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Add wxDataViewCtrl::ExpandChildren()

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This convenient method allows to expand all children of the item
recursively.

This is directly supported by both native implementations, so it makes
sense to have this in wxDataViewCtrl itself, even if it could be also
(less efficiently) implemented in the user code.
This commit is contained in:
Vadim Zeitlin
2020-12-05 14:41:09 +01:00
parent faffc5fe0a
commit d47fa718cd
15 changed files with 87 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/wx/dataview.h
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@@ -740,6 +740,7 @@ public:
virtual void UnselectAll() = 0;
void Expand( const wxDataViewItem & item );
void ExpandChildren( const wxDataViewItem & item );
void ExpandAncestors( const wxDataViewItem & item );
virtual void Collapse( const wxDataViewItem & item ) = 0;
virtual bool IsExpanded( const wxDataViewItem & item ) const = 0;
@@ -793,7 +794,9 @@ protected:
// Just expand this item assuming it is already shown, i.e. its parent has
// been already expanded using ExpandAncestors().
virtual void DoExpand(const wxDataViewItem & item) = 0;
//
// If expandChildren is true, also expand all its children recursively.
virtual void DoExpand(const wxDataViewItem & item, bool expandChildren) = 0;
private:
// Implementation of the public Set/GetCurrentItem() methods which are only

2
include/wx/generic/dataview.h
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@@ -364,7 +364,7 @@ private:
virtual wxDataViewItem DoGetCurrentItem() const wxOVERRIDE;
virtual void DoSetCurrentItem(const wxDataViewItem& item) wxOVERRIDE;
virtual void DoExpand(const wxDataViewItem& item) wxOVERRIDE;
virtual void DoExpand(const wxDataViewItem& item, bool expandChildren) wxOVERRIDE;
void InvalidateColBestWidths();
void InvalidateColBestWidth(int idx);

2
include/wx/gtk/dataview.h
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@@ -218,7 +218,7 @@ protected:
virtual void DoSetExpanderColumn() wxOVERRIDE;
virtual void DoSetIndent() wxOVERRIDE;
virtual void DoExpand(const wxDataViewItem& item) wxOVERRIDE;
virtual void DoExpand(const wxDataViewItem& item, bool expandChildren) wxOVERRIDE;
virtual void DoApplyWidgetStyle(GtkRcStyle *style) wxOVERRIDE;
virtual GdkWindow* GTKGetWindow(wxArrayGdkWindows& windows) const wxOVERRIDE;

2
include/wx/osx/cocoa/dataview.h
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@@ -530,7 +530,7 @@ public:
//
virtual void DoSetIndent(int indent);
virtual void DoExpand(const wxDataViewItem& item);
virtual void DoExpand(const wxDataViewItem& item, bool expandChildren);
virtual void HitTest(const wxPoint& point,
wxDataViewItem& item,

2
include/wx/osx/core/dataview.h
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@@ -105,7 +105,7 @@ public:
// other methods
//
virtual void DoSetIndent (int indent) = 0; // sets the indentation in the native control
virtual void DoExpand (wxDataViewItem const& item) = 0; // expands the passed item in the native control
virtual void DoExpand (wxDataViewItem const& item, bool expandChildren) = 0; // expands the passed item in the native control
virtual void HitTest (wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const = 0; // return the item and column pointer that contains with the passed point
virtual void SetRowHeight(int height) = 0; // sets the height of all rows

2
include/wx/osx/dataview.h
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@@ -276,7 +276,7 @@ protected:
virtual void DoSetExpanderColumn() wxOVERRIDE;
virtual void DoSetIndent() wxOVERRIDE;
virtual void DoExpand(const wxDataViewItem& item) wxOVERRIDE;
virtual void DoExpand(const wxDataViewItem& item, bool expandChildren) wxOVERRIDE;
virtual wxSize DoGetBestSize() const wxOVERRIDE;

2
include/wx/qt/dataview.h
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@@ -131,7 +131,7 @@ public:
protected:
virtual void DoSetExpanderColumn();
virtual void DoSetIndent();
virtual void DoExpand( const wxDataViewItem & item );
virtual void DoExpand( const wxDataViewItem & item, bool expandChildren );
private:
virtual wxDataViewItem DoGetCurrentItem() const;