|
Packit Service |
a9274b |
/*
|
|
Packit Service |
a9274b |
* widget.c - handles widget objects and the widget stack
|
|
Packit Service |
a9274b |
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
|
|
Packit Service |
a9274b |
*
|
|
Packit Service |
a9274b |
* This program is free software: you can redistribute it and/or modify
|
|
Packit Service |
a9274b |
* it under the terms of the GNU General Public License as published by
|
|
Packit Service |
a9274b |
* the Free Software Foundation, either version 2 of the License, or
|
|
Packit Service |
a9274b |
* (at your option) any later version.
|
|
Packit Service |
a9274b |
*
|
|
Packit Service |
a9274b |
* This program is distributed in the hope that it will be useful,
|
|
Packit Service |
a9274b |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit Service |
a9274b |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
Packit Service |
a9274b |
* GNU General Public License for more details.
|
|
Packit Service |
a9274b |
*
|
|
Packit Service |
a9274b |
* You should have received a copy of the GNU General Public License
|
|
Packit Service |
a9274b |
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
Packit Service |
a9274b |
*/
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
#include "aconfig.h"
|
|
Packit Service |
a9274b |
#include <stdlib.h>
|
|
Packit Service |
a9274b |
#include <term.h>
|
|
Packit Service |
a9274b |
#include <unistd.h>
|
|
Packit Service |
a9274b |
#include <sys/ioctl.h>
|
|
Packit Service |
a9274b |
#include "die.h"
|
|
Packit Service |
a9274b |
#include "widget.h"
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
int screen_lines;
|
|
Packit Service |
a9274b |
int screen_cols;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
static int cursor_visibility = -1;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
static void widget_handle_key(int key)
|
|
Packit Service |
a9274b |
{
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
static void update_cursor_visibility(void)
|
|
Packit Service |
a9274b |
{
|
|
Packit Service |
a9274b |
const struct widget *active_widget;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
active_widget = get_active_widget();
|
|
Packit Service |
a9274b |
if (active_widget &&
|
|
Packit Service |
a9274b |
active_widget->cursor_visibility != cursor_visibility) {
|
|
Packit Service |
a9274b |
cursor_visibility = active_widget->cursor_visibility;
|
|
Packit Service |
a9274b |
curs_set(cursor_visibility);
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
void widget_init(struct widget *widget, int lines_, int cols, int y, int x,
|
|
Packit Service |
a9274b |
chtype bkgd, unsigned int flags)
|
|
Packit Service |
a9274b |
{
|
|
Packit Service |
a9274b |
WINDOW *old_window;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
if (y == SCREEN_CENTER)
|
|
Packit Service |
a9274b |
y = (screen_lines - lines_) / 2;
|
|
Packit Service |
a9274b |
if (x == SCREEN_CENTER)
|
|
Packit Service |
a9274b |
x = (screen_cols - cols) / 2;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
old_window = widget->window;
|
|
Packit Service |
a9274b |
widget->window = newwin(lines_, cols, y, x);
|
|
Packit Service |
a9274b |
if (!widget->window)
|
|
Packit Service |
a9274b |
fatal_error("cannot create window");
|
|
Packit Service |
a9274b |
keypad(widget->window, TRUE);
|
|
Packit Service |
a9274b |
nodelay(widget->window, TRUE);
|
|
Packit Service |
a9274b |
leaveok(widget->window, !(flags & WIDGET_CURSOR_VISIBLE));
|
|
Packit Service |
a9274b |
wbkgdset(widget->window, bkgd);
|
|
Packit Service |
a9274b |
werase(widget->window);
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
if (flags & WIDGET_BORDER)
|
|
Packit Service |
a9274b |
box(widget->window, 0, 0);
|
|
Packit Service |
a9274b |
if (flags & WIDGET_SUBWINDOW) {
|
|
Packit Service |
a9274b |
if (widget->subwindow)
|
|
Packit Service |
a9274b |
delwin(widget->subwindow);
|
|
Packit Service |
a9274b |
widget->subwindow = derwin(widget->window,
|
|
Packit Service |
a9274b |
lines_ - 2, cols - 2, 1, 1);
|
|
Packit Service |
a9274b |
if (!widget->subwindow)
|
|
Packit Service |
a9274b |
fatal_error("cannot create subwindow");
|
|
Packit Service |
a9274b |
wbkgdset(widget->subwindow, bkgd);
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
widget->cursor_visibility = !!(flags & WIDGET_CURSOR_VISIBLE);
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
if (widget->panel) {
|
|
Packit Service |
a9274b |
replace_panel(widget->panel, widget->window);
|
|
Packit Service |
a9274b |
} else {
|
|
Packit Service |
a9274b |
widget->panel = new_panel(widget->window);
|
|
Packit Service |
a9274b |
if (!widget->panel)
|
|
Packit Service |
a9274b |
fatal_error("cannot create panel");
|
|
Packit Service |
a9274b |
set_panel_userptr(widget->panel, widget);
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
//if (!widget->handle_key)
|
|
Packit Service |
a9274b |
// widget->handle_key = widget_handle_key;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
if (old_window)
|
|
Packit Service |
a9274b |
delwin(old_window);
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
update_cursor_visibility();
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
void widget_free(struct widget *widget)
|
|
Packit Service |
a9274b |
{
|
|
Packit Service |
a9274b |
if (widget->panel) {
|
|
Packit Service |
a9274b |
del_panel(widget->panel);
|
|
Packit Service |
a9274b |
widget->panel = NULL;
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
if (widget->subwindow) {
|
|
Packit Service |
a9274b |
delwin(widget->subwindow);
|
|
Packit Service |
a9274b |
widget->subwindow = NULL;
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
if (widget->window) {
|
|
Packit Service |
a9274b |
delwin(widget->window);
|
|
Packit Service |
a9274b |
widget->window = NULL;
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
update_cursor_visibility();
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
const struct widget *get_active_widget(void)
|
|
Packit Service |
a9274b |
{
|
|
Packit Service |
a9274b |
PANEL *active_panel;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
active_panel = panel_below(NULL);
|
|
Packit Service |
a9274b |
if (active_panel)
|
|
Packit Service |
a9274b |
return panel_userptr(active_panel);
|
|
Packit Service |
a9274b |
else
|
|
Packit Service |
a9274b |
return NULL;
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
void window_size_changed(void)
|
|
Packit Service |
a9274b |
{
|
|
Packit Service |
a9274b |
PANEL *panel, *below;
|
|
Packit Service |
a9274b |
const struct widget *widget;
|
|
Packit Service |
a9274b |
struct winsize size;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &size) == 0)
|
|
Packit Service |
a9274b |
resize_term(size.ws_row, size.ws_col);
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
getmaxyx(stdscr, screen_lines, screen_cols);
|
|
Packit Service |
a9274b |
if (tigetflag("xenl") != 1 && tigetflag("am") != 1)
|
|
Packit Service |
a9274b |
--screen_lines;
|
|
Packit Service |
a9274b |
|
|
Packit Service |
a9274b |
for (panel = panel_below(NULL); panel; panel = below) {
|
|
Packit Service |
a9274b |
below = panel_below(panel);
|
|
Packit Service |
a9274b |
widget = panel_userptr(panel);
|
|
Packit Service |
a9274b |
widget->window_size_changed();
|
|
Packit Service |
a9274b |
}
|
|
Packit Service |
a9274b |
}
|