// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "htmlwin.h"
#pragma implementation "htmlproc.h"
#endif
#include "wx/html/htmlproc.h"
#include "wx/list.h"
#include "wx/clipbrd.h"
+#include "wx/dataobj.h"
#include "wx/timer.h"
#include "wx/dcmemory.h"
}
}
}
-#endif
+
+#endif // wxUSE_CLIPBOARD
//-----------------------------------------------------------------------------
// item of history list
-class WXDLLEXPORT wxHtmlHistoryItem
+class WXDLLIMPEXP_HTML wxHtmlHistoryItem
{
public:
wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
m_makingSelection = false;
#if wxUSE_CLIPBOARD
m_timerAutoScroll = NULL;
-#endif
+ m_lastDoubleClick = 0;
+#endif // wxUSE_CLIPBOARD
m_backBuffer = NULL;
}
long style, const wxString& name)
{
if (!wxScrolledWindow::Create(parent, id, pos, size,
- style | wxVSCROLL | wxHSCROLL, name))
+ style | wxVSCROLL | wxHSCROLL,
+ name))
return FALSE;
m_Style = style;
{
#if wxUSE_CLIPBOARD
StopAutoScrolling();
-#endif
+#endif // wxUSE_CLIPBOARD
HistoryClear();
- if (m_Cell) delete m_Cell;
+ delete m_selection;
+
+ delete m_Cell;
+
+ if ( m_Processors )
+ {
+ WX_CLEAR_LIST(wxHtmlProcessorList, *m_Processors);
+ }
delete m_Parser;
delete m_FS;
// pass HTML through registered processors:
if (m_Processors || m_GlobalProcessors)
{
- wxHtmlProcessorList::Node *nodeL, *nodeG;
+ wxHtmlProcessorList::compatibility_iterator nodeL, nodeG;
int prL, prG;
- nodeL = (m_Processors) ? m_Processors->GetFirst() : NULL;
- nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : NULL;
+ nodeL = (m_Processors) ? m_Processors->GetFirst() : wxHtmlProcessorList::compatibility_iterator();
+ nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : wxHtmlProcessorList::compatibility_iterator();
// VS: there are two lists, global and local, both of them sorted by
// priority. Since we have to go through _both_ lists with
else
{
- wxNode *node;
+ wxList::compatibility_iterator node;
wxString src = wxEmptyString;
if (m_RelatedStatusBar != -1)
if (!m_Processors)
{
m_Processors = new wxHtmlProcessorList;
- m_Processors->DeleteContents(TRUE);
}
- wxHtmlProcessorList::Node *node;
+ wxHtmlProcessorList::compatibility_iterator node;
for (node = m_Processors->GetFirst(); node; node = node->GetNext())
{
if (!m_GlobalProcessors)
{
m_GlobalProcessors = new wxHtmlProcessorList;
- m_GlobalProcessors->DeleteContents(TRUE);
}
- wxHtmlProcessorList::Node *node;
+ wxHtmlProcessorList::compatibility_iterator node;
for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext())
{
wxList wxHtmlWindow::m_Filters;
wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
-wxCursor *wxHtmlWindow::s_cur_hand = NULL;
-wxCursor *wxHtmlWindow::s_cur_arrow = NULL;
wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL;
void wxHtmlWindow::CleanUpStatics()
{
wxDELETE(m_DefaultFilter);
- m_Filters.DeleteContents(TRUE);
- m_Filters.Clear();
+ WX_CLEAR_LIST(wxList, m_Filters);
+ if (m_GlobalProcessors)
+ WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
wxDELETE(m_GlobalProcessors);
- wxDELETE(s_cur_hand);
- wxDELETE(s_cur_arrow);
}
return false;
#endif
}
-
+
#if wxUSE_CLIPBOARD
-wxString wxHtmlWindow::SelectionToText()
+wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel)
{
- if ( !m_selection )
+ if ( !sel )
return wxEmptyString;
wxClientDC dc(this);
- const wxHtmlCell *end = m_selection->GetToCell();
+ const wxHtmlCell *end = sel->GetToCell();
wxString text;
- wxHtmlTerminalCellsInterator i(m_selection->GetFromCell(), end);
+ wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end);
if ( i )
{
- text << i->ConvertToText(m_selection);
+ text << i->ConvertToText(sel);
++i;
}
const wxHtmlCell *prev = *i;
{
if ( prev->GetParent() != i->GetParent() )
text << _T('\n');
- text << i->ConvertToText(*i == end ? m_selection : NULL);
+ text << i->ConvertToText(*i == end ? sel : NULL);
prev = *i;
++i;
}
return text;
}
-void wxHtmlWindow::CopySelection(ClipboardType t)
+wxString wxHtmlWindow::ToText()
{
+ if (m_Cell)
+ {
+ wxHtmlSelection sel;
+ sel.Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
+ return DoSelectionToText(&sel);
+ }
+ else
+ return wxEmptyString;
+}
+
+#endif // wxUSE_CLIPBOARD
+
+bool wxHtmlWindow::CopySelection(ClipboardType t)
+{
+#if wxUSE_CLIPBOARD
if ( m_selection )
{
+#ifdef __UNIX__
wxTheClipboard->UsePrimarySelection(t == Primary);
- wxString txt(SelectionToText());
+#else // !__UNIX__
+ // Primary selection exists only under X11, so don't do anything under
+ // the other platforms when we try to access it
+ //
+ // TODO: this should be abstracted at wxClipboard level!
