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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit UserInterface.Control.Panel.Split.SingleDimension.Vertical;
interface
uses
Geometry._2d.Integer32.Point,
Geometry._2d.Integer32.Rectangle,
Geometry._2d.Integer32.Size,
Integer._32,
UserInterface.Control,
UserInterface.Control.Panel.Split.SingleDimension,
Windows.Gdi.Cursor;
type
TVerticalSplitPanel = class(TSingleDimensionSplitPanel)
protected
function GetAvailableVisibleSize(): TInteger32; override;
function GetRelevantDimension(const Position: TInteger32Point): TInteger32; override;
function ExtraPanelSize(Index: TInteger32): TInteger32; override;
function MinimalSplitterLocation(Index: TInteger32): TInteger32; override;
function MaximalSplitterLocation(Index: TInteger32): TInteger32; override;
function CalculatePanelBounds(Index: TInteger32): TInteger32Rectangle; override;
function GetSplitCursorForXY(const Position: TInteger32Point): TCursor; override;
function GetSplitterRectangle(Splitter: TInteger32): TInteger32Rectangle; override;
procedure ConfigurePanelResizeWeight(Index: TInteger32; Control: TControl); override;
procedure ConfigurePanelSize(Index: TInteger32; Control: TControl); override;
public
function GetScrollSize(AvailableSize: TInteger32Size): TInteger32Size; override;
function GetPreferredSize(AvailableSize: TInteger32Size): TInteger32Size; override;
end;
implementation
uses
Geometry._2d.Dimension,
Mathematics,
UserInterface.Control.Panel.Split;
{ TVerticalSplitPanel }
procedure TVerticalSplitPanel.ConfigurePanelResizeWeight(Index: TInteger32; Control: TControl);
begin
ConfigurePanelResizeWeightForStyle(Index, Control.Style.Height.Value);
end;
procedure TVerticalSplitPanel.ConfigurePanelSize(Index: TInteger32; Control: TControl);
begin
ConfigurePanelSizeForStyle(Index, Control, T2dDimension.Vertical, Control.Style.Height.Value);
end;
function TVerticalSplitPanel.ExtraPanelSize(Index: TInteger32): TInteger32;
begin
Result := SplitterRadius + 1 + PanelInformations[Index].Grip.Height;
if Index > 0 then
Inc(Result, SplitterRadius);
end;
function TVerticalSplitPanel.GetAvailableVisibleSize(): TInteger32;
begin
Result := GetVisibleRectangle().Height;
end;
function TVerticalSplitPanel.GetRelevantDimension(const Position: TInteger32Point): TInteger32;
begin
Result := Position.Y;
end;
function TVerticalSplitPanel.GetSplitCursorForXY(const Position: TInteger32Point): TCursor;
begin
Result := CursorManager.VerticalSplit;
end;
function TVerticalSplitPanel.GetSplitterRectangle(Splitter: TInteger32): TInteger32Rectangle;
var
Location: TInteger32;
begin
Location := SplitterLocation[Splitter];
Result := TInteger32Rectangle.New(0, Location - SplitterRadius, Width - 1, Location + SplitterRadius);
end;
function TVerticalSplitPanel.MaximalSplitterLocation(Index: TInteger32): TInteger32;
begin
Result := PanelSizes.RunningSize(Index) - MinimalPanelSize;
end;
function TVerticalSplitPanel.MinimalSplitterLocation(Index: TInteger32): TInteger32;
var
MinimalSize: TInteger32;
begin
MinimalSize := MinimalPanelSize + PanelInformations[Index].Grip.Height;
if Index = 0 then
Result := MinimalSize
else
Result := PanelSizes.RunningSize(Index - 1) + MinimalSize;
end;
function TVerticalSplitPanel.CalculatePanelBounds(Index: TInteger32): TInteger32Rectangle;
begin
Result.Left := 0;
Result.Right := Width - 1;
if Index > 0 then
Result.Top := PanelSizes.LowerBound(Index) + SplitterRadius + 1
else
Result.Top := 0;
Result.Bottom := PanelSizes.RunningSize(Index) - SplitterRadius - 1;
end;
function TVerticalSplitPanel.GetPreferredSize(AvailableSize: TInteger32Size): TInteger32Size;
var
i: TInteger32;
begin
Result.Width := 0;
for i := 0 to PanelCount - 1 do
if Panels[i] <> nil then
Result.Width := Maximum(Result.Width, Panels[i].GetPreferredSize(AvailableSize).Width);
if PanelCount > 0 then
Result.Height := PanelSizes.TotalSize + TrailingSize
else
Result.Height := 0;
end;
function TVerticalSplitPanel.GetScrollSize(AvailableSize: TInteger32Size): TInteger32Size;
begin
Result := AvailableSize;
if not GlueLast and (PanelCount > 0) then
Result.Height := Maximum(Result.Height, PanelSizes.TotalSize + TrailingSize);
end;
end.
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