finish bulk of tree.* implementation

This commit is contained in:
Emile Clark-Boman 2025-09-11 17:41:14 +10:00
parent 669f620a6a
commit 8c4f288a97
4 changed files with 181 additions and 43 deletions

View file

@ -33,18 +33,18 @@ $(BIN)/shfx: shfx/main.c
$(CC) $(CFLAGS) -o $(BUILD)/shfx.o -c $^
$(CLD) $(CLDFLAGS) -lncurses -o $@ $(BUILD)/shfx.o
$(BIN)/dorne: $(addprefix $(BUILD)/,dorne.o epty.o)
$(CLD) $(CLDFLAGS) -o $@ $^
$(BIN)/dorne: $(addprefix $(BUILD)/,dorne.o ilovecurses.o)
$(CLD) $(CLDFLAGS) -lncurses -o $@ $^
$(BUILD) $(BIN):
mkdir -p $@
$(BUILD)/dorne.o: $(addprefix $(CLI)/, main.c)
$(mkobj)
$(BUILD)/epty.o: $(addprefix $(CLI)/, epty.c _pty.c)
$(BUILD)/ilovecurses.o: $(addprefix $(CLI)/, tree.c curse.c)
$(mkobj)
$(BUILD)/epty.o: $(addprefix $(CLI)/, child.c epty.c _pty.c)
$(mkobj)
# $1/%.o: $1/%.c
# === DEVELOPMENT TARGETS ===
.PHONY: debug run test

View file

@ -2,7 +2,10 @@
#include <stdlib.h>
#include <unistd.h>
#include "child.h"
#include <ncursesw/ncurses.h>
// #include "child.h"
#include "tree.h"
// struct d_window {
// int ptmx; // fd
@ -15,7 +18,23 @@
// }
int main(int argc, char **argv) {
struct d_child child;
spawnchild(&child);
// struct d_child child;
// spawnchild(&child);
struct crs_tree *tree;
init_tree(&tree);
init_pair(1, COLOR_BLACK, COLOR_CYAN);
init_pair(2, COLOR_BLACK, COLOR_RED);
// bifurcate_window_node(&tree->root, AXIS_X, FALSE, 0.5);
// wbkgd(tree->root->child[0]->win, COLOR_PAIR(1));
// wbkgd(tree->root->child[1]->win, COLOR_PAIR(1));
// sleep(3);
destroy_tree(tree);
return EXIT_SUCCESS;
}

