Add back button to ConversationTitlebar
Add a bool 'back_button_visible' and a signal 'back_pressed' to the ConversationTitlebar interface. Also add implementations to both ConversationTitlebarNoCsd and ConversationTitlebarCsd.
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@ -12,6 +12,9 @@ public interface ConversationTitlebar : Object {
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public abstract void insert_button(Widget button);
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public abstract Widget get_widget();
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public abstract bool back_button_visible{ get; set; }
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public signal void back_pressed();
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}
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public class ConversationTitlebarNoCsd : ConversationTitlebar, Object {
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@ -31,14 +34,27 @@ public class ConversationTitlebarNoCsd : ConversationTitlebar, Object {
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}
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}
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public bool back_button_visible {
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get { return back_revealer.reveal_child; }
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set { back_revealer.reveal_child = value; }
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}
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private Box widgets_box = new Box(Orientation.HORIZONTAL, 7) { margin_start=15, valign=Align.END };
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private Label title_label = new Label("") { ellipsize=EllipsizeMode.END };
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private Label subtitle_label = new Label("") { use_markup=true, ellipsize=EllipsizeMode.END, visible=false };
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private Revealer back_revealer;
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construct {
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Box content_box = new Box(Orientation.HORIZONTAL, 0) { margin_start=15, margin_end=10, hexpand=true };
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main.append(content_box);
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back_revealer = new Revealer() { visible = true, transition_type = RevealerTransitionType.SLIDE_RIGHT, transition_duration = 200, can_focus = false, reveal_child = false };
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Button back_button = new Button.from_icon_name("go-previous-symbolic") { visible = true, valign = Align.CENTER, use_underline = true };
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back_button.get_style_context().add_class("image-button");
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back_button.clicked.connect(() => back_pressed());
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back_revealer.set_child(back_button);
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content_box.append(back_revealer);
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Box titles_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER, hexpand=true };
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content_box.append(titles_box);
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@ -67,10 +83,15 @@ public class ConversationTitlebarCsd : ConversationTitlebar, Object {
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public new string? title { get { return title_label.label; } set { title_label.label = value; } }
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public new string? subtitle { get { return subtitle_label.label; } set { subtitle_label.label = value; subtitle_label.visible = (value != null); } }
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public bool back_button_visible {
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get { return back_revealer.reveal_child; }
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set { back_revealer.reveal_child = value; }
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}
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public Adw.HeaderBar header_bar = new Adw.HeaderBar();
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private Label title_label = new Label("") { ellipsize=EllipsizeMode.END };
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private Label subtitle_label = new Label("") { ellipsize=EllipsizeMode.END, visible=false };
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private Revealer back_revealer;
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public ConversationTitlebarCsd() {
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Box titles_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER };
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@ -82,6 +103,13 @@ public class ConversationTitlebarCsd : ConversationTitlebar, Object {
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subtitle_label.add_css_class("dim-label");
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titles_box.append(subtitle_label);
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back_revealer = new Revealer() { visible = true, transition_type = RevealerTransitionType.SLIDE_RIGHT, transition_duration = 200, can_focus = false, reveal_child = false };
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Button back_button = new Button.from_icon_name("go-previous-symbolic") { visible = true, valign = Align.CENTER, use_underline = true };
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back_button.get_style_context().add_class("image-button");
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back_button.clicked.connect(() => back_pressed());
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back_revealer.set_child(back_button);
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header_bar.pack_start(back_revealer);
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header_bar.set_title_widget(titles_box);
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}
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