bsnes/hiro/gtk/widget/radio-label.cpp

83 lines
2.3 KiB
C++

#if defined(Hiro_RadioLabel)
namespace hiro {
static auto RadioLabel_activate(GtkToggleButton*, pRadioLabel* p) -> void {
if(p->groupLocked()) return;
bool wasChecked = p->state().checked;
p->self().setChecked();
if(!wasChecked) p->self().doActivate();
}
auto pRadioLabel::construct() -> void {
gtkWidget = gtk_radio_button_new_with_label(nullptr, "");
gtkToggleButton = GTK_TOGGLE_BUTTON(gtkWidget);
gtkRadioButton = GTK_RADIO_BUTTON(gtkWidget);
setText(state().text);
g_signal_connect(G_OBJECT(gtkWidget), "toggled", G_CALLBACK(RadioLabel_activate), (gpointer)this);
pWidget::construct();
}
auto pRadioLabel::destruct() -> void {
gtk_widget_destroy(gtkWidget);
}
auto pRadioLabel::minimumSize() const -> Size {
Size size = pFont::size(self().font(true), state().text);
return {size.width() + 28, size.height() + 4};
}
auto pRadioLabel::setChecked() -> void {
lock();
gtk_toggle_button_set_active(gtkToggleButton, true);
unlock();
}
auto pRadioLabel::setGroup(sGroup group) -> void {
maybe<GtkRadioButton*> gtkRadioButton;
for(auto& weak : group->state.objects) {
if(auto object = weak.acquire()) {
if(auto radioLabel = dynamic_cast<mRadioLabel*>(object.data())) {
if(auto self = radioLabel->self()) {
self->lock();
gtk_radio_button_set_group(self->gtkRadioButton, nullptr);
if(!gtkRadioButton) {
gtkRadioButton = self->gtkRadioButton;
gtk_toggle_button_set_active(self->gtkToggleButton, radioLabel->state.checked = true);
} else {
gtk_radio_button_set_group(self->gtkRadioButton, gtk_radio_button_get_group(*gtkRadioButton));
gtk_toggle_button_set_active(self->gtkToggleButton, radioLabel->state.checked = false);
}
self->unlock();
}
}
}
}
}
auto pRadioLabel::setText(const string& text) -> void {
gtk_button_set_label(GTK_BUTTON(gtkWidget), text);
setFont(self().font(true)); //gtk_button_set_label() recreates label, which destroys currently assigned font
}
auto pRadioLabel::groupLocked() const -> bool {
if(auto group = state().group) {
for(auto& weak : group->state.objects) {
if(auto object = weak.acquire()) {
if(auto self = object->self()) {
if(self->locked()) return true;
}
}
}
return false;
}
return locked();
}
}
#endif