// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-#pragma implementation "htmlwin.h"
-#pragma implementation "htmlproc.h"
-#endif
-
#include "wx/wxprec.h"
#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/html/htmlwin.h"
#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"
+#include "wx/settings.h"
#include "wx/arrimpl.cpp"
#include "wx/listimpl.cpp"
+
+#if wxUSE_CLIPBOARD
+// ----------------------------------------------------------------------------
+// wxHtmlWinAutoScrollTimer: the timer used to generate a stream of scroll
+// events when a captured mouse is held outside the window
+// ----------------------------------------------------------------------------
+
+class wxHtmlWinAutoScrollTimer : public wxTimer
+{
+public:
+ wxHtmlWinAutoScrollTimer(wxScrolledWindow *win,
+ wxEventType eventTypeToSend,
+ int pos, int orient)
+ {
+ m_win = win;
+ m_eventType = eventTypeToSend;
+ m_pos = pos;
+ m_orient = orient;
+ }
+
+ virtual void Notify();
+
+private:
+ wxScrolledWindow *m_win;
+ wxEventType m_eventType;
+ int m_pos,
+ m_orient;
+
+ DECLARE_NO_COPY_CLASS(wxHtmlWinAutoScrollTimer)
+};
+
+void wxHtmlWinAutoScrollTimer::Notify()
+{
+ // only do all this as long as the window is capturing the mouse
+ if ( wxWindow::GetCapture() != m_win )
+ {
+ Stop();
+ }
+ else // we still capture the mouse, continue generating events
+ {
+ // first scroll the window if we are allowed to do it
+ wxScrollWinEvent event1(m_eventType, m_pos, m_orient);
+ event1.SetEventObject(m_win);
+ if ( m_win->GetEventHandler()->ProcessEvent(event1) )
+ {
+ // and then send a pseudo mouse-move event to refresh the selection
+ wxMouseEvent event2(wxEVT_MOTION);
+ wxGetMousePosition(&event2.m_x, &event2.m_y);
+
+ // the mouse event coordinates should be client, not screen as
+ // returned by wxGetMousePosition
+ wxWindow *parentTop = m_win;
+ while ( parentTop->GetParent() )
+ parentTop = parentTop->GetParent();
+ wxPoint ptOrig = parentTop->GetPosition();
+ event2.m_x -= ptOrig.x;
+ event2.m_y -= ptOrig.y;
+
+ event2.SetEventObject(m_win);
+
+ // FIXME: we don't fill in the other members - ok?
+ m_win->GetEventHandler()->ProcessEvent(event2);
+ }
+ else // can't scroll further, stop
+ {
+ Stop();
+ }
+ }
+}
+
+#endif // wxUSE_CLIPBOARD
+
+
+
//-----------------------------------------------------------------------------
// wxHtmlHistoryItem
//-----------------------------------------------------------------------------
// item of history list
-class WXDLLEXPORT wxHtmlHistoryItem : public wxObject
+class WXDLLIMPEXP_HTML wxHtmlHistoryItem
{
public:
wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
//-----------------------------------------------------------------------------
WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray);
-WX_DEFINE_OBJARRAY(wxHtmlHistoryArray);
+WX_DEFINE_OBJARRAY(wxHtmlHistoryArray)
WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList);
-WX_DEFINE_LIST(wxHtmlProcessorList);
+WX_DEFINE_LIST(wxHtmlProcessorList)
//-----------------------------------------------------------------------------
// wxHtmlWindow
void wxHtmlWindow::Init()
{
- m_tmpMouseMoved = FALSE;
+ m_tmpMouseMoved = false;
m_tmpLastLink = NULL;
m_tmpLastCell = NULL;
m_tmpCanDrawLocks = 0;
