radare2/libr/core/panels.c
Jonathan Neuschäfer 861f185c23 V!: don't hang on EOF
2015-03-23 15:20:17 +01:00

504 lines
11 KiB
C

/* Copyright radare2 2014-2015 - Author: pancake */
// pls move the typedefs into roons and rename it -> RConsPanel
#include <r_core.h>
typedef struct {
int x;
int y;
int w;
int h;
int depth;
int type;
ut64 addr;
char *cmd;
char *text;
} Panel;
#define PANEL_TYPE_FRAME 0
#define PANEL_TYPE_DIALOG 1
#define PANEL_TYPE_FLOAT 2
static int COLW = 40;
static RCore *_core;
static int n_panels = 0;
static void reloadPanels(RCore *core) ;
static int menu_pos = 0;
#define LIMIT 256
struct {
int panels[LIMIT];
int size;
} ostack;
static RConsCanvas *can;
static Panel *panels = NULL;
static int callgraph = 0;
static int instep = 0;
static int menu_x = 0;
static int menu_y = 0;
static const char *menus[] = {
"File", "Edit", "View", "Tools", "Debug", "Analyze", "Help",
NULL
};
static const char *menus_File[] = {
"New", "Open", "Close", "Info", "Quit",
NULL
};
static const char *menus_Edit[] = {
"Copy", "Paste", "Insert", "Assemble", "Fill",
NULL
};
static const char *menus_View[] = {
"Hexdump", "Disassembly", "Entropy",
NULL
};
static const char *menus_Tools[] = {
"Assembler", "Calculator", "Shell",
NULL
};
static const char *menus_Debug[] = {
"Registers", "Breakpoints", "Watchpoints", "Maps",
"Step", "Step Over", "Continue", "Cont until.",
NULL
};
static const char *menus_Analyze[] = {
"Function", "Program", "Calls", "Options",
NULL
};
static const char *menus_Help[] = {
"Commands", "License", "About",
NULL
};
static const char **menus_sub[] = {
menus_File,
menus_Edit,
menus_View,
menus_Tools,
menus_Debug,
menus_Analyze,
menus_Help,
NULL
};
// TODO: handle mouse wheel
static int curnode = 0;
#define G(x,y) r_cons_canvas_gotoxy (can, x, y)
#define W(x) r_cons_canvas_write (can, x)
#define B(x,y,w,h) r_cons_canvas_box(can, x,y,w,h,NULL)
#define B1(x,y,w,h) r_cons_canvas_box(can, x,y,w,h,Color_BLUE)
#define B2(x,y,w,h) r_cons_canvas_box(can, x,y,w,h,Color_MAGENTA)
#define L(x,y,x2,y2) r_cons_canvas_line(can, x,y,x2,y2,0)
#define L1(x,y,x2,y2) r_cons_canvas_line(can, x,y,x2,y2,1)
#define L2(x,y,x2,y2) r_cons_canvas_line(can, x,y,x2,y2,2)
#define F(x,y,x2,y2,c) r_cons_canvas_fill(can, x,y,x2,y2,c,0)
static void Panel_print(RConsCanvas *can, Panel *n, int cur) {
char title[128];
int delta_x = 0;
int delta_y = 0;
if (!can)
return;
// clear
F(n->x, n->y, n->w, n->h, ' ');
if (n->type == PANEL_TYPE_FRAME) {
if (cur) {
//F (n->x,n->y, n->w, n->h, '.');
snprintf (title, sizeof (title)-1,
" [ %s ] ", n->text);
} else {
snprintf (title, sizeof (title)-1,
" %s ", ""); //n->text);
}
if (G (n->x+1, n->y+1))
W (title); // delta_x
}
(void)G (n->x+2+delta_x, n->y+2);
//if (
// TODO: only refresh if n->refresh is set
// TODO: temporary crop depending on out of screen offsets
if (n->cmd && *n->cmd) {
char *foo = r_core_cmd_strf (_core, "%s", n->cmd);
char *text = r_str_crop (foo,
delta_x, delta_y, n->w, n->h);
if (text) {
W (text);
free (text);
} else {
W (n->text);
}
free (foo);
} else {
char *text = r_str_crop (n->text,
delta_x, delta_y, n->w+5, n->h);
if (text) {
W (text);
free (text);
} else {
W (n->text);
}
}
if (G (n->x+1, n->y+1))
W (title);
// TODO: check if node is traced or not and hsow proper color
// This info must be stored inside Panel* from RCore*
if (cur) {
B1 (n->x, n->y, n->w, n->h);
} else {
B (n->x, n->y, n->w, n->h);
}
}
static void Layout_run(Panel *panels) {
