1 files changed, 0 insertions, 515 deletions

diff --git a/apps/wm.c b/apps/wm.c
deleted file mode 100644
index bc58793..0000000
--- a/apps/wm.c
+++ /dev/null
@@ -1,515 +0,0 @@
-// MIT License, Copyright (c) 2020 Marvin Borner
-
-#include <assert.h>
-#include <def.h>
-#include <errno.h>
-#include <input.h>
-#include <ioctl.h>
-#include <libgui/gfx.h>
-#include <libgui/gui.h>
-#include <libgui/msg.h>
-#include <libgui/vesa.h>
-#include <libtxt/keymap.h>
-#include <list.h>
-#include <random.h>
-
-//#define FLUSH_TIMEOUT 6
-
-struct client {
-	u32 pid;
-};
-
-struct window {
-	u32 id;
-	u32 shid;
-	const char *name;
-	struct context ctx;
-	struct client client;
-	u32 flags;
-	vec2 pos;
-	vec2 pos_prev;
-};
-
-struct rectangle {
-	vec2 pos1; // Upper left
-	vec2 pos2; // Lower right
-	void *data;
-};
-
-static u8 bypp = 4;
-static struct vbe screen = { 0 };
-static struct list *windows = NULL; // THIS LIST SHALL BE SORTED BY Z-INDEX!
-static struct window *direct = NULL;
-static struct window *wallpaper = NULL;
-static struct window *cursor = NULL;
-static struct window *focused = NULL;
-static struct keymap *keymap = NULL;
-static struct client wm_client = { 0 };
-static struct {
-	u8 shift : 1;
-	u8 alt : 1;
-	u8 ctrl : 1;
-} special_keys = { 0 };
-static struct {
-	vec2 pos;
-	u8 left : 1;
-	u8 mid : 1;
-	u8 right : 1;
-} mouse = { 0 };
-
-/**
- * 5head algorithms
- * Thanks to @LarsVomMars for the help
- */
-
-static void windows_at_rec(vec2 pos1, vec2 pos2, struct list *list)
-{
-	u32 width = pos2.x - pos1.x;
-	u32 height = pos2.y - pos1.y;
-	vec2 rec_corners[] = {
-		pos1,
-		vec2_add(pos1, vec2(width, 0)),
-		pos2,
-		vec2_add(pos1, vec2(0, height)),
-	};
-
-	u8 cursor_found = 0;
-
-	struct node *iterator = windows->head;
-	while (iterator) {
-		struct window *win = iterator->data;
-
-		if ((win->flags & WF_NO_WINDOW) != 0)
-			goto next;
-
-		vec2 corners[] = {
-			win->pos,
-			vec2_add(win->pos, vec2(win->ctx.size.x, 0)),
-			vec2_add(win->pos, vec2(win->ctx.size.x, win->ctx.size.y)),
-			vec2_add(win->pos, vec2(0, win->ctx.size.y)),
-		};
-
-		for (int i = 0; i < 4; i++) {
-			vec2 corner = corners[i];
-			if ((pos1.x <= corner.x && pos1.y <= corner.y) &&
-			    (pos2.x >= corner.x && pos2.y >= corner.y)) {
-				if (win == cursor)
-					cursor_found = 1;
-				else
-					list_add(list, win);
-				goto next;
-			}
-		}
-
-		vec2 win_pos1 = win->pos;
-		vec2 win_pos2 = vec2_add(win->pos, win->ctx.size);
-		for (int i = 0; i < 4; i++) {
-			vec2 corner = rec_corners[i];
-			if ((win_pos1.x <= corner.x && win_pos1.y <= corner.y) &&
-			    (win_pos2.x >= corner.x && win_pos2.y >= corner.y)) {
-				if (win == cursor)
-					cursor_found = 1;
-				else
-					list_add(list, win);
-				goto next;
-			}
-		}
-
-	next:
-		iterator = iterator->next;
-	}
-
-	if (cursor_found)
-		list_add(list, cursor);
-}
-
-static struct rectangle rectangle_at(vec2 pos1, vec2 pos2)
-{
-	u32 width = ABS(pos2.x - pos1.x);
-	u32 height = ABS(pos2.y - pos1.y);
-	u32 pitch = width * bypp;
-	u8 *data = zalloc(width * height * bypp);
-
-	struct list *windows_at = list_new();
-	windows_at_rec(pos1, pos2, windows_at);
-	struct node *iterator = windows_at->head;
-	while (iterator) {
-		struct window *win = iterator->data;
-
-		s32 start_x = win->pos.x - pos1.x;
-		u32 end_x = width;
