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
|
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright The 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "widgets/wx_grid_autosizer.h"
#include <optional>
#include <wx/settings.h>
WX_GRID_AUTOSIZER::WX_GRID_AUTOSIZER( wxGrid& aGrid, COL_MIN_WIDTHS aAutosizedCols,
unsigned aFlexibleCol ) :
m_grid( aGrid ), m_autosizedCols( std::move( aAutosizedCols ) ),
m_flexibleCol( aFlexibleCol )
{
const int colCount = m_grid.GetNumberCols();
for( const auto& [colIndex, width] : m_autosizedCols )
{
wxASSERT_MSG( colIndex < colCount, "Autosized column does not exist in grid" );
}
wxASSERT_MSG( m_flexibleCol < colCount, "Flexible column index does not exist in grid" );
m_grid.Bind( wxEVT_UPDATE_UI,
[this]( wxUpdateUIEvent& aEvent )
{
recomputeGridWidths();
} );
m_grid.Bind( wxEVT_SIZE,
[this]( wxSizeEvent& aEvent )
{
onSizeEvent( aEvent );
} );
// Handles the case when the user changes the cell content to be longer than the
// current column size
m_grid.Bind( wxEVT_GRID_CELL_CHANGED,
[this]( wxGridEvent& aEvent )
{
m_gridWidthsDirty = true;
aEvent.Skip();
} );
}
void WX_GRID_AUTOSIZER::recomputeGridWidths()
{
if( m_gridWidthsDirty )
{
const int width =
m_grid.GetClientRect().GetWidth() - wxSystemSettings::GetMetric( wxSYS_VSCROLL_X );
std::optional<int> flexibleMinWidth;
for( const auto& [colIndex, minWidth] : m_autosizedCols )
{
m_grid.AutoSizeColumn( colIndex );
const int colSize = m_grid.GetColSize( colIndex );
int minWidthScaled = m_grid.FromDIP( minWidth );
m_grid.SetColSize( colIndex, std::max( minWidthScaled, colSize ) );
if( colIndex == m_flexibleCol )
{
flexibleMinWidth = minWidthScaled;
}
}
// Gather all the widths except the flexi one
int nonFlexibleWidth = 0;
for( int i = 0; i < m_grid.GetNumberCols(); ++i )
{
if( i != m_flexibleCol )
{
nonFlexibleWidth += m_grid.GetColSize( i );
}
}
m_grid.SetColSize( m_flexibleCol,
std::max( flexibleMinWidth.value_or( 0 ), width - nonFlexibleWidth ) );
// Store the state for next time
m_gridWidth = m_grid.GetSize().GetX();
m_gridWidthsDirty = false;
}
}
void WX_GRID_AUTOSIZER::onSizeEvent( wxSizeEvent& aEvent )
{
const int width = aEvent.GetSize().GetX();
if( width != m_gridWidth )
{
m_gridWidthsDirty = true;
}
aEvent.Skip();
}
|
