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Use 16 column hex editor when font small enough

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This commit is contained in:
Pk11 2021-08-12 18:05:15 -05:00
parent 363ee012e2
commit 19be8dd77a
1 changed files with 43 additions and 31 deletions
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74
arm9/source/hexEditor.cpp
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@ -3,6 +3,7 @@
#include "date.h"
#include "file_browse.h"
#include "font.h"
#include "screenshot.h"
#include "tonccpy.h"
#include <algorithm>
@ -234,23 +235,26 @@ void hexEditor(const char *path, int drive) {
u32 fileSize = ftell(file);
fseek(file, 0, SEEK_SET);
u8 maxLines = std::min((u32)ENTRIES_PER_SCREEN, fileSize / 8 + (fileSize % 8 != 0));
u32 maxSize = ((fileSize - 8 * maxLines) & ~7) + (fileSize & 7 ? 8 : 0);
u8 bytesPerLine = font->width() < 5 ? 16 : 8;
u8 maxLines = std::min((u32)ENTRIES_PER_SCREEN, fileSize / bytesPerLine + (fileSize % bytesPerLine != 0));
u32 maxSize = ((fileSize - bytesPerLine * maxLines) & ~(bytesPerLine - 1)) + (fileSize & (bytesPerLine - 1) ? bytesPerLine : 0);
u16 pressed = 0, held = 0;
u32 offset = 0, cursorPosition = 0, mode = 0;
char data[8 * maxLines];
char data[bytesPerLine * maxLines];
fseek(file, offset, SEEK_SET);
fread(data, 1, sizeof(data), file);
while(1) {
font->clear(false);
font->printf(4, 0, false, Alignment::left, Palette::blackGreen, "%*c", SCREEN_COLS - 4, ' ');
font->printf(0, 0, false, Alignment::left, Palette::blackGreen, "%*c", SCREEN_COLS, ' ');
font->print(0, 0, false, "Hex Editor", Alignment::center, Palette::blackGreen);
font->printf(0, 0, false, Alignment::left, Palette::blackBlue, "%04lX", offset >> 0x10);
if(bytesPerLine < 16)
font->printf(0, 0, false, Alignment::left, Palette::blackBlue, "%04lX", offset >> 0x10);
if(mode < 2) {
fseek(file, offset, SEEK_SET);
@ -259,22 +263,26 @@ void hexEditor(const char *path, int drive) {
}
for(u32 i = 0; i < maxLines; i++) {
font->printf(0, i + 1, false, Alignment::left, Palette::blue, "%04lX", (offset + i * 8) & 0xFFFF);
for(int j = 0; j < 4; j++)
font->printf(5 + (j * 2), i + 1, false, Alignment::left, (mode > 0 && i * 8 + j == cursorPosition) ? (mode > 1 ? Palette::blackRed : Palette::red) : (offset + i * 8 + j >= fileSize ? Palette::gray : (j % 2 ? Palette::greenAlt : Palette::green)), "%02X", data[i * 8 + j]);
for(int j = 0; j < 4; j++)
font->printf(14 + (j * 2), i + 1, false, Alignment::left, (mode > 0 && i * 8 + 4 + j == cursorPosition) ? (mode > 1 ? Palette::blackRed : Palette::red) : (offset + i * 8 + 4 + j >= fileSize ? Palette::gray : (j % 2 ? Palette::greenAlt : Palette::green)), "%02X", data[i * 8 + 4 + j]);
char line[9] = {0};
for(int j = 0; j < 8; j++) {
char c = data[i * 8 + j];
if(bytesPerLine < 16)
font->printf(0, i + 1, false, Alignment::left, Palette::blue, "%04lX", (offset + i * bytesPerLine) & 0xFFFF);
else
font->printf(0, i + 1, false, Alignment::left, Palette::blue, "%08lX", offset + i * bytesPerLine);
for(int group = 0; group < bytesPerLine / 4; group++) {
for(int j = 0; j < 4; j++)
