gui_window *gw)
{
struct browser_window *bw = gw->bw;
fbtk_set_bitmap(gw->back,
(browser_window_back_available(bw)) ?
&left_arrow : &left_arrow_g);
fbtk_set_bitmap(gw->forward,
(browser_window_forward_available(bw)) ?
&right_arrow : &right_arrow_g);
}
/* left icon click routine */
static int
fb_leftarrow_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_window *bw = gw->bw;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
if (history_back_available(bw->history))
history_back(bw, bw->history);
fb_update_back_forward(gw);
return 1;
}
/* right arrow icon click routine */
static int
fb_rightarrow_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_window *bw = gw->bw;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
if (history_forward_available(bw->history))
history_forward(bw, bw->history);
fb_update_back_forward(gw);
return 1;
}
/* reload icon click routine */
static int
fb_reload_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct browser_window *bw = cbi->context;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
browser_window_reload(bw, true);
return 1;
}
/* stop icon click routine */
static int
fb_stop_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct browser_window *bw = cbi->context;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
browser_window_stop(bw);
return 0;
}
static int
fb_osk_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
map_osk();
return 0;
}
/* close browser window icon click routine */
static int
fb_close_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
netsurf_quit = true;
return 0;
}
static int
fb_scroll_callback(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
switch (cbi->type) {
case FBTK_CBT_SCROLLY:
widget_scroll_y(gw, cbi->y, true);
break;
case FBTK_CBT_SCROLLX:
widget_scroll_x(gw, cbi->x, true);
break;
default:
break;
}
return 0;
}
static int
fb_url_enter(void *pw, char *text)
{
struct browser_window *bw = pw;
browser_window_go(bw, text, 0, true);
return 0;
}
static int
fb_url_move(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
framebuffer_set_cursor(&caret_image);
return 0;
}
static int
set_ptr_default_move(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
framebuffer_set_cursor(&pointer_image);
return 0;
}
static int
fb_localhistory_btn_clik(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
fb_localhistory_map(gw->localhistory);
return 0;
}
/** Create a toolbar window and populate it with buttons.
*
* The toolbar layout uses a character to define buttons type and position:
* b - back
* l - local history
* f - forward
* s - stop
* r - refresh
* u - url bar expands to fit remaining space
* t - throbber/activity indicator
* c - close the current window
*
* The default layout is "blfsrut" there should be no more than a
* single url bar entry or behaviour will be undefined.
*
* @param gw Parent window
* @param toolbar_height The height in pixels of the toolbar
* @param padding The padding in pixels round each element of the toolbar
* @param frame_col Frame colour.
* @param toolbar_layout A string defining which buttons and controls
* should be added to the toolbar. May be empty
* string to disable the bar..
*
*/
static fbtk_widget_t *
create_toolbar(struct gui_window *gw,
int toolbar_height,
int padding,
colour frame_col,
const char *toolbar_layout)
{
fbtk_widget_t *toolbar;
fbtk_widget_t *widget;
int xpos; /* The position of the next widget. */
int xlhs = 0; /* extent of the left hand side widgets */