View file

@ -1,5 +1,6 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "curse.h"
#include "tree.h"
@ -14,21 +15,30 @@ static inline struct crs_node *__alloc_node(const enum crs_nodetype type) {
/* Construct a new window node (crs_node of type NODE_WIN).
*/
static struct crs_node *init_node_window(WINDOW *win) {
static struct crs_node *init_window_node(WINDOW *const win) {
struct crs_node *node = __alloc_node(NODE_WINDOW);
node->win = win;
return node;
}
static struct crs_node *init_node_abstract(struct crs_node *node1,
struct crs_node *node2,
float ratio) {
struct crs_node *node = __alloc_node(NODE_ABSTRACT);
node->ratio = ratio;
static struct crs_node *auto_window_node(const struct crs_nodedims *dims) {
WINDOW *win = newwin(dims->height, dims->width, dims->y, dims->x);
return init_window_node(win);
}
node->child[0] = node1;
node->child[1] = node2;
static struct crs_node *init_abstract_node(struct crs_node *node0,
struct crs_node *node1,
const enum crs_axis axis,
const float ratio,
struct crs_nodedims *dims) {
struct crs_node *node = __alloc_node(NODE_ABSTRACT);
node->axis = axis;
node->ratio = ratio;
node->dims = dims;
node->child[0] = node0;
node->child[1] = node1;
return node;
}
@ -39,35 +49,138 @@ static void destroy_node(struct crs_node *node) {
goto end;
}
/* Abstract Node */
assert(node->type == NODE_ABSTRACT);
destroy_node(node->child[0]);
destroy_node(node->child[1]);
free(node->dims);
end:
free(node);
}
static inline struct crs_nodedims *__dup_dims(const struct crs_nodedims *dims) {
struct crs_nodedims *dup;
dup = (struct crs_nodedims *)malloc(sizeof(struct crs_nodedims));
memcpy(dup, dims, sizeof(struct crs_nodedims));
return dup;
}
static struct crs_nodedims *get_dims(const struct crs_node *node) {
struct crs_nodedims *dims;
if (node->type == NODE_WINDOW) {
/* Window Node */
dims = (struct crs_nodedims *)malloc(sizeof(struct crs_nodedims));
// GET_WNODEDIMS();
getbegyx(node->win, dims->y, dims->x);
getmaxyx(node->win, dims->height, dims->width);
printf("getx: %d\n", dims->x);
printf("gety: %d\n", dims->y);
printf("getwidth: %d\n", dims->width);
printf("getheight: %d\n", dims->height);
} else {
/* Abstract Node */
assert(node->type == NODE_ABSTRACT);
dims = __dup_dims(node->dims);
}
return dims;
}
/* Calculate the dimensions for nodes resulting from a bifurcation.
* Returns 0 on success, and 1 on failure if any width/height are 0 characters.
* WARNING: This function does not guarantee the x,y positions returned
* WARNING: are valid screen coordinates.
*/
static int bifurcate_dims(const struct crs_node *parent,
const enum crs_axis axis, const float ratio,
struct crs_nodedims **dims0,
struct crs_nodedims **dims1) {
assert(0 < ratio && ratio < 1);
struct crs_nodedims *_dims0, *_dims1;
_dims0 = get_dims(parent);
_dims1 = __dup_dims(_dims0);
printf("widthP: %d\n", _dims0->width);
printf("heightP: %d\n", _dims0->height);
if (axis == AXIS_X) {
_dims0->width *= ratio;
_dims1->width -= _dims0->width;
_dims1->x += _dims0->width;
} else {
_dims0->height *= ratio;
_dims1->height -= _dims0->height;
_dims1->y += _dims1->height;
}
if (!_dims0->width || !_dims0->height || !_dims1->width || !_dims1->height) {
printf("width0: %d\n", _dims0->width);
printf("height0: %d\n", _dims0->height);
printf("width1: %d\n", _dims1->width);
printf("height1: %d\n", _dims1->height);
return 1;
}
// propagate bifurcated dimensions
*dims0 = _dims0;
*dims1 = _dims1;
return 0;
}
static void resize_node(struct crs_node *node, struct crs_nodedims *new_dims) {
if (node->type == NODE_WINDOW) {
/* Window Node */
resizemv_window(new_dims->x, new_dims->y, new_dims->width, new_dims->height,
node->win);
free(new_dims);
} else {
/* Abstract Node */
assert(node->type == NODE_ABSTRACT);
struct crs_nodedims *dims0, *dims1;
free(node->dims);
node->dims = new_dims;
bifurcate_dims(node, node->axis, node->ratio, &dims0, &dims1);
resize_node(node->child[0], dims0);
resize_node(node->child[1], dims1);
}
}
/* Subdivide a window node's allocated region into two window nodes
* replacing the original node with an abstract node.
* Parameters:
* axis - controls which direction the subdivision occurs
* invert - invert index of the original node in the new abstract node
* invert_axis - invert index of the original node in the new abstract node
*/
static void bifurcate_window_node(struct crs_node **node, enum crs_axis axis,
int invert, float ratio) {
assert((*node)->type == NODE_ABSTRACT);
void bifurcate_window_node(struct crs_node **node,
const enum crs_axis axis,
const int invert_axis, const float ratio) {
assert((*node)->type == NODE_WINDOW);
struct crs_nodedims *dims0, *dims1;
struct crs_node *node0, *node1;
struct crs_node *original_node = *node;
struct crs_node *bi_node = init_node_window(); // WARNING: TODO
if (!invert) {
if (bifurcate_dims(*node, axis, ratio, &dims0, &dims1)) {
printf("FAILED TERRIBLY THE FUCK\n");
exit(1);
return;
}
if (invert_axis) {
/* Inverted Bifurcation */
*node = init_node_abstract(bi_node, original_node, ratio);
node0 = auto_window_node(dims0);
node1 = *node;
resize_node(node1, dims1);
} else {
/* Non-Inverted Bifurcation */
*node = init_node_abstract(original_node, bi_node, ratio);
node0 = *node;
node1 = auto_window_node(dims1);
resize_node(node0, dims0);
}
resize_abstract_node(*node);
*node = init_abstract_node(node0, node1, axis, ratio, (*node)->dims);
}
/* Collapse an abstract node, killing one child node and resizing
@ -89,17 +202,15 @@ static void collapse_abstract_node(struct crs_node **node,
/*
*/
static struct crs_node *init_root_node(void) {
WINDOW *rootwin = newwin(0, 0, 0, 0);
return init_node_window(rootwin);
return init_window_node(root_window());
}
int init_tree(struct crs_tree **tree) {
int init_tree(struct crs_tree **const tree) {
*tree = (struct crs_tree *)malloc(sizeof(struct crs_tree));
/* Initialise NCurses Library & Standard Screen */
crs_init(&(*tree)->stdscr);
init_ncurses();
/* */
(*tree)->root = init_root_node();
// (*tree)->root = __alloc_node(NODE_WINDOW);
@ -108,9 +219,14 @@ int init_tree(struct crs_tree **tree) {
return EXIT_SUCCESS;
}
void destroy_tree(struct crs_tree *tree) {
void destroy_tree(struct crs_tree *const tree) {
/* WARNING: is it ok to delwin(stdscr) ?? */
destroy_node(tree->root);
endwin();
free(tree);
}
void resize_tree(struct crs_tree *const tree, struct crs_nodedims *const dims) {
resize_node(tree->root, dims);
}

