#include "wx/settings.h"
#include <stdlib.h>
+//-----------------------------------------------------------------------------
+// Helper classes
+//-----------------------------------------------------------------------------
+
+void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
+ const wxPoint& toPos, const wxHtmlCell *toCell)
+{
+ m_fromCell = fromCell;
+ m_toCell = toCell;
+ m_fromPos = fromPos;
+ m_toPos = toPos;
+}
+
+void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell)
+{
+ wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition;
+ wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition;
+ if ( toCell )
+ {
+ p2.x += toCell->GetWidth()-1;
+ p2.y += toCell->GetHeight()-1;
+ }
+ Set(p1, fromCell, p2, toCell);
+}
+
+wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextColour(
+ const wxColour& clr)
+{
+ return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+}
+
+wxColour wxDefaultHtmlRenderingStyle::GetSelectedTextBgColour(
+ const wxColour& WXUNUSED(clr))
+{
+ return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
+}
+
//-----------------------------------------------------------------------------
// wxHtmlCell
}
return p;
}
+
+unsigned wxHtmlCell::GetDepth() const
+{
+ unsigned d = 0;
+ for (wxHtmlCell *p = m_Parent; p; p = p->m_Parent)
+ d++;
+ return d;
+}
+
+bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const
+{
+ const wxHtmlCell *c1 = this;
+ const wxHtmlCell *c2 = cell;
+ unsigned d1 = GetDepth();
+ unsigned d2 = cell->GetDepth();
+
+ if ( d1 > d2 )
+ for (; d1 != d2; d1-- )
+ c1 = c1->m_Parent;
+ else if ( d1 < d2 )
+ for (; d1 != d2; d2-- )
+ c2 = c2->m_Parent;
+
+ if ( cell == this )
+ return true;
+
+ while ( c1 && c2 )
+ {
+ if ( c1->m_Parent == c2->m_Parent )
+ {
+ while ( c1 )
+ {
+ if ( c1 == c2 )
+ return true;
+ c1 = c1->GetNext();
+ }
+ return false;
+ }
+ else
+ {
+ c1 = c1->m_Parent;
+ c2 = c2->m_Parent;
+ }
+ }
+
+ wxFAIL_MSG(_T("Cells are in different trees"));
+ return false;
+}
//-----------------------------------------------------------------------------
}
+// Splits m_Word into up to three parts according to selection, returns
+// substring before, in and after selection and the points (in relative coords)
+// where s2 and s3 start:
+void wxHtmlWordCell::Split(wxDC& dc,
+ const wxPoint& selFrom, const wxPoint& selTo,
+ unsigned& pos1, unsigned& pos2) const
+{
+ wxPoint pt1 = (selFrom == wxDefaultPosition) ?
+ wxDefaultPosition : selFrom - GetAbsPos();
+ wxPoint pt2 = (selTo == wxDefaultPosition) ?
+ wxPoint(m_Width, -1) : selTo - GetAbsPos();
+
+ wxCoord charW, charH;
+ unsigned len = m_Word.length();
+ unsigned i = 0;
+ pos1 = 0;
+
+ // before selection:
+ while ( pt1.x > 0 && i < len )
+ {
+ dc.GetTextExtent(m_Word[i], &charW, &charH);
+ pt1.x -= charW;
+ if ( pt1.x >= 0 )
+ {
+ pos1 += charW;
+ i++;
+ }
+ }
-void wxHtmlWordCell::Draw(wxDC& dc, int x, int y,
- int WXUNUSED(view_y1), int WXUNUSED(view_y2),
- wxHtmlRenderingState& state)
+ // in selection:
+ unsigned j = i;
+ pos2 = pos1;
+ pt2.x -= pos2;
+ while ( pt2.x > 0 && j < len )
+ {
+ dc.GetTextExtent(m_Word[j], &charW, &charH);
+ pt2.x -= charW;
+ if ( pt2.x >= 0 )
+ {
+ pos2 += charW;
+ j++;
+ }
+ }
+
+ pos1 = i;
+ pos2 = j;
+}
+
+void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const
{
- if (state.GetSelectionState() != wxHTML_SEL_OUT &&
- dc.GetBackgroundMode() != wxSOLID)
+ unsigned p1, p2;
+
+ Split(dc,
