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wxTreeCtrl has colours and fonts too now

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4839 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-12-06 13:18:14 +00:00
parent 70846f0a79
commit 9ec64fa758
10 changed files with 297 additions and 191 deletions
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265
src/generic/treectrl.cpp
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@@ -61,106 +61,121 @@ static const int NO_IMAGE = -1;
class WXDLLEXPORT wxGenericTreeItem
{
public:
// ctors & dtor
wxGenericTreeItem() { m_data = NULL; }
wxGenericTreeItem( wxGenericTreeItem *parent,
const wxString& text,
wxDC& dc,
int image, int selImage,
wxTreeItemData *data );
// ctors & dtor
wxGenericTreeItem() { m_data = NULL; }
wxGenericTreeItem( wxGenericTreeItem *parent,
const wxString& text,
wxDC& dc,
int image, int selImage,
wxTreeItemData *data );
~wxGenericTreeItem();
~wxGenericTreeItem();
// trivial accessors
wxArrayGenericTreeItems& GetChildren() { return m_children; }
// trivial accessors
wxArrayGenericTreeItems& GetChildren() { return m_children; }
const wxString& GetText() const { return m_text; }
int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
const wxString& GetText() const { return m_text; }
int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
{ return m_images[which]; }
wxTreeItemData *GetData() const { return m_data; }
wxTreeItemData *GetData() const { return m_data; }
// returns the current image for the item (depending on its
// selected/expanded/whatever state)
int GetCurrentImage() const;
// returns the current image for the item (depending on its
// selected/expanded/whatever state)
int GetCurrentImage() const;
void SetText( const wxString &text );
void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
void SetData(wxTreeItemData *data) { m_data = data; }
void SetText( const wxString &text );
void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
void SetData(wxTreeItemData *data) { m_data = data; }
void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
void SetBold(bool bold) { m_isBold = bold; }
void SetBold(bool bold) { m_isBold = bold; }
int GetX() const { return m_x; }
int GetY() const { return m_y; }
int GetX() const { return m_x; }
int GetY() const { return m_y; }
void SetX(int x) { m_x = x; }
void SetY(int y) { m_y = y; }
void SetX(int x) { m_x = x; }
void SetY(int y) { m_y = y; }
int GetHeight() const { return m_height; }
int GetWidth() const { return m_width; }
int GetHeight() const { return m_height; }
int GetWidth() const { return m_width; }
void SetHeight(int h) { m_height = h; }
void SetWidth(int w) { m_width = w; }
void SetHeight(int h) { m_height = h; }
void SetWidth(int w) { m_width = w; }
wxGenericTreeItem *GetParent() const { return m_parent; }
wxGenericTreeItem *GetParent() const { return m_parent; }
// operations
// deletes all children notifying the treectrl about it if !NULL pointer
// given
void DeleteChildren(wxTreeCtrl *tree = NULL);
// FIXME don't know what is it for
void Reset();
// operations
// deletes all children notifying the treectrl about it if !NULL
// pointer given
void DeleteChildren(wxTreeCtrl *tree = NULL);
// FIXME don't know what is it for
void Reset();
// get count of all children (and grand children if 'recursively')
size_t GetChildrenCount(bool recursively = TRUE) const;
// get count of all children (and grand children if 'recursively')
size_t GetChildrenCount(bool recursively = TRUE) const;
void Insert(wxGenericTreeItem *child, size_t index)
void Insert(wxGenericTreeItem *child, size_t index)
{ m_children.Insert(child, index); }
void SetCross( int x, int y );
void GetSize( int &x, int &y, const wxTreeCtrl* );
void SetCross( int x, int y );
void GetSize( int &x, int &y, const wxTreeCtrl* );
// return the item at given position (or NULL if no item), onButton is TRUE
// if the point belongs to the item's button, otherwise it lies on the
// button's label
wxGenericTreeItem *HitTest( const wxPoint& point, const wxTreeCtrl *, int &flags);
// return the item at given position (or NULL if no item), onButton is
// TRUE if the point belongs to the item's button, otherwise it lies
// on the button's label
wxGenericTreeItem *HitTest( const wxPoint& point, const wxTreeCtrl *, int &flags);
void Expand() { m_isCollapsed = FALSE; }
void Collapse() { m_isCollapsed = TRUE; }
void Expand() { m_isCollapsed = FALSE; }
void Collapse() { m_isCollapsed = TRUE; }
void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
// status inquiries
bool HasChildren() const { return !m_children.IsEmpty(); }
bool IsSelected() const { return m_hasHilight; }
bool IsExpanded() const { return !m_isCollapsed; }
bool HasPlus() const { return m_hasPlus || HasChildren(); }
bool IsBold() const { return m_isBold; }
// status inquiries
bool HasChildren() const { return !m_children.IsEmpty(); }
bool IsSelected() const { return m_hasHilight; }
bool IsExpanded() const { return !m_isCollapsed; }
bool HasPlus() const { return m_hasPlus || HasChildren(); }
bool IsBold() const { return m_isBold; }
// attributes
// get them - may be NULL
wxTreeItemAttr *GetAttributes() const { return m_attr; }
// get them ensuring that the pointer is not NULL
wxTreeItemAttr& Attr()
{
if ( !m_attr )
