ultimatepp/uppsrc/RichEdit/Editor.cpp
2024-12-06 10:05:57 +01:00

795 lines
17 KiB
C++

#include "RichEdit.h"
namespace Upp {
#define TFILE <RichEdit/RichEdit.t>
#include <Core/t.h>
bool FontHeight::Key(dword key, int count)
{
if(key == K_ENTER) {
if(!IsError(GetData()))
WhenSelect();
return true;
}
return WithDropChoice<EditDouble>::Key(key, count);
}
double RichEdit::DotToPt(int dt)
{
return 7200 * minmax(dt, 8, 8000) / 600 / 10 / 10.0;
}
int RichEdit::PtToDot(double pt)
{
return int((600 * pt + 71) / 72);
}
struct EditPageDraw : public PageDraw {
virtual Draw& Page(int _page);
Draw& w;
int page;
int x, y;
Size size;
EditPageDraw(Draw& w) : w(w) { w.Begin(); w.Begin(); page = -1; }
~EditPageDraw() { w.End(); w.End(); }
};
Draw& EditPageDraw::Page(int _page)
{
if(page == _page) return w;
page = _page;
w.End();
w.End();
if(size.cy < INT_MAX)
w.Clipoff(0, y + (size.cy + 3) * page + 2, 9999, size.cy);
else
w.Offset(0, y + 2);
w.Offset(x, 0);
return w;
}
Rect RichEdit::GetTextRect() const
{
Size sz = GetSize();
if(sz.cy < Zx(16))
sz.cy = Zx(16);
if(sz.cx < Zx(80))
return RectC(0, 0, Zx(48), max(sz.cy, Zy(16)));
int cx = zoom * (sz.cx - 2 * viewborder) / 100;
return RectC((sz.cx - cx) / 2, 0, cx, sz.cy);
}
Zoom RichEdit::GetZoom() const
{
return Zoom(GetTextRect().Width(), pagesz.cx);
}
Size RichEdit::GetZoomedPage() const
{
return Size(GetTextRect().Width(), pagesz.cy == INT_MAX ? INT_MAX / 2 : GetZoom() * pagesz.cy);
}
int RichEdit::GetPosY(PageY py) const
{
return py.page * (GetZoomedPage().cy + 3) + py.y * GetZoom() + 2;
}
PageY RichEdit::GetPageY(int y) const
{
PageY py;
int q = GetZoomedPage().cy + 3;
py.page = y / q;
py.y = (y % q - 2) / GetZoom();
return py;
}
static void sPaintHotSpot(Draw& w, int x, int y)
{
w.DrawRect(x, y, DPI(8), DPI(8), LtRed);
DrawFrame(w, x, y, DPI(8), DPI(8), SColorText);
}
void RichEdit::Paint(Draw& w)
{
Size sz = GetSize();
p_size = sz;
Rect tr = GetTextRect();
Zoom zoom = GetZoom();
w.DrawRect(sz, White);
PageY py = text.GetHeight(pagesz);
{
EditPageDraw pw(w);
pw.x = tr.left;
pw.y = -sb;
pw.size = GetZoomedPage();
if(pagesz.cy == INT_MAX) {
pw.size.cy = INT_MAX;
if(viewborder)
DrawFrame(w, tr.left - 1, (int)sb ? -1 : 0, pw.size.cx + 4, 9999, SColorShadow);
}
else
if(viewborder)
for(int i = 0; i <= py.page; i++)
DrawFrame(w, tr.left - 1, i * (pw.size.cy + 3) + 1 - sb,
pw.size.cx + 4, pw.size.cy + 2, SColorShadow);
PaintInfo pi = paint_info;
pi.context = context;
pi.zoom = zoom;
pi.top = GetPageY(sb);
pi.bottom = GetPageY(sb + sz.cy);
pi.usecache = true;
pi.sizetracking = sizetracking;
pi.showcodes = showcodes;
pi.showlabels = !IsNull(showcodes) && viewborder >= 16;
pi.hyperlink = LtBlue; // because we have white paper even in dark mode
if(spellcheck)
pi.spellingchecker = SpellParagraph;
if(IsSelection()) {
if(tablesel) {
pi.tablesel = tablesel;
pi.cells = cells;
}
else {
pi.sell = begtabsel ? -1 : min(cursor, anchor);
pi.selh = max(cursor, anchor);
}
}
text.Paint(pw, pagesz, pi);
}
w.DrawRect(tr.left, GetPosY(py) - sb, 20, 3, showcodes);
if(objectpos >= 0) {
Rect r = objectrect;
r.Offset(tr.left, -sb);
DrawFrame(w, r, Black());
r.Deflate(DPI(1));
DrawFatFrame(w, r, White(), DPI(2));
r.Deflate(DPI(2));
