/////////////////////////////////////////////////////////////////////////////
-// Name: htmlwin.cpp
+// Name: src/html/htmlwin.cpp
// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
// Author: Vaclav Slavik
// RCS-ID: $Id$
#include "wx/wxprec.h"
-#include "wx/defs.h"
-#if wxUSE_HTML && wxUSE_STREAMS
-
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#ifndef WXPRECOMP
+#if wxUSE_HTML && wxUSE_STREAMS
+
+#ifndef WX_PRECOMP
+ #include "wx/list.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/dcclient.h"
#include "wx/frame.h"
+ #include "wx/dcmemory.h"
+ #include "wx/timer.h"
+ #include "wx/settings.h"
+ #include "wx/dataobj.h"
#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"
+// HTML events:
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlLinkEvent, wxCommandEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellEvent, wxCommandEvent)
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_CELL_CLICKED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_CELL_HOVER)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_LINK_CLICKED)
+
#if wxUSE_CLIPBOARD
// ----------------------------------------------------------------------------
WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList);
WX_DEFINE_LIST(wxHtmlProcessorList)
+//-----------------------------------------------------------------------------
+// wxHtmlWindowMouseHelper
+//-----------------------------------------------------------------------------
+
+wxHtmlWindowMouseHelper::wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface)
+ : m_tmpMouseMoved(false),
+ m_tmpLastLink(NULL),
+ m_tmpLastCell(NULL),
+ m_interface(iface)
+{
+}
+
+void wxHtmlWindowMouseHelper::HandleMouseMoved()
+{
+ m_tmpMouseMoved = true;
+}
+
+bool wxHtmlWindowMouseHelper::HandleMouseClick(wxHtmlCell *rootCell,
+ const wxPoint& pos,
+ const wxMouseEvent& event)
+{
+ if (!rootCell)
+ return false;
+
+ wxHtmlCell *cell = rootCell->FindCellByPos(pos.x, pos.y);
+ // this check is needed because FindCellByPos returns terminal cell and
+ // containers may have empty borders -- in this case NULL will be
+ // returned
+ if (!cell)
+ return false;
+
+ // adjust the coordinates to be relative to this cell:
+ wxPoint relpos = pos - cell->GetAbsPos(rootCell);
+
+ return OnCellClicked(cell, relpos.x, relpos.y, event);
+}
+
+void wxHtmlWindowMouseHelper::HandleIdle(wxHtmlCell *rootCell,
+ const wxPoint& pos)
+{
+ wxHtmlCell *cell = rootCell ? rootCell->FindCellByPos(pos.x, pos.y) : NULL;
+
+ if (cell != m_tmpLastCell)
+ {
+ wxHtmlLinkInfo *lnk = NULL;
+ if (cell)
+ {
+ // adjust the coordinates to be relative to this cell:
+ wxPoint relpos = pos - cell->GetAbsPos(rootCell);
+ lnk = cell->GetLink(relpos.x, relpos.y);
+ }
+
+ wxCursor cur;
+ if (cell)
+ cur = cell->GetMouseCursor(m_interface);
+ else
+ cur = m_interface->GetHTMLCursor(
+ wxHtmlWindowInterface::HTMLCursor_Default);
+
+ m_interface->GetHTMLWindow()->SetCursor(cur);
+
+ if (lnk != m_tmpLastLink)
+ {
+ if (lnk)
+ m_interface->SetHTMLStatusText(lnk->GetHref());
+ else
+ m_interface->SetHTMLStatusText(wxEmptyString);
+
+ m_tmpLastLink = lnk;
+ }
+
+ m_tmpLastCell = cell;
+ }
+ else // mouse moved but stayed in the same cell
+ {
+ if ( cell )
+ {
+ OnCellMouseHover(cell, pos.x, pos.y);
+ }
+ }
+
+ m_tmpMouseMoved = false;
+}
+
+bool wxHtmlWindowMouseHelper::OnCellClicked(wxHtmlCell *cell,
+ wxCoord x, wxCoord y,
+ const wxMouseEvent& event)
+{
+ wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_CLICKED,
