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preparing wxHtmlWindow for text selection (highlighting works, mouse input and clipboard does not)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20787 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2003-05-31 21:48:50 +00:00
parent f65a786ffd
commit 36c4ff4d65
8 changed files with 186 additions and 63 deletions
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147
src/html/htmlcell.cpp
View File

@@ -29,6 +29,7 @@
#include "wx/html/htmlcell.h" #include "wx/html/htmlcell.h"
#include "wx/html/htmlwin.h" #include "wx/html/htmlwin.h"
#include "wx/settings.h"
#include <stdlib.h> #include <stdlib.h>
@@ -115,11 +116,14 @@ const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED
} }
wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y) const wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y,
unsigned flags) const
{ {
if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height ) if ( (flags & wxHTML_FIND_TERMINAL) &&
x >= 0 && x < m_Width && y >= 0 && y < m_Height )
{
return wxConstCast(this, wxHtmlCell); return wxConstCast(this, wxHtmlCell);
}
return NULL; return NULL;
} }
@@ -137,8 +141,27 @@ wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlWordCell::Draw(wxDC& dc, int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& state)
{ {
if (state.GetSelectionState() == wxHTML_SEL_IN &&
dc.GetBackgroundMode() != wxSOLID)
{
dc.SetBackgroundMode(wxSOLID);
dc.SetTextBackground(
wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
dc.SetTextForeground(
wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
}
else if (state.GetSelectionState() == wxHTML_SEL_OUT &&
dc.GetBackgroundMode() == wxSOLID)
{
dc.SetBackgroundMode(wxTRANSPARENT);
dc.SetTextForeground(state.GetFgColour());
dc.SetTextBackground(state.GetBgColour());
}
dc.DrawText(m_Word, x + m_PosX, y + m_PosY); dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
} }
@@ -401,11 +424,33 @@ void wxHtmlContainerCell::Layout(int w)
m_LastLayout = w; m_LastLayout = w;
} }
void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingState& state,
wxHtmlCell *cell) const
{
wxHtmlSelection *s = state.GetSelection();
if (!s) return;
if (s->GetFromCell() == this || s->GetToCell() == this)
{
state.SetSelectionState(wxHTML_SEL_CHANGING);
}
}
void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingState& state,
wxHtmlCell *cell) const
{
wxHtmlSelection *s = state.GetSelection();
if (!s) return;
if (s->GetFromCell() == this)
state.SetSelectionState(wxHTML_SEL_IN);
else if (s->GetToCell() == this)
state.SetSelectionState(wxHTML_SEL_OUT);
}
#define mMin(a, b) (((a) < (b)) ? (a) : (b)) #define mMin(a, b) (((a) < (b)) ? (a) : (b))
#define mMax(a, b) (((a) < (b)) ? (b) : (a)) #define mMax(a, b) (((a) < (b)) ? (b) : (a))
void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
wxHtmlRenderingState& state)
{ {
// container visible, draw it: // container visible, draw it:
if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1)) if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1))
@@ -437,29 +482,37 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
if (m_Cells) if (m_Cells)
{ {
// draw container's contents:
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
cell->Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2); {
UpdateRenderingStatePre(state, cell);
cell->Draw(dc,
x + m_PosX, y + m_PosY, view_y1, view_y2,
state);
UpdateRenderingStatePost(state, cell);
}
} }
} }
// container invisible, just proceed font+color changing: // container invisible, just proceed font+color changing:
else else
{ {
if (m_Cells) DrawInvisible(dc, x, y, state);
{
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
cell->DrawInvisible(dc, x + m_PosX, y + m_PosY);
}
} }
} }
void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y) void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y,
wxHtmlRenderingState& state)
{ {
if (m_Cells) if (m_Cells)
{ {
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
cell->DrawInvisible(dc, x + m_PosX, y + m_PosY); {
UpdateRenderingStatePre(state, cell);
cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, state);
UpdateRenderingStatePost(state, cell);
}
} }
} }
@@ -560,7 +613,8 @@ const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) co
} }
wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y) const wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y,
unsigned flags) const
{ {
for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
{ {
@@ -570,11 +624,16 @@ wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y) const
if ( (cx <= x) && (cx + cell->GetWidth() > x) && if ( (cx <= x) && (cx + cell->GetWidth() > x) &&
(cy <= y) && (cy + cell->GetHeight() > y) ) (cy <= y) && (cy + cell->GetHeight() > y) )
{ {
return cell->FindCellByPos(x - cx, y - cy); wxHtmlCell *c = cell->FindCellByPos(x - cx, y - cy, flags);
if (c == NULL && (flags & wxHTML_FIND_NONTERMINAL))
return wxConstCast(this, wxHtmlContainerCell);
else
return c;
} }
} }
return NULL; return (flags & wxHTML_FIND_NONTERMINAL) ?
wxConstCast(this, wxHtmlContainerCell) : NULL;
} }
@@ -614,45 +673,54 @@ void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const
//-------------------------------------------------------------------------------- // --------------------------------------------------------------------------
// wxHtmlColourCell // wxHtmlColourCell
//-------------------------------------------------------------------------------- // --------------------------------------------------------------------------
void wxHtmlColourCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlColourCell::Draw(wxDC& dc,
int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& state)
{ {
if (m_Flags & wxHTML_CLR_FOREGROUND) DrawInvisible(dc, x, y, state);
dc.SetTextForeground(m_Colour);
if (m_Flags & wxHTML_CLR_BACKGROUND)
{
dc.SetBackground(wxBrush(m_Colour, wxSOLID));
dc.SetTextBackground(m_Colour);
}
} }
void wxHtmlColourCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y)) void wxHtmlColourCell::DrawInvisible(wxDC& dc,
int WXUNUSED(x), int WXUNUSED(y),
wxHtmlRenderingState& state)
{ {
if (m_Flags & wxHTML_CLR_FOREGROUND) if (m_Flags & wxHTML_CLR_FOREGROUND)
dc.SetTextForeground(m_Colour); {
state.SetFgColour(m_Colour);
if (state.GetSelectionState() != wxHTML_SEL_IN)
dc.SetTextForeground(m_Colour);
}
if (m_Flags & wxHTML_CLR_BACKGROUND) if (m_Flags & wxHTML_CLR_BACKGROUND)
{ {
state.SetBgColour(m_Colour);
if (state.GetSelectionState() != wxHTML_SEL_IN)
dc.SetTextBackground(m_Colour);
dc.SetBackground(wxBrush(m_Colour, wxSOLID)); dc.SetBackground(wxBrush(m_Colour, wxSOLID));
dc.SetTextBackground(m_Colour);
} }
} }
//-------------------------------------------------------------------------------- // ---------------------------------------------------------------------------
// wxHtmlFontCell // wxHtmlFontCell
//-------------------------------------------------------------------------------- // ---------------------------------------------------------------------------
void wxHtmlFontCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlFontCell::Draw(wxDC& dc,
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state))
{ {
dc.SetFont(m_Font); dc.SetFont(m_Font);
} }
void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y)) void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y),
wxHtmlRenderingState& WXUNUSED(state))
{ {
dc.SetFont(m_Font); dc.SetFont(m_Font);
} }
@@ -664,9 +732,9 @@ void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y))
//-------------------------------------------------------------------------------- // ---------------------------------------------------------------------------
// wxHtmlWidgetCell // wxHtmlWidgetCell
//-------------------------------------------------------------------------------- // ---------------------------------------------------------------------------
wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
{ {
@@ -678,7 +746,10 @@ wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
} }
void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state))
{ {
int absx = 0, absy = 0, stx, sty; int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this; wxHtmlCell *c = this;
@@ -696,7 +767,9 @@ void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y)
void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y)) void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
wxHtmlRenderingState& WXUNUSED(state))
{ {
int absx = 0, absy = 0, stx, sty; int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this; wxHtmlCell *c = this;