int xdir = 1; /* the direction of movement + or - 1 */
const char *itmtype; /* type of the next item */
if (toolbar_layout == NULL) {
toolbar_layout = NSFB_TOOLBAR_DEFAULT_LAYOUT;
}
LOG(("Using toolbar layout %s", toolbar_layout));
itmtype = toolbar_layout;
if (*itmtype == 0) {
return NULL;
}
toolbar = fbtk_create_window(gw->window, 0, 0, 0,
toolbar_height,
frame_col);
if (toolbar == NULL) {
return NULL;
}
fbtk_set_handler(toolbar,
FBTK_CBT_POINTERENTER,
set_ptr_default_move,
NULL);
xpos = padding;
/* loop proceeds creating widget on the left hand side until
* it runs out of layout or encounters a url bar declaration
* wherupon it works backwards from the end of the layout
* untill the space left is for the url bar
*/
while ((itmtype >= toolbar_layout) &&
(*itmtype != 0) &&
(xdir !=0)) {
LOG(("toolbar adding %c", *itmtype));
switch (*itmtype) {
case 'b': /* back */
widget = fbtk_create_button(toolbar,
(xdir == 1) ? xpos :
xpos - left_arrow.width,
padding,
left_arrow.width,
-padding,
frame_col,
&left_arrow,
fb_leftarrow_click,
gw);
gw->back = widget; /* keep reference */
break;
case 'l': /* local history */
widget = fbtk_create_button(toolbar,
(xdir == 1) ? xpos :
xpos - history_image.width,
padding,
history_image.width,
-padding,
frame_col,
&history_image,
fb_localhistory_btn_clik,
gw);
break;
case 'f': /* forward */
widget = fbtk_create_button(toolbar,
(xdir == 1)?xpos :
xpos - right_arrow.width,
padding,
right_arrow.width,
-padding,
frame_col,
&right_arrow,
fb_rightarrow_click,
gw);
gw->forward = widget;
break;
case 'c': /* close the current window */
widget = fbtk_create_button(toolbar,
(xdir == 1)?xpos :
xpos - stop_image_g.width,
padding,
stop_image_g.width,
-padding,
frame_col,
&stop_image_g,
fb_close_click,
gw->bw);
break;
case 's': /* stop */
widget = fbtk_create_button(toolbar,
(xdir == 1)?xpos :
xpos - stop_image.width,
padding,
stop_image.width,
-padding,
frame_col,
&stop_image,
fb_stop_click,
gw->bw);
break;
case 'r': /* reload */
widget = fbtk_create_button(toolbar,
(xdir == 1)?xpos :
xpos - reload.width,
padding,
reload.width,
-padding,
frame_col,
&reload,
fb_reload_click,
gw->bw);
break;
case 't': /* throbber/activity indicator */
widget = fbtk_create_bitmap(toolbar,
(xdir == 1)?xpos :
xpos - throbber0.width,
padding,
throbber0.width,
-padding,
frame_col,
&throbber0);
gw->throbber = widget;
break;
case 'u': /* url bar*/
if (xdir == -1) {
/* met the u going backwards add url
* now we know available extent
*/
widget = fbtk_create_writable_text(toolbar,
xlhs,
padding,
xpos - xlhs,
-padding,
FB_COLOUR_WHITE,
FB_COLOUR_BLACK,
true,
fb_url_enter,
gw->bw);
fbtk_set_handler(widget,
FBTK_CBT_POINTERENTER,
fb_url_move, gw->bw);
gw->url = widget; /* keep reference */
/* toolbar is complete */
xdir = 0;
break;
}
/* met url going forwards, note position and
* reverse direction
*/
itmtype = toolbar_layout + strlen(toolbar_layout);
xdir = -1;
xlhs = xpos;
xpos = (2 * fbtk_get_width(toolbar));
widget = toolbar;
break;
default:
widget = NULL;
xdir = 0;
LOG(("Unknown element %c in toolbar layout", *itmtype));
break;
}
if (widget != NULL) {
xpos += (xdir * (fbtk_get_width(widget) + padding));
}
LOG(("xpos is %d",xpos));
itmtype += xdir;
}
fbtk_set_mapping(toolbar, true);
return toolbar;
}
/** Routine called when "stripped of focus" event occours for browser widget.
*
* @param widget The widget reciving "stripped of focus" event.
* @param cbi The callback parameters.
* @return The callback result.
