ide: Filetime tip when mouse is over editor filename (or just coordinates)

uppsrc/ide/ide.cpp

@@ -638,6 +638,40 @@ void Ide::SetIcon()
 #endif
 }
 
+Rect Ide::GetFileInfoRect()
+{
+	Rect r = display.GetScreenRect();
+	r.top = r.bottom;
+	r.bottom = r.top + GetStdFontCy() + DPI(2);
+	return r - GetScreenRect().TopLeft();
+}
+
+void Ide::PaintFileInfo(Draw& w)
+{
+	if(fileinfo_visible) {
+		Time tm(edittime);
+		String qtf = "[g ";
+		
+		qtf << AsString(Format("  %d-%02d-%02d %02d:%02d:%02d",
+		                (int)tm.year, (int)tm.month, (int)tm.day,
+		                (int)tm.hour, (int)tm.minute, (int)tm.second));
+
+		qtf << ", Size " << FormatFileSize(editfile_length);
+
+		RichText txt = ParseQTF(qtf);
+		txt.ApplyZoom(GetRichTextStdScreenZoom());
+		Size tsz(txt.GetWidth(), txt.GetHeight(INT_MAX));
+
+		Rect r = GetFileInfoRect();
+		r.left = r.right - tsz.cx - DPI(4);
+		DrawFrame(w, r, SBlack());
+		r.Deflate(1, 1);
+		w.DrawRect(r, SColorPaper());
+		Size sz = r.GetSize();
+		txt.Paint(w, DPI(2) + r.left, (sz.cy - tsz.cy) / 2 + r.top, INT_MAX / 2);
+	}
+}
+
 void Ide::Periodic()
 {
 	CheckFileUpdate();
@@ -645,6 +679,12 @@ void Ide::Periodic()
 	if(debugger && debugger->IsFinished() && !IdeIsDebugLock())
 		IdeEndDebug();
 	SyncClang();
+	bool b = display.GetScreenRect().Contains(GetMousePos());
+	if(fileinfo_visible != b) {
+		Refresh(GetFileInfoRect());
+		Refresh();
+		fileinfo_visible = b;
+	}
 }
 
 struct IndexerProgress : ImageMaker {

uppsrc/ide/ide.h

@@ -528,8 +528,8 @@ public:
 	int       editfile_repo;
 	bool      editfile_isfolder;
 	bool      replace_in_files = false; // Find in files replace or Replace found items mode - do not update things
-
 	String    editfile2;
+	int64     editfile_length = 0;
 
 	String    scratch_back; // to get back from Alt-M scratchfile
 
@@ -688,6 +688,7 @@ public:
 	ParentCtrl              barrect; // to do custom caption clipping
 	CursorInfoCtrl          display, display_main;
 	ImageCtrl               indeximage, indeximage2;
+	bool                    fileinfo_visible = false; // show file time when cursor points to display
 
 	byte      hilite_scope;
 	int       hilite_bracket;
@@ -1169,6 +1170,9 @@ public:
 	void      Periodic();
 	void      SyncClang();
 
+	Rect      GetFileInfoRect();
+	void      PaintFileInfo(Draw& w);
+
 	void      PassEditor(AssistEditor& editor2);
 	void      PassEditor();
 	void      SyncEditorSplit();

uppsrc/ide/idefile.cpp

@@ -391,6 +391,7 @@ void Ide::SaveFile0(bool always)
 
 	FindFile ff(editfile);
 	fd.filetime = edittime = ff.GetLastWriteTime();
+	editfile_length = ff.GetLength();
 
 	if(!file_exists)
 		TriggerIdeBackgroundThread(2000);
@@ -549,6 +550,7 @@ void Ide::EditFile0(const String& path, byte charset, int spellcheck_comments, c
 	bool tfile = GetFileExt(editfile) == ".t";
 	if(ff) {
 		edittime = ff.GetLastWriteTime();
+		editfile_length = ff.GetLength();
 		view_file.SetBufferSize(256*1024);
 		view_file.Open(editfile);
 		if(view_file) {

uppsrc/ide/idewin.cpp

@@ -752,6 +752,11 @@ Ide::Ide()
 		});
 	};
 #endif
+
+	InstallPaintHook([](Ctrl *ctrl, Draw& draw, const Rect&) {
+		if(ctrl == TheIde())
+			TheIde()->PaintFileInfo(draw);
+	});
 }
 
 Ide::~Ide()