/*
* select the focus with a mouse event
*/
static int wdg_dialog_mouse_move(struct wdg_object *wo, struct wdg_mouse_event *mouse)
{
WDG_WO_EXT(struct wdg_dialog, ww);
size_t y = wdg_get_begin_y(wo);
size_t x = wdg_get_begin_x(wo);
size_t i, l, c;
/* get the line of the message */
wdg_dialog_get_size(wo, &l, &c);
/* not on the button line */
if (mouse->y != y + 2 + l - 1)
return -WDG_ENOTHANDLED;
/* calculate the length of the buttons */
for (i = 0; i < WDG_DIALOG_MAX_BUTTON; i++)
if (ww->buttons[i].selected)
c -= strlen(ww->buttons[i].label);
/* buttons start here */
x += c / 2;
for (i = 0; i < WDG_DIALOG_MAX_BUTTON; i++) {
/* if the mouse is over a title */
if (mouse->x >= x && mouse->x < x + strlen(ww->buttons[i].label) ) {
ww->focus_button = i;
return WDG_ESUCCESS;
}
/* move the pointer */
x += strlen(ww->buttons[i].label);
}
return -WDG_ENOTHANDLED;
}
/*
* print a string in the window
*/
void wdg_scroll_print(wdg_t *wo, int color, char *fmt, ...)
{
WDG_WO_EXT(struct wdg_scroll, ww);
size_t c = wdg_get_ncols(wo);
size_t l = wdg_get_nlines(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
va_list ap;
WDG_DEBUG_MSG("wdg_scroll_print");
/* move to the bottom of the pad */
wdg_set_scroll(wo, ww->y_max - l + 1);
wbkgdset(ww->sub, COLOR_PAIR(color));
/* print the message */
va_start(ap, fmt);
vw_printw(ww->sub, fmt, ap);
va_end(ap);
wbkgdset(ww->sub, COLOR_PAIR(wo->window_color));
WDG_PAD_REFRESH(ww, c, l, x, y);
}
/*
* called by the messages dispatcher when the window is focused
*/
static int wdg_scroll_get_msg(struct wdg_object *wo, int key, struct wdg_mouse_event *mouse)
{
WDG_WO_EXT(struct wdg_scroll, ww);
size_t c = wdg_get_ncols(wo);
size_t l = wdg_get_nlines(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
/* handle the message */
switch (key) {
case KEY_MOUSE:
/* is the mouse event within our edges ? */
if (wenclose(ww->win, mouse->y, mouse->x)) {
/* get the focus only if it was not focused */
if (!(wo->flags & WDG_OBJ_FOCUSED))
wdg_set_focus(wo);
if (mouse->x == x + c - 1 && (mouse->y >= y + 1 && mouse->y <= y + l - 1)) {
wdg_mouse_scroll(wo, mouse->y);
WDG_PAD_REFRESH(ww, c, l, x, y);
wnoutrefresh(ww->win);
}
} else
return -WDG_ENOTHANDLED;
break;
/* handle scrolling of the pad */
case KEY_UP:
wdg_set_scroll(wo, ww->y_scroll - 1);
WDG_PAD_REFRESH(ww, c, l, x, y);
wnoutrefresh(ww->win);
break;
case KEY_DOWN:
wdg_set_scroll(wo, ww->y_scroll + 1);
WDG_PAD_REFRESH(ww, c, l, x, y);
wnoutrefresh(ww->win);
break;
case KEY_NPAGE:
wdg_set_scroll(wo, ww->y_scroll + (l - 2));
WDG_PAD_REFRESH(ww, c, l, x, y);
wnoutrefresh(ww->win);
break;
case KEY_PPAGE:
wdg_set_scroll(wo, ww->y_scroll - (l - 2));
WDG_PAD_REFRESH(ww, c, l, x, y);
wnoutrefresh(ww->win);
break;
/* message not handled */
default:
return -WDG_ENOTHANDLED;
break;
}
return WDG_ESUCCESS;
}
/*
* erase the subwindow
*/
void wdg_scroll_erase(wdg_t *wo)
{
WDG_WO_EXT(struct wdg_scroll, ww);
size_t c = wdg_get_ncols(wo);
size_t l = wdg_get_nlines(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
werase(ww->sub);
WDG_PAD_REFRESH(ww, c, l, x, y);
}
/*
* jump to a scroll position with the mouse
*/
static void wdg_mouse_scroll(struct wdg_object *wo, int s)
{
WDG_WO_EXT(struct wdg_scroll, ww);
size_t l = wdg_get_nlines(wo);
size_t y = wdg_get_begin_y(wo);
