355 lines
11 KiB
C++
355 lines
11 KiB
C++
/************************************************************************
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* treeview.cpp - Example of a FListView widget with a tree hierarchy *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2017 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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************************************************************************/
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <final/fapplication.h>
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#include <final/fdialog.h>
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#include <final/flistview.h>
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#include <final/fmessagebox.h>
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//----------------------------------------------------------------------
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// class Treeview
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class Treeview : public FDialog
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{
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public:
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// Constructor
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explicit Treeview (FWidget* = 0);
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// Destructor
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~Treeview();
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private:
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// Typedefs
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struct TreeItem; // forward declaration
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// Disable copy constructor
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Treeview (const Treeview&);
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// Disable assignment operator (=)
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Treeview& operator = (const Treeview&);
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// Method
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void adjustSize();
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// Event handlers
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void onClose (FCloseEvent*);
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// Callback methods
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void cb_exitApp (FWidget*, data_ptr);
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// Data Members
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FListView* listView;
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FButton* Quit;
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};
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#pragma pack(pop)
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//----------------------------------------------------------------------
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// struct Treeview::TreeItem
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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struct Treeview::TreeItem
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{
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const char* const* begin() const
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{ return &name; }
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const char* const* end() const
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{ return &density + 1; }
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// Data Members
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const char* name;
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const char* population;
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const char* density;
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TreeItem* child_element;
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};
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#pragma pack(pop)
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//----------------------------------------------------------------------
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Treeview::Treeview (FWidget* parent)
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: FDialog(parent)
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, listView()
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, Quit()
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{
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// Create FListView object
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listView = new FListView (this);
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listView->setGeometry(2, 1, 53, 14);
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// Add columns to the view
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listView->addColumn ("Name", 23);
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listView->addColumn ("Population");
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listView->addColumn ("Density/km²");
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// Set right alignment for the second and third column
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listView->setColumnAlignment (2, fc::alignRight);
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listView->setColumnAlignment (3, fc::alignRight);
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// Activate tree view
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listView->setTreeView();
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// Populate FListView with a list of items
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static TreeItem africa[] =
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{
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{ "Algeria", "40,400,000", "15.9", 0 },
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{ "Angola", "25,789,024", "20.69", 0 },
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{ "Botswana", "2,250,260", "3.7", 0 },
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{ "Cameroon", "22,534,532", "39.7", 0 },
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{ "Chad", "13,670,084", "8.6", 0 },
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{ "Egypt", "94,666,000", "87", 0 },
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{ "Ethiopia", "102,374,044", "92.7", 0 },
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{ "Ivory Coast", "23,740,424", "63.9", 0 },
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{ "Libya", "6,541,948", "3.55", 0 },
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{ "Madagascar", "24,430,325", "35.2", 0 },
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{ "Mali", "14,517,176", "11.7", 0 },
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{ "Mauritania", "4,301,018", "3.4", 0 },
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{ "Mozambique", "24,692,144", "28.7", 0 },
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{ "Namibia", "2,113,077", "2.54", 0 },
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{ "Niger", "20,672,987", "12.1", 0 },
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{ "Nigeria", "185,989,640", "197.2", 0 },
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{ "Somalia", "14,317,996", "19.31", 0 },
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{ "South Africa", "54,956,900", "42.4", 0 },
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{ "South Sudan", "12,340,000", "13.33", 0 },
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{ "Sudan", "39,578,828", "21.3", 0 },
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{ "Tanzania", "51,820,00", "47.5", 0 },