DrawFrame(w, r, Black());
r.Deflate(DPI(1));
sPaintHotSpot(w, r.left + r.Width() / 2 - DPI(3), r.bottom - DPI(7));
sPaintHotSpot(w, r.right - DPI(7), r.bottom - DPI(7));
sPaintHotSpot(w, r.right - DPI(7), r.top + r.Height() / 2 - DPI(3));
w.Clip(r);
w.End();
}
else
if(paintcarect)
w.DrawRect(GetCaretRect(), InvertColor);
if(!IsNull(dropcaret))
DrawTiles(w, dropcaret.OffsetedVert(-sb), CtrlImg::checkers());
scroller.Set(sb);
}
int RichEdit::GetHotSpot(Point p) const
{
if(objectpos < 0) return -1;
Rect r = objectrect;
r.Offset(GetTextRect().left, -sb);
r.Deflate(DPI(4), DPI(4));
if(RectC(r.right - DPI(7), r.bottom - DPI(7), DPI(8), DPI(12)).Contains(p))
return 0;
if(RectC(r.left + r.Width() / 2 - DPI(3), r.bottom - DPI(7), DPI(12), DPI(12)).Contains(p))
return 1;
if(RectC(r.right - DPI(7), r.top + r.Height() / 2 - DPI(3), DPI(12), DPI(8)).Contains(p))
return 2;
return -1;
}
void RichEdit::SetZsc()
{
zsc = (int)sb / GetZoom();
}
void RichEdit::SetSb()
{
sb.SetTotal(GetPosY(text.GetHeight(pagesz)) + 10);
}
void RichEdit::Scroll()
{
scroller.Scroll(*this, GetSize(), sb);
PlaceCaret();
}
void RichEdit::EndSizeTracking()
{
if(sizetracking) {
sizetracking = false;
Refresh();
}
}
void RichEdit::FixObjectRect()
{
if(objectpos >= 0) {
Rect r = GetObjectRect(objectpos);
if(r != objectrect) {
objectrect = r;
Refresh(objectrect);
}
}
}
RichEdit& RichEdit::Floating(double zoomlevel_)
{
floating_zoom = zoomlevel_;
RefreshLayoutDeep();
return *this;
}
void RichEdit::Layout()
{
Size sz = GetTextRect().GetSize();
if(!IsNull(floating_zoom)) {
Zoom m = GetRichTextStdScreenZoom();
SetPage(Size(int(1 / floating_zoom * m.d / m.m * sz.cx), INT_MAX));
}
sb.SetPage(sz.cy > 10 ? sz.cy - 4 : sz.cy);
SetupRuler();
SetSb();
sb = zsc * GetZoom();
PlaceCaret();
if(GetSize() != p_size) {
sizetracking = true;
KillSetTimeCallback(250, THISBACK(EndSizeTracking), TIMEID_ENDSIZETRACKING);
}
FixObjectRect();
}
Rect RichEdit::GetCaretRect(const RichCaret& pr) const
{
Zoom zoom = GetZoom();
Rect tr = GetTextRect();
Rect r = RectC(pr.left * zoom + tr.left, GetPosY(pr) + (pr.lineascent - pr.caretascent) * zoom - sb,
overwrite && GetChar(cursor) != '\n' ? pr.Width() * zoom
: (pr.caretascent + pr.caretdescent) * zoom > 20 ? 2 : 1,
(pr.caretascent + pr.caretdescent) * zoom);
if(r.right > tr.right)
return Rect(tr.right - r.Width(), r.top, tr.right, r.bottom);
return r;
}
Rect RichEdit::GetCaretRect() const
{
return GetCaretRect(text.GetCaret(cursor, pagesz));
}
Rect RichEdit::PlaceCaret()
{
Zoom zoom = GetZoom();
Rect rr = Rect(zoom * cursorc.left, GetPosY(cursorc), zoom * cursorc.right,
GetPosY(PageY(cursorc.page, cursorc.bottom)));
if(objectpos >= 0) {
caret = Null;
return rr;
}
if(!IsNull(objectrect)) {
objectrect = Null;
Refresh();
}
if(IsSelection())
caret = Null;
else
caret = GetCaretRect(cursorc);
return rr;
}
Rect RichEdit::GetCaret() const
{
return caret;
}
void RichEdit::SetupRuler()
{
Zoom zoom = GetZoom();
static struct Tl {
double grid;
int numbers;
double numbermul;
int marks;
}
tl[] = {
{ 25, 20, 25, 4 },
{ 600 / 72 * 4, 9, 4, 1000 },
{ 600 / 10, 10, 1 / 10.0, 5 },
{ 600 / 25.4, 10, 1, 5 },
{ 600 / 25.4, 10, 1 / 10.0, 5 },
};
const Tl& q = tl[unit];