+ if ( t == Primary )
+ return false;
+#endif // __UNIX__/!__UNIX__
+
if ( wxTheClipboard->Open() )
{
+ const wxString txt(SelectionToText());
wxTheClipboard->SetData(new wxTextDataObject(txt));
wxTheClipboard->Close();
wxLogTrace(_T("wxhtmlselection"),
_("Copied to clipboard:\"%s\""), txt.c_str());
+
+ return true;
}
}
+#endif // wxUSE_CLIPBOARD
+
+ return false;
}
-#endif
void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
// do nothing here
}
-void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)
+void wxHtmlWindow::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
{
}
wxMemoryDC dcm;
if ( !m_backBuffer )
m_backBuffer = new wxBitmap(sz.x, sz.y);
- dcm.SelectObject(*m_backBuffer);
+ dcm.SelectObject(*m_backBuffer);
dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
dcm.Clear();
PrepareDC(dcm);
dcm.SetMapMode(wxMM_TEXT);
dcm.SetBackgroundMode(wxTRANSPARENT);
-
+
wxHtmlRenderingInfo rinfo;
wxDefaultHtmlRenderingStyle rstyle;
rinfo.SetSelection(m_selection);
y * wxHTML_SCROLL_STEP + rect.GetTop(),
y * wxHTML_SCROLL_STEP + rect.GetBottom(),
rinfo);
-
+
+//#define DEBUG_HTML_SELECTION
+#ifdef DEBUG_HTML_SELECTION
+ {
+ int xc, yc, x, y;
+ wxGetMousePosition(&xc, &yc);
+ ScreenToClient(&xc, &yc);
+ CalcUnscrolledPosition(xc, yc, &x, &y);
+ wxHtmlCell *at = m_Cell->FindCellByPos(x, y);
+ wxHtmlCell *before =
+ m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_BEFORE);
+ wxHtmlCell *after =
+ m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_AFTER);
+
+ dcm.SetBrush(*wxTRANSPARENT_BRUSH);
+ dcm.SetPen(*wxBLACK_PEN);
+ if (at)
+ dcm.DrawRectangle(at->GetAbsPos(),
+ wxSize(at->GetWidth(),at->GetHeight()));
+ dcm.SetPen(*wxGREEN_PEN);
+ if (before)
+ dcm.DrawRectangle(before->GetAbsPos().x+1, before->GetAbsPos().y+1,
+ before->GetWidth()-2,before->GetHeight()-2);
+ dcm.SetPen(*wxRED_PEN);
+ if (after)
+ dcm.DrawRectangle(after->GetAbsPos().x+2, after->GetAbsPos().y+2,
+ after->GetWidth()-4,after->GetHeight()-4);
+ }
+#endif
+
dcm.SetDeviceOrigin(0,0);
dc.Blit(0, rect.GetTop(),
sz.x, rect.GetBottom() - rect.GetTop() + 1,
m_selection->GetToCell());
m_selection->ClearPrivPos();
}
-
+
Refresh();
}
-void wxHtmlWindow::OnMouseMove(wxMouseEvent& event)
+void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event))
{
m_tmpMouseMoved = true;
}
void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
{
+#if wxUSE_CLIPBOARD
if ( event.LeftDown() && IsSelectionEnabled() )
{
- m_makingSelection = true;
-
- if ( m_selection )
+ const long TRIPLECLICK_LEN = 200; // 0.2 sec after doubleclick
+ if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN )
{
- wxDELETE(m_selection);
- Refresh();
+ SelectLine(CalcUnscrolledPosition(event.GetPosition()));
+
+ (void) CopySelection();
}
- m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition());
- m_tmpSelFromCell = NULL;
+ else
+ {
+ m_makingSelection = true;
- CaptureMouse();
+ if ( m_selection )
+ {
+ wxDELETE(m_selection);
+ Refresh();
+ }
+ m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition());
+ m_tmpSelFromCell = NULL;
+
+ CaptureMouse();
+ }
}
+#endif // wxUSE_CLIPBOARD
}
void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
m_makingSelection = false;
// did the user move the mouse far enough from starting point?