m_attr = new wxTreeItemAttr;
return *m_attr;
}
private:
wxString m_text;
wxString m_text;
// tree ctrl images for the normal, selected, expanded and expanded+selected
// states
int m_images[wxTreeItemIcon_Max];
// tree ctrl images for the normal, selected, expanded and
// expanded+selected states
int m_images[wxTreeItemIcon_Max];
wxTreeItemData *m_data;
wxTreeItemData *m_data;
// use bitfields to save size
int m_isCollapsed :1;
int m_hasHilight :1; // same as focused
int m_hasPlus :1; // used for item which doesn't have
// children but still has a [+] button
int m_isBold :1; // render the label in bold font
// use bitfields to save size
int m_isCollapsed :1;
int m_hasHilight :1; // same as focused
int m_hasPlus :1; // used for item which doesn't have
// children but has a [+] button
int m_isBold :1; // render the label in bold font
int m_x, m_y;
long m_height, m_width;
int m_xCross, m_yCross;
int m_level;
wxArrayGenericTreeItems m_children;
wxGenericTreeItem *m_parent;
int m_x, m_y;
long m_height, m_width;
int m_xCross, m_yCross;
int m_level;
wxArrayGenericTreeItems m_children;
wxGenericTreeItem *m_parent;
wxTreeItemAttr *m_attr;
};
// =============================================================================
@@ -281,6 +296,8 @@ wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
m_parent = parent;
m_attr = (wxTreeItemAttr *)NULL;
dc.GetTextExtent( m_text, &m_width, &m_height );
// TODO : Add the width of the image
// PB : We don't know which image is shown (image, selImage)
@@ -292,6 +309,8 @@ wxGenericTreeItem::~wxGenericTreeItem()
{
delete m_data;
delete m_attr;
wxASSERT_MSG( m_children.IsEmpty(),
wxT("please call DeleteChildren() before deleting the item") );
}
@@ -659,15 +678,44 @@ void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
// avoid redrawing the tree if no real change
wxGenericTreeItem *pItem = item.m_pItem;
if ( pItem->IsBold() != bold )
{
pItem->SetBold(bold);
// avoid redrawing the tree if no real change
wxGenericTreeItem *pItem = item.m_pItem;
if ( pItem->IsBold() != bold )
{
pItem->SetBold(bold);
RefreshLine(pItem);
}
}
void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
const wxColour& col)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxGenericTreeItem *pItem = item.m_pItem;
pItem->Attr().SetTextColour(col);
RefreshLine(pItem);
}
void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
const wxColour& col)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxGenericTreeItem *pItem = item.m_pItem;
pItem->Attr().SetBackgroundColour(col);
RefreshLine(pItem);
}
void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxGenericTreeItem *pItem = item.m_pItem;
pItem->Attr().SetFont(font);
RefreshLine(pItem);
}
}
// -----------------------------------------------------------------------------
@@ -1409,7 +1457,10 @@ int wxTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const
void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
{
if (item->IsBold())
wxTreeItemAttr *attr = item->GetAttributes();
if ( attr && attr->HasFont() )
dc.SetFont(attr->GetFont());
else if (item->IsBold())
dc.SetFont(m_boldFont);
long text_w = 0;
@@ -1439,7 +1490,10 @@ void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
dc.DestroyClippingRegion();
}
dc.SetBackgroundMode(wxTRANSPARENT);
bool hasBgCol = attr && attr->HasBackgroundColour();
dc.SetBackgroundMode(hasBgCol ? wxSOLID : wxTRANSPARENT);
if ( hasBgCol )
dc.SetTextBackground(attr->GetBackgroundColour());
dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY()
+ ((total_h > text_h) ? (total_h - text_h)/2 : 0));
@@ -1488,32 +1542,43 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &
dc.SetPen( m_dottedPen );
}
if (item->IsSelected())
wxPen *pen = wxTRANSPARENT_PEN;
wxBrush *brush; // FIXME is this really needed?
wxColour colText;
if ( item->IsSelected() )
{
dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT );
dc.SetBrush( *m_hilightBrush );
brush = m_hilightBrush;
if (m_hasFocus)
dc.SetPen( *wxBLACK_PEN );
else
dc.SetPen( *wxTRANSPARENT_PEN );
if ( m_hasFocus )
pen = wxBLACK_PEN;
PaintItem(item, dc);
dc.SetPen( m_dottedPen );
dc.SetTextForeground( *wxBLACK );
dc.SetBrush( *wxWHITE_BRUSH );
}
else
{
dc.SetBrush( *wxWHITE_BRUSH );
dc.SetPen( *wxTRANSPARENT_PEN );
wxTreeItemAttr *attr = item->GetAttributes();
if ( attr && attr->HasTextColour() )
colText = attr->GetTextColour();
else
colText = *wxBLACK;
PaintItem(item, dc);
dc.SetPen( m_dottedPen );
brush = wxWHITE_BRUSH;
}
// prepare to draw
dc.SetTextForeground(colText);
dc.SetPen(*pen);
dc.SetBrush(*brush);
// draw
PaintItem(item, dc);
// restore DC objects
dc.SetBrush( *wxWHITE_BRUSH );
dc.SetPen( m_dottedPen );
dc.SetTextForeground( *wxBLACK );
}
y = oldY+GetLineHeight(item);
@@ -1521,7 +1586,7 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &
if (item->IsExpanded())
{
oldY+=GetLineHeight(item)/2;
int semiOldY=y; // (=y) for stupid compilator
int semiOldY=0;
wxArrayGenericTreeItems& children = item->GetChildren();
size_t n, count = children.Count();
@@ -1535,10 +1600,10 @@ void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &
// delete all its children for example) - don't draw the vertical line
// in this case
if (count > 0)
{
{
semiOldY+=GetLineHeight(children[--n])/2;
dc.DrawLine( horizX+m_indent, oldY+5, horizX+m_indent, semiOldY );
}
}
}
}