diff options
Diffstat (limited to 'lib/astal/gtk3/src/widget')
-rw-r--r-- | lib/astal/gtk3/src/widget/box.vala | 53 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/button.vala | 111 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/centerbox.vala | 55 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/circularprogress.vala | 206 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/eventbox.vala | 73 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/icon.vala | 115 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/label.vala | 24 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/levelbar.vala | 16 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/overlay.vala | 65 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/scrollable.vala | 48 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/slider.vala | 94 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/stack.vala | 40 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/widget.vala | 157 | ||||
-rw-r--r-- | lib/astal/gtk3/src/widget/window.vala | 293 |
14 files changed, 1350 insertions, 0 deletions
diff --git a/lib/astal/gtk3/src/widget/box.vala b/lib/astal/gtk3/src/widget/box.vala new file mode 100644 index 0000000..d049161 --- /dev/null +++ b/lib/astal/gtk3/src/widget/box.vala @@ -0,0 +1,53 @@ +public class Astal.Box : Gtk.Box { + /** + * Corresponds to [[email protected] :orientation]. + */ + [CCode (notify = false)] + public bool vertical { + get { return orientation == Gtk.Orientation.VERTICAL; } + set { orientation = value ? Gtk.Orientation.VERTICAL : Gtk.Orientation.HORIZONTAL; } + } + + public List<weak Gtk.Widget> children { + set { _set_children(value); } + owned get { return get_children(); } + } + + public new Gtk.Widget child { + owned get { return _get_child(); } + set { _set_child(value); } + } + + construct { + notify["orientation"].connect(() => { + notify_property("vertical"); + }); + } + + private void _set_child(Gtk.Widget child) { + var list = new List<weak Gtk.Widget>(); + list.append(child); + _set_children(list); + } + + private Gtk.Widget? _get_child() { + foreach(var child in get_children()) + return child; + + return null; + } + + private void _set_children(List<weak Gtk.Widget> arr) { + foreach(var child in get_children()) { + remove(child); + } + + foreach(var child in arr) + add(child); + } + + public Box(bool vertical, List<weak Gtk.Widget> children) { + this.vertical = vertical; + _set_children(children); + } +} diff --git a/lib/astal/gtk3/src/widget/button.vala b/lib/astal/gtk3/src/widget/button.vala new file mode 100644 index 0000000..2d3095a --- /dev/null +++ b/lib/astal/gtk3/src/widget/button.vala @@ -0,0 +1,111 @@ +/** + * This button has no extra functionality on top if its base [[email protected]] class. + * + * The purpose of this Button subclass is to have a destructable + * struct as the argument in GJS event handlers. + */ +public class Astal.Button : Gtk.Button { + public signal void hover (HoverEvent event); + public signal void hover_lost (HoverEvent event); + public signal void click (ClickEvent event); + public signal void click_release (ClickEvent event); + public signal void scroll (ScrollEvent event); + + construct { + add_events(Gdk.EventMask.SCROLL_MASK); + add_events(Gdk.EventMask.SMOOTH_SCROLL_MASK); + + enter_notify_event.connect((self, event) => { + hover(HoverEvent(event) { lost = false }); + }); + + leave_notify_event.connect((self, event) => { + hover_lost(HoverEvent(event) { lost = true }); + }); + + button_press_event.connect((event) => { + click(ClickEvent(event) { release = false }); + }); + + button_release_event.connect((event) => { + click_release(ClickEvent(event) { release = true }); + }); + + scroll_event.connect((event) => { + scroll(ScrollEvent(event)); + }); + } +} + +public enum Astal.MouseButton { + PRIMARY = 1, + MIDDLE = 2, + SECONDARY = 3, + BACK = 4, + FORWARD = 5, +} + +/** + * Struct for [[email protected]] + */ +public struct Astal.ClickEvent { + bool release; + uint time; + double x; + double y; + Gdk.ModifierType modifier; + MouseButton button; + + public ClickEvent(Gdk.EventButton event) { + this.time = event.time; + this.x = event.x; + this.y = event.y; + this.button = (MouseButton)event.button; + this.modifier = event.state; + } +} + +/** + * Struct for [[email protected]] + */ +public struct Astal.HoverEvent { + bool lost; + uint time; + double x; + double y; + Gdk.ModifierType modifier; + Gdk.CrossingMode mode; + Gdk.NotifyType detail; + + public