From 4701336ffda23b1ce7f27ce313ae25dae0a85746 Mon Sep 17 00:00:00 2001
From: wp_xxyyzz <wp_xxyyzz@8e941d3f-bd1b-0410-a28a-d453659cc2b4>
Date: Wed, 6 Jul 2016 14:23:45 +0000
Subject: [PATCH] tvplanit: Restore regular printing code in demo project.
 Automatic width detection of PrintFormatCombobox in PrintPreviewDlg.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4925 8e941d3f-bd1b-0410-a28a-d453659cc2b4
---
 .../tvplanit/examples/demo/demomain.lfm       |  6 ++--
 .../tvplanit/examples/demo/demomain.pas       | 18 ++--------
 components/tvplanit/source/vpprtprvdlg.lfm    | 15 +++++----
 components/tvplanit/source/vpprtprvdlg.pas    | 33 ++++++++++++++++++-
 4 files changed, 46 insertions(+), 26 deletions(-)

diff --git a/components/tvplanit/examples/demo/demomain.lfm b/components/tvplanit/examples/demo/demomain.lfm
index 2a329979d..dfb330a29 100644
--- a/components/tvplanit/examples/demo/demomain.lfm
+++ b/components/tvplanit/examples/demo/demomain.lfm
@@ -713,7 +713,7 @@ object MainForm: TMainForm
             Top = 0
             Width = 100
           end>
-        FormatName = 'Current week (dayview)'
+        FormatName = 'Events of current week (dayview)'
       end    
       item
         Version = 'v1.04'
@@ -731,7 +731,7 @@ object MainForm: TMainForm
             Top = 0
             Width = 100
           end>
-        FormatName = 'Current week (Week view)'
+        FormatName = 'Events of current week (Week view)'
       end>
     Printer.RightMargin = 5
     Printer.TopMargin = 5
@@ -775,9 +775,9 @@ object MainForm: TMainForm
     CategoryColorMap.Category9.Description = 'Category 9'
     EnableEventTimer = True
     PlayEventSounds = True
-    Directory = 'data'
     AutoConnect = True
     AutoCreate = True
+    Directory = 'data'
     left = 312
     top = 128
   end
diff --git a/components/tvplanit/examples/demo/demomain.pas b/components/tvplanit/examples/demo/demomain.pas
index e67858eea..a1da6c435 100644
--- a/components/tvplanit/examples/demo/demomain.pas
+++ b/components/tvplanit/examples/demo/demomain.pas
@@ -367,21 +367,9 @@ begin
          t1 := StartOfTheWeek(now);
          t2 := t1 + 7 - VpDayView1.NumDays mod 7; // + 7;
          fmt.DayInc := VpDayView1.NumDays;
-
-         t1 := VpDayView1.Date;
-         t2 := t1;   // wp: just for debugging of prt to reduce painting calls
-         fmt.dayInc := 0;
-
-
-
-
-         // wp: !!!!!!!!!!!!!!!!!!!!!!!!!!!!  bring back in !!!!!!!!!!!!!
-
-//         VpControlLink1.Printer.Granularity := VpDayView1.Granularity;
-//         VpControlLink1.Printer.DayStart := h_08; //VpDayView1.DefaultTopHour;
-//         VpControlLink1.Printer.DayEnd := h_17;
-
-
+         VpControlLink1.Printer.Granularity := gr30Min;
+         VpControlLink1.Printer.DayStart := h_08;
+         VpControlLink1.Printer.DayEnd := h_18;
        end;
     1: begin  // current week in WeekView
          t1 := StartOfTheWeek(now);
diff --git a/components/tvplanit/source/vpprtprvdlg.lfm b/components/tvplanit/source/vpprtprvdlg.lfm
index f876edb1a..76b17e648 100644
--- a/components/tvplanit/source/vpprtprvdlg.lfm
+++ b/components/tvplanit/source/vpprtprvdlg.lfm
@@ -1,18 +1,19 @@
 object frmPrintPreview: TfrmPrintPreview
-  Left = 285
-  Height = 704
-  Top = 142
+  Left = 325
+  Height = 791
+  Top = 118
   Width = 539
   HorzScrollBar.Page = 476
   VertScrollBar.Page = 517
   Caption = 'Print Preview'
-  ClientHeight = 704
+  ClientHeight = 791
   ClientWidth = 539
   Constraints.MinHeight = 200
   Constraints.MinWidth = 395
   KeyPreview = True
   OnCreate = FormCreate
   OnKeyDown = FormKeyDown
+  OnShow = FormShow
   LCLVersion = '1.7'
   object Panel1: TPanel
     Left = 0
@@ -24,7 +25,7 @@ object frmPrintPreview: TfrmPrintPreview
     ClientWidth = 539
     TabOrder = 0
     object cboxZoom: TComboBox
-      Left = 216
+      Left = 296
       Height = 23
       Top = 32
       Width = 145
@@ -46,7 +47,7 @@ object frmPrintPreview: TfrmPrintPreview
       Left = 8
       Height = 23
       Top = 32
-      Width = 201
+      Width = 280
       ItemHeight = 15
       Sorted = True
       TabOrder = 1
@@ -124,7 +125,7 @@ object frmPrintPreview: TfrmPrintPreview
   end
   object VpPrintPreview1: TVpPrintPreview
     Left = 0
-    Height = 642
+    Height = 729
     Top = 62
     Width = 539
     CurPage = 0
diff --git a/components/tvplanit/source/vpprtprvdlg.pas b/components/tvplanit/source/vpprtprvdlg.pas
index a002211bb..81b54f33e 100644
--- a/components/tvplanit/source/vpprtprvdlg.pas
+++ b/components/tvplanit/source/vpprtprvdlg.pas
@@ -87,6 +87,7 @@ type
       actLastPage: TAction;
       actCancel: TAction;
 
