/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_button(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour c,
struct fbtk_bitmap *image,
fbtk_callback click,
void *pw)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_BITMAP, x, y, width, height);
neww->bg = c;
neww->mapped = true;
neww->u.bitmap.bitmap = image;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL);
fbtk_set_handler(neww, FBTK_CBT_CLICK, click, pw);
fbtk_set_handler(neww, FBTK_CBT_POINTERENTER, fbtk_set_ptr, &null_image);
return neww;
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_writable_text(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour bg,
colour fg,
bool outline,
fbtk_enter_t enter,
void *pw)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_TEXT, x, y, width, height);
neww->fg = fg;
neww->bg = bg;
neww->mapped = true;
neww->u.text.outline = outline;
neww->u.text.enter = enter;
neww->u.text.pw = pw;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_text, NULL);
fbtk_set_handler(neww, FBTK_CBT_INPUT, text_input, neww);
return neww;
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_text_button(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour bg,
colour fg,
fbtk_callback click,
void *pw)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_TEXT, x, y, width, height);
neww->fg = fg;
neww->bg = bg;
neww->mapped = true;
neww->u.text.outline = true;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_text_button, NULL);
fbtk_set_handler(neww, FBTK_CBT_CLICK, click, pw);
fbtk_set_handler(neww, FBTK_CBT_POINTERENTER, fbtk_set_ptr, &hand_image);
return neww;
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_vscroll(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour fg,
colour bg,
fbtk_callback callback,
void *context)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent,
FB_WIDGET_TYPE_VSCROLL,
x,
y + scrollu.height,
width,
height - scrollu.height - scrolld.height);
neww->fg = fg;
neww->bg = bg;
neww->mapped = true;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, vscroll_redraw, NULL);
fbtk_set_handler(neww, FBTK_CBT_CLICK, vscrollarea_click, neww);
fbtk_set_handler(neww, FBTK_CBT_SCROLLY, callback, context);
neww->u.scroll.btnul = fbtk_create_button(parent,
x,
y,
width,
scrollu.height,
fg,
load_bitmap("PROGDIR:Resources/Icons/scrollu.png"),
vscrollu_click,
neww);
neww->u.scroll.btndr = fbtk_create_button(parent,
x,
y + height - scrolld.height,
width,
scrolld.height,
fg,
load_bitmap("PROGDIR:Resources/Icons/scrolld.png"),
vscrolld_click,
neww);
return neww;
}
/* exported function documented in fbtk.h */
void
fbtk_writable_text(fbtk_widget_t *widget, fbtk_enter_t enter, void *pw)
{
widget->u.text.enter = enter;
widget->u.text.pw = pw;
fbtk_set_handler(widget, FBTK_CBT_INPUT, text_input, widget);
}
static int
hscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
int hscroll;
int hpos;
int newpos;
int ret = 0;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
/* end all drags, just in case */
if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL)
fbtk_tgrab_pointer(widget);
return 0;
}
if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
hscroll = ((widget->width - 4) * widget->u.scroll.thumb) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
hpos = ((widget->width - 4) * widget->u.scroll.position) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
} else {
hscroll = (widget->width - 4);
hpos = 0;
}
if (cbi->x < hpos) {
/* left of bar */
newpos = widget->u.scroll.position - widget->u.scroll.page;
if (newpos < widget->u.scroll.minimum)
newpos = widget->u.scroll.minimum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos);
} else if (cbi->x > (hpos + hscroll)) {
/* right of bar */
newpos = widget->u.scroll.position + widget->u.scroll.page;
if (newpos > widget->u.scroll.maximum)
