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Allow goto offset in hex editor

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d0k3 2016-06-13 23:51:41 +02:00
parent 964327650f
commit 0c42a32d0d
4 changed files with 71 additions and 30 deletions
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6
source/fs.c
View File

@ -425,7 +425,7 @@ bool PathCopyVirtual(const char* destdir, const char* orig) {
char* dname = strrchr(dest, '/');
if (dname == NULL) return false;
dname++;
if (!ShowInputPrompt(dname, 255 - (dname - dest), "Choose new destination name"))
if (!ShowStringPrompt(dname, 255 - (dname - dest), "Choose new destination name"))
return false;
} while (f_stat(dest, NULL) == FR_OK);
} else if (user_select != 2) return (user_select == 3);
@ -487,7 +487,7 @@ bool PathCopyWorker(char* dest, char* orig, bool overwrite, bool move) {
// check if destination is part of or equal origin
while (strncmp(dest, orig, 255) == 0) {
if (!ShowInputPrompt(dname, 255 - (dname - dest), "Destination is equal to origin\nChoose another name?"))
if (!ShowStringPrompt(dname, 255 - (dname - dest), "Destination is equal to origin\nChoose another name?"))
return false;
}
if (strncmp(dest, orig, strnlen(orig, 255)) == 0) {
@ -505,7 +505,7 @@ bool PathCopyWorker(char* dest, char* orig, bool overwrite, bool move) {
u32 user_select = ShowSelectPrompt(3, optionstr, "Destination already exists:\n%s", namestr);
if (user_select == 1) {
do {
if (!ShowInputPrompt(dname, 255 - (dname - dest), "Choose new destination name"))
if (!ShowStringPrompt(dname, 255 - (dname - dest), "Choose new destination name"))
return false;
} while (f_stat(dest, NULL) == FR_OK);
} else if (user_select != 2) return (user_select == 3);

15
source/godmode.c
View File

@ -233,13 +233,13 @@ u32 HexViewer(const char* path) {
}
rows = (dual_screen ? 2 : 1) * SCREEN_HEIGHT / (8 + (2*vpad));
total_shown = rows * cols;
if (offset % cols) offset -= (offset % cols); // fix offset (align to cols)
last_mode = mode;
ClearScreenF(true, dual_screen, COLOR_STD_BG);
if (!dual_screen) memcpy(BOT_SCREEN, bottom_cpy, (SCREEN_HEIGHT * SCREEN_WIDTH_BOT * 3));
}
// fix offset (if required)
if (offset + total_shown > fsize + cols)
if (offset % cols) offset -= (offset % cols); // fix offset (align to cols)
if (offset + total_shown > fsize + cols) // if offset too big
offset = (total_shown > fsize) ? 0 : (fsize + cols - total_shown - (fsize % cols));
// get data, using max data size (if new offset)
if (offset != last_offset) {
@ -305,6 +305,11 @@ u32 HexViewer(const char* path) {
else if ((pad_state & BUTTON_R1) && (pad_state & BUTTON_Y)) mode = (mode + 1) % 4;
else if (pad_state & BUTTON_A) edit_mode = true;
else if (pad_state & BUTTON_B) break;
else if (pad_state & BUTTON_X) {
u64 new_offset = ShowHexPrompt(offset, 8, "Current offset: %08X\nEnter new offset below.",
(unsigned int) offset);
if (new_offset != (u64) -1) offset = new_offset;
}
if (edit_mode && CheckWritePermissions(path)) { // setup edit mode
cursor = 0;
edit_start = ((offset - (offset % 0x200) <= (edit_bsize / 2)) || (fsize < edit_bsize)) ? 0 :
@ -449,7 +454,7 @@ u32 GodMode() {
if (user_select == 1) { // -> show in hex viewer
static bool show_instr = true;
if (show_instr) {
ShowPrompt(false, "Hexeditor Controls:\n \n\x18\x19\x1A\x1B(+R) - Scroll\nR+Y - Switch view\nA - Enter edit mode\nA+\x18\x19\x1A\x1B - Edit value\nB - Exit\n");
ShowPrompt(false, "Hexeditor Controls:\n \n\x18\x19\x1A\x1B(+R) - Scroll\nR+Y - Switch view\nX - Goto offset\nA - Enter edit mode\nA+\x18\x19\x1A\x1B - Edit value\nB - Exit\n");
show_instr = false;
}
HexViewer(curr_entry->path);
@ -648,7 +653,7 @@ u32 GodMode() {
char namestr[20+1];
TruncateString(namestr, curr_entry->name, 20, 12);
snprintf(newname, 255, curr_entry->name);
if (ShowInputPrompt(newname, 256, "Rename %s?\nEnter new name below.", namestr)) {
if (ShowStringPrompt(newname, 256, "Rename %s?\nEnter new name below.", namestr)) {
if (!PathRename(curr_entry->path, newname))
ShowPrompt(false, "Failed renaming path:\n%s", namestr);
else {
@ -660,7 +665,7 @@ u32 GodMode() {
} else if (pad_state & BUTTON_Y) { // create a folder
char dirname[256];
snprintf(dirname, 255, "newdir");
if (ShowInputPrompt(dirname, 256, "Create a new folder here?\nEnter name below.")) {
if (ShowStringPrompt(dirname, 256, "Create a new folder here?\nEnter name below.")) {
if (!DirCreate(current_path, dirname)) {
char namestr[36+1];
TruncateString(namestr, dirname, 36, 12);