ruler.SetLayout(GetTextRect().left + zoom * cursorc.textpage.left, cursorc.textpage.Width(),
zoom, q.grid, q.numbers, q.numbermul, q.marks);
}
void RichEdit::SetupUnits()
{
WithUnitLayout<TopWindow> d;
CtrlLayoutOKCancel(d, t_("Units"));
d.accels <<= THISBACK(StyleKeys);
for(int i = 1; i <= 10; i++)
d.zoom.Add(10 * i, Format(t_("%d%% of width"), 10 * i));
CtrlRetriever r;
r(d.unit, unit)(d.showcodes, showcodes)(d.zoom, zoom);
if(d.Execute() == IDOK) {
r.Retrieve();
Refresh();
FinishNF();
}
}
void RichEdit::ZoomView(int d)
{
zoom = clamp(zoom + d * 10, 10, 100);
Refresh();
FinishNF();
}
int RichEdit::GetNearestPos(int x, PageY py)
{
int c = text.GetPos(x, py, pagesz);
String dummy;
RichPos p = text.GetRichPos(c);
if(c >= text.GetLength() - 1 || c < 0 || p.object || p.field
|| p.table && (p.posincell == 0 || p.posincell == p.celllen))
return c;
Rect r1 = text.GetCaret(c, pagesz);
Rect r2 = text.GetCaret(c + 1, pagesz);
return r1.top == r2.top && x - r1.left > r2.left - x ? c + 1 : c;
}
int RichEdit::GetX(int x)
{
return (x - GetTextRect().left) / GetZoom();
}
int RichEdit::GetSnapX(int x)
{
return GetX(x) / 32 * 32;
}
void RichEdit::GetPagePoint(Point p, PageY& py, int& x)
{
py = GetPageY(p.y + sb);
x = GetX(p.x);
}
int RichEdit::GetMousePos(Point p) {
PageY py;
int x;
GetPagePoint(p, py, x);
return GetNearestPos(x, py);
}
Rect RichEdit::GetObjectRect(int pos) const {
Zoom zoom = GetZoom();
RichCaret pr = text.GetCaret(pos, pagesz);
Rect r = Rect(zoom * pr.left,
GetPosY(PageY(pr.page, pr.top + pr.lineascent - pr.objectcy + pr.objectyd)),
zoom * pr.right,
GetPosY(PageY(pr.page, pr.top + pr.lineascent + pr.objectyd)));
return r;
}
bool RichEdit::Print()
{
text.SetFooter(footer);
text.PrintNoLinks(nolinks);
return UPP::Print(text, pagesz, cursorc.page);
}
struct DisplayFont : public Display {
void Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
Font fnt;
fnt.Face((int)q);
fnt.Height(r.Height() - Zy(4));
w.DrawRect(r, paper);
w.DrawText(r.left, r.top + (r.Height() - fnt.Info().GetHeight()) / 2,
Font::GetFaceName((int)q), fnt, ink);
}
};
struct ValueDisplayFont : public Display {
void Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
w.DrawRect(r, paper);
w.DrawText(r.left, r.top + (r.Height() - StdFont().Info().GetHeight()) / 2,
Font::GetFaceName((int)q), StdFont(), ink);
}
};
void RichEdit::Clear()
{
undo.Clear();
redo.Clear();
text.Clear();
Reset();
RichPara h;
h.format.language = GetCurrentLanguage();
text.Cat(h);
Refresh();
Finish();
ReadStyles();
SetModify();
modified = true;
zsc = 0;
}
void RichEdit::SetupLanguage(Vector<int>&& _lng)
{
Vector<int>& lng = const_cast<Vector<int>&>(_lng);
Sort(lng);
language.ClearList();
for(int i = 0; i < lng.GetCount(); i++)
language.Add(lng[i], lng[i] ? LNGAsText(lng[i]) : String(t_("None")));
}
void RichEdit::Pick(RichText pick_ t)
{
Clear();
text = pick(t);
if(text.GetPartCount() == 0)
text.Cat(RichPara());
ReadStyles();
EndSizeTracking();
SetupLanguage(text.GetAllLanguages());
Move(0);
Update();
}
Value RichEdit::GetData() const
{
return AsQTF(text);
}
void RichEdit::SetData(const Value& v)
{
Pick(ParseQTF((String)v, 0, context));
}
void RichEdit::Serialize(Stream& s)
{
int version = 0;
s / version;
String h;
