mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 14:16:09 -06:00
510 lines
9.6 KiB
C++
510 lines
9.6 KiB
C++
#include "HexView.h"
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namespace Upp {
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inline int FormatHexDigit(int c) {
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return c < 10 ? c + '0' : c - 10 + 'a';
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}
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void FormatHex(char *buffer, int64 number, int n) {
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buffer[n] = '\0';
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while(n) {
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buffer[--n] = FormatHexDigit((byte)number & 0x0f);
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number >>= 4;
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}
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}
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void HexViewInfo::PrintValue(Draw& w, int x, int y, int bytes, bool be)
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{
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dword d = 0;
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Size fsz = GetTextSize("X", font);
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for(int i = 0; i < bytes; i++) {
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int b = data[be ? i : bytes - i - 1];
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if(b < 0) {
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w.DrawText(x, y, String('?', 2 * bytes), font, SColorHighlight);
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x += 2 * bytes * fsz.cx;
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w.DrawText(x, y, "=", font);
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x += fsz.cx;
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w.DrawText(x, y, "?", font, Red);
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return;
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}
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d = (d << 8) | (byte) b;
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}
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w.DrawText(x, y, FormatIntHex(d, 2 * bytes), font, SColorHighlight);
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x += 2 * bytes * fsz.cx;
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w.DrawText(x, y, "=", font);
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x += fsz.cx;
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String txt = FormatUnsigned(d);
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w.DrawText(x, y, txt, font, Red);
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x += GetTextSize(txt, font).cx;
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w.DrawText(x, y, "=", font);
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x += fsz.cx;
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int q = d;
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if(bytes == 1)
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q = (int8) d;
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else
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if(bytes == 2)
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q = (int16) d;
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w.DrawText(x, y, FormatInt(q), font, Magenta);
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}
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void HexViewInfo::Paint(Draw& w)
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{
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Size sz = GetSize();
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w.DrawRect(sz, SColorLtFace);
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if(mode < 1 || empty)
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return;
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Size fsz = GetTextSize("X", font);
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char h[17];
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FormatHex(h, pos, longmode ? 16 : 8);
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int xx = 0;
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w.DrawText(xx, 0, h, font, SColorHighlight);
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xx += (longmode ? 16 : 8) * fsz.cx;
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w.DrawText(xx, 0, "=", font);
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xx += fsz.cx;
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w.DrawText(xx, 0, Format64(pos), font, Red);
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xx += (longmode ? 22 : 12) * fsz.cx;
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int y = 0;
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int x;
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for(int q = 0; q < mode; q++) {
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x = xx;
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if(q < 1)
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PrintValue(w, x, y, 1, q);
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x += 12 * fsz.cx;
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PrintValue(w, x, y, 2, q);
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x += 18 * fsz.cx;
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PrintValue(w, x, y, 4, q);
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x += 32 * fsz.cx;
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y += fsz.cy;
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}
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char sh[80];
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memset(sh, 0, sizeof(sh));
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int i;
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for(i = 0; i < 80; i++) {
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if(data[i] < 0)
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break;
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sh[i] = data[i];
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}
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WString ws = FromUtf8(sh, i);
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w.DrawText(x, 0, ws, font, Cyan, i);
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if(mode < 2)
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return;
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wchar wh[40];
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memset(wh, 0, sizeof(wh));
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for(i = 0; i < 40; i++) {
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if(data[2 * i] < 0 || data[2 * i + 1] < 0)
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break;
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wh[i] = MAKEWORD(data[2 * i], data[2 * i + 1]);
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}
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w.DrawText(x, fsz.cy, wh, font, Cyan, i);
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String txt;
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String ftxt;
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i = 0;
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for(;;) {
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if(data[i] < 0) {
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if((unsigned)i < sizeof(float))
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ftxt = "?";
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txt = "?";
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break;
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}
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if((unsigned)i >= sizeof(double)) {
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double h;
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memcpy(&h, sh, sizeof(double));
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txt = Sprintf("%.8g", h);
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break;
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}
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if(i == sizeof(float)) {
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float h;
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memcpy(&h, sh, sizeof(float));
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ftxt = Sprintf("%.6g", h);
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}
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sh[i] = data[i];
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i++;
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}
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w.DrawText(0, fsz.cy, txt, font, Red);
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w.DrawText(18 * fsz.cx, fsz.cy, ftxt, font, Red);
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}
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void HexViewInfo::SetMode(int _mode)
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{
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mode = _mode;
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Height(mode * GetTextSize("X", CourierZ(12)).cy + 3);
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Show(mode);
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}
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HexViewInfo::HexViewInfo()
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{
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SetMode(0);
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AddFrame(TopSeparatorFrame());
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AddFrame(RightSeparatorFrame());
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font = CourierZ(12);
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}
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int HexView::Byte(int64 adr)
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{
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return 0;
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}
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void HexView::Paint(Draw& w)
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{
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Size sz = GetSize();
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w.DrawRect(sz, SColorPaper);
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if(!total) {
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w.DrawText(Zx(10), Zx(10), "No data", ArialZ(20).Italic(), SRed());
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return;
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}
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int y = 0;
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uint64 adr = sc;
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while(y < sz.cy) {
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char h[17];
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FormatHex(h, adr + start, IsLongMode() ? 16 : 8);
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w.DrawText(0, y, h, font);
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int x = (IsLongMode() ? 17 : 9) * fsz.cx;
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int tx = x + columns * fcx3;
