kicad/common/zoom.cpp

258 lines
7.5 KiB
C++

/************/
/* 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"
/** 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();
INSTALL_DC( dc, DrawPanel ) ;
DrawPanel->ReDraw( &dc );
/* 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 coord = coordinate to adjust
*/
void WinEDA_DrawFrame::PutOnGrid( wxPoint* coord )
{
wxRealPoint grid_size = GetBaseScreen()->GetGridSize();
if( !GetBaseScreen()->m_UserGridIsON )
{
int tmp = wxRound( coord->x / grid_size.x );
coord->x = wxRound( tmp * grid_size.x );
tmp = wxRound( coord->y / grid_size.y );
coord->y = wxRound ( tmp * grid_size.y );
}
}
/** 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(); usually good,
// but does not work under linux, when called from here (wxGTK bug ?)
{
INSTALL_DC( dc, DrawPanel );
DrawPanel->ReDraw( &dc );
}
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_DrawPanel::AddMenuZoom( wxMenu* MasterMenu )
{
size_t i;
int maxZoomIds;
int zoom;
wxRealPoint grid;
wxString msg;
GRID_TYPE tmp;
wxMenu* gridMenu;
double gridValue;
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_CENTER, _( "Center" ),
zoom_center_xpm );
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_IN, _( "Zoom in" ), zoom_in_xpm );
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_OUT, _( "Zoom out" ), zoom_out_xpm );
ADD_MENUITEM( MasterMenu, ID_ZOOM_PAGE, _( "Zoom auto" ), zoom_auto_xpm );
wxMenu* zoom_choice = new wxMenu;
ADD_MENUITEM_WITH_SUBMENU( MasterMenu, zoom_choice,
ID_POPUP_ZOOM_SELECT, _( "Zoom select" ),
zoom_select_xpm );
ADD_MENUITEM( MasterMenu, ID_ZOOM_REDRAW, _( "Redraw view" ),
zoom_redraw_xpm );
zoom = GetScreen()->GetZoom();
maxZoomIds = ID_POPUP_ZOOM_LEVEL_END - ID_POPUP_ZOOM_LEVEL_START;
maxZoomIds = ( (size_t) maxZoomIds < GetScreen()->m_ZoomList.GetCount() ) ?
maxZoomIds : GetScreen()->m_ZoomList.GetCount();
/* Populate zoom submenu. */
for( i = 0; i < (size_t) maxZoomIds; i++ )
{
if ( ( GetScreen()->m_ZoomList[i] % GetScreen()->m_ZoomScalar ) == 0 )
msg.Printf( wxT( "%u" ),
GetScreen()->m_ZoomList[i] / GetScreen()->m_ZoomScalar );
else
msg.Printf( wxT( "%.1f" ),
(float) GetScreen()->m_ZoomList[i] /
GetScreen()->m_ZoomScalar );
zoom_choice->Append( ID_POPUP_ZOOM_LEVEL_START + i, _( "Zoom: " ) + msg,
wxEmptyString, wxITEM_CHECK );
if( zoom == GetScreen()->m_ZoomList[i] )
zoom_choice->Check( ID_POPUP_ZOOM_LEVEL_START + i, true );
}
/* Create grid submenu as required. */
if( !GetScreen()->m_GridList.IsEmpty() )
{
gridMenu = new wxMenu;
ADD_MENUITEM_WITH_SUBMENU( MasterMenu, gridMenu,
ID_POPUP_GRID_SELECT, _( "Grid Select" ),
grid_select_xpm );
grid = GetScreen()->GetGridSize();
for( i = 0; i < GetScreen()->m_GridList.GetCount(); i++ )
{
tmp = GetScreen()->m_GridList[i];
gridValue = To_User_Unit( g_UnitMetric, tmp.m_Size.x,
m_Parent->m_InternalUnits );
if( tmp.m_Id == ID_POPUP_GRID_USER )
{
msg = _( "User Grid" );
}
else
{
if ( g_UnitMetric == 0 ) // inches
msg.Printf( wxT( "%.1f mils" ), gridValue * 1000 );
else
msg.Printf( wxT( "%.3f mm" ), gridValue );
msg = _( "Grid: " ) + msg;
}
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 );
}