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netsurf/frontends/framebuffer/gui.c
Vincent Sanders 7997182cc0 Improve the framebuffer docs a bit
2020-09-18 10:34:32 +01:00

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/*
* Copyright 2008, 2014 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/>.
*/
#include <stdint.h>
#include <limits.h>
#include <getopt.h>
#include <assert.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <nsutils/time.h>
#include <libnsfb.h>
#include <libnsfb_plot.h>
#include <libnsfb_event.h>
#include "utils/utils.h"
#include "utils/nsoption.h"
#include "utils/filepath.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "netsurf/browser_window.h"
#include "netsurf/keypress.h"
#include "desktop/browser_history.h"
#include "netsurf/plotters.h"
#include "netsurf/window.h"
#include "netsurf/misc.h"
#include "netsurf/netsurf.h"
#include "netsurf/cookie_db.h"
#include "content/fetch.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 "framebuffer/clipboard.h"
#include "framebuffer/fetch.h"
#include "framebuffer/bitmap.h"
#include "framebuffer/local_history.h"
#define NSFB_TOOLBAR_DEFAULT_LAYOUT "blfsrutc"
fbtk_widget_t *fbtk;
static bool fb_complete = false;
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. */
};
static struct gui_drag {
enum state {
GUI_DRAG_NONE,
GUI_DRAG_PRESSED,
GUI_DRAG_DRAG
} state;
int button;
int x;
int y;
bool grabbed_pointer;
} gui_drag;
/**
* Cause an abnormal program termination.
*
* \note This never returns and is intended to terminate without any cleanup.
*
* \param error The message to display to the user.
*/
static void die(const char *error)
{
fprintf(stderr, "%s\n", error);
exit(1);
}
/**
* Warn the user of an event.
*
* \param[in] warning A warning looked up in the message translation table
* \param[in] detail Additional text to be displayed or NULL.
* \return NSERROR_OK on success or error code if there was a
* faliure displaying the message to the user.
*/
static nserror fb_warn_user(const char *warning, const char *detail)
{
NSLOG(netsurf, INFO, "%s %s", warning, detail);
return NSERROR_OK;
}
/* 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_width, content_height;
int height;
NSLOG(netsurf, DEEPDEBUG, "window scroll");
if (abs) {
bwidget->pany = y - bwidget->scrolly;
} else {
bwidget->pany += y;
}
browser_window_get_extents(gw->bw, true,
&content_width, &content_height);
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, content_height;
int width;
if (abs) {
bwidget->panx = x - bwidget->scrollx;
} else {
bwidget->panx += x;
}
browser_window_get_extents(gw->bw, true,
&content_width, &content_height);
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);
NSLOG(netsurf, DEEPDEBUG, "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);
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,
y - bwidget->scrolly,
&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) {
NSLOG(netsurf, INFO,
"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 int fb_browser_window_destroy(fbtk_widget_t *widget,
fbtk_callback_info *cbi)
{
struct browser_widget_s *browser_widget;
if (widget == NULL) {
return 0;
}
/* Free private data */
browser_widget = fbtk_get_userpw(widget);
free(browser_widget);
return 0;
}
static void
framebuffer_surface_iterator(void *ctx, const char *name, enum nsfb_type_e type)
{
const char *arg0 = ctx;
fprintf(stderr, "%s: %s\n", arg0, name);
}
static enum nsfb_type_e fetype = NSFB_SURFACE_COUNT;
static const char *fename;
static int febpp;
static int fewidth;
static int feheight;
static const char *feurl;
static void
framebuffer_pick_default_fename(void *ctx, const char *name, enum nsfb_type_e type)
{
if (type < fetype) {
fename = name;
}
}
static bool
process_cmdline(int argc, char** argv)
{
int opt;
int option_index;
static struct option long_options[] = {
{0, 0, 0, 0 }
}; /* no long options */
NSLOG(netsurf, INFO, "argc %d, argv %p", argc, argv);
nsfb_enumerate_surface_types(framebuffer_pick_default_fename, NULL);
febpp = 32;
fewidth = nsoption_int(window_width);
if (fewidth <= 0) {
fewidth = 800;
}
feheight = nsoption_int(window_height);
if (feheight <= 0) {
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_long(argc, argv, "f:b:w:h:",
long_options, &option_index)) != -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] [-w width] [-h height] <url>\n",
argv[0]);
return false;
}
}
if (optind < argc) {
feurl = argv[optind];
}
if (nsfb_type_from_name(fename) == NSFB_SURFACE_NONE) {
if (strcmp(fename, "?") != 0) {
fprintf(stderr,
"%s: Unknown surface `%s`\n", argv[0], fename);
}
fprintf(stderr, "%s: Valid surface names are:\n", argv[0]);
nsfb_enumerate_surface_types(framebuffer_surface_iterator, argv[0]);
return false;
}
return true;
}
/**
* Set option defaults for framebuffer frontend
*
* @param defaults The option table to update.
