mirror of https://github.com/bsnes-emu/bsnes.git
43 lines
1.2 KiB
C++
Executable File
43 lines
1.2 KiB
C++
Executable File
static void VerticalScrollBar_change(VerticalScrollBar *self) {
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if(self->state.position == self->position()) return;
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self->state.position = self->position();
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if(self->p.locked == false && self->onChange) self->onChange();
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}
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Geometry pVerticalScrollBar::minimumGeometry() {
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return { 0, 0, 20, 0 };
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}
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unsigned pVerticalScrollBar::position() {
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return (unsigned)gtk_range_get_value(GTK_RANGE(gtkWidget));
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}
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void pVerticalScrollBar::setLength(unsigned length) {
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locked = true;
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length += length == 0;
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gtk_range_set_range(GTK_RANGE(gtkWidget), 0, max(1u, length - 1));
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gtk_range_set_increments(GTK_RANGE(gtkWidget), 1, length >> 3);
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locked = false;
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}
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void pVerticalScrollBar::setPosition(unsigned position) {
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gtk_range_set_value(GTK_RANGE(gtkWidget), position);
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}
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void pVerticalScrollBar::constructor() {
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gtkWidget = gtk_vscrollbar_new(0);
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g_signal_connect_swapped(G_OBJECT(gtkWidget), "value-changed", G_CALLBACK(VerticalScrollBar_change), (gpointer)&verticalScrollBar);
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setLength(verticalScrollBar.state.length);
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setPosition(verticalScrollBar.state.position);
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}
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void pVerticalScrollBar::destructor() {
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gtk_widget_destroy(gtkWidget);
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}
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void pVerticalScrollBar::orphan() {
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destructor();
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constructor();
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}
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