diff --git a/examples/library/ui_emit_click.ludic b/examples/library/ui_emit_click.ludic new file mode 100644 index 00000000..8454d736 --- /dev/null +++ b/examples/library/ui_emit_click.ludic @@ -0,0 +1,40 @@ +# ui_emit_click.ludic - a component whose button says `emit click` is answered by its user's +# on-click, by the mouse or a press: on-click is kept as on-press, and the emit once looked for +# "click" and found nothing (the pack's items and the wardrobe's picks did not respond) +import "ludic.ui" +import "ui_emit_click_parts/Cell.ludic" +import "ui_emit_click_parts/Pick.ludic" +program UiEmitClick { + numbers float + function frame(ui_st: mut UiState, x: float, y: float, down: bool) -> UiNode { + let i = new UiInput + i.x = x + i.y = y + i.down = down + ui_input(ui_st, i) + ui_show(ui_st, "Pick", null, 0.0, 0.0, 400.0, 400.0) + let root: UiNode = ui_nodes(ui_st, "Pick", null) + ui_place(ui_st, root, 0.0, 0.0, 400.0, 400.0) + return root + } + function first_text(n: UiNode) -> string { + if n.text != "" { return n.text } + for i in 0 .. len(n.children) { let t = first_text(n.children[i]); if t != "" { return t } } + return "" + } + entry (ui_st: mut UiState) { + var root = frame(ui_st, -1.0, -1.0, false) + root = frame(ui_st, -1.0, -1.0, false) + let b = root.children[0].children[2].children[0] + let x = b.x + b.cw / 2.0 + let y = b.y + b.ch / 2.0 + root = frame(ui_st, x, y, false) + root = frame(ui_st, x, y, true) + root = frame(ui_st, x, y, false) + root = frame(ui_st, x, y, false) + let clicked = first_text(root) + ui_press(ui_st, root.children[0].children[1].children[0]) + root = frame(ui_st, x, y, false) + print(`{clicked} | pressed: {first_text(root)}`) + } +} diff --git a/examples/library/ui_emit_click_parts/Cell.lss b/examples/library/ui_emit_click_parts/Cell.lss new file mode 100644 index 00000000..b8c03a5a --- /dev/null +++ b/examples/library/ui_emit_click_parts/Cell.lss @@ -0,0 +1 @@ +.cell { width: 100px; height: 40px } diff --git a/examples/library/ui_emit_click_parts/Cell.ludic b/examples/library/ui_emit_click_parts/Cell.ludic new file mode 100644 index 00000000..0ed005d7 --- /dev/null +++ b/examples/library/ui_emit_click_parts/Cell.ludic @@ -0,0 +1,3 @@ +component Cell { + prop caption: string = "" +} diff --git a/examples/library/ui_emit_click_parts/Cell.xml b/examples/library/ui_emit_click_parts/Cell.xml new file mode 100644 index 00000000..a88076ab --- /dev/null +++ b/examples/library/ui_emit_click_parts/Cell.xml @@ -0,0 +1,3 @@ +
+ +
diff --git a/examples/library/ui_emit_click_parts/Pick.lss b/examples/library/ui_emit_click_parts/Pick.lss new file mode 100644 index 00000000..1de0ef03 --- /dev/null +++ b/examples/library/ui_emit_click_parts/Pick.lss @@ -0,0 +1 @@ +div { width: 400px } diff --git a/examples/library/ui_emit_click_parts/Pick.ludic b/examples/library/ui_emit_click_parts/Pick.ludic new file mode 100644 index 00000000..917bb014 --- /dev/null +++ b/examples/library/ui_emit_click_parts/Pick.ludic @@ -0,0 +1,4 @@ +component Pick { + state got: int = -1 + on pick(i: int) { got = i } +} diff --git a/examples/library/ui_emit_click_parts/Pick.xml b/examples/library/ui_emit_click_parts/Pick.xml new file mode 100644 index 00000000..aeefa2b6 --- /dev/null +++ b/examples/library/ui_emit_click_parts/Pick.xml @@ -0,0 +1,5 @@ +
+

got {got}

+ + +
diff --git a/examples/library/ui_select_arrows.ludic b/examples/library/ui_select_arrows.ludic new file mode 100644 index 00000000..20352a2a --- /dev/null +++ b/examples/library/ui_select_arrows.ludic @@ -0,0 +1,51 @@ +# ui_select_arrows.ludic - a select is a cycler: a press let go on its < steps back and on its > +# (or anywhere else on it, or Enter) forward. The < once stepped forward too. +import "ludic.ui" +program UiSelectArrows { + numbers float + state SelState { v: int = 1 } + view V (sel_st: mut SelState) { + v = sel_st.v + on set(x: int) { sel_st.v = x } + } + const PAGE: string = "" + function frame(ui_st: mut UiState, x: float, y: float, down: bool) -> UiNode { + let i = new UiInput + i.x = x + i.y = y + i.down = down + ui_input(ui_st, i) + ui_show(ui_st, "s", view_v(), 0.0, 0.0, 400.0, 400.0) + let root: UiNode = ui_nodes(ui_st, "s", view_v()) + ui_place(ui_st, root, 0.0, 0.0, 400.0, 400.0) + return root + } + function part(n: UiNode, cls: string) -> UiNode { + for i in 0 .. len(n.children) { + if List.contains(n.children[i].classes, cls) { return n.children[i] } + let f = part(n.children[i], cls) + if f != null { return f } + } + return null + } + function click(ui_st: mut UiState, cls: string) -> void { + let root = frame(ui_st, -1.0, -1.0, false) + let p = part(root, cls) + let x = p.x + p.cw / 2.0 + let y = p.y + p.ch / 2.0 + frame(ui_st, x, y, false) + frame(ui_st, x, y, true) + frame(ui_st, x, y, false) + frame(ui_st, x, y, false) + } + entry (ui_st: mut UiState, sel_st: SelState) { + ui_backend(ui_st, new UiBackend) + ui_load_text(ui_st, PAGE, "s.xml") + frame(ui_st, -1.0, -1.0, false) + click(ui_st, "ui-prev") + let a = sel_st.v + click(ui_st, "ui-next") + click(ui_st, "ui-next") + print(`prev {a} next next {sel_st.v}`) + } +} diff --git a/packages/ludic.ui/act.ludic b/packages/ludic.ui/act.ludic index 165dc365..62daa47f 100644 --- a/packages/ludic.ui/act.ludic +++ b/packages/ludic.ui/act.ludic @@ -26,7 +26,7 @@ function act_parse(src: string, err: []string) -> UiAct { push(a.exprs, px_cond(r)) } else if act_keyword(r, "emit") { push(a.kinds, A_EMIT) - push(a.names, rd_name(r)) + push(a.names, tpl_event(rd_name(r))) # `emit click` reaches on-click, which is kept as press push(a.exprs, null) } else { push(a.kinds, A_CALL) diff --git a/packages/ludic.ui/controls_parts.ludic b/packages/ludic.ui/controls_parts.ludic index 291fb27a..11c6d208 100644 --- a/packages/ludic.ui/controls_parts.ludic +++ b/packages/ludic.ui/controls_parts.ludic @@ -65,3 +65,20 @@ function ct_is_int(s: string, i: int) -> bool { } return false } + +# a press let go over a control: on a select's < it steps back, anywhere else on it forward (the < +# stepped forward too, so a cycler's left arrow did the right one's job) +function ct_activate_at(ui_st: mut UiState, n: UiNode, x: float, y: float) -> void { + if ct_type(n) == "select" and ct_over_part(n, "ui-prev", x, y) { + ct_step(ui_st, n, -1) + return + } + ct_activate(ui_st, n) +} +function ct_over_part(n: UiNode, cls: string, x: float, y: float) -> bool { + for i in 0 .. len(n.children) { + let c = n.children[i] + if sel_has(c.classes, cls) and x >= c.x and y >= c.y and x < c.x + c.cw and y < c.y + c.ch { return true } + } + return false +} diff --git a/packages/ludic.ui/pointer.ludic b/packages/ludic.ui/pointer.ludic index eda02f83..e19b2ca6 100644 --- a/packages/ludic.ui/pointer.ludic +++ b/packages/ludic.ui/pointer.ludic @@ -22,7 +22,7 @@ function fr_pointer(ui_st: mut UiState, root: UiNode) -> void { if not i.down and ui_st.in_was_down { let was = fr_node(root, ui_st.fr_press_key) if was != null { ui_fire(ui_st, was, "up", ui_st.fc_none) } - if hit != null and hit.key == ui_st.fr_press_key and hit.enabled { ct_activate(ui_st, hit) } + if hit != null and hit.key == ui_st.fr_press_key and hit.enabled { ct_activate_at(ui_st, hit, i.x, i.y) } ui_st.fr_press_key = "" } } diff --git a/tools/ludic-cli/test.ludic b/tools/ludic-cli/test.ludic index a591eaac..657e7afa 100644 --- a/tools/ludic-cli/test.ludic +++ b/tools/ludic-cli/test.ludic @@ -1244,6 +1244,8 @@ function cmd_dev_test() -> int { controller_case("library/ui_focus_tip", "", "b 14,38 | Drop it 27,45 | Give it away 27,77 | b 14,38", "ui_focus_tip.ludic (L11: a title shows for the keyboard's focus after half a second, and goes back to the pointer when it moves)") controller_case("library/ui_theme", "", "accent #ff0000 gap 7", "ui_theme.ludic (L11: a component with no stylesheet reads the theme's :root variables from the screen around it)") controller_case("library/ui_box", "", "scale 1.5 | panel 35,75 150x90 | missing 1", "ui_box.ludic (L11: ui_scale and ui_box, the interface's scale and an element's laid-out box, read from outside)") + controller_case("library/ui_emit_click", "", "got 2 | pressed: got 1", "ui_emit_click.ludic (L11: a component's `emit click` reaches its user's on-click, by the mouse and by a press)") + controller_case("library/ui_select_arrows", "", "prev 0 next next 2", "ui_select_arrows.ludic (L11: a select's < steps back and its > forward)") controller_case("library/ui_submit", "", "[hi] chat '' | [hi][yo][Ada] chat '' name 'Ada'", "ui_submit.ludic (L11: on-submit on a text field by Enter or A, clear-on-submit, the focus kept)") controller_case("library/ui_zoom", "", "plain 100 pad 10 text 16 h 20 | half 50 pad 5 text 8 h 10 | half of twice 100 | fit 50 em 16", "ui_zoom.ludic (L11: zoom scales a subtree's lengths, text and layout, multiplies, and takes min() and a length over a length)") controller_case("library/ui_hold", "", "31 frames 500 ms t 500 | 121 frames 500 ms t 500 | pad 16 frames 250 ms t 250 | dududu", "ui_hold.ludic (L11: on-hold every frame a button is held, by the pointer or A, with dt and t on the clock at any rate)")