mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-15 14:16:07 -06:00
469 lines
11 KiB
C++
469 lines
11 KiB
C++
#include "TextDiffCtrl.h"
|
|
|
|
namespace Upp {
|
|
|
|
|
|
inline Color HistoryBg() { return Color(255, 255, 0); }
|
|
|
|
TextCompareCtrl::TextCompareCtrl()
|
|
{
|
|
letter = Size(1, 1);
|
|
number_width = 0;
|
|
number_yshift = 0;
|
|
number_bg = WhiteGray();
|
|
SetFrame(FieldFrame());
|
|
AddFrame(scroll);
|
|
SetFont(CourierZ(10), CourierZ(10));
|
|
scroll.NoAutoHide();
|
|
scroll.WhenScroll = THISBACK(SelfScroll);
|
|
maxwidth = 0;
|
|
tabsize = 4;
|
|
gutter_width = 0;
|
|
gutter_bg = Color(151, 190, 239);
|
|
gutter_fg = SGreen;
|
|
cursor = anchor = Null;
|
|
gutter_capture = false;
|
|
show_line_number = true;
|
|
show_white_space = true;
|
|
show_diff_highlight = true;
|
|
change_paper_color = true;
|
|
}
|
|
|
|
int TextCompareCtrl::GetLineNo(int y, int& ii)
|
|
{
|
|
ii = scroll.Get().y + y / letter.cy;
|
|
return ii >= 0 && ii < lines.GetCount() ? lines[ii].number : Null;
|
|
}
|
|
|
|
void TextCompareCtrl::DoSelection(int y, bool shift)
|
|
{
|
|
int ii;
|
|
int i = GetLineNo(y, ii);
|
|
if(!IsNull(i)) {
|
|
if(shift)
|
|
cursor = i;
|
|
else
|
|
cursor = anchor = i;
|
|
Refresh();
|
|
scroll.ScrollIntoY(ii);
|
|
}
|
|
}
|
|
|
|
void TextCompareCtrl::LeftDown(Point pt, dword keyflags)
|
|
{
|
|
Size sz = GetSize();
|
|
if(pt.x > sz.cx - gutter_width || HasCapture() && gutter_capture) {
|
|
if(!HasCapture())
|
|
SetCapture();
|
|
int line = (pt.y * lines.GetCount()) / sz.cy;
|
|
int page_lines = sz.cy / letter.cy;
|
|
scroll.SetY(line - page_lines / 2);
|
|
gutter_capture = true;
|
|
}
|
|
else {
|
|
DoSelection(pt.y, keyflags & K_SHIFT);
|
|
SetCapture();
|
|
gutter_capture = false;
|
|
}
|
|
SetWantFocus();
|
|
}
|
|
|
|
void TextCompareCtrl::LeftDouble(Point pt, dword keyflags)
|
|
{
|
|
int ii;
|
|
int i = GetLineNo(pt.y, ii);
|
|
if(!IsNull(i))
|
|
WhenLeftDouble(i - 1, ii);
|
|
}
|
|
|
|
void TextCompareCtrl::MouseMove(Point pt, dword flags)
|
|
{
|
|
if(HasCapture()) {
|
|
if(gutter_capture)
|
|
LeftDown(pt, flags);
|
|
else
|
|
DoSelection(pt.y, true);
|
|
}
|
|
}
|
|
|
|
void TextCompareCtrl::LeftUp(Point pt, dword keyflags)
|
|
{
|
|
ReleaseCapture();
|
|
}
|
|
|
|
void TextCompareCtrl::Copy()
|
|
{
|
|
int sell, selh;
|
|
if(GetSelection(sell, selh)) {
|
|
String clip;
|
|
for(int i = 0; i < lines.GetCount(); i++) {
|
|
const Line& l = lines[i];
|
|
if(l.number >= sell && l.number <= selh) {
|
|
clip << l.text;
|
|
#ifdef PLATFORM_WIN32
|
|
clip << "\r\n";
|
|
#else
|
|
clip << "\n";
|
|
#endif
|
|
}
|
|
}
|
|
ClearClipboard();
|
|
AppendClipboardText(clip);
|
|
}
|
|
}
|
|
|
|
void TextCompareCtrl::RightDown(Point p, dword keyflags)
|
|
{
|
|
MenuBar b;
|
|
b.Add(!IsNull(cursor), t_("Copy"), CtrlImg::copy(), THISBACK(Copy)).Key(K_CTRL_C);
|
|
b.Execute();
|
|
}
|
|
|
|
bool TextCompareCtrl::Key(dword key, int repcnt)
|
|
{
|
|
Point pos = scroll, newpos = pos, page = scroll.GetPage();
|
|
switch(key) {
|
|
case K_LEFT: newpos.x--; break;