m_FS = new wxFileSystem();
+#if wxUSE_STATUSBAR
m_RelatedStatusBar = -1;
+#endif // wxUSE_STATUSBAR
m_RelatedFrame = NULL;
m_TitleFormat = wxT("%s");
m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
m_Parser = new wxHtmlWinParser(this);
m_Parser->SetFS(m_FS);
m_HistoryPos = -1;
- m_HistoryOn = TRUE;
+ m_HistoryOn = true;
m_History = new wxHtmlHistoryArray;
m_Processors = NULL;
m_Style = 0;
SetBorders(10);
+ m_selection = NULL;
+ m_makingSelection = false;
+#if wxUSE_CLIPBOARD
+ m_timerAutoScroll = NULL;
+ m_lastDoubleClick = 0;
+#endif // wxUSE_CLIPBOARD
+ m_backBuffer = NULL;
+ m_eraseBgInOnPaint = false;
+ m_tmpSelFromCell = NULL;
}
-bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
+bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size,
- long style, const wxString& name)
+ long style, const wxString& name)
{
- if (!wxScrolledWindow::Create(parent, id, pos, size,
- style | wxVSCROLL | wxHSCROLL, name))
- return FALSE;
+ if (!wxScrolledWindow::Create(parent, id, pos, size,
+ style | wxVSCROLL | wxHSCROLL,
+ name))
+ return false;
m_Style = style;
SetPage(wxT("<html><body></body></html>"));
- return TRUE;
+ return true;
}
wxHtmlWindow::~wxHtmlWindow()
{
+#if wxUSE_CLIPBOARD
+ StopAutoScrolling();
+#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;
delete m_History;
delete m_Processors;
+ delete m_backBuffer;
}
+#if wxUSE_STATUSBAR
void wxHtmlWindow::SetRelatedStatusBar(int bar)
{
m_RelatedStatusBar = bar;
}
+#endif // wxUSE_STATUSBAR
-void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
+void wxHtmlWindow::SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes)
{
wxString op = m_OpenedPage;
m_Parser->SetFonts(normal_face, fixed_face, sizes);
// fonts changed => contents invalid, so reload the page:
SetPage(wxT("<html><body></body></html>"));
- if (!op.IsEmpty()) LoadPage(op);
+ if (!op.empty())
+ LoadPage(op);
}
+void wxHtmlWindow::SetStandardFonts(int size,
+ const wxString& normal_face,
+ const wxString& fixed_face)
+{
+ wxString op = m_OpenedPage;
+
+ m_Parser->SetStandardFonts(size, normal_face, fixed_face);
+ // fonts changed => contents invalid, so reload the page:
+ SetPage(wxT("<html><body></body></html>"));
+ if (!op.empty())
+ LoadPage(op);
+}
bool wxHtmlWindow::SetPage(const wxString& source)
{
wxString newsrc(source);
+ wxDELETE(m_selection);
+
+ // we will soon delete all the cells, so clear pointers to them:
+ m_tmpSelFromCell = NULL;
+
// 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
wxClientDC *dc = new wxClientDC(this);
dc->SetMapMode(wxMM_TEXT);
SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
+ SetBackgroundImage(wxNullBitmap);
m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
m_Parser->SetDC(dc);
if (m_Cell)
CreateLayout();
if (m_tmpCanDrawLocks == 0)
Refresh();
- return TRUE;
+ return true;
}
bool wxHtmlWindow::AppendToPage(const wxString& source)
bool wxHtmlWindow::LoadPage(const wxString& location)
{
+ wxBusyCursor busyCursor;
+
wxFSFile *f;
bool rt_val;
- bool needs_refresh = FALSE;
-
- SetCursor(*wxHOURGLASS_CURSOR);
- wxYield(); Refresh(FALSE);
+ bool needs_refresh = false;
m_tmpCanDrawLocks++;
if (m_HistoryOn && (m_HistoryPos != -1))
else
{
- needs_refresh = TRUE;
+ needs_refresh = true;