newpos = widget->u.scroll.maximum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos);
} else {
/* on bar - start drag */
widget->u.scroll.drag = cbi->x;
widget->u.scroll.drag_position = hpos;
fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, hscroll_drag, widget);
fbtk_tgrab_pointer(widget);
}
return ret;
}
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);
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_fill(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour c)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_FILL, x, y, width, height);
neww->bg = c;
neww->mapped = true;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_fill, NULL);
return neww;
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_bitmap(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour c,
struct fbtk_bitmap *image)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_BITMAP, x, y, width, height);
neww->bg = c;
neww->mapped = true;
neww->u.bitmap.bitmap = image;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL);
return neww;
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_text(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour bg,
colour fg,
bool outline)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_TEXT, x, y, width, height);
neww->fg = fg;
neww->bg = bg;
neww->mapped = true;
neww->u.text.outline = outline;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_text, NULL);
return neww;
}
static int
localhistory_redraw(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_localhistory *glh = cbi->context;
nsfb_bbox_t rbox;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &fb_plotters
};
rbox.x0 = fbtk_get_absx(widget);
rbox.y0 = fbtk_get_absy(widget);
rbox.x1 = rbox.x0 + fbtk_get_width(widget);
rbox.y1 = rbox.y0 + fbtk_get_height(widget);
nsfb_claim(fbtk_get_nsfb(widget), &rbox);
nsfb_plot_rectangle_fill(fbtk_get_nsfb(widget), &rbox, 0xffffffff);
history_redraw_rectangle(glh->bw->history,
glh->scrollx,
glh->scrolly,
fbtk_get_width(widget) + glh->scrollx,
fbtk_get_height(widget) + glh->scrolly,
0, 0, &ctx);
nsfb_update(fbtk_get_nsfb(widget), &rbox);
return 0;
}
static int
localhistory_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_localhistory *glh = cbi->context;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
history_click(glh->bw, glh->bw->history, cbi->x, cbi->y, false);
fbtk_set_mapping(glh->window, false);
return 1;
}
struct gui_localhistory *
fb_create_localhistory(struct browser_window *bw,
fbtk_widget_t *parent,
int furniture_width)
{
struct gui_localhistory *glh;
glh = calloc(1, sizeof(struct gui_localhistory));
if (glh == NULL)
return NULL;
glh->bw = bw;
/* container window */
glh->window = fbtk_create_window(parent, 0, 0, 0, 0, 0);
glh->history = fbtk_create_user(glh->window, 0, 0, -furniture_width, -furniture_width, glh);
fbtk_set_handler(glh->history, FBTK_CBT_REDRAW, localhistory_redraw, glh);
fbtk_set_handler(glh->history, FBTK_CBT_CLICK, localhistory_click, glh);
/*
fbtk_set_handler(gw->localhistory, FBTK_CBT_INPUT, fb_browser_window_input, gw);
fbtk_set_handler(gw->localhistory, FBTK_CBT_POINTERMOVE, fb_browser_window_move, bw);
*/
/* create horizontal scrollbar */
glh->hscroll = fbtk_create_hscroll(glh->window,
0,
fbtk_get_height(glh->window) - furniture_width,
fbtk_get_width(glh->window) - furniture_width,
furniture_width,
FB_SCROLL_COLOUR,
FB_FRAME_COLOUR,
NULL,
NULL);
glh->vscroll = fbtk_create_vscroll(glh->window,
fbtk_get_width(glh->window) - furniture_width,
0,
furniture_width,
fbtk_get_height(glh->window) - furniture_width,
FB_SCROLL_COLOUR,
FB_FRAME_COLOUR,
NULL,
NULL);
fbtk_create_fill(glh->window,
fbtk_get_width(glh->window) - furniture_width,
fbtk_get_height(glh->window) - furniture_width,
furniture_width,
furniture_width,
