mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-07-14 15:56:13 +03:00
move resize overlay code to a new file to keep the file size down
This commit is contained in:
Jeffrey C. Ollie
162
src/apprt/gtk/ResizeOverlay.zig
Normal file
162
src/apprt/gtk/ResizeOverlay.zig
Normal file
@ -0,0 +1,162 @@
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const std = @import("std");
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const c = @import("c.zig");
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const configpkg = @import("../../config.zig");
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const Surface = @import("Surface.zig");
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const log = std.log.scoped(.gtk);
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/// Back reference to the surface we belong to
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surface: ?*Surface = null,
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/// If non-null this is the widget on the overlay that shows the size of the
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/// surface when it is resized.
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widget: ?*c.GtkWidget = null,
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/// If non-null this is a timer for dismissing the resize overlay.
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timer: ?c.guint = null,
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/// If non-null this is a timer for dismissing the resize overlay.
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idler: ?c.guint = null,
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/// If true, the next resize event will be the first one.
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first: bool = true,
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/// If we're configured to do so, create a label widget for displaying the size
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/// of the surface during a resize event.
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pub fn init(surface: *Surface, config: *configpkg.Config, overlay: *c.GtkOverlay) @This() {
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// At this point the surface object has been _created_ but not
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// _initialized_ so we can't use any information from it.
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if (config.@"resize-overlay" == .never) return .{};
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const widget = c.gtk_label_new("");
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c.gtk_widget_add_css_class(widget, "view");
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c.gtk_widget_add_css_class(widget, "size-overlay");
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c.gtk_widget_add_css_class(widget, "hidden");
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c.gtk_widget_set_visible(widget, c.FALSE);
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c.gtk_widget_set_focusable(widget, c.FALSE);
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c.gtk_widget_set_can_target(widget, c.FALSE);
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c.gtk_label_set_justify(@ptrCast(widget), c.GTK_JUSTIFY_CENTER);
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c.gtk_label_set_selectable(@ptrCast(widget), c.FALSE);
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setOverlayWidgetPosition(widget, config);
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c.gtk_overlay_add_overlay(overlay, widget);
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return .{ .surface = surface, .widget = widget };
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}
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pub fn deinit(self: *@This()) void {
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if (self.idler) |idler| {
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if (c.g_source_remove(idler) == c.FALSE) {
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log.warn("unable to remove resize overlay idler", .{});
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}
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self.idler = null;
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}
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if (self.timer) |timer| {
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if (c.g_source_remove(timer) == c.FALSE) {
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log.warn("unable to remove resize overlay timer", .{});
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}
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self.timer = null;
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}
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}
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/// If we're configured to do so, update the text in the resize overlay widget
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/// and make it visible. Schedule a timer to hide the widget after the delay
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/// expires.
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pub fn maybeShowResizeOverlay(self: *@This()) void {
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if (self.widget == null) return;
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const surface = self.surface orelse return;
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if (surface.app.config.@"resize-overlay" == .never) return;
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if (surface.app.config.@"resize-overlay" == .@"after-first" and self.first) {
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self.first = false;
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return;
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}
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self.first = false;
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// When updating a widget, do so from GTK's thread, but not if there's
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// already an update queued up.
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if (self.idler != null) return;
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self.idler = c.g_idle_add(gtkUpdateOverlayWidget, @ptrCast(self));
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}
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/// Actually update the overlay widget. This should only be called as an idle
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/// handler.
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fn gtkUpdateOverlayWidget(ud: ?*anyopaque) callconv(.C) c.gboolean {
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const self: *@This() = @ptrCast(@alignCast(ud));
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const widget = self.widget orelse return c.FALSE;
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const surface = self.surface orelse return c.FALSE;
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var buf: [32]u8 = undefined;
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const text = std.fmt.bufPrintZ(
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&buf,
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"{d}c ⨯ {d}r",
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.{
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surface.core_surface.grid_size.columns,
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surface.core_surface.grid_size.rows,
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},
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) catch |err| {
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log.err("unable to format text: {}", .{err});
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return c.FALSE;
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};
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c.gtk_label_set_text(@ptrCast(widget), text.ptr);
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c.gtk_widget_remove_css_class(@ptrCast(widget), "hidden");
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c.gtk_widget_set_visible(@ptrCast(widget), 1);
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setOverlayWidgetPosition(widget, &surface.app.config);
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if (self.timer) |timer| {
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if (c.g_source_remove(timer) == c.FALSE) {
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log.warn("unable to remove size overlay timer", .{});
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}
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}
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self.timer = c.g_timeout_add(
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surface.app.config.@"resize-overlay-duration".asMilliseconds(),
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gtkResizeOverlayTimerExpired,
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@ptrCast(self),
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);
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self.idler = null;
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return c.FALSE;
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}
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/// Update the position of the resize overlay widget. It might seem excessive to
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/// do this often, but it should make hot config reloading of the position work.
