/*****************/ /* drawpanel.cpp */ /*****************/ #include "fctsys.h" #include "appl_wxstruct.h" #include "gr_basic.h" #include "common.h" #include "macros.h" #include "id.h" #include "class_drawpanel.h" #include "class_base_screen.h" #include "wxstruct.h" #include #include "kicad_device_context.h" #define CURSOR_SIZE 12 // Cursor size in pixels #define CLIP_BOX_PADDING 12 /* Definitions for enabling and disabling debugging features in drawpanel.cpp. * Please don't forget to turn these off before making any SvN commits. */ #define DEBUG_SHOW_CLIP_RECT 0 // Set to 1 to draw clipping rectangle. #define DEBUG_DUMP_CLIP_COORDS 0 // Set to 1 to dump clipping rectangle coordinates. #define DEBUG_DUMP_SCROLL_SETTINGS 0 // Set to 1 to dump scroll settings. /* Used to inhibit a response to a mouse left button release, after a * double click (when releasing the left button at the end of the second * click. Used in eeschema to inhibit a mouse left release command when * switching between hierarchical sheets on a double click. */ static bool s_IgnoreNextLeftButtonRelease = false; // Events used by WinEDA_DrawPanel BEGIN_EVENT_TABLE( WinEDA_DrawPanel, wxScrolledWindow ) EVT_LEAVE_WINDOW( WinEDA_DrawPanel::OnMouseLeaving ) EVT_MOUSEWHEEL( WinEDA_DrawPanel::OnMouseWheel ) EVT_MOUSE_EVENTS( WinEDA_DrawPanel::OnMouseEvent ) EVT_CHAR( WinEDA_DrawPanel::OnKeyEvent ) EVT_CHAR_HOOK( WinEDA_DrawPanel::OnKeyEvent ) EVT_PAINT( WinEDA_DrawPanel::OnPaint ) EVT_SIZE( WinEDA_DrawPanel::OnSize ) EVT_SCROLLWIN( WinEDA_DrawPanel::OnScroll ) EVT_ACTIVATE( WinEDA_DrawPanel::OnActivate ) EVT_MENU_RANGE( ID_PAN_UP, ID_PAN_RIGHT, WinEDA_DrawPanel::OnPan ) END_EVENT_TABLE() /***********************************************************************/ /* WinEDA_DrawPanel base functions (WinEDA_DrawPanel is the main panel)*/ /***********************************************************************/ WinEDA_DrawPanel::WinEDA_DrawPanel( WinEDA_DrawFrame* parent, int id, const wxPoint& pos, const wxSize& size ) : wxScrolledWindow( parent, id, pos, size, wxBORDER | wxNO_FULL_REPAINT_ON_RESIZE ) { m_Parent = parent; wxASSERT( m_Parent ); m_scrollIncrementX = MIN( size.x / 8, 10 ); m_scrollIncrementY = MIN( size.y / 8, 10 ); SetBackgroundColour( wxColour( ColorRefs[g_DrawBgColor].m_Red, ColorRefs[g_DrawBgColor].m_Green, ColorRefs[g_DrawBgColor].m_Blue ) ); #if defined KICAD_USE_BUFFERED_DC || defined KICAD_USE_BUFFERED_PAINTDC SetBackgroundStyle( wxBG_STYLE_CUSTOM ); #endif EnableScrolling( TRUE, TRUE ); m_ClipBox.SetSize( size ); m_ClipBox.SetX( 0 ); m_ClipBox.SetY( 0 ); m_CanStartBlock = -1; // Command block can start if >= 0 m_AbortEnable = m_AbortRequest = false; m_AutoPAN_Enable = TRUE; m_IgnoreMouseEvents = 0; ManageCurseur = NULL; ForceCloseManageCurseur = NULL; if( wxGetApp().m_EDA_Config ) wxGetApp().m_EDA_Config->Read( wxT( "AutoPAN" ), &m_AutoPAN_Enable, true ); m_AutoPAN_Request = false; m_Block_Enable = false; m_PanelDefaultCursor = m_PanelCursor = wxCURSOR_ARROW; m_CursorLevel = 0; m_PrintIsMirrored = false; } WinEDA_DrawPanel::~WinEDA_DrawPanel() { wxGetApp().m_EDA_Config->Write( wxT( "AutoPAN" ), m_AutoPAN_Enable ); } BASE_SCREEN* WinEDA_DrawPanel::GetScreen() { WinEDA_DrawFrame* parentFrame = m_Parent; return parentFrame->GetBaseScreen(); } /* * Draw the schematic cursor which is usually on grid */ void WinEDA_DrawPanel::DrawCursor( wxDC* aDC, int aColor ) { if( m_CursorLevel != 0 || aDC == NULL ) return; #ifdef __WXMAC__ SetCursor(*wxCROSS_CURSOR); return; #endif wxPoint Cursor = GetScreen()->m_Curseur; GRSetDrawMode( aDC, GR_XOR ); if( m_Parent->m_CursorShape == 1 ) /* Draws a crosshair. */ { #ifdef USE_WX_ZOOM wxSize clientSize = GetClientSize(); wxPoint lineStart = wxPoint( Cursor.x, aDC->DeviceToLogicalY( 0 ) ); wxPoint lineEnd = wxPoint( Cursor.x, aDC->DeviceToLogicalY( clientSize.y ) ); GRLine( &m_ClipBox, aDC, lineStart, lineEnd, 0, aColor ); // Y azis lineStart = wxPoint( aDC->DeviceToLogicalX( 0 ), Cursor.y ); lineEnd = wxPoint( aDC->DeviceToLogicalX( clientSize.x ), Cursor.y ); GRLine( &m_ClipBox, aDC, lineStart, lineEnd, 0, aColor ); // X azis #else int dx = GetScreen()->Unscale( m_ClipBox.GetWidth() ); int dy = GetScreen()->Unscale( m_ClipBox.GetHeight() ); GRLine( &m_ClipBox, aDC, Cursor.x - dx, Cursor.y, Cursor.x + dx, Cursor.y, 0, aColor ); // Y axis GRLine( &m_ClipBox, aDC, Cursor.x, Cursor.y - dx, Cursor.x, Cursor.y + dy, 0, aColor ); // X axis #endif } else { #ifdef USE_WX_ZOOM int len = aDC->DeviceToLogicalXRel( CURSOR_SIZE ); #else int len = GetScreen()->Unscale( CURSOR_SIZE ); #endif GRLine( &m_ClipBox, aDC, Cursor.x - len, Cursor.y, Cursor.x + len, Cursor.y, 0, aColor ); GRLine( &m_ClipBox, aDC, Cursor.x, Cursor.y - len, Cursor.x, Cursor.y + len, 0, aColor ); } } /* * Remove the grid cursor from the display in preparation for other drawing * operations */ void