slint/internal/compiler/widgets/native/std-widgets.slint
2023-03-30 19:16:43 +02:00

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// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial
// cSpell: ignore combobox spinbox
import { LineEditInner, TextEdit, AboutSlint } from "../common/common.slint";
import { StyleMetrics, ScrollView } from "std-widgets-impl.slint";
export { StyleMetrics, ScrollView, TextEdit, AboutSlint }
export component Button {
in property<string> text <=> native.text;
out property<bool> has-focus <=> native.has-focus;
out property<bool> pressed <=> native.pressed;
in property<bool> enabled <=> native.enabled;
in property<bool> checkable <=> native.checkable;
in-out property<bool> checked <=> native.checked;
in property<image> icon <=> native.icon;
callback clicked <=> native.clicked;
accessible-checkable: root.checkable;
accessible-checked: root.checked;
accessible-label: root.text;
accessible-role: button;
HorizontalLayout {
native := NativeButton {
checkable: false;
enabled: true;
}
}
}
export component StandardButton {
in property<StandardButtonKind> kind <=> native.standard-button-kind;
out property<bool> has-focus <=> native.has-focus;
out property<bool> pressed <=> native.pressed;
in property<bool> enabled <=> native.enabled;
callback clicked <=> native.clicked;
accessible-label: native.text;
accessible-role: button;
HorizontalLayout {
native := NativeButton {
is-standard-button: true;
checkable: false;
}
}
}
export component CheckBox inherits NativeCheckBox {
accessible-checkable: true;
accessible-checked <=> root.checked;
accessible-label <=> root.text;
accessible-role: checkbox;
}
export component SpinBox inherits NativeSpinBox {
accessible-role: spinbox;
accessible-value: root.value;
accessible-value-minimum: root.minimum;
accessible-value-maximum: root.maximum;
accessible-value-step: (root.maximum - root.minimum) / 100;
}
export component Slider inherits NativeSlider {
accessible-role: slider;
accessible-value: root.value;
accessible-value-minimum: root.minimum;
accessible-value-maximum: root.maximum;
accessible-value-step: (root.maximum - root.minimum) / 100;
out property <bool> has-focus: fs.has-focus;
fs := FocusScope {
x:0;
width: 0px;
key-pressed(event) => {
if (root.enabled && event.text == Key.RightArrow) {
root.value = Math.min(root.value + 1, root.maximum);
accept
} else if (root.enabled && event.text == Key.LeftArrow) {
root.value = Math.max(root.value - 1, root.minimum);
accept
} else {
reject
}
}
}
}
export component GroupBox {
in property title <=> native.title;
in property enabled <=> native.enabled;
native := NativeGroupBox {
GridLayout {
padding-left: native.native-padding-left;
padding-right: native.native-padding-right;
padding-top: native.native-padding-top;
padding-bottom: native.native-padding-bottom;
@children
}
}
}
export component LineEdit {
in property <length> font-size <=> inner.font-size;
in-out property <string> text <=> inner.text;
in property <string> placeholder-text <=> inner.placeholder-text;
in property input-type <=> inner.input-type;
in property horizontal-alignment <=> inner.horizontal-alignment;
in property read-only <=> inner.read-only;
out property<bool> has-focus <=> inner.has-focus;
in property<bool> enabled: true;
forward-focus: inner;
callback accepted <=> inner.accepted;
callback edited <=> inner.edited;
horizontal-stretch: 1;
vertical-stretch: 0;
native := NativeLineEdit {
has-focus <=> root.has-focus;
enabled: root.enabled;
width: 100%;
height: 100%;
}
HorizontalLayout {
padding-left: native.native-padding-left;
padding-right: native.native-padding-right;
padding-top: native.native-padding-top;
padding-bottom: native.native-padding-bottom;
inner := LineEditInner {
placeholder-color: self.enabled ? StyleMetrics.placeholder-color : StyleMetrics.placeholder-color-disabled;
enabled: root.enabled;
}
}
}
export component ListView inherits ScrollView {
@children
}
component StandardListViewBase inherits ListView {
private property <length> item-height: self.viewport-height / self.model.length;
private property <length> current-item-y: self.viewport-y + current-item * item-height;
in property<[StandardListViewItem]> model;
in-out property<int> current-item: -1;
for item[i] in root.model : NativeStandardListViewItem {
item: item;
index: i;
is-selected: root.current-item == i;
has-hover: ta.has-hover;
ta := TouchArea {
clicked => {
set-current-item(i);
}
}
}
public function set-current-item(index: int) {
if(index < 0 || index >= model.length) {
return;
}
root.current-item = index;
if(current-item-y < 0) {
self.viewport-y += 0 - current-item-y;
}
if(current-item-y + item-height > self.visible-height) {
self.viewport-y -= current-item-y + item-height - self.visible-height;
}
}
}
export component StandardListView inherits StandardListViewBase {
FocusScope {
key-pressed(event) => {
if (event.text == Key.UpArrow) {
root.set-current-item(root.current-item - 1);
return accept;
} else if (event.text == Key.DownArrow) {
root.set-current-item(root.current-item + 1);
return accept;
}
reject
}
}
}
export component ComboBox inherits NativeComboBox {
in property <[string]> model;
in-out property <int> current-index : -1;
out property has-focus <=> fs.has-focus;
enabled: true;
callback selected(string);
forward-focus: fs;
accessible-role: combobox;
accessible-value <=> root.current-value;
popup := PopupWindow {
x:0;
Rectangle { background: NativeStyleMetrics.window-background; }
NativeComboBoxPopup {
width: 100%;
height: 100%;
}
y: root.height;
width: root.width;
VerticalLayout {
spacing: 0px;
for value[i] in root.model: NativeStandardListViewItem {
item: { text: value };
is-selected: root.current-index == i;
has-hover: ta.has-hover;
ta := TouchArea {
clicked => {
if (root.enabled) {
root.current-index = i;
root.current-value = value;
root.selected(root.current-value);
}
//is-open = false;
}
}
}
}
}
fs := FocusScope {
key-pressed(event) => {
if (event.text == Key.UpArrow) {
root.current-index = Math.max(root.current-index - 1, 0);
root.current-value = root.model[root.current-index];
return accept;
} else if (event.text == Key.DownArrow) {
root.current-index = Math.min(root.current-index + 1, root.model.length - 1);
root.current-value = root.model[root.current-index];
return accept;
// PopupWindow can not get hidden again at this time, so do not allow to pop that up.