- if ( m_selection )
+ if ( CopySelection(Primary) )
{
-#ifdef __UNIX__
- CopySelection(Primary);
-#endif
// we don't want mouse up event that ended selecting to be
// handled as mouse click and e.g. follow hyperlink:
return;
}
}
-#endif
-
+#endif // wxUSE_CLIPBOARD
+
SetFocus();
if ( m_Cell )
{
wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
- // VZ: is it possible that we don't find anything at all?
- // VS: yes. FindCellByPos returns terminal cell and
- // containers may have empty borders
+ // check is needed because FindCellByPos returns terminal cell and
+ // containers may have empty borders -- in this case NULL will be
+ // returned
if ( cell )
OnCellClicked(cell, pos.x, pos.y, event);
}
-void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
+void wxHtmlWindow::OnInternalIdle()
{
- if (s_cur_hand == NULL)
- {
- s_cur_hand = new wxCursor(wxCURSOR_HAND);
- s_cur_arrow = new wxCursor(wxCURSOR_ARROW);
- }
-
+ wxWindow::OnInternalIdle();
+
if (m_tmpMouseMoved && (m_Cell != NULL))
{
+#ifdef DEBUG_HTML_SELECTION
+ Refresh();
+#endif
int xc, yc, x, y;
wxGetMousePosition(&xc, &yc);
ScreenToClient(&xc, &yc);
// handle selection update:
if ( m_makingSelection )
{
- bool goingDown = m_tmpSelFromPos.y < y ||
- m_tmpSelFromPos.y == y && m_tmpSelFromPos.x < x;
-
if ( !m_tmpSelFromCell )
+ m_tmpSelFromCell = m_Cell->FindCellByPos(
+ m_tmpSelFromPos.x,m_tmpSelFromPos.y);
+
+ // NB: a trick - we adjust selFromPos to be upper left or bottom
+ // right corner of the first cell of the selection depending
+ // on whether the mouse is moving to the right or to the left.
+ // This gives us more "natural" behaviour when selecting
+ // a line (specifically, first cell of the next line is not
+ // included if you drag selection from left to right over
+ // entire line):
+ wxPoint dirFromPos;
+ if ( !m_tmpSelFromCell )
+ {
+ dirFromPos = m_tmpSelFromPos;
+ }
+ else
+ {
+ dirFromPos = m_tmpSelFromCell->GetAbsPos();
+ if ( x < m_tmpSelFromPos.x )
+ {
+ dirFromPos.x += m_tmpSelFromCell->GetWidth();
+ dirFromPos.y += m_tmpSelFromCell->GetHeight();
+ }
+ }
+ bool goingDown = dirFromPos.y < y ||
+ (dirFromPos.y == y && dirFromPos.x < x);
+
+ // determine selection span:
+ if ( /*still*/ !m_tmpSelFromCell )
{
if (goingDown)
{
if (goingDown)
{
selcell = m_Cell->FindCellByPos(x, y,
- wxHTML_FIND_NEAREST_AFTER);
+ wxHTML_FIND_NEAREST_BEFORE);
if (!selcell)
selcell = m_Cell->GetLastTerminal();
}
else
{
selcell = m_Cell->FindCellByPos(x, y,
- wxHTML_FIND_NEAREST_BEFORE);
+ wxHTML_FIND_NEAREST_AFTER);
if (!selcell)
selcell = m_Cell->GetFirstTerminal();
}
// NB: it may *rarely* happen that the code above didn't find one
// of the cells, e.g. if wxHtmlWindow doesn't contain any
- // visible cells.