HoverEvent(Gdk.EventCrossing event) { + this.time = event.time; + this.x = event.x; + this.y = event.y; + this.modifier = event.state; + this.mode = event.mode; + this.detail = event.detail; + } +} + +/** + * Struct for [[email protected]] + */ +public struct Astal.ScrollEvent { + uint time; + double x; + double y; + Gdk.ModifierType modifier; + Gdk.ScrollDirection direction; + double delta_x; + double delta_y; + + public ScrollEvent(Gdk.EventScroll event) { + this.time = event.time; + this.x = event.x; + this.y = event.y; + this.modifier = event.state; + this.direction = event.direction; + this.delta_x = event.delta_x; + this.delta_y = event.delta_y; + } +} diff --git a/lib/astal/gtk3/src/widget/centerbox.vala b/lib/astal/gtk3/src/widget/centerbox.vala new file mode 100644 index 0000000..d74a2c4 --- /dev/null +++ b/lib/astal/gtk3/src/widget/centerbox.vala @@ -0,0 +1,55 @@ +public class Astal.CenterBox : Gtk.Box { + /** + * Corresponds to [[email protected] :orientation]. + */ + [CCode (notify = false)] + public bool vertical { + get { return orientation == Gtk.Orientation.VERTICAL; } + set { orientation = value ? Gtk.Orientation.VERTICAL : Gtk.Orientation.HORIZONTAL; } + } + + construct { + notify["orientation"].connect(() => { + notify_property("vertical"); + }); + } + + static construct { + set_css_name("centerbox"); + } + + private Gtk.Widget _start_widget; + public Gtk.Widget start_widget { + get { return _start_widget; } + set { + if (_start_widget != null) + remove(_start_widget); + + if (value != null) + pack_start(value, true, true, 0); + } + } + + private Gtk.Widget _end_widget; + public Gtk.Widget end_widget { + get { return _end_widget; } + set { + if (_end_widget != null) + remove(_end_widget); + + if (value != null) + pack_end(value, true, true, 0); + } + } + + public Gtk.Widget center_widget { + get { return get_center_widget(); } + set { + if (center_widget != null) + remove(center_widget); + + if (value != null) + set_center_widget(value); + } + } +} diff --git a/lib/astal/gtk3/src/widget/circularprogress.vala b/lib/astal/gtk3/src/widget/circularprogress.vala new file mode 100644 index 0000000..a3ecdf1 --- /dev/null +++ b/lib/astal/gtk3/src/widget/circularprogress.vala @@ -0,0 +1,206 @@ +/** + * CircularProgress is a subclass of [[email protected]] which provides a circular progress bar + * with customizable properties such as starting and ending points, + * progress value, and visual features like rounded ends and inversion of progress direction. + */ +public class Astal.CircularProgress : Gtk.Bin { + /** + * The starting point of the progress circle, + * where 0 represents 3 o'clock position or 0° degrees and 1 represents 360°. + */ + public double start_at { get; set; } + + /** + * The cutoff point of the background color of the progress circle. + */ + public double end_at { get; set; } + + /** + * The value which determines the arc of the drawn foreground color. + * Should be a value between 0 and 1. + */ + public double value { get; set; } + + /** + * Inverts the progress direction, making it draw counterclockwise. + */ + public bool inverted { get; set; } + + /** + * Renders rounded ends at both the start and the end of the progress bar. + */ + public bool rounded { get; set; } + + construct { + notify["start-at"].connect(queue_draw); + notify["end-at"].connect(queue_draw); + notify["value"].connect(queue_draw); + notify["inverted"].connect(queue_draw); + notify["rounded"].connect(queue_draw); + notify["child"].connect(queue_draw); + } + + static construct { + set_css_name("circular-progress"); + } + + public override void get_preferred_height(out int minh, out int nath) { + var val = get_style_context().get_property("min-height", Gtk.StateFlags.NORMAL); + if (val.get_int() <= 0) { + minh = 40; + nath = 40; + } + + minh = val.get_int(); + nath = val.get_int(); + } + + public override void get_preferred_width(out int minw, out int natw) { + var val = get_style_context().get_property("min-width", Gtk.StateFlags.NORMAL); + if (val.get_int() <= 0) { + minw = 40; + natw = 40; + } + + minw = val.get_int(); + natw = val.get_int(); + } + + private double to_radian(double percentage) { + percentage = Math.floor(percentage * 100); + return (percentage / 100) * (2 * Math.PI); + } + + private bool is_full_circle(double start, double end, double epsilon = 1e-10) { + // Ensure that start and end are between 0 and 1 + start = (start % 1 + 1) % 1; + end = (end % 1 + 1) % 1; + + // Check if the difference