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Partially functioning selections.

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2376 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
1999-05-09 15:24:57 +00:00
parent 8fa2e6a209
commit 18d084cf1f
4 changed files with 187 additions and 48 deletions
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148
user/wxLayout/wxllist.cpp
View File

@@ -24,7 +24,6 @@
#ifdef M_BASEDIR
# include "gui/wxllist.h"
# include "gui/wxMDialogs.h"
#else
# include "wxllist.h"
#endif
@@ -109,6 +108,23 @@ bool Contains(const wxRect &r, const wxPoint &p)
{
return r.x <= p.x && r.y <= p.y && (r.x+r.width) >= p.x && (r.y + r.height) >= p.y;
}
/// Starts highlighting the selection
static
inline void StartHighlighting(wxDC &dc)
{
dc.SetBrush(*wxBLACK_BRUSH);
dc.SetPen(wxPen(*wxBLACK,1,wxSOLID));
dc.SetLogicalFunction(wxINVERT);
}
/// Ends highlighting the selection
static
inline void EndHighlighting(wxDC &dc)
{
dc.SetLogicalFunction(wxCOPY);
}
//@}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
@@ -147,9 +163,33 @@ wxLayoutObjectText::GetSize(CoordType *top, CoordType *bottom) const
}
void
wxLayoutObjectText::Draw(wxDC &dc, wxPoint const &coords)
wxLayoutObjectText::Draw(wxDC &dc, wxPoint const &coords,
CoordType begin, CoordType end)
{
dc.DrawText(m_Text, coords.x, coords.y-m_Top);
if(begin == -1)
dc.DrawText(m_Text, coords.x, coords.y-m_Top);
else
{
// highlight the bit between begin and len
wxString str;
CoordType
xpos = coords.x,
ypos = coords.y-m_Top;
long width, height, descent;
str = m_Text.Mid(0, begin);
dc.DrawText(str, xpos, ypos);
dc.GetTextExtent(str, &width, &height, &descent);
xpos += width;
StartHighlighting(dc);
str = m_Text.Mid(begin, end-begin);
dc.DrawText(str, xpos, ypos);
dc.GetTextExtent(str, &width, &height, &descent);
xpos += width;
dc.SetLogicalFunction(wxCOPY);
str = m_Text.Mid(end, m_Text.Length()-end);
dc.DrawText(str, xpos, ypos);
}
}
CoordType
@@ -222,8 +262,12 @@ wxLayoutObjectIcon::wxLayoutObjectIcon(wxBitmap *icon)
}
void
wxLayoutObjectIcon::Draw(wxDC &dc, wxPoint const &coords)
wxLayoutObjectIcon::Draw(wxDC &dc, wxPoint const &coords,
CoordType begin, CoordType /* len */)
{
if(begin == 0)
StartHighlighting(dc);
dc.DrawBitmap(*m_Icon, coords.x, coords.y-m_Icon->GetHeight(),
(m_Icon->GetMask() == NULL) ? FALSE : TRUE);
}
@@ -296,7 +340,8 @@ wxLayoutObjectCmd::GetStyle(wxLayoutStyleInfo *si) const
}
void
wxLayoutObjectCmd::Draw(wxDC &dc, wxPoint const & /* coords */)
wxLayoutObjectCmd::Draw(wxDC &dc, wxPoint const & /* coords */,
CoordType begin, CoordType /* len */)
{
wxASSERT(m_font);
dc.SetFont(*m_font);
@@ -636,11 +681,36 @@ wxLayoutLine::Draw(wxDC &dc,
pos = pos + GetPosition();
pos.y += m_BaseLine;
CoordType xpos = 0; // cursorpos, lenght of line
CoordType from, to, tempto;
int highlight = llist->IsSelected(this, &from, &to);
if(highlight == 1) // we need to draw the whole line inverted!
StartHighlighting(dc);
else
EndHighlighting(dc);
for(i = m_ObjectList.begin(); i != NULLIT; i++)
{
(**i).Draw(dc, pos);
if(highlight == -1) // partially highlight line
{
// parts of the line need highlighting
tempto = xpos+(**i).GetLength();
if(tempto >= from && tempto <= to)
{
tempto = to-xpos;
if(tempto > (**i).GetLength())
tempto = (**i).GetLength();
(**i).Draw(dc, pos, from-xpos, to);
}
else
EndHighlighting(dc);
}
else
(**i).Draw(dc, pos);
pos.x += (**i).GetWidth();
xpos += (**i).GetLength();
}
}
@@ -1486,6 +1556,14 @@ wxLayoutList::EndSelection(void)
m_Selection.m_CursorB = m_CursorPos;
m_Selection.m_selecting = false;
m_Selection.m_valid = true;
// We always want m_CursorA <= m_CursorB!
if(! (m_Selection.m_CursorA <= m_Selection.m_CursorB))
{
wxPoint help = m_Selection.m_CursorB;
m_Selection.m_CursorB = m_Selection.m_CursorA;
m_Selection.m_CursorA = help;
}
}
bool
@@ -1501,6 +1579,44 @@ wxLayoutList::IsSelected(const wxPoint &cursor)
&& cursor <= m_Selection.m_CursorB;
}
/** Tests whether this layout line is selected and needs
highlighting.
@param line to test for
@return 0 = not selected, 1 = fully selected, -1 = partially
selected
*/
int
wxLayoutList::IsSelected(const wxLayoutLine *line, CoordType *from,
CoordType *to)
{
wxASSERT(line); wxASSERT(to); wxASSERT(from);
CoordType y = line->GetLineNumber();
if(m_Selection.m_CursorA.y < y && m_Selection.m_CursorB.y > y)
return 1;
else if(m_Selection.m_CursorA.y == y)
{
*from = m_Selection.m_CursorA.x;
if(m_Selection.m_CursorB.y == y)
*to = m_Selection.m_CursorB.x;
else
*to = line->GetLength();
return -1;
}
else if(m_Selection.m_CursorB.y == y)
{
*to = m_Selection.m_CursorB.x;
if(m_Selection.m_CursorA.y == y)
*from = m_Selection.m_CursorA.x;
else
*from = 0;
return -1;
}
else
return 0;
}
#ifdef WXLAYOUT_DEBUG
void
@@ -1530,16 +1646,10 @@ wxLayoutPrintout::wxLayoutPrintout(wxLayoutList *llist,
{
m_llist = llist;
m_title = title;
#ifdef M_BASEDIR
m_ProgressDialog = NULL;
#endif
}
wxLayoutPrintout::~wxLayoutPrintout()
{
#ifdef M_BASEDIR
if(m_ProgressDialog) delete m_ProgressDialog;
#endif
}
float
@@ -1594,12 +1704,6 @@ wxLayoutPrintout::ScaleDC(wxDC *dc)
bool wxLayoutPrintout::OnPrintPage(int page)
{
#ifdef M_BASEDIR
wxString msg;
msg.Printf(_("Printing page %d..."), page);
if(! m_ProgressDialog->Update(page, msg))
return false;
#endif
wxDC *dc = GetDC();
ScaleDC(dc);
@@ -1650,12 +1754,6 @@ void wxLayoutPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom,
*selPageFrom = 1;
*selPageTo = m_NumOfPages;
wxRemoveFile(WXLLIST_TEMPFILE);
#ifdef M_BASEDIR
m_ProgressDialog = new MProgressDialog(
title, _("Printing..."),m_NumOfPages, NULL, false, true);
#endif
}
bool wxLayoutPrintout::HasPage(int pageNum)