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kicad/common/zoom.cpp

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/************/
/* zoom.cpp */
/************/
/*
* Manage zoom, grid step, and auto crop.
*/
#include "fctsys.h"
#include "common.h"
#include "macros.h"
#include "bitmaps.h"
#include "id.h"
#include "class_drawpanel.h"
#include "class_base_screen.h"
#include "wxstruct.h"
#include "kicad_device_context.h"
#include "hotkeys_basic.h"
/** Compute draw offset (scroll bars and draw parameters)
* in order to have the current graphic cursor position at the screen center
* @param ToMouse if TRUE, the mouse cursor is moved
* to the graphic cursor position (which is usually on grid)
*
* Note: Mac OS ** does not ** allow moving mouse cursor by program.
*/
void WinEDA_DrawFrame::Recadre_Trace( bool ToMouse )
{
PutOnGrid( &(GetBaseScreen()->m_Curseur) );
AdjustScrollBars();
#if !(defined(__WXMAC__) && defined(USE_WX_ZOOM))
/* We do not use here DrawPanel->Refresh() because
* the redraw is delayed and the mouse events (from MouseToCursorSchema ot others)
* during this delay create problems: the mouse cursor position is false in calculations.
* TODO: see exactly how the mouse creates problems when moving during refresh
* use Refresh() and update() do not change problems
*/
INSTALL_DC( dc, DrawPanel );
DrawPanel->ReDraw( &dc, DrawPanel->m_DisableEraseBG ? false : true );
#else
DrawPanel->Refresh();
DrawPanel->Update();
#endif
/* Move the mouse cursor to the on grid graphic cursor position */
if( ToMouse == TRUE )
DrawPanel->MouseToCursorSchema();
}
/** Adjust the coordinate to the nearest grid value
* @param aCoord = coordinate to adjust
* @param aGridSize = pointer to a grid value. if NULL uses the current grid size
*/
void WinEDA_DrawFrame::PutOnGrid( wxPoint* aCoord , wxRealPoint* aGridSize )
{
wxRealPoint grid_size;
if( aGridSize )
grid_size = *aGridSize;
else
grid_size = GetBaseScreen()->GetGridSize();
const wxPoint& grid_origin = GetBaseScreen()->GetGridOrigin();
double offset = fmod(grid_origin.x, grid_size.x);
int tmp = wxRound( (aCoord->x - offset) / grid_size.x );
aCoord->x = wxRound( tmp * grid_size.x + offset );
offset = fmod(grid_origin.y, grid_size.y);
tmp = wxRound( (aCoord->y - offset) / grid_size.y );
aCoord->y = wxRound ( tmp * grid_size.y + offset );
}
/** Redraw the screen with best zoom level and the best centering
* that shows all the page or the board
*/
void WinEDA_DrawFrame::Zoom_Automatique( bool move_mouse_cursor )
{
GetBaseScreen()->SetZoom( BestZoom() ); // Set the best zoom
Recadre_Trace( move_mouse_cursor ); // Set the best centering and refresh the screen
}
/** Compute the zoom factor and the new draw offset to draw the
* selected area (Rect) in full window screen
* @param Rect = selected area to show after zooming
*/
void WinEDA_DrawFrame::Window_Zoom( EDA_Rect& Rect )
{
double scalex, bestscale;
wxSize size;
/* Compute the best zoom */
Rect.Normalize();
size = DrawPanel->GetClientSize();
// Use ceil to at least show the full rect
scalex = (double) Rect.GetSize().x / size.x;
bestscale = (double) Rect.GetSize().y / size.y;
bestscale = MAX( bestscale, scalex );
GetBaseScreen()->SetScalingFactor( bestscale );
GetBaseScreen()->m_Curseur = Rect.Centre();
Recadre_Trace( TRUE );
}
/**
* Function OnZoom
* Called from any zoom event (toolbar , hotkey or popup )
*/
void WinEDA_DrawFrame::OnZoom( wxCommandEvent& event )
{
if( DrawPanel == NULL )
return;
int i;
int id = event.GetId();
bool zoom_at_cursor = false;
BASE_SCREEN* screen = GetBaseScreen();
switch( id )
{
case ID_POPUP_ZOOM_IN:
zoom_at_cursor = true;
// fall thru
case ID_ZOOM_IN:
if( id == ID_ZOOM_IN )
screen->m_Curseur = DrawPanel->GetScreenCenterRealPosition();
if( screen->SetPreviousZoom() )
Recadre_Trace( zoom_at_cursor );
break;
case ID_POPUP_ZOOM_OUT:
zoom_at_cursor = true;
// fall thru
case ID_ZOOM_OUT:
if( id == ID_ZOOM_OUT )
screen->m_Curseur = DrawPanel->GetScreenCenterRealPosition();
if( screen->SetNextZoom() )
Recadre_Trace( zoom_at_cursor );
break;
case ID_ZOOM_REDRAW:
DrawPanel->Refresh();
break;
case ID_POPUP_ZOOM_CENTER:
Recadre_Trace( true );
break;
case ID_ZOOM_PAGE:
Zoom_Automatique( false );
break;
case ID_POPUP_ZOOM_SELECT:
break;
case ID_POPUP_CANCEL:
DrawPanel->MouseToCursorSchema();
break;
default:
i = id - ID_POPUP_ZOOM_LEVEL_START;
if( ( i < 0 ) || ( (size_t) i >= screen->m_ZoomList.GetCount() ) )
{
wxLogDebug( wxT( "%s %d: index %d is outside the bounds of the zoom list." ),
__TFILE__, __LINE__, i );
return;
}
if( screen->SetZoom( screen->m_ZoomList[i] ) )
Recadre_Trace( true );
}
UpdateStatusBar();
}
/* add the zoom list menu the the MasterMenu.