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fn setOverlayWidgetPosition(widget: *c.GtkWidget, config: *configpkg.Config) void {
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c.gtk_widget_set_halign(
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@ptrCast(widget),
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switch (config.@"resize-overlay-position") {
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.center, .@"top-center", .@"bottom-center" => c.GTK_ALIGN_CENTER,
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.@"top-left", .@"bottom-left" => c.GTK_ALIGN_START,
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.@"top-right", .@"bottom-right" => c.GTK_ALIGN_END,
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},
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);
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c.gtk_widget_set_valign(
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@ptrCast(widget),
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switch (config.@"resize-overlay-position") {
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.center => c.GTK_ALIGN_CENTER,
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.@"top-left", .@"top-center", .@"top-right" => c.GTK_ALIGN_START,
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.@"bottom-left", .@"bottom-center", .@"bottom-right" => c.GTK_ALIGN_END,
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},
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);
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}
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/// If this fires, it means that the delay period has expired and the resize
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/// overlay widget should be hidden.
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fn gtkResizeOverlayTimerExpired(ud: ?*anyopaque) callconv(.C) c.gboolean {
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const self: *@This() = @ptrCast(@alignCast(ud));
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if (self.widget) |widget| {
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c.gtk_widget_add_css_class(@ptrCast(widget), "hidden");
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c.gtk_widget_set_visible(@ptrCast(widget), c.FALSE);
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}
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self.timer = null;
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return c.FALSE;
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}
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@ -18,6 +18,7 @@ const Split = @import("Split.zig");
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const Tab = @import("Tab.zig");
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const Tab = @import("Tab.zig");
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const Window = @import("Window.zig");
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const Window = @import("Window.zig");
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const ClipboardConfirmationWindow = @import("ClipboardConfirmationWindow.zig");
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const ClipboardConfirmationWindow = @import("ClipboardConfirmationWindow.zig");
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const ResizeOverlay = @import("ResizeOverlay.zig");
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const inspector = @import("inspector.zig");
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const inspector = @import("inspector.zig");
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const gtk_key = @import("key.zig");
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const gtk_key = @import("key.zig");
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const c = @import("c.zig");
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const c = @import("c.zig");
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@ -1982,161 +1983,3 @@ fn translateMods(state: c.GdkModifierType) input.Mods {
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if (state & c.GDK_LOCK_MASK != 0) mods.caps_lock = true;
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if (state & c.GDK_LOCK_MASK != 0) mods.caps_lock = true;
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return mods;
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return mods;
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}
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}
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const ResizeOverlay = struct {
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/// Back reference to the surface we belong to
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surface: ?*Surface = null,
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/// If non-null this is the widget on the overlay that shows the size of the
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/// surface when it is resized.
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widget: ?*c.GtkWidget = null,
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/// If non-null this is a timer for dismissing the resize overlay.
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timer: ?c.guint = null,
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/// If non-null this is a timer for dismissing the resize overlay.
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idler: ?c.guint = null,
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/// If true, the next resize event will be the first one.
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first: bool = true,
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/// If we're configured to do so, create a label widget for displaying the size
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/// of the surface during a resize event.
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pub fn init(surface: *Surface, config: *configpkg.Config, overlay: *c.GtkOverlay) ResizeOverlay {
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// At this point the surface object has been _created_ but not
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// _initialized_ so we can't use any information from it.