* @return error status.
*/
static nserror set_defaults(struct nsoption_s *defaults)
{
/* Set defaults for absent option strings */
nsoption_setnull_charp(cookie_file, strdup("~/.netsurf/Cookies"));
nsoption_setnull_charp(cookie_jar, strdup("~/.netsurf/Cookies"));
if (nsoption_charp(cookie_file) == NULL ||
nsoption_charp(cookie_jar) == NULL) {
NSLOG(netsurf, INFO, "Failed initialising cookie options");
return NSERROR_BAD_PARAMETER;
}
/* set system colours for framebuffer ui */
nsoption_set_colour(sys_colour_ActiveBorder, 0x00000000);
nsoption_set_colour(sys_colour_ActiveCaption, 0x00ddddcc);
nsoption_set_colour(sys_colour_AppWorkspace, 0x00eeeeee);
nsoption_set_colour(sys_colour_Background, 0x00aa0000);
nsoption_set_colour(sys_colour_ButtonFace, 0x00dddddd);
nsoption_set_colour(sys_colour_ButtonHighlight, 0x00cccccc);
nsoption_set_colour(sys_colour_ButtonShadow, 0x00bbbbbb);
nsoption_set_colour(sys_colour_ButtonText, 0x00000000);
nsoption_set_colour(sys_colour_CaptionText, 0x00000000);
nsoption_set_colour(sys_colour_GrayText, 0x00777777);
nsoption_set_colour(sys_colour_Highlight, 0x00ee0000);
nsoption_set_colour(sys_colour_HighlightText, 0x00000000);
nsoption_set_colour(sys_colour_InactiveBorder, 0x00000000);
nsoption_set_colour(sys_colour_InactiveCaption, 0x00ffffff);
nsoption_set_colour(sys_colour_InactiveCaptionText, 0x00cccccc);
nsoption_set_colour(sys_colour_InfoBackground, 0x00aaaaaa);
nsoption_set_colour(sys_colour_InfoText, 0x00000000);
nsoption_set_colour(sys_colour_Menu, 0x00aaaaaa);
nsoption_set_colour(sys_colour_MenuText, 0x00000000);
nsoption_set_colour(sys_colour_Scrollbar, 0x00aaaaaa);
nsoption_set_colour(sys_colour_ThreeDDarkShadow, 0x00555555);
nsoption_set_colour(sys_colour_ThreeDFace, 0x00dddddd);
nsoption_set_colour(sys_colour_ThreeDHighlight, 0x00aaaaaa);
nsoption_set_colour(sys_colour_ThreeDLightShadow, 0x00999999);
nsoption_set_colour(sys_colour_ThreeDShadow, 0x00777777);
nsoption_set_colour(sys_colour_Window, 0x00aaaaaa);
nsoption_set_colour(sys_colour_WindowFrame, 0x00000000);
nsoption_set_colour(sys_colour_WindowText, 0x00000000);
return NSERROR_OK;
}
/**
* Ensures output logging stream is correctly configured
*/
static bool nslog_stream_configure(FILE *fptr)
{
/* set log stream to be non-buffering */
setbuf(fptr, NULL);
return true;
}
static void framebuffer_run(void)
{
nsfb_event_t event;
int timeout; /* timeout in miliseconds */
while (fb_complete != true) {
/* run the scheduler and discover how long to wait for
* the next event.