+ this == s->GetFromCell() ? s->GetFromPos() : wxDefaultPosition,
+ this == s->GetToCell() ? s->GetToPos() : wxDefaultPosition,
+ p1, p2);
+
+ wxPoint p(0, m_Word.length());
+
+ if ( this == s->GetFromCell() )
+ p.x = p1; // selection starts here
+ if ( this == s->GetToCell() )
+ p.y = p2; // selection ends here
+
+ if ( this == s->GetFromCell() )
+ s->SetFromPrivPos(p);
+ if ( this == s->GetToCell() )
+ s->SetToPrivPos(p);
+}
+
+
+static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info,
+ bool toSelection)
+{
+ wxColour fg = info.GetState().GetFgColour();
+ wxColour bg = info.GetState().GetBgColour();
+
+ if ( toSelection )
{
dc.SetBackgroundMode(wxSOLID);
- dc.SetTextBackground(
- wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
- dc.SetTextForeground(
- wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
+ dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg));
+ dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg));
}
- else if (state.GetSelectionState() == wxHTML_SEL_OUT &&
- dc.GetBackgroundMode() == wxSOLID)
+ else
{
dc.SetBackgroundMode(wxTRANSPARENT);
- dc.SetTextForeground(state.GetFgColour());
- dc.SetTextBackground(state.GetBgColour());
+ dc.SetTextForeground(fg);
+ dc.SetTextBackground(bg);
}
+}
- dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
+
+void wxHtmlWordCell::Draw(wxDC& dc, int x, int y,
+ int WXUNUSED(view_y1), int WXUNUSED(view_y2),
+ wxHtmlRenderingInfo& info)
+{
+#if 0 // useful for debugging
+ dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
+#endif
+
+ if ( info.GetState().GetSelectionState() == wxHTML_SEL_CHANGING )
+ {
+ // Selection changing, we must draw the word piecewise:
+ wxHtmlSelection *s = info.GetSelection();
+ wxString txt;
+ int w, h;
+ int ofs = 0;
+
+ wxPoint priv = (this == s->GetFromCell()) ?
+ s->GetFromPrivPos() : s->GetToPrivPos();
+
+ // NB: this is quite a hack: in order to compute selection boundaries
+ // (in word's characters) we must know current font, which is only
+ // possible inside rendering code. Therefore we update the
+ // information here and store it in wxHtmlSelection so that
+ // ConvertToText can use it later:
+ if ( priv == wxDefaultPosition )
+ {
+ SetSelectionPrivPos(dc, s);
+ priv = (this == s->GetFromCell()) ?
+ s->GetFromPrivPos() : s->GetToPrivPos();
+ }
+
+ int part1 = priv.x;
+ int part2 = priv.y;
+
+ if ( part1 > 0 )
+ {
+ txt = m_Word.Mid(0, part1);
+ dc.DrawText(txt, x + m_PosX, y + m_PosY);
+ dc.GetTextExtent(txt, &w, &h);
+ ofs += w;
+ }
+
+ SwitchSelState(dc, info, true);
+
+ txt = m_Word.Mid(part1, part2-part1);
+ dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY);
+
+ if ( (size_t)part2 < m_Word.length() )
+ {
+ dc.GetTextExtent(txt, &w, &h);
+ ofs += w;
+ SwitchSelState(dc, info, false);
+ txt = m_Word.Mid(part2);
+ dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY);
+ }
+ }
+ else
+ {
+ // Not changing selection state, draw the word in single mode:
+
+ if ( info.GetState().GetSelectionState() != wxHTML_SEL_OUT &&
+ dc.GetBackgroundMode() != wxSOLID )
+ {
+ SwitchSelState(dc, info, true);
+ }
+ else if ( info.GetState().GetSelectionState() == wxHTML_SEL_OUT &&
+ dc.GetBackgroundMode() == wxSOLID )
+ {
+ SwitchSelState(dc, info, false);
+ }
+ dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
+ }
+}
+
+
+wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const
+{
+ if ( s && (this == s->GetFromCell() || this == s->GetToCell()) )
+ {
+ wxPoint priv = (this == s->GetFromCell()) ?
