From 313f52c372a4fe70cdfb3fdfaf845b95e05be9d4 Mon Sep 17 00:00:00 2001
From: Ketmar Dark <ketmar@ketmar.no-ip.org>
Date: Tue, 26 Sep 2017 09:27:29 +0300
Subject: [PATCH] HolmesUI: "position" property for windows

---
 src/gx/gh_ui.pas       | 14 ++++++++++++++
 src/shared/xparser.pas |  7 +++++++
 2 files changed, 21 insertions(+)

diff --git a/src/gx/gh_ui.pas b/src/gx/gh_ui.pas
index 46bbbf6..ee54d5c 100644
--- a/src/gx/gh_ui.pas
+++ b/src/gx/gh_ui.pas
@@ -216,6 +216,7 @@ type
     mWaitingClose: Boolean;
     mInClose: Boolean;
     mFreeOnClose: Boolean; // default: false
+    mDoCenter: Boolean; // after layouting
 
   protected
     procedure activated (); override;
@@ -464,6 +465,11 @@ begin
     lay.layout();
     //writeln('=== final ==='); lay.dump();
 
+    if (ctl.mParent = nil) and (ctl is THTopWindow) and (THTopWindow(ctl).mDoCenter) then
+    begin
+      THTopWindow(ctl).centerInScreen();
+    end;
+
   finally
     FreeAndNil(lay);
   end;
@@ -1420,6 +1426,14 @@ begin
     result := true;
     exit;
   end;
+  if (strEquCI1251(prname, 'position')) then
+  begin
+         if (par.eatIdOrStr('default', false)) then mDoCenter := false
+    else if (par.eatIdOrStr('center', false)) then mDoCenter := true
+    else par.error('`center` or `default` expected');
+    result := true;
+    exit;
+  end;
   if (parseOrientation(prname, par)) then begin result := true; exit; end;
   result := inherited parseProperty(prname, par);
 end;
diff --git a/src/shared/xparser.pas b/src/shared/xparser.pas
index 0f2c2ec..a3e39ce 100644
--- a/src/shared/xparser.pas
+++ b/src/shared/xparser.pas
@@ -112,6 +112,7 @@ type
     procedure expectId (const aid: AnsiString; caseSens: Boolean=true);
     function eatId (const aid: AnsiString; caseSens: Boolean=true): Boolean;
     function eatIdOrStr (const aid: AnsiString; caseSens: Boolean=true): Boolean;
+    function eatIdOrStrCI (const aid: AnsiString): Boolean; inline;
 
     function expectStr (allowEmpty: Boolean=false): AnsiString;
     function expectInt (): Integer;
@@ -710,6 +711,12 @@ begin
 end;
 
 
+function TTextParser.eatIdOrStrCI (const aid: AnsiString): Boolean; inline;
+begin
+  result := eatIdOrStr(aid, false);
+end;
+
+
 function TTextParser.expectStr (allowEmpty: Boolean=false): AnsiString;
 begin
   if (mTokType <> TTStr) then raise Exception.Create('string expected');
-- 
2.29.2