WinEDA_DrawPanel::CursorOff( wxDC* DC ) { DrawCursor( DC ); --m_CursorLevel; } /* * Display the grid cursor */ void WinEDA_DrawPanel::CursorOn( wxDC* DC ) { ++m_CursorLevel; DrawCursor( DC ); if( m_CursorLevel > 0 ) // Shouldn't happen, but just in case .. m_CursorLevel = 0; } int WinEDA_DrawPanel::GetZoom() { return GetScreen()->GetZoom(); } void WinEDA_DrawPanel::SetZoom( int zoom ) { GetScreen()->SetZoom( zoom ); } wxRealPoint WinEDA_DrawPanel::GetGrid() { return GetScreen()->GetGridSize(); } /** * Convert a coordinate position in device (screen) units to logical (drawing) units. * * @param aPosition = position in device (screen) units. * @return position in logical (drawing) units. */ wxPoint WinEDA_DrawPanel::CursorRealPosition( const wxPoint& aPosition ) { double scalar = GetScreen()->GetScalingFactor(); wxPoint pos; pos.x = wxRound( (double) aPosition.x / scalar ); pos.y = wxRound( (double) aPosition.y / scalar ); pos += GetScreen()->m_DrawOrg; return pos; } /** Function IsPointOnDisplay * @param ref_pos is the position to test in pixels, relative to the panel. * @return TRUE if ref_pos is a point currently visible on screen * false if ref_pos is out of screen */ bool WinEDA_DrawPanel::IsPointOnDisplay( wxPoint ref_pos ) { wxPoint pos; EDA_Rect display_rect; INSTALL_DC( dc, this ); // Refresh the boundary box. display_rect = m_ClipBox; // Slightly decreased the size of the useful screen area to avoid drawing // limits. #define PIXEL_MARGIN 8 display_rect.Inflate( -PIXEL_MARGIN ); #ifndef USE_WX_ZOOM // Convert physical coordinates. pos = CalcUnscrolledPosition( display_rect.GetPosition() ); GetScreen()->Unscale( pos ); pos += GetScreen()->m_DrawOrg; display_rect.m_Pos = pos; GetScreen()->Unscale( display_rect.m_Size ); #endif return display_rect.Inside( ref_pos ); } void WinEDA_DrawPanel::PostDirtyRect( EDA_Rect aRect ) { // D( printf( "1) PostDirtyRect( x=%d, y=%d, width=%d, height=%d)\n", aRect.m_Pos.x, aRect.m_Pos.y, aRect.m_Size.x, aRect.m_Size.y ); ) // Convert the rect coordinates and size to pixels (make a draw clip box): ConvertPcbUnitsToPixelsUnits( &aRect ); // Ensure the rectangle is large enough after truncations. // The pcb units have finer granularity than the pixels, so it can happen // that the rectangle is not large enough for the erase portion. aRect.m_Size.x += 4; // += 1 is not enough! aRect.m_Size.y += 4; // D( printf( "2) PostDirtyRect( x=%d, y=%d, width=%d, height=%d)\n", aRect.m_Pos.x, aRect.m_Pos.y, aRect.m_Size.x, aRect.m_Size.y ); ) // pass wxRect() via EDA_Rect::operator wxRect() overload RefreshRect( aRect, TRUE ); } /** * Scale and offset a rectangle in drawing units to device units. * * This is the equivalent of wxDC::LogicalToDevice. * * @param aRect - Rectangle to scale. */ void WinEDA_DrawPanel::ConvertPcbUnitsToPixelsUnits( EDA_Rect* aRect ) { // Calculate the draw area origin in internal units: wxPoint pos = aRect->GetPosition(); ConvertPcbUnitsToPixelsUnits( &pos ); aRect->SetOrigin( pos ); // rect origin in pixel units double scale = GetScreen()->GetScalingFactor(); aRect->m_Size.x = wxRound( (double) aRect->m_Size.x * scale ); aRect->m_Size.y = wxRound( (double) aRect->m_Size.y * scale ); } void WinEDA_DrawPanel::ConvertPcbUnitsToPixelsUnits( wxPoint* aPosition ) { // Calculate the draw area origin in internal units: wxPoint drwOrig; int x_axis_scale, y_axis_scale; // Origin in scroll units; GetViewStart( &drwOrig.x, &drwOrig.y ); GetScrollPixelsPerUnit( &x_axis_scale, &y_axis_scale ); // Origin in pixels units drwOrig.x *= x_axis_scale; drwOrig.y *= y_axis_scale; double x, y; double scalar = GetScreen()->GetScalingFactor(); x = (double) aPosition->x - ( ( (double) drwOrig.x / scalar ) + (double) GetScreen()->m_DrawOrg.x ); y = (double) aPosition->y - ( ( (double) drwOrig.y / scalar ) + (double) GetScreen()->m_DrawOrg.y ); aPosition->x = wxRound( x * scalar ); aPosition->y = wxRound( y * scalar ); } /** Function CursorScreenPosition * @return the cursor current position in pixels in the screen draw area */ wxPoint WinEDA_DrawPanel::CursorScreenPosition() { wxPoint pos = GetScreen()->m_Curseur - GetScreen()->m_DrawOrg; double scalar = GetScreen()->GetScalingFactor(); pos.x = wxRound( (double) pos.x * scalar ); pos.y = wxRound( (double) pos.y * scalar ); return pos; } /** Function GetScreenCenterRealPosition() * @return position (in internal units) of the current area center showed * on screen */ wxPoint WinEDA_DrawPanel::GetScreenCenterRealPosition( void ) { int x, y, ppuX, ppuY; wxPoint pos; double scalar = GetScreen()->GetScalingFactor(); GetViewStart( &x, &y ); GetScrollPixelsPerUnit( &ppuX, &ppuY ); x *= ppuX; y *= ppuY; pos.x = wxRound( ( (double) GetClientSize().x / 2.0 + (double) x ) / scalar ); pos.y = wxRound( ( (double) GetClientSize().y / 2.0 + (double) y ) / scalar ); pos += GetScreen()->m_DrawOrg; return pos; } /* Move the