*/
static int
fb_browser_window_strip_focus(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
fbtk_set_caret(widget, false, 0, 0, 0, NULL);
return 0;
}
static void
create_browser_widget(struct gui_window *gw, int toolbar_height, int furniture_width)
{
struct browser_widget_s *browser_widget;
browser_widget = calloc(1, sizeof(struct browser_widget_s));
gw->browser = fbtk_create_user(gw->window,
0,
toolbar_height,
-furniture_width,
-furniture_width,
browser_widget);
fbtk_set_handler(gw->browser, FBTK_CBT_REDRAW, fb_browser_window_redraw, gw);
fbtk_set_handler(gw->browser, FBTK_CBT_INPUT, fb_browser_window_input, gw);
fbtk_set_handler(gw->browser, FBTK_CBT_CLICK, fb_browser_window_click, gw);
fbtk_set_handler(gw->browser, FBTK_CBT_STRIP_FOCUS, fb_browser_window_strip_focus, gw);
fbtk_set_handler(gw->browser, FBTK_CBT_POINTERMOVE, fb_browser_window_move, gw);
}
static void
create_normal_browser_window(struct gui_window *gw, int furniture_width)
{
fbtk_widget_t *widget;
fbtk_widget_t *toolbar;
int statusbar_width = 0;
int toolbar_height = nsoption_int(fb_toolbar_size);
LOG(("Normal window"));
gw->window = fbtk_create_window(fbtk, 0, 0, 0, 0, 0);
statusbar_width = nsoption_int(toolbar_status_width) *
fbtk_get_width(gw->window) / 10000;
/* toolbar */
toolbar = create_toolbar(gw,
toolbar_height,
2,
FB_FRAME_COLOUR,
nsoption_charp(fb_toolbar_layout));
/* set the actually created toolbar height */
if (toolbar != NULL) {
toolbar_height = fbtk_get_height(toolbar);
} else {
toolbar_height = 0;
}
/* status bar */
gw->status = fbtk_create_text(gw->window,
0,
fbtk_get_height(gw->window) - furniture_width,
statusbar_width, furniture_width,
FB_FRAME_COLOUR, FB_COLOUR_BLACK,
false);
fbtk_set_handler(gw->status, FBTK_CBT_POINTERENTER, set_ptr_default_move, NULL);
LOG(("status bar %p at %d,%d", gw->status, fbtk_get_absx(gw->status), fbtk_get_absy(gw->status)));
/* create horizontal scrollbar */
gw->hscroll = fbtk_create_hscroll(gw->window,
statusbar_width,
fbtk_get_height(gw->window) - furniture_width,
fbtk_get_width(gw->window) - statusbar_width - furniture_width,
furniture_width,
FB_SCROLL_COLOUR,
FB_FRAME_COLOUR,
fb_scroll_callback,
gw);
/* fill bottom right area */
if (nsoption_bool(fb_osk) == true) {
widget = fbtk_create_text_button(gw->window,
fbtk_get_width(gw->window) - furniture_width,
fbtk_get_height(gw->window) - furniture_width,
furniture_width,
furniture_width,
FB_FRAME_COLOUR, FB_COLOUR_BLACK,
fb_osk_click,
NULL);
fbtk_set_text(widget, "\xe2\x8c\xa8");
} else {
widget = fbtk_create_fill(gw->window,
fbtk_get_width(gw->window) - furniture_width,
fbtk_get_height(gw->window) - furniture_width,
furniture_width,
furniture_width,
FB_FRAME_COLOUR);
fbtk_set_handler(widget, FBTK_CBT_POINTERENTER, set_ptr_default_move, NULL);
}
/* create vertical scrollbar */
gw->vscroll = fbtk_create_vscroll(gw->window,
fbtk_get_width(gw->window) - furniture_width,
toolbar_height,
furniture_width,
fbtk_get_height(gw->window) - toolbar_height - furniture_width,
FB_SCROLL_COLOUR,
FB_FRAME_COLOUR,
fb_scroll_callback,
gw);
/* browser widget */
create_browser_widget(gw, toolbar_height, nsoption_int(fb_furniture_size));
/* Give browser_window's user widget input focus */
fbtk_set_focus(gw->browser);
}
struct gui_window *
gui_create_browser_window(struct browser_window *bw,
struct browser_window *clone,
bool new_tab)
{
struct gui_window *gw;
gw = calloc(1, sizeof(struct gui_window));
if (gw == NULL)
