X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a5f81d8c07022c086723a587488750ef055439e3..dd59841c337611841bf6e9317f2730d48163b08c:/user/wxLayout/wxlwindow.cpp?ds=sidebyside diff --git a/user/wxLayout/wxlwindow.cpp b/user/wxLayout/wxlwindow.cpp index fd77b00bed..03d1a6bd09 100644 --- a/user/wxLayout/wxlwindow.cpp +++ b/user/wxLayout/wxlwindow.cpp @@ -1,7 +1,7 @@ /*-*- c++ -*-******************************************************** * wxLwindow.h : a scrolled Window for displaying/entering rich text* * * - * (C) 1998 by Karsten Ballüder (Ballueder@usa.net) * + * (C) 1998, 1999 by Karsten Ballüder (Ballueder@usa.net) * * * * $Id$ *******************************************************************/ @@ -10,140 +10,499 @@ # pragma implementation "wxlwindow.h" #endif -#include "wxlwindow.h" +//#include "Mpch.h" -#define VAR(x) cout << #x"=" << x << endl; +#ifdef M_BASEDIR +# ifndef USE_PCH +# include "Mcommon.h" +# include "gui/wxMenuDefs.h" +# include "gui/wxMApp.h" +# endif // USE_PCH + +# include "gui/wxlwindow.h" +# include "gui/wxlparser.h" +#else +# ifdef __WXMSW__ +# include +# undef FindWindow +# undef GetCharWidth +# undef StartDoc +# endif + +# include "wxlwindow.h" +# include "wxlparser.h" +#endif + +#include +#include + +#include + +/// offsets to put a nice frame around text +#define WXLO_XOFFSET 4 +#define WXLO_YOFFSET 4 + +/// offset to the right and bottom for when to redraw scrollbars +#define WXLO_ROFFSET 20 +#define WXLO_BOFFSET 20 BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow) - EVT_PAINT (wxLayoutWindow::OnPaint) - EVT_CHAR (wxLayoutWindow::OnChar) - EVT_LEFT_DOWN(wxLayoutWindow::OnMouse) + EVT_PAINT (wxLayoutWindow::OnPaint) + EVT_CHAR (wxLayoutWindow::OnChar) + EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseClick) + EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick) + EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick) + EVT_MENU_RANGE(WXLOWIN_MENU_FIRST, WXLOWIN_MENU_LAST, wxLayoutWindow::OnMenu) + EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus) + EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus) END_EVENT_TABLE() wxLayoutWindow::wxLayoutWindow(wxWindow *parent) - : wxScrolledWindow(parent) + : wxScrolledWindow(parent, -1, wxDefaultPosition, wxDefaultSize, + wxHSCROLL | wxVSCROLL | wxBORDER) + +{ + m_Editable = false; + m_doSendEvents = false; + m_ViewStartX = 0; m_ViewStartY = 0; + m_DoPopupMenu = true; + m_PopupMenu = MakeFormatMenu(); + m_memDC = new wxMemoryDC; + m_bitmap = new wxBitmap(4,4); + m_bitmapSize = wxPoint(4,4); + m_llist = new wxLayoutList(); + m_BGbitmap = NULL; + SetWrapMargin(0); + wxPoint max = m_llist->GetSize(); + SetScrollbars(10, 20 /*lineHeight*/, max.x/10+1, max.y/20+1); + EnableScrolling(true,true); + m_maxx = max.x; m_maxy = max.y; + SetCursor(wxCURSOR_IBEAM); + SetDirty(); +} + +wxLayoutWindow::~wxLayoutWindow() +{ + delete m_memDC; // deletes bitmap automatically (?) + delete m_bitmap; + delete m_llist; + delete m_PopupMenu; + SetBackgroundBitmap(NULL); +} + +#ifdef __WXMSW__ +long +wxLayoutWindow::MSWGetDlgCode() { - m_ScrollbarsSet = false; - m_EventId = 0; + // if we don't return this, we