+      procedure FormShow(Sender: TObject);
       procedure OKBtnClick (Sender : TObject);
       procedure cboxZoomChange(Sender: TObject);
       procedure actPrintExecute(Sender: TObject);
@@ -169,6 +170,10 @@ implementation
  {$R *.dfm}
 {$ENDIF}
 
+uses
+  Math,
+  VpPrtFmt;
+
 procedure TfrmPrintPreview.FormCreate(Sender: TObject);
 begin
   ReturnCode := rtAbandon;
@@ -233,7 +238,7 @@ begin
     EditForm.VpPrintPreview1.StartDate := StartDate;
     EditForm.VpPrintPreview1.EndDate := EndDate;
     EditForm.VpPrintPreview1.ZoomFactor := ZoomFactor;
-    EditForm.cboxZoom.ItemIndex := Integer (ZoomFactor);
+    EditForm.cboxZoom.ItemIndex := Integer(ZoomFactor);
     EditForm.VpPrintPreview1.Printer := Printer;
     EditForm.VpPrintPreview1.ForceUpdate;
     EditForm.VpPrintPreview1.FirstPage;
@@ -399,5 +404,31 @@ begin
     actCancel.Execute;
 end;
 
+procedure TfrmPrintPreview.FormShow(Sender: TObject);
+var
+  maxlen: Integer;
+  cnv: TControlCanvas;
+  i: Integer;
+  fmts: TVpPrintFormat;
+begin
+  if VpPrintPreview1.ControlLink = nil then
+    exit;
+
+  cnv := TControlCanvas.Create;
+  try
+    cnv.Control := VpPrintFormatCombobox1;
+    cnv.Font.Assign(VpPrintFormatCombobox1.Font);
+    cnv.Font.Height := GetRealFontHeight(cnv.Font);
+    maxlen := 0;
+    fmts := VpPrintPreview1.ControlLink.Printer.PrintFormats;
+    for i:=0 to fmts.Count-1 do
+      maxlen := Max(maxlen, cnv.TextWidth(fmts.Items[i].FormatName));
+    VpPrintFormatCombobox1.Width := maxlen + 30;
+    cboxZoom.Left := VpPrintFormatCombobox1.Left + VpPrintFormatCombobox1.Width + 8;
+  finally
+    cnv.Free;
+  end;
+end;
+
 end.