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/*
xmunipack - FITS extension side-list
Copyright © 2019-22 F.Hroch (hroch@physics.muni.cz)
This file is part of Munipack.
Munipack 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.
Munipack 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 Munipack. If not, see <http://www.gnu.org/licenses/>.
*/
#include "xmunipack.h"
#include <wx/dataview.h>
#include <wx/wx.h>
#include <wx/graphics.h>
#include <vector>
#define LABEL "Extension"
using namespace std;
MuniExtensionList::MuniExtensionList(wxWindow *w, const MuniConfig *c):
wxDataViewListCtrl(w,wxID_ANY), config(c)
{
// indexes
idxtype[HDU_UNKNOWN] = 0;
idxtype[HDU_HEAD] = 1;
idxtype[HDU_IMAGE] = 2;
idxtype[HDU_TABLE] = 3;
// icon size
int height = GetCharHeight();
int size = int(height + 1);
// icons
icons.push_back(DrawIcon(size,HDU_HEAD)); // unknown
icons.push_back(DrawIcon(size,HDU_HEAD));
icons.push_back(DrawIcon(size,HDU_IMAGE));
icons.push_back(DrawIcon(size,HDU_TABLE));
// Moon
phases = MoonPhases(height);
Init();
Bind(wxEVT_DATAVIEW_SELECTION_CHANGED,&MuniExtensionList::OnExtChanged,this);
}
void MuniExtensionList::Clear()
{
DeleteAllItems();
ClearColumns();
}
void MuniExtensionList::Init()
{
wxASSERT(GetItemCount() == 0 && GetColumnCount() == 0);
int chwidth = GetCharWidth();
timer.Start();
AppendIconTextColumn(LABEL,wxDATAVIEW_CELL_INERT,15*chwidth);
AppendIconTextColumn(L"⇩",wxDATAVIEW_CELL_INERT,2*chwidth);
}
void MuniExtensionList::Finish()
{
wxASSERT(GetItemCount() > 0 && GetColumnCount() == 2);
wxDataViewColumn *col = GetColumn(1);
DeleteColumn(col);
SelectRow(0);
}
void MuniExtensionList::Append(const wxString& extname, int hdutype)
{
wxASSERT(GetColumnCount() == 2);
wxLogDebug("MuniExtensionList::Append: "+extname+": %d %d",hdutype,int(GetItemCount()));
const size_t maxlen = 15;
wxString label(extname);
if( label.Len() > maxlen )
label = label.Truncate(maxlen) + "...";
wxVariant name;
name << wxDataViewIconText(label, icons[hdutype]);
wxVariant moonicon;
moonicon << wxDataViewIconText("", phases[0]);
wxVector<wxVariant> cols;
cols.push_back(name);
cols.push_back(moonicon);
AppendItem(cols);
timer.Start();
}
void MuniExtensionList::FinishProgress(int chdu)
{
UpdateProgress(chdu,1.01);
}
void MuniExtensionList::UpdateProgress(int chdu, double f)
{
int n = int(28*f);
if( GetItemCount() == chdu ) {
if( timer.Time() > 250 ) {
wxVariant moonicon;
moonicon << wxDataViewIconText("",phases[n]);
SetValue(moonicon,chdu-1,1);
}
}
/*
There is a wx/GTK trouble.
The warning:
(xmunipack:31084): Gtk-CRITICAL **: 12:24:47.105: gtk_widget_queue_draw_area: assertion 'width >= 0' failed
is issued shortly after start when something is probably uninitialised.
I found the only solution: Moon icon should be draw after some delay.
*/
}
void MuniExtensionList::ChangeSelection(int n)
{
SelectRow(n);
}
void MuniExtensionList::OnExtChanged(wxDataViewEvent& event)
{
if( ! IsOk() ) return;
int n = GetSelectedRow();
// wxLogDebug("MuniExtensionList::OnExtChanged %d",n);
if( n >= 0 ) {
wxCommandEvent e(wxEVT_COMMAND_MENU_SELECTED,ID_EXTENSION_SELECT);
e.SetInt(n);
wxQueueEvent(GetParent(),e.Clone());
}
}
bool MuniExtensionList::IsOk() const
{
return GetItemCount() > 0 && GetColumnCount() == 1;
}
wxIcon MuniExtensionList::DrawIcon(int size, int hdutype) const
{
wxBitmap bmp(size,size);
wxMemoryDC mdc(bmp);
wxGraphicsContext *gc = wxGraphicsContext::Create(mdc);
if( gc ) {
wxString ch;
if( hdutype == HDU_IMAGE )
ch = config->image_symbol;
else if( hdutype == HDU_TABLE )
ch = config->table_symbol;
else if( hdutype == HDU_HEAD )
ch = config->head_symbol;
gc->SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX)));
gc->DrawRectangle(0,0,size,size);
double w,h,u,v;
gc->SetFont(*wxNORMAL_FONT,*wxBLACK);
gc->GetTextExtent(ch,&w,&h,&u,&v);
int x = wxMax((size - w) / 2,0);
int y = wxMax((size - h) / 2,0);
gc->DrawText(ch,x,y);
delete gc;
}
mdc.SelectObject(wxNullBitmap);
wxIcon icon;
icon.CopyFromBitmap(bmp);
return icon;
}
vector<wxIcon> MuniExtensionList::MoonPhases(int size) const
{
const int width = 48;
const int height = 48;
wxImage moon_56frames(config->moon_56frames);
vector<wxIcon> icons;
for(int i = 0; i < 56; i++)
{
wxRect rect(1+i*width,1,width,height);
wxImage sub = moon_56frames.GetSubImage(rect);
wxBitmap bmp(sub.Rescale(size,size));
wxIcon icon;
icon.CopyFromBitmap(bmp);
icons.push_back(icon);
}
return icons;
}
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