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{ "Zambia", "16,212,000", "17.2", 0 },
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{ 0, 0, 0, 0 }
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};
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static TreeItem asia[] =
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{
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{ "Afghanistan", "34,656,032", "49.88", 0 },
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{ "China", "1,403,500,365", "145.0", 0 },
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{ "India", "1,324,171,354", "393.9", 0 },
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{ "Indonesia", "261,115,456", "124.66", 0 },
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{ "Iran", "80,829,192", "48.0", 0 },
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{ "Iraq", "37,202,572", "82.7", 0 },
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{ "Japan", "126,740,000", "336.0", 0 },
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{ "Kazakhstan", "17,987,736", "6.49", 0 },
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{ "Mongolia", "3,081,677", "1.97", 0 },
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{ "Myanmar", "51,486,253", "76.0", 0 },
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{ "Pakistan", "207,774,520", "244.4", 0 },
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{ "Russia", "144,463,451", "8.4", 0 },
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{ "Saudi Arabia", "33,000,000", "15.0", 0 },
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{ "Thailand", "68,863,514", "132.1", 0 },
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{ "Turkey", "79,814,871", "102.0", 0 },
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{ "Turkmenistan", "5,662,544", "10.5", 0 },
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{ "Uzbekistan", "32,979,000", "70.5", 0 },
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{ "Vietnam", "94,569,072", "276.03", 0 },
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{ "Yemen", "27,584,213", "44.7", 0 },
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{ 0, 0, 0, 0 }
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};
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static TreeItem europe[] =
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{
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{ "Austria", "8,794,267", "104.0", 0 },
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{ "Belarus", "9,498,700", "45.8", 0 },
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{ "Bulgaria", "7,101,859", "64.9", 0 },
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{ "Czech Republic", "10,610,947", "134.0", 0 },
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{ "Finland", "5,506,312", "16.0", 0 },
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{ "France", "66,991,000", "103.0", 0 },
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{ "Germany", "82,175,700", "227.0", 0 },
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{ "Greece", "11,183,716", "82.0", 0 },
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{ "Hungary", "9,797,561", "105.3", 0 },
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{ "Iceland", "332,529", "3.2", 0 },
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{ "Italy", "60,589,445", "201.3", 0 },
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{ "Norway", "5,267,146", "15.8", 0 },
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{ "Poland", "38,634,007", "123.0", 0 },
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{ "Portugal", "10,309,573", "115.0", 0 },
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{ "Romania", "19,638,000", "84.4", 0 },
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{ "Serbia", "7,058,322", "91.1", 0 },
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{ "Spain", "46,468,102", "92.0", 0 },
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{ "Sweden", "10,065,389", "22.0", 0 },
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{ "United Kingdom", "65,648,000", "270.7", 0 },
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{ 0, 0, 0, 0 }
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};
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static TreeItem north_america[] =
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{
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{ "Canada", "35,151,728", "3.92", 0 },
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{ "Cuba", "11,239,224", "102.3", 0 },
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{ "Greenland", "56,483", "0.028", 0 },
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{ "Guatemala", "16,582,469", "129.0", 0 },
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{ "Honduras", "9,112,867", "64.0", 0 },
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{ "Mexico", "119,530,753", "61.0", 0 },
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{ "Nicaragua", "6,167,237", "51.0", 0 },
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{ "USA", "325,365,189", "35.0", 0 },
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{ 0, 0, 0, 0 }
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};
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static TreeItem south_america[] =
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{
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{ "Argentina", "43,847,430", "14.4", 0 },
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{ "Bolivia", "11,410,651", "10.4", 0 },
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{ "Brazil", "208,064,000", "24.35", 0 },
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{ "Chile", "18,006,407", "24.0", 0 },
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{ "Colombia", "49,364,592", "40.74", 0 },
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{ "Ecuador", "16,385,068", "58.95", 0 },
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{ "Guyana", "773,303", "3.502", 0 },
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{ "Paraguay", "6,725,308", "17.2", 0 },
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{ "Peru", "31,826,018", "23.0", 0 },
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{ "Venezuela", "31,568,179", "33.75", 0 },
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{ 0, 0, 0, 0 }
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};
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static TreeItem oceania[] =
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{
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{ "Australia", "24,675,900", "3.2", 0 },
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{ "Papua New Guinea", "7,059,653", "15.0", 0 },
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{ "Papua", "3,486,432", "11.0", 0 },
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{ "New Zealand", "4,823,090", "17.5", 0 },
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{ "West Papua", "877,437", "6.3", 0 },
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{ "Solomon Islands", "599,419", "18.1", 0 },
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{ "New Caledonia", "268,767", "14.5", 0 },
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{ "Fiji", "898,76", "46.4", 0 },
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{ "Hawaii", "1,428,557", "82.6", 0 },
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{ "Vanuatu", "270,402", "19.7", 0 },
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{ "French Polynesia", "280,208", "76.0", 0 },
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{ "Samoa", "192,342", "68.0", 0 },