+#if wxUSE_STATUSBAR
// load&display it:
if (m_RelatedStatusBar != -1)
{
m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
- Refresh(FALSE);
+ Refresh(false);
}
+#endif // wxUSE_STATUSBAR
- f = m_FS->OpenFile(location);
+ f = m_Parser->OpenURL(wxHTML_URL_PAGE, location);
+
+ // try to interpret 'location' as filename instead of URL:
+ if (f == NULL)
+ {
+ wxFileName fn(location);
+ wxString location2 = wxFileSystem::FileNameToURL(fn);
+ f = m_Parser->OpenURL(wxHTML_URL_PAGE, location2);
+ }
if (f == NULL)
{
wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
m_tmpCanDrawLocks--;
-
- SetCursor(*wxSTANDARD_CURSOR);
- return FALSE;
+ return false;
}
else
{
- wxNode *node;
+ wxList::compatibility_iterator node;
wxString src = wxEmptyString;
+#if wxUSE_STATUSBAR
if (m_RelatedStatusBar != -1)
{
wxString msg = _("Loading : ") + location;
m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
- Refresh(FALSE);
+ Refresh(false);
}
+#endif // wxUSE_STATUSBAR
node = m_Filters.GetFirst();
while (node)
m_OpenedPage = f->GetLocation();
if (f->GetAnchor() != wxEmptyString)
{
- wxYield();
ScrollToAnchor(f->GetAnchor());
}
delete f;
- if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
+#if wxUSE_STATUSBAR
+ if (m_RelatedStatusBar != -1)
+ m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
+#endif // wxUSE_STATUSBAR
}
}
if (m_OpenedPageTitle == wxEmptyString)
OnSetTitle(wxFileNameFromPath(m_OpenedPage));
- SetCursor(*wxSTANDARD_CURSOR);
if (needs_refresh)
{
- wxYield();
m_tmpCanDrawLocks--;
Refresh();
}
}
+bool wxHtmlWindow::LoadFile(const wxFileName& filename)
+{
+ wxString url = wxFileSystem::FileNameToURL(filename);
+ return LoadPage(url);
+}
+
bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
{
if (!c)
{
wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
- return FALSE;
+ return false;
}
else
{
for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
Scroll(-1, y / wxHTML_SCROLL_STEP);
m_OpenedAnchor = anchor;
- return TRUE;
+ return true;
}
}
{
wxString a, l;
- if (m_HistoryPos < 1) return FALSE;
+ if (m_HistoryPos < 1) return false;
// store scroll position into history item:
int x, y;
l = (*m_History)[m_HistoryPos].GetPage();
a = (*m_History)[m_HistoryPos].GetAnchor();
- m_HistoryOn = FALSE;
+ m_HistoryOn = false;
m_tmpCanDrawLocks++;
if (a == wxEmptyString) LoadPage(l);
else LoadPage(l + wxT("#") + a);
- m_HistoryOn = TRUE;
- wxYield();
+ m_HistoryOn = true;
m_tmpCanDrawLocks--;
Scroll(0, (*m_History)[m_HistoryPos].GetPos());
Refresh();
- return TRUE;
+ return true;
}
bool wxHtmlWindow::HistoryCanBack()
{
- if (m_HistoryPos < 1) return FALSE;
- return TRUE ;
+ if (m_HistoryPos < 1) return false;
+ return true ;
}
{
wxString a, l;
- if (m_HistoryPos == -1) return FALSE;
- if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
+ if (m_HistoryPos == -1) return false;
+ if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
m_HistoryPos++;
l = (*m_History)[m_HistoryPos].GetPage();
a = (*m_History)[m_HistoryPos].GetAnchor();
- m_HistoryOn = FALSE;
+ m_HistoryOn = false;
m_tmpCanDrawLocks++;
if (a == wxEmptyString) LoadPage(l);
else LoadPage(l + wxT("#") + a);
- m_HistoryOn = TRUE;
- wxYield();
+ m_HistoryOn = true;
m_tmpCanDrawLocks--;
