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git-svn-id: svn://ultimatepp.org/upp/trunk@281 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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mdelfede
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303
uppsrc/CtrlLib/FileList.cpp
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303
uppsrc/CtrlLib/FileList.cpp
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#include "CtrlLib.h"
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NAMESPACE_UPP
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int GetTextSize(const FontInfo& fi, const wchar *text, const wchar *end) {
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int w = 0;
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while(text < end)
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w += fi[*text++];
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return w;
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}
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int GetTextSize(const FontInfo& fi, const WString& text) {
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return GetTextSize(fi, text, text.End());
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}
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const wchar *GetTextFitLim(const FontInfo& fi, const wchar *txt, const wchar *end, int& cx) {
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for(;;) {
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if(fi[*txt] > cx || txt >= end)
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return txt;
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cx -= fi[*txt++];
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}
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}
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int GetTextFitCount(const FontInfo& fi, const WString& s, int& cx) {
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return (int)(GetTextFitLim(fi, s, s.End(), cx) - s.Begin());
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}
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const wchar *strdirsep(const wchar *s) {
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while(*s) {
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if(*s == '\\' || *s == '/') return s;
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s++;
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}
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return NULL;
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}
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void DrawFileName(Draw& w, int x, int y, int wcx, int cy, const WString& mname, bool isdir, Font font,
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Color ink, Color extink, const WString& desc, Font descfont, bool justname)
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{
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FontInfo fi = font.Info();
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int extpos = (isdir ? -1 : mname.ReverseFind('.'));
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int slash = isdir ? -1 : max(mname.ReverseFind('\\'), mname.ReverseFind('/'));
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if(extpos < slash)
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extpos = -1;
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const wchar *ext = extpos >= slash && extpos >= 0 ? mname.Begin() + extpos + 1
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: mname.End();
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const wchar *name = mname;
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if(justname && slash >= 0)
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name += slash + 1;
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int txtcx = GetTextSize(fi, name);
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if(txtcx <= wcx) {
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w.DrawText(x, y, name, font, ink, (int)(ext - name));
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w.DrawText(x + GetTextSize(fi, name, ext), y, ext, font, extink, (int)(mname.End() - ext));
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if(!IsEmpty(desc))
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DrawTextEllipsis(w, x + fi.GetHeight(), y, wcx - txtcx,
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desc, "...", descfont, extink);
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}
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else {
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int dot3 = 3 * fi['.'];
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if(2 * dot3 > wcx)
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w.DrawText(x, y, name, font, ink, GetTextFitCount(fi, name, wcx));
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else {
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const wchar *end = mname.End();
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int dircx = 2 * fi['.'] + fi[DIR_SEP];
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const wchar *bk = strdirsep(name);
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if(bk) {
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wcx -= dircx;
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w.DrawText(x, y, ".." DIR_SEPS, font, SColorDisabled, 3);
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x += dircx;
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do {
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txtcx -= GetTextSize(fi, name, bk + 1);
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name = bk + 1;
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if(txtcx < wcx) {
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w.DrawText(x, y, name, font, ink, (int)(ext - name));
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x += GetTextSize(fi, name, ext);
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w.DrawText(x, y, ext, font, extink, (int)(end - ext));
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return;
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}
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bk = strdirsep(name);
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}
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while(bk);
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}
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wcx -= dot3;
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int extcx = GetTextSize(fi, ext, end);
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if(2 * extcx > wcx || ext == end) {
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int n = GetTextFitCount(fi, name, wcx);
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w.DrawText(x, y, name, font, ink, n);
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x += GetTextSize(fi, name, name + n);
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w.DrawText(x, y, "...", font, SColorDisabled, 3);
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}
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else {
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wcx -= extcx;
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int n = (int)(GetTextFitLim(fi, name, end, wcx) - name);
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w.DrawText(x, y, name, font, ink, n);
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x += GetTextSize(fi, name, name + n);
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w.DrawText(x, y, "...", font, SColorDisabled, 3);
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w.DrawText(x + dot3, y, ext, font, extink, (int)(end - ext));
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}
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}
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}
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}
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void FileList::Paint(Draw& w, const Rect& r, const Value& q,
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Color ink, Color paper, dword style) const
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{
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const File& m = ValueTo<File>(q);
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bool dark = Grayscale(paper) < 150;
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w.DrawRect(r, paper);
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int x = r.left + 2;
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w.DrawImage(x, r.top + (r.Height() - m.icon.GetSize().cy) / 2, m.icon);
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x += iconwidth;
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x += 2;
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FontInfo fi = m.font.Info();
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DrawFileName(w, x, r.top + (r.Height() - fi.GetHeight()) / 2,
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r.right - x - 2, r.Height(), WString(m.name), m.isdir, m.font,
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dark ? SColorHighlightText : m.ink,
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dark ? SColorHighlightText : m.extink,
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WString(m.desc), m.descfont, justname);
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}
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Size FileList::GetStdSize(const Value& q) const
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{
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const File& m = ValueTo<File>(q);
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FontInfo fi = m.font.Info();
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int cx = GetTextSize(fi, WString(m.name)) + 2 + iconwidth + 2 + 3;
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if(!IsNull(m.desc))
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cx += GetTextSize(m.descfont.Info(), WString(m.desc)) + fi.GetHeight();
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return Size(cx, GetItemHeight());
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}
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void FileList::StartEdit() {
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Rect r = GetItemRect(GetCursor());
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const File& cf = Get(GetCursor());
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Font f = cf.font;
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int fcy = f.Info().GetHeight();
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r.left += iconwidth + 2;
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r.top += (r.Height() - fcy - 4) / 2;
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r.bottom = r.top + fcy + 2;
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edit.SetRect(r);
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edit.SetFont(cf.font);
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edit = cf.name.ToWString();