won't get OnChar() events for TABs and ENTER + return DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_WANTMESSAGE; } +#endif //MSW void -wxLayoutWindow::OnMouse(wxMouseEvent& event) +wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event) { - if(m_EventId == 0) // nothing to do - return; + wxPaintDC dc( this ); + PrepareDC( dc ); + SetFocus(); + - m_FindPos.x = event.GetX(); - m_FindPos.y = event.GetY(); - m_FoundObject = NULL; + wxPoint findPos; + findPos.x = dc.DeviceToLogicalX(event.GetX()); + findPos.y = dc.DeviceToLogicalY(event.GetY()); -#ifdef DEBUG - cerr << "OnMouse: " << m_FindPos.x << ',' << m_FindPos.y << endl; + findPos.x -= WXLO_XOFFSET; + findPos.y -= WXLO_YOFFSET; + + if(findPos.x < 0) findPos.x = 0; + if(findPos.y < 0) findPos.y = 0; + + m_ClickPosition = wxPoint(event.GetX(), event.GetY()); +#ifdef WXLAYOUT_DEBUG + wxLogDebug("wxLayoutWindow::OnMouse: (%d, %d) -> (%d, %d)", + event.GetX(), event.GetY(), findPos.x, findPos.y); #endif - Refresh(); - if(m_FoundObject) + + wxPoint cursorPos; + wxLayoutObject *obj = m_llist->FindObjectScreen(dc, findPos, &cursorPos); + +#ifdef WXLAYOUT_DEBUG + if(obj) + wxLogDebug("wxLayoutWindow::OnMouse: Found object of type %d.", + obj->GetType()); + else + wxLogDebug("wxLayoutWindow::OnMouse: Found no object."); +#endif + + // always move cursor to mouse click: + if(obj && eventId == WXLOWIN_MENU_LCLICK) { - if(m_EventId) - { - wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, m_EventId); - commandEvent.SetEventObject( this ); - GetEventHandler()->ProcessEvent(commandEvent); - } + m_llist->MoveCursorTo(cursorPos); + DoPaint(false); + } + if(!m_doSendEvents) // nothing to do + return; + + // only do the menu if activated, editable and not on a clickable object + if(eventId == WXLOWIN_MENU_RCLICK + && IsEditable() + && (! obj || (obj && obj->GetUserData() == NULL)) + ) + { + PopupMenu(m_PopupMenu, m_ClickPosition.x, m_ClickPosition.y); + return; + } + // find the object at this position + if(obj) + { + wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId); + commandEvent.SetEventObject( this ); + commandEvent.SetClientData((char *)obj); + GetEventHandler()->ProcessEvent(commandEvent); } } /* - * some simple keyboard handling + * Some simple keyboard handling. */ void wxLayoutWindow::OnChar(wxKeyEvent& event) { + if(!IsEditable()) // do nothing + { + event.Skip(); + return; + } + long keyCode = event.KeyCode(); - switch(event.KeyCode()) + /* First, handle control keys */ + if(event.ControlDown() && ! event.AltDown()) { - case WXK_RIGHT: - m_llist.MoveCursor(1); - break; - case WXK_LEFT: - m_llist.MoveCursor(-1); - break; - case WXK_UP: - m_llist.MoveCursor(0,-1); - break; - case WXK_DOWN: - m_llist.MoveCursor(0,1); - break; - case WXK_PRIOR: - m_llist.MoveCursor(0,-20); - break; - case WXK_NEXT: - m_llist.MoveCursor(0,20); - break; - case WXK_DELETE : - m_llist.Delete(1); - break; - case WXK_BACK: // backspace - m_llist.MoveCursor(-1); - m_llist.Delete(1); - break; - case WXK_RETURN: - m_llist.LineBreak(); - break; -#ifdef DEBUG - case WXK_F1: - m_llist.Debug(); - break; -#endif - default: - if(keyCode < 256 && keyCode >= 