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// A wheelbarrow on a transparent background
#include <gdkmm.h>
#include <gtkmm/image.h>
#include <gtkmm/application.h>
#include <gtkmm/window.h>
#include <gtkmm/cssprovider.h>
#include <gtkmm/stylecontext.h>
#include <gtkmm/gestureclick.h>
#include <gtkmm/version.h>
#include <iostream>
#define HAS_STYLE_PROVIDER_ADD_PROVIDER_FOR_DISPLAY GTKMM_CHECK_VERSION(4,9,1)
namespace
{
const char *const wheelbarrow_xpm[] =
{
"48 48 64 1",
" c None",
". c #DF7DCF3CC71B",
"X c #965875D669A6",
"o c #71C671C671C6",
"O c #A699A289A699",
"+ c #965892489658",
"@ c #8E38410330C2",
"# c #D75C7DF769A6",
"$ c #F7DECF3CC71B",
"% c #96588A288E38",
"& c #A69992489E79",
"* c #8E3886178E38",
"= c #104008200820",
"- c #596510401040",
"; c #C71B30C230C2",
": c #C71B9A699658",
"> c #618561856185",
", c #20811C712081",
"< c #104000000000",
"1 c #861720812081",
"2 c #DF7D4D344103",
"3 c #79E769A671C6",
"4 c #861782078617",
"5 c #41033CF34103",
"6 c #000000000000",
"7 c #49241C711040",
"8 c #492445144924",
"9 c #082008200820",
"0 c #69A618611861",
"q c #B6DA71C65144",
"w c #410330C238E3",
"e c #CF3CBAEAB6DA",
"r c #71C6451430C2",
"t c #EFBEDB6CD75C",
"y c #28A208200820",
"u c #186110401040",
"i c #596528A21861",
"p c #71C661855965",
"a c #A69996589658",
"s c #30C228A230C2",
"d c #BEFBA289AEBA",
"f c #596545145144",
"g c #30C230C230C2",
"h c #8E3882078617",
"j c #208118612081",
"k c #38E30C300820",
"l c #30C2208128A2",
"z c #38E328A238E3",
"x c #514438E34924",
"c c #618555555965",
"v c #30C2208130C2",
"b c #38E328A230C2",
"n c #28A228A228A2",
"m c #41032CB228A2",
"M c #104010401040",
"N c #492438E34103",
"B c #28A2208128A2",
"V c #A699596538E3",
"C c #30C21C711040",
"Z c #30C218611040",
"A c #965865955965",
"S c #618534D32081",
"D c #38E31C711040",
"F c #082000000820",
" ",
" .XoO ",
" +@#$%o& ",
" *=-;#::o+ ",
" >,<12#:34 ",
" 45671#:X3 ",
" +89<02qwo ",
"e* >,67;ro ",
"ty> 459@>+&& ",
"$2u+ ><ipas8* ",
"%$;=* *3:.Xa.dfg> ",
"Oh$;ya *3d.a8j,Xe.d3g8+ ",
" Oh$;ka *3d$a8lz,,xxc:.e3g54 ",
" Oh$;kO *pd$%svbzz,sxxxxfX..&wn> ",
" Oh$@mO *3dthwlsslszjzxxxxxxx3:td8M4 ",
" Oh$@g& *3d$XNlvvvlllm,mNwxxxxxxxfa.:,B* ",
" Oh$@,Od.czlllllzlmmqV@V#V@fxxxxxxxf:%j5& ",
" Oh$1hd5lllslllCCZrV#r#:#2AxxxxxxxxxcdwM* ",
" OXq6c.%8vvvllZZiqqApA:mq:Xxcpcxxxxxfdc9* ",
" 2r<6gde3bllZZrVi7S@SV77A::qApxxxxxxfdcM ",
" :,q-6MN.dfmZZrrSS:#riirDSAX@Af5xxxxxfevo",
" +A26jguXtAZZZC7iDiCCrVVii7Cmmmxxxxxx%3g",
" *#16jszN..3DZZZZrCVSA2rZrV7Dmmwxxxx&en",
" p2yFvzssXe:fCZZCiiD7iiZDiDSSZwwxx8e*>",
" OA1<jzxwwc:$d%NDZZZZCCCZCCZZCmxxfd.B ",
" 3206Bwxxszx%et.eaAp77m77mmmf3&eeeg* ",
" @26MvzxNzvlbwfpdettttttttttt.c,n& ",
" *;16=lsNwwNwgsvslbwwvccc3pcfu<o ",
" p;<69BvwwsszslllbBlllllllu<5+ ",
" OS0y6FBlvvvzvzss,u=Blllj=54 ",
" c1-699Blvlllllu7k96MMMg4 ",
" *10y8n6FjvllllB<166668 ",
" S-kg+>666<M<996-y6n<8* ",
" p71=4 m69996kD8Z-66698&& ",
" &i0ycm6n4 ogk17,0<6666g ",
" N-k-<> >=01-kuu666> ",
" ,6ky& &46-10ul,66, ",
" Ou0<> o66y<ulw<66& ",
" *kk5 >66By7=xu664 ",
" <<M4 466lj<Mxu66o ",
" *>> +66uv,zN666* ",
" 566,xxj669 ",