|
|
case K_RIGHT: newpos.x++; break;
|
|
case K_CTRL_LEFT: newpos.x -= page.x >> 1; break;
|
|
case K_CTRL_RIGHT: newpos.x += page.x >> 1; break;
|
|
case K_UP: newpos.y--; break;
|
|
case K_DOWN: newpos.y++; break;
|
|
case K_PAGEUP: newpos.y -= page.y; break;
|
|
case K_PAGEDOWN: newpos.y += page.y; break;
|
|
case K_HOME: newpos.x = 0; break;
|
|
case K_END: newpos.x = maxwidth - page.x; break;
|
|
case K_CTRL_HOME: newpos.y = 0; break;
|
|
case K_CTRL_END: newpos.y = lines.GetCount() - page.y; break;
|
|
case K_CTRL_C:
|
|
Copy();
|
|
break;
|
|
case K_F3: {
|
|
bool found = false;
|
|
int i = max(pos.y + 2, 0);
|
|
while(i < lines.GetCount() && lines[i].level)
|
|
i++;
|
|
while(i < lines.GetCount())
|
|
if(lines[i++].level) {
|
|
newpos.y = i - 2;
|
|
found = true;
|
|
break;
|
|
}
|
|
if(!found) {
|
|
BeepExclamation();
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
case K_SHIFT_F3: {
|
|
bool found = false;
|
|
int i = min(pos.y, lines.GetCount() - 1);
|
|
while(i > 0 && lines[i].level)
|
|
i--;
|
|
while(i >= 0)
|
|
if(lines[i--].level) {
|
|
newpos.y = i;
|
|
found = true;
|
|
break;
|
|
}
|
|
if(!found) {
|
|
BeepExclamation();
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
default: return false;
|
|
}
|
|
if(newpos != pos)
|
|
scroll.Set(newpos);
|
|
return true;
|
|
}
|
|
|
|
void TextCompareCtrl::Paint(Draw& draw)
|
|
{
|
|
Point sc = scroll.Get();
|
|
Size offset = (Size)sc * letter;
|
|
Size sz = GetSize();
|
|
|
|
int lcnt = lines.GetCount();
|
|
int first_line = offset.cy / letter.cy;
|
|
int last_line = min(idivceil(sz.cy + offset.cy, letter.cy), lines.GetCount() - 1);
|
|
|
|
if(gutter_width > 0)
|
|
{
|
|
int t = 0, b = 0;
|
|
int gx = sz.cx - gutter_width;
|
|
for(int i = 0; i < lcnt; i++)
|
|
if(lines[i].level > 1) {
|
|
b = idivceil(sz.cy * i, lcnt);
|
|
if(b >= t) {
|
|
draw.DrawRect(gx, t, gutter_width, b - t, gutter_bg);
|
|
draw.DrawRect(gx, b, gutter_width, 1, gutter_fg);
|
|
t = b + 1;
|
|
}
|
|
}
|
|
|
|
draw.DrawRect(gx, t, gutter_width, sz.cy - t, gutter_bg);
|
|
|
|
int total = letter.cy * lcnt;
|
|
if(total <= 0)
|
|
total = 1;
|
|
int page_height = (sz.cy * sz.cy) / total;
|
|
int ty = max(0, (sz.cy * offset.cy) / total);
|
|
int by = min(sz.cy, ty + page_height);
|
|
draw.DrawRect(gx, ty, gutter_width, 2, Black);
|
|
draw.DrawRect(gx, by - 2, gutter_width, 2, Black);
|
|
draw.DrawRect(gx, ty, 2, by - ty, Black);
|
|
draw.DrawRect(gx + gutter_width - 2, ty, 2, by - ty, Black);
|
|
}
|
|
|
|
int n_width = show_line_number ? number_width : 0;
|
|
if(show_line_number) {
|
|
for(int i = first_line; i <= last_line; i++) {
|
|
const Line& l = lines[i];
|
|
int y = i * letter.cy - offset.cy;
|
|
Color paper = IsNull(l.number) ? LtGray() : l.diff ? l.left ? Blend(LtRed(), White(), 230) : Blend(LtGreen(), White(), 230) : SColorPaper();
|
|
Color ink = l.diff ? l.left ? Red(): Green() : Gray();
|
|
draw.DrawRect(0, y, n_width, letter.cy, paper);
|
|
draw.DrawRect(n_width - 1, y, 1, letter.cy, Gray());
|
|
if(!IsNull(l.number))