if(s.IsStoring())
h = AsQTF(text);
s % h;
if(s.IsLoading())
Pick(ParseQTF(h, 0, context));
}
int RichEdit::fh[] = {
6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 42, 48, 60, 72, 0
};
RichEdit& RichEdit::FontFaces(const Vector<int>& ff)
{
ffs <<= ff;
face.ClearList();
for(int i = 0; i < ff.GetCount(); i++)
face.Add(ff[i]);
return *this;
}
void SetupFaceList(DropList& face)
{
face.ValueDisplay(Single<ValueDisplayFont>());
face.SetDisplay(Single<DisplayFont>());
}
void RichEdit::SpellCheck()
{
spellcheck = !spellcheck;
Refresh();
RefreshBar();
}
void RichEdit::SerializeSettings(Stream& s)
{
int version = 3;
s / version;
s % unit;
s % showcodes;
if(version >= 1)
s % zoom;
s % spellcheck;
s % findreplace.find;
findreplace.find.SerializeList(s);
s % findreplace.replace;
findreplace.replace.SerializeList(s);
s % findreplace.wholeword;
s % findreplace.ignorecase;
RefreshBar();
imagefs.Serialize(s);
if(version >= 3)
for(int i = 0; i < 20; i++) {
StyleKey& k = stylekey[i];
s % k.styleid % k.stylename % k.face % k.height % k.ink % k.paper;
}
}
void RichEdit::Reset()
{
undoserial = 0;
incundoserial = false;
objectpos = -1;
objectrect = Null;
sizetracking = true;
anchor = cursor = 0;
gx = 0;
oselh = osell = 0;
RichPara::Format pmt;
formatinfo.Set(pmt);
tabmove.table = 0;
}
RichEdit::UndoInfo RichEdit::PickUndoInfo()
{
UndoInfo f;
f.undoserial = undoserial;
f.undo = pick(undo);
f.redo = pick(redo);
Clear();
return f;
}
void RichEdit::SetPickUndoInfo(UndoInfo pick_ f)
{
undoserial = f.undoserial;
incundoserial = true;
undo = pick(f.undo);
redo = pick(f.redo);
Finish();
}
void RichEdit::PosInfo::Serialize(Stream& s)
{
int version = 2;
s / version;
s % cursor % anchor % zsc % begtabsel;
if(version == 0)
zsc = 0;
}
RichEdit::PosInfo RichEdit::GetPosInfo() const
{
PosInfo f;
f.cursor = cursor;
f.anchor = anchor;
f.begtabsel = begtabsel;
f.zsc = zsc;
return f;
}
void RichEdit::SetPosInfo(const PosInfo& f)
{
int l = text.GetLength();
cursor = min(l, f.cursor);
anchor = min(l, f.anchor);
begtabsel = f.begtabsel;
if(begtabsel)
anchor = 0;
Finish();
zsc = f.zsc;
Layout();
}
void RichEdit::DoRefreshBar()
{
WhenRefreshBar();
}
void RichEdit::RefreshBar()
{
KillTimeCallback(TIMEID_REFRESHBAR);
SetTimeCallback(0, THISBACK(DoRefreshBar), TIMEID_REFRESHBAR);
}
void StdLinkDlg(String& s, WString&)
{
EditText(s, t_("Hyperlink"), t_("Hyperlink"), CharFilterAscii128, 1000);
}
void StdLabelDlg(String& s)
{
EditText(s, t_("Paragraph label"), t_("Label"), CharFilterAscii128, 1000);
}
void StdIndexEntryDlg(String& s)
{
EditText(s, t_("Index Entry"), t_("Index entry"), CharFilterAscii128, 1000);
}
void RichEdit::Skin()
{
adjustunits.Image(RichEditImg::AdjustUnits());
ink.ColorImage(RichEditImg::InkColor())
.NullImage(RichEditImg::NullInkColor())
.StaticImage(RichEditImg::ColorA());
paper.ColorImage(RichEditImg::PaperColor())
.NullImage(RichEditImg::NullPaperColor())
.StaticImage(RichEditImg::ColorA());
DoRefreshBar();
}
RichEdit::RichEdit()
{
floating_zoom = Null;
Unicode();
BackPaint();
viewborder = Zx(16);
face.NoWantFocus();
height.NoWantFocus();
style.NoWantFocus();
language.NoWantFocus();
setstyle = &style.InsertButton(0).SetMonoImage(CtrlImg::smallleft()).Tip(t_("Store as style"));
