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eye-tracker-overlay
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Code Issues Releases Activity

Add preliminary opengl widget

This commit is contained in:
Jakob 2019-09-07 01:09:17 +02:00
parent da721d13f4
commit a1d1f93843
1 changed files with 32 additions and 6 deletions
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38
transparent.py
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@ -6,6 +6,7 @@ import gi
gi.require_version("Gtk", "3.0") gi.require_version("Gtk", "3.0")
from gi.repository import Gtk # noqa from gi.repository import Gtk # noqa
import cairo # noqa import cairo # noqa
from OpenGL.GL import glClearColor, glClear, glFlush, GL_COLOR_BUFFER_BIT
class TestWin(Gtk.Window): class TestWin(Gtk.Window):
@ -15,10 +16,18 @@ class TestWin(Gtk.Window):
Gtk.Window.__init__(self, type=self.WINDOW_POPUP) Gtk.Window.__init__(self, type=self.WINDOW_POPUP)
self._default_monitor = 0 self._default_monitor = 0
self.make_fullscreen() self.set_window_geometry()
self.label = Gtk.Label(label="Hallo! :)")
self.label.show() self.layout = Gtk.Box()
self.add(self.label) self.layout.show()
self.add(self.layout)
self.gl = Gtk.GLArea()
self.gl.connect("render", self.gl_render)
self.gl.connect("realize", self.gl_realize)
# self.gl.connect('create-context', self.gl_context)
self.gl.show()
self.layout.pack_end(self.gl, True, True, 0)
self.make_rgba() self.make_rgba()
self.set_app_paintable(True) self.set_app_paintable(True)
@ -38,7 +47,7 @@ class TestWin(Gtk.Window):
else: else:
self.set_visual(self.visual) self.set_visual(self.visual)
def make_fullscreen(self): def set_window_geometry(self):
geo = self.get_screen_size(self._default_monitor) geo = self.get_screen_size(self._default_monitor)
scale = (1.05, 6) scale = (1.05, 6)
x, y, w, h = ( x, y, w, h = (
@ -57,7 +66,7 @@ class TestWin(Gtk.Window):
def on_draw(self, widget, cr): def on_draw(self, widget, cr):
# make everything transparent # make everything transparent
cr.set_source_rgba(1.0, 1.0, 1.0, 0.1) cr.set_source_rgba(1.0, 1.0, 1.0, 0.1)
cr.set_operator(cairo.OPERATOR_SOURCE) # cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint() cr.paint()
cr.set_operator(cairo.OPERATOR_OVER) cr.set_operator(cairo.OPERATOR_OVER)
@ -72,6 +81,23 @@ class TestWin(Gtk.Window):
def make_untouchable(self): def make_untouchable(self):
self.input_shape_combine_region(cairo.Region(cairo.RectangleInt(0, 0, 0, 0))) self.input_shape_combine_region(cairo.Region(cairo.RectangleInt(0, 0, 0, 0)))
def gl_realize(self, gl_area):
error = gl_area.get_error()
if error != None:
print(f"ERROR: No OpenGL ({error})")
def gl_context(self, gl_area):
c = gl_area.get_context()
print(c, "context")
return c
def gl_render(self, area, context):
glClearColor(1.0, 0.5, 0.5, 1.0)
glClear(GL_COLOR_BUFFER_BIT)
glFlush()
print("rendering... done")
return True
def run(self): def run(self):
Gtk.main() Gtk.main()
return 0 return 0