*/
timeout = schedule_run();
/* 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))
fb_complete = true;
}
fbtk_redraw(fbtk);
}
}
static void gui_quit(void)
{
NSLOG(netsurf, INFO, "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);
browser_mouse_state mouse;
int x = cbi->x + bwidget->scrollx;
int y = cbi->y + bwidget->scrolly;
uint64_t time_now;
static struct {
enum { CLICK_SINGLE, CLICK_DOUBLE, CLICK_TRIPLE } type;
uint64_t time;
} last_click;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN &&
cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
NSLOG(netsurf, DEEPDEBUG, "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:
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_1, x, y);
gui_drag.state = GUI_DRAG_PRESSED;
gui_drag.button = 1;
gui_drag.x = x;
gui_drag.y = y;
break;
case NSFB_KEY_MOUSE_3:
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_PRESS_2, x, y);
gui_drag.state = GUI_DRAG_PRESSED;
gui_drag.button = 2;
gui_drag.x = x;
gui_drag.y = y;
break;
case NSFB_KEY_MOUSE_4:
/* scroll up */
if (browser_window_scroll_at_point(gw->bw,
x, y,
0, -100) == false)
widget_scroll_y(gw, -100, false);
break;
case NSFB_KEY_MOUSE_5:
/* scroll down */
if (browser_window_scroll_at_point(gw->bw,
x, y,
0, 100) == false)
widget_scroll_y(gw, 100, false);
break;
default:
break;
}
break;
case NSFB_EVENT_KEY_UP:
mouse = 0;
nsu_getmonotonic_ms(&time_now);
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_1:
if (gui_drag.state == GUI_DRAG_DRAG) {
/* End of a drag, rather than click */
if (gui_drag.grabbed_pointer) {
/* need to ungrab pointer */
fbtk_tgrab_pointer(widget);
gui_drag.grabbed_pointer = false;
}
gui_drag.state = GUI_DRAG_NONE;
/* Tell core */
browser_window_mouse_track(gw->bw, 0, x, y);
break;
}
/* This is a click;
* clear PRESSED state and pass to core */
gui_drag.state = GUI_DRAG_NONE;
mouse = BROWSER_MOUSE_CLICK_1;
break;
case NSFB_KEY_MOUSE_3:
if (gui_drag.state == GUI_DRAG_DRAG) {
/* End of a drag, rather than click */
gui_drag.state = GUI_DRAG_NONE;
if (gui_drag.grabbed_pointer) {
/* need to ungrab pointer */
fbtk_tgrab_pointer(widget);
gui_drag.grabbed_pointer = false;
}
/* Tell core */
browser_window_mouse_track(gw->bw, 0, x, y);
break;
}
/* This is a click;
* clear PRESSED state and pass to core */
gui_drag.state = GUI_DRAG_NONE;
mouse = BROWSER_MOUSE_CLICK_2;
break;
default:
break;
}
/* Determine if it's a double or triple click, allowing
* 0.5 seconds (500ms) between clicks
*/
if ((time_now < (last_click.time + 500)) &&
(cbi->event->value.keycode != NSFB_KEY_MOUSE_4) &&
(cbi->event->value.keycode != NSFB_KEY_MOUSE_5)) {
if (last_click.type == CLICK_SINGLE) {
/* Set double click */
mouse |= BROWSER_MOUSE_DOUBLE_CLICK;
last_click.type = CLICK_DOUBLE;
} else if (last_click.type == CLICK_DOUBLE) {
/* Set triple click */
mouse |= BROWSER_MOUSE_TRIPLE_CLICK;
last_click.type = CLICK_TRIPLE;
} else {
/* Set normal click */
last_click.type = CLICK_SINGLE;
}
} else {
last_click.type = CLICK_SINGLE;
}
if (mouse) {
browser_window_mouse_click(gw->bw, mouse, x, y);
}
last_click.time = time_now;
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)
{
browser_mouse_state mouse = 0;
struct gui_window *gw = cbi->context;
struct browser_widget_s *bwidget = fbtk_get_userpw(widget);
int x = cbi->x + bwidget->scrollx;
int y = cbi->y + bwidget->scrolly;
if (gui_drag.state == GUI_DRAG_PRESSED &&
(abs(x - gui_drag.x) > 5 ||
abs(y - gui_drag.y) > 5)) {
/* Drag started */
if (gui_drag.button == 1) {
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_DRAG_1,
gui_drag.x, gui_drag.y);
} else {
browser_window_mouse_click(gw->bw,
BROWSER_MOUSE_DRAG_2,
gui_drag.x, gui_drag.y);
}
gui_drag.grabbed_pointer = fbtk_tgrab_pointer(widget);
gui_drag.state = GUI_DRAG_DRAG;
}
if (gui_drag.state == GUI_DRAG_DRAG) {
/* set up mouse state */
mouse |= BROWSER_MOUSE_DRAG_ON;