between start and end is close to 1 + return Math.fabs(start - end) <= epsilon; + } + + private double scale_arc_value(double start, double end, double value) { + // Ensure that start and end are between 0 and 1 + start = (start % 1 + 1) % 1; + end = (end % 1 + 1) % 1; + + // Calculate the length of the arc + var arc_length = end - start; + if (arc_length < 0) + arc_length += 1; // Adjust for circular representation + + // Calculate the position on the arc based on the percentage value + var scaled = arc_length + value; + + // Ensure the position is between 0 and 1 + return (scaled % 1 + 1) % 1; + } + + private double min(double[] arr) { + double min = arr[0]; + foreach(var i in arr) + if (min > i) min = i; + return min; + } + + private double max(double[] arr) { + double max = arr[0]; + foreach(var i in arr) + if (max < i) max = i; + return max; + } + + public override bool draw(Cairo.Context cr) { + Gtk.Allocation allocation; + get_allocation(out allocation); + + var styles = get_style_context(); + var width = allocation.width; + var height = allocation.height; + var thickness = styles.get_property("font-size", Gtk.StateFlags.NORMAL).get_double(); + var margin = styles.get_margin(Gtk.StateFlags.NORMAL); + var fg = styles.get_color(Gtk.StateFlags.NORMAL); + var bg = styles.get_background_color(Gtk.StateFlags.NORMAL); + + var bg_stroke = thickness + min({margin.bottom, margin.top, margin.left, margin.right}); + var fg_stroke = thickness; + var radius = min({width, height}) / 2.0 - max({bg_stroke, fg_stroke}) / 2.0; + var center_x = width / 2; + var center_y = height / 2; + + var start_background = to_radian(start_at); + var end_background = to_radian(end_at); + var ranged_value = value + start_at; + + var is_circle = is_full_circle(this.start_at, this.end_at); + + if (is_circle) { + // Redefine end_draw in radius to create an accurate full circle + end_background = start_background + 2 * Math.PI; + ranged_value = to_radian(value); + } else { + // Range the value for the arc shape + ranged_value = to_radian(scale_arc_value( + start_at, + end_at, + value + )); + } + + double start_progress, end_progress; + + if (inverted) { + start_progress = end_background - ranged_value; + end_progress = end_background; + } else { + start_progress = start_background; + end_progress = start_background + ranged_value; + } + + // Draw background + cr.set_source_rgba(bg.red, bg.green, bg.blue, bg.alpha); + cr.arc(center_x, center_y, radius, start_background, end_background); + cr.set_line_width(bg_stroke); + cr.stroke(); + + // Draw rounded background ends + if (rounded) { + var start_x = center_x + Math.cos(start_background) * radius; + var start_y = center_y + Math.sin(start_background) * radius; + var end_x = center_x + Math.cos(end_background) * radius; + var end_y = center_y + Math.sin(end_background) * radius; + cr.set_line_width(0); + cr.arc(start_x, start_y, bg_stroke / 2, 0, 0 - 0.01); + cr.fill(); + cr.arc(end_x, end_y, bg_stroke / 2, 0, 0 - 0.01); + cr.fill(); + } + + // Draw progress + cr.set_source_rgba(fg.red, fg.green, fg.blue, fg.alpha); + cr.arc(center_x, center_y, radius, start_progress, end_progress); + cr.set_line_width(fg_stroke); + cr.stroke(); + + // Draw rounded progress ends + if (rounded) { + var start_x = center_x + Math.cos(start_progress) * radius; + var start_y = center_y + Math.sin(start_progress) * radius; + var end_x = center_x + Math.cos(end_progress) * radius; + var end_y = center_y + Math.sin(end_progress) * radius; + cr.set_line_width(0); + cr.arc(start_x, start_y, fg_stroke / 2, 0, 0 - 0.01); + cr.fill(); + cr.arc(end_x, end_y, fg_stroke / 2, 0, 0 - 0.01); + cr.fill(); + } + + if (get_child() != null) { + get_child().size_allocate(allocation); + propagate_draw(get_child(), cr); + } + + return true; + } +} diff --git a/lib/astal/gtk3/src/widget/eventbox.vala b/lib/astal/gtk3/src/widget/eventbox.vala new file mode 100644 index 0000000..0b588e9 --- /dev/null +++ b/lib/astal/gtk3/src/widget/eventbox.vala @@ -0,0 +1,73 @@ +/** + * EventBox is a [[email protected]] subclass which is meant to fix an issue with its + * [[email protected]::enter_notify_event] and [[email protected]::leave_notify_event] when nesting EventBoxes + * + * Its css selector is `eventbox`. + */ +public class Astal.EventBox : Gtk.EventBox { + public signal void hover (HoverEvent event); + public signal void hover_lost (HoverEvent event); + public signal void click (ClickEvent event); + public signal void click_release (ClickEvent