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if (config.@"resize-overlay" == .never) return .{};
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const widget = c.gtk_label_new("");
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c.gtk_widget_add_css_class(widget, "view");
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c.gtk_widget_add_css_class(widget, "size-overlay");
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c.gtk_widget_add_css_class(widget, "hidden");
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c.gtk_widget_set_visible(widget, c.FALSE);
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c.gtk_widget_set_focusable(widget, c.FALSE);
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c.gtk_widget_set_can_target(widget, c.FALSE);
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c.gtk_label_set_justify(@ptrCast(widget), c.GTK_JUSTIFY_CENTER);
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c.gtk_label_set_selectable(@ptrCast(widget), c.FALSE);
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setOverlayWidgetPosition(widget, config);
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c.gtk_overlay_add_overlay(overlay, widget);
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return .{ .surface = surface, .widget = widget };
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}
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pub fn deinit(self: *@This()) void {
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if (self.idler) |idler| {
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if (c.g_source_remove(idler) == c.FALSE) {
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log.warn("unable to remove resize overlay idler", .{});
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}
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self.idler = null;
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}
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if (self.timer) |timer| {
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if (c.g_source_remove(timer) == c.FALSE) {
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log.warn("unable to remove resize overlay timer", .{});
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}
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self.timer = null;
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}
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}
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/// If we're configured to do so, update the text in the resize overlay widget
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/// and make it visible. Schedule a timer to hide the widget after the delay
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/// expires.
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pub fn maybeShowResizeOverlay(self: *@This()) void {
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if (self.widget == null) return;
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const surface = self.surface orelse return;
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if (surface.app.config.@"resize-overlay" == .never) return;
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if (surface.app.config.@"resize-overlay" == .@"after-first" and self.first) {
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self.first = false;
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return;
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}
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self.first = false;
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// When updating a widget, do so from GTK's thread, but not if there's
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// already an update queued up.
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if (self.idler != null) return;
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self.idler = c.g_idle_add(gtkUpdateOverlayWidget, @ptrCast(self));
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}
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/// Actually update the overlay widget. This should only be called as an idle
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/// handler.
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fn gtkUpdateOverlayWidget(ud: ?*anyopaque) callconv(.C) c.gboolean {
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const self: *@This() = @ptrCast(@alignCast(ud));
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const widget = self.widget orelse return c.FALSE;
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const surface = self.surface orelse return c.FALSE;
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var buf: [32]u8 = undefined;
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const text = std.fmt.bufPrintZ(
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&buf,
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"{d}c ⨯ {d}r",
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.{
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surface.core_surface.grid_size.columns,
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surface.core_surface.grid_size.rows,
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},
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) catch |err| {
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log.err("unable to format text: {}", .{err});
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return c.FALSE;
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};
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c.gtk_label_set_text(@ptrCast(widget), text.ptr);
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c.gtk_widget_remove_css_class(@ptrCast(widget), "hidden");
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c.gtk_widget_set_visible(@ptrCast(widget), 1);
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setOverlayWidgetPosition(widget, &surface.app.config);
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if (self.timer) |timer| {
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if (c.g_source_remove(timer) == c.FALSE) {
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log.warn("unable to remove size overlay timer", .{});
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}
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}
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self.timer = c.g_timeout_add(
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surface.app.config.@"resize-overlay-duration".asMilliseconds(),
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gtkResizeOverlayTimerExpired,
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@ptrCast(self),
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);
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self.idler = null;
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return c.FALSE;
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}
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/// Update the position of the resize overlay widget. It might seem excessive to
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|
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/// do this often, but it should make hot config reloading of the position work.
|
|
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fn setOverlayWidgetPosition(widget: *c.GtkWidget, config: *configpkg.Config) void {
|
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c.gtk_widget_set_halign(
|
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@ptrCast(widget),
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switch (config.@"resize-overlay-position") {
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.center, .@"top-center", .@"bottom-center" => c.GTK_ALIGN_CENTER,
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.@"top-left", .@"bottom-left" => c.GTK_ALIGN_START,
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.@"top-right", .@"bottom-right" => c.GTK_ALIGN_END,
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},
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);
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c.gtk_widget_set_valign(
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@ptrCast(widget),
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switch (config.@"resize-overlay-position") {
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.center => c.GTK_ALIGN_CENTER,
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.@"top-left", .@"top-center", .@"top-right" => c.GTK_ALIGN_START,
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.@"bottom-left", .@"bottom-center", .@"bottom-right" => c.GTK_ALIGN_END,
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},
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);
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}
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/// If this fires, it means that the delay period has expired and the resize
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|
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/// overlay widget should be hidden.
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fn gtkResizeOverlayTimerExpired(ud: ?*anyopaque) callconv(.C) c.gboolean {
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const self: *@This() = @ptrCast(@alignCast(ud));
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if (self.widget) |widget| {
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c.gtk_widget_add_css_class(@ptrCast(widget), "hidden");
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c.gtk_widget_set_visible(@ptrCast(widget), c.FALSE);
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}
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self.timer = null;
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return c.FALSE;
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}
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};
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