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#include <stdlib.h>
#include <string.h>
#include "eve.h"
#include "eve_kbd.h"
#include "screen.h"
#include "window.h"
#define MIN(X, Y) (((X) < (Y)) ? (X) : (Y))
void eve_window_init(EVEWindow *window, EVERect *g, EVEView *view, EVEScreen *screen) {
memset(window, 0, sizeof(EVEWindow));
if (g) window->g = *g;
if (view) {
window->view = view;
window->view->window = window;
}
window->screen = screen;
window->color_fg = 0xffffff;
}
void eve_window_set_color_bg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b) {
window->color_bg = (r << 16) | (g << 8) | b;
}
void eve_window_set_color_fg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b) {
window->color_fg = (r << 16) | (g << 8) | b;
}
int eve_window_visible(EVEWindow *window) {
if (window->g.x >= window->screen->w) return 0;
if (window->g.y >= window->screen->h) return 0;
if ((window->g.x + window->g.w) <= 0) return 0;
if ((window->g.y + window->g.h) <= 0) return 0;
return 1;
}
void eve_window_visible_g(EVEWindow *window, EVERect *g) {
EVEWindow *w = window->next;
*g = window->g;
while (w) {
if (eve_window_visible(w)) {
if (w->g.x > g->x) g->w = MIN(g->w, w->g.x - g->x);
if (w->g.y > g->y) g->h = MIN(g->h, w->g.y - g->y);
if (w->g.x + w->g.w < g->x + g->w) {
uint16_t x0 = g->w - MIN(g->w, (g->x + g->w) - (w->g.x + w->g.w));
g->x += x0;
g->w -= x0;
}
if (w->g.y + w->g.h < g->y + g->h) {
uint16_t y0 = g->h - MIN(g->h, (g->y + g->h) - (w->g.y + w->g.h));
g->y += y0;
g->h -= y0;
}
}
w = w->next;
}
}
void eve_window_append(EVEWindow *window) {
EVEScreen *screen = window->screen;
window->prev = screen->win_tail;
if (screen->win_tail) {
screen->win_tail->next = window;
} else {
screen->win_head = window;
}
screen->win_tail = window;
}
void eve_window_insert_above(EVEWindow *window, EVEWindow *win_prev) {
EVEScreen *screen = window->screen;
window->prev = win_prev;
window->next = win_prev->next;
if (window->next) {
window->next->prev = window;
} else {
screen->win_tail = window;
}
win_prev->next = window;
}
void eve_window_insert_below(EVEWindow *window, EVEWindow *win_next) {
EVEScreen *screen = window->screen;
window->prev = win_next->prev;
window->next = win_next;
win_next->prev = window;
if (window->prev) {
window->prev->next = window;
} else {
screen->win_head = window;
}
}
void eve_window_remove(EVEWindow *window) {
EVEScreen *screen = window->screen;
if (window->prev) {
window->prev->next = window->next;
} else {
screen->win_head = window->next;
}
if (window->next) {
window->next->prev = window->prev;
} else {
screen->win_tail = window->prev;
}
}
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