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#include "ui.internal.h"
#include "macros.h"
#include "ui/uimenu.internal.h"
#include <curses.h>
#include <string.h>
#define UI__ROOT_MIN_Y (24)
#define UI__ROOT_MIN_X (80)
/* top margin for menu bar */
#define UI__ROOT_MARGIN_TOP (1)
/* bottom margin for status bar */
#define UI__ROOT_MARGIN_BOTTOM (1)
#define UI__ROOT_MARGIN_LEFT (0)
#define UI__ROOT_MARGIN_RIGHT (0)
const char *ui__status_text = "Ready";
void ui__root_place_content_window(struct ui_window_root *root, struct ui_dims *dims)
{
memcpy(dims, &root->super.dims, sizeof(struct ui_dims));
dims->begy += UI__ROOT_MARGIN_TOP;
dims->maxy -= UI__ROOT_MARGIN_TOP + UI__ROOT_MARGIN_BOTTOM;
dims->begx += UI__ROOT_MARGIN_LEFT;
dims->maxx -= UI__ROOT_MARGIN_LEFT + UI__ROOT_MARGIN_RIGHT;
}
void ui__root_draw_menu(struct ui_window_root *root);
void ui__root_draw_status(struct ui_window_root *root);
void ui__root_draw_proc(struct ui_window_base *base)
{
struct ui_window_root *root = ui__cast(root, base);
int maxy, maxx;
getmaxyx(root->cwindow, maxy, maxx);
if (root->undersize_scr) {
for (int y = 0; y < maxy; ++y)
mvwhline(root->cwindow, y, 0, y < 3 ? ' ' : '/', maxx);
mvwprintw(root->cwindow, 0, 0, "Your terminal is too small! It must be at least %dx%d.", UI__ROOT_MIN_X, UI__ROOT_MIN_Y);
wrefresh(root->cwindow);
return;
}
ui__root_draw_menu(root);
ui__root_draw_status(root);
wnoutrefresh(root->cwindow);
wnoutrefresh(root->menu_cwindow);
if (root->content) {
ui__call_draw_proc(root->content);
}
if (root->floating) {
ui__call_draw_proc(root->floating);
}
doupdate();
}
void ui__root_draw_menu(struct ui_window_root *root)
{
wattron(root->menu_cwindow, A_REVERSE);
mvwhline(root->menu_cwindow, 0, 0, ' ', getmaxx(root->menu_cwindow));
mvwaddstr(root->menu_cwindow, 0, 0, " UMPS v0.1.0-dev");
char *text;
int idx = 0;
for (struct uimenu_item_header *item = root->menu_root->head; item; item = item->next, ++idx) {
waddstr(root->menu_cwindow, " ");
switch (item->type) {
case UMPS__MENU_TYPE_SPACER:
waddstr(root->menu_cwindow, "--");
continue;
case UMPS__MENU_TYPE_BUTTON:
text = ((struct uimenu_item_button *)item)->text;
break;
case UMPS__MENU_TYPE_MENU:
text = ((struct uimenu_item_menu *)item)->text;
break;
default:
umps_trap;
}
if (item == root->menu_selected)
wattroff(root->menu_cwindow, A_REVERSE);
if (text) waddstr(root->menu_cwindow, text);
else waddstr(root->menu_cwindow, "???");
wattron(root->menu_cwindow, A_REVERSE);
}
wattroff(root->menu_cwindow, A_REVERSE);
}
void ui__root_redraw_menu(struct ui_window_root *root)
{
ui__root_draw_menu(root);
wnoutrefresh(root->menu_cwindow);
doupdate();
}
void ui__root_draw_status(struct ui_window_root *root)
{
WINDOW *mywin = root->cwindow;
attron(A_REVERSE);
mvwhline(mywin, getmaxy(mywin)-1, 0, ' ', getmaxx(mywin));
if (ui__status_text) {
mvwaddstr(mywin, getmaxy(mywin)-1, 1, ui__status_text);
}
attroff(A_REVERSE);
}
void ui__root_layout_proc(struct ui_window_base *base)
{
struct ui_window_root *root = ui__cast(root, base);
if (root->cwindow != stdscr) {
if (root->cwindow) delwin(root->cwindow);
root->cwindow = newwin(root->super.dims.maxy, root->super.dims.maxx, root->super.dims.begy, root->super.dims.begx);
}
delwin(root->menu_cwindow);
root->menu_cwindow = newwin(1, root->super.dims.maxx, 0, 0);
if (root->super.dims.maxy < UI__ROOT_MIN_Y || root->super.dims.maxx < UI__ROOT_MIN_X) {
root->undersize_scr = true;
return;
}
root->undersize_scr = false;
if (root->content) {
ui__root_place_content_window(root, &root->content->dims);
ui__call_layout_proc(root->content);
}
}
struct ui_window_base *ui__root_control_proc(struct ui_window_base *base, ui_control inp)
{
struct ui_window_root *root = ui__cast(root, base);
if (root->undersize_scr) return NULL;
switch (inp) {
case NS('h'):
ui__status_text = "Hello...";
ui__call_draw_proc(ui__cast(base, ui_root));
break;
case NS('w'):
ui__status_text = "World!";
ui__call_draw_proc(ui__cast(base, ui_root));
break;
case NS('m'):
if (root->menu_selected) {
root->menu_selected = NULL;
} else {
root->menu_selected = root->menu_root->head;
}
ui__root_redraw_menu(root);
return NULL;
case KEY_LEFT:
case KEY_RIGHT:
if (root->menu_selected) {
struct uimenu_item_header *nxt = inp == KEY_RIGHT ? root->menu_selected->next : root->menu_selected->prev;
if (nxt) {
root->menu_selected = nxt;
ui__root_redraw_menu(root);
}
return NULL;
}
break;
}
if (root->menu_selected) {
return NULL;
} else {
return root->content;
}
}
void ui__root_set_content(struct ui_window_root *root, struct ui_window_base *window)
{
umps_assert(!window->parent);
umps_assert(!root->content);
ui__root_place_content_window(root, &window->dims);
root->content = window;
window->parent = ui__cast(base, root);
ui__call_layout_proc(window);
}
void ui__root_set_floating(struct ui_window_root *root, struct ui_window_base *window)
{
umps_assert(!window->parent);
umps_assert(!root->floating);
}
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