Scroll(0, (*m_History)[m_HistoryPos].GetPos());
Refresh();
- return TRUE;
+ return true;
}
bool wxHtmlWindow::HistoryCanForward()
{
- if (m_HistoryPos == -1) return FALSE;
- if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
- return TRUE ;
+ if (m_HistoryPos == -1) return false;
+ if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
+ return true ;
}
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()
{
- delete m_DefaultFilter;
- m_DefaultFilter = NULL;
- m_Filters.DeleteContents(TRUE);
- m_Filters.Clear();
- delete m_GlobalProcessors;
- m_GlobalProcessors = NULL;
- delete s_cur_hand;
- delete s_cur_arrow;
+ wxDELETE(m_DefaultFilter);
+ WX_CLEAR_LIST(wxList, m_Filters);
+ if (m_GlobalProcessors)
+ WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
+ wxDELETE(m_GlobalProcessors);
}
}
+bool wxHtmlWindow::IsSelectionEnabled() const
+{
+#if wxUSE_CLIPBOARD
+ return !(m_Style & wxHW_NO_SELECTION);
+#else
+ return false;
+#endif
+}
+
+
+#if wxUSE_CLIPBOARD
+wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel)
+{
+ if ( !sel )
+ return wxEmptyString;
+
+ wxClientDC dc(this);
+
+ const wxHtmlCell *end = sel->GetToCell();
+ wxString text;
+ wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end);
+ if ( i )
+ {
+ text << i->ConvertToText(sel);
+ ++i;
+ }
+ const wxHtmlCell *prev = *i;
+ while ( i )
+ {
+ if ( prev->GetParent() != i->GetParent() )
+ text << _T('\n');
+ text << i->ConvertToText(*i == end ? sel : NULL);
+ prev = *i;
+ ++i;
+ }
+ return text;
+}
+
+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 )
+ {
+#if defined(__UNIX__) && !defined(__WXMAC__)
+ wxTheClipboard->UsePrimarySelection(t == Primary);
+#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;
+ }
+ }
+#else
+ wxUnusedVar(t);
+#endif // wxUSE_CLIPBOARD
+
+ return false;
+}
void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
{
- LoadPage(link.GetHref());
+ const wxMouseEvent *e = link.GetEvent();
+ if (e == NULL || e->LeftUp())
+ LoadPage(link.GetHref());
}
void wxHtmlWindow::OnCellClicked(wxHtmlCell *cell,
// do nothing here
}
-void wxHtmlWindow::OnDraw(wxDC& dc)
+void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)
+{
+ if ( !m_bmpBg.Ok() )
+ {
+ // don't even skip the event, if we don't have a bg bitmap we're going
+ // to overwrite background in OnPaint() below anyhow, so letting the
+ // default handling take place would only result in flicker, just set a
+ // flag to erase the background below
+ m_eraseBgInOnPaint = true;
+ return;
+ }
+
+ wxDC& dc = *event.GetDC();
+
+ // if the image is not fully opaque, we have to erase the background before
+ // drawing it, however avoid doing it for opaque images as this would just
+ // result in extra flicker without any other effect as background is
+ // completely covered anyhow
+ if ( m_bmpBg.GetMask() )
+ {
+ dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+ dc.Clear();
+ }
+
+ const wxSize sizeWin(GetClientSize());
+ const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight());
+ for ( wxCoord x = 0; x < sizeWin.x; x += sizeBmp.x )
+ {
+ for ( wxCoord y = 0; y < sizeWin.y; y += sizeBmp.y )
+ {
+ dc.DrawBitmap(m_bmpBg, x, y, true /* use mask */);
+ }
+ }
+}
+
+void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
