kicad/common/zoom.cpp

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/************/
/* zoom.cpp */
/************/
/*
* Fonctions de gestion du zoom, du pas de grille et du
* recadrage automatique
*/
#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"
/**************************************************/
void WinEDA_DrawFrame::Recadre_Trace( bool ToMouse )
/**************************************************/
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/** 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.
*/
{
PutOnGrid( &(GetBaseScreen()->m_Curseur) );
AdjustScrollBars();
ReDrawPanel();
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/* Move the mouse cursor to the on grid graphic cursor position */
if( ToMouse == TRUE )
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{
DrawPanel->MouseToCursorSchema();
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}
}
/************************************************/
void WinEDA_DrawFrame::PutOnGrid( wxPoint* coord )
/************************************************/
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/** Adjust the coordinate to the nearest grid value
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* @param coord = coordinate to adjust
*/
{
wxRealPoint grid_size = GetBaseScreen()->GetGrid();
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 );
}
}
/**************************************************************/
void WinEDA_DrawFrame::Zoom_Automatique( bool move_mouse_cursor )
/**************************************************************/
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/** Redraw the screen with the zoom level which shows all the page or the board
*/
{
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if( GetBaseScreen()->SetZoom( BestZoom() ) )
Recadre_Trace( move_mouse_cursor );
}
/*************************************************/
void WinEDA_DrawFrame::Window_Zoom( EDA_Rect& Rect )
/*************************************************/
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/** Compute the zoom factor and the new draw offset to draw the
* selected area (Rect) in full window screen
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* @param Rect = selected area to show after zooming
*/
{
double scalex, bestscale;
wxSize size;
/* Compute the best zoom */
Rect.Normalize();
size = DrawPanel->GetClientSize();
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// 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 );
}
/******************************************************/
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void WinEDA_DrawFrame::OnZoom( wxCommandEvent& event )
/******************************************************/
/** Function OnZoom(
* Called from any zoom event (toolbar , hotkey or popup )
*/
{
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if( DrawPanel == NULL )
{
wxLogDebug( wxT( "No DrawPanel object defined in " \
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"WinEDA_DrawFrame::OnZoom()." ) );
return;
}
int i;
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int id = event.GetId();
bool zoom_at_cursor = false;
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BASE_SCREEN* screen = GetBaseScreen();
switch( id )
{
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case ID_POPUP_ZOOM_IN:
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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 );
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break;
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case ID_POPUP_ZOOM_OUT:
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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 );
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break;
case ID_ZOOM_REDRAW:
// DrawPanel->Refresh(); usually good,
// but does not work under linux, when called from here (wxGTK bug ?)
ReDrawPanel();
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break;
case ID_POPUP_ZOOM_CENTER:
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Recadre_Trace( true );
break;
case ID_ZOOM_PAGE:
Zoom_Automatique( false );
break;
case ID_POPUP_ZOOM_SELECT:
break;
case ID_POPUP_CANCEL:
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DrawPanel->MouseToCursorSchema();
break;
default:
i = id - ID_POPUP_ZOOM_LEVEL_START;
if( i < 0 )
{
wxLogDebug( wxT( "WinEDA_DrawFram::OnZoom() invalid ID %d" ), id );
return;
}
if( !( (size_t) i < screen->m_ZoomList.GetCount()) )
{
wxLogDebug( _T( "Requested index %d is outside the bounds of " \
"the zoom list." ), i );
return;
}
if( screen->SetZoom( screen->m_ZoomList[i] ) )
Recadre_Trace( true );
}
UpdateStatusBar();
}
void WinEDA_DrawPanel::OnPopupGridSelect( wxCommandEvent& event )
{
GetScreen()->SetGrid( event.GetId() );
Refresh();
}
/*************************************************************/
void WinEDA_DrawPanel::AddMenuZoom( wxMenu* MasterMenu )
/*************************************************************/
/* add the zoom list menu the the MasterMenu.
* used in OnRightClick(wxMouseEvent& event)
*/
{
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 );
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ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_IN, _( "Zoom in" ), zoom_in_xpm );
ADD_MENUITEM( MasterMenu, ID_POPUP_ZOOM_OUT, _( "Zoom out" ), zoom_out_xpm );
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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 );
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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();
wxLogDebug( _T( "%d zoom IDs used." ), maxZoomIds );
/* 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()->GetGrid();
for( i = 0; i < GetScreen()->m_GridList.GetCount(); i++ )
{
tmp = GetScreen()->m_GridList[i];
gridValue = To_User_Unit( g_UnitMetric, tmp.m_Size.x,
( (WinEDA_DrawFrame*)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 );
}