if (gui_drag.button == 1)
mouse |= BROWSER_MOUSE_HOLDING_1;
else
mouse |= BROWSER_MOUSE_HOLDING_2;
}
browser_window_mouse_track(gw->bw, mouse, x, y);
return 0;
}
static int
fb_browser_window_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
static fbtk_modifier_type modifier = FBTK_MOD_CLEAR;
int ucs4 = -1;
NSLOG(netsurf, INFO, "got value %d", cbi->event->value.keycode);
switch (cbi->event->type) {
case NSFB_EVENT_KEY_DOWN:
switch (cbi->event->value.keycode) {
case NSFB_KEY_DELETE:
browser_window_key_press(gw->bw, NS_KEY_DELETE_RIGHT);
break;
case NSFB_KEY_PAGEUP:
if (browser_window_key_press(gw->bw,
NS_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,
NS_KEY_PAGE_DOWN) == false)
widget_scroll_y(gw, fbtk_get_height(
gw->browser), false);
break;
case NSFB_KEY_RIGHT:
if (modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL) {
/* CTRL held */
if (browser_window_key_press(gw->bw,
NS_KEY_LINE_END) == false)
widget_scroll_x(gw, INT_MAX, true);
} else if (modifier & FBTK_MOD_RSHIFT ||
modifier & FBTK_MOD_LSHIFT) {
/* SHIFT held */
if (browser_window_key_press(gw->bw,
NS_KEY_WORD_RIGHT) == false)
widget_scroll_x(gw, fbtk_get_width(
gw->browser), false);
} else {
/* no modifier */
if (browser_window_key_press(gw->bw,
NS_KEY_RIGHT) == false)
widget_scroll_x(gw, 100, false);
}
break;
case NSFB_KEY_LEFT:
if (modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL) {
/* CTRL held */
if (browser_window_key_press(gw->bw,
NS_KEY_LINE_START) == false)
widget_scroll_x(gw, 0, true);
} else if (modifier & FBTK_MOD_RSHIFT ||
modifier & FBTK_MOD_LSHIFT) {
/* SHIFT held */
if (browser_window_key_press(gw->bw,
NS_KEY_WORD_LEFT) == false)
widget_scroll_x(gw, -fbtk_get_width(
gw->browser), false);
} else {
/* no modifier */
if (browser_window_key_press(gw->bw,
NS_KEY_LEFT) == false)
widget_scroll_x(gw, -100, false);
}
break;
case NSFB_KEY_UP:
if (browser_window_key_press(gw->bw,
NS_KEY_UP) == false)
widget_scroll_y(gw, -100, false);
break;
case NSFB_KEY_DOWN:
if (browser_window_key_press(gw->bw,
NS_KEY_DOWN) == false)
widget_scroll_y(gw, 100, false);
break;
case NSFB_KEY_MINUS:
if (modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL) {
browser_window_set_scale(gw->bw, -0.1, false);
}
break;
case NSFB_KEY_EQUALS: /* PLUS */
if (modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL) {
browser_window_set_scale(gw->bw, 0.1, false);
}
break;
case NSFB_KEY_0:
if (modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL) {
browser_window_set_scale(gw->bw, 1.0, true);
}
break;
case NSFB_KEY_RSHIFT:
modifier |= FBTK_MOD_RSHIFT;
break;
case NSFB_KEY_LSHIFT:
modifier |= FBTK_MOD_LSHIFT;
break;
case NSFB_KEY_RCTRL:
modifier |= FBTK_MOD_RCTRL;
break;
case NSFB_KEY_LCTRL:
modifier |= FBTK_MOD_LCTRL;
break;
case NSFB_KEY_y:
case NSFB_KEY_z:
if (cbi->event->value.keycode == NSFB_KEY_z &&
(modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL) &&
(modifier & FBTK_MOD_RSHIFT ||
modifier & FBTK_MOD_LSHIFT)) {
/* Z pressed with CTRL and SHIFT held */
browser_window_key_press(gw->bw, NS_KEY_REDO);
break;
} else if (cbi->event->value.keycode == NSFB_KEY_z &&
(modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL)) {
/* Z pressed with CTRL held */
browser_window_key_press(gw->bw, NS_KEY_UNDO);
break;
} else if (cbi->event->value.keycode == NSFB_KEY_y &&
(modifier & FBTK_MOD_RCTRL ||
modifier & FBTK_MOD_LCTRL)) {
/* Y pressed with CTRL held */
browser_window_key_press(gw->bw, NS_KEY_REDO);
break;
}
/* Z or Y pressed but not undo or redo; */
/* Fall through */
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 &= ~FBTK_MOD_RSHIFT;
break;
case NSFB_KEY_LSHIFT:
modifier &= ~FBTK_MOD_LSHIFT;
break;
case NSFB_KEY_RCTRL:
modifier &= ~FBTK_MOD_RCTRL;
break;
case NSFB_KEY_LCTRL:
modifier &= ~FBTK_MOD_LCTRL;
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 (browser_window_back_available(bw))
