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kicad/common/drawpanel.cpp

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/*****************/
/* 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 <wx/wupdlock.h>
#include "kicad_device_context.h"
#define CURSOR_SIZE 12 // Cursor size in pixels
// Helper class to handle the client Device Context
KicadGraphicContext::KicadGraphicContext( WinEDA_DrawPanel* aDrawPanel ) :
wxClientDC( aDrawPanel )
{
GRResetPenAndBrush( this );
SetBackgroundMode( wxTRANSPARENT );
#ifdef USE_WX_ZOOM
if( aDrawPanel->GetScreen() != NULL )
{
double scale = aDrawPanel->GetScreen()->GetScalingFactor();
aDrawPanel->SetScale( scale, scale );
aDrawPanel->DoPrepareDC( *this );
wxPoint origin = aDrawPanel->GetScreen()->m_DrawOrg;
SetLogicalOrigin( origin.x, origin.y );
}
#endif
aDrawPanel->SetBoundaryBox( this );
}
KicadGraphicContext::~KicadGraphicContext()
{
}
/* 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;
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();
}
/** Calculate the cursor position in internal units.
* @return position (in internal units)
* @param ScreenPos = absolute position in pixels
*/
wxPoint WinEDA_DrawPanel::CursorRealPosition( const wxPoint& aPosition )
{
#ifdef USE_WX_ZOOM
wxCoord x, y;
INSTALL_DC( DC, this );
x = DC.DeviceToLogicalX( aPosition.x );
y = DC.DeviceToLogicalY( aPosition.y );
return wxPoint( x, y );
#else
return GetScreen()->CursorRealPosition( aPosition );
#endif
}
/** 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
#if USE_WX_ZOOM
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 );
#else
GetScreen()->Scale( aRect->m_Size );
#endif
}
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;
#if USE_WX_ZOOM
INSTALL_DC( dc, this );
drwOrig.x = dc.DeviceToLogicalX( drwOrig.x );
drwOrig.y = dc.DeviceToLogicalY( drwOrig.y );
*aPosition -= drwOrig;
aPosition->x = dc.LogicalToDeviceX( aPosition->x );
aPosition->y = dc.LogicalToDeviceY( aPosition->y );
#else
// Origin in internal units
GetScreen()->Unscale( drwOrig );
// Real origin, according to the "plot" origin
drwOrig += GetScreen()->m_DrawOrg;
// position in internal units, relative to the visible draw area origin
*aPosition -= drwOrig;
// position in pixels, relative to the visible draw area origin
GetScreen()->Scale( *aPosition );
#endif
}
/** 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;
#ifdef USE_WX_ZOOM
INSTALL_DC( DC, this );
pos.x = DC.LogicalToDeviceXRel( pos.x );
pos.y = DC.LogicalToDeviceYRel( pos.y );
#else
GetScreen()->Scale( pos );
#endif
return pos;
}
/** Function GetScreenCenterRealPosition()
* @return position (in internal units) of the current area center showed
* on screen
*/
wxPoint WinEDA_DrawPanel::GetScreenCenterRealPosition( void )
{
wxSize size;
wxPoint realpos;
size = GetClientSize() / 2;
#ifdef USE_WX_ZOOM
INSTALL_DC( DC, this );
realpos.x = DC.DeviceToLogicalX( size.x );
realpos.y = DC.DeviceToLogicalY( size.y );
#else
realpos = CalcUnscrolledPosition( wxPoint( size.x, size.y ) );
GetScreen()->Unscale( realpos );
realpos += GetScreen()->m_DrawOrg;
#endif
return realpos;
}
/* 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() );
#ifdef USE_WX_ZOOM
CalcScrolledPosition( Mouse.x, Mouse.y, &screenPos.x, &screenPos.y );
#else
screenPos = Mouse - GetScreen()->m_StartVisu;
#endif
/* 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, value = 0;
int x, y;
GetViewStart( &x, &y );
dir = event.GetOrientation(); // wxHORIZONTAL or wxVERTICAL
if( id == wxEVT_SCROLLWIN_LINEUP )
value = -m_scrollIncrementY;
else if( id == wxEVT_SCROLLWIN_LINEDOWN )
value = m_scrollIncrementY;
else if( id == wxEVT_SCROLLWIN_THUMBTRACK )
{
value = event.GetPosition();
if( dir == wxHORIZONTAL )
Scroll( value, -1 );
else
Scroll( -1, value );
return;
}
else
{
event.Skip();
return;
}
if( dir == wxHORIZONTAL )
{
Scroll( x + value, -1 );
}
else
{
Scroll( -1, y + value );
}
event.Skip();
}
void WinEDA_DrawPanel::OnSize( wxSizeEvent& event )
{
#if !defined( USE_WX_GRAPHICS_CONTEXT ) // Crashes Cairo on initial size event.
INSTALL_DC( dc, this ); // Update boundary box.
#endif
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
scrollX = dc->LogicalToDeviceXRel( wxRound( Screen->GetGridSize().x ) );
scrollY = dc->LogicalToDeviceYRel( wxRound( Screen->GetGridSize().y ) );
#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.m_Pos.x = dc->DeviceToLogicalX( 0 );
m_ClipBox.m_Pos.y = dc->DeviceToLogicalY( 0 );
m_ClipBox.m_Size.x = dc->DeviceToLogicalXRel( m_ClipBox.m_Size.x );
m_ClipBox.m_Size.y = dc->DeviceToLogicalYRel( m_ClipBox.m_Size.y );
/* Set to one (1) to draw bounding box validate bounding box calculation. */
#if 0
EDA_Rect bBox = m_ClipBox;
m_ClipBox.Inflate( -dc->DeviceToLogicalXRel( 1 ) );
GRRect( NULL, dc, bBox.GetOrigin().x, bBox.GetOrigin().y,
bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
m_ClipBox.Inflate( dc->DeviceToLogicalXRel( 1 ) );
/* Always set the clipping region to the screen size. This prevents this bug:
* <http://trac.wxwidgets.org/ticket/10446> from occurring on WXMSW if you happen
* to be zoomed way in and your drawing coodinates get too large.
