1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <pcb_edit_frame.h>
#include <class_draw_panel_gal.h>
#include <view/view_controls.h>
#include <view/view.h>
#include <tool/tool_manager.h>
#include <tool/actions.h>
#include <tool/zoom_tool.h>
#include <preview_items/selection_area.h>
ZOOM_TOOL::ZOOM_TOOL() :
TOOL_INTERACTIVE( "common.Control.zoomTool" )
{
m_frame = NULL;
}
ZOOM_TOOL::~ZOOM_TOOL() {}
void ZOOM_TOOL::Reset( RESET_REASON aReason )
{
m_frame = getEditFrame<EDA_DRAW_FRAME>();
}
int ZOOM_TOOL::Main( const TOOL_EVENT& aEvent )
{
// This method is called both when the zoom tool is activated (on) or deactivated (off)
wxMenuBar* menu = m_frame->GetMenuBar();
bool zoom_tool_is_on = m_frame->GetToolToggled( ID_ZOOM_SELECTION ) ||
( menu && menu->IsChecked( ID_ZOOM_SELECTION ) );
if( !zoom_tool_is_on ) // This is a tool deselection: do nothing
return 0;
m_frame->SetToolID( ID_ZOOM_SELECTION, wxCURSOR_MAGNIFIER, _( "Zoom to selection" ) );
while( auto evt = Wait() )
{
if( evt->IsCancel() || evt->IsActivate() )
break;
else if( evt->IsDrag( BUT_LEFT ) || evt->IsDrag( BUT_RIGHT ) )
{
if( selectRegion() )
break;
}
else
m_toolMgr->PassEvent();
}
// Exit zoom tool
m_frame->SetNoToolSelected();
return 0;
}
bool ZOOM_TOOL::selectRegion()
{
bool cancelled = false;
auto view = getView();
auto canvas = m_frame->GetGalCanvas();
getViewControls()->SetAutoPan( true );
KIGFX::PREVIEW::SELECTION_AREA area;
view->Add( &area );
while( auto evt = Wait() )
{
if( evt->IsCancel() || evt->IsActivate() )
{
cancelled = true;
break;
}
if( evt->IsDrag( BUT_LEFT ) || evt->IsDrag( BUT_RIGHT ) )
{
area.SetOrigin( evt->DragOrigin() );
area.SetEnd( evt->Position() );
view->SetVisible( &area, true );
view->Update( &area, KIGFX::GEOMETRY );
}
if( evt->IsMouseUp( BUT_LEFT ) || evt->IsMouseUp( BUT_RIGHT ) )
{
view->SetVisible( &area, false );
auto selectionBox = area.ViewBBox();
VECTOR2D screenSize = view->ToWorld( canvas->GetClientSize(), false );
if( selectionBox.GetWidth() == 0 || selectionBox.GetHeight() == 0 )
{
break;
}
else
{
VECTOR2D vsize = selectionBox.GetSize();
double scale;
double ratio = std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
if( evt->IsMouseUp( BUT_LEFT ) )
{
scale = view->GetScale() / ratio;
}
else
{
scale = view->GetScale() * ratio;
}
view->SetScale( scale );
view->SetCenter( selectionBox.Centre() );
break;
}
}
}
view->SetVisible( &area, false );
view->Remove( &area );
getViewControls()->SetAutoPan( false );
return cancelled;
}
void ZOOM_TOOL::setTransitions()
{
Go( &ZOOM_TOOL::Main, ACTIONS::zoomTool.MakeEvent() );
}
|