size_t base;
/* calculate the relative displacement */
base = s - y - 1;
/* special case for top and bottom */
if (base == 0)
s = 0;
else if (base == l - 3)
s = ww->y_max - l + 1;
/* else calulate the proportion */
else
s = base * ww->y_max / (l - 2);
/* set the scroller */
wdg_set_scroll(wo, s);
}
/*
* create the internal form
*/
static void wdg_input_form_create(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_input_handle, ww);
int mrows, mcols;
size_t c = wdg_get_ncols(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
/* the form is already posted */
if (ww->form)
return;
/* create the form */
ww->form = new_form(ww->fields);
/* get the geometry to make a window */
scale_form(ww->form, &mrows, &mcols);
/* create the window for the form */
ww->fwin = newwin(mrows, MAX(mcols, (int)c - 4), y + 1, x + 2);
/* set the color */
wbkgd(ww->fwin, COLOR_PAIR(wo->window_color));
keypad(ww->fwin, TRUE);
/* associate with the form */
set_form_win(ww->form, ww->fwin);
/* the subwin for the form */
set_form_sub(ww->form, derwin(ww->fwin, mrows + 1, mcols, 1, 1));
/* make the active field in reverse mode */
set_field_back(current_field(ww->form), A_REVERSE);
/* display the form */
post_form(ww->form);
wnoutrefresh(ww->fwin);
}
/*
* create the internal menu for the files
*/
static void wdg_file_menu_create(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_file_handle, ww);
int mrows, mcols;
int i;
size_t c = wdg_get_ncols(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
struct stat buf;
/* the menu is already posted */
if (ww->nitems)
return;
WDG_DEBUG_MSG("wdg_file_menu_create");
/* get the working directory */
getcwd(ww->curpath, PATH_MAX);
/* scan the directory */
ww->nlist = scandir(".", &ww->namelist, 0, alphasort);
/* on error display the message in the box */
if (ww->nlist <= 0) {
ww->nitems = 2;
WDG_SAFE_REALLOC(ww->items, ww->nitems * sizeof(ITEM *));
ww->items[ww->nitems - 2] = new_item("/", "root");
ww->items[ww->nitems - 1] = new_item("Cannot open the directory", "");
item_opts_off(ww->items[ww->nitems - 1], O_SELECTABLE);
} else {
/* for each directory in the directory */
for (i = 0; i < ww->nlist; i++) {
/*
* transform the current dir into the root.
* useful to exit from a path whose parent is not readable
*/
if (!strcmp(ww->namelist[i]->d_name, ".")) {
strncpy(ww->namelist[i]->d_name, "/", 1);
ww->nitems++;
WDG_SAFE_REALLOC(ww->items, ww->nitems * sizeof(ITEM *));
ww->items[ww->nitems - 1] = new_item(ww->namelist[i]->d_name, "root");
continue;
}
/* get the file properties */
stat(ww->namelist[i]->d_name, &buf);
if (S_ISDIR(buf.st_mode)) {
ww->nitems++;
WDG_SAFE_REALLOC(ww->items, ww->nitems * sizeof(ITEM *));
ww->items[ww->nitems - 1] = new_item(ww->namelist[i]->d_name, "[...]");
}
// if not readable
//item_opts_off(ww->items[ww->nitems - 1], O_SELECTABLE);
}
/* and now add the files */
for (i = 0; i < ww->nlist; i++) {
/* get the file properties */
stat(ww->namelist[i]->d_name, &buf);
if (!S_ISDIR(buf.st_mode)) {
ww->nitems++;
WDG_SAFE_REALLOC(ww->items, ww->nitems * sizeof(ITEM *));
ww->items[ww->nitems - 1] = new_item(ww->namelist[i]->d_name, "");
}
}
}
/* null terminate the array */
WDG_SAFE_REALLOC(ww->items, (ww->nitems + 1) * sizeof(ITEM *));
ww->items[ww->nitems] = NULL;
/* create the menu */