browser_window_history_back(bw, false);
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 (browser_window_forward_available(bw))
browser_window_history_forward(bw, false);
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;
fb_complete = 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;
nsurl *url;
nserror error;
error = nsurl_create(text, &url);
if (error != NSERROR_OK) {
fb_warn_user("Errorcode:", messages_get_errorcode(error));
} else {
browser_window_navigate(bw, url, NULL, BW_NAVIGATE_HISTORY,
NULL, NULL, NULL);
nsurl_unref(url);
}
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_local_history_present(fbtk, gw->bw);
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;
}
NSLOG(netsurf, INFO, "Using toolbar layout %s", toolbar_layout);
itmtype = toolbar_layout;
/* check for the toolbar being disabled */
if ((*itmtype == 0) || (*itmtype == 'q')) {
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)) {
NSLOG(netsurf, INFO, "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);
gw->history = widget;
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);
gw->close = widget;
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);
gw->stop = widget;
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);
gw->reload = widget;
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;
NSLOG(netsurf, INFO,
"Unknown element %c in toolbar layout",
*itmtype);
break;
}
if (widget != NULL) {
xpos += (xdir * (fbtk_get_width(widget) + padding));
}
NSLOG(netsurf, INFO, "xpos is %d", xpos);
itmtype += xdir;
}
fbtk_set_mapping(toolbar, true);
return toolbar;
}
/** Resize a toolbar.
*
* @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 toolbar_layout A string defining which buttons and controls
* should be added to the toolbar. May be empty
* string to disable the bar.
*/
static void
resize_toolbar(struct gui_window *gw,
int toolbar_height,
int padding,
const char *toolbar_layout)
{
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 */
int x = 0, y = 0, w = 0, h = 0;
if (gw->toolbar == NULL) {
return;
}
if (toolbar_layout == NULL) {
toolbar_layout = NSFB_TOOLBAR_DEFAULT_LAYOUT;
}
itmtype = toolbar_layout;
if (*itmtype == 0) {
return;
}
fbtk_set_pos_and_size(gw->toolbar, 0, 0, 0, toolbar_height);
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 && xdir != 0) {
switch (*itmtype) {
case 'b': /* back */
widget = gw->back;
x = (xdir == 1) ? xpos : xpos - left_arrow.width;
y = padding;
w = left_arrow.width;
h = -padding;
break;
case 'l': /* local history */
widget = gw->history;
x = (xdir == 1) ? xpos : xpos - history_image.width;
y = padding;
w = history_image.width;
h = -padding;
break;
case 'f': /* forward */
widget = gw->forward;
x = (xdir == 1) ? xpos : xpos - right_arrow.width;
y = padding;
w = right_arrow.width;
h = -padding;
break;
case 'c': /* close the current window */
widget = gw->close;
x = (xdir == 1) ? xpos : xpos - stop_image_g.width;
y = padding;
w = stop_image_g.width;
h = -padding;
break;
case 's': /* stop */
widget = gw->stop;
x = (xdir == 1) ? xpos : xpos - stop_image.width;
y = padding;
w = stop_image.width;
h = -padding;
break;
case 'r': /* reload */
widget = gw->reload;
x = (xdir == 1) ? xpos : xpos - reload.width;
y = padding;
w = reload.width;
h = -padding;
break;
case 't': /* throbber/activity indicator */
widget = gw->throbber;
x = (xdir == 1) ? xpos : xpos - throbber0.width;
y = padding;
w = throbber0.width;
h = -padding;
break;
case 'u': /* url bar*/
if (xdir == -1) {
/* met the u going backwards add url
* now we know available extent
*/
widget = gw->url;
x = xlhs;
y = padding;
w = xpos - xlhs;
h = -padding;
/* 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;
w = fbtk_get_width(gw->toolbar);
xpos = 2 * w;
widget = gw->toolbar;
break;
default:
widget = NULL;
break;
}
if (widget != NULL) {
if (widget != gw->toolbar)