32) + switch(event.KeyCode()) { - wxString tmp; - tmp += keyCode; - m_llist.Insert(tmp); + case WXK_DELETE : + case 'd': + m_llist->Delete(1); + break; + case 'y': + m_llist->DeleteLines(1); + break; + case 'h': // like backspace + if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1); + break; + case 'u': + m_llist->DeleteToBeginOfLine(); + break; + case 'k': + m_llist->DeleteToEndOfLine(); + break; +#ifdef WXLAYOUT_DEBUG + case WXK_F1: + m_llist->SetFont(-1,-1,-1,-1,true); // underlined + break; +#endif + default: + ; } - break; } - Refresh(); - UpdateScrollbars(); + // ALT only: + else if( event.AltDown() && ! event.ControlDown() ) + { + switch(event.KeyCode()) + { + case WXK_DELETE: + case 'd': + m_llist->DeleteWord(); + break; + default: + ; + } + } + // no control keys: + else if ( ! event.AltDown() && ! event.ControlDown()) + { + switch(event.KeyCode()) + { + case WXK_RIGHT: + m_llist->MoveCursorHorizontally(1); + break; + case WXK_LEFT: + m_llist->MoveCursorHorizontally(-1); + break; + case WXK_UP: + m_llist->MoveCursorVertically(-1); + break; + case WXK_DOWN: + m_llist->MoveCursorVertically(1); + break; + case WXK_PRIOR: + m_llist->MoveCursorVertically(-20); + break; + case WXK_NEXT: + m_llist->MoveCursorVertically(20); + break; + case WXK_HOME: + m_llist->MoveCursorToBeginOfLine(); + break; + case WXK_END: + m_llist->MoveCursorToEndOfLine(); + break; + case WXK_DELETE : + m_llist->Delete(1); + break; + case WXK_BACK: // backspace + if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1); + break; + case WXK_RETURN: + if(m_WrapMargin > 0) + m_llist->WrapLine(m_WrapMargin); + m_llist->LineBreak(); + break; + default: + if((!(event.ControlDown() || event.AltDown() || event.MetaDown())) + && (keyCode < 256 && keyCode >= 32) + ) + { + wxString tmp; + tmp += keyCode; + if(m_WrapMargin > 0 && isspace(keyCode)) + m_llist->WrapLine(m_WrapMargin); + m_llist->Insert(tmp); + } + break; + } + } + SetDirty(); + SetModified(); + DoPaint(true); // paint and scroll to cursor } void -wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)w) // or: OnDraw(wxDC& dc) +wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event)) // or: OnDraw(wxDC& dc) { - wxPaintDC dc( this ); // only when used as OnPaint for OnDraw we - PrepareDC( dc ); // can skip the first two lines + m_ScrollToCursor = false; + InternalPaint(); +} - if(m_EventId) // look for keyclicks - m_FoundObject = m_llist.Draw(dc,true,m_FindPos); - else - m_llist.Draw(dc); - if(! m_ScrollbarsSet) +void +wxLayoutWindow::DoPaint(bool scrollToCursor) +{ + m_ScrollToCursor = scrollToCursor; +#ifdef __WXGTK__ + InternalPaint(); +#else + Refresh(FALSE); // Causes bad flicker under wxGTK!!! +#endif +} + +void +wxLayoutWindow::InternalPaint(void) +{ + wxPaintDC dc( this ); + PrepareDC( dc ); + + int x0,y0,x1,y1, dx, dy; + + // Calculate where the top of the visible area is: + ViewStart(&x0,&y0); + GetScrollPixelsPerUnit(&dx, &dy); + x0 *= dx; y0 *= dy; + + // Get the size of the visible window: + GetClientSize(&x1,&y1); + wxASSERT(x1 > 0); + wxASSERT(y1 > 0); + // As we have the values anyway, use them to avoid unnecessary + // scrollbar updates. + if(x1 > m_maxx) m_maxx = x1; + if(y1 > m_maxy) m_maxy = y1; + + // Maybe we need to change the scrollbar sizes or positions, + // so layout the list and check: + if(IsDirty()) + m_llist->Layout(dc); + // this is needed even when only the cursor moved + m_llist->Layout(dc,y0+y1); + + if(IsDirty()) + ResizeScrollbars(); + + /* Make sure that the scrollbars are at a position so that the + cursor is visible if we are editing. */ + /** Scroll so that cursor is visible! */ + if(IsEditable() && m_ScrollToCursor) { - m_ScrollbarsSet = true; // avoid recursion - UpdateScrollbars(); + wxPoint cc = m_llist->GetCursorScreenPos(); + if(cc.x < x0 || cc.y < y0 + || cc.x >= x0+(9*x1)/10 || cc.y >= y0+(9*y1/10)) // (9*x)/10 == 90% + { + int nx, ny; + nx = cc.x - x1/2; if(nx < 0) nx = 0; + ny = cc.y - y1/2; if(ny < 0) ny = 0; + Scroll(nx/dx,ny/dy); // new view start + x0 = nx; y0 = ny; + } + } + + /* Check whether the window has grown, if so, we need to reallocate + the bitmap to be larger. */ + if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y) + { + wxASSERT(m_bitmapSize.x > 0); + wxASSERT(m_bitmapSize.y > 0); + + m_memDC->SelectObject(wxNullBitmap); + delete m_bitmap; + m_bitmapSize = wxPoint(x1,y1); + m_bitmap = new wxBitmap(x1,y1); + m_memDC->SelectObject(*m_bitmap); + } + // Device origins on the memDC are suspect, we translate manually + // with the translate parameter of Draw(). + m_memDC->SetDeviceOrigin(0,0); + m_memDC->SetBackgroundMode(wxTRANSPARENT); + m_memDC->SetBrush(wxBrush(*m_llist->GetDefaults()->GetBGColour(), wxSOLID)); + m_memDC->SetPen(wxPen(*m_llist->GetDefaults()->GetBGColour(),0,wxTRANSPARENT)); + m_memDC->SetLogicalFunction(wxCOPY); + if(m_BGbitmap) + { + CoordType + y, x, + w = m_BGbitmap->GetWidth(), + h = m_BGbitmap->GetHeight(); + for(y = 0; y < y1; y+=h) + for(x = 0; x < x1; x+=w) + m_memDC->DrawBitmap(*m_BGbitmap, x, y); } + else + m_memDC->DrawRectangle(0,0,x1, y1); + + // The offsets give the window a tiny border on the left and top, looks nice. + wxPoint offset(-x0+WXLO_XOFFSET,-y0+WXLO_YOFFSET); + m_llist->Draw(*m_memDC,offset); + if(IsEditable()) + m_llist->DrawCursor(*m_memDC,m_HaveFocus,offset); + + // Now copy everything to the screen: + wxRegionIterator ri ( GetUpdateRegion() ); + if(ri) + while(ri) + { + dc.Blit(x0+ri.GetX(),y0+ri.GetY(),ri.GetW(),ri.GetH(), + m_memDC,ri.GetX(),ri.GetY(),wxCOPY,FALSE); + ri++; + } + else + // If there are no update rectangles, we got called to reflect + // a change in the list. Currently there is no mechanism to + // easily find out which bits need updating, so we update + // all. The wxLayoutList could handle this, creating a list or + // at least one large rectangle of changes. FIXME + dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,FALSE); + + ResetDirty(); } +// change the range and position of scroll bars void -wxLayoutWindow::UpdateScrollbars(void) +wxLayoutWindow::ResizeScrollbars(bool exact) { - CoordType - max_x, max_y, lineHeight; + wxPoint max = m_llist->GetSize(); - m_llist.GetSize(&max_x, &max_y, &lineHeight); - SetScrollbars(10, lineHeight, max_x/10+1, max_y/lineHeight+1); - EnableScrolling(true,true); + if(max.x > m_maxx || max.y > m_maxy + || max.x > m_maxx-WXLO_ROFFSET || max.y > m_maxy-WXLO_BOFFSET + || exact) + { + if(! exact) + { + // add an extra bit to the sizes to avoid future updates + max.x = max.x+WXLO_ROFFSET; + max.y = max.y+WXLO_BOFFSET; + } + ViewStart(&m_ViewStartX, &m_ViewStartY); + SetScrollbars(10, 20, max.x/10+1,max.y/20+1,m_ViewStartX,m_ViewStartY,true); + m_maxx = max.x; m_maxy = max.y; + } } void -wxLayoutWindow::Print(void) +wxLayoutWindow::Paste(void) { - wxPostScriptDC dc("layout.ps",true,this); - if (dc.Ok() && dc.StartDoc((char *)_("Printing message..."))) + // Read some text + if (wxTheClipboard->Open()) { - //dc.SetUserScale(1.0, 1.0); - m_llist.Draw(dc); - dc.EndDoc(); + wxTextDataObject data; + if (wxTheClipboard->IsSupported(wxDF_TEXT)) + { + wxTheClipboard->GetData(&data); + wxLayoutImportText( m_llist, data.GetText()); + } + wxTheClipboard->Close(); } } + + +wxMenu * +wxLayoutWindow::MakeFormatMenu() +{ + wxMenu *m = new wxMenu(_("Layout Menu")); + + m->Append(WXLOWIN_MENU_LARGER ,_("&Larger"),_("Switch to larger font."), false); + m->Append(WXLOWIN_MENU_SMALLER ,_("&Smaller"),_("Switch to smaller font."), false); + m->AppendSeparator(); + m->Append(WXLOWIN_MENU_UNDERLINE_ON, _("&Underline on"),_("Activate underline mode."), false); + m->Append(WXLOWIN_MENU_UNDERLINE_OFF,_("&Underline off"),_("Deactivate underline mode."), false); + m->Append(WXLOWIN_MENU_BOLD_ON ,_("&Bold on"),_("Activate bold mode."), false); + m->Append(WXLOWIN_MENU_BOLD_OFF ,_("&Bold off"),_("Deactivate bold mode."), false); + m->Append(WXLOWIN_MENU_ITALICS_ON ,_("&Italics on"),_("Activate italics mode."), false); + m->Append(WXLOWIN_MENU_ITALICS_OFF ,_("&Italics off"),_("Deactivate italics mode."), false); + m->AppendSeparator(); + m->Append(WXLOWIN_MENU_ROMAN ,_("&Roman"),_("Switch to roman font."), false); + m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Switch to typewriter font."), false); + m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Switch to sans serif font."), false); + return m; +} + +void wxLayoutWindow::OnMenu(wxCommandEvent& event) +{ + switch (event.GetId()) + { + case WXLOWIN_MENU_LARGER: + m_llist->SetFontLarger(); break; + case WXLOWIN_MENU_SMALLER: + m_llist->SetFontSmaller(); break; + case WXLOWIN_MENU_UNDERLINE_ON: + m_llist->SetFontUnderline(true); break; + case WXLOWIN_MENU_UNDERLINE_OFF: + m_llist->SetFontUnderline(false); break; + case WXLOWIN_MENU_BOLD_ON: + m_llist->SetFontWeight(wxBOLD); break; + case WXLOWIN_MENU_BOLD_OFF: + m_llist->SetFontWeight(wxNORMAL); break; + case WXLOWIN_MENU_ITALICS_ON: + m_llist->SetFontStyle(wxITALIC); break; + case WXLOWIN_MENU_ITALICS_OFF: + m_llist->SetFontStyle(wxNORMAL); break; + case WXLOWIN_MENU_ROMAN: + m_llist->SetFontFamily(wxROMAN); break; + case WXLOWIN_MENU_TYPEWRITER: + m_llist->SetFontFamily(wxFIXED); break; + case WXLOWIN_MENU_SANSSERIF: + m_llist->SetFontFamily(wxSWISS); break; + } +} + +void +wxLayoutWindow::OnSetFocus(wxFocusEvent &ev) +{ + m_HaveFocus = true; + DoPaint(); // to repaint the cursor +} + +void +wxLayoutWindow::OnKillFocus(wxFocusEvent &ev) +{ + m_HaveFocus = false; + DoPaint(); // to repaint the cursor +}