FB_FRAME_COLOUR);
return glh;
}
void
fb_localhistory_map(struct gui_localhistory * glh)
{
fbtk_set_zorder(glh->window, INT_MIN);
fbtk_set_mapping(glh->window, true);
}
/* exported function documented fb/corewindow.h */
nserror fb_corewindow_init(fbtk_widget_t *parent, struct fb_corewindow *fb_cw)
{
int furniture_width;
furniture_width = nsoption_int(fb_furniture_size);
/* setup the core window callback table */
fb_cw->cb_table = &fb_cw_cb_table;
fb_cw->drag_status = CORE_WINDOW_DRAG_NONE;
/* container window */
fb_cw->wnd = fbtk_create_window(parent, 0, 0, 0, 0, 0);
fb_cw->drawable = fbtk_create_user(fb_cw->wnd,
0, 0,
-furniture_width, -furniture_width,
fb_cw);
fbtk_set_handler(fb_cw->drawable,
FBTK_CBT_REDRAW,
fb_cw_draw_event,
fb_cw);
fbtk_set_handler(fb_cw->drawable,
FBTK_CBT_CLICK,
fb_cw_mouse_press_event,
fb_cw);
/*
fbtk_set_handler(fb_cw->drawable,
FBTK_CBT_INPUT,
fb_cw_input_event,
fb_cw);
fbtk_set_handler(fb_cw->drawable,
FBTK_CBT_POINTERMOVE,
fb_cw_move_event,
fb_cw);
*/
/* create horizontal scrollbar */
fb_cw->hscroll = fbtk_create_hscroll(fb_cw->wnd,
0,
fbtk_get_height(fb_cw->wnd) - furniture_width,
fbtk_get_width(fb_cw->wnd) - furniture_width,
furniture_width,
FB_SCROLL_COLOUR,
FB_FRAME_COLOUR,
NULL,
NULL);
fb_cw->vscroll = fbtk_create_vscroll(fb_cw->wnd,
fbtk_get_width(fb_cw->wnd) - furniture_width,
0,
furniture_width,
fbtk_get_height(fb_cw->wnd) - furniture_width,
FB_SCROLL_COLOUR,
FB_FRAME_COLOUR,
NULL,
NULL);
fbtk_create_fill(fb_cw->wnd,
fbtk_get_width(fb_cw->wnd) - furniture_width,
fbtk_get_height(fb_cw->wnd) - furniture_width,
furniture_width,
furniture_width,
FB_FRAME_COLOUR);
return NSERROR_OK;
}
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_size) *
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);
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);
}
/* 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);
}
/** 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;
}
static int
vscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
int vscroll;
int vpos;
int newpos;
int ret = 0;
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
/* end all drags, just in case */
if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL)
fbtk_tgrab_pointer(widget);
return 0;
}
switch (cbi->event->value.keycode) {
case NSFB_KEY_MOUSE_4:
/* scroll up */
newpos = widget->u.scroll.position - widget->u.scroll.page;
if (newpos < widget->u.scroll.minimum)
newpos = widget->u.scroll.minimum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
break;
case NSFB_KEY_MOUSE_5:
/* scroll down */
newpos = widget->u.scroll.position + widget->u.scroll.page;
if (newpos > widget->u.scroll.maximum)
newpos = widget->u.scroll.maximum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
break;
default:
if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
vscroll = ((widget->height - 4) * widget->u.scroll.thumb) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
vpos = ((widget->height - 4) * widget->u.scroll.position) /
(widget->u.scroll.maximum - widget->u.scroll.minimum) ;
} else {
vscroll = (widget->height - 4);
vpos = 0;
}
if (cbi->y < vpos) {
/* above bar */
newpos = widget->u.scroll.position - widget->u.scroll.thumb;
if (newpos < widget->u.scroll.minimum)
newpos = widget->u.scroll.minimum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
} else if (cbi->y > (vpos + vscroll)) {
/* below bar */
newpos = widget->u.scroll.position + widget->u.scroll.thumb;
if (newpos > widget->u.scroll.maximum)
newpos = widget->u.scroll.maximum;
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
} else {
/* on bar - start drag */
widget->u.scroll.drag = cbi->y;
widget->u.scroll.drag_position = vpos;
fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, vscroll_drag, widget);
fbtk_tgrab_pointer(widget);
}
}
return ret;
}