event); + public signal void scroll (ScrollEvent event); + public signal void motion (MotionEvent event); + + static construct { + set_css_name("eventbox"); + } + + construct { + add_events(Gdk.EventMask.SCROLL_MASK); + add_events(Gdk.EventMask.SMOOTH_SCROLL_MASK); + add_events(Gdk.EventMask.POINTER_MOTION_MASK); + + enter_notify_event.connect((self, event) => { + if (event.window == self.get_window() && + event.detail != Gdk.NotifyType.INFERIOR) { + this.set_state_flags(Gtk.StateFlags.PRELIGHT, false); + hover(HoverEvent(event) { lost = false }); + } + }); + + leave_notify_event.connect((self, event) => { + if (event.window == self.get_window() && + event.detail != Gdk.NotifyType.INFERIOR) { + this.unset_state_flags(Gtk.StateFlags.PRELIGHT); + hover_lost(HoverEvent(event) { lost = true }); + } + }); + + button_press_event.connect((event) => { + click(ClickEvent(event) { release = false }); + }); + + button_release_event.connect((event) => { + click_release(ClickEvent(event) { release = true }); + }); + + scroll_event.connect((event) => { + scroll(ScrollEvent(event)); + }); + + motion_notify_event.connect((event) => { + motion(MotionEvent(event)); + }); + } +} + +/** + * Struct for [[email protected]] + */ +public struct Astal.MotionEvent { + uint time; + double x; + double y; + Gdk.ModifierType modifier; + + public MotionEvent(Gdk.EventMotion event) { + this.time = event.time; + this.x = event.x; + this.y = event.y; + this.modifier = event.state; + } +} diff --git a/lib/astal/gtk3/src/widget/icon.vala b/lib/astal/gtk3/src/widget/icon.vala new file mode 100644 index 0000000..9a20359 --- /dev/null +++ b/lib/astal/gtk3/src/widget/icon.vala @@ -0,0 +1,115 @@ +/** + * [[email protected]] subclass meant to be used only for icons. + * + * It's size is calculated from `font-size` css property. + * Its css selector is `icon`. + */ +public class Astal.Icon : Gtk.Image { + private IconType type = IconType.NAMED; + private double size { get; set; default = 14; } + + public new Gdk.Pixbuf pixbuf { get; set; } + public GLib.Icon g_icon { get; set; } + + /** + * Either a named icon or a path to a file. + */ + public string icon { get; set; default = ""; } + + public static Gtk.IconInfo? lookup_icon(string icon) { + var theme = Gtk.IconTheme.get_default(); + return theme.lookup_icon(icon, 16, Gtk.IconLookupFlags.USE_BUILTIN); + } + + private async void display_icon() { + switch(type) { + case IconType.NAMED: + icon_name = icon; + pixel_size = (int)size; + break; + case IconType.FILE: + try { + var file = File.new_for_path(icon); + var stream = yield file.read_async(); + var pb = yield new Gdk.Pixbuf.from_stream_at_scale_async( + stream, + (int)size * scale_factor, + (int)size * scale_factor, + true, + null + ); + var cs = Gdk.cairo_surface_create_from_pixbuf(pb, 0, this.get_window()); + set_from_surface(cs); + } catch (Error err) { + printerr(err.message); + } + break; + case IconType.PIXBUF: + var pb_scaled = pixbuf.scale_simple( + (int)size * scale_factor, + (int)size * scale_factor, + Gdk.InterpType.BILINEAR + ); + if (pb_scaled != null) { + var cs = Gdk.cairo_surface_create_from_pixbuf(pb_scaled, 0, this.get_window()); + set_from_surface(cs); + } + break; + case IconType.GICON: + pixel_size = (int)size; + gicon = g_icon; + break; + + } + } + + static construct { + set_css_name("icon"); + } + + construct { + notify["icon"].connect(() => { + if(FileUtils.test(icon, GLib.FileTest.EXISTS)) + type = IconType.FILE; + else if (lookup_icon(icon) != null) + type = IconType.NAMED; + else { + type = IconType.NAMED; + warning("cannot assign %s as icon, "+ + "it is not a file nor a named icon", icon); + } + display_icon.begin(); + }); + + notify["pixbuf"].connect(() => { + type = IconType.PIXBUF; + display_icon.begin(); + }); + + notify["g-icon"].connect(() => { + type = IconType.GICON; + display_icon.begin(); + }); + + size_allocate.connect(() => { + size = get_style_context() + .get_property("font-size", Gtk.StateFlags.NORMAL).get_double(); + + display_icon.begin(); + }); + + get_style_context().changed.connect(() => { + size = get_style_context() + .get_property("font-size", Gtk.StateFlags.NORMAL).get_double(); + + display_icon.begin(); + }); + } +} + +private enum Astal.IconType { + NAMED, + FILE, + PIXBUF, + GICON, +} diff --git a/lib/astal/gtk3/src/widget/label.vala b/lib/astal/gtk3/src/widget/label.vala new file mode 100644 index 0000000..899cba9 --- /dev/null +++ b/lib/astal/gtk3/src/widget/label.vala @@ -0,0 +1,24 @@ +using