" 4666FF666> ",
" >966666M ",
" oM6668+ ",
" *4 ",
" ",
" "
};
const char *const transparent_background_css =
"#wheelbarrow-window { background-color: rgba(0,0,0,0.0); }";
class Wheelbarrow : public Gtk::Window
{
public:
Wheelbarrow();
~Wheelbarrow() override;
protected:
void on_button_pressed(int n_press, double x, double y);
static void on_parsing_error(const Glib::RefPtr<const Gtk::CssSection>& section,
const Glib::Error& error);
Glib::RefPtr<Gtk::GestureClick> m_gesture_click;
};
Wheelbarrow::Wheelbarrow()
{
set_resizable(false);
set_decorated(false);
set_name("wheelbarrow-window"); // CSS name, which must be used in the CSS file.
// Load extra CSS data.
auto css_provider = Gtk::CssProvider::create();
#if HAS_STYLE_PROVIDER_ADD_PROVIDER_FOR_DISPLAY
Gtk::StyleProvider::add_provider_for_display(get_display(), css_provider,
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
#else
Gtk::StyleContext::add_provider_for_display(get_display(), css_provider,
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
#endif
css_provider->signal_parsing_error().connect(
[](const auto& section, const auto& error)
{ on_parsing_error(section, error); }
);
css_provider->load_from_data(transparent_background_css);
const auto pixbuf = Gdk::Pixbuf::create_from_xpm_data(wheelbarrow_xpm);
Gtk::Image *const image = Gtk::make_managed<Gtk::Image>(pixbuf);
image->set_size_request(48, 48);
set_child(*image);
m_gesture_click = Gtk::GestureClick::create();
m_gesture_click->set_button(0); // All mouse buttons
m_gesture_click->signal_pressed().connect(sigc::mem_fun(*this, &Wheelbarrow::on_button_pressed));
add_controller(m_gesture_click);
}
Wheelbarrow::~Wheelbarrow()
{}
void Wheelbarrow::on_button_pressed(int /* n_press */, double x, double y)
{
const auto current_button = m_gesture_click->get_current_button();
switch (current_button)
{
case 1:
{
auto toplevel = std::dynamic_pointer_cast<Gdk::ToplevelSurfaceImpl>(get_surface());
if (toplevel)
toplevel->begin_move(m_gesture_click->get_current_event_device(),
current_button, x, y, m_gesture_click->get_current_event_time());
break;
}
case 3: set_visible(false); break;
}
}
void Wheelbarrow::on_parsing_error(const Glib::RefPtr<const Gtk::CssSection>& section,
const Glib::Error& error)
{
std::cerr << "on_parsing_error(): " << error.what() << std::endl;
if (section)
{
const auto file = section->get_file();
if (file)
{
std::cerr << " URI = " << file->get_uri() << std::endl;
}
auto start_location = section->get_start_location();
auto end_location = section->get_end_location();
std::cerr << " start_line = " << start_location.get_lines()+1
<< ", end_line = " << end_location.get_lines()+1 << std::endl;
std::cerr << " start_position = " << start_location.get_line_chars()
<< ", end_position = " << end_location.get_line_chars() << std::endl;
}
}
} // anonymous namespace
int main(int argc, char** argv)
{
auto app = Gtk::Application::create("org.gtkmm.example");
return app->make_window_and_run<Wheelbarrow>(argc, argv);
}
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