int h, w = r_cons_get_size (&h);
int i, j;
int colpos = w-COLW;
can->sx = 0;
can->sy = 0;
n_panels = 0;
for (i=0; panels[i].text; i++) {
if (panels[i].type == PANEL_TYPE_FRAME)
n_panels++;
}
for (i=j=0; panels[i].text; i++) {
switch (panels[i].type) {
case PANEL_TYPE_FLOAT:
panels[i].w = r_str_bounds (
panels[i].text,
&panels[i].h);
panels[i].h += 4;
break;
case PANEL_TYPE_FRAME:
if (j == 0) {
panels[i].x = 0;
panels[i].y = 1;
if (panels[j+1].text) {
panels[i].w = colpos;
} else {
panels[i].w = w;
}
panels[i].h = h-1;
} else {
int ph = ((h-1)/(n_panels-1));
panels[i].x = colpos;
panels[i].y = 1 + (ph*(j-1));
panels[i].w = w-colpos-1;
if (panels[i].w<0)
panels[i].w = 0;
panels[i].h = ph;
if (!panels[i+1].text) {
panels[i].h = h - panels[i].y;
}
}
j++;
}
}
}
static int bbPanels (RCore *core, Panel **n) {
int i;
Panel *panels = calloc (sizeof (Panel), LIMIT); //(r_list_length (fcn->bbs)+1));
if (!panels)
return 0;
i = 0;
panels[i].text = strdup ("");
panels[i].addr = core->offset;
panels[i].type = PANEL_TYPE_FLOAT;
menu_pos = i;
i++;
panels[i].text = strdup ("Disassembly");
panels[i].cmd = r_str_newf ("pd $r-2");
panels[i].addr = core->offset;
panels[i].type = PANEL_TYPE_FRAME;
i++;
panels[i].text = strdup ("Symbols");
panels[i].cmd = strdup ("isq");
panels[i].addr = core->offset;
panels[i].type = PANEL_TYPE_FRAME;
i++;
n_panels = 2;
free (*n);
*n = panels;
panels[i].text = NULL;
Layout_run (panels);
return i;
}
// damn singletons.. there should be only one screen and therefor
// only one visual instance of the graph view. refactoring this
// into a struct makes the code to reference pointers unnecesarily
// we can look for a non-global solution here in the future if
// necessary
static void r_core_panels_refresh (RCore *core) {
char title[128];
int i, j, h, w = r_cons_get_size (&h);
if (instep && core->io->debug) {
r_core_cmd0 (core, "sr pc");
}
r_cons_clear00 ();
if (!can) {
return;
}
r_cons_canvas_resize (can, w, h);
r_cons_canvas_clear (can);
if (panels) {
if (menu_y>0) {
panels[menu_pos].x = menu_x * 6;
} else {
panels[menu_pos].x = w;
}
panels[menu_pos].y = 1;
free (panels[menu_pos].text);
panels[menu_pos].text = malloc(1024); //r_str_newf ("%d", menu_y);
panels[menu_pos].text[0] = 0;
int maxsub = 0;
for (i=0; menus_sub[i]; i++) { maxsub = i; }
if (menu_x >= 0 && menu_x <maxsub && menus_sub[menu_x]) {
for (j = 0; menus_sub[menu_x][j]; j++) {
if (menu_y-1 == j) {
strcat (panels[menu_pos].text, "> ");
} else {
strcat (panels[menu_pos].text, " ");
}
strcat (panels[menu_pos].text,
menus_sub[menu_x][j]);
strcat (panels[menu_pos].text, " \n");
}
}
for (i=0; panels[i].text; i++) {
if (i != curnode) {
Panel_print (can, &panels[i], i==curnode);
}
}
}
if (menu_y) {
curnode = menu_pos;
}
// redraw current node to make it appear on top
if (curnode >= 0) {
Panel_print (can, &panels[curnode], 1);
}
Panel_print (can, &panels[menu_pos], menu_y);
(void)G (-can->sx, -can->sy);
char str[128];
title[0] = 0;
for (i=0; menus[i]; i++) {
if (menu_x == i) {
snprintf (str, sizeof (title)-1, "[%s]", menus[i]);
} else {
snprintf (str, sizeof (title)-1, " %s ", menus[i]);
}
strcat (title, str);
}
W (title);
snprintf (title, sizeof (title)-1,
"[0x%08"PFMT64x"]", core->offset);
(void)G (-can->sx + w-strlen (title)-1, -can->sy);
W (title);
r_cons_canvas_print (can);
r_cons_flush ();
}
static void reloadPanels(RCore *core) {
//W("HELLO WORLD");
Layout_run (panels);
}
R_API int r_core_visual_panels(RCore *core) {