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{ "Kiribati", "110,136", "152.0", 0 },
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{ 0, 0, 0, 0 }
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};
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static TreeItem continent[] =
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{
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{ "Africa", "944,000,000", "31.2", africa },
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{ "Asia", "4,010,000,000", "90.3", asia },
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{ "Europe", "733,000,000", "69.9", europe },
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{ "North America", "523,000,000", "21", north_america },
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{ "South America", "381,000,000", "21.4", south_america },
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{ "Antarctica", "1000", "0", 0 },
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{ "Australia/Oceania", "34,000,000", "4", oceania },
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{ 0, 0, 0, 0 }
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};
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TreeItem* continent_list = continent;
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while ( continent_list->name )
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{
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TreeItem* country_list = continent_list->child_element;
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FStringList continent_line (continent_list->begin(), continent_list->end());
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FObjectIterator iter = listView->insert (continent_line);
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while ( country_list && country_list->name )
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{
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FStringList country_line (country_list->begin(), country_list->end());
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listView->insert (country_line, iter);
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country_list++;
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}
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continent_list++;
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}
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FObjectIterator iter = listView->beginOfList();
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FObjectIterator iter_africa = iter++;
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FListViewItem* item_africa = static_cast<FListViewItem*>(*iter_africa);
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item_africa->expand();
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// Quit button
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Quit = new FButton (this);
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Quit->setGeometry(24, 16, 10, 1);
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Quit->setText (L"&Quit");
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// Add some function callbacks
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Quit->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &Treeview::cb_exitApp)
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);
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}
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//----------------------------------------------------------------------
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Treeview::~Treeview() // destructor
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{ }
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//----------------------------------------------------------------------
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void Treeview::adjustSize()
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{
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int h = getParentWidget()->getHeight() - 4;
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setHeight (h, false);
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int X = int((getParentWidget()->getWidth() - getWidth()) / 2);
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if ( X < 1 )
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X = 1;
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setX (X, false);
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if ( listView )
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listView->setHeight (getHeight() - 6, false);
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if ( Quit )
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Quit->setY(getHeight() - 4);
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FDialog::adjustSize();
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}
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//----------------------------------------------------------------------
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void Treeview::onClose (FCloseEvent* ev)
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{
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int ret = FMessageBox::info ( this, "Quit"
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, "Do you really want\n"
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"to quit the program ?"
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, FMessageBox::Yes
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, FMessageBox::No );
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if ( ret == FMessageBox::Yes )
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ev->accept();
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else
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ev->ignore();
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}
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//----------------------------------------------------------------------
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void Treeview::cb_exitApp (FWidget*, data_ptr)
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{
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close();
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}
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//----------------------------------------------------------------------
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// main part
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//----------------------------------------------------------------------
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int main (int argc, char* argv[])
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{
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// Create the application object
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FApplication app(argc, argv);
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// Create main dialog object
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Treeview d(&app);
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d.setText (L"Continents");
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d.setGeometry (int(1 + (app.getWidth() - 57) / 2), 3, 57, 20);
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d.setShadow();
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// Set dialog d as main widget
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app.setMainWidget(&d);
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// Show and start the application
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d.show();
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return app.exec();
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}
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