fbtk_set_pos_and_size(widget, x, y, w, h);
xpos += xdir * (w + padding);
}
itmtype += xdir;
}
}
/** 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_DESTROY, fb_browser_window_destroy, 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
resize_browser_widget(struct gui_window *gw, int x, int y,
int width, int height)
{
fbtk_set_pos_and_size(gw->browser, x, y, width, height);
browser_window_schedule_reformat(gw->bw);
}
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);
NSLOG(netsurf, INFO, "Normal window");
gw->window = fbtk_create_window(fbtk, 0, 0, 0, 0, 0);
statusbar_width = nsoption_int(toolbar_status_size) *
fbtk_get_width(gw->window) / 10000;
/* toolbar */
toolbar = create_toolbar(gw,
toolbar_height,
2,
FB_FRAME_COLOUR,
nsoption_charp(fb_toolbar_layout));
gw->toolbar = toolbar;
/* 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);
NSLOG(netsurf, INFO, "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);
widget = fbtk_create_button(gw->window,
fbtk_get_width(gw->window) - furniture_width,
fbtk_get_height(gw->window) - furniture_width,
furniture_width,
furniture_width,
FB_FRAME_COLOUR,
&osk_image,
fb_osk_click,
NULL);
} 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);
}
gw->bottom_right = widget;
/* 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);
}
static void
resize_normal_browser_window(struct gui_window *gw, int furniture_width)
{
bool resized;
int width, height;
int statusbar_width;
int toolbar_height = fbtk_get_height(gw->toolbar);
/* Resize the main window widget */
resized = fbtk_set_pos_and_size(gw->window, 0, 0, 0, 0);
if (!resized)
return;
width = fbtk_get_width(gw->window);
height = fbtk_get_height(gw->window);
statusbar_width = nsoption_int(toolbar_status_size) * width / 10000;
resize_toolbar(gw, toolbar_height, 2,
nsoption_charp(fb_toolbar_layout));
fbtk_set_pos_and_size(gw->status,
0, height - furniture_width,
statusbar_width, furniture_width);
fbtk_reposition_hscroll(gw->hscroll,
statusbar_width, height - furniture_width,
width - statusbar_width - furniture_width,
furniture_width);
fbtk_set_pos_and_size(gw->bottom_right,
width - furniture_width, height - furniture_width,
furniture_width, furniture_width);
fbtk_reposition_vscroll(gw->vscroll,
width - furniture_width,
toolbar_height, furniture_width,
height - toolbar_height - furniture_width);
resize_browser_widget(gw,
0, toolbar_height,
width - furniture_width,
height - furniture_width - toolbar_height);
}
static void gui_window_add_to_window_list(struct gui_window *gw)
{
gw->next = NULL;
gw->prev = NULL;
if (window_list == NULL) {
window_list = gw;
} else {
window_list->prev = gw;
gw->next = window_list;
window_list = gw;
}
}
static void gui_window_remove_from_window_list(struct gui_window *gw)
{
struct gui_window *list;
for (list = window_list; list != NULL; list = list->next) {
if (list != gw)
continue;
if (list == window_list) {
window_list = list->next;
if (window_list != NULL)
window_list->prev = NULL;
} else {
list->prev->next = list->next;
if (list->next != NULL) {
list->next->prev = list->prev;
}
}
break;
}
}
static struct gui_window *
gui_window_create(struct browser_window *bw,
struct gui_window *existing,
gui_window_create_flags flags)
{
struct gui_window *gw;
gw = calloc(1, sizeof(struct gui_window));
if (gw == NULL)
return NULL;
/* associate the gui window with the underlying browser window
*/
gw->bw = bw;
create_normal_browser_window(gw, nsoption_int(fb_furniture_size));
/* map and request redraw of gui window */
fbtk_set_mapping(gw->window, true);
/* Add it to the window list */
gui_window_add_to_window_list(gw);
return gw;
}
static void
gui_window_destroy(struct gui_window *gw)
{
gui_window_remove_from_window_list(gw);
fbtk_destroy_widget(gw->window);
free(gw);
}
/**
* Invalidates an area of a framebuffer browser window
*
* \param g The netsurf window being invalidated.