+ s->GetFromPrivPos() : s->GetToPrivPos();
+ int part1 = priv.x;
+ int part2 = priv.y;
+ return m_Word.Mid(part1, part2-part1);
+ }
+ else
+ return m_Word;
}
else
{
- wxHtmlCell *c = GetFirstCell();
+ wxHtmlCell *c = GetFirstChild();
bool rt = FALSE;
int pbrk = *pagebreak - m_PosY;
m_LastLayout = w;
}
-void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingState& state,
+void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
wxHtmlCell *cell) const
{
- wxHtmlSelection *s = state.GetSelection();
+ wxHtmlSelection *s = info.GetSelection();
if (!s) return;
if (s->GetFromCell() == cell || s->GetToCell() == cell)
{
- state.SetSelectionState(wxHTML_SEL_CHANGING);
+ info.GetState().SetSelectionState(wxHTML_SEL_CHANGING);
}
}
-void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingState& state,
+void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
wxHtmlCell *cell) const
{
- wxHtmlSelection *s = state.GetSelection();
+ wxHtmlSelection *s = info.GetSelection();
if (!s) return;
if (s->GetToCell() == cell)
- state.SetSelectionState(wxHTML_SEL_OUT);
+ info.GetState().SetSelectionState(wxHTML_SEL_OUT);
else if (s->GetFromCell() == cell)
- state.SetSelectionState(wxHTML_SEL_IN);
+ info.GetState().SetSelectionState(wxHTML_SEL_IN);
}
#define mMin(a, b) (((a) < (b)) ? (a) : (b))
#define mMax(a, b) (((a) < (b)) ? (b) : (a))
void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
- wxHtmlRenderingState& state)
+ wxHtmlRenderingInfo& info)
{
// container visible, draw it:
if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1))
// draw container's contents:
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
{
- UpdateRenderingStatePre(state, cell);
+ UpdateRenderingStatePre(info, cell);
cell->Draw(dc,
x + m_PosX, y + m_PosY, view_y1, view_y2,
- state);
- UpdateRenderingStatePost(state, cell);
+ info);
+ UpdateRenderingStatePost(info, cell);
}
}
}
// container invisible, just proceed font+color changing:
else
{
- DrawInvisible(dc, x, y, state);
+ DrawInvisible(dc, x, y, info);
}
}
void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y,
- wxHtmlRenderingState& state)
+ wxHtmlRenderingInfo& info)
{
if (m_Cells)
{
for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
{
- UpdateRenderingStatePre(state, cell);
- cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, state);
- UpdateRenderingStatePost(state, cell);
+ UpdateRenderingStatePre(info, cell);
+ cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, info);
+ UpdateRenderingStatePost(info, cell);
}
}
}
wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y,
unsigned flags) const
{
- if (flags & wxHTML_FIND_EXACT)
+ if ( flags & wxHTML_FIND_EXACT )
{
for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
{
return cell->FindCellByPos(x - cx, y - cy, flags);
}
}
- return NULL;
}
-
- if ( flags & wxHTML_FIND_NEAREST_AFTER )
+ else if ( flags & wxHTML_FIND_NEAREST_AFTER )
{
wxHtmlCell *c;
int y2;
flags);
if (c) return c;
}
- return NULL;
}
-
- if ( flags & wxHTML_FIND_NEAREST_BEFORE )
+ else if ( flags & wxHTML_FIND_NEAREST_BEFORE )
{
- wxHtmlCell *c = NULL;
- wxHtmlCell *cx;
+ wxHtmlCell *c2, *c = NULL;
for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
{
if (cell->GetPosY() > y ||
(cell->GetPosY() == y && cell->GetPosX() > x))
break;
- cx = cell->FindCellByPos(x - cell->GetPosX(), y - cell->GetPosY(),
+ c2 = cell->FindCellByPos(x - cell->GetPosX(), y - cell->GetPosY(),
flags);
- if (cx) c = cx;
+ if (c2)
+ c = c2;
}
- return c;
+ if (c) return c;