mouse cursor to the current schematic cursor */ void WinEDA_DrawPanel::MouseToCursorSchema() { wxPoint Mouse = CursorScreenPosition(); MouseTo( Mouse ); } /** Move the mouse cursor to the position "Mouse" * @param Mouse = mouse cursor position, in pixels units */ void WinEDA_DrawPanel::MouseTo( const wxPoint& Mouse ) { int x, y, xPpu, yPpu; wxPoint screenPos, drawingPos; wxRect clientRect( wxPoint( 0, 0 ), GetClientSize() ); CalcScrolledPosition( Mouse.x, Mouse.y, &screenPos.x, &screenPos.y ); /* Scroll if the requested mouse position cursor is outside the drawing * area. */ if( !clientRect.Contains( screenPos ) ) { GetViewStart( &x, &y ); GetScrollPixelsPerUnit( &xPpu, &yPpu ); CalcUnscrolledPosition( screenPos.x, screenPos.y, &drawingPos.x, &drawingPos.y ); wxLogDebug( wxT( "MouseTo() initial screen position(%d, %d) " ) \ wxT( "rectangle(%d, %d, %d, %d) view(%d, %d)" ), screenPos.x, screenPos.y, clientRect.x, clientRect.y, clientRect.width, clientRect.height, x, y ); if( screenPos.y < clientRect.GetTop() ) y -= m_scrollIncrementY * yPpu; else if( screenPos.y > clientRect.GetBottom() ) y += m_scrollIncrementY * yPpu; else if( clientRect.GetRight() < screenPos.x ) x += m_scrollIncrementX * xPpu; else x -= m_scrollIncrementX * xPpu; Scroll( x, y ); CalcScrolledPosition( drawingPos.x, drawingPos.y, &screenPos.x, &screenPos.y ); wxLogDebug( wxT( "MouseTo() scrolled screen position(%d, %d) " ) \ wxT( "view(%d, %d)" ), screenPos.x, screenPos.y, x, y ); } WarpPointer( screenPos.x, screenPos.y ); } /** * Called on window activation. * init the member m_CanStartBlock to avoid a block start command * on activation (because a left mouse button can be pressed and no block * command wanted. * This happens when enter on a hierarchy sheet on double click */ void WinEDA_DrawPanel::OnActivate( wxActivateEvent& event ) { m_CanStartBlock = -1; // Block Command can't start event.Skip(); } void WinEDA_DrawPanel::OnScroll( wxScrollWinEvent& event ) { int id = event.GetEventType(); int dir; int x, y; int ppux, ppuy; int unitsX, unitsY; int maxX, maxY; GetViewStart( &x, &y ); GetScrollPixelsPerUnit( &ppux, &ppuy ); GetVirtualSize( &unitsX, &unitsY ); maxX = unitsX; maxY = unitsY; unitsX /= ppux; unitsY /= ppuy; dir = event.GetOrientation(); // wxHORIZONTAL or wxVERTICAL if( id == wxEVT_SCROLLWIN_LINEUP ) { if( dir == wxHORIZONTAL ) { x -= m_scrollIncrementX; if( x < 0 ) x = 0; } else { y -= m_scrollIncrementY; if( y < 0 ) y = 0; } } else if( id == wxEVT_SCROLLWIN_LINEDOWN ) { if( dir == wxHORIZONTAL ) { x += m_scrollIncrementX; if( x > maxX ) x = maxX; } else { y += m_scrollIncrementY; if( y > maxY ) y = maxY; } } else if( id == wxEVT_SCROLLWIN_THUMBTRACK ) { if( dir == wxHORIZONTAL ) x = event.GetPosition(); else y = event.GetPosition(); } else { event.Skip(); return; } #if DEBUG_DUMP_SCROLL_SETTINGS wxLogDebug( wxT( "Setting scroll bars ppuX=%d, ppuY=%d, unitsX=%d, unitsY=%d," \ "posX=%d, posY=%d" ), ppux, ppuy, unitsX, unitsY, x, y ); #endif Scroll( x/ppux, y/ppuy ); event.Skip(); } void WinEDA_DrawPanel::OnSize( wxSizeEvent& event ) { if( IsShown() ) { INSTALL_DC( dc, this ); // Update boundary box. } event.Skip(); } /** Function SetBoundaryBox() * Set the clip box to the current displayed rectangle dimensions. * * When using wxDC for scaling, the clip box coordinates are in drawing (logical) * units. In other words, the area of the drawing that will be displayed on the * screen. When using Kicad's scaling, the clip box coordinates are in screen * (device) units according to the current scroll position. * * @param dc - The device context use for drawing with the correct scale and * offsets already configured. See DoPrepareDC(). */ void WinEDA_DrawPanel::SetBoundaryBox( wxDC* dc ) { wxASSERT( dc != NULL ); BASE_SCREEN* Screen = GetScreen();; if( !Screen ) return; Screen->m_StartVisu = CalcUnscrolledPosition( wxPoint( 0, 0 ) ); m_ClipBox.SetOrigin( wxPoint( 0, 0 ) ); m_ClipBox.SetSize( GetClientSize() ); int scrollX, scrollY; #ifdef USE_WX_ZOOM double scalar = Screen->GetScalingFactor(); scrollX = wxRound( Screen->GetGridSize().x * scalar ); scrollY = wxRound( Screen->GetGridSize().y * scalar ); #else scrollX = wxRound( Screen->Scale( Screen->GetGridSize().x ) ); scrollY = wxRound( Screen->Scale( Screen->GetGridSize().y ) ); #endif m_scrollIncrementX = MAX( GetClientSize().x / 8, scrollX ); m_scrollIncrementY = MAX( GetClientSize().y / 8, scrollY ); #ifdef USE_WX_ZOOM /* Using wxDC scaling requires clipping in drawing (logical) units. */ m_ClipBox.SetOrigin( CalcUnscrolledPosition( wxPoint( 0, 0 ) ) ); m_ClipBox.Inflate( CLIP_BOX_PADDING ); m_ClipBox.m_Pos.x = wxRound( (double) m_ClipBox.m_Pos.x / scalar ); m_ClipBox.m_Pos.y = wxRound( (double) m_ClipBox.m_Pos.y / scalar ); m_ClipBox.m_Pos += Screen->m_DrawOrg; m_ClipBox.m_Size.x = wxRound( (double) m_ClipBox.m_Size.x / scalar ); m_ClipBox.m_Size.y = wxRound( (double) m_ClipBox.m_Size.y / scalar ); #endif Screen->m_ScrollbarPos.x = GetScrollPos( wxHORIZONTAL ); Screen->m_ScrollbarPos.y = GetScrollPos( wxVERTICAL ); } void WinEDA_DrawPanel::EraseScreen( wxDC* DC ) { GRSetDrawMode( DC, GR_COPY ); GRSFilledRect( &m_ClipBox, DC, m_ClipBox.GetX(), m_ClipBox.GetY(), m_ClipBox.GetRight(), m_ClipBox.GetBottom(), 0, g_DrawBgColor, g_DrawBgColor ); /* Set to one (1) to draw bounding box validate bounding box calculation. */ #if DEBUG_SHOW_CLIP_RECT EDA_Rect bBox = m_ClipBox; bBox.Inflate( -DC->DeviceToLogicalXRel( 1 ) ); GRRect( NULL, DC, bBox.GetOrigin().x, bBox.GetOrigin().y, bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA ); #endif } void WinEDA_DrawPanel::DoPrepareDC(wxDC& dc) { #ifdef USE_WX_ZOOM if( GetScreen() != NULL ) { double scale = GetScreen()->GetScalingFactor(); dc.SetUserScale( scale, scale ); wxPoint pt = CalcUnscrolledPosition( wxPoint( 0, 0 ) ); dc.SetDeviceOrigin( -pt.x, -pt.y ); pt = GetScreen()->m_DrawOrg; dc.SetLogicalOrigin( pt.x, pt.y ); } #endif GRResetPenAndBrush( &dc ); dc.SetBackgroundMode( wxTRANSPARENT ); SetBoundaryBox( &dc ); } void WinEDA_DrawPanel::OnPaint( wxPaintEvent& event ) { if( GetScreen() == NULL ) { event.Skip(); return; } INSTALL_PAINTDC( paintDC, this ); /* wxAutoBufferedPaintDC does not work correctly by setting the user scale and * logcial offset. The bitmap coordinates and scaling are not effected by the * code below. It appears that the wxBufferPaintDC needs to be created with the * wxBUFFER_VIRTUAL_AREA set and the wirtual method wxWindow::PrepareDC() needs * to be overridden to set up the buffered paint DC properly. The bitmap grid * draw code ( see DrawGrid() below ) will have to be fixed before this can be * implemented. */ EDA_Rect tmp = m_ClipBox; // Get the union of all rectangles in the update region. wxRect PaintClipBox = GetUpdateRegion().GetBox(); #if DEBUG_DUMP_CLIP_COORDS wxLogDebug( wxT( "1) PaintClipBox=(%d, %d, %d, %d), m_ClipBox=(%d, %d, %d, %d)" ), PaintClipBox.x, PaintClipBox.y, PaintClipBox.width, PaintClipBox.height, m_ClipBox.m_Pos.x, m_ClipBox.m_Pos.y, m_ClipBox.m_Size.x, m_ClipBox.m_Size.y ); #endif #if defined( USE_WX_ZOOM ) /* When using wxDC scaling the clipping region coordinates are in drawing * (logical) units. */ double scalar = GetScreen()->GetScalingFactor(); m_ClipBox.m_Pos = CalcUnscrolledPosition( PaintClipBox.GetPosition() ); m_ClipBox.m_Size = PaintClipBox.GetSize(); m_ClipBox.Inflate( CLIP_BOX_PADDING ); m_ClipBox.m_Pos.x = wxRound( (double) m_ClipBox.m_Pos.x / scalar ); m_ClipBox.m_Pos.y = wxRound( (double) m_ClipBox.m_Pos.y / scalar ); m_ClipBox.m_Pos += GetScreen()->m_DrawOrg; m_ClipBox.m_Size.x = wxRound( (double) m_ClipBox.m_Size.x / scalar ); m_ClipBox.m_Size.y = wxRound( (double) m_ClipBox.m_Size.y / scalar ); PaintClipBox = m_ClipBox; #else /* When using Kicad's scaling the clipping region coordinates are in screen * (device) units. */ m_ClipBox.SetX( PaintClipBox.GetX() ); m_ClipBox.SetY( PaintClipBox.GetY() ); m_ClipBox.SetWidth( PaintClipBox.GetWidth() ); m_ClipBox.SetHeight( PaintClipBox.GetHeight() ); // Be sure the drawpanel clipbox is bigger than the region to repair: m_ClipBox.Inflate( 1 ); // Give it one pixel more in each direction #endif #if DEBUG_DUMP_CLIP_COORDS wxLogDebug( wxT( "2) PaintClipBox=(%d, %d, %d, %d), m_ClipBox=(%d, %d, %d, %d)" ), PaintClipBox.x, PaintClipBox.y, PaintClipBox.width, PaintClipBox.height, m_ClipBox.m_Pos.x, m_ClipBox.m_Pos.y, m_ClipBox.m_Size.x, m_ClipBox.m_Size.y ); #endif // call ~wxDCClipper() before ~wxPaintDC() { wxDCClipper dcclip( paintDC, PaintClipBox ); ReDraw( &paintDC, true ); } m_ClipBox = tmp; event.Skip(); } void WinEDA_DrawPanel::ReDraw( wxDC* DC, bool erasebg ) { BASE_SCREEN* Screen = GetScreen(); if( Screen == NULL ) return; if( ( g_DrawBgColor != WHITE ) && ( g_DrawBgColor != BLACK ) ) g_DrawBgColor = BLACK; if( g_DrawBgColor == WHITE ) { g_XorMode = GR_NXOR; g_GhostColor = BLACK; } else { g_XorMode = GR_XOR; g_GhostColor = WHITE; } if( erasebg ) EraseScreen( DC ); SetBackgroundColour( wxColour( ColorRefs[g_DrawBgColor].m_Red, ColorRefs[g_DrawBgColor].m_Green, ColorRefs[g_DrawBgColor].m_Blue ) ); GRResetPenAndBrush( DC ); DC->SetBackground( *wxBLACK_BRUSH ); DC->SetBackgroundMode( wxTRANSPARENT ); m_Parent->RedrawActiveWindow( DC, erasebg ); } /** Function DrawBackGround * @param DC = current Device Context * Draws (if allowed) : * the grid * X and Y axis * X and Y auxiliary axis */ void WinEDA_DrawPanel::DrawBackGround( wxDC* DC ) { int axis_color = BLUE; BASE_SCREEN* screen = GetScreen(); GRSetDrawMode( DC, GR_COPY ); if( m_Parent->IsGridVisible() ) DrawGrid( DC ); /* Draw axis */ if( m_Parent->m_Draw_Axis ) { /* Draw the Y axis */ GRDashedLine( &m_ClipBox, DC, 0, -screen->ReturnPageSize().y, 0, screen->ReturnPageSize().y, 0, axis_color ); /* Draw the X axis */ GRDashedLine( &m_ClipBox, DC, -screen->ReturnPageSize().x, 0, screen->ReturnPageSize().x, 0, 0, axis_color ); } if( m_Parent->m_Draw_Auxiliary_Axis ) DrawAuxiliaryAxis( DC, GR_COPY ); if( m_Parent->m_Draw_Grid_Axis ) DrawGridAxis( DC, GR_COPY ); } /** Function DrawGrid * @param DC = current Device Context * draws the grid * - the grid is drawn only if the zoom level allows a good visibility * - the grid is always centered on the screen center */ void WinEDA_DrawPanel::DrawGrid( wxDC* DC ) { #define MIN_GRID_SIZE 10 // min grid size in pixels to allow drawing BASE_SCREEN* screen = GetScreen(); int ii, jj, xg, yg; wxRealPoint screen_grid_size; wxSize size; wxPoint org; wxRealPoint dgrid; /* The grid must be visible. this is possible only is grid value * and zoom value are sufficient */ screen_grid_size = screen->GetGridSize(); org = CalcUnscrolledPosition( wxPoint( 0, 0 ) ); screen->m_StartVisu = org; size = GetClientSize(); #ifdef USE_WX_ZOOM dgrid.x = DC->LogicalToDeviceXRel( wxRound( screen_grid_size.x ) ); dgrid.y = DC->LogicalToDeviceXRel( wxRound( screen_grid_size.y ) ); org = m_ClipBox.m_Pos; size = m_ClipBox.m_Size; #else dgrid = screen_grid_size; screen->Scale( dgrid ); // dgrid = grid size in pixels screen->Unscale( size ); screen->Unscale( org ); org += screen->m_DrawOrg; #endif // if the grid size is small ( < MIN_GRID_SIZE pixels ) do not display all points bool double_size = false; if( dgrid.x < MIN_GRID_SIZE ) { double_size = true; dgrid.x *= 2; } if( dgrid.x < MIN_GRID_SIZE ) return; // The X grid is too small: do not show it if( dgrid.y < MIN_GRID_SIZE ) { double_size = true; dgrid.y *= 2; } if( dgrid.y < MIN_GRID_SIZE ) return; // The Y grid is too small: do not show it m_Parent->PutOnGrid( &org ); GRSetColorPen( DC, m_Parent->GetGridColor() ); int xpos, ypos; /* When we use an double_size grid, we must align grid ord on double grid */ int increment = double_size ? 2 : 1; if( double_size ) { wxRealPoint dblgrid = screen_grid_size + screen_grid_size; m_Parent->PutOnGrid(&org, &dblgrid); } // Draw grid: the best algorithm depend on the platform. // under macOSX, the first method is better // under window, the second method is better // Under linux, to be tested (could be depend on linux versions // so perhaps could be necessary to set this option at run time. /* The bitmap grid drawing code below cannot be used when wxDC scaling is used * as it does not scale the grid bitmap properly. This needs to be fixed. */ #if defined( __WXMAC__ ) && !defined( USE_WX_ZOOM ) // Use a pixel based draw to display grid // When is not used USE_WX_ZOOM for( ii = 0; ; ii += increment ) { xg = wxRound( ii * screen_grid_size.x ); if( xg > size.x ) break; xpos = org.x + xg; xpos = GRMapX( xpos ); for( jj = 0; ; jj += increment ) { yg = wxRound( jj * screen_grid_size.y ); if( yg > size.y ) break; ypos = org.y + yg; DC->DrawPoint( xpos, GRMapY( ypos ) ); } } #endif #if defined( USE_WX_ZOOM ) // Use a pixel based draw to display grid // There is a lot of calls, so the cost is hight // and grid is slowly drawn on some platforms for( ii = 0; ; ii += increment ) { xg = wxRound( ii * screen_grid_size.x ); if( xg > size.x ) break; xpos = org.x + xg; xpos = GRMapX( xpos ); if( xpos < m_ClipBox.GetOrigin().x) // column not in active screen area. continue; if( xpos > m_ClipBox.GetEnd().x) // end of active area reached. break; for( jj = 0; ; jj += increment ) { yg = wxRound( jj * screen_grid_size.y ); if( yg > size.y ) break; ypos = org.y + yg; if( ypos < m_ClipBox.GetOrigin().y) // column not in active screen area. continue; if( ypos > m_ClipBox.GetEnd().y) // end of active area reached. break; DC->DrawPoint( xpos, GRMapY( ypos ) ); } } #else /* Currently on test: Use a fast way to draw the grid * But this is fast only if the Blit function is fast. Not true on all platforms * a grid column is drawn; and then copied to others grid columns * this is possible because the grid is drawn only after clearing the screen. * * A first grid column is drawn in a temporary bitmap, * and after is duplicated using the Blit function * (copy from a screen area to an other screen area) */ wxSize screenSize = GetClientSize(); wxMemoryDC tmpDC; wxBitmap tmpBM( 1, screenSize.y ); tmpDC.SelectObject( tmpBM ); GRSetColorPen( &tmpDC, g_DrawBgColor ); tmpDC.DrawLine( 0, 0, 0, screenSize.y-1 ); // init background GRSetColorPen( &tmpDC, m_Parent->GetGridColor() ); for( jj = 0; ; jj += increment ) // draw grid points { yg = wxRound( jj * screen_grid_size.y ); ypos = screen->Scale( yg ); if( ypos > screenSize.y ) break; tmpDC.DrawPoint( 0, ypos ); } ypos = GRMapY( org.y ); for( ii = 0; ; ii += increment ) { xg = wxRound( ii * screen_grid_size.x ); if( xg > size.x ) break; xpos = GRMapX( org.x + xg ); if( xpos < m_ClipBox.GetOrigin().x) // column not in active screen area. continue; if( xpos > m_ClipBox.GetEnd().x) // end