return NULL;
/* seems we need to associate the gui window with the underlying
* browser window
*/
gw->bw = bw;
create_normal_browser_window(gw, nsoption_int(fb_furniture_size));
gw->localhistory = fb_create_localhistory(bw, fbtk, nsoption_int(fb_furniture_size));
/* map and request redraw of gui window */
fbtk_set_mapping(gw->window, true);
return gw;
}
void
gui_window_destroy(struct gui_window *gw)
{
fbtk_destroy_widget(gw->window);
free(gw);
}
void
gui_window_set_title(struct gui_window *g, const char *title)
{
LOG(("%p, %s", g, title));
}
void
gui_window_redraw_window(struct gui_window *g)
{
fb_queue_redraw(g->browser, 0, 0, fbtk_get_width(g->browser), fbtk_get_height(g->browser) );
}
void
gui_window_update_box(struct gui_window *g, const struct rect *rect)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(g->browser);
fb_queue_redraw(g->browser,
rect->x0 - bwidget->scrollx,
rect->y0 - bwidget->scrolly,
rect->x1 - bwidget->scrollx,
rect->y1 - bwidget->scrolly);
}
bool
gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(g->browser);
*sx = bwidget->scrollx / g->bw->scale;
*sy = bwidget->scrolly / g->bw->scale;
return true;
}
void
gui_window_set_scroll(struct gui_window *gw, int sx, int sy)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(gw->browser);
assert(bwidget);
widget_scroll_x(gw, sx * gw->bw->scale, true);
widget_scroll_y(gw, sy * gw->bw->scale, true);
}
void
gui_window_scroll_visible(struct gui_window *g, int x0, int y0,
int x1, int y1)
{
LOG(("%s:(%p, %d, %d, %d, %d)", __func__, g, x0, y0, x1, y1));
}
void
gui_window_get_dimensions(struct gui_window *g,
int *width,
int *height,
bool scaled)
{
*width = fbtk_get_width(g->browser);
*height = fbtk_get_height(g->browser);
if (scaled) {
*width /= g->bw->scale;
*height /= g->bw->scale;
}
}
void
gui_window_update_extent(struct gui_window *gw)
{
float scale = gw->bw->scale;
fbtk_set_scroll_parameters(gw->hscroll, 0,
content_get_width(gw->bw->current_content) * scale,
fbtk_get_width(gw->browser), 100);
fbtk_set_scroll_parameters(gw->vscroll, 0,
content_get_height(gw->bw->current_content) * scale,
fbtk_get_height(gw->browser), 100);
}
void
gui_window_set_status(struct gui_window *g, const char *text)
{
fbtk_set_text(g->status, text);
}
void
gui_window_set_pointer(struct gui_window *g, gui_pointer_shape shape)
{
switch (shape) {
case GUI_POINTER_POINT:
framebuffer_set_cursor(&hand_image);
break;
case GUI_POINTER_CARET:
framebuffer_set_cursor(&caret_image);
break;
case GUI_POINTER_MENU:
framebuffer_set_cursor(&menu_image);
break;
case GUI_POINTER_PROGRESS:
framebuffer_set_cursor(&progress_image);
break;
default:
framebuffer_set_cursor(&pointer_image);
break;
}
}
void
gui_window_hide_pointer(struct gui_window *g)
{
}
void
gui_window_set_url(struct gui_window *g, const char *url)
{
fbtk_set_text(g->url, url);
}
static void
throbber_advance(void *pw)
{
struct gui_window *g = pw;
struct fbtk_bitmap *image;
switch (g->throbber_index) {
case 0:
image = &throbber1;
g->throbber_index = 1;
break;
case 1:
image = &throbber2;
g->throbber_index = 2;
break;
case 2:
image = &throbber3;
g->throbber_index = 3;
break;
case 3:
image = &throbber4;
g->throbber_index = 4;
break;
case 4:
image = &throbber5;
g->throbber_index = 5;
break;
case 5:
image = &throbber6;
g->throbber_index = 6;
break;
case 6:
image = &throbber7;
g->throbber_index = 7;
break;
case 7:
image = &throbber8;
g->throbber_index = 0;
break;
default:
return;
}