Pango; + +public class Astal.Label : Gtk.Label { + /** + * Shortcut for setting [[email protected]:ellipsize] to [[email protected]] + */ + public bool truncate { + set { ellipsize = value ? EllipsizeMode.END : EllipsizeMode.NONE; } + get { return ellipsize == EllipsizeMode.END; } + } + + /** + * Shortcut for setting [[email protected]:justify] to [[email protected]] + */ + public new bool justify_fill { + set { justify = value ? Gtk.Justification.FILL : Gtk.Justification.LEFT; } + get { return justify == Gtk.Justification.FILL; } + } + + construct { + notify["ellipsize"].connect(() => notify_property("truncate")); + notify["justify"].connect(() => notify_property("justify_fill")); + } +} diff --git a/lib/astal/gtk3/src/widget/levelbar.vala b/lib/astal/gtk3/src/widget/levelbar.vala new file mode 100644 index 0000000..3e98afb --- /dev/null +++ b/lib/astal/gtk3/src/widget/levelbar.vala @@ -0,0 +1,16 @@ +public class Astal.LevelBar : Gtk.LevelBar { + /** + * Corresponds to [[email protected] :orientation]. + */ + [CCode (notify = false)] + public bool vertical { + get { return orientation == Gtk.Orientation.VERTICAL; } + set { orientation = value ? Gtk.Orientation.VERTICAL : Gtk.Orientation.HORIZONTAL; } + } + + construct { + notify["orientation"].connect(() => { + notify_property("vertical"); + }); + } +} diff --git a/lib/astal/gtk3/src/widget/overlay.vala b/lib/astal/gtk3/src/widget/overlay.vala new file mode 100644 index 0000000..ed5f03b --- /dev/null +++ b/lib/astal/gtk3/src/widget/overlay.vala @@ -0,0 +1,65 @@ +public class Astal.Overlay : Gtk.Overlay { + public bool pass_through { get; set; } + + /** + * First [[email protected]:overlays] element. + * + * WARNING: setting this value will remove every overlay but the first. + */ + public Gtk.Widget? overlay { + get { return overlays.nth_data(0); } + set { + foreach (var ch in get_children()) { + if (ch != child) + remove(ch); + } + + if (value != null) + add_overlay(value); + } + } + + /** + * Sets the overlays of this Overlay. [[email protected]_overlay]. + */ + public List<weak Gtk.Widget> overlays { + owned get { return get_children(); } + set { + foreach (var ch in get_children()) { + if (ch != child) + remove(ch); + } + + foreach (var ch in value) + add_overlay(ch); + } + } + + public new Gtk.Widget? child { + get { return get_child(); } + set { + var ch = get_child(); + if (ch != null) + remove(ch); + + if (value != null) + add(value); + } + } + + construct { + notify["pass-through"].connect(() => { + update_pass_through(); + }); + } + + private void update_pass_through() { + foreach (var child in get_children()) + set_overlay_pass_through(child, pass_through); + } + + public new void add_overlay(Gtk.Widget widget) { + base.add_overlay(widget); + set_overlay_pass_through(widget, pass_through); + } +} diff --git a/lib/astal/gtk3/src/widget/scrollable.vala b/lib/astal/gtk3/src/widget/scrollable.vala new file mode 100644 index 0000000..57a440c --- /dev/null +++ b/lib/astal/gtk3/src/widget/scrollable.vala @@ -0,0 +1,48 @@ +/** + * Subclass of [[email protected]] which has its policy default to + * [[email protected]]. + * + * Its css selector is `scrollable`. + * Its child getter returns the child of the inner + * [[email protected]], instead of the viewport. + */ +public class Astal.Scrollable : Gtk.ScrolledWindow { + private Gtk.PolicyType _hscroll = Gtk.PolicyType.AUTOMATIC; + private Gtk.PolicyType _vscroll = Gtk.PolicyType.AUTOMATIC; + + public Gtk.PolicyType hscroll { + get { return _hscroll; } + set { + _hscroll = value; + set_policy(value, vscroll); + } + } + + public Gtk.PolicyType vscroll { + get { return _vscroll; } + set { + _vscroll = value; + set_policy(hscroll, value); + } + } + + static construct { + set_css_name("scrollable"); + } + + construct { + if (hadjustment != null) + hadjustment = new Gtk.Adjustment(0,0,0,0,0,0); + + if (vadjustment != null) + vadjustment = new Gtk.Adjustment(0,0,0,0,0,0); + } + + public new Gtk.Widget get_child() { + var ch = base.get_child(); + if (ch is Gtk.Viewport) { + return ch.get_child(); + } + return ch; + } +} diff --git a/lib/astal/gtk3/src/widget/slider.vala b/lib/astal/gtk3/src/widget/slider.vala new file mode 100644 index 0000000..97cfb69 --- /dev/null +++ b/lib/astal/gtk3/src/widget/slider.vala @@ -0,0 +1,94 @@ +/** + * Subclass of [[email protected]] which adds a signal and property for the drag state. + */ +public class Astal.Slider : Gtk.Scale { + /** + * Corresponds to [[email protected] :orientation]. + */ + [CCode (notify = false)] + public bool vertical { + get { return orientation == Gtk.Orientation.VERTICAL; } + set { orientation = value ? Gtk.Orientation.VERTICAL : Gtk.Orientation.HORIZONTAL; } + } + + /** + * Emitted when the user drags the slider or uses keyboard arrows and its value changes. + */ + public signal void dragged(); + + construct { + draw_value = false; + + if (adjustment == null) + adjustment = new Gtk.Adjustment(0,0,0,0,0,0); + + if (max == 0 && min == 0) { + max = 1; + } + + if (step == 0) { + step = 0.05; + } + + notify["orientation"].connect(() => { + notify_property("vertical"); + }); + + button_press_event.connect(() => { dragging = true; }); + key_press_event.connect(() => { dragging = true; }); + button_release_event.connect(() => { dragging = false; }); + key_release_event.connect(() => { dragging = false; }); + scroll_event.connect((event) => { + dragging = true; + if (event.delta_y > 0) + value -= step; + else + value += step; + dragging = false; + }); + + value_changed.connect(() => { + if (dragging) + dragged(); + }); + } + + /** + * `true` when the user drags the slider or uses keyboard arrows. + */ + public bool dragging { get; private set; } + + /** + * Value of this slider. Defaults to `0`. + */ + public double value { + get { return adjustment.value; } + set { if (!dragging) adjustment.value = value; } + } + + /** + * Minimum possible value of this slider. Defaults to `0`. + */ + public double min { + get { return adjustment.lower; } + set { adjustment.lower = value; } + } + + /** + * Maximum possible value of this slider. Defaults to `1`. + */ + public double max { + get { return adjustment.upper; } + set { adjustment.upper = value; } + } + + /** + * Size of step increments. Defaults to `0.05`. + */ + public double step { + get { return adjustment.step_increment; } + set { adjustment.step_increment = value; } + } + + // TODO: marks +} diff --git a/lib/astal/gtk3/src/widget/stack.vala b/lib/astal/gtk3/src/widget/stack.vala new file mode 100644 index 0000000..4e856a6 --- /dev/null +++ b/lib/astal/gtk3/src/widget/stack.vala @@ -0,0 +1,40 @@ +/** + * Subclass of [[email protected]] that has a children setter which + * invokes [[email protected]_named] with the child's [[email protected]:name] property. + */ +public class Astal.Stack : Gtk.Stack { + /** + * Same as [[email protected]:visible-child-name]. + */ + [CCode (notify = false)] + public string shown { + get { return visible_child_name; } + set { visible_child_name = value; } + } + + public List<weak Gtk.Widget> children { + set { _set_children(value); } + owned get { return get_children(); } + } + + private void _set_children(List<weak Gtk.Widget> arr) { + foreach(var child in get_children()) { + remove(child); + } + + var i = 0; + foreach(var child in arr) { + if (child.name != null) { + add_named(child, child.name); + } else { + add_named(child, (++i).to_string()); + } + } + } + + construct { + notify["visible_child_name"].connect(() => { + notify_property("shown"); + }); + } +} diff --git a/lib/astal/gtk3/src/widget/widget.vala b/lib/astal/gtk3/src/widget/widget.vala new file mode 100644 index 0000000..2506bc8 --- /dev/null +++ b/lib/astal/gtk3/src/widget/widget.vala @@ -0,0 +1,157 @@ +namespace Astal { +private class Css { + private static HashTable<Gtk.Widget, Gtk.CssProvider> _providers; + public static HashTable<Gtk.Widget, Gtk.CssProvider> providers { + get { + if (_providers == null) { + _providers = new HashTable<Gtk.Widget, Gtk.CssProvider>( + (w) => (uint)w, + (a, b) => a == b); + } + + return _providers; + } + } +} + +private void remove_provider(Gtk.Widget widget) { + var providers = Css.providers; + + if (providers.contains(widget)) { + var p = providers.get(widget); + widget.get_style_context().remove_provider(p); + providers.remove(widget); + p.dispose(); + } +} + +public void widget_set_css(Gtk.Widget widget, string css) { + var providers = Css.providers; + + if (providers.contains(widget)) { + remove_provider(widget); + } else { + widget.destroy.connect(() => { + remove_provider(widget); + }); + } + + var style = !css.contains("{") || !css.contains("}") + ? "* { ".concat(css, "}") : css; + + var p = new Gtk.CssProvider(); + widget.get_style_context() + .add_provider(p, Gtk.STYLE_PROVIDER_PRIORITY_USER); + + try { + p.load_from_data(style, style.length); + providers.set(widget, p); + } catch (Error err) { + warning(err.message); + } +} + +public string widget_get_css(Gtk.Widget widget) { + var providers = Css.providers; + + if (providers.contains(widget)) + return providers.get(widget).to_string(); + + return ""; +} + +public void widget_set_class_names(Gtk.Widget widget, string[] class_names) { + foreach (var name in widget_get_class_names(widget)) + widget_toggle_class_name(widget, name, false); + + foreach (var name in class_names) + widget_toggle_class_name(widget, name, true); +} + +public List<weak string> widget_get_class_names(Gtk.Widget widget) { + return widget.get_style_context().list_classes(); +} + +public void widget_toggle_class_name( + Gtk.Widget widget, + string class_name, + bool condition = true +) { + var c = widget.get_style_context(); + if (condition) + c.add_class(class_name); + else + c.remove_class(class_name); +} + +private class Cursor { + private static HashTable<Gtk.Widget, string> _cursors; + public static HashTable<Gtk.Widget, string> cursors { + get { + if (_cursors == null) { + _cursors = new HashTable<Gtk.Widget, string>( + (w) => (uint)w, + (a, b) => a == b); + } + return _cursors; + } + } +} + +private void widget_setup_cursor(Gtk.Widget widget) { + widget.add_events(Gdk.EventMask.ENTER_NOTIFY_MASK); + widget.add_events(Gdk.EventMask.LEAVE_NOTIFY_MASK); + widget.enter_notify_event.connect(() => { + widget.get_window().set_cursor( + new Gdk.Cursor.from_name( + Gdk.Display.get_default(), + Cursor.cursors.get(widget))); + return false; + }); + widget.leave_notify_event.connect(() => { + widget.get_window().set_cursor( + new Gdk.Cursor.from_name( + Gdk.Display.get_default(), + "default")); + return false; + }); + widget.destroy.connect(() => { + if (Cursor.cursors.contains(widget)) + Cursor.cursors.remove(widget); + }); +} + +public void widget_set_cursor(Gtk.Widget widget, string cursor) { + if (!Cursor.cursors.contains(widget)) + widget_setup_cursor(widget); + + Cursor.cursors.set(widget, cursor); +} + +public string widget_get_cursor(Gtk.Widget widget) { + return Cursor.cursors.get(widget); +} + +private class ClickThrough { + private static HashTable<Gtk.Widget, bool> _click_through; + public static HashTable<Gtk.Widget, bool> click_through { + get { + if (_click_through == null) { + _click_through = new HashTable<Gtk.Widget, bool>( + (w) => (uint)w, + (a, b) => a == b); + } + return _click_through; + } + } +} + +public void widget_set_click_through(Gtk.Widget widget, bool click_through) { + ClickThrough.click_through.set(widget, click_through); + widget.input_shape_combine_region(click_through ? new Cairo.Region() : null); +} + +public bool widget_get_click_through(Gtk.Widget widget) { + return ClickThrough.click_through.get(widget); +} +} diff --git a/lib/astal/gtk3/src/widget/window.vala b/lib/astal/gtk3/src/widget/window.vala new file mode 100644 index 0000000..9287200 --- /dev/null +++ b/lib/astal/gtk3/src/widget/window.vala @@ -0,0 +1,293 @@ +using GtkLayerShell; + +[Flags] +public enum Astal.WindowAnchor { + NONE, + TOP, + RIGHT, + LEFT, + BOTTOM, +} + +public enum Astal.Exclusivity { + NORMAL, + /** + * Request the compositor to allocate space for this window. + */ + EXCLUSIVE, + /** + * Request the compositor to stack layers on top of each other. + */ + IGNORE, +} + +public enum Astal.Layer { + BACKGROUND = 0, // GtkLayerShell.Layer.BACKGROUND + BOTTOM = 1, // GtkLayerShell.Layer.BOTTOM + TOP = 2, // GtkLayerShell.Layer.TOP + OVERLAY = 3, // GtkLayerShell.Layer.OVERLAY +} + +public enum Astal.Keymode { + /** + * Window should not receive keyboard events. + */ + NONE = 0, // GtkLayerShell.KeyboardMode.NONE + /** + * Window should have exclusive focus if it is on the top or overlay layer. + */ + EXCLUSIVE = 1, // GtkLayerShell.KeyboardMode.EXCLUSIVE + /** + * Focus and Unfocues the window as needed. + */ + ON_DEMAND = 2, // GtkLayerShell.KeyboardMode.ON_DEMAND +} + +/** + * Subclass of [[email protected]] which integrates GtkLayerShell as class fields. + */ +public class Astal.Window : Gtk.Window { + private static bool check(string action) { + if (!is_supported()) { + critical(@"can not $action on window: layer shell not supported"); + print("tip: running from an xwayland terminal can cause this, for example VsCode"); + return true; + } + return false; + } + + private InhibitManager? inhibit_manager; + private Inhibitor? inhibitor; + + construct { + if (check("initialize layer shell")) + return; + + // If the window has no size allocatoted when it gets mapped. + // It won't show up later either when it size changes by adding children. + height_request = 1; + width_request = 1; + + init_for_window(this); + inhibit_manager = InhibitManager.get_default(); + } + + /** + * When `true` it will permit inhibiting the idle behavior such as screen blanking, locking, and screensaving. + */ + public bool inhibit { + set { + if (inhibit_manager == null) { + return; + } + if (value && inhibitor == null) { + inhibitor = inhibit_manager.inhibit(this); + } + else if (!value && inhibitor != null) { + inhibitor = null; + } + } + get { + return inhibitor != null; + } + } + + public override void show() { + base.show(); + if(inhibit) { + inhibitor = inhibit_manager.inhibit(this); + } + } + + /** + * Namespace of this window. This can be used to target the layer in compositor rules. + */ + public string namespace { + get { return get_namespace(this); } + set { set_namespace(this, value); } + } + + /** + * Edges to anchor the window to. + * + * If two perpendicular edges are anchored, the surface will be anchored to that corner. + * If two opposite edges are anchored, the window will be stretched across the screen in that direction. + */ + public WindowAnchor anchor { + set { + if (check("set anchor")) + return; + + set_anchor(this, Edge.TOP, WindowAnchor.TOP in value); + set_anchor(this, Edge.BOTTOM, WindowAnchor.BOTTOM in value); + set_anchor(this, Edge.LEFT, WindowAnchor.LEFT in value); + set_anchor(this, Edge.RIGHT, WindowAnchor.RIGHT in value); + } + get { + var a = WindowAnchor.NONE; + if (get_anchor(this, Edge.TOP)) + a = a | WindowAnchor.TOP; + + if (get_anchor(this, Edge.RIGHT)) + a = a | WindowAnchor.RIGHT; + + if (get_anchor(this, Edge.LEFT)) + a = a | WindowAnchor.LEFT; + + if (get_anchor(this, Edge.BOTTOM)) + a = a | WindowAnchor.BOTTOM; + + return a; + } + } + + /** + * Exclusivity of this window. + */ + public Exclusivity exclusivity { + set { + if (check("set exclusivity")) + return; + + switch (value) { + case Exclusivity.NORMAL: + set_exclusive_zone(this, 0); + break; + case Exclusivity.EXCLUSIVE: + auto_exclusive_zone_enable(this); + break; + case Exclusivity.IGNORE: + set_exclusive_zone(this, -1); + break; + } + } + get { + if (auto_exclusive_zone_is_enabled(this)) + return Exclusivity.EXCLUSIVE; + + if (get_exclusive_zone(this) == -1) + return Exclusivity.IGNORE; + + return Exclusivity.NORMAL; + } + } + + /** + * Which layer to appear this window on. + */ + public Layer layer { + get { return (Layer)get_layer(this); } + set { + if (check("set layer")) + return; + + set_layer(this, (GtkLayerShell.Layer)value); + } + } + + /** + * Keyboard mode of this window. + */ + public Keymode keymode { + get { return (Keymode)get_keyboard_mode(this); } + set { + if (check("set keymode")) + return; + + set_keyboard_mode(this, (GtkLayerShell.KeyboardMode)value); + } + } + + /** + * Which monitor to appear this window on. + */ + public Gdk.Monitor gdkmonitor { + get { return get_monitor(this); } + set { + if (check("set gdkmonitor")) + return; + + set_monitor (this, value); + } + } + + public new int margin_top { + get { return GtkLayerShell.get_margin(this, Edge.TOP); } + set { + if (check("set margin_top")) + return; + + GtkLayerShell.set_margin(this, Edge.TOP, value); + } + } + + public new int margin_bottom { + get { return GtkLayerShell.get_margin(this, Edge.BOTTOM); } + set { + if (check("set margin_bottom")) + return; + + GtkLayerShell.set_margin(this, Edge.BOTTOM, value); + } + } + + public new int margin_left { + get { return GtkLayerShell.get_margin(this, Edge.LEFT); } + set { + if (check("set margin_left")) + return; + + GtkLayerShell.set_margin(this, Edge.LEFT, value); + } + } + + public new int margin_right { + get { return GtkLayerShell.get_margin(this, Edge.RIGHT); } + set { + if (check("set margin_right")) + return; + + GtkLayerShell.set_margin(this, Edge.RIGHT, value); + } + } + + public new int margin { + set { + if (check("set margin")) + return; + + margin_top = value; + margin_right = value; + margin_bottom = value; + margin_left = value; + } + } + + /** + * Which monitor to appear this window on. + * + * CAUTION: the id might not be the same mapped by the compositor. + */ + public int monitor { + set { + if (check("set monitor")) + return; + + if (value < 0) + set_monitor(this, (Gdk.Monitor)null); + + var m = Gdk.Display.get_default().get_monitor(value); + set_monitor(this, m); + } + get { + var m = get_monitor(this); + var d = Gdk.Display.get_default(); + for (var i = 0; i < d.get_n_monitors(); ++i) { + if (m == d.get_monitor(i)) + return i; + } + + return -1; + } + } +} |