{
- if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return;
+ wxPaintDC dc(this);
+
+ if (m_tmpCanDrawLocks > 0 || m_Cell == NULL)
+ return;
int x, y;
+ GetViewStart(&x, &y);
wxRect rect = GetUpdateRegion().GetBox();
+ wxSize sz = GetSize();
- dc.SetMapMode(wxMM_TEXT);
- dc.SetBackgroundMode(wxTRANSPARENT);
- GetViewStart(&x, &y);
+ wxMemoryDC dcm;
+ if ( !m_backBuffer )
+ m_backBuffer = new wxBitmap(sz.x, sz.y);
+ dcm.SelectObject(*m_backBuffer);
+
+ if ( m_eraseBgInOnPaint )
+ {
+ dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+ dcm.Clear();
+
+ m_eraseBgInOnPaint = false;
+ }
+ else // someone has already erased the background, keep it
+ {
+ // preserve the existing background, otherwise we'd erase anything the
+ // user code had drawn in its EVT_ERASE_BACKGROUND handler when we do
+ // the Blit back below
+ dcm.Blit(0, rect.GetTop(),
+ sz.x, rect.GetBottom() - rect.GetTop() + 1,
+ &dc,
+ 0, rect.GetTop());
+ }
- m_Cell->Draw(dc, 0, 0,
- y * wxHTML_SCROLL_STEP + rect.GetTop(),
- y * wxHTML_SCROLL_STEP + rect.GetBottom());
+ PrepareDC(dcm);
+ dcm.SetMapMode(wxMM_TEXT);
+ dcm.SetBackgroundMode(wxTRANSPARENT);
+
+ wxHtmlRenderingInfo rinfo;
+ wxDefaultHtmlRenderingStyle rstyle;
+ rinfo.SetSelection(m_selection);
+ rinfo.SetStyle(&rstyle);
+ m_Cell->Draw(dcm, 0, 0,
+ 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,
+ &dcm,
+ 0, rect.GetTop());
}
void wxHtmlWindow::OnSize(wxSizeEvent& event)
{
+ wxDELETE(m_backBuffer);
+
wxScrolledWindow::OnSize(event);
CreateLayout();
+
+ // Recompute selection if necessary:
+ if ( m_selection )
+ {
+ m_selection->Set(m_selection->GetFromCell(),
+ m_selection->GetToCell());
+ m_selection->ClearPrivPos();
+ }
+
Refresh();
}
-void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
+void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event))
{
- m_tmpMouseMoved = TRUE;
+ m_tmpMouseMoved = true;
+}
- if (event.ButtonDown())
+void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
+{
+#if wxUSE_CLIPBOARD
+ if ( event.LeftDown() && IsSelectionEnabled() )
{
- if ( m_Cell )
+ const long TRIPLECLICK_LEN = 200; // 0.2 sec after doubleclick
+ if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN )
{
- int sx, sy;
- GetViewStart(&sx, &sy);
- sx *= wxHTML_SCROLL_STEP;
- sy *= wxHTML_SCROLL_STEP;
+ SelectLine(CalcUnscrolledPosition(event.GetPosition()));
- wxPoint pos = event.GetPosition();
- pos.x += sx;
- pos.y += sy;
+ (void) CopySelection();
+ }
+ else
+ {
+ m_makingSelection = true;
- wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
+ if ( m_selection )
+ {
+ wxDELETE(m_selection);
+ Refresh();
+ }
+ m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition());
+ m_tmpSelFromCell = NULL;
- // VZ: is it possible that we don't find anything at all?
- // VS: yes. FindCellByPos returns terminal cell and
- // containers may have empty borders
- if ( cell )
- OnCellClicked(cell, pos.x, pos.y, event);
+ CaptureMouse();
}
}
+#else
+ wxUnusedVar(event);
+#endif // wxUSE_CLIPBOARD
}
+void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
+{
+#if wxUSE_CLIPBOARD
+ if ( m_makingSelection )
+ {
+ ReleaseMouse();
+ m_makingSelection = false;
+ // did the user move the mouse far enough from starting point?