-		if (start_x <= 0) { // Either right side or background
-			u32 right = start_x + win->ctx.size.x;
-			if (right <= width) { // Right side
-				start_x = 0;
-				end_x = right;
-			} else { // Background
-				start_x = 0;
-			}
-		}
-
-		s32 start_y = win->pos.y - pos1.y;
-		u32 end_y = height;
-		if (start_y <= 0) { // Either bottom side or background
-			u32 bot = start_y + win->ctx.size.y;
-			if (bot <= height) { // Bottom side
-				start_y = 0;
-				end_y = bot;
-			} else { // Background
-				start_y = 0;
-			}
-		}
-
-		vec2 pos = vec2_sub(pos1, win->pos);
-
-		u8 *srcfb =
-			&win->ctx.fb[(pos.x + start_x) * bypp + (pos.y + start_y) * win->ctx.pitch];
-		u8 *destfb = &data[start_x * bypp + start_y * pitch];
-
-		// Copy window data to rectangle buffer
-		for (u32 cy = start_y; cy < end_y; cy++) {
-			u32 diff = 0;
-			for (u32 cx = start_x; cx < end_x; cx++) {
-				if (srcfb[bypp - 1])
-					memcpy(destfb, srcfb, bypp);
-
-				srcfb += bypp;
-				destfb += bypp;
-				diff += bypp;
-			}
-			srcfb += win->ctx.pitch - diff;
-			destfb += pitch - diff;
-		}
-
-		iterator = iterator->next;
-	}
-	list_destroy(windows_at);
-
-	return (struct rectangle){ .pos1 = pos1, .pos2 = pos2, .data = data };
-}
-
-static void rectangle_redraw(vec2 pos1, vec2 pos2)
-{
-	struct rectangle rec = rectangle_at(pos1, pos2);
-
-	u32 width = ABS(pos2.x - pos1.x);
-	u32 height = ABS(pos2.y - pos1.y);
-
-	/* log("REDR at %d %d: %d %d\n", pos1.x, pos1.y, width, height); */
-
-	u8 *srcfb = rec.data;
-	u8 *destfb = &direct->ctx.fb[rec.pos1.x * bypp + rec.pos1.y * direct->ctx.pitch];
-	for (u32 cy = 0; cy < height; cy++) {
-		memcpy(destfb, srcfb, width * bypp);
-		srcfb += width * bypp;
-		destfb += direct->ctx.pitch;
-	}
-
-	free(rec.data);
-}
-
-/**
- * Window operations
- */
-
-static struct window *window_new(struct client client, const char *name, struct vec2 pos,
-				 struct vec2 size, u32 flags)
-{
-	struct window *win = malloc(sizeof(*win));
-	static u32 id = 0;
-	win->id = id++;
-	win->name = name; // strdup?
-	win->ctx.size = size;
-	win->ctx.bpp = screen.bpp;
-	win->ctx.pitch = size.x * bypp;
-	win->ctx.bytes = win->ctx.pitch * win->ctx.size.y;
-	if ((flags & WF_NO_FB) != 0) {
-		win->ctx.fb = NULL;
-	} else {
-		assert(shalloc(win->ctx.bytes, (u32 *)&win->ctx.fb, &win->shid) == EOK);
-	}
-	win->client = client;
-	win->flags = flags;
-	win->pos = pos;
-	win->pos_prev = pos;
-	list_add(windows, win);
-	return win;
-}
-
-static struct window *window_find(u32 id)
-{
-	struct node *iterator = windows->head;
-	while (iterator) {
-		struct window *win = iterator->data;
-		if (win->id == id)
-			return win;
-		iterator = iterator->next;
-	}
-	return NULL;
-}
-
-static struct window *window_at(vec2 pos)
-{
-	struct window *ret = NULL;
-
-	struct node *iterator = windows->head;
-	while (iterator) {
-		struct window *win = iterator->data;
-		if (!(win->flags & (WF_NO_WINDOW | WF_NO_FOCUS)) && pos.x >= win->pos.x &&
-		    pos.x <= win->pos.x + win->ctx.size.x && pos.y >= win->pos.y &&
-		    pos.y <= win->pos.y + win->ctx.size.y)
-			ret = win;
-		iterator = iterator->next;
-	}
-	return ret;
-}
-
-static void window_redraw(struct window *win)
-{
-	// TODO: Only redraw difference of prev/curr (difficult with negative directions)
-	vec2 pos1 = win->pos_prev;
-	vec2 pos2 = vec2(pos1.x + win->ctx.size.x, pos1.y + win->ctx.size.y);