+ m_interface->GetHTMLWindow()->GetId(),
+ cell, wxPoint(x,y), event);
+
+ if (!m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev))
+ {
+ // if the event wasn't handled, do the default processing here:
+
+ wxASSERT_MSG( cell, _T("can't be called with NULL cell") );
+
+ cell->ProcessMouseClick(m_interface, ev.GetPoint(), ev.GetMouseEvent());
+ }
+
+ // true if a link was clicked, false otherwise
+ return ev.GetLinkClicked();
+}
+
+void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * cell,
+ wxCoord x,
+ wxCoord y)
+{
+ wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_HOVER,
+ m_interface->GetHTMLWindow()->GetId(),
+ cell, wxPoint(x,y), wxMouseEvent());
+ m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev);
+}
+
+
+
+
//-----------------------------------------------------------------------------
// wxHtmlWindow
//-----------------------------------------------------------------------------
+wxList wxHtmlWindow::m_Filters;
+wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
+wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL;
+wxCursor *wxHtmlWindow::ms_cursorLink = NULL;
+wxCursor *wxHtmlWindow::ms_cursorText = NULL;
+
+void wxHtmlWindow::CleanUpStatics()
+{
+ wxDELETE(m_DefaultFilter);
+ WX_CLEAR_LIST(wxList, m_Filters);
+ if (m_GlobalProcessors)
+ WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
+ wxDELETE(m_GlobalProcessors);
+ wxDELETE(ms_cursorLink);
+ wxDELETE(ms_cursorText);
+}
void wxHtmlWindow::Init()
{
- m_tmpMouseMoved = false;
- m_tmpLastLink = NULL;
- m_tmpLastCell = NULL;
m_tmpCanDrawLocks = 0;
m_FS = new wxFileSystem();
#if wxUSE_STATUSBAR
m_HistoryOn = true;
m_History = new wxHtmlHistoryArray;
m_Processors = NULL;
- m_Style = 0;
SetBorders(10);
m_selection = NULL;
m_makingSelection = false;
name))
return false;
- m_Style = style;
SetPage(wxT("<html><body></body></html>"));
return true;
}
{
wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
m_tmpCanDrawLocks--;
+ SetHTMLStatusText(wxEmptyString);
return false;
}
if (!m_Cell) return;
- if (m_Style & wxHW_SCROLLBAR_NEVER)
+ if ( HasFlag(wxHW_SCROLLBAR_NEVER) )
{
- SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
+ SetScrollbars(1, 1, 0, 0); // always off
GetClientSize(&ClientWidth, &ClientHeight);
m_Cell->Layout(ClientWidth);
}
-
- else {
+ else // !wxHW_SCROLLBAR_NEVER
+ {
GetClientSize(&ClientWidth, &ClientHeight);
m_Cell->Layout(ClientWidth);
if (ClientHeight < m_Cell->GetHeight() + GetCharHeight())
-wxList wxHtmlWindow::m_Filters;
-wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
-wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL;
-
-void wxHtmlWindow::CleanUpStatics()
-{
- wxDELETE(m_DefaultFilter);
- WX_CLEAR_LIST(wxList, m_Filters);
- if (m_GlobalProcessors)
- WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
- wxDELETE(m_GlobalProcessors);
-}
-
-
-
void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
{
m_Filters.Append(filter);
bool wxHtmlWindow::IsSelectionEnabled() const
{
#if wxUSE_CLIPBOARD
- return !(m_Style & wxHW_NO_SELECTION);
+ return !HasFlag(wxHW_NO_SELECTION);
#else
return false;
#endif
void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
{
- const wxMouseEvent *e = link.GetEvent();
- if (e == NULL || e->LeftUp())
- LoadPage(link.GetHref());
-}
-
-void wxHtmlWindow::OnCellClicked(wxHtmlCell *cell,
- wxCoord x, wxCoord y,
- const wxMouseEvent& event)
-{
- wxCHECK_RET( cell, _T("can't be called with NULL cell") );
-
