TvPlanIt: Add Pause/Resume functionality and TimeResolution property to VpClock.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8219 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/tvplanit/examples/gadgets/project1.lpi

@@ -58,6 +58,9 @@
       <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
     </SearchPaths>
     <Linking>
+      <Debugging>
+        <DebugInfoType Value="dsDwarf2Set"/>
+      </Debugging>
       <Options>
         <Win32>
           <GraphicApplication Value="True"/>

components/tvplanit/source/vpclock.pas

@@ -160,6 +160,7 @@ type
     FTimer: TTimer;
    {$ENDIF}
     FActive: Boolean;
+    FHold: Boolean;
     FClockMode: TVpClockMode;
     FDigitalOptions: TVpDigitalOptions;
     FDisplayMode: TVpClockDisplayMode;
@@ -167,6 +168,7 @@ type
     FElapsedHours: Integer;
     FElapsedMinutes: LongInt;
     FElapsedSeconds: LongInt;
+    FElapsedTime: TDateTime;
     FHandOptions: TVpHandOptions;
     FTime: TDateTime;
     FMilitaryTime: Boolean;
@@ -174,6 +176,7 @@ type
     FHourOffset: Integer;     {Hours}
     FMinuteOffset: Integer;   {Minutes}
     FSecondOffset: Integer;   {Seconds}
+    FTimeResolution: Integer; {interval of the internal timer, in ms }
     {event variables}
     FOnHourChange: TNotifyEvent;
     FOnMinuteChange: TNotifyEvent;
@@ -208,6 +211,7 @@ type
     procedure SetClockMode(Value: TVpClockMode);
     procedure SetDisplayMode(Value: TVpClockDisplayMode);
     procedure SetMinuteOffset(Value: Integer);
+    procedure SetHold(Value: Boolean);
     procedure SetHourOffset(Value: Integer);
     procedure SetSecondOffset(Value: Integer);
     {internal methods}
@@ -243,6 +247,7 @@ type
     {virtual property methods}
     procedure SetTime(Value: TDateTime); virtual;
     property Active: Boolean read FActive write SetActive;
+    property Hold: Boolean read FHold write SetHold;
     property ClockMode: TVpClockMode read FClockMode write SetClockMode;
     property DigitalOptions: TVpDigitalOptions
       read FDigitalOptions write FDigitalOptions;
@@ -251,6 +256,7 @@ type
     property MinuteOffset: Integer read FMinuteOffset write SetMinuteOffset;
     property HourOffset: Integer read FHourOffset write SetHourOffset;
     property SecondOffset: Integer read FSecondOffset write SetSecondOffset;
+    property TimeResolution: Integer read FTimeResolution write FTimeResolution default 500;
     {events}
     property OnHourChange: TNotifyEvent read FOnHourChange write FOnHourChange;
     property OnMinuteChange: TNotifyEvent read FOnMinuteChange write FOnMinuteChange;
@@ -261,6 +267,12 @@ type
     constructor Create(AOwner: TComponent); override;
     destructor Destroy; override;
     procedure SetBounds(ALeft, ATop, AWidth, AHeight: Integer); override;
+    
+    procedure Start;
+    procedure Stop;
+    procedure Pause;
+    procedure Resume;
+    
     property DisplayMode: TVpClockDisplayMode read FDisplayMode write SetDisplayMode;
     property ElapsedDays: Integer read GetElapsedDays;
     property ElapsedHours: Integer read GetElapsedHours;
@@ -287,6 +299,7 @@ type
     property DigitalOptions;
     property DisplayMode;
     property Hint;
+    property Hold;
     property AnalogOptions;
     property MinuteOffset;
     property ParentColor;
@@ -295,6 +308,7 @@ type
     property SecondOffset;
     property ShowHint;
     property HourOffset;
+    property TimeResolution;
     property Visible;
     {events}
     property OnClick;
@@ -315,8 +329,7 @@ uses
   VpConst, VpMisc;
 
 const
-  ckDToR     = (Pi / 180);
-  ckInterval = 500;
+  ckDToR = (Pi / 180);
 
 
 {===== TVpLEDClockDisplay ===========================================}
@@ -575,12 +588,6 @@ begin
 
   FClockMode := cmClock;
 
- {$IFDEF DELPHI}
-  FTimerPool := TVpTimerPool.Create(self);
- {$ELSE}
-  FTimer := TTimer.Create(self);
- {$ENDIF}
-
   FHandOptions := TVpHandOptions.Create;
   FHandOptions.OnChange := ckHandOptionChange;
   FHandOptions.HourHandColor := clBlack;
@@ -602,9 +609,13 @@ begin
   ckDraw.Width := Width;
   ckDraw.Height := Height;
 
