diff options
Diffstat (limited to 'gui/fpguiscrollbox.inc')
| -rw-r--r-- | gui/fpguiscrollbox.inc | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/gui/fpguiscrollbox.inc b/gui/fpguiscrollbox.inc index dc4782c9..81ce48db 100644 --- a/gui/fpguiscrollbox.inc +++ b/gui/fpguiscrollbox.inc @@ -22,19 +22,19 @@ TScrollingSupport = class private - Parent: TWidget; + Parent: TFWidget; FBorders: TRect; FClientRect: TRect; FVirtualSize: TSize; - FHorzScrollBar, FVertScrollBar: TScrollBar; + FHorzScrollBar, FVerTFScrollBar: TFScrollBar; FOnClientRectChange: TNotifyEvent; function EvMouseWheel(Event: TMouseWheelEventObj): Boolean; public - constructor Create(AParent: TWidget); + constructor Create(AParent: TFWidget); destructor Destroy; override; function ProcessEvent(Event: TEventObj): Boolean; function DistributeEvent(Event: TEventObj): Boolean; - function SendToChild(AChild: TWidget; Event: TEventObj): Boolean; + function SendToChild(AChild: TFWidget; Event: TEventObj): Boolean; procedure CalcSizes; procedure Resized; function CalcClientSize(AHorzBarVisible, AVertBarVisible: Boolean): TSize; @@ -44,13 +44,13 @@ procedure DefVertScrollHandler(Sender: TObject; var APosition: Integer); property Borders: TRect read FBorders; property ClientRect: TRect read FClientRect; - property HorzScrollBar: TScrollBar read FHorzScrollBar; - property VertScrollBar: TScrollBar read FVertScrollBar; + property HorzScrollBar: TFScrollBar read FHorzScrollBar; + property VerTFScrollBar: TFScrollBar read FVerTFScrollBar; property OnClientRectChange: TNotifyEvent read FOnClientRectChange write FOnClientRectChange; end; - TCustomScrollBox = class(TWidget) + TFCustomScrollBox = class(TFWidget) protected ScrollingSupport: TScrollingSupport; procedure Paint(Canvas: TFCanvas); override; @@ -65,7 +65,7 @@ end; - TScrollBox = class(TCustomScrollBox) + TFScrollBox = class(TFCustomScrollBox) end; {$ENDIF read_interface} @@ -78,20 +78,20 @@ // TScrollingSupport // =================================================================== -constructor TScrollingSupport.Create(AParent: TWidget); +constructor TScrollingSupport.Create(AParent: TFWidget); begin Parent := AParent; - FHorzScrollBar := TScrollBar.Create(Parent); + FHorzScrollBar := TFScrollBar.Create(Parent); HorzScrollBar.Name := '#Scrolling_HorzBar'; HorzScrollBar.Embedded := True; HorzScrollBar.SetEmbeddedParent(Parent); - FVertScrollBar := TScrollBar.Create(Parent); - VertScrollBar.Name := '#Scrolling_VertBar'; - VertScrollBar.Orientation := Vertical; - VertScrollBar.Embedded := True; - VertScrollBar.SetEmbeddedParent(Parent); + FVerTFScrollBar := TFScrollBar.Create(Parent); + VerTFScrollBar.Name := '#Scrolling_VertBar'; + VerTFScrollBar.Orientation := Vertical; + VerTFScrollBar.Embedded := True; + VerTFScrollBar.SetEmbeddedParent(Parent); end; destructor TScrollingSupport.Destroy; @@ -101,7 +101,7 @@ end; function TScrollingSupport.ProcessEvent(Event: TEventObj): Boolean; var - HorzScrollBarHeight, VertScrollBarWidth: Integer; + HorzScrollBarHeight, VerTFScrollBarWidth: Integer; Canvas: TFCanvas; begin if Event.InheritsFrom(TPaintEventObj) then @@ -111,16 +111,16 @@ begin else HorzScrollBarHeight := 0; - if VertScrollBar.Visible then - VertScrollBarWidth := VertScrollBar.MinSize.cx + if VerTFScrollBar.Visible then + VerTFScrollBarWidth := VerTFScrollBar.MinSize.cx else - VertScrollBarWidth := 0; + VerTFScrollBarWidth := 0; Canvas := TPaintEventObj(Event).Canvas; Parent.Style.DrawScrollBoxBorder(Canvas, Rect(0, 0, Parent.Width, Parent.Height)); - Parent.Style.DrawWindowBackground(Canvas, Rect(VertScrollBar.Left, - HorzScrollBar.Top, VertScrollBar.Left + VertScrollBarWidth, + Parent.Style.DrawWindowBackground(Canvas, Rect(VerTFScrollBar.Left, + HorzScrollBar.Top, VerTFScrollBar.Left + VerTFScrollBarWidth, HorzScrollBar.Top + HorzScrollBarHeight)); Result := False; end else if Event.InheritsFrom(TMouseWheelEventObj) then @@ -132,10 +132,10 @@ end; function TScrollingSupport.DistributeEvent(Event: TEventObj): Boolean; begin Result := Event.SendToChild(HorzScrollBar) or - Event.SendToChild(VertScrollBar); + Event.SendToChild(VerTFScrollBar); end; -function TScrollingSupport.SendToChild(AChild: TWidget; +function TScrollingSupport.SendToChild(AChild: TFWidget; Event: TEventObj): Boolean; var Canvas: TFCanvas; @@ -146,7 +146,7 @@ begin Canvas := TPaintEventObj(Event).Canvas; OldMatrix := Canvas.Matrix; Canvas.AppendTranslation(Point(ClientRect.Left - HorzScrollBar.Position, - ClientRect.Top - VertScrollBar.Position)); + ClientRect.Top - VerTFScrollBar.Position)); Result := Event.SendToChild(AChild); Canvas.Matrix := OldMatrix; end else if Event.InheritsFrom(TPaintEventObj) then @@ -155,7 +155,7 @@ begin Canvas.SaveState; try Canvas.AppendTranslation(Point(-HorzScrollBar.Position, - -VertScrollBar.Position)); + -VerTFScrollBar.Position)); if Canvas.IntersectClipRect(ClientRect) {and Canvas.IntersectClipRect( Rect(AChild.Left + ClientRect.Left, AChild.Top + ClientRect.Top, AChild.Left + AChild.Width + ClientRect.Left, @@ -181,16 +181,16 @@ begin FBorders := Parent.Style.GetScrollBoxBorders; with Parent, Borders do begin - FMinSize := HorzScrollBar.MinSize + VertScrollBar.MinSize + + FMinSize := HorzScrollBar.MinSize + VerTFScrollBar.MinSize + TopLeft + BottomRight; - FDefSize := HorzScrollBar.DefSize + VertScrollBar.DefSize + + FDefSize := HorzScrollBar.DefSize + VerTFScrollBar.DefSize + TopLeft + BottomRight; end; end; procedure TScrollingSupport.Resized; var - HorzScrollBarHeight, VertScrollBarWidth: Integer; + HorzScrollBarHeight, VerTFScrollBarWidth: Integer; procedure CalcScrollBarSizes; begin @@ -199,10 +199,10 @@ var else HorzScrollBarHeight := 0; - if VertScrollBar.Visible then - VertScrollBarWidth := VertScrollBar.MinSize.cx + if VerTFScrollBar.Visible then + VerTFScrollBarWidth := VerTFScrollBar.MinSize.cx else - VertScrollBarWidth := 0; + VerTFScrollBarWidth := 0; end; var @@ -211,14 +211,14 @@ var LastHorzBarVisible, LastVertBarVisible: Boolean; begin HorzBarVisible := HorzScrollBar.Visible; - VertBarVisible := VertScrollBar.Visible; + VertBarVisible := VerTFScrollBar.Visible; LastHorzBarVisible := not HorzBarVisible; if FVirtualSize <> gfxbase.Size(0, 0) then with gfxbase.Size(ClientRect) do begin HorzScrollBar.PageSize := cx; - VertScrollBar.PageSize := cy; + VerTFScrollBar.PageSize := cy; end; FBorders := Parent.Style.GetScrollBoxBorders; @@ -232,22 +232,22 @@ begin CalcScrollBarSizes; HorzScrollBar.SetBounds( Point(Left, Parent.Height - HorzScrollBar.MinSize.cy - Bottom), - gfxbase.Size(Parent.Width - VertScrollBarWidth - Left - Right, + gfxbase.Size(Parent.Width - VerTFScrollBarWidth - Left - Right, HorzScrollBar.MinSize.cy)); - VertScrollBar.SetBounds( - Point(Parent.Width - VertScrollBar.MinSize.cx - Right, Top), - gfxbase.Size(VertScrollBar.MinSize.cx, + VerTFScrollBar.SetBounds( + Point(Parent.Width - VerTFScrollBar.MinSize.cx - Right, Top), + gfxbase.Size(VerTFScrollBar.MinSize.cx, Parent.Height - HorzScrollBarHeight - Top - Bottom)); ClientRect.Left := Left; ClientRect.Top := Top; - ClientRect.Right := Parent.Width - Right - VertScrollBarWidth; + ClientRect.Right := Parent.Width - Right - VerTFScrollBarWidth; ClientRect.Bottom := Parent.Height - Bottom - HorzScrollBarHeight; if Assigned(OnClientRectChange) then OnClientRectChange(Self); HorzBarVisible := HorzScrollBar.Visible; - VertBarVisible := VertScrollBar.Visible; + VertBarVisible := VerTFScrollBar.Visible; end; end; end; @@ -258,7 +258,7 @@ begin FBorders := Parent.Style.GetScrollBoxBorders; Result := Parent.BoundsSize - Borders.TopLeft - Borders.BottomRight; if AVertBarVisible then - Dec(Result.cx, VertScrollBar.MinSize.cx); + Dec(Result.cx, VerTFScrollBar.MinSize.cx); if AHorzBarVisible then Dec(Result.cy, HorzScrollBar.MinSize.cy); end; @@ -267,13 +267,13 @@ procedure TScrollingSupport.SetVirtualSize(const ASize: TSize); begin