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for(int q = columns; q--;) {
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if(adr >= total)
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return;
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if(adr == cursor) {
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w.DrawRect(x, y, fsz.cx * 2, fsz.cy, LtCyan);
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w.DrawRect(tx, y, fsz.cx, fsz.cy, LtCyan);
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}
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int b = Byte(adr++);
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if(b < 0) {
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w.DrawText(x, y, "??", font, Brown);
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w.DrawText(tx, y, "?", font, Brown);
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}
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else {
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h[0] = FormatHexDigit((b & 0xf0) >> 4);
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h[1] = FormatHexDigit(b & 0x0f);
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h[2] = '\0';
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w.DrawText(x, y, h, font, SColorText);
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Color color = SColorMark;
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switch(b) {
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case '\a': *h = 'a'; break;
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case '\b': *h = 'b'; break;
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case '\t': *h = 't'; break;
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case '\f': *h = 'f'; break;
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case '\r': *h = 'r'; break;
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case '\n': *h = 'n'; break;
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case '\v': *h = 'v'; break;
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case '\0': *h = '0'; break;
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default:
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if(b >= 32) {
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*h = b;
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color = SColorText;
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}
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else {
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*h = '.';
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color = SColorDisabled;
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}
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}
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h[1] = '\0';
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w.DrawText(tx, y, h, charset, font, color);
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}
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tx += fsz.cx;
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x += fcx3;
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}
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y += fsz.cy;
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}
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}
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void HexView::MouseWheel(Point, int zdelta, dword)
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{
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sb.Wheel(zdelta);
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}
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void HexView::SetSb()
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{
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sbm = 0;
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uint64 sz = total;
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while((sz >> sbm) > (1 << 30))
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sbm++;
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sb.SetTotal(int(sz >> sbm) / columns + 2);
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sb.SetPage(int(rows >> sbm));
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sb.Set(int(sc >> sbm) / columns + 1);
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}
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void HexView::Layout()
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{
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Size sz = GetSize();
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columns = fixed ? fixed : max(4, (sz.cx - (IsLongMode() ? 18 : 10) * fsz.cx) / (4 * fsz.cx));
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rows = max(1, sz.cy / fsz.cy);
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bytes = columns * rows;
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SetSb();
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}
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void HexView::SetStart(uint64 start_)
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{
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start = start_;
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Layout();
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SetSb();
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Refresh();
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RefreshInfo();
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}
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void HexView::SetTotal(uint64 _total)
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{
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total = _total;
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Layout();
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SetSb();
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Refresh();
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RefreshInfo();
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}
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void HexView::SetSc(uint64 address)
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{
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sc = minmax(address, start, total);
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SetSb();
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Refresh();
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}
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void HexView::Scroll()
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{
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int64 q = (int64)(int)sb << sbm;
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if(q == 0)
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sc = 0;
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else
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sc = (q - 1) * columns + sc % columns;
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Refresh();
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}
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void HexView::RefreshInfo()
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{
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if(total) {
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info.SetPos(cursor + start, IsLongMode());
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for(int i = 0; i < 80; i++)
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info.Set(i, Byte(cursor + i));
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}
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else
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info.SetEmpty();
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}
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void HexView::SetCursor(uint64 _cursor)
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{
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cursor = _cursor;
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if(cursor > total)
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cursor = total - 1;
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int q = int(sc % columns);
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if(cursor >= sc + bytes)
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sc = cursor - bytes + columns;
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if(cursor < sc) {
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sc = cursor;
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}
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if(sc > (uint64)q)
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sc = (sc - q) / columns * columns + q;
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if(sc >= total)
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sc = total - 1;
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SetSb();
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Refresh();
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RefreshInfo();
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}
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void HexView::LeftDown(Point p, dword)
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{
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int rowi = p.y / fsz.cy;
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int x = (IsLongMode() ? 17 : 9) * fsz.cx;
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int tx = x + columns * fcx3;
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if(p.x >= x && p.x < tx) {
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x = p.x - x;
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int q = x / fcx3;
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if(x - q * fcx3 < 2 * fsz.cx && q < columns) {
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uint64 c = sc + rowi * columns + q;
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if(c < total)
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SetCursor(c);
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}
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}
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else
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if(p.x >= tx) {
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int q = (p.x - tx) / fsz.cx;
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if(q >= 0 && q < columns) {
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uint64 c = sc + rowi * columns + q;
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if(c < total)
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SetCursor(c);
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}
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}
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SetFocus();
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}
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bool HexView::Key(dword key, int)
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{
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int pg = max(columns, bytes - columns);
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int q = int(sc % columns);
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switch(key) {
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case K_LEFT:
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SetCursor(cursor - 1);
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return true;
