/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation
+#pragma implementation "htmlcell.h"
#endif
#include "wx/wxprec.h"
wxHtmlCell::~wxHtmlCell()
{
- if (m_Link) delete m_Link;
- if (m_Next) delete m_Next;
+ delete m_Link;
}
wxHtmlLinkInfo lnk2(*lnk);
lnk2.SetEvent(&event);
lnk2.SetHtmlCell(this);
- ((wxHtmlWindow*)parent)->OnLinkClicked(lnk2);
- // note : this overcasting is legal because parent is *always* wxHtmlWindow
+
+ // note : this cast is legal because parent is *always* wxHtmlWindow
+ wxStaticCast(parent, wxHtmlWindow)->OnLinkClicked(lnk2);
}
}
{
if ((!m_CanLiveOnPagebreak) &&
m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
- {
+ {
*pagebreak = m_PosY;
- if (m_Next != NULL) m_Next->AdjustPagebreak(pagebreak);
return TRUE;
}
- else
- {
- if (m_Next != NULL) return m_Next->AdjustPagebreak(pagebreak);
- else return FALSE;
- }
+ return FALSE;
}
-void wxHtmlCell::Layout(int w)
+void wxHtmlCell::Layout(int WXUNUSED(w))
{
SetPos(0, 0);
- if (m_Next) m_Next->Layout(w);
}
-void wxHtmlCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+
+void wxHtmlCell::GetHorizontalConstraints(int *left, int *right) const
{
- if (m_Next) m_Next->Draw(dc, x, y, view_y1, view_y2);
+ if (left)
+ *left = m_PosX;
+ if (right)
+ *right = m_PosX + m_Width;
}
-void wxHtmlCell::DrawInvisible(wxDC& dc, int x, int y)
+const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const
{
- if (m_Next) m_Next->DrawInvisible(dc, x, y);
+ return NULL;
}
-
-const wxHtmlCell* wxHtmlCell::Find(int condition, const void* param) const
+wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y) const
{
- if (m_Next) return m_Next->Find(condition, param);
- else return NULL;
-}
+ if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height )
+ return wxConstCast(this, wxHtmlCell);
+ return NULL;
+}
//-----------------------------------------------------------------------------
-void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2))
{
dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
wxHtmlContainerCell::~wxHtmlContainerCell()
{
- if (m_Cells) delete m_Cells;
+ wxHtmlCell *cell = m_Cells;
+ while ( cell )
+ {
+ wxHtmlCell *cellNext = cell->GetNext();
+ delete cell;
+ cell = cellNext;
+ }
}
int pbrk = *pagebreak - m_PosY;
while (c)
- {
- if (c->AdjustPagebreak(&pbrk)) rt = TRUE;
+ {
+ if (c->AdjustPagebreak(&pbrk))
+ rt = TRUE;
c = c->GetNext();
}
- if (rt) *pagebreak = pbrk + m_PosY;
+ if (rt)
+ *pagebreak = pbrk + m_PosY;
return rt;
}
}
void wxHtmlContainerCell::Layout(int w)
{
- if (m_LastLayout == w)
+ wxHtmlCell::Layout(w);
+
+ if (m_LastLayout == w) return;
+
+ // VS: Any attempt to layout with negative or zero width leads to hell,
+ // but we can't ignore such attempts completely, since it sometimes
+ // happen (e.g. when trying how small a table can be). The best thing we
+ // can do is to set the width of child cells to zero
+ if (w < 1)
{
- wxHtmlCell::Layout(w);
- return;
+ m_Width = 0;
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->Layout(0);
+ // this does two things: it recursively calls this code on all child
+ // contrainers and resets children's position to (0,0)
+ return;
}
wxHtmlCell *cell = m_Cells, *line = m_Cells;
{
int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
- m_Cells->Layout(m_Width - (l + r));
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->Layout(m_Width - (l + r));
}
/*
while (cell != NULL)
{
switch (m_AlignVer)
- {
+ {
case wxHTML_ALIGN_TOP : ybasicpos = 0; break;
case wxHTML_ALIGN_BOTTOM : ybasicpos = - cell->GetHeight(); break;
case wxHTML_ALIGN_CENTER : ybasicpos = - cell->GetHeight() / 2; break;
// force new line if occured:
if ((cell == NULL) || (xpos + cell->GetWidth() > s_width))
- {
+ {
if (xpos > MaxLineWidth) MaxLineWidth = xpos;
if (ysizeup < 0) ysizeup = 0;
if (ysizedown < 0) ysizedown = 0;
if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL)
while (line != cell)
- {
+ {
line->SetPos(line->GetPosX() + xdelta,
ypos + line->GetPosY());
line = line->GetNext();
if (step < 0) step = 0;
xcnt--;
if (xcnt > 0) while (line != cell)
- {
+ {
line->SetPos(line->GetPosX() + s_indent +
(counter++ * step / xcnt),
ypos + line->GetPosY());
if (m_Height < m_MinHeight)
{
if (m_MinHeightAlign != wxHTML_ALIGN_TOP)
- {
+ {
int diff = m_MinHeight - m_Height;
if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2;
cell = m_Cells;
while (cell)
- {
+ {
cell->SetPos(cell->GetPosX(), cell->GetPosY() + diff);
cell = cell->GetNext();
}
if (m_Width < MaxLineWidth) m_Width = MaxLineWidth;
m_LastLayout = w;
-
- wxHtmlCell::Layout(w);
}
{
if (m_UseBkColour)
- {
+ {
wxBrush myb = wxBrush(m_BkColour, wxSOLID);
int real_y1 = mMax(y + m_PosY, view_y1);
}
if (m_UseBorder)
- {
+ {
wxPen mypen1(m_BorderColour1, 1, wxSOLID);
wxPen mypen2(m_BorderColour2, 1, wxSOLID);
dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
}
- if (m_Cells) m_Cells->Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
+ if (m_Cells)
+ {