FVirtualSize := ASize; HorzScrollBar.Max := FVirtualSize.cx; - VertScrollBar.Max := FVirtualSize.cy; + VerTFScrollBar.Max := FVirtualSize.cy; end; function TScrollingSupport.ScrollPos: TPoint; begin Result.x := HorzScrollBar.Position; - Result.y := VertScrollBar.Position; + Result.y := VerTFScrollBar.Position; end; procedure TScrollingSupport.DefHorzScrollHandler(Sender: TObject; @@ -297,7 +297,7 @@ var Delta: Integer; r: TRect; begin - Delta := VertScrollBar.Position - APosition; + Delta := VerTFScrollBar.Position - APosition; r := ClientRect; if Delta < 0 then // Scrolling downwards Dec(r.Top, Delta) @@ -316,24 +316,24 @@ begin mshift := Event.Shift * [ssShift, ssAlt, ssCtrl, ssMeta, ssSuper, ssHyper, ssAltGr]; - if not VertScrollBar.Visible then + if not VerTFScrollBar.Visible then Include(mshift, ssShift); if mshift = [] then - VertScrollBar.Position := VertScrollBar.Position + - Round(Event.WheelDelta * VertScrollBar.SmallChange) + VerTFScrollBar.Position := VerTFScrollBar.Position + + Round(Event.WheelDelta * VerTFScrollBar.SmallChange) else if mshift = [ssShift] then HorzScrollBar.Position := HorzScrollBar.Position + - Round(Event.WheelDelta * VertScrollBar.SmallChange); + Round(Event.WheelDelta * VerTFScrollBar.SmallChange); Result := True; end; // =================================================================== -// TCustomScrollBox +// TFCustomScrollBox // =================================================================== -constructor TCustomScrollBox.Create(AOwner: TComponent); +constructor TFCustomScrollBox.Create(AOwner: TComponent); begin inherited Create(AOwner); WidgetStyle := WidgetStyle + [wsClickable, wsOpaque]; @@ -342,7 +342,7 @@ begin ScrollingSupport := TScrollingSupport.Create(Self); end; -destructor TCustomScrollBox.Destroy; +destructor TFCustomScrollBox.Destroy; begin ScrollingSupport.Free; inherited Destroy; @@ -351,39 +351,39 @@ end; // Protected methods -procedure TCustomScrollBox.Paint(Canvas: TFCanvas); +procedure TFCustomScrollBox.Paint(Canvas: TFCanvas); begin Assert(Canvas = Canvas); { Style.DrawWindowBackground(Canvas, Rect(HorzScrollBar.Left, - VertScrollBar.Top, HorzScrollBar.Left + HorzScrollBar.Width, - VertScrollBar.Top + VertScrollBar.Height));} + VerTFScrollBar.Top, HorzScrollBar.Left + HorzScrollBar.Width, + VerTFScrollBar.Top + VerTFScrollBar.Height));} end; -function TCustomScrollBox.ProcessEvent(Event: TEventObj): Boolean; +function TFCustomScrollBox.ProcessEvent(Event: TEventObj): Boolean; begin Result := ScrollingSupport.ProcessEvent(Event) or inherited ProcessEvent(Event); end; -function TCustomScrollBox.DistributeEvent(Event: TEventObj): Boolean; +function TFCustomScrollBox.DistributeEvent(Event: TEventObj): Boolean; begin Result := ScrollingSupport.DistributeEvent(Event) or inherited DistributeEvent(Event); end; -procedure TCustomScrollBox.CalcSizes; +procedure TFCustomScrollBox.CalcSizes; begin ScrollingSupport.CalcSizes; end; -procedure TCustomScrollBox.Resized; +procedure TFCustomScrollBox.Resized; begin ScrollingSupport.Resized; end; { !!!: Move to TScrollingSupport as soon as this is a real event -procedure TCustomScrollBox.EvKeyPressed(Key: Word; Shift: TShiftState); +procedure TFCustomScrollBox.EvKeyPressed(Key: Word; Shift: TShiftState); var mshift: TShiftState; begin @@ -395,17 +395,17 @@ begin keyRight: HorzScrollBar.ButtonDownClick(nil); keyUp: - VertScrollBar.ButtonUpClick(nil); + VerTFScrollBar.ButtonUpClick(nil); keyDown: - VertScrollBar.ButtonDownClick(nil); + VerTFScrollBar.ButtonDownClick(nil); keyPageUp: - VertScrollBar.PageUp; + VerTFScrollBar.PageUp; keyPageDown: - VertScrollBar.PageDown; + VerTFScrollBar.PageDown; keyHome: - VertScrollBar.Position := 0; + VerTFScrollBar.Position := 0; keyEnd: - VertScrollBar.Position := VertScrollBar.Max - VertScrollBar.PageSize; + VerTFScrollBar.Position := VerTFScrollBar.Max - VerTFScrollBar.PageSize; end else if mshift = [ssShift] then case Key of |