finalcut/examples/menu.cpp

338 lines
12 KiB
C++

/***********************************************************************
* menu.cpp - A menu example *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2015-2020 Markus Gans *
* *
* FINAL CUT is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
#include <final/final.h>
namespace fc = finalcut::fc;
using finalcut::FPoint;
using finalcut::FSize;
//----------------------------------------------------------------------
// class Menu
//----------------------------------------------------------------------
class Menu final : public finalcut::FDialog
{
public:
// Constructor
explicit Menu (finalcut::FWidget* = nullptr);
// Disable copy constructor
Menu (const Menu&) = delete;
// Destructor
~Menu() override = default;
// Disable copy assignment operator (=)
Menu& operator = (const Menu&) = delete;
private:
// Methods
void configureFileMenuItems();
void configureEditMenuItems();
void configureChoiceMenuItems();
void configureColorMenuItems();
void configureStyleMenuItems();
void configureBorderMenuItems();
void defaultCallback (const finalcut::FMenuList*);
void adjustSize() override;
// Event handler
void onClose (finalcut::FCloseEvent*) override;
// Callback method
void cb_message (const finalcut::FMenuItem*);
// Data members
finalcut::FString line{13, fc::BoxDrawingsHorizontal};
finalcut::FMenuBar Menubar{this};
finalcut::FMenu File{"&File", &Menubar};
finalcut::FMenu Edit{"&Edit", &Menubar};
finalcut::FMenu Choice{"&Choice", &Menubar};
finalcut::FMenuItem Window{"&Window", &Menubar};
finalcut::FMenuItem Help{"&Help", &Menubar};
finalcut::FMenuItem New{"&New", &File};
finalcut::FMenuItem Open{"&Open...", &File};
finalcut::FMenuItem Save{"&Save", &File};
finalcut::FMenuItem SaveAs{"&Save as...", &File};
finalcut::FMenuItem Close{"&Close", &File};
finalcut::FMenuItem Line1{&File};
finalcut::FMenuItem Print{"&Print", &File};
finalcut::FMenuItem Line2{&File};
finalcut::FMenuItem Quit{"&Quit", &File};
finalcut::FMenuItem Undo{fc::Fckey_z, "&Undo", &Edit};
finalcut::FMenuItem Redo{fc::Fckey_y, "&Redo", &Edit};
finalcut::FMenuItem Line3{&Edit};
finalcut::FMenuItem Cut{fc::Fckey_x, "Cu&t", &Edit};
finalcut::FMenuItem Copy{fc::Fckey_c, "&Copy", &Edit};
finalcut::FMenuItem Paste{fc::Fckey_v, "&Paste", &Edit};
finalcut::FMenuItem Line4{&Edit};
finalcut::FMenuItem Search{fc::Fckey_f, "&Search", &Edit};
finalcut::FMenuItem Next{fc::Fkey_f3, "Search &next", &Edit};
finalcut::FMenuItem Line5{&Edit};
finalcut::FMenuItem SelectAll{fc::Fckey_a, "Select &all", &Edit};
finalcut::FMenu Color{"&Color", &Choice};
finalcut::FMenu Style{"&Style", &Choice};
finalcut::FMenu Border{"&Border", &Choice};
finalcut::FRadioMenuItem Color1{"Red", &Color};
finalcut::FRadioMenuItem Color2{"Green", &Color};
finalcut::FRadioMenuItem Color3{"Yellow", &Color};
finalcut::FRadioMenuItem Color4{"Brue", &Color};
finalcut::FRadioMenuItem Color5{"Black", &Color};
finalcut::FCheckMenuItem Bold{"Bold", &Style};
finalcut::FCheckMenuItem Italic{"Italic", &Style};
finalcut::FMenu BColor{"&Color", &Border};
finalcut::FMenu BStyle{"&Style", &Border};
finalcut::FRadioMenuItem BColor1{"Red", &BColor};
finalcut::FRadioMenuItem BColor2{"Blue", &BColor};
finalcut::FRadioMenuItem BStyle1{line, &BStyle};
finalcut::FRadioMenuItem BStyle2{"-------------", &BStyle};
finalcut::FRadioMenuItem BStyle3{"- - - - - - -", &BStyle};
finalcut::FRadioMenuItem BStyle4{"- - - - -", &BStyle};
finalcut::FStatusBar Statusbar{this};
finalcut::FLabel Headline1{this};
finalcut::FLabel Headline2{this};
finalcut::FLabel Info{this};
};
//----------------------------------------------------------------------
Menu::Menu (finalcut::FWidget* parent)
: finalcut::FDialog{parent}
{
// Menu bar itms
File.setStatusbarMessage ("File management commands");
Edit.setStatusbarMessage ("Cut-and-paste editing commands");
Choice.setStatusbarMessage ("Choice menu");
Window.setDisable();
Help.setStatusbarMessage ("Show version and copyright information");
// Menu items
configureFileMenuItems();
configureEditMenuItems();
configureChoiceMenuItems();
// Add default menu item callback
defaultCallback (&Menubar);
// Statusbar at the bottom
Statusbar.setMessage("Status bar message");
// Headline labels
Headline1 << " Key ";
Headline1.ignorePadding();
Headline1.setGeometry(FPoint{3, 2}, FSize{5, 1});
Headline1.setEmphasis();
Headline2 << " Function ";
Headline2.ignorePadding();
Headline2.setGeometry(FPoint{19, 2}, FSize{10, 1});
Headline2.setEmphasis();
// Info label
Info << "<F10> Activate menu bar\n"
<< "<Ctrl>+<Space> Activate menu bar\n"
<< "<Menu> Activate menu bar\n"
<< "<Shift>+<Menu> Open dialog menu\n"
<< "<Meta>+<X> Exit";
Info.setGeometry(FPoint{2, 1}, FSize{36, 5});
}
//----------------------------------------------------------------------
void Menu::configureFileMenuItems()
{
// "File" menu items