font->printf(4 * (bytesPerLine / 8) + 1 + (group * 9) + (j * 2), i + 1, false, Alignment::left, (mode > 0 && i * bytesPerLine + (group * 4) + j == cursorPosition) ? (mode > 1 ? Palette::blackRed : Palette::red) : (offset + i * bytesPerLine + (group * 4) + j >= fileSize ? Palette::gray : (j % 2 ? Palette::greenAlt : Palette::green)), "%02X", data[i * bytesPerLine + group * 4 + j]);
}
char line[bytesPerLine + 1] = {0};
for(int j = 0; j < bytesPerLine; j++) {
char c = data[i * bytesPerLine + j];
if(c < ' ' || c > 127)
line[j] = '.';
else
line[j] = c;
}
font->print(23, i + 1, false, line);
if(mode > 0 && cursorPosition / 8 == i) {
font->printf(23 + cursorPosition % 8, i + 1, false, Alignment::left, mode > 1 ? Palette::blackRed : Palette::red, "%c", line[cursorPosition % 8]);
font->print(4 * (bytesPerLine / 8) + 1 + bytesPerLine / 4 * 9, i + 1, false, line);
if(mode > 0 && cursorPosition / bytesPerLine == i) {
font->printf(4 * (bytesPerLine / 8) + 1 + bytesPerLine / 4 * 9 + cursorPosition % bytesPerLine, i + 1, false, Alignment::left, mode > 1 ? Palette::blackRed : Palette::red, "%c", line[cursorPosition % bytesPerLine]);
}
}
@ -303,15 +311,15 @@ void hexEditor(const char *path, int drive) {
offset = std::min(offset + 0x10000, maxSize);
}
} else if(held & KEY_UP) {
if(offset >= 8)
offset -= 8;
if(offset >= bytesPerLine)
offset -= bytesPerLine;
} else if(held & KEY_DOWN) {
if(offset < fileSize - 8 * maxLines && fileSize > 8 * maxLines)
offset += 8;
if(offset < fileSize - bytesPerLine * maxLines && fileSize > bytesPerLine * maxLines)
offset += bytesPerLine;
} else if(held & KEY_LEFT) {
offset = std::max((s64)offset - 8 * maxLines, 0ll);
offset = std::max((s64)offset - bytesPerLine * maxLines, 0ll);
} else if(held & KEY_RIGHT) {
offset = std::min(offset + 8 * maxLines, maxSize);
offset = std::min(offset + bytesPerLine * maxLines, maxSize);
} else if(pressed & KEY_A) {
mode = 1;
cursorPosition = std::min(cursorPosition, fileSize - offset - 1);
@ -324,21 +332,21 @@ void hexEditor(const char *path, int drive) {
}
} else if(mode == 1) {
if(held & KEY_UP) {
if(cursorPosition >= 8)
cursorPosition -= 8;
else if(offset >= 8)
offset -= 8;
if(cursorPosition >= bytesPerLine)
cursorPosition -= bytesPerLine;
else if(offset >= bytesPerLine)
offset -= bytesPerLine;
} else if(held & KEY_DOWN) {
if(cursorPosition < 8u * (maxLines - 1))
cursorPosition += 8;
else if(offset < fileSize - 8 * maxLines && fileSize > 8 * maxLines)
offset += 8;
if((int)cursorPosition < bytesPerLine * (maxLines - 1))
cursorPosition += bytesPerLine;
else if(offset < fileSize - bytesPerLine * maxLines && fileSize > bytesPerLine * maxLines)
offset += bytesPerLine;
cursorPosition = std::min(cursorPosition, fileSize - offset - 1);
} else if(held & KEY_LEFT) {
if(cursorPosition > 0)
cursorPosition--;
} else if(held & KEY_RIGHT) {
if(cursorPosition < 8u * maxLines - 1)
if((int)cursorPosition < bytesPerLine * maxLines - 1)
cursorPosition = std::min(cursorPosition + 1, fileSize - offset - 1);
} else if(pressed & KEY_A) {
if(drive < 4) {
@ -366,6 +374,10 @@ void hexEditor(const char *path, int drive) {
fwrite(data + cursorPosition, 1, 1, file);
}
}
if(keysHeld() & KEY_R && pressed & KEY_L) {
screenshot();
}
}
fclose(file);