Brummel/MycLib
1
0
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects 1 Releases Wiki Activity

TTicker

Browse Source
This commit is contained in:
Michael Schimmel
2025-07-14 16:44:29 +02:00
parent d0ad547aa3
commit 6f0b927a05
7 changed files with 177 additions and 169 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Src/Myc.Fmx.Chart.pas
+22 -9
View File
@@ -65,8 +65,12 @@ type
protected
function GetOwner: TMycChart; override; final;
// Paint crosshair and other axis related overlays
procedure Paint(const Canvas: TCanvas; const Viewport: TRectF; ViewStartIndex, ViewCount: Int64; IdxAtMousePos: Integer); virtual;
abstract;
procedure Paint(
const Canvas: TCanvas;
const Viewport: TRectF;
ViewStartIndex, ViewCount: Int64;
IdxAtMousePos: Integer
); virtual; abstract;
public
constructor Create(AOwner: TMycChart);
end;
@@ -74,7 +78,12 @@ type
TXAxisLayer = class(TAxisLayer)
protected
// Paint crosshair and time caption
procedure Paint(const Canvas: TCanvas; const Viewport: TRectF; ViewStartIndex, ViewCount: Int64; IdxAtMousePos: Integer); override;
procedure Paint(
const Canvas: TCanvas;
const Viewport: TRectF;
ViewStartIndex, ViewCount: Int64;
IdxAtMousePos: Integer
); override;
// This function delivers the text for the caption.
function GetCaption(Idx: Int64): String; virtual; abstract;
end;
@@ -339,11 +348,11 @@ begin
end;
// Draw crosshair if mouse is in control
if FIsMouseInControl and Assigned(FXAxisSeries) and (FMousePos.Idx >= 0 ) then
if FIsMouseInControl and Assigned(FXAxisSeries) and (FMousePos.Idx >= 0) then
begin
// Do not draw crosshair if mouse is over the jump button
if not FJumpButtonRect.Contains(FMousePos.Point) then
FXAxisSeries.Paint(Self.Canvas, rect, FViewStartIndex, FViewCount, FViewStartIndex + FMousePos.Idx );
FXAxisSeries.Paint(Self.Canvas, rect, FViewStartIndex, FViewCount, FViewStartIndex + FMousePos.Idx);
end;
// --- Draw the "jump to latest" button (code unchanged) ---
@@ -512,7 +521,7 @@ begin
panel2.Weight := (newH2 / (newH1 + newH2)) * twoPanelWeight;
end;
FDragStartPoint := CreateDragPoint( FDragStartPoint.Point.X, Y ); // Update start point for next move
FDragStartPoint := CreateDragPoint(FDragStartPoint.Point.X, Y); // Update start point for next move
Repaint;
exit; // Do not continue with other mouse move logic
end;
@@ -615,7 +624,7 @@ begin
FViewCount := newViewCount;
var oldIdx := FViewStartIndex + FMousePos.Idx;
FMousePos := CreateDragPoint( FMousePos.Point.X, FMousePos.Point.Y );
FMousePos := CreateDragPoint(FMousePos.Point.X, FMousePos.Point.Y);
FViewStartIndex := oldIdx - FMousePos.Idx;
// Clamp start index
@@ -819,8 +828,12 @@ end;
{ TMycChart.TXAxisLayer }
procedure TMycChart.TXAxisLayer.Paint(const Canvas: TCanvas; const Viewport: TRectF; ViewStartIndex, ViewCount: Int64; IdxAtMousePos:
Integer);
procedure TMycChart.TXAxisLayer.Paint(
const Canvas: TCanvas;
const Viewport: TRectF;
ViewStartIndex, ViewCount: Int64;
IdxAtMousePos: Integer
);
var
caption: string;
captionRect: TRectF;