View file

@ -1,16 +1,19 @@
#ifndef DORNE_TREE_H
#define DORNE_TREE_H
# ifndef __NCURSES_H
#ifndef __NCURSES_H
typedef struct _win_st WINDOW;
# endif /* __NCURSES_H */
#endif /* __NCURSES_H */
#define NODE_CHILD_N 2
/* MACRO:
* Get widnow node start x,y coordinates, width, & height.
* void NODEDIMS(struct crs_node *node, struct crs_nodedims dims);
*/
#define NODEDIMS(node, dims) (getbegyx(dims.y, dims.x); getmaxyx(dims.y, dims.x))
#define GET_WNODEDIMS(dims, node) \
(getbegyx((node)->win, dims.y, dims.x)); \
getmaxyx((node)->win, dims.y, dims.x)
enum crs_nodetype {
NODE_WINDOW,
@ -35,24 +38,24 @@ struct crs_node {
union {
WINDOW *win;
struct {
enum crs_axis axis;
float ratio;
struct crs_nodedims *dims;
struct crs_node *child[NODE_CHILD_N];
};
};
};
struct crs_tree {
WINDOW *stdscr;
struct crs_node *root;
};
/* === External Interface === */
// struct crs_node *init_node_window(void);
// struct crs_node *init_node_abstract(void);
// void destroy_node(struct crs_node *node);
int init_tree(struct crs_tree **const tree);
void destroy_tree(struct crs_tree *const tree);
void resize_tree(struct crs_tree *const tree, struct crs_nodedims *const dims);
int init_tree(struct crs_tree **tree);
void update_tree(struct crs_tree *tree);
void destroy_tree(struct crs_tree *tree);
void bifurcate_window_node(struct crs_node **node, const enum crs_axis axis,
const int invert_axis, const float ratio);
#endif /* DORNE_TREE_H */