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edit.Show();
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edit.SetFocus();
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}
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void FileList::EndEdit() {
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KillTimeCallback(TIMEID_STARTEDIT);
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int b = edit.HasFocus();
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edit.Hide();
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if(b) SetFocus();
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}
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void FileList::OkEdit() {
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EndEdit();
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int c = GetCursor();
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if(c >= 0 && c < GetCount())
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WhenRename(Get(c).name, ~edit);
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}
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void FileList::LeftDown(Point p, dword flags) {
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int c = GetCursor();
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if(IsEdit()) {
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OkEdit();
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c = -1;
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}
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ColumnList::LeftDown(p, flags);
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KillTimeCallback(TIMEID_STARTEDIT);
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if(c == GetCursor() && c >= 0 && !HasCapture() && renaming && !(flags & (K_SHIFT|K_CTRL)))
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SetTimeCallback(750, THISBACK(StartEdit), TIMEID_STARTEDIT);
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}
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bool FileList::FindChar(int from, int chr) {
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for(int i = max(0, from); i < GetCount(); i++) {
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WString x = Get(i).name.ToWString(); // TRC patch 05/09/15; for CXL to check
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if(ToUpper(ToAscii(x[0])) == chr) {
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ClearSelection();
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SetCursor(i);
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return true;
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}
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}
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return false;
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}
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bool FileList::Key(dword key, int count) {
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if(key == K_ESCAPE && IsEdit()) {
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EndEdit();
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return true;
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}
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if(key == K_ENTER && IsEdit()) {
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OkEdit();
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return true;
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}
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if(accelkey) {
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int c = ToUpper((int)key);
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if(key < 256 && IsAlNum(c)) {
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if(!FindChar(GetCursor() + 1, c))
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FindChar(0, c);
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return true;
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}
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}
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return ColumnList::Key(key, count);
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}
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void FileList::Insert(int ii,
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const String& name, const Image& icon, Font font, Color ink,
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bool isdir, int64 length, Time time, Color extink,
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const String& desc, Font descfont, Value data)
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{
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Value v;
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File& m = CreateRawValue<File>(v);
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m.isdir = isdir;
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m.icon = icon;
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m.name = name;
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m.font = font;
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m.ink = ink;
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m.length = length;
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m.time = time;
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m.extink = IsNull(extink) ? ink : extink;
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m.desc = desc;
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m.descfont = descfont;
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m.data = data;
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ColumnList::Insert(ii, v, !m.isdir);
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}
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void FileList::Add(const String& name, const Image& icon, Font font, Color ink,
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bool isdir, int64 length, Time time, Color extink,
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const String& desc, Font descfont, Value data)
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{
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Value v;
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File& m = CreateRawValue<File>(v);
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m.isdir = isdir;
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m.icon = icon;
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m.name = name;
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m.font = font;
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m.ink = ink;
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m.length = length;
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m.time = time;
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m.extink = IsNull(extink) ? ink : extink;
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m.desc = desc;
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m.descfont = descfont;
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m.data = data;
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ColumnList::Add(v, !m.isdir);
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}
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const FileList::File& FileList::Get(int i) const
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{
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return ValueTo<File>(ColumnList::Get(i));
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}
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String FileList::GetCurrentName() const
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{
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return GetCount() && GetCursor() >= 0 && GetCursor() < GetCount() ? Get(GetCursor()).name
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: Null;
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}
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int FileList::Find(const char *s) {
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for(int i = 0; i < GetCount(); i++)
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if(strcmp(Get(i).name, s) == 0) return i;
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return -1;
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}
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bool FileList::FindSetCursor(const char *name) {
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int i = Find(name);
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if(i < 0) return false;
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SetCursor(i);
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return true;
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}
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struct FileList::FileOrder : public ValueOrder {
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const FileList::Order *order;
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virtual bool operator()(const Value& a, const Value& b) const {
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return (*order)(ValueTo<File>(a), ValueTo<File>(b));
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}
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};
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void FileList::Sort(const Order& order)
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{
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FileOrder fo;
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fo.order = ℴ
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int i = GetCursor();
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String fn;
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if(i >= 0)
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fn = Get(i).name;
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ColumnList::Sort(fo);
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if(i >= 0)
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FindSetCursor(fn);
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}
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FileList::FileList() {
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iconwidth = 16;
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ItemHeight(max(Draw::GetStdFontCy(), 16));
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Ctrl::Add(edit);
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edit.Hide();
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edit.SetFrame(BlackFrame());
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renaming = false;
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justname = false;
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accelkey = false;
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SetDisplay(*this);
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}
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FileList::~FileList() {}
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END_UPP_NAMESPACE
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