73
source/ui.c
View File

@ -318,8 +318,7 @@ u32 ShowSelectPrompt(u32 n, const char** options, const char *format, ...) {
return (sel >= n) ? 0 : sel + 1;
}
bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
const char* alphabet = " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz(){}[]'`^,~!@#$%&0123456789=+-_.";
bool ShowInputPrompt(char* inputstr, u32 max_size, u32 resize, const char* alphabet, const char *format, va_list va) {
const u32 alphabet_size = strnlen(alphabet, 256);
const u32 input_shown = 22;
const u32 fast_scroll = 4;
@ -328,14 +327,14 @@ bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
u32 x, y;
char str[STRBUF_SIZE] = { 0 };
va_list va;
va_start(va, format);
vsnprintf(str, STRBUF_SIZE, format, va);
va_end(va);
// check / fix up the inputstring if required
if (max_size < 2) return false; // catching this, too
if (*inputstr == '\0') snprintf(inputstr, 2, "%c", alphabet[0]); // set the string if it is not set
if ((*inputstr == '\0') || (resize && (strnlen(inputstr, max_size - 1) % resize))) {
memset(inputstr, alphabet[0], resize); // set the string if it is not set or invalid
inputstr[resize] = '\0';
}
str_width = GetDrawStringWidth(str);
str_height = GetDrawStringHeight(str) + (8*10);
@ -345,7 +344,7 @@ bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
ClearScreenF(true, false, COLOR_STD_BG);
DrawStringF(TOP_SCREEN, x, y, COLOR_STD_FONT, COLOR_STD_BG, str);
DrawStringF(TOP_SCREEN, x + 8, y + str_height - 38, COLOR_STD_FONT, COLOR_STD_BG, "R - (\x18\x19) fast scroll\nL - clear string\nX - remove char\nY - insert char");
DrawStringF(TOP_SCREEN, x + 8, y + str_height - 38, COLOR_STD_FONT, COLOR_STD_BG, "R - (\x18\x19) fast scroll\nL - clear data%s", resize ? "\nX - remove char\nY - insert char" : "");
int cursor_a = -1;
u32 cursor_s = 0;
@ -384,22 +383,28 @@ bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
break;
} else if (pad_state & BUTTON_L1) {
cursor_a = 0;
memset(inputstr, alphabet[0], inputstr_size);
if (resize) {
cursor_s = 0;
inputstr[0] = alphabet[0];
inputstr[1] = '\0';
}
} else if (pad_state & BUTTON_X) {
if (inputstr_size > 1) {
memmove(&inputstr[cursor_s], &inputstr[cursor_s + 1], (max_size - 1) - cursor_s);
inputstr_size--;
if (cursor_s >= inputstr_size)
if (resize && (inputstr_size > resize)) {
char* inputfrom = inputstr + cursor_s - (cursor_s % resize) + resize;
char* inputto = inputstr + cursor_s - (cursor_s % resize);
memmove(inputto, inputfrom, max_size - (inputfrom - inputstr));
inputstr_size -= resize;
while (cursor_s >= inputstr_size)
cursor_s--;