ww->m = new_menu(ww->items);
/* set the dimensions */
set_menu_format(ww->m, ww->y - 2, 1);
set_menu_spacing(ww->m, 2, 0, 0);
/* get the geometry to make a window */
scale_menu(ww->m, &mrows, &mcols);
/*
* if the menu is larger than the main window
* adapt to the new dimensions
*/
if (mcols > (int)c - 4) {
ww->x = mcols + 4;
wdg_file_redraw(wo);
return;
}
/* create the window for the menu */
ww->mwin = newwin(mrows, MAX(mcols, (int)c - 4), y + 1, x + 2);
/* set the color */
wbkgd(ww->mwin, COLOR_PAIR(wo->window_color));
keypad(ww->mwin, TRUE);
/* associate with the menu */
set_menu_win(ww->m, ww->mwin);
/* the subwin for the menu */
set_menu_sub(ww->m, derwin(ww->mwin, mrows + 1, mcols, 1, 1));
/* menu attributes */
set_menu_mark(ww->m, "");
set_menu_grey(ww->m, COLOR_PAIR(wo->window_color));
set_menu_back(ww->m, COLOR_PAIR(wo->window_color));
set_menu_fore(ww->m, COLOR_PAIR(wo->window_color) | A_REVERSE | A_BOLD);
/* display the menu */
post_menu(ww->m);
wnoutrefresh(ww->mwin);
}
/*
* called to redraw the file dialog
*/
static int wdg_file_redraw(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_file_handle, ww);
size_t c, l, x, y;
WDG_DEBUG_MSG("wdg_file_redraw");
/* default dimentions */
wo->x1 = (current_screen.cols - ww->x) / 2;
wo->y1 = (current_screen.lines - ww->y) / 2;
wo->x2 = -wo->x1;
wo->y2 = -wo->y1;
c = wdg_get_ncols(wo);
l = wdg_get_nlines(wo);
x = wdg_get_begin_x(wo);
y = wdg_get_begin_y(wo);
/* deal with rouding */
if (l != ww->y) l = ww->y;
if (c != ww->x) c = ww->x;
/* the window already exist */
if (ww->win) {
/* erase the border */
wbkgd(ww->win, COLOR_PAIR(wo->screen_color));
werase(ww->win);
/* destroy the file list */
wdg_file_menu_destroy(wo);
touchwin(ww->win);
wnoutrefresh(ww->win);
/* resize the window and draw the new border */
mvwin(ww->win, y, x);
wresize(ww->win, l, c);
wbkgd(ww->win, COLOR_PAIR(wo->window_color));
werase(ww->win);
/* create the file list */
wdg_file_menu_create(wo);
touchwin(ww->win);
wdg_file_borders(wo);
/* the first time we have to allocate the window */
} else {
/* create the menu window (fixed dimensions) */
if ((ww->win = newwin(l, c, y, x)) == NULL)
return -WDG_E_FATAL;
/* create the file list */
wdg_file_menu_create(wo);
/* set the window color */
wbkgd(ww->win, COLOR_PAIR(wo->window_color));
redrawwin(ww->win);
/* draw the titles */
wdg_file_borders(wo);
/* no scrolling */
scrollok(ww->win, FALSE);
}
/* refresh the window */
touchwin(ww->win);
wnoutrefresh(ww->win);
touchwin(ww->mwin);
wnoutrefresh(ww->mwin);
wo->flags |= WDG_OBJ_VISIBLE;
return WDG_E_SUCCESS;
}
/*
* called to redraw a window
*/
static int wdg_scroll_redraw(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_scroll, ww);
size_t c = wdg_get_ncols(wo);
size_t l = wdg_get_nlines(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
WDG_DEBUG_MSG("wdg_scroll_redraw");
/* the window already exist */
if (ww->win) {
/* erase the border */
wbkgd(ww->win, COLOR_PAIR(wo->screen_color));
werase(ww->win);
touchwin(ww->win);
wnoutrefresh(ww->win);
/* resize the window and draw the new border */
mvwin(ww->win, y, x);
wresize(ww->win, l, c);
wdg_scroll_border(wo);
/* set the window color */
wbkgd(ww->sub, COLOR_PAIR(wo->window_color));
touchwin(ww->sub);
/* the pad is resized only orizzontally.