|
|
draw.DrawText(0, y + number_yshift, FormatInt(l.number_diff), number_font, ink);
|
|
}
|
|
}
|
|
draw.Clip(n_width, 0, sz.cx - gutter_width - n_width, sz.cy);
|
|
|
|
int sell, selh;
|
|
GetSelection(sell, selh);
|
|
for(int i = first_line; i <= last_line; i++) {
|
|
const Line& l = lines[i];
|
|
int y = i * letter.cy - offset.cy;
|
|
Color ink = SColorText();
|
|
Color paper = IsNull(l.number) ? LtGray() : l.diff ? l.left ? Blend(LtRed(), White(), 230) : Blend(LtGreen(), White(), 230) : SColorPaper();
|
|
bool sel = l.number >= sell && l.number <= selh;
|
|
if(sel) {
|
|
ink = SColorHighlightText;
|
|
paper = SColorHighlight;
|
|
}
|
|
draw.DrawRect(0, y, sz.cx, letter.cy, paper);
|
|
|
|
WString ln = l.text.ToWString();
|
|
if(ln.GetCount() > 20000)
|
|
ln.Trim(20000);
|
|
ln = ExpandTabs(ln);
|
|
Vector<LineEdit::Highlight> hln;
|
|
hln.SetCount(ln.GetCount() + 1);
|
|
for(int i = 0; i < ln.GetCount(); i++) {
|
|
LineEdit::Highlight& h = hln[i];
|
|
h.paper = paper;
|
|
h.ink = ink;
|
|
h.chr = ln[i];
|
|
h.font = StdFont();
|
|
}
|
|
|
|
if(!sel) {
|
|
WhenHighlight(hln, ln);
|
|
|
|
WString ln_diff = l.text_diff.ToWString();
|
|
ln_diff = ExpandTabs(ln_diff);
|
|
|
|
int diff_start = -1, diff_end = -1;
|
|
for(int i = 0; i < ln.GetCount(); ++i) {
|
|
LineEdit::Highlight& h = hln[i];
|
|
if (change_paper_color)
|
|
h.paper = paper;
|
|
if(show_diff_highlight
|
|
&& (diff_start == -1)
|
|
&& (i < ln_diff.GetCount() && (h.chr != ln_diff[i])))
|
|
diff_start = i;
|
|
}
|
|
if(show_diff_highlight && (diff_start >= 0)) {
|
|
for(int i = ln.GetCount(), j = ln_diff.GetCount(); i >= 0 && j >=0; --i, --j) {
|
|
if(ln[i] != ln_diff[j]) {
|
|
diff_end = i;
|
|
break;
|
|
}
|
|
}
|
|
for(int i = diff_start; i <= diff_end; ++i) {
|
|
LineEdit::Highlight& h = hln[i];
|
|
h.paper = l.left ? Blend(LtRed(), White(), 192) : Blend(LtGreen(), White(), 128);
|
|
}
|
|
}
|
|
if(show_white_space) {
|
|
for(int i = ln.GetCount(); i >= 0; --i) {
|
|
LineEdit::Highlight& h = hln[i];
|
|
if (ln[i] == 0)
|
|
continue;
|
|
if(ln[i] == 32)
|
|
h.paper = l.left ? Red() : Green();
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int x = 0;
|
|
for(int i = 0; i < hln.GetCount() - 1; ++i) {
|
|
Font fnt = font;
|
|
LineEdit::Highlight& h = hln[i];
|
|
fnt.Bold(h.font.IsBold());
|
|
fnt.Italic(h.font.IsItalic());
|
|
fnt.Underline(h.font.IsUnderline());
|
|
int width = fnt[h.chr];
|
|
draw.DrawRect(n_width - offset.cx + x, y, width, fnt.GetCy(), h.paper);
|
|
draw.DrawText(n_width - offset.cx + x, y, &h.chr, fnt, h.ink, 1);
|
|
x += width;
|
|
}
|
|
}
|
|
int lcy = lcnt * letter.cy - offset.cy;
|
|
draw.DrawRect(0, lcy, sz.cx, sz.cy - lcy, SGray());
|
|
draw.End();
|
|
draw.DrawRect(0, lcy, n_width, sz.cy - lcy, number_bg);
|
|
}
|
|
|
|
void TextCompareCtrl::TabSize(int t)
|
|
{
|
|
tabsize = t;
|
|
UpdateWidth();
|
|
Layout();
|
|
}
|
|
|
|
void TextCompareCtrl::SetFont(Font f, Font nf)
|
|
{
|
|
font = f;
|
|
number_font = nf;
|
|
FontInfo fi = f.Info();
|
|
FontInfo ni = nf.Info();
|
|