+ if ( CopySelection(Primary) )
+ {
+ // we don't want mouse up event that ended selecting to be
+ // handled as mouse click and e.g. follow hyperlink:
+ return;
+ }
+ }
+#endif // wxUSE_CLIPBOARD
-void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
-{
- if (s_cur_hand == NULL)
+ SetFocus();
+ if ( m_Cell )
{
- s_cur_hand = new wxCursor(wxCURSOR_HAND);
- s_cur_arrow = new wxCursor(wxCURSOR_ARROW);
+ wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
+ wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
+
+ // 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::OnInternalIdle()
+{
+ wxWindow::OnInternalIdle();
if (m_tmpMouseMoved && (m_Cell != NULL))
{
- int sx, sy;
- GetViewStart(&sx, &sy);
- sx *= wxHTML_SCROLL_STEP;
- sy *= wxHTML_SCROLL_STEP;
-
- int x, y;
- wxGetMousePosition(&x, &y);
- ScreenToClient(&x, &y);
- x += sx;
- y += sy;
+#ifdef DEBUG_HTML_SELECTION
+ Refresh();
+#endif
+ int xc, yc, x, y;
+ wxGetMousePosition(&xc, &yc);
+ ScreenToClient(&xc, &yc);
+ CalcUnscrolledPosition(xc, yc, &x, &y);
wxHtmlCell *cell = m_Cell->FindCellByPos(x, y);
+
+ // handle selection update:
+ if ( m_makingSelection )
+ {
+ 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)
+ {
+ m_tmpSelFromCell = m_Cell->FindCellByPos(
+ m_tmpSelFromPos.x,m_tmpSelFromPos.y,
+ wxHTML_FIND_NEAREST_AFTER);
+ if (!m_tmpSelFromCell)
+ m_tmpSelFromCell = m_Cell->GetFirstTerminal();
+ }
+ else
+ {
+ m_tmpSelFromCell = m_Cell->FindCellByPos(
+ m_tmpSelFromPos.x,m_tmpSelFromPos.y,
+ wxHTML_FIND_NEAREST_BEFORE);
+ if (!m_tmpSelFromCell)
+ m_tmpSelFromCell = m_Cell->GetLastTerminal();
+ }
+ }
+
+ wxHtmlCell *selcell = cell;
+ if (!selcell)
+ {
+ if (goingDown)
+ {
+ selcell = m_Cell->FindCellByPos(x, y,
+ wxHTML_FIND_NEAREST_BEFORE);
+ if (!selcell)
+ selcell = m_Cell->GetLastTerminal();
+ }
+ else
+ {
+ selcell = m_Cell->FindCellByPos(x, y,
+ 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.
+ if ( selcell && m_tmpSelFromCell )
+ {
+ if ( !m_selection )
+ {
+ // start selecting only if mouse movement was big enough
+ // (otherwise it was meant as mouse click, not selection):
+ const int PRECISION = 2;
+ wxPoint diff = m_tmpSelFromPos - wxPoint(x,y);
+ if (abs(diff.x) > PRECISION || abs(diff.y) > PRECISION)
+ {
+ m_selection = new wxHtmlSelection();
+ }
+ }
+ if ( m_selection )
+ {
+ if ( m_tmpSelFromCell->IsBefore(selcell) )
+ {
+ m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell,
+ wxPoint(x,y), selcell); }
+ else
+ {
+ m_selection->Set(wxPoint(x,y), selcell,
+ m_tmpSelFromPos, m_tmpSelFromCell);
+ }
+ m_selection->ClearPrivPos();
+ Refresh();
+ }
+ }
+ }
+
+ // 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 wxUSE_STATUSBAR
if (lnk == NULL)
{
- SetCursor(*s_cur_arrow);
if (m_RelatedStatusBar != -1)
- m_RelatedFrame->SetStatusText(wxEmptyString, m_RelatedStatusBar);
+ m_RelatedFrame->SetStatusText(wxEmptyString,
+ m_RelatedStatusBar);
}
else
{
- SetCursor(*s_cur_hand);
if (m_RelatedStatusBar != -1)
- m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar);
+ m_RelatedFrame->SetStatusText(lnk->GetHref(),
+ m_RelatedStatusBar);
}
+#endif // wxUSE_STATUSBAR
m_tmpLastLink = lnk;
}
OnCellMouseHover(cell, x, y);
}
- m_tmpMouseMoved = FALSE;
+ m_tmpMouseMoved = false;
+ }
+}
+
+#if wxUSE_CLIPBOARD
+void wxHtmlWindow::StopAutoScrolling()
+{
+ if ( m_timerAutoScroll )
+ {
+ wxDELETE(m_timerAutoScroll);
}
}
+void wxHtmlWindow::OnMouseEnter(wxMouseEvent& event)
+{
+ StopAutoScrolling();
+ event.Skip();
+}
+
+void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event)
+{
+ // don't prevent the usual processing of the event from taking place
+ event.Skip();
+
+ // when a captured mouse leave a scrolled window we start generate
+ // scrolling events to allow, for example, extending selection beyond the
+ // visible area in some controls
+ if ( wxWindow::GetCapture() == this )
+ {
+ // where is the mouse leaving?