* the vertical dimension can be larger than the screen */
wdg_scroll_set_lines(wo, ww->y_max);
/* refresh it */
WDG_PAD_REFRESH(ww, c, l, x, y);
/* the first time we have to allocate the window */
} else {
/* a default value waiting for wdg_scroll_set_lines() */
ww->y_max = l * 5;
/* create the outher window */
if ((ww->win = newwin(l, c, y, x)) == NULL)
return -WDG_EFATAL;
/* draw the borders */
wdg_scroll_border(wo);
/* initialize the pointer */
wdg_set_scroll(wo, ww->y_max - l + 1);
/* create the inner (actual) window */
if ((ww->sub = newpad(ww->y_max, c - 2)) == NULL)
return -WDG_EFATAL;
/* set the window color */
wbkgd(ww->sub, COLOR_PAIR(wo->window_color));
touchwin(ww->sub);
/* move to the bottom of the pad */
wmove(ww->sub, ww->y_scroll + 1, 0);
/* permit scroll in the pad */
scrollok(ww->sub, TRUE);
}
/* refresh the window */
touchwin(ww->sub);
wnoutrefresh(ww->win);
WDG_PAD_REFRESH(ww, c, l, x, y);
wo->flags |= WDG_OBJ_VISIBLE;
return WDG_ESUCCESS;
}
/*
* called to redraw a window
*/
static int wdg_window_redraw(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_window, ww);
size_t c = wdg_get_ncols(wo);
size_t l = wdg_get_nlines(wo);
size_t x = wdg_get_begin_x(wo);
size_t y = wdg_get_begin_y(wo);
WDG_DEBUG_MSG("wdg_window_redraw");
/* the window already exist */
if (ww->win) {
/* erase the border */
wbkgd(ww->win, COLOR_PAIR(wo->screen_color));
werase(ww->win);
touchwin(ww->win);
wnoutrefresh(ww->win);
/* resize the window and draw the new border */
mvwin(ww->win, y, x);
wresize(ww->win, l, c);
wdg_window_border(wo);
/* resize the actual window and touch it */
mvwin(ww->sub, y + 1, x + 1);
wresize(ww->sub, l - 2, c - 2);
/* set the window color */
wbkgd(ww->sub, COLOR_PAIR(wo->window_color));
/* the first time we have to allocate the window */
} else {
/* create the outher window */
if ((ww->win = newwin(l, c, y, x)) == NULL)
return -WDG_EFATAL;
/* draw the borders */
wdg_window_border(wo);
/* create the inner (actual) window */
if ((ww->sub = newwin(l - 2, c - 2, y + 1, x + 1)) == NULL)
return -WDG_EFATAL;
/* set the window color */
wbkgd(ww->sub, COLOR_PAIR(wo->window_color));
werase(ww->sub);
redrawwin(ww->sub);
/* initialize the pointer */
wmove(ww->sub, 0, 0);
scrollok(ww->sub, TRUE);
}
/* refresh the window */
redrawwin(ww->sub);
redrawwin(ww->win);
wnoutrefresh(ww->win);
wnoutrefresh(ww->sub);
wo->flags |= WDG_OBJ_VISIBLE;
return WDG_ESUCCESS;
}
/*
* called to redraw a window
*/
static int wdg_dialog_redraw(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_dialog, ww);
size_t c, l, x, y;
size_t lines, cols;
WDG_DEBUG_MSG("wdg_dialog_redraw");
/* calculate the dimension and position */
wdg_dialog_get_size(wo, &lines, &cols);
/* center on the screen, but not outside the edges */
if (cols + 4 >= current_screen.cols)
wo->x1 = 0;
else
wo->x1 = (current_screen.cols - (cols + 4)) / 2;
wo->y1 = (current_screen.lines - (lines + 4)) / 2;
wo->x2 = -wo->x1;
wo->y2 = -wo->y1;
/* get the cohorditates as usual */
c = wdg_get_ncols(wo);
l = wdg_get_nlines(wo);
x = wdg_get_begin_x(wo);
y = wdg_get_begin_y(wo);