+ // visible cells.
if ( selcell && m_tmpSelFromCell )
- {
+ {
if ( !m_selection )
{
// start selecting only if mouse movement was big enough
}
}
}
-
+
// handle cursor and status bar text changes:
if ( cell != m_tmpLastCell )
{
wxHtmlLinkInfo *lnk = cell ? cell->GetLink(x, y) : NULL;
+ wxCursor cur;
+ if (cell)
+ cur = cell->GetCursor();
+ else
+ cur = *wxSTANDARD_CURSOR;
+ SetCursor(cur);
if (lnk != m_tmpLastLink)
{
if (lnk == NULL)
{
- SetCursor(*s_cur_arrow);
if (m_RelatedStatusBar != -1)
m_RelatedFrame->SetStatusText(wxEmptyString,
m_RelatedStatusBar);
}
else
{
- SetCursor(*s_cur_hand);
if (m_RelatedStatusBar != -1)
m_RelatedFrame->SetStatusText(lnk->GetHref(),
m_RelatedStatusBar);
if ( IsSelectionEnabled() &&
event.GetKeyCode() == 'C' && event.ControlDown() )
{
- if ( m_selection )
- CopySelection();
+ (void) CopySelection();
}
}
-void wxHtmlWindow::OnCopy(wxCommandEvent& event)
+void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
{
- if ( m_selection )
- CopySelection();
+ (void) CopySelection();
}
-
+
void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
{
// select word under cursor:
if ( IsSelectionEnabled() )
{
- wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
+ SelectWord(CalcUnscrolledPosition(event.GetPosition()));
+
+ (void) CopySelection(Primary);
+
+ m_lastDoubleClick = wxGetLocalTimeMillis();
+ }
+ else
+ event.Skip();
+}
+
+void wxHtmlWindow::SelectWord(const wxPoint& pos)
+{
+ if ( m_Cell )
+ {
wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
if ( cell )
{
wxSize(cell->GetWidth(), cell->GetHeight())));
}
}
- else
- event.Skip();
}
-#endif
+
+void wxHtmlWindow::SelectLine(const wxPoint& pos)
+{
+ if ( m_Cell )
+ {
+ wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
+ if ( cell )
+ {
+ // We use following heuristic to find a "line": let the line be all
+ // cells in same container as the cell under mouse cursor that are
+ // neither completely above nor completely bellow the clicked cell
+ // (i.e. are likely to be words positioned on same line of text).
+
+ int y1 = cell->GetAbsPos().y;
+ int y2 = y1 + cell->GetHeight();
+ int y;
+ const wxHtmlCell *c;
+ const wxHtmlCell *before = NULL;
+ const wxHtmlCell *after = NULL;
+
+ // find last cell of line:
+ for ( c = cell->GetNext(); c; c = c->GetNext())
+ {
+ y = c->GetAbsPos().y;
+ if ( y + c->GetHeight() > y1 && y < y2 )
+ after = c;
+ else
+ break;
+ }
+ if ( !after )
+ after = cell;
+
+ // find first cell of line:
+ for ( c = cell->GetParent()->GetFirstChild();
+ c && c != cell; c = c->GetNext())
+ {
+ y = c->GetAbsPos().y;
+ if ( y + c->GetHeight() > y1 && y < y2 )
+ {
+ if ( ! before )
+ before = c;
+ }
+ else
+ before = NULL;
+ }
+ if ( !before )
+ before = cell;
+
+ delete m_selection;
+ m_selection = new wxHtmlSelection();
+ m_selection->Set(before, after);
+
+ Refresh();
+ }
+ }
+}
+
+void wxHtmlWindow::SelectAll()
+{
+ if ( m_Cell )
+ {
+ delete m_selection;
+ m_selection = new wxHtmlSelection();
+ m_selection->Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
+ Refresh();
+ }
+}
+
+#endif // wxUSE_CLIPBOARD
IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject)
+#if wxUSE_EXTENDED_RTTI
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxHtmlWindow, wxScrolledWindow,"wx/html/htmlwin.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxHtmlWindow)
+/*
+ TODO PROPERTIES
+ style , wxHW_SCROLLBAR_AUTO
+ borders , (dimension)
+ url , string
+ htmlcode , string
+*/
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxHtmlWindow)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
+#else
IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
+#endif
BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
EVT_SIZE(wxHtmlWindow::OnSize)
EVT_LEFT_UP(wxHtmlWindow::OnMouseUp)
EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
EVT_MOTION(wxHtmlWindow::OnMouseMove)
- EVT_IDLE(wxHtmlWindow::OnIdle)
EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground)
EVT_PAINT(wxHtmlWindow::OnPaint)
#if wxUSE_CLIPBOARD
EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave)
EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
-#endif
+#endif // wxUSE_CLIPBOARD
END_EVENT_TABLE()
#include "wx/html/forcelnk.h"
FORCE_WXHTML_MODULES()
-#endif
+#endif // wxUSE_HTML
+
projects / wxWidgets.git / blobdiff