if (g->throbber_index >= 0) {
fbtk_set_bitmap(g->throbber, image);
schedule(10, throbber_advance, g);
}
}
void
gui_window_start_throbber(struct gui_window *g)
{
g->throbber_index = 0;
schedule(10, throbber_advance, g);
}
void
gui_window_stop_throbber(struct gui_window *gw)
{
gw->throbber_index = -1;
fbtk_set_bitmap(gw->throbber, &throbber0);
fb_update_back_forward(gw);
}
static void
gui_window_remove_caret_cb(fbtk_widget_t *widget)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
int c_x, c_y, c_h;
if (fbtk_get_caret(widget, &c_x, &c_y, &c_h)) {
/* browser window already had caret:
* redraw its area to remove it first */
fb_queue_redraw(widget,
c_x - bwidget->scrollx,
c_y - bwidget->scrolly,
c_x + 1 - bwidget->scrollx,
c_y + c_h - bwidget->scrolly);
}
}
void
gui_window_place_caret(struct gui_window *g, int x, int y, int height)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(g->browser);
/* set new pos */
fbtk_set_caret(g->browser, true, x, y, height,
gui_window_remove_caret_cb);
/* redraw new caret pos */
fb_queue_redraw(g->browser,
x - bwidget->scrollx,
y - bwidget->scrolly,
x + 1 - bwidget->scrollx,
y + height - bwidget->scrolly);
}
void
gui_window_remove_caret(struct gui_window *g)
{
int c_x, c_y, c_h;
if (fbtk_get_caret(g->browser, &c_x, &c_y, &c_h)) {
/* browser window owns the caret, so can remove it */
fbtk_set_caret(g->browser, false, 0, 0, 0, NULL);
}
}
void
gui_window_new_content(struct gui_window *g)
{
}
bool
gui_window_scroll_start(struct gui_window *g)
{
return true;
}
bool
gui_window_drag_start(struct gui_window *g, gui_drag_type type,
const struct rect *rect)
{
return true;
}
void
gui_window_save_link(struct gui_window *g, const char *url, const char *title)
{
}
/**
* set favicon
*/
void
gui_window_set_icon(struct gui_window *g, hlcache_handle *icon)
{
}
/**
* set gui display of a retrieved favicon representing the search provider
* \param ico may be NULL for local calls; then access current cache from
* search_web_ico()
*/
void
gui_window_set_search_ico(hlcache_handle *ico)
{
}
struct gui_download_window *
gui_download_window_create(download_context *ctx, struct gui_window *parent)
{
return NULL;
}
nserror
gui_download_window_data(struct gui_download_window *dw,
const char *data,
unsigned int size)
{
return NSERROR_OK;
}
void
gui_download_window_error(struct gui_download_window *dw,
const char *error_msg)
{
}
void
gui_download_window_done(struct gui_download_window *dw)
{
}
void
gui_drag_save_object(gui_save_type type,
hlcache_handle *c,
struct gui_window *w)
{
}
void
gui_drag_save_selection(struct selection *s, struct gui_window *g)
{
}
void
gui_start_selection(struct gui_window *g)
{
}
void
gui_clear_selection(struct gui_window *g)
{
}
void
gui_paste_from_clipboard(struct gui_window *g, int x, int y)
{
}
bool
gui_empty_clipboard(void)
{
return false;
}
bool
gui_add_to_clipboard(const char *text, size_t length, bool space)
{
return false;
}
bool
gui_commit_clipboard(void)
{
return false;
}
bool
gui_copy_to_clipboard(struct selection *s)
{
return false;
}
void
gui_create_form_select_menu(struct browser_window *bw,
struct form_control *control)
{
}
void
gui_launch_url(const char *url)
{
}
void
gui_cert_verify(const char *url,
const struct ssl_cert_info *certs,
unsigned long num,
nserror (*cb)(bool proceed, void *pw),
void *cbpw)
{
cb(false, cbpw);
}
/*
* Local Variables:
* c-basic-offset:8
* End:
*/
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