17
src/html/htmlwin.cpp
View File

@@ -622,6 +622,14 @@ void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
} }
bool wxHtmlWindow::IsSelectionEnabled() const
{
#if wxUSE_CLIPBOARD
return !(m_Style & wxHW_NO_SELECTION);
#else
return false;
#endif
}
void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link) void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
@@ -655,9 +663,16 @@ void wxHtmlWindow::OnDraw(wxDC& dc)
dc.SetBackgroundMode(wxTRANSPARENT); dc.SetBackgroundMode(wxTRANSPARENT);
GetViewStart(&x, &y); GetViewStart(&x, &y);
wxHtmlSelection sel;
sel.Set(wxPoint(20,80),
m_Cell->FindCellByPos(20,80,wxHTML_FIND_TERMINAL|wxHTML_FIND_NONTERMINAL),
wxPoint(200,300),
m_Cell->FindCellByPos(200,300,wxHTML_FIND_TERMINAL|wxHTML_FIND_NONTERMINAL));
wxHtmlRenderingState rstate(IsSelectionEnabled() ? &sel : NULL);
m_Cell->Draw(dc, 0, 0, m_Cell->Draw(dc, 0, 0,
y * wxHTML_SCROLL_STEP + rect.GetTop(), y * wxHTML_SCROLL_STEP + rect.GetTop(),
y * wxHTML_SCROLL_STEP + rect.GetBottom()); y * wxHTML_SCROLL_STEP + rect.GetBottom(),
rstate);
} }

7
src/html/htmprint.cpp
View File

@@ -114,12 +114,13 @@ int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render, int to, in
if (!dont_render) if (!dont_render)
{ {
wxHtmlRenderingState rstate(NULL);
m_DC->SetBrush(*wxWHITE_BRUSH); m_DC->SetBrush(*wxWHITE_BRUSH);
m_DC->SetClippingRegion(x, y, m_Width, hght); m_DC->SetClippingRegion(x, y, m_Width, hght);
m_Cells->Draw(*m_DC, m_Cells->Draw(*m_DC,
x, (y - from), x, (y - from),
y, pbreak + (y /*- from*/)); y, pbreak + (y /*- from*/),
rstate);
m_DC->DestroyClippingRegion(); m_DC->DestroyClippingRegion();
} }

7
src/html/m_hline.cpp
View File

@@ -42,7 +42,8 @@ class wxHtmlLineCell : public wxHtmlCell
{ {
public: public:
wxHtmlLineCell(int size, bool shading) : wxHtmlCell() {m_Height = size; m_HasShading = shading;} wxHtmlLineCell(int size, bool shading) : wxHtmlCell() {m_Height = size; m_HasShading = shading;}
void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
wxHtmlRenderingState& state);
void Layout(int w) void Layout(int w)
{ m_Width = w; wxHtmlCell::Layout(w); } { m_Width = w; wxHtmlCell::Layout(w); }
@@ -52,7 +53,9 @@ class wxHtmlLineCell : public wxHtmlCell
}; };
void wxHtmlLineCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlLineCell::Draw(wxDC& dc, int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state))
{ {
wxBrush mybrush(wxT("GREY"), (m_HasShading) ? wxTRANSPARENT : wxSOLID); wxBrush mybrush(wxT("GREY"), (m_HasShading) ? wxTRANSPARENT : wxSOLID);
wxPen mypen(wxT("GREY"), 1, wxSOLID); wxPen mypen(wxT("GREY"), 1, wxSOLID);

23
src/html/m_image.cpp
View File

@@ -50,11 +50,11 @@ WX_DECLARE_OBJARRAY(int, CoordArray);
WX_DEFINE_OBJARRAY(CoordArray); WX_DEFINE_OBJARRAY(CoordArray);
//-------------------------------------------------------------------------------- // ---------------------------------------------------------------------------
// wxHtmlImageMapAreaCell // wxHtmlImageMapAreaCell
// 0-width, 0-height cell that represents single area in imagemap // 0-width, 0-height cell that represents single area in
// (it's GetLink is called from wxHtmlImageCell's) // imagemap (it's GetLink is called from wxHtmlImageCell's)
//-------------------------------------------------------------------------------- // ---------------------------------------------------------------------------
class wxHtmlImageMapAreaCell : public wxHtmlCell class wxHtmlImageMapAreaCell : public wxHtmlCell
{ {
@@ -67,6 +67,10 @@ class wxHtmlImageMapAreaCell : public wxHtmlCell
public: public:
wxHtmlImageMapAreaCell( celltype t, wxString &coords, double pixel_scale = 1.0); wxHtmlImageMapAreaCell( celltype t, wxString &coords, double pixel_scale = 1.0);
virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const; virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
void Draw(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state)) {}
}; };
@@ -239,6 +243,10 @@ class wxHtmlImageMapCell : public wxHtmlCell
public: public:
virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const; virtual wxHtmlLinkInfo *GetLink( int x = 0, int y = 0 ) const;
virtual const wxHtmlCell *Find( int cond, const void *param ) const; virtual const wxHtmlCell *Find( int cond, const void *param ) const;
void Draw(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state)) {}
}; };
@@ -282,7 +290,8 @@ public:
double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM, double scale = 1.0, int align = wxHTML_ALIGN_BOTTOM,
const wxString& mapname = wxEmptyString); const wxString& mapname = wxEmptyString);
~wxHtmlImageCell(); ~wxHtmlImageCell();
void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
wxHtmlRenderingState& state);
virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const; virtual wxHtmlLinkInfo *GetLink(int x = 0, int y = 0) const;
void SetImage(const wxImage& img); void SetImage(const wxImage& img);
@@ -519,7 +528,9 @@ wxHtmlImageCell::~wxHtmlImageCell()
} }
void wxHtmlImageCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlImageCell::Draw(wxDC& dc, int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state))
{ {
if ( m_showFrame ) if ( m_showFrame )
{ {