-
-	rectangle_redraw(pos1, pos2);
-}
-
-// TODO: Fix strange artifacts after destroying
-static void window_destroy(struct window *win)
-{
-	//free(win->name);
-	memset(win->ctx.fb, 0, win->ctx.bytes);
-	rectangle_redraw(win->pos, vec2_add(win->pos, win->ctx.size));
-	list_remove(windows, list_first_data(windows, win));
-	sys_free(win->ctx.fb);
-	free(win);
-}
-
-/**
- * Event handlers
- */
-
-static void handle_event_keyboard(struct event_keyboard *event)
-{
-	if (event->magic != KEYBOARD_MAGIC) {
-		log("Keyboard magic doesn't match!\n");
-		return;
-	}
-
-	if (event->scancode == KEY_LEFTSHIFT || event->scancode == KEY_RIGHTSHIFT)
-		special_keys.shift ^= 1;
-	else if (event->scancode == KEY_LEFTALT || event->scancode == KEY_RIGHTALT)
-		special_keys.alt ^= 1;
-	else if (event->scancode == KEY_LEFTCTRL || event->scancode == KEY_RIGHTCTRL)
-		special_keys.ctrl ^= 1;
-
-	if (event->scancode > KEYMAP_LENGTH)
-		return;
-
-	char ch;
-	if (special_keys.shift)
-		ch = keymap->shift_map[event->scancode];
-	else if (special_keys.alt)
-		ch = keymap->alt_map[event->scancode];
-	else
-		ch = keymap->map[event->scancode];
-
-	(void)ch;
-}
-
-static void handle_event_mouse(struct event_mouse *event)
-{
-	if (event->magic != MOUSE_MAGIC) {
-		log("Mouse magic doesn't match!\n");
-		return;
-	}
-
-	cursor->pos_prev = mouse.pos;
-
-	mouse.pos.x += event->diff_x;
-	mouse.pos.y -= event->diff_y;
-
-	// Fix x overflow
-	if ((signed)mouse.pos.x < 0)
-		mouse.pos.x = 0;
-	else if (mouse.pos.x + cursor->ctx.size.x > (unsigned)screen.width - 1)
-		mouse.pos.x = screen.width - cursor->ctx.size.x - 1;
-
-	// Fix y overflow
-	if ((signed)mouse.pos.y < 0)
-		mouse.pos.y = 0;
-	else if (mouse.pos.y + cursor->ctx.size.y > (unsigned)screen.height - 1)
-		mouse.pos.y = screen.height - cursor->ctx.size.y - 1;
-
-	cursor->pos = mouse.pos;
-
-	struct window *win = window_at(mouse.pos);
-	if (win && !(win->flags & WF_NO_FOCUS) && !event->but1 && !event->but2 && !event->but3)
-		focused = win;
-
-	if (focused && !(focused->flags & WF_NO_DRAG) && event->but1 && special_keys.alt) {
-		focused->pos_prev = focused->pos;
-		focused->pos = mouse.pos;
-		window_redraw(focused);
-		return;
-	} else if (!vec2_eq(cursor->pos, cursor->pos_prev)) {
-		window_redraw(cursor);
-	}
-
-	if (!win)
-		return;
-
-	struct message_mouse msg = { 0 };
-	msg.header.state = MSG_GO_ON;
-	msg.id = win->id;
-	msg.pos = vec2_sub(mouse.pos, win->pos);
-	msg.bits.click = event->but1;
-	msg_send(win->client.pid, GUI_MOUSE, &msg, sizeof(msg));
-}
-
-/**
- * Message handlers
- */
-
-static void handle_message_new_window(struct message_new_window *msg)
-{
-	struct window *win = window_new((struct client){ .pid = msg->header.src }, "idk",
-					vec2(500, 600), vec2(600, 400), 0);
-	msg->ctx = win->ctx;
-	msg->shid = win->shid;
-	msg->id = win->id;
-
-	if (msg->header.state == MSG_NEED_ANSWER)
-		msg_send(msg->header.src, GUI_NEW_WINDOW | MSG_SUCCESS, msg, sizeof(*msg));
-}
-
-static void handle_message_redraw_window(struct message_redraw_window *msg)
-{
-	u32 id = msg->id;
-	struct window *win = window_find(id);
-	if (!win || win->client.pid != msg->header.src) {
-		if (msg->header.state == MSG_NEED_ANSWER)
-			msg_send(msg->header.src, GUI_REDRAW_WINDOW | MSG_FAILURE, msg,
-				 sizeof(msg->header));
-		return;
