mirror of https://github.com/bsnes-emu/bsnes.git
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#if defined(Hiro_HorizontalScrollBar)
|
|
|
|
namespace hiro {
|
|
|
|
static auto HorizontalScrollBar_change(GtkRange* gtkRange, pHorizontalScrollBar* p) -> void {
|
|
auto position = (unsigned)gtk_range_get_value(gtkRange);
|
|
if(p->state().position == position) return;
|
|
p->state().position = position;
|
|
if(!p->locked()) p->self().doChange();
|
|
}
|
|
|
|
auto pHorizontalScrollBar::construct() -> void {
|
|
#if HIRO_GTK==2
|
|
gtkWidget = gtk_hscrollbar_new(nullptr);
|
|
#elif HIRO_GTK==3
|
|
gtkWidget = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
|
|
#endif
|
|
|
|
setLength(state().length);
|
|
setPosition(state().position);
|
|
|
|
g_signal_connect(G_OBJECT(gtkWidget), "value-changed", G_CALLBACK(HorizontalScrollBar_change), (gpointer)this);
|
|
|
|
pWidget::construct();
|
|
}
|
|
|
|
auto pHorizontalScrollBar::destruct() -> void {
|
|
gtk_widget_destroy(gtkWidget);
|
|
}
|
|
|
|
auto pHorizontalScrollBar::minimumSize() const -> Size {
|
|
return {0, 20};
|
|
}
|
|
|
|
auto pHorizontalScrollBar::setLength(unsigned length) -> void {
|
|
lock();
|
|
length += length == 0;
|
|
gtk_range_set_range(GTK_RANGE(gtkWidget), 0, max(1u, length - 1));
|
|
gtk_range_set_increments(GTK_RANGE(gtkWidget), 1, length >> 3);
|
|
unlock();
|
|
}
|
|
|
|
auto pHorizontalScrollBar::setPosition(unsigned position) -> void {
|
|
gtk_range_set_value(GTK_RANGE(gtkWidget), position);
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|