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gtk: set cursor to ibeam over terminal surface

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This commit is contained in:
Mitchell Hashimoto
2023-02-23 17:24:18 -08:00
parent 916f07d9d3
commit e4b76b5974
1 changed files with 19 additions and 0 deletions
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19
src/apprt/gtk.zig
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@ -30,9 +30,13 @@ pub const App = struct {
};
core_app: *CoreApp,
app: *c.GtkApplication,
ctx: *c.GMainContext,
cursor_default: *c.GdkCursor,
cursor_ibeam: *c.GdkCursor,
pub fn init(core_app: *CoreApp, opts: Options) !App {
// This is super weird, but we still use GLFW with GTK only so that
// we can tap into their folklore logic to get screen DPI. If we can
@ -81,10 +85,18 @@ pub const App = struct {
// https://gitlab.gnome.org/GNOME/glib/-/blob/bd2ccc2f69ecfd78ca3f34ab59e42e2b462bad65/gio/gapplication.c#L2302
c.g_application_activate(gapp);
// Get our cursors
const cursor_default = c.gdk_cursor_new_from_name("default", null).?;
errdefer c.g_object_unref(cursor_default);
const cursor_ibeam = c.gdk_cursor_new_from_name("text", cursor_default).?;
errdefer c.g_object_unref(cursor_ibeam);
return .{
.core_app = core_app,
.app = app,
.ctx = ctx,
.cursor_default = cursor_default,
.cursor_ibeam = cursor_ibeam,
};
}
@ -95,6 +107,10 @@ pub const App = struct {
while (c.g_main_context_iteration(self.ctx, 0) != 0) {}
c.g_main_context_release(self.ctx);
c.g_object_unref(self.app);
c.g_object_unref(self.cursor_ibeam);
c.g_object_unref(self.cursor_default);
glfw.terminate();
}
@ -251,6 +267,9 @@ pub const Surface = struct {
c.gtk_widget_set_focusable(widget, 1);
c.gtk_widget_set_focus_on_click(widget, 1);
// When we're over the widget, set the cursor to the ibeam
c.gtk_widget_set_cursor(widget, app.cursor_ibeam);
// Build our result
self.* = .{
.app = app,