- cell->OnMouseClick(this, x, y, event);
-}
-
-void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell),
- wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
-{
- // do nothing here
+ wxHtmlLinkEvent event(GetId(), link);
+ event.SetEventObject(this);
+ if (!GetEventHandler()->ProcessEvent(event))
+ {
+ // the default behaviour is to load the URL in this window
+ const wxMouseEvent *e = event.GetLinkInfo().GetEvent();
+ if (e == NULL || e->LeftUp())
+ LoadPage(event.GetLinkInfo().GetHref());
+ }
}
void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)
// completely covered anyhow
if ( m_bmpBg.GetMask() )
{
- dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+ dc.SetBackground(wxBrush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID));
dc.Clear();
}
if ( m_eraseBgInOnPaint )
{
- dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+ dcm.SetBackground(wxBrush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID));
dcm.Clear();
m_eraseBgInOnPaint = false;
PrepareDC(dcm);
dcm.SetMapMode(wxMM_TEXT);
- dcm.SetBackgroundMode(wxTRANSPARENT);
+ dcm.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
wxHtmlRenderingInfo rinfo;
wxDefaultHtmlRenderingStyle rstyle;
void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event))
{
- m_tmpMouseMoved = true;
+ wxHtmlWindowMouseHelper::HandleMouseMoved();
}
void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
CaptureMouse();
}
}
-#else
- wxUnusedVar(event);
#endif // wxUSE_CLIPBOARD
+
+ // in any case, let the default handler set focus to this window
+ event.Skip();
}
void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
ReleaseMouse();
m_makingSelection = false;
- // did the user move the mouse far enough from starting point?
- if ( CopySelection(Primary) )
+ // if m_selection=NULL, the user didn't move the mouse far enough from
+ // starting point and the mouse up event is part of a click, the user
+ // is not selecting text:
+ if ( m_selection )
{
+ 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
- SetFocus();
- if ( m_Cell )
- {
- 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);
- }
+ wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
+ wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event);
}
+#if wxUSE_CLIPBOARD
+void wxHtmlWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+ if ( !m_makingSelection )
+ return;
+
+ // discard the selecting operation
+ m_makingSelection = false;
+ wxDELETE(m_selection);
+ m_tmpSelFromCell = NULL;
+ Refresh();
+}
+#endif // wxUSE_CLIPBOARD
void wxHtmlWindow::OnInternalIdle()
{
wxWindow::OnInternalIdle();
- if (m_tmpMouseMoved && (m_Cell != NULL))
+ if (m_Cell != NULL && DidMouseMove())
{
#ifdef DEBUG_HTML_SELECTION
Refresh();
if ( m_tmpSelFromCell->IsBefore(selcell) )
{
m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell,
- wxPoint(x,y), selcell); }
+ wxPoint(x,y), selcell);
+ }
else
{
m_selection->Set(wxPoint(x,y), selcell,
}
// 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)
- {
- if (m_RelatedStatusBar != -1)
- m_RelatedFrame->SetStatusText(wxEmptyString,
- m_RelatedStatusBar);
- }
- else
- {
- if (m_RelatedStatusBar != -1)
- m_RelatedFrame->SetStatusText(lnk->GetHref(),
- m_RelatedStatusBar);
- }
-#endif // wxUSE_STATUSBAR
- m_tmpLastLink = lnk;
- }
-
- m_tmpLastCell = cell;
- }
- else // mouse moved but stayed in the same cell
- {
- if ( cell )
- OnCellMouseHover(cell, x, y);
- }
-
- m_tmpMouseMoved = false;
+ // NB: because we're passing in 'cell' and not 'm_Cell' (so that the