New.addAccelerator (fc::Fckey_n); // Ctrl + N
New.setStatusbarMessage ("Create a new file");
Open.addAccelerator (fc::Fckey_o); // Ctrl + O
Open.setStatusbarMessage ("Locate and open a text file");
Save.addAccelerator (fc::Fckey_s); // Ctrl + S
Save.setStatusbarMessage ("Save the file");
SaveAs.setStatusbarMessage ("Save the current file under a different name");
Close.addAccelerator (fc::Fckey_w); // Ctrl + W
Close.setStatusbarMessage ("Close the current file");
Line1.setSeparator();
Print.addAccelerator (fc::Fckey_p); // Ctrl + P
Print.setStatusbarMessage ("Print the current file");
Line2.setSeparator();
Quit.addAccelerator (fc::Fmkey_x); // Meta/Alt + X
Quit.setStatusbarMessage ("Exit the program");
// Add quit menu item callback
Quit.addCallback
(
"clicked",
finalcut::getFApplication(),
&finalcut::FApplication::cb_exitApp,
this
);
}
//----------------------------------------------------------------------
void Menu::configureEditMenuItems()
{
// "Edit" menu items
Undo.setStatusbarMessage ("Undo the previous operation");
Redo.setDisable();
Line3.setSeparator();
Cut.setStatusbarMessage ( "Remove the input text "
"and put it in the clipboard" );
Copy.setStatusbarMessage ("Copy the input text into the clipboad");
Paste.setStatusbarMessage ("Insert text form clipboard");
Line4.setSeparator();
Search.setStatusbarMessage ("Search for text");
Next.setStatusbarMessage ("Repeat the last search command");
Line5.setSeparator();
SelectAll.setStatusbarMessage ("Select the whole text");
}
//----------------------------------------------------------------------
void Menu::configureChoiceMenuItems()
{
// "Choice" menu items
Color.setStatusbarMessage ("Choose a color");
Style.setStatusbarMessage ("Choose a Style");
Border.setStatusbarMessage ("Choose Border");
configureColorMenuItems();
configureStyleMenuItems();
configureBorderMenuItems();
}
//----------------------------------------------------------------------
void Menu::configureColorMenuItems()
{
// "Color" menu items
Color1.setStatusbarMessage ("Set text red");
Color2.setStatusbarMessage ("Set text green");
Color3.setStatusbarMessage ("Set text yellow");
Color4.setStatusbarMessage ("Set text brue");
Color5.setStatusbarMessage ("Set text black");
Color5.setChecked();
}
//----------------------------------------------------------------------
void Menu::configureStyleMenuItems()
{
// "Style" menu items
Bold.setStatusbarMessage ("Set text bold");
Italic.setStatusbarMessage ("Set text italic");
}
//----------------------------------------------------------------------
void Menu::configureBorderMenuItems()
{
// "Border" menu items
BColor.setStatusbarMessage ("Choose the border color");
BStyle.setStatusbarMessage ("Choose the border Style");
// "BColor" menu items
BColor1.setStatusbarMessage ("Set red border");
BColor2.setStatusbarMessage ("Set blue border");
// "BStyle" menu items
BStyle1.setChecked();
BStyle1.setStatusbarMessage ("Set border 1");
BStyle2.setStatusbarMessage ("Set border 2");
BStyle3.setStatusbarMessage ("Set border 3");
BStyle4.setStatusbarMessage ("Set border 4");
}
//----------------------------------------------------------------------
void Menu::defaultCallback (const finalcut::FMenuList* mb)
{
for (uInt i{1}; i <= mb->getCount(); i++)
{
auto item = mb->getItem(int(i));
if ( item
&& item->isEnabled()
&& item->acceptFocus()
&& item->isVisible()
&& ! item->isSeparator()
&& item->getText() != "&Quit" )
{
// Add the callback function
item->addCallback
(
"clicked",
this, &Menu::cb_message,
item
);
// Call sub-menu
if ( item->hasMenu() )
defaultCallback (item->getMenu());
}
}
}
//----------------------------------------------------------------------
void Menu::adjustSize()
{
const auto pw = int(getDesktopWidth());
const auto ph = int(getDesktopHeight());
setX (1 + (pw - int(getWidth())) / 2, false);
setY (1 + (ph - int(getHeight())) / 4, false);
finalcut::FDialog::adjustSize();
}
//----------------------------------------------------------------------
void Menu::onClose (finalcut::FCloseEvent* ev)
{
finalcut::FApplication::closeConfirmationDialog (this, ev);
}
//----------------------------------------------------------------------
void Menu::cb_message (const finalcut::FMenuItem* menuitem)
{
auto text = menuitem->getText();
text = text.replace('&', "");
finalcut::FMessageBox::info ( this
, "Info"
, "You have chosen \"" + text + "\"" );
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
int main (int argc, char* argv[])
{
// Create the application object
finalcut::FApplication app {argc, argv};
// Create main dialog object
Menu main_dlg {&app};
main_dlg.setText ("Menu example");
main_dlg.setSize ({40, 8});
main_dlg.setShadow();
// Set dialog main_dlg as main widget
finalcut::FWidget::setMainWidget (&main_dlg);
// Show and start the application
main_dlg.show();
return app.exec();
}