letter.cy = fi.GetHeight();
|
|
letter.cx = fi.GetAveWidth();
|
|
number_width = 5 * ni.GetAveWidth();
|
|
number_yshift = (fi.GetHeight() - ni.GetHeight() + 2) >> 1;
|
|
Layout();
|
|
}
|
|
|
|
void TextCompareCtrl::SetFont(Font f)
|
|
{
|
|
SetFont(f, GetNumberFont());
|
|
}
|
|
|
|
void TextCompareCtrl::Layout()
|
|
{
|
|
int n_width = show_line_number ? number_width : 0;
|
|
|
|
scroll.Set(scroll, (scroll.GetReducedViewSize() - Size(n_width + gutter_width, 0)) / letter, Size(maxwidth, lines.GetCount()));
|
|
Refresh();
|
|
}
|
|
|
|
void TextCompareCtrl::MouseWheel(Point pt, int zdelta, dword keyflags)
|
|
{
|
|
scroll.WheelY(zdelta);
|
|
}
|
|
|
|
void TextCompareCtrl::SetCount(int c)
|
|
{
|
|
bool rl = (c < lines.GetCount());
|
|
lines.SetCount(c);
|
|
if(rl)
|
|
UpdateWidth();
|
|
Layout();
|
|
}
|
|
|
|
void TextCompareCtrl::AddCount(int c)
|
|
{
|
|
lines.InsertN(lines.GetCount(), c);
|
|
Layout();
|
|
}
|
|
|
|
void TextCompareCtrl::Set(int line, String text, bool diff, int number, int level, String text_diff, int number_diff, bool left)
|
|
{
|
|
Line& l = lines.At(line);
|
|
int tl = MeasureLength(text.ToWString());
|
|
int lt = MeasureLength(l.text.ToWString());
|
|
bool rl = (tl < lt && lt == maxwidth);
|
|
l.number = number;
|
|
l.text = text;
|
|
l.diff = diff;
|
|
l.level = level;
|
|
l.text_diff = text_diff;
|
|
l.number_diff = number_diff;
|
|
l.left = left;
|
|
if(rl)
|
|
UpdateWidth();
|
|
else if(tl > maxwidth) {
|
|
maxwidth = tl;
|
|
Layout();
|
|
}
|
|
}
|
|
|
|
void TextCompareCtrl::SelfScroll()
|
|
{
|
|
Refresh();
|
|
WhenScroll();
|
|
}
|
|
|
|
void TextCompareCtrl::PairScroll(TextCompareCtrl *ctrl)
|
|
{
|
|
scroll.Set(ctrl->scroll.Get());
|
|
}
|
|
|
|
void TextCompareCtrl::UpdateWidth()
|
|
{
|
|
maxwidth = 0;
|
|
for(int i = 0; i < lines.GetCount(); i++)
|
|
maxwidth = max(maxwidth, MeasureLength(lines[i].text.ToWString()));
|
|
}
|
|
|
|
int TextCompareCtrl::MeasureLength(const wchar *text) const
|
|
{
|
|
int pos = 0;
|
|
while(*text)
|
|
if(*text++ == '\t')
|
|
pos += tabsize - pos % tabsize;
|
|
else
|
|
pos++;
|
|
return pos;
|
|
}
|
|
|
|
bool TextCompareCtrl::GetSelection(int& l, int& h)
|
|
{
|
|
if(IsNull(cursor)) {
|
|
l = h = -1;
|
|
return false;
|
|
}
|
|
l = min(cursor, anchor);
|
|
h = max(cursor, anchor);
|
|
return true;
|
|
}
|
|
|
|
WString TextCompareCtrl::ExpandTabs(const wchar *text) const
|
|
{
|
|
WString out;
|
|
for(wchar c; (c = *text++);)
|
|
if(c == '\t')
|
|
out.Cat(' ', tabsize - out.GetLength() % tabsize);
|
|
else
|
|
out.Cat(c);
|
|
return out;
|
|
}
|
|
|
|
Point TextCompareCtrl::GetPos() const
|
|
{
|
|
Point pos(0, 0);
|
|
int ltop = minmax(scroll.Get().y, 0, lines.GetCount() - 1);
|
|
while(ltop >= 0 && IsNull(lines[ltop].number)) {
|
|
ltop--;
|
|
pos.y++;
|
|
}
|
|
if(ltop >= 0)
|
|
pos.x = lines[ltop].number;
|
|
return pos;
|
|
}
|
|
|
|
void TextCompareCtrl::SetPos(Point pos)
|
|
{
|
|
int l = FindFieldIndex(lines, &Line::number,pos.x);
|
|
if(l < 0)
|
|
l = 0;
|
|
SetSb(l + pos.y);
|
|
}
|
|
|
|
};
|