mirror of https://github.com/bsnes-emu/bsnes.git
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
#if defined(Hiro_Label)
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namespace hiro {
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static auto Label_draw(GtkWidget* widget, cairo_t* context, pLabel* p) -> int {
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auto color = p->state().backgroundColor;
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if(auto window = p->self().parentWindow(true)) {
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if(!color) color = window->backgroundColor();
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}
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if(color) {
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double red = (double)color.red() / 255.0;
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double green = (double)color.green() / 255.0;
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double blue = (double)color.blue() / 255.0;
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double alpha = (double)color.alpha() / 255.0;
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if(gdk_screen_is_composited(gdk_screen_get_default())
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&& gdk_screen_get_rgba_visual(gdk_screen_get_default())
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) {
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cairo_set_source_rgba(context, red, green, blue, alpha);
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} else {
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cairo_set_source_rgb(context, red, green, blue);
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}
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cairo_set_operator(context, CAIRO_OPERATOR_SOURCE);
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cairo_paint(context);
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} else {
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#if HIRO_GTK==3
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auto style = gtk_widget_get_style_context(widget);
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if(auto tabFrame = p->self().parentTabFrame(true)) {
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if(auto self = tabFrame->self()) style = gtk_widget_get_style_context(self->gtkWidget);
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}
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GtkAllocation allocation;
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gtk_widget_get_allocation(widget, &allocation);
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gtk_render_background(style, context, 0, 0, allocation.width, allocation.height);
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#endif
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}
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return false;
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}
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static auto Label_expose(GtkWidget* widget, GdkEvent* event, pLabel* p) -> int {
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cairo_t* context = gdk_cairo_create(gtk_widget_get_window(widget));
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Label_draw(widget, context, p);
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cairo_destroy(context);
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return false;
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}
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auto pLabel::construct() -> void {
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gtkWidget = gtk_event_box_new();
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subWidget = gtk_label_new("");
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gtk_widget_show(subWidget);
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gtk_container_add(GTK_CONTAINER(gtkWidget), subWidget);
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setAlignment(state().alignment);
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setBackgroundColor(state().backgroundColor);
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setForegroundColor(state().foregroundColor);
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setText(state().text);
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#if HIRO_GTK==2
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g_signal_connect(G_OBJECT(subWidget), "expose-event", G_CALLBACK(Label_expose), (gpointer)this);
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#elif HIRO_GTK==3
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g_signal_connect(G_OBJECT(subWidget), "draw", G_CALLBACK(Label_draw), (gpointer)this);
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#endif
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pWidget::construct();
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}
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auto pLabel::destruct() -> void {
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gtk_widget_destroy(subWidget);
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gtk_widget_destroy(gtkWidget);
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}
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auto pLabel::minimumSize() const -> Size {
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auto size = pFont::size(self().font(true), state().text);
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return {size.width(), size.height()};
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}
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auto pLabel::setAlignment(Alignment alignment) -> void {
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if(!alignment) alignment = {0.0, 0.5};
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gtk_misc_set_alignment(GTK_MISC(subWidget), alignment.horizontal(), alignment.vertical());
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auto justify = GTK_JUSTIFY_CENTER;
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if(alignment.horizontal() < 0.333) justify = GTK_JUSTIFY_LEFT;
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if(alignment.horizontal() > 0.666) justify = GTK_JUSTIFY_RIGHT;
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gtk_label_set_justify(GTK_LABEL(subWidget), justify);
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}
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auto pLabel::setBackgroundColor(Color color) -> void {
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//GTK3 will paint the wrong background color when a label is inside of a TabFrame
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//this is caused by the GtkEventBox wrapper that is required to paint custom backgrounds
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//handle background painting via "draw" or "expose-event" signals instead
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}
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auto pLabel::setForegroundColor(Color color) -> void {
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auto gdkColor = CreateColor(color);
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gtk_widget_modify_fg(subWidget, GTK_STATE_NORMAL, color ? &gdkColor : nullptr);
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}
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auto pLabel::setText(const string& text) -> void {
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gtk_label_set_text(GTK_LABEL(subWidget), text);
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}
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auto pLabel::setVisible(bool visible) -> void {
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setBackgroundColor(state().backgroundColor);
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return pWidget::setVisible(visible);
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}
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}
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#endif
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