12
src/html/m_layout.cpp
View File

@@ -68,12 +68,18 @@ FORCE_LINK_ME(m_layout)
class WXDLLEXPORT wxHtmlPageBreakCell : public wxHtmlCell class WXDLLEXPORT wxHtmlPageBreakCell : public wxHtmlCell
{ {
public: public:
wxHtmlPageBreakCell() {} wxHtmlPageBreakCell() {}
bool AdjustPagebreak(int* pagebreak, int* known_pagebreaks = NULL, int number_of_pages = 0) const; bool AdjustPagebreak(int* pagebreak,
int* known_pagebreaks = NULL,
int number_of_pages = 0) const;
void Draw(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state)) {}
private: private:
DECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell) DECLARE_NO_COPY_CLASS(wxHtmlPageBreakCell)
}; };

29
src/html/m_links.cpp
View File

@@ -32,18 +32,29 @@ FORCE_LINK_ME(m_links)
class wxHtmlAnchorCell : public wxHtmlCell class wxHtmlAnchorCell : public wxHtmlCell
{ {
private: private:
wxString m_AnchorName; wxString m_AnchorName;
public: public:
wxHtmlAnchorCell(const wxString& name) : wxHtmlCell() {m_AnchorName = name;} wxHtmlAnchorCell(const wxString& name) : wxHtmlCell()
virtual const wxHtmlCell* Find(int condition, const void* param) const { m_AnchorName = name; }
void Draw(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state)) {}
virtual const wxHtmlCell* Find(int condition, const void* param) const
{
if ((condition == wxHTML_COND_ISANCHOR) &&
(m_AnchorName == (*((const wxString*)param))))
{ {
if ((condition == wxHTML_COND_ISANCHOR) && (m_AnchorName == (*((const wxString*)param)))) return this;
return this;
else
return wxHtmlCell::Find(condition, param);
} }
else
{
return wxHtmlCell::Find(condition, param);
}
}
}; };

7
src/html/m_list.cpp
View File

@@ -43,7 +43,8 @@ class wxHtmlListmarkCell : public wxHtmlCell
wxBrush m_Brush; wxBrush m_Brush;
public: public:
wxHtmlListmarkCell(wxDC *dc, const wxColour& clr); wxHtmlListmarkCell(wxDC *dc, const wxColour& clr);
void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
wxHtmlRenderingState& state);
}; };
wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxSOLID) wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCell(), m_Brush(clr, wxSOLID)
@@ -55,7 +56,9 @@ wxHtmlListmarkCell::wxHtmlListmarkCell(wxDC* dc, const wxColour& clr) : wxHtmlCe
void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2)) void wxHtmlListmarkCell::Draw(wxDC& dc, int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
wxHtmlRenderingState& WXUNUSED(state))
{ {
dc.SetBrush(m_Brush); dc.SetBrush(m_Brush);
dc.DrawEllipse(x + m_PosX + m_Width / 3, y + m_PosY + m_Height / 3, dc.DrawEllipse(x + m_PosX + m_Width / 3, y + m_PosY + m_Height / 3,