About ToaruOS applet (and star icon)

userspace/py/bin/about-applet.py

@@ -0,0 +1,98 @@
+#!/usr/bin/python3
+"""
+'About ToaruOS' applet
+"""
+import sys
+
+import cairo
+
+import yutani
+import text_region
+import toaru_fonts
+
+class AboutAppletWindow(yutani.Window):
+
+    base_width = 350
+    base_height = 250
+
+    text_offset = 110
+
+    def __init__(self, decorator):
+        super(AboutAppletWindow, self).__init__(self.base_width + decorator.width(), self.base_height + decorator.height(), title="About ToaruOS", icon="star", doublebuffer=True)
+        self.move(int((yutani.yutani_ctx._ptr.contents.display_width-self.width)/2),int((yutani.yutani_ctx._ptr.contents.display_height-self.height)/2))
+        self.decorator = decorator
+        self.logo = cairo.ImageSurface.create_from_png('/usr/share/logo_login.png')
+        self.font = toaru_fonts.Font(toaru_fonts.FONT_SANS_SERIF, 13, 0xFF000000)
+        self.tr = text_region.TextRegion(0,0,self.base_width-30,self.base_height-self.text_offset,font=self.font)
+        self.tr.set_alignment(2)
+        self.tr.set_richtext("<b>ToaruOS</b>\n© 2011-2017 Kevin Lange, et al.\n\nToaruOS is free software released under the NCSA/University of Illinois license.\n\n<color 0x0000FF>http://toaruos.org\nhttps://github.com/klange/toaruos</color>")
+
+    def draw(self):
+        surface = self.get_cairo_surface()
+
+        WIDTH, HEIGHT = self.width - self.decorator.width(), self.height - self.decorator.height()
+
+        ctx = cairo.Context(surface)
+        ctx.translate(self.decorator.left_width(), self.decorator.top_height())
+        ctx.rectangle(0,0,WIDTH,HEIGHT)
+        ctx.set_source_rgb(204/255,204/255,204/255)
+        ctx.fill()
+
+        ctx.set_source_surface(self.logo,(WIDTH-self.logo.get_width())/2,10)
+        ctx.paint()
+
+        self.tr.resize(WIDTH-30,HEIGHT-self.text_offset)
+        self.tr.move(self.decorator.left_width() + 15,self.decorator.top_height()+self.text_offset)
+        self.tr.draw(self)
+
+        self.decorator.render(self)
+
+    def finish_resize(self, msg):
+        """Accept a resize."""
+        self.resize_accept(msg.width, msg.height)
+        self.reinit()
+        self.int_width = msg.width - self.decorator.width()
+        self.int_height = msg.height - self.decorator.height()
+        self.draw()
+        self.resize_done()
+        self.flip()
+
+    def mouse_event(self, msg):
+        if d.handle_event(msg) == yutani.Decor.EVENT_CLOSE:
+            window.close()
+            sys.exit(0)
+        x,y = msg.new_x - self.decorator.left_width(), msg.new_y - self.decorator.top_height()
+        w,h = self.width - self.decorator.width(), self.height - self.decorator.height()
+
+    def keyboard_event(self, msg):
+        if msg.event.key == b"q":
+            self.close()
+            sys.exit(0)
+
+if __name__ == '__main__':
+    yutani.Yutani()
+    d = yutani.Decor()
+
+    window = AboutAppletWindow(d)
+    window.draw()
+    window.flip()
+
+    while 1:
+        # Poll for events.
+        msg = yutani.yutani_ctx.poll()
+        if msg.type == yutani.Message.MSG_SESSION_END:
+            window.close()
+            break
+        elif msg.type == yutani.Message.MSG_KEY_EVENT:
+            if msg.wid == window.wid:
+                window.keyboard_event(msg)
+        elif msg.type == yutani.Message.MSG_WINDOW_FOCUS_CHANGE:
+            if msg.wid == window.wid:
+                window.focused = msg.focused
+                window.draw()
+                window.flip()
+        elif msg.type == yutani.Message.MSG_RESIZE_OFFER:
+            window.finish_resize(msg)
+        elif msg.type == yutani.Message.MSG_WINDOW_MOUSE_EVENT:
+            if msg.wid == window.wid:
+                window.mouse_event(msg)