*/
dc->SetClippingRegion( m_ClipBox );
#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 );
}
void WinEDA_DrawPanel::DoPrepareDC(wxDC& dc)
{
#ifdef USE_WX_ZOOM
if( GetScreen() != NULL )
{
double scale = GetScreen()->GetScalingFactor();
SetScale( scale, scale );
wxScrolledWindow::DoPrepareDC( dc );
wxPoint origin = GetScreen()->m_DrawOrg;
dc.SetLogicalOrigin( origin.x, origin.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 0
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.
*/
m_ClipBox.m_Pos.x = paintDC.DeviceToLogicalX( PaintClipBox.x );
m_ClipBox.m_Pos.y = paintDC.DeviceToLogicalY( PaintClipBox.y );
m_ClipBox.m_Size.x = paintDC.DeviceToLogicalXRel( PaintClipBox.width );
m_ClipBox.m_Size.y = paintDC.DeviceToLogicalYRel( PaintClipBox.height );
#if 0
EDA_Rect bBox = m_ClipBox;
m_ClipBox.Inflate( -paintDC.DeviceToLogicalXRel( 1 ) );
GRRect( NULL, &paintDC, bBox.GetOrigin().x, bBox.GetOrigin().y,
bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
m_ClipBox.Inflate( paintDC.DeviceToLogicalXRel( 1 ) );
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 0
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 );
}
/** 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 )
{
BASE_SCREEN* screen = GetScreen();
int ii, jj, xg, yg;
wxRealPoint screen_grid_size;
wxSize size;
wxPoint org;
/* 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
if( DC->LogicalToDeviceXRel( wxRound( screen_grid_size.x ) ) < 5
|| DC->LogicalToDeviceXRel( wxRound( screen_grid_size.y ) ) < 5 )
return;
org = m_ClipBox.m_Pos;
size = m_ClipBox.m_Size;
#else
wxRealPoint dgrid = screen_grid_size;
screen->Scale( dgrid ); // dgrid = grid size in pixels
// if the grid size is small ( < 5 pixels) do not display all points
if( dgrid.x < 5 )
{
screen_grid_size.x *= 2;
dgrid.x *= 2;
}
if( dgrid.x < 5 )
return; // The grid is too small: do not show it
if( dgrid.y < 5 )
{
screen_grid_size.y *= 2;
dgrid.y *= 2;
}
if( dgrid.y < 5 )
return; // The grid is too small
screen->Unscale( size );
screen->Unscale( org );
org += screen->m_DrawOrg;
#endif
m_Parent->PutOnGrid( &org );
GRSetColorPen( DC, m_Parent->GetGridColor() );
int xpos, ypos;
// 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.
#if defined( __WXMAC__ )
wxWindowUpdateLocker( this ); // under macOSX: drawings are faster with this
#endif
/* 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
// There is a lot of calls, so the cost is hight
// and grid is slowly drawn on some platforms
for( ii = 0; ; ii++ )
{
xg = wxRound( ii * screen_grid_size.x );
if( xg > size.x )
break;
xpos = org.x + xg;
xpos = GRMapX( xpos );
for( jj = 0; ; jj++ )
{
yg = wxRound( jj * screen_grid_size.y );
if( yg > size.y )
break;
ypos = org.y + yg;
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++ ) // 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++ )
{
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.
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 );
}
/** 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;
}
#ifdef USE_WX_ZOOM
GetScreen()->m_Curseur = CursorRealPosition( event.GetPosition() );
#else
GetScreen()->m_Curseur =
CursorRealPosition( CalcUnscrolledPosition( event.GetPosition() ) );
#endif
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 );
}
// 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 in order to avoid spurious block
* commands. */
static int MinDragEventCount;
if( event.Leaving() || event.Entering() )
{
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;
if( event.ButtonDClick( 2 ) )
{
}
; // Unused
localrealbutt |= localbutt; /* compensation default wxGTK */
#ifdef USE_WX_ZOOM
/* Compute the cursor position in screen (device) units. */
screen->m_MousePositionInPixels = event.GetPosition();
/* Compute the cursor position in drawing (logical) units. */
screen->m_MousePosition = CursorRealPosition( event.GetPosition() );
#else
/* 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() ) );
#endif
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( 2 )
&& (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( 1 ) || event.ButtonUp( 2 ) )
{
/* 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
* GR_KB_CTRL + 'A' to GR_KB_CTRL + 'Z'
*/
if( (localkey & (GR_KB_CTRL|GR_KB_ALT|GR_KB_SHIFT)) == GR_KB_CTRL )
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 */
#ifdef USE_WX_ZOOM
pos = wxGetMousePosition() - GetScreenPosition();
#else
pos = CalcUnscrolledPosition( wxGetMousePosition() - GetScreenPosition() );
#endif
/* 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;
GetViewStart( &x, &y ); // x and y are in scroll units, not in pixels
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() );
}
Scroll( x, y );
MouseToCursorSchema();
}
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 );
}
}
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