/* deal with rouding */
if (l != lines + 4) l = lines + 4;
if (c != cols + 4) c = cols + 4;
/* the window already exist */
if (ww->win) {
/* erase the border */
wbkgd(ww->win, COLOR_PAIR(wo->screen_color));
werase(ww->win);
touchwin(ww->win);
wnoutrefresh(ww->win);
/* resize the window and draw the new border */
mvwin(ww->win, y, x);
wresize(ww->win, l, c);
wdg_dialog_border(wo);
wdg_dialog_buttons(wo);
/* resize the actual window and touch it */
mvwin(ww->sub, y + 2, x + 2);
wresize(ww->sub, l - 4, c - 4);
/* set the window color */
wbkgdset(ww->sub, COLOR_PAIR(wo->window_color));
/* the first time we have to allocate the window */
} else {
/* create the outher window */
if ((ww->win = newwin(l, c, y, x)) == NULL)
return -WDG_EFATAL;
/* draw the borders */
wdg_dialog_border(wo);
wdg_dialog_buttons(wo);
/* create the inner (actual) window */
if ((ww->sub = newwin(l - 4, c - 4, y + 2, x + 2)) == NULL)
return -WDG_EFATAL;
/* set the window color */
wbkgdset(ww->sub, COLOR_PAIR(wo->window_color));
werase(ww->sub);
redrawwin(ww->sub);
}
/* print the message text */
wmove(ww->sub, 0, 0);
wprintw(ww->sub, ww->text);
/* refresh the window */
redrawwin(ww->sub);
redrawwin(ww->win);
wnoutrefresh(ww->win);
wnoutrefresh(ww->sub);
wo->flags |= WDG_OBJ_VISIBLE;
return WDG_ESUCCESS;
}
/*
* called to redraw a window
*/
static int wdg_percentage_redraw(struct wdg_object *wo)
{
WDG_WO_EXT(struct wdg_percentage, ww);
size_t c, l, x, y;
size_t cols;
/* calculate the dimension and position */
cols = strlen(wo->title) + 2;
/* set the minimum */
if (cols < 45)
cols = 45;
/* center on the screen, but not outside the edges */
if (cols + 4 >= current_screen.cols)
wo->x1 = 0;
else
wo->x1 = (current_screen.cols - (cols + 4)) / 2;
wo->y1 = (current_screen.lines - 7) / 2;
wo->x2 = -wo->x1;
wo->y2 = -wo->y1;
c = wdg_get_ncols(wo);
l = wdg_get_nlines(wo);
x = wdg_get_begin_x(wo);
y = wdg_get_begin_y(wo);
/* the window already exist */
if (ww->win) {
/* erase the border */
wbkgd(ww->win, COLOR_PAIR(wo->screen_color));
werase(ww->win);
touchwin(ww->win);
wnoutrefresh(ww->win);
/* resize the window and draw the new border */
mvwin(ww->win, y, x);
wresize(ww->win, l, c);
wdg_percentage_border(wo);
/* resize the actual window and touch it */
mvwin(ww->sub, y + 1, x + 1);
wresize(ww->sub, l - 2, c - 2);
/* set the window color */
wbkgdset(ww->sub, COLOR_PAIR(wo->window_color));
/* the first time we have to allocate the window */
} else {
/* create the outher window */
if ((ww->win = newwin(l, c, y, x)) == NULL)
return -WDG_E_FATAL;
/* draw the borders */
wdg_percentage_border(wo);
/* create the inner (actual) window */
if ((ww->sub = newwin(l - 2, c - 2, y + 1, x + 1)) == NULL)
return -WDG_E_FATAL;
/* set the window color */
wbkgdset(ww->sub, COLOR_PAIR(wo->window_color));
werase(ww->sub);
redrawwin(ww->sub);
/* initialize the pointer */
wmove(ww->sub, 0, 0);
scrollok(ww->sub, TRUE);
}
/* refresh the window */
redrawwin(ww->sub);
redrawwin(ww->win);
wnoutrefresh(ww->win);
wnoutrefresh(ww->sub);
wo->flags |= WDG_OBJ_VISIBLE;
return WDG_E_SUCCESS;
}