#define OS_INIT() ostack.size = 0; ostack.panels[0] = 0;
#define OS_PUSH(x) if (ostack.size<LIMIT) {ostack.panels[++ostack.size]=x;}
#define OS_POP() ((ostack.size>0)? ostack.panels[--ostack.size]:0)
int okey, key, wheel;
int w, h;
int asm_comments = 0;
int asm_bytes = 0;
n_panels = 0;
panels = NULL;
callgraph = 0;
_core = core;
OS_INIT();
w = r_cons_get_size (&h);
can = r_cons_canvas_new (w-1, h-1);
can->linemode = 1;
can->color = r_config_get_i (core->config, "scr.color");
// disable colors in disasm because canvas doesnt supports ansi text yet
r_config_set_i (core->config, "scr.color", 0);
//can->color = 0;
if (!can) {
eprintf ("Cannot create RCons.canvas context\n");
return R_FALSE;
}
n_panels = bbPanels (core, &panels);
if (!panels) {
free (can);
return R_FALSE;
}
reloadPanels (core);
asm_comments = r_config_get_i (core->config, "asm.comments");
r_config_set_i (core->config, "asm.comments", 0);
asm_bytes = r_config_get_i (core->config, "asm.bytes");
r_config_set_i (core->config, "asm.bytes", 0);
repeat:
core->cons->event_data = core;
core->cons->event_resize = \
(RConsEvent)r_core_panels_refresh;
w = r_cons_get_size (&h);
Layout_run (panels);
r_core_panels_refresh (core);
wheel = r_config_get_i (core->config, "scr.wheel");
if (wheel)
r_cons_enable_mouse (R_TRUE);
// r_core_graph_inputhandle()
okey = r_cons_readchar ();
key = r_cons_arrow_to_hjkl (okey);
switch (key) {
case ' ':
case '\n':
if (menu_y) {
const char *action = menus_sub[menu_x][menu_y-1];
eprintf ("ACTION %s\n", action);
if (strstr (action, "New")) {
int i;
// add new panel for testing
for (i=0; panels[i].text; i++) {
// find last panel
}
panels[i].text = strdup ("Test");
panels[i].cmd = r_str_newf ("pxW $r-2");
panels[i].addr = core->offset;
panels[i].type = PANEL_TYPE_FRAME;
i++;
n_panels++;
panels[i].text = NULL;
}
if (strstr (action, "Quit")) {
goto beach;
}
}
break;
case '?':
r_cons_clear00 ();
r_cons_printf ("Visual Ascii Art Panels:\n"
" ! run r2048 game\n"
" . - center graph to the current node\n"
" : - run r2 command in prompt\n"
" hl - toggle scr.color\n"
" HL - move vertical column split\n"
" JK - select prev/next panels\n"
" jk - scroll/select menu\n"
" q - quit, back to visual mode\n"
);
r_cons_flush ();
r_cons_any_key (NULL);
break;
case ':':
core->vmode = R_FALSE;
r_core_visual_prompt_input (core);
core->vmode = R_TRUE;
break;
case 'C':
can->color = !!!can->color; //WTF
//r_config_swap (core->config, "scr.color");
// refresh graph
// reloadPanels (core);
break;
case '!':
r_cons_2048 ();
break;
case 'j':
if (panels[curnode].type == PANEL_TYPE_FLOAT) {
if (menus_sub[menu_x][menu_y])
menu_y ++;
}
break;
case 'k':
if (panels[curnode].type == PANEL_TYPE_FLOAT) {
menu_y --;
if (menu_y<0)
menu_y = 0;
}
break;
case 'J':
curnode++;
if (!panels[curnode].text) {
curnode--;
}
break;
case 'K':
curnode--;
if (curnode<0)
curnode = 0;
break;
case 'H':
COLW += 4;
break;
case 'L':
COLW -= 4;
if (COLW<0)
COLW=0;
break;
case 'h':
if (menu_x) {
menu_x --;
menu_y = menu_y?1:0;
}
break;
case 'l':
if (menus[menu_x + 1]) {
menu_x ++;
menu_y = menu_y?1:0;
}
break;
case 'q':
case -1: // EOF
goto beach;
case 27: // ESC
if (r_cons_readchar () == 91) {
if (r_cons_readchar () == 90) {
}
}
break;
default:
//eprintf ("Key %d\n", key);
//sleep (1);
break;
}
goto repeat;
beach:
free (panels);
free (can);
r_config_set_i (core->config, "asm.comments", asm_comments);
r_config_set_i (core->config, "asm.bytes", asm_bytes);
return R_TRUE;
}