of active area reached. break; DC->Blit( xpos, ypos, 1, screenSize.y, &tmpDC, 0, 0 ); } #endif } /** function DrawAuxiliaryAxis * Draw the Auxiliary Axis, used in pcbnew which as origin coordinates * for gerber and excellon files * @param DC = current Device Context */ void WinEDA_DrawPanel::DrawAuxiliaryAxis( wxDC* DC, int drawmode ) { if( m_Parent->m_Auxiliary_Axis_Position == wxPoint( 0, 0 ) ) return; int Color = DARKRED; BASE_SCREEN* screen = GetScreen(); GRSetDrawMode( DC, drawmode ); /* Draw the Y axis */ GRDashedLine( &m_ClipBox, DC, m_Parent->m_Auxiliary_Axis_Position.x, -screen->ReturnPageSize().y, m_Parent->m_Auxiliary_Axis_Position.x, screen->ReturnPageSize().y, 0, Color ); /* Draw the X axis */ GRDashedLine( &m_ClipBox, DC, -screen->ReturnPageSize().x, m_Parent->m_Auxiliary_Axis_Position.y, screen->ReturnPageSize().x, m_Parent->m_Auxiliary_Axis_Position.y, 0, Color ); } /********************************************************************/ void WinEDA_DrawPanel::DrawGridAxis( wxDC* DC, int drawmode ) /********************************************************************/ { BASE_SCREEN* screen = GetScreen(); if( !m_Parent->m_Draw_Grid_Axis || ( screen->m_GridOrigin.x == 0 && screen->m_GridOrigin.y == 0 ) ) return; int Color = m_Parent->GetGridColor(); GRSetDrawMode( DC, drawmode ); /* Draw the Y axis */ GRDashedLine( &m_ClipBox, DC, screen->m_GridOrigin.x, -screen->ReturnPageSize().y, screen->m_GridOrigin.x, screen->ReturnPageSize().y, 0, Color ); /* Draw the X axis */ GRDashedLine( &m_ClipBox, DC, -screen->ReturnPageSize().x, screen->m_GridOrigin.y, screen->ReturnPageSize().x, screen->m_GridOrigin.y, 0, Color ); } /** Build and display a Popup menu on a right mouse button click * @return true if a popup menu is shown, or false */ bool WinEDA_DrawPanel::OnRightClick( wxMouseEvent& event ) { wxPoint pos; wxMenu MasterMenu; pos = event.GetPosition(); if( !m_Parent->OnRightClick( pos, &MasterMenu ) ) return false; m_Parent->AddMenuZoomAndGrid( &MasterMenu ); m_IgnoreMouseEvents = TRUE; PopupMenu( &MasterMenu, pos ); MouseToCursorSchema(); m_IgnoreMouseEvents = false; return true; } // Called when the canvas receives a mouse event leaving frame. void WinEDA_DrawPanel::OnMouseLeaving( wxMouseEvent& event ) { if( ManageCurseur == NULL ) // No command in progress. m_AutoPAN_Request = false; if( !m_AutoPAN_Enable || !m_AutoPAN_Request || m_IgnoreMouseEvents ) return; // Auto pan if mouse is leave working area: wxSize size = GetClientSize(); if( ( size.x < event.GetX() ) || ( size.y < event.GetY() ) || ( event.GetX() <= 0) || ( event.GetY() <= 0 ) ) { wxCommandEvent cmd( wxEVT_COMMAND_MENU_SELECTED, ID_POPUP_ZOOM_CENTER ); cmd.SetEventObject( this ); GetEventHandler()->ProcessEvent( cmd ); } } /* * Handle mouse wheel events. * * The mouse wheel is used to provide support for zooming and panning. This * is accomplished by converting mouse wheel events in pseudo menu command * events. */ void WinEDA_DrawPanel::OnMouseWheel( wxMouseEvent& event ) { if( m_IgnoreMouseEvents ) return; wxRect rect = wxRect( wxPoint( 0, 0 ), GetClientSize() ); /* Ignore scroll events if the cursor is outside the drawing area. */ if( event.GetWheelRotation() == 0 || !GetParent()->IsEnabled() || !rect.Contains( event.GetPosition() ) ) { #if 0 wxLogDebug( wxT( "OnMouseWheel() position(%d, %d) " ) \ wxT( "rectangle(%d, %d, %d, %d)" ), event.GetPosition().x, event.GetPosition().y, rect.x, rect.y, rect.width, rect.height ); #endif event.Skip(); return; } GetScreen()->m_Curseur = CursorRealPosition( CalcUnscrolledPosition( event.GetPosition() ) ); wxCommandEvent cmd( wxEVT_COMMAND_MENU_SELECTED ); cmd.SetEventObject( this ); // This is a zoom in or out command if( event.GetWheelRotation() > 0 ) { if( event.ShiftDown() && !event.ControlDown() ) cmd.SetId( ID_PAN_UP ); else if( event.ControlDown() && !event.ShiftDown() ) cmd.SetId( ID_PAN_LEFT ); else cmd.SetId( ID_POPUP_ZOOM_IN ); } else if( event.GetWheelRotation() < 0 ) { if( event.ShiftDown() && !event.ControlDown() ) cmd.SetId( ID_PAN_DOWN ); else if( event.ControlDown() && !event.ShiftDown() ) cmd.SetId( ID_PAN_RIGHT ); else cmd.SetId( ID_POPUP_ZOOM_OUT ); } GetEventHandler()->ProcessEvent( cmd ); event.Skip(); } // Called when the canvas receives a mouse event. void WinEDA_DrawPanel::OnMouseEvent( wxMouseEvent& event ) { int localrealbutt = 0, localbutt = 0, localkey = 0; BASE_SCREEN* screen = GetScreen(); static WinEDA_DrawPanel* LastPanel; if( !screen ) return; /* Adjust value to filter mouse displacement before consider the drag * mouse is really a drag command, not just a movement while click */ #define MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND 5 /* Count the drag events. Used to filter mouse moves before starting a * block command. A block command can be started only if * MinDragEventCount > MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND * and m_CanStartBlock >= 0 * in order to avoid spurious block commands. */ static int MinDragEventCount; if( event.Leaving() ) { m_CanStartBlock = -1; } if( ManageCurseur == NULL ) // No command in progress m_AutoPAN_Request = false; if( m_Parent->m_FrameIsActive ) SetFocus(); else return; if( !event.IsButton() && !event.Moving() && !event.Dragging() && !localkey ) { return; } if( event.RightDown() ) { OnRightClick( event ); return; } if( m_IgnoreMouseEvents ) return; if( event.LeftIsDown() ) localrealbutt |= GR_M_LEFT_DOWN; if( event.MiddleIsDown() ) localrealbutt |= GR_M_MIDDLE_DOWN; if( event.LeftDown() ) localbutt = GR_M_LEFT_DOWN; if( event.ButtonDClick( 1 ) ) localbutt = GR_M_LEFT_DOWN | GR_M_DCLICK; if( event.MiddleDown() ) localbutt = GR_M_MIDDLE_DOWN; localrealbutt |= localbutt; /* compensation default wxGTK */ /* Compute the cursor position in screen (device) units. */ screen->m_MousePositionInPixels = CalcUnscrolledPosition( event.GetPosition() ); /* Compute the cursor position in drawing (logical) units. */ screen->m_MousePosition = CursorRealPosition( CalcUnscrolledPosition( event.GetPosition() ) ); INSTALL_DC( DC, this ); int kbstat = 0; DC.SetBackground( *wxBLACK_BRUSH ); g_KeyPressed = localkey; if( event.ShiftDown() ) kbstat |= GR_KB_SHIFT; if( event.ControlDown() ) kbstat |= GR_KB_CTRL; if( event.AltDown() ) kbstat |= GR_KB_ALT; g_MouseOldButtons = localrealbutt; // Calling Double Click and Click functions : if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) ) { m_Parent->OnLeftDClick( &DC, screen->m_MousePositionInPixels ); // inhibit a response to the mouse left button release, // because we have a double click, and we do not want a new // OnLeftClick command at end of this Double Click s_IgnoreNextLeftButtonRelease = true; } else if( event.LeftUp() ) { // A block command is in progress: a left up is the end of block // or this is the end of a double click, already seen if( screen->m_BlockLocate.m_State==STATE_NO_BLOCK && !s_IgnoreNextLeftButtonRelease ) m_Parent->OnLeftClick( &DC, screen->m_MousePositionInPixels ); s_IgnoreNextLeftButtonRelease = false; } if( !event.LeftIsDown() ) { /* be sure there is a response to a left button release command * even when a LeftUp event is not seen. This happens when a * double click opens a dialog box, and the release mouse button * is made when the dialog box is open. */ s_IgnoreNextLeftButtonRelease = false; } if( event.ButtonUp( wxMOUSE_BTN_MIDDLE ) && (screen->m_BlockLocate.m_State == STATE_NO_BLOCK) ) { // The middle button has been released, with no block command: // We use it for a zoom center at cursor position command wxCommandEvent cmd( wxEVT_COMMAND_MENU_SELECTED, ID_POPUP_ZOOM_CENTER ); cmd.SetEventObject( this ); GetEventHandler()->ProcessEvent( cmd ); } /* Calling the general function on mouse changes (and pseudo key commands) */ m_Parent->GeneralControle( &DC, screen->m_MousePositionInPixels ); /*******************************/ /* Control of block commands : */ /*******************************/ // Command block can't start if mouse is dragging a new panel if( LastPanel != this ) { MinDragEventCount = 0; m_CanStartBlock = -1; } /* A new command block can start after a release buttons * and if the drag is enough * This is to avoid a false start block when a dialog box is dismissed, * or when changing panels in hierarchy navigation * or when clicking while and moving mouse */ if( !event.LeftIsDown() && !event.MiddleIsDown() ) { MinDragEventCount = 0; m_CanStartBlock = 0; /* Remember the last cursor position when a drag mouse starts * this is the last position ** before ** clicking a button * this is useful to start a block command from the point where the * mouse was clicked first * (a filter creates a delay for the real block command start, and * we must remember this point) */ m_CursorStartPos = screen->m_Curseur; } if( m_Block_Enable && !(localbutt & GR_M_DCLICK) ) { if( ( screen->m_BlockLocate.m_Command == BLOCK_IDLE ) || ( screen->m_BlockLocate.m_State == STATE_NO_BLOCK ) ) { screen->m_BlockLocate.SetOrigin( m_CursorStartPos ); } if( event.LeftDown() || event.MiddleDown() ) { if( screen->m_BlockLocate.m_State == STATE_BLOCK_MOVE ) { m_AutoPAN_Request = false; m_Parent->HandleBlockPlace( &DC ); s_IgnoreNextLeftButtonRelease = true; } } else if( ( m_CanStartBlock >= 0 ) && ( event.LeftIsDown() || event.MiddleIsDown() ) && ManageCurseur == NULL && ForceCloseManageCurseur == NULL ) { // Mouse is dragging: if no block in progress, start a block // command. if( screen->m_BlockLocate.m_State == STATE_NO_BLOCK ) { // Start a block command int cmd_type = kbstat; if( event.MiddleIsDown() ) cmd_type |= MOUSE_MIDDLE; /* A block command is started if the drag is enough. A small * drag is ignored (it is certainly a little mouse move when * clicking) not really a drag mouse */ if( MinDragEventCount < MIN_DRAG_COUNT_FOR_START_BLOCK_COMMAND ) MinDragEventCount++; else { if( !m_Parent->HandleBlockBegin( &DC, cmd_type, m_CursorStartPos ) ) { // should not occurs: error m_Parent->DisplayToolMsg( wxT( "WinEDA_DrawPanel::OnMouseEvent() Block Error" ) ); } else { m_AutoPAN_Request = TRUE; SetCursor( m_PanelCursor = wxCURSOR_SIZING ); } } } } if( event.ButtonUp( wxMOUSE_BTN_LEFT ) || event.ButtonUp( wxMOUSE_BTN_MIDDLE ) ) { /* Release the mouse button: end of block. * The command can finish (DELETE) or have a next command (MOVE, * COPY). However the block command is canceled if the block * size is small because a block command filtering is already * made, this case happens, but only when the on grid cursor has * not moved. */ #define BLOCK_MINSIZE_LIMIT 1 bool BlockIsSmall = ( ABS( screen->Scale( screen->m_BlockLocate.GetWidth() ) ) < BLOCK_MINSIZE_LIMIT) && ( ABS( screen->Scale( screen->m_BlockLocate.GetHeight() ) ) < BLOCK_MINSIZE_LIMIT); if( (screen->m_BlockLocate.m_State != STATE_NO_BLOCK) && BlockIsSmall ) { if( ForceCloseManageCurseur ) { ForceCloseManageCurseur( this, &DC ); m_AutoPAN_Request = false; } SetCursor( m_PanelCursor = m_PanelDefaultCursor ); } else if( screen->m_BlockLocate.m_State == STATE_BLOCK_END ) { m_AutoPAN_Request = false; m_Parent->HandleBlockEnd( &DC ); SetCursor( m_PanelCursor = m_PanelDefaultCursor ); if( screen->m_BlockLocate.m_State == STATE_BLOCK_MOVE ) { m_AutoPAN_Request = TRUE; SetCursor( m_PanelCursor = wxCURSOR_HAND ); } } } } // End of block command on a double click // To avoid an unwanted block move command if the mouse is moved while // double clicking if( localbutt == (int) ( GR_M_LEFT_DOWN | GR_M_DCLICK ) ) { if( screen->m_BlockLocate.m_Command != BLOCK_IDLE ) { if( ForceCloseManageCurseur ) { ForceCloseManageCurseur( this, &DC ); m_AutoPAN_Request = false; } } } #if 0 wxString msg_debug; msg_debug.Printf( " block state %d, cmd %d", screen->m_BlockLocate.m_State, screen->m_BlockLocate.m_Command ); m_Parent->PrintMsg( msg_debug ); #endif LastPanel = this; } void WinEDA_DrawPanel::OnKeyEvent( wxKeyEvent& event ) { long key, localkey; bool escape = false; wxPoint pos; key = localkey = event.GetKeyCode(); switch( localkey ) { case WXK_CONTROL: case WXK_CAPITAL: case WXK_SHIFT: case WXK_NUMLOCK: case WXK_LBUTTON: case WXK_RBUTTON: case WXK_ALT: return; case WXK_ESCAPE: escape = m_AbortRequest = TRUE; break; } if( event.ControlDown() ) localkey |= GR_KB_CTRL; if( event.AltDown() ) localkey |= GR_KB_ALT; if( event.ShiftDown() && (key > 256) ) localkey |= GR_KB_SHIFT; /* Normalize keys code to easily handle keys from Ctrl+A to Ctrl+Z * They have an ascii code from 1 to 27 remapped * to GR_KB_CTRL + 'A' to GR_KB_CTRL + 'Z' */ if( (localkey > GR_KB_CTRL) && (localkey <= GR_KB_CTRL+26) ) localkey += 'A' - 1; INSTALL_DC( DC, this ); BASE_SCREEN* Screen = GetScreen(); g_KeyPressed = localkey; if( escape ) { if( ManageCurseur && ForceCloseManageCurseur ) { SetCursor( m_PanelCursor = m_PanelDefaultCursor ); ForceCloseManageCurseur( this, &DC ); SetCursor( m_PanelCursor = m_PanelDefaultCursor ); } else { m_PanelCursor = m_PanelDefaultCursor = wxCURSOR_ARROW; m_Parent->SetToolID( 0, m_PanelCursor, wxEmptyString ); } } /* Some key commands use the current mouse position: refresh it */ pos = CalcUnscrolledPosition( wxGetMousePosition() - GetScreenPosition() ); /* Compute cursor position in screen units (pixel) including the * current scroll bar position. Also known as device units to wxDC. */ Screen->m_MousePositionInPixels = pos; /* Compute the cursor position in drawing units. Also known as logical units * to wxDC. */ Screen->m_MousePosition = CursorRealPosition( pos ); m_Parent->GeneralControle( &DC, pos ); #if 0 event.Skip(); // Allow menu shortcut processing #endif } void WinEDA_DrawPanel::OnPan( wxCommandEvent& event ) { int x, y; int ppux, ppuy; int unitsX, unitsY; int maxX, maxY; GetViewStart( &x, &y ); GetScrollPixelsPerUnit( &ppux, &ppuy ); GetVirtualSize( &unitsX, &unitsY ); maxX = unitsX; maxY = unitsY; unitsX /= ppux; unitsY /= ppuy; switch( event.GetId() ) { case ID_PAN_UP: y -= m_scrollIncrementY; break; case ID_PAN_DOWN: y += m_scrollIncrementY; break; case ID_PAN_LEFT: x -= m_scrollIncrementX; break; case ID_PAN_RIGHT: x += m_scrollIncrementX; break; default: wxLogDebug( wxT( "Unknown ID %d in WinEDA_DrawPanel::OnPan()." ), event.GetId() ); } if( x < 0 ) x = 0; if( y < 0 ) y = 0; if( x > maxX ) x = maxX; if( y > maxY ) y = maxY; Scroll( x/ppux, y/ppuy ); } void WinEDA_DrawPanel::UnManageCursor( int id, int cursor, const wxString& title ) { if( ManageCurseur && ForceCloseManageCurseur ) { INSTALL_DC( dc, this ); ForceCloseManageCurseur( this, &dc ); m_AutoPAN_Request = false; } if( id != -1 && cursor != -1 ) { wxASSERT( cursor > wxCURSOR_NONE && cursor < wxCURSOR_MAX ); m_Parent->SetToolID( id, cursor, title ); } }