* used in OnRightClick(wxMouseEvent& event)
*/
void WinEDA_DrawFrame::AddMenuZoomAndGrid( wxMenu* MasterMenu )
{
int maxZoomIds;
int zoom;
wxString msg;
BASE_SCREEN * screen = DrawPanel->GetScreen();
msg = AddHotkeyName( _( "Center" ), m_HotkeysZoomAndGridList, HK_ZOOM_CENTER );
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_CENTER, msg, zoom_center_xpm );
msg = AddHotkeyName( _( "Zoom in" ), m_HotkeysZoomAndGridList, HK_ZOOM_IN );
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_IN, msg, zoom_in_xpm );
msg = AddHotkeyName( _( "Zoom out" ), m_HotkeysZoomAndGridList, HK_ZOOM_OUT );
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_OUT, msg, zoom_out_xpm );
msg = AddHotkeyName( _( "Redraw view" ), m_HotkeysZoomAndGridList, HK_ZOOM_REDRAW );
ADD_MENUITEM( MasterMenu, ID_ZOOM_REDRAW, msg, zoom_redraw_xpm );
msg = AddHotkeyName( _( "Zoom auto" ), m_HotkeysZoomAndGridList, HK_ZOOM_AUTO );
ADD_MENUITEM( MasterMenu, ID_ZOOM_PAGE, msg, zoom_auto_xpm );
wxMenu* zoom_choice = new wxMenu;
ADD_MENUITEM_WITH_SUBMENU( MasterMenu, zoom_choice,
ID_POPUP_ZOOM_SELECT, _( "Zoom select" ),
zoom_select_xpm );
zoom = screen->GetZoom();
maxZoomIds = ID_POPUP_ZOOM_LEVEL_END - ID_POPUP_ZOOM_LEVEL_START;
maxZoomIds = ( (size_t) maxZoomIds < screen->m_ZoomList.GetCount() ) ?
maxZoomIds : screen->m_ZoomList.GetCount();
/* Populate zoom submenu. */
for( int i = 0; i < maxZoomIds; i++ )
{
if( ( screen->m_ZoomList[i] % screen->m_ZoomScalar ) == 0 )
msg.Printf( wxT( "%u" ),
screen->m_ZoomList[i] / screen->m_ZoomScalar );
else
msg.Printf( wxT( "%.1f" ),
(float) screen->m_ZoomList[i] /
screen->m_ZoomScalar );
zoom_choice->Append( ID_POPUP_ZOOM_LEVEL_START + i, _( "Zoom: " ) + msg,
wxEmptyString, wxITEM_CHECK );
if( zoom == screen->m_ZoomList[i] )
zoom_choice->Check( ID_POPUP_ZOOM_LEVEL_START + i, true );
}
/* Create grid submenu as required. */
if( screen->GetGridCount() )
{
wxMenu* gridMenu = new wxMenu;
ADD_MENUITEM_WITH_SUBMENU( MasterMenu, gridMenu, ID_POPUP_GRID_SELECT,
_( "Grid Select" ), grid_select_xpm );
GRID_TYPE tmp;
wxRealPoint grid = screen->GetGridSize();
for( size_t i = 0; i < screen->GetGridCount(); i++ )
{
tmp = screen->GetGrid( i );
double gridValueInch = To_User_Unit( INCHES, tmp.m_Size.x, m_InternalUnits );
double gridValue_mm = To_User_Unit( MILLIMETRES, tmp.m_Size.x, m_InternalUnits );
if( tmp.m_Id == ID_POPUP_GRID_USER )
{
msg = _( "User Grid" );
}
else
{
switch( g_UserUnit )
{
case INCHES:
msg.Printf( wxT( "%.1f mils, (%.3f mm)" ),
gridValueInch * 1000, gridValue_mm );
break;
case MILLIMETRES:
msg.Printf( wxT( "%.3f mm, (%.1f mils)" ),
gridValue_mm, gridValueInch * 1000 );
break;
case UNSCALED_UNITS:
msg = wxT( "???" );
break;
}
}
gridMenu->Append( tmp.m_Id, msg, wxEmptyString, true );
if( grid == tmp.m_Size )
gridMenu->Check( tmp.m_Id, true );
}
}
MasterMenu->AppendSeparator();
ADD_MENUITEM( MasterMenu, ID_POPUP_CANCEL, _( "Close" ), cancel_xpm );
}
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