* \param rect area to redraw or NULL for the entire window area
* \return NSERROR_OK on success or appropriate error code
*/
static nserror
fb_window_invalidate_area(struct gui_window *g, const struct rect *rect)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(g->browser);
if (rect != NULL) {
fb_queue_redraw(g->browser,
rect->x0 - bwidget->scrollx,
rect->y0 - bwidget->scrolly,
rect->x1 - bwidget->scrollx,
rect->y1 - bwidget->scrolly);
} else {
fb_queue_redraw(g->browser,
0,
0,
fbtk_get_width(g->browser),
fbtk_get_height(g->browser));
}
return NSERROR_OK;
}
static 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;
*sy = bwidget->scrolly;
return true;
}
/**
* Set the scroll position of a framebuffer browser window.
*
* Scrolls the viewport to ensure the specified rectangle of the
* content is shown. The framebuffer implementation scrolls the contents so
* the specified point in the content is at the top of the viewport.
*
* \param gw gui_window to scroll
* \param rect The rectangle to ensure is shown.
* \return NSERROR_OK on success or apropriate error code.
*/
static nserror
gui_window_set_scroll(struct gui_window *gw, const struct rect *rect)
{
struct browser_widget_s *bwidget = fbtk_get_userpw(gw->browser);
assert(bwidget);
widget_scroll_x(gw, rect->x0, true);
widget_scroll_y(gw, rect->y0, true);
return NSERROR_OK;
}
/**
* Find the current dimensions of a framebuffer browser window content area.
*
* \param gw The gui window to measure content area of.
* \param width receives width of window
* \param height receives height of window
* \return NSERROR_OK on sucess and width and height updated.
*/
static nserror
gui_window_get_dimensions(struct gui_window *gw, int *width, int *height)
{
*width = fbtk_get_width(gw->browser);
*height = fbtk_get_height(gw->browser);
return NSERROR_OK;
}
static void
gui_window_update_extent(struct gui_window *gw)
{
int w, h;
browser_window_get_extents(gw->bw, true, &w, &h);
fbtk_set_scroll_parameters(gw->hscroll, 0, w,
fbtk_get_width(gw->browser), 100);
fbtk_set_scroll_parameters(gw->vscroll, 0, h,
fbtk_get_height(gw->browser), 100);
}
static void
gui_window_set_status(struct gui_window *g, const char *text)
{
fbtk_set_text(g->status, text);
}
static 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;
case GUI_POINTER_MOVE:
framebuffer_set_cursor(&move_image);
break;
default:
framebuffer_set_cursor(&pointer_image);
break;
}
}
static nserror
gui_window_set_url(struct gui_window *g, nsurl *url)
{
fbtk_set_text(g->url, nsurl_access(url));
return NSERROR_OK;
}
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);
framebuffer_schedule(100, throbber_advance, g);
}
}
static void
gui_window_start_throbber(struct gui_window *g)
{
g->throbber_index = 0;
framebuffer_schedule(100, throbber_advance, g);
}
static 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);
}
}
static void
gui_window_place_caret(struct gui_window *g, int x, int y, int height,
const struct rect *clip)
{
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);
}
static 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);
}
}
/**
* process miscellaneous window events
*
* \param gw The window receiving the event.
* \param event The event code.