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case K_RIGHT:
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SetCursor(cursor + 1);
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return true;
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case K_UP:
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SetCursor(cursor - columns);
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return true;
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case K_DOWN:
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SetCursor(cursor + columns);
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return true;
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case K_PAGEUP:
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SetSc(sc - pg);
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SetCursor(cursor - pg);
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return true;
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case K_PAGEDOWN:
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SetSc(sc + pg);
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SetCursor(cursor + pg);
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return true;
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case K_CTRL_LEFT:
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SetSc(sc - 1);
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break;
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case K_CTRL_RIGHT:
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SetSc(sc + 1);
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break;
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case K_CTRL_UP:
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SetSc(sc - columns);
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break;
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case K_CTRL_DOWN:
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SetSc(sc + columns);
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break;
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case K_HOME:
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SetCursor((cursor - q) / columns * columns + q);
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break;
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case K_END:
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SetCursor((cursor - q) / columns * columns + q + columns - 1);
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break;
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case K_CTRL_HOME:
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case K_CTRL_PAGEUP:
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SetCursor(0);
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break;
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case K_CTRL_END:
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case K_CTRL_PAGEDOWN:
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SetCursor(total - 1);
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break;
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}
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return MenuBar::Scan(WhenBar, key);
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}
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void HexView::SetColumns(int x)
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{
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FixedColumns(x);
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}
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void HexView::SetCharset(int chr)
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{
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Charset(chr);
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}
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void HexView::StdGoto(const String& s)
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{
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CParser p(s);
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int n = 10;
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if(p.Char2('0', 'x') || p.Char('$') || p.Char('#'))
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n = 16;
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if(p.IsNumber(n)) {
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uint64 a = p.ReadNumber(n);
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if(a < total) {
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SetCursor(a);
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SetSc(a);
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return;
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}
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}
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Exclamation("Invalid position!");
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}
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void HexView::Goto()
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{
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if(go.Execute() == IDOK)
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WhenGoto((String)~go.text);
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}
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void HexView::ColumnsMenu(Bar& bar)
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{
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bar.Add("Auto", THISBACK1(SetColumns, 0))
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.Radio(fixed == 0);
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bar.Add("8", THISBACK1(SetColumns, 8))
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.Radio(fixed == 8);
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bar.Add("16", THISBACK1(SetColumns, 16))
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.Radio(fixed == 16);
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bar.Add("32", THISBACK1(SetColumns, 32))
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.Radio(fixed == 32);
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}
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void HexView::SetInfo(int m)
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{
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info.SetMode(m);
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}
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void HexView::InfoMenu(Bar& bar)
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{
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bar.Add("None", THISBACK1(SetInfo, 0))
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.Check(info.GetMode() == 0);
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bar.Add("Standard", THISBACK1(SetInfo, 1))
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.Check(info.GetMode() == 1);
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bar.Add("Extended", THISBACK1(SetInfo, 2))
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.Check(info.GetMode() == 2);
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}
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void HexView::CharsetMenu(Bar& bar)
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{
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for(int i = 1; i < CharsetCount(); i++)
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bar.Add(CharsetName(i), THISBACK1(SetCharset, i))
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.Radio(charset == i);
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}
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void HexView::StdMenu(Bar& bar)
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{
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bar.Add("Go to..", [=] { WhenGotoDlg(); })
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.Key(K_CTRL_G);
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bar.Add("Columns", THISBACK(ColumnsMenu));
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bar.Add("Charset", THISBACK(CharsetMenu));
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bar.Add("Position info", THISBACK(InfoMenu));
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}
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void HexView::RightDown(Point p, dword w)
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{
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LeftDown(p, w);
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MenuBar::Execute(WhenBar);
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}
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HexView& HexView::SetFont(Font fnt)
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{
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font = fnt;
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fsz = GetTextSize("X", font);
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fcx3 = 3 * fsz.cx;
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Layout();
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Refresh();
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SetSb();
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return *this;
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}
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void HexView::SerializeSettings(Stream& s)
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{
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int version = 0;
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s / version;
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s / fixed;
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s % charset;
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int mode = info.GetMode();
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s / mode;
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info.SetMode(mode);
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go.text.SerializeList(s);
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}
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HexView::HexView()
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{
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SetFont(CourierZ(12));
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BackPaint();
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charset = CHARSET_WIN1252;
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sb <<= THISBACK(Scroll);
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SetFrame(InsetFrame());
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AddFrame(sb);
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cursor = sc = 0;
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total = 0;
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fixed = 0;
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SetSc(0);
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SetCursor(0);
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AddFrame(info);
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info.SetMode(1);
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WhenBar = THISBACK(StdMenu);
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CtrlLayoutOKCancel(go, "Go to");
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WhenGoto = THISBACK(StdGoto);
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WhenGotoDlg = THISBACK(Goto);
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}
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}
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