setstyle->WhenClick = THISBACK(SetStyle);
style.InsertButton(0).SetMonoImage(RichEditImg::ManageStyles()).Tip(t_("Style manager"))
.WhenClick = THISBACK(Styles);
style.Tip(t_("Style"));
style <<= THISBACK(Style);
WhenBar = THISBACK(StdBar);
pagesz = Size(3968, 6074);
unit = UNIT_POINT;
zoom = 100;
Clear();
context = NULL;
nolinks = false;
showcodes = LtBlue;
spellcheck = true;
overwrite = false;
sb.WhenScroll = THISBACK(Scroll);
sb.SetLine(16);
Layout();
SetSb();
adjustunits <<= THISBACK(SetupUnits);
ruler.Add(adjustunits.RightPosZ(4, 16).VSizePosZ(2, 2));
undosteps = 500;
AddFrame(ViewFrame());
AddFrame(ruler);
AddFrame(sb);
RefreshBar();
ruler.WhenBeginTrack = THISBACK(BeginRulerTrack);
ruler.WhenTrack = THISBACK(RulerTrack);
ruler.WhenEndTrack = THISBACK(ReadFormat);
ruler.WhenLeftDown = THISBACK(AddTab);
ruler.WhenRightDown = THISBACK(TabMenu);
SetupFaceList(face);
face <<= THISBACK(SetFace);
face.Tip(t_("Font face"));
Vector<int> ff;
ff.Add(Font::ARIAL);
ff.Add(Font::ROMAN);
ff.Add(Font::COURIER);
FontFaces(ff);
language <<= THISBACK(SetLanguage);
language.Tip(t_("Language"));
language.WhenClick = THISBACK(Language);
language.Add(0, t_("None"));
for(int i = 0; fh[i]; i++)
height.AddList(fh[i]);
height.WhenSelect = THISBACK(SetHeight);
height.Tip(t_("Font height"));
hyperlink <<= THISBACK(Hyperlink);
hyperlink.NoWantFocus();
label <<= THISBACK(Label);
indexentry << THISBACK(IndexEntry);
indexentry.NoWantFocus();
gotolabel.SetMonoImage(RichEditImg::GoTo());
label.AddFrame(gotolabel);
gotolabel.Tip(t_("Go to label"));
gotolabel <<= THISBACK(GotoLbl);
gotolabel.NoWantFocus();
gotoentry.SetMonoImage(RichEditImg::GoTo());
indexentry.AddFrame(gotoentry);
gotoentry.Tip(t_("Go to index entry"));
gotoentry <<= THISBACK(GotoEntry);
gototable.Normal();
gototable.AddIndex();
gototable.AddIndex();
gototable.WhenSelect = THISBACK(Goto);
ink.NotNull();
ink <<= THISBACK(SetInk);
ink.Tip(t_("Text color"));
paper <<= THISBACK(SetPaper);
paper.Tip(t_("Background color"));
ReadStyles();
paintcarect = false;
CtrlLayoutOKCancel(findreplace, t_("Find / Replace"));
findreplace.cancel <<= callback(&findreplace, &TopWindow::Close);
findreplace.ok <<= THISBACK(Find);
findreplace.amend <<= THISBACK(Replace);
notfoundfw = found = false;
findreplace.NoCenter();
WhenHyperlink = callback(StdLinkDlg);
WhenLabel = callback(StdLabelDlg);
WhenIndexEntry = callback(StdIndexEntryDlg);
p_size = Size(-1, -1);
useraction = modified = false;
ClearModify();
Finish();
imagefs.Type("Images (*.png *.gif *.jpg *.bmp *.svg)", "*.png *.gif *.jpg *.bmp *.svg");
singleline = false;
clipzoom = Zoom(1, 1);
bullet_indent = 150;
persistent_findreplace = true;
ignore_physical_size = false;
}
RichEdit::~RichEdit() {}
void RichEditWithToolBar::TheBar(Bar& bar)
{
DefaultBar(bar, extended);
}
void RichEditWithToolBar::RefreshBar()
{
toolbar.Set(THISBACK(TheBar));
}
void RichEditWithToolBar::Skin()
{
RefreshBar();
}
void RichEdit::EvaluateFields()
{
WhenStartEvaluating();
text.EvaluateFields(vars);
Finish();
}
RichEditWithToolBar::RichEditWithToolBar()
{
InsertFrame(0, toolbar);
WhenRefreshBar = callback(this, &RichEditWithToolBar::RefreshBar);
extended = true;
}
}