+  FTimeResolution := 500;
+  
  {$IFDEF DELPHI}
+  FTimerPool := TVpTimerPool.Create(self);
   ckClockHandle := -1;
  {$ELSE}
+  FTimer := TTimer.Create(self);
   FTimer.Enabled := false;
  {$ENDIF}
 end;
@@ -720,7 +731,15 @@ var
   C, D: Integer;
   elapsed: TDateTime;
 begin
+  if FHold then
+    exit;
+  
   elapsed := now - FTimeStarted;
+
+  Write('Now: ', FormatDateTime('hh:nn:ss', now), ', Elapsed: ', FormatDateTime('hh:nn:ss', elapsed));
+  Write(' TimeStarted: ', FormatDateTime('hh:nn:ss', FTimeStarted));
+  WriteLn(' CountdownStartTime: ', FormatDateTime('hh:nn:ss', FCountdownStartTime));
+  
   case FClockMode of
     cmClock:
       begin { Clock }
@@ -738,7 +757,7 @@ begin
     cmTimer: { Count-up timer }
       SetTime(elapsed);
     cmCountDownTimer: { Count-down timer }
-      if abs(FCountdownStartTime - elapsed) < 0.1 / SecondsInDay then
+      if elapsed >= FCountdownStartTime then
       begin
         SetTime(0);
         Active := false;
@@ -1222,14 +1241,15 @@ begin
   if Value <> FActive then begin
     FActive := Value;
     if FActive then begin
+      FElapsedTime := 0.0;
       if FDisplayMode = dmDigital then
         FMilitaryTime := DigitalOptions.MilitaryTime;
      {$IFDEF DELPHI}
       if ckClockHandle = -1 then
-        ckClockHandle := FTimerPool.Add(ckTimerEvent, ckInterval);
+        ckClockHandle := FTimerPool.Add(ckTimerEvent, FTimeResolution);
      {$ELSE}
       FTimeStarted := now;
-      FTimer.Interval := ckInterval;
+      FTimer.Interval := FTimeResolution;
       FTimer.Enabled := FActive;
       FTimer.OnTimer := ckTimerEvent;
      {$ENDIF}
@@ -1243,15 +1263,18 @@ begin
       end;
     end
     else
-   {$IFDEF DELPHI}
-    if ckClockHandle > -1 then begin
-      FTimerPool.Remove(ckClockHandle);
-      ckClockHandle := -1;
+    begin
+     {$IFDEF DELPHI}
+      if ckClockHandle > -1 then begin
+        FTimerPool.Remove(ckClockHandle);
+        ckClockHandle := -1;
+      end;
+     {$ELSE}
+      if FTimer.Enabled then
+        FTimer.Enabled := false;
+     {$ENDIF}
+      FHold := false;
     end;
-   {$ELSE}
-    if FTimer.Enabled then
-      FTimer.Enabled := false;
-   {$ENDIF}
     Invalidate;
   end;
 end;
@@ -1443,6 +1466,25 @@ begin
 end;
 {=====}
 
+procedure TVpCustomClock.SetHold(Value: Boolean);
+begin
+  if (Value <> FHold) then
+  begin
+    if FActive then
+    begin
+      FHold := Value;
+      if FHold then
+        FElapsedTime := Now() - FTimeStarted
+      else
+      begin
+        FTimeStarted := Now() - FElapsedTime;
+//        FCountdownTimeStarted := FCountdownTimeStarted - 
+      end;
+    end else
+      FHold := false;
+  end;
+end;
+
 procedure TVpCustomClock.SetHourOffset(Value: Integer);
 begin
   if (Value <> FHourOffset) and (Abs(Value) <= 24) then begin
@@ -1465,6 +1507,26 @@ begin
 end;
 {=====}
 
+procedure TVpCustomClock.Start;
+begin
+  Active := true;
+end;
+
+procedure TVpCustomClock.Stop;
+begin
+  Active := false;
+end;
+
+procedure TVpCustomClock.Pause;
+begin
+  Hold := true;
+end;
+
+procedure TVpCustomClock.Resume;
+begin
+  Hold := false;
+end;
+
 {$IFNDEF LCL}
 procedure TVpCustomClock.WMResize(var Msg: TWMSize);
 {$ELSE}