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
+ }
}
// container invisible, just proceed font+color changing:
else
{
- if (m_Cells) m_Cells->DrawInvisible(dc, x + m_PosX, y + m_PosY);
+ if (m_Cells)
+ {
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->DrawInvisible(dc, x + m_PosX, y + m_PosY);
+ }
}
-
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y)
{
- if (m_Cells) m_Cells->DrawInvisible(dc, x + m_PosX, y + m_PosY);
- wxHtmlCell::DrawInvisible(dc, x, y);
+ if (m_Cells)
+ {
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ cell->DrawInvisible(dc, x + m_PosX, y + m_PosY);
+ }
}
wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
{
- wxHtmlCell *c = m_Cells;
- int cx, cy, cw, ch;
+ wxHtmlCell *cell = FindCellByPos(x, y);
- while (c)
- {
- cx = c->GetPosX(), cy = c->GetPosY();
- cw = c->GetWidth(), ch = c->GetHeight();
- if ((x >= cx) && (x < cx + cw) && (y >= cy) && (y < cy + ch))
- return c->GetLink(x - cx, y - cy);
- c = c->GetNext();
- }
- return NULL;
+ // VZ: I don't know if we should pass absolute or relative coords to
+ // wxHtmlCell::GetLink()? As the base class version just ignores them
+ // anyhow, it hardly matters right now but should still be clarified
+ return cell ? cell->GetLink(x, y) : NULL;
}
wxString wd = tag.GetParam(wxT("WIDTH"));
if (wd[wd.Length()-1] == wxT('%'))
- {
+ {
wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
}
else
- {
+ {
wxSscanf(wd.c_str(), wxT("%i"), &wdi);
SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS);
}
const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const
{
- const wxHtmlCell *r = NULL;
-
if (m_Cells)
{
- r = m_Cells->Find(condition, param);
- if (r) return r;
- }
+ const wxHtmlCell *r = NULL;
- return wxHtmlCell::Find(condition, param);
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+ {
+ r = cell->Find(condition, param);
+ if (r) return r;
+ }
+ }
+ return NULL;
}
+wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y) const
+{
+ for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
+ {
+ int cx = cell->GetPosX(),
+ cy = cell->GetPosY();
+
+ if ( (cx <= x) && (cx + cell->GetWidth() > x) &&
+ (cy <= y) && (cy + cell->GetHeight() > y) )
+ {
+ return cell->FindCellByPos(x - cx, y - cy);
+ }
+ }
+
+ return NULL;
+}
+
void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event)
{
- if (m_Cells)
+ wxHtmlCell *cell = FindCellByPos(x, y);
+ if ( cell )
+ cell->OnMouseClick(parent, x, y, event);
+}
+
+
+
+void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const
+{
+ int cleft = m_PosX + m_Width, cright = m_PosX; // worst case
+ int l, r;
+
+ for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
{
- wxHtmlCell *c = m_Cells;
- while (c)
- {
- if ( (c->GetPosX() <= x) &&
- (c->GetPosY() <= y) &&
- (c->GetPosX() + c->GetWidth() > x) &&
- (c->GetPosY() + c->GetHeight() > y))
- {
- c->OnMouseClick(parent, x - c->GetPosX(), y - c->GetPosY(), event);
- break;
- }
- c = c->GetNext();
- }
+ cell->GetHorizontalConstraints(&l, &r);
+ if (l < cleft)
+ cleft = l;
+ if (r > cright)
+ cright = r;
}
+
+ cleft -= (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
+ cright += (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
+
+ if (left)
+ *left = cleft;
+ if (right)
+ *right = cright;
}
// wxHtmlColourCell
//--------------------------------------------------------------------------------
-void wxHtmlColourCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlColourCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2))
{
if (m_Flags & wxHTML_CLR_FOREGROUND)
dc.SetTextForeground(m_Colour);
dc.SetBackground(wxBrush(m_Colour, wxSOLID));
dc.SetTextBackground(m_Colour);
}
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
-void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlColourCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y))
{
if (m_Flags & wxHTML_CLR_FOREGROUND)
dc.SetTextForeground(m_Colour);
dc.SetBackground(wxBrush(m_Colour, wxSOLID));
dc.SetTextBackground(m_Colour);
}
- wxHtmlCell::DrawInvisible(dc, x, y);
}
// wxHtmlFontCell
//--------------------------------------------------------------------------------
-void wxHtmlFontCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlFontCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2))
{
dc.SetFont(m_Font);
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
-void wxHtmlFontCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y))
{
dc.SetFont(m_Font);
- wxHtmlCell::DrawInvisible(dc, x, y);
}
}
-void wxHtmlWidgetCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2))
{
int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this;
((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
-
- wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
}
-void wxHtmlWidgetCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y))
{
int absx = 0, absy = 0, stx, sty;
wxHtmlCell *c = this;
((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
-
- wxHtmlCell::DrawInvisible(dc, x, y);
}
projects / wxWidgets.git / blobdiff