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cocoa: revise word-wrap implementation. switching to automatic resizing on scrollView changing size (that should prevent undesired crashes). Horizontal scroll bar should now be more consistent in its behaviour. #32225

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git-svn-id: trunk@56862 -
This commit is contained in:
dmitry 2017-12-28 05:46:58 +00:00
parent b561f1b752
commit 6001e4b474
1 changed files with 37 additions and 32 deletions
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69
lcl/interfaces/cocoa/cocoawsstdctrls.pp
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@ -164,8 +164,6 @@ type
class function GetScrollView(AWinControl: TWinControl): TCocoaScrollView;
published
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
// WSWinControl functions
class procedure SetBounds(const AWinControl: TWinControl; const ALeft, ATop, AWidth, AHeight: Integer); override;
// WSEdit functions
//class function GetCanUndo(const ACustomEdit: TCustomEdit): Boolean; override;
class function GetCaretPos(const ACustomEdit: TCustomEdit): TPoint; override;
@ -270,6 +268,8 @@ function AllocSecureTextField(ATarget: TWinControl; const AParams: TCreateParams
function GetListBox(AWinControl: TWinControl): TCocoaListBox;
procedure ListBoxSetStyle(list: TCocoaListBox; AStyle: TListBoxStyle);
procedure TextViewSetWordWrap(txt: NSTextView; lScroll: NSScrollView; NewWordWrap: Boolean);
implementation
const
@ -881,6 +881,33 @@ end;
{ TCocoaWSCustomMemo }
procedure TextViewSetWordWrap(txt: NSTextView; lScroll: NSScrollView; NewWordWrap: Boolean);
var
layoutSize: NSSize;
begin
if NewWordWrap then
begin
layoutSize := lScroll.contentSize();
layoutSize := GetNSSize(layoutSize.width, CGFloat_Max);
txt.textContainer.setContainerSize(layoutSize);
txt.textContainer.setWidthTracksTextView(True);
txt.setHorizontallyResizable(false);
txt.setAutoresizingMask(NSViewWidthSizable);
layoutSize.height:=txt.frame.size.height;
txt.setFrameSize(layoutSize);
end
else
begin
txt.textContainer.setWidthTracksTextView(False);
layoutSize := GetNSSize(CGFloat_Max, CGFloat_Max);
txt.textContainer.setContainerSize(layoutSize);
txt.textContainer.setWidthTracksTextView(False);
txt.setHorizontallyResizable(true);
txt.setAutoresizingMask(0);
end;
txt.sizeToFit;
end;
class function TCocoaWSCustomMemo.GetTextView(AWinControl: TWinControl): TCocoaTextView;
var
lScroll: TCocoaScrollView;
@ -922,6 +949,11 @@ begin
nr.size.width:=AParams.Width;
txt := TCocoaTextView.alloc.initwithframe(nr);
// this is necessary for Ward Wrap disabled, so NSViewText
// doesn't have a constraint to resize
// Apple default maxsize is InitialWidth, 10000000
// (MaxSize is also changed automatically, if NSViewText size is changed)
txt.setMaxSize(NSMakeSize(10000000, 10000000));
scr.setDocumentView(txt);
scr.setHasVerticalScroller(VerticalScrollerVisible[TMemo(AWinControl).ScrollBars]);
@ -946,25 +978,11 @@ begin
ns.release;
scr.callback := txt.callback;
TextViewSetWordWrap(txt, scr, TCustomMemo(AWinControl).WordWrap);
Result := TLCLIntfHandle(scr);
end;
class procedure TCocoaWSCustomMemo.SetBounds(const AWinControl: TWinControl; const ALeft, ATop, AWidth, AHeight: Integer);
var
nr: NSRect;
txt: TCocoaTextView;
lScroll: TCocoaScrollView;
begin
TCocoaWSWinControl.SetBounds(AWinControl, ALeft, ATop, AWidth, AHeight);
txt := GetTextView(AWinControl);
lScroll := GetScrollView(AWinControl);
if (not Assigned(txt)) or (not Assigned(lScroll)) then Exit;
nr := lScroll.documentVisibleRect;
txt.setFrame(nr);
end;
class function TCocoaWSCustomMemo.GetCaretPos(const ACustomEdit: TCustomEdit): TPoint;
var
txt: TCocoaTextView;
@ -1062,7 +1080,6 @@ end;
class procedure TCocoaWSCustomMemo.SetWordWrap(const ACustomMemo: TCustomMemo; const NewWordWrap: boolean);
var
layoutSize: NSSize;
txt: TCocoaTextView;
lScroll: TCocoaScrollView;
begin
@ -1070,19 +1087,7 @@ begin
lScroll := GetScrollView(ACustomMemo);
if (not Assigned(txt)) or (not Assigned(lScroll)) then Exit;
if NewWordWrap then
begin
layoutSize := lScroll.contentSize();
layoutSize := GetNSSize(layoutSize.width, CGFloat_Max);
txt.textContainer.setContainerSize(layoutSize);
txt.textContainer.setWidthTracksTextView(True);
end
else
begin
txt.textContainer.setWidthTracksTextView(False);
layoutSize := GetNSSize(CGFloat_Max, CGFloat_Max);
txt.textContainer.setContainerSize(layoutSize);
end;
TextViewSetWordWrap(txt, lScroll, NewWordWrap);
end;
class procedure TCocoaWSCustomMemo.SetText(const AWinControl:TWinControl;const AText:String);