// } else if (event.text == Key.Return) {
// touch.clicked()
// return accept;
}
return reject;
}
touch := TouchArea {
enabled <=> root.enabled;
clicked => {
root.focus();
popup.show();
}
}
}
}
export component TabWidgetImpl inherits NativeTabWidget { }
export component TabImpl inherits NativeTab {
accessible-role: tab;
accessible-label <=> root.title;
}
export component TabBarImpl {
// injected properties:
in-out property<int> current; // The currently selected tab
in-out property<int> current-focused: fs.has-focus ? root.current : -1; // The currently focused tab
in-out property<int> num-tabs; // The total number of tabs
accessible-role: tab;
accessible-delegate-focus: root.current;
Rectangle {
clip: true; // The breeze style draws outside of the tab bar, which is clip by default with Qt
HorizontalLayout {
spacing: 0px; // Qt renders Tabs next to each other and renders "spacing" as part of the tab itself
alignment: NativeStyleMetrics.tab-bar-alignment;
@children
}
}
fs := FocusScope {
x:0;
width: 0px; // Do not react on clicks
key-pressed(event) => {
if (event.text == Key.LeftArrow) {
root.current = Math.max(root.current - 1, 0);
return accept;
}
if (event.text == Key.RightArrow) {
root.current = Math.min(root.current + 1, root.num-tabs - 1);
return accept;
}
return reject;
}
}
}
export component TabWidget inherits TabWidget {}
export component VerticalBox inherits VerticalLayout {
spacing: NativeStyleMetrics.layout-spacing;
padding: NativeStyleMetrics.layout-spacing;
}
export component HorizontalBox inherits HorizontalLayout {
spacing: NativeStyleMetrics.layout-spacing;
padding: NativeStyleMetrics.layout-spacing;
}
export component GridBox inherits GridLayout {
spacing: NativeStyleMetrics.layout-spacing;
padding: NativeStyleMetrics.layout-spacing;
}
export component StandardTableView {
callback sort-ascending(int);
callback sort-descending(int);
out property <int> current-sort-column: -1;
in-out property <[TableColumn]> columns;
in property <[[StandardListViewItem]]> rows;
horizontal-stretch: 1;
vertical-stretch: 1;
function sort(index: int) {
if (current-sort-column != index) {
columns[current-sort-column].sort-order = SortOrder.unsorted;
}
if(columns[index].sort-order == SortOrder.ascending) {
columns[index].sort-order = SortOrder.descending;
sort-descending(index);
} else {
columns[index].sort-order = SortOrder.ascending;
sort-ascending(index);
}
current-sort-column = index;
}
scroll-view := NativeScrollView {
vertical-max: fli.viewport-height > fli.height ? fli.viewport-height - fli.height : 0phx;
vertical-page-size: fli.height;
horizontal-max: fli.viewport-width > fli.width ? fli.viewport-width - fli.width : 0phx;
horizontal-page-size: fli.width;
fli := Flickable {
x: scroll-view.native-padding-left;
width: scroll-view.width - scroll-view.native-padding-left - scroll-view.native-padding-right;
y: scroll-view.native-padding-top + header.height;
height: scroll-view.height - self.y - scroll-view.native-padding-bottom;
interactive: false;
viewport-y <=> scroll-view.vertical-value;
viewport-x <=> scroll-view.horizontal-value;
VerticalLayout {
alignment: start;
for row[i] in rows : Rectangle {
width: max(row-layout.preferred-width, fli.width);
row-ta := TouchArea {}
row-layout := HorizontalLayout {
for cell[index] in row : Rectangle {
horizontal-stretch: columns[index].horizontal-stretch;
min-width: max(columns[index].min-width, columns[index].width);
preferred-width: self.min-width;
max-width: (index < columns.length && columns[index].width >= 1px) ? max(columns[index].min-width, columns[index].width) : 100000px;
HorizontalLayout {
NativeStandardListViewItem {
item: cell;
index: i;
//is-selected: root.current-item == i;
has-hover: row-ta.has-hover;
}
}
}
}
}
}
}
}
header := Rectangle {
clip: true;
height: header-layout.preferred-height;
x: scroll-view.native-padding-left;
y: scroll-view.native-padding-top;
width: fli.width;
header-layout := HorizontalLayout {
width: max(self.preferred-width, parent.width);
x: fli.viewport-x;
for column[index] in columns : NativeTableHeaderSection {
item: column;
horizontal-stretch: column.horizontal-stretch;
min-width: max(column.min-width, column.width);
preferred-width: self.min-width;
max-width: (index < columns.length && column.width >= 1px) ? max(column.min-width, column.width) : 100000px;
TouchArea {
clicked => {
sort(index);
}
}
TouchArea {
width: 10px;
x: parent.width - self.width / 2;
moved => {
if (self.pressed) {
column.width = max(1px, parent.width + (self.mouse-x - self.pressed-x));
}
}
mouse-cursor: ew-resize;
}
}
}
}
}