+ int pos, orient;
+ wxPoint pt = event.GetPosition();
+ if ( pt.x < 0 )
+ {
+ orient = wxHORIZONTAL;
+ pos = 0;
+ }
+ else if ( pt.y < 0 )
+ {
+ orient = wxVERTICAL;
+ pos = 0;
+ }
+ else // we're lower or to the right of the window
+ {
+ wxSize size = GetClientSize();
+ if ( pt.x > size.x )
+ {
+ orient = wxHORIZONTAL;
+ pos = GetVirtualSize().x / wxHTML_SCROLL_STEP;
+ }
+ else if ( pt.y > size.y )
+ {
+ orient = wxVERTICAL;
+ pos = GetVirtualSize().y / wxHTML_SCROLL_STEP;
+ }
+ else // this should be impossible
+ {
+ // but seems to happen sometimes under wxMSW - maybe it's a bug
+ // there but for now just ignore it
+
+ //wxFAIL_MSG( _T("can't understand where has mouse gone") );
+
+ return;
+ }
+ }
+
+ // only start the auto scroll timer if the window can be scrolled in
+ // this direction
+ if ( !HasScrollbar(orient) )
+ return;
+
+ delete m_timerAutoScroll;
+ m_timerAutoScroll = new wxHtmlWinAutoScrollTimer
+ (
+ this,
+ pos == 0 ? wxEVT_SCROLLWIN_LINEUP
+ : wxEVT_SCROLLWIN_LINEDOWN,
+ pos,
+ orient
+ );
+ m_timerAutoScroll->Start(50); // FIXME: make configurable
+ }
+}
+
+void wxHtmlWindow::OnKeyUp(wxKeyEvent& event)
+{
+ if ( IsSelectionEnabled() &&
+ event.GetKeyCode() == 'C' && event.ControlDown() )
+ {
+ (void) CopySelection();
+ }
+}
+
+void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ (void) CopySelection();
+}
+
+void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
+{
+ // select word under cursor:
+ if ( IsSelectionEnabled() )
+ {
+ 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 )
+ {
+ delete m_selection;
+ m_selection = new wxHtmlSelection();
+ m_selection->Set(cell, cell);
+ RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()),
+ wxSize(cell->GetWidth(), cell->GetHeight())));
+ }
+ }
+}
+
+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_DOWN(wxHtmlWindow::OnMouseEvent)
- EVT_RIGHT_DOWN(wxHtmlWindow::OnMouseEvent)
- EVT_MOTION(wxHtmlWindow::OnMouseEvent)
- EVT_IDLE(wxHtmlWindow::OnIdle)
+ EVT_LEFT_DOWN(wxHtmlWindow::OnMouseDown)
+ EVT_LEFT_UP(wxHtmlWindow::OnMouseUp)
+ EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
+ EVT_MOTION(wxHtmlWindow::OnMouseMove)
+ EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground)
+ EVT_PAINT(wxHtmlWindow::OnPaint)
+#if wxUSE_CLIPBOARD
+ EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick)
+ EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter)
+ EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave)
+ EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
+ EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
+#endif // wxUSE_CLIPBOARD
END_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
public:
wxHtmlWinModule() : wxModule() {}
- bool OnInit() { return TRUE; }
+ bool OnInit() { return true; }
void OnExit() { wxHtmlWindow::CleanUpStatics(); }
};
#include "wx/html/forcelnk.h"
FORCE_WXHTML_MODULES()
-#endif
+#endif // wxUSE_HTML
+
projects / wxWidgets.git / blobdiff