+ // leaf cell lookup isn't done twice), we need to adjust the
+ // position for the new root:
+ wxPoint posInCell(x, y);
+ if (cell)
+ posInCell -= cell->GetAbsPos();
+ wxHtmlWindowMouseHelper::HandleIdle(cell, posInCell);
}
}
void wxHtmlWindow::OnKeyUp(wxKeyEvent& event)
{
- if ( IsSelectionEnabled() && event.GetKeyCode() == 'C' && event.CmdDown() )
+ if ( IsSelectionEnabled() &&
+ (event.GetKeyCode() == 'C' && event.CmdDown()) )
{
- (void) CopySelection();
+ wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_COPY, GetId());
+
+ evt.SetEventObject(this);
+
+ GetEventHandler()->ProcessEvent(evt);
}
}
(void) CopySelection();
}
+void wxHtmlWindow::OnClipboardEvent(wxClipboardTextEvent& WXUNUSED(event))
+{
+ (void) CopySelection();
+}
+
void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
{
// select word under cursor:
EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick)
EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter)
EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave)
+ EVT_MOUSE_CAPTURE_LOST(wxHtmlWindow::OnMouseCaptureLost)
EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
+ EVT_TEXT_COPY(wxID_ANY, wxHtmlWindow::OnClipboardEvent)
#endif // wxUSE_CLIPBOARD
END_EVENT_TABLE()
+//-----------------------------------------------------------------------------
+// wxHtmlWindowInterface implementation in wxHtmlWindow
+//-----------------------------------------------------------------------------
+
+void wxHtmlWindow::SetHTMLWindowTitle(const wxString& title)
+{
+ OnSetTitle(title);
+}
+
+void wxHtmlWindow::OnHTMLLinkClicked(const wxHtmlLinkInfo& link)
+{
+ OnLinkClicked(link);
+}
+
+wxHtmlOpeningStatus wxHtmlWindow::OnHTMLOpeningURL(wxHtmlURLType type,
+ const wxString& url,
+ wxString *redirect) const
+{
+ return OnOpeningURL(type, url, redirect);
+}
+wxPoint wxHtmlWindow::HTMLCoordsToWindow(wxHtmlCell *WXUNUSED(cell),
+ const wxPoint& pos) const
+{
+ return CalcScrolledPosition(pos);
+}
+wxWindow* wxHtmlWindow::GetHTMLWindow()
+{
+ return this;
+}
+wxColour wxHtmlWindow::GetHTMLBackgroundColour() const
+{
+ return GetBackgroundColour();
+}
+
+void wxHtmlWindow::SetHTMLBackgroundColour(const wxColour& clr)
+{
+ SetBackgroundColour(clr);
+}
+
+void wxHtmlWindow::SetHTMLBackgroundImage(const wxBitmap& bmpBg)
+{
+ SetBackgroundImage(bmpBg);
+}
+
+void wxHtmlWindow::SetHTMLStatusText(const wxString& text)
+{
+#if wxUSE_STATUSBAR
+ if (m_RelatedStatusBar != -1)
+ m_RelatedFrame->SetStatusText(text, m_RelatedStatusBar);
+#else
+ wxUnusedVar(text);
+#endif // wxUSE_STATUSBAR
+}
+
+/*static*/
+wxCursor wxHtmlWindow::GetDefaultHTMLCursor(HTMLCursor type)
+{
+ switch (type)
+ {
+ case HTMLCursor_Link:
+ if ( !ms_cursorLink )
+ ms_cursorLink = new wxCursor(wxCURSOR_HAND);
+ return *ms_cursorLink;
+
+ case HTMLCursor_Text:
+ if ( !ms_cursorText )
+ ms_cursorText = new wxCursor(wxCURSOR_IBEAM);
+ return *ms_cursorText;
+
+ case HTMLCursor_Default:
+ default:
+ return *wxSTANDARD_CURSOR;
+ }
+}
+
+wxCursor wxHtmlWindow::GetHTMLCursor(HTMLCursor type) const
+{
+ return GetDefaultHTMLCursor(type);
+}
+
+
+//-----------------------------------------------------------------------------
+// wxHtmlWinModule
+//-----------------------------------------------------------------------------
// A module to allow initialization/cleanup
// without calling these functions from app.cpp or from
FORCE_WXHTML_MODULES()
#endif // wxUSE_HTML
-
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