cursor_a = -1;
} else inputstr[0] = alphabet[0];
} else if (resize == 1) inputstr[0] = alphabet[0];
} else if (pad_state & BUTTON_Y) {
if (inputstr_size < max_size - 1) {
memmove(&inputstr[cursor_s + 1], &inputstr[cursor_s], (max_size - 1 )- cursor_s);
inputstr_size++;
inputstr[cursor_s] = alphabet[0];
if (resize && (inputstr_size < max_size - resize)) {
char* inputfrom = inputstr + cursor_s - (cursor_s % resize);
char* inputto = inputstr + cursor_s - (cursor_s % resize) + resize;
memmove(inputto, inputfrom, max_size - (inputto - inputstr));
inputstr_size += resize;
memset(inputfrom, alphabet[0], resize);
cursor_a = 0;
}
} else if (pad_state & BUTTON_UP) {
@ -416,8 +421,8 @@ bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
} else if (pad_state & BUTTON_RIGHT) {
if (cursor_s < max_size - 2) cursor_s++;
if (cursor_s >= inputstr_size) {
inputstr[cursor_s] = alphabet[0];
inputstr[cursor_s+1] = '\0';
memset(inputstr + cursor_s, alphabet[0], resize);
inputstr[cursor_s + resize] = '\0';
}
cursor_a = -1;
}
@ -431,6 +436,36 @@ bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...) {
return ret;
}
bool ShowStringPrompt(char* inputstr, u32 max_size, const char *format, ...) {
const char* alphabet = " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz(){}[]'`^,~!@#$%&0123456789=+-_.";
bool ret = false;
va_list va;
va_start(va, format);
ret = ShowInputPrompt(inputstr, max_size, 1, alphabet, format, va);
va_end(va);
return ret;
}
u64 ShowHexPrompt(u64 start_val, u32 n_digits, const char *format, ...) {
const char* alphabet = "0123456789ABCDEF";
char inputstr[16 + 1] = { 0 };
u64 ret = 0;
va_list va;
if (n_digits > 16) n_digits = 16;
snprintf(inputstr, 16 + 1, "%0*llX", (int) n_digits, start_val);
va_start(va, format);
if (ShowInputPrompt(inputstr, n_digits + 1, 0, alphabet, format, va)) {
sscanf(inputstr, "%llX", &ret);
} else ret = (u64) -1;
va_end(va);
return ret;
}
bool ShowProgress(u64 current, u64 total, const char* opstr)
{
static u32 last_prog_width = 0;

3
source/ui.h
View File

@ -70,5 +70,6 @@ void ShowString(const char *format, ...);
bool ShowPrompt(bool ask, const char *format, ...);
bool ShowUnlockSequence(u32 seqlvl, const char *format, ...);
u32 ShowSelectPrompt(u32 n, const char** options, const char *format, ...);
bool ShowInputPrompt(char* inputstr, u32 max_size, const char *format, ...);
bool ShowStringPrompt(char* inputstr, u32 max_size, const char *format, ...);
u64 ShowHexPrompt(u64 start_val, u32 n_digits, const char *format, ...);
bool ShowProgress(u64 current, u64 total, const char* opstr);