}
+
+ return NULL;
}
wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const
{
- if (m_Cells)
- return m_Cells->GetFirstTerminal();
- else
- return NULL;
+ if ( m_Cells )
+ {
+ wxHtmlCell *c2;
+ for (wxHtmlCell *c = m_Cells; c; c = c->GetNext())
+ {
+ c2 = c->GetFirstTerminal();
+ if ( c2 )
+ return c2;
+ }
+ }
+ return NULL;
}
wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const
{
- if (m_Cells)
+ if ( m_Cells )
{
- wxHtmlCell *c;
- for (c = m_Cells; c->GetNext(); c = c->GetNext()) {}
- return c;
+ // most common case first:
+ wxHtmlCell *c = m_LastCell->GetLastTerminal();
+ if ( c )
+ return c;
+
+ wxHtmlCell *c2 = NULL;
+ for (c = m_Cells; c; c = c->GetNext())
+ c2 = c->GetLastTerminal();
+ return c2;
}
else
return NULL;
void wxHtmlColourCell::Draw(wxDC& dc,
int x, int y,
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
- wxHtmlRenderingState& state)
+ wxHtmlRenderingInfo& info)
{
- DrawInvisible(dc, x, y, state);
+ DrawInvisible(dc, x, y, info);
}
void wxHtmlColourCell::DrawInvisible(wxDC& dc,
int WXUNUSED(x), int WXUNUSED(y),
- wxHtmlRenderingState& state)
+ wxHtmlRenderingInfo& info)
{
+ wxHtmlRenderingState& state = info.GetState();
if (m_Flags & wxHTML_CLR_FOREGROUND)
{
state.SetFgColour(m_Colour);
if (state.GetSelectionState() != wxHTML_SEL_IN)
- dc.SetTextForeground(m_Colour);
+ dc.SetTextForeground(m_Colour);
+ else
+ dc.SetTextForeground(
+ info.GetStyle().GetSelectedTextColour(m_Colour));
}
if (m_Flags & wxHTML_CLR_BACKGROUND)
{
state.SetBgColour(m_Colour);
if (state.GetSelectionState() != wxHTML_SEL_IN)
dc.SetTextBackground(m_Colour);
+ else
+ dc.SetTextBackground(
+ info.GetStyle().GetSelectedTextBgColour(m_Colour));
dc.SetBackground(wxBrush(m_Colour, wxSOLID));
}
}
void wxHtmlFontCell::Draw(wxDC& dc,
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
- wxHtmlRenderingState& WXUNUSED(state))
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
dc.SetFont(m_Font);
}
void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y),
- wxHtmlRenderingState& WXUNUSED(state))
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
dc.SetFont(m_Font);
}
void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
int WXUNUSED(view_y1), int WXUNUSED(view_y2),
- wxHtmlRenderingState& WXUNUSED(state))
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this;
void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc),
int WXUNUSED(x), int WXUNUSED(y),
- wxHtmlRenderingState& WXUNUSED(state))
+ wxHtmlRenderingInfo& WXUNUSED(info))
{
int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this;
wxHtmlCell::Layout(w);
}
+
+
+// ----------------------------------------------------------------------------
+// wxHtmlTerminalCellsInterator
+// ----------------------------------------------------------------------------
+
+const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++()
+{
+ if ( !m_pos )
+ return NULL;
+
+ do
+ {
+ if ( m_pos == m_to )
+ {
+ m_pos = NULL;
+ return NULL;
+ }
+
+ if ( m_pos->GetNext() )
+ m_pos = m_pos->GetNext();
+ else
+ {
+ // we must go up the hierarchy until we reach container where this
+ // is not the last child, and then go down to first terminal cell:
+ while ( m_pos->GetNext() == NULL )
+ {
+ m_pos = m_pos->GetParent();
+ if ( !m_pos )
+ return NULL;
+ }
+ m_pos = m_pos->GetNext();
+ }
+ while ( m_pos->GetFirstChild() != NULL )
+ m_pos = m_pos->GetFirstChild();
+ } while ( !m_pos->IsTerminalCell() );
+
+ return m_pos;
+}
+
#endif
projects / wxWidgets.git / blobdiff