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https://gitlab.gnome.org/GNOME/gtk.git
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7f2648a013
Amend LD_PRELOAD instead of replacing it, so you can just point it at the right libgtk-4.so while running squares.py from elsewhere.
62 lines
1.6 KiB
Python
Executable File
62 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env -S GI_TYPELIB_PATH=${PWD}/build/gtk:${GI_TYPELIB_PATH} LD_PRELOAD=${LD_PRELOAD}:${PWD}/build/gtk/libgtk-4.so python3
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import gi
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gi.require_version('Gdk', '4.0')
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gi.require_version('Gtk', '4.0')
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from gi.repository import Gdk
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from gi.repository import Gtk
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from gi.repository import Graphene
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class DemoWidget(Gtk.Widget):
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__gtype_name__ = "DemoWidget"
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def __init__(self):
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super().__init__()
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def do_measure(self, orientation, for_size: int):
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# We need some space to draw
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return 100, 200, -1, -1
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def do_snapshot(self, snapshot):
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# Draw four color squares
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color = Gdk.RGBA()
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rect = Graphene.Rect.alloc()
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width = self.get_width() / 2
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height = self.get_height() / 2
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Gdk.RGBA.parse(color, "red")
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rect.init(0, 0, width, height)
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snapshot.append_color(color, rect)
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Gdk.RGBA.parse(color, "green")
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rect.init(width, 0, width, height)
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snapshot.append_color(color, rect)
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Gdk.RGBA.parse(color, "yellow")
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rect.init(0, height, width, height)
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snapshot.append_color(color, rect)
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Gdk.RGBA.parse(color, "blue")
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rect.init(width, height, width, height)
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snapshot.append_color(color, rect)
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def on_activate(app):
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# Create a new window
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win = Gtk.ApplicationWindow(application=app)
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win.set_title("Squares")
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icon = DemoWidget()
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win.set_child(icon)
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win.present()
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# Create a new application
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app = Gtk.Application(application_id='org.gtk.exampleapp')
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app.connect('activate', on_activate)
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# Run the application
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app.run(None)
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