-	}
-
-	window_redraw(win);
-
-	if (msg->header.state == MSG_NEED_ANSWER)
-		msg_send(msg->header.src, GUI_REDRAW_WINDOW | MSG_SUCCESS, msg,
-			 sizeof(msg->header));
-}
-
-static void handle_message_destroy_window(struct message_destroy_window *msg)
-{
-	u32 id = msg->id;
-	struct window *win = window_find(id);
-	if (!win || win->client.pid != msg->header.src) {
-		if (msg->header.state == MSG_NEED_ANSWER)
-			msg_send(msg->header.src, GUI_DESTROY_WINDOW | MSG_FAILURE, msg,
-				 sizeof(msg->header));
-		return;
-	}
-
-	window_destroy(win);
-
-	if (msg->header.state == MSG_NEED_ANSWER)
-		msg_send(msg->header.src, GUI_DESTROY_WINDOW | MSG_SUCCESS, msg,
-			 sizeof(msg->header));
-}
-
-static void handle_message(void *msg)
-{
-	struct message_header *header = msg;
-
-	switch (header->type) {
-	case GUI_NEW_WINDOW:
-		handle_message_new_window(msg);
-		break;
-	case GUI_REDRAW_WINDOW:
-		handle_message_redraw_window(msg);
-		break;
-	case GUI_DESTROY_WINDOW:
-		handle_message_destroy_window(msg);
-		break;
-	default:
-		log("Message type %d not implemented!\n", header->type);
-		msg_send(header->src, header->type | MSG_FAILURE, msg, sizeof(*header));
-	}
-}
-
-static void handle_exit(void)
-{
-	if (keymap)
-		free(keymap);
-	if (windows)
-		list_destroy(windows);
-	if (screen.fb)
-		memset(screen.fb, COLOR_RED, screen.height * screen.pitch);
-}
-
-/**
- * Main loop
- */
-
-int main(int argc, char **argv)
-{
-	UNUSED(argc);
-	UNUSED(argv);
-
-	atexit(handle_exit);
-
-	assert(ioctl("/dev/fb", IO_FB_GET, &screen) == 0);
-	log("WM loaded: %dx%d\n", screen.width, screen.height);
-	wm_client = (struct client){ .pid = getpid() };
-	bypp = (screen.bpp >> 3);
-
-	windows = list_new();
-	keymap = keymap_parse("/res/keymaps/en.keymap");
-
-	direct = window_new(wm_client, "direct", vec2(0, 0), vec2(screen.width, screen.height),
-			    WF_NO_WINDOW | WF_NO_FB | WF_NO_DRAG | WF_NO_FOCUS | WF_NO_RESIZE);
-	direct->ctx.fb = screen.fb;
-	direct->flags ^= WF_NO_FB;
-	wallpaper =
-		window_new(wm_client, "wallpaper", vec2(0, 0), vec2(screen.width, screen.height),
-			   WF_NO_DRAG | WF_NO_FOCUS | WF_NO_RESIZE);
-	cursor = window_new(wm_client, "cursor", vec2(0, 0), vec2(32, 32),
-			    WF_NO_DRAG | WF_NO_FOCUS | WF_NO_RESIZE);
-
-	/* gfx_write(&direct->ctx, vec2(0, 0), FONT_32, COLOR_FG, "Loading Melvix..."); */
-	gfx_load_wallpaper(&wallpaper->ctx, "/res/wall.png");
-	gfx_load_wallpaper(&cursor->ctx, "/res/cursor.png");
-	window_redraw(wallpaper);
-
-	u8 msg[1024] = { 0 };
-	struct event_keyboard event_keyboard = { 0 };
-	struct event_mouse event_mouse = { 0 };
-	const char *listeners[] = { "/dev/kbd", "/dev/mouse", "/proc/self/msg", NULL };
-	while (1) {
-		int poll_ret = 0;
-		if ((poll_ret = poll(listeners)) >= 0) {
-			if (poll_ret == 0) {
-				if (read(listeners[poll_ret], &event_keyboard, 0,
-					 sizeof(event_keyboard)) > 0) {
-					handle_event_keyboard(&event_keyboard);
-					continue;
-				}
-			} else if (poll_ret == 1) {
-				if (read(listeners[poll_ret], &event_mouse, 0,
-					 sizeof(event_mouse)) > 0) {
-					handle_event_mouse(&event_mouse);
-					continue;
-				}
-			} else if (poll_ret == 2) {
-				if (msg_receive(msg, 1024) > 0) {
-					handle_message(msg);
-					continue;
-				}
-			}
-		}
-		panic("Poll/read error: %s\n", strerror(errno));
-	}
-
-	return 0;
-}