* \return NSERROR_OK when processed ok
*/
static nserror
gui_window_event(struct gui_window *gw, enum gui_window_event event)
{
switch (event) {
case GW_EVENT_UPDATE_EXTENT:
gui_window_update_extent(gw);
break;
case GW_EVENT_REMOVE_CARET:
gui_window_remove_caret(gw);
break;
case GW_EVENT_START_THROBBER:
gui_window_start_throbber(gw);
break;
case GW_EVENT_STOP_THROBBER:
gui_window_stop_throbber(gw);
break;
default:
break;
}
return NSERROR_OK;
}
static struct gui_window_table framebuffer_window_table = {
.create = gui_window_create,
.destroy = gui_window_destroy,
.invalidate = fb_window_invalidate_area,
.get_scroll = gui_window_get_scroll,
.set_scroll = gui_window_set_scroll,
.get_dimensions = gui_window_get_dimensions,
.event = gui_window_event,
.set_url = gui_window_set_url,
.set_status = gui_window_set_status,
.set_pointer = gui_window_set_pointer,
.place_caret = gui_window_place_caret,
};
static struct gui_misc_table framebuffer_misc_table = {
.schedule = framebuffer_schedule,
.quit = gui_quit,
};
/**
* 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;
nsurl *url;
nserror ret;
nsfb_t *nsfb;
struct netsurf_table framebuffer_table = {
.misc = &framebuffer_misc_table,
.window = &framebuffer_window_table,
.clipboard = framebuffer_clipboard_table,
.fetch = framebuffer_fetch_table,
.utf8 = framebuffer_utf8_table,
.bitmap = framebuffer_bitmap_table,
.layout = framebuffer_layout_table,
};
ret = netsurf_register(&framebuffer_table);
if (ret != NSERROR_OK) {
die("NetSurf operation table failed registration");
}
respaths = fb_init_resource_path(NETSURF_FB_RESPATH":"NETSURF_FB_FONTPATH);
/* initialise logging. Not fatal if it fails but not much we
* can do about it either.
*/
nslog_init(nslog_stream_configure, &argc, argv);
/* user options setup */
ret = nsoption_init(set_defaults, &nsoptions, &nsoptions_default);
if (ret != NSERROR_OK) {
die("Options failed to initialise");
}
options = filepath_find(respaths, "Choices");
nsoption_read(options, nsoptions);
free(options);
nsoption_commandline(&argc, argv, nsoptions);
/* message init */
messages = filepath_find(respaths, "Messages");
ret = messages_add_from_file(messages);
free(messages);
if (ret != NSERROR_OK) {
fprintf(stderr, "Message translations failed to load\n");
}
/* common initialisation */
ret = netsurf_init(NULL);
if (ret != NSERROR_OK) {
die("NetSurf failed to initialise");
}
/* Override, since we have no support for non-core SELECT menu */
nsoption_set_bool(core_select_menu, true);
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));
/* create an initial browser window */
NSLOG(netsurf, INFO, "calling browser_window_create");
ret = nsurl_create(feurl, &url);
if (ret == NSERROR_OK) {
ret = browser_window_create(BW_CREATE_HISTORY,
url,
NULL,
NULL,
&bw);
nsurl_unref(url);
}
if (ret != NSERROR_OK) {
fb_warn_user("Errorcode:", messages_get_errorcode(ret));
} else {
framebuffer_run();
browser_window_destroy(bw);
}
netsurf_exit();
if (fb_font_finalise() == false)
NSLOG(netsurf, INFO, "Font finalisation failed.");
/* finalise options */
nsoption_finalise(nsoptions, nsoptions_default);
/* finalise logging */
nslog_finalise();
return 0;
}
void gui_resize(fbtk_widget_t *root, int width, int height)
{
struct gui_window *gw;
nsfb_t *nsfb = fbtk_get_nsfb(root);
/* Enforce a minimum */
if (width < 300)
width = 300;
if (height < 200)
height = 200;
if (framebuffer_resize(nsfb, width, height, febpp) == false) {
return;
}
fbtk_set_pos_and_size(root, 0, 0, width, height);
fewidth = width;
feheight = height;
for (gw = window_list; gw != NULL; gw = gw->next) {
resize_normal_browser_window(gw,
nsoption_int(fb_furniture_size));
}
fbtk_request_redraw(root);
}
/*
* Local Variables:
* c-basic-offset:8
* End:
*/
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